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ffmpeg: factor tag_type <-> ffmpeg tag name maps into a table.

This commit is contained in:
Anton Khirnov 2010-07-10 13:14:23 +02:00 committed by Max Kellermann
parent 002b283433
commit 1492324c76
1 changed files with 32 additions and 21 deletions
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53
src/decoder/ffmpeg_decoder_plugin.c
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@ -382,16 +382,43 @@ ffmpeg_decode(struct decoder *decoder, struct input_stream *input)
}
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
typedef struct ffmpeg_tag_map {
enum tag_type type;
const char *name;
} ffmpeg_tag_map;
static const ffmpeg_tag_map ffmpeg_tag_maps[] = {
{ TAG_TITLE, "title" },
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(50<<8))
{ TAG_ARTIST, "artist" },
{ TAG_DATE, "date" },
#else
{ TAG_ARTIST, "author" },
{ TAG_DATE, "year" },
#endif
{ TAG_ALBUM, "album" },
{ TAG_COMMENT, "comment" },
{ TAG_GENRE, "genre" },
{ TAG_TRACK, "track" },
{ TAG_ARTIST_SORT, "author-sort" },
{ TAG_ALBUM_ARTIST, "album_artist" },
{ TAG_ALBUM_ARTIST_SORT, "album_artist-sort" },
{ TAG_COMPOSER, "composer" },
{ TAG_PERFORMER, "performer" },
{ TAG_DISC, "disc" },
};
static bool
ffmpeg_copy_metadata(struct tag *tag, AVMetadata *m,
enum tag_type type, const char *name)
const ffmpeg_tag_map tag_map)
{
AVMetadataTag *mt = NULL;
while ((mt = av_metadata_get(m, name, mt, 0)) != NULL)
tag_add_item(tag, type, mt->value);
while ((mt = av_metadata_get(m, tag_map.name, mt, 0)) != NULL)
tag_add_item(tag, tag_map.type, mt->value);
return mt != NULL;
}
#endif
//no tag reading in ffmpeg, check if playable
@ -425,24 +452,8 @@ ffmpeg_stream_tag(struct input_stream *is)
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(31<<8)+0)
av_metadata_conv(f, NULL, f->iformat->metadata_conv);
ffmpeg_copy_metadata(tag, f->metadata, TAG_TITLE, "title");
#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(50<<8))
ffmpeg_copy_metadata(tag, f->metadata, TAG_ARTIST, "artist");
ffmpeg_copy_metadata(tag, f->metadata, TAG_DATE, "date");
#else
ffmpeg_copy_metadata(tag, f->metadata, TAG_ARTIST, "author");
ffmpeg_copy_metadata(tag, f->metadata, TAG_DATE, "year");
#endif
ffmpeg_copy_metadata(tag, f->metadata, TAG_ALBUM, "album");
ffmpeg_copy_metadata(tag, f->metadata, TAG_COMMENT, "comment");
ffmpeg_copy_metadata(tag, f->metadata, TAG_GENRE, "genre");
ffmpeg_copy_metadata(tag, f->metadata, TAG_TRACK, "track");
ffmpeg_copy_metadata(tag, f->metadata, TAG_ARTIST_SORT, "author-sort");
ffmpeg_copy_metadata(tag, f->metadata, TAG_ALBUM_ARTIST, "album_artist");
ffmpeg_copy_metadata(tag, f->metadata, TAG_ALBUM_ARTIST_SORT, "album_artist-sort");
ffmpeg_copy_metadata(tag, f->metadata, TAG_COMPOSER, "composer");
ffmpeg_copy_metadata(tag, f->metadata, TAG_PERFORMER, "performer");
ffmpeg_copy_metadata(tag, f->metadata, TAG_DISC, "disc");
for (unsigned i = 0; i < sizeof(ffmpeg_tag_maps)/sizeof(ffmpeg_tag_map); i++)
ffmpeg_copy_metadata(tag, f->metadata, ffmpeg_tag_maps[i]);
#else
if (f->author[0])
tag_add_item(tag, TAG_ARTIST, f->author);