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r3d: fix division by 0 with 0 sample rate

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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 2013-01-29 16:57:22 +01:00
parent 3cd9849d9c
commit df92ac1852
1 changed files with 2 additions and 1 deletions
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libavformat/r3d.c
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@ -312,7 +312,8 @@ static int r3d_read_reda(AVFormatContext *s, AVPacket *pkt, Atom *atom)
pkt->stream_index = 1;
pkt->dts = dts;
pkt->duration = av_rescale(samples, st->time_base.den, st->codec->sample_rate);
if (st->codec->sample_rate)
pkt->duration = av_rescale(samples, st->time_base.den, st->codec->sample_rate);
av_dlog(s, "pkt dts %"PRId64" duration %d samples %d sample rate %d\n",
pkt->dts, pkt->duration, samples, st->codec->sample_rate);