[MPlayer-users] Re: mencoder bitrate error problem

[Angel]

> cat vob/001/*vob | nice -19 mencoder -oac copy -o startrek0.avi -ovc lavc 
> -lavcopts vcodec=mpeg4:vbitrate=1411:vhq:vpass=1:vqmin=2:vqmax=31 -vop pp -

I don't know if this will help your bitrate problem but at least for me... 
every dvd I've encoded needed to at the least be deinterlaced and most have 
needed to be inverse telecined. You might try pp=lb and possibly -ofps 
23.976.

-Angel