[MPlayer-users] two pass encoding and audio only in 2nd pass?

[Nico Sabbi]

Il Thursday 01 November 2007 20:45:52 Malte Gell ha scritto:
> Hello,
>
> I read somewhere, that when doing a two pass encoding using
> mencoder in the first pass you can skip audio encoding or use -oac
> copy and do the audio encoding in the second pass, e.g. -oac
> mp3lame.
>
> Is this true and safe to do?
>

it's unsafe: always do the same things in both passes or mencoder
may choose to drop or duplicate different frames (if necessary)
in the two different phases