[MPlayer-users] Re: mencoder incorrect fps

[Jonas Jermann]

On Wed, Apr 23, 2003 at 02:07:10PM -0500, Jason Pepas wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> ok, after playing around with it a little more, I have more information on 
> what is going on, but I still don't know why.
> 
> mplayer -dvd 1 -fps 29.97
> correct playback
> 
> mplayer -dvd 1 -fps 23.976
> incorrect - video lags behind the audio.
> 
> so the dvd appears to actually be 29.97 fps (its the sopranos season 1 dvd)
> 
> mencoder -dvd 1 -fps 29.97 -ofps 29.97
> produces a constant stream of "duplicate frames" errors.
> 
> mencoder -dvd 1 -fps 23.976 -ofps 23.976
> produces a constant stream of "duplicate frames" errors.
> 
> mencoder -dvd 1 -fps 29.97 -ofps 23.976
> correct.

mencoder -dvd 1 -ofps 23.976 should be enough...
You could try -vf detc or -vop vf ivct too...

Regards
    Jonas