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allow non-strict mode for reading replaygain tags, to fallback to track tags if album tags are not available and vice versa

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This commit is contained in:
Josh Coalson
2005-09-01 01:01:08 +00:00
parent 53b626a771
commit 95e39a8fa5
7 changed files with 12 additions and 11 deletions
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1
doc/html/changelog.html
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@@ -101,6 +101,7 @@
<li> <li>
plugins: plugins:
<ul> <ul>
<li>When ReplayGain is on, if tags for the preferred kind of gain (album/track) are not in a stream, the other kind will be used.</li>
<li>Fixed UTF-8 decoder to disallow non-shortest-form and surrogate sequences (see <a href="http://www.unicode.org/versions/corrigendum1.html">here</a>).</li> <li>Fixed UTF-8 decoder to disallow non-shortest-form and surrogate sequences (see <a href="http://www.unicode.org/versions/corrigendum1.html">here</a>).</li>
</ul> </ul>
</li> </li>

2
doc/html/documentation.html
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@@ -457,7 +457,7 @@
</li> </li>
<li> <li>
<span class="argument">a|t</span><br /> <span class="argument">a|t</span><br />
&nbsp;&nbsp;Specify '<span class="argument">a</span>' to use the album gain, or '<span class="argument">t</span>' to use the track gain &nbsp;&nbsp;Specify '<span class="argument">a</span>' to use the album gain, or '<span class="argument">t</span>' to use the track gain. If tags for the preferred kind (album/track) do not exist but tags for the other (track/album) do, those will be used instead.
</li> </li>
<li> <li>
<span class="argument">l|L</span><br /> <span class="argument">l|L</span><br />

2
include/share/grabbag/replaygain.h
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@@ -59,7 +59,7 @@ const char *grabbag__replaygain_store_to_file(const char *filename, float album_
const char *grabbag__replaygain_store_to_file_album(const char *filename, float album_gain, float album_peak, FLAC__bool preserve_modtime); const char *grabbag__replaygain_store_to_file_album(const char *filename, float album_gain, float album_peak, FLAC__bool preserve_modtime);
const char *grabbag__replaygain_store_to_file_title(const char *filename, float title_gain, float title_peak, FLAC__bool preserve_modtime); const char *grabbag__replaygain_store_to_file_title(const char *filename, float title_gain, float title_peak, FLAC__bool preserve_modtime);
FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, double *gain, double *peak); FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, FLAC__bool strict, double *gain, double *peak);
double grabbag__replaygain_compute_scale_factor(double peak, double gain, double preamp, FLAC__bool prevent_clipping); double grabbag__replaygain_compute_scale_factor(double peak, double gain, double preamp, FLAC__bool prevent_clipping);
#ifdef __cplusplus #ifdef __cplusplus

4
src/flac/decode.c
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@@ -1106,8 +1106,8 @@ void metadata_callback(const void *decoder, const FLAC__StreamMetadata *metadata
else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
if (decoder_session->replaygain.spec.apply) { if (decoder_session->replaygain.spec.apply) {
double gain, peak; double gain, peak;
if (!(decoder_session->replaygain.apply = grabbag__replaygain_load_from_vorbiscomment(metadata, decoder_session->replaygain.spec.use_album_gain, &gain, &peak))) { if (!(decoder_session->replaygain.apply = grabbag__replaygain_load_from_vorbiscomment(metadata, decoder_session->replaygain.spec.use_album_gain, /*strict=*/false, &gain, &peak))) {
flac__utils_printf(stderr, 1, "%s: WARNING: can't get %s ReplayGain tag\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track"); flac__utils_printf(stderr, 1, "%s: WARNING: can't get %s (or even %s) ReplayGain tags\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", decoder_session->replaygain.spec.use_album_gain? "track":"album");
} }
else { else {
const char *ls[] = { "no", "peak", "hard" }; const char *ls[] = { "no", "peak", "hard" };

2
src/plugin_winamp2/playback.c
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@@ -77,7 +77,7 @@ static void metadata_callback(const FLAC__FileDecoder *decoder, const FLAC__Stre
else if (metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) else if (metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
{ {
double gain, peak; double gain, peak;
if (grabbag__replaygain_load_from_vorbiscomment(metadata, cfg.replaygain.album_mode, &gain, &peak)) if (grabbag__replaygain_load_from_vorbiscomment(metadata, cfg.replaygain.album_mode, /*strict=*/false, &gain, &peak))
{ {
file_info->has_replaygain = true; file_info->has_replaygain = true;
file_info->replay_scale = grabbag__replaygain_compute_scale_factor(peak, gain, (double)cfg.replaygain.preamp, !cfg.replaygain.hard_limit); file_info->replay_scale = grabbag__replaygain_compute_scale_factor(peak, gain, (double)cfg.replaygain.preamp, !cfg.replaygain.hard_limit);

2
src/plugin_xmms/plugin.c
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@@ -798,7 +798,7 @@ void metadata_callback_(const void *decoder, const FLAC__StreamMetadata *metadat
} }
else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
double gain, peak; double gain, peak;
if(grabbag__replaygain_load_from_vorbiscomment(metadata, flac_cfg.output.replaygain.album_mode, &gain, &peak)) { if(grabbag__replaygain_load_from_vorbiscomment(metadata, flac_cfg.output.replaygain.album_mode, /*strict=*/false, &gain, &peak)) {
file_info->has_replaygain = true; file_info->has_replaygain = true;
file_info->replay_scale = grabbag__replaygain_compute_scale_factor(peak, gain, (double)flac_cfg.output.replaygain.preamp, /*prevent_clipping=*/!flac_cfg.output.replaygain.hard_limit); file_info->replay_scale = grabbag__replaygain_compute_scale_factor(peak, gain, (double)flac_cfg.output.replaygain.preamp, /*prevent_clipping=*/!flac_cfg.output.replaygain.hard_limit);
} }

10
src/share/grabbag/replaygain.c
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@@ -581,7 +581,7 @@ static FLAC__bool parse_double_(const FLAC__StreamMetadata_VorbisComment_Entry *
return true; return true;
} }
FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, double *gain, double *peak) FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, FLAC__bool strict, double *gain, double *peak)
{ {
int gain_offset, peak_offset; int gain_offset, peak_offset;
@@ -589,14 +589,14 @@ FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadat
FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
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)))) 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))))
return false; return !strict && grabbag__replaygain_load_from_vorbiscomment(block, !album_mode, /*strict=*/true, gain, peak);
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)))) 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))))
return false; return !strict && grabbag__replaygain_load_from_vorbiscomment(block, !album_mode, /*strict=*/true, gain, peak);
if(!parse_double_(block->data.vorbis_comment.comments + gain_offset, gain)) if(!parse_double_(block->data.vorbis_comment.comments + gain_offset, gain))
return false; return !strict && grabbag__replaygain_load_from_vorbiscomment(block, !album_mode, /*strict=*/true, gain, peak);
if(!parse_double_(block->data.vorbis_comment.comments + peak_offset, peak)) if(!parse_double_(block->data.vorbis_comment.comments + peak_offset, peak))
return false; return !strict && grabbag__replaygain_load_from_vorbiscomment(block, !album_mode, /*strict=*/true, gain, peak);
return true; return true;
} }