diff --git a/libavformat/utils.c b/libavformat/utils.c index e859ad21c7..c4d09e99ac 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -4325,10 +4325,16 @@ AVRational av_guess_sample_aspect_ratio(AVFormatContext *format, AVStream *strea AVRational av_guess_frame_rate(AVFormatContext *format, AVStream *st, AVFrame *frame) { AVRational fr = st->r_frame_rate; + AVRational codec_fr = av_inv_q(st->codec->time_base); + AVRational avg_fr = st->avg_frame_rate; + + if (avg_fr.num > 0 && avg_fr.den > 0 && fr.num > 0 && fr.den > 0 && + av_q2d(avg_fr) < 70 && av_q2d(fr) > 210) { + fr = avg_fr; + } + if (st->codec->ticks_per_frame > 1) { - AVRational codec_fr = av_inv_q(st->codec->time_base); - AVRational avg_fr = st->avg_frame_rate; codec_fr.den *= st->codec->ticks_per_frame; if ( codec_fr.num > 0 && codec_fr.den > 0 && av_q2d(codec_fr) < av_q2d(fr)*0.7 && fabs(1.0 - av_q2d(av_div_q(avg_fr, fr))) > 0.1)