[MEncoder-users] issues for time-lapse video encoding

[RC]

On Tue, 19 May 2009 09:24:25 -0400
Hugh Secker-Walker <hsw at hodain.net> wrote:

> Yes, CPU usage is almost nil during the initial capture.  My newbie
> understanding is that the encoder can do a better job of allocating
> bits to frames if it gets to see the stats from the first pass before
> it does its heavy-duty compression work on the second pass. 

You'll probably lose more in the two-step process than you'll gain by
doing two-pass encoding.

With x264, CRF will work nearly as well.

With lavc codecs, single-pass works pretty well with vratetol or
vqcomp/vqblur set appropriately.  vqscale doesn't do too badly, either.


> > vqscale
> 
> Ah, that's from mencoder.  

-qscale then.


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