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mov: Refactor subtitle specific parsing in mov_parse_stsd_subtitle

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This commit is contained in:
Luca Barbato 2013-08-22 15:05:27 +02:00
parent ef196beeb5
commit dc518a3ae2
1 changed files with 17 additions and 8 deletions
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25
libavformat/mov.c
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@ -1292,6 +1292,20 @@ static void mov_parse_stsd_audio(MOVContext *c, AVIOContext *pb,
}
}
static void mov_parse_stsd_subtitle(MOVContext *c, AVIOContext *pb,
AVStream *st, MOVStreamContext *sc,
int size)
{
// ttxt stsd contains display flags, justification, background
// color, fonts, and default styles, so fake an atom to read it
MOVAtom fake_atom = { .size = size };
// mp4s contains a regular esds atom
if (st->codec->codec_tag != AV_RL32("mp4s"))
mov_read_glbl(c, pb, fake_atom);
st->codec->width = sc->width;
st->codec->height = sc->height;
}
int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
{
AVStream *st;
@ -1355,14 +1369,9 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
st->codec->codec_id = id;
mov_parse_stsd_audio(c, pb, st, sc);
} else if (st->codec->codec_type==AVMEDIA_TYPE_SUBTITLE){
// ttxt stsd contains display flags, justification, background
// color, fonts, and default styles, so fake an atom to read it
MOVAtom fake_atom = { .size = size - (avio_tell(pb) - start_pos) };
if (format != AV_RL32("mp4s")) // mp4s contains a regular esds atom
mov_read_glbl(c, pb, fake_atom);
st->codec->codec_id= id;
st->codec->width = sc->width;
st->codec->height = sc->height;
st->codec->codec_id = id;
mov_parse_stsd_subtitle(c, pb, st, sc,
size - (avio_tell(pb) - start_pos));
} else {
/* other codec type, just skip (rtp, mp4s, tmcd ...) */
avio_skip(pb, size - (avio_tell(pb) - start_pos));