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avformat/dump: Fix integer overflow in aspect ratio calculation

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Fixes: unknown_unknown_19e_414_cov_764838672_bellhamlam.mov

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d1bdaf3fb2)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-09-03 02:49:44 +02:00
parent 93f5d0c536
commit 9bbe777f8f
1 changed files with 2 additions and 2 deletions
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4
libavformat/dump.c
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@ -371,8 +371,8 @@ static void dump_stream_format(AVFormatContext *ic, int i,
av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {
AVRational display_aspect_ratio;
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
st->codec->width * st->sample_aspect_ratio.num,
st->codec->height * st->sample_aspect_ratio.den,
st->codec->width * (int64_t)st->sample_aspect_ratio.num,
st->codec->height * (int64_t)st->sample_aspect_ratio.den,
1024 * 1024);
av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d",
st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,