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Code Issues Releases Activity

ffmpeg: Fix division by 0 due to invalid timebase

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-02-28 18:41:01 +01:00
parent 539a8469ae
commit ddd86a2924
1 changed files with 1 additions and 1 deletions
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ffmpeg.c
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@ -2269,7 +2269,7 @@ static int output_packet(InputStream *ist,
ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
if (avpkt.duration) {
duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
} else if(ist->st->codec->time_base.num != 0) {
} else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
duration = ((int64_t)AV_TIME_BASE *
ist->st->codec->time_base.num * ticks) /