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avidec: XMPG support

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-01-13 05:56:20 +01:00
parent 83b12c16af
commit b26f0ee39f
2 changed files with 24 additions and 0 deletions
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23
libavformat/avidec.c
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@ -698,6 +698,29 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
}
}
break;
case MKTAG('s', 't', 'r', 'd'):
if (stream_index >= (unsigned)s->nb_streams || st->codec->extradata_size) {
avio_skip(pb, size);
} else {
uint64_t cur_pos = avio_tell(pb);
if (cur_pos < list_end)
size = FFMIN(size, list_end - cur_pos);
st = s->streams[stream_index];
if(size<(1<<30)){
st->codec->extradata_size= size;
st->codec->extradata= av_malloc(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata) {
st->codec->extradata_size= 0;
return AVERROR(ENOMEM);
}
avio_read(pb, st->codec->extradata, st->codec->extradata_size);
}
if(st->codec->extradata_size & 1) //FIXME check if the encoder really did this correctly
avio_r8(pb);
}
break;
case MKTAG('i', 'n', 'd', 'x'):
i= avio_tell(pb);
if(pb->seekable && !(s->flags & AVFMT_FLAG_IGNIDX) && avi->use_odml &&

1
libavformat/riff.c
View File

@ -135,6 +135,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
{ CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
{ CODEC_ID_MPEG1VIDEO, MKTAG('X', 'M', 'P', 'G') }, /* Xing MPEG intra only */
{ CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
{ CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
{ CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },