av_gcd_q          144 libavfilter/framesync.c                     fs->time_base = av_gcd_q(fs->time_base, fs->in[i].time_base,
av_gcd_q          100 libavfilter/vf_untile.c     outlink->time_base = av_gcd_q(inlink->time_base, dt, AV_TIME_BASE / 2, AV_TIME_BASE_Q);
av_gcd_q          214 libavutil/rational.h AVRational av_gcd_q(AVRational a, AVRational b, int max_den, AVRational def);