[MEncoder-users] x264 2-pass, FAAC, smearing

RC cooleyr at gmail.com
Thu Jan 15 07:57:14 CET 2009


On Thu, 15 Jan 2009 02:51:30 +0200
GM <errgrr at gmail.com> wrote:

> What instantly solves the problem is using:
> 
> 1st pass: mencoder -ovc x264 -oac faac
> 2nd pass: mencoder -ovc x264 -oac faac
> 
> But this way you encode the audio _twice_

It's not a bug, it's just inherently how MEncoder works.  It's been
mentioned over and over again, and there are plenty of notes in the docs
that you simply do not change your command line between pass 1 and 2,
unless you want problems.

The performance difference between using faac, versus -oac copy on the
first pass, are likely quite insignificant.  And if it was a problem,
you could do -oac copy twice, then run mencoder on the output file,
encoding audio to whatever you want, while copying video.

-- 
Don't trust me! I'm wrong!



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