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-rw-r--r--deps/flac-1.3.2/src/libFLAC/Makefile.am135
-rw-r--r--deps/flac-1.3.2/src/libFLAC/Makefile.in1042
-rw-r--r--deps/flac-1.3.2/src/libFLAC/Makefile.lite110
-rw-r--r--deps/flac-1.3.2/src/libFLAC/bitmath.c73
-rw-r--r--deps/flac-1.3.2/src/libFLAC/bitreader.c1087
-rw-r--r--deps/flac-1.3.2/src/libFLAC/bitwriter.c881
-rw-r--r--deps/flac-1.3.2/src/libFLAC/cpu.c293
-rw-r--r--deps/flac-1.3.2/src/libFLAC/crc.c143
-rw-r--r--deps/flac-1.3.2/src/libFLAC/fixed.c395
-rw-r--r--deps/flac-1.3.2/src/libFLAC/fixed_intrin_sse2.c255
-rw-r--r--deps/flac-1.3.2/src/libFLAC/fixed_intrin_ssse3.c243
-rw-r--r--deps/flac-1.3.2/src/libFLAC/flac.pc.in12
-rw-r--r--deps/flac-1.3.2/src/libFLAC/float.c302
-rw-r--r--deps/flac-1.3.2/src/libFLAC/format.c589
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ia32/Makefile.am44
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ia32/Makefile.in640
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ia32/cpu_asm.nasm99
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ia32/fixed_asm.nasm309
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ia32/lpc_asm.nasm2049
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ia32/nasm.h90
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/Makefile.am32
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/Makefile.in691
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/Makefile.am53
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/Makefile.in601
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/all.h50
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/bitmath.h210
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/bitreader.h91
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/bitwriter.h104
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/cpu.h186
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/crc.h62
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/fixed.h107
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/float.h95
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/format.h45
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/lpc.h250
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/macros.h71
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/md5.h50
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/memory.h58
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/metadata.h46
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/ogg_decoder_aspect.h80
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/ogg_encoder_aspect.h63
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/ogg_helper.h44
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/ogg_mapping.h64
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder.h67
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder_framing.h46
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/private/window.h74
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.am35
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.in583
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/protected/all.h39
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/protected/stream_decoder.h60
-rw-r--r--deps/flac-1.3.2/src/libFLAC/include/protected/stream_encoder.h118
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC.m4118
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcproj550
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcxproj327
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcxproj.filters238
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC_static.vcproj523
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC_static.vcxproj287
-rw-r--r--deps/flac-1.3.2/src/libFLAC/libFLAC_static.vcxproj.filters238
-rw-r--r--deps/flac-1.3.2/src/libFLAC/lpc.c1357
-rw-r--r--deps/flac-1.3.2/src/libFLAC/lpc_intrin_avx2.c1122
-rw-r--r--deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse.c454
-rw-r--r--deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse2.c1090
-rw-r--r--deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse41.c1314
-rw-r--r--deps/flac-1.3.2/src/libFLAC/md5.c516
-rw-r--r--deps/flac-1.3.2/src/libFLAC/memory.c218
-rw-r--r--deps/flac-1.3.2/src/libFLAC/metadata_iterators.c3484
-rw-r--r--deps/flac-1.3.2/src/libFLAC/metadata_object.c1821
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ogg_decoder_aspect.c251
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ogg_encoder_aspect.c228
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ogg_helper.c210
-rw-r--r--deps/flac-1.3.2/src/libFLAC/ogg_mapping.c48
-rw-r--r--deps/flac-1.3.2/src/libFLAC/stream_decoder.c3400
-rw-r--r--deps/flac-1.3.2/src/libFLAC/stream_encoder.c4549
-rw-r--r--deps/flac-1.3.2/src/libFLAC/stream_encoder_framing.c554
-rw-r--r--deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_avx2.c146
-rw-r--r--deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_sse2.c159
-rw-r--r--deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_ssse3.c148
-rw-r--r--deps/flac-1.3.2/src/libFLAC/window.c282
-rw-r--r--deps/flac-1.3.2/src/libFLAC/windows_unicode_filenames.c214
78 files changed, 0 insertions, 36712 deletions
diff --git a/deps/flac-1.3.2/src/libFLAC/Makefile.am b/deps/flac-1.3.2/src/libFLAC/Makefile.am
deleted file mode 100644
index 863f7f9..0000000
--- a/deps/flac-1.3.2/src/libFLAC/Makefile.am
+++ /dev/null
@@ -1,135 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include
-lib_LTLIBRARIES = libFLAC.la
-noinst_LTLIBRARIES = libFLAC-static.la
-if DEBUG
-DEBUGCFLAGS = -DFLAC__OVERFLOW_DETECT
-endif
-
-# FIXME: The following logic should be part of configure, not of Makefile.am
-
-if FLaC__CPU_PPC
-if FLaC__SYS_DARWIN
-CPUCFLAGS = -faltivec
-else
-CPUCFLAGS =
-if FLaC__USE_ALTIVEC
-CPUCFLAGS += -maltivec -mabi=altivec
-endif
-endif
-endif
-
-AM_CFLAGS = $(DEBUGCFLAGS) $(CPUCFLAGS) @OGG_CFLAGS@
-
-if FLaC__NO_ASM
-else
-if FLaC__CPU_IA32
-if FLaC__HAS_NASM
-ARCH_SUBDIRS = ia32
-LOCAL_EXTRA_LIBADD = ia32/libFLAC-asm.la
-endif
-endif
-endif
-
-libFLAC_la_LIBADD = $(LOCAL_EXTRA_LIBADD) @OGG_LIBS@ -lm
-
-SUBDIRS = $(ARCH_SUBDIRS) include .
-
-m4datadir = $(datadir)/aclocal
-m4data_DATA = libFLAC.m4
-
-pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = flac.pc
-
-EXTRA_DIST = \
- Makefile.lite \
- flac.pc.in \
- libFLAC_dynamic.vcproj \
- libFLAC_dynamic.vcxproj \
- libFLAC_dynamic.vcxproj.filters \
- libFLAC_static.vcproj \
- libFLAC_static.vcxproj \
- libFLAC_static.vcxproj.filters \
- libFLAC.m4 \
- windows_unicode_filenames.c
-
-if OS_IS_WINDOWS
-windows_unicode_compat = windows_unicode_filenames.c
-endif
-
-if FLaC__HAS_OGG
-extra_ogg_sources = \
- ogg_decoder_aspect.c \
- ogg_encoder_aspect.c \
- ogg_helper.c \
- ogg_mapping.c
-endif
-
-# see 'http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning' for numbering convention
-libFLAC_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info 11:0:3 $(LOCAL_EXTRA_LDFLAGS)
-
-libFLAC_sources = \
- bitmath.c \
- bitreader.c \
- bitwriter.c \
- cpu.c \
- crc.c \
- fixed.c \
- fixed_intrin_sse2.c \
- fixed_intrin_ssse3.c \
- float.c \
- format.c \
- lpc.c \
- lpc_intrin_sse.c \
- lpc_intrin_sse2.c \
- lpc_intrin_sse41.c \
- lpc_intrin_avx2.c \
- md5.c \
- memory.c \
- metadata_iterators.c \
- metadata_object.c \
- stream_decoder.c \
- stream_encoder.c \
- stream_encoder_intrin_sse2.c \
- stream_encoder_intrin_ssse3.c \
- stream_encoder_intrin_avx2.c \
- stream_encoder_framing.c \
- window.c \
- $(windows_unicode_compat) \
- $(extra_ogg_sources)
-
-libFLAC_la_SOURCES = $(libFLAC_sources)
-
-# needed for test_libFLAC
-libFLAC_static_la_LIBADD = $(LOCAL_EXTRA_LIBADD)
-libFLAC_static_la_SOURCES = $(libFLAC_sources)
diff --git a/deps/flac-1.3.2/src/libFLAC/Makefile.in b/deps/flac-1.3.2/src/libFLAC/Makefile.in
deleted file mode 100644
index 36f6b48..0000000
--- a/deps/flac-1.3.2/src/libFLAC/Makefile.in
+++ /dev/null
@@ -1,1042 +0,0 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-VPATH = @srcdir@
-am__is_gnu_make = { \
- if test -z '$(MAKELEVEL)'; then \
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-am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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- cpu.c crc.c fixed.c fixed_intrin_sse2.c fixed_intrin_ssse3.c \
- float.c format.c lpc.c lpc_intrin_sse.c lpc_intrin_sse2.c \
- lpc_intrin_sse41.c lpc_intrin_avx2.c md5.c memory.c \
- metadata_iterators.c metadata_object.c stream_decoder.c \
- stream_encoder.c stream_encoder_intrin_sse2.c \
- stream_encoder_intrin_ssse3.c stream_encoder_intrin_avx2.c \
- stream_encoder_framing.c window.c windows_unicode_filenames.c \
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- ogg_mapping.c
-@OS_IS_WINDOWS_TRUE@am__objects_1 = windows_unicode_filenames.lo
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-am__objects_3 = bitmath.lo bitreader.lo bitwriter.lo cpu.lo crc.lo \
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diff --git a/deps/flac-1.3.2/src/libFLAC/Makefile.lite b/deps/flac-1.3.2/src/libFLAC/Makefile.lite
deleted file mode 100644
index aa3e175..0000000
--- a/deps/flac-1.3.2/src/libFLAC/Makefile.lite
+++ /dev/null
@@ -1,110 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#
-# GNU makefile
-#
-
-topdir = ../..
-
-ifeq ($(OS),Darwin)
- EXPLICIT_LIBS = $(OGG_EXPLICIT_LIBS) -lm
-else
- LIBS = $(OGG_LIBS) -lm
-endif
-
-ifeq ($(findstring Windows,$(OS)),Windows)
- WIN_UNICODE_COMPAT = windows_unicode_filenames.c
-endif
-
-LIB_NAME = libFLAC
-ifeq ($(PROC),ppc)
- DEFINES = -DFLAC__CPU_PPC -DFLAC__USE_ALTIVEC -DFLAC__ALIGN_MALLOC_DATA
-else
-ifeq ($(OS),Solaris)
- DEFINES = -DFLAC__NO_ASM -DFLAC__ALIGN_MALLOC_DATA
-else
-ifeq ($(PROC),i386)
- DEFINES = -DFLAC__CPU_IA32 -DFLAC__HAS_NASM -DFLAC__ALIGN_MALLOC_DATA
-else
- DEFINES = -DFLAC__ALIGN_MALLOC_DATA
-endif
-endif
-endif
-INCLUDES = -I./include -I$(topdir)/include $(OGG_INCLUDES)
-DEBUG_CFLAGS = -DFLAC__OVERFLOW_DETECT
-
-ifeq ($(PROC),i386)
-SRCS_NASM = \
- ia32/cpu_asm.nasm \
- ia32/fixed_asm.nasm \
- ia32/lpc_asm.nasm
-endif
-
-OGG_SRCS_C = \
- ogg_decoder_aspect.c \
- ogg_encoder_aspect.c \
- ogg_helper.c \
- ogg_mapping.c
-
-SRCS_C = \
- bitmath.c \
- bitreader.c \
- bitwriter.c \
- cpu.c \
- crc.c \
- fixed.c \
- fixed_intrin_sse2.c \
- fixed_intrin_ssse3.c \
- float.c \
- format.c \
- lpc.c \
- lpc_intrin_sse.c \
- lpc_intrin_sse2.c \
- lpc_intrin_sse41.c \
- lpc_intrin_avx2.c \
- md5.c \
- memory.c \
- metadata_iterators.c \
- metadata_object.c \
- stream_decoder.c \
- stream_encoder.c \
- stream_encoder_intrin_sse2.c \
- stream_encoder_intrin_ssse3.c \
- stream_encoder_intrin_avx2.c \
- stream_encoder_framing.c \
- window.c \
- $(WIN_UNICODE_COMPAT) \
- $(OGG_SRCS)
-
-include $(topdir)/build/lib.mk
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/deps/flac-1.3.2/src/libFLAC/bitmath.c b/deps/flac-1.3.2/src/libFLAC/bitmath.c
deleted file mode 100644
index b3d797d..0000000
--- a/deps/flac-1.3.2/src/libFLAC/bitmath.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/bitmath.h"
-
-/* An example of what FLAC__bitmath_silog2() computes:
- *
- * silog2(-10) = 5
- * silog2(- 9) = 5
- * silog2(- 8) = 4
- * silog2(- 7) = 4
- * silog2(- 6) = 4
- * silog2(- 5) = 4
- * silog2(- 4) = 3
- * silog2(- 3) = 3
- * silog2(- 2) = 2
- * silog2(- 1) = 2
- * silog2( 0) = 0
- * silog2( 1) = 2
- * silog2( 2) = 3
- * silog2( 3) = 3
- * silog2( 4) = 4
- * silog2( 5) = 4
- * silog2( 6) = 4
- * silog2( 7) = 4
- * silog2( 8) = 5
- * silog2( 9) = 5
- * silog2( 10) = 5
- */
-unsigned FLAC__bitmath_silog2(FLAC__int64 v)
-{
- if(v == 0)
- return 0;
-
- if(v == -1)
- return 2;
-
- v = (v < 0) ? (-(v+1)) : v;
- return FLAC__bitmath_ilog2_wide(v)+2;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/bitreader.c b/deps/flac-1.3.2/src/libFLAC/bitreader.c
deleted file mode 100644
index ab62d41..0000000
--- a/deps/flac-1.3.2/src/libFLAC/bitreader.c
+++ /dev/null
@@ -1,1087 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include "private/bitmath.h"
-#include "private/bitreader.h"
-#include "private/crc.h"
-#include "private/macros.h"
-#include "FLAC/assert.h"
-#include "share/compat.h"
-#include "share/endswap.h"
-
-/* Things should be fastest when this matches the machine word size */
-/* WATCHOUT: if you change this you must also change the following #defines down to COUNT_ZERO_MSBS2 below to match */
-/* WATCHOUT: there are a few places where the code will not work unless brword is >= 32 bits wide */
-/* also, some sections currently only have fast versions for 4 or 8 bytes per word */
-
-#if (ENABLE_64_BIT_WORDS == 0)
-
-typedef FLAC__uint32 brword;
-#define FLAC__BYTES_PER_WORD 4 /* sizeof brword */
-#define FLAC__BITS_PER_WORD 32
-#define FLAC__WORD_ALL_ONES ((FLAC__uint32)0xffffffff)
-/* SWAP_BE_WORD_TO_HOST swaps bytes in a brword (which is always big-endian) if necessary to match host byte order */
-#if WORDS_BIGENDIAN
-#define SWAP_BE_WORD_TO_HOST(x) (x)
-#else
-#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_32(x)
-#endif
-/* counts the # of zero MSBs in a word */
-#define COUNT_ZERO_MSBS(word) FLAC__clz_uint32(word)
-#define COUNT_ZERO_MSBS2(word) FLAC__clz2_uint32(word)
-
-#else
-
-typedef FLAC__uint64 brword;
-#define FLAC__BYTES_PER_WORD 8 /* sizeof brword */
-#define FLAC__BITS_PER_WORD 64
-#define FLAC__WORD_ALL_ONES ((FLAC__uint64)FLAC__U64L(0xffffffffffffffff))
-/* SWAP_BE_WORD_TO_HOST swaps bytes in a brword (which is always big-endian) if necessary to match host byte order */
-#if WORDS_BIGENDIAN
-#define SWAP_BE_WORD_TO_HOST(x) (x)
-#else
-#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_64(x)
-#endif
-/* counts the # of zero MSBs in a word */
-#define COUNT_ZERO_MSBS(word) FLAC__clz_uint64(word)
-#define COUNT_ZERO_MSBS2(word) FLAC__clz2_uint64(word)
-
-#endif
-
-/*
- * This should be at least twice as large as the largest number of words
- * required to represent any 'number' (in any encoding) you are going to
- * read. With FLAC this is on the order of maybe a few hundred bits.
- * If the buffer is smaller than that, the decoder won't be able to read
- * in a whole number that is in a variable length encoding (e.g. Rice).
- * But to be practical it should be at least 1K bytes.
- *
- * Increase this number to decrease the number of read callbacks, at the
- * expense of using more memory. Or decrease for the reverse effect,
- * keeping in mind the limit from the first paragraph. The optimal size
- * also depends on the CPU cache size and other factors; some twiddling
- * may be necessary to squeeze out the best performance.
- */
-static const unsigned FLAC__BITREADER_DEFAULT_CAPACITY = 65536u / FLAC__BITS_PER_WORD; /* in words */
-
-struct FLAC__BitReader {
- /* any partially-consumed word at the head will stay right-justified as bits are consumed from the left */
- /* any incomplete word at the tail will be left-justified, and bytes from the read callback are added on the right */
- brword *buffer;
- unsigned capacity; /* in words */
- unsigned words; /* # of completed words in buffer */
- unsigned bytes; /* # of bytes in incomplete word at buffer[words] */
- unsigned consumed_words; /* #words ... */
- unsigned consumed_bits; /* ... + (#bits of head word) already consumed from the front of buffer */
- unsigned read_crc16; /* the running frame CRC */
- unsigned crc16_align; /* the number of bits in the current consumed word that should not be CRC'd */
- FLAC__BitReaderReadCallback read_callback;
- void *client_data;
-};
-
-static inline void crc16_update_word_(FLAC__BitReader *br, brword word)
-{
- register unsigned crc = br->read_crc16;
-#if FLAC__BYTES_PER_WORD == 4
- switch(br->crc16_align) {
- case 0: crc = FLAC__CRC16_UPDATE((unsigned)(word >> 24), crc);
- case 8: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 16) & 0xff), crc);
- case 16: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 8) & 0xff), crc);
- case 24: br->read_crc16 = FLAC__CRC16_UPDATE((unsigned)(word & 0xff), crc);
- }
-#elif FLAC__BYTES_PER_WORD == 8
- switch(br->crc16_align) {
- case 0: crc = FLAC__CRC16_UPDATE((unsigned)(word >> 56), crc);
- case 8: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 48) & 0xff), crc);
- case 16: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 40) & 0xff), crc);
- case 24: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 32) & 0xff), crc);
- case 32: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 24) & 0xff), crc);
- case 40: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 16) & 0xff), crc);
- case 48: crc = FLAC__CRC16_UPDATE((unsigned)((word >> 8) & 0xff), crc);
- case 56: br->read_crc16 = FLAC__CRC16_UPDATE((unsigned)(word & 0xff), crc);
- }
-#else
- for( ; br->crc16_align < FLAC__BITS_PER_WORD; br->crc16_align += 8)
- crc = FLAC__CRC16_UPDATE((unsigned)((word >> (FLAC__BITS_PER_WORD-8-br->crc16_align)) & 0xff), crc);
- br->read_crc16 = crc;
-#endif
- br->crc16_align = 0;
-}
-
-static FLAC__bool bitreader_read_from_client_(FLAC__BitReader *br)
-{
- unsigned start, end;
- size_t bytes;
- FLAC__byte *target;
-
- /* first shift the unconsumed buffer data toward the front as much as possible */
- if(br->consumed_words > 0) {
- start = br->consumed_words;
- end = br->words + (br->bytes? 1:0);
- memmove(br->buffer, br->buffer+start, FLAC__BYTES_PER_WORD * (end - start));
-
- br->words -= start;
- br->consumed_words = 0;
- }
-
- /*
- * set the target for reading, taking into account word alignment and endianness
- */
- bytes = (br->capacity - br->words) * FLAC__BYTES_PER_WORD - br->bytes;
- if(bytes == 0)
- return false; /* no space left, buffer is too small; see note for FLAC__BITREADER_DEFAULT_CAPACITY */
- target = ((FLAC__byte*)(br->buffer+br->words)) + br->bytes;
-
- /* before reading, if the existing reader looks like this (say brword is 32 bits wide)
- * bitstream : 11 22 33 44 55 br->words=1 br->bytes=1 (partial tail word is left-justified)
- * buffer[BE]: 11 22 33 44 55 ?? ?? ?? (shown layed out as bytes sequentially in memory)
- * buffer[LE]: 44 33 22 11 ?? ?? ?? 55 (?? being don't-care)
- * ^^-------target, bytes=3
- * on LE machines, have to byteswap the odd tail word so nothing is
- * overwritten:
- */
-#if WORDS_BIGENDIAN
-#else
- if(br->bytes)
- br->buffer[br->words] = SWAP_BE_WORD_TO_HOST(br->buffer[br->words]);
-#endif
-
- /* now it looks like:
- * bitstream : 11 22 33 44 55 br->words=1 br->bytes=1
- * buffer[BE]: 11 22 33 44 55 ?? ?? ??
- * buffer[LE]: 44 33 22 11 55 ?? ?? ??
- * ^^-------target, bytes=3
- */
-
- /* read in the data; note that the callback may return a smaller number of bytes */
- if(!br->read_callback(target, &bytes, br->client_data))
- return false;
-
- /* after reading bytes 66 77 88 99 AA BB CC DD EE FF from the client:
- * bitstream : 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF
- * buffer[BE]: 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF ??
- * buffer[LE]: 44 33 22 11 55 66 77 88 99 AA BB CC DD EE FF ??
- * now have to byteswap on LE machines:
- */
-#if WORDS_BIGENDIAN
-#else
- end = (br->words*FLAC__BYTES_PER_WORD + br->bytes + (unsigned)bytes + (FLAC__BYTES_PER_WORD-1)) / FLAC__BYTES_PER_WORD;
- for(start = br->words; start < end; start++)
- br->buffer[start] = SWAP_BE_WORD_TO_HOST(br->buffer[start]);
-#endif
-
- /* now it looks like:
- * bitstream : 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF
- * buffer[BE]: 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF ??
- * buffer[LE]: 44 33 22 11 88 77 66 55 CC BB AA 99 ?? FF EE DD
- * finally we'll update the reader values:
- */
- end = br->words*FLAC__BYTES_PER_WORD + br->bytes + (unsigned)bytes;
- br->words = end / FLAC__BYTES_PER_WORD;
- br->bytes = end % FLAC__BYTES_PER_WORD;
-
- return true;
-}
-
-/***********************************************************************
- *
- * Class constructor/destructor
- *
- ***********************************************************************/
-
-FLAC__BitReader *FLAC__bitreader_new(void)
-{
- FLAC__BitReader *br = calloc(1, sizeof(FLAC__BitReader));
-
- /* calloc() implies:
- memset(br, 0, sizeof(FLAC__BitReader));
- br->buffer = 0;
- br->capacity = 0;
- br->words = br->bytes = 0;
- br->consumed_words = br->consumed_bits = 0;
- br->read_callback = 0;
- br->client_data = 0;
- */
- return br;
-}
-
-void FLAC__bitreader_delete(FLAC__BitReader *br)
-{
- FLAC__ASSERT(0 != br);
-
- FLAC__bitreader_free(br);
- free(br);
-}
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__BitReaderReadCallback rcb, void *cd)
-{
- FLAC__ASSERT(0 != br);
-
- br->words = br->bytes = 0;
- br->consumed_words = br->consumed_bits = 0;
- br->capacity = FLAC__BITREADER_DEFAULT_CAPACITY;
- br->buffer = malloc(sizeof(brword) * br->capacity);
- if(br->buffer == 0)
- return false;
- br->read_callback = rcb;
- br->client_data = cd;
-
- return true;
-}
-
-void FLAC__bitreader_free(FLAC__BitReader *br)
-{
- FLAC__ASSERT(0 != br);
-
- if(0 != br->buffer)
- free(br->buffer);
- br->buffer = 0;
- br->capacity = 0;
- br->words = br->bytes = 0;
- br->consumed_words = br->consumed_bits = 0;
- br->read_callback = 0;
- br->client_data = 0;
-}
-
-FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br)
-{
- br->words = br->bytes = 0;
- br->consumed_words = br->consumed_bits = 0;
- return true;
-}
-
-void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out)
-{
- unsigned i, j;
- if(br == 0) {
- fprintf(out, "bitreader is NULL\n");
- }
- else {
- fprintf(out, "bitreader: capacity=%u words=%u bytes=%u consumed: words=%u, bits=%u\n", br->capacity, br->words, br->bytes, br->consumed_words, br->consumed_bits);
-
- for(i = 0; i < br->words; i++) {
- fprintf(out, "%08X: ", i);
- for(j = 0; j < FLAC__BITS_PER_WORD; j++)
- if(i < br->consumed_words || (i == br->consumed_words && j < br->consumed_bits))
- fprintf(out, ".");
- else
- fprintf(out, "%01u", br->buffer[i] & ((brword)1 << (FLAC__BITS_PER_WORD-j-1)) ? 1:0);
- fprintf(out, "\n");
- }
- if(br->bytes > 0) {
- fprintf(out, "%08X: ", i);
- for(j = 0; j < br->bytes*8; j++)
- if(i < br->consumed_words || (i == br->consumed_words && j < br->consumed_bits))
- fprintf(out, ".");
- else
- fprintf(out, "%01u", br->buffer[i] & ((brword)1 << (br->bytes*8-j-1)) ? 1:0);
- fprintf(out, "\n");
- }
- }
-}
-
-void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed)
-{
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- FLAC__ASSERT((br->consumed_bits & 7) == 0);
-
- br->read_crc16 = (unsigned)seed;
- br->crc16_align = br->consumed_bits;
-}
-
-FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br)
-{
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- FLAC__ASSERT((br->consumed_bits & 7) == 0);
- FLAC__ASSERT(br->crc16_align <= br->consumed_bits);
-
- /* CRC any tail bytes in a partially-consumed word */
- if(br->consumed_bits) {
- const brword tail = br->buffer[br->consumed_words];
- for( ; br->crc16_align < br->consumed_bits; br->crc16_align += 8)
- br->read_crc16 = FLAC__CRC16_UPDATE((unsigned)((tail >> (FLAC__BITS_PER_WORD-8-br->crc16_align)) & 0xff), br->read_crc16);
- }
- return br->read_crc16;
-}
-
-inline FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br)
-{
- return ((br->consumed_bits & 7) == 0);
-}
-
-inline unsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br)
-{
- return 8 - (br->consumed_bits & 7);
-}
-
-inline unsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br)
-{
- return (br->words-br->consumed_words)*FLAC__BITS_PER_WORD + br->bytes*8 - br->consumed_bits;
-}
-
-FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, unsigned bits)
-{
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
-
- FLAC__ASSERT(bits <= 32);
- FLAC__ASSERT((br->capacity*FLAC__BITS_PER_WORD) * 2 >= bits);
- FLAC__ASSERT(br->consumed_words <= br->words);
-
- /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
- FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
-
- if(bits == 0) { /* OPT: investigate if this can ever happen, maybe change to assertion */
- *val = 0;
- return true;
- }
-
- while((br->words-br->consumed_words)*FLAC__BITS_PER_WORD + br->bytes*8 - br->consumed_bits < bits) {
- if(!bitreader_read_from_client_(br))
- return false;
- }
- if(br->consumed_words < br->words) { /* if we've not consumed up to a partial tail word... */
- /* OPT: taking out the consumed_bits==0 "else" case below might make things faster if less code allows the compiler to inline this function */
- if(br->consumed_bits) {
- /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- const unsigned n = FLAC__BITS_PER_WORD - br->consumed_bits;
- const brword word = br->buffer[br->consumed_words];
- if(bits < n) {
- *val = (FLAC__uint32)((word & (FLAC__WORD_ALL_ONES >> br->consumed_bits)) >> (n-bits)); /* The result has <= 32 non-zero bits */
- br->consumed_bits += bits;
- return true;
- }
- /* (FLAC__BITS_PER_WORD - br->consumed_bits <= bits) ==> (FLAC__WORD_ALL_ONES >> br->consumed_bits) has no more than 'bits' non-zero bits */
- *val = (FLAC__uint32)(word & (FLAC__WORD_ALL_ONES >> br->consumed_bits));
- bits -= n;
- crc16_update_word_(br, word);
- br->consumed_words++;
- br->consumed_bits = 0;
- if(bits) { /* if there are still bits left to read, there have to be less than 32 so they will all be in the next word */
- *val <<= bits;
- *val |= (FLAC__uint32)(br->buffer[br->consumed_words] >> (FLAC__BITS_PER_WORD-bits));
- br->consumed_bits = bits;
- }
- return true;
- }
- else { /* br->consumed_bits == 0 */
- const brword word = br->buffer[br->consumed_words];
- if(bits < FLAC__BITS_PER_WORD) {
- *val = (FLAC__uint32)(word >> (FLAC__BITS_PER_WORD-bits));
- br->consumed_bits = bits;
- return true;
- }
- /* at this point bits == FLAC__BITS_PER_WORD == 32; because of previous assertions, it can't be larger */
- *val = (FLAC__uint32)word;
- crc16_update_word_(br, word);
- br->consumed_words++;
- return true;
- }
- }
- else {
- /* in this case we're starting our read at a partial tail word;
- * the reader has guaranteed that we have at least 'bits' bits
- * available to read, which makes this case simpler.
- */
- /* OPT: taking out the consumed_bits==0 "else" case below might make things faster if less code allows the compiler to inline this function */
- if(br->consumed_bits) {
- /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- FLAC__ASSERT(br->consumed_bits + bits <= br->bytes*8);
- *val = (FLAC__uint32)((br->buffer[br->consumed_words] & (FLAC__WORD_ALL_ONES >> br->consumed_bits)) >> (FLAC__BITS_PER_WORD-br->consumed_bits-bits));
- br->consumed_bits += bits;
- return true;
- }
- else {
- *val = (FLAC__uint32)(br->buffer[br->consumed_words] >> (FLAC__BITS_PER_WORD-bits));
- br->consumed_bits += bits;
- return true;
- }
- }
-}
-
-FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, unsigned bits)
-{
- FLAC__uint32 uval, mask;
- /* OPT: inline raw uint32 code here, or make into a macro if possible in the .h file */
- if(!FLAC__bitreader_read_raw_uint32(br, &uval, bits))
- return false;
- /* sign-extend *val assuming it is currently bits wide. */
- /* From: https://graphics.stanford.edu/~seander/bithacks.html#FixedSignExtend */
- mask = 1u << (bits - 1);
- *val = (uval ^ mask) - mask;
- return true;
-}
-
-FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, unsigned bits)
-{
- FLAC__uint32 hi, lo;
-
- if(bits > 32) {
- if(!FLAC__bitreader_read_raw_uint32(br, &hi, bits-32))
- return false;
- if(!FLAC__bitreader_read_raw_uint32(br, &lo, 32))
- return false;
- *val = hi;
- *val <<= 32;
- *val |= lo;
- }
- else {
- if(!FLAC__bitreader_read_raw_uint32(br, &lo, bits))
- return false;
- *val = lo;
- }
- return true;
-}
-
-inline FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val)
-{
- FLAC__uint32 x8, x32 = 0;
-
- /* this doesn't need to be that fast as currently it is only used for vorbis comments */
-
- if(!FLAC__bitreader_read_raw_uint32(br, &x32, 8))
- return false;
-
- if(!FLAC__bitreader_read_raw_uint32(br, &x8, 8))
- return false;
- x32 |= (x8 << 8);
-
- if(!FLAC__bitreader_read_raw_uint32(br, &x8, 8))
- return false;
- x32 |= (x8 << 16);
-
- if(!FLAC__bitreader_read_raw_uint32(br, &x8, 8))
- return false;
- x32 |= (x8 << 24);
-
- *val = x32;
- return true;
-}
-
-FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, unsigned bits)
-{
- /*
- * OPT: a faster implementation is possible but probably not that useful
- * since this is only called a couple of times in the metadata readers.
- */
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
-
- if(bits > 0) {
- const unsigned n = br->consumed_bits & 7;
- unsigned m;
- FLAC__uint32 x;
-
- if(n != 0) {
- m = flac_min(8-n, bits);
- if(!FLAC__bitreader_read_raw_uint32(br, &x, m))
- return false;
- bits -= m;
- }
- m = bits / 8;
- if(m > 0) {
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(br, m))
- return false;
- bits %= 8;
- }
- if(bits > 0) {
- if(!FLAC__bitreader_read_raw_uint32(br, &x, bits))
- return false;
- }
- }
-
- return true;
-}
-
-FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, unsigned nvals)
-{
- FLAC__uint32 x;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(br));
-
- /* step 1: skip over partial head word to get word aligned */
- while(nvals && br->consumed_bits) { /* i.e. run until we read 'nvals' bytes or we hit the end of the head word */
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- nvals--;
- }
- if(0 == nvals)
- return true;
- /* step 2: skip whole words in chunks */
- while(nvals >= FLAC__BYTES_PER_WORD) {
- if(br->consumed_words < br->words) {
- br->consumed_words++;
- nvals -= FLAC__BYTES_PER_WORD;
- }
- else if(!bitreader_read_from_client_(br))
- return false;
- }
- /* step 3: skip any remainder from partial tail bytes */
- while(nvals) {
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- nvals--;
- }
-
- return true;
-}
-
-FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, unsigned nvals)
-{
- FLAC__uint32 x;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(br));
-
- /* step 1: read from partial head word to get word aligned */
- while(nvals && br->consumed_bits) { /* i.e. run until we read 'nvals' bytes or we hit the end of the head word */
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- *val++ = (FLAC__byte)x;
- nvals--;
- }
- if(0 == nvals)
- return true;
- /* step 2: read whole words in chunks */
- while(nvals >= FLAC__BYTES_PER_WORD) {
- if(br->consumed_words < br->words) {
- const brword word = br->buffer[br->consumed_words++];
-#if FLAC__BYTES_PER_WORD == 4
- val[0] = (FLAC__byte)(word >> 24);
- val[1] = (FLAC__byte)(word >> 16);
- val[2] = (FLAC__byte)(word >> 8);
- val[3] = (FLAC__byte)word;
-#elif FLAC__BYTES_PER_WORD == 8
- val[0] = (FLAC__byte)(word >> 56);
- val[1] = (FLAC__byte)(word >> 48);
- val[2] = (FLAC__byte)(word >> 40);
- val[3] = (FLAC__byte)(word >> 32);
- val[4] = (FLAC__byte)(word >> 24);
- val[5] = (FLAC__byte)(word >> 16);
- val[6] = (FLAC__byte)(word >> 8);
- val[7] = (FLAC__byte)word;
-#else
- for(x = 0; x < FLAC__BYTES_PER_WORD; x++)
- val[x] = (FLAC__byte)(word >> (8*(FLAC__BYTES_PER_WORD-x-1)));
-#endif
- val += FLAC__BYTES_PER_WORD;
- nvals -= FLAC__BYTES_PER_WORD;
- }
- else if(!bitreader_read_from_client_(br))
- return false;
- }
- /* step 3: read any remainder from partial tail bytes */
- while(nvals) {
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- *val++ = (FLAC__byte)x;
- nvals--;
- }
-
- return true;
-}
-
-FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, unsigned *val)
-#if 0 /* slow but readable version */
-{
- unsigned bit;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
-
- *val = 0;
- while(1) {
- if(!FLAC__bitreader_read_bit(br, &bit))
- return false;
- if(bit)
- break;
- else
- *val++;
- }
- return true;
-}
-#else
-{
- unsigned i;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
-
- *val = 0;
- while(1) {
- while(br->consumed_words < br->words) { /* if we've not consumed up to a partial tail word... */
- brword b = br->buffer[br->consumed_words] << br->consumed_bits;
- if(b) {
- i = COUNT_ZERO_MSBS(b);
- *val += i;
- i++;
- br->consumed_bits += i;
- if(br->consumed_bits >= FLAC__BITS_PER_WORD) { /* faster way of testing if(br->consumed_bits == FLAC__BITS_PER_WORD) */
- crc16_update_word_(br, br->buffer[br->consumed_words]);
- br->consumed_words++;
- br->consumed_bits = 0;
- }
- return true;
- }
- else {
- *val += FLAC__BITS_PER_WORD - br->consumed_bits;
- crc16_update_word_(br, br->buffer[br->consumed_words]);
- br->consumed_words++;
- br->consumed_bits = 0;
- /* didn't find stop bit yet, have to keep going... */
- }
- }
- /* at this point we've eaten up all the whole words; have to try
- * reading through any tail bytes before calling the read callback.
- * this is a repeat of the above logic adjusted for the fact we
- * don't have a whole word. note though if the client is feeding
- * us data a byte at a time (unlikely), br->consumed_bits may not
- * be zero.
- */
- if(br->bytes*8 > br->consumed_bits) {
- const unsigned end = br->bytes * 8;
- brword b = (br->buffer[br->consumed_words] & (FLAC__WORD_ALL_ONES << (FLAC__BITS_PER_WORD-end))) << br->consumed_bits;
- if(b) {
- i = COUNT_ZERO_MSBS(b);
- *val += i;
- i++;
- br->consumed_bits += i;
- FLAC__ASSERT(br->consumed_bits < FLAC__BITS_PER_WORD);
- return true;
- }
- else {
- *val += end - br->consumed_bits;
- br->consumed_bits = end;
- FLAC__ASSERT(br->consumed_bits < FLAC__BITS_PER_WORD);
- /* didn't find stop bit yet, have to keep going... */
- }
- }
- if(!bitreader_read_from_client_(br))
- return false;
- }
-}
-#endif
-
-FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, unsigned parameter)
-{
- FLAC__uint32 lsbs = 0, msbs = 0;
- unsigned uval;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- FLAC__ASSERT(parameter <= 31);
-
- /* read the unary MSBs and end bit */
- if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
- return false;
-
- /* read the binary LSBs */
- if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, parameter))
- return false;
-
- /* compose the value */
- uval = (msbs << parameter) | lsbs;
- if(uval & 1)
- *val = -((int)(uval >> 1)) - 1;
- else
- *val = (int)(uval >> 1);
-
- return true;
-}
-
-/* this is by far the most heavily used reader call. it ain't pretty but it's fast */
-FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter)
-{
- /* try and get br->consumed_words and br->consumed_bits into register;
- * must remember to flush them back to *br before calling other
- * bitreader functions that use them, and before returning */
- unsigned cwords, words, lsbs, msbs, x, y;
- unsigned ucbits; /* keep track of the number of unconsumed bits in word */
- brword b;
- int *val, *end;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
- FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
- FLAC__ASSERT(parameter < 32);
- /* the above two asserts also guarantee that the binary part never straddles more than 2 words, so we don't have to loop to read it */
-
- val = vals;
- end = vals + nvals;
-
- if(parameter == 0) {
- while(val < end) {
- /* read the unary MSBs and end bit */
- if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
- return false;
-
- *val++ = (int)(msbs >> 1) ^ -(int)(msbs & 1);
- }
-
- return true;
- }
-
- FLAC__ASSERT(parameter > 0);
-
- cwords = br->consumed_words;
- words = br->words;
-
- /* if we've not consumed up to a partial tail word... */
- if(cwords >= words) {
- x = 0;
- goto process_tail;
- }
-
- ucbits = FLAC__BITS_PER_WORD - br->consumed_bits;
- b = br->buffer[cwords] << br->consumed_bits; /* keep unconsumed bits aligned to left */
-
- while(val < end) {
- /* read the unary MSBs and end bit */
- x = y = COUNT_ZERO_MSBS2(b);
- if(x == FLAC__BITS_PER_WORD) {
- x = ucbits;
- do {
- /* didn't find stop bit yet, have to keep going... */
- crc16_update_word_(br, br->buffer[cwords++]);
- if (cwords >= words)
- goto incomplete_msbs;
- b = br->buffer[cwords];
- y = COUNT_ZERO_MSBS2(b);
- x += y;
- } while(y == FLAC__BITS_PER_WORD);
- }
- b <<= y;
- b <<= 1; /* account for stop bit */
- ucbits = (ucbits - x - 1) % FLAC__BITS_PER_WORD;
- msbs = x;
-
- /* read the binary LSBs */
- x = (FLAC__uint32)(b >> (FLAC__BITS_PER_WORD - parameter)); /* parameter < 32, so we can cast to 32-bit unsigned */
- if(parameter <= ucbits) {
- ucbits -= parameter;
- b <<= parameter;
- } else {
- /* there are still bits left to read, they will all be in the next word */
- crc16_update_word_(br, br->buffer[cwords++]);
- if (cwords >= words)
- goto incomplete_lsbs;
- b = br->buffer[cwords];
- ucbits += FLAC__BITS_PER_WORD - parameter;
- x |= (FLAC__uint32)(b >> ucbits);
- b <<= FLAC__BITS_PER_WORD - ucbits;
- }
- lsbs = x;
-
- /* compose the value */
- x = (msbs << parameter) | lsbs;
- *val++ = (int)(x >> 1) ^ -(int)(x & 1);
-
- continue;
-
- /* at this point we've eaten up all the whole words */
-process_tail:
- do {
- if(0) {
-incomplete_msbs:
- br->consumed_bits = 0;
- br->consumed_words = cwords;
- }
-
- /* read the unary MSBs and end bit */
- if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
- return false;
- msbs += x;
- x = ucbits = 0;
-
- if(0) {
-incomplete_lsbs:
- br->consumed_bits = 0;
- br->consumed_words = cwords;
- }
-
- /* read the binary LSBs */
- if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, parameter - ucbits))
- return false;
- lsbs = x | lsbs;
-
- /* compose the value */
- x = (msbs << parameter) | lsbs;
- *val++ = (int)(x >> 1) ^ -(int)(x & 1);
- x = 0;
-
- cwords = br->consumed_words;
- words = br->words;
- ucbits = FLAC__BITS_PER_WORD - br->consumed_bits;
- b = br->buffer[cwords] << br->consumed_bits;
- } while(cwords >= words && val < end);
- }
-
- if(ucbits == 0 && cwords < words) {
- /* don't leave the head word with no unconsumed bits */
- crc16_update_word_(br, br->buffer[cwords++]);
- ucbits = FLAC__BITS_PER_WORD;
- }
-
- br->consumed_bits = FLAC__BITS_PER_WORD - ucbits;
- br->consumed_words = cwords;
-
- return true;
-}
-
-#if 0 /* UNUSED */
-FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, unsigned parameter)
-{
- FLAC__uint32 lsbs = 0, msbs = 0;
- unsigned bit, uval, k;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
-
- k = FLAC__bitmath_ilog2(parameter);
-
- /* read the unary MSBs and end bit */
- if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
- return false;
-
- /* read the binary LSBs */
- if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, k))
- return false;
-
- if(parameter == 1u<<k) {
- /* compose the value */
- uval = (msbs << k) | lsbs;
- }
- else {
- unsigned d = (1 << (k+1)) - parameter;
- if(lsbs >= d) {
- if(!FLAC__bitreader_read_bit(br, &bit))
- return false;
- lsbs <<= 1;
- lsbs |= bit;
- lsbs -= d;
- }
- /* compose the value */
- uval = msbs * parameter + lsbs;
- }
-
- /* unfold unsigned to signed */
- if(uval & 1)
- *val = -((int)(uval >> 1)) - 1;
- else
- *val = (int)(uval >> 1);
-
- return true;
-}
-
-FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, unsigned *val, unsigned parameter)
-{
- FLAC__uint32 lsbs, msbs = 0;
- unsigned bit, k;
-
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
-
- k = FLAC__bitmath_ilog2(parameter);
-
- /* read the unary MSBs and end bit */
- if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
- return false;
-
- /* read the binary LSBs */
- if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, k))
- return false;
-
- if(parameter == 1u<<k) {
- /* compose the value */
- *val = (msbs << k) | lsbs;
- }
- else {
- unsigned d = (1 << (k+1)) - parameter;
- if(lsbs >= d) {
- if(!FLAC__bitreader_read_bit(br, &bit))
- return false;
- lsbs <<= 1;
- lsbs |= bit;
- lsbs -= d;
- }
- /* compose the value */
- *val = msbs * parameter + lsbs;
- }
-
- return true;
-}
-#endif /* UNUSED */
-
-/* on return, if *val == 0xffffffff then the utf-8 sequence was invalid, but the return value will be true */
-FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, unsigned *rawlen)
-{
- FLAC__uint32 v = 0;
- FLAC__uint32 x;
- unsigned i;
-
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- if(raw)
- raw[(*rawlen)++] = (FLAC__byte)x;
- if(!(x & 0x80)) { /* 0xxxxxxx */
- v = x;
- i = 0;
- }
- else if(x & 0xC0 && !(x & 0x20)) { /* 110xxxxx */
- v = x & 0x1F;
- i = 1;
- }
- else if(x & 0xE0 && !(x & 0x10)) { /* 1110xxxx */
- v = x & 0x0F;
- i = 2;
- }
- else if(x & 0xF0 && !(x & 0x08)) { /* 11110xxx */
- v = x & 0x07;
- i = 3;
- }
- else if(x & 0xF8 && !(x & 0x04)) { /* 111110xx */
- v = x & 0x03;
- i = 4;
- }
- else if(x & 0xFC && !(x & 0x02)) { /* 1111110x */
- v = x & 0x01;
- i = 5;
- }
- else {
- *val = 0xffffffff;
- return true;
- }
- for( ; i; i--) {
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- if(raw)
- raw[(*rawlen)++] = (FLAC__byte)x;
- if(!(x & 0x80) || (x & 0x40)) { /* 10xxxxxx */
- *val = 0xffffffff;
- return true;
- }
- v <<= 6;
- v |= (x & 0x3F);
- }
- *val = v;
- return true;
-}
-
-/* on return, if *val == 0xffffffffffffffff then the utf-8 sequence was invalid, but the return value will be true */
-FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, unsigned *rawlen)
-{
- FLAC__uint64 v = 0;
- FLAC__uint32 x;
- unsigned i;
-
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- if(raw)
- raw[(*rawlen)++] = (FLAC__byte)x;
- if(!(x & 0x80)) { /* 0xxxxxxx */
- v = x;
- i = 0;
- }
- else if(x & 0xC0 && !(x & 0x20)) { /* 110xxxxx */
- v = x & 0x1F;
- i = 1;
- }
- else if(x & 0xE0 && !(x & 0x10)) { /* 1110xxxx */
- v = x & 0x0F;
- i = 2;
- }
- else if(x & 0xF0 && !(x & 0x08)) { /* 11110xxx */
- v = x & 0x07;
- i = 3;
- }
- else if(x & 0xF8 && !(x & 0x04)) { /* 111110xx */
- v = x & 0x03;
- i = 4;
- }
- else if(x & 0xFC && !(x & 0x02)) { /* 1111110x */
- v = x & 0x01;
- i = 5;
- }
- else if(x & 0xFE && !(x & 0x01)) { /* 11111110 */
- v = 0;
- i = 6;
- }
- else {
- *val = FLAC__U64L(0xffffffffffffffff);
- return true;
- }
- for( ; i; i--) {
- if(!FLAC__bitreader_read_raw_uint32(br, &x, 8))
- return false;
- if(raw)
- raw[(*rawlen)++] = (FLAC__byte)x;
- if(!(x & 0x80) || (x & 0x40)) { /* 10xxxxxx */
- *val = FLAC__U64L(0xffffffffffffffff);
- return true;
- }
- v <<= 6;
- v |= (x & 0x3F);
- }
- *val = v;
- return true;
-}
-
-/* These functions are declared inline in this file but are also callable as
- * externs from elsewhere.
- * According to the C99 spec, section 6.7.4, simply providing a function
- * prototype in a header file without 'inline' and making the function inline
- * in this file should be sufficient.
- * Unfortunately, the Microsoft VS compiler doesn't pick them up externally. To
- * fix that we add extern declarations here.
- */
-extern FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br);
-extern unsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br);
-extern unsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br);
-extern FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val);
diff --git a/deps/flac-1.3.2/src/libFLAC/bitwriter.c b/deps/flac-1.3.2/src/libFLAC/bitwriter.c
deleted file mode 100644
index 402b1c4..0000000
--- a/deps/flac-1.3.2/src/libFLAC/bitwriter.c
+++ /dev/null
@@ -1,881 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include "private/bitwriter.h"
-#include "private/crc.h"
-#include "private/macros.h"
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-#include "share/compat.h"
-#include "share/endswap.h"
-
-/* Things should be fastest when this matches the machine word size */
-/* WATCHOUT: if you change this you must also change the following #defines down to SWAP_BE_WORD_TO_HOST below to match */
-/* WATCHOUT: there are a few places where the code will not work unless bwword is >= 32 bits wide */
-
-#if (ENABLE_64_BIT_WORDS == 0)
-
-typedef FLAC__uint32 bwword;
-#define FLAC__BYTES_PER_WORD 4 /* sizeof bwword */
-#define FLAC__BITS_PER_WORD 32
-/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */
-#if WORDS_BIGENDIAN
-#define SWAP_BE_WORD_TO_HOST(x) (x)
-#else
-#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_32(x)
-#endif
-
-#else
-
-typedef FLAC__uint64 bwword;
-#define FLAC__BYTES_PER_WORD 8 /* sizeof bwword */
-#define FLAC__BITS_PER_WORD 64
-/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */
-#if WORDS_BIGENDIAN
-#define SWAP_BE_WORD_TO_HOST(x) (x)
-#else
-#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_64(x)
-#endif
-
-#endif
-
-/*
- * The default capacity here doesn't matter too much. The buffer always grows
- * to hold whatever is written to it. Usually the encoder will stop adding at
- * a frame or metadata block, then write that out and clear the buffer for the
- * next one.
- */
-static const unsigned FLAC__BITWRITER_DEFAULT_CAPACITY = 32768u / sizeof(bwword); /* size in words */
-/* When growing, increment 4K at a time */
-static const unsigned FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(bwword); /* size in words */
-
-#define FLAC__WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD)
-#define FLAC__TOTAL_BITS(bw) (FLAC__WORDS_TO_BITS((bw)->words) + (bw)->bits)
-
-struct FLAC__BitWriter {
- bwword *buffer;
- bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */
- unsigned capacity; /* capacity of buffer in words */
- unsigned words; /* # of complete words in buffer */
- unsigned bits; /* # of used bits in accum */
-};
-
-/* * WATCHOUT: The current implementation only grows the buffer. */
-#ifndef __SUNPRO_C
-static
-#endif
-FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, unsigned bits_to_add)
-{
- unsigned new_capacity;
- bwword *new_buffer;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
-
- /* calculate total words needed to store 'bits_to_add' additional bits */
- new_capacity = bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD);
-
- /* it's possible (due to pessimism in the growth estimation that
- * leads to this call) that we don't actually need to grow
- */
- if(bw->capacity >= new_capacity)
- return true;
-
- /* round up capacity increase to the nearest FLAC__BITWRITER_DEFAULT_INCREMENT */
- if((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT)
- new_capacity += FLAC__BITWRITER_DEFAULT_INCREMENT - ((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT);
- /* make sure we got everything right */
- FLAC__ASSERT(0 == (new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT);
- FLAC__ASSERT(new_capacity > bw->capacity);
- FLAC__ASSERT(new_capacity >= bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD));
-
- new_buffer = safe_realloc_mul_2op_(bw->buffer, sizeof(bwword), /*times*/new_capacity);
- if(new_buffer == 0)
- return false;
- bw->buffer = new_buffer;
- bw->capacity = new_capacity;
- return true;
-}
-
-
-/***********************************************************************
- *
- * Class constructor/destructor
- *
- ***********************************************************************/
-
-FLAC__BitWriter *FLAC__bitwriter_new(void)
-{
- FLAC__BitWriter *bw = calloc(1, sizeof(FLAC__BitWriter));
- /* note that calloc() sets all members to 0 for us */
- return bw;
-}
-
-void FLAC__bitwriter_delete(FLAC__BitWriter *bw)
-{
- FLAC__ASSERT(0 != bw);
-
- FLAC__bitwriter_free(bw);
- free(bw);
-}
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw)
-{
- FLAC__ASSERT(0 != bw);
-
- bw->words = bw->bits = 0;
- bw->capacity = FLAC__BITWRITER_DEFAULT_CAPACITY;
- bw->buffer = malloc(sizeof(bwword) * bw->capacity);
- if(bw->buffer == 0)
- return false;
-
- return true;
-}
-
-void FLAC__bitwriter_free(FLAC__BitWriter *bw)
-{
- FLAC__ASSERT(0 != bw);
-
- if(0 != bw->buffer)
- free(bw->buffer);
- bw->buffer = 0;
- bw->capacity = 0;
- bw->words = bw->bits = 0;
-}
-
-void FLAC__bitwriter_clear(FLAC__BitWriter *bw)
-{
- bw->words = bw->bits = 0;
-}
-
-void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out)
-{
- unsigned i, j;
- if(bw == 0) {
- fprintf(out, "bitwriter is NULL\n");
- }
- else {
- fprintf(out, "bitwriter: capacity=%u words=%u bits=%u total_bits=%u\n", bw->capacity, bw->words, bw->bits, FLAC__TOTAL_BITS(bw));
-
- for(i = 0; i < bw->words; i++) {
- fprintf(out, "%08X: ", i);
- for(j = 0; j < FLAC__BITS_PER_WORD; j++)
- fprintf(out, "%01u", bw->buffer[i] & ((bwword)1 << (FLAC__BITS_PER_WORD-j-1)) ? 1:0);
- fprintf(out, "\n");
- }
- if(bw->bits > 0) {
- fprintf(out, "%08X: ", i);
- for(j = 0; j < bw->bits; j++)
- fprintf(out, "%01u", bw->accum & ((bwword)1 << (bw->bits-j-1)) ? 1:0);
- fprintf(out, "\n");
- }
- }
-}
-
-FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc)
-{
- const FLAC__byte *buffer;
- size_t bytes;
-
- FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */
-
- if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes))
- return false;
-
- *crc = (FLAC__uint16)FLAC__crc16(buffer, bytes);
- FLAC__bitwriter_release_buffer(bw);
- return true;
-}
-
-FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc)
-{
- const FLAC__byte *buffer;
- size_t bytes;
-
- FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */
-
- if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes))
- return false;
-
- *crc = FLAC__crc8(buffer, bytes);
- FLAC__bitwriter_release_buffer(bw);
- return true;
-}
-
-FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw)
-{
- return ((bw->bits & 7) == 0);
-}
-
-unsigned FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw)
-{
- return FLAC__TOTAL_BITS(bw);
-}
-
-FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes)
-{
- FLAC__ASSERT((bw->bits & 7) == 0);
- /* double protection */
- if(bw->bits & 7)
- return false;
- /* if we have bits in the accumulator we have to flush those to the buffer first */
- if(bw->bits) {
- FLAC__ASSERT(bw->words <= bw->capacity);
- if(bw->words == bw->capacity && !bitwriter_grow_(bw, FLAC__BITS_PER_WORD))
- return false;
- /* append bits as complete word to buffer, but don't change bw->accum or bw->bits */
- bw->buffer[bw->words] = SWAP_BE_WORD_TO_HOST(bw->accum << (FLAC__BITS_PER_WORD-bw->bits));
- }
- /* now we can just return what we have */
- *buffer = (FLAC__byte*)bw->buffer;
- *bytes = (FLAC__BYTES_PER_WORD * bw->words) + (bw->bits >> 3);
- return true;
-}
-
-void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw)
-{
- /* nothing to do. in the future, strict checking of a 'writer-is-in-
- * get-mode' flag could be added everywhere and then cleared here
- */
- (void)bw;
-}
-
-inline FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, unsigned bits)
-{
- unsigned n;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
-
- if(bits == 0)
- return true;
- /* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
- if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits))
- return false;
- /* first part gets to word alignment */
- if(bw->bits) {
- n = flac_min(FLAC__BITS_PER_WORD - bw->bits, bits);
- bw->accum <<= n;
- bits -= n;
- bw->bits += n;
- if(bw->bits == FLAC__BITS_PER_WORD) {
- bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
- bw->bits = 0;
- }
- else
- return true;
- }
- /* do whole words */
- while(bits >= FLAC__BITS_PER_WORD) {
- bw->buffer[bw->words++] = 0;
- bits -= FLAC__BITS_PER_WORD;
- }
- /* do any leftovers */
- if(bits > 0) {
- bw->accum = 0;
- bw->bits = bits;
- }
- return true;
-}
-
-static inline FLAC__bool FLAC__bitwriter_write_raw_uint32_nocheck(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits)
-{
- register unsigned left;
-
- /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
- FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
-
- if(bw == 0 || bw->buffer == 0)
- return false;
-
- if (bits > 32)
- return false;
-
- if(bits == 0)
- return true;
-
- FLAC__ASSERT((bits == 32) || (val>>bits == 0));
-
- /* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
- if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits))
- return false;
-
- left = FLAC__BITS_PER_WORD - bw->bits;
- if(bits < left) {
- bw->accum <<= bits;
- bw->accum |= val;
- bw->bits += bits;
- }
- else if(bw->bits) { /* WATCHOUT: if bw->bits == 0, left==FLAC__BITS_PER_WORD and bw->accum<<=left is a NOP instead of setting to 0 */
- bw->accum <<= left;
- bw->accum |= val >> (bw->bits = bits - left);
- bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
- bw->accum = val; /* unused top bits can contain garbage */
- }
- else { /* at this point bits == FLAC__BITS_PER_WORD == 32 and bw->bits == 0 */
- bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST((bwword)val);
- }
-
- return true;
-}
-
-inline FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits)
-{
- /* check that unused bits are unset */
- if((bits < 32) && (val>>bits != 0))
- return false;
-
- return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, bits);
-}
-
-inline FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, unsigned bits)
-{
- /* zero-out unused bits */
- if(bits < 32)
- val &= (~(0xffffffff << bits));
-
- return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, bits);
-}
-
-inline FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, unsigned bits)
-{
- /* this could be a little faster but it's not used for much */
- if(bits > 32) {
- return
- FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)(val>>32), bits-32) &&
- FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 32);
- }
- else
- return FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)val, bits);
-}
-
-inline FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val)
-{
- /* this doesn't need to be that fast as currently it is only used for vorbis comments */
-
- if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val & 0xff, 8))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>8) & 0xff, 8))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>16) & 0xff, 8))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val>>24, 8))
- return false;
-
- return true;
-}
-
-inline FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], unsigned nvals)
-{
- unsigned i;
-
- /* this could be faster but currently we don't need it to be since it's only used for writing metadata */
- for(i = 0; i < nvals; i++) {
- if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)(vals[i]), 8))
- return false;
- }
-
- return true;
-}
-
-FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, unsigned val)
-{
- if(val < 32)
- return FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, ++val);
- else
- return
- FLAC__bitwriter_write_zeroes(bw, val) &&
- FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, 1);
-}
-
-unsigned FLAC__bitwriter_rice_bits(FLAC__int32 val, unsigned parameter)
-{
- FLAC__uint32 uval;
-
- FLAC__ASSERT(parameter < 32);
-
- /* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
- uval = val;
- uval <<= 1;
- uval ^= (val>>31);
-
- return 1 + parameter + (uval >> parameter);
-}
-
-#if 0 /* UNUSED */
-unsigned FLAC__bitwriter_golomb_bits_signed(int val, unsigned parameter)
-{
- unsigned bits, msbs, uval;
- unsigned k;
-
- FLAC__ASSERT(parameter > 0);
-
- /* fold signed to unsigned */
- if(val < 0)
- uval = (unsigned)(((-(++val)) << 1) + 1);
- else
- uval = (unsigned)(val << 1);
-
- k = FLAC__bitmath_ilog2(parameter);
- if(parameter == 1u<<k) {
- FLAC__ASSERT(k <= 30);
-
- msbs = uval >> k;
- bits = 1 + k + msbs;
- }
- else {
- unsigned q, r, d;
-
- d = (1 << (k+1)) - parameter;
- q = uval / parameter;
- r = uval - (q * parameter);
-
- bits = 1 + q + k;
- if(r >= d)
- bits++;
- }
- return bits;
-}
-
-unsigned FLAC__bitwriter_golomb_bits_unsigned(unsigned uval, unsigned parameter)
-{
- unsigned bits, msbs;
- unsigned k;
-
- FLAC__ASSERT(parameter > 0);
-
- k = FLAC__bitmath_ilog2(parameter);
- if(parameter == 1u<<k) {
- FLAC__ASSERT(k <= 30);
-
- msbs = uval >> k;
- bits = 1 + k + msbs;
- }
- else {
- unsigned q, r, d;
-
- d = (1 << (k+1)) - parameter;
- q = uval / parameter;
- r = uval - (q * parameter);
-
- bits = 1 + q + k;
- if(r >= d)
- bits++;
- }
- return bits;
-}
-#endif /* UNUSED */
-
-FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, unsigned parameter)
-{
- unsigned total_bits, interesting_bits, msbs;
- FLAC__uint32 uval, pattern;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
- FLAC__ASSERT(parameter < 32);
-
- /* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
- uval = val;
- uval <<= 1;
- uval ^= (val>>31);
-
- msbs = uval >> parameter;
- interesting_bits = 1 + parameter;
- total_bits = interesting_bits + msbs;
- pattern = 1 << parameter; /* the unary end bit */
- pattern |= (uval & ((1<<parameter)-1)); /* the binary LSBs */
-
- if(total_bits <= 32)
- return FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits);
- else
- return
- FLAC__bitwriter_write_zeroes(bw, msbs) && /* write the unary MSBs */
- FLAC__bitwriter_write_raw_uint32(bw, pattern, interesting_bits); /* write the unary end bit and binary LSBs */
-}
-
-FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, unsigned nvals, unsigned parameter)
-{
- const FLAC__uint32 mask1 = (FLAC__uint32)0xffffffff << parameter; /* we val|=mask1 to set the stop bit above it... */
- const FLAC__uint32 mask2 = (FLAC__uint32)0xffffffff >> (31-parameter); /* ...then mask off the bits above the stop bit with val&=mask2 */
- FLAC__uint32 uval;
- unsigned left;
- const unsigned lsbits = 1 + parameter;
- unsigned msbits, total_bits;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
- FLAC__ASSERT(parameter < 31);
- /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
- FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
-
- while(nvals) {
- /* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
- uval = *vals;
- uval <<= 1;
- uval ^= (*vals>>31);
-
- msbits = uval >> parameter;
- total_bits = lsbits + msbits;
-
- if(bw->bits && bw->bits + total_bits < FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current bwword */
- /* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free bwword to work in */
- bw->bits += total_bits;
- uval |= mask1; /* set stop bit */
- uval &= mask2; /* mask off unused top bits */
- bw->accum <<= total_bits;
- bw->accum |= uval;
- }
- else {
- /* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+msbits+lsbits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */
- /* OPT: pessimism may cause flurry of false calls to grow_ which eat up all savings before it */
- if(bw->capacity <= bw->words + bw->bits + msbits + 1 /* lsbits always fit in 1 bwword */ && !bitwriter_grow_(bw, total_bits))
- return false;
-
- if(msbits) {
- /* first part gets to word alignment */
- if(bw->bits) {
- left = FLAC__BITS_PER_WORD - bw->bits;
- if(msbits < left) {
- bw->accum <<= msbits;
- bw->bits += msbits;
- goto break1;
- }
- else {
- bw->accum <<= left;
- msbits -= left;
- bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
- bw->bits = 0;
- }
- }
- /* do whole words */
- while(msbits >= FLAC__BITS_PER_WORD) {
- bw->buffer[bw->words++] = 0;
- msbits -= FLAC__BITS_PER_WORD;
- }
- /* do any leftovers */
- if(msbits > 0) {
- bw->accum = 0;
- bw->bits = msbits;
- }
- }
-break1:
- uval |= mask1; /* set stop bit */
- uval &= mask2; /* mask off unused top bits */
-
- left = FLAC__BITS_PER_WORD - bw->bits;
- if(lsbits < left) {
- bw->accum <<= lsbits;
- bw->accum |= uval;
- bw->bits += lsbits;
- }
- else {
- /* if bw->bits == 0, left==FLAC__BITS_PER_WORD which will always
- * be > lsbits (because of previous assertions) so it would have
- * triggered the (lsbits<left) case above.
- */
- FLAC__ASSERT(bw->bits);
- FLAC__ASSERT(left < FLAC__BITS_PER_WORD);
- bw->accum <<= left;
- bw->accum |= uval >> (bw->bits = lsbits - left);
- bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum);
- bw->accum = uval; /* unused top bits can contain garbage */
- }
- }
- vals++;
- nvals--;
- }
- return true;
-}
-
-#if 0 /* UNUSED */
-FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, unsigned parameter)
-{
- unsigned total_bits, msbs, uval;
- unsigned k;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
- FLAC__ASSERT(parameter > 0);
-
- /* fold signed to unsigned */
- if(val < 0)
- uval = (unsigned)(((-(++val)) << 1) + 1);
- else
- uval = (unsigned)(val << 1);
-
- k = FLAC__bitmath_ilog2(parameter);
- if(parameter == 1u<<k) {
- unsigned pattern;
-
- FLAC__ASSERT(k <= 30);
-
- msbs = uval >> k;
- total_bits = 1 + k + msbs;
- pattern = 1 << k; /* the unary end bit */
- pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */
-
- if(total_bits <= 32) {
- if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits))
- return false;
- }
- else {
- /* write the unary MSBs */
- if(!FLAC__bitwriter_write_zeroes(bw, msbs))
- return false;
- /* write the unary end bit and binary LSBs */
- if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1))
- return false;
- }
- }
- else {
- unsigned q, r, d;
-
- d = (1 << (k+1)) - parameter;
- q = uval / parameter;
- r = uval - (q * parameter);
- /* write the unary MSBs */
- if(!FLAC__bitwriter_write_zeroes(bw, q))
- return false;
- /* write the unary end bit */
- if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1))
- return false;
- /* write the binary LSBs */
- if(r >= d) {
- if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1))
- return false;
- }
- else {
- if(!FLAC__bitwriter_write_raw_uint32(bw, r, k))
- return false;
- }
- }
- return true;
-}
-
-FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, unsigned uval, unsigned parameter)
-{
- unsigned total_bits, msbs;
- unsigned k;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
- FLAC__ASSERT(parameter > 0);
-
- k = FLAC__bitmath_ilog2(parameter);
- if(parameter == 1u<<k) {
- unsigned pattern;
-
- FLAC__ASSERT(k <= 30);
-
- msbs = uval >> k;
- total_bits = 1 + k + msbs;
- pattern = 1 << k; /* the unary end bit */
- pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */
-
- if(total_bits <= 32) {
- if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits))
- return false;
- }
- else {
- /* write the unary MSBs */
- if(!FLAC__bitwriter_write_zeroes(bw, msbs))
- return false;
- /* write the unary end bit and binary LSBs */
- if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1))
- return false;
- }
- }
- else {
- unsigned q, r, d;
-
- d = (1 << (k+1)) - parameter;
- q = uval / parameter;
- r = uval - (q * parameter);
- /* write the unary MSBs */
- if(!FLAC__bitwriter_write_zeroes(bw, q))
- return false;
- /* write the unary end bit */
- if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1))
- return false;
- /* write the binary LSBs */
- if(r >= d) {
- if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1))
- return false;
- }
- else {
- if(!FLAC__bitwriter_write_raw_uint32(bw, r, k))
- return false;
- }
- }
- return true;
-}
-#endif /* UNUSED */
-
-FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val)
-{
- FLAC__bool ok = 1;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
-
- if((val & 0x80000000) != 0) /* this version only handles 31 bits */
- return false;
-
- if(val < 0x80) {
- return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, 8);
- }
- else if(val < 0x800) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (val>>6), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
- }
- else if(val < 0x10000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (val>>12), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
- }
- else if(val < 0x200000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (val>>18), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
- }
- else if(val < 0x4000000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (val>>24), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
- }
- else {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (val>>30), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>24)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8);
- }
-
- return ok;
-}
-
-FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val)
-{
- FLAC__bool ok = 1;
-
- FLAC__ASSERT(0 != bw);
- FLAC__ASSERT(0 != bw->buffer);
-
- if((val & FLAC__U64L(0xFFFFFFF000000000)) != 0) /* this version only handles 36 bits */
- return false;
-
- if(val < 0x80) {
- return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 8);
- }
- else if(val < 0x800) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (FLAC__uint32)(val>>6), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
- }
- else if(val < 0x10000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (FLAC__uint32)(val>>12), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
- }
- else if(val < 0x200000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (FLAC__uint32)(val>>18), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
- }
- else if(val < 0x4000000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (FLAC__uint32)(val>>24), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
- }
- else if(val < 0x80000000) {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (FLAC__uint32)(val>>30), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
- }
- else {
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFE, 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>30)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8);
- ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8);
- }
-
- return ok;
-}
-
-FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw)
-{
- /* 0-pad to byte boundary */
- if(bw->bits & 7u)
- return FLAC__bitwriter_write_zeroes(bw, 8 - (bw->bits & 7u));
- else
- return true;
-}
-
-/* These functions are declared inline in this file but are also callable as
- * externs from elsewhere.
- * According to the C99 spec, section 6.7.4, simply providing a function
- * prototype in a header file without 'inline' and making the function inline
- * in this file should be sufficient.
- * Unfortunately, the Microsoft VS compiler doesn't pick them up externally. To
- * fix that we add extern declarations here.
- */
-extern FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, unsigned bits);
-extern FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits);
-extern FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, unsigned bits);
-extern FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, unsigned bits);
-extern FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val);
-extern FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], unsigned nvals);
diff --git a/deps/flac-1.3.2/src/libFLAC/cpu.c b/deps/flac-1.3.2/src/libFLAC/cpu.c
deleted file mode 100644
index da76d87..0000000
--- a/deps/flac-1.3.2/src/libFLAC/cpu.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-#include "share/compat.h"
-#include <stdlib.h>
-#include <string.h>
-
-#if defined(_MSC_VER)
-# include <intrin.h> /* for __cpuid() and _xgetbv() */
-#endif
-
-#if defined __GNUC__ && defined HAVE_CPUID_H
-# include <cpuid.h> /* for __get_cpuid() and __get_cpuid_max() */
-#endif
-
-#ifdef DEBUG
-#include <stdio.h>
-
-#define dfprintf fprintf
-#else
-/* This is bad practice, it should be a static void empty function */
-#define dfprintf(file, format, ...)
-#endif
-
-
-#if defined FLAC__CPU_IA32
-/* these are flags in EDX of CPUID AX=00000001 */
-static const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
-#endif
-
-#if FLAC__HAS_X86INTRIN || FLAC__AVX_SUPPORTED
-/* these are flags in ECX of CPUID AX=00000001 */
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE3 = 0x00000001;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSSE3 = 0x00000200;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE41 = 0x00080000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE42 = 0x00100000;
-
-/* these are flags in ECX of CPUID AX=00000001 */
-static const unsigned FLAC__CPUINFO_IA32_CPUID_OSXSAVE = 0x08000000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX = 0x10000000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_FMA = 0x00001000;
-/* these are flags in EBX of CPUID AX=00000007 */
-static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX2 = 0x00000020;
-#endif
-
-#if defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64
-static uint32_t
-cpu_xgetbv_x86(void)
-{
-#if (defined _MSC_VER || defined __INTEL_COMPILER) && FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED
- return (uint32_t)_xgetbv(0);
-#elif defined __GNUC__
- uint32_t lo, hi;
- asm volatile (".byte 0x0f, 0x01, 0xd0" : "=a"(lo), "=d"(hi) : "c" (0));
- return lo;
-#else
- return 0;
-#endif
-}
-#endif
-
-static void
-ia32_cpu_info (FLAC__CPUInfo *info)
-{
-#if !defined FLAC__CPU_IA32
- (void) info;
-#else
- FLAC__bool ia32_osxsave = false;
- FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
-
-#if !defined FLAC__NO_ASM && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN)
- info->use_asm = true; /* we assume a minimum of 80386 with FLAC__CPU_IA32 */
-#if defined FLAC__HAS_NASM
- if(!FLAC__cpu_have_cpuid_asm_ia32())
- return;
-#endif
- /* http://www.sandpile.org/x86/cpuid.htm */
- if (FLAC__HAS_X86INTRIN) {
- FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->ia32.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
- FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- }
- else {
- FLAC__cpu_info_asm_ia32(&flags_edx, &flags_ecx);
- }
-
- info->ia32.cmov = (flags_edx & FLAC__CPUINFO_IA32_CPUID_CMOV ) ? true : false;
- info->ia32.mmx = (flags_edx & FLAC__CPUINFO_IA32_CPUID_MMX ) ? true : false;
- info->ia32.sse = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE ) ? true : false;
- info->ia32.sse2 = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE2 ) ? true : false;
- info->ia32.sse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 ) ? true : false;
- info->ia32.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3) ? true : false;
- info->ia32.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41) ? true : false;
- info->ia32.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42) ? true : false;
-
- if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
- ia32_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE) ? true : false;
- info->ia32.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX ) ? true : false;
- info->ia32.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA ) ? true : false;
- FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->ia32.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 ) ? true : false;
- }
-
- dfprintf(stderr, "CPU info (IA-32):\n");
- dfprintf(stderr, " CMOV ....... %c\n", info->ia32.cmov ? 'Y' : 'n');
- dfprintf(stderr, " MMX ........ %c\n", info->ia32.mmx ? 'Y' : 'n');
- dfprintf(stderr, " SSE ........ %c\n", info->ia32.sse ? 'Y' : 'n');
- dfprintf(stderr, " SSE2 ....... %c\n", info->ia32.sse2 ? 'Y' : 'n');
- dfprintf(stderr, " SSE3 ....... %c\n", info->ia32.sse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSSE3 ...... %c\n", info->ia32.ssse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSE41 ...... %c\n", info->ia32.sse41 ? 'Y' : 'n');
- dfprintf(stderr, " SSE42 ...... %c\n", info->ia32.sse42 ? 'Y' : 'n');
-
- if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX ........ %c\n", info->ia32.avx ? 'Y' : 'n');
- dfprintf(stderr, " FMA ........ %c\n", info->ia32.fma ? 'Y' : 'n');
- dfprintf(stderr, " AVX2 ....... %c\n", info->ia32.avx2 ? 'Y' : 'n');
- }
-
- /*
- * now have to check for OS support of AVX instructions
- */
- if (!FLAC__HAS_X86INTRIN || !info->ia32.avx || !ia32_osxsave || (cpu_xgetbv_x86() & 0x6) != 0x6) {
- /* no OS AVX support */
- info->ia32.avx = false;
- info->ia32.avx2 = false;
- info->ia32.fma = false;
- }
-
- if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX OS sup . %c\n", info->ia32.avx ? 'Y' : 'n');
- }
-#else
- info->use_asm = false;
-#endif
-#endif
-}
-
-static void
-x86_64_cpu_info (FLAC__CPUInfo *info)
-{
-#if !defined FLAC__NO_ASM && FLAC__HAS_X86INTRIN
- FLAC__bool x86_osxsave = false;
- FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
-
- info->use_asm = true;
-
- /* http://www.sandpile.org/x86/cpuid.htm */
- FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->x86.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
- FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->x86.sse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 ) ? true : false;
- info->x86.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3) ? true : false;
- info->x86.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41) ? true : false;
- info->x86.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42) ? true : false;
-
- if (FLAC__AVX_SUPPORTED) {
- x86_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE) ? true : false;
- info->x86.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX ) ? true : false;
- info->x86.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA ) ? true : false;
- FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->x86.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 ) ? true : false;
- }
-
- dfprintf(stderr, "CPU info (x86-64):\n");
- dfprintf(stderr, " SSE3 ....... %c\n", info->x86.sse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSSE3 ...... %c\n", info->x86.ssse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSE41 ...... %c\n", info->x86.sse41 ? 'Y' : 'n');
- dfprintf(stderr, " SSE42 ...... %c\n", info->x86.sse42 ? 'Y' : 'n');
-
- if (FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX ........ %c\n", info->x86.avx ? 'Y' : 'n');
- dfprintf(stderr, " FMA ........ %c\n", info->x86.fma ? 'Y' : 'n');
- dfprintf(stderr, " AVX2 ....... %c\n", info->x86.avx2 ? 'Y' : 'n');
- }
-
- /*
- * now have to check for OS support of AVX instructions
- */
- if (!info->x86.avx || !x86_osxsave || (cpu_xgetbv_x86() & 0x6) != 0x6) {
- /* no OS AVX support */
- info->x86.avx = false;
- info->x86.avx2 = false;
- info->x86.fma = false;
- }
-
- if (FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX OS sup . %c\n", info->x86.avx ? 'Y' : 'n');
- }
-#else
- /* Silence compiler warnings. */
- (void) info;
-#if defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64
- if (0) cpu_xgetbv_x86 ();
-#endif
-#endif
-}
-
-void FLAC__cpu_info (FLAC__CPUInfo *info)
-{
- memset(info, 0, sizeof(*info));
-
-#ifdef FLAC__CPU_IA32
- info->type = FLAC__CPUINFO_TYPE_IA32;
-#elif defined FLAC__CPU_X86_64
- info->type = FLAC__CPUINFO_TYPE_X86_64;
-#else
- info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
- info->use_asm = false;
-#endif
-
- switch (info->type) {
- case FLAC__CPUINFO_TYPE_IA32:
- ia32_cpu_info (info);
- break;
- case FLAC__CPUINFO_TYPE_X86_64:
- x86_64_cpu_info (info);
- break;
- default:
- info->use_asm = false;
- break;
- }
-}
-
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-
-void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx)
-{
-#if defined _MSC_VER || defined __INTEL_COMPILER
- int cpuinfo[4];
- int ext = level & 0x80000000;
- __cpuid(cpuinfo, ext);
- if((unsigned)cpuinfo[0] >= level) {
-#if FLAC__AVX_SUPPORTED
- __cpuidex(cpuinfo, ext, 0); /* for AVX2 detection */
-#else
- __cpuid(cpuinfo, ext); /* some old compilers don't support __cpuidex */
-#endif
-
- *eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3];
-
- return;
- }
-#elif defined __GNUC__ && defined HAVE_CPUID_H
- FLAC__uint32 ext = level & 0x80000000;
- __cpuid(ext, *eax, *ebx, *ecx, *edx);
- if (*eax >= level) {
- __cpuid_count(level, 0, *eax, *ebx, *ecx, *edx);
-
- return;
- }
-#endif
- *eax = *ebx = *ecx = *edx = 0;
-}
-
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
diff --git a/deps/flac-1.3.2/src/libFLAC/crc.c b/deps/flac-1.3.2/src/libFLAC/crc.c
deleted file mode 100644
index 8123c3b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/crc.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/crc.h"
-
-/* CRC-8, poly = x^8 + x^2 + x^1 + x^0, init = 0 */
-
-FLAC__byte const FLAC__crc8_table[256] = {
- 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
- 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
- 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
- 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
- 0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
- 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
- 0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
- 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
- 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
- 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
- 0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
- 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
- 0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
- 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
- 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
- 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
- 0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
- 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
- 0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
- 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
- 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
- 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
- 0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
- 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
- 0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
- 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
- 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
- 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
- 0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
- 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
- 0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
- 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
-};
-
-/* CRC-16, poly = x^16 + x^15 + x^2 + x^0, init = 0 */
-
-unsigned const FLAC__crc16_table[256] = {
- 0x0000, 0x8005, 0x800f, 0x000a, 0x801b, 0x001e, 0x0014, 0x8011,
- 0x8033, 0x0036, 0x003c, 0x8039, 0x0028, 0x802d, 0x8027, 0x0022,
- 0x8063, 0x0066, 0x006c, 0x8069, 0x0078, 0x807d, 0x8077, 0x0072,
- 0x0050, 0x8055, 0x805f, 0x005a, 0x804b, 0x004e, 0x0044, 0x8041,
- 0x80c3, 0x00c6, 0x00cc, 0x80c9, 0x00d8, 0x80dd, 0x80d7, 0x00d2,
- 0x00f0, 0x80f5, 0x80ff, 0x00fa, 0x80eb, 0x00ee, 0x00e4, 0x80e1,
- 0x00a0, 0x80a5, 0x80af, 0x00aa, 0x80bb, 0x00be, 0x00b4, 0x80b1,
- 0x8093, 0x0096, 0x009c, 0x8099, 0x0088, 0x808d, 0x8087, 0x0082,
- 0x8183, 0x0186, 0x018c, 0x8189, 0x0198, 0x819d, 0x8197, 0x0192,
- 0x01b0, 0x81b5, 0x81bf, 0x01ba, 0x81ab, 0x01ae, 0x01a4, 0x81a1,
- 0x01e0, 0x81e5, 0x81ef, 0x01ea, 0x81fb, 0x01fe, 0x01f4, 0x81f1,
- 0x81d3, 0x01d6, 0x01dc, 0x81d9, 0x01c8, 0x81cd, 0x81c7, 0x01c2,
- 0x0140, 0x8145, 0x814f, 0x014a, 0x815b, 0x015e, 0x0154, 0x8151,
- 0x8173, 0x0176, 0x017c, 0x8179, 0x0168, 0x816d, 0x8167, 0x0162,
- 0x8123, 0x0126, 0x012c, 0x8129, 0x0138, 0x813d, 0x8137, 0x0132,
- 0x0110, 0x8115, 0x811f, 0x011a, 0x810b, 0x010e, 0x0104, 0x8101,
- 0x8303, 0x0306, 0x030c, 0x8309, 0x0318, 0x831d, 0x8317, 0x0312,
- 0x0330, 0x8335, 0x833f, 0x033a, 0x832b, 0x032e, 0x0324, 0x8321,
- 0x0360, 0x8365, 0x836f, 0x036a, 0x837b, 0x037e, 0x0374, 0x8371,
- 0x8353, 0x0356, 0x035c, 0x8359, 0x0348, 0x834d, 0x8347, 0x0342,
- 0x03c0, 0x83c5, 0x83cf, 0x03ca, 0x83db, 0x03de, 0x03d4, 0x83d1,
- 0x83f3, 0x03f6, 0x03fc, 0x83f9, 0x03e8, 0x83ed, 0x83e7, 0x03e2,
- 0x83a3, 0x03a6, 0x03ac, 0x83a9, 0x03b8, 0x83bd, 0x83b7, 0x03b2,
- 0x0390, 0x8395, 0x839f, 0x039a, 0x838b, 0x038e, 0x0384, 0x8381,
- 0x0280, 0x8285, 0x828f, 0x028a, 0x829b, 0x029e, 0x0294, 0x8291,
- 0x82b3, 0x02b6, 0x02bc, 0x82b9, 0x02a8, 0x82ad, 0x82a7, 0x02a2,
- 0x82e3, 0x02e6, 0x02ec, 0x82e9, 0x02f8, 0x82fd, 0x82f7, 0x02f2,
- 0x02d0, 0x82d5, 0x82df, 0x02da, 0x82cb, 0x02ce, 0x02c4, 0x82c1,
- 0x8243, 0x0246, 0x024c, 0x8249, 0x0258, 0x825d, 0x8257, 0x0252,
- 0x0270, 0x8275, 0x827f, 0x027a, 0x826b, 0x026e, 0x0264, 0x8261,
- 0x0220, 0x8225, 0x822f, 0x022a, 0x823b, 0x023e, 0x0234, 0x8231,
- 0x8213, 0x0216, 0x021c, 0x8219, 0x0208, 0x820d, 0x8207, 0x0202
-};
-
-
-void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc)
-{
- *crc = FLAC__crc8_table[*crc ^ data];
-}
-
-void FLAC__crc8_update_block(const FLAC__byte *data, unsigned len, FLAC__uint8 *crc)
-{
- while(len--)
- *crc = FLAC__crc8_table[*crc ^ *data++];
-}
-
-FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len)
-{
- FLAC__uint8 crc = 0;
-
- while(len--)
- crc = FLAC__crc8_table[crc ^ *data++];
-
- return crc;
-}
-
-unsigned FLAC__crc16(const FLAC__byte *data, unsigned len)
-{
- unsigned crc = 0;
-
- while(len--)
- crc = ((crc<<8) ^ FLAC__crc16_table[(crc>>8) ^ *data++]) & 0xffff;
-
- return crc;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/fixed.c b/deps/flac-1.3.2/src/libFLAC/fixed.c
deleted file mode 100644
index 1e2d5b2..0000000
--- a/deps/flac-1.3.2/src/libFLAC/fixed.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <math.h>
-#include <string.h>
-#include "share/compat.h"
-#include "private/bitmath.h"
-#include "private/fixed.h"
-#include "private/macros.h"
-#include "FLAC/assert.h"
-
-#ifdef local_abs
-#undef local_abs
-#endif
-#define local_abs(x) ((unsigned)((x)<0? -(x) : (x)))
-
-#ifdef FLAC__INTEGER_ONLY_LIBRARY
-/* rbps stands for residual bits per sample
- *
- * (ln(2) * err)
- * rbps = log (-----------)
- * 2 ( n )
- */
-static FLAC__fixedpoint local__compute_rbps_integerized(FLAC__uint32 err, FLAC__uint32 n)
-{
- FLAC__uint32 rbps;
- unsigned bits; /* the number of bits required to represent a number */
- int fracbits; /* the number of bits of rbps that comprise the fractional part */
-
- FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint));
- FLAC__ASSERT(err > 0);
- FLAC__ASSERT(n > 0);
-
- FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE);
- if(err <= n)
- return 0;
- /*
- * The above two things tell us 1) n fits in 16 bits; 2) err/n > 1.
- * These allow us later to know we won't lose too much precision in the
- * fixed-point division (err<<fracbits)/n.
- */
-
- fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2(err)+1);
-
- err <<= fracbits;
- err /= n;
- /* err now holds err/n with fracbits fractional bits */
-
- /*
- * Whittle err down to 16 bits max. 16 significant bits is enough for
- * our purposes.
- */
- FLAC__ASSERT(err > 0);
- bits = FLAC__bitmath_ilog2(err)+1;
- if(bits > 16) {
- err >>= (bits-16);
- fracbits -= (bits-16);
- }
- rbps = (FLAC__uint32)err;
-
- /* Multiply by fixed-point version of ln(2), with 16 fractional bits */
- rbps *= FLAC__FP_LN2;
- fracbits += 16;
- FLAC__ASSERT(fracbits >= 0);
-
- /* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */
- {
- const int f = fracbits & 3;
- if(f) {
- rbps >>= f;
- fracbits -= f;
- }
- }
-
- rbps = FLAC__fixedpoint_log2(rbps, fracbits, (unsigned)(-1));
-
- if(rbps == 0)
- return 0;
-
- /*
- * The return value must have 16 fractional bits. Since the whole part
- * of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits
- * must be >= -3, these assertion allows us to be able to shift rbps
- * left if necessary to get 16 fracbits without losing any bits of the
- * whole part of rbps.
- *
- * There is a slight chance due to accumulated error that the whole part
- * will require 6 bits, so we use 6 in the assertion. Really though as
- * long as it fits in 13 bits (32 - (16 - (-3))) we are fine.
- */
- FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6);
- FLAC__ASSERT(fracbits >= -3);
-
- /* now shift the decimal point into place */
- if(fracbits < 16)
- return rbps << (16-fracbits);
- else if(fracbits > 16)
- return rbps >> (fracbits-16);
- else
- return rbps;
-}
-
-static FLAC__fixedpoint local__compute_rbps_wide_integerized(FLAC__uint64 err, FLAC__uint32 n)
-{
- FLAC__uint32 rbps;
- unsigned bits; /* the number of bits required to represent a number */
- int fracbits; /* the number of bits of rbps that comprise the fractional part */
-
- FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint));
- FLAC__ASSERT(err > 0);
- FLAC__ASSERT(n > 0);
-
- FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE);
- if(err <= n)
- return 0;
- /*
- * The above two things tell us 1) n fits in 16 bits; 2) err/n > 1.
- * These allow us later to know we won't lose too much precision in the
- * fixed-point division (err<<fracbits)/n.
- */
-
- fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2_wide(err)+1);
-
- err <<= fracbits;
- err /= n;
- /* err now holds err/n with fracbits fractional bits */
-
- /*
- * Whittle err down to 16 bits max. 16 significant bits is enough for
- * our purposes.
- */
- FLAC__ASSERT(err > 0);
- bits = FLAC__bitmath_ilog2_wide(err)+1;
- if(bits > 16) {
- err >>= (bits-16);
- fracbits -= (bits-16);
- }
- rbps = (FLAC__uint32)err;
-
- /* Multiply by fixed-point version of ln(2), with 16 fractional bits */
- rbps *= FLAC__FP_LN2;
- fracbits += 16;
- FLAC__ASSERT(fracbits >= 0);
-
- /* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */
- {
- const int f = fracbits & 3;
- if(f) {
- rbps >>= f;
- fracbits -= f;
- }
- }
-
- rbps = FLAC__fixedpoint_log2(rbps, fracbits, (unsigned)(-1));
-
- if(rbps == 0)
- return 0;
-
- /*
- * The return value must have 16 fractional bits. Since the whole part
- * of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits
- * must be >= -3, these assertion allows us to be able to shift rbps
- * left if necessary to get 16 fracbits without losing any bits of the
- * whole part of rbps.
- *
- * There is a slight chance due to accumulated error that the whole part
- * will require 6 bits, so we use 6 in the assertion. Really though as
- * long as it fits in 13 bits (32 - (16 - (-3))) we are fine.
- */
- FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6);
- FLAC__ASSERT(fracbits >= -3);
-
- /* now shift the decimal point into place */
- if(fracbits < 16)
- return rbps << (16-fracbits);
- else if(fracbits > 16)
- return rbps >> (fracbits-16);
- else
- return rbps;
-}
-#endif
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
-#else
-unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
-#endif
-{
- FLAC__int32 last_error_0 = data[-1];
- FLAC__int32 last_error_1 = data[-1] - data[-2];
- FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
- FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
- FLAC__int32 error, save;
- FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
- unsigned i, order;
-
- for(i = 0; i < data_len; i++) {
- error = data[i] ; total_error_0 += local_abs(error); save = error;
- error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
- error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
- error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
- error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
- }
-
- if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
- order = 0;
- else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
- order = 1;
- else if(total_error_2 < flac_min(total_error_3, total_error_4))
- order = 2;
- else if(total_error_3 < total_error_4)
- order = 3;
- else
- order = 4;
-
- /* Estimate the expected number of bits per residual signal sample. */
- /* 'total_error*' is linearly related to the variance of the residual */
- /* signal, so we use it directly to compute E(|x|) */
- FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-#else
- residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_integerized(total_error_0, data_len) : 0;
- residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_integerized(total_error_1, data_len) : 0;
- residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_integerized(total_error_2, data_len) : 0;
- residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_integerized(total_error_3, data_len) : 0;
- residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_integerized(total_error_4, data_len) : 0;
-#endif
-
- return order;
-}
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
-#else
-unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
-#endif
-{
- FLAC__int32 last_error_0 = data[-1];
- FLAC__int32 last_error_1 = data[-1] - data[-2];
- FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
- FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
- FLAC__int32 error, save;
- /* total_error_* are 64-bits to avoid overflow when encoding
- * erratic signals when the bits-per-sample and blocksize are
- * large.
- */
- FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
- unsigned i, order;
-
- for(i = 0; i < data_len; i++) {
- error = data[i] ; total_error_0 += local_abs(error); save = error;
- error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
- error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
- error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
- error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
- }
-
- if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
- order = 0;
- else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
- order = 1;
- else if(total_error_2 < flac_min(total_error_3, total_error_4))
- order = 2;
- else if(total_error_3 < total_error_4)
- order = 3;
- else
- order = 4;
-
- /* Estimate the expected number of bits per residual signal sample. */
- /* 'total_error*' is linearly related to the variance of the residual */
- /* signal, so we use it directly to compute E(|x|) */
- FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-#else
- residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_wide_integerized(total_error_0, data_len) : 0;
- residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_wide_integerized(total_error_1, data_len) : 0;
- residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_wide_integerized(total_error_2, data_len) : 0;
- residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_wide_integerized(total_error_3, data_len) : 0;
- residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_wide_integerized(total_error_4, data_len) : 0;
-#endif
-
- return order;
-}
-
-void FLAC__fixed_compute_residual(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[])
-{
- const int idata_len = (int)data_len;
- int i;
-
- switch(order) {
- case 0:
- FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
- memcpy(residual, data, sizeof(residual[0])*data_len);
- break;
- case 1:
- for(i = 0; i < idata_len; i++)
- residual[i] = data[i] - data[i-1];
- break;
- case 2:
- for(i = 0; i < idata_len; i++)
- residual[i] = data[i] - 2*data[i-1] + data[i-2];
- break;
- case 3:
- for(i = 0; i < idata_len; i++)
- residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3];
- break;
- case 4:
- for(i = 0; i < idata_len; i++)
- residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4];
- break;
- default:
- FLAC__ASSERT(0);
- }
-}
-
-void FLAC__fixed_restore_signal(const FLAC__int32 residual[], unsigned data_len, unsigned order, FLAC__int32 data[])
-{
- int i, idata_len = (int)data_len;
-
- switch(order) {
- case 0:
- FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
- memcpy(data, residual, sizeof(residual[0])*data_len);
- break;
- case 1:
- for(i = 0; i < idata_len; i++)
- data[i] = residual[i] + data[i-1];
- break;
- case 2:
- for(i = 0; i < idata_len; i++)
- data[i] = residual[i] + 2*data[i-1] - data[i-2];
- break;
- case 3:
- for(i = 0; i < idata_len; i++)
- data[i] = residual[i] + 3*data[i-1] - 3*data[i-2] + data[i-3];
- break;
- case 4:
- for(i = 0; i < idata_len; i++)
- data[i] = residual[i] + 4*data[i-1] - 6*data[i-2] + 4*data[i-3] - data[i-4];
- break;
- default:
- FLAC__ASSERT(0);
- }
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/fixed_intrin_sse2.c b/deps/flac-1.3.2/src/libFLAC/fixed_intrin_sse2.c
deleted file mode 100644
index 6a9b4dd..0000000
--- a/deps/flac-1.3.2/src/libFLAC/fixed_intrin_sse2.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
-#include "private/fixed.h"
-#ifdef FLAC__SSE2_SUPPORTED
-
-#include <emmintrin.h> /* SSE2 */
-#include <math.h>
-#include "private/macros.h"
-#include "share/compat.h"
-#include "FLAC/assert.h"
-
-#ifdef FLAC__CPU_IA32
-#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src)
-#else
-#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src)
-#endif
-
-FLAC__SSE_TARGET("sse2")
-unsigned FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
-{
- FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
- unsigned i, order;
-
- __m128i total_err0, total_err1, total_err2;
-
- {
- FLAC__int32 itmp;
- __m128i last_error;
-
- last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
- itmp = data[-2];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
- itmp -= data[-3];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
- itmp -= data[-3] - data[-4];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
-
- total_err0 = total_err1 = _mm_setzero_si128();
- for(i = 0; i < data_len; i++) {
- __m128i err0, err1, tmp;
- err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
- err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
-#if 1 /* OPT_SSE */
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#else
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#endif
- tmp = _mm_slli_si128(err0, 12); // e0 0 0 0
- last_error = _mm_srli_si128(err1, 4); // 0 e1 e2 e3
- last_error = _mm_or_si128(last_error, tmp); // e0 e1 e2 e3
-
- tmp = _mm_srai_epi32(err0, 31);
- err0 = _mm_xor_si128(err0, tmp);
- err0 = _mm_sub_epi32(err0, tmp);
- tmp = _mm_srai_epi32(err1, 31);
- err1 = _mm_xor_si128(err1, tmp);
- err1 = _mm_sub_epi32(err1, tmp);
-
- total_err0 = _mm_add_epi32(total_err0, err0); // 0 0 0 te0
- total_err1 = _mm_add_epi32(total_err1, err1); // te1 te2 te3 te4
- }
- }
-
- total_error_0 = _mm_cvtsi128_si32(total_err0);
- total_err2 = total_err1; // te1 te2 te3 te4
- total_err1 = _mm_srli_si128(total_err1, 8); // 0 0 te1 te2
- total_error_4 = _mm_cvtsi128_si32(total_err2);
- total_error_2 = _mm_cvtsi128_si32(total_err1);
- total_err2 = _mm_srli_si128(total_err2, 4); // 0 te1 te2 te3
- total_err1 = _mm_srli_si128(total_err1, 4); // 0 0 0 te1
- total_error_3 = _mm_cvtsi128_si32(total_err2);
- total_error_1 = _mm_cvtsi128_si32(total_err1);
-
- /* prefer higher order */
- if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
- order = 0;
- else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
- order = 1;
- else if(total_error_2 < flac_min(total_error_3, total_error_4))
- order = 2;
- else if(total_error_3 < total_error_4)
- order = 3;
- else
- order = 4;
-
- /* Estimate the expected number of bits per residual signal sample. */
- /* 'total_error*' is linearly related to the variance of the residual */
- /* signal, so we use it directly to compute E(|x|) */
- FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
-
- residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-
- return order;
-}
-
-FLAC__SSE_TARGET("sse2")
-unsigned FLAC__fixed_compute_best_predictor_wide_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
-{
- FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
- unsigned i, order;
-
- __m128i total_err0, total_err1, total_err3;
-
- {
- FLAC__int32 itmp;
- __m128i last_error, zero = _mm_setzero_si128();
-
- last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
- itmp = data[-2];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
- itmp -= data[-3];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
- itmp -= data[-3] - data[-4];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
-
- total_err0 = total_err1 = total_err3 = _mm_setzero_si128();
- for(i = 0; i < data_len; i++) {
- __m128i err0, err1, tmp;
- err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
- err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
-#if 1 /* OPT_SSE */
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#else
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#endif
- tmp = _mm_slli_si128(err0, 12); // e0 0 0 0
- last_error = _mm_srli_si128(err1, 4); // 0 e1 e2 e3
- last_error = _mm_or_si128(last_error, tmp); // e0 e1 e2 e3
-
- tmp = _mm_srai_epi32(err0, 31);
- err0 = _mm_xor_si128(err0, tmp);
- err0 = _mm_sub_epi32(err0, tmp);
- tmp = _mm_srai_epi32(err1, 31);
- err1 = _mm_xor_si128(err1, tmp);
- err1 = _mm_sub_epi32(err1, tmp);
-
- total_err0 = _mm_add_epi64(total_err0, err0); // 0 te0
- err0 = _mm_unpacklo_epi32(err1, zero); // 0 |e3| 0 |e4|
- err1 = _mm_unpackhi_epi32(err1, zero); // 0 |e1| 0 |e2|
- total_err3 = _mm_add_epi64(total_err3, err0); // te3 te4
- total_err1 = _mm_add_epi64(total_err1, err1); // te1 te2
- }
- }
-
- m128i_to_i64(total_error_0, total_err0);
- m128i_to_i64(total_error_4, total_err3);
- m128i_to_i64(total_error_2, total_err1);
- total_err3 = _mm_srli_si128(total_err3, 8); // 0 te3
- total_err1 = _mm_srli_si128(total_err1, 8); // 0 te1
- m128i_to_i64(total_error_3, total_err3);
- m128i_to_i64(total_error_1, total_err1);
-
- /* prefer higher order */
- if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
- order = 0;
- else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
- order = 1;
- else if(total_error_2 < flac_min(total_error_3, total_error_4))
- order = 2;
- else if(total_error_3 < total_error_4)
- order = 3;
- else
- order = 4;
-
- /* Estimate the expected number of bits per residual signal sample. */
- /* 'total_error*' is linearly related to the variance of the residual */
- /* signal, so we use it directly to compute E(|x|) */
- FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
-
- residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-
- return order;
-}
-
-#endif /* FLAC__SSE2_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
-#endif /* FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/fixed_intrin_ssse3.c b/deps/flac-1.3.2/src/libFLAC/fixed_intrin_ssse3.c
deleted file mode 100644
index f4d93e8..0000000
--- a/deps/flac-1.3.2/src/libFLAC/fixed_intrin_ssse3.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/fixed.h"
-#ifdef FLAC__SSSE3_SUPPORTED
-
-#include <tmmintrin.h> /* SSSE3 */
-#include <math.h>
-#include "private/macros.h"
-#include "share/compat.h"
-#include "FLAC/assert.h"
-
-#ifdef FLAC__CPU_IA32
-#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src)
-#else
-#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src)
-#endif
-
-FLAC__SSE_TARGET("ssse3")
-unsigned FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
-{
- FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
- unsigned i, order;
-
- __m128i total_err0, total_err1, total_err2;
-
- {
- FLAC__int32 itmp;
- __m128i last_error;
-
- last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
- itmp = data[-2];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
- itmp -= data[-3];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
- itmp -= data[-3] - data[-4];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
-
- total_err0 = total_err1 = _mm_setzero_si128();
- for(i = 0; i < data_len; i++) {
- __m128i err0, err1;
- err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
- err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
-#if 1 /* OPT_SSE */
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#else
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#endif
- last_error = _mm_alignr_epi8(err0, err1, 4); // e0 e1 e2 e3
-
- err0 = _mm_abs_epi32(err0);
- err1 = _mm_abs_epi32(err1);
-
- total_err0 = _mm_add_epi32(total_err0, err0); // 0 0 0 te0
- total_err1 = _mm_add_epi32(total_err1, err1); // te1 te2 te3 te4
- }
- }
-
- total_error_0 = _mm_cvtsi128_si32(total_err0);
- total_err2 = total_err1; // te1 te2 te3 te4
- total_err1 = _mm_srli_si128(total_err1, 8); // 0 0 te1 te2
- total_error_4 = _mm_cvtsi128_si32(total_err2);
- total_error_2 = _mm_cvtsi128_si32(total_err1);
- total_err2 = _mm_srli_si128(total_err2, 4); // 0 te1 te2 te3
- total_err1 = _mm_srli_si128(total_err1, 4); // 0 0 0 te1
- total_error_3 = _mm_cvtsi128_si32(total_err2);
- total_error_1 = _mm_cvtsi128_si32(total_err1);
-
- /* prefer higher order */
- if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
- order = 0;
- else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
- order = 1;
- else if(total_error_2 < flac_min(total_error_3, total_error_4))
- order = 2;
- else if(total_error_3 < total_error_4)
- order = 3;
- else
- order = 4;
-
- /* Estimate the expected number of bits per residual signal sample. */
- /* 'total_error*' is linearly related to the variance of the residual */
- /* signal, so we use it directly to compute E(|x|) */
- FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
-
- residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-
- return order;
-}
-
-FLAC__SSE_TARGET("ssse3")
-unsigned FLAC__fixed_compute_best_predictor_wide_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1])
-{
- FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4;
- unsigned i, order;
-
- __m128i total_err0, total_err1, total_err3;
-
- {
- FLAC__int32 itmp;
- __m128i last_error, zero = _mm_setzero_si128();
-
- last_error = _mm_cvtsi32_si128(data[-1]); // 0 0 0 le0
- itmp = data[-2];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 0 le0 le1
- itmp -= data[-3];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // 0 le0 le1 le2
- itmp -= data[-3] - data[-4];
- last_error = _mm_shuffle_epi32(last_error, _MM_SHUFFLE(2,1,0,0));
- last_error = _mm_sub_epi32(last_error, _mm_cvtsi32_si128(itmp)); // le0 le1 le2 le3
-
- total_err0 = total_err1 = total_err3 = _mm_setzero_si128();
- for(i = 0; i < data_len; i++) {
- __m128i err0, err1;
- err0 = _mm_cvtsi32_si128(data[i]); // 0 0 0 e0
- err1 = _mm_shuffle_epi32(err0, _MM_SHUFFLE(0,0,0,0)); // e0 e0 e0 e0
-#if 1 /* OPT_SSE */
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 le0 le1 le2
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 le0 le1
- err1 = _mm_sub_epi32(err1, last_error);
- last_error = _mm_srli_si128(last_error, 4); // 0 0 0 le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#else
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 8)); // le0 le1 le2+le0 le3+le1
- last_error = _mm_add_epi32(last_error, _mm_srli_si128(last_error, 4)); // le0 le1+le0 le2+le0+le1 le3+le1+le2+le0
- err1 = _mm_sub_epi32(err1, last_error); // e1 e2 e3 e4
-#endif
- last_error = _mm_alignr_epi8(err0, err1, 4); // e0 e1 e2 e3
-
- err0 = _mm_abs_epi32(err0);
- err1 = _mm_abs_epi32(err1); // |e1| |e2| |e3| |e4|
-
- total_err0 = _mm_add_epi64(total_err0, err0); // 0 te0
- err0 = _mm_unpacklo_epi32(err1, zero); // 0 |e3| 0 |e4|
- err1 = _mm_unpackhi_epi32(err1, zero); // 0 |e1| 0 |e2|
- total_err3 = _mm_add_epi64(total_err3, err0); // te3 te4
- total_err1 = _mm_add_epi64(total_err1, err1); // te1 te2
- }
- }
-
- m128i_to_i64(total_error_0, total_err0);
- m128i_to_i64(total_error_4, total_err3);
- m128i_to_i64(total_error_2, total_err1);
- total_err3 = _mm_srli_si128(total_err3, 8); // 0 te3
- total_err1 = _mm_srli_si128(total_err1, 8); // 0 te1
- m128i_to_i64(total_error_3, total_err3);
- m128i_to_i64(total_error_1, total_err1);
-
- /* prefer higher order */
- if(total_error_0 < flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4))
- order = 0;
- else if(total_error_1 < flac_min(flac_min(total_error_2, total_error_3), total_error_4))
- order = 1;
- else if(total_error_2 < flac_min(total_error_3, total_error_4))
- order = 2;
- else if(total_error_3 < total_error_4)
- order = 3;
- else
- order = 4;
-
- /* Estimate the expected number of bits per residual signal sample. */
- /* 'total_error*' is linearly related to the variance of the residual */
- /* signal, so we use it directly to compute E(|x|) */
- FLAC__ASSERT(data_len > 0 || total_error_0 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_1 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_2 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_3 == 0);
- FLAC__ASSERT(data_len > 0 || total_error_4 == 0);
-
- residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-
- return order;
-}
-
-#endif /* FLAC__SSSE3_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
-#endif /* FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/flac.pc.in b/deps/flac-1.3.2/src/libFLAC/flac.pc.in
deleted file mode 100644
index 56e8594..0000000
--- a/deps/flac-1.3.2/src/libFLAC/flac.pc.in
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: FLAC
-Description: Free Lossless Audio Codec Library
-Version: @VERSION@
-Requires.private: @OGG_PACKAGE@
-Libs: -L${libdir} -lFLAC
-Libs.private: -lm
-Cflags: -I${includedir}
diff --git a/deps/flac-1.3.2/src/libFLAC/float.c b/deps/flac-1.3.2/src/libFLAC/float.c
deleted file mode 100644
index 25d1a78..0000000
--- a/deps/flac-1.3.2/src/libFLAC/float.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2004-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "FLAC/assert.h"
-#include "share/compat.h"
-#include "private/float.h"
-
-#ifdef FLAC__INTEGER_ONLY_LIBRARY
-
-const FLAC__fixedpoint FLAC__FP_ZERO = 0;
-const FLAC__fixedpoint FLAC__FP_ONE_HALF = 0x00008000;
-const FLAC__fixedpoint FLAC__FP_ONE = 0x00010000;
-const FLAC__fixedpoint FLAC__FP_LN2 = 45426;
-const FLAC__fixedpoint FLAC__FP_E = 178145;
-
-/* Lookup tables for Knuth's logarithm algorithm */
-#define LOG2_LOOKUP_PRECISION 16
-static const FLAC__uint32 log2_lookup[][LOG2_LOOKUP_PRECISION] = {
- {
- /*
- * 0 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x00000001,
- /* lg(4/3) = */ 0x00000000,
- /* lg(8/7) = */ 0x00000000,
- /* lg(16/15) = */ 0x00000000,
- /* lg(32/31) = */ 0x00000000,
- /* lg(64/63) = */ 0x00000000,
- /* lg(128/127) = */ 0x00000000,
- /* lg(256/255) = */ 0x00000000,
- /* lg(512/511) = */ 0x00000000,
- /* lg(1024/1023) = */ 0x00000000,
- /* lg(2048/2047) = */ 0x00000000,
- /* lg(4096/4095) = */ 0x00000000,
- /* lg(8192/8191) = */ 0x00000000,
- /* lg(16384/16383) = */ 0x00000000,
- /* lg(32768/32767) = */ 0x00000000
- },
- {
- /*
- * 4 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x00000010,
- /* lg(4/3) = */ 0x00000007,
- /* lg(8/7) = */ 0x00000003,
- /* lg(16/15) = */ 0x00000001,
- /* lg(32/31) = */ 0x00000001,
- /* lg(64/63) = */ 0x00000000,
- /* lg(128/127) = */ 0x00000000,
- /* lg(256/255) = */ 0x00000000,
- /* lg(512/511) = */ 0x00000000,
- /* lg(1024/1023) = */ 0x00000000,
- /* lg(2048/2047) = */ 0x00000000,
- /* lg(4096/4095) = */ 0x00000000,
- /* lg(8192/8191) = */ 0x00000000,
- /* lg(16384/16383) = */ 0x00000000,
- /* lg(32768/32767) = */ 0x00000000
- },
- {
- /*
- * 8 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x00000100,
- /* lg(4/3) = */ 0x0000006a,
- /* lg(8/7) = */ 0x00000031,
- /* lg(16/15) = */ 0x00000018,
- /* lg(32/31) = */ 0x0000000c,
- /* lg(64/63) = */ 0x00000006,
- /* lg(128/127) = */ 0x00000003,
- /* lg(256/255) = */ 0x00000001,
- /* lg(512/511) = */ 0x00000001,
- /* lg(1024/1023) = */ 0x00000000,
- /* lg(2048/2047) = */ 0x00000000,
- /* lg(4096/4095) = */ 0x00000000,
- /* lg(8192/8191) = */ 0x00000000,
- /* lg(16384/16383) = */ 0x00000000,
- /* lg(32768/32767) = */ 0x00000000
- },
- {
- /*
- * 12 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x00001000,
- /* lg(4/3) = */ 0x000006a4,
- /* lg(8/7) = */ 0x00000315,
- /* lg(16/15) = */ 0x0000017d,
- /* lg(32/31) = */ 0x000000bc,
- /* lg(64/63) = */ 0x0000005d,
- /* lg(128/127) = */ 0x0000002e,
- /* lg(256/255) = */ 0x00000017,
- /* lg(512/511) = */ 0x0000000c,
- /* lg(1024/1023) = */ 0x00000006,
- /* lg(2048/2047) = */ 0x00000003,
- /* lg(4096/4095) = */ 0x00000001,
- /* lg(8192/8191) = */ 0x00000001,
- /* lg(16384/16383) = */ 0x00000000,
- /* lg(32768/32767) = */ 0x00000000
- },
- {
- /*
- * 16 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x00010000,
- /* lg(4/3) = */ 0x00006a40,
- /* lg(8/7) = */ 0x00003151,
- /* lg(16/15) = */ 0x000017d6,
- /* lg(32/31) = */ 0x00000bba,
- /* lg(64/63) = */ 0x000005d1,
- /* lg(128/127) = */ 0x000002e6,
- /* lg(256/255) = */ 0x00000172,
- /* lg(512/511) = */ 0x000000b9,
- /* lg(1024/1023) = */ 0x0000005c,
- /* lg(2048/2047) = */ 0x0000002e,
- /* lg(4096/4095) = */ 0x00000017,
- /* lg(8192/8191) = */ 0x0000000c,
- /* lg(16384/16383) = */ 0x00000006,
- /* lg(32768/32767) = */ 0x00000003
- },
- {
- /*
- * 20 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x00100000,
- /* lg(4/3) = */ 0x0006a3fe,
- /* lg(8/7) = */ 0x00031513,
- /* lg(16/15) = */ 0x00017d60,
- /* lg(32/31) = */ 0x0000bb9d,
- /* lg(64/63) = */ 0x00005d10,
- /* lg(128/127) = */ 0x00002e59,
- /* lg(256/255) = */ 0x00001721,
- /* lg(512/511) = */ 0x00000b8e,
- /* lg(1024/1023) = */ 0x000005c6,
- /* lg(2048/2047) = */ 0x000002e3,
- /* lg(4096/4095) = */ 0x00000171,
- /* lg(8192/8191) = */ 0x000000b9,
- /* lg(16384/16383) = */ 0x0000005c,
- /* lg(32768/32767) = */ 0x0000002e
- },
- {
- /*
- * 24 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x01000000,
- /* lg(4/3) = */ 0x006a3fe6,
- /* lg(8/7) = */ 0x00315130,
- /* lg(16/15) = */ 0x0017d605,
- /* lg(32/31) = */ 0x000bb9ca,
- /* lg(64/63) = */ 0x0005d0fc,
- /* lg(128/127) = */ 0x0002e58f,
- /* lg(256/255) = */ 0x0001720e,
- /* lg(512/511) = */ 0x0000b8d8,
- /* lg(1024/1023) = */ 0x00005c61,
- /* lg(2048/2047) = */ 0x00002e2d,
- /* lg(4096/4095) = */ 0x00001716,
- /* lg(8192/8191) = */ 0x00000b8b,
- /* lg(16384/16383) = */ 0x000005c5,
- /* lg(32768/32767) = */ 0x000002e3
- },
- {
- /*
- * 28 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ 0x10000000,
- /* lg(4/3) = */ 0x06a3fe5c,
- /* lg(8/7) = */ 0x03151301,
- /* lg(16/15) = */ 0x017d6049,
- /* lg(32/31) = */ 0x00bb9ca6,
- /* lg(64/63) = */ 0x005d0fba,
- /* lg(128/127) = */ 0x002e58f7,
- /* lg(256/255) = */ 0x001720da,
- /* lg(512/511) = */ 0x000b8d87,
- /* lg(1024/1023) = */ 0x0005c60b,
- /* lg(2048/2047) = */ 0x0002e2d7,
- /* lg(4096/4095) = */ 0x00017160,
- /* lg(8192/8191) = */ 0x0000b8ad,
- /* lg(16384/16383) = */ 0x00005c56,
- /* lg(32768/32767) = */ 0x00002e2b
- }
-};
-
-#if 0
-static const FLAC__uint64 log2_lookup_wide[] = {
- {
- /*
- * 32 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ FLAC__U64L(0x100000000),
- /* lg(4/3) = */ FLAC__U64L(0x6a3fe5c6),
- /* lg(8/7) = */ FLAC__U64L(0x31513015),
- /* lg(16/15) = */ FLAC__U64L(0x17d60497),
- /* lg(32/31) = */ FLAC__U64L(0x0bb9ca65),
- /* lg(64/63) = */ FLAC__U64L(0x05d0fba2),
- /* lg(128/127) = */ FLAC__U64L(0x02e58f74),
- /* lg(256/255) = */ FLAC__U64L(0x01720d9c),
- /* lg(512/511) = */ FLAC__U64L(0x00b8d875),
- /* lg(1024/1023) = */ FLAC__U64L(0x005c60aa),
- /* lg(2048/2047) = */ FLAC__U64L(0x002e2d72),
- /* lg(4096/4095) = */ FLAC__U64L(0x00171600),
- /* lg(8192/8191) = */ FLAC__U64L(0x000b8ad2),
- /* lg(16384/16383) = */ FLAC__U64L(0x0005c55d),
- /* lg(32768/32767) = */ FLAC__U64L(0x0002e2ac)
- },
- {
- /*
- * 48 fraction bits
- */
- /* undefined */ 0x00000000,
- /* lg(2/1) = */ FLAC__U64L(0x1000000000000),
- /* lg(4/3) = */ FLAC__U64L(0x6a3fe5c60429),
- /* lg(8/7) = */ FLAC__U64L(0x315130157f7a),
- /* lg(16/15) = */ FLAC__U64L(0x17d60496cfbb),
- /* lg(32/31) = */ FLAC__U64L(0xbb9ca64ecac),
- /* lg(64/63) = */ FLAC__U64L(0x5d0fba187cd),
- /* lg(128/127) = */ FLAC__U64L(0x2e58f7441ee),
- /* lg(256/255) = */ FLAC__U64L(0x1720d9c06a8),
- /* lg(512/511) = */ FLAC__U64L(0xb8d8752173),
- /* lg(1024/1023) = */ FLAC__U64L(0x5c60aa252e),
- /* lg(2048/2047) = */ FLAC__U64L(0x2e2d71b0d8),
- /* lg(4096/4095) = */ FLAC__U64L(0x1716001719),
- /* lg(8192/8191) = */ FLAC__U64L(0xb8ad1de1b),
- /* lg(16384/16383) = */ FLAC__U64L(0x5c55d640d),
- /* lg(32768/32767) = */ FLAC__U64L(0x2e2abcf52)
- }
-};
-#endif
-
-FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, unsigned fracbits, unsigned precision)
-{
- const FLAC__uint32 ONE = (1u << fracbits);
- const FLAC__uint32 *table = log2_lookup[fracbits >> 2];
-
- FLAC__ASSERT(fracbits < 32);
- FLAC__ASSERT((fracbits & 0x3) == 0);
-
- if(x < ONE)
- return 0;
-
- if(precision > LOG2_LOOKUP_PRECISION)
- precision = LOG2_LOOKUP_PRECISION;
-
- /* Knuth's algorithm for computing logarithms, optimized for base-2 with lookup tables */
- {
- FLAC__uint32 y = 0;
- FLAC__uint32 z = x >> 1, k = 1;
- while (x > ONE && k < precision) {
- if (x - z >= ONE) {
- x -= z;
- z = x >> k;
- y += table[k];
- }
- else {
- z >>= 1;
- k++;
- }
- }
- return y;
- }
-}
-
-#endif /* defined FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/format.c b/deps/flac-1.3.2/src/libFLAC/format.c
deleted file mode 100644
index 214bd09..0000000
--- a/deps/flac-1.3.2/src/libFLAC/format.c
+++ /dev/null
@@ -1,589 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h> /* for qsort() */
-#include <string.h> /* for memset() */
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-#include "share/alloc.h"
-#include "share/compat.h"
-#include "private/format.h"
-#include "private/macros.h"
-
-/* PACKAGE_VERSION should come from configure */
-FLAC_API const char *FLAC__VERSION_STRING = PACKAGE_VERSION;
-
-FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " PACKAGE_VERSION " 20170101";
-
-FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
-FLAC_API const unsigned FLAC__STREAM_SYNC = 0x664C6143;
-FLAC_API const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
-
-FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = FLAC__U64L(0xffffffffffffffff);
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN = 64; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN = 8; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN = 3*8; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN = 64; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN = 8; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN = 12*8; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN = 1; /* bit */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN = 1; /* bit */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN = 6+13*8; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN = 8; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN = 128*8; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN = 64; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN = 1; /* bit */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN = 7+258*8; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN = 8; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_TYPE_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_COLORS_LEN = 32; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN = 32; /* bits */
-
-FLAC_API const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
-FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
-
-FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC = 0x3ffe;
-FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_RESERVED_LEN = 1; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN = 1; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
-FLAC_API const unsigned FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */
-
-FLAC_API const unsigned FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */
-
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN = 5; /* bits */
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
-
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
-FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER = 31; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN)-1 */
-
-FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[] = {
- "PARTITIONED_RICE",
- "PARTITIONED_RICE2"
-};
-
-FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
-FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
-
-FLAC_API const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */
-FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */
-FLAC_API const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */
-
-FLAC_API const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00;
-FLAC_API const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02;
-FLAC_API const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10;
-FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40;
-
-FLAC_API const char * const FLAC__SubframeTypeString[] = {
- "CONSTANT",
- "VERBATIM",
- "FIXED",
- "LPC"
-};
-
-FLAC_API const char * const FLAC__ChannelAssignmentString[] = {
- "INDEPENDENT",
- "LEFT_SIDE",
- "RIGHT_SIDE",
- "MID_SIDE"
-};
-
-FLAC_API const char * const FLAC__FrameNumberTypeString[] = {
- "FRAME_NUMBER_TYPE_FRAME_NUMBER",
- "FRAME_NUMBER_TYPE_SAMPLE_NUMBER"
-};
-
-FLAC_API const char * const FLAC__MetadataTypeString[] = {
- "STREAMINFO",
- "PADDING",
- "APPLICATION",
- "SEEKTABLE",
- "VORBIS_COMMENT",
- "CUESHEET",
- "PICTURE"
-};
-
-FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[] = {
- "Other",
- "32x32 pixels 'file icon' (PNG only)",
- "Other file icon",
- "Cover (front)",
- "Cover (back)",
- "Leaflet page",
- "Media (e.g. label side of CD)",
- "Lead artist/lead performer/soloist",
- "Artist/performer",
- "Conductor",
- "Band/Orchestra",
- "Composer",
- "Lyricist/text writer",
- "Recording Location",
- "During recording",
- "During performance",
- "Movie/video screen capture",
- "A bright coloured fish",
- "Illustration",
- "Band/artist logotype",
- "Publisher/Studio logotype"
-};
-
-FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate)
-{
- if(sample_rate == 0 || sample_rate > FLAC__MAX_SAMPLE_RATE) {
- return false;
- }
- else
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(unsigned blocksize, unsigned sample_rate)
-{
- if(blocksize > 16384)
- return false;
- else if(sample_rate <= 48000 && blocksize > 4608)
- return false;
- else
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(unsigned sample_rate)
-{
- if(
- !FLAC__format_sample_rate_is_valid(sample_rate) ||
- (
- sample_rate >= (1u << 16) &&
- !(sample_rate % 1000 == 0 || sample_rate % 10 == 0)
- )
- ) {
- return false;
- }
- else
- return true;
-}
-
-/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
-FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table)
-{
- unsigned i;
- FLAC__uint64 prev_sample_number = 0;
- FLAC__bool got_prev = false;
-
- FLAC__ASSERT(0 != seek_table);
-
- for(i = 0; i < seek_table->num_points; i++) {
- if(got_prev) {
- if(
- seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER &&
- seek_table->points[i].sample_number <= prev_sample_number
- )
- return false;
- }
- prev_sample_number = seek_table->points[i].sample_number;
- got_prev = true;
- }
-
- return true;
-}
-
-/* used as the sort predicate for qsort() */
-static int seekpoint_compare_(const FLAC__StreamMetadata_SeekPoint *l, const FLAC__StreamMetadata_SeekPoint *r)
-{
- /* we don't just 'return l->sample_number - r->sample_number' since the result (FLAC__int64) might overflow an 'int' */
- if(l->sample_number == r->sample_number)
- return 0;
- else if(l->sample_number < r->sample_number)
- return -1;
- else
- return 1;
-}
-
-/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
-FLAC_API unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table)
-{
- unsigned i, j;
- FLAC__bool first;
-
- FLAC__ASSERT(0 != seek_table);
-
- if (seek_table->num_points == 0)
- return 0;
-
- /* sort the seekpoints */
- qsort(seek_table->points, seek_table->num_points, sizeof(FLAC__StreamMetadata_SeekPoint), (int (*)(const void *, const void *))seekpoint_compare_);
-
- /* uniquify the seekpoints */
- first = true;
- for(i = j = 0; i < seek_table->num_points; i++) {
- if(seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
- if(!first) {
- if(seek_table->points[i].sample_number == seek_table->points[j-1].sample_number)
- continue;
- }
- }
- first = false;
- seek_table->points[j++] = seek_table->points[i];
- }
-
- for(i = j; i < seek_table->num_points; i++) {
- seek_table->points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
-
- return j;
-}
-
-/*
- * also disallows non-shortest-form encodings, c.f.
- * http://www.unicode.org/versions/corrigendum1.html
- * and a more clear explanation at the end of this section:
- * http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
- */
-static unsigned utf8len_(const FLAC__byte *utf8)
-{
- FLAC__ASSERT(0 != utf8);
- if ((utf8[0] & 0x80) == 0) {
- return 1;
- }
- else if ((utf8[0] & 0xE0) == 0xC0 && (utf8[1] & 0xC0) == 0x80) {
- if ((utf8[0] & 0xFE) == 0xC0) /* overlong sequence check */
- return 0;
- return 2;
- }
- else if ((utf8[0] & 0xF0) == 0xE0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80) {
- if (utf8[0] == 0xE0 && (utf8[1] & 0xE0) == 0x80) /* overlong sequence check */
- return 0;
- /* illegal surrogates check (U+D800...U+DFFF and U+FFFE...U+FFFF) */
- if (utf8[0] == 0xED && (utf8[1] & 0xE0) == 0xA0) /* D800-DFFF */
- return 0;
- if (utf8[0] == 0xEF && utf8[1] == 0xBF && (utf8[2] & 0xFE) == 0xBE) /* FFFE-FFFF */
- return 0;
- return 3;
- }
- else if ((utf8[0] & 0xF8) == 0xF0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80) {
- if (utf8[0] == 0xF0 && (utf8[1] & 0xF0) == 0x80) /* overlong sequence check */
- return 0;
- return 4;
- }
- else if ((utf8[0] & 0xFC) == 0xF8 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80) {
- if (utf8[0] == 0xF8 && (utf8[1] & 0xF8) == 0x80) /* overlong sequence check */
- return 0;
- return 5;
- }
- else if ((utf8[0] & 0xFE) == 0xFC && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80 && (utf8[5] & 0xC0) == 0x80) {
- if (utf8[0] == 0xFC && (utf8[1] & 0xFC) == 0x80) /* overlong sequence check */
- return 0;
- return 6;
- }
- else {
- return 0;
- }
-}
-
-FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name)
-{
- char c;
- for(c = *name; c; c = *(++name))
- if(c < 0x20 || c == 0x3d || c > 0x7d)
- return false;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, unsigned length)
-{
- if(length == (unsigned)(-1)) {
- while(*value) {
- unsigned n = utf8len_(value);
- if(n == 0)
- return false;
- value += n;
- }
- }
- else {
- const FLAC__byte *end = value + length;
- while(value < end) {
- unsigned n = utf8len_(value);
- if(n == 0)
- return false;
- value += n;
- }
- if(value != end)
- return false;
- }
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, unsigned length)
-{
- const FLAC__byte *s, *end;
-
- for(s = entry, end = s + length; s < end && *s != '='; s++) {
- if(*s < 0x20 || *s > 0x7D)
- return false;
- }
- if(s == end)
- return false;
-
- s++; /* skip '=' */
-
- while(s < end) {
- unsigned n = utf8len_(s);
- if(n == 0)
- return false;
- s += n;
- }
- if(s != end)
- return false;
-
- return true;
-}
-
-/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
-FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation)
-{
- unsigned i, j;
-
- if(check_cd_da_subset) {
- if(cue_sheet->lead_in < 2 * 44100) {
- if(violation) *violation = "CD-DA cue sheet must have a lead-in length of at least 2 seconds";
- return false;
- }
- if(cue_sheet->lead_in % 588 != 0) {
- if(violation) *violation = "CD-DA cue sheet lead-in length must be evenly divisible by 588 samples";
- return false;
- }
- }
-
- if(cue_sheet->num_tracks == 0) {
- if(violation) *violation = "cue sheet must have at least one track (the lead-out)";
- return false;
- }
-
- if(check_cd_da_subset && cue_sheet->tracks[cue_sheet->num_tracks-1].number != 170) {
- if(violation) *violation = "CD-DA cue sheet must have a lead-out track number 170 (0xAA)";
- return false;
- }
-
- for(i = 0; i < cue_sheet->num_tracks; i++) {
- if(cue_sheet->tracks[i].number == 0) {
- if(violation) *violation = "cue sheet may not have a track number 0";
- return false;
- }
-
- if(check_cd_da_subset) {
- if(!((cue_sheet->tracks[i].number >= 1 && cue_sheet->tracks[i].number <= 99) || cue_sheet->tracks[i].number == 170)) {
- if(violation) *violation = "CD-DA cue sheet track number must be 1-99 or 170";
- return false;
- }
- }
-
- if(check_cd_da_subset && cue_sheet->tracks[i].offset % 588 != 0) {
- if(violation) {
- if(i == cue_sheet->num_tracks-1) /* the lead-out track... */
- *violation = "CD-DA cue sheet lead-out offset must be evenly divisible by 588 samples";
- else
- *violation = "CD-DA cue sheet track offset must be evenly divisible by 588 samples";
- }
- return false;
- }
-
- if(i < cue_sheet->num_tracks - 1) {
- if(cue_sheet->tracks[i].num_indices == 0) {
- if(violation) *violation = "cue sheet track must have at least one index point";
- return false;
- }
-
- if(cue_sheet->tracks[i].indices[0].number > 1) {
- if(violation) *violation = "cue sheet track's first index number must be 0 or 1";
- return false;
- }
- }
-
- for(j = 0; j < cue_sheet->tracks[i].num_indices; j++) {
- if(check_cd_da_subset && cue_sheet->tracks[i].indices[j].offset % 588 != 0) {
- if(violation) *violation = "CD-DA cue sheet track index offset must be evenly divisible by 588 samples";
- return false;
- }
-
- if(j > 0) {
- if(cue_sheet->tracks[i].indices[j].number != cue_sheet->tracks[i].indices[j-1].number + 1) {
- if(violation) *violation = "cue sheet track index numbers must increase by 1";
- return false;
- }
- }
- }
- }
-
- return true;
-}
-
-/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */
-FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation)
-{
- char *p;
- FLAC__byte *b;
-
- for(p = picture->mime_type; *p; p++) {
- if(*p < 0x20 || *p > 0x7e) {
- if(violation) *violation = "MIME type string must contain only printable ASCII characters (0x20-0x7e)";
- return false;
- }
- }
-
- for(b = picture->description; *b; ) {
- unsigned n = utf8len_(b);
- if(n == 0) {
- if(violation) *violation = "description string must be valid UTF-8";
- return false;
- }
- b += n;
- }
-
- return true;
-}
-
-/*
- * These routines are private to libFLAC
- */
-unsigned FLAC__format_get_max_rice_partition_order(unsigned blocksize, unsigned predictor_order)
-{
- return
- FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(
- FLAC__format_get_max_rice_partition_order_from_blocksize(blocksize),
- blocksize,
- predictor_order
- );
-}
-
-unsigned FLAC__format_get_max_rice_partition_order_from_blocksize(unsigned blocksize)
-{
- unsigned max_rice_partition_order = 0;
- while(!(blocksize & 1)) {
- max_rice_partition_order++;
- blocksize >>= 1;
- }
- return flac_min(FLAC__MAX_RICE_PARTITION_ORDER, max_rice_partition_order);
-}
-
-unsigned FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(unsigned limit, unsigned blocksize, unsigned predictor_order)
-{
- unsigned max_rice_partition_order = limit;
-
- while(max_rice_partition_order > 0 && (blocksize >> max_rice_partition_order) <= predictor_order)
- max_rice_partition_order--;
-
- FLAC__ASSERT(
- (max_rice_partition_order == 0 && blocksize >= predictor_order) ||
- (max_rice_partition_order > 0 && blocksize >> max_rice_partition_order > predictor_order)
- );
-
- return max_rice_partition_order;
-}
-
-void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object)
-{
- FLAC__ASSERT(0 != object);
-
- object->parameters = 0;
- object->raw_bits = 0;
- object->capacity_by_order = 0;
-}
-
-void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object)
-{
- FLAC__ASSERT(0 != object);
-
- if(0 != object->parameters)
- free(object->parameters);
- if(0 != object->raw_bits)
- free(object->raw_bits);
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(object);
-}
-
-FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, unsigned max_partition_order)
-{
- FLAC__ASSERT(0 != object);
-
- FLAC__ASSERT(object->capacity_by_order > 0 || (0 == object->parameters && 0 == object->raw_bits));
-
- if(object->capacity_by_order < max_partition_order) {
- if(0 == (object->parameters = safe_realloc_(object->parameters, sizeof(unsigned)*(1 << max_partition_order))))
- return false;
- if(0 == (object->raw_bits = safe_realloc_(object->raw_bits, sizeof(unsigned)*(1 << max_partition_order))))
- return false;
- memset(object->raw_bits, 0, sizeof(unsigned)*(1 << max_partition_order));
- object->capacity_by_order = max_partition_order;
- }
-
- return true;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/ia32/Makefile.am b/deps/flac-1.3.2/src/libFLAC/ia32/Makefile.am
deleted file mode 100644
index 5b4880b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ia32/Makefile.am
+++ /dev/null
@@ -1,44 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
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- if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
- cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
- find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
- fi; \
- cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
- else \
- test -f "$(distdir)/$$file" \
- || cp -p $$d/$$file "$(distdir)/$$file" \
- || exit 1; \
- fi; \
- done
-check-am: all-am
-check: check-am
-all-am: Makefile $(LTLIBRARIES)
-installdirs:
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
- @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
- if test -z '$(STRIP)'; then \
- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
- install; \
- else \
- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
- "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
- fi
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
- -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
- -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
- @echo "This command is intended for maintainers to use"
- @echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
- mostlyclean-am
-
-distclean: distclean-am
- -rm -f Makefile
-distclean-am: clean-am distclean-compile distclean-generic \
- distclean-tags
-
-dvi: dvi-am
-
-dvi-am:
-
-html: html-am
-
-html-am:
-
-info: info-am
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-info-am:
-
-install-data-am:
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-install-dvi: install-dvi-am
-
-install-dvi-am:
-
-install-exec-am:
-
-install-html: install-html-am
-
-install-html-am:
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-install-info: install-info-am
-
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-install-man:
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-
-install-pdf-am:
-
-install-ps: install-ps-am
-
-install-ps-am:
-
-installcheck-am:
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-maintainer-clean: maintainer-clean-am
- -rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-compile mostlyclean-generic \
- mostlyclean-libtool
-
-pdf: pdf-am
-
-pdf-am:
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-ps: ps-am
-
-ps-am:
-
-uninstall-am:
-
-.MAKE: install-am install-strip
-
-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
- clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \
- ctags-am distclean distclean-compile distclean-generic \
- distclean-libtool distclean-tags distdir dvi dvi-am html \
- html-am info info-am install install-am install-data \
- install-data-am install-dvi install-dvi-am install-exec \
- install-exec-am install-html install-html-am install-info \
- install-info-am install-man install-pdf install-pdf-am \
- install-ps install-ps-am install-strip installcheck \
- installcheck-am installdirs maintainer-clean \
- maintainer-clean-generic mostlyclean mostlyclean-compile \
- mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
- tags tags-am uninstall uninstall-am
-
-.PRECIOUS: Makefile
-
-.nasm.lo:
- $(LIBTOOL) --tag=CC --mode=compile $(STRIP_NON_ASM) $(NASM) -f $(OBJ_FORMAT) -d OBJ_FORMAT_$(OBJ_FORMAT) -i$(srcdir)/ $< -o $@
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/deps/flac-1.3.2/src/libFLAC/ia32/cpu_asm.nasm b/deps/flac-1.3.2/src/libFLAC/ia32/cpu_asm.nasm
deleted file mode 100644
index 31baa0a..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ia32/cpu_asm.nasm
+++ /dev/null
@@ -1,99 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001-2009 Josh Coalson
-; Copyright (C) 2011-2016 Xiph.Org Foundation
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal FLAC__cpu_have_cpuid_asm_ia32
-cglobal FLAC__cpu_info_asm_ia32
-
- code_section
-
-; **********************************************************************
-;
-; FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32()
-;
-
-cident FLAC__cpu_have_cpuid_asm_ia32
- pushfd
- pop eax
- mov edx, eax
- xor eax, 0x00200000
- push eax
- popfd
- pushfd
- pop eax
- xor eax, edx
- and eax, 0x00200000
- shr eax, 0x15
- push edx
- popfd
- ret
-
-; **********************************************************************
-;
-; void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx)
-;
-
-cident FLAC__cpu_info_asm_ia32
- ;[esp + 8] == flags_edx
- ;[esp + 12] == flags_ecx
-
- push ebx
- call FLAC__cpu_have_cpuid_asm_ia32
- test eax, eax
- jz .no_cpuid
- mov eax, 0
- cpuid
- cmp eax, 1
- jb .no_cpuid
- xor ecx, ecx
- mov eax, 1
- cpuid
- mov ebx, [esp + 8]
- mov [ebx], edx
- mov ebx, [esp + 12]
- mov [ebx], ecx
- jmp .end
-.no_cpuid:
- xor eax, eax
- mov ebx, [esp + 8]
- mov [ebx], eax
- mov ebx, [esp + 12]
- mov [ebx], eax
-.end:
- pop ebx
- ret
-
-; end
diff --git a/deps/flac-1.3.2/src/libFLAC/ia32/fixed_asm.nasm b/deps/flac-1.3.2/src/libFLAC/ia32/fixed_asm.nasm
deleted file mode 100644
index 8477724..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ia32/fixed_asm.nasm
+++ /dev/null
@@ -1,309 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001-2009 Josh Coalson
-; Copyright (C) 2011-2016 Xiph.Org Foundation
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov
-
- code_section
-
-; **********************************************************************
-;
-; unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 *data, unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
-; {
-; FLAC__int32 last_error_0 = data[-1];
-; FLAC__int32 last_error_1 = data[-1] - data[-2];
-; FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
-; FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
-; FLAC__int32 error, save;
-; FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
-; unsigned i, order;
-;
-; for(i = 0; i < data_len; i++) {
-; error = data[i] ; total_error_0 += local_abs(error); save = error;
-; error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
-; error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
-; error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
-; error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
-; }
-;
-; if(total_error_0 < min(min(min(total_error_1, total_error_2), total_error_3), total_error_4))
-; order = 0;
-; else if(total_error_1 < min(min(total_error_2, total_error_3), total_error_4))
-; order = 1;
-; else if(total_error_2 < min(total_error_3, total_error_4))
-; order = 2;
-; else if(total_error_3 < total_error_4)
-; order = 3;
-; else
-; order = 4;
-;
-; residual_bits_per_sample[0] = (float)((data_len > 0 && total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[1] = (float)((data_len > 0 && total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[2] = (float)((data_len > 0 && total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[3] = (float)((data_len > 0 && total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[4] = (float)((data_len > 0 && total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
-;
-; return order;
-; }
- ALIGN 16
-cident FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov
-
- ; esp + 36 == data[]
- ; esp + 40 == data_len
- ; esp + 44 == residual_bits_per_sample[]
-
- push ebp
- push ebx
- push esi
- push edi
- sub esp, byte 16
- ; qword [esp] == temp space for loading FLAC__uint64s to FPU regs
-
- ; ebx == &data[i]
- ; ecx == loop counter (i)
- ; ebp == order
- ; mm0 == total_error_1:total_error_0
- ; mm1 == total_error_2:total_error_3
- ; mm2 == :total_error_4
- ; mm3 == last_error_1:last_error_0
- ; mm4 == last_error_2:last_error_3
-
- mov ecx, [esp + 40] ; ecx = data_len
- test ecx, ecx
- jz near .data_len_is_0
-
- mov ebx, [esp + 36] ; ebx = data[]
- movd mm3, [ebx - 4] ; mm3 = 0:last_error_0
- movd mm2, [ebx - 8] ; mm2 = 0:data[-2]
- movd mm1, [ebx - 12] ; mm1 = 0:data[-3]
- movd mm0, [ebx - 16] ; mm0 = 0:data[-4]
- movq mm5, mm3 ; mm5 = 0:last_error_0
- psubd mm5, mm2 ; mm5 = 0:last_error_1
- punpckldq mm3, mm5 ; mm3 = last_error_1:last_error_0
- psubd mm2, mm1 ; mm2 = 0:data[-2] - data[-3]
- psubd mm5, mm2 ; mm5 = 0:last_error_2
- movq mm4, mm5 ; mm4 = 0:last_error_2
- psubd mm4, mm2 ; mm4 = 0:last_error_2 - (data[-2] - data[-3])
- paddd mm4, mm1 ; mm4 = 0:last_error_2 - (data[-2] - 2 * data[-3])
- psubd mm4, mm0 ; mm4 = 0:last_error_3
- punpckldq mm4, mm5 ; mm4 = last_error_2:last_error_3
- pxor mm0, mm0 ; mm0 = total_error_1:total_error_0
- pxor mm1, mm1 ; mm1 = total_error_2:total_error_3
- pxor mm2, mm2 ; mm2 = 0:total_error_4
-
- ALIGN 16
-.loop:
- movd mm7, [ebx] ; mm7 = 0:error_0
- add ebx, byte 4
- movq mm6, mm7 ; mm6 = 0:error_0
- psubd mm7, mm3 ; mm7 = :error_1
- punpckldq mm6, mm7 ; mm6 = error_1:error_0
- movq mm5, mm6 ; mm5 = error_1:error_0
- movq mm7, mm6 ; mm7 = error_1:error_0
- psubd mm5, mm3 ; mm5 = error_2:
- movq mm3, mm6 ; mm3 = error_1:error_0
- psrad mm6, 31
- pxor mm7, mm6
- psubd mm7, mm6 ; mm7 = abs(error_1):abs(error_0)
- paddd mm0, mm7 ; mm0 = total_error_1:total_error_0
- movq mm6, mm5 ; mm6 = error_2:
- psubd mm5, mm4 ; mm5 = error_3:
- punpckhdq mm5, mm6 ; mm5 = error_2:error_3
- movq mm7, mm5 ; mm7 = error_2:error_3
- movq mm6, mm5 ; mm6 = error_2:error_3
- psubd mm5, mm4 ; mm5 = :error_4
- movq mm4, mm6 ; mm4 = error_2:error_3
- psrad mm6, 31
- pxor mm7, mm6
- psubd mm7, mm6 ; mm7 = abs(error_2):abs(error_3)
- paddd mm1, mm7 ; mm1 = total_error_2:total_error_3
- movq mm6, mm5 ; mm6 = :error_4
- psrad mm5, 31
- pxor mm6, mm5
- psubd mm6, mm5 ; mm6 = :abs(error_4)
- paddd mm2, mm6 ; mm2 = :total_error_4
-
- dec ecx
- jnz short .loop
-
-; if(total_error_0 < min(min(min(total_error_1, total_error_2), total_error_3), total_error_4))
-; order = 0;
-; else if(total_error_1 < min(min(total_error_2, total_error_3), total_error_4))
-; order = 1;
-; else if(total_error_2 < min(total_error_3, total_error_4))
-; order = 2;
-; else if(total_error_3 < total_error_4)
-; order = 3;
-; else
-; order = 4;
- movq mm3, mm0 ; mm3 = total_error_1:total_error_0
- movd edi, mm2 ; edi = total_error_4
- movd esi, mm1 ; esi = total_error_3
- movd eax, mm0 ; eax = total_error_0
- punpckhdq mm1, mm1 ; mm1 = total_error_2:total_error_2
- punpckhdq mm3, mm3 ; mm3 = total_error_1:total_error_1
- movd edx, mm1 ; edx = total_error_2
- movd ecx, mm3 ; ecx = total_error_1
-
- xor ebx, ebx
- xor ebp, ebp
- inc ebx
- cmp ecx, eax
- cmovb eax, ecx ; eax = min(total_error_0, total_error_1)
- cmovbe ebp, ebx
- inc ebx
- cmp edx, eax
- cmovb eax, edx ; eax = min(total_error_0, total_error_1, total_error_2)
- cmovbe ebp, ebx
- inc ebx
- cmp esi, eax
- cmovb eax, esi ; eax = min(total_error_0, total_error_1, total_error_2, total_error_3)
- cmovbe ebp, ebx
- inc ebx
- cmp edi, eax
- cmovb eax, edi ; eax = min(total_error_0, total_error_1, total_error_2, total_error_3, total_error_4)
- cmovbe ebp, ebx
- movd ebx, mm0 ; ebx = total_error_0
- emms
-
- ; residual_bits_per_sample[0] = (float)((data_len > 0 && total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[1] = (float)((data_len > 0 && total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[2] = (float)((data_len > 0 && total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[3] = (float)((data_len > 0 && total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[4] = (float)((data_len > 0 && total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0);
- xor eax, eax
- fild dword [esp + 40] ; ST = data_len (NOTE: assumes data_len is <2gigs)
-.rbps_0:
- test ebx, ebx
- jz .total_error_0_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], ebx
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_0
- mov ebx, [esp + 44]
- fild qword [esp] ; ST = total_error_0 1.0 data_len
- fdiv st2 ; ST = total_error_0/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_0/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_0/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_0/data_len) data_len
- fstp dword [ebx] ; residual_bits_per_sample[0] = log2(ln2*total_error_0/data_len) ST = data_len
- jmp short .rbps_1
-.total_error_0_is_0:
- mov ebx, [esp + 44]
- mov [ebx], eax ; residual_bits_per_sample[0] = 0.0
-.rbps_1:
- test ecx, ecx
- jz .total_error_1_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], ecx
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_1
- fild qword [esp] ; ST = total_error_1 1.0 data_len
- fdiv st2 ; ST = total_error_1/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_1/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_1/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_1/data_len) data_len
- fstp dword [ebx + 4] ; residual_bits_per_sample[1] = log2(ln2*total_error_1/data_len) ST = data_len
- jmp short .rbps_2
-.total_error_1_is_0:
- mov [ebx + 4], eax ; residual_bits_per_sample[1] = 0.0
-.rbps_2:
- test edx, edx
- jz .total_error_2_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], edx
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_2
- fild qword [esp] ; ST = total_error_2 1.0 data_len
- fdiv st2 ; ST = total_error_2/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_2/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_2/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_2/data_len) data_len
- fstp dword [ebx + 8] ; residual_bits_per_sample[2] = log2(ln2*total_error_2/data_len) ST = data_len
- jmp short .rbps_3
-.total_error_2_is_0:
- mov [ebx + 8], eax ; residual_bits_per_sample[2] = 0.0
-.rbps_3:
- test esi, esi
- jz .total_error_3_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], esi
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_3
- fild qword [esp] ; ST = total_error_3 1.0 data_len
- fdiv st2 ; ST = total_error_3/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_3/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_3/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_3/data_len) data_len
- fstp dword [ebx + 12] ; residual_bits_per_sample[3] = log2(ln2*total_error_3/data_len) ST = data_len
- jmp short .rbps_4
-.total_error_3_is_0:
- mov [ebx + 12], eax ; residual_bits_per_sample[3] = 0.0
-.rbps_4:
- test edi, edi
- jz .total_error_4_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], edi
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_4
- fild qword [esp] ; ST = total_error_4 1.0 data_len
- fdiv st2 ; ST = total_error_4/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_4/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_4/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_4/data_len) data_len
- fstp dword [ebx + 16] ; residual_bits_per_sample[4] = log2(ln2*total_error_4/data_len) ST = data_len
- jmp short .rbps_end
-.total_error_4_is_0:
- mov [ebx + 16], eax ; residual_bits_per_sample[4] = 0.0
-.rbps_end:
- fstp st0 ; ST = [empty]
- jmp short .end
-.data_len_is_0:
- ; data_len == 0, so residual_bits_per_sample[*] = 0.0
- xor ebp, ebp
- mov edi, [esp + 44]
- mov [edi], ebp
- mov [edi + 4], ebp
- mov [edi + 8], ebp
- mov [edi + 12], ebp
- mov [edi + 16], ebp
- add ebp, byte 4 ; order = 4
-
-.end:
- mov eax, ebp ; return order
- add esp, byte 16
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; end
diff --git a/deps/flac-1.3.2/src/libFLAC/ia32/lpc_asm.nasm b/deps/flac-1.3.2/src/libFLAC/ia32/lpc_asm.nasm
deleted file mode 100644
index 8539d9b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ia32/lpc_asm.nasm
+++ /dev/null
@@ -1,2049 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001-2009 Josh Coalson
-; Copyright (C) 2011-2016 Xiph.Org Foundation
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old
-cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32
-cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx
-cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32
-cglobal FLAC__lpc_restore_signal_asm_ia32
-cglobal FLAC__lpc_restore_signal_asm_ia32_mmx
-cglobal FLAC__lpc_restore_signal_wide_asm_ia32
-
- code_section
-
-; **********************************************************************
-;
-; void FLAC__lpc_compute_autocorrelation_asm(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-; {
-; FLAC__real d;
-; unsigned sample, coeff;
-; const unsigned limit = data_len - lag;
-;
-; FLAC__ASSERT(lag > 0);
-; FLAC__ASSERT(lag <= data_len);
-;
-; for(coeff = 0; coeff < lag; coeff++)
-; autoc[coeff] = 0.0;
-; for(sample = 0; sample <= limit; sample++) {
-; d = data[sample];
-; for(coeff = 0; coeff < lag; coeff++)
-; autoc[coeff] += d * data[sample+coeff];
-; }
-; for(; sample < data_len; sample++) {
-; d = data[sample];
-; for(coeff = 0; coeff < data_len - sample; coeff++)
-; autoc[coeff] += d * data[sample+coeff];
-; }
-; }
-;
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32
- ;[esp + 28] == autoc[]
- ;[esp + 24] == lag
- ;[esp + 20] == data_len
- ;[esp + 16] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 33)
- ;ASSERT(lag <= data_len)
-
-.begin:
- push esi
- push edi
- push ebx
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- mov edi, [esp + 28] ; edi == autoc
- mov ecx, [esp + 24] ; ecx = # of dwords (=lag) of 0 to write
- xor eax, eax
- rep stosd
-
- ; const unsigned limit = data_len - lag;
- mov eax, [esp + 24] ; eax == lag
- mov ecx, [esp + 20]
- sub ecx, eax ; ecx == limit
-
- mov edi, [esp + 28] ; edi == autoc
- mov esi, [esp + 16] ; esi == data
- inc ecx ; we are looping <= limit so we add one to the counter
-
- ; for(sample = 0; sample <= limit; sample++) {
- ; d = data[sample];
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] += d * data[sample+coeff];
- ; }
- fld dword [esi] ; ST = d <- data[sample]
- ; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax)
- lea edx, [eax + eax*2]
- neg edx
- lea edx, [eax + edx*4 + .jumper1_0 - .get_eip1]
- call .mov_eip_to_ebx
-.get_eip1:
- add edx, ebx
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- cmp eax, 33
- jne .loop1_start
- sub edx, byte 9 ; compensate for the longer opcodes on the first iteration
-.loop1_start:
- jmp edx
-
-.mov_eip_to_ebx:
- mov ebx, [esp]
- ret
-
- fld st0 ; ST = d d
- fmul dword [esi + (32*4)] ; ST = d*data[sample+32] d WATCHOUT: not a byte displacement here!
- fadd dword [edi + (32*4)] ; ST = autoc[32]+d*data[sample+32] d WATCHOUT: not a byte displacement here!
- fstp dword [edi + (32*4)] ; autoc[32]+=d*data[sample+32] ST = d WATCHOUT: not a byte displacement here!
- fld st0 ; ST = d d
- fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d
- fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d
- fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d
- fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d
- fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d
- fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d
- fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d
- fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d
- fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d
- fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d
- fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d
- fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d
- fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d
- fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d
- fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d
- fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d
- fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d
- fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d
- fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d
- fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d
- fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d
- fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d
- fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d
- fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d
- fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d
- fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d
- fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d
- fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d
- fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d
- fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d
- fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d
- fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d
- fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d
- fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d
- fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d
- fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d
- fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d
- fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d
- fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d
- fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d
- fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d
- fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d
- fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d
- fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d
- fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d
- fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d
- fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d
- fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d
- fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d
- fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d
- fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d
- fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d
- fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d
- fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d
- fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d
- fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d
- fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d
- fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d
- fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d
- fld st0 ; ST = d d
- fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here!
- fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here!
- fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here!
-.jumper1_0:
-
- fstp st0 ; pop d, ST = empty
- add esi, byte 4 ; sample++
- dec ecx
- jz .loop1_end
- fld dword [esi] ; ST = d <- data[sample]
- jmp edx
-.loop1_end:
-
- ; for(; sample < data_len; sample++) {
- ; d = data[sample];
- ; for(coeff = 0; coeff < data_len - sample; coeff++)
- ; autoc[coeff] += d * data[sample+coeff];
- ; }
- mov ecx, [esp + 24] ; ecx <- lag
- dec ecx ; ecx <- lag - 1
- jz near .end ; skip loop if 0 (i.e. lag == 1)
-
- fld dword [esi] ; ST = d <- data[sample]
- mov eax, ecx ; eax <- lag - 1 == data_len - sample the first time through
- ; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax)
- lea edx, [eax + eax*2]
- neg edx
- lea edx, [eax + edx*4 + .jumper2_0 - .get_eip2]
- call .mov_eip_to_ebx
-.get_eip2:
- add edx, ebx
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- jmp edx
-
- fld st0 ; ST = d d
- fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d
- fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d
- fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d
- fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d
- fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d
- fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d
- fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d
- fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d
- fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d
- fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d
- fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d
- fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d
- fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d
- fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d
- fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d
- fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d
- fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d
- fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d
- fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d
- fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d
- fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d
- fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d
- fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d
- fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d
- fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d
- fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d
- fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d
- fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d
- fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d
- fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d
- fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d
- fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d
- fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d
- fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d
- fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d
- fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d
- fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d
- fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d
- fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d
- fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d
- fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d
- fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d
- fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d
- fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d
- fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d
- fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d
- fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d
- fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d
- fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d
- fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d
- fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d
- fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d
- fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d
- fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d
- fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d
- fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d
- fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d
- fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d
- fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d
- fld st0 ; ST = d d
- fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here!
- fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here!
- fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here!
-.jumper2_0:
-
- fstp st0 ; pop d, ST = empty
- add esi, byte 4 ; sample++
- dec ecx
- jz .loop2_end
- add edx, byte 11 ; adjust our inner loop counter by adjusting the jump target
- fld dword [esi] ; ST = d <- data[sample]
- jmp edx
-.loop2_end:
-
-.end:
- pop ebx
- pop edi
- pop esi
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old
- ;[esp + 16] == autoc[]
- ;[esp + 12] == lag
- ;[esp + 8] == data_len
- ;[esp + 4] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 4)
- ;ASSERT(lag <= data_len)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
-
- mov edx, [esp + 8] ; edx == data_len
- mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
-.warmup: ; xmm2 == data[sample-3],data[sample-2],data[sample-1],data[sample]
- mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2
- addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- add eax, 4
- shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
- shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float
- movss xmm2, xmm0
- mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2
- addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [esp + 16] ; edx == autoc
- movups [edx], xmm5
-
-.end:
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old
- ;[esp + 16] == autoc[]
- ;[esp + 12] == lag
- ;[esp + 8] == data_len
- ;[esp + 4] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 8)
- ;ASSERT(lag <= data_len)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
- xorps xmm6, xmm6
-
- mov edx, [esp + 8] ; edx == data_len
- mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- movaps xmm1, xmm0 ; xmm1 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
-.warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample]
- mulps xmm0, xmm2
- mulps xmm1, xmm3 ; xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2
- addps xmm5, xmm0
- addps xmm6, xmm1 ; xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- ; here we reorder the instructions; see the (#) indexes for a logical order
- shufps xmm2, xmm2, 93h ; (3) 93h=2-1-0-3 => xmm2 gets rotated left by one float
- add eax, 4 ; (0)
- shufps xmm3, xmm3, 93h ; (4) 93h=2-1-0-3 => xmm3 gets rotated left by one float
- shufps xmm0, xmm0, 0 ; (1) xmm0 = data[sample],data[sample],data[sample],data[sample]
- movss xmm3, xmm2 ; (5)
- movaps xmm1, xmm0 ; (2) xmm1 = data[sample],data[sample],data[sample],data[sample]
- movss xmm2, xmm0 ; (6)
- mulps xmm1, xmm3 ; (8)
- mulps xmm0, xmm2 ; (7) xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2
- addps xmm6, xmm1 ; (10)
- addps xmm5, xmm0 ; (9) xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [esp + 16] ; edx == autoc
- movups [edx], xmm5
- movups [edx + 16], xmm6
-
-.end:
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old
- ;[esp + 16] == autoc[]
- ;[esp + 12] == lag
- ;[esp + 8] == data_len
- ;[esp + 4] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 12)
- ;ASSERT(lag <= data_len)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
- xorps xmm6, xmm6
- xorps xmm7, xmm7
-
- mov edx, [esp + 8] ; edx == data_len
- mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
- xorps xmm4, xmm4 ; xmm4 = 0,0,0,0
-.warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample]
- movaps xmm1, xmm0
- mulps xmm1, xmm2
- addps xmm5, xmm1
- movaps xmm1, xmm0
- mulps xmm1, xmm3
- addps xmm6, xmm1
- mulps xmm0, xmm4
- addps xmm7, xmm0 ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- add eax, 4
- shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
-
- ; shift xmm4:xmm3:xmm2 left by one float
- shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float
- shufps xmm3, xmm3, 93h ; 93h=2-1-0-3 => xmm3 gets rotated left by one float
- shufps xmm4, xmm4, 93h ; 93h=2-1-0-3 => xmm4 gets rotated left by one float
- movss xmm4, xmm3
- movss xmm3, xmm2
- movss xmm2, xmm0
-
- ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2
- movaps xmm1, xmm0
- mulps xmm1, xmm2
- addps xmm5, xmm1
- movaps xmm1, xmm0
- mulps xmm1, xmm3
- addps xmm6, xmm1
- mulps xmm0, xmm4
- addps xmm7, xmm0
-
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [esp + 16] ; edx == autoc
- movups [edx], xmm5
- movups [edx + 16], xmm6
- movups [edx + 32], xmm7
-
-.end:
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old
- ;[ebp + 20] == autoc[]
- ;[ebp + 16] == lag
- ;[ebp + 12] == data_len
- ;[ebp + 8] == data[]
- ;[esp] == __m128
- ;[esp + 16] == __m128
-
- push ebp
- mov ebp, esp
- and esp, -16 ; stack realign for SSE instructions 'movaps' and 'addps'
- sub esp, 32
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 12)
- ;ASSERT(lag <= data_len)
- ;ASSERT(data_len > 0)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
- xorps xmm6, xmm6
- movaps [esp], xmm5
- movaps [esp + 16], xmm6
-
- mov edx, [ebp + 12] ; edx == data_len
- mov eax, [ebp + 8] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm1, xmm0 ; xmm1 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- xorps xmm2, xmm2 ; xmm2 = 0,0,0,0
- xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
- xorps xmm4, xmm4 ; xmm4 = 0,0,0,0
- movaps xmm7, xmm0
- mulps xmm7, xmm1
- addps xmm5, xmm7
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- add eax, 4
- shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
-
- ; shift xmm4:xmm3:xmm2:xmm1 left by one float
- shufps xmm1, xmm1, 93h
- shufps xmm2, xmm2, 93h
- shufps xmm3, xmm3, 93h
- shufps xmm4, xmm4, 93h
- movss xmm4, xmm3
- movss xmm3, xmm2
- movss xmm2, xmm1
- movss xmm1, xmm0
-
- ; xmmB:xmmA:xmm6:xmm5 += xmm0:xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2:xmm1
- movaps xmm7, xmm0
- mulps xmm7, xmm1
- addps xmm5, xmm7
- movaps xmm7, xmm0
- mulps xmm7, xmm2
- addps xmm6, xmm7
- movaps xmm7, xmm0
- mulps xmm7, xmm3
- mulps xmm0, xmm4
- addps xmm7, [esp]
- addps xmm0, [esp + 16]
- movaps [esp], xmm7
- movaps [esp + 16], xmm0
-
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [ebp + 20] ; edx == autoc
- movups [edx], xmm5
- movups [edx + 16], xmm6
- movaps xmm5, [esp]
- movaps xmm6, [esp + 16]
- movups [edx + 32], xmm5
- movups [edx + 48], xmm6
-.end:
- mov esp, ebp
- pop ebp
- ret
-
-;void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-;
-; for(i = 0; i < data_len; i++) {
-; sum = 0;
-; for(j = 0; j < order; j++)
-; sum += qlp_coeff[j] * data[i-j-1];
-; residual[i] = data[i] - (sum >> lp_quantization);
-; }
-;
- ALIGN 16
-cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32
- ;[esp + 40] residual[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] data[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20] ; esi = data[]
- mov edi, [esp + 40] ; edi = residual[]
- mov eax, [esp + 32] ; eax = order
- mov ebx, [esp + 24] ; ebx = data_len
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
-.begin:
- cmp eax, byte 1
- jg short .i_1more
-
- mov ecx, [esp + 28]
- mov edx, [ecx] ; edx = qlp_coeff[0]
- mov eax, [esi - 4] ; eax = data[-1]
- mov ecx, [esp + 36] ; cl = lp_quantization
- ALIGN 16
-.i_1_loop_i:
- imul eax, edx
- sar eax, cl
- neg eax
- add eax, [esi]
- mov [edi], eax
- mov eax, [esi]
- add edi, byte 4
- add esi, byte 4
- dec ebx
- jnz .i_1_loop_i
-
- jmp .end
-
-.i_1more:
- cmp eax, byte 32 ; for order <= 32 there is a faster routine
- jbe short .i_32
-
- ; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32
- ALIGN 16
-.i_32more_loop_i:
- xor ebp, ebp
- mov ecx, [esp + 32]
- mov edx, ecx
- shl edx, 2
- add edx, [esp + 28]
- neg ecx
- ALIGN 16
-.i_32more_loop_j:
- sub edx, byte 4
- mov eax, [edx]
- imul eax, [esi + 4 * ecx]
- add ebp, eax
- inc ecx
- jnz short .i_32more_loop_j
-
- mov ecx, [esp + 36]
- sar ebp, cl
- neg ebp
- add ebp, [esi]
- mov [edi], ebp
- add esi, byte 4
- add edi, byte 4
-
- dec ebx
- jnz .i_32more_loop_i
-
- jmp .end
-
-.mov_eip_to_eax:
- mov eax, [esp]
- ret
-
-.i_32:
- sub edi, esi
- neg eax
- lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0]
- call .mov_eip_to_eax
-.get_eip0:
- add edx, eax
- inc edx
- mov eax, [esp + 28] ; eax = qlp_coeff[]
- xor ebp, ebp
- jmp edx
-
- mov ecx, [eax + 124]
- imul ecx, [esi - 128]
- add ebp, ecx
- mov ecx, [eax + 120]
- imul ecx, [esi - 124]
- add ebp, ecx
- mov ecx, [eax + 116]
- imul ecx, [esi - 120]
- add ebp, ecx
- mov ecx, [eax + 112]
- imul ecx, [esi - 116]
- add ebp, ecx
- mov ecx, [eax + 108]
- imul ecx, [esi - 112]
- add ebp, ecx
- mov ecx, [eax + 104]
- imul ecx, [esi - 108]
- add ebp, ecx
- mov ecx, [eax + 100]
- imul ecx, [esi - 104]
- add ebp, ecx
- mov ecx, [eax + 96]
- imul ecx, [esi - 100]
- add ebp, ecx
- mov ecx, [eax + 92]
- imul ecx, [esi - 96]
- add ebp, ecx
- mov ecx, [eax + 88]
- imul ecx, [esi - 92]
- add ebp, ecx
- mov ecx, [eax + 84]
- imul ecx, [esi - 88]
- add ebp, ecx
- mov ecx, [eax + 80]
- imul ecx, [esi - 84]
- add ebp, ecx
- mov ecx, [eax + 76]
- imul ecx, [esi - 80]
- add ebp, ecx
- mov ecx, [eax + 72]
- imul ecx, [esi - 76]
- add ebp, ecx
- mov ecx, [eax + 68]
- imul ecx, [esi - 72]
- add ebp, ecx
- mov ecx, [eax + 64]
- imul ecx, [esi - 68]
- add ebp, ecx
- mov ecx, [eax + 60]
- imul ecx, [esi - 64]
- add ebp, ecx
- mov ecx, [eax + 56]
- imul ecx, [esi - 60]
- add ebp, ecx
- mov ecx, [eax + 52]
- imul ecx, [esi - 56]
- add ebp, ecx
- mov ecx, [eax + 48]
- imul ecx, [esi - 52]
- add ebp, ecx
- mov ecx, [eax + 44]
- imul ecx, [esi - 48]
- add ebp, ecx
- mov ecx, [eax + 40]
- imul ecx, [esi - 44]
- add ebp, ecx
- mov ecx, [eax + 36]
- imul ecx, [esi - 40]
- add ebp, ecx
- mov ecx, [eax + 32]
- imul ecx, [esi - 36]
- add ebp, ecx
- mov ecx, [eax + 28]
- imul ecx, [esi - 32]
- add ebp, ecx
- mov ecx, [eax + 24]
- imul ecx, [esi - 28]
- add ebp, ecx
- mov ecx, [eax + 20]
- imul ecx, [esi - 24]
- add ebp, ecx
- mov ecx, [eax + 16]
- imul ecx, [esi - 20]
- add ebp, ecx
- mov ecx, [eax + 12]
- imul ecx, [esi - 16]
- add ebp, ecx
- mov ecx, [eax + 8]
- imul ecx, [esi - 12]
- add ebp, ecx
- mov ecx, [eax + 4]
- imul ecx, [esi - 8]
- add ebp, ecx
- mov ecx, [eax] ; there is one byte missing
- imul ecx, [esi - 4]
- add ebp, ecx
-.jumper_0:
-
- mov ecx, [esp + 36]
- sar ebp, cl
- neg ebp
- add ebp, [esi]
- mov [edi + esi], ebp
- add esi, byte 4
-
- dec ebx
- jz short .end
- xor ebp, ebp
- jmp edx
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for
-; the channel and qlp_coeffs must be <= 16. Especially note that this routine
-; cannot be used for side-channel coded 16bps channels since the effective bps
-; is 17.
- ALIGN 16
-cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx
- ;[esp + 40] residual[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] data[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20] ; esi = data[]
- mov edi, [esp + 40] ; edi = residual[]
- mov eax, [esp + 32] ; eax = order
- mov ebx, [esp + 24] ; ebx = data_len
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
- dec ebx
- test ebx, ebx
- jz near .last_one
-
- mov edx, [esp + 28] ; edx = qlp_coeff[]
- movd mm6, [esp + 36] ; mm6 = 0:lp_quantization
- mov ebp, esp
-
- and esp, 0xfffffff8
-
- xor ecx, ecx
-.copy_qlp_loop:
- push word [edx + 4 * ecx]
- inc ecx
- cmp ecx, eax
- jnz short .copy_qlp_loop
-
- and ecx, 0x3
- test ecx, ecx
- je short .za_end
- sub ecx, byte 4
-.za_loop:
- push word 0
- inc eax
- inc ecx
- jnz short .za_loop
-.za_end:
-
- movq mm5, [esp + 2 * eax - 8]
- movd mm4, [esi - 16]
- punpckldq mm4, [esi - 12]
- movd mm0, [esi - 8]
- punpckldq mm0, [esi - 4]
- packssdw mm4, mm0
-
- cmp eax, byte 4
- jnbe short .mmx_4more
-
- ALIGN 16
-.mmx_4_loop_i:
- movd mm1, [esi]
- movq mm3, mm4
- punpckldq mm1, [esi + 4]
- psrlq mm4, 16
- movq mm0, mm1
- psllq mm0, 48
- por mm4, mm0
- movq mm2, mm4
- psrlq mm4, 16
- pxor mm0, mm0
- punpckhdq mm0, mm1
- pmaddwd mm3, mm5
- pmaddwd mm2, mm5
- psllq mm0, 16
- por mm4, mm0
- movq mm0, mm3
- punpckldq mm3, mm2
- punpckhdq mm0, mm2
- paddd mm3, mm0
- psrad mm3, mm6
- psubd mm1, mm3
- movd [edi], mm1
- punpckhdq mm1, mm1
- movd [edi + 4], mm1
-
- add edi, byte 8
- add esi, byte 8
-
- sub ebx, 2
- jg .mmx_4_loop_i
- jmp .mmx_end
-
-.mmx_4more:
- shl eax, 2
- neg eax
- add eax, byte 16
-
- ALIGN 16
-.mmx_4more_loop_i:
- movd mm1, [esi]
- punpckldq mm1, [esi + 4]
- movq mm3, mm4
- psrlq mm4, 16
- movq mm0, mm1
- psllq mm0, 48
- por mm4, mm0
- movq mm2, mm4
- psrlq mm4, 16
- pxor mm0, mm0
- punpckhdq mm0, mm1
- pmaddwd mm3, mm5
- pmaddwd mm2, mm5
- psllq mm0, 16
- por mm4, mm0
-
- mov ecx, esi
- add ecx, eax
- mov edx, esp
-
- ALIGN 16
-.mmx_4more_loop_j:
- movd mm0, [ecx - 16]
- movd mm7, [ecx - 8]
- punpckldq mm0, [ecx - 12]
- punpckldq mm7, [ecx - 4]
- packssdw mm0, mm7
- pmaddwd mm0, [edx]
- punpckhdq mm7, mm7
- paddd mm3, mm0
- movd mm0, [ecx - 12]
- punpckldq mm0, [ecx - 8]
- punpckldq mm7, [ecx]
- packssdw mm0, mm7
- pmaddwd mm0, [edx]
- paddd mm2, mm0
-
- add edx, byte 8
- add ecx, byte 16
- cmp ecx, esi
- jnz .mmx_4more_loop_j
-
- movq mm0, mm3
- punpckldq mm3, mm2
- punpckhdq mm0, mm2
- paddd mm3, mm0
- psrad mm3, mm6
- psubd mm1, mm3
- movd [edi], mm1
- punpckhdq mm1, mm1
- movd [edi + 4], mm1
-
- add edi, byte 8
- add esi, byte 8
-
- sub ebx, 2
- jg near .mmx_4more_loop_i
-
-.mmx_end:
- emms
- mov esp, ebp
-.last_one:
- mov eax, [esp + 32]
- inc ebx
- jnz near FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32.begin
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; **********************************************************************
-;
-; void FLAC__lpc_restore_signal(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
-; {
-; unsigned i, j;
-; FLAC__int32 sum;
-;
-; FLAC__ASSERT(order > 0);
-;
-; for(i = 0; i < data_len; i++) {
-; sum = 0;
-; for(j = 0; j < order; j++)
-; sum += qlp_coeff[j] * data[i-j-1];
-; data[i] = residual[i] + (sum >> lp_quantization);
-; }
-; }
- ALIGN 16
-cident FLAC__lpc_restore_signal_asm_ia32
- ;[esp + 40] data[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] residual[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20] ; esi = residual[]
- mov edi, [esp + 40] ; edi = data[]
- mov eax, [esp + 32] ; eax = order
- mov ebx, [esp + 24] ; ebx = data_len
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
-
-.begin:
- cmp eax, byte 1
- jg short .x87_1more
-
- mov ecx, [esp + 28]
- mov edx, [ecx]
- mov eax, [edi - 4]
- mov ecx, [esp + 36]
- ALIGN 16
-.x87_1_loop_i:
- imul eax, edx
- sar eax, cl
- add eax, [esi]
- mov [edi], eax
- add esi, byte 4
- add edi, byte 4
- dec ebx
- jnz .x87_1_loop_i
-
- jmp .end
-
-.x87_1more:
- cmp eax, byte 32 ; for order <= 32 there is a faster routine
- jbe short .x87_32
-
- ; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32
- ALIGN 16
-.x87_32more_loop_i:
- xor ebp, ebp
- mov ecx, [esp + 32]
- mov edx, ecx
- shl edx, 2
- add edx, [esp + 28]
- neg ecx
- ALIGN 16
-.x87_32more_loop_j:
- sub edx, byte 4
- mov eax, [edx]
- imul eax, [edi + 4 * ecx]
- add ebp, eax
- inc ecx
- jnz short .x87_32more_loop_j
-
- mov ecx, [esp + 36]
- sar ebp, cl
- add ebp, [esi]
- mov [edi], ebp
- add edi, byte 4
- add esi, byte 4
-
- dec ebx
- jnz .x87_32more_loop_i
-
- jmp .end
-
-.mov_eip_to_eax:
- mov eax, [esp]
- ret
-
-.x87_32:
- sub esi, edi
- neg eax
- lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0]
- call .mov_eip_to_eax
-.get_eip0:
- add edx, eax
- inc edx ; compensate for the shorter opcode on the last iteration
- mov eax, [esp + 28] ; eax = qlp_coeff[]
- xor ebp, ebp
- jmp edx
-
- mov ecx, [eax + 124] ; ecx = qlp_coeff[31]
- imul ecx, [edi - 128] ; ecx = qlp_coeff[31] * data[i-32]
- add ebp, ecx ; sum += qlp_coeff[31] * data[i-32]
- mov ecx, [eax + 120] ; ecx = qlp_coeff[30]
- imul ecx, [edi - 124] ; ecx = qlp_coeff[30] * data[i-31]
- add ebp, ecx ; sum += qlp_coeff[30] * data[i-31]
- mov ecx, [eax + 116] ; ecx = qlp_coeff[29]
- imul ecx, [edi - 120] ; ecx = qlp_coeff[29] * data[i-30]
- add ebp, ecx ; sum += qlp_coeff[29] * data[i-30]
- mov ecx, [eax + 112] ; ecx = qlp_coeff[28]
- imul ecx, [edi - 116] ; ecx = qlp_coeff[28] * data[i-29]
- add ebp, ecx ; sum += qlp_coeff[28] * data[i-29]
- mov ecx, [eax + 108] ; ecx = qlp_coeff[27]
- imul ecx, [edi - 112] ; ecx = qlp_coeff[27] * data[i-28]
- add ebp, ecx ; sum += qlp_coeff[27] * data[i-28]
- mov ecx, [eax + 104] ; ecx = qlp_coeff[26]
- imul ecx, [edi - 108] ; ecx = qlp_coeff[26] * data[i-27]
- add ebp, ecx ; sum += qlp_coeff[26] * data[i-27]
- mov ecx, [eax + 100] ; ecx = qlp_coeff[25]
- imul ecx, [edi - 104] ; ecx = qlp_coeff[25] * data[i-26]
- add ebp, ecx ; sum += qlp_coeff[25] * data[i-26]
- mov ecx, [eax + 96] ; ecx = qlp_coeff[24]
- imul ecx, [edi - 100] ; ecx = qlp_coeff[24] * data[i-25]
- add ebp, ecx ; sum += qlp_coeff[24] * data[i-25]
- mov ecx, [eax + 92] ; ecx = qlp_coeff[23]
- imul ecx, [edi - 96] ; ecx = qlp_coeff[23] * data[i-24]
- add ebp, ecx ; sum += qlp_coeff[23] * data[i-24]
- mov ecx, [eax + 88] ; ecx = qlp_coeff[22]
- imul ecx, [edi - 92] ; ecx = qlp_coeff[22] * data[i-23]
- add ebp, ecx ; sum += qlp_coeff[22] * data[i-23]
- mov ecx, [eax + 84] ; ecx = qlp_coeff[21]
- imul ecx, [edi - 88] ; ecx = qlp_coeff[21] * data[i-22]
- add ebp, ecx ; sum += qlp_coeff[21] * data[i-22]
- mov ecx, [eax + 80] ; ecx = qlp_coeff[20]
- imul ecx, [edi - 84] ; ecx = qlp_coeff[20] * data[i-21]
- add ebp, ecx ; sum += qlp_coeff[20] * data[i-21]
- mov ecx, [eax + 76] ; ecx = qlp_coeff[19]
- imul ecx, [edi - 80] ; ecx = qlp_coeff[19] * data[i-20]
- add ebp, ecx ; sum += qlp_coeff[19] * data[i-20]
- mov ecx, [eax + 72] ; ecx = qlp_coeff[18]
- imul ecx, [edi - 76] ; ecx = qlp_coeff[18] * data[i-19]
- add ebp, ecx ; sum += qlp_coeff[18] * data[i-19]
- mov ecx, [eax + 68] ; ecx = qlp_coeff[17]
- imul ecx, [edi - 72] ; ecx = qlp_coeff[17] * data[i-18]
- add ebp, ecx ; sum += qlp_coeff[17] * data[i-18]
- mov ecx, [eax + 64] ; ecx = qlp_coeff[16]
- imul ecx, [edi - 68] ; ecx = qlp_coeff[16] * data[i-17]
- add ebp, ecx ; sum += qlp_coeff[16] * data[i-17]
- mov ecx, [eax + 60] ; ecx = qlp_coeff[15]
- imul ecx, [edi - 64] ; ecx = qlp_coeff[15] * data[i-16]
- add ebp, ecx ; sum += qlp_coeff[15] * data[i-16]
- mov ecx, [eax + 56] ; ecx = qlp_coeff[14]
- imul ecx, [edi - 60] ; ecx = qlp_coeff[14] * data[i-15]
- add ebp, ecx ; sum += qlp_coeff[14] * data[i-15]
- mov ecx, [eax + 52] ; ecx = qlp_coeff[13]
- imul ecx, [edi - 56] ; ecx = qlp_coeff[13] * data[i-14]
- add ebp, ecx ; sum += qlp_coeff[13] * data[i-14]
- mov ecx, [eax + 48] ; ecx = qlp_coeff[12]
- imul ecx, [edi - 52] ; ecx = qlp_coeff[12] * data[i-13]
- add ebp, ecx ; sum += qlp_coeff[12] * data[i-13]
- mov ecx, [eax + 44] ; ecx = qlp_coeff[11]
- imul ecx, [edi - 48] ; ecx = qlp_coeff[11] * data[i-12]
- add ebp, ecx ; sum += qlp_coeff[11] * data[i-12]
- mov ecx, [eax + 40] ; ecx = qlp_coeff[10]
- imul ecx, [edi - 44] ; ecx = qlp_coeff[10] * data[i-11]
- add ebp, ecx ; sum += qlp_coeff[10] * data[i-11]
- mov ecx, [eax + 36] ; ecx = qlp_coeff[ 9]
- imul ecx, [edi - 40] ; ecx = qlp_coeff[ 9] * data[i-10]
- add ebp, ecx ; sum += qlp_coeff[ 9] * data[i-10]
- mov ecx, [eax + 32] ; ecx = qlp_coeff[ 8]
- imul ecx, [edi - 36] ; ecx = qlp_coeff[ 8] * data[i- 9]
- add ebp, ecx ; sum += qlp_coeff[ 8] * data[i- 9]
- mov ecx, [eax + 28] ; ecx = qlp_coeff[ 7]
- imul ecx, [edi - 32] ; ecx = qlp_coeff[ 7] * data[i- 8]
- add ebp, ecx ; sum += qlp_coeff[ 7] * data[i- 8]
- mov ecx, [eax + 24] ; ecx = qlp_coeff[ 6]
- imul ecx, [edi - 28] ; ecx = qlp_coeff[ 6] * data[i- 7]
- add ebp, ecx ; sum += qlp_coeff[ 6] * data[i- 7]
- mov ecx, [eax + 20] ; ecx = qlp_coeff[ 5]
- imul ecx, [edi - 24] ; ecx = qlp_coeff[ 5] * data[i- 6]
- add ebp, ecx ; sum += qlp_coeff[ 5] * data[i- 6]
- mov ecx, [eax + 16] ; ecx = qlp_coeff[ 4]
- imul ecx, [edi - 20] ; ecx = qlp_coeff[ 4] * data[i- 5]
- add ebp, ecx ; sum += qlp_coeff[ 4] * data[i- 5]
- mov ecx, [eax + 12] ; ecx = qlp_coeff[ 3]
- imul ecx, [edi - 16] ; ecx = qlp_coeff[ 3] * data[i- 4]
- add ebp, ecx ; sum += qlp_coeff[ 3] * data[i- 4]
- mov ecx, [eax + 8] ; ecx = qlp_coeff[ 2]
- imul ecx, [edi - 12] ; ecx = qlp_coeff[ 2] * data[i- 3]
- add ebp, ecx ; sum += qlp_coeff[ 2] * data[i- 3]
- mov ecx, [eax + 4] ; ecx = qlp_coeff[ 1]
- imul ecx, [edi - 8] ; ecx = qlp_coeff[ 1] * data[i- 2]
- add ebp, ecx ; sum += qlp_coeff[ 1] * data[i- 2]
- mov ecx, [eax] ; ecx = qlp_coeff[ 0] (NOTE: one byte missing from instruction)
- imul ecx, [edi - 4] ; ecx = qlp_coeff[ 0] * data[i- 1]
- add ebp, ecx ; sum += qlp_coeff[ 0] * data[i- 1]
-.jumper_0:
-
- mov ecx, [esp + 36]
- sar ebp, cl ; ebp = (sum >> lp_quantization)
- add ebp, [esi + edi] ; ebp = residual[i] + (sum >> lp_quantization)
- mov [edi], ebp ; data[i] = residual[i] + (sum >> lp_quantization)
- add edi, byte 4
-
- dec ebx
- jz short .end
- xor ebp, ebp
- jmp edx
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for
-; the channel and qlp_coeffs must be <= 16. Especially note that this routine
-; cannot be used for side-channel coded 16bps channels since the effective bps
-; is 17.
-; WATCHOUT: this routine requires that each data array have a buffer of up to
-; 3 zeroes in front (at negative indices) for alignment purposes, i.e. for each
-; channel n, data[n][-1] through data[n][-3] should be accessible and zero.
- ALIGN 16
-cident FLAC__lpc_restore_signal_asm_ia32_mmx
- ;[esp + 40] data[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] residual[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20]
- mov edi, [esp + 40]
- mov eax, [esp + 32]
- mov ebx, [esp + 24]
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
- cmp eax, byte 4
- jb near FLAC__lpc_restore_signal_asm_ia32.begin
-
- mov edx, [esp + 28]
- movd mm6, [esp + 36]
- mov ebp, esp
-
- and esp, 0xfffffff8
-
- xor ecx, ecx
-.copy_qlp_loop:
- push word [edx + 4 * ecx]
- inc ecx
- cmp ecx, eax
- jnz short .copy_qlp_loop
-
- and ecx, 0x3
- test ecx, ecx
- je short .za_end
- sub ecx, byte 4
-.za_loop:
- push word 0
- inc eax
- inc ecx
- jnz short .za_loop
-.za_end:
-
- movq mm5, [esp + 2 * eax - 8]
- movd mm4, [edi - 16]
- punpckldq mm4, [edi - 12]
- movd mm0, [edi - 8]
- punpckldq mm0, [edi - 4]
- packssdw mm4, mm0
-
- cmp eax, byte 4
- jnbe short .mmx_4more
-
- ALIGN 16
-.mmx_4_loop_i:
- movq mm7, mm4
- pmaddwd mm7, mm5
- movq mm0, mm7
- punpckhdq mm7, mm7
- paddd mm7, mm0
- psrad mm7, mm6
- movd mm1, [esi]
- paddd mm7, mm1
- movd [edi], mm7
- psllq mm7, 48
- psrlq mm4, 16
- por mm4, mm7
-
- add esi, byte 4
- add edi, byte 4
-
- dec ebx
- jnz .mmx_4_loop_i
- jmp .mmx_end
-.mmx_4more:
- shl eax, 2
- neg eax
- add eax, byte 16
- ALIGN 16
-.mmx_4more_loop_i:
- mov ecx, edi
- add ecx, eax
- mov edx, esp
-
- movq mm7, mm4
- pmaddwd mm7, mm5
-
- ALIGN 16
-.mmx_4more_loop_j:
- movd mm0, [ecx - 16]
- punpckldq mm0, [ecx - 12]
- movd mm1, [ecx - 8]
- punpckldq mm1, [ecx - 4]
- packssdw mm0, mm1
- pmaddwd mm0, [edx]
- paddd mm7, mm0
-
- add edx, byte 8
- add ecx, byte 16
- cmp ecx, edi
- jnz .mmx_4more_loop_j
-
- movq mm0, mm7
- punpckhdq mm7, mm7
- paddd mm7, mm0
- psrad mm7, mm6
- movd mm1, [esi]
- paddd mm7, mm1
- movd [edi], mm7
- psllq mm7, 48
- psrlq mm4, 16
- por mm4, mm7
-
- add esi, byte 4
- add edi, byte 4
-
- dec ebx
- jnz short .mmx_4more_loop_i
-.mmx_end:
- emms
- mov esp, ebp
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-
-; **********************************************************************
-;
-;void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-; {
-; unsigned i, j;
-; FLAC__int64 sum;
-;
-; FLAC__ASSERT(order > 0);
-;
-; for(i = 0; i < data_len; i++) {
-; sum = 0;
-; for(j = 0; j < order; j++)
-; sum += qlp_coeff[j] * (FLAC__int64)data[i-j-1];
-; residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
-; }
-; }
- ALIGN 16
-cident FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32
- ;[esp + 40] residual[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] data[]
-
- ;ASSERT(order > 0)
- ;ASSERT(order <= 32)
- ;ASSERT(lp_quantization <= 31)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov ebx, [esp + 24] ; ebx = data_len
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
-
-.begin:
- mov eax, [esp + 32] ; eax = order
- cmp eax, 1
- jg short .i_32
-
- mov esi, [esp + 40] ; esi = residual[]
- mov edi, [esp + 20] ; edi = data[]
- mov ecx, [esp + 28] ; ecx = qlp_coeff[]
- mov ebp, [ecx] ; ebp = qlp_coeff[0]
- mov eax, [edi - 4] ; eax = data[-1]
- mov ecx, [esp + 36] ; cl = lp_quantization
- ALIGN 16
-.i_1_loop_i:
- imul ebp ; edx:eax = qlp_coeff[0] * (FLAC__int64)data[i-1]
- shrd eax, edx, cl ; 0 <= lp_quantization <= 15
- neg eax
- add eax, [edi]
- mov [esi], eax
- mov eax, [edi]
- add esi, 4
- add edi, 4
- dec ebx
- jnz .i_1_loop_i
- jmp .end
-
-.mov_eip_to_eax:
- mov eax, [esp]
- ret
-
-.i_32: ; eax = order
- neg eax
- add eax, eax
- lea ebp, [eax + eax * 4 + .jumper_0 - .get_eip0]
- call .mov_eip_to_eax
-.get_eip0:
- add ebp, eax
- inc ebp ; compensate for the shorter opcode on the last iteration
-
- mov ebx, [esp + 28] ; ebx = qlp_coeff[]
- mov edi, [esp + 20] ; edi = data[]
- sub [esp + 40], edi ; residual[] -= data[]
-
- xor ecx, ecx
- xor esi, esi
- jmp ebp
-
-;eax = --
-;edx = --
-;ecx = 0
-;esi = 0
-;
-;ebx = qlp_coeff[]
-;edi = data[]
-;ebp = @address
-
- mov eax, [ebx + 124] ; eax = qlp_coeff[31]
- imul dword [edi - 128] ; edx:eax = qlp_coeff[31] * data[i-32]
- add ecx, eax
- adc esi, edx ; sum += qlp_coeff[31] * data[i-32]
-
- mov eax, [ebx + 120] ; eax = qlp_coeff[30]
- imul dword [edi - 124] ; edx:eax = qlp_coeff[30] * data[i-31]
- add ecx, eax
- adc esi, edx ; sum += qlp_coeff[30] * data[i-31]
-
- mov eax, [ebx + 116]
- imul dword [edi - 120]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 112]
- imul dword [edi - 116]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 108]
- imul dword [edi - 112]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 104]
- imul dword [edi - 108]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 100]
- imul dword [edi - 104]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 96]
- imul dword [edi - 100]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 92]
- imul dword [edi - 96]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 88]
- imul dword [edi - 92]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 84]
- imul dword [edi - 88]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 80]
- imul dword [edi - 84]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 76]
- imul dword [edi - 80]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 72]
- imul dword [edi - 76]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 68]
- imul dword [edi - 72]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 64]
- imul dword [edi - 68]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 60]
- imul dword [edi - 64]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 56]
- imul dword [edi - 60]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 52]
- imul dword [edi - 56]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 48]
- imul dword [edi - 52]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 44]
- imul dword [edi - 48]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 40]
- imul dword [edi - 44]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 36]
- imul dword [edi - 40]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 32]
- imul dword [edi - 36]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 28]
- imul dword [edi - 32]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 24]
- imul dword [edi - 28]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 20]
- imul dword [edi - 24]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 16]
- imul dword [edi - 20]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 12]
- imul dword [edi - 16]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 8]
- imul dword [edi - 12]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 4]
- imul dword [edi - 8]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx] ; eax = qlp_coeff[ 0] (NOTE: one byte missing from instruction)
- imul dword [edi - 4] ; edx:eax = qlp_coeff[ 0] * data[i- 1]
- add ecx, eax
- adc esi, edx ; sum += qlp_coeff[ 0] * data[i- 1]
-
-.jumper_0:
- mov edx, ecx
-;esi:edx = sum
- mov ecx, [esp + 36] ; cl = lp_quantization
- shrd edx, esi, cl ; edx = (sum >> lp_quantization)
-;eax = --
-;ecx = --
-;edx = sum >> lp_q
-;esi = --
- neg edx ; edx = -(sum >> lp_quantization)
- mov eax, [esp + 40] ; residual[] - data[]
- add edx, [edi] ; edx = data[i] - (sum >> lp_quantization)
- mov [edi + eax], edx
- add edi, 4
-
- dec dword [esp + 24]
- jz short .end
- xor ecx, ecx
- xor esi, esi
- jmp ebp
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; **********************************************************************
-;
-; void FLAC__lpc_restore_signal_wide(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
-; {
-; unsigned i, j;
-; FLAC__int64 sum;
-;
-; FLAC__ASSERT(order > 0);
-;
-; for(i = 0; i < data_len; i++) {
-; sum = 0;
-; for(j = 0; j < order; j++)
-; sum += qlp_coeff[j] * (FLAC__int64)data[i-j-1];
-; data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
-; }
-; }
- ALIGN 16
-cident FLAC__lpc_restore_signal_wide_asm_ia32
- ;[esp + 40] data[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] residual[]
-
- ;ASSERT(order > 0)
- ;ASSERT(order <= 32)
- ;ASSERT(lp_quantization <= 31)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov ebx, [esp + 24] ; ebx = data_len
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
-
-.begin:
- mov eax, [esp + 32] ; eax = order
- cmp eax, 1
- jg short .x87_32
-
- mov esi, [esp + 20] ; esi = residual[]
- mov edi, [esp + 40] ; edi = data[]
- mov ecx, [esp + 28] ; ecx = qlp_coeff[]
- mov ebp, [ecx] ; ebp = qlp_coeff[0]
- mov eax, [edi - 4] ; eax = data[-1]
- mov ecx, [esp + 36] ; cl = lp_quantization
- ALIGN 16
-.x87_1_loop_i:
- imul ebp ; edx:eax = qlp_coeff[0] * (FLAC__int64)data[i-1]
- shrd eax, edx, cl ; 0 <= lp_quantization <= 15
-;
- add eax, [esi]
- mov [edi], eax
-;
- add esi, 4
- add edi, 4
- dec ebx
- jnz .x87_1_loop_i
- jmp .end
-
-.mov_eip_to_eax:
- mov eax, [esp]
- ret
-
-.x87_32: ; eax = order
- neg eax
- add eax, eax
- lea ebp, [eax + eax * 4 + .jumper_0 - .get_eip0]
- call .mov_eip_to_eax
-.get_eip0:
- add ebp, eax
- inc ebp ; compensate for the shorter opcode on the last iteration
-
- mov ebx, [esp + 28] ; ebx = qlp_coeff[]
- mov edi, [esp + 40] ; esi = data[]
- sub [esp + 20], edi ; residual[] -= data[]
-
- xor ecx, ecx
- xor esi, esi
- jmp ebp
-
-;eax = --
-;edx = --
-;ecx = 0
-;esi = 0
-;
-;ebx = qlp_coeff[]
-;edi = data[]
-;ebp = @address
-
- mov eax, [ebx + 124] ; eax = qlp_coeff[31]
- imul dword [edi - 128] ; edx:eax = qlp_coeff[31] * data[i-32]
- add ecx, eax
- adc esi, edx ; sum += qlp_coeff[31] * data[i-32]
-
- mov eax, [ebx + 120] ; eax = qlp_coeff[30]
- imul dword [edi - 124] ; edx:eax = qlp_coeff[30] * data[i-31]
- add ecx, eax
- adc esi, edx ; sum += qlp_coeff[30] * data[i-31]
-
- mov eax, [ebx + 116]
- imul dword [edi - 120]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 112]
- imul dword [edi - 116]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 108]
- imul dword [edi - 112]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 104]
- imul dword [edi - 108]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 100]
- imul dword [edi - 104]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 96]
- imul dword [edi - 100]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 92]
- imul dword [edi - 96]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 88]
- imul dword [edi - 92]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 84]
- imul dword [edi - 88]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 80]
- imul dword [edi - 84]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 76]
- imul dword [edi - 80]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 72]
- imul dword [edi - 76]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 68]
- imul dword [edi - 72]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 64]
- imul dword [edi - 68]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 60]
- imul dword [edi - 64]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 56]
- imul dword [edi - 60]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 52]
- imul dword [edi - 56]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 48]
- imul dword [edi - 52]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 44]
- imul dword [edi - 48]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 40]
- imul dword [edi - 44]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 36]
- imul dword [edi - 40]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 32]
- imul dword [edi - 36]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 28]
- imul dword [edi - 32]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 24]
- imul dword [edi - 28]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 20]
- imul dword [edi - 24]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 16]
- imul dword [edi - 20]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 12]
- imul dword [edi - 16]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 8]
- imul dword [edi - 12]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx + 4]
- imul dword [edi - 8]
- add ecx, eax
- adc esi, edx
-
- mov eax, [ebx] ; eax = qlp_coeff[ 0] (NOTE: one byte missing from instruction)
- imul dword [edi - 4] ; edx:eax = qlp_coeff[ 0] * data[i- 1]
- add ecx, eax
- adc esi, edx ; sum += qlp_coeff[ 0] * data[i- 1]
-
-.jumper_0:
- mov edx, ecx
-;esi:edx = sum
- mov ecx, [esp + 36] ; cl = lp_quantization
- shrd edx, esi, cl ; edx = (sum >> lp_quantization)
-;eax = --
-;ecx = --
-;edx = sum >> lp_q
-;esi = --
-;
- mov eax, [esp + 20] ; residual[] - data[]
- add edx, [edi + eax] ; edx = residual[i] + (sum >> lp_quantization)
- mov [edi], edx ; data[i] = residual[i] + (sum >> lp_quantization)
- add edi, 4
-
- dec dword [esp + 24]
- jz short .end
- xor ecx, ecx
- xor esi, esi
- jmp ebp
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; end
diff --git a/deps/flac-1.3.2/src/libFLAC/ia32/nasm.h b/deps/flac-1.3.2/src/libFLAC/ia32/nasm.h
deleted file mode 100644
index ff479bf..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ia32/nasm.h
+++ /dev/null
@@ -1,90 +0,0 @@
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001-2009 Josh Coalson
-; Copyright (C) 2011-2016 Xiph.Org Foundation
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- bits 32
-
-%ifdef OBJ_FORMAT_win32
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text align=16 class=CODE use32
- %idefine data_section section .data align=32 class=DATA use32
- %idefine bss_section section .bss align=32 class=DATA use32
-%elifdef OBJ_FORMAT_aout
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text
- %idefine data_section section .data
- %idefine bss_section section .bss
-%elifdef OBJ_FORMAT_aoutb
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text
- %idefine data_section section .data
- %idefine bss_section section .bss
-%elifdef OBJ_FORMAT_macho
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text
- %idefine data_section section .data
- %idefine bss_section section .bss
-%elifdef OBJ_FORMAT_elf
- %idefine code_section section .text align=16
- %idefine data_section section .data align=32
- %idefine bss_section section .bss align=32
-%else
- %error unsupported object format! ; this directive doesn't really work here
-%endif
-
-%imacro cglobal 1
- %ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- global _%1
- %else
- %if __NASM_MAJOR__ >= 2
- global %1:function hidden
- %else
- global %1
- %endif
- %endif
-%endmacro
-
-%imacro cextern 1
- %ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- extern _%1
- %else
- extern %1
- %endif
-%endmacro
-
-%imacro cident 1
-_%1:
-%1:
-%endmacro
-
-%ifdef OBJ_FORMAT_elf
-section .note.GNU-stack progbits noalloc noexec nowrite align=1
-%endif
-
diff --git a/deps/flac-1.3.2/src/libFLAC/include/Makefile.am b/deps/flac-1.3.2/src/libFLAC/include/Makefile.am
deleted file mode 100644
index 99e98a4..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/Makefile.am
+++ /dev/null
@@ -1,32 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-SUBDIRS = private protected
diff --git a/deps/flac-1.3.2/src/libFLAC/include/Makefile.in b/deps/flac-1.3.2/src/libFLAC/include/Makefile.in
deleted file mode 100644
index 9d19efb..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/Makefile.in
+++ /dev/null
@@ -1,691 +0,0 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-VPATH = @srcdir@
-am__is_gnu_make = { \
- if test -z '$(MAKELEVEL)'; then \
- false; \
- elif test -n '$(MAKE_HOST)'; then \
- true; \
- elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
- true; \
- else \
- false; \
- fi; \
-}
-am__make_running_with_option = \
- case $${target_option-} in \
- ?) ;; \
- *) echo "am__make_running_with_option: internal error: invalid" \
- "target option '$${target_option-}' specified" >&2; \
- exit 1;; \
- esac; \
- has_opt=no; \
- sane_makeflags=$$MAKEFLAGS; \
- if $(am__is_gnu_make); then \
- sane_makeflags=$$MFLAGS; \
- else \
- case $$MAKEFLAGS in \
- *\\[\ \ ]*) \
- bs=\\; \
- sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
- | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \
- esac; \
- fi; \
- skip_next=no; \
- strip_trailopt () \
- { \
- flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
- }; \
- for flg in $$sane_makeflags; do \
- test $$skip_next = yes && { skip_next=no; continue; }; \
- case $$flg in \
- *=*|--*) continue;; \
- -*I) strip_trailopt 'I'; skip_next=yes;; \
- -*I?*) strip_trailopt 'I';; \
- -*O) strip_trailopt 'O'; skip_next=yes;; \
- -*O?*) strip_trailopt 'O';; \
- -*l) strip_trailopt 'l'; skip_next=yes;; \
- -*l?*) strip_trailopt 'l';; \
- -[dEDm]) skip_next=yes;; \
- -[JT]) skip_next=yes;; \
- esac; \
- case $$flg in \
- *$$target_option*) has_opt=yes; break;; \
- esac; \
- done; \
- test $$has_opt = yes
-am__make_dryrun = (target_option=n; $(am__make_running_with_option))
-am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_triplet = @build@
-host_triplet = @host@
-subdir = src/libFLAC/include
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-installcheck-am:
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-maintainer-clean: maintainer-clean-am
- -rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-generic mostlyclean-libtool
-
-pdf: pdf-am
-
-pdf-am:
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-ps: ps-am
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-ps-am:
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-uninstall-am:
-
-.MAKE: install-am install-strip
-
-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
- clean-libtool cscopelist-am ctags ctags-am distclean \
- distclean-generic distclean-libtool distclean-tags distdir dvi \
- dvi-am html html-am info info-am install install-am \
- install-data install-data-am install-dvi install-dvi-am \
- install-exec install-exec-am install-html install-html-am \
- install-info install-info-am install-man install-pdf \
- install-pdf-am install-ps install-ps-am install-strip \
- installcheck installcheck-am installdirs maintainer-clean \
- maintainer-clean-generic mostlyclean mostlyclean-generic \
- mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
- uninstall-am
-
-.PRECIOUS: Makefile
-
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/all.h b/deps/flac-1.3.2/src/libFLAC/include/private/all.h
deleted file mode 100644
index 7715962..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/all.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__ALL_H
-#define FLAC__PRIVATE__ALL_H
-
-#include "bitmath.h"
-#include "bitreader.h"
-#include "bitwriter.h"
-#include "cpu.h"
-#include "crc.h"
-#include "fixed.h"
-#include "float.h"
-#include "format.h"
-#include "lpc.h"
-#include "md5.h"
-#include "memory.h"
-#include "metadata.h"
-#include "stream_encoder_framing.h"
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/bitmath.h b/deps/flac-1.3.2/src/libFLAC/include/private/bitmath.h
deleted file mode 100644
index 9c75f85..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/bitmath.h
+++ /dev/null
@@ -1,210 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__BITMATH_H
-#define FLAC__PRIVATE__BITMATH_H
-
-#include "FLAC/ordinals.h"
-#include "FLAC/assert.h"
-
-#include "share/compat.h"
-
-#if defined(_MSC_VER)
-#include <intrin.h> /* for _BitScanReverse* */
-#endif
-
-/* Will never be emitted for MSVC, GCC, Intel compilers */
-static inline unsigned int FLAC__clz_soft_uint32(FLAC__uint32 word)
-{
- static const unsigned char byte_to_unary_table[] = {
- 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- };
-
- return word > 0xffffff ? byte_to_unary_table[word >> 24] :
- word > 0xffff ? byte_to_unary_table[word >> 16] + 8 :
- word > 0xff ? byte_to_unary_table[word >> 8] + 16 :
- byte_to_unary_table[word] + 24;
-}
-
-static inline unsigned int FLAC__clz_uint32(FLAC__uint32 v)
-{
-/* Never used with input 0 */
- FLAC__ASSERT(v > 0);
-#if defined(__INTEL_COMPILER)
- return _bit_scan_reverse(v) ^ 31U;
-#elif defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-/* This will translate either to (bsr ^ 31U), clz , ctlz, cntlz, lzcnt depending on
- * -march= setting or to a software routine in exotic machines. */
- return __builtin_clz(v);
-#elif defined(_MSC_VER)
- {
- unsigned long idx;
- _BitScanReverse(&idx, v);
- return idx ^ 31U;
- }
-#else
- return FLAC__clz_soft_uint32(v);
-#endif
-}
-
-/* Used when 64-bit bsr/clz is unavailable; can use 32-bit bsr/clz when possible */
-static inline unsigned int FLAC__clz_soft_uint64(FLAC__uint64 word)
-{
- return (FLAC__uint32)(word>>32) ? FLAC__clz_uint32((FLAC__uint32)(word>>32)) :
- FLAC__clz_uint32((FLAC__uint32)word) + 32;
-}
-
-static inline unsigned int FLAC__clz_uint64(FLAC__uint64 v)
-{
- /* Never used with input 0 */
- FLAC__ASSERT(v > 0);
-#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
- return __builtin_clzll(v);
-#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64))
- {
- unsigned long idx;
- _BitScanReverse64(&idx, v);
- return idx ^ 63U;
- }
-#else
- return FLAC__clz_soft_uint64(v);
-#endif
-}
-
-/* These two functions work with input 0 */
-static inline unsigned int FLAC__clz2_uint32(FLAC__uint32 v)
-{
- if (!v)
- return 32;
- return FLAC__clz_uint32(v);
-}
-
-static inline unsigned int FLAC__clz2_uint64(FLAC__uint64 v)
-{
- if (!v)
- return 64;
- return FLAC__clz_uint64(v);
-}
-
-/* An example of what FLAC__bitmath_ilog2() computes:
- *
- * ilog2( 0) = assertion failure
- * ilog2( 1) = 0
- * ilog2( 2) = 1
- * ilog2( 3) = 1
- * ilog2( 4) = 2
- * ilog2( 5) = 2
- * ilog2( 6) = 2
- * ilog2( 7) = 2
- * ilog2( 8) = 3
- * ilog2( 9) = 3
- * ilog2(10) = 3
- * ilog2(11) = 3
- * ilog2(12) = 3
- * ilog2(13) = 3
- * ilog2(14) = 3
- * ilog2(15) = 3
- * ilog2(16) = 4
- * ilog2(17) = 4
- * ilog2(18) = 4
- */
-
-static inline unsigned FLAC__bitmath_ilog2(FLAC__uint32 v)
-{
- FLAC__ASSERT(v > 0);
-#if defined(__INTEL_COMPILER)
- return _bit_scan_reverse(v);
-#elif defined(_MSC_VER)
- {
- unsigned long idx;
- _BitScanReverse(&idx, v);
- return idx;
- }
-#else
- return FLAC__clz_uint32(v) ^ 31U;
-#endif
-}
-
-static inline unsigned FLAC__bitmath_ilog2_wide(FLAC__uint64 v)
-{
- FLAC__ASSERT(v > 0);
-#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
- return __builtin_clzll(v) ^ 63U;
-/* Sorry, only supported in x64/Itanium.. and both have fast FPU which makes integer-only encoder pointless */
-#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64))
- {
- unsigned long idx;
- _BitScanReverse64(&idx, v);
- return idx;
- }
-#else
-/* Brain-damaged compilers will use the fastest possible way that is,
- de Bruijn sequences (http://supertech.csail.mit.edu/papers/debruijn.pdf)
- (C) Timothy B. Terriberry (tterribe@xiph.org) 2001-2009 CC0 (Public domain).
-*/
- {
- static const unsigned char DEBRUIJN_IDX64[64]={
- 0, 1, 2, 7, 3,13, 8,19, 4,25,14,28, 9,34,20,40,
- 5,17,26,38,15,46,29,48,10,31,35,54,21,50,41,57,
- 63, 6,12,18,24,27,33,39,16,37,45,47,30,53,49,56,
- 62,11,23,32,36,44,52,55,61,22,43,51,60,42,59,58
- };
- v|= v>>1;
- v|= v>>2;
- v|= v>>4;
- v|= v>>8;
- v|= v>>16;
- v|= v>>32;
- v= (v>>1)+1;
- return DEBRUIJN_IDX64[v*FLAC__U64L(0x218A392CD3D5DBF)>>58&0x3F];
- }
-#endif
-}
-
-unsigned FLAC__bitmath_silog2(FLAC__int64 v);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/bitreader.h b/deps/flac-1.3.2/src/libFLAC/include/private/bitreader.h
deleted file mode 100644
index 7c73165..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/bitreader.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__BITREADER_H
-#define FLAC__PRIVATE__BITREADER_H
-
-#include <stdio.h> /* for FILE */
-#include "FLAC/ordinals.h"
-#include "cpu.h"
-
-/*
- * opaque structure definition
- */
-struct FLAC__BitReader;
-typedef struct FLAC__BitReader FLAC__BitReader;
-
-typedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *bytes, void *client_data);
-
-/*
- * construction, deletion, initialization, etc functions
- */
-FLAC__BitReader *FLAC__bitreader_new(void);
-void FLAC__bitreader_delete(FLAC__BitReader *br);
-FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__BitReaderReadCallback rcb, void *cd);
-void FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */
-FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br);
-void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out);
-
-/*
- * CRC functions
- */
-void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed);
-FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br);
-
-/*
- * info functions
- */
-FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br);
-unsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br);
-unsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br);
-
-/*
- * read functions
- */
-
-FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, unsigned bits);
-FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, unsigned bits);
-FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, unsigned bits);
-FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); /*only for bits=32*/
-FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, unsigned bits); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */
-FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, unsigned nvals); /* WATCHOUT: does not CRC the read data! */
-FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, unsigned nvals); /* WATCHOUT: does not CRC the read data! */
-FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, unsigned *val);
-FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, unsigned parameter);
-FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter);
-#if 0 /* UNUSED */
-FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, unsigned parameter);
-FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, unsigned *val, unsigned parameter);
-#endif
-FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, unsigned *rawlen);
-FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, unsigned *rawlen);
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/bitwriter.h b/deps/flac-1.3.2/src/libFLAC/include/private/bitwriter.h
deleted file mode 100644
index ef3ad1b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/bitwriter.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__BITWRITER_H
-#define FLAC__PRIVATE__BITWRITER_H
-
-#include <stdio.h> /* for FILE */
-#include "FLAC/ordinals.h"
-
-/*
- * opaque structure definition
- */
-struct FLAC__BitWriter;
-typedef struct FLAC__BitWriter FLAC__BitWriter;
-
-/*
- * construction, deletion, initialization, etc functions
- */
-FLAC__BitWriter *FLAC__bitwriter_new(void);
-void FLAC__bitwriter_delete(FLAC__BitWriter *bw);
-FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw);
-void FLAC__bitwriter_free(FLAC__BitWriter *bw); /* does not 'free(buffer)' */
-void FLAC__bitwriter_clear(FLAC__BitWriter *bw);
-void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out);
-
-/*
- * CRC functions
- *
- * non-const *bw because they have to cal FLAC__bitwriter_get_buffer()
- */
-FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc);
-FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc);
-
-/*
- * info functions
- */
-FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw);
-unsigned FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw); /* can be called anytime, returns total # of bits unconsumed */
-
-/*
- * direct buffer access
- *
- * there may be no calls on the bitwriter between get and release.
- * the bitwriter continues to own the returned buffer.
- * before get, bitwriter MUST be byte aligned: check with FLAC__bitwriter_is_byte_aligned()
- */
-FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes);
-void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw);
-
-/*
- * write functions
- */
-FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, unsigned bits);
-FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, unsigned bits);
-FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, unsigned bits);
-FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, unsigned bits);
-FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val); /*only for bits=32*/
-FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], unsigned nvals);
-FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, unsigned val);
-unsigned FLAC__bitwriter_rice_bits(FLAC__int32 val, unsigned parameter);
-#if 0 /* UNUSED */
-unsigned FLAC__bitwriter_golomb_bits_signed(int val, unsigned parameter);
-unsigned FLAC__bitwriter_golomb_bits_unsigned(unsigned val, unsigned parameter);
-#endif
-FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, unsigned parameter);
-FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, unsigned nvals, unsigned parameter);
-#if 0 /* UNUSED */
-FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, unsigned parameter);
-FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, unsigned val, unsigned parameter);
-#endif
-FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val);
-FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val);
-FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/cpu.h b/deps/flac-1.3.2/src/libFLAC/include/private/cpu.h
deleted file mode 100644
index 7c65180..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/cpu.h
+++ /dev/null
@@ -1,186 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__CPU_H
-#define FLAC__PRIVATE__CPU_H
-
-#include "FLAC/ordinals.h"
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifndef FLAC__CPU_X86_64
-
-#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
-#define FLAC__CPU_X86_64
-#endif
-
-#endif
-
-#ifndef FLAC__CPU_IA32
-
-#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
-#define FLAC__CPU_IA32
-#endif
-
-#endif
-
-
-#if FLAC__HAS_X86INTRIN
-/* SSE intrinsics support by ICC/MSVC/GCC */
-#if defined __INTEL_COMPILER
- #define FLAC__SSE_TARGET(x)
- #define FLAC__SSE_SUPPORTED 1
- #define FLAC__SSE2_SUPPORTED 1
- #if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */
- #define FLAC__SSSE3_SUPPORTED 1
- #define FLAC__SSE4_1_SUPPORTED 1
- #endif
- #if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */
- #define FLAC__AVX_SUPPORTED 1
- #endif
- #if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */
- #define FLAC__AVX2_SUPPORTED 1
- #define FLAC__FMA_SUPPORTED 1
- #endif
-#elif defined _MSC_VER
- #define FLAC__SSE_TARGET(x)
- #define FLAC__SSE_SUPPORTED 1
- #define FLAC__SSE2_SUPPORTED 1
- #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
- #define FLAC__SSSE3_SUPPORTED 1
- #define FLAC__SSE4_1_SUPPORTED 1
- #endif
- #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
- #define FLAC__AVX_SUPPORTED 1
- #endif
- #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
- #define FLAC__AVX2_SUPPORTED 1
- #define FLAC__FMA_SUPPORTED 1
- #endif
-#elif defined __GNUC__
- #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* since GCC 4.9 -msse.. compiler options aren't necessary */
- #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
- #define FLAC__SSE_SUPPORTED 1
- #define FLAC__SSE2_SUPPORTED 1
- #define FLAC__SSSE3_SUPPORTED 1
- #define FLAC__SSE4_1_SUPPORTED 1
-#ifdef FLAC__USE_AVX
- #define FLAC__AVX_SUPPORTED 1
- #define FLAC__AVX2_SUPPORTED 1
- #define FLAC__FMA_SUPPORTED 1
-#endif
- #else /* for GCC older than 4.9 */
- #define FLAC__SSE_TARGET(x)
- #ifdef __SSE__
- #define FLAC__SSE_SUPPORTED 1
- #endif
- #ifdef __SSE2__
- #define FLAC__SSE2_SUPPORTED 1
- #endif
- #ifdef __SSSE3__
- #define FLAC__SSSE3_SUPPORTED 1
- #endif
- #ifdef __SSE4_1__
- #define FLAC__SSE4_1_SUPPORTED 1
- #endif
- #ifdef __AVX__
- #define FLAC__AVX_SUPPORTED 1
- #endif
- #ifdef __AVX2__
- #define FLAC__AVX2_SUPPORTED 1
- #endif
- #ifdef __FMA__
- #define FLAC__FMA_SUPPORTED 1
- #endif
- #endif /* GCC version */
-#endif /* compiler version */
-#endif /* intrinsics support */
-
-
-#ifndef FLAC__AVX_SUPPORTED
-#define FLAC__AVX_SUPPORTED 0
-#endif
-
-typedef enum {
- FLAC__CPUINFO_TYPE_IA32,
- FLAC__CPUINFO_TYPE_X86_64,
- FLAC__CPUINFO_TYPE_UNKNOWN
-} FLAC__CPUInfo_Type;
-
-typedef struct {
- FLAC__bool intel;
-
- FLAC__bool cmov;
- FLAC__bool mmx;
- FLAC__bool sse;
- FLAC__bool sse2;
-
- FLAC__bool sse3;
- FLAC__bool ssse3;
- FLAC__bool sse41;
- FLAC__bool sse42;
- FLAC__bool avx;
- FLAC__bool avx2;
- FLAC__bool fma;
-} FLAC__CPUInfo_IA32;
-
-typedef struct {
- FLAC__bool intel;
-
- FLAC__bool sse3;
- FLAC__bool ssse3;
- FLAC__bool sse41;
- FLAC__bool sse42;
- FLAC__bool avx;
- FLAC__bool avx2;
- FLAC__bool fma;
-} FLAC__CPUInfo_x86;
-
-
-typedef struct {
- FLAC__bool use_asm;
- FLAC__CPUInfo_Type type;
- FLAC__CPUInfo_IA32 ia32;
- FLAC__CPUInfo_x86 x86;
-} FLAC__CPUInfo;
-
-void FLAC__cpu_info(FLAC__CPUInfo *info);
-
-FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void);
-
-void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx);
-
-void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/crc.h b/deps/flac-1.3.2/src/libFLAC/include/private/crc.h
deleted file mode 100644
index 294f60e..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/crc.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__CRC_H
-#define FLAC__PRIVATE__CRC_H
-
-#include "FLAC/ordinals.h"
-
-/* 8 bit CRC generator, MSB shifted first
-** polynomial = x^8 + x^2 + x^1 + x^0
-** init = 0
-*/
-extern FLAC__byte const FLAC__crc8_table[256];
-#define FLAC__CRC8_UPDATE(data, crc) (crc) = FLAC__crc8_table[(crc) ^ (data)];
-void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc);
-void FLAC__crc8_update_block(const FLAC__byte *data, unsigned len, FLAC__uint8 *crc);
-FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len);
-
-/* 16 bit CRC generator, MSB shifted first
-** polynomial = x^16 + x^15 + x^2 + x^0
-** init = 0
-*/
-extern unsigned const FLAC__crc16_table[256];
-
-#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[((crc)>>8) ^ (data)])
-/* this alternate may be faster on some systems/compilers */
-#if 0
-#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]) & 0xffff)
-#endif
-
-unsigned FLAC__crc16(const FLAC__byte *data, unsigned len);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/fixed.h b/deps/flac-1.3.2/src/libFLAC/include/private/fixed.h
deleted file mode 100644
index 68cdfce..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/fixed.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__FIXED_H
-#define FLAC__PRIVATE__FIXED_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "private/cpu.h"
-#include "private/float.h"
-#include "FLAC/format.h"
-
-/*
- * FLAC__fixed_compute_best_predictor()
- * --------------------------------------------------------------------
- * Compute the best fixed predictor and the expected bits-per-sample
- * of the residual signal for each order. The _wide() version uses
- * 64-bit integers which is statistically necessary when bits-per-
- * sample + log2(blocksize) > 30
- *
- * IN data[0,data_len-1]
- * IN data_len
- * OUT residual_bits_per_sample[0,FLAC__MAX_FIXED_ORDER]
- */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-# ifndef FLAC__NO_ASM
-# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-# ifdef FLAC__SSE2_SUPPORTED
-unsigned FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
-unsigned FLAC__fixed_compute_best_predictor_wide_intrin_sse2(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
-# endif
-# ifdef FLAC__SSSE3_SUPPORTED
-unsigned FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-unsigned FLAC__fixed_compute_best_predictor_wide_intrin_ssse3(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
-# endif
-# endif
-# if defined FLAC__CPU_IA32 && defined FLAC__HAS_NASM
-unsigned FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-# endif
-# endif
-#else
-unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-unsigned FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-#endif
-
-/*
- * FLAC__fixed_compute_residual()
- * --------------------------------------------------------------------
- * Compute the residual signal obtained from sutracting the predicted
- * signal from the original.
- *
- * IN data[-order,data_len-1] original signal (NOTE THE INDICES!)
- * IN data_len length of original signal
- * IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
- * OUT residual[0,data_len-1] residual signal
- */
-void FLAC__fixed_compute_residual(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[]);
-
-/*
- * FLAC__fixed_restore_signal()
- * --------------------------------------------------------------------
- * Restore the original signal by summing the residual and the
- * predictor.
- *
- * IN residual[0,data_len-1] residual signal
- * IN data_len length of original signal
- * IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
- * *** IMPORTANT: the caller must pass in the historical samples:
- * IN data[-order,-1] previously-reconstructed historical samples
- * OUT data[0,data_len-1] original signal
- */
-void FLAC__fixed_restore_signal(const FLAC__int32 residual[], unsigned data_len, unsigned order, FLAC__int32 data[]);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/float.h b/deps/flac-1.3.2/src/libFLAC/include/private/float.h
deleted file mode 100644
index 12ece60..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/float.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2004-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__FLOAT_H
-#define FLAC__PRIVATE__FLOAT_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "FLAC/ordinals.h"
-
-/*
- * All the code in libFLAC that uses float and double
- * should be protected by checks of the macro
- * FLAC__INTEGER_ONLY_LIBRARY.
- *
- */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-/*
- * FLAC__real is the basic floating point type used in LPC analysis.
- *
- * WATCHOUT: changing FLAC__real will change the signatures of many
- * functions that have assembly language equivalents and break them.
- */
-typedef float FLAC__real;
-#else
-/*
- * The convention for FLAC__fixedpoint is to use the upper 16 bits
- * for the integer part and lower 16 bits for the fractional part.
- */
-typedef FLAC__int32 FLAC__fixedpoint;
-extern const FLAC__fixedpoint FLAC__FP_ZERO;
-extern const FLAC__fixedpoint FLAC__FP_ONE_HALF;
-extern const FLAC__fixedpoint FLAC__FP_ONE;
-extern const FLAC__fixedpoint FLAC__FP_LN2;
-extern const FLAC__fixedpoint FLAC__FP_E;
-
-#define FLAC__fixedpoint_trunc(x) ((x)>>16)
-
-#define FLAC__fixedpoint_mul(x, y) ( (FLAC__fixedpoint) ( ((FLAC__int64)(x)*(FLAC__int64)(y)) >> 16 ) )
-
-#define FLAC__fixedpoint_div(x, y) ( (FLAC__fixedpoint) ( ( ((FLAC__int64)(x)<<32) / (FLAC__int64)(y) ) >> 16 ) )
-
-/*
- * FLAC__fixedpoint_log2()
- * --------------------------------------------------------------------
- * Returns the base-2 logarithm of the fixed-point number 'x' using an
- * algorithm by Knuth for x >= 1.0
- *
- * 'fracbits' is the number of fractional bits of 'x'. 'fracbits' must
- * be < 32 and evenly divisible by 4 (0 is OK but not very precise).
- *
- * 'precision' roughly limits the number of iterations that are done;
- * use (unsigned)(-1) for maximum precision.
- *
- * If 'x' is less than one -- that is, x < (1<<fracbits) -- then this
- * function will punt and return 0.
- *
- * The return value will also have 'fracbits' fractional bits.
- */
-FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, unsigned fracbits, unsigned precision);
-
-#endif
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/format.h b/deps/flac-1.3.2/src/libFLAC/include/private/format.h
deleted file mode 100644
index 5b9cfbd..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/format.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__FORMAT_H
-#define FLAC__PRIVATE__FORMAT_H
-
-#include "FLAC/format.h"
-
-unsigned FLAC__format_get_max_rice_partition_order(unsigned blocksize, unsigned predictor_order);
-unsigned FLAC__format_get_max_rice_partition_order_from_blocksize(unsigned blocksize);
-unsigned FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(unsigned limit, unsigned blocksize, unsigned predictor_order);
-void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object);
-void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object);
-FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, unsigned max_partition_order);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/lpc.h b/deps/flac-1.3.2/src/libFLAC/include/private/lpc.h
deleted file mode 100644
index 6eb02be..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/lpc.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__LPC_H
-#define FLAC__PRIVATE__LPC_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "private/cpu.h"
-#include "private/float.h"
-#include "FLAC/format.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-/*
- * FLAC__lpc_window_data()
- * --------------------------------------------------------------------
- * Applies the given window to the data.
- * OPT: asm implementation
- *
- * IN in[0,data_len-1]
- * IN window[0,data_len-1]
- * OUT out[0,lag-1]
- * IN data_len
- */
-void FLAC__lpc_window_data(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], unsigned data_len);
-
-/*
- * FLAC__lpc_compute_autocorrelation()
- * --------------------------------------------------------------------
- * Compute the autocorrelation for lags between 0 and lag-1.
- * Assumes data[] outside of [0,data_len-1] == 0.
- * Asserts that lag > 0.
- *
- * IN data[0,data_len-1]
- * IN data_len
- * IN 0 < lag <= data_len
- * OUT autoc[0,lag-1]
- */
-void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-#ifndef FLAC__NO_ASM
-# ifdef FLAC__CPU_IA32
-# ifdef FLAC__HAS_NASM
-void FLAC__lpc_compute_autocorrelation_asm_ia32(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-# endif
-# endif
-# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-# ifdef FLAC__SSE_SUPPORTED
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
-# endif
-# endif
-#endif
-
-/*
- * FLAC__lpc_compute_lp_coefficients()
- * --------------------------------------------------------------------
- * Computes LP coefficients for orders 1..max_order.
- * Do not call if autoc[0] == 0.0. This means the signal is zero
- * and there is no point in calculating a predictor.
- *
- * IN autoc[0,max_order] autocorrelation values
- * IN 0 < max_order <= FLAC__MAX_LPC_ORDER max LP order to compute
- * OUT lp_coeff[0,max_order-1][0,max_order-1] LP coefficients for each order
- * *** IMPORTANT:
- * *** lp_coeff[0,max_order-1][max_order,FLAC__MAX_LPC_ORDER-1] are untouched
- * OUT error[0,max_order-1] error for each order (more
- * specifically, the variance of
- * the error signal times # of
- * samples in the signal)
- *
- * Example: if max_order is 9, the LP coefficients for order 9 will be
- * in lp_coeff[8][0,8], the LP coefficients for order 8 will be
- * in lp_coeff[7][0,7], etc.
- */
-void FLAC__lpc_compute_lp_coefficients(const FLAC__real autoc[], unsigned *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], double error[]);
-
-/*
- * FLAC__lpc_quantize_coefficients()
- * --------------------------------------------------------------------
- * Quantizes the LP coefficients. NOTE: precision + bits_per_sample
- * must be less than 32 (sizeof(FLAC__int32)*8).
- *
- * IN lp_coeff[0,order-1] LP coefficients
- * IN order LP order
- * IN FLAC__MIN_QLP_COEFF_PRECISION < precision
- * desired precision (in bits, including sign
- * bit) of largest coefficient
- * OUT qlp_coeff[0,order-1] quantized coefficients
- * OUT shift # of bits to shift right to get approximated
- * LP coefficients. NOTE: could be negative.
- * RETURN 0 => quantization OK
- * 1 => coefficients require too much shifting for *shift to
- * fit in the LPC subframe header. 'shift' is unset.
- * 2 => coefficients are all zero, which is bad. 'shift' is
- * unset.
- */
-int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order, unsigned precision, FLAC__int32 qlp_coeff[], int *shift);
-
-/*
- * FLAC__lpc_compute_residual_from_qlp_coefficients()
- * --------------------------------------------------------------------
- * Compute the residual signal obtained from sutracting the predicted
- * signal from the original.
- *
- * IN data[-order,data_len-1] original signal (NOTE THE INDICES!)
- * IN data_len length of original signal
- * IN qlp_coeff[0,order-1] quantized LP coefficients
- * IN order > 0 LP order
- * IN lp_quantization quantization of LP coefficients in bits
- * OUT residual[0,data_len-1] residual signal
- */
-void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-#ifndef FLAC__NO_ASM
-# ifdef FLAC__CPU_IA32
-# ifdef FLAC__HAS_NASM
-void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-# endif
-# endif
-# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-# ifdef FLAC__SSE2_SUPPORTED
-void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-# endif
-# ifdef FLAC__SSE4_1_SUPPORTED
-void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-# endif
-# ifdef FLAC__AVX2_SUPPORTED
-void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-# endif
-# endif
-#endif
-
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
-
-/*
- * FLAC__lpc_restore_signal()
- * --------------------------------------------------------------------
- * Restore the original signal by summing the residual and the
- * predictor.
- *
- * IN residual[0,data_len-1] residual signal
- * IN data_len length of original signal
- * IN qlp_coeff[0,order-1] quantized LP coefficients
- * IN order > 0 LP order
- * IN lp_quantization quantization of LP coefficients in bits
- * *** IMPORTANT: the caller must pass in the historical samples:
- * IN data[-order,-1] previously-reconstructed historical samples
- * OUT data[0,data_len-1] original signal
- */
-void FLAC__lpc_restore_signal(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-void FLAC__lpc_restore_signal_wide(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-#ifndef FLAC__NO_ASM
-# ifdef FLAC__CPU_IA32
-# ifdef FLAC__HAS_NASM
-void FLAC__lpc_restore_signal_asm_ia32(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-void FLAC__lpc_restore_signal_asm_ia32_mmx(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-void FLAC__lpc_restore_signal_wide_asm_ia32(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-# endif /* FLAC__HAS_NASM */
-# endif /* FLAC__CPU_IA32 */
-# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-# ifdef FLAC__SSE2_SUPPORTED
-void FLAC__lpc_restore_signal_16_intrin_sse2(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-# endif
-# ifdef FLAC__SSE4_1_SUPPORTED
-void FLAC__lpc_restore_signal_wide_intrin_sse41(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
-# endif
-# endif
-#endif /* FLAC__NO_ASM */
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-/*
- * FLAC__lpc_compute_expected_bits_per_residual_sample()
- * --------------------------------------------------------------------
- * Compute the expected number of bits per residual signal sample
- * based on the LP error (which is related to the residual variance).
- *
- * IN lpc_error >= 0.0 error returned from calculating LP coefficients
- * IN total_samples > 0 # of samples in residual signal
- * RETURN expected bits per sample
- */
-double FLAC__lpc_compute_expected_bits_per_residual_sample(double lpc_error, unsigned total_samples);
-double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(double lpc_error, double error_scale);
-
-/*
- * FLAC__lpc_compute_best_order()
- * --------------------------------------------------------------------
- * Compute the best order from the array of signal errors returned
- * during coefficient computation.
- *
- * IN lpc_error[0,max_order-1] >= 0.0 error returned from calculating LP coefficients
- * IN max_order > 0 max LP order
- * IN total_samples > 0 # of samples in residual signal
- * IN overhead_bits_per_order # of bits overhead for each increased LP order
- * (includes warmup sample size and quantized LP coefficient)
- * RETURN [1,max_order] best order
- */
-unsigned FLAC__lpc_compute_best_order(const double lpc_error[], unsigned max_order, unsigned total_samples, unsigned overhead_bits_per_order);
-
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/macros.h b/deps/flac-1.3.2/src/libFLAC/include/private/macros.h
deleted file mode 100644
index a5d9a90..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/macros.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2012-2016 Xiph.org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__MACROS_H
-#define FLAC__PRIVATE__MACROS_H
-
-#if defined(__GNUC__) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 3))
-
-#define flac_max(a,b) \
- ({ __typeof__ (a) _a = (a); \
- __typeof__ (b) _b = (b); \
- _a > _b ? _a : _b; })
-
-#define MIN_PASTE(A,B) A##B
-#define MIN_IMPL(A,B,L) ({ \
- __typeof__(A) MIN_PASTE(__a,L) = (A); \
- __typeof__(B) MIN_PASTE(__b,L) = (B); \
- MIN_PASTE(__a,L) < MIN_PASTE(__b,L) ? MIN_PASTE(__a,L) : MIN_PASTE(__b,L); \
- })
-
-#define flac_min(A,B) MIN_IMPL(A,B,__COUNTER__)
-
-/* Whatever other unix that has sys/param.h */
-#elif defined(HAVE_SYS_PARAM_H)
-#define flac_max(a,b) MAX(a,b)
-#define flac_min(a,b) MIN(a,b)
-
-/* Windows VS has them in stdlib.h.. XXX:Untested */
-#elif defined(_MSC_VER)
-#include <stdlib.h>
-#define flac_max(a,b) __max(a,b)
-#define flac_min(a,b) __min(a,b)
-#endif
-
-#ifndef MIN
-#define MIN(x,y) ((x) <= (y) ? (x) : (y))
-#endif
-
-#ifndef MAX
-#define MAX(x,y) ((x) >= (y) ? (x) : (y))
-#endif
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/md5.h b/deps/flac-1.3.2/src/libFLAC/include/private/md5.h
deleted file mode 100644
index c665ab3..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/md5.h
+++ /dev/null
@@ -1,50 +0,0 @@
-#ifndef FLAC__PRIVATE__MD5_H
-#define FLAC__PRIVATE__MD5_H
-
-/*
- * This is the header file for the MD5 message-digest algorithm.
- * The algorithm is due to Ron Rivest. This code was
- * written by Colin Plumb in 1993, no copyright is claimed.
- * This code is in the public domain; do with it what you wish.
- *
- * Equivalent code is available from RSA Data Security, Inc.
- * This code has been tested against that, and is equivalent,
- * except that you don't need to include two pages of legalese
- * with every copy.
- *
- * To compute the message digest of a chunk of bytes, declare an
- * MD5Context structure, pass it to MD5Init, call MD5Update as
- * needed on buffers full of bytes, and then call MD5Final, which
- * will fill a supplied 16-byte array with the digest.
- *
- * Changed so as no longer to depend on Colin Plumb's `usual.h'
- * header definitions; now uses stuff from dpkg's config.h
- * - Ian Jackson <ijackson@nyx.cs.du.edu>.
- * Still in the public domain.
- *
- * Josh Coalson: made some changes to integrate with libFLAC.
- * Still in the public domain, with no warranty.
- */
-
-#include "FLAC/ordinals.h"
-
-typedef union {
- FLAC__byte *p8;
- FLAC__int16 *p16;
- FLAC__int32 *p32;
-} FLAC__multibyte;
-
-typedef struct {
- FLAC__uint32 in[16];
- FLAC__uint32 buf[4];
- FLAC__uint32 bytes[2];
- FLAC__multibyte internal_buf;
- size_t capacity;
-} FLAC__MD5Context;
-
-void FLAC__MD5Init(FLAC__MD5Context *context);
-void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *context);
-
-FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/memory.h b/deps/flac-1.3.2/src/libFLAC/include/private/memory.h
deleted file mode 100644
index f103c53..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/memory.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__MEMORY_H
-#define FLAC__PRIVATE__MEMORY_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h> /* for size_t */
-
-#include "private/float.h"
-#include "FLAC/ordinals.h" /* for FLAC__bool */
-
-/* Returns the unaligned address returned by malloc.
- * Use free() on this address to deallocate.
- */
-void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address);
-FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer);
-FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer);
-FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer);
-FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(size_t elements, unsigned **unaligned_pointer, unsigned **aligned_pointer);
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer);
-#endif
-void *safe_malloc_mul_2op_p(size_t size1, size_t size2);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/metadata.h b/deps/flac-1.3.2/src/libFLAC/include/private/metadata.h
deleted file mode 100644
index 161947f..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/metadata.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2002-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__METADATA_H
-#define FLAC__PRIVATE__METADATA_H
-
-#include "FLAC/metadata.h"
-
-/* WATCHOUT: all malloc()ed data in the block is free()ed; this may not
- * be a consistent state (e.g. PICTURE) or equivalent to the initial
- * state after FLAC__metadata_object_new()
- */
-void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object);
-
-void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_decoder_aspect.h b/deps/flac-1.3.2/src/libFLAC/include/private/ogg_decoder_aspect.h
deleted file mode 100644
index 218f44e..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_decoder_aspect.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2002-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__OGG_DECODER_ASPECT_H
-#define FLAC__PRIVATE__OGG_DECODER_ASPECT_H
-
-#include <ogg/ogg.h>
-
-#include "FLAC/ordinals.h"
-#include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */
-
-typedef struct FLAC__OggDecoderAspect {
- /* these are storage for values that can be set through the API */
- FLAC__bool use_first_serial_number;
- long serial_number;
-
- /* these are for internal state related to Ogg decoding */
- ogg_stream_state stream_state;
- ogg_sync_state sync_state;
- unsigned version_major, version_minor;
- FLAC__bool need_serial_number;
- FLAC__bool end_of_stream;
- FLAC__bool have_working_page; /* only if true will the following vars be valid */
- ogg_page working_page;
- FLAC__bool have_working_packet; /* only if true will the following vars be valid */
- ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */
-} FLAC__OggDecoderAspect;
-
-void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value);
-void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect);
-FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect);
-void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect);
-void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect);
-void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect);
-
-typedef enum {
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR,
- FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR
-} FLAC__OggDecoderAspectReadStatus;
-
-typedef FLAC__OggDecoderAspectReadStatus (*FLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
-
-FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_encoder_aspect.h b/deps/flac-1.3.2/src/libFLAC/include/private/ogg_encoder_aspect.h
deleted file mode 100644
index f55ef32..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_encoder_aspect.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2002-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__OGG_ENCODER_ASPECT_H
-#define FLAC__PRIVATE__OGG_ENCODER_ASPECT_H
-
-#include <ogg/ogg.h>
-
-#include "FLAC/ordinals.h"
-#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoderWriteStatus */
-
-typedef struct FLAC__OggEncoderAspect {
- /* these are storage for values that can be set through the API */
- long serial_number;
- unsigned num_metadata;
-
- /* these are for internal state related to Ogg encoding */
- ogg_stream_state stream_state;
- ogg_page page;
- FLAC__bool seen_magic; /* true if we've seen the fLaC magic in the write callback yet */
- FLAC__bool is_first_packet;
- FLAC__uint64 samples_written;
-} FLAC__OggEncoderAspect;
-
-void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value);
-FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, unsigned value);
-void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect);
-FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect);
-void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect);
-
-typedef FLAC__StreamEncoderWriteStatus (*FLAC__OggEncoderAspectWriteCallbackProxy)(const void *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data);
-
-FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data);
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_helper.h b/deps/flac-1.3.2/src/libFLAC/include/private/ogg_helper.h
deleted file mode 100644
index 4c1000c..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_helper.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2004-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__OGG_HELPER_H
-#define FLAC__PRIVATE__OGG_HELPER_H
-
-#include <ogg/ogg.h>
-#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoder */
-
-void simple_ogg_page__init(ogg_page *page);
-void simple_ogg_page__clear(ogg_page *page);
-FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data);
-FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_mapping.h b/deps/flac-1.3.2/src/libFLAC/include/private/ogg_mapping.h
deleted file mode 100644
index 1fa022d..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/ogg_mapping.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2004-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__OGG_MAPPING_H
-#define FLAC__PRIVATE__OGG_MAPPING_H
-
-#include "FLAC/ordinals.h"
-
-/** The length of the packet type field in bytes. */
-#define FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH (1u)
-
-extern const unsigned FLAC__OGG_MAPPING_PACKET_TYPE_LEN; /* = 8 bits */
-
-extern const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE; /* = 0x7f */
-
-/** The length of the 'FLAC' magic in bytes. */
-#define FLAC__OGG_MAPPING_MAGIC_LENGTH (4u)
-
-extern const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC; /* = "FLAC" */
-
-extern const unsigned FLAC__OGG_MAPPING_VERSION_MAJOR_LEN; /* = 8 bits */
-extern const unsigned FLAC__OGG_MAPPING_VERSION_MINOR_LEN; /* = 8 bits */
-
-/** The length of the Ogg FLAC mapping major version number in bytes. */
-#define FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH (1u)
-
-/** The length of the Ogg FLAC mapping minor version number in bytes. */
-#define FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH (1u)
-
-extern const unsigned FLAC__OGG_MAPPING_NUM_HEADERS_LEN; /* = 16 bits */
-
-/** The length of the #-of-header-packets number bytes. */
-#define FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH (2u)
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder.h b/deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder.h
deleted file mode 100644
index ab1721f..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__STREAM_ENCODER_H
-#define FLAC__PRIVATE__STREAM_ENCODER_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-/*
- * This is used to avoid overflow with unusual signals in 32-bit
- * accumulator in the *precompute_partition_info_sums_* functions.
- */
-#define FLAC__MAX_EXTRA_RESIDUAL_BPS 4
-
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN
-#include "private/cpu.h"
-#include "FLAC/format.h"
-
-#ifdef FLAC__SSE2_SUPPORTED
-extern void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
-#endif
-
-#ifdef FLAC__SSSE3_SUPPORTED
-extern void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
-#endif
-
-#ifdef FLAC__AVX2_SUPPORTED
-extern void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
-#endif
-
-#endif
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder_framing.h b/deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder_framing.h
deleted file mode 100644
index f633a9d..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/stream_encoder_framing.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H
-#define FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H
-
-#include "FLAC/format.h"
-#include "bitwriter.h"
-
-FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw);
-FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw);
-FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
-FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
-FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
-FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, unsigned samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/private/window.h b/deps/flac-1.3.2/src/libFLAC/include/private/window.h
deleted file mode 100644
index bfed774..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/private/window.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2006-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__WINDOW_H
-#define FLAC__PRIVATE__WINDOW_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "private/float.h"
-#include "FLAC/format.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-/*
- * FLAC__window_*()
- * --------------------------------------------------------------------
- * Calculates window coefficients according to different apodization
- * functions.
- *
- * OUT window[0,L-1]
- * IN L (number of points in window)
- */
-void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev); /* 0.0 < stddev <= 0.5 */
-void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L);
-void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p);
-void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
-void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
-void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L);
-
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.am b/deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.am
deleted file mode 100644
index d9c6476..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.am
+++ /dev/null
@@ -1,35 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
-# Copyright (C) 2011-2016 Xiph.Org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-noinst_HEADERS = \
- all.h \
- stream_decoder.h \
- stream_encoder.h
diff --git a/deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.in b/deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.in
deleted file mode 100644
index faff951..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/protected/Makefile.in
+++ /dev/null
@@ -1,583 +0,0 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001-2009 Josh Coalson
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diff --git a/deps/flac-1.3.2/src/libFLAC/include/protected/all.h b/deps/flac-1.3.2/src/libFLAC/include/protected/all.h
deleted file mode 100644
index 9468bd3..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/protected/all.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
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- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
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- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
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- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PROTECTED__ALL_H
-#define FLAC__PROTECTED__ALL_H
-
-#include "stream_decoder.h"
-#include "stream_encoder.h"
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/protected/stream_decoder.h b/deps/flac-1.3.2/src/libFLAC/include/protected/stream_decoder.h
deleted file mode 100644
index 5c31c16..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/protected/stream_decoder.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PROTECTED__STREAM_DECODER_H
-#define FLAC__PROTECTED__STREAM_DECODER_H
-
-#include "FLAC/stream_decoder.h"
-#if FLAC__HAS_OGG
-#include "private/ogg_decoder_aspect.h"
-#endif
-
-typedef struct FLAC__StreamDecoderProtected {
- FLAC__StreamDecoderState state;
- FLAC__StreamDecoderInitStatus initstate;
- unsigned channels;
- FLAC__ChannelAssignment channel_assignment;
- unsigned bits_per_sample;
- unsigned sample_rate; /* in Hz */
- unsigned blocksize; /* in samples (per channel) */
- FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the STREAMINFO metadata block */
-#if FLAC__HAS_OGG
- FLAC__OggDecoderAspect ogg_decoder_aspect;
-#endif
-} FLAC__StreamDecoderProtected;
-
-/*
- * return the number of input bytes consumed
- */
-unsigned FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder);
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/include/protected/stream_encoder.h b/deps/flac-1.3.2/src/libFLAC/include/protected/stream_encoder.h
deleted file mode 100644
index 8850c6b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/include/protected/stream_encoder.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PROTECTED__STREAM_ENCODER_H
-#define FLAC__PROTECTED__STREAM_ENCODER_H
-
-#include "FLAC/stream_encoder.h"
-#if FLAC__HAS_OGG
-#include "private/ogg_encoder_aspect.h"
-#endif
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-#include "private/float.h"
-
-#define FLAC__MAX_APODIZATION_FUNCTIONS 32
-
-typedef enum {
- FLAC__APODIZATION_BARTLETT,
- FLAC__APODIZATION_BARTLETT_HANN,
- FLAC__APODIZATION_BLACKMAN,
- FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE,
- FLAC__APODIZATION_CONNES,
- FLAC__APODIZATION_FLATTOP,
- FLAC__APODIZATION_GAUSS,
- FLAC__APODIZATION_HAMMING,
- FLAC__APODIZATION_HANN,
- FLAC__APODIZATION_KAISER_BESSEL,
- FLAC__APODIZATION_NUTTALL,
- FLAC__APODIZATION_RECTANGLE,
- FLAC__APODIZATION_TRIANGLE,
- FLAC__APODIZATION_TUKEY,
- FLAC__APODIZATION_PARTIAL_TUKEY,
- FLAC__APODIZATION_PUNCHOUT_TUKEY,
- FLAC__APODIZATION_WELCH
-} FLAC__ApodizationFunction;
-
-typedef struct {
- FLAC__ApodizationFunction type;
- union {
- struct {
- FLAC__real stddev;
- } gauss;
- struct {
- FLAC__real p;
- } tukey;
- struct {
- FLAC__real p;
- FLAC__real start;
- FLAC__real end;
- } multiple_tukey;
- } parameters;
-} FLAC__ApodizationSpecification;
-
-#endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-typedef struct FLAC__StreamEncoderProtected {
- FLAC__StreamEncoderState state;
- FLAC__bool verify;
- FLAC__bool streamable_subset;
- FLAC__bool do_md5;
- FLAC__bool do_mid_side_stereo;
- FLAC__bool loose_mid_side_stereo;
- unsigned channels;
- unsigned bits_per_sample;
- unsigned sample_rate;
- unsigned blocksize;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- unsigned num_apodizations;
- FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS];
-#endif
- unsigned max_lpc_order;
- unsigned qlp_coeff_precision;
- FLAC__bool do_qlp_coeff_prec_search;
- FLAC__bool do_exhaustive_model_search;
- FLAC__bool do_escape_coding;
- unsigned min_residual_partition_order;
- unsigned max_residual_partition_order;
- unsigned rice_parameter_search_dist;
- FLAC__uint64 total_samples_estimate;
- FLAC__StreamMetadata **metadata;
- unsigned num_metadata_blocks;
- FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset;
-#if FLAC__HAS_OGG
- FLAC__OggEncoderAspect ogg_encoder_aspect;
-#endif
-} FLAC__StreamEncoderProtected;
-
-#endif
diff --git a/deps/flac-1.3.2/src/libFLAC/libFLAC.m4 b/deps/flac-1.3.2/src/libFLAC/libFLAC.m4
deleted file mode 100644
index da7354e..0000000
--- a/deps/flac-1.3.2/src/libFLAC/libFLAC.m4
+++ /dev/null
@@ -1,118 +0,0 @@
-# Configure paths for libFLAC
-# "Inspired" by ogg.m4
-
-dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
-dnl Test for libFLAC, and define LIBFLAC_CFLAGS, LIBFLAC_LIBS, LIBFLAC_LIBDIR
-dnl
-AC_DEFUN([AM_PATH_LIBFLAC],
-[dnl
-dnl Get the cflags and libraries
-dnl
-AC_ARG_WITH(libFLAC,[ --with-libFLAC=PFX Prefix where libFLAC is installed (optional)], libFLAC_prefix="$withval", libFLAC_prefix="")
-AC_ARG_WITH(libFLAC-libraries,[ --with-libFLAC-libraries=DIR Directory where libFLAC library is installed (optional)], libFLAC_libraries="$withval", libFLAC_libraries="")
-AC_ARG_WITH(libFLAC-includes,[ --with-libFLAC-includes=DIR Directory where libFLAC header files are installed (optional)], libFLAC_includes="$withval", libFLAC_includes="")
-AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes)
-
- if test "x$libFLAC_libraries" != "x" ; then
- LIBFLAC_LIBS="-L$libFLAC_libraries"
- elif test "x$libFLAC_prefix" = "xno" || test "x$libFLAC_prefix" = "xyes" ; then
- LIBFLAC_LIBS=""
- elif test "x$libFLAC_prefix" != "x" ; then
- LIBFLAC_LIBS="-L$libFLAC_prefix/lib"
- elif test "x$prefix" != "xNONE"; then
- LIBFLAC_LIBS="-L$prefix/lib"
- fi
-
- if test "x$libFLAC_prefix" != "xno" ; then
- LIBFLAC_LIBS="$LIBFLAC_LIBS -lFLAC $OGG_LIBS -lm"
- fi
-
- if test "x$libFLAC_includes" != "x" ; then
- LIBFLAC_CFLAGS="-I$libFLAC_includes"
- elif test "x$libFLAC_prefix" != "x" ; then
- LIBFLAC_CFLAGS="-I$libFLAC_prefix/include"
- elif test "$prefix" != "xNONE"; then
- LIBFLAC_CFLAGS=""
- fi
-
- AC_MSG_CHECKING(for libFLAC)
- no_libFLAC=""
-
-
- if test "x$enable_libFLACtest" = "xyes" ; then
- ac_save_CFLAGS="$CFLAGS"
- ac_save_CXXFLAGS="$CXXFLAGS"
- ac_save_LIBS="$LIBS"
- ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH"
- CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
- CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
- LIBS="$LIBS $LIBFLAC_LIBS"
- LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
-dnl
-dnl Now check if the installed libFLAC is sufficiently new.
-dnl
- rm -f conf.libFLACtest
- AC_TRY_RUN([
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <FLAC/format.h>
-
-int main ()
-{
- system("touch conf.libFLACtest");
- return 0;
-}
-
-],, no_libFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
- CFLAGS="$ac_save_CFLAGS"
- CXXFLAGS="$ac_save_CXXFLAGS"
- LIBS="$ac_save_LIBS"
- LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
- fi
-
- if test "x$no_libFLAC" = "x" ; then
- AC_MSG_RESULT(yes)
- ifelse([$1], , :, [$1])
- else
- AC_MSG_RESULT(no)
- if test -f conf.libFLACtest ; then
- :
- else
- echo "*** Could not run libFLAC test program, checking why..."
- CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
- CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
- LIBS="$LIBS $LIBFLAC_LIBS"
- LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
- AC_TRY_LINK([
-#include <stdio.h>
-#include <FLAC/format.h>
-], [ return 0; ],
- [ echo "*** The test program compiled, but did not run. This usually means"
- echo "*** that the run-time linker is not finding libFLAC or finding the wrong"
- echo "*** version of libFLAC. If it is not finding libFLAC, you'll need to set your"
- echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
- echo "*** to the installed location Also, make sure you have run ldconfig if that"
- echo "*** is required on your system"
- echo "***"
- echo "*** If you have an old version installed, it is best to remove it, although"
- echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
- [ echo "*** The test program failed to compile or link. See the file config.log for the"
- echo "*** exact error that occured. This usually means libFLAC was incorrectly installed"
- echo "*** or that you have moved libFLAC since it was installed. In the latter case, you"
- echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ])
- CFLAGS="$ac_save_CFLAGS"
- CXXFLAGS="$ac_save_CXXFLAGS"
- LIBS="$ac_save_LIBS"
- LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
- fi
- LIBFLAC_CFLAGS=""
- LIBFLAC_LIBDIR=""
- LIBFLAC_LIBS=""
- ifelse([$2], , :, [$2])
- fi
- AC_SUBST(LIBFLAC_CFLAGS)
- AC_SUBST(LIBFLAC_LIBDIR)
- AC_SUBST(LIBFLAC_LIBS)
- rm -f conf.libFLACtest
-])
diff --git a/deps/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcproj b/deps/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcproj
deleted file mode 100644
index 52e12c0..0000000
--- a/deps/flac-1.3.2/src/libFLAC/libFLAC_dynamic.vcproj
+++ /dev/null
@@ -1,550 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
- ProjectType="Visual C++"
- Version="8.00"
- Name="libFLAC_dynamic"
- ProjectGUID="{4cefbc83-c215-11db-8314-0800200c9a66}"
- RootNamespace="libFLAC_dynamic"
- Keyword="Win32Proj"
- >
- <Platforms>
- <Platform
- Name="Win32"
- />
- </Platforms>
- <ToolFiles>
- </ToolFiles>
- <Configurations>
- <Configuration
- Name="Debug|Win32"
- OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
- IntermediateDirectory="$(ConfigurationName)_dynamic"
- ConfigurationType="2"
- >
- <Tool
- Name="VCPreBuildEventTool"
- />
- <Tool
- Name="VCCustomBuildTool"
- />
- <Tool
- Name="VCXMLDataGeneratorTool"
- />
- <Tool
- Name="VCWebServiceProxyGeneratorTool"
- />
- <Tool
- Name="VCMIDLTool"
- />
- <Tool
- Name="VCCLCompilerTool"
- AdditionalOptions="/D &quot;_USE_MATH_DEFINES&quot;"
- Optimization="0"
- EnableIntrinsicFunctions="true"
- AdditionalIncludeDirectories=".\include;..\..\include"
- PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;PACKAGE_VERSION=\&quot;1.3.2\&quot;;DEBUG;FLAC__OVERFLOW_DETECT"
- MinimalRebuild="true"
- BasicRuntimeChecks="3"
- RuntimeLibrary="1"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="4"
- CompileAs="0"
- DisableSpecificWarnings="4267;4996"
- />
- <Tool
- Name="VCManagedResourceCompilerTool"
- />
- <Tool
- Name="VCResourceCompilerTool"
- />
- <Tool
- Name="VCPreLinkEventTool"
- />
- <Tool
- Name="VCLinkerTool"
- AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
- LinkIncremental="2"
- IgnoreDefaultLibraryNames="uuid.lib"
- GenerateDebugInformation="true"
- SubSystem="2"
- TargetMachine="1"
- />
- <Tool
- Name="VCALinkTool"
- />
- <Tool
- Name="VCManifestTool"
- />
- <Tool
- Name="VCXDCMakeTool"
- />
- <Tool
- Name="VCBscMakeTool"
- />
- <Tool
- Name="VCFxCopTool"
- />
- <Tool
- Name="VCAppVerifierTool"
- />
- <Tool
- Name="VCPostBuildEventTool"
- />
- </Configuration>
- <Configuration
- Name="Release|Win32"
- OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"
- IntermediateDirectory="$(ConfigurationName)_dynamic"
- ConfigurationType="2"
- WholeProgramOptimization="1"
- >
- <Tool
- Name="VCPreBuildEventTool"
- />
- <Tool
- Name="VCCustomBuildTool"
- />
- <Tool
- Name="VCXMLDataGeneratorTool"
- />
- <Tool
- Name="VCWebServiceProxyGeneratorTool"
- />
- <Tool
- Name="VCMIDLTool"
- />
- <Tool
- Name="VCCLCompilerTool"
- AdditionalOptions="/D &quot;_USE_MATH_DEFINES&quot;"
- EnableIntrinsicFunctions="true"
- FavorSizeOrSpeed="1"
- OmitFramePointers="true"
- WholeProgramOptimization="true"
- AdditionalIncludeDirectories=".\include;..\..\include"
- PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;PACKAGE_VERSION=\&quot;1.3.2\&quot;;FLaC__INLINE=_inline"
- RuntimeLibrary="0"
- BufferSecurityCheck="false"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="3"
- CompileAs="0"
- DisableSpecificWarnings="4267;4996"
- />
- <Tool
- Name="VCManagedResourceCompilerTool"
- />
- <Tool
- Name="VCResourceCompilerTool"
- />
- <Tool
- Name="VCPreLinkEventTool"
- />
- <Tool
- Name="VCLinkerTool"
- AdditionalDependencies="$(SolutionDir)objs\$(ConfigurationName)\lib\libogg_static.lib"
- LinkIncremental="1"
- IgnoreDefaultLibraryNames="uuid.lib"
- GenerateDebugInformation="true"
- SubSystem="2"
- OptimizeReferences="2"
- EnableCOMDATFolding="2"
- LinkTimeCodeGeneration="1"
- TargetMachine="1"
- />
- <Tool
- Name="VCALinkTool"
- />
- <Tool
- Name="VCManifestTool"
- />
- <Tool
- Name="VCXDCMakeTool"
- />
- <Tool
- Name="VCBscMakeTool"
- />
- <Tool
- Name="VCFxCopTool"
- />
- <Tool
- Name="VCAppVerifierTool"
- />
- <Tool
- Name="VCPostBuildEventTool"
- />
- </Configuration>
- </Configurations>
- <References>
- </References>
- <Files>
- <Filter
- Name="Header Files"
- Filter="h;hpp;hxx;hm;inl;inc;xsd"
- UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
- >
- <File
- RelativePath=".\include\protected\all.h"
- >
- </File>
- <File
- RelativePath=".\include\private\all.h"
- >
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- >
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- >
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- >
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- >
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- >
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- >
- </File>
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- >
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- >
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- <File
- RelativePath=".\include\private\memory.h"
- >
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- >
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- >
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- >
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- >
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- <File
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- >
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- <File
- RelativePath=".\include\private\window.h"
- >
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- </Filter>
- <Filter
- Name="Source Files"
- Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
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- >
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diff --git a/deps/flac-1.3.2/src/libFLAC/lpc.c b/deps/flac-1.3.2/src/libFLAC/lpc.c
deleted file mode 100644
index 531247b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/lpc.c
+++ /dev/null
@@ -1,1357 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <math.h>
-
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-#include "share/compat.h"
-#include "private/bitmath.h"
-#include "private/lpc.h"
-#include "private/macros.h"
-#if defined DEBUG || defined FLAC__OVERFLOW_DETECT || defined FLAC__OVERFLOW_DETECT_VERBOSE
-#include <stdio.h>
-#endif
-
-/* OPT: #undef'ing this may improve the speed on some architectures */
-#define FLAC__LPC_UNROLLED_FILTER_LOOPS
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-#if defined(_MSC_VER) && (_MSC_VER < 1800)
-#include <float.h>
-static inline long int lround(double x) {
- return (long)(x + _copysign(0.5, x));
-}
-#elif !defined(HAVE_LROUND) && defined(__GNUC__)
-static inline long int lround(double x) {
- return (long)(x + __builtin_copysign(0.5, x));
-}
-/* If this fails, we are in the presence of a mid 90's compiler, move along... */
-#endif
-
-void FLAC__lpc_window_data(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], unsigned data_len)
-{
- unsigned i;
- for(i = 0; i < data_len; i++)
- out[i] = in[i] * window[i];
-}
-
-void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- /* a readable, but slower, version */
-#if 0
- FLAC__real d;
- unsigned i;
-
- FLAC__ASSERT(lag > 0);
- FLAC__ASSERT(lag <= data_len);
-
- /*
- * Technically we should subtract the mean first like so:
- * for(i = 0; i < data_len; i++)
- * data[i] -= mean;
- * but it appears not to make enough of a difference to matter, and
- * most signals are already closely centered around zero
- */
- while(lag--) {
- for(i = lag, d = 0.0; i < data_len; i++)
- d += data[i] * data[i - lag];
- autoc[lag] = d;
- }
-#endif
-
- /*
- * this version tends to run faster because of better data locality
- * ('data_len' is usually much larger than 'lag')
- */
- FLAC__real d;
- unsigned sample, coeff;
- const unsigned limit = data_len - lag;
-
- FLAC__ASSERT(lag > 0);
- FLAC__ASSERT(lag <= data_len);
-
- for(coeff = 0; coeff < lag; coeff++)
- autoc[coeff] = 0.0;
- for(sample = 0; sample <= limit; sample++) {
- d = data[sample];
- for(coeff = 0; coeff < lag; coeff++)
- autoc[coeff] += d * data[sample+coeff];
- }
- for(; sample < data_len; sample++) {
- d = data[sample];
- for(coeff = 0; coeff < data_len - sample; coeff++)
- autoc[coeff] += d * data[sample+coeff];
- }
-}
-
-void FLAC__lpc_compute_lp_coefficients(const FLAC__real autoc[], unsigned *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], double error[])
-{
- unsigned i, j;
- double r, err, lpc[FLAC__MAX_LPC_ORDER];
-
- FLAC__ASSERT(0 != max_order);
- FLAC__ASSERT(0 < *max_order);
- FLAC__ASSERT(*max_order <= FLAC__MAX_LPC_ORDER);
- FLAC__ASSERT(autoc[0] != 0.0);
-
- err = autoc[0];
-
- for(i = 0; i < *max_order; i++) {
- /* Sum up this iteration's reflection coefficient. */
- r = -autoc[i+1];
- for(j = 0; j < i; j++)
- r -= lpc[j] * autoc[i-j];
- r /= err;
-
- /* Update LPC coefficients and total error. */
- lpc[i]=r;
- for(j = 0; j < (i>>1); j++) {
- double tmp = lpc[j];
- lpc[j] += r * lpc[i-1-j];
- lpc[i-1-j] += r * tmp;
- }
- if(i & 1)
- lpc[j] += lpc[j] * r;
-
- err *= (1.0 - r * r);
-
- /* save this order */
- for(j = 0; j <= i; j++)
- lp_coeff[i][j] = (FLAC__real)(-lpc[j]); /* negate FIR filter coeff to get predictor coeff */
- error[i] = err;
-
- /* see SF bug https://sourceforge.net/p/flac/bugs/234/ */
- if(err == 0.0) {
- *max_order = i+1;
- return;
- }
- }
-}
-
-int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order, unsigned precision, FLAC__int32 qlp_coeff[], int *shift)
-{
- unsigned i;
- double cmax;
- FLAC__int32 qmax, qmin;
-
- FLAC__ASSERT(precision > 0);
- FLAC__ASSERT(precision >= FLAC__MIN_QLP_COEFF_PRECISION);
-
- /* drop one bit for the sign; from here on out we consider only |lp_coeff[i]| */
- precision--;
- qmax = 1 << precision;
- qmin = -qmax;
- qmax--;
-
- /* calc cmax = max( |lp_coeff[i]| ) */
- cmax = 0.0;
- for(i = 0; i < order; i++) {
- const double d = fabs(lp_coeff[i]);
- if(d > cmax)
- cmax = d;
- }
-
- if(cmax <= 0.0) {
- /* => coefficients are all 0, which means our constant-detect didn't work */
- return 2;
- }
- else {
- const int max_shiftlimit = (1 << (FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN-1)) - 1;
- const int min_shiftlimit = -max_shiftlimit - 1;
- int log2cmax;
-
- (void)frexp(cmax, &log2cmax);
- log2cmax--;
- *shift = (int)precision - log2cmax - 1;
-
- if(*shift > max_shiftlimit)
- *shift = max_shiftlimit;
- else if(*shift < min_shiftlimit)
- return 1;
- }
-
- if(*shift >= 0) {
- double error = 0.0;
- FLAC__int32 q;
- for(i = 0; i < order; i++) {
- error += lp_coeff[i] * (1 << *shift);
- q = lround(error);
-
-#ifdef FLAC__OVERFLOW_DETECT
- if(q > qmax+1) /* we expect q==qmax+1 occasionally due to rounding */
- fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q>qmax %d>%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmax,*shift,cmax,precision+1,i,lp_coeff[i]);
- else if(q < qmin)
- fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q<qmin %d<%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmin,*shift,cmax,precision+1,i,lp_coeff[i]);
-#endif
- if(q > qmax)
- q = qmax;
- else if(q < qmin)
- q = qmin;
- error -= q;
- qlp_coeff[i] = q;
- }
- }
- /* negative shift is very rare but due to design flaw, negative shift is
- * not allowed in the decoder, so it must be handled specially by scaling
- * down coeffs
- */
- else {
- const int nshift = -(*shift);
- double error = 0.0;
- FLAC__int32 q;
-#ifdef DEBUG
- fprintf(stderr,"FLAC__lpc_quantize_coefficients: negative shift=%d order=%u cmax=%f\n", *shift, order, cmax);
-#endif
- for(i = 0; i < order; i++) {
- error += lp_coeff[i] / (1 << nshift);
- q = lround(error);
-#ifdef FLAC__OVERFLOW_DETECT
- if(q > qmax+1) /* we expect q==qmax+1 occasionally due to rounding */
- fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q>qmax %d>%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmax,*shift,cmax,precision+1,i,lp_coeff[i]);
- else if(q < qmin)
- fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q<qmin %d<%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmin,*shift,cmax,precision+1,i,lp_coeff[i]);
-#endif
- if(q > qmax)
- q = qmax;
- else if(q < qmin)
- q = qmin;
- error -= q;
- qlp_coeff[i] = q;
- }
- *shift = 0;
- }
-
- return 0;
-}
-
-#if defined(_MSC_VER)
-// silence MSVC warnings about __restrict modifier
-#pragma warning ( disable : 4028 )
-#endif
-
-void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 * flac_restrict data, unsigned data_len, const FLAC__int32 * flac_restrict qlp_coeff, unsigned order, int lp_quantization, FLAC__int32 * flac_restrict residual)
-#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS)
-{
- FLAC__int64 sumo;
- unsigned i, j;
- FLAC__int32 sum;
- const FLAC__int32 *history;
-
-#ifdef FLAC__OVERFLOW_DETECT_VERBOSE
- fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization);
- for(i=0;i<order;i++)
- fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]);
- fprintf(stderr,"\n");
-#endif
- FLAC__ASSERT(order > 0);
-
- for(i = 0; i < data_len; i++) {
- sumo = 0;
- sum = 0;
- history = data;
- for(j = 0; j < order; j++) {
- sum += qlp_coeff[j] * (*(--history));
- sumo += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*history);
- if(sumo > 2147483647ll || sumo < -2147483648ll)
- fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients: OVERFLOW, i=%u, j=%u, c=%d, d=%d, sumo=%" PRId64 "\n",i,j,qlp_coeff[j],*history,sumo);
- }
- *(residual++) = *(data++) - (sum >> lp_quantization);
- }
-
- /* Here's a slower but clearer version:
- for(i = 0; i < data_len; i++) {
- sum = 0;
- for(j = 0; j < order; j++)
- sum += qlp_coeff[j] * data[i-j-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- */
-}
-#else /* fully unrolled version for normal use */
-{
- int i;
- FLAC__int32 sum;
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- /*
- * We do unique versions up to 12th order since that's the subset limit.
- * Also they are roughly ordered to match frequency of occurrence to
- * minimize branching.
- */
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[9] * data[i-10];
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order == 11 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[9] * data[i-10];
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 10) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[9] * data[i-10];
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order == 9 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order == 7 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 6) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order == 5 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order == 3 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 2) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order == 1 */
- for(i = 0; i < (int)data_len; i++)
- residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
- }
- }
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
-}
-#endif
-
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 * flac_restrict data, unsigned data_len, const FLAC__int32 * flac_restrict qlp_coeff, unsigned order, int lp_quantization, FLAC__int32 * flac_restrict residual)
-#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS)
-{
- unsigned i, j;
- FLAC__int64 sum;
- const FLAC__int32 *history;
-
-#ifdef FLAC__OVERFLOW_DETECT_VERBOSE
- fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients_wide: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization);
- for(i=0;i<order;i++)
- fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]);
- fprintf(stderr,"\n");
-#endif
- FLAC__ASSERT(order > 0);
-
- for(i = 0; i < data_len; i++) {
- sum = 0;
- history = data;
- for(j = 0; j < order; j++)
- sum += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*(--history));
- if(FLAC__bitmath_silog2(sum >> lp_quantization) > 32) {
- fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients_wide: OVERFLOW, i=%u, sum=%" PRId64 "\n", i, (sum >> lp_quantization));
- break;
- }
- if(FLAC__bitmath_silog2((FLAC__int64)(*data) - (sum >> lp_quantization)) > 32) {
- fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients_wide: OVERFLOW, i=%u, data=%d, sum=%" PRId64 ", residual=%" PRId64 "\n", i, *data, (int64_t)(sum >> lp_quantization), ((FLAC__int64)(*data) - (sum >> lp_quantization)));
- break;
- }
- *(residual++) = *(data++) - (FLAC__int32)(sum >> lp_quantization);
- }
-}
-#else /* fully unrolled version for normal use */
-{
- int i;
- FLAC__int64 sum;
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- /*
- * We do unique versions up to 12th order since that's the subset limit.
- * Also they are roughly ordered to match frequency of occurrence to
- * minimize branching.
- */
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 11 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 10) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 9 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 7 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 6) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 5 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 3 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 2) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 1 */
- for(i = 0; i < (int)data_len; i++)
- residual[i] = data[i] - (FLAC__int32)((qlp_coeff[0] * (FLAC__int64)data[i-1]) >> lp_quantization);
- }
- }
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32];
- case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31];
- case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30];
- case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29];
- case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28];
- case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27];
- case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26];
- case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25];
- case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24];
- case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23];
- case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22];
- case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21];
- case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20];
- case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19];
- case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18];
- case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17];
- case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16];
- case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15];
- case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14];
- case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
- sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
- sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
- sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
- sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
- sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
- sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
- sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
- sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
- }
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
-}
-#endif
-
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
-
-void FLAC__lpc_restore_signal(const FLAC__int32 * flac_restrict residual, unsigned data_len, const FLAC__int32 * flac_restrict qlp_coeff, unsigned order, int lp_quantization, FLAC__int32 * flac_restrict data)
-#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS)
-{
- FLAC__int64 sumo;
- unsigned i, j;
- FLAC__int32 sum;
- const FLAC__int32 *r = residual, *history;
-
-#ifdef FLAC__OVERFLOW_DETECT_VERBOSE
- fprintf(stderr,"FLAC__lpc_restore_signal: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization);
- for(i=0;i<order;i++)
- fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]);
- fprintf(stderr,"\n");
-#endif
- FLAC__ASSERT(order > 0);
-
- for(i = 0; i < data_len; i++) {
- sumo = 0;
- sum = 0;
- history = data;
- for(j = 0; j < order; j++) {
- sum += qlp_coeff[j] * (*(--history));
- sumo += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*history);
- if(sumo > 2147483647ll || sumo < -2147483648ll)
- fprintf(stderr,"FLAC__lpc_restore_signal: OVERFLOW, i=%u, j=%u, c=%d, d=%d, sumo=%" PRId64 "\n",i,j,qlp_coeff[j],*history,sumo);
- }
- *(data++) = *(r++) + (sum >> lp_quantization);
- }
-
- /* Here's a slower but clearer version:
- for(i = 0; i < data_len; i++) {
- sum = 0;
- for(j = 0; j < order; j++)
- sum += qlp_coeff[j] * data[i-j-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- */
-}
-#else /* fully unrolled version for normal use */
-{
- int i;
- FLAC__int32 sum;
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- /*
- * We do unique versions up to 12th order since that's the subset limit.
- * Also they are roughly ordered to match frequency of occurrence to
- * minimize branching.
- */
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[9] * data[i-10];
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- else { /* order == 11 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[9] * data[i-10];
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 10) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[9] * data[i-10];
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- else { /* order == 9 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[8] * data[i-9];
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[7] * data[i-8];
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- else { /* order == 7 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[6] * data[i-7];
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 6) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[5] * data[i-6];
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- else { /* order == 5 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[4] * data[i-5];
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[3] * data[i-4];
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- else { /* order == 3 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[2] * data[i-3];
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 2) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[1] * data[i-2];
- sum += qlp_coeff[0] * data[i-1];
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
- else { /* order == 1 */
- for(i = 0; i < (int)data_len; i++)
- data[i] = residual[i] + ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
- }
- }
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- data[i] = residual[i] + (sum >> lp_quantization);
- }
- }
-}
-#endif
-
-void FLAC__lpc_restore_signal_wide(const FLAC__int32 * flac_restrict residual, unsigned data_len, const FLAC__int32 * flac_restrict qlp_coeff, unsigned order, int lp_quantization, FLAC__int32 * flac_restrict data)
-#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS)
-{
- unsigned i, j;
- FLAC__int64 sum;
- const FLAC__int32 *r = residual, *history;
-
-#ifdef FLAC__OVERFLOW_DETECT_VERBOSE
- fprintf(stderr,"FLAC__lpc_restore_signal_wide: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization);
- for(i=0;i<order;i++)
- fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]);
- fprintf(stderr,"\n");
-#endif
- FLAC__ASSERT(order > 0);
-
- for(i = 0; i < data_len; i++) {
- sum = 0;
- history = data;
- for(j = 0; j < order; j++)
- sum += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*(--history));
- if(FLAC__bitmath_silog2(sum >> lp_quantization) > 32) {
- fprintf(stderr,"FLAC__lpc_restore_signal_wide: OVERFLOW, i=%u, sum=%" PRId64 "\n", i, (sum >> lp_quantization));
- break;
- }
- if(FLAC__bitmath_silog2((FLAC__int64)(*r) + (sum >> lp_quantization)) > 32) {
- fprintf(stderr,"FLAC__lpc_restore_signal_wide: OVERFLOW, i=%u, residual=%d, sum=%" PRId64 ", data=%" PRId64 "\n", i, *r, (sum >> lp_quantization), ((FLAC__int64)(*r) + (sum >> lp_quantization)));
- break;
- }
- *(data++) = *(r++) + (FLAC__int32)(sum >> lp_quantization);
- }
-}
-#else /* fully unrolled version for normal use */
-{
- int i;
- FLAC__int64 sum;
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- /*
- * We do unique versions up to 12th order since that's the subset limit.
- * Also they are roughly ordered to match frequency of occurrence to
- * minimize branching.
- */
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 11 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 10) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 9 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 7 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 6) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 5 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 3 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- }
- else {
- if(order == 2) {
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order == 1 */
- for(i = 0; i < (int)data_len; i++)
- data[i] = residual[i] + (FLAC__int32)((qlp_coeff[0] * (FLAC__int64)data[i-1]) >> lp_quantization);
- }
- }
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32];
- case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31];
- case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30];
- case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29];
- case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28];
- case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27];
- case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26];
- case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25];
- case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24];
- case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23];
- case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22];
- case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21];
- case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20];
- case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19];
- case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18];
- case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17];
- case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16];
- case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15];
- case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14];
- case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
- sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
- sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
- sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
- sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
- sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
- sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
- sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
- sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
- }
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
-}
-#endif
-
-#if defined(_MSC_VER)
-#pragma warning ( default : 4028 )
-#endif
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-double FLAC__lpc_compute_expected_bits_per_residual_sample(double lpc_error, unsigned total_samples)
-{
- double error_scale;
-
- FLAC__ASSERT(total_samples > 0);
-
- error_scale = 0.5 / (double)total_samples;
-
- return FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(lpc_error, error_scale);
-}
-
-double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(double lpc_error, double error_scale)
-{
- if(lpc_error > 0.0) {
- double bps = (double)0.5 * log(error_scale * lpc_error) / M_LN2;
- if(bps >= 0.0)
- return bps;
- else
- return 0.0;
- }
- else if(lpc_error < 0.0) { /* error should not be negative but can happen due to inadequate floating-point resolution */
- return 1e32;
- }
- else {
- return 0.0;
- }
-}
-
-unsigned FLAC__lpc_compute_best_order(const double lpc_error[], unsigned max_order, unsigned total_samples, unsigned overhead_bits_per_order)
-{
- unsigned order, indx, best_index; /* 'index' the index into lpc_error; index==order-1 since lpc_error[0] is for order==1, lpc_error[1] is for order==2, etc */
- double bits, best_bits, error_scale;
-
- FLAC__ASSERT(max_order > 0);
- FLAC__ASSERT(total_samples > 0);
-
- error_scale = 0.5 / (double)total_samples;
-
- best_index = 0;
- best_bits = (unsigned)(-1);
-
- for(indx = 0, order = 1; indx < max_order; indx++, order++) {
- bits = FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(lpc_error[indx], error_scale) * (double)(total_samples - order) + (double)(order * overhead_bits_per_order);
- if(bits < best_bits) {
- best_index = indx;
- best_bits = bits;
- }
- }
-
- return best_index+1; /* +1 since indx of lpc_error[] is order-1 */
-}
-
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_avx2.c b/deps/flac-1.3.2/src/libFLAC/lpc_intrin_avx2.c
deleted file mode 100644
index f9f5ccd..0000000
--- a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_avx2.c
+++ /dev/null
@@ -1,1122 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/lpc.h"
-#ifdef FLAC__AVX2_SUPPORTED
-
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-
-#include <immintrin.h> /* AVX2 */
-
-FLAC__SSE_TARGET("avx2")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
- FLAC__int32 sum;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
- q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]);
- q10 = _mm256_set1_epi32(0xffff & qlp_coeff[10]);
- q11 = _mm256_set1_epi32(0xffff & qlp_coeff[11]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q11, _mm256_loadu_si256((const __m256i*)(data+i-12)));
- mull = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(data+i-11))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 11 */
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
- q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]);
- q10 = _mm256_set1_epi32(0xffff & qlp_coeff[10]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(data+i-11)));
- mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 10) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
- q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(data+i-10)));
- mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 9 */
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 )));
- mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 )));
- mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 7 */
- __m256i q0, q1, q2, q3, q4, q5, q6;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 )));
- mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 6) {
- __m256i q0, q1, q2, q3, q4, q5;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 )));
- mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 5 */
- __m256i q0, q1, q2, q3, q4;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 )));
- mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- __m256i q0, q1, q2, q3;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 )));
- mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 3 */
- __m256i q0, q1, q2;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 )));
- mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 2) {
- __m256i q0, q1;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 )));
- mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 1 */
- __m256i q0;
- q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ;
- summ = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 )));
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- }
- for(; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 12: sum += qlp_coeff[11] * data[i-12];
- case 11: sum += qlp_coeff[10] * data[i-11];
- case 10: sum += qlp_coeff[ 9] * data[i-10];
- case 9: sum += qlp_coeff[ 8] * data[i- 9];
- case 8: sum += qlp_coeff[ 7] * data[i- 8];
- case 7: sum += qlp_coeff[ 6] * data[i- 7];
- case 6: sum += qlp_coeff[ 5] * data[i- 6];
- case 5: sum += qlp_coeff[ 4] * data[i- 5];
- case 4: sum += qlp_coeff[ 3] * data[i- 4];
- case 3: sum += qlp_coeff[ 2] * data[i- 3];
- case 2: sum += qlp_coeff[ 1] * data[i- 2];
- case 1: sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- _mm256_zeroupper();
-}
-
-FLAC__SSE_TARGET("avx2")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
- FLAC__int32 sum;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
- q9 = _mm256_set1_epi32(qlp_coeff[9 ]);
- q10 = _mm256_set1_epi32(qlp_coeff[10]);
- q11 = _mm256_set1_epi32(qlp_coeff[11]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q11, _mm256_loadu_si256((const __m256i*)(data+i-12)));
- mull = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(data+i-11))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 11 */
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
- q9 = _mm256_set1_epi32(qlp_coeff[9 ]);
- q10 = _mm256_set1_epi32(qlp_coeff[10]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(data+i-11)));
- mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 10) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
- q9 = _mm256_set1_epi32(qlp_coeff[9 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(data+i-10)));
- mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 9 */
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
- q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9)));
- mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
- q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8)));
- mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 7 */
- __m256i q0, q1, q2, q3, q4, q5, q6;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
- q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7)));
- mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 6) {
- __m256i q0, q1, q2, q3, q4, q5;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
- q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6)));
- mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 5 */
- __m256i q0, q1, q2, q3, q4;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
- q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5)));
- mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- __m256i q0, q1, q2, q3;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
- q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4)));
- mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 3 */
- __m256i q0, q1, q2;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
- q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3)));
- mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 2) {
- __m256i q0, q1;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
- q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ, mull;
- summ = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2)));
- mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- else { /* order == 1 */
- __m256i q0;
- q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
-
- for(i = 0; i < (int)data_len-7; i+=8) {
- __m256i summ;
- summ = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1)));
- summ = _mm256_sra_epi32(summ, cnt);
- _mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
- }
- }
- }
- }
- for(; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 12: sum += qlp_coeff[11] * data[i-12];
- case 11: sum += qlp_coeff[10] * data[i-11];
- case 10: sum += qlp_coeff[ 9] * data[i-10];
- case 9: sum += qlp_coeff[ 8] * data[i- 9];
- case 8: sum += qlp_coeff[ 7] * data[i- 8];
- case 7: sum += qlp_coeff[ 6] * data[i- 7];
- case 6: sum += qlp_coeff[ 5] * data[i- 6];
- case 5: sum += qlp_coeff[ 4] * data[i- 5];
- case 4: sum += qlp_coeff[ 3] * data[i- 4];
- case 3: sum += qlp_coeff[ 2] * data[i- 3];
- case 2: sum += qlp_coeff[ 1] * data[i- 2];
- case 1: sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- _mm256_zeroupper();
-}
-
-static FLAC__int32 pack_arr[8] = { 0, 2, 4, 6, 1, 3, 5, 7 };
-
-FLAC__SSE_TARGET("avx2")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
- FLAC__int64 sum;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
- __m256i pack = _mm256_loadu_si256((const __m256i *)pack_arr);
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
- FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm256_sra_epi64() so we have to use _mm256_srl_epi64() */
-
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
- q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
- q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
- q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
- q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ]));
- q10 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[10]));
- q11 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[11]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q11, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-12))));
- mull = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-11)))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- else { /* order == 11 */
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
- q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
- q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
- q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
- q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ]));
- q10 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[10]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-11))));
- mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- }
- else {
- if(order == 10) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
- q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
- q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
- q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
- q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-10))));
- mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- else { /* order == 9 */
- __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
- q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
- q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
- q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 ))));
- mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- __m256i q0, q1, q2, q3, q4, q5, q6, q7;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
- q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
- q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 ))));
- mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- else { /* order == 7 */
- __m256i q0, q1, q2, q3, q4, q5, q6;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
- q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 ))));
- mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- }
- else {
- if(order == 6) {
- __m256i q0, q1, q2, q3, q4, q5;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
- q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 ))));
- mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- else { /* order == 5 */
- __m256i q0, q1, q2, q3, q4;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
- q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 ))));
- mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- __m256i q0, q1, q2, q3;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
- q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 ))));
- mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- else { /* order == 3 */
- __m256i q0, q1, q2;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
- q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 ))));
- mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- }
- else {
- if(order == 2) {
- __m256i q0, q1;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
- q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ, mull;
- summ = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 ))));
- mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- else { /* order == 1 */
- __m256i q0;
- q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m256i summ;
- summ = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 ))));
- summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
- }
- }
- }
- }
- for(; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 12: sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- case 11: sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- case 10: sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
- case 9: sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
- case 8: sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
- case 7: sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
- case 6: sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
- case 5: sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
- case 4: sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
- case 3: sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
- case 2: sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
- case 1: sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
- }
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32];
- case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31];
- case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30];
- case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29];
- case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28];
- case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27];
- case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26];
- case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25];
- case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24];
- case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23];
- case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22];
- case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21];
- case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20];
- case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19];
- case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18];
- case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17];
- case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16];
- case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15];
- case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14];
- case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
- sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
- sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
- sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
- sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
- sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
- sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
- sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
- sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
- }
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
- _mm256_zeroupper();
-}
-
-#endif /* FLAC__AVX2_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
-#endif /* FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse.c b/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse.c
deleted file mode 100644
index 430e73f..0000000
--- a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/lpc.h"
-#ifdef FLAC__SSE_SUPPORTED
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-
-#include <xmmintrin.h> /* SSE */
-
-/* new routines: more unaligned loads, less shuffle
- * old routines: less unaligned loads, more shuffle
- * these *_old routines are equivalent to the ASM routines in ia32/lpc_asm.nasm
- */
-
-/* new routines: faster on current Intel (starting from Core i aka Nehalem) and all AMD CPUs */
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- int i;
- int limit = data_len - 4;
- __m128 sum0;
-
- (void) lag;
- FLAC__ASSERT(lag <= 4);
- FLAC__ASSERT(lag <= data_len);
-
- sum0 = _mm_setzero_ps();
-
- for(i = 0; i <= limit; i++) {
- __m128 d, d0;
- d0 = _mm_loadu_ps(data+i);
- d = d0; d = _mm_shuffle_ps(d, d, 0);
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
- }
-
- {
- __m128 d0 = _mm_setzero_ps();
- limit++; if(limit < 0) limit = 0;
-
- for(i = data_len-1; i >= limit; i--) {
- __m128 d;
- d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
- d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
- d0 = _mm_move_ss(d0, d);
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
- }
- }
-
- _mm_storeu_ps(autoc, sum0);
-}
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- int i;
- int limit = data_len - 8;
- __m128 sum0, sum1;
-
- (void) lag;
- FLAC__ASSERT(lag <= 8);
- FLAC__ASSERT(lag <= data_len);
-
- sum0 = _mm_setzero_ps();
- sum1 = _mm_setzero_ps();
-
- for(i = 0; i <= limit; i++) {
- __m128 d, d0, d1;
- d0 = _mm_loadu_ps(data+i);
- d1 = _mm_loadu_ps(data+i+4);
- d = d0; d = _mm_shuffle_ps(d, d, 0);
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
- sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
- }
-
- {
- __m128 d0 = _mm_setzero_ps();
- __m128 d1 = _mm_setzero_ps();
- limit++; if(limit < 0) limit = 0;
-
- for(i = data_len-1; i >= limit; i--) {
- __m128 d;
- d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
- d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
- d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
- d1 = _mm_move_ss(d1, d0);
- d0 = _mm_move_ss(d0, d);
- sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
- }
- }
-
- _mm_storeu_ps(autoc, sum0);
- _mm_storeu_ps(autoc+4, sum1);
-}
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- int i;
- int limit = data_len - 12;
- __m128 sum0, sum1, sum2;
-
- (void) lag;
- FLAC__ASSERT(lag <= 12);
- FLAC__ASSERT(lag <= data_len);
-
- sum0 = _mm_setzero_ps();
- sum1 = _mm_setzero_ps();
- sum2 = _mm_setzero_ps();
-
- for(i = 0; i <= limit; i++) {
- __m128 d, d0, d1, d2;
- d0 = _mm_loadu_ps(data+i);
- d1 = _mm_loadu_ps(data+i+4);
- d2 = _mm_loadu_ps(data+i+8);
- d = d0; d = _mm_shuffle_ps(d, d, 0);
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
- sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
- sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
- }
-
- {
- __m128 d0 = _mm_setzero_ps();
- __m128 d1 = _mm_setzero_ps();
- __m128 d2 = _mm_setzero_ps();
- limit++; if(limit < 0) limit = 0;
-
- for(i = data_len-1; i >= limit; i--) {
- __m128 d;
- d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
- d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
- d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
- d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
- d2 = _mm_move_ss(d2, d1);
- d1 = _mm_move_ss(d1, d0);
- d0 = _mm_move_ss(d0, d);
- sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
- sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
- }
- }
-
- _mm_storeu_ps(autoc, sum0);
- _mm_storeu_ps(autoc+4, sum1);
- _mm_storeu_ps(autoc+8, sum2);
-}
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- int i;
- int limit = data_len - 16;
- __m128 sum0, sum1, sum2, sum3;
-
- (void) lag;
- FLAC__ASSERT(lag <= 16);
- FLAC__ASSERT(lag <= data_len);
-
- sum0 = _mm_setzero_ps();
- sum1 = _mm_setzero_ps();
- sum2 = _mm_setzero_ps();
- sum3 = _mm_setzero_ps();
-
- for(i = 0; i <= limit; i++) {
- __m128 d, d0, d1, d2, d3;
- d0 = _mm_loadu_ps(data+i);
- d1 = _mm_loadu_ps(data+i+4);
- d2 = _mm_loadu_ps(data+i+8);
- d3 = _mm_loadu_ps(data+i+12);
- d = d0; d = _mm_shuffle_ps(d, d, 0);
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d0, d));
- sum1 = _mm_add_ps(sum1, _mm_mul_ps(d1, d));
- sum2 = _mm_add_ps(sum2, _mm_mul_ps(d2, d));
- sum3 = _mm_add_ps(sum3, _mm_mul_ps(d3, d));
- }
-
- {
- __m128 d0 = _mm_setzero_ps();
- __m128 d1 = _mm_setzero_ps();
- __m128 d2 = _mm_setzero_ps();
- __m128 d3 = _mm_setzero_ps();
- limit++; if(limit < 0) limit = 0;
-
- for(i = data_len-1; i >= limit; i--) {
- __m128 d;
- d = _mm_load_ss(data+i); d = _mm_shuffle_ps(d, d, 0);
- d3 = _mm_shuffle_ps(d3, d3, _MM_SHUFFLE(2,1,0,3));
- d2 = _mm_shuffle_ps(d2, d2, _MM_SHUFFLE(2,1,0,3));
- d1 = _mm_shuffle_ps(d1, d1, _MM_SHUFFLE(2,1,0,3));
- d0 = _mm_shuffle_ps(d0, d0, _MM_SHUFFLE(2,1,0,3));
- d3 = _mm_move_ss(d3, d2);
- d2 = _mm_move_ss(d2, d1);
- d1 = _mm_move_ss(d1, d0);
- d0 = _mm_move_ss(d0, d);
- sum3 = _mm_add_ps(sum3, _mm_mul_ps(d, d3));
- sum2 = _mm_add_ps(sum2, _mm_mul_ps(d, d2));
- sum1 = _mm_add_ps(sum1, _mm_mul_ps(d, d1));
- sum0 = _mm_add_ps(sum0, _mm_mul_ps(d, d0));
- }
- }
-
- _mm_storeu_ps(autoc, sum0);
- _mm_storeu_ps(autoc+4, sum1);
- _mm_storeu_ps(autoc+8, sum2);
- _mm_storeu_ps(autoc+12,sum3);
-}
-
-/* old routines: faster on older Intel CPUs (up to Core 2) */
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- __m128 xmm0, xmm2, xmm5;
-
- (void) lag;
- FLAC__ASSERT(lag > 0);
- FLAC__ASSERT(lag <= 4);
- FLAC__ASSERT(lag <= data_len);
- FLAC__ASSERT(data_len > 0);
-
- xmm5 = _mm_setzero_ps();
-
- xmm0 = _mm_load_ss(data++);
- xmm2 = xmm0;
- xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
-
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm5 = _mm_add_ps(xmm5, xmm0);
-
- data_len--;
-
- while(data_len)
- {
- xmm0 = _mm_load1_ps(data++);
-
- xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
- xmm2 = _mm_move_ss(xmm2, xmm0);
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm5 = _mm_add_ps(xmm5, xmm0);
-
- data_len--;
- }
-
- _mm_storeu_ps(autoc, xmm5);
-}
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- __m128 xmm0, xmm1, xmm2, xmm3, xmm5, xmm6;
-
- (void) lag;
- FLAC__ASSERT(lag > 0);
- FLAC__ASSERT(lag <= 8);
- FLAC__ASSERT(lag <= data_len);
- FLAC__ASSERT(data_len > 0);
-
- xmm5 = _mm_setzero_ps();
- xmm6 = _mm_setzero_ps();
-
- xmm0 = _mm_load_ss(data++);
- xmm2 = xmm0;
- xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
- xmm3 = _mm_setzero_ps();
-
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm5 = _mm_add_ps(xmm5, xmm0);
-
- data_len--;
-
- while(data_len)
- {
- xmm0 = _mm_load1_ps(data++);
-
- xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
- xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
- xmm3 = _mm_move_ss(xmm3, xmm2);
- xmm2 = _mm_move_ss(xmm2, xmm0);
-
- xmm1 = xmm0;
- xmm1 = _mm_mul_ps(xmm1, xmm3);
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm6 = _mm_add_ps(xmm6, xmm1);
- xmm5 = _mm_add_ps(xmm5, xmm0);
-
- data_len--;
- }
-
- _mm_storeu_ps(autoc, xmm5);
- _mm_storeu_ps(autoc+4, xmm6);
-}
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- __m128 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
-
- (void) lag;
- FLAC__ASSERT(lag > 0);
- FLAC__ASSERT(lag <= 12);
- FLAC__ASSERT(lag <= data_len);
- FLAC__ASSERT(data_len > 0);
-
- xmm5 = _mm_setzero_ps();
- xmm6 = _mm_setzero_ps();
- xmm7 = _mm_setzero_ps();
-
- xmm0 = _mm_load_ss(data++);
- xmm2 = xmm0;
- xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
- xmm3 = _mm_setzero_ps();
- xmm4 = _mm_setzero_ps();
-
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm5 = _mm_add_ps(xmm5, xmm0);
-
- data_len--;
-
- while(data_len)
- {
- xmm0 = _mm_load1_ps(data++);
-
- xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
- xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
- xmm4 = _mm_shuffle_ps(xmm4, xmm4, _MM_SHUFFLE(2,1,0,3));
- xmm4 = _mm_move_ss(xmm4, xmm3);
- xmm3 = _mm_move_ss(xmm3, xmm2);
- xmm2 = _mm_move_ss(xmm2, xmm0);
-
- xmm1 = xmm0;
- xmm1 = _mm_mul_ps(xmm1, xmm2);
- xmm5 = _mm_add_ps(xmm5, xmm1);
- xmm1 = xmm0;
- xmm1 = _mm_mul_ps(xmm1, xmm3);
- xmm6 = _mm_add_ps(xmm6, xmm1);
- xmm0 = _mm_mul_ps(xmm0, xmm4);
- xmm7 = _mm_add_ps(xmm7, xmm0);
-
- data_len--;
- }
-
- _mm_storeu_ps(autoc, xmm5);
- _mm_storeu_ps(autoc+4, xmm6);
- _mm_storeu_ps(autoc+8, xmm7);
-}
-
-FLAC__SSE_TARGET("sse")
-void FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-{
- __m128 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9;
-
- (void) lag;
- FLAC__ASSERT(lag > 0);
- FLAC__ASSERT(lag <= 16);
- FLAC__ASSERT(lag <= data_len);
- FLAC__ASSERT(data_len > 0);
-
- xmm6 = _mm_setzero_ps();
- xmm7 = _mm_setzero_ps();
- xmm8 = _mm_setzero_ps();
- xmm9 = _mm_setzero_ps();
-
- xmm0 = _mm_load_ss(data++);
- xmm2 = xmm0;
- xmm0 = _mm_shuffle_ps(xmm0, xmm0, 0);
- xmm3 = _mm_setzero_ps();
- xmm4 = _mm_setzero_ps();
- xmm5 = _mm_setzero_ps();
-
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm6 = _mm_add_ps(xmm6, xmm0);
-
- data_len--;
-
- while(data_len)
- {
- xmm0 = _mm_load1_ps(data++);
-
- /* shift xmm5:xmm4:xmm3:xmm2 left by one float */
- xmm5 = _mm_shuffle_ps(xmm5, xmm5, _MM_SHUFFLE(2,1,0,3));
- xmm4 = _mm_shuffle_ps(xmm4, xmm4, _MM_SHUFFLE(2,1,0,3));
- xmm3 = _mm_shuffle_ps(xmm3, xmm3, _MM_SHUFFLE(2,1,0,3));
- xmm2 = _mm_shuffle_ps(xmm2, xmm2, _MM_SHUFFLE(2,1,0,3));
- xmm5 = _mm_move_ss(xmm5, xmm4);
- xmm4 = _mm_move_ss(xmm4, xmm3);
- xmm3 = _mm_move_ss(xmm3, xmm2);
- xmm2 = _mm_move_ss(xmm2, xmm0);
-
- /* xmm9|xmm8|xmm7|xmm6 += xmm0|xmm0|xmm0|xmm0 * xmm5|xmm4|xmm3|xmm2 */
- xmm1 = xmm0;
- xmm1 = _mm_mul_ps(xmm1, xmm5);
- xmm9 = _mm_add_ps(xmm9, xmm1);
- xmm1 = xmm0;
- xmm1 = _mm_mul_ps(xmm1, xmm4);
- xmm8 = _mm_add_ps(xmm8, xmm1);
- xmm1 = xmm0;
- xmm1 = _mm_mul_ps(xmm1, xmm3);
- xmm7 = _mm_add_ps(xmm7, xmm1);
- xmm0 = _mm_mul_ps(xmm0, xmm2);
- xmm6 = _mm_add_ps(xmm6, xmm0);
-
- data_len--;
- }
-
- _mm_storeu_ps(autoc, xmm6);
- _mm_storeu_ps(autoc+4, xmm7);
- _mm_storeu_ps(autoc+8, xmm8);
- _mm_storeu_ps(autoc+12,xmm9);
-}
-
-#endif /* FLAC__SSE_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
-#endif /* FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse2.c b/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse2.c
deleted file mode 100644
index 1383394..0000000
--- a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse2.c
+++ /dev/null
@@ -1,1090 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/lpc.h"
-#ifdef FLAC__SSE2_SUPPORTED
-
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-
-#include <emmintrin.h> /* SSE2 */
-
-#define RESIDUAL16_RESULT(xmmN) curr = *data++; *residual++ = curr - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
-#define DATA16_RESULT(xmmN) curr = *residual++ + (_mm_cvtsi128_si32(xmmN) >> lp_quantization); *data++ = curr;
-
-#define RESIDUAL32_RESULT(xmmN) residual[i] = data[i] - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
-#define DATA32_RESULT(xmmN) data[i] = residual[i] + (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
-
-FLAC__SSE_TARGET("sse2")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
- FLAC__int32 sum;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
- q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
- q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
- q11 = _mm_cvtsi32_si128(0xffff & qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q11, _mm_loadu_si128((const __m128i*)(data+i-12)));
- mull = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(data+i-11))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 11 */
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
- q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
- q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(data+i-11)));
- mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 10) {
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
- q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10)));
- mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 9 */
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9)));
- mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- __m128i q0, q1, q2, q3, q4, q5, q6, q7;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8)));
- mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 7 */
- __m128i q0, q1, q2, q3, q4, q5, q6;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7)));
- mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 6) {
- __m128i q0, q1, q2, q3, q4, q5;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6)));
- mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 5 */
- __m128i q0, q1, q2, q3, q4;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5)));
- mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- __m128i q0, q1, q2, q3;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4)));
- mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 3 */
- __m128i q0, q1, q2;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3)));
- mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 2) {
- __m128i q0, q1;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2)));
- mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 1 */
- __m128i q0;
- q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ;
- summ = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1)));
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- }
- for(; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 12: sum += qlp_coeff[11] * data[i-12];
- case 11: sum += qlp_coeff[10] * data[i-11];
- case 10: sum += qlp_coeff[ 9] * data[i-10];
- case 9: sum += qlp_coeff[ 8] * data[i- 9];
- case 8: sum += qlp_coeff[ 7] * data[i- 8];
- case 7: sum += qlp_coeff[ 6] * data[i- 7];
- case 6: sum += qlp_coeff[ 5] * data[i- 6];
- case 5: sum += qlp_coeff[ 4] * data[i- 5];
- case 4: sum += qlp_coeff[ 3] * data[i- 4];
- case 3: sum += qlp_coeff[ 2] * data[i- 3];
- case 2: sum += qlp_coeff[ 1] * data[i- 2];
- case 1: sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
-}
-
-FLAC__SSE_TARGET("sse2")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- if(order <= 12) {
- if(order > 8) { /* order == 9, 10, 11, 12 */
- if(order > 10) { /* order == 11, 12 */
- if(order == 12) {
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
- xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
- xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
- xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[11] * data[i-12];
- //sum += qlp_coeff[10] * data[i-11];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
- xmm7 = _mm_mul_epu32(xmm7, xmm5); /* we use _unsigned_ multiplication and discard high dword of the result values */
-
- //sum += qlp_coeff[9] * data[i-10];
- //sum += qlp_coeff[8] * data[i-9];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm4);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[7] * data[i-8];
- //sum += qlp_coeff[6] * data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm3);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm2);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- else { /* order == 11 */
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
- xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[10] * data[i-11];
- xmm7 = _mm_cvtsi32_si128(data[i-11]);
- xmm7 = _mm_mul_epu32(xmm7, xmm5);
-
- //sum += qlp_coeff[9] * data[i-10];
- //sum += qlp_coeff[8] * data[i-9];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm4);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[7] * data[i-8];
- //sum += qlp_coeff[6] * data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm3);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm2);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- }
- else { /* order == 9, 10 */
- if(order == 10) {
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[9] * data[i-10];
- //sum += qlp_coeff[8] * data[i-9];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epu32(xmm7, xmm4);
-
- //sum += qlp_coeff[7] * data[i-8];
- //sum += qlp_coeff[6] * data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm3);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm2);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- else { /* order == 9 */
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[8] * data[i-9];
- xmm7 = _mm_cvtsi32_si128(data[i-9]);
- xmm7 = _mm_mul_epu32(xmm7, xmm4);
-
- //sum += qlp_coeff[7] * data[i-8];
- //sum += qlp_coeff[6] * data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm3);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm2);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- }
- }
- else if(order > 4) { /* order == 5, 6, 7, 8 */
- if(order > 6) { /* order == 7, 8 */
- if(order == 8) {
- __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[7] * data[i-8];
- //sum += qlp_coeff[6] * data[i-7];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epu32(xmm7, xmm3);
-
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm2);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- else { /* order == 7 */
- __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[6] * data[i-7];
- xmm7 = _mm_cvtsi32_si128(data[i-7]);
- xmm7 = _mm_mul_epu32(xmm7, xmm3);
-
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm2);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- }
- else { /* order == 5, 6 */
- if(order == 6) {
- __m128i xmm0, xmm1, xmm2, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[5] * data[i-6];
- //sum += qlp_coeff[4] * data[i-5];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epu32(xmm7, xmm2);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- else { /* order == 5 */
- __m128i xmm0, xmm1, xmm2, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[4] * data[i-5];
- xmm7 = _mm_cvtsi32_si128(data[i-5]);
- xmm7 = _mm_mul_epu32(xmm7, xmm2);
-
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm1);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- }
- }
- else { /* order == 1, 2, 3, 4 */
- if(order > 2) { /* order == 3, 4 */
- if(order == 4) {
- __m128i xmm0, xmm1, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[3] * data[i-4];
- //sum += qlp_coeff[2] * data[i-3];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epu32(xmm7, xmm1);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- else { /* order == 3 */
- __m128i xmm0, xmm1, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[2] * data[i-3];
- xmm7 = _mm_cvtsi32_si128(data[i-3]);
- xmm7 = _mm_mul_epu32(xmm7, xmm1);
-
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epu32(xmm6, xmm0);
- xmm7 = _mm_add_epi32(xmm7, xmm6);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- }
- else { /* order == 1, 2 */
- if(order == 2) {
- __m128i xmm0, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[1] * data[i-2];
- //sum += qlp_coeff[0] * data[i-1];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epu32(xmm7, xmm0);
-
- xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL32_RESULT(xmm7);
- }
- }
- else { /* order == 1 */
- for(i = 0; i < (int)data_len; i++)
- residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
- }
- }
- }
- }
- else { /* order > 12 */
- FLAC__int32 sum;
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
-}
-
-#if defined FLAC__CPU_IA32 && !defined FLAC__HAS_NASM /* unused for x64; not better than MMX asm */
-
-FLAC__SSE_TARGET("sse2")
-void FLAC__lpc_restore_signal_16_intrin_sse2(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
-{
- if (order < 8 || order > 12) {
- FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
- return;
- }
- if (data_len == 0)
- return;
-
- FLAC__ASSERT(order >= 8);
- FLAC__ASSERT(order <= 12);
-
- if(order > 8) { /* order == 9, 10, 11, 12 */
- FLAC__int32 curr;
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
- xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
- xmm6 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
- xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); /* read 0 to 3 uninitialized coeffs... */
- switch(order) /* ...and zero them out */
- {
- case 9:
- xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12); break;
- case 10:
- xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8); break;
- case 11:
- xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4); break;
- }
- xmm2 = _mm_setzero_si128();
- xmm0 = _mm_packs_epi32(xmm0, xmm6);
- xmm1 = _mm_packs_epi32(xmm1, xmm2);
-
- xmm4 = _mm_loadu_si128((const __m128i*)(data-12));
- xmm5 = _mm_loadu_si128((const __m128i*)(data-8));
- xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(0,1,2,3));
- xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(0,1,2,3));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
- xmm4 = _mm_packs_epi32(xmm4, xmm2);
- xmm3 = _mm_packs_epi32(xmm3, xmm5);
-
- xmm7 = _mm_slli_si128(xmm1, 2);
- xmm7 = _mm_or_si128(xmm7, _mm_srli_si128(xmm0, 14));
- xmm2 = _mm_slli_si128(xmm0, 2);
-
- /* xmm0, xmm1: qlp_coeff
- xmm2, xmm7: qlp_coeff << 16 bit
- xmm3, xmm4: data */
-
- xmm5 = _mm_madd_epi16(xmm4, xmm1);
- xmm6 = _mm_madd_epi16(xmm3, xmm0);
- xmm6 = _mm_add_epi32(xmm6, xmm5);
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
-
- DATA16_RESULT(xmm6);
-
- data_len--;
-
- if(data_len % 2) {
- xmm6 = _mm_srli_si128(xmm3, 14);
- xmm4 = _mm_slli_si128(xmm4, 2);
- xmm3 = _mm_slli_si128(xmm3, 2);
- xmm4 = _mm_or_si128(xmm4, xmm6);
- xmm3 = _mm_insert_epi16(xmm3, curr, 0);
-
- xmm5 = _mm_madd_epi16(xmm4, xmm1);
- xmm6 = _mm_madd_epi16(xmm3, xmm0);
- xmm6 = _mm_add_epi32(xmm6, xmm5);
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
-
- DATA16_RESULT(xmm6);
-
- data_len--;
- }
-
- while(data_len) { /* data_len is a multiple of 2 */
- /* 1 _mm_slli_si128 per data element less but we need shifted qlp_coeff in xmm2:xmm7 */
- xmm6 = _mm_srli_si128(xmm3, 12);
- xmm4 = _mm_slli_si128(xmm4, 4);
- xmm3 = _mm_slli_si128(xmm3, 4);
- xmm4 = _mm_or_si128(xmm4, xmm6);
- xmm3 = _mm_insert_epi16(xmm3, curr, 1);
-
- xmm5 = _mm_madd_epi16(xmm4, xmm7);
- xmm6 = _mm_madd_epi16(xmm3, xmm2);
- xmm6 = _mm_add_epi32(xmm6, xmm5);
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
-
- DATA16_RESULT(xmm6);
-
- xmm3 = _mm_insert_epi16(xmm3, curr, 0);
-
- xmm5 = _mm_madd_epi16(xmm4, xmm1);
- xmm6 = _mm_madd_epi16(xmm3, xmm0);
- xmm6 = _mm_add_epi32(xmm6, xmm5);
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
-
- DATA16_RESULT(xmm6);
-
- data_len-=2;
- }
- } /* endif(order > 8) */
- else
- {
- FLAC__int32 curr;
- __m128i xmm0, xmm1, xmm3, xmm6;
- xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
- xmm0 = _mm_packs_epi32(xmm0, xmm1);
-
- xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
- xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
- xmm3 = _mm_packs_epi32(xmm3, xmm1);
-
- /* xmm0: qlp_coeff
- xmm3: data */
-
- xmm6 = _mm_madd_epi16(xmm3, xmm0);
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
-
- DATA16_RESULT(xmm6);
-
- data_len--;
-
- while(data_len) {
- xmm3 = _mm_slli_si128(xmm3, 2);
- xmm3 = _mm_insert_epi16(xmm3, curr, 0);
-
- xmm6 = _mm_madd_epi16(xmm3, xmm0);
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
- xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
-
- DATA16_RESULT(xmm6);
-
- data_len--;
- }
- }
-}
-
-#endif /* defined FLAC__CPU_IA32 && !defined FLAC__HAS_NASM */
-
-#endif /* FLAC__SSE2_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
-#endif /* FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse41.c b/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse41.c
deleted file mode 100644
index bef73f4..0000000
--- a/deps/flac-1.3.2/src/libFLAC/lpc_intrin_sse41.c
+++ /dev/null
@@ -1,1314 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/lpc.h"
-#ifdef FLAC__SSE4_1_SUPPORTED
-
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-
-#include <smmintrin.h> /* SSE4.1 */
-
-#if defined FLAC__CPU_IA32 /* unused for x64 */
-
-#define RESIDUAL64_RESULT(xmmN) residual[i] = data[i] - _mm_cvtsi128_si32(_mm_srl_epi64(xmmN, cnt))
-#define RESIDUAL64_RESULT1(xmmN) residual[i] = data[i] - _mm_cvtsi128_si32(_mm_srli_epi64(xmmN, lp_quantization))
-
-FLAC__SSE_TARGET("sse4.1")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
- FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm_sra_epi64() so we have to use _mm_srl_epi64() */
-
- if(order <= 12) {
- if(order > 8) { /* order == 9, 10, 11, 12 */
- if(order > 10) { /* order == 11, 12 */
- if(order == 12) {
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
- xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
- xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
- xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- //sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
- xmm7 = _mm_mul_epi32(xmm7, xmm5);
-
- //sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- //sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm4);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- //sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm3);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm2);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT1(xmm7);
- }
- }
- else { /* order == 11 */
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
- xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[10] * (FLAC__int64)data[i-11];
- xmm7 = _mm_cvtsi32_si128(data[i-11]);
- xmm7 = _mm_mul_epi32(xmm7, xmm5);
-
- //sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- //sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm4);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- //sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm3);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm2);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT1(xmm7);
- }
- }
- }
- else { /* order == 9, 10 */
- if(order == 10) {
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
- xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
- //sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epi32(xmm7, xmm4);
-
- //sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- //sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm3);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm2);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- else { /* order == 9 */
- __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[8] * (FLAC__int64)data[i-9];
- xmm7 = _mm_cvtsi32_si128(data[i-9]);
- xmm7 = _mm_mul_epi32(xmm7, xmm4);
-
- //sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- //sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm3);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm2);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- }
- }
- else if(order > 4) { /* order == 5, 6, 7, 8 */
- if(order > 6) { /* order == 7, 8 */
- if(order == 8) {
- __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
- xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
- //sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epi32(xmm7, xmm3);
-
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm2);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- else { /* order == 7 */
- __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[6] * (FLAC__int64)data[i-7];
- xmm7 = _mm_cvtsi32_si128(data[i-7]);
- xmm7 = _mm_mul_epi32(xmm7, xmm3);
-
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm2);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- }
- else { /* order == 5, 6 */
- if(order == 6) {
- __m128i xmm0, xmm1, xmm2, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
- xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
- //sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epi32(xmm7, xmm2);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- else { /* order == 5 */
- __m128i xmm0, xmm1, xmm2, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[4] * (FLAC__int64)data[i-5];
- xmm7 = _mm_cvtsi32_si128(data[i-5]);
- xmm7 = _mm_mul_epi32(xmm7, xmm2);
-
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm1);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- }
- }
- else { /* order == 1, 2, 3, 4 */
- if(order > 2) { /* order == 3, 4 */
- if(order == 4) {
- __m128i xmm0, xmm1, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
- xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
- //sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epi32(xmm7, xmm1);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- else { /* order == 3 */
- __m128i xmm0, xmm1, xmm6, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
-
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum = qlp_coeff[2] * (FLAC__int64)data[i-3];
- xmm7 = _mm_cvtsi32_si128(data[i-3]);
- xmm7 = _mm_mul_epi32(xmm7, xmm1);
-
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
- xmm6 = _mm_mul_epi32(xmm6, xmm0);
- xmm7 = _mm_add_epi64(xmm7, xmm6);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- }
- else { /* order == 1, 2 */
- if(order == 2) {
- __m128i xmm0, xmm7;
- xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = 0;
- //sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
- //sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
- xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
- xmm7 = _mm_mul_epi32(xmm7, xmm0);
-
- xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
- RESIDUAL64_RESULT(xmm7);
- }
- }
- else { /* order == 1 */
- __m128i xmm0, xmm7;
- xmm0 = _mm_cvtsi32_si128(qlp_coeff[0]);
-
- for(i = 0; i < (int)data_len; i++) {
- //sum = qlp_coeff[0] * (FLAC__int64)data[i-1];
- xmm7 = _mm_cvtsi32_si128(data[i-1]);
- xmm7 = _mm_mul_epi32(xmm7, xmm0);
- RESIDUAL64_RESULT(xmm7);
- }
- }
- }
- }
- }
- else { /* order > 12 */
- FLAC__int64 sum;
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32];
- case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31];
- case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30];
- case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29];
- case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28];
- case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27];
- case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26];
- case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25];
- case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24];
- case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23];
- case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22];
- case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21];
- case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20];
- case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19];
- case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18];
- case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17];
- case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16];
- case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15];
- case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14];
- case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
- sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
- sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
- sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
- sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
- sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
- sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
- sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
- sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
- }
- residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
- }
- }
-}
-
-FLAC__SSE_TARGET("sse4.1")
-void FLAC__lpc_restore_signal_wide_intrin_sse41(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
-{
- int i;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
-
- if (!data_len)
- return;
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
- FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm_sra_epi64() so we have to use _mm_srl_epi64() */
-
- if(order <= 12) {
- if(order > 8) { /* order == 9, 10, 11, 12 */
- if(order > 10) { /* order == 11, 12 */
- __m128i qlp[6], dat[6];
- __m128i summ, temp;
- qlp[0] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
- qlp[1] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
- qlp[2] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
- qlp[3] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
- qlp[4] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
- if (order == 12)
- qlp[5] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
- else
- qlp[5] = _mm_cvtsi32_si128(qlp_coeff[10]); // 0 0 0 q[10]
-
- qlp[0] = _mm_shuffle_epi32(qlp[0], _MM_SHUFFLE(2,0,3,1)); // 0 q[0] 0 q[1]
- qlp[1] = _mm_shuffle_epi32(qlp[1], _MM_SHUFFLE(2,0,3,1)); // 0 q[2] 0 q[3]
- qlp[2] = _mm_shuffle_epi32(qlp[2], _MM_SHUFFLE(2,0,3,1)); // 0 q[4] 0 q[5]
- qlp[3] = _mm_shuffle_epi32(qlp[3], _MM_SHUFFLE(2,0,3,1)); // 0 q[5] 0 q[7]
- qlp[4] = _mm_shuffle_epi32(qlp[4], _MM_SHUFFLE(2,0,3,1)); // 0 q[8] 0 q[9]
- qlp[5] = _mm_shuffle_epi32(qlp[5], _MM_SHUFFLE(2,0,3,1)); // 0 q[10] 0 q[11]
-
- dat[5] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-12))); // ? d[i-11] ? d[i-12]
- dat[4] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-10))); // ? d[i-9] ? d[i-10]
- dat[3] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-8 ))); // ? d[i-7] ? d[i-8]
- dat[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-6 ))); // ? d[i-5] ? d[i-6]
- dat[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-4 ))); // ? d[i-3] ? d[i-4]
- dat[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-2 ))); // ? d[i-1] ? d[i-2]
-
- summ = _mm_mul_epi32(dat[5], qlp[5]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[4], qlp[4]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8)); // ?_64 sum_64
- summ = _mm_srl_epi64(summ, cnt); // ?_64 (sum >> lp_quantization)_64 == ?_32 ?_32 ?_32 (sum >> lp_quantization)_32
- temp = _mm_cvtsi32_si128(residual[0]); // 0 0 0 r[i]
- temp = _mm_add_epi32(temp, summ); // ? ? ? d[i]
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- dat[5] = _mm_alignr_epi8(dat[4], dat[5], 8); // ? d[i-10] ? d[i-11]
- dat[4] = _mm_alignr_epi8(dat[3], dat[4], 8); // ? d[i-8] ? d[i-9]
- dat[3] = _mm_alignr_epi8(dat[2], dat[3], 8); // ? d[i-6] ? d[i-7]
- dat[2] = _mm_alignr_epi8(dat[1], dat[2], 8); // ? d[i-4] ? d[i-5]
- dat[1] = _mm_alignr_epi8(dat[0], dat[1], 8); // ? d[i-2] ? d[i-3]
- dat[0] = _mm_alignr_epi8(temp, dat[0], 8); // ? d[i ] ? d[i-1]
-
- summ = _mm_mul_epi32(dat[5], qlp[5]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[4], qlp[4]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8)); // ?_64 sum_64
- summ = _mm_srl_epi64(summ, cnt); // ?_64 (sum >> lp_quantization)_64 == ?_32 ?_32 ?_32 (sum >> lp_quantization)_32
- temp = _mm_cvtsi32_si128(residual[i]); // 0 0 0 r[i]
- temp = _mm_add_epi32(temp, summ); // ? ? ? d[i]
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- else { /* order == 9, 10 */
- __m128i qlp[5], dat[5];
- __m128i summ, temp;
- qlp[0] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- qlp[1] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- qlp[2] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- qlp[3] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- if (order == 10)
- qlp[4] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
- else
- qlp[4] = _mm_cvtsi32_si128(qlp_coeff[8]);
-
- qlp[0] = _mm_shuffle_epi32(qlp[0], _MM_SHUFFLE(2,0,3,1));
- qlp[1] = _mm_shuffle_epi32(qlp[1], _MM_SHUFFLE(2,0,3,1));
- qlp[2] = _mm_shuffle_epi32(qlp[2], _MM_SHUFFLE(2,0,3,1));
- qlp[3] = _mm_shuffle_epi32(qlp[3], _MM_SHUFFLE(2,0,3,1));
- qlp[4] = _mm_shuffle_epi32(qlp[4], _MM_SHUFFLE(2,0,3,1));
-
- dat[4] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-10)));
- dat[3] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-8 )));
- dat[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-6 )));
- dat[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-4 )));
- dat[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-2 )));
-
- summ = _mm_mul_epi32(dat[4], qlp[4]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[0]);
- temp = _mm_add_epi32(temp, summ);
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- dat[4] = _mm_alignr_epi8(dat[3], dat[4], 8);
- dat[3] = _mm_alignr_epi8(dat[2], dat[3], 8);
- dat[2] = _mm_alignr_epi8(dat[1], dat[2], 8);
- dat[1] = _mm_alignr_epi8(dat[0], dat[1], 8);
- dat[0] = _mm_alignr_epi8(temp, dat[0], 8);
-
- summ = _mm_mul_epi32(dat[4], qlp[4]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[i]);
- temp = _mm_add_epi32(temp, summ);
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- }
- else if(order > 4) { /* order == 5, 6, 7, 8 */
- if(order > 6) { /* order == 7, 8 */
- __m128i qlp[4], dat[4];
- __m128i summ, temp;
- qlp[0] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- qlp[1] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- qlp[2] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- if (order == 8)
- qlp[3] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
- else
- qlp[3] = _mm_cvtsi32_si128(qlp_coeff[6]);
-
- qlp[0] = _mm_shuffle_epi32(qlp[0], _MM_SHUFFLE(2,0,3,1));
- qlp[1] = _mm_shuffle_epi32(qlp[1], _MM_SHUFFLE(2,0,3,1));
- qlp[2] = _mm_shuffle_epi32(qlp[2], _MM_SHUFFLE(2,0,3,1));
- qlp[3] = _mm_shuffle_epi32(qlp[3], _MM_SHUFFLE(2,0,3,1));
-
- dat[3] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-8 )));
- dat[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-6 )));
- dat[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-4 )));
- dat[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-2 )));
-
- summ = _mm_mul_epi32(dat[3], qlp[3]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[0]);
- temp = _mm_add_epi32(temp, summ);
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- dat[3] = _mm_alignr_epi8(dat[2], dat[3], 8);
- dat[2] = _mm_alignr_epi8(dat[1], dat[2], 8);
- dat[1] = _mm_alignr_epi8(dat[0], dat[1], 8);
- dat[0] = _mm_alignr_epi8(temp, dat[0], 8);
-
- summ = _mm_mul_epi32(dat[3], qlp[3]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[i]);
- temp = _mm_add_epi32(temp, summ);
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- else { /* order == 5, 6 */
- __m128i qlp[3], dat[3];
- __m128i summ, temp;
- qlp[0] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- qlp[1] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- if (order == 6)
- qlp[2] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
- else
- qlp[2] = _mm_cvtsi32_si128(qlp_coeff[4]);
-
- qlp[0] = _mm_shuffle_epi32(qlp[0], _MM_SHUFFLE(2,0,3,1));
- qlp[1] = _mm_shuffle_epi32(qlp[1], _MM_SHUFFLE(2,0,3,1));
- qlp[2] = _mm_shuffle_epi32(qlp[2], _MM_SHUFFLE(2,0,3,1));
-
- dat[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-6 )));
- dat[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-4 )));
- dat[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-2 )));
-
- summ = _mm_mul_epi32(dat[2], qlp[2]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[0]);
- temp = _mm_add_epi32(temp, summ);
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- dat[2] = _mm_alignr_epi8(dat[1], dat[2], 8);
- dat[1] = _mm_alignr_epi8(dat[0], dat[1], 8);
- dat[0] = _mm_alignr_epi8(temp, dat[0], 8);
-
- summ = _mm_mul_epi32(dat[2], qlp[2]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[i]);
- temp = _mm_add_epi32(temp, summ);
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- }
- else { /* order == 1, 2, 3, 4 */
- if(order > 2) { /* order == 3, 4 */
- __m128i qlp[2], dat[2];
- __m128i summ, temp;
- qlp[0] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
- if (order == 4)
- qlp[1] = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
- else
- qlp[1] = _mm_cvtsi32_si128(qlp_coeff[2]);
-
- qlp[0] = _mm_shuffle_epi32(qlp[0], _MM_SHUFFLE(2,0,3,1));
- qlp[1] = _mm_shuffle_epi32(qlp[1], _MM_SHUFFLE(2,0,3,1));
-
- dat[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-4 )));
- dat[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-2 )));
-
- summ = _mm_mul_epi32(dat[1], qlp[1]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[0]);
- temp = _mm_add_epi32(temp, summ);
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- dat[1] = _mm_alignr_epi8(dat[0], dat[1], 8);
- dat[0] = _mm_alignr_epi8(temp, dat[0], 8);
-
- summ = _mm_mul_epi32(dat[1], qlp[1]) ;
- summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[i]);
- temp = _mm_add_epi32(temp, summ);
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- else { /* order == 1, 2 */
- if(order == 2) {
- __m128i qlp0, dat0;
- __m128i summ, temp;
- qlp0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff));
- qlp0 = _mm_shuffle_epi32(qlp0, _MM_SHUFFLE(2,0,3,1));
-
- dat0 = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(data-2 )));
-
- summ = _mm_mul_epi32(dat0, qlp0) ;
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[0]);
- temp = _mm_add_epi32(temp, summ);
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- dat0 = _mm_alignr_epi8(temp, dat0, 8);
-
- summ = _mm_mul_epi32(dat0, qlp0) ;
-
- summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[i]);
- temp = _mm_add_epi32(temp, summ);
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- else { /* order == 1 */
- __m128i qlp0;
- __m128i summ, temp;
- qlp0 = _mm_cvtsi32_si128(qlp_coeff[0]);
- temp = _mm_cvtsi32_si128(data[-1]);
-
- summ = _mm_mul_epi32(temp, qlp0);
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[0]);
- temp = _mm_add_epi32(temp, summ);
- data[0] = _mm_cvtsi128_si32(temp);
-
- for(i = 1; i < (int)data_len; i++) {
- summ = _mm_mul_epi32(temp, qlp0) ;
- summ = _mm_srl_epi64(summ, cnt);
- temp = _mm_cvtsi32_si128(residual[i]);
- temp = _mm_add_epi32(temp, summ);
- data[i] = _mm_cvtsi128_si32(temp);
- }
- }
- }
- }
- }
- else { /* order > 12 */
- FLAC__int64 sum;
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32];
- case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31];
- case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30];
- case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29];
- case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28];
- case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27];
- case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26];
- case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25];
- case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24];
- case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23];
- case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22];
- case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21];
- case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20];
- case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19];
- case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18];
- case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17];
- case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16];
- case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15];
- case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14];
- case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
- sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
- sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
- sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
- sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
- sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
- sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
- sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
- sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
- sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
- sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
- sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
- sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
- }
- data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization);
- }
- }
-}
-
-#endif /* defined FLAC__CPU_IA32 */
-
-FLAC__SSE_TARGET("sse4.1")
-void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-{
- int i;
- FLAC__int32 sum;
- __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
-
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= 32);
-
- if(order <= 12) {
- if(order > 8) {
- if(order > 10) {
- if(order == 12) {
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
- q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
- q10 = _mm_cvtsi32_si128(qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
- q11 = _mm_cvtsi32_si128(qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q11, _mm_loadu_si128((const __m128i*)(data+i-12)));
- mull = _mm_mullo_epi32(q10, _mm_loadu_si128((const __m128i*)(data+i-11))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 11 */
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
- q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
- q10 = _mm_cvtsi32_si128(qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q10, _mm_loadu_si128((const __m128i*)(data+i-11)));
- mull = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 10) {
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
- q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(data+i-10)));
- mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 9 */
- __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
- q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9)));
- mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- }
- else if(order > 4) {
- if(order > 6) {
- if(order == 8) {
- __m128i q0, q1, q2, q3, q4, q5, q6, q7;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
- q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8)));
- mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 7 */
- __m128i q0, q1, q2, q3, q4, q5, q6;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
- q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7)));
- mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 6) {
- __m128i q0, q1, q2, q3, q4, q5;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
- q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6)));
- mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 5 */
- __m128i q0, q1, q2, q3, q4;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
- q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5)));
- mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- }
- else {
- if(order > 2) {
- if(order == 4) {
- __m128i q0, q1, q2, q3;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
- q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4)));
- mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 3 */
- __m128i q0, q1, q2;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
- q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3)));
- mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- else {
- if(order == 2) {
- __m128i q0, q1;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
- q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ, mull;
- summ = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2)));
- mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- else { /* order == 1 */
- __m128i q0;
- q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
-
- for(i = 0; i < (int)data_len-3; i+=4) {
- __m128i summ;
- summ = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1)));
- summ = _mm_sra_epi32(summ, cnt);
- _mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
- }
- }
- }
- }
- for(; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 12: sum += qlp_coeff[11] * data[i-12];
- case 11: sum += qlp_coeff[10] * data[i-11];
- case 10: sum += qlp_coeff[ 9] * data[i-10];
- case 9: sum += qlp_coeff[ 8] * data[i- 9];
- case 8: sum += qlp_coeff[ 7] * data[i- 8];
- case 7: sum += qlp_coeff[ 6] * data[i- 7];
- case 6: sum += qlp_coeff[ 5] * data[i- 6];
- case 5: sum += qlp_coeff[ 4] * data[i- 5];
- case 4: sum += qlp_coeff[ 3] * data[i- 4];
- case 3: sum += qlp_coeff[ 2] * data[i- 3];
- case 2: sum += qlp_coeff[ 1] * data[i- 2];
- case 1: sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
- else { /* order > 12 */
- for(i = 0; i < (int)data_len; i++) {
- sum = 0;
- switch(order) {
- case 32: sum += qlp_coeff[31] * data[i-32];
- case 31: sum += qlp_coeff[30] * data[i-31];
- case 30: sum += qlp_coeff[29] * data[i-30];
- case 29: sum += qlp_coeff[28] * data[i-29];
- case 28: sum += qlp_coeff[27] * data[i-28];
- case 27: sum += qlp_coeff[26] * data[i-27];
- case 26: sum += qlp_coeff[25] * data[i-26];
- case 25: sum += qlp_coeff[24] * data[i-25];
- case 24: sum += qlp_coeff[23] * data[i-24];
- case 23: sum += qlp_coeff[22] * data[i-23];
- case 22: sum += qlp_coeff[21] * data[i-22];
- case 21: sum += qlp_coeff[20] * data[i-21];
- case 20: sum += qlp_coeff[19] * data[i-20];
- case 19: sum += qlp_coeff[18] * data[i-19];
- case 18: sum += qlp_coeff[17] * data[i-18];
- case 17: sum += qlp_coeff[16] * data[i-17];
- case 16: sum += qlp_coeff[15] * data[i-16];
- case 15: sum += qlp_coeff[14] * data[i-15];
- case 14: sum += qlp_coeff[13] * data[i-14];
- case 13: sum += qlp_coeff[12] * data[i-13];
- sum += qlp_coeff[11] * data[i-12];
- sum += qlp_coeff[10] * data[i-11];
- sum += qlp_coeff[ 9] * data[i-10];
- sum += qlp_coeff[ 8] * data[i- 9];
- sum += qlp_coeff[ 7] * data[i- 8];
- sum += qlp_coeff[ 6] * data[i- 7];
- sum += qlp_coeff[ 5] * data[i- 6];
- sum += qlp_coeff[ 4] * data[i- 5];
- sum += qlp_coeff[ 3] * data[i- 4];
- sum += qlp_coeff[ 2] * data[i- 3];
- sum += qlp_coeff[ 1] * data[i- 2];
- sum += qlp_coeff[ 0] * data[i- 1];
- }
- residual[i] = data[i] - (sum >> lp_quantization);
- }
- }
-}
-
-#endif /* FLAC__SSE4_1_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
-#endif /* FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/md5.c b/deps/flac-1.3.2/src/libFLAC/md5.c
deleted file mode 100644
index e9013a9..0000000
--- a/deps/flac-1.3.2/src/libFLAC/md5.c
+++ /dev/null
@@ -1,516 +0,0 @@
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h> /* for malloc() */
-#include <string.h> /* for memcpy() */
-
-#include "private/md5.h"
-#include "share/alloc.h"
-#include "share/endswap.h"
-
-/*
- * This code implements the MD5 message-digest algorithm.
- * The algorithm is due to Ron Rivest. This code was
- * written by Colin Plumb in 1993, no copyright is claimed.
- * This code is in the public domain; do with it what you wish.
- *
- * Equivalent code is available from RSA Data Security, Inc.
- * This code has been tested against that, and is equivalent,
- * except that you don't need to include two pages of legalese
- * with every copy.
- *
- * To compute the message digest of a chunk of bytes, declare an
- * MD5Context structure, pass it to MD5Init, call MD5Update as
- * needed on buffers full of bytes, and then call MD5Final, which
- * will fill a supplied 16-byte array with the digest.
- *
- * Changed so as no longer to depend on Colin Plumb's `usual.h' header
- * definitions; now uses stuff from dpkg's config.h.
- * - Ian Jackson <ijackson@nyx.cs.du.edu>.
- * Still in the public domain.
- *
- * Josh Coalson: made some changes to integrate with libFLAC.
- * Still in the public domain.
- */
-
-/* The four core functions - F1 is optimized somewhat */
-
-/* #define F1(x, y, z) (x & y | ~x & z) */
-#define F1(x, y, z) (z ^ (x & (y ^ z)))
-#define F2(x, y, z) F1(z, x, y)
-#define F3(x, y, z) (x ^ y ^ z)
-#define F4(x, y, z) (y ^ (x | ~z))
-
-/* This is the central step in the MD5 algorithm. */
-#define MD5STEP(f,w,x,y,z,in,s) \
- (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
-
-/*
- * The core of the MD5 algorithm, this alters an existing MD5 hash to
- * reflect the addition of 16 longwords of new data. MD5Update blocks
- * the data and converts bytes into longwords for this routine.
- */
-static void FLAC__MD5Transform(FLAC__uint32 buf[4], FLAC__uint32 const in[16])
-{
- register FLAC__uint32 a, b, c, d;
-
- a = buf[0];
- b = buf[1];
- c = buf[2];
- d = buf[3];
-
- MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
- MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
- MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
- MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
- MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
- MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
- MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
- MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
- MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
- MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
- MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
- MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
- MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
- MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
- MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
- MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
-
- MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
- MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
- MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
- MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
- MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
- MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
- MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
- MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
- MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
- MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
- MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
- MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
- MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
- MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
- MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
- MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
-
- MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
- MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
- MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
- MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
- MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
- MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
- MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
- MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
- MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
- MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
- MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
- MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
- MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
- MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
- MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
- MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
-
- MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
- MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
- MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
- MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
- MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
- MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
- MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
- MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
- MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
- MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
- MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
- MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
- MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
- MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
- MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
- MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
-
- buf[0] += a;
- buf[1] += b;
- buf[2] += c;
- buf[3] += d;
-}
-
-#if WORDS_BIGENDIAN
-//@@@@@@ OPT: use bswap/intrinsics
-static void byteSwap(FLAC__uint32 *buf, unsigned words)
-{
- register FLAC__uint32 x;
- do {
- x = *buf;
- x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff);
- *buf++ = (x >> 16) | (x << 16);
- } while (--words);
-}
-static void byteSwapX16(FLAC__uint32 *buf)
-{
- register FLAC__uint32 x;
-
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16);
- x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf = (x >> 16) | (x << 16);
-}
-#else
-#define byteSwap(buf, words)
-#define byteSwapX16(buf)
-#endif
-
-/*
- * Update context to reflect the concatenation of another buffer full
- * of bytes.
- */
-static void FLAC__MD5Update(FLAC__MD5Context *ctx, FLAC__byte const *buf, unsigned len)
-{
- FLAC__uint32 t;
-
- /* Update byte count */
-
- t = ctx->bytes[0];
- if ((ctx->bytes[0] = t + len) < t)
- ctx->bytes[1]++; /* Carry from low to high */
-
- t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */
- if (t > len) {
- memcpy((FLAC__byte *)ctx->in + 64 - t, buf, len);
- return;
- }
- /* First chunk is an odd size */
- memcpy((FLAC__byte *)ctx->in + 64 - t, buf, t);
- byteSwapX16(ctx->in);
- FLAC__MD5Transform(ctx->buf, ctx->in);
- buf += t;
- len -= t;
-
- /* Process data in 64-byte chunks */
- while (len >= 64) {
- memcpy(ctx->in, buf, 64);
- byteSwapX16(ctx->in);
- FLAC__MD5Transform(ctx->buf, ctx->in);
- buf += 64;
- len -= 64;
- }
-
- /* Handle any remaining bytes of data. */
- memcpy(ctx->in, buf, len);
-}
-
-/*
- * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
- * initialization constants.
- */
-void FLAC__MD5Init(FLAC__MD5Context *ctx)
-{
- ctx->buf[0] = 0x67452301;
- ctx->buf[1] = 0xefcdab89;
- ctx->buf[2] = 0x98badcfe;
- ctx->buf[3] = 0x10325476;
-
- ctx->bytes[0] = 0;
- ctx->bytes[1] = 0;
-
- ctx->internal_buf.p8 = 0;
- ctx->capacity = 0;
-}
-
-/*
- * Final wrapup - pad to 64-byte boundary with the bit pattern
- * 1 0* (64-bit count of bits processed, MSB-first)
- */
-void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *ctx)
-{
- int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */
- FLAC__byte *p = (FLAC__byte *)ctx->in + count;
-
- /* Set the first char of padding to 0x80. There is always room. */
- *p++ = 0x80;
-
- /* Bytes of padding needed to make 56 bytes (-8..55) */
- count = 56 - 1 - count;
-
- if (count < 0) { /* Padding forces an extra block */
- memset(p, 0, count + 8);
- byteSwapX16(ctx->in);
- FLAC__MD5Transform(ctx->buf, ctx->in);
- p = (FLAC__byte *)ctx->in;
- count = 56;
- }
- memset(p, 0, count);
- byteSwap(ctx->in, 14);
-
- /* Append length in bits and transform */
- ctx->in[14] = ctx->bytes[0] << 3;
- ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
- FLAC__MD5Transform(ctx->buf, ctx->in);
-
- byteSwap(ctx->buf, 4);
- memcpy(digest, ctx->buf, 16);
- if (0 != ctx->internal_buf.p8) {
- free(ctx->internal_buf.p8);
- ctx->internal_buf.p8 = 0;
- ctx->capacity = 0;
- }
- memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */
-}
-
-/*
- * Convert the incoming audio signal to a byte stream
- */
-static void format_input_(FLAC__multibyte *mbuf, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample)
-{
- FLAC__byte *buf_ = mbuf->p8;
- FLAC__int16 *buf16 = mbuf->p16;
- FLAC__int32 *buf32 = mbuf->p32;
- FLAC__int32 a_word;
- unsigned channel, sample;
-
- /* Storage in the output buffer, buf, is little endian. */
-
-#define BYTES_CHANNEL_SELECTOR(bytes, channels) (bytes * 100 + channels)
-
- /* First do the most commonly used combinations. */
- switch (BYTES_CHANNEL_SELECTOR (bytes_per_sample, channels)) {
- /* One byte per sample. */
- case (BYTES_CHANNEL_SELECTOR (1, 1)):
- for (sample = 0; sample < samples; sample++)
- *buf_++ = signal[0][sample];
- return;
-
- case (BYTES_CHANNEL_SELECTOR (1, 2)):
- for (sample = 0; sample < samples; sample++) {
- *buf_++ = signal[0][sample];
- *buf_++ = signal[1][sample];
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (1, 4)):
- for (sample = 0; sample < samples; sample++) {
- *buf_++ = signal[0][sample];
- *buf_++ = signal[1][sample];
- *buf_++ = signal[2][sample];
- *buf_++ = signal[3][sample];
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (1, 6)):
- for (sample = 0; sample < samples; sample++) {
- *buf_++ = signal[0][sample];
- *buf_++ = signal[1][sample];
- *buf_++ = signal[2][sample];
- *buf_++ = signal[3][sample];
- *buf_++ = signal[4][sample];
- *buf_++ = signal[5][sample];
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (1, 8)):
- for (sample = 0; sample < samples; sample++) {
- *buf_++ = signal[0][sample];
- *buf_++ = signal[1][sample];
- *buf_++ = signal[2][sample];
- *buf_++ = signal[3][sample];
- *buf_++ = signal[4][sample];
- *buf_++ = signal[5][sample];
- *buf_++ = signal[6][sample];
- *buf_++ = signal[7][sample];
- }
- return;
-
- /* Two bytes per sample. */
- case (BYTES_CHANNEL_SELECTOR (2, 1)):
- for (sample = 0; sample < samples; sample++)
- *buf16++ = H2LE_16(signal[0][sample]);
- return;
-
- case (BYTES_CHANNEL_SELECTOR (2, 2)):
- for (sample = 0; sample < samples; sample++) {
- *buf16++ = H2LE_16(signal[0][sample]);
- *buf16++ = H2LE_16(signal[1][sample]);
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (2, 4)):
- for (sample = 0; sample < samples; sample++) {
- *buf16++ = H2LE_16(signal[0][sample]);
- *buf16++ = H2LE_16(signal[1][sample]);
- *buf16++ = H2LE_16(signal[2][sample]);
- *buf16++ = H2LE_16(signal[3][sample]);
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (2, 6)):
- for (sample = 0; sample < samples; sample++) {
- *buf16++ = H2LE_16(signal[0][sample]);
- *buf16++ = H2LE_16(signal[1][sample]);
- *buf16++ = H2LE_16(signal[2][sample]);
- *buf16++ = H2LE_16(signal[3][sample]);
- *buf16++ = H2LE_16(signal[4][sample]);
- *buf16++ = H2LE_16(signal[5][sample]);
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (2, 8)):
- for (sample = 0; sample < samples; sample++) {
- *buf16++ = H2LE_16(signal[0][sample]);
- *buf16++ = H2LE_16(signal[1][sample]);
- *buf16++ = H2LE_16(signal[2][sample]);
- *buf16++ = H2LE_16(signal[3][sample]);
- *buf16++ = H2LE_16(signal[4][sample]);
- *buf16++ = H2LE_16(signal[5][sample]);
- *buf16++ = H2LE_16(signal[6][sample]);
- *buf16++ = H2LE_16(signal[7][sample]);
- }
- return;
-
- /* Three bytes per sample. */
- case (BYTES_CHANNEL_SELECTOR (3, 1)):
- for (sample = 0; sample < samples; sample++) {
- a_word = signal[0][sample];
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word;
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (3, 2)):
- for (sample = 0; sample < samples; sample++) {
- a_word = signal[0][sample];
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word;
- a_word = signal[1][sample];
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word;
- }
- return;
-
- /* Four bytes per sample. */
- case (BYTES_CHANNEL_SELECTOR (4, 1)):
- for (sample = 0; sample < samples; sample++)
- *buf32++ = H2LE_32(signal[0][sample]);
- return;
-
- case (BYTES_CHANNEL_SELECTOR (4, 2)):
- for (sample = 0; sample < samples; sample++) {
- *buf32++ = H2LE_32(signal[0][sample]);
- *buf32++ = H2LE_32(signal[1][sample]);
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (4, 4)):
- for (sample = 0; sample < samples; sample++) {
- *buf32++ = H2LE_32(signal[0][sample]);
- *buf32++ = H2LE_32(signal[1][sample]);
- *buf32++ = H2LE_32(signal[2][sample]);
- *buf32++ = H2LE_32(signal[3][sample]);
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (4, 6)):
- for (sample = 0; sample < samples; sample++) {
- *buf32++ = H2LE_32(signal[0][sample]);
- *buf32++ = H2LE_32(signal[1][sample]);
- *buf32++ = H2LE_32(signal[2][sample]);
- *buf32++ = H2LE_32(signal[3][sample]);
- *buf32++ = H2LE_32(signal[4][sample]);
- *buf32++ = H2LE_32(signal[5][sample]);
- }
- return;
-
- case (BYTES_CHANNEL_SELECTOR (4, 8)):
- for (sample = 0; sample < samples; sample++) {
- *buf32++ = H2LE_32(signal[0][sample]);
- *buf32++ = H2LE_32(signal[1][sample]);
- *buf32++ = H2LE_32(signal[2][sample]);
- *buf32++ = H2LE_32(signal[3][sample]);
- *buf32++ = H2LE_32(signal[4][sample]);
- *buf32++ = H2LE_32(signal[5][sample]);
- *buf32++ = H2LE_32(signal[6][sample]);
- *buf32++ = H2LE_32(signal[7][sample]);
- }
- return;
-
- default:
- break;
- }
-
- /* General version. */
- switch (bytes_per_sample) {
- case 1:
- for (sample = 0; sample < samples; sample++)
- for (channel = 0; channel < channels; channel++)
- *buf_++ = signal[channel][sample];
- return;
-
- case 2:
- for (sample = 0; sample < samples; sample++)
- for (channel = 0; channel < channels; channel++)
- *buf16++ = H2LE_16(signal[channel][sample]);
- return;
-
- case 3:
- for (sample = 0; sample < samples; sample++)
- for (channel = 0; channel < channels; channel++) {
- a_word = signal[channel][sample];
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word; a_word >>= 8;
- *buf_++ = (FLAC__byte)a_word;
- }
- return;
-
- case 4:
- for (sample = 0; sample < samples; sample++)
- for (channel = 0; channel < channels; channel++)
- *buf32++ = H2LE_32(signal[channel][sample]);
- return;
-
- default:
- break;
- }
-}
-
-/*
- * Convert the incoming audio signal to a byte stream and FLAC__MD5Update it.
- */
-FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample)
-{
- const size_t bytes_needed = (size_t)channels * (size_t)samples * (size_t)bytes_per_sample;
-
- /* overflow check */
- if ((size_t)channels > SIZE_MAX / (size_t)bytes_per_sample)
- return false;
- if ((size_t)channels * (size_t)bytes_per_sample > SIZE_MAX / (size_t)samples)
- return false;
-
- if (ctx->capacity < bytes_needed) {
- if (0 == (ctx->internal_buf.p8 = safe_realloc_(ctx->internal_buf.p8, bytes_needed))) {
- if (0 == (ctx->internal_buf.p8 = safe_malloc_(bytes_needed))) {
- ctx->capacity = 0;
- return false;
- }
- }
- ctx->capacity = bytes_needed;
- }
-
- format_input_(&ctx->internal_buf, signal, channels, samples, bytes_per_sample);
-
- FLAC__MD5Update(ctx, ctx->internal_buf.p8, bytes_needed);
-
- return true;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/memory.c b/deps/flac-1.3.2/src/libFLAC/memory.c
deleted file mode 100644
index a8ebd10..0000000
--- a/deps/flac-1.3.2/src/libFLAC/memory.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#endif
-
-#include "private/memory.h"
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-
-void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address)
-{
- void *x;
-
- FLAC__ASSERT(0 != aligned_address);
-
-#ifdef FLAC__ALIGN_MALLOC_DATA
- /* align on 32-byte (256-bit) boundary */
- x = safe_malloc_add_2op_(bytes, /*+*/31L);
- *aligned_address = (void*)(((uintptr_t)x + 31L) & -32L);
-#else
- x = safe_malloc_(bytes);
- *aligned_address = x;
-#endif
- return x;
-}
-
-FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer)
-{
- FLAC__int32 *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__int32 *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
-
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
-
- if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
- return false;
-
- pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
-}
-
-FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer)
-{
- FLAC__uint32 *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__uint32 *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
-
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
-
- if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
- return false;
-
- pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
-}
-
-FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer)
-{
- FLAC__uint64 *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__uint64 *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
-
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
-
- if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
- return false;
-
- pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
-}
-
-FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(size_t elements, unsigned **unaligned_pointer, unsigned **aligned_pointer)
-{
- unsigned *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- unsigned *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
-
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
-
- if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
- return false;
-
- pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
-}
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer)
-{
- FLAC__real *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__real *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
-
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
-
- if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
- return false;
-
- pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
-}
-
-#endif
-
-void *safe_malloc_mul_2op_p(size_t size1, size_t size2)
-{
- if(!size1 || !size2)
- return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
- if(size1 > SIZE_MAX / size2)
- return 0;
- return malloc(size1*size2);
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/metadata_iterators.c b/deps/flac-1.3.2/src/libFLAC/metadata_iterators.c
deleted file mode 100644
index 460b234..0000000
--- a/deps/flac-1.3.2/src/libFLAC/metadata_iterators.c
+++ /dev/null
@@ -1,3484 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-
-#include <sys/stat.h> /* for stat(), maybe chmod() */
-
-#include "private/metadata.h"
-
-#include "FLAC/assert.h"
-#include "FLAC/stream_decoder.h"
-#include "share/alloc.h"
-#include "share/compat.h"
-#include "share/macros.h"
-#include "share/safe_str.h"
-#include "private/macros.h"
-#include "private/memory.h"
-
-/* Alias the first (in share/alloc.h) to the second (in src/libFLAC/memory.c). */
-#define safe_malloc_mul_2op_ safe_malloc_mul_2op_p
-
-/****************************************************************************
- *
- * Local function declarations
- *
- ***************************************************************************/
-
-static void pack_uint32_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes);
-static void pack_uint32_little_endian_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes);
-static void pack_uint64_(FLAC__uint64 val, FLAC__byte *b, unsigned bytes);
-static FLAC__uint32 unpack_uint32_(FLAC__byte *b, unsigned bytes);
-static FLAC__uint32 unpack_uint32_little_endian_(FLAC__byte *b, unsigned bytes);
-static FLAC__uint64 unpack_uint64_(FLAC__byte *b, unsigned bytes);
-
-static FLAC__bool read_metadata_block_header_(FLAC__Metadata_SimpleIterator *iterator);
-static FLAC__bool read_metadata_block_data_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block);
-static FLAC__bool read_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__bool *is_last, FLAC__MetadataType *type, unsigned *length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_StreamInfo *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_Padding *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Application *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_SeekTable *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_entry_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment_Entry *entry, unsigned max_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_VorbisComment *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet_Track *track);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Picture *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Unknown *block, unsigned block_length);
-
-static FLAC__bool write_metadata_block_header_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_data_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_StreamInfo *block);
-static FLAC__bool write_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Padding *block, unsigned block_length);
-static FLAC__bool write_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Application *block, unsigned block_length);
-static FLAC__bool write_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_SeekTable *block);
-static FLAC__bool write_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_VorbisComment *block);
-static FLAC__bool write_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_CueSheet *block);
-static FLAC__bool write_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Picture *block);
-static FLAC__bool write_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Unknown *block, unsigned block_length);
-
-static FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_stationary_with_padding_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, unsigned padding_length, FLAC__bool padding_is_last);
-static FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append);
-
-static void simple_iterator_push_(FLAC__Metadata_SimpleIterator *iterator);
-static FLAC__bool simple_iterator_pop_(FLAC__Metadata_SimpleIterator *iterator);
-
-static unsigned seek_to_first_metadata_block_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb);
-static unsigned seek_to_first_metadata_block_(FILE *f);
-
-static FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append);
-static FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, FLAC__off_t fixup_is_last_flag_offset, FLAC__bool backup);
-
-static FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status);
-
-static FLAC__bool open_tempfile_(const char *filename, const char *tempfile_path_prefix, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status);
-static void cleanup_tempfile_(FILE **tempfile, char **tempfilename);
-
-static FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats);
-static void set_file_stats_(const char *filename, struct flac_stat_s *stats);
-
-static int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence);
-static FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle);
-
-static FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status);
-
-
-#ifdef FLAC__VALGRIND_TESTING
-static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
-{
- size_t ret = fwrite(ptr, size, nmemb, stream);
- if(!ferror(stream))
- fflush(stream);
- return ret;
-}
-#else
-#define local__fwrite fwrite
-#endif
-
-/****************************************************************************
- *
- * Level 0 implementation
- *
- ***************************************************************************/
-
-static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
-static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
-static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
-
-typedef struct {
- FLAC__bool got_error;
- FLAC__StreamMetadata *object;
-} level0_client_data;
-
-static FLAC__StreamMetadata *get_one_metadata_block_(const char *filename, FLAC__MetadataType type)
-{
- level0_client_data cd;
- FLAC__StreamDecoder *decoder;
-
- FLAC__ASSERT(0 != filename);
-
- cd.got_error = false;
- cd.object = 0;
-
- decoder = FLAC__stream_decoder_new();
-
- if(0 == decoder)
- return 0;
-
- FLAC__stream_decoder_set_md5_checking(decoder, false);
- FLAC__stream_decoder_set_metadata_ignore_all(decoder);
- FLAC__stream_decoder_set_metadata_respond(decoder, type);
-
- if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &cd) != FLAC__STREAM_DECODER_INIT_STATUS_OK || cd.got_error) {
- (void)FLAC__stream_decoder_finish(decoder);
- FLAC__stream_decoder_delete(decoder);
- return 0;
- }
-
- if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder) || cd.got_error) {
- (void)FLAC__stream_decoder_finish(decoder);
- FLAC__stream_decoder_delete(decoder);
- if(0 != cd.object)
- FLAC__metadata_object_delete(cd.object);
- return 0;
- }
-
- (void)FLAC__stream_decoder_finish(decoder);
- FLAC__stream_decoder_delete(decoder);
-
- return cd.object;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_streaminfo(const char *filename, FLAC__StreamMetadata *streaminfo)
-{
- FLAC__StreamMetadata *object;
-
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != streaminfo);
-
- object = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_STREAMINFO);
-
- if (object) {
- /* can just copy the contents since STREAMINFO has no internal structure */
- *streaminfo = *object;
- FLAC__metadata_object_delete(object);
- return true;
- }
- else {
- return false;
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_tags(const char *filename, FLAC__StreamMetadata **tags)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != tags);
-
- *tags = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- return 0 != *tags;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_cuesheet(const char *filename, FLAC__StreamMetadata **cuesheet)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != cuesheet);
-
- *cuesheet = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_CUESHEET);
-
- return 0 != *cuesheet;
-}
-
-FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
-{
- (void)decoder, (void)frame, (void)buffer, (void)client_data;
-
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-}
-
-void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
-{
- level0_client_data *cd = (level0_client_data *)client_data;
- (void)decoder;
-
- /*
- * we assume we only get here when the one metadata block we were
- * looking for was passed to us
- */
- if(!cd->got_error && 0 == cd->object) {
- if(0 == (cd->object = FLAC__metadata_object_clone(metadata)))
- cd->got_error = true;
- }
-}
-
-void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
- level0_client_data *cd = (level0_client_data *)client_data;
- (void)decoder;
-
- if(status != FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC)
- cd->got_error = true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_picture(const char *filename, FLAC__StreamMetadata **picture, FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, unsigned max_width, unsigned max_height, unsigned max_depth, unsigned max_colors)
-{
- FLAC__Metadata_SimpleIterator *it;
- FLAC__uint64 max_area_seen = 0;
- FLAC__uint64 max_depth_seen = 0;
-
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != picture);
-
- *picture = 0;
-
- it = FLAC__metadata_simple_iterator_new();
- if(0 == it)
- return false;
- if(!FLAC__metadata_simple_iterator_init(it, filename, /*read_only=*/true, /*preserve_file_stats=*/true)) {
- FLAC__metadata_simple_iterator_delete(it);
- return false;
- }
- do {
- if(FLAC__metadata_simple_iterator_get_block_type(it) == FLAC__METADATA_TYPE_PICTURE) {
- FLAC__StreamMetadata *obj = FLAC__metadata_simple_iterator_get_block(it);
- FLAC__uint64 area = (FLAC__uint64)obj->data.picture.width * (FLAC__uint64)obj->data.picture.height;
- /* check constraints */
- if(
- (type == (FLAC__StreamMetadata_Picture_Type)(-1) || type == obj->data.picture.type) &&
- (mime_type == 0 || !strcmp(mime_type, obj->data.picture.mime_type)) &&
- (description == 0 || !strcmp((const char *)description, (const char *)obj->data.picture.description)) &&
- obj->data.picture.width <= max_width &&
- obj->data.picture.height <= max_height &&
- obj->data.picture.depth <= max_depth &&
- obj->data.picture.colors <= max_colors &&
- (area > max_area_seen || (area == max_area_seen && obj->data.picture.depth > max_depth_seen))
- ) {
- if(*picture)
- FLAC__metadata_object_delete(*picture);
- *picture = obj;
- max_area_seen = area;
- max_depth_seen = obj->data.picture.depth;
- }
- else {
- FLAC__metadata_object_delete(obj);
- }
- }
- } while(FLAC__metadata_simple_iterator_next(it));
-
- FLAC__metadata_simple_iterator_delete(it);
-
- return (0 != *picture);
-}
-
-
-/****************************************************************************
- *
- * Level 1 implementation
- *
- ***************************************************************************/
-
-#define SIMPLE_ITERATOR_MAX_PUSH_DEPTH (1+4)
-/* 1 for initial offset, +4 for our own personal use */
-
-struct FLAC__Metadata_SimpleIterator {
- FILE *file;
- char *filename, *tempfile_path_prefix;
- struct flac_stat_s stats;
- FLAC__bool has_stats;
- FLAC__bool is_writable;
- FLAC__Metadata_SimpleIteratorStatus status;
- FLAC__off_t offset[SIMPLE_ITERATOR_MAX_PUSH_DEPTH];
- FLAC__off_t first_offset; /* this is the offset to the STREAMINFO block */
- unsigned depth;
- /* this is the metadata block header of the current block we are pointing to: */
- FLAC__bool is_last;
- FLAC__MetadataType type;
- unsigned length;
-};
-
-FLAC_API const char * const FLAC__Metadata_SimpleIteratorStatusString[] = {
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_INTERNAL_ERROR"
-};
-
-
-FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new(void)
-{
- FLAC__Metadata_SimpleIterator *iterator = calloc(1, sizeof(FLAC__Metadata_SimpleIterator));
-
- if(0 != iterator) {
- iterator->file = 0;
- iterator->filename = 0;
- iterator->tempfile_path_prefix = 0;
- iterator->has_stats = false;
- iterator->is_writable = false;
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
- iterator->first_offset = iterator->offset[0] = -1;
- iterator->depth = 0;
- }
-
- return iterator;
-}
-
-static void simple_iterator_free_guts_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- if(0 != iterator->file) {
- fclose(iterator->file);
- iterator->file = 0;
- if(iterator->has_stats)
- set_file_stats_(iterator->filename, &iterator->stats);
- }
- if(0 != iterator->filename) {
- free(iterator->filename);
- iterator->filename = 0;
- }
- if(0 != iterator->tempfile_path_prefix) {
- free(iterator->tempfile_path_prefix);
- iterator->tempfile_path_prefix = 0;
- }
-}
-
-FLAC_API void FLAC__metadata_simple_iterator_delete(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- simple_iterator_free_guts_(iterator);
- free(iterator);
-}
-
-FLAC_API FLAC__Metadata_SimpleIteratorStatus FLAC__metadata_simple_iterator_status(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__Metadata_SimpleIteratorStatus status;
-
- FLAC__ASSERT(0 != iterator);
-
- status = iterator->status;
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
- return status;
-}
-
-static FLAC__bool simple_iterator_prime_input_(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool read_only)
-{
- unsigned ret;
-
- FLAC__ASSERT(0 != iterator);
-
- if(read_only || 0 == (iterator->file = flac_fopen(iterator->filename, "r+b"))) {
- iterator->is_writable = false;
- if(read_only || errno == EACCES) {
- if(0 == (iterator->file = flac_fopen(iterator->filename, "rb"))) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE;
- return false;
- }
- }
- else {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE;
- return false;
- }
- }
- else {
- iterator->is_writable = true;
- }
-
- ret = seek_to_first_metadata_block_(iterator->file);
- switch(ret) {
- case 0:
- iterator->depth = 0;
- iterator->first_offset = iterator->offset[iterator->depth] = ftello(iterator->file);
- return read_metadata_block_header_(iterator);
- case 1:
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- case 2:
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- case 3:
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE;
- return false;
- default:
- FLAC__ASSERT(0);
- return false;
- }
-}
-
-#if 0
-@@@ If we decide to finish implementing this, put this comment back in metadata.h
-/*
- * The 'tempfile_path_prefix' allows you to specify a directory where
- * tempfiles should go. Remember that if your metadata edits cause the
- * FLAC file to grow, the entire file will have to be rewritten. If
- * 'tempfile_path_prefix' is NULL, the temp file will be written in the
- * same directory as the original FLAC file. This makes replacing the
- * original with the tempfile fast but requires extra space in the same
- * partition for the tempfile. If space is a problem, you can pass a
- * directory name belonging to a different partition in
- * 'tempfile_path_prefix'. Note that you should use the forward slash
- * '/' as the directory separator. A trailing slash is not needed; it
- * will be added automatically.
- */
-FLAC__bool FLAC__metadata_simple_iterator_init(FLAC__Metadata_SimpleIterator *iterator, const char *filename, FLAC__bool preserve_file_stats, const char *tempfile_path_prefix);
-#endif
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_init(FLAC__Metadata_SimpleIterator *iterator, const char *filename, FLAC__bool read_only, FLAC__bool preserve_file_stats)
-{
- const char *tempfile_path_prefix = 0; /*@@@ search for comments near 'flac_rename(...)' for what it will take to finish implementing this */
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != filename);
-
- simple_iterator_free_guts_(iterator);
-
- if(!read_only && preserve_file_stats)
- iterator->has_stats = get_file_stats_(filename, &iterator->stats);
-
- if(0 == (iterator->filename = strdup(filename))) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- if(0 != tempfile_path_prefix && 0 == (iterator->tempfile_path_prefix = strdup(tempfile_path_prefix))) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- return simple_iterator_prime_input_(iterator, read_only);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_writable(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->is_writable;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_next(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(iterator->is_last)
- return false;
-
- if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- iterator->offset[iterator->depth] = ftello(iterator->file);
-
- return read_metadata_block_header_(iterator);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_prev(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__off_t this_offset;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(iterator->offset[iterator->depth] == iterator->first_offset)
- return false;
-
- if(0 != fseeko(iterator->file, iterator->first_offset, SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- this_offset = iterator->first_offset;
- if(!read_metadata_block_header_(iterator))
- return false;
-
- /* we ignore any error from ftello() and catch it in fseeko() */
- while(ftello(iterator->file) + (FLAC__off_t)iterator->length < iterator->offset[iterator->depth]) {
- if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- this_offset = ftello(iterator->file);
- if(!read_metadata_block_header_(iterator))
- return false;
- }
-
- iterator->offset[iterator->depth] = this_offset;
-
- return true;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_last(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->is_last;
-}
-
-/*@@@@add to tests*/
-FLAC_API off_t FLAC__metadata_simple_iterator_get_block_offset(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->offset[iterator->depth];
-}
-
-FLAC_API FLAC__MetadataType FLAC__metadata_simple_iterator_get_block_type(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->type;
-}
-
-/*@@@@add to tests*/
-FLAC_API unsigned FLAC__metadata_simple_iterator_get_block_length(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->length;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_get_application_id(FLAC__Metadata_SimpleIterator *iterator, FLAC__byte *id)
-{
- const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
- FLAC__ASSERT(0 != id);
-
- if(iterator->type != FLAC__METADATA_TYPE_APPLICATION) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
-
- if(fread(id, 1, id_bytes, iterator->file) != id_bytes) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
-
- /* back up */
- if(0 != fseeko(iterator->file, -((int)id_bytes), SEEK_CUR)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_simple_iterator_get_block(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__StreamMetadata *block = FLAC__metadata_object_new(iterator->type);
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(0 != block) {
- block->is_last = iterator->is_last;
- block->length = iterator->length;
-
- if(!read_metadata_block_data_(iterator, block)) {
- FLAC__metadata_object_delete(block);
- return 0;
- }
-
- /* back up to the beginning of the block data to stay consistent */
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH, SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- FLAC__metadata_object_delete(block);
- return 0;
- }
- }
- else
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- return block;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_set_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding)
-{
- FLAC__ASSERT_DECLARATION(FLAC__off_t debug_target_offset = iterator->offset[iterator->depth];)
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
- FLAC__ASSERT(0 != block);
-
- if(!iterator->is_writable) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE;
- return false;
- }
-
- if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO || block->type == FLAC__METADATA_TYPE_STREAMINFO) {
- if(iterator->type != block->type) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
- }
-
- block->is_last = iterator->is_last;
-
- if(iterator->length == block->length)
- return write_metadata_block_stationary_(iterator, block);
- else if(iterator->length > block->length) {
- if(use_padding && iterator->length >= FLAC__STREAM_METADATA_HEADER_LENGTH + block->length) {
- ret = write_metadata_block_stationary_with_padding_(iterator, block, iterator->length - FLAC__STREAM_METADATA_HEADER_LENGTH - block->length, block->is_last);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- else {
- ret = rewrite_whole_file_(iterator, block, /*append=*/false);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
- else /* iterator->length < block->length */ {
- unsigned padding_leftover = 0;
- FLAC__bool padding_is_last = false;
- if(use_padding) {
- /* first see if we can even use padding */
- if(iterator->is_last) {
- use_padding = false;
- }
- else {
- const unsigned extra_padding_bytes_required = block->length - iterator->length;
- simple_iterator_push_(iterator);
- if(!FLAC__metadata_simple_iterator_next(iterator)) {
- (void)simple_iterator_pop_(iterator);
- return false;
- }
- if(iterator->type != FLAC__METADATA_TYPE_PADDING) {
- use_padding = false;
- }
- else {
- if(FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length == extra_padding_bytes_required) {
- padding_leftover = 0;
- block->is_last = iterator->is_last;
- }
- else if(iterator->length < extra_padding_bytes_required)
- use_padding = false;
- else {
- padding_leftover = FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length - extra_padding_bytes_required;
- padding_is_last = iterator->is_last;
- block->is_last = false;
- }
- }
- if(!simple_iterator_pop_(iterator))
- return false;
- }
- }
- if(use_padding) {
- if(padding_leftover == 0) {
- ret = write_metadata_block_stationary_(iterator, block);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- else {
- FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH);
- ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
- else {
- ret = rewrite_whole_file_(iterator, block, /*append=*/false);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_insert_block_after(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding)
-{
- unsigned padding_leftover = 0;
- FLAC__bool padding_is_last = false;
-
- FLAC__ASSERT_DECLARATION(FLAC__off_t debug_target_offset = iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length;)
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
- FLAC__ASSERT(0 != block);
-
- if(!iterator->is_writable) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE;
- return false;
- }
-
- if(block->type == FLAC__METADATA_TYPE_STREAMINFO) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
-
- block->is_last = iterator->is_last;
-
- if(use_padding) {
- /* first see if we can even use padding */
- if(iterator->is_last) {
- use_padding = false;
- }
- else {
- simple_iterator_push_(iterator);
- if(!FLAC__metadata_simple_iterator_next(iterator)) {
- (void)simple_iterator_pop_(iterator);
- return false;
- }
- if(iterator->type != FLAC__METADATA_TYPE_PADDING) {
- use_padding = false;
- }
- else {
- if(iterator->length == block->length) {
- padding_leftover = 0;
- block->is_last = iterator->is_last;
- }
- else if(iterator->length < FLAC__STREAM_METADATA_HEADER_LENGTH + block->length)
- use_padding = false;
- else {
- padding_leftover = iterator->length - block->length;
- padding_is_last = iterator->is_last;
- block->is_last = false;
- }
- }
- if(!simple_iterator_pop_(iterator))
- return false;
- }
- }
- if(use_padding) {
- /* move to the next block, which is suitable padding */
- if(!FLAC__metadata_simple_iterator_next(iterator))
- return false;
- if(padding_leftover == 0) {
- ret = write_metadata_block_stationary_(iterator, block);
- FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- else {
- FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH);
- ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last);
- FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
- else {
- ret = rewrite_whole_file_(iterator, block, /*append=*/true);
- FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_delete_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool use_padding)
-{
- FLAC__ASSERT_DECLARATION(FLAC__off_t debug_target_offset = iterator->offset[iterator->depth];)
- FLAC__bool ret;
-
- if(!iterator->is_writable) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE;
- return false;
- }
-
- if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
-
- if(use_padding) {
- FLAC__StreamMetadata *padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
- if(0 == padding) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- padding->length = iterator->length;
- if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) {
- FLAC__metadata_object_delete(padding);
- return false;
- }
- FLAC__metadata_object_delete(padding);
- if(!FLAC__metadata_simple_iterator_prev(iterator))
- return false;
- FLAC__ASSERT(iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) + (FLAC__off_t)iterator->length == debug_target_offset);
- return true;
- }
- else {
- ret = rewrite_whole_file_(iterator, 0, /*append=*/false);
- FLAC__ASSERT(iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) + (FLAC__off_t)iterator->length == debug_target_offset);
- return ret;
- }
-}
-
-
-
-/****************************************************************************
- *
- * Level 2 implementation
- *
- ***************************************************************************/
-
-
-typedef struct FLAC__Metadata_Node {
- FLAC__StreamMetadata *data;
- struct FLAC__Metadata_Node *prev, *next;
-} FLAC__Metadata_Node;
-
-struct FLAC__Metadata_Chain {
- char *filename; /* will be NULL if using callbacks */
- FLAC__bool is_ogg;
- FLAC__Metadata_Node *head;
- FLAC__Metadata_Node *tail;
- unsigned nodes;
- FLAC__Metadata_ChainStatus status;
- FLAC__off_t first_offset, last_offset;
- /*
- * This is the length of the chain initially read from the FLAC file.
- * it is used to compare against the current length to decide whether
- * or not the whole file has to be rewritten.
- */
- FLAC__off_t initial_length;
- /* @@@ hacky, these are currently only needed by ogg reader */
- FLAC__IOHandle handle;
- FLAC__IOCallback_Read read_cb;
-};
-
-struct FLAC__Metadata_Iterator {
- FLAC__Metadata_Chain *chain;
- FLAC__Metadata_Node *current;
-};
-
-FLAC_API const char * const FLAC__Metadata_ChainStatusString[] = {
- "FLAC__METADATA_CHAIN_STATUS_OK",
- "FLAC__METADATA_CHAIN_STATUS_ILLEGAL_INPUT",
- "FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE",
- "FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE",
- "FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE",
- "FLAC__METADATA_CHAIN_STATUS_BAD_METADATA",
- "FLAC__METADATA_CHAIN_STATUS_READ_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_RENAME_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS",
- "FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH",
- "FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL"
-};
-
-
-static FLAC__Metadata_Node *node_new_(void)
-{
- return calloc(1, sizeof(FLAC__Metadata_Node));
-}
-
-static void node_delete_(FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != node);
- if(0 != node->data)
- FLAC__metadata_object_delete(node->data);
- free(node);
-}
-
-static void chain_init_(FLAC__Metadata_Chain *chain)
-{
- FLAC__ASSERT(0 != chain);
-
- chain->filename = 0;
- chain->is_ogg = false;
- chain->head = chain->tail = 0;
- chain->nodes = 0;
- chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
- chain->initial_length = 0;
- chain->read_cb = 0;
-}
-
-static void chain_clear_(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_Node *node, *next;
-
- FLAC__ASSERT(0 != chain);
-
- for(node = chain->head; node; ) {
- next = node->next;
- node_delete_(node);
- node = next;
- }
-
- if(0 != chain->filename)
- free(chain->filename);
-
- chain_init_(chain);
-}
-
-static void chain_append_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != node);
- FLAC__ASSERT(0 != node->data);
-
- node->next = node->prev = 0;
- node->data->is_last = true;
- if(0 != chain->tail)
- chain->tail->data->is_last = false;
-
- if(0 == chain->head)
- chain->head = node;
- else {
- FLAC__ASSERT(0 != chain->tail);
- chain->tail->next = node;
- node->prev = chain->tail;
- }
- chain->tail = node;
- chain->nodes++;
-}
-
-static void chain_remove_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != node);
-
- if(node == chain->head)
- chain->head = node->next;
- else
- node->prev->next = node->next;
-
- if(node == chain->tail)
- chain->tail = node->prev;
- else
- node->next->prev = node->prev;
-
- if(0 != chain->tail)
- chain->tail->data->is_last = true;
-
- chain->nodes--;
-}
-
-static void chain_delete_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- chain_remove_node_(chain, node);
- node_delete_(node);
-}
-
-static FLAC__off_t chain_calculate_length_(FLAC__Metadata_Chain *chain)
-{
- const FLAC__Metadata_Node *node;
- FLAC__off_t length = 0;
- for(node = chain->head; node; node = node->next)
- length += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
- return length;
-}
-
-static void iterator_insert_node_(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != node);
- FLAC__ASSERT(0 != node->data);
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != iterator->chain);
- FLAC__ASSERT(0 != iterator->chain->head);
- FLAC__ASSERT(0 != iterator->chain->tail);
-
- node->data->is_last = false;
-
- node->prev = iterator->current->prev;
- node->next = iterator->current;
-
- if(0 == node->prev)
- iterator->chain->head = node;
- else
- node->prev->next = node;
-
- iterator->current->prev = node;
-
- iterator->chain->nodes++;
-}
-
-static void iterator_insert_node_after_(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != node);
- FLAC__ASSERT(0 != node->data);
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != iterator->chain);
- FLAC__ASSERT(0 != iterator->chain->head);
- FLAC__ASSERT(0 != iterator->chain->tail);
-
- iterator->current->data->is_last = false;
-
- node->prev = iterator->current;
- node->next = iterator->current->next;
-
- if(0 == node->next)
- iterator->chain->tail = node;
- else
- node->next->prev = node;
-
- node->prev->next = node;
-
- iterator->chain->tail->data->is_last = true;
-
- iterator->chain->nodes++;
-}
-
-/* return true iff node and node->next are both padding */
-static FLAC__bool chain_merge_adjacent_padding_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- if(node->data->type == FLAC__METADATA_TYPE_PADDING && 0 != node->next && node->next->data->type == FLAC__METADATA_TYPE_PADDING) {
- const unsigned growth = FLAC__STREAM_METADATA_HEADER_LENGTH + node->next->data->length;
- node->data->length += growth; /* new block size can be greater than max metadata block size, but it'll be fixed later in chain_prepare_for_write_() */
-
- chain_delete_node_(chain, node->next);
- return true;
- }
- else
- return false;
-}
-
-/* Returns the new length of the chain, or 0 if there was an error. */
-/* WATCHOUT: This can get called multiple times before a write, so
- * it should still work when this happens.
- */
-/* WATCHOUT: Make sure to also update the logic in
- * FLAC__metadata_chain_check_if_tempfile_needed() if the logic here changes.
- */
-static FLAC__off_t chain_prepare_for_write_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
-{
- FLAC__off_t current_length = chain_calculate_length_(chain);
-
- if(use_padding) {
- /* if the metadata shrank and the last block is padding, we just extend the last padding block */
- if(current_length < chain->initial_length && chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
- const FLAC__off_t delta = chain->initial_length - current_length;
- chain->tail->data->length += delta;
- current_length += delta;
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- /* if the metadata shrank more than 4 bytes then there's room to add another padding block */
- else if(current_length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) {
- FLAC__StreamMetadata *padding;
- FLAC__Metadata_Node *node;
- if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
- padding->length = chain->initial_length - (FLAC__STREAM_METADATA_HEADER_LENGTH + current_length);
- if(0 == (node = node_new_())) {
- FLAC__metadata_object_delete(padding);
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
- node->data = padding;
- chain_append_node_(chain, node);
- current_length = chain_calculate_length_(chain);
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- /* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */
- else if(current_length > chain->initial_length) {
- const FLAC__off_t delta = current_length - chain->initial_length;
- if(chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
- /* if the delta is exactly the size of the last padding block, remove the padding block */
- if((FLAC__off_t)chain->tail->data->length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta) {
- chain_delete_node_(chain, chain->tail);
- current_length = chain_calculate_length_(chain);
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- /* if there is at least 'delta' bytes of padding, trim the padding down */
- else if((FLAC__off_t)chain->tail->data->length >= delta) {
- chain->tail->data->length -= delta;
- current_length -= delta;
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- }
- }
- }
-
- /* check sizes of all metadata blocks; reduce padding size if necessary */
- {
- FLAC__Metadata_Node *node;
- for (node = chain->head; node; node = node->next) {
- if(node->data->length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) {
- if(node->data->type == FLAC__METADATA_TYPE_PADDING) {
- node->data->length = (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1;
- current_length = chain_calculate_length_(chain);
- } else {
- chain->status = FLAC__METADATA_CHAIN_STATUS_BAD_METADATA;
- return 0;
- }
- }
- }
- }
-
- return current_length;
-}
-
-static FLAC__bool chain_read_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__IOCallback_Tell tell_cb)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
-
- /* we assume we're already at the beginning of the file */
-
- switch(seek_to_first_metadata_block_cb_(handle, read_cb, seek_cb)) {
- case 0:
- break;
- case 1:
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- case 2:
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- case 3:
- chain->status = FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE;
- return false;
- default:
- FLAC__ASSERT(0);
- return false;
- }
-
- {
- FLAC__int64 pos = tell_cb(handle);
- if(pos < 0) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- }
- chain->first_offset = (FLAC__off_t)pos;
- }
-
- {
- FLAC__bool is_last;
- FLAC__MetadataType type;
- unsigned length;
-
- do {
- node = node_new_();
- if(0 == node) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- if(!read_metadata_block_header_cb_(handle, read_cb, &is_last, &type, &length)) {
- node_delete_(node);
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- }
-
- node->data = FLAC__metadata_object_new(type);
- if(0 == node->data) {
- node_delete_(node);
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- node->data->is_last = is_last;
- node->data->length = length;
-
- chain->status = get_equivalent_status_(read_metadata_block_data_cb_(handle, read_cb, seek_cb, node->data));
- if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) {
- node_delete_(node);
- return false;
- }
- chain_append_node_(chain, node);
- } while(!is_last);
- }
-
- {
- FLAC__int64 pos = tell_cb(handle);
- if(pos < 0) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- }
- chain->last_offset = (FLAC__off_t)pos;
- }
-
- chain->initial_length = chain_calculate_length_(chain);
-
- return true;
-}
-
-static FLAC__StreamDecoderReadStatus chain_read_ogg_read_cb_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
- (void)decoder;
- if(*bytes > 0 && chain->status == FLAC__METADATA_CHAIN_STATUS_OK) {
- *bytes = chain->read_cb(buffer, sizeof(FLAC__byte), *bytes, chain->handle);
- if(*bytes == 0)
- return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
- else
- return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
- }
- else
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
-}
-
-static FLAC__StreamDecoderWriteStatus chain_read_ogg_write_cb_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
-{
- (void)decoder, (void)frame, (void)buffer, (void)client_data;
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-}
-
-static void chain_read_ogg_metadata_cb_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
- FLAC__Metadata_Node *node;
-
- (void)decoder;
-
- node = node_new_();
- if(0 == node) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return;
- }
-
- node->data = FLAC__metadata_object_clone(metadata);
- if(0 == node->data) {
- node_delete_(node);
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return;
- }
-
- chain_append_node_(chain, node);
-}
-
-static void chain_read_ogg_error_cb_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
- (void)decoder, (void)status;
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
-}
-
-static FLAC__bool chain_read_ogg_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb)
-{
- FLAC__StreamDecoder *decoder;
-
- FLAC__ASSERT(0 != chain);
-
- /* we assume we're already at the beginning of the file */
-
- chain->handle = handle;
- chain->read_cb = read_cb;
- if(0 == (decoder = FLAC__stream_decoder_new())) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- FLAC__stream_decoder_set_metadata_respond_all(decoder);
- if(FLAC__stream_decoder_init_ogg_stream(decoder, chain_read_ogg_read_cb_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, chain_read_ogg_write_cb_, chain_read_ogg_metadata_cb_, chain_read_ogg_error_cb_, chain) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
- FLAC__stream_decoder_delete(decoder);
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
- return false;
- }
-
- chain->first_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */
-
- if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder))
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
- if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) {
- FLAC__stream_decoder_delete(decoder);
- return false;
- }
-
- FLAC__stream_decoder_delete(decoder);
-
- chain->last_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */
-
- chain->initial_length = chain_calculate_length_(chain);
-
- return true;
-}
-
-static FLAC__bool chain_rewrite_metadata_in_place_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, FLAC__IOCallback_Seek seek_cb)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != chain->head);
-
- if(0 != seek_cb(handle, chain->first_offset, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
-
- for(node = chain->head; node; node = node->next) {
- if(!write_metadata_block_header_cb_(handle, write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- if(!write_metadata_block_data_cb_(handle, write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
-
- chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
- return true;
-}
-
-static FLAC__bool chain_rewrite_metadata_in_place_(FLAC__Metadata_Chain *chain)
-{
- FILE *file;
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != chain->filename);
-
- if(0 == (file = flac_fopen(chain->filename, "r+b"))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- return false;
- }
-
- /* chain_rewrite_metadata_in_place_cb_() sets chain->status for us */
- ret = chain_rewrite_metadata_in_place_cb_(chain, (FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, fseek_wrapper_);
-
- fclose(file);
-
- return ret;
-}
-
-static FLAC__bool chain_rewrite_file_(FLAC__Metadata_Chain *chain, const char *tempfile_path_prefix)
-{
- FILE *f, *tempfile = NULL;
- char *tempfilename;
- FLAC__Metadata_SimpleIteratorStatus status;
- const FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != chain->filename);
- FLAC__ASSERT(0 != chain->head);
-
- /* copy the file prefix (data up to first metadata block */
- if(0 == (f = flac_fopen(chain->filename, "rb"))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- return false;
- }
- if(!open_tempfile_(chain->filename, tempfile_path_prefix, &tempfile, &tempfilename, &status)) {
- chain->status = get_equivalent_status_(status);
- goto err;
- }
- if(!copy_n_bytes_from_file_(f, tempfile, chain->first_offset, &status)) {
- chain->status = get_equivalent_status_(status);
- goto err;
- }
-
- /* write the metadata */
- for(node = chain->head; node; node = node->next) {
- if(!write_metadata_block_header_(tempfile, &status, node->data)) {
- chain->status = get_equivalent_status_(status);
- goto err;
- }
- if(!write_metadata_block_data_(tempfile, &status, node->data)) {
- chain->status = get_equivalent_status_(status);
- goto err;
- }
- }
- /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
-
- /* copy the file postfix (everything after the metadata) */
- if(0 != fseeko(f, chain->last_offset, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- goto err;
- }
- if(!copy_remaining_bytes_from_file_(f, tempfile, &status)) {
- chain->status = get_equivalent_status_(status);
- goto err;
- }
-
- /* move the tempfile on top of the original */
- (void)fclose(f);
- if(!transport_tempfile_(chain->filename, &tempfile, &tempfilename, &status))
- return false;
-
- return true;
-
-err:
- (void)fclose(f);
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
-}
-
-/* assumes 'handle' is already at beginning of file */
-static FLAC__bool chain_rewrite_file_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb)
-{
- FLAC__Metadata_SimpleIteratorStatus status;
- const FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 == chain->filename);
- FLAC__ASSERT(0 != chain->head);
-
- /* copy the file prefix (data up to first metadata block */
- if(!copy_n_bytes_from_file_cb_(handle, read_cb, temp_handle, temp_write_cb, chain->first_offset, &status)) {
- chain->status = get_equivalent_status_(status);
- return false;
- }
-
- /* write the metadata */
- for(node = chain->head; node; node = node->next) {
- if(!write_metadata_block_header_cb_(temp_handle, temp_write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- if(!write_metadata_block_data_cb_(temp_handle, temp_write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- }
- /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
-
- /* copy the file postfix (everything after the metadata) */
- if(0 != seek_cb(handle, chain->last_offset, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
- if(!copy_remaining_bytes_from_file_cb_(handle, read_cb, eof_cb, temp_handle, temp_write_cb, &status)) {
- chain->status = get_equivalent_status_(status);
- return false;
- }
-
- return true;
-}
-
-FLAC_API FLAC__Metadata_Chain *FLAC__metadata_chain_new(void)
-{
- FLAC__Metadata_Chain *chain = calloc(1, sizeof(FLAC__Metadata_Chain));
-
- if(0 != chain)
- chain_init_(chain);
-
- return chain;
-}
-
-FLAC_API void FLAC__metadata_chain_delete(FLAC__Metadata_Chain *chain)
-{
- FLAC__ASSERT(0 != chain);
-
- chain_clear_(chain);
-
- free(chain);
-}
-
-FLAC_API FLAC__Metadata_ChainStatus FLAC__metadata_chain_status(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_ChainStatus status;
-
- FLAC__ASSERT(0 != chain);
-
- status = chain->status;
- chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
- return status;
-}
-
-static FLAC__bool chain_read_(FLAC__Metadata_Chain *chain, const char *filename, FLAC__bool is_ogg)
-{
- FILE *file;
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != filename);
-
- chain_clear_(chain);
-
- if(0 == (chain->filename = strdup(filename))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- chain->is_ogg = is_ogg;
-
- if(0 == (file = flac_fopen(filename, "rb"))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- return false;
- }
-
- /* the function also sets chain->status for us */
- ret = is_ogg?
- chain_read_ogg_cb_(chain, file, (FLAC__IOCallback_Read)fread) :
- chain_read_cb_(chain, file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, ftell_wrapper_)
- ;
-
- fclose(file);
-
- return ret;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_read(FLAC__Metadata_Chain *chain, const char *filename)
-{
- return chain_read_(chain, filename, /*is_ogg=*/false);
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg(FLAC__Metadata_Chain *chain, const char *filename)
-{
- return chain_read_(chain, filename, /*is_ogg=*/true);
-}
-
-static FLAC__bool chain_read_with_callbacks_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__bool is_ogg)
-{
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != chain);
-
- chain_clear_(chain);
-
- if (0 == callbacks.read || 0 == callbacks.seek || 0 == callbacks.tell) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
-
- chain->is_ogg = is_ogg;
-
- /* rewind */
- if(0 != callbacks.seek(handle, 0, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
-
- /* the function also sets chain->status for us */
- ret = is_ogg?
- chain_read_ogg_cb_(chain, handle, callbacks.read) :
- chain_read_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.tell)
- ;
-
- return ret;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_read_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
-{
- return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/false);
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
-{
- return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/true);
-}
-
-typedef enum {
- LBS_NONE = 0,
- LBS_SIZE_CHANGED,
- LBS_BLOCK_ADDED,
- LBS_BLOCK_REMOVED
-} LastBlockState;
-
-FLAC_API FLAC__bool FLAC__metadata_chain_check_if_tempfile_needed(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
-{
- /* This does all the same checks that are in chain_prepare_for_write_()
- * but doesn't actually alter the chain. Make sure to update the logic
- * here if chain_prepare_for_write_() changes.
- */
- FLAC__off_t current_length;
- LastBlockState lbs_state = LBS_NONE;
- unsigned lbs_size = 0;
-
- FLAC__ASSERT(0 != chain);
-
- current_length = chain_calculate_length_(chain);
-
- if(use_padding) {
- const FLAC__Metadata_Node * const node = chain->tail;
- /* if the metadata shrank and the last block is padding, we just extend the last padding block */
- if(current_length < chain->initial_length && node->data->type == FLAC__METADATA_TYPE_PADDING) {
- lbs_state = LBS_SIZE_CHANGED;
- lbs_size = node->data->length + (chain->initial_length - current_length);
- }
- /* if the metadata shrank more than 4 bytes then there's room to add another padding block */
- else if(current_length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) {
- lbs_state = LBS_BLOCK_ADDED;
- lbs_size = chain->initial_length - (current_length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- }
- /* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */
- else if(current_length > chain->initial_length) {
- const FLAC__off_t delta = current_length - chain->initial_length;
- if(node->data->type == FLAC__METADATA_TYPE_PADDING) {
- /* if the delta is exactly the size of the last padding block, remove the padding block */
- if((FLAC__off_t)node->data->length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta) {
- lbs_state = LBS_BLOCK_REMOVED;
- lbs_size = 0;
- }
- /* if there is at least 'delta' bytes of padding, trim the padding down */
- else if((FLAC__off_t)node->data->length >= delta) {
- lbs_state = LBS_SIZE_CHANGED;
- lbs_size = node->data->length - delta;
- }
- }
- }
- }
-
- current_length = 0;
- /* check sizes of all metadata blocks; reduce padding size if necessary */
- {
- const FLAC__Metadata_Node *node;
- for(node = chain->head; node; node = node->next) {
- unsigned block_len = node->data->length;
- if(node == chain->tail) {
- if(lbs_state == LBS_BLOCK_REMOVED)
- continue;
- else if(lbs_state == LBS_SIZE_CHANGED)
- block_len = lbs_size;
- }
- if(block_len >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) {
- if(node->data->type == FLAC__METADATA_TYPE_PADDING)
- block_len = (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1;
- else
- return false /* the return value doesn't matter */;
- }
- current_length += (FLAC__STREAM_METADATA_HEADER_LENGTH + block_len);
- }
-
- if(lbs_state == LBS_BLOCK_ADDED) {
- /* test added padding block */
- unsigned block_len = lbs_size;
- if(block_len >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN))
- block_len = (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1;
- current_length += (FLAC__STREAM_METADATA_HEADER_LENGTH + block_len);
- }
- }
-
- return (current_length != chain->initial_length);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_write(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__bool preserve_file_stats)
-{
- struct flac_stat_s stats;
- const char *tempfile_path_prefix = 0;
- FLAC__off_t current_length;
-
- FLAC__ASSERT(0 != chain);
-
- if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- return false;
- }
-
- if (0 == chain->filename) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
- return false;
- }
-
- current_length = chain_prepare_for_write_(chain, use_padding);
-
- /* a return value of 0 means there was an error; chain->status is already set */
- if (0 == current_length)
- return false;
-
- if(preserve_file_stats)
- get_file_stats_(chain->filename, &stats);
-
- if(current_length == chain->initial_length) {
- if(!chain_rewrite_metadata_in_place_(chain))
- return false;
- }
- else {
- if(!chain_rewrite_file_(chain, tempfile_path_prefix))
- return false;
-
- /* recompute lengths and offsets */
- {
- const FLAC__Metadata_Node *node;
- chain->initial_length = current_length;
- chain->last_offset = chain->first_offset;
- for(node = chain->head; node; node = node->next)
- chain->last_offset += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
- }
- }
-
- if(preserve_file_stats)
- set_file_stats_(chain->filename, &stats);
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
-{
- FLAC__off_t current_length;
-
- FLAC__ASSERT(0 != chain);
-
- if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- return false;
- }
-
- if (0 != chain->filename) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
- return false;
- }
-
- if (0 == callbacks.write || 0 == callbacks.seek) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
-
- if (FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL;
- return false;
- }
-
- current_length = chain_prepare_for_write_(chain, use_padding);
-
- /* a return value of 0 means there was an error; chain->status is already set */
- if (0 == current_length)
- return false;
-
- FLAC__ASSERT(current_length == chain->initial_length);
-
- return chain_rewrite_metadata_in_place_cb_(chain, handle, callbacks.write, callbacks.seek);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks_and_tempfile(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__IOHandle temp_handle, FLAC__IOCallbacks temp_callbacks)
-{
- FLAC__off_t current_length;
-
- FLAC__ASSERT(0 != chain);
-
- if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- return false;
- }
-
- if (0 != chain->filename) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
- return false;
- }
-
- if (0 == callbacks.read || 0 == callbacks.seek || 0 == callbacks.eof) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
- if (0 == temp_callbacks.write) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
-
- if (!FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL;
- return false;
- }
-
- current_length = chain_prepare_for_write_(chain, use_padding);
-
- /* a return value of 0 means there was an error; chain->status is already set */
- if (0 == current_length)
- return false;
-
- FLAC__ASSERT(current_length != chain->initial_length);
-
- /* rewind */
- if(0 != callbacks.seek(handle, 0, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
-
- if(!chain_rewrite_file_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.eof, temp_handle, temp_callbacks.write))
- return false;
-
- /* recompute lengths and offsets */
- {
- const FLAC__Metadata_Node *node;
- chain->initial_length = current_length;
- chain->last_offset = chain->first_offset;
- for(node = chain->head; node; node = node->next)
- chain->last_offset += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
- }
-
- return true;
-}
-
-FLAC_API void FLAC__metadata_chain_merge_padding(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
-
- for(node = chain->head; node; ) {
- if(!chain_merge_adjacent_padding_(chain, node))
- node = node->next;
- }
-}
-
-FLAC_API void FLAC__metadata_chain_sort_padding(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_Node *node, *save;
- unsigned i;
-
- FLAC__ASSERT(0 != chain);
-
- /*
- * Don't try and be too smart... this simple algo is good enough for
- * the small number of nodes that we deal with.
- */
- for(i = 0, node = chain->head; i < chain->nodes; i++) {
- if(node->data->type == FLAC__METADATA_TYPE_PADDING) {
- save = node->next;
- chain_remove_node_(chain, node);
- chain_append_node_(chain, node);
- node = save;
- }
- else {
- node = node->next;
- }
- }
-
- FLAC__metadata_chain_merge_padding(chain);
-}
-
-
-FLAC_API FLAC__Metadata_Iterator *FLAC__metadata_iterator_new(void)
-{
- FLAC__Metadata_Iterator *iterator = calloc(1, sizeof(FLAC__Metadata_Iterator));
-
- /* calloc() implies:
- iterator->current = 0;
- iterator->chain = 0;
- */
-
- return iterator;
-}
-
-FLAC_API void FLAC__metadata_iterator_delete(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- free(iterator);
-}
-
-FLAC_API void FLAC__metadata_iterator_init(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Chain *chain)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != chain->head);
-
- iterator->chain = chain;
- iterator->current = chain->head;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_next(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- if(0 == iterator->current || 0 == iterator->current->next)
- return false;
-
- iterator->current = iterator->current->next;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_prev(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- if(0 == iterator->current || 0 == iterator->current->prev)
- return false;
-
- iterator->current = iterator->current->prev;
- return true;
-}
-
-FLAC_API FLAC__MetadataType FLAC__metadata_iterator_get_block_type(const FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != iterator->current->data);
-
- return iterator->current->data->type;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_iterator_get_block(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
-
- return iterator->current->data;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_set_block(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != block);
- return FLAC__metadata_iterator_delete_block(iterator, false) && FLAC__metadata_iterator_insert_block_after(iterator, block);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_delete_block(FLAC__Metadata_Iterator *iterator, FLAC__bool replace_with_padding)
-{
- FLAC__Metadata_Node *save;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
-
- if(0 == iterator->current->prev) {
- FLAC__ASSERT(iterator->current->data->type == FLAC__METADATA_TYPE_STREAMINFO);
- return false;
- }
-
- save = iterator->current->prev;
-
- if(replace_with_padding) {
- FLAC__metadata_object_delete_data(iterator->current->data);
- iterator->current->data->type = FLAC__METADATA_TYPE_PADDING;
- }
- else {
- chain_delete_node_(iterator->chain, iterator->current);
- }
-
- iterator->current = save;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_insert_block_before(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != block);
-
- if(block->type == FLAC__METADATA_TYPE_STREAMINFO)
- return false;
-
- if(0 == iterator->current->prev) {
- FLAC__ASSERT(iterator->current->data->type == FLAC__METADATA_TYPE_STREAMINFO);
- return false;
- }
-
- if(0 == (node = node_new_()))
- return false;
-
- node->data = block;
- iterator_insert_node_(iterator, node);
- iterator->current = node;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_insert_block_after(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != block);
-
- if(block->type == FLAC__METADATA_TYPE_STREAMINFO)
- return false;
-
- if(0 == (node = node_new_()))
- return false;
-
- node->data = block;
- iterator_insert_node_after_(iterator, node);
- iterator->current = node;
- return true;
-}
-
-
-/****************************************************************************
- *
- * Local function definitions
- *
- ***************************************************************************/
-
-void pack_uint32_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes)
-{
- unsigned i;
-
- b += bytes;
-
- for(i = 0; i < bytes; i++) {
- *(--b) = (FLAC__byte)(val & 0xff);
- val >>= 8;
- }
-}
-
-void pack_uint32_little_endian_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes)
-{
- unsigned i;
-
- for(i = 0; i < bytes; i++) {
- *(b++) = (FLAC__byte)(val & 0xff);
- val >>= 8;
- }
-}
-
-void pack_uint64_(FLAC__uint64 val, FLAC__byte *b, unsigned bytes)
-{
- unsigned i;
-
- b += bytes;
-
- for(i = 0; i < bytes; i++) {
- *(--b) = (FLAC__byte)(val & 0xff);
- val >>= 8;
- }
-}
-
-FLAC__uint32 unpack_uint32_(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint32 ret = 0;
- unsigned i;
-
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint32)(*b++);
-
- return ret;
-}
-
-FLAC__uint32 unpack_uint32_little_endian_(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint32 ret = 0;
- unsigned i;
-
- b += bytes;
-
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint32)(*--b);
-
- return ret;
-}
-
-FLAC__uint64 unpack_uint64_(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint64 ret = 0;
- unsigned i;
-
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint64)(*b++);
-
- return ret;
-}
-
-FLAC__bool read_metadata_block_header_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(!read_metadata_block_header_cb_((FLAC__IOHandle)iterator->file, (FLAC__IOCallback_Read)fread, &iterator->is_last, &iterator->type, &iterator->length)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool read_metadata_block_data_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- iterator->status = read_metadata_block_data_cb_((FLAC__IOHandle)iterator->file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, block);
-
- return (iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK);
-}
-
-FLAC__bool read_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__bool *is_last, FLAC__MetadataType *type, unsigned *length)
-{
- FLAC__byte raw_header[FLAC__STREAM_METADATA_HEADER_LENGTH];
-
- if(read_cb(raw_header, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, handle) != FLAC__STREAM_METADATA_HEADER_LENGTH)
- return false;
-
- *is_last = raw_header[0] & 0x80? true : false;
- *type = (FLAC__MetadataType)(raw_header[0] & 0x7f);
- *length = unpack_uint32_(raw_header + 1, 3);
-
- /* Note that we don't check:
- * if(iterator->type >= FLAC__METADATA_TYPE_UNDEFINED)
- * we just will read in an opaque block
- */
-
- return true;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata *block)
-{
- switch(block->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- return read_metadata_block_data_streaminfo_cb_(handle, read_cb, &block->data.stream_info);
- case FLAC__METADATA_TYPE_PADDING:
- return read_metadata_block_data_padding_cb_(handle, seek_cb, &block->data.padding, block->length);
- case FLAC__METADATA_TYPE_APPLICATION:
- return read_metadata_block_data_application_cb_(handle, read_cb, &block->data.application, block->length);
- case FLAC__METADATA_TYPE_SEEKTABLE:
- return read_metadata_block_data_seektable_cb_(handle, read_cb, &block->data.seek_table, block->length);
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- return read_metadata_block_data_vorbis_comment_cb_(handle, read_cb, seek_cb, &block->data.vorbis_comment, block->length);
- case FLAC__METADATA_TYPE_CUESHEET:
- return read_metadata_block_data_cuesheet_cb_(handle, read_cb, &block->data.cue_sheet);
- case FLAC__METADATA_TYPE_PICTURE:
- return read_metadata_block_data_picture_cb_(handle, read_cb, &block->data.picture);
- default:
- return read_metadata_block_data_unknown_cb_(handle, read_cb, &block->data.unknown, block->length);
- }
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_StreamInfo *block)
-{
- FLAC__byte buffer[FLAC__STREAM_METADATA_STREAMINFO_LENGTH], *b;
-
- if(read_cb(buffer, 1, FLAC__STREAM_METADATA_STREAMINFO_LENGTH, handle) != FLAC__STREAM_METADATA_STREAMINFO_LENGTH)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- b = buffer;
-
- /* we are using hardcoded numbers for simplicity but we should
- * probably eventually write a bit-level unpacker and use the
- * _STREAMINFO_ constants.
- */
- block->min_blocksize = unpack_uint32_(b, 2); b += 2;
- block->max_blocksize = unpack_uint32_(b, 2); b += 2;
- block->min_framesize = unpack_uint32_(b, 3); b += 3;
- block->max_framesize = unpack_uint32_(b, 3); b += 3;
- block->sample_rate = (unpack_uint32_(b, 2) << 4) | ((unsigned)(b[2] & 0xf0) >> 4);
- block->channels = (unsigned)((b[2] & 0x0e) >> 1) + 1;
- block->bits_per_sample = ((((unsigned)(b[2] & 0x01)) << 4) | (((unsigned)(b[3] & 0xf0)) >> 4)) + 1;
- block->total_samples = (((FLAC__uint64)(b[3] & 0x0f)) << 32) | unpack_uint64_(b+4, 4);
- memcpy(block->md5sum, b+8, 16);
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_Padding *block, unsigned block_length)
-{
- (void)block; /* nothing to do; we don't care about reading the padding bytes */
-
- if(0 != seek_cb(handle, block_length, SEEK_CUR))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Application *block, unsigned block_length)
-{
- const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-
- if(read_cb(block->id, 1, id_bytes, handle) != id_bytes)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- if(block_length < id_bytes)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- block_length -= id_bytes;
-
- if(block_length == 0) {
- block->data = 0;
- }
- else {
- if(0 == (block->data = malloc(block_length)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(read_cb(block->data, 1, block_length, handle) != block_length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_SeekTable *block, unsigned block_length)
-{
- unsigned i;
- FLAC__byte buffer[FLAC__STREAM_METADATA_SEEKPOINT_LENGTH];
-
- FLAC__ASSERT(block_length % FLAC__STREAM_METADATA_SEEKPOINT_LENGTH == 0);
-
- block->num_points = block_length / FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
-
- if(block->num_points == 0)
- block->points = 0;
- else if(0 == (block->points = safe_malloc_mul_2op_p(block->num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < block->num_points; i++) {
- if(read_cb(buffer, 1, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH, handle) != FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- /* some MAGIC NUMBERs here */
- block->points[i].sample_number = unpack_uint64_(buffer, 8);
- block->points[i].stream_offset = unpack_uint64_(buffer+8, 8);
- block->points[i].frame_samples = unpack_uint32_(buffer+16, 2);
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_entry_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment_Entry *entry, unsigned max_length)
-{
- const unsigned entry_length_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8 == sizeof(buffer));
-
- if(max_length < entry_length_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA;
-
- max_length -= entry_length_len;
- if(read_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- entry->length = unpack_uint32_little_endian_(buffer, entry_length_len);
- if(max_length < entry->length) {
- entry->length = 0;
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA;
- } else max_length -= entry->length;
-
- if(0 != entry->entry)
- free(entry->entry);
-
- if(entry->length == 0) {
- entry->entry = 0;
- }
- else {
- if(0 == (entry->entry = safe_malloc_add_2op_(entry->length, /*+*/1)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(read_cb(entry->entry, 1, entry->length, handle) != entry->length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- entry->entry[entry->length] = '\0';
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_VorbisComment *block, unsigned block_length)
-{
- unsigned i;
- FLAC__Metadata_SimpleIteratorStatus status;
- const unsigned num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8 == sizeof(buffer));
-
- status = read_metadata_block_data_vorbis_comment_entry_cb_(handle, read_cb, &(block->vendor_string), block_length);
- if(block_length >= 4)
- block_length -= 4;
- if(status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA)
- goto skip;
- else if(status != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
- block_length -= block->vendor_string.length;
-
- if(block_length < num_comments_len) goto skip; else block_length -= num_comments_len;
- if(read_cb(buffer, 1, num_comments_len, handle) != num_comments_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->num_comments = unpack_uint32_little_endian_(buffer, num_comments_len);
-
- if(block->num_comments == 0) {
- block->comments = 0;
- }
- else if(0 == (block->comments = calloc(block->num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry)))) {
- block->num_comments = 0;
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- }
-
- for(i = 0; i < block->num_comments; i++) {
- status = read_metadata_block_data_vorbis_comment_entry_cb_(handle, read_cb, block->comments + i, block_length);
- if(block_length >= 4) block_length -= 4;
- if(status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA) {
- block->num_comments = i;
- goto skip;
- }
- else if(status != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK) return status;
- block_length -= block->comments[i].length;
- }
-
- skip:
- if(block_length > 0) {
- /* bad metadata */
- if(0 != seek_cb(handle, block_length, SEEK_CUR))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet_Track *track)
-{
- unsigned i, len;
- FLAC__byte buffer[32]; /* asserted below that this is big enough */
-
- FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64));
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->offset = unpack_uint64_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->number = (FLAC__byte)unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8;
- if(read_cb(track->isrc, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN == 1);
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN == 1);
- track->type = buffer[0] >> 7;
- track->pre_emphasis = (buffer[0] >> 6) & 1;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->num_indices = (FLAC__byte)unpack_uint32_(buffer, len);
-
- if(track->num_indices == 0) {
- track->indices = 0;
- }
- else if(0 == (track->indices = calloc(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < track->num_indices; i++) {
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->indices[i].offset = unpack_uint64_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->indices[i].number = (FLAC__byte)unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet *block)
-{
- unsigned i, len;
- FLAC__Metadata_SimpleIteratorStatus status;
- FLAC__byte buffer[1024]; /* MSVC needs a constant expression so we put a magic number and assert */
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN)/8 <= sizeof(buffer));
- FLAC__ASSERT(sizeof(FLAC__uint64) <= sizeof(buffer));
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8;
- if(read_cb(block->media_catalog_number, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->lead_in = unpack_uint64_(buffer, len);
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->is_cd = buffer[0]&0x80? true : false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->num_tracks = unpack_uint32_(buffer, len);
-
- if(block->num_tracks == 0) {
- block->tracks = 0;
- }
- else if(0 == (block->tracks = calloc(block->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < block->num_tracks; i++) {
- if(FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK != (status = read_metadata_block_data_cuesheet_track_cb_(handle, read_cb, block->tracks + i)))
- return status;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cstring_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__byte **data, FLAC__uint32 *length, FLAC__uint32 length_len)
-{
- FLAC__byte buffer[sizeof(FLAC__uint32)];
-
- FLAC__ASSERT(0 != data);
- FLAC__ASSERT(length_len%8 == 0);
-
- length_len /= 8; /* convert to bytes */
-
- FLAC__ASSERT(sizeof(buffer) >= length_len);
-
- if(read_cb(buffer, 1, length_len, handle) != length_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- *length = unpack_uint32_(buffer, length_len);
-
- if(0 != *data)
- free(*data);
-
- if(0 == (*data = safe_malloc_add_2op_(*length, /*+*/1)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(*length > 0) {
- if(read_cb(*data, 1, *length, handle) != *length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- (*data)[*length] = '\0';
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Picture *block)
-{
- FLAC__Metadata_SimpleIteratorStatus status;
- FLAC__byte buffer[4]; /* asserted below that this is big enough */
- FLAC__uint32 len;
-
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_TYPE_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_TYPE_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->type = (FLAC__StreamMetadata_Picture_Type)unpack_uint32_(buffer, len);
-
- if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, (FLAC__byte**)(&(block->mime_type)), &len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
-
- if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, &(block->description), &len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->width = unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->height = unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->depth = unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_COLORS_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_COLORS_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->colors = unpack_uint32_(buffer, len);
-
- /* for convenience we use read_metadata_block_data_picture_cstring_cb_() even though it adds an extra terminating NUL we don't use */
- if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, &(block->data), &(block->data_length), FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Unknown *block, unsigned block_length)
-{
- if(block_length == 0) {
- block->data = 0;
- }
- else {
- if(0 == (block->data = malloc(block_length)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(read_cb(block->data, 1, block_length, handle) != block_length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__bool write_metadata_block_header_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != file);
- FLAC__ASSERT(0 != status);
-
- if(!write_metadata_block_header_cb_((FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, block)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != file);
- FLAC__ASSERT(0 != status);
-
- if (write_metadata_block_data_cb_((FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, block)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
- return true;
- }
- else {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
-}
-
-FLAC__bool write_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block)
-{
- FLAC__byte buffer[FLAC__STREAM_METADATA_HEADER_LENGTH];
-
- FLAC__ASSERT(block->length < (1u << FLAC__STREAM_METADATA_LENGTH_LEN));
- /* double protection */
- if(block->length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN))
- return false;
-
- buffer[0] = (block->is_last? 0x80 : 0) | (FLAC__byte)block->type;
- pack_uint32_(block->length, buffer + 1, 3);
-
- if(write_cb(buffer, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, handle) != FLAC__STREAM_METADATA_HEADER_LENGTH)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != block);
-
- switch(block->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- return write_metadata_block_data_streaminfo_cb_(handle, write_cb, &block->data.stream_info);
- case FLAC__METADATA_TYPE_PADDING:
- return write_metadata_block_data_padding_cb_(handle, write_cb, &block->data.padding, block->length);
- case FLAC__METADATA_TYPE_APPLICATION:
- return write_metadata_block_data_application_cb_(handle, write_cb, &block->data.application, block->length);
- case FLAC__METADATA_TYPE_SEEKTABLE:
- return write_metadata_block_data_seektable_cb_(handle, write_cb, &block->data.seek_table);
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- return write_metadata_block_data_vorbis_comment_cb_(handle, write_cb, &block->data.vorbis_comment);
- case FLAC__METADATA_TYPE_CUESHEET:
- return write_metadata_block_data_cuesheet_cb_(handle, write_cb, &block->data.cue_sheet);
- case FLAC__METADATA_TYPE_PICTURE:
- return write_metadata_block_data_picture_cb_(handle, write_cb, &block->data.picture);
- default:
- return write_metadata_block_data_unknown_cb_(handle, write_cb, &block->data.unknown, block->length);
- }
-}
-
-FLAC__bool write_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_StreamInfo *block)
-{
- FLAC__byte buffer[FLAC__STREAM_METADATA_STREAMINFO_LENGTH];
- const unsigned channels1 = block->channels - 1;
- const unsigned bps1 = block->bits_per_sample - 1;
-
- /* we are using hardcoded numbers for simplicity but we should
- * probably eventually write a bit-level packer and use the
- * _STREAMINFO_ constants.
- */
- pack_uint32_(block->min_blocksize, buffer, 2);
- pack_uint32_(block->max_blocksize, buffer+2, 2);
- pack_uint32_(block->min_framesize, buffer+4, 3);
- pack_uint32_(block->max_framesize, buffer+7, 3);
- buffer[10] = (block->sample_rate >> 12) & 0xff;
- buffer[11] = (block->sample_rate >> 4) & 0xff;
- buffer[12] = ((block->sample_rate & 0x0f) << 4) | (channels1 << 1) | (bps1 >> 4);
- buffer[13] = (FLAC__byte)(((bps1 & 0x0f) << 4) | ((block->total_samples >> 32) & 0x0f));
- pack_uint32_((FLAC__uint32)block->total_samples, buffer+14, 4);
- memcpy(buffer+18, block->md5sum, 16);
-
- if(write_cb(buffer, 1, FLAC__STREAM_METADATA_STREAMINFO_LENGTH, handle) != FLAC__STREAM_METADATA_STREAMINFO_LENGTH)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Padding *block, unsigned block_length)
-{
- unsigned i, n = block_length;
- FLAC__byte buffer[1024];
-
- (void)block;
-
- memset(buffer, 0, 1024);
-
- for(i = 0; i < n/1024; i++)
- if(write_cb(buffer, 1, 1024, handle) != 1024)
- return false;
-
- n %= 1024;
-
- if(write_cb(buffer, 1, n, handle) != n)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Application *block, unsigned block_length)
-{
- const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-
- if(write_cb(block->id, 1, id_bytes, handle) != id_bytes)
- return false;
-
- block_length -= id_bytes;
-
- if(write_cb(block->data, 1, block_length, handle) != block_length)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_SeekTable *block)
-{
- unsigned i;
- FLAC__byte buffer[FLAC__STREAM_METADATA_SEEKPOINT_LENGTH];
-
- for(i = 0; i < block->num_points; i++) {
- /* some MAGIC NUMBERs here */
- pack_uint64_(block->points[i].sample_number, buffer, 8);
- pack_uint64_(block->points[i].stream_offset, buffer+8, 8);
- pack_uint32_(block->points[i].frame_samples, buffer+16, 2);
- if(write_cb(buffer, 1, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH, handle) != FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)
- return false;
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_VorbisComment *block)
-{
- unsigned i;
- const unsigned entry_length_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8;
- const unsigned num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(flac_max(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN, FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8 == sizeof(buffer));
-
- pack_uint32_little_endian_(block->vendor_string.length, buffer, entry_length_len);
- if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
- return false;
- if(write_cb(block->vendor_string.entry, 1, block->vendor_string.length, handle) != block->vendor_string.length)
- return false;
-
- pack_uint32_little_endian_(block->num_comments, buffer, num_comments_len);
- if(write_cb(buffer, 1, num_comments_len, handle) != num_comments_len)
- return false;
-
- for(i = 0; i < block->num_comments; i++) {
- pack_uint32_little_endian_(block->comments[i].length, buffer, entry_length_len);
- if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
- return false;
- if(write_cb(block->comments[i].entry, 1, block->comments[i].length, handle) != block->comments[i].length)
- return false;
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_CueSheet *block)
-{
- unsigned i, j, len;
- FLAC__byte buffer[1024]; /* asserted below that this is big enough */
-
- FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64));
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN)/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8;
- if(write_cb(block->media_catalog_number, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8;
- pack_uint64_(block->lead_in, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) / 8;
- memset(buffer, 0, len);
- if(block->is_cd)
- buffer[0] |= 0x80;
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8;
- pack_uint32_(block->num_tracks, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- for(i = 0; i < block->num_tracks; i++) {
- FLAC__StreamMetadata_CueSheet_Track *track = block->tracks + i;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8;
- pack_uint64_(track->offset, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8;
- pack_uint32_(track->number, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8;
- if(write_cb(track->isrc, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8;
- memset(buffer, 0, len);
- buffer[0] = (track->type << 7) | (track->pre_emphasis << 6);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8;
- pack_uint32_(track->num_indices, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- for(j = 0; j < track->num_indices; j++) {
- FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + j;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8;
- pack_uint64_(indx->offset, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8;
- pack_uint32_(indx->number, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8;
- memset(buffer, 0, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- }
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Picture *block)
-{
- unsigned len;
- size_t slen;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_TYPE_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_COLORS_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN%8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN/8);
-
- len = FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8;
- pack_uint32_(block->type, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN/8;
- slen = strlen(block->mime_type);
- pack_uint32_(slen, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- if(write_cb(block->mime_type, 1, slen, handle) != slen)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN/8;
- slen = strlen((const char *)block->description);
- pack_uint32_(slen, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- if(write_cb(block->description, 1, slen, handle) != slen)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8;
- pack_uint32_(block->width, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8;
- pack_uint32_(block->height, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8;
- pack_uint32_(block->depth, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8;
- pack_uint32_(block->colors, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN/8;
- pack_uint32_(block->data_length, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- if(write_cb(block->data, 1, block->data_length, handle) != block->data_length)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Unknown *block, unsigned block_length)
-{
- if(write_cb(block->data, 1, block_length, handle) != block_length)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block)
-{
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- if(!write_metadata_block_header_(iterator->file, &iterator->status, block))
- return false;
-
- if(!write_metadata_block_data_(iterator->file, &iterator->status, block))
- return false;
-
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return read_metadata_block_header_(iterator);
-}
-
-FLAC__bool write_metadata_block_stationary_with_padding_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, unsigned padding_length, FLAC__bool padding_is_last)
-{
- FLAC__StreamMetadata *padding;
-
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- block->is_last = false;
-
- if(!write_metadata_block_header_(iterator->file, &iterator->status, block))
- return false;
-
- if(!write_metadata_block_data_(iterator->file, &iterator->status, block))
- return false;
-
- if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- padding->is_last = padding_is_last;
- padding->length = padding_length;
-
- if(!write_metadata_block_header_(iterator->file, &iterator->status, padding)) {
- FLAC__metadata_object_delete(padding);
- return false;
- }
-
- if(!write_metadata_block_data_(iterator->file, &iterator->status, padding)) {
- FLAC__metadata_object_delete(padding);
- return false;
- }
-
- FLAC__metadata_object_delete(padding);
-
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return read_metadata_block_header_(iterator);
-}
-
-FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append)
-{
- FILE *tempfile = NULL;
- char *tempfilename = NULL;
- int fixup_is_last_code = 0; /* 0 => no need to change any is_last flags */
- FLAC__off_t fixup_is_last_flag_offset = -1;
-
- FLAC__ASSERT(0 != block || append == false);
-
- if(iterator->is_last) {
- if(append) {
- fixup_is_last_code = 1; /* 1 => clear the is_last flag at the following offset */
- fixup_is_last_flag_offset = iterator->offset[iterator->depth];
- }
- else if(0 == block) {
- simple_iterator_push_(iterator);
- if(!FLAC__metadata_simple_iterator_prev(iterator)) {
- (void)simple_iterator_pop_(iterator);
- return false;
- }
- fixup_is_last_code = -1; /* -1 => set the is_last the flag at the following offset */
- fixup_is_last_flag_offset = iterator->offset[iterator->depth];
- if(!simple_iterator_pop_(iterator))
- return false;
- }
- }
-
- if(!simple_iterator_copy_file_prefix_(iterator, &tempfile, &tempfilename, append))
- return false;
-
- if(0 != block) {
- if(!write_metadata_block_header_(tempfile, &iterator->status, block)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
- }
-
- if(!write_metadata_block_data_(tempfile, &iterator->status, block)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
- }
- }
-
- if(!simple_iterator_copy_file_postfix_(iterator, &tempfile, &tempfilename, fixup_is_last_code, fixup_is_last_flag_offset, block==0))
- return false;
-
- if(append)
- return FLAC__metadata_simple_iterator_next(iterator);
-
- return true;
-}
-
-void simple_iterator_push_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(iterator->depth+1 < SIMPLE_ITERATOR_MAX_PUSH_DEPTH);
- iterator->offset[iterator->depth+1] = iterator->offset[iterator->depth];
- iterator->depth++;
-}
-
-FLAC__bool simple_iterator_pop_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(iterator->depth > 0);
- iterator->depth--;
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return read_metadata_block_header_(iterator);
-}
-
-/* return meanings:
- * 0: ok
- * 1: read error
- * 2: seek error
- * 3: not a FLAC file
- */
-unsigned seek_to_first_metadata_block_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb)
-{
- FLAC__byte buffer[4];
- size_t n;
- unsigned i;
-
- FLAC__ASSERT(FLAC__STREAM_SYNC_LENGTH == sizeof(buffer));
-
- /* skip any id3v2 tag */
- errno = 0;
- n = read_cb(buffer, 1, 4, handle);
- if(errno)
- return 1;
- else if(n != 4)
- return 3;
- else if(0 == memcmp(buffer, "ID3", 3)) {
- unsigned tag_length = 0;
-
- /* skip to the tag length */
- if(seek_cb(handle, 2, SEEK_CUR) < 0)
- return 2;
-
- /* read the length */
- for(i = 0; i < 4; i++) {
- if(read_cb(buffer, 1, 1, handle) < 1 || buffer[0] & 0x80)
- return 1;
- tag_length <<= 7;
- tag_length |= (buffer[0] & 0x7f);
- }
-
- /* skip the rest of the tag */
- if(seek_cb(handle, tag_length, SEEK_CUR) < 0)
- return 2;
-
- /* read the stream sync code */
- errno = 0;
- n = read_cb(buffer, 1, 4, handle);
- if(errno)
- return 1;
- else if(n != 4)
- return 3;
- }
-
- /* check for the fLaC signature */
- if(0 == memcmp(FLAC__STREAM_SYNC_STRING, buffer, FLAC__STREAM_SYNC_LENGTH))
- return 0;
- else
- return 3;
-}
-
-unsigned seek_to_first_metadata_block_(FILE *f)
-{
- return seek_to_first_metadata_block_cb_((FLAC__IOHandle)f, (FLAC__IOCallback_Read)fread, fseek_wrapper_);
-}
-
-FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append)
-{
- const FLAC__off_t offset_end = append? iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length : iterator->offset[iterator->depth];
-
- if(0 != fseeko(iterator->file, 0, SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(!open_tempfile_(iterator->filename, iterator->tempfile_path_prefix, tempfile, tempfilename, &iterator->status)) {
- cleanup_tempfile_(tempfile, tempfilename);
- return false;
- }
- if(!copy_n_bytes_from_file_(iterator->file, *tempfile, offset_end, &iterator->status)) {
- cleanup_tempfile_(tempfile, tempfilename);
- return false;
- }
-
- return true;
-}
-
-FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, FLAC__off_t fixup_is_last_flag_offset, FLAC__bool backup)
-{
- FLAC__off_t save_offset = iterator->offset[iterator->depth];
- FLAC__ASSERT(0 != *tempfile);
-
- if(0 != fseeko(iterator->file, save_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length, SEEK_SET)) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(!copy_remaining_bytes_from_file_(iterator->file, *tempfile, &iterator->status)) {
- cleanup_tempfile_(tempfile, tempfilename);
- return false;
- }
-
- if(fixup_is_last_code != 0) {
- /*
- * if code == 1, it means a block was appended to the end so
- * we have to clear the is_last flag of the previous block
- * if code == -1, it means the last block was deleted so
- * we have to set the is_last flag of the previous block
- */
- /* MAGIC NUMBERs here; we know the is_last flag is the high bit of the byte at this location */
- FLAC__byte x;
- if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(fread(&x, 1, 1, *tempfile) != 1) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(fixup_is_last_code > 0) {
- FLAC__ASSERT(x & 0x80);
- x &= 0x7f;
- }
- else {
- FLAC__ASSERT(!(x & 0x80));
- x |= 0x80;
- }
- if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(local__fwrite(&x, 1, 1, *tempfile) != 1) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- (void)fclose(iterator->file);
-
- if(!transport_tempfile_(iterator->filename, tempfile, tempfilename, &iterator->status))
- return false;
-
- if(iterator->has_stats)
- set_file_stats_(iterator->filename, &iterator->stats);
-
- if(!simple_iterator_prime_input_(iterator, !iterator->is_writable))
- return false;
- if(backup) {
- while(iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length < save_offset)
- if(!FLAC__metadata_simple_iterator_next(iterator))
- return false;
- return true;
- }
- else {
- /* move the iterator to it's original block faster by faking a push, then doing a pop_ */
- FLAC__ASSERT(iterator->depth == 0);
- iterator->offset[0] = save_offset;
- iterator->depth++;
- return simple_iterator_pop_(iterator);
- }
-}
-
-FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- FLAC__ASSERT(bytes >= 0);
- while(bytes > 0) {
- n = flac_min(sizeof(buffer), (size_t)bytes);
- if(fread(buffer, 1, n, file) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(local__fwrite(buffer, 1, n, tempfile) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- bytes -= n;
- }
-
- return true;
-}
-
-FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- FLAC__ASSERT(bytes >= 0);
- while(bytes > 0) {
- n = flac_min(sizeof(buffer), (size_t)bytes);
- if(read_cb(buffer, 1, n, handle) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(temp_write_cb(buffer, 1, n, temp_handle) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- bytes -= n;
- }
-
- return true;
-}
-
-FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- while(!feof(file)) {
- n = fread(buffer, 1, sizeof(buffer), file);
- if(n == 0 && !feof(file)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(n > 0 && local__fwrite(buffer, 1, n, tempfile) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- return true;
-}
-
-FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- while(!eof_cb(handle)) {
- n = read_cb(buffer, 1, sizeof(buffer), handle);
- if(n == 0 && !eof_cb(handle)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(n > 0 && temp_write_cb(buffer, 1, n, temp_handle) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- return true;
-}
-
-static int
-local_snprintf(char *str, size_t size, const char *fmt, ...)
-{
- va_list va;
- int rc;
-
-#if defined _MSC_VER
- if (size == 0)
- return 1024;
-#endif
-
- va_start (va, fmt);
-
-#if defined _MSC_VER
- rc = vsnprintf_s (str, size, _TRUNCATE, fmt, va);
- if (rc < 0)
- rc = size - 1;
-#elif defined __MINGW32__
- rc = __mingw_vsnprintf (str, size, fmt, va);
-#else
- rc = vsnprintf (str, size, fmt, va);
-#endif
- va_end (va);
-
- return rc;
-}
-
-FLAC__bool open_tempfile_(const char *filename, const char *tempfile_path_prefix, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- static const char *tempfile_suffix = ".metadata_edit";
- if(0 == tempfile_path_prefix) {
- size_t dest_len = strlen(filename) + strlen(tempfile_suffix) + 1;
- if(0 == (*tempfilename = safe_malloc_(dest_len))) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- local_snprintf(*tempfilename, dest_len, "%s%s", filename, tempfile_suffix);
- }
- else {
- const char *p = strrchr(filename, '/');
- size_t dest_len;
- if(0 == p)
- p = filename;
- else
- p++;
-
- dest_len = strlen(tempfile_path_prefix) + strlen(p) + strlen(tempfile_suffix) + 2;
-
- if(0 == (*tempfilename = safe_malloc_(dest_len))) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- local_snprintf(*tempfilename, dest_len, "%s/%s%s", tempfile_path_prefix, p, tempfile_suffix);
- }
-
- if(0 == (*tempfile = flac_fopen(*tempfilename, "w+b"))) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != tempfile);
- FLAC__ASSERT(0 != *tempfile);
- FLAC__ASSERT(0 != tempfilename);
- FLAC__ASSERT(0 != *tempfilename);
- FLAC__ASSERT(0 != status);
-
- (void)fclose(*tempfile);
- *tempfile = 0;
-
-#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__ || defined __EMX__
- /* on some flavors of windows, flac_rename() will fail if the destination already exists */
- if(flac_unlink(filename) < 0) {
- cleanup_tempfile_(tempfile, tempfilename);
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR;
- return false;
- }
-#endif
-
- /*@@@ to fully support the tempfile_path_prefix we need to update this piece to actually copy across filesystems instead of just flac_rename(): */
- if(0 != flac_rename(*tempfilename, filename)) {
- cleanup_tempfile_(tempfile, tempfilename);
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR;
- return false;
- }
-
- cleanup_tempfile_(tempfile, tempfilename);
-
- return true;
-}
-
-void cleanup_tempfile_(FILE **tempfile, char **tempfilename)
-{
- if(0 != *tempfile) {
- (void)fclose(*tempfile);
- *tempfile = 0;
- }
-
- if(0 != *tempfilename) {
- (void)flac_unlink(*tempfilename);
- free(*tempfilename);
- *tempfilename = 0;
- }
-}
-
-FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != stats);
- return (0 == flac_stat(filename, stats));
-}
-
-void set_file_stats_(const char *filename, struct flac_stat_s *stats)
-{
- struct utimbuf srctime;
-
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != stats);
-
- srctime.actime = stats->st_atime;
- srctime.modtime = stats->st_mtime;
- (void)flac_chmod(filename, stats->st_mode);
-#if !defined _3DS
- (void)flac_utime(filename, &srctime);
-#endif
-
-#if !defined _MSC_VER && !defined __BORLANDC__ && !defined __MINGW32__
- FLAC_CHECK_RETURN(chown(filename, stats->st_uid, -1));
- FLAC_CHECK_RETURN(chown(filename, -1, stats->st_gid));
-#endif
-}
-
-int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence)
-{
- return fseeko((FILE*)handle, (FLAC__off_t)offset, whence);
-}
-
-FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle)
-{
- return ftello((FILE*)handle);
-}
-
-FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status)
-{
- switch(status) {
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK:
- return FLAC__METADATA_CHAIN_STATUS_OK;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT:
- return FLAC__METADATA_CHAIN_STATUS_ILLEGAL_INPUT;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE:
- return FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE:
- return FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE:
- return FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA:
- return FLAC__METADATA_CHAIN_STATUS_BAD_METADATA;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_RENAME_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_INTERNAL_ERROR:
- default:
- return FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- }
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/metadata_object.c b/deps/flac-1.3.2/src/libFLAC/metadata_object.c
deleted file mode 100644
index 9cb9501..0000000
--- a/deps/flac-1.3.2/src/libFLAC/metadata_object.c
+++ /dev/null
@@ -1,1821 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "private/metadata.h"
-#include "private/memory.h"
-
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-#include "share/compat.h"
-
-/* Alias the first (in share/alloc.h) to the second (in src/libFLAC/memory.c). */
-#define safe_malloc_mul_2op_ safe_malloc_mul_2op_p
-
-
-/****************************************************************************
- *
- * Local routines
- *
- ***************************************************************************/
-
-/* copy bytes:
- * from = NULL && bytes = 0
- * to <- NULL
- * from != NULL && bytes > 0
- * to <- copy of from
- * else ASSERT
- * malloc error leaves 'to' unchanged
- */
-static FLAC__bool copy_bytes_(FLAC__byte **to, const FLAC__byte *from, unsigned bytes)
-{
- FLAC__ASSERT(to != NULL);
- if (bytes > 0 && from != NULL) {
- FLAC__byte *x;
- if ((x = safe_malloc_(bytes)) == NULL)
- return false;
- memcpy(x, from, bytes);
- *to = x;
- }
- else {
- *to = 0;
- }
- return true;
-}
-
-#if 0 /* UNUSED */
-/* like copy_bytes_(), but free()s the original '*to' if the copy succeeds and the original '*to' is non-NULL */
-static FLAC__bool free_copy_bytes_(FLAC__byte **to, const FLAC__byte *from, unsigned bytes)
-{
- FLAC__byte *copy;
- FLAC__ASSERT(to != NULL);
- if (copy_bytes_(&copy, from, bytes)) {
- free(*to);
- *to = copy;
- return true;
- }
- else
- return false;
-}
-#endif
-
-/* reallocate entry to 1 byte larger and add a terminating NUL */
-/* realloc() failure leaves entry unchanged */
-static FLAC__bool ensure_null_terminated_(FLAC__byte **entry, unsigned length)
-{
- FLAC__byte *x = safe_realloc_add_2op_(*entry, length, /*+*/1);
- if (x != NULL) {
- x[length] = '\0';
- *entry = x;
- return true;
- }
- else
- return false;
-}
-
-/* copies the NUL-terminated C-string 'from' to '*to', leaving '*to'
- * unchanged if malloc fails, free()ing the original '*to' if it
- * succeeds and the original '*to' was not NULL
- */
-static FLAC__bool copy_cstring_(char **to, const char *from)
-{
- char *copy = strdup(from);
- FLAC__ASSERT(to != NULL);
- if (copy) {
- free(*to);
- *to = copy;
- return true;
- }
- else
- return false;
-}
-
-static FLAC__bool copy_vcentry_(FLAC__StreamMetadata_VorbisComment_Entry *to, const FLAC__StreamMetadata_VorbisComment_Entry *from)
-{
- to->length = from->length;
- if (from->entry == 0) {
- FLAC__ASSERT(from->length == 0);
- to->entry = 0;
- }
- else {
- FLAC__byte *x;
- FLAC__ASSERT(from->length > 0);
- if ((x = safe_malloc_add_2op_(from->length, /*+*/1)) == NULL)
- return false;
- memcpy(x, from->entry, from->length);
- x[from->length] = '\0';
- to->entry = x;
- }
- return true;
-}
-
-static FLAC__bool copy_track_(FLAC__StreamMetadata_CueSheet_Track *to, const FLAC__StreamMetadata_CueSheet_Track *from)
-{
- memcpy(to, from, sizeof(FLAC__StreamMetadata_CueSheet_Track));
- if (from->indices == 0) {
- FLAC__ASSERT(from->num_indices == 0);
- }
- else {
- FLAC__StreamMetadata_CueSheet_Index *x;
- FLAC__ASSERT(from->num_indices > 0);
- if ((x = safe_malloc_mul_2op_p(from->num_indices, /*times*/sizeof(FLAC__StreamMetadata_CueSheet_Index))) == NULL)
- return false;
- memcpy(x, from->indices, from->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index));
- to->indices = x;
- }
- return true;
-}
-
-static void seektable_calculate_length_(FLAC__StreamMetadata *object)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- object->length = object->data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
-}
-
-static FLAC__StreamMetadata_SeekPoint *seekpoint_array_new_(unsigned num_points)
-{
- FLAC__StreamMetadata_SeekPoint *object_array;
-
- FLAC__ASSERT(num_points > 0);
-
- object_array = safe_malloc_mul_2op_p(num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint));
-
- if (object_array != NULL) {
- unsigned i;
- for (i = 0; i < num_points; i++) {
- object_array[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
- object_array[i].stream_offset = 0;
- object_array[i].frame_samples = 0;
- }
- }
-
- return object_array;
-}
-
-static void vorbiscomment_calculate_length_(FLAC__StreamMetadata *object)
-{
- unsigned i;
-
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- object->length = (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN) / 8;
- object->length += object->data.vorbis_comment.vendor_string.length;
- object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8;
- for (i = 0; i < object->data.vorbis_comment.num_comments; i++) {
- object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8);
- object->length += object->data.vorbis_comment.comments[i].length;
- }
-}
-
-static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_new_(unsigned num_comments)
-{
- FLAC__ASSERT(num_comments > 0);
-
- return safe_calloc_(num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry));
-}
-
-static void vorbiscomment_entry_array_delete_(FLAC__StreamMetadata_VorbisComment_Entry *object_array, unsigned num_comments)
-{
- unsigned i;
-
- FLAC__ASSERT(object_array != NULL && num_comments > 0);
-
- for (i = 0; i < num_comments; i++)
- free(object_array[i].entry);
-
- free(object_array);
-}
-
-static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_copy_(const FLAC__StreamMetadata_VorbisComment_Entry *object_array, unsigned num_comments)
-{
- FLAC__StreamMetadata_VorbisComment_Entry *return_array;
-
- FLAC__ASSERT(object_array != NULL);
- FLAC__ASSERT(num_comments > 0);
-
- return_array = vorbiscomment_entry_array_new_(num_comments);
-
- if (return_array != NULL) {
- unsigned i;
-
- for (i = 0; i < num_comments; i++) {
- if (!copy_vcentry_(return_array+i, object_array+i)) {
- vorbiscomment_entry_array_delete_(return_array, num_comments);
- return 0;
- }
- }
- }
-
- return return_array;
-}
-
-static FLAC__bool vorbiscomment_set_entry_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry *dest, const FLAC__StreamMetadata_VorbisComment_Entry *src, FLAC__bool copy)
-{
- FLAC__byte *save;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(dest != NULL);
- FLAC__ASSERT(src != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT((src->entry != NULL && src->length > 0) || (src->entry == NULL && src->length == 0));
-
- save = dest->entry;
-
- if (src->entry != NULL) {
- if (copy) {
- /* do the copy first so that if we fail we leave the dest object untouched */
- if (!copy_vcentry_(dest, src))
- return false;
- }
- else {
- /* we have to make sure that the string we're taking over is null-terminated */
-
- /*
- * Stripping the const from src->entry is OK since we're taking
- * ownership of the pointer. This is a hack around a deficiency
- * in the API where the same function is used for 'copy' and
- * 'own', but the source entry is a const pointer. If we were
- * precise, the 'own' flavor would be a separate function with a
- * non-const source pointer. But it's not, so we hack away.
- */
- if (!ensure_null_terminated_((FLAC__byte**)(&src->entry), src->length))
- return false;
- *dest = *src;
- }
- }
- else {
- /* the src is null */
- *dest = *src;
- }
-
- free(save);
-
- vorbiscomment_calculate_length_(object);
- return true;
-}
-
-static int vorbiscomment_find_entry_from_(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name, unsigned field_name_length)
-{
- unsigned i;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(field_name != NULL);
-
- for (i = offset; i < object->data.vorbis_comment.num_comments; i++) {
- if (FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length))
- return (int)i;
- }
-
- return -1;
-}
-
-static void cuesheet_calculate_length_(FLAC__StreamMetadata *object)
-{
- unsigned i;
-
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- object->length = (
- FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN +
- FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN +
- FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN +
- FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN +
- FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN
- ) / 8;
-
- object->length += object->data.cue_sheet.num_tracks * (
- FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN
- ) / 8;
-
- for (i = 0; i < object->data.cue_sheet.num_tracks; i++) {
- object->length += object->data.cue_sheet.tracks[i].num_indices * (
- FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN +
- FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN +
- FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN
- ) / 8;
- }
-}
-
-static FLAC__StreamMetadata_CueSheet_Index *cuesheet_track_index_array_new_(unsigned num_indices)
-{
- FLAC__ASSERT(num_indices > 0);
-
- return safe_calloc_(num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index));
-}
-
-static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_new_(unsigned num_tracks)
-{
- FLAC__ASSERT(num_tracks > 0);
-
- return safe_calloc_(num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-}
-
-static void cuesheet_track_array_delete_(FLAC__StreamMetadata_CueSheet_Track *object_array, unsigned num_tracks)
-{
- unsigned i;
-
- FLAC__ASSERT(object_array != NULL && num_tracks > 0);
-
- for (i = 0; i < num_tracks; i++) {
- if (object_array[i].indices != 0) {
- FLAC__ASSERT(object_array[i].num_indices > 0);
- free(object_array[i].indices);
- }
- }
-
- free(object_array);
-}
-
-static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_copy_(const FLAC__StreamMetadata_CueSheet_Track *object_array, unsigned num_tracks)
-{
- FLAC__StreamMetadata_CueSheet_Track *return_array;
-
- FLAC__ASSERT(object_array != NULL);
- FLAC__ASSERT(num_tracks > 0);
-
- return_array = cuesheet_track_array_new_(num_tracks);
-
- if (return_array != NULL) {
- unsigned i;
-
- for (i = 0; i < num_tracks; i++) {
- if (!copy_track_(return_array+i, object_array+i)) {
- cuesheet_track_array_delete_(return_array, num_tracks);
- return 0;
- }
- }
- }
-
- return return_array;
-}
-
-static FLAC__bool cuesheet_set_track_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_CueSheet_Track *dest, const FLAC__StreamMetadata_CueSheet_Track *src, FLAC__bool copy)
-{
- FLAC__StreamMetadata_CueSheet_Index *save;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(dest != NULL);
- FLAC__ASSERT(src != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT((src->indices != NULL && src->num_indices > 0) || (src->indices == NULL && src->num_indices == 0));
-
- save = dest->indices;
-
- /* do the copy first so that if we fail we leave the object untouched */
- if (copy) {
- if (!copy_track_(dest, src))
- return false;
- }
- else {
- *dest = *src;
- }
-
- free(save);
-
- cuesheet_calculate_length_(object);
- return true;
-}
-
-
-/****************************************************************************
- *
- * Metadata object routines
- *
- ***************************************************************************/
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_new(FLAC__MetadataType type)
-{
- FLAC__StreamMetadata *object;
-
- if (type > FLAC__MAX_METADATA_TYPE)
- return 0;
-
- object = calloc(1, sizeof(FLAC__StreamMetadata));
- if (object != NULL) {
- object->is_last = false;
- object->type = type;
- switch(type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- object->length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
- break;
- case FLAC__METADATA_TYPE_PADDING:
- /* calloc() took care of this for us:
- object->length = 0;
- */
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
- /* calloc() took care of this for us:
- object->data.application.data = 0;
- */
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- /* calloc() took care of this for us:
- object->length = 0;
- object->data.seek_table.num_points = 0;
- object->data.seek_table.points = 0;
- */
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- object->data.vorbis_comment.vendor_string.length = (unsigned)strlen(FLAC__VENDOR_STRING);
- if (!copy_bytes_(&object->data.vorbis_comment.vendor_string.entry, (const FLAC__byte*)FLAC__VENDOR_STRING, object->data.vorbis_comment.vendor_string.length+1)) {
- free(object);
- return 0;
- }
- vorbiscomment_calculate_length_(object);
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- cuesheet_calculate_length_(object);
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- object->length = (
- FLAC__STREAM_METADATA_PICTURE_TYPE_LEN +
- FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* empty mime_type string */
- FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* empty description string */
- FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN +
- FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN +
- FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN +
- FLAC__STREAM_METADATA_PICTURE_COLORS_LEN +
- FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN +
- 0 /* no data */
- ) / 8;
- object->data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER;
- object->data.picture.mime_type = 0;
- object->data.picture.description = 0;
- /* calloc() took care of this for us:
- object->data.picture.width = 0;
- object->data.picture.height = 0;
- object->data.picture.depth = 0;
- object->data.picture.colors = 0;
- object->data.picture.data_length = 0;
- object->data.picture.data = 0;
- */
- /* now initialize mime_type and description with empty strings to make things easier on the client */
- if (!copy_cstring_(&object->data.picture.mime_type, "")) {
- free(object);
- return 0;
- }
- if (!copy_cstring_((char**)(&object->data.picture.description), "")) {
- free(object->data.picture.mime_type);
- free(object);
- return 0;
- }
- break;
- default:
- /* calloc() took care of this for us:
- object->length = 0;
- object->data.unknown.data = 0;
- */
- break;
- }
- }
-
- return object;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_clone(const FLAC__StreamMetadata *object)
-{
- FLAC__StreamMetadata *to;
-
- FLAC__ASSERT(object != NULL);
-
- if ((to = FLAC__metadata_object_new(object->type)) != NULL) {
- to->is_last = object->is_last;
- to->type = object->type;
- to->length = object->length;
- switch(to->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- memcpy(&to->data.stream_info, &object->data.stream_info, sizeof(FLAC__StreamMetadata_StreamInfo));
- break;
- case FLAC__METADATA_TYPE_PADDING:
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- if (to->length < FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8) { /* underflow check */
- FLAC__metadata_object_delete(to);
- return 0;
- }
- memcpy(&to->data.application.id, &object->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8);
- if (!copy_bytes_(&to->data.application.data, object->data.application.data, object->length - FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- to->data.seek_table.num_points = object->data.seek_table.num_points;
- if (to->data.seek_table.num_points > UINT32_MAX / sizeof(FLAC__StreamMetadata_SeekPoint)) { /* overflow check */
- FLAC__metadata_object_delete(to);
- return 0;
- }
- if (!copy_bytes_((FLAC__byte**)&to->data.seek_table.points, (FLAC__byte*)object->data.seek_table.points, object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint))) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if (to->data.vorbis_comment.vendor_string.entry != NULL) {
- free(to->data.vorbis_comment.vendor_string.entry);
- to->data.vorbis_comment.vendor_string.entry = 0;
- }
- if (!copy_vcentry_(&to->data.vorbis_comment.vendor_string, &object->data.vorbis_comment.vendor_string)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- if (object->data.vorbis_comment.num_comments == 0) {
- to->data.vorbis_comment.comments = 0;
- }
- else {
- to->data.vorbis_comment.comments = vorbiscomment_entry_array_copy_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments);
- if (to->data.vorbis_comment.comments == NULL) {
- to->data.vorbis_comment.num_comments = 0;
- FLAC__metadata_object_delete(to);
- return 0;
- }
- }
- to->data.vorbis_comment.num_comments = object->data.vorbis_comment.num_comments;
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- memcpy(&to->data.cue_sheet, &object->data.cue_sheet, sizeof(FLAC__StreamMetadata_CueSheet));
- if (object->data.cue_sheet.num_tracks == 0) {
- FLAC__ASSERT(object->data.cue_sheet.tracks == NULL);
- }
- else {
- FLAC__ASSERT(object->data.cue_sheet.tracks != 0);
- to->data.cue_sheet.tracks = cuesheet_track_array_copy_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks);
- if (to->data.cue_sheet.tracks == NULL) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- }
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- to->data.picture.type = object->data.picture.type;
- if (!copy_cstring_(&to->data.picture.mime_type, object->data.picture.mime_type)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- if (!copy_cstring_((char**)(&to->data.picture.description), (const char*)object->data.picture.description)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- to->data.picture.width = object->data.picture.width;
- to->data.picture.height = object->data.picture.height;
- to->data.picture.depth = object->data.picture.depth;
- to->data.picture.colors = object->data.picture.colors;
- to->data.picture.data_length = object->data.picture.data_length;
- if (!copy_bytes_((&to->data.picture.data), object->data.picture.data, object->data.picture.data_length)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- default:
- if (!copy_bytes_(&to->data.unknown.data, object->data.unknown.data, object->length)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- }
- }
-
- return to;
-}
-
-void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object)
-{
- FLAC__ASSERT(object != NULL);
-
- switch(object->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- case FLAC__METADATA_TYPE_PADDING:
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- if (object->data.application.data != NULL) {
- free(object->data.application.data);
- object->data.application.data = NULL;
- }
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- if (object->data.seek_table.points != NULL) {
- free(object->data.seek_table.points);
- object->data.seek_table.points = NULL;
- }
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if (object->data.vorbis_comment.vendor_string.entry != NULL) {
- free(object->data.vorbis_comment.vendor_string.entry);
- object->data.vorbis_comment.vendor_string.entry = 0;
- }
- if (object->data.vorbis_comment.comments != NULL) {
- FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0);
- vorbiscomment_entry_array_delete_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments);
- object->data.vorbis_comment.comments = NULL;
- object->data.vorbis_comment.num_comments = 0;
- }
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- if (object->data.cue_sheet.tracks != NULL) {
- FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0);
- cuesheet_track_array_delete_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks);
- object->data.cue_sheet.tracks = NULL;
- object->data.cue_sheet.num_tracks = 0;
- }
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- if (object->data.picture.mime_type != NULL) {
- free(object->data.picture.mime_type);
- object->data.picture.mime_type = NULL;
- }
- if (object->data.picture.description != NULL) {
- free(object->data.picture.description);
- object->data.picture.description = NULL;
- }
- if (object->data.picture.data != NULL) {
- free(object->data.picture.data);
- object->data.picture.data = NULL;
- }
- break;
- default:
- if (object->data.unknown.data != NULL) {
- free(object->data.unknown.data);
- object->data.unknown.data = NULL;
- }
- break;
- }
-}
-
-FLAC_API void FLAC__metadata_object_delete(FLAC__StreamMetadata *object)
-{
- FLAC__metadata_object_delete_data(object);
- free(object);
-}
-
-static FLAC__bool compare_block_data_streaminfo_(const FLAC__StreamMetadata_StreamInfo *block1, const FLAC__StreamMetadata_StreamInfo *block2)
-{
- if (block1->min_blocksize != block2->min_blocksize)
- return false;
- if (block1->max_blocksize != block2->max_blocksize)
- return false;
- if (block1->min_framesize != block2->min_framesize)
- return false;
- if (block1->max_framesize != block2->max_framesize)
- return false;
- if (block1->sample_rate != block2->sample_rate)
- return false;
- if (block1->channels != block2->channels)
- return false;
- if (block1->bits_per_sample != block2->bits_per_sample)
- return false;
- if (block1->total_samples != block2->total_samples)
- return false;
- if (memcmp(block1->md5sum, block2->md5sum, 16) != 0)
- return false;
- return true;
-}
-
-static FLAC__bool compare_block_data_application_(const FLAC__StreamMetadata_Application *block1, const FLAC__StreamMetadata_Application *block2, unsigned block_length)
-{
- FLAC__ASSERT(block1 != NULL);
- FLAC__ASSERT(block2 != NULL);
- FLAC__ASSERT(block_length >= sizeof(block1->id));
-
- if (memcmp(block1->id, block2->id, sizeof(block1->id)) != 0)
- return false;
- if (block1->data != NULL && block2->data != NULL)
- return memcmp(block1->data, block2->data, block_length - sizeof(block1->id)) == 0;
- else
- return block1->data == block2->data;
-}
-
-static FLAC__bool compare_block_data_seektable_(const FLAC__StreamMetadata_SeekTable *block1, const FLAC__StreamMetadata_SeekTable *block2)
-{
- unsigned i;
-
- FLAC__ASSERT(block1 != NULL);
- FLAC__ASSERT(block2 != NULL);
-
- if (block1->num_points != block2->num_points)
- return false;
-
- if (block1->points != NULL && block2->points != NULL) {
- for (i = 0; i < block1->num_points; i++) {
- if (block1->points[i].sample_number != block2->points[i].sample_number)
- return false;
- if (block1->points[i].stream_offset != block2->points[i].stream_offset)
- return false;
- if (block1->points[i].frame_samples != block2->points[i].frame_samples)
- return false;
- }
- return true;
- }
- else
- return block1->points == block2->points;
-}
-
-static FLAC__bool compare_block_data_vorbiscomment_(const FLAC__StreamMetadata_VorbisComment *block1, const FLAC__StreamMetadata_VorbisComment *block2)
-{
- unsigned i;
-
- if (block1->vendor_string.length != block2->vendor_string.length)
- return false;
-
- if (block1->vendor_string.entry != NULL && block2->vendor_string.entry != NULL) {
- if (memcmp(block1->vendor_string.entry, block2->vendor_string.entry, block1->vendor_string.length) != 0)
- return false;
- }
- else if (block1->vendor_string.entry != block2->vendor_string.entry)
- return false;
-
- if (block1->num_comments != block2->num_comments)
- return false;
-
- for (i = 0; i < block1->num_comments; i++) {
- if (block1->comments[i].entry != NULL && block2->comments[i].entry != NULL) {
- if (memcmp(block1->comments[i].entry, block2->comments[i].entry, block1->comments[i].length) != 0)
- return false;
- }
- else if (block1->comments[i].entry != block2->comments[i].entry)
- return false;
- }
- return true;
-}
-
-static FLAC__bool compare_block_data_cuesheet_(const FLAC__StreamMetadata_CueSheet *block1, const FLAC__StreamMetadata_CueSheet *block2)
-{
- unsigned i, j;
-
- if (strcmp(block1->media_catalog_number, block2->media_catalog_number) != 0)
- return false;
-
- if (block1->lead_in != block2->lead_in)
- return false;
-
- if (block1->is_cd != block2->is_cd)
- return false;
-
- if (block1->num_tracks != block2->num_tracks)
- return false;
-
- if (block1->tracks != NULL && block2->tracks != NULL) {
- FLAC__ASSERT(block1->num_tracks > 0);
- for (i = 0; i < block1->num_tracks; i++) {
- if (block1->tracks[i].offset != block2->tracks[i].offset)
- return false;
- if (block1->tracks[i].number != block2->tracks[i].number)
- return false;
- if (memcmp(block1->tracks[i].isrc, block2->tracks[i].isrc, sizeof(block1->tracks[i].isrc)) != 0)
- return false;
- if (block1->tracks[i].type != block2->tracks[i].type)
- return false;
- if (block1->tracks[i].pre_emphasis != block2->tracks[i].pre_emphasis)
- return false;
- if (block1->tracks[i].num_indices != block2->tracks[i].num_indices)
- return false;
- if (block1->tracks[i].indices != NULL && block2->tracks[i].indices != NULL) {
- FLAC__ASSERT(block1->tracks[i].num_indices > 0);
- for (j = 0; j < block1->tracks[i].num_indices; j++) {
- if (block1->tracks[i].indices[j].offset != block2->tracks[i].indices[j].offset)
- return false;
- if (block1->tracks[i].indices[j].number != block2->tracks[i].indices[j].number)
- return false;
- }
- }
- else if (block1->tracks[i].indices != block2->tracks[i].indices)
- return false;
- }
- }
- else if (block1->tracks != block2->tracks)
- return false;
- return true;
-}
-
-static FLAC__bool compare_block_data_picture_(const FLAC__StreamMetadata_Picture *block1, const FLAC__StreamMetadata_Picture *block2)
-{
- if (block1->type != block2->type)
- return false;
- if (block1->mime_type != block2->mime_type && (block1->mime_type == 0 || block2->mime_type == 0 || strcmp(block1->mime_type, block2->mime_type)))
- return false;
- if (block1->description != block2->description && (block1->description == 0 || block2->description == 0 || strcmp((const char *)block1->description, (const char *)block2->description)))
- return false;
- if (block1->width != block2->width)
- return false;
- if (block1->height != block2->height)
- return false;
- if (block1->depth != block2->depth)
- return false;
- if (block1->colors != block2->colors)
- return false;
- if (block1->data_length != block2->data_length)
- return false;
- if (block1->data != block2->data && (block1->data == NULL || block2->data == NULL || memcmp(block1->data, block2->data, block1->data_length)))
- return false;
- return true;
-}
-
-static FLAC__bool compare_block_data_unknown_(const FLAC__StreamMetadata_Unknown *block1, const FLAC__StreamMetadata_Unknown *block2, unsigned block_length)
-{
- FLAC__ASSERT(block1 != NULL);
- FLAC__ASSERT(block2 != NULL);
-
- if (block1->data != NULL && block2->data != NULL)
- return memcmp(block1->data, block2->data, block_length) == 0;
- else
- return block1->data == block2->data;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_is_equal(const FLAC__StreamMetadata *block1, const FLAC__StreamMetadata *block2)
-{
- FLAC__ASSERT(block1 != NULL);
- FLAC__ASSERT(block2 != NULL);
-
- if (block1->type != block2->type) {
- return false;
- }
- if (block1->is_last != block2->is_last) {
- return false;
- }
- if (block1->length != block2->length) {
- return false;
- }
- switch(block1->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- return compare_block_data_streaminfo_(&block1->data.stream_info, &block2->data.stream_info);
- case FLAC__METADATA_TYPE_PADDING:
- return true; /* we don't compare the padding guts */
- case FLAC__METADATA_TYPE_APPLICATION:
- return compare_block_data_application_(&block1->data.application, &block2->data.application, block1->length);
- case FLAC__METADATA_TYPE_SEEKTABLE:
- return compare_block_data_seektable_(&block1->data.seek_table, &block2->data.seek_table);
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- return compare_block_data_vorbiscomment_(&block1->data.vorbis_comment, &block2->data.vorbis_comment);
- case FLAC__METADATA_TYPE_CUESHEET:
- return compare_block_data_cuesheet_(&block1->data.cue_sheet, &block2->data.cue_sheet);
- case FLAC__METADATA_TYPE_PICTURE:
- return compare_block_data_picture_(&block1->data.picture, &block2->data.picture);
- default:
- return compare_block_data_unknown_(&block1->data.unknown, &block2->data.unknown, block1->length);
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_application_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, unsigned length, FLAC__bool copy)
-{
- FLAC__byte *save;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_APPLICATION);
- FLAC__ASSERT((data != NULL && length > 0) || (data == NULL && length == 0 && copy == false));
-
- save = object->data.application.data;
-
- /* do the copy first so that if we fail we leave the object untouched */
- if (copy) {
- if (!copy_bytes_(&object->data.application.data, data, length))
- return false;
- }
- else {
- object->data.application.data = data;
- }
-
- free(save);
-
- object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8 + length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_resize_points(FLAC__StreamMetadata *object, unsigned new_num_points)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- if (object->data.seek_table.points == 0) {
- FLAC__ASSERT(object->data.seek_table.num_points == 0);
- if (new_num_points == 0)
- return true;
- else if ((object->data.seek_table.points = seekpoint_array_new_(new_num_points)) == 0)
- return false;
- }
- else {
- const size_t old_size = object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint);
- const size_t new_size = new_num_points * sizeof(FLAC__StreamMetadata_SeekPoint);
-
- /* overflow check */
- if (new_num_points > UINT32_MAX / sizeof(FLAC__StreamMetadata_SeekPoint))
- return false;
-
- FLAC__ASSERT(object->data.seek_table.num_points > 0);
-
- if (new_size == 0) {
- free(object->data.seek_table.points);
- object->data.seek_table.points = 0;
- }
- else if ((object->data.seek_table.points = safe_realloc_(object->data.seek_table.points, new_size)) == NULL)
- return false;
-
- /* if growing, set new elements to placeholders */
- if (new_size > old_size) {
- unsigned i;
- for (i = object->data.seek_table.num_points; i < new_num_points; i++) {
- object->data.seek_table.points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
- object->data.seek_table.points[i].stream_offset = 0;
- object->data.seek_table.points[i].frame_samples = 0;
- }
- }
- }
-
- object->data.seek_table.num_points = new_num_points;
-
- seektable_calculate_length_(object);
- return true;
-}
-
-FLAC_API void FLAC__metadata_object_seektable_set_point(FLAC__StreamMetadata *object, unsigned point_num, FLAC__StreamMetadata_SeekPoint point)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(point_num < object->data.seek_table.num_points);
-
- object->data.seek_table.points[point_num] = point;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_insert_point(FLAC__StreamMetadata *object, unsigned point_num, FLAC__StreamMetadata_SeekPoint point)
-{
- int i;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(point_num <= object->data.seek_table.num_points);
-
- if (!FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points+1))
- return false;
-
- /* move all points >= point_num forward one space */
- for (i = (int)object->data.seek_table.num_points-1; i > (int)point_num; i--)
- object->data.seek_table.points[i] = object->data.seek_table.points[i-1];
-
- FLAC__metadata_object_seektable_set_point(object, point_num, point);
- seektable_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_delete_point(FLAC__StreamMetadata *object, unsigned point_num)
-{
- unsigned i;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(point_num < object->data.seek_table.num_points);
-
- /* move all points > point_num backward one space */
- for (i = point_num; i < object->data.seek_table.num_points-1; i++)
- object->data.seek_table.points[i] = object->data.seek_table.points[i+1];
-
- return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_is_legal(const FLAC__StreamMetadata *object)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- return FLAC__format_seektable_is_legal(&object->data.seek_table);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_placeholders(FLAC__StreamMetadata *object, unsigned num)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- if (num > 0)
- /* WATCHOUT: we rely on the fact that growing the array adds PLACEHOLDERS at the end */
- return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points + num);
- else
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_point(FLAC__StreamMetadata *object, FLAC__uint64 sample_number)
-{
- FLAC__StreamMetadata_SeekTable *seek_table;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- seek_table = &object->data.seek_table;
-
- if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + 1))
- return false;
-
- seek_table->points[seek_table->num_points - 1].sample_number = sample_number;
- seek_table->points[seek_table->num_points - 1].stream_offset = 0;
- seek_table->points[seek_table->num_points - 1].frame_samples = 0;
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_points(FLAC__StreamMetadata *object, FLAC__uint64 sample_numbers[], unsigned num)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(sample_numbers != 0 || num == 0);
-
- if (num > 0) {
- FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
- unsigned i, j;
-
- i = seek_table->num_points;
-
- if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num))
- return false;
-
- for (j = 0; j < num; i++, j++) {
- seek_table->points[i].sample_number = sample_numbers[j];
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points(FLAC__StreamMetadata *object, unsigned num, FLAC__uint64 total_samples)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(total_samples > 0);
-
- if (num > 0 && total_samples > 0) {
- FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
- unsigned i, j;
-
- i = seek_table->num_points;
-
- if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num))
- return false;
-
- for (j = 0; j < num; i++, j++) {
- seek_table->points[i].sample_number = total_samples * (FLAC__uint64)j / (FLAC__uint64)num;
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(FLAC__StreamMetadata *object, unsigned samples, FLAC__uint64 total_samples)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(samples > 0);
- FLAC__ASSERT(total_samples > 0);
-
- if (samples > 0 && total_samples > 0) {
- FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
- unsigned i, j;
- FLAC__uint64 num, sample;
-
- num = 1 + total_samples / samples; /* 1+ for the first sample at 0 */
- /* now account for the fact that we don't place a seekpoint at "total_samples" since samples are number from 0: */
- if (total_samples % samples == 0)
- num--;
-
- /* Put a strict upper bound on the number of allowed seek points. */
- if (num > 32768) {
- /* Set the bound and recalculate samples accordingly. */
- num = 32768;
- samples = total_samples / num;
- }
-
- i = seek_table->num_points;
-
- if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + (unsigned)num))
- return false;
-
- sample = 0;
- for (j = 0; j < num; i++, j++, sample += samples) {
- seek_table->points[i].sample_number = sample;
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_sort(FLAC__StreamMetadata *object, FLAC__bool compact)
-{
- unsigned unique;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- unique = FLAC__format_seektable_sort(&object->data.seek_table);
-
- return !compact || FLAC__metadata_object_seektable_resize_points(object, unique);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_vendor_string(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- if (!FLAC__format_vorbiscomment_entry_value_is_legal(entry.entry, entry.length))
- return false;
- return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.vendor_string, &entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_resize_comments(FLAC__StreamMetadata *object, unsigned new_num_comments)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- if (object->data.vorbis_comment.comments == NULL) {
- FLAC__ASSERT(object->data.vorbis_comment.num_comments == 0);
- if (new_num_comments == 0)
- return true;
- else if ((object->data.vorbis_comment.comments = vorbiscomment_entry_array_new_(new_num_comments)) == NULL)
- return false;
- }
- else {
- const size_t old_size = object->data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry);
- const size_t new_size = new_num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry);
-
- /* overflow check */
- if (new_num_comments > UINT32_MAX / sizeof(FLAC__StreamMetadata_VorbisComment_Entry))
- return false;
-
- FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0);
-
- /* if shrinking, free the truncated entries */
- if (new_num_comments < object->data.vorbis_comment.num_comments) {
- unsigned i;
- for (i = new_num_comments; i < object->data.vorbis_comment.num_comments; i++)
- if (object->data.vorbis_comment.comments[i].entry != NULL)
- free(object->data.vorbis_comment.comments[i].entry);
- }
-
- if (new_size == 0) {
- free(object->data.vorbis_comment.comments);
- object->data.vorbis_comment.comments = 0;
- }
- else {
- FLAC__StreamMetadata_VorbisComment_Entry *oldptr = object->data.vorbis_comment.comments;
- if ((object->data.vorbis_comment.comments = realloc(object->data.vorbis_comment.comments, new_size)) == NULL) {
- vorbiscomment_entry_array_delete_(oldptr, object->data.vorbis_comment.num_comments);
- object->data.vorbis_comment.num_comments = 0;
- return false;
- }
- }
-
- /* if growing, zero all the length/pointers of new elements */
- if (new_size > old_size)
- memset(object->data.vorbis_comment.comments + object->data.vorbis_comment.num_comments, 0, new_size - old_size);
- }
-
- object->data.vorbis_comment.num_comments = new_num_comments;
-
- vorbiscomment_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_comment(FLAC__StreamMetadata *object, unsigned comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments);
-
- if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
- return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.comments[comment_num], &entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_insert_comment(FLAC__StreamMetadata *object, unsigned comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- FLAC__StreamMetadata_VorbisComment *vc;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(comment_num <= object->data.vorbis_comment.num_comments);
-
- if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
-
- vc = &object->data.vorbis_comment;
-
- if (!FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments+1))
- return false;
-
- /* move all comments >= comment_num forward one space */
- memmove(&vc->comments[comment_num+1], &vc->comments[comment_num], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-1-comment_num));
- vc->comments[comment_num].length = 0;
- vc->comments[comment_num].entry = 0;
-
- return FLAC__metadata_object_vorbiscomment_set_comment(object, comment_num, entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_append_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- return FLAC__metadata_object_vorbiscomment_insert_comment(object, object->data.vorbis_comment.num_comments, entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_replace_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool all, FLAC__bool copy)
-{
- FLAC__ASSERT(entry.entry != NULL && entry.length > 0);
-
- if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
-
- {
- int i;
- size_t field_name_length;
- const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
-
- if (eq == NULL)
- return false; /* double protection */
-
- field_name_length = eq-entry.entry;
-
- i = vorbiscomment_find_entry_from_(object, 0, (const char *)entry.entry, field_name_length);
- if (i >= 0) {
- unsigned indx = (unsigned)i;
- if (!FLAC__metadata_object_vorbiscomment_set_comment(object, indx, entry, copy))
- return false;
- entry = object->data.vorbis_comment.comments[indx];
- indx++; /* skip over replaced comment */
- if (all && indx < object->data.vorbis_comment.num_comments) {
- i = vorbiscomment_find_entry_from_(object, indx, (const char *)entry.entry, field_name_length);
- while (i >= 0) {
- indx = (unsigned)i;
- if (!FLAC__metadata_object_vorbiscomment_delete_comment(object, indx))
- return false;
- if (indx < object->data.vorbis_comment.num_comments)
- i = vorbiscomment_find_entry_from_(object, indx, (const char *)entry.entry, field_name_length);
- else
- i = -1;
- }
- }
- return true;
- }
- else
- return FLAC__metadata_object_vorbiscomment_append_comment(object, entry, copy);
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_delete_comment(FLAC__StreamMetadata *object, unsigned comment_num)
-{
- FLAC__StreamMetadata_VorbisComment *vc;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments);
-
- vc = &object->data.vorbis_comment;
-
- /* free the comment at comment_num */
- free(vc->comments[comment_num].entry);
-
- /* move all comments > comment_num backward one space */
- memmove(&vc->comments[comment_num], &vc->comments[comment_num+1], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-comment_num-1));
- vc->comments[vc->num_comments-1].length = 0;
- vc->comments[vc->num_comments-1].entry = 0;
-
- return FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(FLAC__StreamMetadata_VorbisComment_Entry *entry, const char *field_name, const char *field_value)
-{
- FLAC__ASSERT(entry != NULL);
- FLAC__ASSERT(field_name != NULL);
- FLAC__ASSERT(field_value != NULL);
-
- if (!FLAC__format_vorbiscomment_entry_name_is_legal(field_name))
- return false;
- if (!FLAC__format_vorbiscomment_entry_value_is_legal((const FLAC__byte *)field_value, (unsigned)(-1)))
- return false;
-
- {
- const size_t nn = strlen(field_name);
- const size_t nv = strlen(field_value);
- entry->length = nn + 1 /*=*/ + nv;
- if ((entry->entry = safe_malloc_add_4op_(nn, /*+*/1, /*+*/nv, /*+*/1)) == NULL)
- return false;
- memcpy(entry->entry, field_name, nn);
- entry->entry[nn] = '=';
- memcpy(entry->entry+nn+1, field_value, nv);
- entry->entry[entry->length] = '\0';
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(const FLAC__StreamMetadata_VorbisComment_Entry entry, char **field_name, char **field_value)
-{
- FLAC__ASSERT(entry.entry != NULL && entry.length > 0);
- FLAC__ASSERT(field_name != NULL);
- FLAC__ASSERT(field_value != NULL);
-
- if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
-
- {
- const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
- const size_t nn = eq-entry.entry;
- const size_t nv = entry.length-nn-1; /* -1 for the '=' */
-
- if (eq == NULL)
- return false; /* double protection */
- if ((*field_name = safe_malloc_add_2op_(nn, /*+*/1)) == NULL)
- return false;
- if ((*field_value = safe_malloc_add_2op_(nv, /*+*/1)) == NULL) {
- free(*field_name);
- return false;
- }
- memcpy(*field_name, entry.entry, nn);
- memcpy(*field_value, entry.entry+nn+1, nv);
- (*field_name)[nn] = '\0';
- (*field_value)[nv] = '\0';
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_matches(const FLAC__StreamMetadata_VorbisComment_Entry entry, const char *field_name, unsigned field_name_length)
-{
- FLAC__ASSERT(entry.entry != NULL && entry.length > 0);
- {
- const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
- return (eq != NULL && (unsigned)(eq-entry.entry) == field_name_length && FLAC__STRNCASECMP(field_name, (const char *)entry.entry, field_name_length) == 0);
- }
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_find_entry_from(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name)
-{
- FLAC__ASSERT(field_name != NULL);
-
- return vorbiscomment_find_entry_from_(object, offset, field_name, strlen(field_name));
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entry_matching(FLAC__StreamMetadata *object, const char *field_name)
-{
- const unsigned field_name_length = strlen(field_name);
- unsigned i;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- for (i = 0; i < object->data.vorbis_comment.num_comments; i++) {
- if (FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) {
- if (!FLAC__metadata_object_vorbiscomment_delete_comment(object, i))
- return -1;
- else
- return 1;
- }
- }
-
- return 0;
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entries_matching(FLAC__StreamMetadata *object, const char *field_name)
-{
- FLAC__bool ok = true;
- unsigned matching = 0;
- const unsigned field_name_length = strlen(field_name);
- int i;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- /* must delete from end to start otherwise it will interfere with our iteration */
- for (i = (int)object->data.vorbis_comment.num_comments - 1; ok && i >= 0; i--) {
- if (FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) {
- matching++;
- ok &= FLAC__metadata_object_vorbiscomment_delete_comment(object, (unsigned)i);
- }
- }
-
- return ok? (int)matching : -1;
-}
-
-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_new(void)
-{
- return calloc(1, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-}
-
-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_clone(const FLAC__StreamMetadata_CueSheet_Track *object)
-{
- FLAC__StreamMetadata_CueSheet_Track *to;
-
- FLAC__ASSERT(object != NULL);
-
- if ((to = FLAC__metadata_object_cuesheet_track_new()) != NULL) {
- if (!copy_track_(to, object)) {
- FLAC__metadata_object_cuesheet_track_delete(to);
- return 0;
- }
- }
-
- return to;
-}
-
-void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object)
-{
- FLAC__ASSERT(object != NULL);
-
- if (object->indices != NULL) {
- FLAC__ASSERT(object->num_indices > 0);
- free(object->indices);
- }
-}
-
-FLAC_API void FLAC__metadata_object_cuesheet_track_delete(FLAC__StreamMetadata_CueSheet_Track *object)
-{
- FLAC__metadata_object_cuesheet_track_delete_data(object);
- free(object);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_resize_indices(FLAC__StreamMetadata *object, unsigned track_num, unsigned new_num_indices)
-{
- FLAC__StreamMetadata_CueSheet_Track *track;
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
- track = &object->data.cue_sheet.tracks[track_num];
-
- if (track->indices == NULL) {
- FLAC__ASSERT(track->num_indices == 0);
- if (new_num_indices == 0)
- return true;
- else if ((track->indices = cuesheet_track_index_array_new_(new_num_indices)) == NULL)
- return false;
- }
- else {
- const size_t old_size = track->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index);
- const size_t new_size = new_num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index);
-
- /* overflow check */
- if (new_num_indices > UINT32_MAX / sizeof(FLAC__StreamMetadata_CueSheet_Index))
- return false;
-
- FLAC__ASSERT(track->num_indices > 0);
-
- if (new_size == 0) {
- free(track->indices);
- track->indices = 0;
- }
- else if ((track->indices = safe_realloc_(track->indices, new_size)) == NULL)
- return false;
-
- /* if growing, zero all the lengths/pointers of new elements */
- if (new_size > old_size)
- memset(track->indices + track->num_indices, 0, new_size - old_size);
- }
-
- track->num_indices = new_num_indices;
-
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num, FLAC__StreamMetadata_CueSheet_Index indx)
-{
- FLAC__StreamMetadata_CueSheet_Track *track;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
- FLAC__ASSERT(index_num <= object->data.cue_sheet.tracks[track_num].num_indices);
-
- track = &object->data.cue_sheet.tracks[track_num];
-
- if (!FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices+1))
- return false;
-
- /* move all indices >= index_num forward one space */
- memmove(&track->indices[index_num+1], &track->indices[index_num], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-1-index_num));
-
- track->indices[index_num] = indx;
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_blank_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num)
-{
- FLAC__StreamMetadata_CueSheet_Index indx;
- memset(&indx, 0, sizeof(indx));
- return FLAC__metadata_object_cuesheet_track_insert_index(object, track_num, index_num, indx);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_delete_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num)
-{
- FLAC__StreamMetadata_CueSheet_Track *track;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
- FLAC__ASSERT(index_num < object->data.cue_sheet.tracks[track_num].num_indices);
-
- track = &object->data.cue_sheet.tracks[track_num];
-
- /* move all indices > index_num backward one space */
- memmove(&track->indices[index_num], &track->indices[index_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-index_num-1));
-
- FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices-1);
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_resize_tracks(FLAC__StreamMetadata *object, unsigned new_num_tracks)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- if (object->data.cue_sheet.tracks == NULL) {
- FLAC__ASSERT(object->data.cue_sheet.num_tracks == 0);
- if (new_num_tracks == 0)
- return true;
- else if ((object->data.cue_sheet.tracks = cuesheet_track_array_new_(new_num_tracks)) == NULL)
- return false;
- }
- else {
- const size_t old_size = object->data.cue_sheet.num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track);
- const size_t new_size = new_num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track);
-
- /* overflow check */
- if (new_num_tracks > UINT32_MAX / sizeof(FLAC__StreamMetadata_CueSheet_Track))
- return false;
-
- FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0);
-
- /* if shrinking, free the truncated entries */
- if (new_num_tracks < object->data.cue_sheet.num_tracks) {
- unsigned i;
- for (i = new_num_tracks; i < object->data.cue_sheet.num_tracks; i++)
- free(object->data.cue_sheet.tracks[i].indices);
- }
-
- if (new_size == 0) {
- free(object->data.cue_sheet.tracks);
- object->data.cue_sheet.tracks = 0;
- }
- else if ((object->data.cue_sheet.tracks = safe_realloc_(object->data.cue_sheet.tracks, new_size)) == NULL)
- return false;
-
- /* if growing, zero all the lengths/pointers of new elements */
- if (new_size > old_size)
- memset(object->data.cue_sheet.tracks + object->data.cue_sheet.num_tracks, 0, new_size - old_size);
- }
-
- object->data.cue_sheet.num_tracks = new_num_tracks;
-
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_set_track(FLAC__StreamMetadata *object, unsigned track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
- return cuesheet_set_track_(object, object->data.cue_sheet.tracks + track_num, track, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_track(FLAC__StreamMetadata *object, unsigned track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy)
-{
- FLAC__StreamMetadata_CueSheet *cs;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num <= object->data.cue_sheet.num_tracks);
-
- cs = &object->data.cue_sheet;
-
- if (!FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks+1))
- return false;
-
- /* move all tracks >= track_num forward one space */
- memmove(&cs->tracks[track_num+1], &cs->tracks[track_num], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-1-track_num));
- cs->tracks[track_num].num_indices = 0;
- cs->tracks[track_num].indices = 0;
-
- return FLAC__metadata_object_cuesheet_set_track(object, track_num, track, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_blank_track(FLAC__StreamMetadata *object, unsigned track_num)
-{
- FLAC__StreamMetadata_CueSheet_Track track;
- memset(&track, 0, sizeof(track));
- return FLAC__metadata_object_cuesheet_insert_track(object, track_num, &track, /*copy=*/false);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_delete_track(FLAC__StreamMetadata *object, unsigned track_num)
-{
- FLAC__StreamMetadata_CueSheet *cs;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
- cs = &object->data.cue_sheet;
-
- /* free the track at track_num */
- free(cs->tracks[track_num].indices);
-
- /* move all tracks > track_num backward one space */
- memmove(&cs->tracks[track_num], &cs->tracks[track_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-track_num-1));
- cs->tracks[cs->num_tracks-1].num_indices = 0;
- cs->tracks[cs->num_tracks-1].indices = 0;
-
- return FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_is_legal(const FLAC__StreamMetadata *object, FLAC__bool check_cd_da_subset, const char **violation)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- return FLAC__format_cuesheet_is_legal(&object->data.cue_sheet, check_cd_da_subset, violation);
-}
-
-static FLAC__uint64 get_index_01_offset_(const FLAC__StreamMetadata_CueSheet *cs, unsigned track)
-{
- if (track >= (cs->num_tracks-1) || cs->tracks[track].num_indices < 1)
- return 0;
- else if (cs->tracks[track].indices[0].number == 1)
- return cs->tracks[track].indices[0].offset + cs->tracks[track].offset + cs->lead_in;
- else if (cs->tracks[track].num_indices < 2)
- return 0;
- else if (cs->tracks[track].indices[1].number == 1)
- return cs->tracks[track].indices[1].offset + cs->tracks[track].offset + cs->lead_in;
- else
- return 0;
-}
-
-static FLAC__uint32 cddb_add_digits_(FLAC__uint32 x)
-{
- FLAC__uint32 n = 0;
- while (x) {
- n += (x%10);
- x /= 10;
- }
- return n;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__uint32 FLAC__metadata_object_cuesheet_calculate_cddb_id(const FLAC__StreamMetadata *object)
-{
- const FLAC__StreamMetadata_CueSheet *cs;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- cs = &object->data.cue_sheet;
-
- if (cs->num_tracks < 2) /* need at least one real track and the lead-out track */
- return 0;
-
- {
- FLAC__uint32 i, length, sum = 0;
- for (i = 0; i < (cs->num_tracks-1); i++) /* -1 to avoid counting the lead-out */
- sum += cddb_add_digits_((FLAC__uint32)(get_index_01_offset_(cs, i) / 44100));
- length = (FLAC__uint32)((cs->tracks[cs->num_tracks-1].offset+cs->lead_in) / 44100) - (FLAC__uint32)(get_index_01_offset_(cs, 0) / 44100);
-
- return (sum % 0xFF) << 24 | length << 8 | (FLAC__uint32)(cs->num_tracks-1);
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_set_mime_type(FLAC__StreamMetadata *object, char *mime_type, FLAC__bool copy)
-{
- char *old;
- size_t old_length, new_length;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
- FLAC__ASSERT(mime_type != NULL);
-
- old = object->data.picture.mime_type;
- old_length = old? strlen(old) : 0;
- new_length = strlen(mime_type);
-
- /* do the copy first so that if we fail we leave the object untouched */
- if (copy) {
- if (new_length >= SIZE_MAX) /* overflow check */
- return false;
- if (!copy_bytes_((FLAC__byte**)(&object->data.picture.mime_type), (FLAC__byte*)mime_type, new_length+1))
- return false;
- }
- else {
- object->data.picture.mime_type = mime_type;
- }
-
- free(old);
-
- object->length -= old_length;
- object->length += new_length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_set_description(FLAC__StreamMetadata *object, FLAC__byte *description, FLAC__bool copy)
-{
- FLAC__byte *old;
- size_t old_length, new_length;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
- FLAC__ASSERT(description != NULL);
-
- old = object->data.picture.description;
- old_length = old? strlen((const char *)old) : 0;
- new_length = strlen((const char *)description);
-
- /* do the copy first so that if we fail we leave the object untouched */
- if (copy) {
- if (new_length >= SIZE_MAX) /* overflow check */
- return false;
- if (!copy_bytes_(&object->data.picture.description, description, new_length+1))
- return false;
- }
- else {
- object->data.picture.description = description;
- }
-
- free(old);
-
- object->length -= old_length;
- object->length += new_length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, FLAC__uint32 length, FLAC__bool copy)
-{
- FLAC__byte *old;
-
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
- FLAC__ASSERT((data != NULL && length > 0) || (data == NULL && length == 0 && copy == false));
-
- old = object->data.picture.data;
-
- /* do the copy first so that if we fail we leave the object untouched */
- if (copy) {
- if (!copy_bytes_(&object->data.picture.data, data, length))
- return false;
- }
- else {
- object->data.picture.data = data;
- }
-
- free(old);
-
- object->length -= object->data.picture.data_length;
- object->data.picture.data_length = length;
- object->length += length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_is_legal(const FLAC__StreamMetadata *object, const char **violation)
-{
- FLAC__ASSERT(object != NULL);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
-
- return FLAC__format_picture_is_legal(&object->data.picture, violation);
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/ogg_decoder_aspect.c b/deps/flac-1.3.2/src/libFLAC/ogg_decoder_aspect.c
deleted file mode 100644
index 40cee19..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ogg_decoder_aspect.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2002-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h> /* for memcpy() */
-#include "FLAC/assert.h"
-#include "private/ogg_decoder_aspect.h"
-#include "private/ogg_mapping.h"
-#include "private/macros.h"
-
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect)
-{
- /* we will determine the serial number later if necessary */
- if(ogg_stream_init(&aspect->stream_state, aspect->serial_number) != 0)
- return false;
-
- if(ogg_sync_init(&aspect->sync_state) != 0)
- return false;
-
- aspect->version_major = ~(0u);
- aspect->version_minor = ~(0u);
-
- aspect->need_serial_number = aspect->use_first_serial_number;
-
- aspect->end_of_stream = false;
- aspect->have_working_page = false;
-
- return true;
-}
-
-void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect)
-{
- (void)ogg_sync_clear(&aspect->sync_state);
- (void)ogg_stream_clear(&aspect->stream_state);
-}
-
-void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value)
-{
- aspect->use_first_serial_number = false;
- aspect->serial_number = value;
-}
-
-void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect)
-{
- aspect->use_first_serial_number = true;
-}
-
-void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect)
-{
- (void)ogg_stream_reset(&aspect->stream_state);
- (void)ogg_sync_reset(&aspect->sync_state);
- aspect->end_of_stream = false;
- aspect->have_working_page = false;
-}
-
-void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect)
-{
- FLAC__ogg_decoder_aspect_flush(aspect);
-
- if(aspect->use_first_serial_number)
- aspect->need_serial_number = true;
-}
-
-FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data)
-{
- static const size_t OGG_BYTES_CHUNK = 8192;
- const size_t bytes_requested = *bytes;
-
- /*
- * The FLAC decoding API uses pull-based reads, whereas Ogg decoding
- * is push-based. In libFLAC, when you ask to decode a frame, the
- * decoder will eventually call the read callback to supply some data,
- * but how much it asks for depends on how much free space it has in
- * its internal buffer. It does not try to grow its internal buffer
- * to accomodate a whole frame because then the internal buffer size
- * could not be limited, which is necessary in embedded applications.
- *
- * Ogg however grows its internal buffer until a whole page is present;
- * only then can you get decoded data out. So we can't just ask for
- * the same number of bytes from Ogg, then pass what's decoded down to
- * libFLAC. If what libFLAC is asking for will not contain a whole
- * page, then we will get no data from ogg_sync_pageout(), and at the
- * same time cannot just read more data from the client for the purpose
- * of getting a whole decoded page because the decoded size might be
- * larger than libFLAC's internal buffer.
- *
- * Instead, whenever this read callback wrapper is called, we will
- * continually request data from the client until we have at least one
- * page, and manage pages internally so that we can send pieces of
- * pages down to libFLAC in such a way that we obey its size
- * requirement. To limit the amount of callbacks, we will always try
- * to read in enough pages to return the full number of bytes
- * requested.
- */
- *bytes = 0;
- while (*bytes < bytes_requested && !aspect->end_of_stream) {
- if (aspect->have_working_page) {
- if (aspect->have_working_packet) {
- size_t n = bytes_requested - *bytes;
- if ((size_t)aspect->working_packet.bytes <= n) {
- /* the rest of the packet will fit in the buffer */
- n = aspect->working_packet.bytes;
- memcpy(buffer, aspect->working_packet.packet, n);
- *bytes += n;
- buffer += n;
- aspect->have_working_packet = false;
- }
- else {
- /* only n bytes of the packet will fit in the buffer */
- memcpy(buffer, aspect->working_packet.packet, n);
- *bytes += n;
- buffer += n;
- aspect->working_packet.packet += n;
- aspect->working_packet.bytes -= n;
- }
- }
- else {
- /* try and get another packet */
- const int ret = ogg_stream_packetout(&aspect->stream_state, &aspect->working_packet);
- if (ret > 0) {
- aspect->have_working_packet = true;
- /* if it is the first header packet, check for magic and a supported Ogg FLAC mapping version */
- if (aspect->working_packet.bytes > 0 && aspect->working_packet.packet[0] == FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE) {
- const FLAC__byte *b = aspect->working_packet.packet;
- const unsigned header_length =
- FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH +
- FLAC__OGG_MAPPING_MAGIC_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH +
- FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH;
- if (aspect->working_packet.bytes < (long)header_length)
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC;
- b += FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH;
- if (memcmp(b, FLAC__OGG_MAPPING_MAGIC, FLAC__OGG_MAPPING_MAGIC_LENGTH))
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC;
- b += FLAC__OGG_MAPPING_MAGIC_LENGTH;
- aspect->version_major = (unsigned)(*b);
- b += FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH;
- aspect->version_minor = (unsigned)(*b);
- if (aspect->version_major != 1)
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION;
- aspect->working_packet.packet += header_length;
- aspect->working_packet.bytes -= header_length;
- }
- }
- else if (ret == 0) {
- aspect->have_working_page = false;
- }
- else { /* ret < 0 */
- /* lost sync, we'll leave the working page for the next call */
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC;
- }
- }
- }
- else {
- /* try and get another page */
- const int ret = ogg_sync_pageout(&aspect->sync_state, &aspect->working_page);
- if (ret > 0) {
- /* got a page, grab the serial number if necessary */
- if(aspect->need_serial_number) {
- aspect->stream_state.serialno = aspect->serial_number = ogg_page_serialno(&aspect->working_page);
- aspect->need_serial_number = false;
- }
- if(ogg_stream_pagein(&aspect->stream_state, &aspect->working_page) == 0) {
- aspect->have_working_page = true;
- aspect->have_working_packet = false;
- }
- /* else do nothing, could be a page from another stream */
- }
- else if (ret == 0) {
- /* need more data */
- const size_t ogg_bytes_to_read = flac_max(bytes_requested - *bytes, OGG_BYTES_CHUNK);
- char *oggbuf = ogg_sync_buffer(&aspect->sync_state, ogg_bytes_to_read);
-
- if(0 == oggbuf) {
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR;
- }
- else {
- size_t ogg_bytes_read = ogg_bytes_to_read;
-
- switch(read_callback(decoder, (FLAC__byte*)oggbuf, &ogg_bytes_read, client_data)) {
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK:
- break;
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM:
- aspect->end_of_stream = true;
- break;
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT:
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT;
- default:
- FLAC__ASSERT(0);
- }
-
- if(ogg_sync_wrote(&aspect->sync_state, ogg_bytes_read) < 0) {
- /* double protection; this will happen if the read callback returns more bytes than the max requested, which would overflow Ogg's internal buffer */
- FLAC__ASSERT(0);
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR;
- }
- }
- }
- else { /* ret < 0 */
- /* lost sync, bail out */
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC;
- }
- }
- }
-
- if (aspect->end_of_stream && *bytes == 0) {
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM;
- }
-
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/ogg_encoder_aspect.c b/deps/flac-1.3.2/src/libFLAC/ogg_encoder_aspect.c
deleted file mode 100644
index ebd4614..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ogg_encoder_aspect.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2002-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h> /* for memset() */
-#include "FLAC/assert.h"
-#include "private/ogg_encoder_aspect.h"
-#include "private/ogg_mapping.h"
-
-static const FLAC__byte FLAC__OGG_MAPPING_VERSION_MAJOR = 1;
-static const FLAC__byte FLAC__OGG_MAPPING_VERSION_MINOR = 0;
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect)
-{
- /* we will determine the serial number later if necessary */
- if(ogg_stream_init(&aspect->stream_state, aspect->serial_number) != 0)
- return false;
-
- aspect->seen_magic = false;
- aspect->is_first_packet = true;
- aspect->samples_written = 0;
-
- return true;
-}
-
-void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect)
-{
- (void)ogg_stream_clear(&aspect->stream_state);
- /*@@@ what about the page? */
-}
-
-void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value)
-{
- aspect->serial_number = value;
-}
-
-FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, unsigned value)
-{
- if(value < (1u << FLAC__OGG_MAPPING_NUM_HEADERS_LEN)) {
- aspect->num_metadata = value;
- return true;
- }
- else
- return false;
-}
-
-void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect)
-{
- aspect->serial_number = 0;
- aspect->num_metadata = 0;
-}
-
-/*
- * The basic FLAC -> Ogg mapping goes like this:
- *
- * - 'fLaC' magic and STREAMINFO block get combined into the first
- * packet. The packet is prefixed with
- * + the one-byte packet type 0x7F
- * + 'FLAC' magic
- * + the 2 byte Ogg FLAC mapping version number
- * + tne 2 byte big-endian # of header packets
- * - The first packet is flushed to the first page.
- * - Each subsequent metadata block goes into its own packet.
- * - Each metadata packet is flushed to page (this is not required,
- * the mapping only requires that a flush must occur after all
- * metadata is written).
- * - Each subsequent FLAC audio frame goes into its own packet.
- *
- * WATCHOUT:
- * This depends on the behavior of FLAC__StreamEncoder that we get a
- * separate write callback for the fLaC magic, and then separate write
- * callbacks for each metadata block and audio frame.
- */
-FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data)
-{
- /* WATCHOUT:
- * This depends on the behavior of FLAC__StreamEncoder that 'samples'
- * will be 0 for metadata writes.
- */
- const FLAC__bool is_metadata = (samples == 0);
-
- /*
- * Treat fLaC magic packet specially. We will note when we see it, then
- * wait until we get the STREAMINFO and prepend it in that packet
- */
- if(aspect->seen_magic) {
- ogg_packet packet;
- FLAC__byte synthetic_first_packet_body[
- FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH +
- FLAC__OGG_MAPPING_MAGIC_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH +
- FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH +
- FLAC__STREAM_SYNC_LENGTH +
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- FLAC__STREAM_METADATA_STREAMINFO_LENGTH
- ];
-
- memset(&packet, 0, sizeof(packet));
- packet.granulepos = aspect->samples_written + samples;
-
- if(aspect->is_first_packet) {
- FLAC__byte *b = synthetic_first_packet_body;
- if(bytes != FLAC__STREAM_METADATA_HEADER_LENGTH + FLAC__STREAM_METADATA_STREAMINFO_LENGTH) {
- /*
- * If we get here, our assumption about the way write callbacks happen
- * (explained above) is wrong
- */
- FLAC__ASSERT(0);
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
- /* add first header packet type */
- *b = FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE;
- b += FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH;
- /* add 'FLAC' mapping magic */
- memcpy(b, FLAC__OGG_MAPPING_MAGIC, FLAC__OGG_MAPPING_MAGIC_LENGTH);
- b += FLAC__OGG_MAPPING_MAGIC_LENGTH;
- /* add Ogg FLAC mapping major version number */
- memcpy(b, &FLAC__OGG_MAPPING_VERSION_MAJOR, FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH);
- b += FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH;
- /* add Ogg FLAC mapping minor version number */
- memcpy(b, &FLAC__OGG_MAPPING_VERSION_MINOR, FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH);
- b += FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH;
- /* add number of header packets */
- *b = (FLAC__byte)(aspect->num_metadata >> 8);
- b++;
- *b = (FLAC__byte)(aspect->num_metadata);
- b++;
- /* add native FLAC 'fLaC' magic */
- memcpy(b, FLAC__STREAM_SYNC_STRING, FLAC__STREAM_SYNC_LENGTH);
- b += FLAC__STREAM_SYNC_LENGTH;
- /* add STREAMINFO */
- memcpy(b, buffer, bytes);
- FLAC__ASSERT(b + bytes - synthetic_first_packet_body == sizeof(synthetic_first_packet_body));
- packet.packet = (unsigned char *)synthetic_first_packet_body;
- packet.bytes = sizeof(synthetic_first_packet_body);
-
- packet.b_o_s = 1;
- aspect->is_first_packet = false;
- }
- else {
- packet.packet = (unsigned char *)buffer;
- packet.bytes = bytes;
- }
-
- if(is_last_block) {
- /* we used to check:
- * FLAC__ASSERT(total_samples_estimate == 0 || total_samples_estimate == aspect->samples_written + samples);
- * but it's really not useful since total_samples_estimate is an estimate and can be inexact
- */
- packet.e_o_s = 1;
- }
-
- if(ogg_stream_packetin(&aspect->stream_state, &packet) != 0)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
-
- /*@@@ can't figure out a way to pass a useful number for 'samples' to the write_callback, so we'll just pass 0 */
- if(is_metadata) {
- while(ogg_stream_flush(&aspect->stream_state, &aspect->page) != 0) {
- if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
- }
- else {
- while(ogg_stream_pageout(&aspect->stream_state, &aspect->page) != 0) {
- if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
- }
- }
- else if(is_metadata && current_frame == 0 && samples == 0 && bytes == 4 && 0 == memcmp(buffer, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING))) {
- aspect->seen_magic = true;
- }
- else {
- /*
- * If we get here, our assumption about the way write callbacks happen
- * explained above is wrong
- */
- FLAC__ASSERT(0);
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
-
- aspect->samples_written += samples;
-
- return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/ogg_helper.c b/deps/flac-1.3.2/src/libFLAC/ogg_helper.c
deleted file mode 100644
index 7ca9160..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ogg_helper.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2004-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h> /* for malloc() */
-#include <string.h> /* for memcmp(), memcpy() */
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-#include "private/ogg_helper.h"
-#include "protected/stream_encoder.h"
-
-
-static FLAC__bool full_read_(FLAC__StreamEncoder *encoder, FLAC__byte *buffer, size_t bytes, FLAC__StreamEncoderReadCallback read_callback, void *client_data)
-{
- while(bytes > 0) {
- size_t bytes_read = bytes;
- switch(read_callback(encoder, buffer, &bytes_read, client_data)) {
- case FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE:
- bytes -= bytes_read;
- buffer += bytes_read;
- break;
- case FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM:
- if(bytes_read == 0) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
- bytes -= bytes_read;
- buffer += bytes_read;
- break;
- case FLAC__STREAM_ENCODER_READ_STATUS_ABORT:
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- case FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED:
- return false;
- default:
- /* double protection: */
- FLAC__ASSERT(0);
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
- }
-
- return true;
-}
-
-void simple_ogg_page__init(ogg_page *page)
-{
- page->header = 0;
- page->header_len = 0;
- page->body = 0;
- page->body_len = 0;
-}
-
-void simple_ogg_page__clear(ogg_page *page)
-{
- if(page->header)
- free(page->header);
- if(page->body)
- free(page->body);
- simple_ogg_page__init(page);
-}
-
-FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data)
-{
- static const unsigned OGG_HEADER_FIXED_PORTION_LEN = 27;
- static const unsigned OGG_MAX_HEADER_LEN = 27/*OGG_HEADER_FIXED_PORTION_LEN*/ + 255;
- FLAC__byte crc[4];
- FLAC__StreamEncoderSeekStatus seek_status;
-
- FLAC__ASSERT(page->header == 0);
- FLAC__ASSERT(page->header_len == 0);
- FLAC__ASSERT(page->body == 0);
- FLAC__ASSERT(page->body_len == 0);
-
- /* move the stream pointer to the supposed beginning of the page */
- if(0 == seek_callback)
- return false;
- if((seek_status = seek_callback((FLAC__StreamEncoder*)encoder, position, client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- /* allocate space for the page header */
- if(0 == (page->header = safe_malloc_(OGG_MAX_HEADER_LEN))) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /* read in the fixed part of the page header (up to but not including
- * the segment table */
- if(!full_read_(encoder, page->header, OGG_HEADER_FIXED_PORTION_LEN, read_callback, client_data))
- return false;
-
- page->header_len = OGG_HEADER_FIXED_PORTION_LEN + page->header[26];
-
- /* check to see if it's a correct, "simple" page (one packet only) */
- if(
- memcmp(page->header, "OggS", 4) || /* doesn't start with OggS */
- (page->header[5] & 0x01) || /* continued packet */
- memcmp(page->header+6, "\0\0\0\0\0\0\0\0", 8) || /* granulepos is non-zero */
- page->header[26] == 0 /* packet is 0-size */
- ) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
-
- /* read in the segment table */
- if(!full_read_(encoder, page->header + OGG_HEADER_FIXED_PORTION_LEN, page->header[26], read_callback, client_data))
- return false;
-
- {
- unsigned i;
-
- /* check to see that it specifies a single packet */
- for(i = 0; i < (unsigned)page->header[26] - 1; i++) {
- if(page->header[i + OGG_HEADER_FIXED_PORTION_LEN] != 255) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
- }
-
- page->body_len = 255 * i + page->header[i + OGG_HEADER_FIXED_PORTION_LEN];
- }
-
- /* allocate space for the page body */
- if(0 == (page->body = safe_malloc_(page->body_len))) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /* read in the page body */
- if(!full_read_(encoder, page->body, page->body_len, read_callback, client_data))
- return false;
-
- /* check the CRC */
- memcpy(crc, page->header+22, 4);
- ogg_page_checksum_set(page);
- if(memcmp(crc, page->header+22, 4)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data)
-{
- FLAC__StreamEncoderSeekStatus seek_status;
-
- FLAC__ASSERT(page->header != 0);
- FLAC__ASSERT(page->header_len != 0);
- FLAC__ASSERT(page->body != 0);
- FLAC__ASSERT(page->body_len != 0);
-
- /* move the stream pointer to the supposed beginning of the page */
- if(0 == seek_callback)
- return false;
- if((seek_status = seek_callback((FLAC__StreamEncoder*)encoder, position, client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- ogg_page_checksum_set(page);
-
- /* re-write the page */
- if(write_callback((FLAC__StreamEncoder*)encoder, page->header, page->header_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
- if(write_callback((FLAC__StreamEncoder*)encoder, page->body, page->body_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- return true;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/ogg_mapping.c b/deps/flac-1.3.2/src/libFLAC/ogg_mapping.c
deleted file mode 100644
index 08fa514..0000000
--- a/deps/flac-1.3.2/src/libFLAC/ogg_mapping.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2004-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/ogg_mapping.h"
-
-const unsigned FLAC__OGG_MAPPING_PACKET_TYPE_LEN = 8; /* bits */
-
-const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE = 0x7f;
-
-const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC = (const FLAC__byte * const)"FLAC";
-
-const unsigned FLAC__OGG_MAPPING_VERSION_MAJOR_LEN = 8; /* bits */
-const unsigned FLAC__OGG_MAPPING_VERSION_MINOR_LEN = 8; /* bits */
-
-const unsigned FLAC__OGG_MAPPING_NUM_HEADERS_LEN = 16; /* bits */
diff --git a/deps/flac-1.3.2/src/libFLAC/stream_decoder.c b/deps/flac-1.3.2/src/libFLAC/stream_decoder.c
deleted file mode 100644
index d364b0c..0000000
--- a/deps/flac-1.3.2/src/libFLAC/stream_decoder.c
+++ /dev/null
@@ -1,3400 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h> /* for malloc() */
-#include <string.h> /* for memset/memcpy() */
-#include <sys/stat.h> /* for stat() */
-#include <sys/types.h> /* for off_t */
-#include "share/compat.h"
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-#include "protected/stream_decoder.h"
-#include "private/bitreader.h"
-#include "private/bitmath.h"
-#include "private/cpu.h"
-#include "private/crc.h"
-#include "private/fixed.h"
-#include "private/format.h"
-#include "private/lpc.h"
-#include "private/md5.h"
-#include "private/memory.h"
-#include "private/macros.h"
-
-
-/* technically this should be in an "export.c" but this is convenient enough */
-FLAC_API int FLAC_API_SUPPORTS_OGG_FLAC = FLAC__HAS_OGG;
-
-
-/***********************************************************************
- *
- * Private static data
- *
- ***********************************************************************/
-
-static const FLAC__byte ID3V2_TAG_[3] = { 'I', 'D', '3' };
-
-/***********************************************************************
- *
- * Private class method prototypes
- *
- ***********************************************************************/
-
-static void set_defaults_(FLAC__StreamDecoder *decoder);
-static FILE *get_binary_stdin_(void);
-static FLAC__bool allocate_output_(FLAC__StreamDecoder *decoder, unsigned size, unsigned channels);
-static FLAC__bool has_id_filtered_(FLAC__StreamDecoder *decoder, FLAC__byte *id);
-static FLAC__bool find_metadata_(FLAC__StreamDecoder *decoder);
-static FLAC__bool read_metadata_(FLAC__StreamDecoder *decoder);
-static FLAC__bool read_metadata_streaminfo_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, unsigned length);
-static FLAC__bool read_metadata_seektable_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, unsigned length);
-static FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_VorbisComment *obj, unsigned length);
-static FLAC__bool read_metadata_cuesheet_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_CueSheet *obj);
-static FLAC__bool read_metadata_picture_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_Picture *obj);
-static FLAC__bool skip_id3v2_tag_(FLAC__StreamDecoder *decoder);
-static FLAC__bool frame_sync_(FLAC__StreamDecoder *decoder);
-static FLAC__bool read_frame_(FLAC__StreamDecoder *decoder, FLAC__bool *got_a_frame, FLAC__bool do_full_decode);
-static FLAC__bool read_frame_header_(FLAC__StreamDecoder *decoder);
-static FLAC__bool read_subframe_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, FLAC__bool do_full_decode);
-static FLAC__bool read_subframe_constant_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, FLAC__bool do_full_decode);
-static FLAC__bool read_subframe_fixed_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, const unsigned order, FLAC__bool do_full_decode);
-static FLAC__bool read_subframe_lpc_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, const unsigned order, FLAC__bool do_full_decode);
-static FLAC__bool read_subframe_verbatim_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, FLAC__bool do_full_decode);
-static FLAC__bool read_residual_partitioned_rice_(FLAC__StreamDecoder *decoder, unsigned predictor_order, unsigned partition_order, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, FLAC__int32 *residual, FLAC__bool is_extended);
-static FLAC__bool read_zero_padding_(FLAC__StreamDecoder *decoder);
-static FLAC__bool read_callback_(FLAC__byte buffer[], size_t *bytes, void *client_data);
-#if FLAC__HAS_OGG
-static FLAC__StreamDecoderReadStatus read_callback_ogg_aspect_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes);
-static FLAC__OggDecoderAspectReadStatus read_callback_proxy_(const void *void_decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
-#endif
-static FLAC__StreamDecoderWriteStatus write_audio_frame_to_client_(FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[]);
-static void send_error_to_client_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status);
-static FLAC__bool seek_to_absolute_sample_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample);
-#if FLAC__HAS_OGG
-static FLAC__bool seek_to_absolute_sample_ogg_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample);
-#endif
-static FLAC__StreamDecoderReadStatus file_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
-static FLAC__StreamDecoderSeekStatus file_seek_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data);
-static FLAC__StreamDecoderTellStatus file_tell_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
-static FLAC__StreamDecoderLengthStatus file_length_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data);
-static FLAC__bool file_eof_callback_(const FLAC__StreamDecoder *decoder, void *client_data);
-
-/***********************************************************************
- *
- * Private class data
- *
- ***********************************************************************/
-
-typedef struct FLAC__StreamDecoderPrivate {
- FLAC__bool is_ogg;
- FLAC__StreamDecoderReadCallback read_callback;
- FLAC__StreamDecoderSeekCallback seek_callback;
- FLAC__StreamDecoderTellCallback tell_callback;
- FLAC__StreamDecoderLengthCallback length_callback;
- FLAC__StreamDecoderEofCallback eof_callback;
- FLAC__StreamDecoderWriteCallback write_callback;
- FLAC__StreamDecoderMetadataCallback metadata_callback;
- FLAC__StreamDecoderErrorCallback error_callback;
- /* generic 32-bit datapath: */
- void (*local_lpc_restore_signal)(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
- /* generic 64-bit datapath: */
- void (*local_lpc_restore_signal_64bit)(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
- /* for use when the signal is <= 16 bits-per-sample, or <= 15 bits-per-sample on a side channel (which requires 1 extra bit): */
- void (*local_lpc_restore_signal_16bit)(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]);
- void *client_data;
- FILE *file; /* only used if FLAC__stream_decoder_init_file()/FLAC__stream_decoder_init_file() called, else NULL */
- FLAC__BitReader *input;
- FLAC__int32 *output[FLAC__MAX_CHANNELS];
- FLAC__int32 *residual[FLAC__MAX_CHANNELS]; /* WATCHOUT: these are the aligned pointers; the real pointers that should be free()'d are residual_unaligned[] below */
- FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents[FLAC__MAX_CHANNELS];
- unsigned output_capacity, output_channels;
- FLAC__uint32 fixed_block_size, next_fixed_block_size;
- FLAC__uint64 samples_decoded;
- FLAC__bool has_stream_info, has_seek_table;
- FLAC__StreamMetadata stream_info;
- FLAC__StreamMetadata seek_table;
- FLAC__bool metadata_filter[128]; /* MAGIC number 128 == total number of metadata block types == 1 << 7 */
- FLAC__byte *metadata_filter_ids;
- size_t metadata_filter_ids_count, metadata_filter_ids_capacity; /* units for both are IDs, not bytes */
- FLAC__Frame frame;
- FLAC__bool cached; /* true if there is a byte in lookahead */
- FLAC__CPUInfo cpuinfo;
- FLAC__byte header_warmup[2]; /* contains the sync code and reserved bits */
- FLAC__byte lookahead; /* temp storage when we need to look ahead one byte in the stream */
- /* unaligned (original) pointers to allocated data */
- FLAC__int32 *residual_unaligned[FLAC__MAX_CHANNELS];
- FLAC__bool do_md5_checking; /* initially gets protected_->md5_checking but is turned off after a seek or if the metadata has a zero MD5 */
- FLAC__bool internal_reset_hack; /* used only during init() so we can call reset to set up the decoder without rewinding the input */
- FLAC__bool is_seeking;
- FLAC__MD5Context md5context;
- FLAC__byte computed_md5sum[16]; /* this is the sum we computed from the decoded data */
- /* (the rest of these are only used for seeking) */
- FLAC__Frame last_frame; /* holds the info of the last frame we seeked to */
- FLAC__uint64 first_frame_offset; /* hint to the seek routine of where in the stream the first audio frame starts */
- FLAC__uint64 target_sample;
- unsigned unparseable_frame_count; /* used to tell whether we're decoding a future version of FLAC or just got a bad sync */
- FLAC__bool got_a_frame; /* hack needed in Ogg FLAC seek routine to check when process_single() actually writes a frame */
-} FLAC__StreamDecoderPrivate;
-
-/***********************************************************************
- *
- * Public static class data
- *
- ***********************************************************************/
-
-FLAC_API const char * const FLAC__StreamDecoderStateString[] = {
- "FLAC__STREAM_DECODER_SEARCH_FOR_METADATA",
- "FLAC__STREAM_DECODER_READ_METADATA",
- "FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC",
- "FLAC__STREAM_DECODER_READ_FRAME",
- "FLAC__STREAM_DECODER_END_OF_STREAM",
- "FLAC__STREAM_DECODER_OGG_ERROR",
- "FLAC__STREAM_DECODER_SEEK_ERROR",
- "FLAC__STREAM_DECODER_ABORTED",
- "FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR",
- "FLAC__STREAM_DECODER_UNINITIALIZED"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderInitStatusString[] = {
- "FLAC__STREAM_DECODER_INIT_STATUS_OK",
- "FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER",
- "FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS",
- "FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR",
- "FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE",
- "FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderReadStatusString[] = {
- "FLAC__STREAM_DECODER_READ_STATUS_CONTINUE",
- "FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM",
- "FLAC__STREAM_DECODER_READ_STATUS_ABORT"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderSeekStatusString[] = {
- "FLAC__STREAM_DECODER_SEEK_STATUS_OK",
- "FLAC__STREAM_DECODER_SEEK_STATUS_ERROR",
- "FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderTellStatusString[] = {
- "FLAC__STREAM_DECODER_TELL_STATUS_OK",
- "FLAC__STREAM_DECODER_TELL_STATUS_ERROR",
- "FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderLengthStatusString[] = {
- "FLAC__STREAM_DECODER_LENGTH_STATUS_OK",
- "FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR",
- "FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderWriteStatusString[] = {
- "FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE",
- "FLAC__STREAM_DECODER_WRITE_STATUS_ABORT"
-};
-
-FLAC_API const char * const FLAC__StreamDecoderErrorStatusString[] = {
- "FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC",
- "FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER",
- "FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH",
- "FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM"
-};
-
-/***********************************************************************
- *
- * Class constructor/destructor
- *
- ***********************************************************************/
-FLAC_API FLAC__StreamDecoder *FLAC__stream_decoder_new(void)
-{
- FLAC__StreamDecoder *decoder;
- unsigned i;
-
- FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */
-
- decoder = calloc(1, sizeof(FLAC__StreamDecoder));
- if(decoder == 0) {
- return 0;
- }
-
- decoder->protected_ = calloc(1, sizeof(FLAC__StreamDecoderProtected));
- if(decoder->protected_ == 0) {
- free(decoder);
- return 0;
- }
-
- decoder->private_ = calloc(1, sizeof(FLAC__StreamDecoderPrivate));
- if(decoder->private_ == 0) {
- free(decoder->protected_);
- free(decoder);
- return 0;
- }
-
- decoder->private_->input = FLAC__bitreader_new();
- if(decoder->private_->input == 0) {
- free(decoder->private_);
- free(decoder->protected_);
- free(decoder);
- return 0;
- }
-
- decoder->private_->metadata_filter_ids_capacity = 16;
- if(0 == (decoder->private_->metadata_filter_ids = malloc((FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) * decoder->private_->metadata_filter_ids_capacity))) {
- FLAC__bitreader_delete(decoder->private_->input);
- free(decoder->private_);
- free(decoder->protected_);
- free(decoder);
- return 0;
- }
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- decoder->private_->output[i] = 0;
- decoder->private_->residual_unaligned[i] = decoder->private_->residual[i] = 0;
- }
-
- decoder->private_->output_capacity = 0;
- decoder->private_->output_channels = 0;
- decoder->private_->has_seek_table = false;
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++)
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&decoder->private_->partitioned_rice_contents[i]);
-
- decoder->private_->file = 0;
-
- set_defaults_(decoder);
-
- decoder->protected_->state = FLAC__STREAM_DECODER_UNINITIALIZED;
-
- return decoder;
-}
-
-FLAC_API void FLAC__stream_decoder_delete(FLAC__StreamDecoder *decoder)
-{
- unsigned i;
-
- if (decoder == NULL)
- return ;
-
- FLAC__ASSERT(0 != decoder->protected_);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->private_->input);
-
- (void)FLAC__stream_decoder_finish(decoder);
-
- if(0 != decoder->private_->metadata_filter_ids)
- free(decoder->private_->metadata_filter_ids);
-
- FLAC__bitreader_delete(decoder->private_->input);
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++)
- FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&decoder->private_->partitioned_rice_contents[i]);
-
- free(decoder->private_);
- free(decoder->protected_);
- free(decoder);
-}
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-static FLAC__StreamDecoderInitStatus init_stream_internal_(
- FLAC__StreamDecoder *decoder,
- FLAC__StreamDecoderReadCallback read_callback,
- FLAC__StreamDecoderSeekCallback seek_callback,
- FLAC__StreamDecoderTellCallback tell_callback,
- FLAC__StreamDecoderLengthCallback length_callback,
- FLAC__StreamDecoderEofCallback eof_callback,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data,
- FLAC__bool is_ogg
-)
-{
- FLAC__ASSERT(0 != decoder);
-
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED;
-
- if(FLAC__HAS_OGG == 0 && is_ogg)
- return FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER;
-
- if(
- 0 == read_callback ||
- 0 == write_callback ||
- 0 == error_callback ||
- (seek_callback && (0 == tell_callback || 0 == length_callback || 0 == eof_callback))
- )
- return FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS;
-
-#if FLAC__HAS_OGG
- decoder->private_->is_ogg = is_ogg;
- if(is_ogg && !FLAC__ogg_decoder_aspect_init(&decoder->protected_->ogg_decoder_aspect))
- return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE;
-#endif
-
- /*
- * get the CPU info and set the function pointers
- */
- FLAC__cpu_info(&decoder->private_->cpuinfo);
- /* first default to the non-asm routines */
- decoder->private_->local_lpc_restore_signal = FLAC__lpc_restore_signal;
- decoder->private_->local_lpc_restore_signal_64bit = FLAC__lpc_restore_signal_wide;
- decoder->private_->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal;
- /* now override with asm where appropriate */
-#ifndef FLAC__NO_ASM
- if(decoder->private_->cpuinfo.use_asm) {
-#ifdef FLAC__CPU_IA32
- FLAC__ASSERT(decoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32);
-#ifdef FLAC__HAS_NASM
- decoder->private_->local_lpc_restore_signal_64bit = FLAC__lpc_restore_signal_wide_asm_ia32; /* OPT_IA32: was really necessary for GCC < 4.9 */
- if(decoder->private_->cpuinfo.ia32.mmx) {
- decoder->private_->local_lpc_restore_signal = FLAC__lpc_restore_signal_asm_ia32;
- decoder->private_->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal_asm_ia32_mmx;
- }
- else {
- decoder->private_->local_lpc_restore_signal = FLAC__lpc_restore_signal_asm_ia32;
- decoder->private_->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal_asm_ia32;
- }
-#endif
-#if FLAC__HAS_X86INTRIN && ! defined FLAC__INTEGER_ONLY_LIBRARY
-# if defined FLAC__SSE2_SUPPORTED && !defined FLAC__HAS_NASM /* OPT_SSE: not better than MMX asm */
- if(decoder->private_->cpuinfo.ia32.sse2) {
- decoder->private_->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal_16_intrin_sse2;
- }
-# endif
-# if defined FLAC__SSE4_1_SUPPORTED
- if(decoder->private_->cpuinfo.ia32.sse41) {
- decoder->private_->local_lpc_restore_signal_64bit = FLAC__lpc_restore_signal_wide_intrin_sse41;
- }
-# endif
-#endif
-#elif defined FLAC__CPU_X86_64
- FLAC__ASSERT(decoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_X86_64);
- /* No useful SSE optimizations yet */
-#endif
- }
-#endif
-
- /* from here on, errors are fatal */
-
- if(!FLAC__bitreader_init(decoder->private_->input, read_callback_, decoder)) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR;
- }
-
- decoder->private_->read_callback = read_callback;
- decoder->private_->seek_callback = seek_callback;
- decoder->private_->tell_callback = tell_callback;
- decoder->private_->length_callback = length_callback;
- decoder->private_->eof_callback = eof_callback;
- decoder->private_->write_callback = write_callback;
- decoder->private_->metadata_callback = metadata_callback;
- decoder->private_->error_callback = error_callback;
- decoder->private_->client_data = client_data;
- decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size = 0;
- decoder->private_->samples_decoded = 0;
- decoder->private_->has_stream_info = false;
- decoder->private_->cached = false;
-
- decoder->private_->do_md5_checking = decoder->protected_->md5_checking;
- decoder->private_->is_seeking = false;
-
- decoder->private_->internal_reset_hack = true; /* so the following reset does not try to rewind the input */
- if(!FLAC__stream_decoder_reset(decoder)) {
- /* above call sets the state for us */
- return FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR;
- }
-
- return FLAC__STREAM_DECODER_INIT_STATUS_OK;
-}
-
-FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_stream(
- FLAC__StreamDecoder *decoder,
- FLAC__StreamDecoderReadCallback read_callback,
- FLAC__StreamDecoderSeekCallback seek_callback,
- FLAC__StreamDecoderTellCallback tell_callback,
- FLAC__StreamDecoderLengthCallback length_callback,
- FLAC__StreamDecoderEofCallback eof_callback,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data
-)
-{
- return init_stream_internal_(
- decoder,
- read_callback,
- seek_callback,
- tell_callback,
- length_callback,
- eof_callback,
- write_callback,
- metadata_callback,
- error_callback,
- client_data,
- /*is_ogg=*/false
- );
-}
-
-FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_ogg_stream(
- FLAC__StreamDecoder *decoder,
- FLAC__StreamDecoderReadCallback read_callback,
- FLAC__StreamDecoderSeekCallback seek_callback,
- FLAC__StreamDecoderTellCallback tell_callback,
- FLAC__StreamDecoderLengthCallback length_callback,
- FLAC__StreamDecoderEofCallback eof_callback,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data
-)
-{
- return init_stream_internal_(
- decoder,
- read_callback,
- seek_callback,
- tell_callback,
- length_callback,
- eof_callback,
- write_callback,
- metadata_callback,
- error_callback,
- client_data,
- /*is_ogg=*/true
- );
-}
-
-static FLAC__StreamDecoderInitStatus init_FILE_internal_(
- FLAC__StreamDecoder *decoder,
- FILE *file,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data,
- FLAC__bool is_ogg
-)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != file);
-
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED;
-
- if(0 == write_callback || 0 == error_callback)
- return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS;
-
- /*
- * To make sure that our file does not go unclosed after an error, we
- * must assign the FILE pointer before any further error can occur in
- * this routine.
- */
- if(file == stdin)
- file = get_binary_stdin_(); /* just to be safe */
-
- decoder->private_->file = file;
-
- return init_stream_internal_(
- decoder,
- file_read_callback_,
- decoder->private_->file == stdin? 0: file_seek_callback_,
- decoder->private_->file == stdin? 0: file_tell_callback_,
- decoder->private_->file == stdin? 0: file_length_callback_,
- file_eof_callback_,
- write_callback,
- metadata_callback,
- error_callback,
- client_data,
- is_ogg
- );
-}
-
-FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_FILE(
- FLAC__StreamDecoder *decoder,
- FILE *file,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data
-)
-{
- return init_FILE_internal_(decoder, file, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/false);
-}
-
-FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_ogg_FILE(
- FLAC__StreamDecoder *decoder,
- FILE *file,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data
-)
-{
- return init_FILE_internal_(decoder, file, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/true);
-}
-
-static FLAC__StreamDecoderInitStatus init_file_internal_(
- FLAC__StreamDecoder *decoder,
- const char *filename,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data,
- FLAC__bool is_ogg
-)
-{
- FILE *file;
-
- FLAC__ASSERT(0 != decoder);
-
- /*
- * To make sure that our file does not go unclosed after an error, we
- * have to do the same entrance checks here that are later performed
- * in FLAC__stream_decoder_init_FILE() before the FILE* is assigned.
- */
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED;
-
- if(0 == write_callback || 0 == error_callback)
- return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS;
-
- file = filename? flac_fopen(filename, "rb") : stdin;
-
- if(0 == file)
- return FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE;
-
- return init_FILE_internal_(decoder, file, write_callback, metadata_callback, error_callback, client_data, is_ogg);
-}
-
-FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_file(
- FLAC__StreamDecoder *decoder,
- const char *filename,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data
-)
-{
- return init_file_internal_(decoder, filename, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/false);
-}
-
-FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_ogg_file(
- FLAC__StreamDecoder *decoder,
- const char *filename,
- FLAC__StreamDecoderWriteCallback write_callback,
- FLAC__StreamDecoderMetadataCallback metadata_callback,
- FLAC__StreamDecoderErrorCallback error_callback,
- void *client_data
-)
-{
- return init_file_internal_(decoder, filename, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/true);
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_finish(FLAC__StreamDecoder *decoder)
-{
- FLAC__bool md5_failed = false;
- unsigned i;
-
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
-
- if(decoder->protected_->state == FLAC__STREAM_DECODER_UNINITIALIZED)
- return true;
-
- /* see the comment in FLAC__stream_decoder_reset() as to why we
- * always call FLAC__MD5Final()
- */
- FLAC__MD5Final(decoder->private_->computed_md5sum, &decoder->private_->md5context);
-
- free(decoder->private_->seek_table.data.seek_table.points);
- decoder->private_->seek_table.data.seek_table.points = 0;
- decoder->private_->has_seek_table = false;
-
- FLAC__bitreader_free(decoder->private_->input);
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- /* WATCHOUT:
- * FLAC__lpc_restore_signal_asm_ia32_mmx() requires that the
- * output arrays have a buffer of up to 3 zeroes in front
- * (at negative indices) for alignment purposes; we use 4
- * to keep the data well-aligned.
- */
- if(0 != decoder->private_->output[i]) {
- free(decoder->private_->output[i]-4);
- decoder->private_->output[i] = 0;
- }
- if(0 != decoder->private_->residual_unaligned[i]) {
- free(decoder->private_->residual_unaligned[i]);
- decoder->private_->residual_unaligned[i] = decoder->private_->residual[i] = 0;
- }
- }
- decoder->private_->output_capacity = 0;
- decoder->private_->output_channels = 0;
-
-#if FLAC__HAS_OGG
- if(decoder->private_->is_ogg)
- FLAC__ogg_decoder_aspect_finish(&decoder->protected_->ogg_decoder_aspect);
-#endif
-
- if(0 != decoder->private_->file) {
- if(decoder->private_->file != stdin)
- fclose(decoder->private_->file);
- decoder->private_->file = 0;
- }
-
- if(decoder->private_->do_md5_checking) {
- if(memcmp(decoder->private_->stream_info.data.stream_info.md5sum, decoder->private_->computed_md5sum, 16))
- md5_failed = true;
- }
- decoder->private_->is_seeking = false;
-
- set_defaults_(decoder);
-
- decoder->protected_->state = FLAC__STREAM_DECODER_UNINITIALIZED;
-
- return !md5_failed;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_ogg_serial_number(FLAC__StreamDecoder *decoder, long value)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
-#if FLAC__HAS_OGG
- /* can't check decoder->private_->is_ogg since that's not set until init time */
- FLAC__ogg_decoder_aspect_set_serial_number(&decoder->protected_->ogg_decoder_aspect, value);
- return true;
-#else
- (void)value;
- return false;
-#endif
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_md5_checking(FLAC__StreamDecoder *decoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
- decoder->protected_->md5_checking = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_respond(FLAC__StreamDecoder *decoder, FLAC__MetadataType type)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- FLAC__ASSERT((unsigned)type <= FLAC__MAX_METADATA_TYPE_CODE);
- /* double protection */
- if((unsigned)type > FLAC__MAX_METADATA_TYPE_CODE)
- return false;
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
- decoder->private_->metadata_filter[type] = true;
- if(type == FLAC__METADATA_TYPE_APPLICATION)
- decoder->private_->metadata_filter_ids_count = 0;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_respond_application(FLAC__StreamDecoder *decoder, const FLAC__byte id[4])
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- FLAC__ASSERT(0 != id);
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
-
- if(decoder->private_->metadata_filter[FLAC__METADATA_TYPE_APPLICATION])
- return true;
-
- FLAC__ASSERT(0 != decoder->private_->metadata_filter_ids);
-
- if(decoder->private_->metadata_filter_ids_count == decoder->private_->metadata_filter_ids_capacity) {
- if(0 == (decoder->private_->metadata_filter_ids = safe_realloc_mul_2op_(decoder->private_->metadata_filter_ids, decoder->private_->metadata_filter_ids_capacity, /*times*/2))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- decoder->private_->metadata_filter_ids_capacity *= 2;
- }
-
- memcpy(decoder->private_->metadata_filter_ids + decoder->private_->metadata_filter_ids_count * (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), id, (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8));
- decoder->private_->metadata_filter_ids_count++;
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_respond_all(FLAC__StreamDecoder *decoder)
-{
- unsigned i;
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
- for(i = 0; i < sizeof(decoder->private_->metadata_filter) / sizeof(decoder->private_->metadata_filter[0]); i++)
- decoder->private_->metadata_filter[i] = true;
- decoder->private_->metadata_filter_ids_count = 0;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_ignore(FLAC__StreamDecoder *decoder, FLAC__MetadataType type)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- FLAC__ASSERT((unsigned)type <= FLAC__MAX_METADATA_TYPE_CODE);
- /* double protection */
- if((unsigned)type > FLAC__MAX_METADATA_TYPE_CODE)
- return false;
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
- decoder->private_->metadata_filter[type] = false;
- if(type == FLAC__METADATA_TYPE_APPLICATION)
- decoder->private_->metadata_filter_ids_count = 0;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_ignore_application(FLAC__StreamDecoder *decoder, const FLAC__byte id[4])
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- FLAC__ASSERT(0 != id);
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
-
- if(!decoder->private_->metadata_filter[FLAC__METADATA_TYPE_APPLICATION])
- return true;
-
- FLAC__ASSERT(0 != decoder->private_->metadata_filter_ids);
-
- if(decoder->private_->metadata_filter_ids_count == decoder->private_->metadata_filter_ids_capacity) {
- if(0 == (decoder->private_->metadata_filter_ids = safe_realloc_mul_2op_(decoder->private_->metadata_filter_ids, decoder->private_->metadata_filter_ids_capacity, /*times*/2))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- decoder->private_->metadata_filter_ids_capacity *= 2;
- }
-
- memcpy(decoder->private_->metadata_filter_ids + decoder->private_->metadata_filter_ids_count * (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), id, (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8));
- decoder->private_->metadata_filter_ids_count++;
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_ignore_all(FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
- if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
- memset(decoder->private_->metadata_filter, 0, sizeof(decoder->private_->metadata_filter));
- decoder->private_->metadata_filter_ids_count = 0;
- return true;
-}
-
-FLAC_API FLAC__StreamDecoderState FLAC__stream_decoder_get_state(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->state;
-}
-
-FLAC_API const char *FLAC__stream_decoder_get_resolved_state_string(const FLAC__StreamDecoder *decoder)
-{
- return FLAC__StreamDecoderStateString[decoder->protected_->state];
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_get_md5_checking(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->md5_checking;
-}
-
-FLAC_API FLAC__uint64 FLAC__stream_decoder_get_total_samples(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->private_->has_stream_info? decoder->private_->stream_info.data.stream_info.total_samples : 0;
-}
-
-FLAC_API unsigned FLAC__stream_decoder_get_channels(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->channels;
-}
-
-FLAC_API FLAC__ChannelAssignment FLAC__stream_decoder_get_channel_assignment(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->channel_assignment;
-}
-
-FLAC_API unsigned FLAC__stream_decoder_get_bits_per_sample(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->bits_per_sample;
-}
-
-FLAC_API unsigned FLAC__stream_decoder_get_sample_rate(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->sample_rate;
-}
-
-FLAC_API unsigned FLAC__stream_decoder_get_blocksize(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
- return decoder->protected_->blocksize;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_get_decode_position(const FLAC__StreamDecoder *decoder, FLAC__uint64 *position)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != position);
-
- if(FLAC__HAS_OGG && decoder->private_->is_ogg)
- return false;
-
- if(0 == decoder->private_->tell_callback)
- return false;
- if(decoder->private_->tell_callback(decoder, position, decoder->private_->client_data) != FLAC__STREAM_DECODER_TELL_STATUS_OK)
- return false;
- /* should never happen since all FLAC frames and metadata blocks are byte aligned, but check just in case */
- if(!FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input))
- return false;
- FLAC__ASSERT(*position >= FLAC__stream_decoder_get_input_bytes_unconsumed(decoder));
- *position -= FLAC__stream_decoder_get_input_bytes_unconsumed(decoder);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_flush(FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
-
- if(!decoder->private_->internal_reset_hack && decoder->protected_->state == FLAC__STREAM_DECODER_UNINITIALIZED)
- return false;
-
- decoder->private_->samples_decoded = 0;
- decoder->private_->do_md5_checking = false;
-
-#if FLAC__HAS_OGG
- if(decoder->private_->is_ogg)
- FLAC__ogg_decoder_aspect_flush(&decoder->protected_->ogg_decoder_aspect);
-#endif
-
- if(!FLAC__bitreader_clear(decoder->private_->input)) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_reset(FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
- FLAC__ASSERT(0 != decoder->protected_);
-
- if(!FLAC__stream_decoder_flush(decoder)) {
- /* above call sets the state for us */
- return false;
- }
-
-#if FLAC__HAS_OGG
- /*@@@ could go in !internal_reset_hack block below */
- if(decoder->private_->is_ogg)
- FLAC__ogg_decoder_aspect_reset(&decoder->protected_->ogg_decoder_aspect);
-#endif
-
- /* Rewind if necessary. If FLAC__stream_decoder_init() is calling us,
- * (internal_reset_hack) don't try to rewind since we are already at
- * the beginning of the stream and don't want to fail if the input is
- * not seekable.
- */
- if(!decoder->private_->internal_reset_hack) {
- if(decoder->private_->file == stdin)
- return false; /* can't rewind stdin, reset fails */
- if(decoder->private_->seek_callback && decoder->private_->seek_callback(decoder, 0, decoder->private_->client_data) == FLAC__STREAM_DECODER_SEEK_STATUS_ERROR)
- return false; /* seekable and seek fails, reset fails */
- }
- else
- decoder->private_->internal_reset_hack = false;
-
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_METADATA;
-
- decoder->private_->has_stream_info = false;
-
- free(decoder->private_->seek_table.data.seek_table.points);
- decoder->private_->seek_table.data.seek_table.points = 0;
- decoder->private_->has_seek_table = false;
-
- decoder->private_->do_md5_checking = decoder->protected_->md5_checking;
- /*
- * This goes in reset() and not flush() because according to the spec, a
- * fixed-blocksize stream must stay that way through the whole stream.
- */
- decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size = 0;
-
- /* We initialize the FLAC__MD5Context even though we may never use it. This
- * is because md5 checking may be turned on to start and then turned off if
- * a seek occurs. So we init the context here and finalize it in
- * FLAC__stream_decoder_finish() to make sure things are always cleaned up
- * properly.
- */
- FLAC__MD5Init(&decoder->private_->md5context);
-
- decoder->private_->first_frame_offset = 0;
- decoder->private_->unparseable_frame_count = 0;
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_process_single(FLAC__StreamDecoder *decoder)
-{
- FLAC__bool got_a_frame;
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
-
- while(1) {
- switch(decoder->protected_->state) {
- case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
- if(!find_metadata_(decoder))
- return false; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_READ_METADATA:
- if(!read_metadata_(decoder))
- return false; /* above function sets the status for us */
- else
- return true;
- case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC:
- if(!frame_sync_(decoder))
- return true; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_READ_FRAME:
- if(!read_frame_(decoder, &got_a_frame, /*do_full_decode=*/true))
- return false; /* above function sets the status for us */
- if(got_a_frame)
- return true; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_END_OF_STREAM:
- case FLAC__STREAM_DECODER_ABORTED:
- return true;
- default:
- FLAC__ASSERT(0);
- return false;
- }
- }
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_process_until_end_of_metadata(FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
-
- while(1) {
- switch(decoder->protected_->state) {
- case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
- if(!find_metadata_(decoder))
- return false; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_READ_METADATA:
- if(!read_metadata_(decoder))
- return false; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC:
- case FLAC__STREAM_DECODER_READ_FRAME:
- case FLAC__STREAM_DECODER_END_OF_STREAM:
- case FLAC__STREAM_DECODER_ABORTED:
- return true;
- default:
- FLAC__ASSERT(0);
- return false;
- }
- }
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_process_until_end_of_stream(FLAC__StreamDecoder *decoder)
-{
- FLAC__bool dummy;
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
-
- while(1) {
- switch(decoder->protected_->state) {
- case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
- if(!find_metadata_(decoder))
- return false; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_READ_METADATA:
- if(!read_metadata_(decoder))
- return false; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC:
- if(!frame_sync_(decoder))
- return true; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_READ_FRAME:
- if(!read_frame_(decoder, &dummy, /*do_full_decode=*/true))
- return false; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_END_OF_STREAM:
- case FLAC__STREAM_DECODER_ABORTED:
- return true;
- default:
- FLAC__ASSERT(0);
- return false;
- }
- }
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_skip_single_frame(FLAC__StreamDecoder *decoder)
-{
- FLAC__bool got_a_frame;
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->protected_);
-
- while(1) {
- switch(decoder->protected_->state) {
- case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
- case FLAC__STREAM_DECODER_READ_METADATA:
- return false; /* above function sets the status for us */
- case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC:
- if(!frame_sync_(decoder))
- return true; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_READ_FRAME:
- if(!read_frame_(decoder, &got_a_frame, /*do_full_decode=*/false))
- return false; /* above function sets the status for us */
- if(got_a_frame)
- return true; /* above function sets the status for us */
- break;
- case FLAC__STREAM_DECODER_END_OF_STREAM:
- case FLAC__STREAM_DECODER_ABORTED:
- return true;
- default:
- FLAC__ASSERT(0);
- return false;
- }
- }
-}
-
-FLAC_API FLAC__bool FLAC__stream_decoder_seek_absolute(FLAC__StreamDecoder *decoder, FLAC__uint64 sample)
-{
- FLAC__uint64 length;
-
- FLAC__ASSERT(0 != decoder);
-
- if(
- decoder->protected_->state != FLAC__STREAM_DECODER_SEARCH_FOR_METADATA &&
- decoder->protected_->state != FLAC__STREAM_DECODER_READ_METADATA &&
- decoder->protected_->state != FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC &&
- decoder->protected_->state != FLAC__STREAM_DECODER_READ_FRAME &&
- decoder->protected_->state != FLAC__STREAM_DECODER_END_OF_STREAM
- )
- return false;
-
- if(0 == decoder->private_->seek_callback)
- return false;
-
- FLAC__ASSERT(decoder->private_->seek_callback);
- FLAC__ASSERT(decoder->private_->tell_callback);
- FLAC__ASSERT(decoder->private_->length_callback);
- FLAC__ASSERT(decoder->private_->eof_callback);
-
- if(FLAC__stream_decoder_get_total_samples(decoder) > 0 && sample >= FLAC__stream_decoder_get_total_samples(decoder))
- return false;
-
- decoder->private_->is_seeking = true;
-
- /* turn off md5 checking if a seek is attempted */
- decoder->private_->do_md5_checking = false;
-
- /* get the file length (currently our algorithm needs to know the length so it's also an error to get FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED) */
- if(decoder->private_->length_callback(decoder, &length, decoder->private_->client_data) != FLAC__STREAM_DECODER_LENGTH_STATUS_OK) {
- decoder->private_->is_seeking = false;
- return false;
- }
-
- /* if we haven't finished processing the metadata yet, do that so we have the STREAMINFO, SEEK_TABLE, and first_frame_offset */
- if(
- decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA ||
- decoder->protected_->state == FLAC__STREAM_DECODER_READ_METADATA
- ) {
- if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder)) {
- /* above call sets the state for us */
- decoder->private_->is_seeking = false;
- return false;
- }
- /* check this again in case we didn't know total_samples the first time */
- if(FLAC__stream_decoder_get_total_samples(decoder) > 0 && sample >= FLAC__stream_decoder_get_total_samples(decoder)) {
- decoder->private_->is_seeking = false;
- return false;
- }
- }
-
- {
- const FLAC__bool ok =
-#if FLAC__HAS_OGG
- decoder->private_->is_ogg?
- seek_to_absolute_sample_ogg_(decoder, length, sample) :
-#endif
- seek_to_absolute_sample_(decoder, length, sample)
- ;
- decoder->private_->is_seeking = false;
- return ok;
- }
-}
-
-/***********************************************************************
- *
- * Protected class methods
- *
- ***********************************************************************/
-
-unsigned FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder)
-{
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
- FLAC__ASSERT(!(FLAC__bitreader_get_input_bits_unconsumed(decoder->private_->input) & 7));
- return FLAC__bitreader_get_input_bits_unconsumed(decoder->private_->input) / 8;
-}
-
-/***********************************************************************
- *
- * Private class methods
- *
- ***********************************************************************/
-
-void set_defaults_(FLAC__StreamDecoder *decoder)
-{
- decoder->private_->is_ogg = false;
- decoder->private_->read_callback = 0;
- decoder->private_->seek_callback = 0;
- decoder->private_->tell_callback = 0;
- decoder->private_->length_callback = 0;
- decoder->private_->eof_callback = 0;
- decoder->private_->write_callback = 0;
- decoder->private_->metadata_callback = 0;
- decoder->private_->error_callback = 0;
- decoder->private_->client_data = 0;
-
- memset(decoder->private_->metadata_filter, 0, sizeof(decoder->private_->metadata_filter));
- decoder->private_->metadata_filter[FLAC__METADATA_TYPE_STREAMINFO] = true;
- decoder->private_->metadata_filter_ids_count = 0;
-
- decoder->protected_->md5_checking = false;
-
-#if FLAC__HAS_OGG
- FLAC__ogg_decoder_aspect_set_defaults(&decoder->protected_->ogg_decoder_aspect);
-#endif
-}
-
-/*
- * This will forcibly set stdin to binary mode (for OSes that require it)
- */
-FILE *get_binary_stdin_(void)
-{
- /* if something breaks here it is probably due to the presence or
- * absence of an underscore before the identifiers 'setmode',
- * 'fileno', and/or 'O_BINARY'; check your system header files.
- */
-#if defined _MSC_VER || defined __MINGW32__
- _setmode(_fileno(stdin), _O_BINARY);
-#elif defined __CYGWIN__
- /* almost certainly not needed for any modern Cygwin, but let's be safe... */
- setmode(_fileno(stdin), _O_BINARY);
-#elif defined __EMX__
- setmode(fileno(stdin), O_BINARY);
-#endif
-
- return stdin;
-}
-
-FLAC__bool allocate_output_(FLAC__StreamDecoder *decoder, unsigned size, unsigned channels)
-{
- unsigned i;
- FLAC__int32 *tmp;
-
- if(size <= decoder->private_->output_capacity && channels <= decoder->private_->output_channels)
- return true;
-
- /* simply using realloc() is not practical because the number of channels may change mid-stream */
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- if(0 != decoder->private_->output[i]) {
- free(decoder->private_->output[i]-4);
- decoder->private_->output[i] = 0;
- }
- if(0 != decoder->private_->residual_unaligned[i]) {
- free(decoder->private_->residual_unaligned[i]);
- decoder->private_->residual_unaligned[i] = decoder->private_->residual[i] = 0;
- }
- }
-
- for(i = 0; i < channels; i++) {
- /* WATCHOUT:
- * FLAC__lpc_restore_signal_asm_ia32_mmx() requires that the
- * output arrays have a buffer of up to 3 zeroes in front
- * (at negative indices) for alignment purposes; we use 4
- * to keep the data well-aligned.
- */
- tmp = safe_malloc_muladd2_(sizeof(FLAC__int32), /*times (*/size, /*+*/4/*)*/);
- if(tmp == 0) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- memset(tmp, 0, sizeof(FLAC__int32)*4);
- decoder->private_->output[i] = tmp + 4;
-
- if(!FLAC__memory_alloc_aligned_int32_array(size, &decoder->private_->residual_unaligned[i], &decoder->private_->residual[i])) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- }
-
- decoder->private_->output_capacity = size;
- decoder->private_->output_channels = channels;
-
- return true;
-}
-
-FLAC__bool has_id_filtered_(FLAC__StreamDecoder *decoder, FLAC__byte *id)
-{
- size_t i;
-
- FLAC__ASSERT(0 != decoder);
- FLAC__ASSERT(0 != decoder->private_);
-
- for(i = 0; i < decoder->private_->metadata_filter_ids_count; i++)
- if(0 == memcmp(decoder->private_->metadata_filter_ids + i * (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), id, (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)))
- return true;
-
- return false;
-}
-
-FLAC__bool find_metadata_(FLAC__StreamDecoder *decoder)
-{
- FLAC__uint32 x;
- unsigned i, id;
- FLAC__bool first = true;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- for(i = id = 0; i < 4; ) {
- if(decoder->private_->cached) {
- x = (FLAC__uint32)decoder->private_->lookahead;
- decoder->private_->cached = false;
- }
- else {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- }
- if(x == FLAC__STREAM_SYNC_STRING[i]) {
- first = true;
- i++;
- id = 0;
- continue;
- }
-
- if(id >= 3)
- return false;
-
- if(x == ID3V2_TAG_[id]) {
- id++;
- i = 0;
- if(id == 3) {
- if(!skip_id3v2_tag_(decoder))
- return false; /* skip_id3v2_tag_ sets the state for us */
- }
- continue;
- }
- id = 0;
- if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */
- decoder->private_->header_warmup[0] = (FLAC__byte)x;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
-
- /* we have to check if we just read two 0xff's in a row; the second may actually be the beginning of the sync code */
- /* else we have to check if the second byte is the end of a sync code */
- if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */
- decoder->private_->lookahead = (FLAC__byte)x;
- decoder->private_->cached = true;
- }
- else if(x >> 1 == 0x7c) { /* MAGIC NUMBER for the last 6 sync bits and reserved 7th bit */
- decoder->private_->header_warmup[1] = (FLAC__byte)x;
- decoder->protected_->state = FLAC__STREAM_DECODER_READ_FRAME;
- return true;
- }
- }
- i = 0;
- if(first) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- first = false;
- }
- }
-
- decoder->protected_->state = FLAC__STREAM_DECODER_READ_METADATA;
- return true;
-}
-
-FLAC__bool read_metadata_(FLAC__StreamDecoder *decoder)
-{
- FLAC__bool is_last;
- FLAC__uint32 i, x, type, length;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_IS_LAST_LEN))
- return false; /* read_callback_ sets the state for us */
- is_last = x? true : false;
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &type, FLAC__STREAM_METADATA_TYPE_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &length, FLAC__STREAM_METADATA_LENGTH_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(type == FLAC__METADATA_TYPE_STREAMINFO) {
- if(!read_metadata_streaminfo_(decoder, is_last, length))
- return false;
-
- decoder->private_->has_stream_info = true;
- if(0 == memcmp(decoder->private_->stream_info.data.stream_info.md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16))
- decoder->private_->do_md5_checking = false;
- if(!decoder->private_->is_seeking && decoder->private_->metadata_filter[FLAC__METADATA_TYPE_STREAMINFO] && decoder->private_->metadata_callback)
- decoder->private_->metadata_callback(decoder, &decoder->private_->stream_info, decoder->private_->client_data);
- }
- else if(type == FLAC__METADATA_TYPE_SEEKTABLE) {
- /* just in case we already have a seek table, and reading the next one fails: */
- decoder->private_->has_seek_table = false;
-
- if(!read_metadata_seektable_(decoder, is_last, length))
- return false;
-
- decoder->private_->has_seek_table = true;
- if(!decoder->private_->is_seeking && decoder->private_->metadata_filter[FLAC__METADATA_TYPE_SEEKTABLE] && decoder->private_->metadata_callback)
- decoder->private_->metadata_callback(decoder, &decoder->private_->seek_table, decoder->private_->client_data);
- }
- else {
- FLAC__bool skip_it = !decoder->private_->metadata_filter[type];
- unsigned real_length = length;
- FLAC__StreamMetadata block;
-
- memset(&block, 0, sizeof(block));
- block.is_last = is_last;
- block.type = (FLAC__MetadataType)type;
- block.length = length;
-
- if(type == FLAC__METADATA_TYPE_APPLICATION) {
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, block.data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8))
- return false; /* read_callback_ sets the state for us */
-
- if(real_length < FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) { /* underflow check */
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;/*@@@@@@ maybe wrong error? need to resync?*/
- return false;
- }
-
- real_length -= FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8;
-
- if(decoder->private_->metadata_filter_ids_count > 0 && has_id_filtered_(decoder, block.data.application.id))
- skip_it = !skip_it;
- }
-
- if(skip_it) {
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, real_length))
- return false; /* read_callback_ sets the state for us */
- }
- else {
- FLAC__bool ok = true;
- switch(type) {
- case FLAC__METADATA_TYPE_PADDING:
- /* skip the padding bytes */
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, real_length))
- ok = false; /* read_callback_ sets the state for us */
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- /* remember, we read the ID already */
- if(real_length > 0) {
- if(0 == (block.data.application.data = malloc(real_length))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- ok = false;
- }
- else if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, block.data.application.data, real_length))
- ok = false; /* read_callback_ sets the state for us */
- }
- else
- block.data.application.data = 0;
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if(!read_metadata_vorbiscomment_(decoder, &block.data.vorbis_comment, real_length))
- ok = false;
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- if(!read_metadata_cuesheet_(decoder, &block.data.cue_sheet))
- ok = false;
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- if(!read_metadata_picture_(decoder, &block.data.picture))
- ok = false;
- break;
- case FLAC__METADATA_TYPE_STREAMINFO:
- case FLAC__METADATA_TYPE_SEEKTABLE:
- FLAC__ASSERT(0);
- break;
- default:
- if(real_length > 0) {
- if(0 == (block.data.unknown.data = malloc(real_length))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- ok = false;
- }
- else if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, block.data.unknown.data, real_length))
- ok = false; /* read_callback_ sets the state for us */
- }
- else
- block.data.unknown.data = 0;
- break;
- }
- if(ok && !decoder->private_->is_seeking && decoder->private_->metadata_callback)
- decoder->private_->metadata_callback(decoder, &block, decoder->private_->client_data);
-
- /* now we have to free any malloc()ed data in the block */
- switch(type) {
- case FLAC__METADATA_TYPE_PADDING:
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- if(0 != block.data.application.data)
- free(block.data.application.data);
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if(0 != block.data.vorbis_comment.vendor_string.entry)
- free(block.data.vorbis_comment.vendor_string.entry);
- if(block.data.vorbis_comment.num_comments > 0)
- for(i = 0; i < block.data.vorbis_comment.num_comments; i++)
- if(0 != block.data.vorbis_comment.comments[i].entry)
- free(block.data.vorbis_comment.comments[i].entry);
- if(0 != block.data.vorbis_comment.comments)
- free(block.data.vorbis_comment.comments);
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- if(block.data.cue_sheet.num_tracks > 0)
- for(i = 0; i < block.data.cue_sheet.num_tracks; i++)
- if(0 != block.data.cue_sheet.tracks[i].indices)
- free(block.data.cue_sheet.tracks[i].indices);
- if(0 != block.data.cue_sheet.tracks)
- free(block.data.cue_sheet.tracks);
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- if(0 != block.data.picture.mime_type)
- free(block.data.picture.mime_type);
- if(0 != block.data.picture.description)
- free(block.data.picture.description);
- if(0 != block.data.picture.data)
- free(block.data.picture.data);
- break;
- case FLAC__METADATA_TYPE_STREAMINFO:
- case FLAC__METADATA_TYPE_SEEKTABLE:
- FLAC__ASSERT(0);
- default:
- if(0 != block.data.unknown.data)
- free(block.data.unknown.data);
- break;
- }
-
- if(!ok) /* anything that unsets "ok" should also make sure decoder->protected_->state is updated */
- return false;
- }
- }
-
- if(is_last) {
- /* if this fails, it's OK, it's just a hint for the seek routine */
- if(!FLAC__stream_decoder_get_decode_position(decoder, &decoder->private_->first_frame_offset))
- decoder->private_->first_frame_offset = 0;
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- }
-
- return true;
-}
-
-FLAC__bool read_metadata_streaminfo_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, unsigned length)
-{
- FLAC__uint32 x;
- unsigned bits, used_bits = 0;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- decoder->private_->stream_info.type = FLAC__METADATA_TYPE_STREAMINFO;
- decoder->private_->stream_info.is_last = is_last;
- decoder->private_->stream_info.length = length;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, bits))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.min_blocksize = x;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.max_blocksize = x;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.min_framesize = x;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.max_framesize = x;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.sample_rate = x;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.channels = x+1;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->stream_info.data.stream_info.bits_per_sample = x+1;
- used_bits += bits;
-
- bits = FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN;
- if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &decoder->private_->stream_info.data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN))
- return false; /* read_callback_ sets the state for us */
- used_bits += bits;
-
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, decoder->private_->stream_info.data.stream_info.md5sum, 16))
- return false; /* read_callback_ sets the state for us */
- used_bits += 16*8;
-
- /* skip the rest of the block */
- FLAC__ASSERT(used_bits % 8 == 0);
- length -= (used_bits / 8);
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, length))
- return false; /* read_callback_ sets the state for us */
-
- return true;
-}
-
-FLAC__bool read_metadata_seektable_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, unsigned length)
-{
- FLAC__uint32 i, x;
- FLAC__uint64 xx;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- decoder->private_->seek_table.type = FLAC__METADATA_TYPE_SEEKTABLE;
- decoder->private_->seek_table.is_last = is_last;
- decoder->private_->seek_table.length = length;
-
- decoder->private_->seek_table.data.seek_table.num_points = length / FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
-
- /* use realloc since we may pass through here several times (e.g. after seeking) */
- if(0 == (decoder->private_->seek_table.data.seek_table.points = safe_realloc_mul_2op_(decoder->private_->seek_table.data.seek_table.points, decoder->private_->seek_table.data.seek_table.num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint)))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- for(i = 0; i < decoder->private_->seek_table.data.seek_table.num_points; i++) {
- if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &xx, FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->seek_table.data.seek_table.points[i].sample_number = xx;
-
- if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &xx, FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->seek_table.data.seek_table.points[i].stream_offset = xx;
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->seek_table.data.seek_table.points[i].frame_samples = x;
- }
- length -= (decoder->private_->seek_table.data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH);
- /* if there is a partial point left, skip over it */
- if(length > 0) {
- /*@@@ do a send_error_to_client_() here? there's an argument for either way */
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, length))
- return false; /* read_callback_ sets the state for us */
- }
-
- return true;
-}
-
-FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_VorbisComment *obj, unsigned length)
-{
- FLAC__uint32 i;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- /* read vendor string */
- if (length >= 8) {
- length -= 8; /* vendor string length + num comments entries alone take 8 bytes */
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN == 32);
- if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->vendor_string.length))
- return false; /* read_callback_ sets the state for us */
- if (obj->vendor_string.length > 0) {
- if (length < obj->vendor_string.length) {
- obj->vendor_string.length = 0;
- obj->vendor_string.entry = 0;
- goto skip;
- }
- else
- length -= obj->vendor_string.length;
- if (0 == (obj->vendor_string.entry = safe_malloc_add_2op_(obj->vendor_string.length, /*+*/1))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- if (!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->vendor_string.entry, obj->vendor_string.length))
- return false; /* read_callback_ sets the state for us */
- obj->vendor_string.entry[obj->vendor_string.length] = '\0';
- }
- else
- obj->vendor_string.entry = 0;
-
- /* read num comments */
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN == 32);
- if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->num_comments))
- return false; /* read_callback_ sets the state for us */
-
- /* read comments */
- if (obj->num_comments > 100000) {
- /* Possibly malicious file. */
- obj->num_comments = 0;
- return false;
- }
- if (obj->num_comments > 0) {
- if (0 == (obj->comments = safe_malloc_mul_2op_p(obj->num_comments, /*times*/sizeof(FLAC__StreamMetadata_VorbisComment_Entry)))) {
- obj->num_comments = 0;
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- for (i = 0; i < obj->num_comments; i++) {
- /* Initialize here just to make sure. */
- obj->comments[i].length = 0;
- obj->comments[i].entry = 0;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN == 32);
- if (length < 4) {
- obj->num_comments = i;
- goto skip;
- }
- else
- length -= 4;
- if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->comments[i].length)) {
- obj->num_comments = i;
- return false; /* read_callback_ sets the state for us */
- }
- if (obj->comments[i].length > 0) {
- if (length < obj->comments[i].length) {
- obj->num_comments = i;
- goto skip;
- }
- else
- length -= obj->comments[i].length;
- if (0 == (obj->comments[i].entry = safe_malloc_add_2op_(obj->comments[i].length, /*+*/1))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- obj->num_comments = i;
- return false;
- }
- memset (obj->comments[i].entry, 0, obj->comments[i].length) ;
- if (!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->comments[i].entry, obj->comments[i].length)) {
- obj->num_comments = i;
- goto skip;
- }
- obj->comments[i].entry[obj->comments[i].length] = '\0';
- }
- else
- obj->comments[i].entry = 0;
- }
- }
- }
-
- skip:
- if (length > 0) {
- /* length > 0 can only happen on files with invalid data in comments */
- if(obj->num_comments < 1) {
- free(obj->comments);
- obj->comments = NULL;
- }
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, length))
- return false; /* read_callback_ sets the state for us */
- }
-
- return true;
-}
-
-FLAC__bool read_metadata_cuesheet_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_CueSheet *obj)
-{
- FLAC__uint32 i, j, x;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- memset(obj, 0, sizeof(FLAC__StreamMetadata_CueSheet));
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, (FLAC__byte*)obj->media_catalog_number, FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN/8))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &obj->lead_in, FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN))
- return false; /* read_callback_ sets the state for us */
- obj->is_cd = x? true : false;
-
- if(!FLAC__bitreader_skip_bits_no_crc(decoder->private_->input, FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN))
- return false; /* read_callback_ sets the state for us */
- obj->num_tracks = x;
-
- if(obj->num_tracks > 0) {
- if(0 == (obj->tracks = safe_calloc_(obj->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track)))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- for(i = 0; i < obj->num_tracks; i++) {
- FLAC__StreamMetadata_CueSheet_Track *track = &obj->tracks[i];
- if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &track->offset, FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN))
- return false; /* read_callback_ sets the state for us */
- track->number = (FLAC__byte)x;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, (FLAC__byte*)track->isrc, FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN/8))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN))
- return false; /* read_callback_ sets the state for us */
- track->type = x;
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN))
- return false; /* read_callback_ sets the state for us */
- track->pre_emphasis = x;
-
- if(!FLAC__bitreader_skip_bits_no_crc(decoder->private_->input, FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN))
- return false; /* read_callback_ sets the state for us */
- track->num_indices = (FLAC__byte)x;
-
- if(track->num_indices > 0) {
- if(0 == (track->indices = safe_calloc_(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index)))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- for(j = 0; j < track->num_indices; j++) {
- FLAC__StreamMetadata_CueSheet_Index *indx = &track->indices[j];
- if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &indx->offset, FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN))
- return false; /* read_callback_ sets the state for us */
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN))
- return false; /* read_callback_ sets the state for us */
- indx->number = (FLAC__byte)x;
-
- if(!FLAC__bitreader_skip_bits_no_crc(decoder->private_->input, FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN))
- return false; /* read_callback_ sets the state for us */
- }
- }
- }
- }
-
- return true;
-}
-
-FLAC__bool read_metadata_picture_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_Picture *obj)
-{
- FLAC__uint32 x;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- /* read type */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_PICTURE_TYPE_LEN))
- return false; /* read_callback_ sets the state for us */
- obj->type = x;
-
- /* read MIME type */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN))
- return false; /* read_callback_ sets the state for us */
- if(0 == (obj->mime_type = safe_malloc_add_2op_(x, /*+*/1))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- if(x > 0) {
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, (FLAC__byte*)obj->mime_type, x))
- return false; /* read_callback_ sets the state for us */
- }
- obj->mime_type[x] = '\0';
-
- /* read description */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN))
- return false; /* read_callback_ sets the state for us */
- if(0 == (obj->description = safe_malloc_add_2op_(x, /*+*/1))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- if(x > 0) {
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->description, x))
- return false; /* read_callback_ sets the state for us */
- }
- obj->description[x] = '\0';
-
- /* read width */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->width, FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN))
- return false; /* read_callback_ sets the state for us */
-
- /* read height */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->height, FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN))
- return false; /* read_callback_ sets the state for us */
-
- /* read depth */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->depth, FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN))
- return false; /* read_callback_ sets the state for us */
-
- /* read colors */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->colors, FLAC__STREAM_METADATA_PICTURE_COLORS_LEN))
- return false; /* read_callback_ sets the state for us */
-
- /* read data */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &(obj->data_length), FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN))
- return false; /* read_callback_ sets the state for us */
- if(0 == (obj->data = safe_malloc_(obj->data_length))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- if(obj->data_length > 0) {
- if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->data, obj->data_length))
- return false; /* read_callback_ sets the state for us */
- }
-
- return true;
-}
-
-FLAC__bool skip_id3v2_tag_(FLAC__StreamDecoder *decoder)
-{
- FLAC__uint32 x;
- unsigned i, skip;
-
- /* skip the version and flags bytes */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 24))
- return false; /* read_callback_ sets the state for us */
- /* get the size (in bytes) to skip */
- skip = 0;
- for(i = 0; i < 4; i++) {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- skip <<= 7;
- skip |= (x & 0x7f);
- }
- /* skip the rest of the tag */
- if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, skip))
- return false; /* read_callback_ sets the state for us */
- return true;
-}
-
-FLAC__bool frame_sync_(FLAC__StreamDecoder *decoder)
-{
- FLAC__uint32 x;
- FLAC__bool first = true;
-
- /* If we know the total number of samples in the stream, stop if we've read that many. */
- /* This will stop us, for example, from wasting time trying to sync on an ID3V1 tag. */
- if(FLAC__stream_decoder_get_total_samples(decoder) > 0) {
- if(decoder->private_->samples_decoded >= FLAC__stream_decoder_get_total_samples(decoder)) {
- decoder->protected_->state = FLAC__STREAM_DECODER_END_OF_STREAM;
- return true;
- }
- }
-
- /* make sure we're byte aligned */
- if(!FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)) {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__bitreader_bits_left_for_byte_alignment(decoder->private_->input)))
- return false; /* read_callback_ sets the state for us */
- }
-
- while(1) {
- if(decoder->private_->cached) {
- x = (FLAC__uint32)decoder->private_->lookahead;
- decoder->private_->cached = false;
- }
- else {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- }
- if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */
- decoder->private_->header_warmup[0] = (FLAC__byte)x;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
-
- /* we have to check if we just read two 0xff's in a row; the second may actually be the beginning of the sync code */
- /* else we have to check if the second byte is the end of a sync code */
- if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */
- decoder->private_->lookahead = (FLAC__byte)x;
- decoder->private_->cached = true;
- }
- else if(x >> 1 == 0x7c) { /* MAGIC NUMBER for the last 6 sync bits and reserved 7th bit */
- decoder->private_->header_warmup[1] = (FLAC__byte)x;
- decoder->protected_->state = FLAC__STREAM_DECODER_READ_FRAME;
- return true;
- }
- }
- if(first) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- first = false;
- }
- }
-
- return true;
-}
-
-FLAC__bool read_frame_(FLAC__StreamDecoder *decoder, FLAC__bool *got_a_frame, FLAC__bool do_full_decode)
-{
- unsigned channel;
- unsigned i;
- FLAC__int32 mid, side;
- unsigned frame_crc; /* the one we calculate from the input stream */
- FLAC__uint32 x;
-
- *got_a_frame = false;
-
- /* init the CRC */
- frame_crc = 0;
- frame_crc = FLAC__CRC16_UPDATE(decoder->private_->header_warmup[0], frame_crc);
- frame_crc = FLAC__CRC16_UPDATE(decoder->private_->header_warmup[1], frame_crc);
- FLAC__bitreader_reset_read_crc16(decoder->private_->input, (FLAC__uint16)frame_crc);
-
- if(!read_frame_header_(decoder))
- return false;
- if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means we didn't sync on a valid header */
- return true;
- if(!allocate_output_(decoder, decoder->private_->frame.header.blocksize, decoder->private_->frame.header.channels))
- return false;
- for(channel = 0; channel < decoder->private_->frame.header.channels; channel++) {
- /*
- * first figure the correct bits-per-sample of the subframe
- */
- unsigned bps = decoder->private_->frame.header.bits_per_sample;
- switch(decoder->private_->frame.header.channel_assignment) {
- case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
- /* no adjustment needed */
- break;
- case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
- FLAC__ASSERT(decoder->private_->frame.header.channels == 2);
- if(channel == 1)
- bps++;
- break;
- case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
- FLAC__ASSERT(decoder->private_->frame.header.channels == 2);
- if(channel == 0)
- bps++;
- break;
- case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
- FLAC__ASSERT(decoder->private_->frame.header.channels == 2);
- if(channel == 1)
- bps++;
- break;
- default:
- FLAC__ASSERT(0);
- }
- /*
- * now read it
- */
- if(!read_subframe_(decoder, channel, bps, do_full_decode))
- return false;
- if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means bad sync or got corruption */
- return true;
- }
- if(!read_zero_padding_(decoder))
- return false;
- if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means bad sync or got corruption (i.e. "zero bits" were not all zeroes) */
- return true;
-
- /*
- * Read the frame CRC-16 from the footer and check
- */
- frame_crc = FLAC__bitreader_get_read_crc16(decoder->private_->input);
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__FRAME_FOOTER_CRC_LEN))
- return false; /* read_callback_ sets the state for us */
- if(frame_crc == x) {
- if(do_full_decode) {
- /* Undo any special channel coding */
- switch(decoder->private_->frame.header.channel_assignment) {
- case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
- /* do nothing */
- break;
- case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
- FLAC__ASSERT(decoder->private_->frame.header.channels == 2);
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++)
- decoder->private_->output[1][i] = decoder->private_->output[0][i] - decoder->private_->output[1][i];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
- FLAC__ASSERT(decoder->private_->frame.header.channels == 2);
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++)
- decoder->private_->output[0][i] += decoder->private_->output[1][i];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
- FLAC__ASSERT(decoder->private_->frame.header.channels == 2);
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++) {
-#if 1
- mid = decoder->private_->output[0][i];
- side = decoder->private_->output[1][i];
- mid = ((uint32_t) mid) << 1;
- mid |= (side & 1); /* i.e. if 'side' is odd... */
- decoder->private_->output[0][i] = (mid + side) >> 1;
- decoder->private_->output[1][i] = (mid - side) >> 1;
-#else
- /* OPT: without 'side' temp variable */
- mid = (decoder->private_->output[0][i] << 1) | (decoder->private_->output[1][i] & 1); /* i.e. if 'side' is odd... */
- decoder->private_->output[0][i] = (mid + decoder->private_->output[1][i]) >> 1;
- decoder->private_->output[1][i] = (mid - decoder->private_->output[1][i]) >> 1;
-#endif
- }
- break;
- default:
- FLAC__ASSERT(0);
- break;
- }
- }
- }
- else {
- /* Bad frame, emit error and zero the output signal */
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH);
- if(do_full_decode) {
- for(channel = 0; channel < decoder->private_->frame.header.channels; channel++) {
- memset(decoder->private_->output[channel], 0, sizeof(FLAC__int32) * decoder->private_->frame.header.blocksize);
- }
- }
- }
-
- *got_a_frame = true;
-
- /* we wait to update fixed_block_size until here, when we're sure we've got a proper frame and hence a correct blocksize */
- if(decoder->private_->next_fixed_block_size)
- decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size;
-
- /* put the latest values into the public section of the decoder instance */
- decoder->protected_->channels = decoder->private_->frame.header.channels;
- decoder->protected_->channel_assignment = decoder->private_->frame.header.channel_assignment;
- decoder->protected_->bits_per_sample = decoder->private_->frame.header.bits_per_sample;
- decoder->protected_->sample_rate = decoder->private_->frame.header.sample_rate;
- decoder->protected_->blocksize = decoder->private_->frame.header.blocksize;
-
- FLAC__ASSERT(decoder->private_->frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
- decoder->private_->samples_decoded = decoder->private_->frame.header.number.sample_number + decoder->private_->frame.header.blocksize;
-
- /* write it */
- if(do_full_decode) {
- if(write_audio_frame_to_client_(decoder, &decoder->private_->frame, (const FLAC__int32 * const *)decoder->private_->output) != FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE) {
- decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED;
- return false;
- }
- }
-
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
-}
-
-FLAC__bool read_frame_header_(FLAC__StreamDecoder *decoder)
-{
- FLAC__uint32 x;
- FLAC__uint64 xx;
- unsigned i, blocksize_hint = 0, sample_rate_hint = 0;
- FLAC__byte crc8, raw_header[16]; /* MAGIC NUMBER based on the maximum frame header size, including CRC */
- unsigned raw_header_len;
- FLAC__bool is_unparseable = false;
-
- FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input));
-
- /* init the raw header with the saved bits from synchronization */
- raw_header[0] = decoder->private_->header_warmup[0];
- raw_header[1] = decoder->private_->header_warmup[1];
- raw_header_len = 2;
-
- /* check to make sure that reserved bit is 0 */
- if(raw_header[1] & 0x02) /* MAGIC NUMBER */
- is_unparseable = true;
-
- /*
- * Note that along the way as we read the header, we look for a sync
- * code inside. If we find one it would indicate that our original
- * sync was bad since there cannot be a sync code in a valid header.
- *
- * Three kinds of things can go wrong when reading the frame header:
- * 1) We may have sync'ed incorrectly and not landed on a frame header.
- * If we don't find a sync code, it can end up looking like we read
- * a valid but unparseable header, until getting to the frame header
- * CRC. Even then we could get a false positive on the CRC.
- * 2) We may have sync'ed correctly but on an unparseable frame (from a
- * future encoder).
- * 3) We may be on a damaged frame which appears valid but unparseable.
- *
- * For all these reasons, we try and read a complete frame header as
- * long as it seems valid, even if unparseable, up until the frame
- * header CRC.
- */
-
- /*
- * read in the raw header as bytes so we can CRC it, and parse it on the way
- */
- for(i = 0; i < 2; i++) {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */
- /* if we get here it means our original sync was erroneous since the sync code cannot appear in the header */
- decoder->private_->lookahead = (FLAC__byte)x;
- decoder->private_->cached = true;
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- raw_header[raw_header_len++] = (FLAC__byte)x;
- }
-
- switch(x = raw_header[2] >> 4) {
- case 0:
- is_unparseable = true;
- break;
- case 1:
- decoder->private_->frame.header.blocksize = 192;
- break;
- case 2:
- case 3:
- case 4:
- case 5:
- decoder->private_->frame.header.blocksize = 576 << (x-2);
- break;
- case 6:
- case 7:
- blocksize_hint = x;
- break;
- case 8:
- case 9:
- case 10:
- case 11:
- case 12:
- case 13:
- case 14:
- case 15:
- decoder->private_->frame.header.blocksize = 256 << (x-8);
- break;
- default:
- FLAC__ASSERT(0);
- break;
- }
-
- switch(x = raw_header[2] & 0x0f) {
- case 0:
- if(decoder->private_->has_stream_info)
- decoder->private_->frame.header.sample_rate = decoder->private_->stream_info.data.stream_info.sample_rate;
- else
- is_unparseable = true;
- break;
- case 1:
- decoder->private_->frame.header.sample_rate = 88200;
- break;
- case 2:
- decoder->private_->frame.header.sample_rate = 176400;
- break;
- case 3:
- decoder->private_->frame.header.sample_rate = 192000;
- break;
- case 4:
- decoder->private_->frame.header.sample_rate = 8000;
- break;
- case 5:
- decoder->private_->frame.header.sample_rate = 16000;
- break;
- case 6:
- decoder->private_->frame.header.sample_rate = 22050;
- break;
- case 7:
- decoder->private_->frame.header.sample_rate = 24000;
- break;
- case 8:
- decoder->private_->frame.header.sample_rate = 32000;
- break;
- case 9:
- decoder->private_->frame.header.sample_rate = 44100;
- break;
- case 10:
- decoder->private_->frame.header.sample_rate = 48000;
- break;
- case 11:
- decoder->private_->frame.header.sample_rate = 96000;
- break;
- case 12:
- case 13:
- case 14:
- sample_rate_hint = x;
- break;
- case 15:
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- default:
- FLAC__ASSERT(0);
- }
-
- x = (unsigned)(raw_header[3] >> 4);
- if(x & 8) {
- decoder->private_->frame.header.channels = 2;
- switch(x & 7) {
- case 0:
- decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE;
- break;
- case 1:
- decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE;
- break;
- case 2:
- decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_MID_SIDE;
- break;
- default:
- is_unparseable = true;
- break;
- }
- }
- else {
- decoder->private_->frame.header.channels = (unsigned)x + 1;
- decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT;
- }
-
- switch(x = (unsigned)(raw_header[3] & 0x0e) >> 1) {
- case 0:
- if(decoder->private_->has_stream_info)
- decoder->private_->frame.header.bits_per_sample = decoder->private_->stream_info.data.stream_info.bits_per_sample;
- else
- is_unparseable = true;
- break;
- case 1:
- decoder->private_->frame.header.bits_per_sample = 8;
- break;
- case 2:
- decoder->private_->frame.header.bits_per_sample = 12;
- break;
- case 4:
- decoder->private_->frame.header.bits_per_sample = 16;
- break;
- case 5:
- decoder->private_->frame.header.bits_per_sample = 20;
- break;
- case 6:
- decoder->private_->frame.header.bits_per_sample = 24;
- break;
- case 3:
- case 7:
- is_unparseable = true;
- break;
- default:
- FLAC__ASSERT(0);
- break;
- }
-
- /* check to make sure that reserved bit is 0 */
- if(raw_header[3] & 0x01) /* MAGIC NUMBER */
- is_unparseable = true;
-
- /* read the frame's starting sample number (or frame number as the case may be) */
- if(
- raw_header[1] & 0x01 ||
- /*@@@ this clause is a concession to the old way of doing variable blocksize; the only known implementation is flake and can probably be removed without inconveniencing anyone */
- (decoder->private_->has_stream_info && decoder->private_->stream_info.data.stream_info.min_blocksize != decoder->private_->stream_info.data.stream_info.max_blocksize)
- ) { /* variable blocksize */
- if(!FLAC__bitreader_read_utf8_uint64(decoder->private_->input, &xx, raw_header, &raw_header_len))
- return false; /* read_callback_ sets the state for us */
- if(xx == FLAC__U64L(0xffffffffffffffff)) { /* i.e. non-UTF8 code... */
- decoder->private_->lookahead = raw_header[raw_header_len-1]; /* back up as much as we can */
- decoder->private_->cached = true;
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- decoder->private_->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER;
- decoder->private_->frame.header.number.sample_number = xx;
- }
- else { /* fixed blocksize */
- if(!FLAC__bitreader_read_utf8_uint32(decoder->private_->input, &x, raw_header, &raw_header_len))
- return false; /* read_callback_ sets the state for us */
- if(x == 0xffffffff) { /* i.e. non-UTF8 code... */
- decoder->private_->lookahead = raw_header[raw_header_len-1]; /* back up as much as we can */
- decoder->private_->cached = true;
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- decoder->private_->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER;
- decoder->private_->frame.header.number.frame_number = x;
- }
-
- if(blocksize_hint) {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- raw_header[raw_header_len++] = (FLAC__byte)x;
- if(blocksize_hint == 7) {
- FLAC__uint32 _x;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &_x, 8))
- return false; /* read_callback_ sets the state for us */
- raw_header[raw_header_len++] = (FLAC__byte)_x;
- x = (x << 8) | _x;
- }
- decoder->private_->frame.header.blocksize = x+1;
- }
-
- if(sample_rate_hint) {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- raw_header[raw_header_len++] = (FLAC__byte)x;
- if(sample_rate_hint != 12) {
- FLAC__uint32 _x;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &_x, 8))
- return false; /* read_callback_ sets the state for us */
- raw_header[raw_header_len++] = (FLAC__byte)_x;
- x = (x << 8) | _x;
- }
- if(sample_rate_hint == 12)
- decoder->private_->frame.header.sample_rate = x*1000;
- else if(sample_rate_hint == 13)
- decoder->private_->frame.header.sample_rate = x;
- else
- decoder->private_->frame.header.sample_rate = x*10;
- }
-
- /* read the CRC-8 byte */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8))
- return false; /* read_callback_ sets the state for us */
- crc8 = (FLAC__byte)x;
-
- if(FLAC__crc8(raw_header, raw_header_len) != crc8) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
-
- /* calculate the sample number from the frame number if needed */
- decoder->private_->next_fixed_block_size = 0;
- if(decoder->private_->frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER) {
- x = decoder->private_->frame.header.number.frame_number;
- decoder->private_->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER;
- if(decoder->private_->fixed_block_size)
- decoder->private_->frame.header.number.sample_number = (FLAC__uint64)decoder->private_->fixed_block_size * (FLAC__uint64)x;
- else if(decoder->private_->has_stream_info) {
- if(decoder->private_->stream_info.data.stream_info.min_blocksize == decoder->private_->stream_info.data.stream_info.max_blocksize) {
- decoder->private_->frame.header.number.sample_number = (FLAC__uint64)decoder->private_->stream_info.data.stream_info.min_blocksize * (FLAC__uint64)x;
- decoder->private_->next_fixed_block_size = decoder->private_->stream_info.data.stream_info.max_blocksize;
- }
- else
- is_unparseable = true;
- }
- else if(x == 0) {
- decoder->private_->frame.header.number.sample_number = 0;
- decoder->private_->next_fixed_block_size = decoder->private_->frame.header.blocksize;
- }
- else {
- /* can only get here if the stream has invalid frame numbering and no STREAMINFO, so assume it's not the last (possibly short) frame */
- decoder->private_->frame.header.number.sample_number = (FLAC__uint64)decoder->private_->frame.header.blocksize * (FLAC__uint64)x;
- }
- }
-
- if(is_unparseable) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
-
- return true;
-}
-
-FLAC__bool read_subframe_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, FLAC__bool do_full_decode)
-{
- FLAC__uint32 x;
- FLAC__bool wasted_bits;
- unsigned i;
-
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) /* MAGIC NUMBER */
- return false; /* read_callback_ sets the state for us */
-
- wasted_bits = (x & 1);
- x &= 0xfe;
-
- if(wasted_bits) {
- unsigned u;
- if(!FLAC__bitreader_read_unary_unsigned(decoder->private_->input, &u))
- return false; /* read_callback_ sets the state for us */
- decoder->private_->frame.subframes[channel].wasted_bits = u+1;
- if (decoder->private_->frame.subframes[channel].wasted_bits >= bps)
- return false;
- bps -= decoder->private_->frame.subframes[channel].wasted_bits;
- }
- else
- decoder->private_->frame.subframes[channel].wasted_bits = 0;
-
- /*
- * Lots of magic numbers here
- */
- if(x & 0x80) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- else if(x == 0) {
- if(!read_subframe_constant_(decoder, channel, bps, do_full_decode))
- return false;
- }
- else if(x == 2) {
- if(!read_subframe_verbatim_(decoder, channel, bps, do_full_decode))
- return false;
- }
- else if(x < 16) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- else if(x <= 24) {
- if(!read_subframe_fixed_(decoder, channel, bps, (x>>1)&7, do_full_decode))
- return false;
- if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means bad sync or got corruption */
- return true;
- }
- else if(x < 64) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- else {
- if(!read_subframe_lpc_(decoder, channel, bps, ((x>>1)&31)+1, do_full_decode))
- return false;
- if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means bad sync or got corruption */
- return true;
- }
-
- if(wasted_bits && do_full_decode) {
- x = decoder->private_->frame.subframes[channel].wasted_bits;
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++) {
- uint32_t val = decoder->private_->output[channel][i];
- decoder->private_->output[channel][i] = (val << x);
- }
- }
-
- return true;
-}
-
-FLAC__bool read_subframe_constant_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, FLAC__bool do_full_decode)
-{
- FLAC__Subframe_Constant *subframe = &decoder->private_->frame.subframes[channel].data.constant;
- FLAC__int32 x;
- unsigned i;
- FLAC__int32 *output = decoder->private_->output[channel];
-
- decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_CONSTANT;
-
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &x, bps))
- return false; /* read_callback_ sets the state for us */
-
- subframe->value = x;
-
- /* decode the subframe */
- if(do_full_decode) {
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++)
- output[i] = x;
- }
-
- return true;
-}
-
-FLAC__bool read_subframe_fixed_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, const unsigned order, FLAC__bool do_full_decode)
-{
- FLAC__Subframe_Fixed *subframe = &decoder->private_->frame.subframes[channel].data.fixed;
- FLAC__int32 i32;
- FLAC__uint32 u32;
- unsigned u;
-
- decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_FIXED;
-
- subframe->residual = decoder->private_->residual[channel];
- subframe->order = order;
-
- /* read warm-up samples */
- for(u = 0; u < order; u++) {
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, bps))
- return false; /* read_callback_ sets the state for us */
- subframe->warmup[u] = i32;
- }
-
- /* read entropy coding method info */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN))
- return false; /* read_callback_ sets the state for us */
- subframe->entropy_coding_method.type = (FLAC__EntropyCodingMethodType)u32;
- switch(subframe->entropy_coding_method.type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
- return false; /* read_callback_ sets the state for us */
- if(decoder->private_->frame.header.blocksize >> u32 < order) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- subframe->entropy_coding_method.data.partitioned_rice.order = u32;
- subframe->entropy_coding_method.data.partitioned_rice.contents = &decoder->private_->partitioned_rice_contents[channel];
- break;
- default:
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
-
- /* read residual */
- switch(subframe->entropy_coding_method.type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!read_residual_partitioned_rice_(decoder, order, subframe->entropy_coding_method.data.partitioned_rice.order, &decoder->private_->partitioned_rice_contents[channel], decoder->private_->residual[channel], /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2))
- return false;
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- /* decode the subframe */
- if(do_full_decode) {
- memcpy(decoder->private_->output[channel], subframe->warmup, sizeof(FLAC__int32) * order);
- FLAC__fixed_restore_signal(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, order, decoder->private_->output[channel]+order);
- }
-
- return true;
-}
-
-FLAC__bool read_subframe_lpc_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, const unsigned order, FLAC__bool do_full_decode)
-{
- FLAC__Subframe_LPC *subframe = &decoder->private_->frame.subframes[channel].data.lpc;
- FLAC__int32 i32;
- FLAC__uint32 u32;
- unsigned u;
-
- decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_LPC;
-
- subframe->residual = decoder->private_->residual[channel];
- subframe->order = order;
-
- /* read warm-up samples */
- for(u = 0; u < order; u++) {
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, bps))
- return false; /* read_callback_ sets the state for us */
- subframe->warmup[u] = i32;
- }
-
- /* read qlp coeff precision */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN))
- return false; /* read_callback_ sets the state for us */
- if(u32 == (1u << FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN) - 1) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- subframe->qlp_coeff_precision = u32+1;
-
- /* read qlp shift */
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN))
- return false; /* read_callback_ sets the state for us */
- if(i32 < 0) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- subframe->quantization_level = i32;
-
- /* read quantized lp coefficiencts */
- for(u = 0; u < order; u++) {
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, subframe->qlp_coeff_precision))
- return false; /* read_callback_ sets the state for us */
- subframe->qlp_coeff[u] = i32;
- }
-
- /* read entropy coding method info */
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN))
- return false; /* read_callback_ sets the state for us */
- subframe->entropy_coding_method.type = (FLAC__EntropyCodingMethodType)u32;
- switch(subframe->entropy_coding_method.type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
- return false; /* read_callback_ sets the state for us */
- if(decoder->private_->frame.header.blocksize >> u32 < order) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- subframe->entropy_coding_method.data.partitioned_rice.order = u32;
- subframe->entropy_coding_method.data.partitioned_rice.contents = &decoder->private_->partitioned_rice_contents[channel];
- break;
- default:
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
-
- /* read residual */
- switch(subframe->entropy_coding_method.type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!read_residual_partitioned_rice_(decoder, order, subframe->entropy_coding_method.data.partitioned_rice.order, &decoder->private_->partitioned_rice_contents[channel], decoder->private_->residual[channel], /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2))
- return false;
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- /* decode the subframe */
- if(do_full_decode) {
- memcpy(decoder->private_->output[channel], subframe->warmup, sizeof(FLAC__int32) * order);
- if(bps + subframe->qlp_coeff_precision + FLAC__bitmath_ilog2(order) <= 32)
- if(bps <= 16 && subframe->qlp_coeff_precision <= 16)
- decoder->private_->local_lpc_restore_signal_16bit(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->output[channel]+order);
- else
- decoder->private_->local_lpc_restore_signal(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->output[channel]+order);
- else
- decoder->private_->local_lpc_restore_signal_64bit(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->output[channel]+order);
- }
-
- return true;
-}
-
-FLAC__bool read_subframe_verbatim_(FLAC__StreamDecoder *decoder, unsigned channel, unsigned bps, FLAC__bool do_full_decode)
-{
- FLAC__Subframe_Verbatim *subframe = &decoder->private_->frame.subframes[channel].data.verbatim;
- FLAC__int32 x, *residual = decoder->private_->residual[channel];
- unsigned i;
-
- decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_VERBATIM;
-
- subframe->data = residual;
-
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++) {
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &x, bps))
- return false; /* read_callback_ sets the state for us */
- residual[i] = x;
- }
-
- /* decode the subframe */
- if(do_full_decode)
- memcpy(decoder->private_->output[channel], subframe->data, sizeof(FLAC__int32) * decoder->private_->frame.header.blocksize);
-
- return true;
-}
-
-FLAC__bool read_residual_partitioned_rice_(FLAC__StreamDecoder *decoder, unsigned predictor_order, unsigned partition_order, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, FLAC__int32 *residual, FLAC__bool is_extended)
-{
- FLAC__uint32 rice_parameter;
- int i;
- unsigned partition, sample, u;
- const unsigned partitions = 1u << partition_order;
- const unsigned partition_samples = partition_order > 0? decoder->private_->frame.header.blocksize >> partition_order : decoder->private_->frame.header.blocksize - predictor_order;
- const unsigned plen = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN;
- const unsigned pesc = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
-
- /* invalid predictor and partition orders mush be handled in the callers */
- FLAC__ASSERT(partition_order > 0? partition_samples >= predictor_order : decoder->private_->frame.header.blocksize >= predictor_order);
-
- if(!FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, flac_max(6u, partition_order))) {
- decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- sample = 0;
- for(partition = 0; partition < partitions; partition++) {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &rice_parameter, plen))
- return false; /* read_callback_ sets the state for us */
- partitioned_rice_contents->parameters[partition] = rice_parameter;
- if(rice_parameter < pesc) {
- partitioned_rice_contents->raw_bits[partition] = 0;
- u = (partition_order == 0 || partition > 0)? partition_samples : partition_samples - predictor_order;
- if(!FLAC__bitreader_read_rice_signed_block(decoder->private_->input, residual + sample, u, rice_parameter))
- return false; /* read_callback_ sets the state for us */
- sample += u;
- }
- else {
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
- return false; /* read_callback_ sets the state for us */
- partitioned_rice_contents->raw_bits[partition] = rice_parameter;
- for(u = (partition_order == 0 || partition > 0)? 0 : predictor_order; u < partition_samples; u++, sample++) {
- if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i, rice_parameter))
- return false; /* read_callback_ sets the state for us */
- residual[sample] = i;
- }
- }
- }
-
- return true;
-}
-
-FLAC__bool read_zero_padding_(FLAC__StreamDecoder *decoder)
-{
- if(!FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)) {
- FLAC__uint32 zero = 0;
- if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &zero, FLAC__bitreader_bits_left_for_byte_alignment(decoder->private_->input)))
- return false; /* read_callback_ sets the state for us */
- if(zero != 0) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- }
- }
- return true;
-}
-
-FLAC__bool read_callback_(FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- FLAC__StreamDecoder *decoder = (FLAC__StreamDecoder *)client_data;
-
- if(
-#if FLAC__HAS_OGG
- /* see [1] HACK NOTE below for why we don't call the eof_callback when decoding Ogg FLAC */
- !decoder->private_->is_ogg &&
-#endif
- decoder->private_->eof_callback && decoder->private_->eof_callback(decoder, decoder->private_->client_data)
- ) {
- *bytes = 0;
- decoder->protected_->state = FLAC__STREAM_DECODER_END_OF_STREAM;
- return false;
- }
- else if(*bytes > 0) {
- /* While seeking, it is possible for our seek to land in the
- * middle of audio data that looks exactly like a frame header
- * from a future version of an encoder. When that happens, our
- * error callback will get an
- * FLAC__STREAM_DECODER_UNPARSEABLE_STREAM and increment its
- * unparseable_frame_count. But there is a remote possibility
- * that it is properly synced at such a "future-codec frame",
- * so to make sure, we wait to see many "unparseable" errors in
- * a row before bailing out.
- */
- if(decoder->private_->is_seeking && decoder->private_->unparseable_frame_count > 20) {
- decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED;
- return false;
- }
- else {
- const FLAC__StreamDecoderReadStatus status =
-#if FLAC__HAS_OGG
- decoder->private_->is_ogg?
- read_callback_ogg_aspect_(decoder, buffer, bytes) :
-#endif
- decoder->private_->read_callback(decoder, buffer, bytes, decoder->private_->client_data)
- ;
- if(status == FLAC__STREAM_DECODER_READ_STATUS_ABORT) {
- decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED;
- return false;
- }
- else if(*bytes == 0) {
- if(
- status == FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM ||
- (
-#if FLAC__HAS_OGG
- /* see [1] HACK NOTE below for why we don't call the eof_callback when decoding Ogg FLAC */
- !decoder->private_->is_ogg &&
-#endif
- decoder->private_->eof_callback && decoder->private_->eof_callback(decoder, decoder->private_->client_data)
- )
- ) {
- decoder->protected_->state = FLAC__STREAM_DECODER_END_OF_STREAM;
- return false;
- }
- else
- return true;
- }
- else
- return true;
- }
- }
- else {
- /* abort to avoid a deadlock */
- decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED;
- return false;
- }
- /* [1] @@@ HACK NOTE: The end-of-stream checking has to be hacked around
- * for Ogg FLAC. This is because the ogg decoder aspect can lose sync
- * and at the same time hit the end of the stream (for example, seeking
- * to a point that is after the beginning of the last Ogg page). There
- * is no way to report an Ogg sync loss through the callbacks (see note
- * in read_callback_ogg_aspect_()) so it returns CONTINUE with *bytes==0.
- * So to keep the decoder from stopping at this point we gate the call
- * to the eof_callback and let the Ogg decoder aspect set the
- * end-of-stream state when it is needed.
- */
-}
-
-#if FLAC__HAS_OGG
-FLAC__StreamDecoderReadStatus read_callback_ogg_aspect_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes)
-{
- switch(FLAC__ogg_decoder_aspect_read_callback_wrapper(&decoder->protected_->ogg_decoder_aspect, buffer, bytes, read_callback_proxy_, decoder, decoder->private_->client_data)) {
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK:
- return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
- /* we don't really have a way to handle lost sync via read
- * callback so we'll let it pass and let the underlying
- * FLAC decoder catch the error
- */
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC:
- return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM:
- return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC:
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION:
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT:
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR:
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR:
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
- default:
- FLAC__ASSERT(0);
- /* double protection */
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
- }
-}
-
-FLAC__OggDecoderAspectReadStatus read_callback_proxy_(const void *void_decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- FLAC__StreamDecoder *decoder = (FLAC__StreamDecoder*)void_decoder;
-
- switch(decoder->private_->read_callback(decoder, buffer, bytes, client_data)) {
- case FLAC__STREAM_DECODER_READ_STATUS_CONTINUE:
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK;
- case FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM:
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM;
- case FLAC__STREAM_DECODER_READ_STATUS_ABORT:
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT;
- default:
- /* double protection: */
- FLAC__ASSERT(0);
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT;
- }
-}
-#endif
-
-FLAC__StreamDecoderWriteStatus write_audio_frame_to_client_(FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[])
-{
- if(decoder->private_->is_seeking) {
- FLAC__uint64 this_frame_sample = frame->header.number.sample_number;
- FLAC__uint64 next_frame_sample = this_frame_sample + (FLAC__uint64)frame->header.blocksize;
- FLAC__uint64 target_sample = decoder->private_->target_sample;
-
- FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
-
-#if FLAC__HAS_OGG
- decoder->private_->got_a_frame = true;
-#endif
- decoder->private_->last_frame = *frame; /* save the frame */
- if(this_frame_sample <= target_sample && target_sample < next_frame_sample) { /* we hit our target frame */
- unsigned delta = (unsigned)(target_sample - this_frame_sample);
- /* kick out of seek mode */
- decoder->private_->is_seeking = false;
- /* shift out the samples before target_sample */
- if(delta > 0) {
- unsigned channel;
- const FLAC__int32 *newbuffer[FLAC__MAX_CHANNELS];
- for(channel = 0; channel < frame->header.channels; channel++)
- newbuffer[channel] = buffer[channel] + delta;
- decoder->private_->last_frame.header.blocksize -= delta;
- decoder->private_->last_frame.header.number.sample_number += (FLAC__uint64)delta;
- /* write the relevant samples */
- return decoder->private_->write_callback(decoder, &decoder->private_->last_frame, newbuffer, decoder->private_->client_data);
- }
- else {
- /* write the relevant samples */
- return decoder->private_->write_callback(decoder, frame, buffer, decoder->private_->client_data);
- }
- }
- else {
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
- }
- }
- else {
- /*
- * If we never got STREAMINFO, turn off MD5 checking to save
- * cycles since we don't have a sum to compare to anyway
- */
- if(!decoder->private_->has_stream_info)
- decoder->private_->do_md5_checking = false;
- if(decoder->private_->do_md5_checking) {
- if(!FLAC__MD5Accumulate(&decoder->private_->md5context, buffer, frame->header.channels, frame->header.blocksize, (frame->header.bits_per_sample+7) / 8))
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- return decoder->private_->write_callback(decoder, frame, buffer, decoder->private_->client_data);
- }
-}
-
-void send_error_to_client_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status)
-{
- if(!decoder->private_->is_seeking)
- decoder->private_->error_callback(decoder, status, decoder->private_->client_data);
- else if(status == FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM)
- decoder->private_->unparseable_frame_count++;
-}
-
-FLAC__bool seek_to_absolute_sample_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample)
-{
- FLAC__uint64 first_frame_offset = decoder->private_->first_frame_offset, lower_bound, upper_bound, lower_bound_sample, upper_bound_sample, this_frame_sample;
- FLAC__int64 pos = -1;
- int i;
- unsigned approx_bytes_per_frame;
- FLAC__bool first_seek = true;
- const FLAC__uint64 total_samples = FLAC__stream_decoder_get_total_samples(decoder);
- const unsigned min_blocksize = decoder->private_->stream_info.data.stream_info.min_blocksize;
- const unsigned max_blocksize = decoder->private_->stream_info.data.stream_info.max_blocksize;
- const unsigned max_framesize = decoder->private_->stream_info.data.stream_info.max_framesize;
- const unsigned min_framesize = decoder->private_->stream_info.data.stream_info.min_framesize;
- /* take these from the current frame in case they've changed mid-stream */
- unsigned channels = FLAC__stream_decoder_get_channels(decoder);
- unsigned bps = FLAC__stream_decoder_get_bits_per_sample(decoder);
- const FLAC__StreamMetadata_SeekTable *seek_table = decoder->private_->has_seek_table? &decoder->private_->seek_table.data.seek_table : 0;
-
- /* use values from stream info if we didn't decode a frame */
- if(channels == 0)
- channels = decoder->private_->stream_info.data.stream_info.channels;
- if(bps == 0)
- bps = decoder->private_->stream_info.data.stream_info.bits_per_sample;
-
- /* we are just guessing here */
- if(max_framesize > 0)
- approx_bytes_per_frame = (max_framesize + min_framesize) / 2 + 1;
- /*
- * Check if it's a known fixed-blocksize stream. Note that though
- * the spec doesn't allow zeroes in the STREAMINFO block, we may
- * never get a STREAMINFO block when decoding so the value of
- * min_blocksize might be zero.
- */
- else if(min_blocksize == max_blocksize && min_blocksize > 0) {
- /* note there are no () around 'bps/8' to keep precision up since it's an integer calulation */
- approx_bytes_per_frame = min_blocksize * channels * bps/8 + 64;
- }
- else
- approx_bytes_per_frame = 4096 * channels * bps/8 + 64;
-
- /*
- * First, we set an upper and lower bound on where in the
- * stream we will search. For now we assume the worst case
- * scenario, which is our best guess at the beginning of
- * the first frame and end of the stream.
- */
- lower_bound = first_frame_offset;
- lower_bound_sample = 0;
- upper_bound = stream_length;
- upper_bound_sample = total_samples > 0 ? total_samples : target_sample /*estimate it*/;
-
- /*
- * Now we refine the bounds if we have a seektable with
- * suitable points. Note that according to the spec they
- * must be ordered by ascending sample number.
- *
- * Note: to protect against invalid seek tables we will ignore points
- * that have frame_samples==0 or sample_number>=total_samples
- */
- if(seek_table) {
- FLAC__uint64 new_lower_bound = lower_bound;
- FLAC__uint64 new_upper_bound = upper_bound;
- FLAC__uint64 new_lower_bound_sample = lower_bound_sample;
- FLAC__uint64 new_upper_bound_sample = upper_bound_sample;
-
- /* find the closest seek point <= target_sample, if it exists */
- for(i = (int)seek_table->num_points - 1; i >= 0; i--) {
- if(
- seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER &&
- seek_table->points[i].frame_samples > 0 && /* defense against bad seekpoints */
- (total_samples <= 0 || seek_table->points[i].sample_number < total_samples) && /* defense against bad seekpoints */
- seek_table->points[i].sample_number <= target_sample
- )
- break;
- }
- if(i >= 0) { /* i.e. we found a suitable seek point... */
- new_lower_bound = first_frame_offset + seek_table->points[i].stream_offset;
- new_lower_bound_sample = seek_table->points[i].sample_number;
- }
-
- /* find the closest seek point > target_sample, if it exists */
- for(i = 0; i < (int)seek_table->num_points; i++) {
- if(
- seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER &&
- seek_table->points[i].frame_samples > 0 && /* defense against bad seekpoints */
- (total_samples <= 0 || seek_table->points[i].sample_number < total_samples) && /* defense against bad seekpoints */
- seek_table->points[i].sample_number > target_sample
- )
- break;
- }
- if(i < (int)seek_table->num_points) { /* i.e. we found a suitable seek point... */
- new_upper_bound = first_frame_offset + seek_table->points[i].stream_offset;
- new_upper_bound_sample = seek_table->points[i].sample_number;
- }
- /* final protection against unsorted seek tables; keep original values if bogus */
- if(new_upper_bound >= new_lower_bound) {
- lower_bound = new_lower_bound;
- upper_bound = new_upper_bound;
- lower_bound_sample = new_lower_bound_sample;
- upper_bound_sample = new_upper_bound_sample;
- }
- }
-
- FLAC__ASSERT(upper_bound_sample >= lower_bound_sample);
- /* there are 2 insidious ways that the following equality occurs, which
- * we need to fix:
- * 1) total_samples is 0 (unknown) and target_sample is 0
- * 2) total_samples is 0 (unknown) and target_sample happens to be
- * exactly equal to the last seek point in the seek table; this
- * means there is no seek point above it, and upper_bound_samples
- * remains equal to the estimate (of target_samples) we made above
- * in either case it does not hurt to move upper_bound_sample up by 1
- */
- if(upper_bound_sample == lower_bound_sample)
- upper_bound_sample++;
-
- decoder->private_->target_sample = target_sample;
- while(1) {
- /* check if the bounds are still ok */
- if (lower_bound_sample >= upper_bound_sample || lower_bound > upper_bound) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- pos = (FLAC__int64)lower_bound + (FLAC__int64)((double)(target_sample - lower_bound_sample) / (double)(upper_bound_sample - lower_bound_sample) * (double)(upper_bound - lower_bound)) - approx_bytes_per_frame;
-#else
- /* a little less accurate: */
- if(upper_bound - lower_bound < 0xffffffff)
- pos = (FLAC__int64)lower_bound + (FLAC__int64)(((target_sample - lower_bound_sample) * (upper_bound - lower_bound)) / (upper_bound_sample - lower_bound_sample)) - approx_bytes_per_frame;
- else /* @@@ WATCHOUT, ~2TB limit */
- pos = (FLAC__int64)lower_bound + (FLAC__int64)((((target_sample - lower_bound_sample)>>8) * ((upper_bound - lower_bound)>>8)) / ((upper_bound_sample - lower_bound_sample)>>16)) - approx_bytes_per_frame;
-#endif
- if(pos >= (FLAC__int64)upper_bound)
- pos = (FLAC__int64)upper_bound - 1;
- if(pos < (FLAC__int64)lower_bound)
- pos = (FLAC__int64)lower_bound;
- if(decoder->private_->seek_callback(decoder, (FLAC__uint64)pos, decoder->private_->client_data) != FLAC__STREAM_DECODER_SEEK_STATUS_OK) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- if(!FLAC__stream_decoder_flush(decoder)) {
- /* above call sets the state for us */
- return false;
- }
- /* Now we need to get a frame. First we need to reset our
- * unparseable_frame_count; if we get too many unparseable
- * frames in a row, the read callback will return
- * FLAC__STREAM_DECODER_READ_STATUS_ABORT, causing
- * FLAC__stream_decoder_process_single() to return false.
- */
- decoder->private_->unparseable_frame_count = 0;
- if(!FLAC__stream_decoder_process_single(decoder) ||
- decoder->protected_->state == FLAC__STREAM_DECODER_ABORTED) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- /* our write callback will change the state when it gets to the target frame */
- /* actually, we could have got_a_frame if our decoder is at FLAC__STREAM_DECODER_END_OF_STREAM so we need to check for that also */
-#if 0
- /*@@@@@@ used to be the following; not clear if the check for end of stream is needed anymore */
- if(decoder->protected_->state != FLAC__SEEKABLE_STREAM_DECODER_SEEKING && decoder->protected_->state != FLAC__STREAM_DECODER_END_OF_STREAM)
- break;
-#endif
- if(!decoder->private_->is_seeking)
- break;
-
- FLAC__ASSERT(decoder->private_->last_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
- this_frame_sample = decoder->private_->last_frame.header.number.sample_number;
-
- if (0 == decoder->private_->samples_decoded || (this_frame_sample + decoder->private_->last_frame.header.blocksize >= upper_bound_sample && !first_seek)) {
- if (pos == (FLAC__int64)lower_bound) {
- /* can't move back any more than the first frame, something is fatally wrong */
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- /* our last move backwards wasn't big enough, try again */
- approx_bytes_per_frame = approx_bytes_per_frame? approx_bytes_per_frame * 2 : 16;
- continue;
- }
- /* allow one seek over upper bound, so we can get a correct upper_bound_sample for streams with unknown total_samples */
- first_seek = false;
-
- /* make sure we are not seeking in corrupted stream */
- if (this_frame_sample < lower_bound_sample) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
-
- /* we need to narrow the search */
- if(target_sample < this_frame_sample) {
- upper_bound_sample = this_frame_sample + decoder->private_->last_frame.header.blocksize;
-/*@@@@@@ what will decode position be if at end of stream? */
- if(!FLAC__stream_decoder_get_decode_position(decoder, &upper_bound)) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- approx_bytes_per_frame = (unsigned)(2 * (upper_bound - pos) / 3 + 16);
- }
- else { /* target_sample >= this_frame_sample + this frame's blocksize */
- lower_bound_sample = this_frame_sample + decoder->private_->last_frame.header.blocksize;
- if(!FLAC__stream_decoder_get_decode_position(decoder, &lower_bound)) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- approx_bytes_per_frame = (unsigned)(2 * (lower_bound - pos) / 3 + 16);
- }
- }
-
- return true;
-}
-
-#if FLAC__HAS_OGG
-FLAC__bool seek_to_absolute_sample_ogg_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample)
-{
- FLAC__uint64 left_pos = 0, right_pos = stream_length;
- FLAC__uint64 left_sample = 0, right_sample = FLAC__stream_decoder_get_total_samples(decoder);
- FLAC__uint64 this_frame_sample = (FLAC__uint64)0 - 1;
- FLAC__uint64 pos = 0; /* only initialized to avoid compiler warning */
- FLAC__bool did_a_seek;
- unsigned iteration = 0;
-
- /* In the first iterations, we will calculate the target byte position
- * by the distance from the target sample to left_sample and
- * right_sample (let's call it "proportional search"). After that, we
- * will switch to binary search.
- */
- unsigned BINARY_SEARCH_AFTER_ITERATION = 2;
-
- /* We will switch to a linear search once our current sample is less
- * than this number of samples ahead of the target sample
- */
- static const FLAC__uint64 LINEAR_SEARCH_WITHIN_SAMPLES = FLAC__MAX_BLOCK_SIZE * 2;
-
- /* If the total number of samples is unknown, use a large value, and
- * force binary search immediately.
- */
- if(right_sample == 0) {
- right_sample = (FLAC__uint64)(-1);
- BINARY_SEARCH_AFTER_ITERATION = 0;
- }
-
- decoder->private_->target_sample = target_sample;
- for( ; ; iteration++) {
- if (iteration == 0 || this_frame_sample > target_sample || target_sample - this_frame_sample > LINEAR_SEARCH_WITHIN_SAMPLES) {
- if (iteration >= BINARY_SEARCH_AFTER_ITERATION) {
- pos = (right_pos + left_pos) / 2;
- }
- else {
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- pos = (FLAC__uint64)((double)(target_sample - left_sample) / (double)(right_sample - left_sample) * (double)(right_pos - left_pos));
-#else
- /* a little less accurate: */
- if ((target_sample-left_sample <= 0xffffffff) && (right_pos-left_pos <= 0xffffffff))
- pos = (FLAC__int64)(((target_sample-left_sample) * (right_pos-left_pos)) / (right_sample-left_sample));
- else /* @@@ WATCHOUT, ~2TB limit */
- pos = (FLAC__int64)((((target_sample-left_sample)>>8) * ((right_pos-left_pos)>>8)) / ((right_sample-left_sample)>>16));
-#endif
- /* @@@ TODO: might want to limit pos to some distance
- * before EOF, to make sure we land before the last frame,
- * thereby getting a this_frame_sample and so having a better
- * estimate.
- */
- }
-
- /* physical seek */
- if(decoder->private_->seek_callback((FLAC__StreamDecoder*)decoder, (FLAC__uint64)pos, decoder->private_->client_data) != FLAC__STREAM_DECODER_SEEK_STATUS_OK) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- if(!FLAC__stream_decoder_flush(decoder)) {
- /* above call sets the state for us */
- return false;
- }
- did_a_seek = true;
- }
- else
- did_a_seek = false;
-
- decoder->private_->got_a_frame = false;
- if(!FLAC__stream_decoder_process_single(decoder) ||
- decoder->protected_->state == FLAC__STREAM_DECODER_ABORTED) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- if(!decoder->private_->got_a_frame) {
- if(did_a_seek) {
- /* this can happen if we seek to a point after the last frame; we drop
- * to binary search right away in this case to avoid any wasted
- * iterations of proportional search.
- */
- right_pos = pos;
- BINARY_SEARCH_AFTER_ITERATION = 0;
- }
- else {
- /* this can probably only happen if total_samples is unknown and the
- * target_sample is past the end of the stream
- */
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- }
- /* our write callback will change the state when it gets to the target frame */
- else if(!decoder->private_->is_seeking) {
- break;
- }
- else {
- this_frame_sample = decoder->private_->last_frame.header.number.sample_number;
- FLAC__ASSERT(decoder->private_->last_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
-
- if (did_a_seek) {
- if (this_frame_sample <= target_sample) {
- /* The 'equal' case should not happen, since
- * FLAC__stream_decoder_process_single()
- * should recognize that it has hit the
- * target sample and we would exit through
- * the 'break' above.
- */
- FLAC__ASSERT(this_frame_sample != target_sample);
-
- left_sample = this_frame_sample;
- /* sanity check to avoid infinite loop */
- if (left_pos == pos) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- left_pos = pos;
- }
- else if(this_frame_sample > target_sample) {
- right_sample = this_frame_sample;
- /* sanity check to avoid infinite loop */
- if (right_pos == pos) {
- decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR;
- return false;
- }
- right_pos = pos;
- }
- }
- }
- }
-
- return true;
-}
-#endif
-
-FLAC__StreamDecoderReadStatus file_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- (void)client_data;
-
- if(*bytes > 0) {
- *bytes = fread(buffer, sizeof(FLAC__byte), *bytes, decoder->private_->file);
- if(ferror(decoder->private_->file))
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
- else if(*bytes == 0)
- return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
- else
- return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
- }
- else
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */
-}
-
-FLAC__StreamDecoderSeekStatus file_seek_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
-{
- (void)client_data;
-
- if(decoder->private_->file == stdin)
- return FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
- else if(fseeko(decoder->private_->file, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0)
- return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
- else
- return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
-}
-
-FLAC__StreamDecoderTellStatus file_tell_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
-{
- FLAC__off_t pos;
- (void)client_data;
-
- if(decoder->private_->file == stdin)
- return FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
- else if((pos = ftello(decoder->private_->file)) < 0)
- return FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
- else {
- *absolute_byte_offset = (FLAC__uint64)pos;
- return FLAC__STREAM_DECODER_TELL_STATUS_OK;
- }
-}
-
-FLAC__StreamDecoderLengthStatus file_length_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
-{
- struct flac_stat_s filestats;
- (void)client_data;
-
- if(decoder->private_->file == stdin)
- return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
- else if(flac_fstat(fileno(decoder->private_->file), &filestats) != 0)
- return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
- else {
- *stream_length = (FLAC__uint64)filestats.st_size;
- return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
- }
-}
-
-FLAC__bool file_eof_callback_(const FLAC__StreamDecoder *decoder, void *client_data)
-{
- (void)client_data;
-
- return feof(decoder->private_->file)? true : false;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/stream_encoder.c b/deps/flac-1.3.2/src/libFLAC/stream_encoder.c
deleted file mode 100644
index 037b8cb..0000000
--- a/deps/flac-1.3.2/src/libFLAC/stream_encoder.c
+++ /dev/null
@@ -1,4549 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h> /* for malloc() */
-#include <string.h> /* for memcpy() */
-#include <sys/types.h> /* for off_t */
-#ifdef _WIN32
-#include <windows.h> /* for GetFileType() */
-#include <io.h> /* for _get_osfhandle() */
-#endif
-#include "share/compat.h"
-#include "FLAC/assert.h"
-#include "FLAC/stream_decoder.h"
-#include "protected/stream_encoder.h"
-#include "private/bitwriter.h"
-#include "private/bitmath.h"
-#include "private/crc.h"
-#include "private/cpu.h"
-#include "private/fixed.h"
-#include "private/format.h"
-#include "private/lpc.h"
-#include "private/md5.h"
-#include "private/memory.h"
-#include "private/macros.h"
-#if FLAC__HAS_OGG
-#include "private/ogg_helper.h"
-#include "private/ogg_mapping.h"
-#endif
-#include "private/stream_encoder.h"
-#include "private/stream_encoder_framing.h"
-#include "private/window.h"
-#include "share/alloc.h"
-#include "share/private.h"
-
-
-/* Exact Rice codeword length calculation is off by default. The simple
- * (and fast) estimation (of how many bits a residual value will be
- * encoded with) in this encoder is very good, almost always yielding
- * compression within 0.1% of exact calculation.
- */
-#undef EXACT_RICE_BITS_CALCULATION
-/* Rice parameter searching is off by default. The simple (and fast)
- * parameter estimation in this encoder is very good, almost always
- * yielding compression within 0.1% of the optimal parameters.
- */
-#undef ENABLE_RICE_PARAMETER_SEARCH
-
-
-typedef struct {
- FLAC__int32 *data[FLAC__MAX_CHANNELS];
- unsigned size; /* of each data[] in samples */
- unsigned tail;
-} verify_input_fifo;
-
-typedef struct {
- const FLAC__byte *data;
- unsigned capacity;
- unsigned bytes;
-} verify_output;
-
-typedef enum {
- ENCODER_IN_MAGIC = 0,
- ENCODER_IN_METADATA = 1,
- ENCODER_IN_AUDIO = 2
-} EncoderStateHint;
-
-static struct CompressionLevels {
- FLAC__bool do_mid_side_stereo;
- FLAC__bool loose_mid_side_stereo;
- unsigned max_lpc_order;
- unsigned qlp_coeff_precision;
- FLAC__bool do_qlp_coeff_prec_search;
- FLAC__bool do_escape_coding;
- FLAC__bool do_exhaustive_model_search;
- unsigned min_residual_partition_order;
- unsigned max_residual_partition_order;
- unsigned rice_parameter_search_dist;
- const char *apodization;
-} compression_levels_[] = {
- { false, false, 0, 0, false, false, false, 0, 3, 0, "tukey(5e-1)" },
- { true , true , 0, 0, false, false, false, 0, 3, 0, "tukey(5e-1)" },
- { true , false, 0, 0, false, false, false, 0, 3, 0, "tukey(5e-1)" },
- { false, false, 6, 0, false, false, false, 0, 4, 0, "tukey(5e-1)" },
- { true , true , 8, 0, false, false, false, 0, 4, 0, "tukey(5e-1)" },
- { true , false, 8, 0, false, false, false, 0, 5, 0, "tukey(5e-1)" },
- { true , false, 8, 0, false, false, false, 0, 6, 0, "tukey(5e-1);partial_tukey(2)" },
- { true , false, 12, 0, false, false, false, 0, 6, 0, "tukey(5e-1);partial_tukey(2)" },
- { true , false, 12, 0, false, false, false, 0, 6, 0, "tukey(5e-1);partial_tukey(2);punchout_tukey(3)" }
- /* here we use locale-independent 5e-1 instead of 0.5 or 0,5 */
-};
-
-
-/***********************************************************************
- *
- * Private class method prototypes
- *
- ***********************************************************************/
-
-static void set_defaults_(FLAC__StreamEncoder *encoder);
-static void free_(FLAC__StreamEncoder *encoder);
-static FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_blocksize);
-static FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples, FLAC__bool is_last_block);
-static FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, FLAC__bool is_last_block);
-static void update_metadata_(const FLAC__StreamEncoder *encoder);
-#if FLAC__HAS_OGG
-static void update_ogg_metadata_(FLAC__StreamEncoder *encoder);
-#endif
-static FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block, FLAC__bool is_last_block);
-static FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block);
-
-static FLAC__bool process_subframe_(
- FLAC__StreamEncoder *encoder,
- unsigned min_partition_order,
- unsigned max_partition_order,
- const FLAC__FrameHeader *frame_header,
- unsigned subframe_bps,
- const FLAC__int32 integer_signal[],
- FLAC__Subframe *subframe[2],
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2],
- FLAC__int32 *residual[2],
- unsigned *best_subframe,
- unsigned *best_bits
-);
-
-static FLAC__bool add_subframe_(
- FLAC__StreamEncoder *encoder,
- unsigned blocksize,
- unsigned subframe_bps,
- const FLAC__Subframe *subframe,
- FLAC__BitWriter *frame
-);
-
-static unsigned evaluate_constant_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal,
- unsigned blocksize,
- unsigned subframe_bps,
- FLAC__Subframe *subframe
-);
-
-static unsigned evaluate_fixed_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal[],
- FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned raw_bits_per_partition[],
- unsigned blocksize,
- unsigned subframe_bps,
- unsigned order,
- unsigned rice_parameter,
- unsigned rice_parameter_limit,
- unsigned min_partition_order,
- unsigned max_partition_order,
- FLAC__bool do_escape_coding,
- unsigned rice_parameter_search_dist,
- FLAC__Subframe *subframe,
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
-);
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-static unsigned evaluate_lpc_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal[],
- FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned raw_bits_per_partition[],
- const FLAC__real lp_coeff[],
- unsigned blocksize,
- unsigned subframe_bps,
- unsigned order,
- unsigned qlp_coeff_precision,
- unsigned rice_parameter,
- unsigned rice_parameter_limit,
- unsigned min_partition_order,
- unsigned max_partition_order,
- FLAC__bool do_escape_coding,
- unsigned rice_parameter_search_dist,
- FLAC__Subframe *subframe,
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
-);
-#endif
-
-static unsigned evaluate_verbatim_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal[],
- unsigned blocksize,
- unsigned subframe_bps,
- FLAC__Subframe *subframe
-);
-
-static unsigned find_best_partition_order_(
- struct FLAC__StreamEncoderPrivate *private_,
- const FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned raw_bits_per_partition[],
- unsigned residual_samples,
- unsigned predictor_order,
- unsigned rice_parameter,
- unsigned rice_parameter_limit,
- unsigned min_partition_order,
- unsigned max_partition_order,
- unsigned bps,
- FLAC__bool do_escape_coding,
- unsigned rice_parameter_search_dist,
- FLAC__EntropyCodingMethod *best_ecm
-);
-
-static void precompute_partition_info_sums_(
- const FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples,
- unsigned predictor_order,
- unsigned min_partition_order,
- unsigned max_partition_order,
- unsigned bps
-);
-
-static void precompute_partition_info_escapes_(
- const FLAC__int32 residual[],
- unsigned raw_bits_per_partition[],
- unsigned residual_samples,
- unsigned predictor_order,
- unsigned min_partition_order,
- unsigned max_partition_order
-);
-
-static FLAC__bool set_partitioned_rice_(
-#ifdef EXACT_RICE_BITS_CALCULATION
- const FLAC__int32 residual[],
-#endif
- const FLAC__uint64 abs_residual_partition_sums[],
- const unsigned raw_bits_per_partition[],
- const unsigned residual_samples,
- const unsigned predictor_order,
- const unsigned suggested_rice_parameter,
- const unsigned rice_parameter_limit,
- const unsigned rice_parameter_search_dist,
- const unsigned partition_order,
- const FLAC__bool search_for_escapes,
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents,
- unsigned *bits
-);
-
-static unsigned get_wasted_bits_(FLAC__int32 signal[], unsigned samples);
-
-/* verify-related routines: */
-static void append_to_verify_fifo_(
- verify_input_fifo *fifo,
- const FLAC__int32 * const input[],
- unsigned input_offset,
- unsigned channels,
- unsigned wide_samples
-);
-
-static void append_to_verify_fifo_interleaved_(
- verify_input_fifo *fifo,
- const FLAC__int32 input[],
- unsigned input_offset,
- unsigned channels,
- unsigned wide_samples
-);
-
-static FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
-static FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
-static void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
-static void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
-
-static FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
-static FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data);
-static FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
-static FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data);
-static FILE *get_binary_stdout_(void);
-
-
-/***********************************************************************
- *
- * Private class data
- *
- ***********************************************************************/
-
-typedef struct FLAC__StreamEncoderPrivate {
- unsigned input_capacity; /* current size (in samples) of the signal and residual buffers */
- FLAC__int32 *integer_signal[FLAC__MAX_CHANNELS]; /* the integer version of the input signal */
- FLAC__int32 *integer_signal_mid_side[2]; /* the integer version of the mid-side input signal (stereo only) */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- FLAC__real *real_signal[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) the floating-point version of the input signal */
- FLAC__real *real_signal_mid_side[2]; /* (@@@ currently unused) the floating-point version of the mid-side input signal (stereo only) */
- FLAC__real *window[FLAC__MAX_APODIZATION_FUNCTIONS]; /* the pre-computed floating-point window for each apodization function */
- FLAC__real *windowed_signal; /* the integer_signal[] * current window[] */
-#endif
- unsigned subframe_bps[FLAC__MAX_CHANNELS]; /* the effective bits per sample of the input signal (stream bps - wasted bits) */
- unsigned subframe_bps_mid_side[2]; /* the effective bits per sample of the mid-side input signal (stream bps - wasted bits + 0/1) */
- FLAC__int32 *residual_workspace[FLAC__MAX_CHANNELS][2]; /* each channel has a candidate and best workspace where the subframe residual signals will be stored */
- FLAC__int32 *residual_workspace_mid_side[2][2];
- FLAC__Subframe subframe_workspace[FLAC__MAX_CHANNELS][2];
- FLAC__Subframe subframe_workspace_mid_side[2][2];
- FLAC__Subframe *subframe_workspace_ptr[FLAC__MAX_CHANNELS][2];
- FLAC__Subframe *subframe_workspace_ptr_mid_side[2][2];
- FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace[FLAC__MAX_CHANNELS][2];
- FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace_mid_side[FLAC__MAX_CHANNELS][2];
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr[FLAC__MAX_CHANNELS][2];
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr_mid_side[FLAC__MAX_CHANNELS][2];
- unsigned best_subframe[FLAC__MAX_CHANNELS]; /* index (0 or 1) into 2nd dimension of the above workspaces */
- unsigned best_subframe_mid_side[2];
- unsigned best_subframe_bits[FLAC__MAX_CHANNELS]; /* size in bits of the best subframe for each channel */
- unsigned best_subframe_bits_mid_side[2];
- FLAC__uint64 *abs_residual_partition_sums; /* workspace where the sum of abs(candidate residual) for each partition is stored */
- unsigned *raw_bits_per_partition; /* workspace where the sum of silog2(candidate residual) for each partition is stored */
- FLAC__BitWriter *frame; /* the current frame being worked on */
- unsigned loose_mid_side_stereo_frames; /* rounded number of frames the encoder will use before trying both independent and mid/side frames again */
- unsigned loose_mid_side_stereo_frame_count; /* number of frames using the current channel assignment */
- FLAC__ChannelAssignment last_channel_assignment;
- FLAC__StreamMetadata streaminfo; /* scratchpad for STREAMINFO as it is built */
- FLAC__StreamMetadata_SeekTable *seek_table; /* pointer into encoder->protected_->metadata_ where the seek table is */
- unsigned current_sample_number;
- unsigned current_frame_number;
- FLAC__MD5Context md5context;
- FLAC__CPUInfo cpuinfo;
- void (*local_precompute_partition_info_sums)(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps);
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- unsigned (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
- unsigned (*local_fixed_compute_best_predictor_wide)(const FLAC__int32 data[], unsigned data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-#else
- unsigned (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
- unsigned (*local_fixed_compute_best_predictor_wide)(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
-#endif
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- void (*local_lpc_compute_autocorrelation)(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
- void (*local_lpc_compute_residual_from_qlp_coefficients)(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
- void (*local_lpc_compute_residual_from_qlp_coefficients_64bit)(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
- void (*local_lpc_compute_residual_from_qlp_coefficients_16bit)(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
-#endif
- FLAC__bool disable_constant_subframes;
- FLAC__bool disable_fixed_subframes;
- FLAC__bool disable_verbatim_subframes;
- FLAC__bool is_ogg;
- FLAC__StreamEncoderReadCallback read_callback; /* currently only needed for Ogg FLAC */
- FLAC__StreamEncoderSeekCallback seek_callback;
- FLAC__StreamEncoderTellCallback tell_callback;
- FLAC__StreamEncoderWriteCallback write_callback;
- FLAC__StreamEncoderMetadataCallback metadata_callback;
- FLAC__StreamEncoderProgressCallback progress_callback;
- void *client_data;
- unsigned first_seekpoint_to_check;
- FILE *file; /* only used when encoding to a file */
- FLAC__uint64 bytes_written;
- FLAC__uint64 samples_written;
- unsigned frames_written;
- unsigned total_frames_estimate;
- /* unaligned (original) pointers to allocated data */
- FLAC__int32 *integer_signal_unaligned[FLAC__MAX_CHANNELS];
- FLAC__int32 *integer_signal_mid_side_unaligned[2];
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- FLAC__real *real_signal_unaligned[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) */
- FLAC__real *real_signal_mid_side_unaligned[2]; /* (@@@ currently unused) */
- FLAC__real *window_unaligned[FLAC__MAX_APODIZATION_FUNCTIONS];
- FLAC__real *windowed_signal_unaligned;
-#endif
- FLAC__int32 *residual_workspace_unaligned[FLAC__MAX_CHANNELS][2];
- FLAC__int32 *residual_workspace_mid_side_unaligned[2][2];
- FLAC__uint64 *abs_residual_partition_sums_unaligned;
- unsigned *raw_bits_per_partition_unaligned;
- /*
- * These fields have been moved here from private function local
- * declarations merely to save stack space during encoding.
- */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- FLAC__real lp_coeff[FLAC__MAX_LPC_ORDER][FLAC__MAX_LPC_ORDER]; /* from process_subframe_() */
-#endif
- FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_extra[2]; /* from find_best_partition_order_() */
- /*
- * The data for the verify section
- */
- struct {
- FLAC__StreamDecoder *decoder;
- EncoderStateHint state_hint;
- FLAC__bool needs_magic_hack;
- verify_input_fifo input_fifo;
- verify_output output;
- struct {
- FLAC__uint64 absolute_sample;
- unsigned frame_number;
- unsigned channel;
- unsigned sample;
- FLAC__int32 expected;
- FLAC__int32 got;
- } error_stats;
- } verify;
- FLAC__bool is_being_deleted; /* if true, call to ..._finish() from ..._delete() will not call the callbacks */
-} FLAC__StreamEncoderPrivate;
-
-/***********************************************************************
- *
- * Public static class data
- *
- ***********************************************************************/
-
-FLAC_API const char * const FLAC__StreamEncoderStateString[] = {
- "FLAC__STREAM_ENCODER_OK",
- "FLAC__STREAM_ENCODER_UNINITIALIZED",
- "FLAC__STREAM_ENCODER_OGG_ERROR",
- "FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR",
- "FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA",
- "FLAC__STREAM_ENCODER_CLIENT_ERROR",
- "FLAC__STREAM_ENCODER_IO_ERROR",
- "FLAC__STREAM_ENCODER_FRAMING_ERROR",
- "FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR"
-};
-
-FLAC_API const char * const FLAC__StreamEncoderInitStatusString[] = {
- "FLAC__STREAM_ENCODER_INIT_STATUS_OK",
- "FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR",
- "FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION",
- "FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER",
- "FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE",
- "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA",
- "FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED"
-};
-
-FLAC_API const char * const FLAC__StreamEncoderReadStatusString[] = {
- "FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE",
- "FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM",
- "FLAC__STREAM_ENCODER_READ_STATUS_ABORT",
- "FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED"
-};
-
-FLAC_API const char * const FLAC__StreamEncoderWriteStatusString[] = {
- "FLAC__STREAM_ENCODER_WRITE_STATUS_OK",
- "FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR"
-};
-
-FLAC_API const char * const FLAC__StreamEncoderSeekStatusString[] = {
- "FLAC__STREAM_ENCODER_SEEK_STATUS_OK",
- "FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR",
- "FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED"
-};
-
-FLAC_API const char * const FLAC__StreamEncoderTellStatusString[] = {
- "FLAC__STREAM_ENCODER_TELL_STATUS_OK",
- "FLAC__STREAM_ENCODER_TELL_STATUS_ERROR",
- "FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED"
-};
-
-/* Number of samples that will be overread to watch for end of stream. By
- * 'overread', we mean that the FLAC__stream_encoder_process*() calls will
- * always try to read blocksize+1 samples before encoding a block, so that
- * even if the stream has a total sample count that is an integral multiple
- * of the blocksize, we will still notice when we are encoding the last
- * block. This is needed, for example, to correctly set the end-of-stream
- * marker in Ogg FLAC.
- *
- * WATCHOUT: some parts of the code assert that OVERREAD_ == 1 and there's
- * not really any reason to change it.
- */
-static const unsigned OVERREAD_ = 1;
-
-/***********************************************************************
- *
- * Class constructor/destructor
- *
- */
-FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new(void)
-{
- FLAC__StreamEncoder *encoder;
- unsigned i;
-
- FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */
-
- encoder = calloc(1, sizeof(FLAC__StreamEncoder));
- if(encoder == 0) {
- return 0;
- }
-
- encoder->protected_ = calloc(1, sizeof(FLAC__StreamEncoderProtected));
- if(encoder->protected_ == 0) {
- free(encoder);
- return 0;
- }
-
- encoder->private_ = calloc(1, sizeof(FLAC__StreamEncoderPrivate));
- if(encoder->private_ == 0) {
- free(encoder->protected_);
- free(encoder);
- return 0;
- }
-
- encoder->private_->frame = FLAC__bitwriter_new();
- if(encoder->private_->frame == 0) {
- free(encoder->private_);
- free(encoder->protected_);
- free(encoder);
- return 0;
- }
-
- encoder->private_->file = 0;
-
- set_defaults_(encoder);
-
- encoder->private_->is_being_deleted = false;
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- encoder->private_->subframe_workspace_ptr[i][0] = &encoder->private_->subframe_workspace[i][0];
- encoder->private_->subframe_workspace_ptr[i][1] = &encoder->private_->subframe_workspace[i][1];
- }
- for(i = 0; i < 2; i++) {
- encoder->private_->subframe_workspace_ptr_mid_side[i][0] = &encoder->private_->subframe_workspace_mid_side[i][0];
- encoder->private_->subframe_workspace_ptr_mid_side[i][1] = &encoder->private_->subframe_workspace_mid_side[i][1];
- }
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- encoder->private_->partitioned_rice_contents_workspace_ptr[i][0] = &encoder->private_->partitioned_rice_contents_workspace[i][0];
- encoder->private_->partitioned_rice_contents_workspace_ptr[i][1] = &encoder->private_->partitioned_rice_contents_workspace[i][1];
- }
- for(i = 0; i < 2; i++) {
- encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[i][0] = &encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0];
- encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[i][1] = &encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1];
- }
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace[i][0]);
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace[i][1]);
- }
- for(i = 0; i < 2; i++) {
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]);
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]);
- }
- for(i = 0; i < 2; i++)
- FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_extra[i]);
-
- encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED;
-
- return encoder;
-}
-
-FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder)
-{
- unsigned i;
-
- if (encoder == NULL)
- return ;
-
- FLAC__ASSERT(0 != encoder->protected_);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->private_->frame);
-
- encoder->private_->is_being_deleted = true;
-
- (void)FLAC__stream_encoder_finish(encoder);
-
- if(0 != encoder->private_->verify.decoder)
- FLAC__stream_decoder_delete(encoder->private_->verify.decoder);
-
- for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
- FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace[i][0]);
- FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace[i][1]);
- }
- for(i = 0; i < 2; i++) {
- FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]);
- FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]);
- }
- for(i = 0; i < 2; i++)
- FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_extra[i]);
-
- FLAC__bitwriter_delete(encoder->private_->frame);
- free(encoder->private_);
- free(encoder->protected_);
- free(encoder);
-}
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-static FLAC__StreamEncoderInitStatus init_stream_internal_(
- FLAC__StreamEncoder *encoder,
- FLAC__StreamEncoderReadCallback read_callback,
- FLAC__StreamEncoderWriteCallback write_callback,
- FLAC__StreamEncoderSeekCallback seek_callback,
- FLAC__StreamEncoderTellCallback tell_callback,
- FLAC__StreamEncoderMetadataCallback metadata_callback,
- void *client_data,
- FLAC__bool is_ogg
-)
-{
- unsigned i;
- FLAC__bool metadata_has_seektable, metadata_has_vorbis_comment, metadata_picture_has_type1, metadata_picture_has_type2;
-
- FLAC__ASSERT(0 != encoder);
-
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED;
-
- if(FLAC__HAS_OGG == 0 && is_ogg)
- return FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER;
-
- if(0 == write_callback || (seek_callback && 0 == tell_callback))
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS;
-
- if(encoder->protected_->channels == 0 || encoder->protected_->channels > FLAC__MAX_CHANNELS)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS;
-
- if(encoder->protected_->channels != 2) {
- encoder->protected_->do_mid_side_stereo = false;
- encoder->protected_->loose_mid_side_stereo = false;
- }
- else if(!encoder->protected_->do_mid_side_stereo)
- encoder->protected_->loose_mid_side_stereo = false;
-
- if(encoder->protected_->bits_per_sample >= 32)
- encoder->protected_->do_mid_side_stereo = false; /* since we currenty do 32-bit math, the side channel would have 33 bps and overflow */
-
- if(encoder->protected_->bits_per_sample < FLAC__MIN_BITS_PER_SAMPLE || encoder->protected_->bits_per_sample > FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE;
-
- if(!FLAC__format_sample_rate_is_valid(encoder->protected_->sample_rate))
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE;
-
- if(encoder->protected_->blocksize == 0) {
- if(encoder->protected_->max_lpc_order == 0)
- encoder->protected_->blocksize = 1152;
- else
- encoder->protected_->blocksize = 4096;
- }
-
- if(encoder->protected_->blocksize < FLAC__MIN_BLOCK_SIZE || encoder->protected_->blocksize > FLAC__MAX_BLOCK_SIZE)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE;
-
- if(encoder->protected_->max_lpc_order > FLAC__MAX_LPC_ORDER)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER;
-
- if(encoder->protected_->blocksize < encoder->protected_->max_lpc_order)
- return FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER;
-
- if(encoder->protected_->qlp_coeff_precision == 0) {
- if(encoder->protected_->bits_per_sample < 16) {
- /* @@@ need some data about how to set this here w.r.t. blocksize and sample rate */
- /* @@@ until then we'll make a guess */
- encoder->protected_->qlp_coeff_precision = flac_max(FLAC__MIN_QLP_COEFF_PRECISION, 2 + encoder->protected_->bits_per_sample / 2);
- }
- else if(encoder->protected_->bits_per_sample == 16) {
- if(encoder->protected_->blocksize <= 192)
- encoder->protected_->qlp_coeff_precision = 7;
- else if(encoder->protected_->blocksize <= 384)
- encoder->protected_->qlp_coeff_precision = 8;
- else if(encoder->protected_->blocksize <= 576)
- encoder->protected_->qlp_coeff_precision = 9;
- else if(encoder->protected_->blocksize <= 1152)
- encoder->protected_->qlp_coeff_precision = 10;
- else if(encoder->protected_->blocksize <= 2304)
- encoder->protected_->qlp_coeff_precision = 11;
- else if(encoder->protected_->blocksize <= 4608)
- encoder->protected_->qlp_coeff_precision = 12;
- else
- encoder->protected_->qlp_coeff_precision = 13;
- }
- else {
- if(encoder->protected_->blocksize <= 384)
- encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION-2;
- else if(encoder->protected_->blocksize <= 1152)
- encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION-1;
- else
- encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION;
- }
- FLAC__ASSERT(encoder->protected_->qlp_coeff_precision <= FLAC__MAX_QLP_COEFF_PRECISION);
- }
- else if(encoder->protected_->qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION || encoder->protected_->qlp_coeff_precision > FLAC__MAX_QLP_COEFF_PRECISION)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION;
-
- if(encoder->protected_->streamable_subset) {
- if(!FLAC__format_blocksize_is_subset(encoder->protected_->blocksize, encoder->protected_->sample_rate))
- return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
- if(!FLAC__format_sample_rate_is_subset(encoder->protected_->sample_rate))
- return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
- if(
- encoder->protected_->bits_per_sample != 8 &&
- encoder->protected_->bits_per_sample != 12 &&
- encoder->protected_->bits_per_sample != 16 &&
- encoder->protected_->bits_per_sample != 20 &&
- encoder->protected_->bits_per_sample != 24
- )
- return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
- if(encoder->protected_->max_residual_partition_order > FLAC__SUBSET_MAX_RICE_PARTITION_ORDER)
- return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
- if(
- encoder->protected_->sample_rate <= 48000 &&
- (
- encoder->protected_->blocksize > FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ ||
- encoder->protected_->max_lpc_order > FLAC__SUBSET_MAX_LPC_ORDER_48000HZ
- )
- ) {
- return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
- }
- }
-
- if(encoder->protected_->max_residual_partition_order >= (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
- encoder->protected_->max_residual_partition_order = (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN) - 1;
- if(encoder->protected_->min_residual_partition_order >= encoder->protected_->max_residual_partition_order)
- encoder->protected_->min_residual_partition_order = encoder->protected_->max_residual_partition_order;
-
-#if FLAC__HAS_OGG
- /* reorder metadata if necessary to ensure that any VORBIS_COMMENT is the first, according to the mapping spec */
- if(is_ogg && 0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 1) {
- unsigned i1;
- for(i1 = 1; i1 < encoder->protected_->num_metadata_blocks; i1++) {
- if(0 != encoder->protected_->metadata[i1] && encoder->protected_->metadata[i1]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
- FLAC__StreamMetadata *vc = encoder->protected_->metadata[i1];
- for( ; i1 > 0; i1--)
- encoder->protected_->metadata[i1] = encoder->protected_->metadata[i1-1];
- encoder->protected_->metadata[0] = vc;
- break;
- }
- }
- }
-#endif
- /* keep track of any SEEKTABLE block */
- if(0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) {
- unsigned i2;
- for(i2 = 0; i2 < encoder->protected_->num_metadata_blocks; i2++) {
- if(0 != encoder->protected_->metadata[i2] && encoder->protected_->metadata[i2]->type == FLAC__METADATA_TYPE_SEEKTABLE) {
- encoder->private_->seek_table = &encoder->protected_->metadata[i2]->data.seek_table;
- break; /* take only the first one */
- }
- }
- }
-
- /* validate metadata */
- if(0 == encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- metadata_has_seektable = false;
- metadata_has_vorbis_comment = false;
- metadata_picture_has_type1 = false;
- metadata_picture_has_type2 = false;
- for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) {
- const FLAC__StreamMetadata *m = encoder->protected_->metadata[i];
- if(m->type == FLAC__METADATA_TYPE_STREAMINFO)
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- else if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) {
- if(metadata_has_seektable) /* only one is allowed */
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- metadata_has_seektable = true;
- if(!FLAC__format_seektable_is_legal(&m->data.seek_table))
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- }
- else if(m->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
- if(metadata_has_vorbis_comment) /* only one is allowed */
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- metadata_has_vorbis_comment = true;
- }
- else if(m->type == FLAC__METADATA_TYPE_CUESHEET) {
- if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0))
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- }
- else if(m->type == FLAC__METADATA_TYPE_PICTURE) {
- if(!FLAC__format_picture_is_legal(&m->data.picture, /*violation=*/0))
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) {
- if(metadata_picture_has_type1) /* there should only be 1 per stream */
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- metadata_picture_has_type1 = true;
- /* standard icon must be 32x32 pixel PNG */
- if(
- m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD &&
- (
- (strcmp(m->data.picture.mime_type, "image/png") && strcmp(m->data.picture.mime_type, "-->")) ||
- m->data.picture.width != 32 ||
- m->data.picture.height != 32
- )
- )
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- }
- else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) {
- if(metadata_picture_has_type2) /* there should only be 1 per stream */
- return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
- metadata_picture_has_type2 = true;
- }
- }
- }
-
- encoder->private_->input_capacity = 0;
- for(i = 0; i < encoder->protected_->channels; i++) {
- encoder->private_->integer_signal_unaligned[i] = encoder->private_->integer_signal[i] = 0;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- encoder->private_->real_signal_unaligned[i] = encoder->private_->real_signal[i] = 0;
-#endif
- }
- for(i = 0; i < 2; i++) {
- encoder->private_->integer_signal_mid_side_unaligned[i] = encoder->private_->integer_signal_mid_side[i] = 0;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- encoder->private_->real_signal_mid_side_unaligned[i] = encoder->private_->real_signal_mid_side[i] = 0;
-#endif
- }
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- for(i = 0; i < encoder->protected_->num_apodizations; i++)
- encoder->private_->window_unaligned[i] = encoder->private_->window[i] = 0;
- encoder->private_->windowed_signal_unaligned = encoder->private_->windowed_signal = 0;
-#endif
- for(i = 0; i < encoder->protected_->channels; i++) {
- encoder->private_->residual_workspace_unaligned[i][0] = encoder->private_->residual_workspace[i][0] = 0;
- encoder->private_->residual_workspace_unaligned[i][1] = encoder->private_->residual_workspace[i][1] = 0;
- encoder->private_->best_subframe[i] = 0;
- }
- for(i = 0; i < 2; i++) {
- encoder->private_->residual_workspace_mid_side_unaligned[i][0] = encoder->private_->residual_workspace_mid_side[i][0] = 0;
- encoder->private_->residual_workspace_mid_side_unaligned[i][1] = encoder->private_->residual_workspace_mid_side[i][1] = 0;
- encoder->private_->best_subframe_mid_side[i] = 0;
- }
- encoder->private_->abs_residual_partition_sums_unaligned = encoder->private_->abs_residual_partition_sums = 0;
- encoder->private_->raw_bits_per_partition_unaligned = encoder->private_->raw_bits_per_partition = 0;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- encoder->private_->loose_mid_side_stereo_frames = (unsigned)((double)encoder->protected_->sample_rate * 0.4 / (double)encoder->protected_->blocksize + 0.5);
-#else
- /* 26214 is the approximate fixed-point equivalent to 0.4 (0.4 * 2^16) */
- /* sample rate can be up to 655350 Hz, and thus use 20 bits, so we do the multiply&divide by hand */
- FLAC__ASSERT(FLAC__MAX_SAMPLE_RATE <= 655350);
- FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535);
- FLAC__ASSERT(encoder->protected_->sample_rate <= 655350);
- FLAC__ASSERT(encoder->protected_->blocksize <= 65535);
- encoder->private_->loose_mid_side_stereo_frames = (unsigned)FLAC__fixedpoint_trunc((((FLAC__uint64)(encoder->protected_->sample_rate) * (FLAC__uint64)(26214)) << 16) / (encoder->protected_->blocksize<<16) + FLAC__FP_ONE_HALF);
-#endif
- if(encoder->private_->loose_mid_side_stereo_frames == 0)
- encoder->private_->loose_mid_side_stereo_frames = 1;
- encoder->private_->loose_mid_side_stereo_frame_count = 0;
- encoder->private_->current_sample_number = 0;
- encoder->private_->current_frame_number = 0;
-
- /*
- * get the CPU info and set the function pointers
- */
- FLAC__cpu_info(&encoder->private_->cpuinfo);
- /* first default to the non-asm routines */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation;
-#endif
- encoder->private_->local_precompute_partition_info_sums = precompute_partition_info_sums_;
- encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor;
- encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients;
-#endif
- /* now override with asm where appropriate */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-# ifndef FLAC__NO_ASM
- if(encoder->private_->cpuinfo.use_asm) {
-# ifdef FLAC__CPU_IA32
- FLAC__ASSERT(encoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32);
-# ifdef FLAC__HAS_NASM
- if(encoder->private_->cpuinfo.ia32.sse) {
- if(encoder->protected_->max_lpc_order < 4)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old;
- else if(encoder->protected_->max_lpc_order < 8)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old;
- else if(encoder->protected_->max_lpc_order < 12)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old;
- else if(encoder->protected_->max_lpc_order < 16)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old;
- else
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32;
- }
- else
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32;
-
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32; /* OPT_IA32: was really necessary for GCC < 4.9 */
- if(encoder->private_->cpuinfo.ia32.mmx) {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx;
- }
- else {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32;
- }
-
- if(encoder->private_->cpuinfo.ia32.mmx && encoder->private_->cpuinfo.ia32.cmov)
- encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov;
-# endif /* FLAC__HAS_NASM */
-# if FLAC__HAS_X86INTRIN
-# if defined FLAC__SSE_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.sse) {
- if(encoder->private_->cpuinfo.ia32.sse42 || !encoder->private_->cpuinfo.ia32.intel) { /* use new autocorrelation functions */
- if(encoder->protected_->max_lpc_order < 4)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new;
- else if(encoder->protected_->max_lpc_order < 8)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new;
- else if(encoder->protected_->max_lpc_order < 12)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new;
- else if(encoder->protected_->max_lpc_order < 16)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new;
- else
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation;
- }
- else { /* use old autocorrelation functions */
- if(encoder->protected_->max_lpc_order < 4)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old;
- else if(encoder->protected_->max_lpc_order < 8)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old;
- else if(encoder->protected_->max_lpc_order < 12)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old;
- else if(encoder->protected_->max_lpc_order < 16)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old;
- else
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation;
- }
- }
-# endif
-
-# ifdef FLAC__SSE2_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.sse2) {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2;
- }
-# endif
-# ifdef FLAC__SSE4_1_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.sse41) {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41;
- }
-# endif
-# ifdef FLAC__AVX2_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.avx2) {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2;
- }
-# endif
-
-# ifdef FLAC__SSE2_SUPPORTED
- if (encoder->private_->cpuinfo.ia32.sse2) {
- encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_sse2;
- encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide_intrin_sse2;
- }
-# endif
-# ifdef FLAC__SSSE3_SUPPORTED
- if (encoder->private_->cpuinfo.ia32.ssse3) {
- encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_ssse3;
- encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide_intrin_ssse3;
- }
-# endif
-# endif /* FLAC__HAS_X86INTRIN */
-# elif defined FLAC__CPU_X86_64
- FLAC__ASSERT(encoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_X86_64);
-# if FLAC__HAS_X86INTRIN
-# ifdef FLAC__SSE_SUPPORTED
- if(encoder->private_->cpuinfo.x86.sse42 || !encoder->private_->cpuinfo.x86.intel) { /* use new autocorrelation functions */
- if(encoder->protected_->max_lpc_order < 4)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_new;
- else if(encoder->protected_->max_lpc_order < 8)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_new;
- else if(encoder->protected_->max_lpc_order < 12)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_new;
- else if(encoder->protected_->max_lpc_order < 16)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_new;
- }
- else {
- if(encoder->protected_->max_lpc_order < 4)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_4_old;
- else if(encoder->protected_->max_lpc_order < 8)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_8_old;
- else if(encoder->protected_->max_lpc_order < 12)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_12_old;
- else if(encoder->protected_->max_lpc_order < 16)
- encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse_lag_16_old;
- }
-# endif
-
-# ifdef FLAC__SSE2_SUPPORTED
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2;
-# endif
-# ifdef FLAC__SSE4_1_SUPPORTED
- if(encoder->private_->cpuinfo.x86.sse41) {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41;
- }
-# endif
-# ifdef FLAC__AVX2_SUPPORTED
- if(encoder->private_->cpuinfo.x86.avx2) {
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2;
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2;
- }
-# endif
-
-# ifdef FLAC__SSE2_SUPPORTED
- encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_sse2;
- encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide_intrin_sse2;
-# endif
-# ifdef FLAC__SSSE3_SUPPORTED
- if (encoder->private_->cpuinfo.x86.ssse3) {
- encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_ssse3;
- encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide_intrin_ssse3;
- }
-# endif
-# endif /* FLAC__HAS_X86INTRIN */
-# endif /* FLAC__CPU_... */
- }
-# endif /* !FLAC__NO_ASM */
-#endif /* !FLAC__INTEGER_ONLY_LIBRARY */
-#if !defined FLAC__NO_ASM && FLAC__HAS_X86INTRIN
- if(encoder->private_->cpuinfo.use_asm) {
-# if defined FLAC__CPU_IA32
-# ifdef FLAC__SSE2_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.sse2)
- encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_sse2;
-# endif
-# ifdef FLAC__SSSE3_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.ssse3)
- encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_ssse3;
-# endif
-# ifdef FLAC__AVX2_SUPPORTED
- if(encoder->private_->cpuinfo.ia32.avx2)
- encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_avx2;
-# endif
-# elif defined FLAC__CPU_X86_64
-# ifdef FLAC__SSE2_SUPPORTED
- encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_sse2;
-# endif
-# ifdef FLAC__SSSE3_SUPPORTED
- if(encoder->private_->cpuinfo.x86.ssse3)
- encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_ssse3;
-# endif
-# ifdef FLAC__AVX2_SUPPORTED
- if(encoder->private_->cpuinfo.x86.avx2)
- encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_avx2;
-# endif
-# endif /* FLAC__CPU_... */
- }
-#endif /* !FLAC__NO_ASM && FLAC__HAS_X86INTRIN */
-
- /* set state to OK; from here on, errors are fatal and we'll override the state then */
- encoder->protected_->state = FLAC__STREAM_ENCODER_OK;
-
-#if FLAC__HAS_OGG
- encoder->private_->is_ogg = is_ogg;
- if(is_ogg && !FLAC__ogg_encoder_aspect_init(&encoder->protected_->ogg_encoder_aspect)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-#endif
-
- encoder->private_->read_callback = read_callback;
- encoder->private_->write_callback = write_callback;
- encoder->private_->seek_callback = seek_callback;
- encoder->private_->tell_callback = tell_callback;
- encoder->private_->metadata_callback = metadata_callback;
- encoder->private_->client_data = client_data;
-
- if(!resize_buffers_(encoder, encoder->protected_->blocksize)) {
- /* the above function sets the state for us in case of an error */
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- if(!FLAC__bitwriter_init(encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- /*
- * Set up the verify stuff if necessary
- */
- if(encoder->protected_->verify) {
- /*
- * First, set up the fifo which will hold the
- * original signal to compare against
- */
- encoder->private_->verify.input_fifo.size = encoder->protected_->blocksize+OVERREAD_;
- for(i = 0; i < encoder->protected_->channels; i++) {
- if(0 == (encoder->private_->verify.input_fifo.data[i] = safe_malloc_mul_2op_p(sizeof(FLAC__int32), /*times*/encoder->private_->verify.input_fifo.size))) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- }
- encoder->private_->verify.input_fifo.tail = 0;
-
- /*
- * Now set up a stream decoder for verification
- */
- if(0 == encoder->private_->verify.decoder) {
- encoder->private_->verify.decoder = FLAC__stream_decoder_new();
- if(0 == encoder->private_->verify.decoder) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- }
-
- if(FLAC__stream_decoder_init_stream(encoder->private_->verify.decoder, verify_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, verify_write_callback_, verify_metadata_callback_, verify_error_callback_, /*client_data=*/encoder) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- }
- encoder->private_->verify.error_stats.absolute_sample = 0;
- encoder->private_->verify.error_stats.frame_number = 0;
- encoder->private_->verify.error_stats.channel = 0;
- encoder->private_->verify.error_stats.sample = 0;
- encoder->private_->verify.error_stats.expected = 0;
- encoder->private_->verify.error_stats.got = 0;
-
- /*
- * These must be done before we write any metadata, because that
- * calls the write_callback, which uses these values.
- */
- encoder->private_->first_seekpoint_to_check = 0;
- encoder->private_->samples_written = 0;
- encoder->protected_->streaminfo_offset = 0;
- encoder->protected_->seektable_offset = 0;
- encoder->protected_->audio_offset = 0;
-
- /*
- * write the stream header
- */
- if(encoder->protected_->verify)
- encoder->private_->verify.state_hint = ENCODER_IN_MAGIC;
- if(!FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, FLAC__STREAM_SYNC, FLAC__STREAM_SYNC_LEN)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
- /* the above function sets the state for us in case of an error */
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- /*
- * write the STREAMINFO metadata block
- */
- if(encoder->protected_->verify)
- encoder->private_->verify.state_hint = ENCODER_IN_METADATA;
- encoder->private_->streaminfo.type = FLAC__METADATA_TYPE_STREAMINFO;
- encoder->private_->streaminfo.is_last = false; /* we will have at a minimum a VORBIS_COMMENT afterwards */
- encoder->private_->streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
- encoder->private_->streaminfo.data.stream_info.min_blocksize = encoder->protected_->blocksize; /* this encoder uses the same blocksize for the whole stream */
- encoder->private_->streaminfo.data.stream_info.max_blocksize = encoder->protected_->blocksize;
- encoder->private_->streaminfo.data.stream_info.min_framesize = 0; /* we don't know this yet; have to fill it in later */
- encoder->private_->streaminfo.data.stream_info.max_framesize = 0; /* we don't know this yet; have to fill it in later */
- encoder->private_->streaminfo.data.stream_info.sample_rate = encoder->protected_->sample_rate;
- encoder->private_->streaminfo.data.stream_info.channels = encoder->protected_->channels;
- encoder->private_->streaminfo.data.stream_info.bits_per_sample = encoder->protected_->bits_per_sample;
- encoder->private_->streaminfo.data.stream_info.total_samples = encoder->protected_->total_samples_estimate; /* we will replace this later with the real total */
- memset(encoder->private_->streaminfo.data.stream_info.md5sum, 0, 16); /* we don't know this yet; have to fill it in later */
- if(encoder->protected_->do_md5)
- FLAC__MD5Init(&encoder->private_->md5context);
- if(!FLAC__add_metadata_block(&encoder->private_->streaminfo, encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
- /* the above function sets the state for us in case of an error */
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- /*
- * Now that the STREAMINFO block is written, we can init this to an
- * absurdly-high value...
- */
- encoder->private_->streaminfo.data.stream_info.min_framesize = (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN) - 1;
- /* ... and clear this to 0 */
- encoder->private_->streaminfo.data.stream_info.total_samples = 0;
-
- /*
- * Check to see if the supplied metadata contains a VORBIS_COMMENT;
- * if not, we will write an empty one (FLAC__add_metadata_block()
- * automatically supplies the vendor string).
- *
- * WATCHOUT: the Ogg FLAC mapping requires us to write this block after
- * the STREAMINFO. (In the case that metadata_has_vorbis_comment is
- * true it will have already insured that the metadata list is properly
- * ordered.)
- */
- if(!metadata_has_vorbis_comment) {
- FLAC__StreamMetadata vorbis_comment;
- vorbis_comment.type = FLAC__METADATA_TYPE_VORBIS_COMMENT;
- vorbis_comment.is_last = (encoder->protected_->num_metadata_blocks == 0);
- vorbis_comment.length = 4 + 4; /* MAGIC NUMBER */
- vorbis_comment.data.vorbis_comment.vendor_string.length = 0;
- vorbis_comment.data.vorbis_comment.vendor_string.entry = 0;
- vorbis_comment.data.vorbis_comment.num_comments = 0;
- vorbis_comment.data.vorbis_comment.comments = 0;
- if(!FLAC__add_metadata_block(&vorbis_comment, encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
- /* the above function sets the state for us in case of an error */
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- }
-
- /*
- * write the user's metadata blocks
- */
- for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) {
- encoder->protected_->metadata[i]->is_last = (i == encoder->protected_->num_metadata_blocks - 1);
- if(!FLAC__add_metadata_block(encoder->protected_->metadata[i], encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
- /* the above function sets the state for us in case of an error */
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
- }
-
- /* now that all the metadata is written, we save the stream offset */
- if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &encoder->protected_->audio_offset, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) { /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- if(encoder->protected_->verify)
- encoder->private_->verify.state_hint = ENCODER_IN_AUDIO;
-
- return FLAC__STREAM_ENCODER_INIT_STATUS_OK;
-}
-
-FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_stream(
- FLAC__StreamEncoder *encoder,
- FLAC__StreamEncoderWriteCallback write_callback,
- FLAC__StreamEncoderSeekCallback seek_callback,
- FLAC__StreamEncoderTellCallback tell_callback,
- FLAC__StreamEncoderMetadataCallback metadata_callback,
- void *client_data
-)
-{
- return init_stream_internal_(
- encoder,
- /*read_callback=*/0,
- write_callback,
- seek_callback,
- tell_callback,
- metadata_callback,
- client_data,
- /*is_ogg=*/false
- );
-}
-
-FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_stream(
- FLAC__StreamEncoder *encoder,
- FLAC__StreamEncoderReadCallback read_callback,
- FLAC__StreamEncoderWriteCallback write_callback,
- FLAC__StreamEncoderSeekCallback seek_callback,
- FLAC__StreamEncoderTellCallback tell_callback,
- FLAC__StreamEncoderMetadataCallback metadata_callback,
- void *client_data
-)
-{
- return init_stream_internal_(
- encoder,
- read_callback,
- write_callback,
- seek_callback,
- tell_callback,
- metadata_callback,
- client_data,
- /*is_ogg=*/true
- );
-}
-
-static FLAC__StreamEncoderInitStatus init_FILE_internal_(
- FLAC__StreamEncoder *encoder,
- FILE *file,
- FLAC__StreamEncoderProgressCallback progress_callback,
- void *client_data,
- FLAC__bool is_ogg
-)
-{
- FLAC__StreamEncoderInitStatus init_status;
-
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != file);
-
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED;
-
- /* double protection */
- if(file == 0) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- /*
- * To make sure that our file does not go unclosed after an error, we
- * must assign the FILE pointer before any further error can occur in
- * this routine.
- */
- if(file == stdout)
- file = get_binary_stdout_(); /* just to be safe */
-
-#ifdef _WIN32
- /*
- * Windows can suffer quite badly from disk fragmentation. This can be
- * reduced significantly by setting the output buffer size to be 10MB.
- */
- if(GetFileType((HANDLE)_get_osfhandle(_fileno(file))) == FILE_TYPE_DISK)
- setvbuf(file, NULL, _IOFBF, 10*1024*1024);
-#endif
- encoder->private_->file = file;
-
- encoder->private_->progress_callback = progress_callback;
- encoder->private_->bytes_written = 0;
- encoder->private_->samples_written = 0;
- encoder->private_->frames_written = 0;
-
- init_status = init_stream_internal_(
- encoder,
- encoder->private_->file == stdout? 0 : is_ogg? file_read_callback_ : 0,
- file_write_callback_,
- encoder->private_->file == stdout? 0 : file_seek_callback_,
- encoder->private_->file == stdout? 0 : file_tell_callback_,
- /*metadata_callback=*/0,
- client_data,
- is_ogg
- );
- if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
- /* the above function sets the state for us in case of an error */
- return init_status;
- }
-
- {
- unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder);
-
- FLAC__ASSERT(blocksize != 0);
- encoder->private_->total_frames_estimate = (unsigned)((FLAC__stream_encoder_get_total_samples_estimate(encoder) + blocksize - 1) / blocksize);
- }
-
- return init_status;
-}
-
-FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_FILE(
- FLAC__StreamEncoder *encoder,
- FILE *file,
- FLAC__StreamEncoderProgressCallback progress_callback,
- void *client_data
-)
-{
- return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/false);
-}
-
-FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_FILE(
- FLAC__StreamEncoder *encoder,
- FILE *file,
- FLAC__StreamEncoderProgressCallback progress_callback,
- void *client_data
-)
-{
- return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/true);
-}
-
-static FLAC__StreamEncoderInitStatus init_file_internal_(
- FLAC__StreamEncoder *encoder,
- const char *filename,
- FLAC__StreamEncoderProgressCallback progress_callback,
- void *client_data,
- FLAC__bool is_ogg
-)
-{
- FILE *file;
-
- FLAC__ASSERT(0 != encoder);
-
- /*
- * To make sure that our file does not go unclosed after an error, we
- * have to do the same entrance checks here that are later performed
- * in FLAC__stream_encoder_init_FILE() before the FILE* is assigned.
- */
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED;
-
- file = filename? flac_fopen(filename, "w+b") : stdout;
-
- if(file == 0) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR;
- return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
- }
-
- return init_FILE_internal_(encoder, file, progress_callback, client_data, is_ogg);
-}
-
-FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_file(
- FLAC__StreamEncoder *encoder,
- const char *filename,
- FLAC__StreamEncoderProgressCallback progress_callback,
- void *client_data
-)
-{
- return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/false);
-}
-
-FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_file(
- FLAC__StreamEncoder *encoder,
- const char *filename,
- FLAC__StreamEncoderProgressCallback progress_callback,
- void *client_data
-)
-{
- return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/true);
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_finish(FLAC__StreamEncoder *encoder)
-{
- FLAC__bool error = false;
-
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
-
- if(encoder->protected_->state == FLAC__STREAM_ENCODER_UNINITIALIZED)
- return true;
-
- if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK && !encoder->private_->is_being_deleted) {
- if(encoder->private_->current_sample_number != 0) {
- const FLAC__bool is_fractional_block = encoder->protected_->blocksize != encoder->private_->current_sample_number;
- encoder->protected_->blocksize = encoder->private_->current_sample_number;
- if(!process_frame_(encoder, is_fractional_block, /*is_last_block=*/true))
- error = true;
- }
- }
-
- if(encoder->protected_->do_md5)
- FLAC__MD5Final(encoder->private_->streaminfo.data.stream_info.md5sum, &encoder->private_->md5context);
-
- if(!encoder->private_->is_being_deleted) {
- if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) {
- if(encoder->private_->seek_callback) {
-#if FLAC__HAS_OGG
- if(encoder->private_->is_ogg)
- update_ogg_metadata_(encoder);
- else
-#endif
- update_metadata_(encoder);
-
- /* check if an error occurred while updating metadata */
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK)
- error = true;
- }
- if(encoder->private_->metadata_callback)
- encoder->private_->metadata_callback(encoder, &encoder->private_->streaminfo, encoder->private_->client_data);
- }
-
- if(encoder->protected_->verify && 0 != encoder->private_->verify.decoder && !FLAC__stream_decoder_finish(encoder->private_->verify.decoder)) {
- if(!error)
- encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA;
- error = true;
- }
- }
-
- if(0 != encoder->private_->file) {
- if(encoder->private_->file != stdout)
- fclose(encoder->private_->file);
- encoder->private_->file = 0;
- }
-
-#if FLAC__HAS_OGG
- if(encoder->private_->is_ogg)
- FLAC__ogg_encoder_aspect_finish(&encoder->protected_->ogg_encoder_aspect);
-#endif
-
- free_(encoder);
- set_defaults_(encoder);
-
- if(!error)
- encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED;
-
- return !error;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_ogg_serial_number(FLAC__StreamEncoder *encoder, long value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
-#if FLAC__HAS_OGG
- /* can't check encoder->private_->is_ogg since that's not set until init time */
- FLAC__ogg_encoder_aspect_set_serial_number(&encoder->protected_->ogg_encoder_aspect, value);
- return true;
-#else
- (void)value;
- return false;
-#endif
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_verify(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
-#ifndef FLAC__MANDATORY_VERIFY_WHILE_ENCODING
- encoder->protected_->verify = value;
-#endif
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_streamable_subset(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->streamable_subset = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_do_md5(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->do_md5 = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_channels(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->channels = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_bits_per_sample(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->bits_per_sample = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_sample_rate(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->sample_rate = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_compression_level(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__bool ok = true;
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- if(value >= sizeof(compression_levels_)/sizeof(compression_levels_[0]))
- value = sizeof(compression_levels_)/sizeof(compression_levels_[0]) - 1;
- ok &= FLAC__stream_encoder_set_do_mid_side_stereo (encoder, compression_levels_[value].do_mid_side_stereo);
- ok &= FLAC__stream_encoder_set_loose_mid_side_stereo (encoder, compression_levels_[value].loose_mid_side_stereo);
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#if 1
- ok &= FLAC__stream_encoder_set_apodization (encoder, compression_levels_[value].apodization);
-#else
- /* equivalent to -A tukey(0.5) */
- encoder->protected_->num_apodizations = 1;
- encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
- encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
-#endif
-#endif
- ok &= FLAC__stream_encoder_set_max_lpc_order (encoder, compression_levels_[value].max_lpc_order);
- ok &= FLAC__stream_encoder_set_qlp_coeff_precision (encoder, compression_levels_[value].qlp_coeff_precision);
- ok &= FLAC__stream_encoder_set_do_qlp_coeff_prec_search (encoder, compression_levels_[value].do_qlp_coeff_prec_search);
- ok &= FLAC__stream_encoder_set_do_escape_coding (encoder, compression_levels_[value].do_escape_coding);
- ok &= FLAC__stream_encoder_set_do_exhaustive_model_search (encoder, compression_levels_[value].do_exhaustive_model_search);
- ok &= FLAC__stream_encoder_set_min_residual_partition_order(encoder, compression_levels_[value].min_residual_partition_order);
- ok &= FLAC__stream_encoder_set_max_residual_partition_order(encoder, compression_levels_[value].max_residual_partition_order);
- ok &= FLAC__stream_encoder_set_rice_parameter_search_dist (encoder, compression_levels_[value].rice_parameter_search_dist);
- return ok;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_blocksize(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->blocksize = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_do_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->do_mid_side_stereo = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_loose_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->loose_mid_side_stereo = value;
- return true;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__stream_encoder_set_apodization(FLAC__StreamEncoder *encoder, const char *specification)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- FLAC__ASSERT(0 != specification);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
-#ifdef FLAC__INTEGER_ONLY_LIBRARY
- (void)specification; /* silently ignore since we haven't integerized; will always use a rectangular window */
-#else
- encoder->protected_->num_apodizations = 0;
- while(1) {
- const char *s = strchr(specification, ';');
- const size_t n = s? (size_t)(s - specification) : strlen(specification);
- if (n==8 && 0 == strncmp("bartlett" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT;
- else if(n==13 && 0 == strncmp("bartlett_hann", specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT_HANN;
- else if(n==8 && 0 == strncmp("blackman" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN;
- else if(n==26 && 0 == strncmp("blackman_harris_4term_92db", specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE;
- else if(n==6 && 0 == strncmp("connes" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_CONNES;
- else if(n==7 && 0 == strncmp("flattop" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_FLATTOP;
- else if(n>7 && 0 == strncmp("gauss(" , specification, 6)) {
- FLAC__real stddev = (FLAC__real)strtod(specification+6, 0);
- if (stddev > 0.0 && stddev <= 0.5) {
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.gauss.stddev = stddev;
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_GAUSS;
- }
- }
- else if(n==7 && 0 == strncmp("hamming" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HAMMING;
- else if(n==4 && 0 == strncmp("hann" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HANN;
- else if(n==13 && 0 == strncmp("kaiser_bessel", specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_KAISER_BESSEL;
- else if(n==7 && 0 == strncmp("nuttall" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_NUTTALL;
- else if(n==9 && 0 == strncmp("rectangle" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_RECTANGLE;
- else if(n==8 && 0 == strncmp("triangle" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TRIANGLE;
- else if(n>7 && 0 == strncmp("tukey(" , specification, 6)) {
- FLAC__real p = (FLAC__real)strtod(specification+6, 0);
- if (p >= 0.0 && p <= 1.0) {
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = p;
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY;
- }
- }
- else if(n>15 && 0 == strncmp("partial_tukey(" , specification, 14)) {
- FLAC__int32 tukey_parts = (FLAC__int32)strtod(specification+14, 0);
- const char *si_1 = strchr(specification, '/');
- FLAC__real overlap = si_1?flac_min((FLAC__real)strtod(si_1+1, 0),0.99f):0.1f;
- FLAC__real overlap_units = 1.0f/(1.0f - overlap) - 1.0f;
- const char *si_2 = strchr((si_1?(si_1+1):specification), '/');
- FLAC__real tukey_p = si_2?(FLAC__real)strtod(si_2+1, 0):0.2f;
-
- if (tukey_parts <= 1) {
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = tukey_p;
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY;
- }else if (encoder->protected_->num_apodizations + tukey_parts < 32){
- FLAC__int32 m;
- for(m = 0; m < tukey_parts; m++){
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.p = tukey_p;
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.start = m/(tukey_parts+overlap_units);
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.end = (m+1+overlap_units)/(tukey_parts+overlap_units);
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_PARTIAL_TUKEY;
- }
- }
- }
- else if(n>16 && 0 == strncmp("punchout_tukey(" , specification, 15)) {
- FLAC__int32 tukey_parts = (FLAC__int32)strtod(specification+15, 0);
- const char *si_1 = strchr(specification, '/');
- FLAC__real overlap = si_1?flac_min((FLAC__real)strtod(si_1+1, 0),0.99f):0.2f;
- FLAC__real overlap_units = 1.0f/(1.0f - overlap) - 1.0f;
- const char *si_2 = strchr((si_1?(si_1+1):specification), '/');
- FLAC__real tukey_p = si_2?(FLAC__real)strtod(si_2+1, 0):0.2f;
-
- if (tukey_parts <= 1) {
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = tukey_p;
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY;
- }else if (encoder->protected_->num_apodizations + tukey_parts < 32){
- FLAC__int32 m;
- for(m = 0; m < tukey_parts; m++){
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.p = tukey_p;
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.start = m/(tukey_parts+overlap_units);
- encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.end = (m+1+overlap_units)/(tukey_parts+overlap_units);
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_PUNCHOUT_TUKEY;
- }
- }
- }
- else if(n==5 && 0 == strncmp("welch" , specification, n))
- encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_WELCH;
- if (encoder->protected_->num_apodizations == 32)
- break;
- if (s)
- specification = s+1;
- else
- break;
- }
- if(encoder->protected_->num_apodizations == 0) {
- encoder->protected_->num_apodizations = 1;
- encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
- encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
- }
-#endif
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_max_lpc_order(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->max_lpc_order = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_qlp_coeff_precision(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->qlp_coeff_precision = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_do_qlp_coeff_prec_search(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->do_qlp_coeff_prec_search = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_do_escape_coding(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
-#if 0
- /*@@@ deprecated: */
- encoder->protected_->do_escape_coding = value;
-#else
- (void)value;
-#endif
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_do_exhaustive_model_search(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->do_exhaustive_model_search = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_min_residual_partition_order(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->min_residual_partition_order = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_max_residual_partition_order(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->protected_->max_residual_partition_order = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_rice_parameter_search_dist(FLAC__StreamEncoder *encoder, unsigned value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
-#if 0
- /*@@@ deprecated: */
- encoder->protected_->rice_parameter_search_dist = value;
-#else
- (void)value;
-#endif
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_total_samples_estimate(FLAC__StreamEncoder *encoder, FLAC__uint64 value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- value = flac_min(value, (FLAC__U64L(1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN) - 1);
- encoder->protected_->total_samples_estimate = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_set_metadata(FLAC__StreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- if(0 == metadata)
- num_blocks = 0;
- if(0 == num_blocks)
- metadata = 0;
- /* realloc() does not do exactly what we want so... */
- if(encoder->protected_->metadata) {
- free(encoder->protected_->metadata);
- encoder->protected_->metadata = 0;
- encoder->protected_->num_metadata_blocks = 0;
- }
- if(num_blocks) {
- FLAC__StreamMetadata **m;
- if(0 == (m = safe_malloc_mul_2op_p(sizeof(m[0]), /*times*/num_blocks)))
- return false;
- memcpy(m, metadata, sizeof(m[0]) * num_blocks);
- encoder->protected_->metadata = m;
- encoder->protected_->num_metadata_blocks = num_blocks;
- }
-#if FLAC__HAS_OGG
- if(!FLAC__ogg_encoder_aspect_set_num_metadata(&encoder->protected_->ogg_encoder_aspect, num_blocks))
- return false;
-#endif
- return true;
-}
-
-/*
- * These three functions are not static, but not publically exposed in
- * include/FLAC/ either. They are used by the test suite.
- */
-FLAC_API FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->private_->disable_constant_subframes = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->private_->disable_fixed_subframes = value;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
- return false;
- encoder->private_->disable_verbatim_subframes = value;
- return true;
-}
-
-FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_get_state(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->state;
-}
-
-FLAC_API FLAC__StreamDecoderState FLAC__stream_encoder_get_verify_decoder_state(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->verify)
- return FLAC__stream_decoder_get_state(encoder->private_->verify.decoder);
- else
- return FLAC__STREAM_DECODER_UNINITIALIZED;
-}
-
-FLAC_API const char *FLAC__stream_encoder_get_resolved_state_string(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR)
- return FLAC__StreamEncoderStateString[encoder->protected_->state];
- else
- return FLAC__stream_decoder_get_resolved_state_string(encoder->private_->verify.decoder);
-}
-
-FLAC_API void FLAC__stream_encoder_get_verify_decoder_error_stats(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- if(0 != absolute_sample)
- *absolute_sample = encoder->private_->verify.error_stats.absolute_sample;
- if(0 != frame_number)
- *frame_number = encoder->private_->verify.error_stats.frame_number;
- if(0 != channel)
- *channel = encoder->private_->verify.error_stats.channel;
- if(0 != sample)
- *sample = encoder->private_->verify.error_stats.sample;
- if(0 != expected)
- *expected = encoder->private_->verify.error_stats.expected;
- if(0 != got)
- *got = encoder->private_->verify.error_stats.got;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_verify(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->verify;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_streamable_subset(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->streamable_subset;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_do_md5(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->do_md5;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_channels(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->channels;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_bits_per_sample(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->bits_per_sample;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_sample_rate(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->sample_rate;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_blocksize(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->blocksize;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_do_mid_side_stereo(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->do_mid_side_stereo;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_loose_mid_side_stereo(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->loose_mid_side_stereo;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_max_lpc_order(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->max_lpc_order;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_qlp_coeff_precision(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->qlp_coeff_precision;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_do_qlp_coeff_prec_search(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->do_qlp_coeff_prec_search;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_do_escape_coding(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->do_escape_coding;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_get_do_exhaustive_model_search(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->do_exhaustive_model_search;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_min_residual_partition_order(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->min_residual_partition_order;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_max_residual_partition_order(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->max_residual_partition_order;
-}
-
-FLAC_API unsigned FLAC__stream_encoder_get_rice_parameter_search_dist(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->rice_parameter_search_dist;
-}
-
-FLAC_API FLAC__uint64 FLAC__stream_encoder_get_total_samples_estimate(const FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- return encoder->protected_->total_samples_estimate;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_process(FLAC__StreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples)
-{
- unsigned i, j = 0, channel;
- const unsigned channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize;
-
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
-
- do {
- const unsigned n = flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j);
-
- if(encoder->protected_->verify)
- append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, n);
-
- for(channel = 0; channel < channels; channel++) {
- if (buffer[channel] == NULL) {
- return false;
- }
- memcpy(&encoder->private_->integer_signal[channel][encoder->private_->current_sample_number], &buffer[channel][j], sizeof(buffer[channel][0]) * n);
- }
-
- if(encoder->protected_->do_mid_side_stereo) {
- FLAC__ASSERT(channels == 2);
- /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */
- for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) {
- encoder->private_->integer_signal_mid_side[1][i] = buffer[0][j] - buffer[1][j];
- encoder->private_->integer_signal_mid_side[0][i] = (buffer[0][j] + buffer[1][j]) >> 1; /* NOTE: not the same as 'mid = (buffer[0][j] + buffer[1][j]) / 2' ! */
- }
- }
- else
- j += n;
-
- encoder->private_->current_sample_number += n;
-
- /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */
- if(encoder->private_->current_sample_number > blocksize) {
- FLAC__ASSERT(encoder->private_->current_sample_number == blocksize+OVERREAD_);
- FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */
- if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false))
- return false;
- /* move unprocessed overread samples to beginnings of arrays */
- for(channel = 0; channel < channels; channel++)
- encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize];
- if(encoder->protected_->do_mid_side_stereo) {
- encoder->private_->integer_signal_mid_side[0][0] = encoder->private_->integer_signal_mid_side[0][blocksize];
- encoder->private_->integer_signal_mid_side[1][0] = encoder->private_->integer_signal_mid_side[1][blocksize];
- }
- encoder->private_->current_sample_number = 1;
- }
- } while(j < samples);
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__stream_encoder_process_interleaved(FLAC__StreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples)
-{
- unsigned i, j, k, channel;
- FLAC__int32 x, mid, side;
- const unsigned channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize;
-
- FLAC__ASSERT(0 != encoder);
- FLAC__ASSERT(0 != encoder->private_);
- FLAC__ASSERT(0 != encoder->protected_);
- FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
-
- j = k = 0;
- /*
- * we have several flavors of the same basic loop, optimized for
- * different conditions:
- */
- if(encoder->protected_->do_mid_side_stereo && channels == 2) {
- /*
- * stereo coding: unroll channel loop
- */
- do {
- if(encoder->protected_->verify)
- append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j));
-
- /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */
- for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) {
- encoder->private_->integer_signal[0][i] = mid = side = buffer[k++];
- x = buffer[k++];
- encoder->private_->integer_signal[1][i] = x;
- mid += x;
- side -= x;
- mid >>= 1; /* NOTE: not the same as 'mid = (left + right) / 2' ! */
- encoder->private_->integer_signal_mid_side[1][i] = side;
- encoder->private_->integer_signal_mid_side[0][i] = mid;
- }
- encoder->private_->current_sample_number = i;
- /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */
- if(i > blocksize) {
- if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false))
- return false;
- /* move unprocessed overread samples to beginnings of arrays */
- FLAC__ASSERT(i == blocksize+OVERREAD_);
- FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */
- encoder->private_->integer_signal[0][0] = encoder->private_->integer_signal[0][blocksize];
- encoder->private_->integer_signal[1][0] = encoder->private_->integer_signal[1][blocksize];
- encoder->private_->integer_signal_mid_side[0][0] = encoder->private_->integer_signal_mid_side[0][blocksize];
- encoder->private_->integer_signal_mid_side[1][0] = encoder->private_->integer_signal_mid_side[1][blocksize];
- encoder->private_->current_sample_number = 1;
- }
- } while(j < samples);
- }
- else {
- /*
- * independent channel coding: buffer each channel in inner loop
- */
- do {
- if(encoder->protected_->verify)
- append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j));
-
- /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */
- for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) {
- for(channel = 0; channel < channels; channel++)
- encoder->private_->integer_signal[channel][i] = buffer[k++];
- }
- encoder->private_->current_sample_number = i;
- /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */
- if(i > blocksize) {
- if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false))
- return false;
- /* move unprocessed overread samples to beginnings of arrays */
- FLAC__ASSERT(i == blocksize+OVERREAD_);
- FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */
- for(channel = 0; channel < channels; channel++)
- encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize];
- encoder->private_->current_sample_number = 1;
- }
- } while(j < samples);
- }
-
- return true;
-}
-
-/***********************************************************************
- *
- * Private class methods
- *
- ***********************************************************************/
-
-void set_defaults_(FLAC__StreamEncoder *encoder)
-{
- FLAC__ASSERT(0 != encoder);
-
-#ifdef FLAC__MANDATORY_VERIFY_WHILE_ENCODING
- encoder->protected_->verify = true;
-#else
- encoder->protected_->verify = false;
-#endif
- encoder->protected_->streamable_subset = true;
- encoder->protected_->do_md5 = true;
- encoder->protected_->do_mid_side_stereo = false;
- encoder->protected_->loose_mid_side_stereo = false;
- encoder->protected_->channels = 2;
- encoder->protected_->bits_per_sample = 16;
- encoder->protected_->sample_rate = 44100;
- encoder->protected_->blocksize = 0;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- encoder->protected_->num_apodizations = 1;
- encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
- encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
-#endif
- encoder->protected_->max_lpc_order = 0;
- encoder->protected_->qlp_coeff_precision = 0;
- encoder->protected_->do_qlp_coeff_prec_search = false;
- encoder->protected_->do_exhaustive_model_search = false;
- encoder->protected_->do_escape_coding = false;
- encoder->protected_->min_residual_partition_order = 0;
- encoder->protected_->max_residual_partition_order = 0;
- encoder->protected_->rice_parameter_search_dist = 0;
- encoder->protected_->total_samples_estimate = 0;
- encoder->protected_->metadata = 0;
- encoder->protected_->num_metadata_blocks = 0;
-
- encoder->private_->seek_table = 0;
- encoder->private_->disable_constant_subframes = false;
- encoder->private_->disable_fixed_subframes = false;
- encoder->private_->disable_verbatim_subframes = false;
- encoder->private_->is_ogg = false;
- encoder->private_->read_callback = 0;
- encoder->private_->write_callback = 0;
- encoder->private_->seek_callback = 0;
- encoder->private_->tell_callback = 0;
- encoder->private_->metadata_callback = 0;
- encoder->private_->progress_callback = 0;
- encoder->private_->client_data = 0;
-
-#if FLAC__HAS_OGG
- FLAC__ogg_encoder_aspect_set_defaults(&encoder->protected_->ogg_encoder_aspect);
-#endif
-
- FLAC__stream_encoder_set_compression_level(encoder, 5);
-}
-
-void free_(FLAC__StreamEncoder *encoder)
-{
- unsigned i, channel;
-
- FLAC__ASSERT(0 != encoder);
- if(encoder->protected_->metadata) {
- free(encoder->protected_->metadata);
- encoder->protected_->metadata = 0;
- encoder->protected_->num_metadata_blocks = 0;
- }
- for(i = 0; i < encoder->protected_->channels; i++) {
- if(0 != encoder->private_->integer_signal_unaligned[i]) {
- free(encoder->private_->integer_signal_unaligned[i]);
- encoder->private_->integer_signal_unaligned[i] = 0;
- }
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- if(0 != encoder->private_->real_signal_unaligned[i]) {
- free(encoder->private_->real_signal_unaligned[i]);
- encoder->private_->real_signal_unaligned[i] = 0;
- }
-#endif
- }
- for(i = 0; i < 2; i++) {
- if(0 != encoder->private_->integer_signal_mid_side_unaligned[i]) {
- free(encoder->private_->integer_signal_mid_side_unaligned[i]);
- encoder->private_->integer_signal_mid_side_unaligned[i] = 0;
- }
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- if(0 != encoder->private_->real_signal_mid_side_unaligned[i]) {
- free(encoder->private_->real_signal_mid_side_unaligned[i]);
- encoder->private_->real_signal_mid_side_unaligned[i] = 0;
- }
-#endif
- }
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- for(i = 0; i < encoder->protected_->num_apodizations; i++) {
- if(0 != encoder->private_->window_unaligned[i]) {
- free(encoder->private_->window_unaligned[i]);
- encoder->private_->window_unaligned[i] = 0;
- }
- }
- if(0 != encoder->private_->windowed_signal_unaligned) {
- free(encoder->private_->windowed_signal_unaligned);
- encoder->private_->windowed_signal_unaligned = 0;
- }
-#endif
- for(channel = 0; channel < encoder->protected_->channels; channel++) {
- for(i = 0; i < 2; i++) {
- if(0 != encoder->private_->residual_workspace_unaligned[channel][i]) {
- free(encoder->private_->residual_workspace_unaligned[channel][i]);
- encoder->private_->residual_workspace_unaligned[channel][i] = 0;
- }
- }
- }
- for(channel = 0; channel < 2; channel++) {
- for(i = 0; i < 2; i++) {
- if(0 != encoder->private_->residual_workspace_mid_side_unaligned[channel][i]) {
- free(encoder->private_->residual_workspace_mid_side_unaligned[channel][i]);
- encoder->private_->residual_workspace_mid_side_unaligned[channel][i] = 0;
- }
- }
- }
- if(0 != encoder->private_->abs_residual_partition_sums_unaligned) {
- free(encoder->private_->abs_residual_partition_sums_unaligned);
- encoder->private_->abs_residual_partition_sums_unaligned = 0;
- }
- if(0 != encoder->private_->raw_bits_per_partition_unaligned) {
- free(encoder->private_->raw_bits_per_partition_unaligned);
- encoder->private_->raw_bits_per_partition_unaligned = 0;
- }
- if(encoder->protected_->verify) {
- for(i = 0; i < encoder->protected_->channels; i++) {
- if(0 != encoder->private_->verify.input_fifo.data[i]) {
- free(encoder->private_->verify.input_fifo.data[i]);
- encoder->private_->verify.input_fifo.data[i] = 0;
- }
- }
- }
- FLAC__bitwriter_free(encoder->private_->frame);
-}
-
-FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_blocksize)
-{
- FLAC__bool ok;
- unsigned i, channel;
-
- FLAC__ASSERT(new_blocksize > 0);
- FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
- FLAC__ASSERT(encoder->private_->current_sample_number == 0);
-
- /* To avoid excessive malloc'ing, we only grow the buffer; no shrinking. */
- if(new_blocksize <= encoder->private_->input_capacity)
- return true;
-
- ok = true;
-
- /* WATCHOUT: FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx() and ..._intrin_sse2()
- * require that the input arrays (in our case the integer signals)
- * have a buffer of up to 3 zeroes in front (at negative indices) for
- * alignment purposes; we use 4 in front to keep the data well-aligned.
- */
-
- for(i = 0; ok && i < encoder->protected_->channels; i++) {
- ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_unaligned[i], &encoder->private_->integer_signal[i]);
- memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4);
- encoder->private_->integer_signal[i] += 4;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#if 0 /* @@@ currently unused */
- if(encoder->protected_->max_lpc_order > 0)
- ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_unaligned[i], &encoder->private_->real_signal[i]);
-#endif
-#endif
- }
- for(i = 0; ok && i < 2; i++) {
- ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_mid_side_unaligned[i], &encoder->private_->integer_signal_mid_side[i]);
- memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4);
- encoder->private_->integer_signal_mid_side[i] += 4;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#if 0 /* @@@ currently unused */
- if(encoder->protected_->max_lpc_order > 0)
- ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_mid_side_unaligned[i], &encoder->private_->real_signal_mid_side[i]);
-#endif
-#endif
- }
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- if(ok && encoder->protected_->max_lpc_order > 0) {
- for(i = 0; ok && i < encoder->protected_->num_apodizations; i++)
- ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->window_unaligned[i], &encoder->private_->window[i]);
- ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->windowed_signal_unaligned, &encoder->private_->windowed_signal);
- }
-#endif
- for(channel = 0; ok && channel < encoder->protected_->channels; channel++) {
- for(i = 0; ok && i < 2; i++) {
- ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_unaligned[channel][i], &encoder->private_->residual_workspace[channel][i]);
- }
- }
- for(channel = 0; ok && channel < 2; channel++) {
- for(i = 0; ok && i < 2; i++) {
- ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_mid_side_unaligned[channel][i], &encoder->private_->residual_workspace_mid_side[channel][i]);
- }
- }
- /* the *2 is an approximation to the series 1 + 1/2 + 1/4 + ... that sums tree occupies in a flat array */
- /*@@@ new_blocksize*2 is too pessimistic, but to fix, we need smarter logic because a smaller new_blocksize can actually increase the # of partitions; would require moving this out into a separate function, then checking its capacity against the need of the current blocksize&min/max_partition_order (and maybe predictor order) */
- ok = ok && FLAC__memory_alloc_aligned_uint64_array(new_blocksize * 2, &encoder->private_->abs_residual_partition_sums_unaligned, &encoder->private_->abs_residual_partition_sums);
- if(encoder->protected_->do_escape_coding)
- ok = ok && FLAC__memory_alloc_aligned_unsigned_array(new_blocksize * 2, &encoder->private_->raw_bits_per_partition_unaligned, &encoder->private_->raw_bits_per_partition);
-
- /* now adjust the windows if the blocksize has changed */
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- if(ok && new_blocksize != encoder->private_->input_capacity && encoder->protected_->max_lpc_order > 0) {
- for(i = 0; ok && i < encoder->protected_->num_apodizations; i++) {
- switch(encoder->protected_->apodizations[i].type) {
- case FLAC__APODIZATION_BARTLETT:
- FLAC__window_bartlett(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_BARTLETT_HANN:
- FLAC__window_bartlett_hann(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_BLACKMAN:
- FLAC__window_blackman(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE:
- FLAC__window_blackman_harris_4term_92db_sidelobe(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_CONNES:
- FLAC__window_connes(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_FLATTOP:
- FLAC__window_flattop(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_GAUSS:
- FLAC__window_gauss(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.gauss.stddev);
- break;
- case FLAC__APODIZATION_HAMMING:
- FLAC__window_hamming(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_HANN:
- FLAC__window_hann(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_KAISER_BESSEL:
- FLAC__window_kaiser_bessel(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_NUTTALL:
- FLAC__window_nuttall(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_RECTANGLE:
- FLAC__window_rectangle(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_TRIANGLE:
- FLAC__window_triangle(encoder->private_->window[i], new_blocksize);
- break;
- case FLAC__APODIZATION_TUKEY:
- FLAC__window_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.tukey.p);
- break;
- case FLAC__APODIZATION_PARTIAL_TUKEY:
- FLAC__window_partial_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.multiple_tukey.p, encoder->protected_->apodizations[i].parameters.multiple_tukey.start, encoder->protected_->apodizations[i].parameters.multiple_tukey.end);
- break;
- case FLAC__APODIZATION_PUNCHOUT_TUKEY:
- FLAC__window_punchout_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.multiple_tukey.p, encoder->protected_->apodizations[i].parameters.multiple_tukey.start, encoder->protected_->apodizations[i].parameters.multiple_tukey.end);
- break;
- case FLAC__APODIZATION_WELCH:
- FLAC__window_welch(encoder->private_->window[i], new_blocksize);
- break;
- default:
- FLAC__ASSERT(0);
- /* double protection */
- FLAC__window_hann(encoder->private_->window[i], new_blocksize);
- break;
- }
- }
- }
-#endif
-
- if(ok)
- encoder->private_->input_capacity = new_blocksize;
- else
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
-
- return ok;
-}
-
-FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples, FLAC__bool is_last_block)
-{
- const FLAC__byte *buffer;
- size_t bytes;
-
- FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame));
-
- if(!FLAC__bitwriter_get_buffer(encoder->private_->frame, &buffer, &bytes)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- if(encoder->protected_->verify) {
- encoder->private_->verify.output.data = buffer;
- encoder->private_->verify.output.bytes = bytes;
- if(encoder->private_->verify.state_hint == ENCODER_IN_MAGIC) {
- encoder->private_->verify.needs_magic_hack = true;
- }
- else {
- if(!FLAC__stream_decoder_process_single(encoder->private_->verify.decoder)) {
- FLAC__bitwriter_release_buffer(encoder->private_->frame);
- FLAC__bitwriter_clear(encoder->private_->frame);
- if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
- encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
- return false;
- }
- }
- }
-
- if(write_frame_(encoder, buffer, bytes, samples, is_last_block) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- FLAC__bitwriter_release_buffer(encoder->private_->frame);
- FLAC__bitwriter_clear(encoder->private_->frame);
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- FLAC__bitwriter_release_buffer(encoder->private_->frame);
- FLAC__bitwriter_clear(encoder->private_->frame);
-
- if(samples > 0) {
- encoder->private_->streaminfo.data.stream_info.min_framesize = flac_min(bytes, encoder->private_->streaminfo.data.stream_info.min_framesize);
- encoder->private_->streaminfo.data.stream_info.max_framesize = flac_max(bytes, encoder->private_->streaminfo.data.stream_info.max_framesize);
- }
-
- return true;
-}
-
-FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, FLAC__bool is_last_block)
-{
- FLAC__StreamEncoderWriteStatus status;
- FLAC__uint64 output_position = 0;
-
-#if FLAC__HAS_OGG == 0
- (void)is_last_block;
-#endif
-
- /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */
- if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &output_position, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
-
- /*
- * Watch for the STREAMINFO block and first SEEKTABLE block to go by and store their offsets.
- */
- if(samples == 0) {
- FLAC__MetadataType type = (buffer[0] & 0x7f);
- if(type == FLAC__METADATA_TYPE_STREAMINFO)
- encoder->protected_->streaminfo_offset = output_position;
- else if(type == FLAC__METADATA_TYPE_SEEKTABLE && encoder->protected_->seektable_offset == 0)
- encoder->protected_->seektable_offset = output_position;
- }
-
- /*
- * Mark the current seek point if hit (if audio_offset == 0 that
- * means we're still writing metadata and haven't hit the first
- * frame yet)
- */
- if(0 != encoder->private_->seek_table && encoder->protected_->audio_offset > 0 && encoder->private_->seek_table->num_points > 0) {
- const unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder);
- const FLAC__uint64 frame_first_sample = encoder->private_->samples_written;
- const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1;
- FLAC__uint64 test_sample;
- unsigned i;
- for(i = encoder->private_->first_seekpoint_to_check; i < encoder->private_->seek_table->num_points; i++) {
- test_sample = encoder->private_->seek_table->points[i].sample_number;
- if(test_sample > frame_last_sample) {
- break;
- }
- else if(test_sample >= frame_first_sample) {
- encoder->private_->seek_table->points[i].sample_number = frame_first_sample;
- encoder->private_->seek_table->points[i].stream_offset = output_position - encoder->protected_->audio_offset;
- encoder->private_->seek_table->points[i].frame_samples = blocksize;
- encoder->private_->first_seekpoint_to_check++;
- /* DO NOT: "break;" and here's why:
- * The seektable template may contain more than one target
- * sample for any given frame; we will keep looping, generating
- * duplicate seekpoints for them, and we'll clean it up later,
- * just before writing the seektable back to the metadata.
- */
- }
- else {
- encoder->private_->first_seekpoint_to_check++;
- }
- }
- }
-
-#if FLAC__HAS_OGG
- if(encoder->private_->is_ogg) {
- status = FLAC__ogg_encoder_aspect_write_callback_wrapper(
- &encoder->protected_->ogg_encoder_aspect,
- buffer,
- bytes,
- samples,
- encoder->private_->current_frame_number,
- is_last_block,
- (FLAC__OggEncoderAspectWriteCallbackProxy)encoder->private_->write_callback,
- encoder,
- encoder->private_->client_data
- );
- }
- else
-#endif
- status = encoder->private_->write_callback(encoder, buffer, bytes, samples, encoder->private_->current_frame_number, encoder->private_->client_data);
-
- if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->private_->bytes_written += bytes;
- encoder->private_->samples_written += samples;
- /* we keep a high watermark on the number of frames written because
- * when the encoder goes back to write metadata, 'current_frame'
- * will drop back to 0.
- */
- encoder->private_->frames_written = flac_max(encoder->private_->frames_written, encoder->private_->current_frame_number+1);
- }
- else
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
-
- return status;
-}
-
-/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks. */
-void update_metadata_(const FLAC__StreamEncoder *encoder)
-{
- FLAC__byte b[flac_max(6u, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)];
- const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo;
- const FLAC__uint64 samples = metadata->data.stream_info.total_samples;
- const unsigned min_framesize = metadata->data.stream_info.min_framesize;
- const unsigned max_framesize = metadata->data.stream_info.max_framesize;
- const unsigned bps = metadata->data.stream_info.bits_per_sample;
- FLAC__StreamEncoderSeekStatus seek_status;
-
- FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO);
-
- /* All this is based on intimate knowledge of the stream header
- * layout, but a change to the header format that would break this
- * would also break all streams encoded in the previous format.
- */
-
- /*
- * Write MD5 signature
- */
- {
- const unsigned md5_offset =
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- (
- FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN
- ) / 8;
-
- if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + md5_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- if(encoder->private_->write_callback(encoder, metadata->data.stream_info.md5sum, 16, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- }
-
- /*
- * Write total samples
- */
- {
- const unsigned total_samples_byte_offset =
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- (
- FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN
- - 4
- ) / 8;
-
- b[0] = ((FLAC__byte)(bps-1) << 4) | (FLAC__byte)((samples >> 32) & 0x0F);
- b[1] = (FLAC__byte)((samples >> 24) & 0xFF);
- b[2] = (FLAC__byte)((samples >> 16) & 0xFF);
- b[3] = (FLAC__byte)((samples >> 8) & 0xFF);
- b[4] = (FLAC__byte)(samples & 0xFF);
- if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + total_samples_byte_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- if(encoder->private_->write_callback(encoder, b, 5, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- }
-
- /*
- * Write min/max framesize
- */
- {
- const unsigned min_framesize_offset =
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- (
- FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN
- ) / 8;
-
- b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF);
- b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF);
- b[2] = (FLAC__byte)(min_framesize & 0xFF);
- b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF);
- b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF);
- b[5] = (FLAC__byte)(max_framesize & 0xFF);
- if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + min_framesize_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- if(encoder->private_->write_callback(encoder, b, 6, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- }
-
- /*
- * Write seektable
- */
- if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) {
- unsigned i;
-
- FLAC__format_seektable_sort(encoder->private_->seek_table);
-
- FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table));
-
- if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->seektable_offset + FLAC__STREAM_METADATA_HEADER_LENGTH, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
-
- for(i = 0; i < encoder->private_->seek_table->num_points; i++) {
- FLAC__uint64 xx;
- unsigned x;
- xx = encoder->private_->seek_table->points[i].sample_number;
- b[7] = (FLAC__byte)xx; xx >>= 8;
- b[6] = (FLAC__byte)xx; xx >>= 8;
- b[5] = (FLAC__byte)xx; xx >>= 8;
- b[4] = (FLAC__byte)xx; xx >>= 8;
- b[3] = (FLAC__byte)xx; xx >>= 8;
- b[2] = (FLAC__byte)xx; xx >>= 8;
- b[1] = (FLAC__byte)xx; xx >>= 8;
- b[0] = (FLAC__byte)xx; xx >>= 8;
- xx = encoder->private_->seek_table->points[i].stream_offset;
- b[15] = (FLAC__byte)xx; xx >>= 8;
- b[14] = (FLAC__byte)xx; xx >>= 8;
- b[13] = (FLAC__byte)xx; xx >>= 8;
- b[12] = (FLAC__byte)xx; xx >>= 8;
- b[11] = (FLAC__byte)xx; xx >>= 8;
- b[10] = (FLAC__byte)xx; xx >>= 8;
- b[9] = (FLAC__byte)xx; xx >>= 8;
- b[8] = (FLAC__byte)xx; xx >>= 8;
- x = encoder->private_->seek_table->points[i].frame_samples;
- b[17] = (FLAC__byte)x; x >>= 8;
- b[16] = (FLAC__byte)x; x >>= 8;
- if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return;
- }
- }
- }
-}
-
-#if FLAC__HAS_OGG
-/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks. */
-void update_ogg_metadata_(FLAC__StreamEncoder *encoder)
-{
- /* the # of bytes in the 1st packet that precede the STREAMINFO */
- static const unsigned FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH =
- FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH +
- FLAC__OGG_MAPPING_MAGIC_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH +
- FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH +
- FLAC__STREAM_SYNC_LENGTH
- ;
- FLAC__byte b[flac_max(6u, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)];
- const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo;
- const FLAC__uint64 samples = metadata->data.stream_info.total_samples;
- const unsigned min_framesize = metadata->data.stream_info.min_framesize;
- const unsigned max_framesize = metadata->data.stream_info.max_framesize;
- ogg_page page;
-
- FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO);
- FLAC__ASSERT(0 != encoder->private_->seek_callback);
-
- /* Pre-check that client supports seeking, since we don't want the
- * ogg_helper code to ever have to deal with this condition.
- */
- if(encoder->private_->seek_callback(encoder, 0, encoder->private_->client_data) == FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED)
- return;
-
- /* All this is based on intimate knowledge of the stream header
- * layout, but a change to the header format that would break this
- * would also break all streams encoded in the previous format.
- */
-
- /**
- ** Write STREAMINFO stats
- **/
- simple_ogg_page__init(&page);
- if(!simple_ogg_page__get_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) {
- simple_ogg_page__clear(&page);
- return; /* state already set */
- }
-
- /*
- * Write MD5 signature
- */
- {
- const unsigned md5_offset =
- FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH +
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- (
- FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN
- ) / 8;
-
- if(md5_offset + 16 > (unsigned)page.body_len) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- simple_ogg_page__clear(&page);
- return;
- }
- memcpy(page.body + md5_offset, metadata->data.stream_info.md5sum, 16);
- }
-
- /*
- * Write total samples
- */
- {
- const unsigned total_samples_byte_offset =
- FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH +
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- (
- FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN
- - 4
- ) / 8;
-
- if(total_samples_byte_offset + 5 > (unsigned)page.body_len) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- simple_ogg_page__clear(&page);
- return;
- }
- b[0] = (FLAC__byte)page.body[total_samples_byte_offset] & 0xF0;
- b[0] |= (FLAC__byte)((samples >> 32) & 0x0F);
- b[1] = (FLAC__byte)((samples >> 24) & 0xFF);
- b[2] = (FLAC__byte)((samples >> 16) & 0xFF);
- b[3] = (FLAC__byte)((samples >> 8) & 0xFF);
- b[4] = (FLAC__byte)(samples & 0xFF);
- memcpy(page.body + total_samples_byte_offset, b, 5);
- }
-
- /*
- * Write min/max framesize
- */
- {
- const unsigned min_framesize_offset =
- FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH +
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- (
- FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
- FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN
- ) / 8;
-
- if(min_framesize_offset + 6 > (unsigned)page.body_len) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- simple_ogg_page__clear(&page);
- return;
- }
- b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF);
- b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF);
- b[2] = (FLAC__byte)(min_framesize & 0xFF);
- b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF);
- b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF);
- b[5] = (FLAC__byte)(max_framesize & 0xFF);
- memcpy(page.body + min_framesize_offset, b, 6);
- }
- if(!simple_ogg_page__set_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) {
- simple_ogg_page__clear(&page);
- return; /* state already set */
- }
- simple_ogg_page__clear(&page);
-
- /*
- * Write seektable
- */
- if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) {
- unsigned i;
- FLAC__byte *p;
-
- FLAC__format_seektable_sort(encoder->private_->seek_table);
-
- FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table));
-
- simple_ogg_page__init(&page);
- if(!simple_ogg_page__get_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) {
- simple_ogg_page__clear(&page);
- return; /* state already set */
- }
-
- if((FLAC__STREAM_METADATA_HEADER_LENGTH + 18*encoder->private_->seek_table->num_points) != (unsigned)page.body_len) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- simple_ogg_page__clear(&page);
- return;
- }
-
- for(i = 0, p = page.body + FLAC__STREAM_METADATA_HEADER_LENGTH; i < encoder->private_->seek_table->num_points; i++, p += 18) {
- FLAC__uint64 xx;
- unsigned x;
- xx = encoder->private_->seek_table->points[i].sample_number;
- b[7] = (FLAC__byte)xx; xx >>= 8;
- b[6] = (FLAC__byte)xx; xx >>= 8;
- b[5] = (FLAC__byte)xx; xx >>= 8;
- b[4] = (FLAC__byte)xx; xx >>= 8;
- b[3] = (FLAC__byte)xx; xx >>= 8;
- b[2] = (FLAC__byte)xx; xx >>= 8;
- b[1] = (FLAC__byte)xx; xx >>= 8;
- b[0] = (FLAC__byte)xx; xx >>= 8;
- xx = encoder->private_->seek_table->points[i].stream_offset;
- b[15] = (FLAC__byte)xx; xx >>= 8;
- b[14] = (FLAC__byte)xx; xx >>= 8;
- b[13] = (FLAC__byte)xx; xx >>= 8;
- b[12] = (FLAC__byte)xx; xx >>= 8;
- b[11] = (FLAC__byte)xx; xx >>= 8;
- b[10] = (FLAC__byte)xx; xx >>= 8;
- b[9] = (FLAC__byte)xx; xx >>= 8;
- b[8] = (FLAC__byte)xx; xx >>= 8;
- x = encoder->private_->seek_table->points[i].frame_samples;
- b[17] = (FLAC__byte)x; x >>= 8;
- b[16] = (FLAC__byte)x; x >>= 8;
- memcpy(p, b, 18);
- }
-
- if(!simple_ogg_page__set_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) {
- simple_ogg_page__clear(&page);
- return; /* state already set */
- }
- simple_ogg_page__clear(&page);
- }
-}
-#endif
-
-FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block, FLAC__bool is_last_block)
-{
- FLAC__uint16 crc;
- FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
-
- /*
- * Accumulate raw signal to the MD5 signature
- */
- if(encoder->protected_->do_md5 && !FLAC__MD5Accumulate(&encoder->private_->md5context, (const FLAC__int32 * const *)encoder->private_->integer_signal, encoder->protected_->channels, encoder->protected_->blocksize, (encoder->protected_->bits_per_sample+7) / 8)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /*
- * Process the frame header and subframes into the frame bitbuffer
- */
- if(!process_subframes_(encoder, is_fractional_block)) {
- /* the above function sets the state for us in case of an error */
- return false;
- }
-
- /*
- * Zero-pad the frame to a byte_boundary
- */
- if(!FLAC__bitwriter_zero_pad_to_byte_boundary(encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /*
- * CRC-16 the whole thing
- */
- FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame));
- if(
- !FLAC__bitwriter_get_write_crc16(encoder->private_->frame, &crc) ||
- !FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, crc, FLAC__FRAME_FOOTER_CRC_LEN)
- ) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /*
- * Write it
- */
- if(!write_bitbuffer_(encoder, encoder->protected_->blocksize, is_last_block)) {
- /* the above function sets the state for us in case of an error */
- return false;
- }
-
- /*
- * Get ready for the next frame
- */
- encoder->private_->current_sample_number = 0;
- encoder->private_->current_frame_number++;
- encoder->private_->streaminfo.data.stream_info.total_samples += (FLAC__uint64)encoder->protected_->blocksize;
-
- return true;
-}
-
-FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block)
-{
- FLAC__FrameHeader frame_header;
- unsigned channel, min_partition_order = encoder->protected_->min_residual_partition_order, max_partition_order;
- FLAC__bool do_independent, do_mid_side;
-
- /*
- * Calculate the min,max Rice partition orders
- */
- if(is_fractional_block) {
- max_partition_order = 0;
- }
- else {
- max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize(encoder->protected_->blocksize);
- max_partition_order = flac_min(max_partition_order, encoder->protected_->max_residual_partition_order);
- }
- min_partition_order = flac_min(min_partition_order, max_partition_order);
-
- /*
- * Setup the frame
- */
- frame_header.blocksize = encoder->protected_->blocksize;
- frame_header.sample_rate = encoder->protected_->sample_rate;
- frame_header.channels = encoder->protected_->channels;
- frame_header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT; /* the default unless the encoder determines otherwise */
- frame_header.bits_per_sample = encoder->protected_->bits_per_sample;
- frame_header.number_type = FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER;
- frame_header.number.frame_number = encoder->private_->current_frame_number;
-
- /*
- * Figure out what channel assignments to try
- */
- if(encoder->protected_->do_mid_side_stereo) {
- if(encoder->protected_->loose_mid_side_stereo) {
- if(encoder->private_->loose_mid_side_stereo_frame_count == 0) {
- do_independent = true;
- do_mid_side = true;
- }
- else {
- do_independent = (encoder->private_->last_channel_assignment == FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT);
- do_mid_side = !do_independent;
- }
- }
- else {
- do_independent = true;
- do_mid_side = true;
- }
- }
- else {
- do_independent = true;
- do_mid_side = false;
- }
-
- FLAC__ASSERT(do_independent || do_mid_side);
-
- /*
- * Check for wasted bits; set effective bps for each subframe
- */
- if(do_independent) {
- for(channel = 0; channel < encoder->protected_->channels; channel++) {
- unsigned w = get_wasted_bits_(encoder->private_->integer_signal[channel], encoder->protected_->blocksize);
- if (w > encoder->protected_->bits_per_sample) {
- w = encoder->protected_->bits_per_sample;
- }
- encoder->private_->subframe_workspace[channel][0].wasted_bits = encoder->private_->subframe_workspace[channel][1].wasted_bits = w;
- encoder->private_->subframe_bps[channel] = encoder->protected_->bits_per_sample - w;
- }
- }
- if(do_mid_side) {
- FLAC__ASSERT(encoder->protected_->channels == 2);
- for(channel = 0; channel < 2; channel++) {
- unsigned w = get_wasted_bits_(encoder->private_->integer_signal_mid_side[channel], encoder->protected_->blocksize);
- if (w > encoder->protected_->bits_per_sample) {
- w = encoder->protected_->bits_per_sample;
- }
- encoder->private_->subframe_workspace_mid_side[channel][0].wasted_bits = encoder->private_->subframe_workspace_mid_side[channel][1].wasted_bits = w;
- encoder->private_->subframe_bps_mid_side[channel] = encoder->protected_->bits_per_sample - w + (channel==0? 0:1);
- }
- }
-
- /*
- * First do a normal encoding pass of each independent channel
- */
- if(do_independent) {
- for(channel = 0; channel < encoder->protected_->channels; channel++) {
- if(!
- process_subframe_(
- encoder,
- min_partition_order,
- max_partition_order,
- &frame_header,
- encoder->private_->subframe_bps[channel],
- encoder->private_->integer_signal[channel],
- encoder->private_->subframe_workspace_ptr[channel],
- encoder->private_->partitioned_rice_contents_workspace_ptr[channel],
- encoder->private_->residual_workspace[channel],
- encoder->private_->best_subframe+channel,
- encoder->private_->best_subframe_bits+channel
- )
- )
- return false;
- }
- }
-
- /*
- * Now do mid and side channels if requested
- */
- if(do_mid_side) {
- FLAC__ASSERT(encoder->protected_->channels == 2);
-
- for(channel = 0; channel < 2; channel++) {
- if(!
- process_subframe_(
- encoder,
- min_partition_order,
- max_partition_order,
- &frame_header,
- encoder->private_->subframe_bps_mid_side[channel],
- encoder->private_->integer_signal_mid_side[channel],
- encoder->private_->subframe_workspace_ptr_mid_side[channel],
- encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[channel],
- encoder->private_->residual_workspace_mid_side[channel],
- encoder->private_->best_subframe_mid_side+channel,
- encoder->private_->best_subframe_bits_mid_side+channel
- )
- )
- return false;
- }
- }
-
- /*
- * Compose the frame bitbuffer
- */
- if(do_mid_side) {
- unsigned left_bps = 0, right_bps = 0; /* initialized only to prevent superfluous compiler warning */
- FLAC__Subframe *left_subframe = 0, *right_subframe = 0; /* initialized only to prevent superfluous compiler warning */
- FLAC__ChannelAssignment channel_assignment;
-
- FLAC__ASSERT(encoder->protected_->channels == 2);
-
- if(encoder->protected_->loose_mid_side_stereo && encoder->private_->loose_mid_side_stereo_frame_count > 0) {
- channel_assignment = (encoder->private_->last_channel_assignment == FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT? FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT : FLAC__CHANNEL_ASSIGNMENT_MID_SIDE);
- }
- else {
- unsigned bits[4]; /* WATCHOUT - indexed by FLAC__ChannelAssignment */
- unsigned min_bits;
- int ca;
-
- FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT == 0);
- FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE == 1);
- FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE == 2);
- FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_MID_SIDE == 3);
- FLAC__ASSERT(do_independent && do_mid_side);
-
- /* We have to figure out which channel assignent results in the smallest frame */
- bits[FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT] = encoder->private_->best_subframe_bits [0] + encoder->private_->best_subframe_bits [1];
- bits[FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE ] = encoder->private_->best_subframe_bits [0] + encoder->private_->best_subframe_bits_mid_side[1];
- bits[FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE ] = encoder->private_->best_subframe_bits [1] + encoder->private_->best_subframe_bits_mid_side[1];
- bits[FLAC__CHANNEL_ASSIGNMENT_MID_SIDE ] = encoder->private_->best_subframe_bits_mid_side[0] + encoder->private_->best_subframe_bits_mid_side[1];
-
- channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT;
- min_bits = bits[channel_assignment];
- for(ca = 1; ca <= 3; ca++) {
- if(bits[ca] < min_bits) {
- min_bits = bits[ca];
- channel_assignment = (FLAC__ChannelAssignment)ca;
- }
- }
- }
-
- frame_header.channel_assignment = channel_assignment;
-
- if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return false;
- }
-
- switch(channel_assignment) {
- case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
- left_subframe = &encoder->private_->subframe_workspace [0][encoder->private_->best_subframe [0]];
- right_subframe = &encoder->private_->subframe_workspace [1][encoder->private_->best_subframe [1]];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
- left_subframe = &encoder->private_->subframe_workspace [0][encoder->private_->best_subframe [0]];
- right_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
- left_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]];
- right_subframe = &encoder->private_->subframe_workspace [1][encoder->private_->best_subframe [1]];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
- left_subframe = &encoder->private_->subframe_workspace_mid_side[0][encoder->private_->best_subframe_mid_side[0]];
- right_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]];
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- switch(channel_assignment) {
- case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
- left_bps = encoder->private_->subframe_bps [0];
- right_bps = encoder->private_->subframe_bps [1];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
- left_bps = encoder->private_->subframe_bps [0];
- right_bps = encoder->private_->subframe_bps_mid_side[1];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
- left_bps = encoder->private_->subframe_bps_mid_side[1];
- right_bps = encoder->private_->subframe_bps [1];
- break;
- case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
- left_bps = encoder->private_->subframe_bps_mid_side[0];
- right_bps = encoder->private_->subframe_bps_mid_side[1];
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- /* note that encoder_add_subframe_ sets the state for us in case of an error */
- if(!add_subframe_(encoder, frame_header.blocksize, left_bps , left_subframe , encoder->private_->frame))
- return false;
- if(!add_subframe_(encoder, frame_header.blocksize, right_bps, right_subframe, encoder->private_->frame))
- return false;
- }
- else {
- if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return false;
- }
-
- for(channel = 0; channel < encoder->protected_->channels; channel++) {
- if(!add_subframe_(encoder, frame_header.blocksize, encoder->private_->subframe_bps[channel], &encoder->private_->subframe_workspace[channel][encoder->private_->best_subframe[channel]], encoder->private_->frame)) {
- /* the above function sets the state for us in case of an error */
- return false;
- }
- }
- }
-
- if(encoder->protected_->loose_mid_side_stereo) {
- encoder->private_->loose_mid_side_stereo_frame_count++;
- if(encoder->private_->loose_mid_side_stereo_frame_count >= encoder->private_->loose_mid_side_stereo_frames)
- encoder->private_->loose_mid_side_stereo_frame_count = 0;
- }
-
- encoder->private_->last_channel_assignment = frame_header.channel_assignment;
-
- return true;
-}
-
-FLAC__bool process_subframe_(
- FLAC__StreamEncoder *encoder,
- unsigned min_partition_order,
- unsigned max_partition_order,
- const FLAC__FrameHeader *frame_header,
- unsigned subframe_bps,
- const FLAC__int32 integer_signal[],
- FLAC__Subframe *subframe[2],
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2],
- FLAC__int32 *residual[2],
- unsigned *best_subframe,
- unsigned *best_bits
-)
-{
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- float fixed_residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1];
-#else
- FLAC__fixedpoint fixed_residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1];
-#endif
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- double lpc_residual_bits_per_sample;
- FLAC__real autoc[FLAC__MAX_LPC_ORDER+1]; /* WATCHOUT: the size is important even though encoder->protected_->max_lpc_order might be less; some asm and x86 intrinsic routines need all the space */
- double lpc_error[FLAC__MAX_LPC_ORDER];
- unsigned min_lpc_order, max_lpc_order, lpc_order;
- unsigned min_qlp_coeff_precision, max_qlp_coeff_precision, qlp_coeff_precision;
-#endif
- unsigned min_fixed_order, max_fixed_order, guess_fixed_order, fixed_order;
- unsigned rice_parameter;
- unsigned _candidate_bits, _best_bits;
- unsigned _best_subframe;
- /* only use RICE2 partitions if stream bps > 16 */
- const unsigned rice_parameter_limit = FLAC__stream_encoder_get_bits_per_sample(encoder) > 16? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
-
- FLAC__ASSERT(frame_header->blocksize > 0);
-
- /* verbatim subframe is the baseline against which we measure other compressed subframes */
- _best_subframe = 0;
- if(encoder->private_->disable_verbatim_subframes && frame_header->blocksize >= FLAC__MAX_FIXED_ORDER)
- _best_bits = UINT_MAX;
- else
- _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]);
-
- if(frame_header->blocksize >= FLAC__MAX_FIXED_ORDER) {
- unsigned signal_is_constant = false;
- if(subframe_bps + 4 + FLAC__bitmath_ilog2((frame_header->blocksize-FLAC__MAX_FIXED_ORDER)|1) <= 32)
- guess_fixed_order = encoder->private_->local_fixed_compute_best_predictor(integer_signal+FLAC__MAX_FIXED_ORDER, frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample);
- else
- guess_fixed_order = encoder->private_->local_fixed_compute_best_predictor_wide(integer_signal+FLAC__MAX_FIXED_ORDER, frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample);
- /* check for constant subframe */
- if(
- !encoder->private_->disable_constant_subframes &&
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- fixed_residual_bits_per_sample[1] == 0.0
-#else
- fixed_residual_bits_per_sample[1] == FLAC__FP_ZERO
-#endif
- ) {
- /* the above means it's possible all samples are the same value; now double-check it: */
- unsigned i;
- signal_is_constant = true;
- for(i = 1; i < frame_header->blocksize; i++) {
- if(integer_signal[0] != integer_signal[i]) {
- signal_is_constant = false;
- break;
- }
- }
- }
- if(signal_is_constant) {
- _candidate_bits = evaluate_constant_subframe_(encoder, integer_signal[0], frame_header->blocksize, subframe_bps, subframe[!_best_subframe]);
- if(_candidate_bits < _best_bits) {
- _best_subframe = !_best_subframe;
- _best_bits = _candidate_bits;
- }
- }
- else {
- if(!encoder->private_->disable_fixed_subframes || (encoder->protected_->max_lpc_order == 0 && _best_bits == UINT_MAX)) {
- /* encode fixed */
- if(encoder->protected_->do_exhaustive_model_search) {
- min_fixed_order = 0;
- max_fixed_order = FLAC__MAX_FIXED_ORDER;
- }
- else {
- min_fixed_order = max_fixed_order = guess_fixed_order;
- }
- if(max_fixed_order >= frame_header->blocksize)
- max_fixed_order = frame_header->blocksize - 1;
- for(fixed_order = min_fixed_order; fixed_order <= max_fixed_order; fixed_order++) {
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- if(fixed_residual_bits_per_sample[fixed_order] >= (float)subframe_bps)
- continue; /* don't even try */
- rice_parameter = (fixed_residual_bits_per_sample[fixed_order] > 0.0)? (unsigned)(fixed_residual_bits_per_sample[fixed_order]+0.5) : 0; /* 0.5 is for rounding */
-#else
- if(FLAC__fixedpoint_trunc(fixed_residual_bits_per_sample[fixed_order]) >= (int)subframe_bps)
- continue; /* don't even try */
- rice_parameter = (fixed_residual_bits_per_sample[fixed_order] > FLAC__FP_ZERO)? (unsigned)FLAC__fixedpoint_trunc(fixed_residual_bits_per_sample[fixed_order]+FLAC__FP_ONE_HALF) : 0; /* 0.5 is for rounding */
-#endif
- rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */
- if(rice_parameter >= rice_parameter_limit) {
-#ifdef DEBUG_VERBOSE
- fprintf(stderr, "clipping rice_parameter (%u -> %u) @0\n", rice_parameter, rice_parameter_limit - 1);
-#endif
- rice_parameter = rice_parameter_limit - 1;
- }
- _candidate_bits =
- evaluate_fixed_subframe_(
- encoder,
- integer_signal,
- residual[!_best_subframe],
- encoder->private_->abs_residual_partition_sums,
- encoder->private_->raw_bits_per_partition,
- frame_header->blocksize,
- subframe_bps,
- fixed_order,
- rice_parameter,
- rice_parameter_limit,
- min_partition_order,
- max_partition_order,
- encoder->protected_->do_escape_coding,
- encoder->protected_->rice_parameter_search_dist,
- subframe[!_best_subframe],
- partitioned_rice_contents[!_best_subframe]
- );
- if(_candidate_bits < _best_bits) {
- _best_subframe = !_best_subframe;
- _best_bits = _candidate_bits;
- }
- }
- }
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
- /* encode lpc */
- if(encoder->protected_->max_lpc_order > 0) {
- if(encoder->protected_->max_lpc_order >= frame_header->blocksize)
- max_lpc_order = frame_header->blocksize-1;
- else
- max_lpc_order = encoder->protected_->max_lpc_order;
- if(max_lpc_order > 0) {
- unsigned a;
- for (a = 0; a < encoder->protected_->num_apodizations; a++) {
- FLAC__lpc_window_data(integer_signal, encoder->private_->window[a], encoder->private_->windowed_signal, frame_header->blocksize);
- encoder->private_->local_lpc_compute_autocorrelation(encoder->private_->windowed_signal, frame_header->blocksize, max_lpc_order+1, autoc);
- /* if autoc[0] == 0.0, the signal is constant and we usually won't get here, but it can happen */
- if(autoc[0] != 0.0) {
- FLAC__lpc_compute_lp_coefficients(autoc, &max_lpc_order, encoder->private_->lp_coeff, lpc_error);
- if(encoder->protected_->do_exhaustive_model_search) {
- min_lpc_order = 1;
- }
- else {
- const unsigned guess_lpc_order =
- FLAC__lpc_compute_best_order(
- lpc_error,
- max_lpc_order,
- frame_header->blocksize,
- subframe_bps + (
- encoder->protected_->do_qlp_coeff_prec_search?
- FLAC__MIN_QLP_COEFF_PRECISION : /* have to guess; use the min possible size to avoid accidentally favoring lower orders */
- encoder->protected_->qlp_coeff_precision
- )
- );
- min_lpc_order = max_lpc_order = guess_lpc_order;
- }
- if(max_lpc_order >= frame_header->blocksize)
- max_lpc_order = frame_header->blocksize - 1;
- for(lpc_order = min_lpc_order; lpc_order <= max_lpc_order; lpc_order++) {
- lpc_residual_bits_per_sample = FLAC__lpc_compute_expected_bits_per_residual_sample(lpc_error[lpc_order-1], frame_header->blocksize-lpc_order);
- if(lpc_residual_bits_per_sample >= (double)subframe_bps)
- continue; /* don't even try */
- rice_parameter = (lpc_residual_bits_per_sample > 0.0)? (unsigned)(lpc_residual_bits_per_sample+0.5) : 0; /* 0.5 is for rounding */
- rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */
- if(rice_parameter >= rice_parameter_limit) {
-#ifdef DEBUG_VERBOSE
- fprintf(stderr, "clipping rice_parameter (%u -> %u) @1\n", rice_parameter, rice_parameter_limit - 1);
-#endif
- rice_parameter = rice_parameter_limit - 1;
- }
- if(encoder->protected_->do_qlp_coeff_prec_search) {
- min_qlp_coeff_precision = FLAC__MIN_QLP_COEFF_PRECISION;
- /* try to keep qlp coeff precision such that only 32-bit math is required for decode of <=16bps(+1bps for side channel) streams */
- if(subframe_bps <= 17) {
- max_qlp_coeff_precision = flac_min(32 - subframe_bps - FLAC__bitmath_ilog2(lpc_order), FLAC__MAX_QLP_COEFF_PRECISION);
- max_qlp_coeff_precision = flac_max(max_qlp_coeff_precision, min_qlp_coeff_precision);
- }
- else
- max_qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION;
- }
- else {
- min_qlp_coeff_precision = max_qlp_coeff_precision = encoder->protected_->qlp_coeff_precision;
- }
- for(qlp_coeff_precision = min_qlp_coeff_precision; qlp_coeff_precision <= max_qlp_coeff_precision; qlp_coeff_precision++) {
- _candidate_bits =
- evaluate_lpc_subframe_(
- encoder,
- integer_signal,
- residual[!_best_subframe],
- encoder->private_->abs_residual_partition_sums,
- encoder->private_->raw_bits_per_partition,
- encoder->private_->lp_coeff[lpc_order-1],
- frame_header->blocksize,
- subframe_bps,
- lpc_order,
- qlp_coeff_precision,
- rice_parameter,
- rice_parameter_limit,
- min_partition_order,
- max_partition_order,
- encoder->protected_->do_escape_coding,
- encoder->protected_->rice_parameter_search_dist,
- subframe[!_best_subframe],
- partitioned_rice_contents[!_best_subframe]
- );
- if(_candidate_bits > 0) { /* if == 0, there was a problem quantizing the lpcoeffs */
- if(_candidate_bits < _best_bits) {
- _best_subframe = !_best_subframe;
- _best_bits = _candidate_bits;
- }
- }
- }
- }
- }
- }
- }
- }
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
- }
- }
-
- /* under rare circumstances this can happen when all but lpc subframe types are disabled: */
- if(_best_bits == UINT_MAX) {
- FLAC__ASSERT(_best_subframe == 0);
- _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]);
- }
-
- *best_subframe = _best_subframe;
- *best_bits = _best_bits;
-
- return true;
-}
-
-FLAC__bool add_subframe_(
- FLAC__StreamEncoder *encoder,
- unsigned blocksize,
- unsigned subframe_bps,
- const FLAC__Subframe *subframe,
- FLAC__BitWriter *frame
-)
-{
- switch(subframe->type) {
- case FLAC__SUBFRAME_TYPE_CONSTANT:
- if(!FLAC__subframe_add_constant(&(subframe->data.constant), subframe_bps, subframe->wasted_bits, frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return false;
- }
- break;
- case FLAC__SUBFRAME_TYPE_FIXED:
- if(!FLAC__subframe_add_fixed(&(subframe->data.fixed), blocksize - subframe->data.fixed.order, subframe_bps, subframe->wasted_bits, frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return false;
- }
- break;
- case FLAC__SUBFRAME_TYPE_LPC:
- if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return false;
- }
- break;
- case FLAC__SUBFRAME_TYPE_VERBATIM:
- if(!FLAC__subframe_add_verbatim(&(subframe->data.verbatim), blocksize, subframe_bps, subframe->wasted_bits, frame)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
- return false;
- }
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- return true;
-}
-
-#define SPOTCHECK_ESTIMATE 0
-#if SPOTCHECK_ESTIMATE
-static void spotcheck_subframe_estimate_(
- FLAC__StreamEncoder *encoder,
- unsigned blocksize,
- unsigned subframe_bps,
- const FLAC__Subframe *subframe,
- unsigned estimate
-)
-{
- FLAC__bool ret;
- FLAC__BitWriter *frame = FLAC__bitwriter_new();
- if(frame == 0) {
- fprintf(stderr, "EST: can't allocate frame\n");
- return;
- }
- if(!FLAC__bitwriter_init(frame)) {
- fprintf(stderr, "EST: can't init frame\n");
- return;
- }
- ret = add_subframe_(encoder, blocksize, subframe_bps, subframe, frame);
- FLAC__ASSERT(ret);
- {
- const unsigned actual = FLAC__bitwriter_get_input_bits_unconsumed(frame);
- if(estimate != actual)
- fprintf(stderr, "EST: bad, frame#%u sub#%%d type=%8s est=%u, actual=%u, delta=%d\n", encoder->private_->current_frame_number, FLAC__SubframeTypeString[subframe->type], estimate, actual, (int)actual-(int)estimate);
- }
- FLAC__bitwriter_delete(frame);
-}
-#endif
-
-unsigned evaluate_constant_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal,
- unsigned blocksize,
- unsigned subframe_bps,
- FLAC__Subframe *subframe
-)
-{
- unsigned estimate;
- subframe->type = FLAC__SUBFRAME_TYPE_CONSTANT;
- subframe->data.constant.value = signal;
-
- estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + subframe_bps;
-
-#if SPOTCHECK_ESTIMATE
- spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
-#else
- (void)encoder, (void)blocksize;
-#endif
-
- return estimate;
-}
-
-unsigned evaluate_fixed_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal[],
- FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned raw_bits_per_partition[],
- unsigned blocksize,
- unsigned subframe_bps,
- unsigned order,
- unsigned rice_parameter,
- unsigned rice_parameter_limit,
- unsigned min_partition_order,
- unsigned max_partition_order,
- FLAC__bool do_escape_coding,
- unsigned rice_parameter_search_dist,
- FLAC__Subframe *subframe,
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
-)
-{
- unsigned i, residual_bits, estimate;
- const unsigned residual_samples = blocksize - order;
-
- FLAC__fixed_compute_residual(signal+order, residual_samples, order, residual);
-
- subframe->type = FLAC__SUBFRAME_TYPE_FIXED;
-
- subframe->data.fixed.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE;
- subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents;
- subframe->data.fixed.residual = residual;
-
- residual_bits =
- find_best_partition_order_(
- encoder->private_,
- residual,
- abs_residual_partition_sums,
- raw_bits_per_partition,
- residual_samples,
- order,
- rice_parameter,
- rice_parameter_limit,
- min_partition_order,
- max_partition_order,
- subframe_bps,
- do_escape_coding,
- rice_parameter_search_dist,
- &subframe->data.fixed.entropy_coding_method
- );
-
- subframe->data.fixed.order = order;
- for(i = 0; i < order; i++)
- subframe->data.fixed.warmup[i] = signal[i];
-
- estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (order * subframe_bps) + residual_bits;
-
-#if SPOTCHECK_ESTIMATE
- spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
-#endif
-
- return estimate;
-}
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-unsigned evaluate_lpc_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal[],
- FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned raw_bits_per_partition[],
- const FLAC__real lp_coeff[],
- unsigned blocksize,
- unsigned subframe_bps,
- unsigned order,
- unsigned qlp_coeff_precision,
- unsigned rice_parameter,
- unsigned rice_parameter_limit,
- unsigned min_partition_order,
- unsigned max_partition_order,
- FLAC__bool do_escape_coding,
- unsigned rice_parameter_search_dist,
- FLAC__Subframe *subframe,
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
-)
-{
- FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER]; /* WATCHOUT: the size is important; some x86 intrinsic routines need more than lpc order elements */
- unsigned i, residual_bits, estimate;
- int quantization, ret;
- const unsigned residual_samples = blocksize - order;
-
- /* try to keep qlp coeff precision such that only 32-bit math is required for decode of <=16bps(+1bps for side channel) streams */
- if(subframe_bps <= 17) {
- FLAC__ASSERT(order > 0);
- FLAC__ASSERT(order <= FLAC__MAX_LPC_ORDER);
- qlp_coeff_precision = flac_min(qlp_coeff_precision, 32 - subframe_bps - FLAC__bitmath_ilog2(order));
- }
-
- ret = FLAC__lpc_quantize_coefficients(lp_coeff, order, qlp_coeff_precision, qlp_coeff, &quantization);
- if(ret != 0)
- return 0; /* this is a hack to indicate to the caller that we can't do lp at this order on this subframe */
-
- if(subframe_bps + qlp_coeff_precision + FLAC__bitmath_ilog2(order) <= 32)
- if(subframe_bps <= 16 && qlp_coeff_precision <= 16)
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit(signal+order, residual_samples, qlp_coeff, order, quantization, residual);
- else
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients(signal+order, residual_samples, qlp_coeff, order, quantization, residual);
- else
- encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit(signal+order, residual_samples, qlp_coeff, order, quantization, residual);
-
- subframe->type = FLAC__SUBFRAME_TYPE_LPC;
-
- subframe->data.lpc.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE;
- subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents;
- subframe->data.lpc.residual = residual;
-
- residual_bits =
- find_best_partition_order_(
- encoder->private_,
- residual,
- abs_residual_partition_sums,
- raw_bits_per_partition,
- residual_samples,
- order,
- rice_parameter,
- rice_parameter_limit,
- min_partition_order,
- max_partition_order,
- subframe_bps,
- do_escape_coding,
- rice_parameter_search_dist,
- &subframe->data.lpc.entropy_coding_method
- );
-
- subframe->data.lpc.order = order;
- subframe->data.lpc.qlp_coeff_precision = qlp_coeff_precision;
- subframe->data.lpc.quantization_level = quantization;
- memcpy(subframe->data.lpc.qlp_coeff, qlp_coeff, sizeof(FLAC__int32)*FLAC__MAX_LPC_ORDER);
- for(i = 0; i < order; i++)
- subframe->data.lpc.warmup[i] = signal[i];
-
- estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN + FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN + (order * (qlp_coeff_precision + subframe_bps)) + residual_bits;
-
-#if SPOTCHECK_ESTIMATE
- spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
-#endif
-
- return estimate;
-}
-#endif
-
-unsigned evaluate_verbatim_subframe_(
- FLAC__StreamEncoder *encoder,
- const FLAC__int32 signal[],
- unsigned blocksize,
- unsigned subframe_bps,
- FLAC__Subframe *subframe
-)
-{
- unsigned estimate;
-
- subframe->type = FLAC__SUBFRAME_TYPE_VERBATIM;
-
- subframe->data.verbatim.data = signal;
-
- estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (blocksize * subframe_bps);
-
-#if SPOTCHECK_ESTIMATE
- spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
-#else
- (void)encoder;
-#endif
-
- return estimate;
-}
-
-unsigned find_best_partition_order_(
- FLAC__StreamEncoderPrivate *private_,
- const FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned raw_bits_per_partition[],
- unsigned residual_samples,
- unsigned predictor_order,
- unsigned rice_parameter,
- unsigned rice_parameter_limit,
- unsigned min_partition_order,
- unsigned max_partition_order,
- unsigned bps,
- FLAC__bool do_escape_coding,
- unsigned rice_parameter_search_dist,
- FLAC__EntropyCodingMethod *best_ecm
-)
-{
- unsigned residual_bits, best_residual_bits = 0;
- unsigned best_parameters_index = 0;
- unsigned best_partition_order = 0;
- const unsigned blocksize = residual_samples + predictor_order;
-
- max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(max_partition_order, blocksize, predictor_order);
- min_partition_order = flac_min(min_partition_order, max_partition_order);
-
- private_->local_precompute_partition_info_sums(residual, abs_residual_partition_sums, residual_samples, predictor_order, min_partition_order, max_partition_order, bps);
-
- if(do_escape_coding)
- precompute_partition_info_escapes_(residual, raw_bits_per_partition, residual_samples, predictor_order, min_partition_order, max_partition_order);
-
- {
- int partition_order;
- unsigned sum;
-
- for(partition_order = (int)max_partition_order, sum = 0; partition_order >= (int)min_partition_order; partition_order--) {
- if(!
- set_partitioned_rice_(
-#ifdef EXACT_RICE_BITS_CALCULATION
- residual,
-#endif
- abs_residual_partition_sums+sum,
- raw_bits_per_partition+sum,
- residual_samples,
- predictor_order,
- rice_parameter,
- rice_parameter_limit,
- rice_parameter_search_dist,
- (unsigned)partition_order,
- do_escape_coding,
- &private_->partitioned_rice_contents_extra[!best_parameters_index],
- &residual_bits
- )
- )
- {
- FLAC__ASSERT(best_residual_bits != 0);
- break;
- }
- sum += 1u << partition_order;
- if(best_residual_bits == 0 || residual_bits < best_residual_bits) {
- best_residual_bits = residual_bits;
- best_parameters_index = !best_parameters_index;
- best_partition_order = partition_order;
- }
- }
- }
-
- best_ecm->data.partitioned_rice.order = best_partition_order;
-
- {
- /*
- * We are allowed to de-const the pointer based on our special
- * knowledge; it is const to the outside world.
- */
- FLAC__EntropyCodingMethod_PartitionedRiceContents* prc = (FLAC__EntropyCodingMethod_PartitionedRiceContents*)best_ecm->data.partitioned_rice.contents;
- unsigned partition;
-
- /* save best parameters and raw_bits */
- FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(prc, flac_max(6u, best_partition_order));
- memcpy(prc->parameters, private_->partitioned_rice_contents_extra[best_parameters_index].parameters, sizeof(unsigned)*(1<<(best_partition_order)));
- if(do_escape_coding)
- memcpy(prc->raw_bits, private_->partitioned_rice_contents_extra[best_parameters_index].raw_bits, sizeof(unsigned)*(1<<(best_partition_order)));
- /*
- * Now need to check if the type should be changed to
- * FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 based on the
- * size of the rice parameters.
- */
- for(partition = 0; partition < (1u<<best_partition_order); partition++) {
- if(prc->parameters[partition] >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) {
- best_ecm->type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2;
- break;
- }
- }
- }
-
- return best_residual_bits;
-}
-
-void precompute_partition_info_sums_(
- const FLAC__int32 residual[],
- FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples,
- unsigned predictor_order,
- unsigned min_partition_order,
- unsigned max_partition_order,
- unsigned bps
-)
-{
- const unsigned default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
- unsigned partitions = 1u << max_partition_order;
-
- FLAC__ASSERT(default_partition_samples > predictor_order);
-
- /* first do max_partition_order */
- {
- const unsigned threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
- unsigned partition, residual_sample, end = (unsigned)(-(int)predictor_order);
- /* WATCHOUT: "bps + FLAC__MAX_EXTRA_RESIDUAL_BPS" is the maximum assumed size of the average residual magnitude */
- if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- FLAC__uint32 abs_residual_partition_sum = 0;
- end += default_partition_samples;
- for( ; residual_sample < end; residual_sample++)
- abs_residual_partition_sum += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */
- abs_residual_partition_sums[partition] = abs_residual_partition_sum;
- }
- }
- else { /* have to pessimistically use 64 bits for accumulator */
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- FLAC__uint64 abs_residual_partition_sum64 = 0;
- end += default_partition_samples;
- for( ; residual_sample < end; residual_sample++)
- abs_residual_partition_sum64 += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */
- abs_residual_partition_sums[partition] = abs_residual_partition_sum64;
- }
- }
- }
-
- /* now merge partitions for lower orders */
- {
- unsigned from_partition = 0, to_partition = partitions;
- int partition_order;
- for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
- unsigned i;
- partitions >>= 1;
- for(i = 0; i < partitions; i++) {
- abs_residual_partition_sums[to_partition++] =
- abs_residual_partition_sums[from_partition ] +
- abs_residual_partition_sums[from_partition+1];
- from_partition += 2;
- }
- }
- }
-}
-
-void precompute_partition_info_escapes_(
- const FLAC__int32 residual[],
- unsigned raw_bits_per_partition[],
- unsigned residual_samples,
- unsigned predictor_order,
- unsigned min_partition_order,
- unsigned max_partition_order
-)
-{
- int partition_order;
- unsigned from_partition, to_partition = 0;
- const unsigned blocksize = residual_samples + predictor_order;
-
- /* first do max_partition_order */
- for(partition_order = (int)max_partition_order; partition_order >= 0; partition_order--) {
- FLAC__int32 r;
- FLAC__uint32 rmax;
- unsigned partition, partition_sample, partition_samples, residual_sample;
- const unsigned partitions = 1u << partition_order;
- const unsigned default_partition_samples = blocksize >> partition_order;
-
- FLAC__ASSERT(default_partition_samples > predictor_order);
-
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- partition_samples = default_partition_samples;
- if(partition == 0)
- partition_samples -= predictor_order;
- rmax = 0;
- for(partition_sample = 0; partition_sample < partition_samples; partition_sample++) {
- r = residual[residual_sample++];
- /* OPT: maybe faster: rmax |= r ^ (r>>31) */
- if(r < 0)
- rmax |= ~r;
- else
- rmax |= r;
- }
- /* now we know all residual values are in the range [-rmax-1,rmax] */
- raw_bits_per_partition[partition] = rmax? FLAC__bitmath_ilog2(rmax) + 2 : 1;
- }
- to_partition = partitions;
- break; /*@@@ yuck, should remove the 'for' loop instead */
- }
-
- /* now merge partitions for lower orders */
- for(from_partition = 0, --partition_order; partition_order >= (int)min_partition_order; partition_order--) {
- unsigned m;
- unsigned i;
- const unsigned partitions = 1u << partition_order;
- for(i = 0; i < partitions; i++) {
- m = raw_bits_per_partition[from_partition];
- from_partition++;
- raw_bits_per_partition[to_partition] = flac_max(m, raw_bits_per_partition[from_partition]);
- from_partition++;
- to_partition++;
- }
- }
-}
-
-#ifdef EXACT_RICE_BITS_CALCULATION
-static inline unsigned count_rice_bits_in_partition_(
- const unsigned rice_parameter,
- const unsigned partition_samples,
- const FLAC__int32 *residual
-)
-{
- unsigned i, partition_bits =
- FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */
- (1+rice_parameter) * partition_samples /* 1 for unary stop bit + rice_parameter for the binary portion */
- ;
- for(i = 0; i < partition_samples; i++)
- partition_bits += ( (FLAC__uint32)((residual[i]<<1)^(residual[i]>>31)) >> rice_parameter );
- return partition_bits;
-}
-#else
-static inline unsigned count_rice_bits_in_partition_(
- const unsigned rice_parameter,
- const unsigned partition_samples,
- const FLAC__uint64 abs_residual_partition_sum
-)
-{
- return
- FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */
- (1+rice_parameter) * partition_samples + /* 1 for unary stop bit + rice_parameter for the binary portion */
- (
- rice_parameter?
- (unsigned)(abs_residual_partition_sum >> (rice_parameter-1)) /* rice_parameter-1 because the real coder sign-folds instead of using a sign bit */
- : (unsigned)(abs_residual_partition_sum << 1) /* can't shift by negative number, so reverse */
- )
- - (partition_samples >> 1)
- /* -(partition_samples>>1) to subtract out extra contributions to the abs_residual_partition_sum.
- * The actual number of bits used is closer to the sum(for all i in the partition) of abs(residual[i])>>(rice_parameter-1)
- * By using the abs_residual_partition sum, we also add in bits in the LSBs that would normally be shifted out.
- * So the subtraction term tries to guess how many extra bits were contributed.
- * If the LSBs are randomly distributed, this should average to 0.5 extra bits per sample.
- */
- ;
-}
-#endif
-
-FLAC__bool set_partitioned_rice_(
-#ifdef EXACT_RICE_BITS_CALCULATION
- const FLAC__int32 residual[],
-#endif
- const FLAC__uint64 abs_residual_partition_sums[],
- const unsigned raw_bits_per_partition[],
- const unsigned residual_samples,
- const unsigned predictor_order,
- const unsigned suggested_rice_parameter,
- const unsigned rice_parameter_limit,
- const unsigned rice_parameter_search_dist,
- const unsigned partition_order,
- const FLAC__bool search_for_escapes,
- FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents,
- unsigned *bits
-)
-{
- unsigned rice_parameter, partition_bits;
- unsigned best_partition_bits, best_rice_parameter = 0;
- unsigned bits_ = FLAC__ENTROPY_CODING_METHOD_TYPE_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN;
- unsigned *parameters, *raw_bits;
-#ifdef ENABLE_RICE_PARAMETER_SEARCH
- unsigned min_rice_parameter, max_rice_parameter;
-#else
- (void)rice_parameter_search_dist;
-#endif
-
- FLAC__ASSERT(suggested_rice_parameter < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER);
- FLAC__ASSERT(rice_parameter_limit <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER);
-
- FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, flac_max(6u, partition_order));
- parameters = partitioned_rice_contents->parameters;
- raw_bits = partitioned_rice_contents->raw_bits;
-
- if(partition_order == 0) {
- best_partition_bits = (unsigned)(-1);
-#ifdef ENABLE_RICE_PARAMETER_SEARCH
- if(rice_parameter_search_dist) {
- if(suggested_rice_parameter < rice_parameter_search_dist)
- min_rice_parameter = 0;
- else
- min_rice_parameter = suggested_rice_parameter - rice_parameter_search_dist;
- max_rice_parameter = suggested_rice_parameter + rice_parameter_search_dist;
- if(max_rice_parameter >= rice_parameter_limit) {
-#ifdef DEBUG_VERBOSE
- fprintf(stderr, "clipping rice_parameter (%u -> %u) @5\n", max_rice_parameter, rice_parameter_limit - 1);
-#endif
- max_rice_parameter = rice_parameter_limit - 1;
- }
- }
- else
- min_rice_parameter = max_rice_parameter = suggested_rice_parameter;
-
- for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) {
-#else
- rice_parameter = suggested_rice_parameter;
-#endif
-#ifdef EXACT_RICE_BITS_CALCULATION
- partition_bits = count_rice_bits_in_partition_(rice_parameter, residual_samples, residual);
-#else
- partition_bits = count_rice_bits_in_partition_(rice_parameter, residual_samples, abs_residual_partition_sums[0]);
-#endif
- if(partition_bits < best_partition_bits) {
- best_rice_parameter = rice_parameter;
- best_partition_bits = partition_bits;
- }
-#ifdef ENABLE_RICE_PARAMETER_SEARCH
- }
-#endif
- if(search_for_escapes) {
- partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[0] * residual_samples;
- if(partition_bits <= best_partition_bits) {
- raw_bits[0] = raw_bits_per_partition[0];
- best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */
- best_partition_bits = partition_bits;
- }
- else
- raw_bits[0] = 0;
- }
- parameters[0] = best_rice_parameter;
- bits_ += best_partition_bits;
- }
- else {
- unsigned partition, residual_sample;
- unsigned partition_samples;
- FLAC__uint64 mean, k;
- const unsigned partitions = 1u << partition_order;
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- partition_samples = (residual_samples+predictor_order) >> partition_order;
- if(partition == 0) {
- if(partition_samples <= predictor_order)
- return false;
- else
- partition_samples -= predictor_order;
- }
- mean = abs_residual_partition_sums[partition];
- /* we are basically calculating the size in bits of the
- * average residual magnitude in the partition:
- * rice_parameter = floor(log2(mean/partition_samples))
- * 'mean' is not a good name for the variable, it is
- * actually the sum of magnitudes of all residual values
- * in the partition, so the actual mean is
- * mean/partition_samples
- */
-#if 0 /* old simple code */
- for(rice_parameter = 0, k = partition_samples; k < mean; rice_parameter++, k <<= 1)
- ;
-#else
-#if defined FLAC__CPU_X86_64 /* and other 64-bit arch, too */
- if(mean <= 0x80000000/512) { /* 512: more or less optimal for both 16- and 24-bit input */
-#else
- if(mean <= 0x80000000/8) { /* 32-bit arch: use 32-bit math if possible */
-#endif
- FLAC__uint32 k2, mean2 = (FLAC__uint32) mean;
- rice_parameter = 0; k2 = partition_samples;
- while(k2*8 < mean2) { /* requires: mean <= (2^31)/8 */
- rice_parameter += 4; k2 <<= 4; /* tuned for 16-bit input */
- }
- while(k2 < mean2) { /* requires: mean <= 2^31 */
- rice_parameter++; k2 <<= 1;
- }
- }
- else {
- rice_parameter = 0; k = partition_samples;
- if(mean <= FLAC__U64L(0x8000000000000000)/128) /* usually mean is _much_ smaller than this value */
- while(k*128 < mean) { /* requires: mean <= (2^63)/128 */
- rice_parameter += 8; k <<= 8; /* tuned for 24-bit input */
- }
- while(k < mean) { /* requires: mean <= 2^63 */
- rice_parameter++; k <<= 1;
- }
- }
-#endif
- if(rice_parameter >= rice_parameter_limit) {
-#ifdef DEBUG_VERBOSE
- fprintf(stderr, "clipping rice_parameter (%u -> %u) @6\n", rice_parameter, rice_parameter_limit - 1);
-#endif
- rice_parameter = rice_parameter_limit - 1;
- }
-
- best_partition_bits = (unsigned)(-1);
-#ifdef ENABLE_RICE_PARAMETER_SEARCH
- if(rice_parameter_search_dist) {
- if(rice_parameter < rice_parameter_search_dist)
- min_rice_parameter = 0;
- else
- min_rice_parameter = rice_parameter - rice_parameter_search_dist;
- max_rice_parameter = rice_parameter + rice_parameter_search_dist;
- if(max_rice_parameter >= rice_parameter_limit) {
-#ifdef DEBUG_VERBOSE
- fprintf(stderr, "clipping rice_parameter (%u -> %u) @7\n", max_rice_parameter, rice_parameter_limit - 1);
-#endif
- max_rice_parameter = rice_parameter_limit - 1;
- }
- }
- else
- min_rice_parameter = max_rice_parameter = rice_parameter;
-
- for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) {
-#endif
-#ifdef EXACT_RICE_BITS_CALCULATION
- partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, residual+residual_sample);
-#else
- partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, abs_residual_partition_sums[partition]);
-#endif
- if(partition_bits < best_partition_bits) {
- best_rice_parameter = rice_parameter;
- best_partition_bits = partition_bits;
- }
-#ifdef ENABLE_RICE_PARAMETER_SEARCH
- }
-#endif
- if(search_for_escapes) {
- partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[partition] * partition_samples;
- if(partition_bits <= best_partition_bits) {
- raw_bits[partition] = raw_bits_per_partition[partition];
- best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */
- best_partition_bits = partition_bits;
- }
- else
- raw_bits[partition] = 0;
- }
- parameters[partition] = best_rice_parameter;
- bits_ += best_partition_bits;
- residual_sample += partition_samples;
- }
- }
-
- *bits = bits_;
- return true;
-}
-
-unsigned get_wasted_bits_(FLAC__int32 signal[], unsigned samples)
-{
- unsigned i, shift;
- FLAC__int32 x = 0;
-
- for(i = 0; i < samples && !(x&1); i++)
- x |= signal[i];
-
- if(x == 0) {
- shift = 0;
- }
- else {
- for(shift = 0; !(x&1); shift++)
- x >>= 1;
- }
-
- if(shift > 0) {
- for(i = 0; i < samples; i++)
- signal[i] >>= shift;
- }
-
- return shift;
-}
-
-void append_to_verify_fifo_(verify_input_fifo *fifo, const FLAC__int32 * const input[], unsigned input_offset, unsigned channels, unsigned wide_samples)
-{
- unsigned channel;
-
- for(channel = 0; channel < channels; channel++)
- memcpy(&fifo->data[channel][fifo->tail], &input[channel][input_offset], sizeof(FLAC__int32) * wide_samples);
-
- fifo->tail += wide_samples;
-
- FLAC__ASSERT(fifo->tail <= fifo->size);
-}
-
-void append_to_verify_fifo_interleaved_(verify_input_fifo *fifo, const FLAC__int32 input[], unsigned input_offset, unsigned channels, unsigned wide_samples)
-{
- unsigned channel;
- unsigned sample, wide_sample;
- unsigned tail = fifo->tail;
-
- sample = input_offset * channels;
- for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) {
- for(channel = 0; channel < channels; channel++)
- fifo->data[channel][tail] = input[sample++];
- tail++;
- }
- fifo->tail = tail;
-
- FLAC__ASSERT(fifo->tail <= fifo->size);
-}
-
-FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data;
- const size_t encoded_bytes = encoder->private_->verify.output.bytes;
- (void)decoder;
-
- if(encoder->private_->verify.needs_magic_hack) {
- FLAC__ASSERT(*bytes >= FLAC__STREAM_SYNC_LENGTH);
- *bytes = FLAC__STREAM_SYNC_LENGTH;
- memcpy(buffer, FLAC__STREAM_SYNC_STRING, *bytes);
- encoder->private_->verify.needs_magic_hack = false;
- }
- else {
- if(encoded_bytes == 0) {
- /*
- * If we get here, a FIFO underflow has occurred,
- * which means there is a bug somewhere.
- */
- FLAC__ASSERT(0);
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
- }
- else if(encoded_bytes < *bytes)
- *bytes = encoded_bytes;
- memcpy(buffer, encoder->private_->verify.output.data, *bytes);
- encoder->private_->verify.output.data += *bytes;
- encoder->private_->verify.output.bytes -= *bytes;
- }
-
- return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
-}
-
-FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
-{
- FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder *)client_data;
- unsigned channel;
- const unsigned channels = frame->header.channels;
- const unsigned blocksize = frame->header.blocksize;
- const unsigned bytes_per_block = sizeof(FLAC__int32) * blocksize;
-
- (void)decoder;
-
- for(channel = 0; channel < channels; channel++) {
- if(0 != memcmp(buffer[channel], encoder->private_->verify.input_fifo.data[channel], bytes_per_block)) {
- unsigned i, sample = 0;
- FLAC__int32 expect = 0, got = 0;
-
- for(i = 0; i < blocksize; i++) {
- if(buffer[channel][i] != encoder->private_->verify.input_fifo.data[channel][i]) {
- sample = i;
- expect = (FLAC__int32)encoder->private_->verify.input_fifo.data[channel][i];
- got = (FLAC__int32)buffer[channel][i];
- break;
- }
- }
- FLAC__ASSERT(i < blocksize);
- FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
- encoder->private_->verify.error_stats.absolute_sample = frame->header.number.sample_number + sample;
- encoder->private_->verify.error_stats.frame_number = (unsigned)(frame->header.number.sample_number / blocksize);
- encoder->private_->verify.error_stats.channel = channel;
- encoder->private_->verify.error_stats.sample = sample;
- encoder->private_->verify.error_stats.expected = expect;
- encoder->private_->verify.error_stats.got = got;
- encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA;
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- }
- /* dequeue the frame from the fifo */
- encoder->private_->verify.input_fifo.tail -= blocksize;
- FLAC__ASSERT(encoder->private_->verify.input_fifo.tail <= OVERREAD_);
- for(channel = 0; channel < channels; channel++)
- memmove(&encoder->private_->verify.input_fifo.data[channel][0], &encoder->private_->verify.input_fifo.data[channel][blocksize], encoder->private_->verify.input_fifo.tail * sizeof(encoder->private_->verify.input_fifo.data[0][0]));
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-}
-
-void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
-{
- (void)decoder, (void)metadata, (void)client_data;
-}
-
-void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
- FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data;
- (void)decoder, (void)status;
- encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
-}
-
-FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- (void)client_data;
-
- *bytes = fread(buffer, 1, *bytes, encoder->private_->file);
- if (*bytes == 0) {
- if (feof(encoder->private_->file))
- return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM;
- else if (ferror(encoder->private_->file))
- return FLAC__STREAM_ENCODER_READ_STATUS_ABORT;
- }
- return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE;
-}
-
-FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
-{
- (void)client_data;
-
- if(fseeko(encoder->private_->file, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0)
- return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR;
- else
- return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
-}
-
-FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
-{
- FLAC__off_t offset;
-
- (void)client_data;
-
- offset = ftello(encoder->private_->file);
-
- if(offset < 0) {
- return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR;
- }
- else {
- *absolute_byte_offset = (FLAC__uint64)offset;
- return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
- }
-}
-
-#ifdef FLAC__VALGRIND_TESTING
-static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
-{
- size_t ret = fwrite(ptr, size, nmemb, stream);
- if(!ferror(stream))
- fflush(stream);
- return ret;
-}
-#else
-#define local__fwrite fwrite
-#endif
-
-FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
-{
- (void)client_data, (void)current_frame;
-
- if(local__fwrite(buffer, sizeof(FLAC__byte), bytes, encoder->private_->file) == bytes) {
- FLAC__bool call_it = 0 != encoder->private_->progress_callback && (
-#if FLAC__HAS_OGG
- /* We would like to be able to use 'samples > 0' in the
- * clause here but currently because of the nature of our
- * Ogg writing implementation, 'samples' is always 0 (see
- * ogg_encoder_aspect.c). The downside is extra progress
- * callbacks.
- */
- encoder->private_->is_ogg? true :
-#endif
- samples > 0
- );
- if(call_it) {
- /* NOTE: We have to add +bytes, +samples, and +1 to the stats
- * because at this point in the callback chain, the stats
- * have not been updated. Only after we return and control
- * gets back to write_frame_() are the stats updated
- */
- encoder->private_->progress_callback(encoder, encoder->private_->bytes_written+bytes, encoder->private_->samples_written+samples, encoder->private_->frames_written+(samples?1:0), encoder->private_->total_frames_estimate, encoder->private_->client_data);
- }
- return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
- }
- else
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
-}
-
-/*
- * This will forcibly set stdout to binary mode (for OSes that require it)
- */
-FILE *get_binary_stdout_(void)
-{
- /* if something breaks here it is probably due to the presence or
- * absence of an underscore before the identifiers 'setmode',
- * 'fileno', and/or 'O_BINARY'; check your system header files.
- */
-#if defined _MSC_VER || defined __MINGW32__
- _setmode(_fileno(stdout), _O_BINARY);
-#elif defined __CYGWIN__
- /* almost certainly not needed for any modern Cygwin, but let's be safe... */
- setmode(_fileno(stdout), _O_BINARY);
-#elif defined __EMX__
- setmode(fileno(stdout), O_BINARY);
-#endif
-
- return stdout;
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/stream_encoder_framing.c b/deps/flac-1.3.2/src/libFLAC/stream_encoder_framing.c
deleted file mode 100644
index 0929cd7..0000000
--- a/deps/flac-1.3.2/src/libFLAC/stream_encoder_framing.c
+++ /dev/null
@@ -1,554 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h> /* for strlen() */
-#include "private/stream_encoder_framing.h"
-#include "private/crc.h"
-#include "FLAC/assert.h"
-#include "share/compat.h"
-
-static FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method);
-static FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const unsigned residual_samples, const unsigned predictor_order, const unsigned rice_parameters[], const unsigned raw_bits[], const unsigned partition_order, const FLAC__bool is_extended);
-
-FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw)
-{
- unsigned i, j;
- const unsigned vendor_string_length = (unsigned)strlen(FLAC__VENDOR_STRING);
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->is_last, FLAC__STREAM_METADATA_IS_LAST_LEN))
- return false;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->type, FLAC__STREAM_METADATA_TYPE_LEN))
- return false;
-
- /*
- * First, for VORBIS_COMMENTs, adjust the length to reflect our vendor string
- */
- i = metadata->length;
- if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
- FLAC__ASSERT(metadata->data.vorbis_comment.vendor_string.length == 0 || 0 != metadata->data.vorbis_comment.vendor_string.entry);
- i -= metadata->data.vorbis_comment.vendor_string.length;
- i += vendor_string_length;
- }
- FLAC__ASSERT(i < (1u << FLAC__STREAM_METADATA_LENGTH_LEN));
- /* double protection */
- if(i >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, i, FLAC__STREAM_METADATA_LENGTH_LEN))
- return false;
-
- switch(metadata->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- FLAC__ASSERT(metadata->data.stream_info.min_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN))
- return false;
- FLAC__ASSERT(metadata->data.stream_info.max_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN))
- return false;
- FLAC__ASSERT(metadata->data.stream_info.min_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_framesize, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN))
- return false;
- FLAC__ASSERT(metadata->data.stream_info.max_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_framesize, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN))
- return false;
- FLAC__ASSERT(FLAC__format_sample_rate_is_valid(metadata->data.stream_info.sample_rate));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.sample_rate, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN))
- return false;
- FLAC__ASSERT(metadata->data.stream_info.channels > 0);
- FLAC__ASSERT(metadata->data.stream_info.channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.channels-1, FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN))
- return false;
- FLAC__ASSERT(metadata->data.stream_info.bits_per_sample > 0);
- FLAC__ASSERT(metadata->data.stream_info.bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.bits_per_sample-1, FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN))
- return false;
- FLAC__ASSERT(metadata->data.stream_info.total_samples < (FLAC__U64L(1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN));
- if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.stream_info.md5sum, 16))
- return false;
- break;
- case FLAC__METADATA_TYPE_PADDING:
- if(!FLAC__bitwriter_write_zeroes(bw, metadata->length * 8))
- return false;
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.data, metadata->length - (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)))
- return false;
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- for(i = 0; i < metadata->data.seek_table.num_points; i++) {
- if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].sample_number, FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].stream_offset, FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.seek_table.points[i].frame_samples, FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN))
- return false;
- }
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, vendor_string_length))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)FLAC__VENDOR_STRING, vendor_string_length))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.num_comments))
- return false;
- for(i = 0; i < metadata->data.vorbis_comment.num_comments; i++) {
- if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.comments[i].length))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.vorbis_comment.comments[i].entry, metadata->data.vorbis_comment.comments[i].length))
- return false;
- }
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
- if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.cue_sheet.media_catalog_number, FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN/8))
- return false;
- if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.cue_sheet.lead_in, FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.is_cd? 1 : 0, FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN))
- return false;
- if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.num_tracks, FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN))
- return false;
- for(i = 0; i < metadata->data.cue_sheet.num_tracks; i++) {
- const FLAC__StreamMetadata_CueSheet_Track *track = metadata->data.cue_sheet.tracks + i;
-
- if(!FLAC__bitwriter_write_raw_uint64(bw, track->offset, FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, track->number, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN))
- return false;
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
- if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)track->isrc, FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN/8))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, track->type, FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, track->pre_emphasis, FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN))
- return false;
- if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, track->num_indices, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN))
- return false;
- for(j = 0; j < track->num_indices; j++) {
- const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + j;
-
- if(!FLAC__bitwriter_write_raw_uint64(bw, indx->offset, FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, indx->number, FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN))
- return false;
- if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN))
- return false;
- }
- }
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- {
- size_t len;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.type, FLAC__STREAM_METADATA_PICTURE_TYPE_LEN))
- return false;
- len = strlen(metadata->data.picture.mime_type);
- if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.picture.mime_type, len))
- return false;
- len = strlen((const char *)metadata->data.picture.description);
- if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.description, len))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.width, FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.height, FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.depth, FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.colors, FLAC__STREAM_METADATA_PICTURE_COLORS_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.data_length, FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN))
- return false;
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.data, metadata->data.picture.data_length))
- return false;
- }
- break;
- default:
- if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.unknown.data, metadata->length))
- return false;
- break;
- }
-
- FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw));
- return true;
-}
-
-FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw)
-{
- unsigned u, blocksize_hint, sample_rate_hint;
- FLAC__byte crc;
-
- FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw));
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__FRAME_HEADER_SYNC, FLAC__FRAME_HEADER_SYNC_LEN))
- return false;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_RESERVED_LEN))
- return false;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, (header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER)? 0 : 1, FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN))
- return false;
-
- FLAC__ASSERT(header->blocksize > 0 && header->blocksize <= FLAC__MAX_BLOCK_SIZE);
- /* when this assertion holds true, any legal blocksize can be expressed in the frame header */
- FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535u);
- blocksize_hint = 0;
- switch(header->blocksize) {
- case 192: u = 1; break;
- case 576: u = 2; break;
- case 1152: u = 3; break;
- case 2304: u = 4; break;
- case 4608: u = 5; break;
- case 256: u = 8; break;
- case 512: u = 9; break;
- case 1024: u = 10; break;
- case 2048: u = 11; break;
- case 4096: u = 12; break;
- case 8192: u = 13; break;
- case 16384: u = 14; break;
- case 32768: u = 15; break;
- default:
- if(header->blocksize <= 0x100)
- blocksize_hint = u = 6;
- else
- blocksize_hint = u = 7;
- break;
- }
- if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BLOCK_SIZE_LEN))
- return false;
-
- FLAC__ASSERT(FLAC__format_sample_rate_is_valid(header->sample_rate));
- sample_rate_hint = 0;
- switch(header->sample_rate) {
- case 88200: u = 1; break;
- case 176400: u = 2; break;
- case 192000: u = 3; break;
- case 8000: u = 4; break;
- case 16000: u = 5; break;
- case 22050: u = 6; break;
- case 24000: u = 7; break;
- case 32000: u = 8; break;
- case 44100: u = 9; break;
- case 48000: u = 10; break;
- case 96000: u = 11; break;
- default:
- if(header->sample_rate <= 255000 && header->sample_rate % 1000 == 0)
- sample_rate_hint = u = 12;
- else if(header->sample_rate % 10 == 0)
- sample_rate_hint = u = 14;
- else if(header->sample_rate <= 0xffff)
- sample_rate_hint = u = 13;
- else
- u = 0;
- break;
- }
- if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_SAMPLE_RATE_LEN))
- return false;
-
- FLAC__ASSERT(header->channels > 0 && header->channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN) && header->channels <= FLAC__MAX_CHANNELS);
- switch(header->channel_assignment) {
- case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
- u = header->channels - 1;
- break;
- case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
- FLAC__ASSERT(header->channels == 2);
- u = 8;
- break;
- case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
- FLAC__ASSERT(header->channels == 2);
- u = 9;
- break;
- case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
- FLAC__ASSERT(header->channels == 2);
- u = 10;
- break;
- default:
- FLAC__ASSERT(0);
- }
- if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN))
- return false;
-
- FLAC__ASSERT(header->bits_per_sample > 0 && header->bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
- switch(header->bits_per_sample) {
- case 8 : u = 1; break;
- case 12: u = 2; break;
- case 16: u = 4; break;
- case 20: u = 5; break;
- case 24: u = 6; break;
- default: u = 0; break;
- }
- if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN))
- return false;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_ZERO_PAD_LEN))
- return false;
-
- if(header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER) {
- if(!FLAC__bitwriter_write_utf8_uint32(bw, header->number.frame_number))
- return false;
- }
- else {
- if(!FLAC__bitwriter_write_utf8_uint64(bw, header->number.sample_number))
- return false;
- }
-
- if(blocksize_hint)
- if(!FLAC__bitwriter_write_raw_uint32(bw, header->blocksize-1, (blocksize_hint==6)? 8:16))
- return false;
-
- switch(sample_rate_hint) {
- case 12:
- if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 1000, 8))
- return false;
- break;
- case 13:
- if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate, 16))
- return false;
- break;
- case 14:
- if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 10, 16))
- return false;
- break;
- }
-
- /* write the CRC */
- if(!FLAC__bitwriter_get_write_crc8(bw, &crc))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, crc, FLAC__FRAME_HEADER_CRC_LEN))
- return false;
-
- return true;
-}
-
-FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
-{
- FLAC__bool ok;
-
- ok =
- FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN) &&
- (wasted_bits? FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1) : true) &&
- FLAC__bitwriter_write_raw_int32(bw, subframe->value, subframe_bps)
- ;
-
- return ok;
-}
-
-FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
-{
- unsigned i;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK | (subframe->order<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
- return false;
- if(wasted_bits)
- if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
- return false;
-
- for(i = 0; i < subframe->order; i++)
- if(!FLAC__bitwriter_write_raw_int32(bw, subframe->warmup[i], subframe_bps))
- return false;
-
- if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method))
- return false;
- switch(subframe->entropy_coding_method.type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!add_residual_partitioned_rice_(
- bw,
- subframe->residual,
- residual_samples,
- subframe->order,
- subframe->entropy_coding_method.data.partitioned_rice.contents->parameters,
- subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits,
- subframe->entropy_coding_method.data.partitioned_rice.order,
- /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2
- ))
- return false;
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- return true;
-}
-
-FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
-{
- unsigned i;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK | ((subframe->order-1)<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
- return false;
- if(wasted_bits)
- if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
- return false;
-
- for(i = 0; i < subframe->order; i++)
- if(!FLAC__bitwriter_write_raw_int32(bw, subframe->warmup[i], subframe_bps))
- return false;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, subframe->qlp_coeff_precision-1, FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN))
- return false;
- if(!FLAC__bitwriter_write_raw_int32(bw, subframe->quantization_level, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN))
- return false;
- for(i = 0; i < subframe->order; i++)
- if(!FLAC__bitwriter_write_raw_int32(bw, subframe->qlp_coeff[i], subframe->qlp_coeff_precision))
- return false;
-
- if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method))
- return false;
- switch(subframe->entropy_coding_method.type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!add_residual_partitioned_rice_(
- bw,
- subframe->residual,
- residual_samples,
- subframe->order,
- subframe->entropy_coding_method.data.partitioned_rice.contents->parameters,
- subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits,
- subframe->entropy_coding_method.data.partitioned_rice.order,
- /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2
- ))
- return false;
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- return true;
-}
-
-FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, unsigned samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
-{
- unsigned i;
- const FLAC__int32 *signal = subframe->data;
-
- if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
- return false;
- if(wasted_bits)
- if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
- return false;
-
- for(i = 0; i < samples; i++)
- if(!FLAC__bitwriter_write_raw_int32(bw, signal[i], subframe_bps))
- return false;
-
- return true;
-}
-
-FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method)
-{
- if(!FLAC__bitwriter_write_raw_uint32(bw, method->type, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN))
- return false;
- switch(method->type) {
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
- case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
- if(!FLAC__bitwriter_write_raw_uint32(bw, method->data.partitioned_rice.order, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
- return false;
- break;
- default:
- FLAC__ASSERT(0);
- }
- return true;
-}
-
-FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const unsigned residual_samples, const unsigned predictor_order, const unsigned rice_parameters[], const unsigned raw_bits[], const unsigned partition_order, const FLAC__bool is_extended)
-{
- const unsigned plen = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN;
- const unsigned pesc = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
-
- if(partition_order == 0) {
- unsigned i;
-
- if(raw_bits[0] == 0) {
- if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[0], plen))
- return false;
- if(!FLAC__bitwriter_write_rice_signed_block(bw, residual, residual_samples, rice_parameters[0]))
- return false;
- }
- else {
- FLAC__ASSERT(rice_parameters[0] == 0);
- if(!FLAC__bitwriter_write_raw_uint32(bw, pesc, plen))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[0], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
- return false;
- for(i = 0; i < residual_samples; i++) {
- if(!FLAC__bitwriter_write_raw_int32(bw, residual[i], raw_bits[0]))
- return false;
- }
- }
- return true;
- }
- else {
- unsigned i, j, k = 0, k_last = 0;
- unsigned partition_samples;
- const unsigned default_partition_samples = (residual_samples+predictor_order) >> partition_order;
- for(i = 0; i < (1u<<partition_order); i++) {
- partition_samples = default_partition_samples;
- if(i == 0)
- partition_samples -= predictor_order;
- k += partition_samples;
- if(raw_bits[i] == 0) {
- if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[i], plen))
- return false;
- if(!FLAC__bitwriter_write_rice_signed_block(bw, residual+k_last, k-k_last, rice_parameters[i]))
- return false;
- }
- else {
- if(!FLAC__bitwriter_write_raw_uint32(bw, pesc, plen))
- return false;
- if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[i], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
- return false;
- for(j = k_last; j < k; j++) {
- if(!FLAC__bitwriter_write_raw_int32(bw, residual[j], raw_bits[i]))
- return false;
- }
- }
- k_last = k;
- }
- return true;
- }
-}
diff --git a/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_avx2.c b/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_avx2.c
deleted file mode 100644
index a94a02b..0000000
--- a/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_avx2.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/stream_encoder.h"
-#include "private/bitmath.h"
-#ifdef FLAC__AVX2_SUPPORTED
-
-#include <stdlib.h> /* for abs() */
-#include <immintrin.h> /* AVX2 */
-#include "FLAC/assert.h"
-
-FLAC__SSE_TARGET("avx2")
-void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps)
-{
- const unsigned default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
- unsigned partitions = 1u << max_partition_order;
-
- FLAC__ASSERT(default_partition_samples > predictor_order);
-
- /* first do max_partition_order */
- {
- const unsigned threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
- unsigned partition, residual_sample, end = (unsigned)(-(int)predictor_order);
-
- if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- __m256i sum256 = _mm256_setzero_si256();
- __m128i sum128;
- end += default_partition_samples;
-
- for( ; (int)residual_sample < (int)end-7; residual_sample+=8) {
- __m256i res256 = _mm256_abs_epi32(_mm256_loadu_si256((const __m256i*)(residual+residual_sample)));
- sum256 = _mm256_add_epi32(sum256, res256);
- }
-
- sum128 = _mm_add_epi32(_mm256_extracti128_si256(sum256, 1), _mm256_castsi256_si128(sum256));
-
- for( ; (int)residual_sample < (int)end-3; residual_sample+=4) {
- __m128i res128 = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
- sum128 = _mm_add_epi32(sum128, res128);
- }
-
- for( ; residual_sample < end; residual_sample++) {
- __m128i res128 = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- sum128 = _mm_add_epi32(sum128, res128);
- }
-
- sum128 = _mm_hadd_epi32(sum128, sum128);
- sum128 = _mm_hadd_epi32(sum128, sum128);
- abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(sum128);
-/* workaround for a bug in MSVC2015U2 - see https://connect.microsoft.com/VisualStudio/feedback/details/2659191/incorrect-code-generation-for-x86-64 */
-#if (defined _MSC_VER) && (_MSC_FULL_VER == 190023918) && (defined FLAC__CPU_X86_64)
- abs_residual_partition_sums[partition] &= 0xFFFFFFFF; /**/
-#endif
- }
- }
- else { /* have to pessimistically use 64 bits for accumulator */
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- __m256i sum256 = _mm256_setzero_si256();
- __m128i sum128;
- end += default_partition_samples;
-
- for( ; (int)residual_sample < (int)end-3; residual_sample+=4) {
- __m128i res128 = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
- __m256i res256 = _mm256_cvtepu32_epi64(res128);
- sum256 = _mm256_add_epi64(sum256, res256);
- }
-
- sum128 = _mm_add_epi64(_mm256_extracti128_si256(sum256, 1), _mm256_castsi256_si128(sum256));
-
- for( ; (int)residual_sample < (int)end-1; residual_sample+=2) {
- __m128i res128 = _mm_abs_epi32(_mm_loadl_epi64((const __m128i*)(residual+residual_sample)));
- res128 = _mm_cvtepu32_epi64(res128);
- sum128 = _mm_add_epi64(sum128, res128);
- }
-
- for( ; residual_sample < end; residual_sample++) {
- __m128i res128 = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- sum128 = _mm_add_epi64(sum128, res128);
- }
-
- sum128 = _mm_add_epi64(sum128, _mm_srli_si128(sum128, 8));
- _mm_storel_epi64((__m128i*)(abs_residual_partition_sums+partition), sum128);
- }
- }
- }
-
- /* now merge partitions for lower orders */
- {
- unsigned from_partition = 0, to_partition = partitions;
- int partition_order;
- for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
- unsigned i;
- partitions >>= 1;
- for(i = 0; i < partitions; i++) {
- abs_residual_partition_sums[to_partition++] =
- abs_residual_partition_sums[from_partition ] +
- abs_residual_partition_sums[from_partition+1];
- from_partition += 2;
- }
- }
- }
- _mm256_zeroupper();
-}
-
-#endif /* FLAC__AVX2_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
diff --git a/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_sse2.c b/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_sse2.c
deleted file mode 100644
index 0f1d7aa..0000000
--- a/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_sse2.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/stream_encoder.h"
-#include "private/bitmath.h"
-#ifdef FLAC__SSE2_SUPPORTED
-
-#include <stdlib.h> /* for abs() */
-#include <emmintrin.h> /* SSE2 */
-#include "FLAC/assert.h"
-#include "share/compat.h"
-
-FLAC__SSE_TARGET("sse2")
-static inline __m128i local_abs_epi32(__m128i val)
-{
- __m128i mask = _mm_srai_epi32(val, 31);
- val = _mm_xor_si128(val, mask);
- val = _mm_sub_epi32(val, mask);
- return val;
-}
-
-
-FLAC__SSE_TARGET("sse2")
-void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps)
-{
- const unsigned default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
- unsigned partitions = 1u << max_partition_order;
-
- FLAC__ASSERT(default_partition_samples > predictor_order);
-
- /* first do max_partition_order */
- {
- const unsigned threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
- unsigned partition, residual_sample, end = (unsigned)(-(int)predictor_order);
-
- if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- __m128i mm_sum = _mm_setzero_si128();
- unsigned e1, e3;
- end += default_partition_samples;
-
- e1 = (residual_sample + 3) & ~3; e3 = end & ~3;
- if(e1 > end)
- e1 = end; /* try flac -l 1 -b 16 and you'll be here */
-
- /* assumption: residual[] is properly aligned so (residual + e1) is properly aligned too and _mm_loadu_si128() is fast */
- for( ; residual_sample < e1; residual_sample++) {
- __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- mm_sum = _mm_add_epi32(mm_sum, mm_res);
- }
-
- for( ; residual_sample < e3; residual_sample+=4) {
- __m128i mm_res = local_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
- mm_sum = _mm_add_epi32(mm_sum, mm_res);
- }
-
- for( ; residual_sample < end; residual_sample++) {
- __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- mm_sum = _mm_add_epi32(mm_sum, mm_res);
- }
-
- mm_sum = _mm_add_epi32(mm_sum, _mm_srli_si128(mm_sum, 8));
- mm_sum = _mm_add_epi32(mm_sum, _mm_srli_si128(mm_sum, 4));
- abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(mm_sum);
-/* workaround for a bug in MSVC2015U2 - see https://connect.microsoft.com/VisualStudio/feedback/details/2659191/incorrect-code-generation-for-x86-64 */
-#if (defined _MSC_VER) && (_MSC_FULL_VER == 190023918) && (defined FLAC__CPU_X86_64)
- abs_residual_partition_sums[partition] &= 0xFFFFFFFF;
-#endif
- }
- }
- else { /* have to pessimistically use 64 bits for accumulator */
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- __m128i mm_sum = _mm_setzero_si128();
- unsigned e1, e3;
- end += default_partition_samples;
-
- e1 = (residual_sample + 1) & ~1; e3 = end & ~1;
- FLAC__ASSERT(e1 <= end);
-
- for( ; residual_sample < e1; residual_sample++) {
- __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); /* 0 0 0 |r0| == 00 |r0_64| */
- mm_sum = _mm_add_epi64(mm_sum, mm_res);
- }
-
- for( ; residual_sample < e3; residual_sample+=2) {
- __m128i mm_res = local_abs_epi32(_mm_loadl_epi64((const __m128i*)(residual+residual_sample))); /* 0 0 |r1| |r0| */
- mm_res = _mm_shuffle_epi32(mm_res, _MM_SHUFFLE(3,1,2,0)); /* 0 |r1| 0 |r0| == |r1_64| |r0_64| */
- mm_sum = _mm_add_epi64(mm_sum, mm_res);
- }
-
- for( ; residual_sample < end; residual_sample++) {
- __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- mm_sum = _mm_add_epi64(mm_sum, mm_res);
- }
-
- mm_sum = _mm_add_epi64(mm_sum, _mm_srli_si128(mm_sum, 8));
- _mm_storel_epi64((__m128i*)(abs_residual_partition_sums+partition), mm_sum);
- }
- }
- }
-
- /* now merge partitions for lower orders */
- {
- unsigned from_partition = 0, to_partition = partitions;
- int partition_order;
- for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
- unsigned i;
- partitions >>= 1;
- for(i = 0; i < partitions; i++) {
- abs_residual_partition_sums[to_partition++] =
- abs_residual_partition_sums[from_partition ] +
- abs_residual_partition_sums[from_partition+1];
- from_partition += 2;
- }
- }
- }
-}
-
-#endif /* FLAC__SSE2_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
diff --git a/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_ssse3.c b/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_ssse3.c
deleted file mode 100644
index 21a08fc..0000000
--- a/deps/flac-1.3.2/src/libFLAC/stream_encoder_intrin_ssse3.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-
-#ifndef FLAC__NO_ASM
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-#include "private/stream_encoder.h"
-#include "private/bitmath.h"
-#ifdef FLAC__SSSE3_SUPPORTED
-
-#include <stdlib.h> /* for abs() */
-#include <tmmintrin.h> /* SSSE3 */
-#include "FLAC/assert.h"
-
-FLAC__SSE_TARGET("ssse3")
-void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[],
- unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, unsigned max_partition_order, unsigned bps)
-{
- const unsigned default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
- unsigned partitions = 1u << max_partition_order;
-
- FLAC__ASSERT(default_partition_samples > predictor_order);
-
- /* first do max_partition_order */
- {
- const unsigned threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples);
- unsigned partition, residual_sample, end = (unsigned)(-(int)predictor_order);
-
- if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) {
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- __m128i mm_sum = _mm_setzero_si128();
- unsigned e1, e3;
- end += default_partition_samples;
-
- e1 = (residual_sample + 3) & ~3; e3 = end & ~3;
- if(e1 > end)
- e1 = end; /* try flac -l 1 -b 16 and you'll be here */
-
- /* assumption: residual[] is properly aligned so (residual + e1) is properly aligned too and _mm_loadu_si128() is fast */
- for( ; residual_sample < e1; residual_sample++) {
- __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- mm_sum = _mm_add_epi32(mm_sum, mm_res);
- }
-
- for( ; residual_sample < e3; residual_sample+=4) {
- __m128i mm_res = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(residual+residual_sample)));
- mm_sum = _mm_add_epi32(mm_sum, mm_res);
- }
-
- for( ; residual_sample < end; residual_sample++) {
- __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- mm_sum = _mm_add_epi32(mm_sum, mm_res);
- }
-
- mm_sum = _mm_hadd_epi32(mm_sum, mm_sum);
- mm_sum = _mm_hadd_epi32(mm_sum, mm_sum);
- abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(mm_sum);
-/* workaround for a bug in MSVC2015U2 - see https://connect.microsoft.com/VisualStudio/feedback/details/2659191/incorrect-code-generation-for-x86-64 */
-#if (defined _MSC_VER) && (_MSC_FULL_VER == 190023918) && (defined FLAC__CPU_X86_64)
- abs_residual_partition_sums[partition] &= 0xFFFFFFFF;
-#endif
- }
- }
- else { /* have to pessimistically use 64 bits for accumulator */
- for(partition = residual_sample = 0; partition < partitions; partition++) {
- __m128i mm_sum = _mm_setzero_si128();
- unsigned e1, e3;
- end += default_partition_samples;
-
- e1 = (residual_sample + 1) & ~1; e3 = end & ~1;
- FLAC__ASSERT(e1 <= end);
-
- for( ; residual_sample < e1; residual_sample++) {
- __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); /* 0 0 0 |r0| == 00 |r0_64| */
- mm_sum = _mm_add_epi64(mm_sum, mm_res);
- }
-
- for( ; residual_sample < e3; residual_sample+=2) {
- __m128i mm_res = _mm_abs_epi32(_mm_loadl_epi64((const __m128i*)(residual+residual_sample))); /* 0 0 |r1| |r0| */
- mm_res = _mm_shuffle_epi32(mm_res, _MM_SHUFFLE(3,1,2,0)); /* 0 |r1| 0 |r0| == |r1_64| |r0_64| */
- mm_sum = _mm_add_epi64(mm_sum, mm_res);
- }
-
- for( ; residual_sample < end; residual_sample++) {
- __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample]));
- mm_sum = _mm_add_epi64(mm_sum, mm_res);
- }
-
- mm_sum = _mm_add_epi64(mm_sum, _mm_srli_si128(mm_sum, 8));
- _mm_storel_epi64((__m128i*)(abs_residual_partition_sums+partition), mm_sum);
- }
- }
- }
-
- /* now merge partitions for lower orders */
- {
- unsigned from_partition = 0, to_partition = partitions;
- int partition_order;
- for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
- unsigned i;
- partitions >>= 1;
- for(i = 0; i < partitions; i++) {
- abs_residual_partition_sums[to_partition++] =
- abs_residual_partition_sums[from_partition ] +
- abs_residual_partition_sums[from_partition+1];
- from_partition += 2;
- }
- }
- }
-}
-
-#endif /* FLAC__SSSE3_SUPPORTED */
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
-#endif /* FLAC__NO_ASM */
diff --git a/deps/flac-1.3.2/src/libFLAC/window.c b/deps/flac-1.3.2/src/libFLAC/window.c
deleted file mode 100644
index e977fd8..0000000
--- a/deps/flac-1.3.2/src/libFLAC/window.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2006-2009 Josh Coalson
- * Copyright (C) 2011-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <math.h>
-#include "share/compat.h"
-#include "FLAC/assert.h"
-#include "FLAC/format.h"
-#include "private/window.h"
-
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-
-
-void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- if (L & 1) {
- for (n = 0; n <= N/2; n++)
- window[n] = 2.0f * n / (float)N;
- for (; n <= N; n++)
- window[n] = 2.0f - 2.0f * n / (float)N;
- }
- else {
- for (n = 0; n <= L/2-1; n++)
- window[n] = 2.0f * n / (float)N;
- for (; n <= N; n++)
- window[n] = 2.0f - 2.0f * n / (float)N;
- }
-}
-
-void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(0.62f - 0.48f * fabs((float)n/(float)N-0.5f) - 0.38f * cos(2.0f * M_PI * ((float)n/(float)N)));
-}
-
-void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(0.42f - 0.5f * cos(2.0f * M_PI * n / N) + 0.08f * cos(4.0f * M_PI * n / N));
-}
-
-/* 4-term -92dB side-lobe */
-void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n <= N; n++)
- window[n] = (FLAC__real)(0.35875f - 0.48829f * cos(2.0f * M_PI * n / N) + 0.14128f * cos(4.0f * M_PI * n / N) - 0.01168f * cos(6.0f * M_PI * n / N));
-}
-
-void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- const double N2 = (double)N / 2.;
- FLAC__int32 n;
-
- for (n = 0; n <= N; n++) {
- double k = ((double)n - N2) / N2;
- k = 1.0f - k * k;
- window[n] = (FLAC__real)(k * k);
- }
-}
-
-void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(1.0f - 1.93f * cos(2.0f * M_PI * n / N) + 1.29f * cos(4.0f * M_PI * n / N) - 0.388f * cos(6.0f * M_PI * n / N) + 0.0322f * cos(8.0f * M_PI * n / N));
-}
-
-void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev)
-{
- const FLAC__int32 N = L - 1;
- const double N2 = (double)N / 2.;
- FLAC__int32 n;
-
- for (n = 0; n <= N; n++) {
- const double k = ((double)n - N2) / (stddev * N2);
- window[n] = (FLAC__real)exp(-0.5f * k * k);
- }
-}
-
-void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(0.54f - 0.46f * cos(2.0f * M_PI * n / N));
-}
-
-void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(2.0f * M_PI * n / N));
-}
-
-void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(0.402f - 0.498f * cos(2.0f * M_PI * n / N) + 0.098f * cos(4.0f * M_PI * n / N) - 0.001f * cos(6.0f * M_PI * n / N));
-}
-
-void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = (FLAC__real)(0.3635819f - 0.4891775f*cos(2.0f*M_PI*n/N) + 0.1365995f*cos(4.0f*M_PI*n/N) - 0.0106411f*cos(6.0f*M_PI*n/N));
-}
-
-void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L)
-{
- FLAC__int32 n;
-
- for (n = 0; n < L; n++)
- window[n] = 1.0f;
-}
-
-void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L)
-{
- FLAC__int32 n;
-
- if (L & 1) {
- for (n = 1; n <= (L+1)/2; n++)
- window[n-1] = 2.0f * n / ((float)L + 1.0f);
- for (; n <= L; n++)
- window[n-1] = (float)(2 * (L - n + 1)) / ((float)L + 1.0f);
- }
- else {
- for (n = 1; n <= L/2; n++)
- window[n-1] = 2.0f * n / ((float)L + 1.0f);
- for (; n <= L; n++)
- window[n-1] = (float)(2 * (L - n + 1)) / ((float)L + 1.0f);
- }
-}
-
-void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p)
-{
- if (p <= 0.0)
- FLAC__window_rectangle(window, L);
- else if (p >= 1.0)
- FLAC__window_hann(window, L);
- else {
- const FLAC__int32 Np = (FLAC__int32)(p / 2.0f * L) - 1;
- FLAC__int32 n;
- /* start with rectangle... */
- FLAC__window_rectangle(window, L);
- /* ...replace ends with hann */
- if (Np > 0) {
- for (n = 0; n <= Np; n++) {
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * n / Np));
- window[L-Np-1+n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * (n+Np) / Np));
- }
- }
- }
-}
-
-void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end)
-{
- const FLAC__int32 start_n = (FLAC__int32)(start * L);
- const FLAC__int32 end_n = (FLAC__int32)(end * L);
- const FLAC__int32 N = end_n - start_n;
- FLAC__int32 Np, n, i;
-
- if (p <= 0.0f)
- FLAC__window_partial_tukey(window, L, 0.05f, start, end);
- else if (p >= 1.0f)
- FLAC__window_partial_tukey(window, L, 0.95f, start, end);
- else {
-
- Np = (FLAC__int32)(p / 2.0f * N);
-
- for (n = 0; n < start_n && n < L; n++)
- window[n] = 0.0f;
- for (i = 1; n < (start_n+Np) && n < L; n++, i++)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Np));
- for (; n < (end_n-Np) && n < L; n++)
- window[n] = 1.0f;
- for (i = Np; n < end_n && n < L; n++, i--)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Np));
- for (; n < L; n++)
- window[n] = 0.0f;
- }
-}
-
-void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end)
-{
- const FLAC__int32 start_n = (FLAC__int32)(start * L);
- const FLAC__int32 end_n = (FLAC__int32)(end * L);
- FLAC__int32 Ns, Ne, n, i;
-
- if (p <= 0.0f)
- FLAC__window_punchout_tukey(window, L, 0.05f, start, end);
- else if (p >= 1.0f)
- FLAC__window_punchout_tukey(window, L, 0.95f, start, end);
- else {
-
- Ns = (FLAC__int32)(p / 2.0f * start_n);
- Ne = (FLAC__int32)(p / 2.0f * (L - end_n));
-
- for (n = 0, i = 1; n < Ns && n < L; n++, i++)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ns));
- for (; n < start_n-Ns && n < L; n++)
- window[n] = 1.0f;
- for (i = Ns; n < start_n && n < L; n++, i--)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ns));
- for (; n < end_n && n < L; n++)
- window[n] = 0.0f;
- for (i = 1; n < end_n+Ne && n < L; n++, i++)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ne));
- for (; n < L - (Ne) && n < L; n++)
- window[n] = 1.0f;
- for (i = Ne; n < L; n++, i--)
- window[n] = (FLAC__real)(0.5f - 0.5f * cos(M_PI * i / Ne));
- }
-}
-
-void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L)
-{
- const FLAC__int32 N = L - 1;
- const double N2 = (double)N / 2.;
- FLAC__int32 n;
-
- for (n = 0; n <= N; n++) {
- const double k = ((double)n - N2) / N2;
- window[n] = (FLAC__real)(1.0f - k * k);
- }
-}
-
-#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
diff --git a/deps/flac-1.3.2/src/libFLAC/windows_unicode_filenames.c b/deps/flac-1.3.2/src/libFLAC/windows_unicode_filenames.c
deleted file mode 100644
index 2e9a136..0000000
--- a/deps/flac-1.3.2/src/libFLAC/windows_unicode_filenames.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2013-2016 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <io.h>
-#include "share/windows_unicode_filenames.h"
-
-/* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */
-static wchar_t *wchar_from_utf8(const char *str)
-{
- wchar_t *widestr;
- int len;
-
- if (!str)
- return NULL;
- if ((len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0)) == 0)
- return NULL;
- if ((widestr = (wchar_t *)malloc(len*sizeof(wchar_t))) == NULL)
- return NULL;
- if (MultiByteToWideChar(CP_UTF8, 0, str, -1, widestr, len) == 0) {
- free(widestr);
- widestr = NULL;
- }
-
- return widestr;
-}
-
-
-static FLAC__bool utf8_filenames = false;
-
-
-void flac_internal_set_utf8_filenames(FLAC__bool flag)
-{
- utf8_filenames = flag ? true : false;
-}
-
-FLAC__bool flac_internal_get_utf8_filenames(void)
-{
- return utf8_filenames;
-}
-
-/* file functions */
-
-FILE* flac_internal_fopen_utf8(const char *filename, const char *mode)
-{
- if (!utf8_filenames) {
- return fopen(filename, mode);
- } else {
- wchar_t *wname = NULL;
- wchar_t *wmode = NULL;
- FILE *f = NULL;
-
- do {
- if (!(wname = wchar_from_utf8(filename))) break;
- if (!(wmode = wchar_from_utf8(mode))) break;
- f = _wfopen(wname, wmode);
- } while(0);
-
- free(wname);
- free(wmode);
-
- return f;
- }
-}
-
-int flac_internal_stat64_utf8(const char *path, struct __stat64 *buffer)
-{
- if (!utf8_filenames) {
- return _stat64(path, buffer);
- } else {
- wchar_t *wpath;
- int ret;
-
- if (!(wpath = wchar_from_utf8(path))) return -1;
- ret = _wstat64(wpath, buffer);
- free(wpath);
-
- return ret;
- }
-}
-
-int flac_internal_chmod_utf8(const char *filename, int pmode)
-{
- if (!utf8_filenames) {
- return _chmod(filename, pmode);
- } else {
- wchar_t *wname;
- int ret;
-
- if (!(wname = wchar_from_utf8(filename))) return -1;
- ret = _wchmod(wname, pmode);
- free(wname);
-
- return ret;
- }
-}
-
-int flac_internal_utime_utf8(const char *filename, struct utimbuf *times)
-{
- if (!utf8_filenames) {
- return utime(filename, times);
- } else {
- wchar_t *wname;
- struct __utimbuf64 ut;
- int ret;
-
- if (!(wname = wchar_from_utf8(filename))) return -1;
- ut.actime = times->actime;
- ut.modtime = times->modtime;
- ret = _wutime64(wname, &ut);
- free(wname);
-
- return ret;
- }
-}
-
-int flac_internal_unlink_utf8(const char *filename)
-{
- if (!utf8_filenames) {
- return _unlink(filename);
- } else {
- wchar_t *wname;
- int ret;
-
- if (!(wname = wchar_from_utf8(filename))) return -1;
- ret = _wunlink(wname);
- free(wname);
-
- return ret;
- }
-}
-
-int flac_internal_rename_utf8(const char *oldname, const char *newname)
-{
- if (!utf8_filenames) {
- return rename(oldname, newname);
- } else {
- wchar_t *wold = NULL;
- wchar_t *wnew = NULL;
- int ret = -1;
-
- do {
- if (!(wold = wchar_from_utf8(oldname))) break;
- if (!(wnew = wchar_from_utf8(newname))) break;
- ret = _wrename(wold, wnew);
- } while(0);
-
- free(wold);
- free(wnew);
-
- return ret;
- }
-}
-
-HANDLE WINAPI flac_internal_CreateFile_utf8(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
-{
-#if _MSC_VER > 1900 && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
- wchar_t *wname;
- HANDLE handle = INVALID_HANDLE_VALUE;
-
- if ((wname = wchar_from_utf8(lpFileName)) != NULL) {
-
- handle = CreateFile2(wname, dwDesiredAccess, dwShareMode, CREATE_ALWAYS, NULL);
- free(wname);
- }
-
- return handle;
-#else
- if (!utf8_filenames) {
- return CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
- } else {
- wchar_t *wname;
- HANDLE handle = INVALID_HANDLE_VALUE;
-
- if ((wname = wchar_from_utf8(lpFileName)) != NULL) {
- handle = CreateFileW(wname, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
- free(wname);
- }
-
- return handle;
- }
-#endif
-}