[LONG] new results & bugs report (was: Re: [MPlayer-dev-eng] lavcopts PSNR comparison) [ENGLISH]

[Michael Niedermayer]

Hi

On Sunday 13 June 2004 22:47, D Richard Felker III wrote:
> On Sun, Jun 13, 2004 at 09:18:38PM +0200, Romain Dolbeau wrote:
[...]
> > Speaking of that, it seems that there's no result for
> > "mbd=1 & qprd". I guess there's a problem here, assuming
> > the combination is legal (the man page doesn't say otherwise).
> > That's 2400 failures accounted for...
>
> Makes sense. qprd = qp rate distortion optimal. Hard to do if you're
> not using rd-optimal (mbd=2) mode to begin with. 
yes

> IIRC the man page 
> says you need mbd=2 for qprd.
no, but now it does

>
> > More interesting: "vme=4" has 3528 results, only 72 short
> > of the 3600 one would have after removing the 1/4 "mbd=1 & qprd".
> > Guess vme=1 is more of a problem (2106 results). With vme=4,
> > those 72 failures happened "*dia=2 & *cmp=1 & qpel". Is that
> > an invalid combination ?
> >
> > (I haven't checked where "vme=1" fails).
>
> Ignore it, vme=1 is sucky and broken.
vme 0-3 are indeed sucky and broken

[...]
-- 
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