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check that duration is set to avoid fpe 

Originally committed as revision 20457 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-11-05 07:17:10 +00:00
parent 507330b9d3
commit fedb1eca07
1 changed files with 2 additions and 1 deletions
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3
libavformat/mov.c
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@ -1500,7 +1500,8 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
}
}
}
st->codec->bit_rate = stream_size*8*sc->time_scale/st->duration;
if (st->duration > 0)
st->codec->bit_rate = stream_size*8*sc->time_scale/st->duration;
} else {
for (i = 0; i < sc->chunk_count; i++) {
unsigned chunk_samples;