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asfdec: parse aspect ratio payload extension

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 343c73e252)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-11-03 05:38:12 +01:00
committed by Carl Eugen Hoyos
parent 19de5478f0
commit 08d75bf545
1 changed files with 8 additions and 0 deletions
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8
libavformat/asfdec.c
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@@ -946,6 +946,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){
}
if (asf->packet_replic_size >= 8) {
int64_t end = avio_tell(pb) + asf->packet_replic_size;
AVRational aspect;
asf->packet_obj_size = avio_rl32(pb);
if(asf->packet_obj_size >= (1<<24) || asf->packet_obj_size <= 0){
av_log(s, AV_LOG_ERROR, "packet_obj_size invalid\n");
@@ -968,6 +969,13 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){
case 0x50:
// duration = avio_rl16(pb);
break;
case 0x54:
aspect.num = avio_r8(pb);
aspect.den = avio_r8(pb);
if (aspect.num > 0 && aspect.den > 0) {
s->streams[asf->stream_index]->sample_aspect_ratio = aspect;
}
break;
case 0x2A:
avio_skip(pb, 8);
ts0= avio_rl64(pb);