[XviD-devel] Re: quant zone

karine.yviquel karine.yviquel at laposte.net
Fri May 13 11:34:00 CEST 2005


Thus in the first pass (with a constant QP of 2) we have the same quant zone over the whole video and in the 2nd pass we have a new quant zone for each picture?
And what AFAIK is?
Karine
-----Message d'origine-----
De : xvid-devel-bounces at xvid.org [mailto:xvid-devel-bounces at xvid.org] De la part de Guillaume POIRIER Envoyé : vendredi 13 mai 2005 11:08 À : xvid-devel at xvid.org Objet : [XviD-devel] Re: quant zone
Hi,
karine.yviquel <karine.yviquel <at> laposte.net> writes:
> 
> Hi,
> I'm studying the xvid 2 pass rate control, but I don't understand what 
> the
quant zone is all about. If the same
> zone (same parameters) is used over the whole video, then what is the 
> quant
zone for ?
AFAIK, zones is used fo be able to give different encoding parameters/options in different moments of the movie. For exemple, you may want to use higher quants and maybe different ME refinements functions in the credits of a movie.
Regards,
Guillaume
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