[MPlayer-dev-eng] 2 pass encoding - need explanation

[Attila Kinali]

On Sun, 23 Feb 2003 01:12:26 +0100
Michael Niedermayer <michaelni at gmx.at> wrote:

> the quant/psnr/size relation is very complex ...
> for example encoding one frame with quant=3 and one with quant=5 is sometimes 
> better, sometimes worse then encoding both with quant=4, for example very low 
> motion scenes need only slightly more bits at lower quants, but look much 
> better, while high motion scenes will need much more bits at lower quantizers 
> ...
> and the quant/psnr/size relation of frame n will significantly depend upon the 
> quality of frame n-1, as its used for motion compensation

Is there any recommended reading about this ?
I dont seem to be able to find anything that explains such stuff.

			Attila Kinali

-- 
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ich nach einem Fahrrad (für die Sonntagbrötchen) frage und einen pangalaktischen
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