[MEncoder-users] NTSC VOB issues

[Dominik 'Rathann' Mierzejewski]

On Wednesday, 05 January 2005 at 01:44, Phil Ehrens wrote:
> raregister at comcast.net wrote:
> > Hey folks first post but not a total newbie.
> > 
> > I've gotten mencoder to work but I've got a small problem w/my encoding.
> > 
> > if I don't use -noskip the video syncs nicely when I mux it through VirtualdubMod  w/its AC3 file, but the film is... jerky.
> > 
> > When I use -noskip the jerkiness is GONE, the films is nice and smooth, but the framerate goes wacky.
> > 
> > ..... so I've played with -ofps and it works IF the frame rate in the vob doesn't change.
> > 
> > The problem is that on some movies it jumps from 29.97 at the begining to 23.97 for the full movie.
> > 
> > That of course blows my sync right out of the water.
> > 
> > Any tips/thoughts would be MUCH appreciated.
> 
> Hmm... I just do this, and the changing frame rate is handled
> automagically by mencoder:
> 
>  mencoder -oac copy \
>           -ovc lavc \
>           -lavcopts vcodec=mpeg4:mbd=2:qprd:v4mv:vqscale=2:trell:vbitrate=2400 \

Are you getting better results with qprd then without?

>           -ofps 23.976 \

FYI: this should be 24000/1001 (or 30000/1001 for "29.97").

R.

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