On Thu, 22 Jul 2004 22:45:18 +0900 Attila Kinali <attila at kinali.ch> wrote: > And where is the difference to -fps ? > I thougt that for simple playback -fps does the same as -ofps for > mencoder. No. -fps will loose sync because it plays every frame, just at a different rate. -ofps skips/duplicates frames to maintain sync.