[XviD-devel] Multithreaded encode

[Christoph Lampert]

On Fri, 20 Dec 2002, suxen_drol wrote:

> 
> On Thu, 5 Dec 2002 14:11:35 +0100 (CET) Christoph Lampert <chl@math.uni-bonn.de> wrote:
> > 
> > Can any of you tell me the latest results when using the  
> > fixed quant 2 file from first pass as input for second pass? 

> its already implemented in the xvid vfw gui.
> this method of encoding is generally used to improve speed. it is
> quicker to decode mpeg-4 than decode/resize/filter mpeg-2, but there is
> some minor visual quality loss.

Quality loss compared to what? Or, with other words, is this a _visible_
loss or just lower PSNR? 

Because most people would consider a perfect reproduction of the quant 2
file just as good as a perfect reproduction of the original, even though
PSNR would differ.


gruel