[Mplayer-advusers] Problem with constant quantizer encoding

[Michael Niedermayer]

Hi

On Sunday 28 December 2003 01:23, Stefan Baehre wrote:
> Hi!
>
> Mplayer manpage says (at option vi_qoffset):
>
> "Tip: To do constant quantizer encoding with different quantizers
> for I/P and B frames you can use: vqmin=<ip_quant>:vqmax=
> <ip_quant>:vb_qfactor=<b_quant/ip_quant>"
>
> This worked fine up to 1.0pre2. In 1.0pre3 all frames (including
> b-frames) are encoded with quantizer=<ip_quant>.
>
> Maybe it has to do with the new lagrange multipliers? Is there
> still a possibility to encode b-frames with higher quantizer than i-
> and p-frames?
yes, use lmin/lmax instead of vqmin/vqmax

[...]
-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en