From 09f75b5b38c19ce98447f5a86e3c7985d8d7e7ce Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 6 May 2005 21:11:38 +0000 Subject: division by zero fix Originally committed as revision 4191 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavformat') diff --git a/libavformat/utils.c b/libavformat/utils.c index 21fd82528c..bf3330d066 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -1841,12 +1841,12 @@ int av_find_stream_info(AVFormatContext *ic) if(st->codec.codec_id == CODEC_ID_RAWVIDEO && !st->codec.codec_tag && !st->codec.bits_per_sample) st->codec.codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec.pix_fmt); - if(best_duration[i] < INT64_MAX && st->codec.time_base.num*1000 <= st->codec.time_base.den){ + if(best_duration[i] < INT64_MAX && st->codec.time_base.num*1000 <= st->codec.time_base.den && + st->time_base.num*best_duration[i]*1000LL > st->time_base.den){ int int_fps; st->r_frame_rate.num= st->time_base.den; st->r_frame_rate.den= st->time_base.num*best_duration[i]; - av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, st->r_frame_rate.num, st->r_frame_rate.den, 1<<15); int_fps= av_rescale(st->r_frame_rate.num, 1, st->r_frame_rate.den); // 1/0 -- cgit v1.2.3