[MPlayer-users] Re: mencoder crash/fail with some DVDs/VOBs

[Jonathan Rogers]

Julian Mayer wrote:
> some DVDs (and therefore VOB files ripped from these DVDs) don't work  
> at all with mencoder.
> (i'm using Mac OS X 10.2.6 on a Dual G4 533)
> i'm doing normal 3-pass encoding:
> mencoder MENCODER.VOB -ovc frameno -o frameno.avi -oac mp3lame  
> -lameopts vbr=3
> mencoder MENCODER.VOB -ovc lavc -lavcopts vcodec=mpeg4:vpass=1 -oac  
> copy -o /dev/null
> mencoder MENCODER.VOB -endpos 10 -ovc lavc -lavcopts  
> vcodec=mpeg4:vpass=2 -oac copy -o movie.avi
> 
> but the second pass reports:
> Video stream:      NaN kbit/s  (-2147483648 bps)  size: 0 bytes  0.000  
> secs  135 frames
> and the third pass crashes mencoder. the resulting movie is just 8KB  
> and of course can't be played.
> i don't think i'm doing something wrong here. i've uploaded a sample  
> VOB that produces these results to
> ftp://mplayerhq.hu/MPlayer/incoming/MENCODER.VOB
> and a copy of this report to
> ftp://mplayerhq.hu/MPlayer/incoming/MENCODER.TXT
> i've verivied this with
> MEncoder 0.90-CVS-030630-20:09-3.3
> and
> MEncoder dev-CVS-030621-18:34-3.1
> any chance this will be fixed?
> thanks, julian

I've had a very similar problem with one or two DVDs recently on x86 
GNU/Linux. I've worked around it by using -endpos to stop a second or 
two early, but it's quite annoying.

Jonathan Rogers