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asfdec: check stream_index for validity 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-03 05:58:12 +01:00
parent e5927910c2
commit b7280cff9a
1 changed files with 1 additions and 1 deletions
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2
libavformat/asfdec.c
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@ -975,7 +975,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){
case 0x54:
aspect.num = avio_r8(pb);
aspect.den = avio_r8(pb);
if (aspect.num > 0 && aspect.den > 0) {
if (aspect.num > 0 && aspect.den > 0 && asf->stream_index >= 0) {
s->streams[asf->stream_index]->sample_aspect_ratio = aspect;
}
break;