asfdec: check stream_index for validity

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b7280cff9a)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-11-03 05:58:12 +01:00
committed by Carl Eugen Hoyos
parent e432bd071c
commit 41bcde6021

View File

@@ -972,7 +972,7 @@ 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;