[MPlayer-users] re-using divx2pass.log with different bitrate?

[Loren Merritt]

On Wed, 29 Mar 2006, RC wrote:

> On Wed, 29 Mar 2006 09:45:18 +0200
> vitko <vitk0 at seznam.cz> wrote:
>
>> Is it safe to re-use pass 1 results (divx2pass.log) for
>> second pass with different bitrate?
>
> Usually so, provided it's not a vastly different bitrate.  If it is,
> mencoder will usually crash at the very end of the video, and you'll
> have to re-build the index to use that file.
>
> Also, if you aren't already, use "turbo" to speed-up the first-pass.

Why crash? If the bitrates are very different, it might abort at the 
beginning, saying "bitrate failed to converge" or something. But a crash 
would be a bug, not just a property of the ratecontrol algorithm.

--Loren Merritt