[MEncoder-users] NTSC VOB issues

[raregister at comcast.net]

> 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 \
>           -ofps 23.976 \
>           -alang zh \
>           -sid 0 \
>           -o belching-tiger.avi dvd://1
> 
> Belching Tiger changed frame rate several times ;^)
> 
> You may not need the -alang and -sid options...
> 
> Two-pass version of same is here:
> 
> http://inferno.slug.org/cgi-bin/wiki?DvdToAvi
> 
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Using lavcopts, it syncs nicely, no complaints, but the Xvid quality is SOOO much higher that I'd MUCH rather use that.

Still having the -noskip issue w/framerate and sync.

For you xvid/win32 users out there, am I missing something simple?

Thanks again for any and all help

Rob