[XviD-devel] Bframes quant ratio

Marc FD xvid-devel@xvid.org
Mon, 19 Aug 2002 12:14:55 +0200


----- Message d'origine -----
De : "peter ross" <suxen_drol@hotmail.com>
À : <xvid-devel@xvid.org>
Envoyé : lundi 19 août 2002 11:41
Objet : Re: [XviD-devel] Bframes quant ratio


>
> >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)
> >
>
> this is even better.
>
> i also think the 1.25 and 0.6 values should be hard-coded,
> instead of providing bquant_ratio_a/b api fields.
>
> -- pete

yep. i think it's very close (if not) to be the best compromise.