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Force correct extradata for AVID AVCI50 in mov.

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Fixes ticket #2106.

Reviewed-by: Kieran Kunhya
This commit is contained in:
Carl Eugen Hoyos 2013-07-09 10:19:21 +02:00
parent 3c5071db88
commit 9a1ec1f2f2
1 changed files with 17 additions and 1 deletions
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18
libavformat/mov.c
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@ -1014,6 +1014,22 @@ static int mov_read_avid(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return mov_read_extradata(c, pb, atom, AV_CODEC_ID_AVUI);
}
static int mov_read_ares(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVCodecContext *codec = c->fc->streams[c->fc->nb_streams-1]->codec;
if (codec->codec_tag == MKTAG('A', 'V', 'i', 'n') &&
codec->codec_id == AV_CODEC_ID_H264 &&
atom.size > 11) {
avio_skip(pb, 10);
/* For AVID AVCI50, force width of 1440 to be able to select the correct SPS and PPS */
if (avio_rb16(pb) == 0xd4d)
codec->width = 1440;
return 0;
}
return mov_read_avid(c, pb, atom);
}
static int mov_read_svq3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
return mov_read_extradata(c, pb, atom, AV_CODEC_ID_SVQ3);
@ -2801,7 +2817,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
{ MKTAG('A','C','L','R'), mov_read_avid },
{ MKTAG('A','P','R','G'), mov_read_avid },
{ MKTAG('A','A','L','P'), mov_read_avid },
{ MKTAG('A','R','E','S'), mov_read_avid },
{ MKTAG('A','R','E','S'), mov_read_ares },
{ MKTAG('a','v','s','s'), mov_read_avss },
{ MKTAG('c','h','p','l'), mov_read_chpl },
{ MKTAG('c','o','6','4'), mov_read_stco },