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authorMichael Niedermayer <michaelni@gmx.at>2014-10-08 20:23:40 +0200
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2014-11-01 17:39:56 +0100
commit1abb0e563918ffec4c76c12e23f1a0647062a0fe (patch)
treeef93d8c804da8f30f723cae01e27aa5c94594b35
parente5cf4d16c60e438ba027947645a1d0a732b49257 (diff)
downloadffmpeg-1abb0e563918ffec4c76c12e23f1a0647062a0fe.tar.gz
avformat/matroskadec: do not trust the default duration to be the real 1/timebase if its less than 5fps
Fixes Ticket3980 Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit be695ee389724d713e1b8a61ef899fe1795193ce)
-rw-r--r--libavformat/matroskadec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 1d0f1b2eb5..767fa5e0a0 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1785,7 +1785,8 @@ 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
- if (st->avg_frame_rate.num < st->avg_frame_rate.den * 1000L)
+ if ( st->avg_frame_rate.num < st->avg_frame_rate.den * 1000L
+ && st->avg_frame_rate.num > st->avg_frame_rate.den * 5L)
st->r_frame_rate = st->avg_frame_rate;
#endif
}