Merge pull request #506 from jdgleaver/libchdr-update

Update libchdr (replace libflac with dr_flac)

11 files changed, 0 insertions, 2763 deletions

diff --git a/deps/flac-1.3.2/src/share/grabbag/Makefile.lite b/deps/flac-1.3.2/src/share/grabbag/Makefile.lite
deleted file mode 100644
index 6c8ff6c..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/Makefile.lite
+++ /dev/null
@@ -1,30 +0,0 @@
-#  grabbag - Convenience lib for various routines common to several tools
-
-#
-# GNU makefile
-#
-
-topdir = ../../..
-libdir = $(topdir)/objs/$(BUILD)/lib
-
-ifeq ($(OS),Darwin)
-    EXPLICIT_LIBS = $(libdir)/libFLAC.a $(libdir)/libreplaygain_analysis.a $(OGG_EXPLICIT_LIBS) -lm
-else
-    LIBS = -lFLAC -lreplaygain_analysis $(OGG_LIBS) -lm
-endif
-
-LIB_NAME = libgrabbag
-INCLUDES = -I$(topdir)/include
-
-SRCS_C = \
-	alloc.c \
-	cuesheet.c \
-	file.c \
-	picture.c \
-	replaygain.c \
-	seektable.c \
-	snprintf.c
-
-include $(topdir)/build/lib.mk
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/deps/flac-1.3.2/src/share/grabbag/alloc.c b/deps/flac-1.3.2/src/share/grabbag/alloc.c
deleted file mode 100644
index 82a77b1..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/alloc.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/* alloc - Convenience routines for safely allocating memory
- * Copyright (C) 2007-2009  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 "share/alloc.h"
-
-void *safe_malloc_mul_2op_(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/share/grabbag/cuesheet.c b/deps/flac-1.3.2/src/share/grabbag/cuesheet.c
deleted file mode 100644
index 78473d8..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/cuesheet.c
+++ /dev/null
@@ -1,656 +0,0 @@
-/* grabbag - Convenience lib for various routines common to several tools
- * Copyright (C) 2002-2009  Josh Coalson
- * Copyright (C) 2011-2016  Xiph.Org Foundation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "FLAC/assert.h"
-#include "share/compat.h"
-#include "share/grabbag.h"
-#include "share/safe_str.h"
-
-unsigned grabbag__cuesheet_msf_to_frame(unsigned minutes, unsigned seconds, unsigned frames)
-{
-	return ((minutes * 60) + seconds) * 75 + frames;
-}
-
-void grabbag__cuesheet_frame_to_msf(unsigned frame, unsigned *minutes, unsigned *seconds, unsigned *frames)
-{
-	*frames = frame % 75;
-	frame /= 75;
-	*seconds = frame % 60;
-	frame /= 60;
-	*minutes = frame;
-}
-
-/* since we only care about values >= 0 or error, returns < 0 for any illegal string, else value */
-static int local__parse_int_(const char *s)
-{
-	int ret = 0;
-	char c;
-
-	if(*s == '\0')
-		return -1;
-
-	while('\0' != (c = *s++))
-		if(c >= '0' && c <= '9')
-			ret = ret * 10 + (c - '0');
-		else
-			return -1;
-
-	return ret;
-}
-
-/* since we only care about values >= 0 or error, returns < 0 for any illegal string, else value */
-static FLAC__int64 local__parse_int64_(const char *s)
-{
-	FLAC__int64 ret = 0;
-	char c;
-
-	if(*s == '\0')
-		return -1;
-
-	while('\0' != (c = *s++))
-		if(c >= '0' && c <= '9')
-			ret = ret * 10 + (c - '0');
-		else
-			return -1;
-
-	return ret;
-}
-
-/* accept minute:second:frame syntax of '[0-9]+:[0-9][0-9]?:[0-9][0-9]?', but max second of 59 and max frame of 74, e.g. 0:0:0, 123:45:67
- * return sample number or <0 for error
- * WATCHOUT: if sample rate is not evenly divisible by 75, the resulting sample number will be approximate
- */
-static FLAC__int64 local__parse_msf_(const char *s, unsigned sample_rate)
-{
-	FLAC__int64 ret, field;
-	char c;
-
-	c = *s++;
-	if(c >= '0' && c <= '9')
-		field = (c - '0');
-	else
-		return -1;
-	while(':' != (c = *s++)) {
-		if(c >= '0' && c <= '9')
-			field = field * 10 + (c - '0');
-		else
-			return -1;
-	}
-
-	ret = field * 60 * sample_rate;
-
-	c = *s++;
-	if(c >= '0' && c <= '9')
-		field = (c - '0');
-	else
-		return -1;
-	if(':' != (c = *s++)) {
-		if(c >= '0' && c <= '9') {
-			field = field * 10 + (c - '0');
-			c = *s++;
-			if(c != ':')
-				return -1;
-		}
-		else
-			return -1;
-	}
-
-	if(field >= 60)
-		return -1;
-
-	ret += field * sample_rate;
-
-	c = *s++;
-	if(c >= '0' && c <= '9')
-		field = (c - '0');
-	else
-		return -1;
-	if('\0' != (c = *s++)) {
-		if(c >= '0' && c <= '9') {
-			field = field * 10 + (c - '0');
-			c = *s++;
-		}
-		else
-			return -1;
-	}
-
-	if(c != '\0')
-		return -1;
-
-	if(field >= 75)
-		return -1;
-
-	ret += field * (sample_rate / 75);
-
-	return ret;
-}
-
-/* accept minute:second syntax of '[0-9]+:[0-9][0-9]?{,.[0-9]+}', but second < 60, e.g. 0:0.0, 3:5, 15:31.731
- * return sample number or <0 for error
- * WATCHOUT: depending on the sample rate, the resulting sample number may be approximate with fractional seconds
- */
-static FLAC__int64 local__parse_ms_(const char *s, unsigned sample_rate)
-{
-	FLAC__int64 ret, field;
-	double x;
-	char c, *end;
-
-	c = *s++;
-	if(c >= '0' && c <= '9')
-		field = (c - '0');
-	else
-		return -1;
-	while(':' != (c = *s++)) {
-		if(c >= '0' && c <= '9')
-			field = field * 10 + (c - '0');
-		else
-			return -1;
-	}
-
-	ret = field * 60 * sample_rate;
-
-	s++; /* skip the ':' */
-	if(strspn(s, "0123456789.") != strlen(s))
-		return -1;
-	x = strtod(s, &end);
-	if(*end || end == s)
-		return -1;
-	if(x < 0.0 || x >= 60.0)
-		return -1;
-
-	ret += (FLAC__int64)(x * sample_rate);
-
-	return ret;
-}
-
-static char *local__get_field_(char **s, FLAC__bool allow_quotes)
-{
-	FLAC__bool has_quote = false;
-	char *p;
-
-	FLAC__ASSERT(0 != s);
-
-	if(0 == *s)
-		return 0;
-
-	/* skip leading whitespace */
-	while(**s && 0 != strchr(" \t\r\n", **s))
-		(*s)++;
-
-	if(**s == 0) {
-		*s = 0;
-		return 0;
-	}
-
-	if(allow_quotes && (**s == '"')) {
-		has_quote = true;
-		(*s)++;
-		if(**s == 0) {
-			*s = 0;
-			return 0;
-		}
-	}
-
-	p = *s;
-
-	if(has_quote) {
-		*s = strchr(*s, '\"');
-		/* if there is no matching end quote, it's an error */
-		if(0 == *s)
-			p = *s = 0;
-		else {
-			**s = '\0';
-			(*s)++;
-		}
-	}
-	else {
-		while(**s && 0 == strchr(" \t\r\n", **s))
-			(*s)++;
-		if(**s) {
-			**s = '\0';
-			(*s)++;
-		}
-		else
-			*s = 0;
-	}
-
-	return p;
-}
-
-static FLAC__bool local__cuesheet_parse_(FILE *file, const char **error_message, unsigned *last_line_read, FLAC__StreamMetadata *cuesheet, unsigned sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset)
-{
-	char buffer[4096], *line, *field;
-	unsigned forced_leadout_track_num = 0;
-	FLAC__uint64 forced_leadout_track_offset = 0;
-	int in_track_num = -1, in_index_num = -1;
-	FLAC__bool disc_has_catalog = false, track_has_flags = false, track_has_isrc = false, has_forced_leadout = false;
-	FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
-
-	FLAC__ASSERT(!is_cdda || sample_rate == 44100);
-	/* double protection */
-	if(is_cdda && sample_rate != 44100) {
-		*error_message = "CD-DA cuesheet only allowed with 44.1kHz sample rate";
-		return false;
-	}
-
-	cs->lead_in = is_cdda? 2 * 44100 /* The default lead-in size for CD-DA */ : 0;
-	cs->is_cd = is_cdda;
-
-	while(0 != fgets(buffer, sizeof(buffer), file)) {
-		(*last_line_read)++;
-		line = buffer;
-
-		{
-			size_t linelen = strlen(line);
-			if((linelen == sizeof(buffer)-1) && line[linelen-1] != '\n') {
-				*error_message = "line too long";
-				return false;
-			}
-		}
-
-		if(0 != (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-			if(0 == FLAC__STRCASECMP(field, "CATALOG")) {
-				if(disc_has_catalog) {
-					*error_message = "found multiple CATALOG commands";
-					return false;
-				}
-				if(0 == (field = local__get_field_(&line, /*allow_quotes=*/true))) {
-					*error_message = "CATALOG is missing catalog number";
-					return false;
-				}
-				if(strlen(field) >= sizeof(cs->media_catalog_number)) {
-					*error_message = "CATALOG number is too long";
-					return false;
-				}
-				if(is_cdda && (strlen(field) != 13 || strspn(field, "0123456789") != 13)) {
-					*error_message = "CD-DA CATALOG number must be 13 decimal digits";
-					return false;
-				}
-				safe_strncpy(cs->media_catalog_number, field, sizeof(cs->media_catalog_number));
-				disc_has_catalog = true;
-			}
-			else if(0 == FLAC__STRCASECMP(field, "FLAGS")) {
-				if(track_has_flags) {
-					*error_message = "found multiple FLAGS commands";
-					return false;
-				}
-				if(in_track_num < 0 || in_index_num >= 0) {
-					*error_message = "FLAGS command must come after TRACK but before INDEX";
-					return false;
-				}
-				while(0 != (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-					if(0 == FLAC__STRCASECMP(field, "PRE"))
-						cs->tracks[cs->num_tracks-1].pre_emphasis = 1;
-				}
-				track_has_flags = true;
-			}
-			else if(0 == FLAC__STRCASECMP(field, "INDEX")) {
-				FLAC__int64 xx;
-				FLAC__StreamMetadata_CueSheet_Track *track = &cs->tracks[cs->num_tracks-1];
-				if(in_track_num < 0) {
-					*error_message = "found INDEX before any TRACK";
-					return false;
-				}
-				if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-					*error_message = "INDEX is missing index number";
-					return false;
-				}
-				in_index_num = local__parse_int_(field);
-				if(in_index_num < 0) {
-					*error_message = "INDEX has invalid index number";
-					return false;
-				}
-				FLAC__ASSERT(cs->num_tracks > 0);
-				if(track->num_indices == 0) {
-					/* it's the first index point of the track */
-					if(in_index_num > 1) {
-						*error_message = "first INDEX number of a TRACK must be 0 or 1";
-						return false;
-					}
-				}
-				else {
-					if(in_index_num != track->indices[track->num_indices-1].number + 1) {
-						*error_message = "INDEX numbers must be sequential";
-						return false;
-					}
-				}
-				if(is_cdda && in_index_num > 99) {
-					*error_message = "CD-DA INDEX number must be between 0 and 99, inclusive";
-					return false;
-				}
-				/*@@@ search for duplicate track number? */
-				if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-					*error_message = "INDEX is missing an offset after the index number";
-					return false;
-				}
-				/* first parse as minute:second:frame format */
-				xx = local__parse_msf_(field, sample_rate);
-				if(xx < 0) {
-					/* CD-DA must use only MM:SS:FF format */
-					if(is_cdda) {
-						*error_message = "illegal INDEX offset (not of the form MM:SS:FF)";
-						return false;
-					}
-					/* as an extension for non-CD-DA we allow MM:SS.SS or raw sample number */
-					xx = local__parse_ms_(field, sample_rate);
-					if(xx < 0) {
-						xx = local__parse_int64_(field);
-						if(xx < 0) {
-							*error_message = "illegal INDEX offset";
-							return false;
-						}
-					}
-				}
-				else if(sample_rate % 75 && xx) {
-                                        /* only sample zero is exact */
-					*error_message = "illegal INDEX offset (MM:SS:FF form not allowed if sample rate is not a multiple of 75)";
-					return false;
-				}
-				if(is_cdda && cs->num_tracks == 1 && cs->tracks[0].num_indices == 0 && xx != 0) {
-					*error_message = "first INDEX of first TRACK must have an offset of 00:00:00";
-					return false;
-				}
-				if(is_cdda && track->num_indices > 0 && (FLAC__uint64)xx <= track->indices[track->num_indices-1].offset) {
-					*error_message = "CD-DA INDEX offsets must increase in time";
-					return false;
-				}
-				/* fill in track offset if it's the first index of the track */
-				if(track->num_indices == 0)
-					track->offset = (FLAC__uint64)xx;
-				if(is_cdda && cs->num_tracks > 1) {
-					const FLAC__StreamMetadata_CueSheet_Track *prev = &cs->tracks[cs->num_tracks-2];
-					if((FLAC__uint64)xx <= prev->offset + prev->indices[prev->num_indices-1].offset) {
-						*error_message = "CD-DA INDEX offsets must increase in time";
-						return false;
-					}
-				}
-				if(!FLAC__metadata_object_cuesheet_track_insert_blank_index(cuesheet, cs->num_tracks-1, track->num_indices)) {
-					*error_message = "memory allocation error";
-					return false;
-				}
-				track->indices[track->num_indices-1].offset = (FLAC__uint64)xx - track->offset;
-				track->indices[track->num_indices-1].number = in_index_num;
-			}
-			else if(0 == FLAC__STRCASECMP(field, "ISRC")) {
-				char *l, *r;
-				if(track_has_isrc) {
-					*error_message = "found multiple ISRC commands";
-					return false;
-				}
-				if(in_track_num < 0 || in_index_num >= 0) {
-					*error_message = "ISRC command must come after TRACK but before INDEX";
-					return false;
-				}
-				if(0 == (field = local__get_field_(&line, /*allow_quotes=*/true))) {
-					*error_message = "ISRC is missing ISRC number";
-					return false;
-				}
-				/* strip out dashes */
-				for(l = r = field; *r; r++) {
-					if(*r != '-')
-						*l++ = *r;
-				}
-				*l = '\0';
-				if(strlen(field) != 12 || strspn(field, "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") < 5 || strspn(field+5, "1234567890") != 7) {
-					*error_message = "invalid ISRC number";
-					return false;
-				}
-				safe_strncpy(cs->tracks[cs->num_tracks-1].isrc, field, sizeof(cs->tracks[cs->num_tracks-1].isrc));
-				track_has_isrc = true;
-			}
-			else if(0 == FLAC__STRCASECMP(field, "TRACK")) {
-				if(cs->num_tracks > 0) {
-					const FLAC__StreamMetadata_CueSheet_Track *prev = &cs->tracks[cs->num_tracks-1];
-					if(
-						prev->num_indices == 0 ||
-						(
-						 	is_cdda &&
-							(
-								(prev->num_indices == 1 && prev->indices[0].number != 1) ||
-								(prev->num_indices == 2 && prev->indices[0].number != 1 && prev->indices[1].number != 1)
-							)
-						)
-					) {
-						*error_message = is_cdda?
-							"previous TRACK must specify at least one INDEX 01" :
-							"previous TRACK must specify at least one INDEX";
-						return false;
-					}
-				}
-				if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-					*error_message = "TRACK is missing track number";
-					return false;
-				}
-				in_track_num = local__parse_int_(field);
-				if(in_track_num < 0) {
-					*error_message = "TRACK has invalid track number";
-					return false;
-				}
-				if(in_track_num == 0) {
-					*error_message = "TRACK number must be greater than 0";
-					return false;
-				}
-				if(is_cdda) {
-					if(in_track_num > 99) {
-						*error_message = "CD-DA TRACK number must be between 1 and 99, inclusive";
-						return false;
-					}
-				}
-				else {
-					if(in_track_num == 255) {
-						*error_message = "TRACK number 255 is reserved for the lead-out";
-						return false;
-					}
-					else if(in_track_num > 255) {
-						*error_message = "TRACK number must be between 1 and 254, inclusive";
-						return false;
-					}
-				}
-				if(is_cdda && cs->num_tracks > 0 && in_track_num != cs->tracks[cs->num_tracks-1].number + 1) {
-					*error_message = "CD-DA TRACK numbers must be sequential";
-					return false;
-				}
-				/*@@@ search for duplicate track number? */
-				if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-					*error_message = "TRACK is missing a track type after the track number";
-					return false;
-				}
-				if(!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, cs->num_tracks)) {
-					*error_message = "memory allocation error";
-					return false;
-				}
-				cs->tracks[cs->num_tracks-1].number = in_track_num;
-				cs->tracks[cs->num_tracks-1].type = (0 == FLAC__STRCASECMP(field, "AUDIO"))? 0 : 1; /*@@@ should we be more strict with the value here? */
-				in_index_num = -1;
-				track_has_flags = false;
-				track_has_isrc = false;
-			}
-			else if(0 == FLAC__STRCASECMP(field, "REM")) {
-				if(0 != (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-					if(0 == strcmp(field, "FLAC__lead-in")) {
-						FLAC__int64 xx;
-						if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-							*error_message = "FLAC__lead-in is missing offset";
-							return false;
-						}
-						xx = local__parse_int64_(field);
-						if(xx < 0) {
-							*error_message = "illegal FLAC__lead-in offset";
-							return false;
-						}
-						if(is_cdda && xx % 588 != 0) {
-							*error_message = "illegal CD-DA FLAC__lead-in offset, must be even multiple of 588 samples";
-							return false;
-						}
-						cs->lead_in = (FLAC__uint64)xx;
-					}
-					else if(0 == strcmp(field, "FLAC__lead-out")) {
-						int track_num;
-						FLAC__int64 offset;
-						if(has_forced_leadout) {
-							*error_message = "multiple FLAC__lead-out commands";
-							return false;
-						}
-						if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-							*error_message = "FLAC__lead-out is missing track number";
-							return false;
-						}
-						track_num = local__parse_int_(field);
-						if(track_num < 0) {
-							*error_message = "illegal FLAC__lead-out track number";
-							return false;
-						}
-						forced_leadout_track_num = (unsigned)track_num;
-						/*@@@ search for duplicate track number? */
-						if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) {
-							*error_message = "FLAC__lead-out is missing offset";
-							return false;
-						}
-						offset = local__parse_int64_(field);
-						if(offset < 0) {
-							*error_message = "illegal FLAC__lead-out offset";
-							return false;
-						}
-						forced_leadout_track_offset = (FLAC__uint64)offset;
-						if(forced_leadout_track_offset != lead_out_offset) {
-							*error_message = "FLAC__lead-out offset does not match end-of-stream offset";
-							return false;
-						}
-						has_forced_leadout = true;
-					}
-				}
-			}
-		}
-	}
-
-	if(cs->num_tracks == 0) {
-		*error_message = "there must be at least one TRACK command";
-		return false;
-	}
-	else {
-		const FLAC__StreamMetadata_CueSheet_Track *prev = &cs->tracks[cs->num_tracks-1];
-		if(
-			prev->num_indices == 0 ||
-			(
-				is_cdda &&
-				(
-					(prev->num_indices == 1 && prev->indices[0].number != 1) ||
-					(prev->num_indices == 2 && prev->indices[0].number != 1 && prev->indices[1].number != 1)
-				)
-			)
-		) {
-			*error_message = is_cdda?
-				"previous TRACK must specify at least one INDEX 01" :
-				"previous TRACK must specify at least one INDEX";
-			return false;
-		}
-	}
-
-	if(!has_forced_leadout) {
-		forced_leadout_track_num = is_cdda? 170 : 255;
-		forced_leadout_track_offset = lead_out_offset;
-	}
-	if(!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, cs->num_tracks)) {
-		*error_message = "memory allocation error";
-		return false;
-	}
-	cs->tracks[cs->num_tracks-1].number = forced_leadout_track_num;
-	cs->tracks[cs->num_tracks-1].offset = forced_leadout_track_offset;
-
-	if(!feof(file)) {
-		*error_message = "read error";
-		return false;
-	}
-	return true;
-}
-
-FLAC__StreamMetadata *grabbag__cuesheet_parse(FILE *file, const char **error_message, unsigned *last_line_read, unsigned sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset)
-{
-	FLAC__StreamMetadata *cuesheet;
-
-	FLAC__ASSERT(0 != file);
-	FLAC__ASSERT(0 != error_message);
-	FLAC__ASSERT(0 != last_line_read);
-
-	*last_line_read = 0;
-	cuesheet = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET);
-
-	if(0 == cuesheet) {
-		*error_message = "memory allocation error";
-		return 0;
-	}
-
-	if(!local__cuesheet_parse_(file, error_message, last_line_read, cuesheet, sample_rate, is_cdda, lead_out_offset)) {
-		FLAC__metadata_object_delete(cuesheet);
-		return 0;
-	}
-
-	return cuesheet;
-}
-
-void grabbag__cuesheet_emit(FILE *file, const FLAC__StreamMetadata *cuesheet, const char *file_reference)
-{
-	const FLAC__StreamMetadata_CueSheet *cs;
-	unsigned track_num, index_num;
-
-	FLAC__ASSERT(0 != file);
-	FLAC__ASSERT(0 != cuesheet);
-	FLAC__ASSERT(cuesheet->type == FLAC__METADATA_TYPE_CUESHEET);
-
-	cs = &cuesheet->data.cue_sheet;
-
-	if(*(cs->media_catalog_number))
-		fprintf(file, "CATALOG %s\n", cs->media_catalog_number);
-	fprintf(file, "FILE %s\n", file_reference);
-
-	for(track_num = 0; track_num < cs->num_tracks-1; track_num++) {
-		const FLAC__StreamMetadata_CueSheet_Track *track = cs->tracks + track_num;
-
-		fprintf(file, "  TRACK %02u %s\n", (unsigned)track->number, track->type == 0? "AUDIO" : "DATA");
-
-		if(track->pre_emphasis)
-			fprintf(file, "    FLAGS PRE\n");
-		if(*(track->isrc))
-			fprintf(file, "    ISRC %s\n", track->isrc);
-
-		for(index_num = 0; index_num < track->num_indices; index_num++) {
-			const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + index_num;
-
-			fprintf(file, "    INDEX %02u ", (unsigned)indx->number);
-			if(cs->is_cd) {
-				const unsigned logical_frame = (unsigned)((track->offset + indx->offset) / (44100 / 75));
-				unsigned m, s, f;
-				grabbag__cuesheet_frame_to_msf(logical_frame, &m, &s, &f);
-				fprintf(file, "%02u:%02u:%02u\n", m, s, f);
-			}
-			else
-				fprintf(file, "%" PRIu64 "\n", (track->offset + indx->offset));
-		}
-	}
-
-	fprintf(file, "REM FLAC__lead-in %" PRIu64 "\n", cs->lead_in);
-	fprintf(file, "REM FLAC__lead-out %u %" PRIu64 "\n", (unsigned)cs->tracks[track_num].number, cs->tracks[track_num].offset);
-}
diff --git a/deps/flac-1.3.2/src/share/grabbag/file.c b/deps/flac-1.3.2/src/share/grabbag/file.c
deleted file mode 100644
index 0329bce..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/file.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/* grabbag - Convenience lib for various routines common to several tools
- * Copyright (C) 2002-2009  Josh Coalson
- * Copyright (C) 2011-2016  Xiph.Org Foundation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#if defined _MSC_VER || defined __MINGW32__
-#include <sys/utime.h> /* for utime() */
-#include <io.h> /* for chmod(), _setmode(), unlink() */
-#include <fcntl.h> /* for _O_BINARY */
-#else
-#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
-#include <utime.h> /* for utime() */
-#endif
-#if defined __CYGWIN__ || defined __EMX__
-#include <io.h> /* for setmode(), O_BINARY */
-#include <fcntl.h> /* for _O_BINARY */
-#endif
-#include <sys/stat.h> /* for stat(), maybe chmod() */
-#if defined _WIN32 && !defined __CYGWIN__
-#else
-#include <unistd.h> /* for unlink() */
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h> /* for strrchr() */
-#if defined _WIN32 && !defined __CYGWIN__
-// for GetFileInformationByHandle() etc
-#include <windows.h>
-#include <winbase.h>
-#endif
-#include "share/grabbag.h"
-
-
-void grabbag__file_copy_metadata(const char *srcpath, const char *destpath)
-{
-	struct flac_stat_s srcstat;
-	struct utimbuf srctime;
-
-	if(0 == flac_stat(srcpath, &srcstat)) {
-		srctime.actime = srcstat.st_atime;
-		srctime.modtime = srcstat.st_mtime;
-		(void)flac_chmod(destpath, srcstat.st_mode);
-#if !defined _3DS
-		(void)flac_utime(destpath, &srctime);
-#endif
-	}
-}
-
-FLAC__off_t grabbag__file_get_filesize(const char *srcpath)
-{
-	struct flac_stat_s srcstat;
-
-	if(0 == flac_stat(srcpath, &srcstat))
-		return srcstat.st_size;
-	else
-		return -1;
-}
-
-const char *grabbag__file_get_basename(const char *srcpath)
-{
-	const char *p;
-
-	p = strrchr(srcpath, '/');
-	if(0 == p) {
-		p = strrchr(srcpath, '\\');
-		if(0 == p)
-			return srcpath;
-	}
-	return ++p;
-}
-
-FLAC__bool grabbag__file_change_stats(const char *filename, FLAC__bool read_only)
-{
-	struct flac_stat_s stats;
-
-	if(0 == flac_stat(filename, &stats)) {
-#if !defined _MSC_VER && !defined __MINGW32__
-		if(read_only) {
-			stats.st_mode &= ~S_IWUSR;
-			stats.st_mode &= ~S_IWGRP;
-			stats.st_mode &= ~S_IWOTH;
-		}
-		else {
-			stats.st_mode |= S_IWUSR;
-		}
-#else
-		if(read_only)
-			stats.st_mode &= ~S_IWRITE;
-		else
-			stats.st_mode |= S_IWRITE;
-#endif
-		if(0 != flac_chmod(filename, stats.st_mode))
-			return false;
-	}
-	else
-		return false;
-
-	return true;
-}
-
-FLAC__bool grabbag__file_are_same(const char *f1, const char *f2)
-{
-#if defined _MSC_VER || defined __MINGW32__
-	/* see
-	 * http://www.hydrogenaudio.org/forums/index.php?showtopic=49439&pid=444300&st=0
-	 *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/getfileinformationbyhandle.asp
-	 *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/by_handle_file_information_str.asp
-	 *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/createfile.asp
-	 * apparently both the files have to be open at the same time for the comparison to work
-	 */
-	FLAC__bool same = false;
-	BY_HANDLE_FILE_INFORMATION info1, info2;
-	HANDLE h1, h2;
-	BOOL ok = 1;
-	h1 = CreateFile_utf8(f1, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-	h2 = CreateFile_utf8(f2, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-	if(h1 == INVALID_HANDLE_VALUE || h2 == INVALID_HANDLE_VALUE)
-		ok = 0;
-	ok &= GetFileInformationByHandle(h1, &info1);
-	ok &= GetFileInformationByHandle(h2, &info2);
-	if(ok)
-		same =
-			info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber &&
-			info1.nFileIndexHigh == info2.nFileIndexHigh &&
-			info1.nFileIndexLow == info2.nFileIndexLow
-		;
-	if(h1 != INVALID_HANDLE_VALUE)
-		CloseHandle(h1);
-	if(h2 != INVALID_HANDLE_VALUE)
-		CloseHandle(h2);
-	return same;
-#else
-	struct flac_stat_s s1, s2;
-	return f1 && f2 && flac_stat(f1, &s1) == 0 && flac_stat(f2, &s2) == 0 && s1.st_ino == s2.st_ino && s1.st_dev == s2.st_dev;
-#endif
-}
-
-FLAC__bool grabbag__file_remove_file(const char *filename)
-{
-	return grabbag__file_change_stats(filename, /*read_only=*/false) && 0 == flac_unlink(filename);
-}
-
-FILE *grabbag__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;
-}
-
-FILE *grabbag__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/share/grabbag/grabbag_static.vcproj b/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcproj
deleted file mode 100644
index bb70706..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcproj
+++ /dev/null
@@ -1,228 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>

-<VisualStudioProject

-	ProjectType="Visual C++"

-	Version="8.00"

-	Name="grabbag_static"

-	ProjectGUID="{4cefbc81-c215-11db-8314-0800200c9a66}"

-	RootNamespace="grabbag_static"

-	Keyword="Win32Proj"

-	>

-	<Platforms>

-		<Platform

-			Name="Win32"

-		/>

-	</Platforms>

-	<ToolFiles>

-	</ToolFiles>

-	<Configurations>

-		<Configuration

-			Name="Debug|Win32"

-			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"

-			IntermediateDirectory="$(ConfigurationName)"

-			ConfigurationType="4"

-			>

-			<Tool

-				Name="VCPreBuildEventTool"

-			/>

-			<Tool

-				Name="VCCustomBuildTool"

-			/>

-			<Tool

-				Name="VCXMLDataGeneratorTool"

-			/>

-			<Tool

-				Name="VCWebServiceProxyGeneratorTool"

-			/>

-			<Tool

-				Name="VCMIDLTool"

-			/>

-			<Tool

-				Name="VCCLCompilerTool"

-				Optimization="0"

-				AdditionalIncludeDirectories=".\include;..\..\..\include"

-				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;FLAC__NO_DLL;DEBUG"

-				MinimalRebuild="true"

-				BasicRuntimeChecks="3"

-				RuntimeLibrary="1"

-				UsePrecompiledHeader="0"

-				WarningLevel="3"

-				Detect64BitPortabilityProblems="true"

-				DebugInformationFormat="4"

-				CompileAs="0"

-				DisableSpecificWarnings="4267;4996"

-			/>

-			<Tool

-				Name="VCManagedResourceCompilerTool"

-			/>

-			<Tool

-				Name="VCResourceCompilerTool"

-			/>

-			<Tool

-				Name="VCPreLinkEventTool"

-			/>

-			<Tool

-				Name="VCLibrarianTool"

-			/>

-			<Tool

-				Name="VCALinkTool"

-			/>

-			<Tool

-				Name="VCXDCMakeTool"

-			/>

-			<Tool

-				Name="VCBscMakeTool"

-			/>

-			<Tool

-				Name="VCFxCopTool"

-			/>

-			<Tool

-				Name="VCPostBuildEventTool"

-			/>

-		</Configuration>

-		<Configuration

-			Name="Release|Win32"

-			OutputDirectory="$(SolutionDir)objs\$(ConfigurationName)\lib"

-			IntermediateDirectory="$(ConfigurationName)"

-			ConfigurationType="4"

-			WholeProgramOptimization="1"

-			>

-			<Tool

-				Name="VCPreBuildEventTool"

-			/>

-			<Tool

-				Name="VCCustomBuildTool"

-			/>

-			<Tool

-				Name="VCXMLDataGeneratorTool"

-			/>

-			<Tool

-				Name="VCWebServiceProxyGeneratorTool"

-			/>

-			<Tool

-				Name="VCMIDLTool"

-			/>

-			<Tool

-				Name="VCCLCompilerTool"

-				EnableIntrinsicFunctions="true"

-				FavorSizeOrSpeed="1"

-				OmitFramePointers="true"

-				WholeProgramOptimization="true"

-				AdditionalIncludeDirectories=".\include;..\..\..\include"

-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;FLAC__NO_DLL"

-				RuntimeLibrary="0"

-				BufferSecurityCheck="false"

-				UsePrecompiledHeader="0"

-				WarningLevel="3"

-				Detect64BitPortabilityProblems="true"

-				DebugInformationFormat="3"

-				CompileAs="0"

-				DisableSpecificWarnings="4267;4996"

-			/>

-			<Tool

-				Name="VCManagedResourceCompilerTool"

-			/>

-			<Tool

-				Name="VCResourceCompilerTool"

-			/>

-			<Tool

-				Name="VCPreLinkEventTool"

-			/>

-			<Tool

-				Name="VCLibrarianTool"

-			/>

-			<Tool

-				Name="VCALinkTool"

-			/>

-			<Tool

-				Name="VCXDCMakeTool"

-			/>

-			<Tool

-				Name="VCBscMakeTool"

-			/>

-			<Tool

-				Name="VCFxCopTool"

-			/>

-			<Tool

-				Name="VCPostBuildEventTool"

-			/>

-		</Configuration>

-	</Configurations>

-	<References>

-	</References>

-	<Files>

-		<Filter

-			Name="Header Files"

-			Filter="h;hpp;hxx;hm;inl;inc;xsd"

-			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"

-			>

-		</Filter>

-		<Filter

-			Name="Source Files"

-			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"

-			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"

-			>

-			<File

-				RelativePath=".\alloc.c"

-				>

-			</File>

-			<File

-				RelativePath=".\cuesheet.c"

-				>

-			</File>

-			<File

-				RelativePath=".\file.c"

-				>

-			</File>

-			<File

-				RelativePath=".\picture.c"

-				>

-			</File>

-			<File

-				RelativePath=".\replaygain.c"

-				>

-			</File>

-			<File

-				RelativePath=".\seektable.c"

-				>

-			</File>

-			<File

-				RelativePath=".\snprintf.c"

-				>

-			</File>

-		</Filter>

-		<Filter

-			Name="Public Header Files"

-			>

-			<File

-				RelativePath="..\..\..\include\share\grabbag.h"

-				>

-			</File>

-			<Filter

-				Name="grabbag"

-				>

-				<File

-					RelativePath="..\..\..\include\share\grabbag\cuesheet.h"

-					>

-				</File>

-				<File

-					RelativePath="..\..\..\include\share\grabbag\file.h"

-					>

-				</File>

-				<File

-					RelativePath="..\..\..\include\share\grabbag\picture.h"

-					>

-				</File>

-				<File

-					RelativePath="..\..\..\include\share\grabbag\replaygain.h"

-					>

-				</File>

-				<File

-					RelativePath="..\..\..\include\share\grabbag\seektable.h"

-					>

-				</File>

-			</Filter>

-		</Filter>

-	</Files>

-	<Globals>

-	</Globals>

-</VisualStudioProject>

diff --git a/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcxproj b/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcxproj
deleted file mode 100644
index 8e7b6fd..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcxproj
+++ /dev/null
@@ -1,161 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>

-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

-  <ItemGroup Label="ProjectConfigurations">

-    <ProjectConfiguration Include="Debug|Win32">

-      <Configuration>Debug</Configuration>

-      <Platform>Win32</Platform>

-    </ProjectConfiguration>

-    <ProjectConfiguration Include="Debug|x64">

-      <Configuration>Debug</Configuration>

-      <Platform>x64</Platform>

-    </ProjectConfiguration>

-    <ProjectConfiguration Include="Release|Win32">

-      <Configuration>Release</Configuration>

-      <Platform>Win32</Platform>

-    </ProjectConfiguration>

-    <ProjectConfiguration Include="Release|x64">

-      <Configuration>Release</Configuration>

-      <Platform>x64</Platform>

-    </ProjectConfiguration>

-  </ItemGroup>

-  <PropertyGroup Label="Globals">

-    <ProjectGuid>{4cefbc81-c215-11db-8314-0800200c9a66}</ProjectGuid>

-    <RootNamespace>grabbag_static</RootNamespace>

-    <Keyword>Win32Proj</Keyword>

-  </PropertyGroup>

-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">

-    <ConfigurationType>StaticLibrary</ConfigurationType>

-    <WholeProgramOptimization>true</WholeProgramOptimization>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">

-    <ConfigurationType>StaticLibrary</ConfigurationType>

-    <WholeProgramOptimization>true</WholeProgramOptimization>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

-    <ConfigurationType>StaticLibrary</ConfigurationType>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">

-    <ConfigurationType>StaticLibrary</ConfigurationType>

-  </PropertyGroup>

-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />

-  <ImportGroup Label="ExtensionSettings">

-  </ImportGroup>

-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">

-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

-  </ImportGroup>

-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">

-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

-  </ImportGroup>

-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">

-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

-  </ImportGroup>

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-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

-  </ImportGroup>

-  <PropertyGroup Label="UserMacros" />

-  <PropertyGroup>

-    <_ProjectFileVersion>12.0.30501.0</_ProjectFileVersion>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">

-    <OutDir>$(SolutionDir)objs\$(Configuration)\lib\</OutDir>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

-    <OutDir>$(SolutionDir)objs\$(Platform)\$(Configuration)\lib\</OutDir>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

-    <OutDir>$(SolutionDir)objs\$(Configuration)\lib\</OutDir>

-  </PropertyGroup>

-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

-    <OutDir>$(SolutionDir)objs\$(Platform)\$(Configuration)\lib\</OutDir>

-  </PropertyGroup>

-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">

-    <ClCompile>

-      <Optimization>Disabled</Optimization>

-      <AdditionalIncludeDirectories>.\include;..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;FLAC__NO_DLL;DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <MinimalRebuild>true</MinimalRebuild>

-      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>

-      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

-      <CompileAs>Default</CompileAs>

-      <DisableSpecificWarnings>4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>

-    </ClCompile>

-  </ItemDefinitionGroup>

-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

-    <ClCompile>

-      <Optimization>Disabled</Optimization>

-      <AdditionalIncludeDirectories>.\include;..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;FLAC__NO_DLL;DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>

-      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

-      <CompileAs>Default</CompileAs>

-      <DisableSpecificWarnings>4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>

-    </ClCompile>

-  </ItemDefinitionGroup>

-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

-    <ClCompile>

-      <IntrinsicFunctions>true</IntrinsicFunctions>

-      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>

-      <OmitFramePointers>true</OmitFramePointers>

-      <WholeProgramOptimization>true</WholeProgramOptimization>

-      <AdditionalIncludeDirectories>.\include;..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;FLAC__NO_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>

-      <BufferSecurityCheck>false</BufferSecurityCheck>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

-      <CompileAs>Default</CompileAs>

-      <DisableSpecificWarnings>4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>

-    </ClCompile>

-  </ItemDefinitionGroup>

-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

-    <ClCompile>

-      <IntrinsicFunctions>true</IntrinsicFunctions>

-      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>

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-      <WholeProgramOptimization>true</WholeProgramOptimization>

-      <AdditionalIncludeDirectories>.\include;..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;FLAC__NO_DLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>

-      <BufferSecurityCheck>false</BufferSecurityCheck>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

-      <CompileAs>Default</CompileAs>

-      <DisableSpecificWarnings>4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>

-    </ClCompile>

-  </ItemDefinitionGroup>

-  <ItemGroup>

-    <ClCompile Include="alloc.c" />

-    <ClCompile Include="cuesheet.c" />

-    <ClCompile Include="file.c" />

-    <ClCompile Include="picture.c" />

-    <ClCompile Include="replaygain.c" />

-    <ClCompile Include="seektable.c" />

-    <ClCompile Include="snprintf.c" />

-  </ItemGroup>

-  <ItemGroup>

-    <ClInclude Include="..\..\..\include\share\grabbag.h" />

-    <ClInclude Include="..\..\..\include\share\grabbag\cuesheet.h" />

-    <ClInclude Include="..\..\..\include\share\grabbag\file.h" />

-    <ClInclude Include="..\..\..\include\share\grabbag\picture.h" />

-    <ClInclude Include="..\..\..\include\share\grabbag\replaygain.h" />

-    <ClInclude Include="..\..\..\include\share\grabbag\seektable.h" />

-  </ItemGroup>

-  <ItemGroup>

-    <ProjectReference Include="..\..\libFLAC\libFLAC_static.vcxproj">

-      <Project>{4cefbc84-c215-11db-8314-0800200c9a66}</Project>

-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>

-    </ProjectReference>

-    <ProjectReference Include="..\replaygain_analysis\replaygain_analysis_static.vcxproj">

-      <Project>{4cefbc89-c215-11db-8314-0800200c9a66}</Project>

-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>

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-  </ItemGroup>

-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

-  <ImportGroup Label="ExtensionTargets">

-  </ImportGroup>

-</Project>
\ No newline at end of file
diff --git a/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcxproj.filters b/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcxproj.filters
deleted file mode 100644
index 421b6d5..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/grabbag_static.vcxproj.filters
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>

-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

-  <ItemGroup>

-    <Filter Include="Header Files">

-      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>

-      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>

-    </Filter>

-    <Filter Include="Source Files">

-      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>

-      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>

-    </Filter>

-    <Filter Include="Public Header Files">

-      <UniqueIdentifier>{d4e83ff0-6406-4b76-bd64-6192e6b8e47a}</UniqueIdentifier>

-    </Filter>

-    <Filter Include="Public Header Files\grabbag">

-      <UniqueIdentifier>{82df5da8-3a2c-402e-a7cd-a88de1a7be91}</UniqueIdentifier>

-    </Filter>

-  </ItemGroup>

-  <ItemGroup>

-    <ClCompile Include="alloc.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="cuesheet.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="file.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="picture.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="replaygain.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="seektable.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="snprintf.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-  </ItemGroup>

-  <ItemGroup>

-    <ClInclude Include="..\..\..\include\share\grabbag.h">

-      <Filter>Public Header Files</Filter>

-    </ClInclude>

-    <ClInclude Include="..\..\..\include\share\grabbag\cuesheet.h">

-      <Filter>Public Header Files\grabbag</Filter>

-    </ClInclude>

-    <ClInclude Include="..\..\..\include\share\grabbag\file.h">

-      <Filter>Public Header Files\grabbag</Filter>

-    </ClInclude>

-    <ClInclude Include="..\..\..\include\share\grabbag\picture.h">

-      <Filter>Public Header Files\grabbag</Filter>

-    </ClInclude>

-    <ClInclude Include="..\..\..\include\share\grabbag\replaygain.h">

-      <Filter>Public Header Files\grabbag</Filter>

-    </ClInclude>

-    <ClInclude Include="..\..\..\include\share\grabbag\seektable.h">

-      <Filter>Public Header Files\grabbag</Filter>

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-</Project>
\ No newline at end of file
diff --git a/deps/flac-1.3.2/src/share/grabbag/picture.c b/deps/flac-1.3.2/src/share/grabbag/picture.c
deleted file mode 100644
index f63b5a9..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/picture.c
+++ /dev/null
@@ -1,508 +0,0 @@
-/* grabbag - Convenience lib for various routines common to several tools
- * Copyright (C) 2006-2009  Josh Coalson
- * Copyright (C) 2011-2016  Xiph.Org Foundation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include "share/alloc.h"
-#include "share/grabbag.h"
-#include "FLAC/assert.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "share/compat.h"
-#include "share/safe_str.h"
-
-/* slightly different that strndup(): this always copies 'size' bytes starting from s into a NUL-terminated string. */
-static char *local__strndup_(const char *s, size_t size)
-{
-	char *x = safe_malloc_add_2op_(size, /*+*/1);
-	if(x) {
-		memcpy(x, s, size);
-		x[size] = '\0';
-	}
-	return x;
-}
-
-static FLAC__bool local__parse_type_(const char *s, size_t len, FLAC__StreamMetadata_Picture *picture)
-{
-	size_t i;
-	FLAC__uint32 val = 0;
-
-	picture->type = FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER;
-
-	if(len == 0)
-		return true; /* empty string implies default to 'front cover' */
-
-	for(i = 0; i < len; i++) {
-		if(s[i] >= '0' && s[i] <= '9')
-			val = 10*val + (FLAC__uint32)(s[i] - '0');
-		else
-			return false;
-	}
-
-	if(i == len)
-		picture->type = val;
-	else
-		return false;
-
-	return true;
-}
-
-static FLAC__bool local__parse_resolution_(const char *s, size_t len, FLAC__StreamMetadata_Picture *picture)
-{
-	int state = 0;
-	size_t i;
-	FLAC__uint32 val = 0;
-
-	picture->width = picture->height = picture->depth = picture->colors = 0;
-
-	if(len == 0)
-		return true; /* empty string implies client wants to get info from the file itself */
-
-	for(i = 0; i < len; i++) {
-		if(s[i] == 'x') {
-			if(state == 0)
-				picture->width = val;
-			else if(state == 1)
-				picture->height = val;
-			else
-				return false;
-			state++;
-			val = 0;
-		}
-		else if(s[i] == '/') {
-			if(state == 2)
-				picture->depth = val;
-			else
-				return false;
-			state++;
-			val = 0;
-		}
-		else if(s[i] >= '0' && s[i] <= '9')
-			val = 10*val + (FLAC__uint32)(s[i] - '0');
-		else
-			return false;
-	}
-
-	if(state < 2)
-		return false;
-	else if(state == 2)
-		picture->depth = val;
-	else if(state == 3)
-		picture->colors = val;
-	else
-		return false;
-	if(picture->depth < 32 && 1u<<picture->depth < picture->colors)
-		return false;
-
-	return true;
-}
-
-static FLAC__bool local__extract_mime_type_(FLAC__StreamMetadata *obj)
-{
-	if(obj->data.picture.data_length >= 8 && 0 == memcmp(obj->data.picture.data, "\x89PNG\x0d\x0a\x1a\x0a", 8))
-		return FLAC__metadata_object_picture_set_mime_type(obj, "image/png", /*copy=*/true);
-	else if(obj->data.picture.data_length >= 6 && (0 == memcmp(obj->data.picture.data, "GIF87a", 6) || 0 == memcmp(obj->data.picture.data, "GIF89a", 6)))
-		return FLAC__metadata_object_picture_set_mime_type(obj, "image/gif", /*copy=*/true);
-	else if(obj->data.picture.data_length >= 2 && 0 == memcmp(obj->data.picture.data, "\xff\xd8", 2))
-		return FLAC__metadata_object_picture_set_mime_type(obj, "image/jpeg", /*copy=*/true);
-	return false;
-}
-
-static FLAC__bool local__extract_resolution_color_info_(FLAC__StreamMetadata_Picture *picture)
-{
-	const FLAC__byte *data = picture->data;
-	FLAC__uint32 len = picture->data_length;
-
-	if(0 == strcmp(picture->mime_type, "image/png")) {
-		/* c.f. http://www.w3.org/TR/PNG/ */
-		FLAC__bool need_palette = false; /* if IHDR has color_type=3, we need to also read the PLTE chunk to get the #colors */
-		if(len < 8 || memcmp(data, "\x89PNG\x0d\x0a\x1a\x0a", 8))
-			return false;
-		/* try to find IHDR chunk */
-		data += 8;
-		len -= 8;
-		while(len > 12) { /* every PNG chunk must be at least 12 bytes long */
-			const FLAC__uint32 clen = (FLAC__uint32)data[0] << 24 | (FLAC__uint32)data[1] << 16 | (FLAC__uint32)data[2] << 8 | (FLAC__uint32)data[3];
-			if(0 == memcmp(data+4, "IHDR", 4) && clen == 13) {
-				unsigned color_type = data[17];
-				picture->width = (FLAC__uint32)data[8] << 24 | (FLAC__uint32)data[9] << 16 | (FLAC__uint32)data[10] << 8 | (FLAC__uint32)data[11];
-				picture->height = (FLAC__uint32)data[12] << 24 | (FLAC__uint32)data[13] << 16 | (FLAC__uint32)data[14] << 8 | (FLAC__uint32)data[15];
-				if(color_type == 3) {
-					/* even though the bit depth for color_type==3 can be 1,2,4,or 8,
-					 * the spec in 11.2.2 of http://www.w3.org/TR/PNG/ says that the
-					 * sample depth is always 8
-					 */
-					picture->depth = 8 * 3u;
-					need_palette = true;
-					data += 12 + clen;
-					len -= 12 + clen;
-				}
-				else {
-					if(color_type == 0) /* greyscale, 1 sample per pixel */
-						picture->depth = (FLAC__uint32)data[16];
-					if(color_type == 2) /* truecolor, 3 samples per pixel */
-						picture->depth = (FLAC__uint32)data[16] * 3u;
-					if(color_type == 4) /* greyscale+alpha, 2 samples per pixel */
-						picture->depth = (FLAC__uint32)data[16] * 2u;
-					if(color_type == 6) /* truecolor+alpha, 4 samples per pixel */
-						picture->depth = (FLAC__uint32)data[16] * 4u;
-					picture->colors = 0;
-					return true;
-				}
-			}
-			else if(need_palette && 0 == memcmp(data+4, "PLTE", 4)) {
-				picture->colors = clen / 3u;
-				return true;
-			}
-			else if(clen + 12 > len)
-				return false;
-			else {
-				data += 12 + clen;
-				len -= 12 + clen;
-			}
-		}
-	}
-	else if(0 == strcmp(picture->mime_type, "image/jpeg")) {
-		/* c.f. http://www.w3.org/Graphics/JPEG/itu-t81.pdf and Q22 of http://www.faqs.org/faqs/jpeg-faq/part1/ */
-		if(len < 2 || memcmp(data, "\xff\xd8", 2))
-			return false;
-		data += 2;
-		len -= 2;
-		while(1) {
-			/* look for sync FF byte */
-			for( ; len > 0; data++, len--) {
-				if(*data == 0xff)
-					break;
-			}
-			if(len == 0)
-				return false;
-			/* eat any extra pad FF bytes before marker */
-			for( ; len > 0; data++, len--) {
-				if(*data != 0xff)
-					break;
-			}
-			if(len == 0)
-				return false;
-			/* if we hit SOS or EOI, bail */
-			if(*data == 0xda || *data == 0xd9)
-				return false;
-			/* looking for some SOFn */
-			else if(memchr("\xc0\xc1\xc2\xc3\xc5\xc6\xc7\xc9\xca\xcb\xcd\xce\xcf", *data, 13)) {
-				data++; len--; /* skip marker byte */
-				if(len < 2)
-					return false;
-				else {
-					const FLAC__uint32 clen = (FLAC__uint32)data[0] << 8 | (FLAC__uint32)data[1];
-					if(clen < 8 || len < clen)
-						return false;
-					picture->width = (FLAC__uint32)data[5] << 8 | (FLAC__uint32)data[6];
-					picture->height = (FLAC__uint32)data[3] << 8 | (FLAC__uint32)data[4];
-					picture->depth = (FLAC__uint32)data[2] * (FLAC__uint32)data[7];
-					picture->colors = 0;
-					return true;
-				}
-			}
-			/* else skip it */
-			else {
-				data++; len--; /* skip marker byte */
-				if(len < 2)
-					return false;
-				else {
-					const FLAC__uint32 clen = (FLAC__uint32)data[0] << 8 | (FLAC__uint32)data[1];
-					if(clen < 2 || len < clen)
-						return false;
-					data += clen;
-					len -= clen;
-				}
-			}
-		}
-	}
-	else if(0 == strcmp(picture->mime_type, "image/gif")) {
-		/* c.f. http://www.w3.org/Graphics/GIF/spec-gif89a.txt */
-		if(len < 14)
-			return false;
-		if(memcmp(data, "GIF87a", 6) && memcmp(data, "GIF89a", 6))
-			return false;
-#if 0
-		/* according to the GIF spec, even if the GCTF is 0, the low 3 bits should still tell the total # colors used */
-		if(data[10] & 0x80 == 0)
-			return false;
-#endif
-		picture->width = (FLAC__uint32)data[6] | ((FLAC__uint32)data[7] << 8);
-		picture->height = (FLAC__uint32)data[8] | ((FLAC__uint32)data[9] << 8);
-#if 0
-		/* this value doesn't seem to be reliable... */
-		picture->depth = (((FLAC__uint32)(data[10] & 0x70) >> 4) + 1) * 3u;
-#else
-		/* ...just pessimistically assume it's 24-bit color without scanning all the color tables */
-		picture->depth = 8u * 3u;
-#endif
-		picture->colors = 1u << ((FLAC__uint32)(data[10] & 0x07) + 1u);
-		return true;
-	}
-	return false;
-}
-
-static const char *error_messages[] = {
-	"memory allocation error",
-	"invalid picture specification",
-	"invalid picture specification: can't parse resolution/color part",
-	"unable to extract resolution and color info from URL, user must set explicitly",
-	"unable to extract resolution and color info from file, user must set explicitly",
-	"error opening picture file",
-	"error reading picture file",
-	"invalid picture type",
-	"unable to guess MIME type from file, user must set explicitly",
-	"type 1 icon must be a 32x32 pixel PNG",
-	"file not found", /* currently unused */
-	"file is too large"
-};
-
-static const char * read_file (const char * filepath, FLAC__StreamMetadata * obj)
-{
-	const FLAC__off_t size = grabbag__file_get_filesize(filepath);
-	FLAC__byte *buffer;
-	FILE *file;
-	const char *error_message=NULL;
-
-	if (size < 0)
-		return error_messages[5];
-
-	if (size >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) /* actual limit is less because of other fields in the PICTURE metadata block */
-		return error_messages[11];
-
-	if ((buffer = safe_malloc_(size)) == NULL)
-		return error_messages[0];
-
-	if ((file = flac_fopen(filepath, "rb")) == NULL) {
-		free(buffer);
-		return error_messages[5];
-	}
-
-	if (fread(buffer, 1, size, file) != (size_t) size) {
-		fclose(file);
-		free(buffer);
-		return error_messages[6];
-	}
-	fclose(file);
-
-	if (!FLAC__metadata_object_picture_set_data(obj, buffer, size, /*copy=*/false))
-		error_message = error_messages[6];
-	/* try to extract MIME type if user left it blank */
-	else if (*obj->data.picture.mime_type == '\0' && !local__extract_mime_type_(obj))
-		error_message = error_messages[8];
-	/* try to extract resolution/color info if user left it blank */
-	else if ((obj->data.picture.width == 0 || obj->data.picture.height == 0 || obj->data.picture.depth == 0) && !local__extract_resolution_color_info_(&obj->data.picture))
-		error_message = error_messages[4];
-	/* check metadata block size */
-	else if (obj->length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN))
-		error_message = error_messages[11];
-
-	return error_message;
-}
-
-FLAC__StreamMetadata *grabbag__picture_parse_specification(const char *spec, const char **error_message)
-{
-	FLAC__StreamMetadata *obj;
-	int state = 0;
-
-	FLAC__ASSERT(0 != spec);
-	FLAC__ASSERT(0 != error_message);
-
-	/* double protection */
-	if(0 == spec)
-		return 0;
-	if(0 == error_message)
-		return 0;
-
-	*error_message = 0;
-
-	if(0 == (obj = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE))) {
-		*error_message = error_messages[0];
-		return obj;
-	}
-
-	if(strchr(spec, '|')) { /* full format */
-		const char *p;
-		char *q;
-		for(p = spec; *error_message==0 && *p; ) {
-			if(*p == '|') {
-				switch(state) {
-					case 0: /* type */
-						if(!local__parse_type_(spec, p-spec, &obj->data.picture))
-							*error_message = error_messages[7];
-						break;
-					case 1: /* mime type */
-						if(p-spec) { /* if blank, we'll try to guess later from the picture data */
-							if(0 == (q = local__strndup_(spec, p-spec)))
-								*error_message = error_messages[0];
-							else if(!FLAC__metadata_object_picture_set_mime_type(obj, q, /*copy=*/false))
-								*error_message = error_messages[0];
-						}
-						break;
-					case 2: /* description */
-						if(0 == (q = local__strndup_(spec, p-spec)))
-							*error_message = error_messages[0];
-						else if(!FLAC__metadata_object_picture_set_description(obj, (FLAC__byte*)q, /*copy=*/false))
-							*error_message = error_messages[0];
-						break;
-					case 3: /* resolution/color (e.g. [300x300x16[/1234]] */
-						if(!local__parse_resolution_(spec, p-spec, &obj->data.picture))
-							*error_message = error_messages[2];
-						break;
-					default:
-						*error_message = error_messages[1];
-						break;
-				}
-				p++;
-				spec = p;
-				state++;
-			}
-			else
-				p++;
-		}
-	}
-	else { /* simple format, filename only, everything else guessed */
-		if(!local__parse_type_("", 0, &obj->data.picture)) /* use default picture type */
-			*error_message = error_messages[7];
-		/* leave MIME type to be filled in later */
-		/* leave description empty */
-		/* leave the rest to be filled in later: */
-		else if(!local__parse_resolution_("", 0, &obj->data.picture))
-			*error_message = error_messages[2];
-		else
-			state = 4;
-	}
-
-	/* parse filename, read file, try to extract resolution/color info if needed */
-	if(*error_message == 0) {
-		if(state != 4)
-			*error_message = error_messages[1];
-		else { /* 'spec' points to filename/URL */
-			if(0 == strcmp(obj->data.picture.mime_type, "-->")) { /* magic MIME type means URL */
-				if(!FLAC__metadata_object_picture_set_data(obj, (FLAC__byte*)spec, strlen(spec), /*copy=*/true))
-					*error_message = error_messages[0];
-				else if(obj->data.picture.width == 0 || obj->data.picture.height == 0 || obj->data.picture.depth == 0)
-					*error_message = error_messages[3];
-			}
-			else { /* regular picture file */
-				*error_message = read_file (spec, obj);
-			}
-		}
-	}
-
-	if(*error_message == 0) {
-		if(
-			obj->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD &&
-			(
-				(strcmp(obj->data.picture.mime_type, "image/png") && strcmp(obj->data.picture.mime_type, "-->")) ||
-				obj->data.picture.width != 32 ||
-				obj->data.picture.height != 32
-			)
-		)
-			*error_message = error_messages[9];
-	}
-
-	if(*error_message && obj) {
-		FLAC__metadata_object_delete(obj);
-		obj = 0;
-	}
-
-	return obj;
-}
-
-FLAC__StreamMetadata *grabbag__picture_from_specification(int type, const char *mime_type_in, const char * description,
-		const PictureResolution * res, const char * filepath, const char **error_message)
-{
-
-	FLAC__StreamMetadata *obj;
-	char mime_type [64] ;
-
-	if (error_message == 0)
-		return 0;
-
-	safe_strncpy(mime_type, mime_type_in, sizeof (mime_type));
-
-	*error_message = 0;
-
-	if ((obj = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE)) == 0) {
-		*error_message = error_messages[0];
-		return obj;
-	}
-
-	/* Picture type if known. */
-	obj->data.picture.type = type >= 0 ? type : FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER;
-
-	/* Mime type if known. */
-	if (mime_type_in && ! FLAC__metadata_object_picture_set_mime_type(obj, mime_type, /*copy=*/true)) {
-		*error_message = error_messages[0];
-		return obj;
-	}
-
-	/* Description if present. */
-	if (description && ! FLAC__metadata_object_picture_set_description(obj, (FLAC__byte*) description, /*copy=*/true)) {
-		*error_message = error_messages[0];
-		return obj;
-	}
-
-	if (res == NULL) {
-		obj->data.picture.width = 0;
-		obj->data.picture.height = 0;
-		obj->data.picture.depth = 0;
-		obj->data.picture.colors = 0;
-	}
-	else {
-		obj->data.picture.width = res->width;
-		obj->data.picture.height = res->height;
-		obj->data.picture.depth = res->depth;
-		obj->data.picture.colors = res->colors;
-	}
-
-	if (strcmp(obj->data.picture.mime_type, "-->") == 0) { /* magic MIME type means URL */
-		if (!FLAC__metadata_object_picture_set_data(obj, (FLAC__byte*)filepath, strlen(filepath), /*copy=*/true))
-			*error_message = error_messages[0];
-		else if (obj->data.picture.width == 0 || obj->data.picture.height == 0 || obj->data.picture.depth == 0)
-			*error_message = error_messages[3];
-	}
-	else {
-		*error_message = read_file (filepath, obj);
-	}
-
-	if (*error_message == NULL) {
-		if (
-			obj->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD &&
-			(
-				(strcmp(obj->data.picture.mime_type, "image/png") && strcmp(obj->data.picture.mime_type, "-->")) ||
-				obj->data.picture.width != 32 ||
-				obj->data.picture.height != 32
-			)
-		)
-			*error_message = error_messages[9];
-	}
-
-	if (*error_message && obj) {
-		FLAC__metadata_object_delete(obj);
-		obj = 0;
-	}
-
-	return obj;
-}
diff --git a/deps/flac-1.3.2/src/share/grabbag/replaygain.c b/deps/flac-1.3.2/src/share/grabbag/replaygain.c
deleted file mode 100644
index ad3138f..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/replaygain.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/* grabbag - Convenience lib for various routines common to several tools
- * Copyright (C) 2002-2009  Josh Coalson
- * Copyright (C) 2011-2016  Xiph.Org Foundation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include <locale.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#if defined _MSC_VER || defined __MINGW32__
-#include <io.h> /* for chmod() */
-#endif
-#include <sys/stat.h> /* for stat(), maybe chmod() */
-
-#include "FLAC/assert.h"
-#include "FLAC/metadata.h"
-#include "FLAC/stream_decoder.h"
-#include "share/grabbag.h"
-#include "share/replaygain_analysis.h"
-#include "share/safe_str.h"
-
-#ifdef local_min
-#undef local_min
-#endif
-#define local_min(a,b) ((a)<(b)?(a):(b))
-
-#ifdef local_max
-#undef local_max
-#endif
-#define local_max(a,b) ((a)>(b)?(a):(b))
-
-static const char *reference_format_ = "%s=%2.1f dB";
-static const char *gain_format_ = "%s=%+2.2f dB";
-static const char *peak_format_ = "%s=%1.8f";
-
-static double album_peak_, title_peak_;
-
-const unsigned GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED = 190;
-/*
-	FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 29 + 1 + 8 +
-	FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 10 +
-	FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 12 +
-	FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 10 +
-	FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 12
-*/
-
-const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS = (const FLAC__byte * const)"REPLAYGAIN_REFERENCE_LOUDNESS";
-const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN = (const FLAC__byte * const)"REPLAYGAIN_TRACK_GAIN";
-const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK = (const FLAC__byte * const)"REPLAYGAIN_TRACK_PEAK";
-const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN = (const FLAC__byte * const)"REPLAYGAIN_ALBUM_GAIN";
-const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK = (const FLAC__byte * const)"REPLAYGAIN_ALBUM_PEAK";
-
-
-static 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));
-}
-
-static void set_file_stats_(const char *filename, struct flac_stat_s *stats)
-{
-	FLAC__ASSERT(0 != filename);
-	FLAC__ASSERT(0 != stats);
-
-	(void)flac_chmod(filename, stats->st_mode);
-}
-
-static FLAC__bool append_tag_(FLAC__StreamMetadata *block, const char *format, const FLAC__byte *name, float value)
-{
-	char buffer[256];
-	char *saved_locale;
-	FLAC__StreamMetadata_VorbisComment_Entry entry;
-
-	FLAC__ASSERT(0 != block);
-	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-	FLAC__ASSERT(0 != format);
-	FLAC__ASSERT(0 != name);
-
-	buffer[sizeof(buffer)-1] = '\0';
-	/*
-	 * We need to save the old locale and switch to "C" because the locale
-	 * influences the formatting of %f and we want it a certain way.
-	 */
-	saved_locale = strdup(setlocale(LC_ALL, 0));
-	if (0 == saved_locale)
-		return false;
-	setlocale(LC_ALL, "C");
-	flac_snprintf(buffer, sizeof(buffer), format, name, value);
-	setlocale(LC_ALL, saved_locale);
-	free(saved_locale);
-
-	entry.entry = (FLAC__byte *)buffer;
-	entry.length = strlen(buffer);
-
-	return FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true);
-}
-
-FLAC__bool grabbag__replaygain_is_valid_sample_frequency(unsigned sample_frequency)
-{
-	return ValidGainFrequency( sample_frequency );
-}
-
-FLAC__bool grabbag__replaygain_init(unsigned sample_frequency)
-{
-	title_peak_ = album_peak_ = 0.0;
-	return InitGainAnalysis((long)sample_frequency) == INIT_GAIN_ANALYSIS_OK;
-}
-
-FLAC__bool grabbag__replaygain_analyze(const FLAC__int32 * const input[], FLAC__bool is_stereo, unsigned bps, unsigned samples)
-{
-	/* using a small buffer improves data locality; we'd like it to fit easily in the dcache */
-	static flac_float_t lbuffer[2048], rbuffer[2048];
-	static const unsigned nbuffer = sizeof(lbuffer) / sizeof(lbuffer[0]);
-	FLAC__int32 block_peak = 0, s;
-	unsigned i, j;
-
-	FLAC__ASSERT(bps >= 4 && bps <= FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE);
-	FLAC__ASSERT(FLAC__MIN_BITS_PER_SAMPLE == 4);
-	/*
-	 * We use abs() on a FLAC__int32 which is undefined for the most negative value.
-	 * If the reference codec ever handles 32bps we will have to write a special
-	 * case here.
-	 */
-	FLAC__ASSERT(FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE < 32);
-
-	if(bps == 16) {
-		if(is_stereo) {
-			j = 0;
-			while(samples > 0) {
-				const unsigned n = local_min(samples, nbuffer);
-				for(i = 0; i < n; i++, j++) {
-					s = input[0][j];
-					lbuffer[i] = (flac_float_t)s;
-					s = abs(s);
-					block_peak = local_max(block_peak, s);
-
-					s = input[1][j];
-					rbuffer[i] = (flac_float_t)s;
-					s = abs(s);
-					block_peak = local_max(block_peak, s);
-				}
-				samples -= n;
-				if(AnalyzeSamples(lbuffer, rbuffer, n, 2) != GAIN_ANALYSIS_OK)
-					return false;
-			}
-		}
-		else {
-			j = 0;
-			while(samples > 0) {
-				const unsigned n = local_min(samples, nbuffer);
-				for(i = 0; i < n; i++, j++) {
-					s = input[0][j];
-					lbuffer[i] = (flac_float_t)s;
-					s = abs(s);
-					block_peak = local_max(block_peak, s);
-				}
-				samples -= n;
-				if(AnalyzeSamples(lbuffer, 0, n, 1) != GAIN_ANALYSIS_OK)
-					return false;
-			}
-		}
-	}
-	else { /* bps must be < 32 according to above assertion */
-		const double scale = (
-			(bps > 16)?
-				(double)1. / (double)(1u << (bps - 16)) :
-				(double)(1u << (16 - bps))
-		);
-
-		if(is_stereo) {
-			j = 0;
-			while(samples > 0) {
-				const unsigned n = local_min(samples, nbuffer);
-				for(i = 0; i < n; i++, j++) {
-					s = input[0][j];
-					lbuffer[i] = (flac_float_t)(scale * (double)s);
-					s = abs(s);
-					block_peak = local_max(block_peak, s);
-
-					s = input[1][j];
-					rbuffer[i] = (flac_float_t)(scale * (double)s);
-					s = abs(s);
-					block_peak = local_max(block_peak, s);
-				}
-				samples -= n;
-				if(AnalyzeSamples(lbuffer, rbuffer, n, 2) != GAIN_ANALYSIS_OK)
-					return false;
-			}
-		}
-		else {
-			j = 0;
-			while(samples > 0) {
-				const unsigned n = local_min(samples, nbuffer);
-				for(i = 0; i < n; i++, j++) {
-					s = input[0][j];
-					lbuffer[i] = (flac_float_t)(scale * (double)s);
-					s = abs(s);
-					block_peak = local_max(block_peak, s);
-				}
-				samples -= n;
-				if(AnalyzeSamples(lbuffer, 0, n, 1) != GAIN_ANALYSIS_OK)
-					return false;
-			}
-		}
-	}
-
-	{
-		const double peak_scale = (double)(1u << (bps - 1));
-		double peak = (double)block_peak / peak_scale;
-		if(peak > title_peak_)
-			title_peak_ = peak;
-		if(peak > album_peak_)
-			album_peak_ = peak;
-	}
-
-	return true;
-}
-
-void grabbag__replaygain_get_album(float *gain, float *peak)
-{
-	*gain = (float)GetAlbumGain();
-	*peak = (float)album_peak_;
-	album_peak_ = 0.0;
-}
-
-void grabbag__replaygain_get_title(float *gain, float *peak)
-{
-	*gain = (float)GetTitleGain();
-	*peak = (float)title_peak_;
-	title_peak_ = 0.0;
-}
-
-
-typedef struct {
-	unsigned channels;
-	unsigned bits_per_sample;
-	unsigned sample_rate;
-	FLAC__bool error;
-} DecoderInstance;
-
-static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
-{
-	DecoderInstance *instance = (DecoderInstance*)client_data;
-	const unsigned bits_per_sample = frame->header.bits_per_sample;
-	const unsigned channels = frame->header.channels;
-	const unsigned sample_rate = frame->header.sample_rate;
-	const unsigned samples = frame->header.blocksize;
-
-	(void)decoder;
-
-	if(
-		!instance->error &&
-		(channels == 2 || channels == 1) &&
-		bits_per_sample == instance->bits_per_sample &&
-		channels == instance->channels &&
-		sample_rate == instance->sample_rate
-	) {
-		instance->error = !grabbag__replaygain_analyze(buffer, channels==2, bits_per_sample, samples);
-	}
-	else {
-		instance->error = true;
-	}
-
-	if(!instance->error)
-		return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-	else
-		return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-}
-
-static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
-{
-	DecoderInstance *instance = (DecoderInstance*)client_data;
-
-	(void)decoder;
-
-	if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
-		instance->bits_per_sample = metadata->data.stream_info.bits_per_sample;
-		instance->channels = metadata->data.stream_info.channels;
-		instance->sample_rate = metadata->data.stream_info.sample_rate;
-
-		if(instance->channels != 1 && instance->channels != 2) {
-			instance->error = true;
-			return;
-		}
-
-		if(!grabbag__replaygain_is_valid_sample_frequency(instance->sample_rate)) {
-			instance->error = true;
-			return;
-		}
-	}
-}
-
-static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
-	DecoderInstance *instance = (DecoderInstance*)client_data;
-
-	(void)decoder, (void)status;
-
-	instance->error = true;
-}
-
-const char *grabbag__replaygain_analyze_file(const char *filename, float *title_gain, float *title_peak)
-{
-	DecoderInstance instance;
-	FLAC__StreamDecoder *decoder = FLAC__stream_decoder_new();
-
-	if(0 == decoder)
-		return "memory allocation error";
-
-	instance.error = false;
-
-	/* It does these three by default but lets be explicit: */
-	FLAC__stream_decoder_set_md5_checking(decoder, false);
-	FLAC__stream_decoder_set_metadata_ignore_all(decoder);
-	FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_STREAMINFO);
-
-	if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &instance) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
-		FLAC__stream_decoder_delete(decoder);
-		return "initializing decoder";
-	}
-
-	if(!FLAC__stream_decoder_process_until_end_of_stream(decoder) || instance.error) {
-		FLAC__stream_decoder_delete(decoder);
-		return "decoding file";
-	}
-
-	FLAC__stream_decoder_delete(decoder);
-
-	grabbag__replaygain_get_title(title_gain, title_peak);
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_vorbiscomment(FLAC__StreamMetadata *block, float album_gain, float album_peak, float title_gain, float title_peak)
-{
-	const char *error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_reference(block)))
-		return error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_title(block, title_gain, title_peak)))
-		return error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_album(block, album_gain, album_peak)))
-		return error;
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_vorbiscomment_reference(FLAC__StreamMetadata *block)
-{
-	FLAC__ASSERT(0 != block);
-	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	if(FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS) < 0)
-		return "memory allocation error";
-
-	if(!append_tag_(block, reference_format_, GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS, ReplayGainReferenceLoudness))
-		return "memory allocation error";
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_vorbiscomment_album(FLAC__StreamMetadata *block, float album_gain, float album_peak)
-{
-	FLAC__ASSERT(0 != block);
-	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	if(
-		FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN) < 0 ||
-		FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK) < 0
-	)
-		return "memory allocation error";
-
-	if(
-		!append_tag_(block, gain_format_, GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN, album_gain) ||
-		!append_tag_(block, peak_format_, GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK, album_peak)
-	)
-		return "memory allocation error";
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_vorbiscomment_title(FLAC__StreamMetadata *block, float title_gain, float title_peak)
-{
-	FLAC__ASSERT(0 != block);
-	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	if(
-		FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN) < 0 ||
-		FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK) < 0
-	)
-		return "memory allocation error";
-
-	if(
-		!append_tag_(block, gain_format_, GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN, title_gain) ||
-		!append_tag_(block, peak_format_, GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK, title_peak)
-	)
-		return "memory allocation error";
-
-	return 0;
-}
-
-static const char *store_to_file_pre_(const char *filename, FLAC__Metadata_Chain **chain, FLAC__StreamMetadata **block)
-{
-	FLAC__Metadata_Iterator *iterator;
-	const char *error;
-	FLAC__bool found_vc_block = false;
-
-	if(0 == (*chain = FLAC__metadata_chain_new()))
-		return "memory allocation error";
-
-	if(!FLAC__metadata_chain_read(*chain, filename)) {
-		error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(*chain)];
-		FLAC__metadata_chain_delete(*chain);
-		return error;
-	}
-
-	if(0 == (iterator = FLAC__metadata_iterator_new())) {
-		FLAC__metadata_chain_delete(*chain);
-		return "memory allocation error";
-	}
-
-	FLAC__metadata_iterator_init(iterator, *chain);
-
-	do {
-		*block = FLAC__metadata_iterator_get_block(iterator);
-		if((*block)->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
-			found_vc_block = true;
-	} while(!found_vc_block && FLAC__metadata_iterator_next(iterator));
-
-	if(!found_vc_block) {
-		/* create a new block */
-		*block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
-		if(0 == *block) {
-			FLAC__metadata_chain_delete(*chain);
-			FLAC__metadata_iterator_delete(iterator);
-			return "memory allocation error";
-		}
-		while(FLAC__metadata_iterator_next(iterator))
-			;
-		if(!FLAC__metadata_iterator_insert_block_after(iterator, *block)) {
-			error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(*chain)];
-			FLAC__metadata_chain_delete(*chain);
-			FLAC__metadata_iterator_delete(iterator);
-			return error;
-		}
-		/* iterator is left pointing to new block */
-		FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == *block);
-	}
-
-	FLAC__metadata_iterator_delete(iterator);
-
-	FLAC__ASSERT(0 != *block);
-	FLAC__ASSERT((*block)->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	return 0;
-}
-
-static const char *store_to_file_post_(const char *filename, FLAC__Metadata_Chain *chain, FLAC__bool preserve_modtime)
-{
-	struct flac_stat_s stats;
-	const FLAC__bool have_stats = get_file_stats_(filename, &stats);
-
-	(void)grabbag__file_change_stats(filename, /*read_only=*/false);
-
-	FLAC__metadata_chain_sort_padding(chain);
-	if(!FLAC__metadata_chain_write(chain, /*use_padding=*/true, preserve_modtime)) {
-		const char *error;
-		error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)];
-		FLAC__metadata_chain_delete(chain);
-		return error;
-	}
-
-	FLAC__metadata_chain_delete(chain);
-
-	if(have_stats)
-		set_file_stats_(filename, &stats);
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_file(const char *filename, float album_gain, float album_peak, float title_gain, float title_peak, FLAC__bool preserve_modtime)
-{
-	FLAC__Metadata_Chain *chain;
-	FLAC__StreamMetadata *block = NULL;
-	const char *error;
-
-	if(0 != (error = store_to_file_pre_(filename, &chain, &block)))
-		return error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment(block, album_gain, album_peak, title_gain, title_peak))) {
-		FLAC__metadata_chain_delete(chain);
-		return error;
-	}
-
-	if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime)))
-		return error;
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_file_reference(const char *filename, FLAC__bool preserve_modtime)
-{
-	FLAC__Metadata_Chain *chain;
-	FLAC__StreamMetadata *block = NULL;
-	const char *error;
-
-	if(0 != (error = store_to_file_pre_(filename, &chain, &block)))
-		return error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_reference(block))) {
-		FLAC__metadata_chain_delete(chain);
-		return error;
-	}
-
-	if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime)))
-		return error;
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_file_album(const char *filename, float album_gain, float album_peak, FLAC__bool preserve_modtime)
-{
-	FLAC__Metadata_Chain *chain;
-	FLAC__StreamMetadata *block = NULL;
-	const char *error;
-
-	if(0 != (error = store_to_file_pre_(filename, &chain, &block)))
-		return error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_album(block, album_gain, album_peak))) {
-		FLAC__metadata_chain_delete(chain);
-		return error;
-	}
-
-	if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime)))
-		return error;
-
-	return 0;
-}
-
-const char *grabbag__replaygain_store_to_file_title(const char *filename, float title_gain, float title_peak, FLAC__bool preserve_modtime)
-{
-	FLAC__Metadata_Chain *chain;
-	FLAC__StreamMetadata *block = NULL;
-	const char *error;
-
-	if(0 != (error = store_to_file_pre_(filename, &chain, &block)))
-		return error;
-
-	if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_title(block, title_gain, title_peak))) {
-		FLAC__metadata_chain_delete(chain);
-		return error;
-	}
-
-	if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime)))
-		return error;
-
-	return 0;
-}
-
-static FLAC__bool parse_double_(const FLAC__StreamMetadata_VorbisComment_Entry *entry, double *val)
-{
-	char s[32], *end;
-	const char *p, *q;
-	double v;
-
-	FLAC__ASSERT(0 != entry);
-	FLAC__ASSERT(0 != val);
-
-	p = (const char *)entry->entry;
-	q = strchr(p, '=');
-	if(0 == q)
-		return false;
-	q++;
-	safe_strncpy(s, q, local_min(sizeof(s), (size_t) (entry->length - (q-p))));
-
-	v = strtod(s, &end);
-	if(end == s)
-		return false;
-
-	*val = v;
-	return true;
-}
-
-FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, FLAC__bool strict, double *reference, double *gain, double *peak)
-{
-	int reference_offset, gain_offset, peak_offset;
-	char *saved_locale;
-	FLAC__bool res = true;
-
-	FLAC__ASSERT(0 != block);
-	FLAC__ASSERT(0 != reference);
-	FLAC__ASSERT(0 != gain);
-	FLAC__ASSERT(0 != peak);
-	FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	/* Default to current level until overridden by a detected tag; this
-	 * will always be true until we change replaygain_analysis.c
-	 */
-	*reference = ReplayGainReferenceLoudness;
-
-	/*
-	 * We need to save the old locale and switch to "C" because the locale
-	 * influences the behaviour of strtod and we want it a certain way.
-	 */
-	saved_locale = strdup(setlocale(LC_ALL, 0));
-	if (0 == saved_locale)
-		return false;
-	setlocale(LC_ALL, "C");
-
-	if(0 <= (reference_offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, /*offset=*/0, (const char *)GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS)))
-		(void)parse_double_(block->data.vorbis_comment.comments + reference_offset, reference);
-
-	if(0 > (gain_offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, /*offset=*/0, (const char *)(album_mode? GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN : GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN))))
-		res = false;
-	if(0 > (peak_offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, /*offset=*/0, (const char *)(album_mode? GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK : GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK))))
-		res = false;
-
-	if(res && !parse_double_(block->data.vorbis_comment.comments + gain_offset, gain))
-		res = false;
-	if(res && !parse_double_(block->data.vorbis_comment.comments + peak_offset, peak))
-		res = false;
-
-	setlocale(LC_ALL, saved_locale);
-	free(saved_locale);
-
-	/* something failed; retry with strict */
-	if (!res && !strict)
-		res = grabbag__replaygain_load_from_vorbiscomment(block, !album_mode, /*strict=*/true, reference, gain, peak);
-
-	return res;
-}
-
-double grabbag__replaygain_compute_scale_factor(double peak, double gain, double preamp, FLAC__bool prevent_clipping)
-{
-	double scale;
-	FLAC__ASSERT(peak >= 0.0);
- 	gain += preamp;
-	scale = (float) pow(10.0, gain * 0.05);
-	if(prevent_clipping && peak > 0.0) {
-		const double max_scale = (float)(1.0 / peak);
-		if(scale > max_scale)
-			scale = max_scale;
-	}
-	return scale;
-}
diff --git a/deps/flac-1.3.2/src/share/grabbag/seektable.c b/deps/flac-1.3.2/src/share/grabbag/seektable.c
deleted file mode 100644
index 01118d5..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/seektable.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/* grabbag - Convenience lib for various routines common to several tools
- * Copyright (C) 2002-2009  Josh Coalson
- * Copyright (C) 2011-2016  Xiph.Org Foundation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include "share/grabbag.h"
-#include "share/compat.h"
-#include "FLAC/assert.h"
-#include <stdlib.h> /* for atoi() */
-#include <string.h>
-
-FLAC__bool grabbag__seektable_convert_specification_to_template(const char *spec, FLAC__bool only_explicit_placeholders, FLAC__uint64 total_samples_to_encode, unsigned sample_rate, FLAC__StreamMetadata *seektable_template, FLAC__bool *spec_has_real_points)
-{
-	unsigned i;
-	const char *pt;
-
-	FLAC__ASSERT(0 != spec);
-	FLAC__ASSERT(0 != seektable_template);
-	FLAC__ASSERT(seektable_template->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	if(0 != spec_has_real_points)
-		*spec_has_real_points = false;
-
-	for(pt = spec, i = 0; pt && *pt; i++) {
-		const char *q = strchr(pt, ';');
-		FLAC__ASSERT(0 != q);
-
-		if(q > pt) {
-			if(0 == strncmp(pt, "X;", 2)) { /* -S X */
-				if(!FLAC__metadata_object_seektable_template_append_placeholders(seektable_template, 1))
-					return false;
-			}
-			else if(q[-1] == 'x') { /* -S #x */
-				if(total_samples_to_encode > 0) { /* we can only do these if we know the number of samples to encode up front */
-					if(0 != spec_has_real_points)
-						*spec_has_real_points = true;
-					if(!only_explicit_placeholders) {
-						const int n = (unsigned)atoi(pt);
-						if(n > 0)
-							if(!FLAC__metadata_object_seektable_template_append_spaced_points(seektable_template, (unsigned)n, total_samples_to_encode))
-								return false;
-					}
-				}
-			}
-			else if(q[-1] == 's') { /* -S #s */
-				if(total_samples_to_encode > 0) { /* we can only do these if we know the number of samples to encode up front */
-					FLAC__ASSERT(sample_rate > 0);
-					if(0 != spec_has_real_points)
-						*spec_has_real_points = true;
-					if(!only_explicit_placeholders) {
-						const double sec = atof(pt);
-						if(sec > 0.0) {
-							unsigned samples = (unsigned)(sec * (double)sample_rate);
-							/* Restrict seekpoints to two per second of audio. */
-							samples = samples < sample_rate / 2 ? sample_rate / 2 : samples;
-							if(samples > 0) {
-								/* +1 for the initial point at sample 0 */
-								if(!FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(seektable_template, samples, total_samples_to_encode))
-									return false;
-							}
-						}
-					}
-				}
-			}
-			else { /* -S # */
-				if(0 != spec_has_real_points)
-					*spec_has_real_points = true;
-				if(!only_explicit_placeholders) {
-					char *endptr;
-					const FLAC__int64 n = (FLAC__int64)strtoll(pt, &endptr, 10);
-					if(
-						(n > 0 || (endptr > pt && *endptr == ';')) && /* is a valid number (extra check needed for "0") */
-						(total_samples_to_encode == 0 || (FLAC__uint64)n < total_samples_to_encode) /* number is not >= the known total_samples_to_encode */
-					)
-						if(!FLAC__metadata_object_seektable_template_append_point(seektable_template, (FLAC__uint64)n))
-							return false;
-				}
-			}
-		}
-
-		pt = ++q;
-	}
-
-	if(!FLAC__metadata_object_seektable_template_sort(seektable_template, /*compact=*/true))
-		return false;
-
-	return true;
-}
diff --git a/deps/flac-1.3.2/src/share/grabbag/snprintf.c b/deps/flac-1.3.2/src/share/grabbag/snprintf.c
deleted file mode 100644
index d8e4be3..0000000
--- a/deps/flac-1.3.2/src/share/grabbag/snprintf.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* grabbag - Convenience lib for various routines common to several tools
- * 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 <stdio.h>
-#include <stdarg.h>
-
-#include "share/compat.h"
-
-/*
- * FLAC needs to compile and work correctly on systems with a normal ISO C99
- * snprintf as well as Microsoft Visual Studio which has an non-standards
- * conformant snprint_s function.
- *
- * The important difference occurs when the resultant string (plus string
- * terminator) would have been longer than the supplied size parameter. When
- * this happens, ISO C's snprintf returns the length of resultant string, but
- * does not over-write the end of the buffer. MS's snprintf_s in this case
- * returns -1.
- *
- * The _MSC_VER code below attempts to modify the return code for vsnprintf_s
- * to something that is more compatible with the behaviour of the ISO C version.
- */
-
-int
-flac_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;
-}
-
-int
-flac_vsnprintf(char *str, size_t size, const char *fmt, va_list va)
-{
-	int rc;
-
-#if defined _MSC_VER
-	if (size == 0)
-		return 1024;
-	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
-
-	return rc;
-}