[MPlayer-users] Comment on menconder on multiprocessors.

[gabor]

On Fri, 2003-01-24 at 17:24, gabor wrote:
> > 
> > Just out of curiosity, what kind of global consolidation is done with the data 
> > collected by pass=1?
> 
> a very non formal and probably not 100% correct answer:
> in pass 1, for every frame mencoder saves the complexity of the frame..
> 
> in pass2 :
> 	-more complex frames can be less compressed => for a complicated frame
> you need to use/reserve more space... 
> 	-so when the 2nd pass launches mencoder knows how much space does he
> have, and then he distributes the free space between the frames
> according to their complexity...
> 	-as you see at the beginning of pass2 mencoder has to see the
> complexity for all the frames to be able to make the calculation

of course this applies to 2pass encoding... or to the second and the
third pass of 3pass encoding

gabor