[MPlayer-users] Audio/video sync... again

Vidar Wahlberg canidae at exent.net
Mon Nov 10 05:29:18 CET 2003


> > Encode from vob with -nosound, then get sound from vob with mplayer,
>   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> This is definitely a problem. Using -nosound will ruin A/V sync. Even
> if you intend to throw away the audio, you MUST enable audio while
> encoding. Either use -oac copy or -oac pcm.

This is neither my primary choice when encoding. It was meant as a test,
but I quickly stepped away from it.

> It sounds to me like your DVD might just be strange, but I'm not sure
> why mencoder doesn't correct sync. Have you tried starting the encode
> somewhere other than the beginning of the DVD (with -ss or -chapter)
> to see if sync is still broken?

I do not think it is my DVD that is a bit strange, because then it would
mean all the DVD's I've ripped is a bit strange (11 Futurama DVD's & 3
Star Trek DVD's). As I said earlier the sync is correct when playing the
DVD's with mplayer.
When I didn't get the audio right at first I started encoding only a
chapter at a time, so I've used the -chapter option quite often, but
without success. Still the same desync as when encoding the entire
title.
The desync is also the same at the beginning of the file and the end of
the file.


-- 
Regards,
Vidar Wahlberg



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