diff options
Diffstat (limited to 'deps/flac-1.3.2/src/libFLAC')
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. 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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 -# 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. 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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. 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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. 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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__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" ; 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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"?>
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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_(©, 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÷ 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 -} |