[XviD-devel] some bframes ideas

[Radek Czyz]

Hey,
I wrote:

> So, one more time, what I wanted to do: decrease magnitude of all
> coefficients by, for example, 1/4 of maximum quantization error. This
> will decrease PSNR, but will also decrease bitcount, so the maximum
> quality at fixed bitrate might be somewhere there.

Indeed. It can be easly done in quantization step. The gain is 0.05dB
at fixed bitrate. Not much, but at least I was right >:-) (lol).

Of course, after this blurry coefficients thresholding, I am extremely
cautious about all this stuff.

Radek