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avformat/matroskadec: only set r_frame_rate if the value is within reasonable limits

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Fixes Ticket2451

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-06 00:07:28 +02:00
parent 746e3142ee
commit 6853e40106
1 changed files with 2 additions and 1 deletions
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3
libavformat/matroskadec.c
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@ -1847,7 +1847,8 @@ static int matroska_read_header(AVFormatContext *s)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
1000000000, track->default_duration, 30000);
#if FF_API_R_FRAME_RATE
st->r_frame_rate = st->avg_frame_rate;
if (st->avg_frame_rate.num < st->avg_frame_rate.den * 1000L)
st->r_frame_rate = st->avg_frame_rate;
#endif
}