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decoder/flac: parse all replaygain tags 

The FLAC replaygain parser used the "||" operator.  This made the code
stop after the first value which was found.
This commit is contained in:
Max Kellermann 2009-07-22 13:31:48 +02:00
parent cf1fd2b0da
commit 47ed89bd4c
2 changed files with 19 additions and 14 deletions
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1
NEWS
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@ -4,6 +4,7 @@ ver 0.15.2 (2009/??/??)
- ape: added protection against large memory allocations
* decoders:
- mad: skip ID3 frames when libid3tag is disabled
- flac: parse all replaygain tags
ver 0.15.1 (2009/07/15)

32
src/decoder/_flac_common.c
View File

@ -40,9 +40,9 @@ flac_data_init(struct flac_data *data, struct decoder * decoder,
data->tag = NULL;
}
static bool
static void
flac_find_float_comment(const FLAC__StreamMetadata *block,
const char *cmnt, float *fl)
const char *cmnt, float *fl, bool *found_r)
{
int offset;
size_t pos;
@ -52,12 +52,12 @@ flac_find_float_comment(const FLAC__StreamMetadata *block,
offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0,
cmnt);
if (offset < 0)
return false;
return;
pos = strlen(cmnt) + 1; /* 1 is for '=' */
len = block->data.vorbis_comment.comments[offset].length - pos;
if (len <= 0)
return false;
return;
p = &block->data.vorbis_comment.comments[offset].entry[pos];
tmp = p[len];
@ -65,28 +65,32 @@ flac_find_float_comment(const FLAC__StreamMetadata *block,
*fl = (float)atof((char *)p);
p[len] = tmp;
return true;
*found_r = true;
}
static void
flac_parse_replay_gain(const FLAC__StreamMetadata *block,
struct flac_data *data)
{
bool found;
bool found = false;
if (data->replay_gain_info)
replay_gain_info_free(data->replay_gain_info);
data->replay_gain_info = replay_gain_info_new();
found = flac_find_float_comment(block, "replaygain_album_gain",
&data->replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain) ||
flac_find_float_comment(block, "replaygain_album_peak",
&data->replay_gain_info->tuples[REPLAY_GAIN_ALBUM].peak) ||
flac_find_float_comment(block, "replaygain_track_gain",
&data->replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain) ||
flac_find_float_comment(block, "replaygain_track_peak",
&data->replay_gain_info->tuples[REPLAY_GAIN_TRACK].peak);
flac_find_float_comment(block, "replaygain_album_gain",
&data->replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain,
&found);
flac_find_float_comment(block, "replaygain_album_peak",
&data->replay_gain_info->tuples[REPLAY_GAIN_ALBUM].peak,
&found);
flac_find_float_comment(block, "replaygain_track_gain",
&data->replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain,
&found);
flac_find_float_comment(block, "replaygain_track_peak",
&data->replay_gain_info->tuples[REPLAY_GAIN_TRACK].peak,
&found);
if (!found) {
replay_gain_info_free(data->replay_gain_info);