Fixes division by 0
Fixes: asan_heap-uaf_143f420_728_cov_1441472032_HDV_0113.MP4
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
}
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (!st->sample_aspect_ratio.num &&
+ if (!st->sample_aspect_ratio.num && st->codec->width && st->codec->height &&
+ sc->height && sc->width &&
(st->codec->width != sc->width || st->codec->height != sc->height)) {
st->sample_aspect_ratio = av_d2q(((double)st->codec->height * sc->width) /
((double)st->codec->width * sc->height), INT_MAX);