Re: what's the mechanism of xvid's quantisation

Hi,

Perhaps you should ask on the developers mailing list.  No one responded 
to my email here a few weeks ago, seems dead here.


JG

on the 03/06/04 07:36, tim huang wrote:
> 	hi...all
> 	i am reading xvid's source code,but i am puzzle something. first,i could't understand the mechanism of xvid's quantisation.
> 
> 	i know that xvid use h.263 and mpeg quantisation mode.but i couldn't know how the quant_scale come in.
> 	
> 	i can see in the function SetMacroblockQuants(encoder.c line1384) ,that set macroblock's quant whit "quant ＋ pMb->dquant"(encoder.c line1400).
> 	also i can see in the function MBSetDquant (encoder.c line818),that adjust dquant of macroblock. 
> 
> 	but i don't find macroblock's dquant,frame's and macroblock's quant initial .
> 
> 	please help me
> 
> 
> 	tim.huang
> 	6.3
>