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avformat/mov: fix avg_frame_rate calculation 

Fixes integer overflow
Fixes Ticket3390

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-16 19:05:49 +01:00
parent b4d308c04f
commit 05e9e3342f
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@ -3419,7 +3419,7 @@ static int mov_read_header(AVFormatContext *s)
}
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && sc->nb_frames_for_fps > 0 && sc->duration_for_fps > 0)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
sc->time_scale*sc->nb_frames_for_fps, sc->duration_for_fps, INT_MAX);
sc->time_scale*(int64_t)sc->nb_frames_for_fps, sc->duration_for_fps, INT_MAX);
}
if (mov->trex_data) {