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lavf/mov: add AVCodecTag entry for GoPro metadata

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This allows for validation of the track type

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
John Stebbins 2018-08-27 12:57:07 -07:00 committed by James Almer
parent 6e15495bcb
commit c9a992d931
3 changed files with 9 additions and 0 deletions
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5
libavformat/isom.c
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@ -374,6 +374,11 @@ const AVCodecTag ff_codec_movsubtitle_tags[] = {
{ AV_CODEC_ID_NONE, 0 },
};
const AVCodecTag ff_codec_movdata_tags[] = {
{ AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
{ AV_CODEC_ID_NONE, 0 },
};
/* map numeric codes from mdhd atom to ISO 639 */
/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
/* http://developer.apple.com/documentation/mac/Text/Text-368.html */

1
libavformat/isom.h
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@ -41,6 +41,7 @@ extern const AVCodecTag ff_mp4_obj_type[];
extern const AVCodecTag ff_codec_movvideo_tags[];
extern const AVCodecTag ff_codec_movaudio_tags[];
extern const AVCodecTag ff_codec_movsubtitle_tags[];
extern const AVCodecTag ff_codec_movdata_tags[];
int ff_mov_iso639_to_lang(const char lang[4], int mp4);
int ff_mov_lang_to_iso639(unsigned code, char to[4]);

3
libavformat/mov.c
View File

@ -2034,6 +2034,8 @@ static int mov_codec_id(AVStream *st, uint32_t format)
id = ff_codec_get_id(ff_codec_movsubtitle_tags, format);
if (id > 0)
st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
else
id = ff_codec_get_id(ff_codec_movdata_tags, format);
}
}
@ -2507,6 +2509,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
mov_parse_stsd_subtitle(c, pb, st, sc,
size - (avio_tell(pb) - start_pos));
} else {
st->codecpar->codec_id = id;
ret = mov_parse_stsd_data(c, pb, st, sc,
size - (avio_tell(pb) - start_pos));
if (ret < 0)