[XviD-devel] Multithreaded encode

[suxen_drol]

On Thu, 5 Dec 2002 14:11:35 +0100 (CET) Christoph Lampert <chl@math.uni-bonn.de> wrote:

> 
> Hi,
> 
> I haven't heard anything about this for quite a while, but if I
> remember correctly, some people tested this:
> 
> Can any of you tell me the latest results when using the  
> fixed quant 2 file from first pass as input for second pass? 
> 
> Not the motion vectors, just the AVI as input material instead of the
> original source (which might not be present anymore).
> 
> I though of using this for a "capture" two-pass mode: Encode with fixed
> quant, and when done, restart for a second pass (which could be
> multithreaded, the first pass could not). But since the source is gone,
> use the first pass AVI as input. After second pass, throw away the fixed
> quant AVI. 

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.

-- pete; life is like a box of ammo