[MEncoder-users] lavc or xvid

[Vladimir Mosgalin]

Hi RC!

 On 2007.09.02 at 17:36:53 -0700, RC wrote next:

> > xvid is looking better now, but at 800kbit rate it is only 1/2 the
> > size of the  original, were as lavc is much better.
> 
> Obviously it's not a fair comparison if the Xvid files are ending up
> larger.  You'll have to increase the lavc bitrate until they're the same
> size to fairly compare quality (mencoder should report the average
> bitrate of the Xvid file at the end of encoding).

It wouldn't be fair to xvid then ;) xvid is trying to reduce quality as
much as possible _for all frames_ and still can't get desired bitrate
due to max_quant constraints, which completely messes up its
ratecontrol. These options were meant for higher bitrates.

-- 

Vladimir