[MPlayer-users] Comment on menconder on multiprocessors.

[Jean-Marc Stévenne]

> 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
> 
> hope this helps,
> gabor
>
Thanks a lot.

Jean-Marc