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

Kövesdi György gyorgy.kovesdi at siemens.com
Mon Apr 19 08:34:31 CEST 2004

I am using it for a long while with -nosound option without any A/V sync 

> 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
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