[FFmpeg-devel] [PATCH] MS Video 1 encoder, take 2

[Michael Niedermayer]

On Fri, Mar 13, 2009 at 06:34:21PM +0200, Kostya wrote:
> On Wed, Mar 11, 2009 at 08:37:00PM +0100, Michael Niedermayer wrote:
> > On Wed, Mar 11, 2009 at 08:11:39AM +0200, Kostya wrote:
[...]
> > [...]
> > > +                for(i = 0; i < 4*4*3; i++){
> > > +                    int t = prevptr[i] - c->block[i];
> > > +                    bestscore += t*t;
> > > +                }
> > > +                if(!skips)
> > > +                    bestscore += 2;
> > 
> > this is not a correct method of combining rate and distortion
> 
> Ok, now I don't mix them at all.
>  
> > rest not reviewed, this is a grave error and has to be fixed first
> 
> Can you recommend any good book on such matters? I really need it.

i wish i knew one, you could try reading q15e26 / wiegand95efficient (google)
70afa3327f02ef514e018e7f4386418f3b002a1c  wiegand95efficient.ps
d0b4779c6168cebb45a249c2be899a787b2744c8  q15e26.ps

and my rate_distortion.txt in ffmpeg svn

also loren and dark shikari might know some others?

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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