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fix r_frame_rate detection in mpeg4 streams with non integer fps

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Originally committed as revision 6544 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-10-03 19:13:27 +00:00
parent 7f778ed111
commit 5523d5f41e
1 changed files with 8 additions and 3 deletions
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11
libavformat/utils.c
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@ -1961,10 +1961,15 @@ int av_find_stream_info(AVFormatContext *ic)
}
}
/* if no real frame rate, use the codec one */
if (!st->r_frame_rate.num){
st->r_frame_rate.num = st->codec->time_base.den;
st->r_frame_rate.den = st->codec->time_base.num;
if( st->codec->time_base.den * (int64_t)st->time_base.num
<= st->codec->time_base.num * (int64_t)st->time_base.den){
st->r_frame_rate.num = st->codec->time_base.den;
st->r_frame_rate.den = st->codec->time_base.num;
}else{
st->r_frame_rate.num = st->time_base.den;
st->r_frame_rate.den = st->time_base.num;
}
}
}
}