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-rw-r--r--3rdparty/libflac/src/flac/utils.c316
1 files changed, 0 insertions, 316 deletions
diff --git a/3rdparty/libflac/src/flac/utils.c b/3rdparty/libflac/src/flac/utils.c
deleted file mode 100644
index bca8af761cc..00000000000
--- a/3rdparty/libflac/src/flac/utils.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/* flac - Command-line FLAC encoder/decoder
- * Copyright (C) 2002,2003,2004,2005,2006,2007 Josh Coalson
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "utils.h"
-#include "FLAC/assert.h"
-#include "FLAC/metadata.h"
-#include <math.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-const char *CHANNEL_MASK_TAG = "WAVEFORMATEXTENSIBLE_CHANNEL_MASK";
-
-int flac__utils_verbosity_ = 2;
-
-static FLAC__bool local__parse_uint64_(const char *s, FLAC__uint64 *value)
-{
- FLAC__uint64 ret = 0;
- char c;
-
- if(*s == '\0')
- return false;
-
- while('\0' != (c = *s++))
- if(c >= '0' && c <= '9')
- ret = ret * 10 + (c - '0');
- else
- return false;
-
- *value = ret;
- return true;
-}
-
-static FLAC__bool local__parse_timecode_(const char *s, double *value)
-{
- double ret;
- unsigned i;
- char c;
-
- /* parse [0-9][0-9]*: */
- c = *s++;
- if(c >= '0' && c <= '9')
- i = (c - '0');
- else
- return false;
- while(':' != (c = *s++)) {
- if(c >= '0' && c <= '9')
- i = i * 10 + (c - '0');
- else
- return false;
- }
- ret = (double)i * 60.;
-
- /* parse [0-9]*[.,]?[0-9]* i.e. a sign-less rational number (. or , OK for fractional seconds, to support different locales) */
- if(strspn(s, "1234567890.,") != strlen(s))
- return false;
- {
- const char *p = strpbrk(s, ".,");
- if(p && 0 != strpbrk(++p, ".,"))
- return false;
- }
- ret += atof(s);
-
- *value = ret;
- return true;
-}
-
-static FLAC__bool local__parse_cue_(const char *s, const char *end, unsigned *track, unsigned *index)
-{
- FLAC__bool got_track = false, got_index = false;
- unsigned t = 0, i = 0;
- char c;
-
- while(end? s < end : *s != '\0') {
- c = *s++;
- if(c >= '0' && c <= '9') {
- t = t * 10 + (c - '0');
- got_track = true;
- }
- else if(c == '.')
- break;
- else
- return false;
- }
- while(end? s < end : *s != '\0') {
- c = *s++;
- if(c >= '0' && c <= '9') {
- i = i * 10 + (c - '0');
- got_index = true;
- }
- else
- return false;
- }
- *track = t;
- *index = i;
- return got_track && got_index;
-}
-
-/*
- * this only works with sorted cuesheets (the spec strongly recommends but
- * does not require sorted cuesheets). but if it's not sorted, picking a
- * nearest cue point has no significance.
- */
-static FLAC__uint64 local__find_closest_cue_(const FLAC__StreamMetadata_CueSheet *cuesheet, unsigned track, unsigned index, FLAC__uint64 total_samples, FLAC__bool look_forward)
-{
- int t, i;
- if(look_forward) {
- for(t = 0; t < (int)cuesheet->num_tracks; t++)
- for(i = 0; i < (int)cuesheet->tracks[t].num_indices; i++)
- if(cuesheet->tracks[t].number > track || (cuesheet->tracks[t].number == track && cuesheet->tracks[t].indices[i].number >= index))
- return cuesheet->tracks[t].offset + cuesheet->tracks[t].indices[i].offset;
- return total_samples;
- }
- else {
- for(t = (int)cuesheet->num_tracks - 1; t >= 0; t--)
- for(i = (int)cuesheet->tracks[t].num_indices - 1; i >= 0; i--)
- if(cuesheet->tracks[t].number < track || (cuesheet->tracks[t].number == track && cuesheet->tracks[t].indices[i].number <= index))
- return cuesheet->tracks[t].offset + cuesheet->tracks[t].indices[i].offset;
- return 0;
- }
-}
-
-void flac__utils_printf(FILE *stream, int level, const char *format, ...)
-{
- if(flac__utils_verbosity_ >= level) {
- va_list args;
-
- FLAC__ASSERT(0 != format);
-
- va_start(args, format);
-
- (void) vfprintf(stream, format, args);
-
- va_end(args);
- }
-}
-
-#ifdef FLAC__VALGRIND_TESTING
-size_t flac__utils_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
-{
- size_t ret = fwrite(ptr, size, nmemb, stream);
- if(!ferror(stream))
- fflush(stream);
- return ret;
-}
-#endif
-
-FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec)
-{
- FLAC__uint64 val;
- FLAC__bool is_negative = false;
-
- FLAC__ASSERT(0 != spec);
-
- spec->is_relative = false;
- spec->value_is_samples = true;
- spec->value.samples = 0;
-
- if(0 != s) {
- if(s[0] == '-') {
- is_negative = true;
- spec->is_relative = true;
- s++;
- }
- else if(s[0] == '+') {
- spec->is_relative = true;
- s++;
- }
-
- if(local__parse_uint64_(s, &val)) {
- spec->value_is_samples = true;
- spec->value.samples = (FLAC__int64)val;
- if(is_negative)
- spec->value.samples = -(spec->value.samples);
- }
- else {
- double d;
- if(!local__parse_timecode_(s, &d))
- return false;
- spec->value_is_samples = false;
- spec->value.seconds = d;
- if(is_negative)
- spec->value.seconds = -(spec->value.seconds);
- }
- }
-
- return true;
-}
-
-void flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, unsigned sample_rate)
-{
- FLAC__ASSERT(0 != spec);
- if(!spec->value_is_samples) {
- spec->value.samples = (FLAC__int64)(spec->value.seconds * (double)sample_rate);
- spec->value_is_samples = true;
- }
-}
-
-FLAC__bool flac__utils_parse_cue_specification(const char *s, utils__CueSpecification *spec)
-{
- const char *start = s, *end = 0;
-
- FLAC__ASSERT(0 != spec);
-
- spec->has_start_point = spec->has_end_point = false;
-
- s = strchr(s, '-');
-
- if(0 != s) {
- if(s == start)
- start = 0;
- end = s+1;
- if(*end == '\0')
- end = 0;
- }
-
- if(start) {
- if(!local__parse_cue_(start, s, &spec->start_track, &spec->start_index))
- return false;
- spec->has_start_point = true;
- }
-
- if(end) {
- if(!local__parse_cue_(end, 0, &spec->end_track, &spec->end_index))
- return false;
- spec->has_end_point = true;
- }
-
- return true;
-}
-
-void flac__utils_canonicalize_cue_specification(const utils__CueSpecification *cue_spec, const FLAC__StreamMetadata_CueSheet *cuesheet, FLAC__uint64 total_samples, utils__SkipUntilSpecification *skip_spec, utils__SkipUntilSpecification *until_spec)
-{
- FLAC__ASSERT(0 != cue_spec);
- FLAC__ASSERT(0 != cuesheet);
- FLAC__ASSERT(0 != total_samples);
- FLAC__ASSERT(0 != skip_spec);
- FLAC__ASSERT(0 != until_spec);
-
- skip_spec->is_relative = false;
- skip_spec->value_is_samples = true;
-
- until_spec->is_relative = false;
- until_spec->value_is_samples = true;
-
- if(cue_spec->has_start_point)
- skip_spec->value.samples = local__find_closest_cue_(cuesheet, cue_spec->start_track, cue_spec->start_index, total_samples, /*look_forward=*/false);
- else
- skip_spec->value.samples = 0;
-
- if(cue_spec->has_end_point)
- until_spec->value.samples = local__find_closest_cue_(cuesheet, cue_spec->end_track, cue_spec->end_index, total_samples, /*look_forward=*/true);
- else
- until_spec->value.samples = total_samples;
-}
-
-FLAC__bool flac__utils_set_channel_mask_tag(FLAC__StreamMetadata *object, FLAC__uint32 channel_mask)
-{
- FLAC__StreamMetadata_VorbisComment_Entry entry = { 0, 0 };
- char tag[128];
-
- FLAC__ASSERT(object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(strlen(CHANNEL_MASK_TAG+1+2+16+1) <= sizeof(tag)); /* +1 for =, +2 for 0x, +16 for digits, +1 for NUL */
- entry.entry = (FLAC__byte*)tag;
-#if defined _MSC_VER || defined __MINGW32__
- if((entry.length = _snprintf(tag, sizeof(tag), "%s=0x%04X", CHANNEL_MASK_TAG, (unsigned)channel_mask)) >= sizeof(tag))
-#else
- if((entry.length = snprintf(tag, sizeof(tag), "%s=0x%04X", CHANNEL_MASK_TAG, (unsigned)channel_mask)) >= sizeof(tag))
-#endif
- return false;
- if(!FLAC__metadata_object_vorbiscomment_replace_comment(object, entry, /*all=*/true, /*copy=*/true))
- return false;
- return true;
-}
-
-FLAC__bool flac__utils_get_channel_mask_tag(const FLAC__StreamMetadata *object, FLAC__uint32 *channel_mask)
-{
- int offset;
- unsigned val;
- char *p;
- FLAC__ASSERT(object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- if(0 > (offset = FLAC__metadata_object_vorbiscomment_find_entry_from(object, /*offset=*/0, CHANNEL_MASK_TAG)))
- return false;
- if(object->data.vorbis_comment.comments[offset].length < strlen(CHANNEL_MASK_TAG)+4)
- return false;
- if(0 == (p = strchr((const char *)object->data.vorbis_comment.comments[offset].entry, '='))) /* should never happen, but just in case */
- return false;
- if(strncmp(p, "=0x", 3))
- return false;
- if(sscanf(p+3, "%x", &val) != 1)
- return false;
- *channel_mask = val;
- return true;
-}