[FFmpeg-devel] [PATCH] hardcode motionpixels.c mp_rgb_yuv_table

Michael Niedermayer michaelni
Mon Nov 2 01:20:11 CET 2009

On Sun, Nov 01, 2009 at 08:16:51PM +0100, Reimar D?ffinger wrote:
> On Sun, Nov 01, 2009 at 06:50:14PM +0100, Michael Niedermayer wrote:
> > On Wed, Oct 28, 2009 at 08:30:01PM +0100, Reimar D?ffinger wrote:
> > > This would be interesting since using a matrix-vector-multiplication it
> > > seem only to be possible to come within +-3 of the values in this table,
> > > so if it has to be exact there is not really a (decently performant)
> > > way to avoid the table completely.
> > 
> > The table could be made smaller ...
> Yes, though it seemed not worth it to me.
> > also i dont think you have a formal proof that there is no decently
> > performant solution withot a big table :)
> Aw, don't read what I wrote but what I meant :-P.

How do i do that? :)

> I actually haven't tried anything beyond simple linear regression,
> which was the limit of what I was ready to try.

I would have at least expected you to try wavelet and fractal compression ;)

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20091102/c0fc623c/attachment.pgp>

More information about the ffmpeg-devel mailing list