[MPlayer-users] 2 pass encoding / encode sound twice?

[D Richard Felker III]

On Mon, Apr 19, 2004 at 08:34:31AM +0200, Kövesdi György wrote:
> I am using it for a long while with -nosound option without any A/V sync 
> problem.

The problem you'll get isn't A/V desync. The problem is that the 2pass
stats will be WRONG, which will defeat the purpose of doing 2pass.

Rich

> 
> > I've been getting better results, as one would expect, with two pass
> > encoding.  I have been using the exact same options for both passes,
> > including -oac mp3lame -lameopts preset=standard.  Because I don't
> > know whether divx2pass.log keeps a/v sync information, I don't know
> > whether this must be done, or whether I could use -oac copy or
> > perhaps even -nosound on the first pass from which the output goes to
> > /dev/null anyway. this, I assume would cut down on encoding time for
> > the first pass since it wouldn't be encoding audio.  Does
> > divx2pass.log keep a/v sync info?  or just info to help encode better
> > video on the 2nd pass?  Do I need to encode audio twice?
> >
> > Aaron
> >
> > _______________________________________________
> > MPlayer-users mailing list
> > MPlayer-users at mplayerhq.hu
> > http://mplayerhq.hu/mailman/listinfo/mplayer-users
> 
> _______________________________________________
> MPlayer-users mailing list
> MPlayer-users at mplayerhq.hu
> http://mplayerhq.hu/mailman/listinfo/mplayer-users