Re: [XviD-devel] Bframes quant ratio

["Marc FD" <marcfd@xxxxxxx>]

----- Message d'origine -----
De: "peter ross" <suxen_drol@xxxxxxxxxxx>
À: <xvid-devel@xxxxxxxx>
Envoyé: lundi 19 août 2002 02:40
Objet: Re: [XviD-devel] Bframes quant ratio


>
> >does anyone know why people keep using a _ratio_ for bframe quantizers?
>
> at the time it seemed like a really good idea.
>
> your right though, for high quants or even moderately low quants it,
> doesnt make much sense. it should be changed asap.
>
> -- pete
>

an idea : use a linear function, ex  f(x) = 1.25x + 0.6 (who gives quant ->
B-frames quant)
i compared against d(x) = 2x and g(x) = x+2 (DivX 5 behaviour and a simple
add)
(see comp.txt/plot.jpg)

seems a good compromise no ??

comp.txt
Description: Text document

plot.jpg
Description: JPEG image