[MPlayer-users] how about a -vop 2xsai option?

[Greg Maculo]

On Wed, 2 Oct 2002 00:26:13 -0400
D Richard Felker III <dalias at aerifal.cx> wrote:

> > i took a look at the vop noise option -- looks pretty cool
> > how about an option to use the 2xsai scaler -- perhaps have it use some sort of a allowable difference in color matching
> > i've seen the 2xsai algorithm perform semi-miracles with non-photo graphics -- maybe it can do something to videos given a fuzzy compare funtion for similar colors --
> > sounds pretty do-able to me .. 
> 
> Neat idea. I don't know if it will work with photo type images,
> though, or with the distortion artifacts from mpeg-type encoding.
> Also, 2xsai was originally under some horrible nonfree license, but
> since it's included in ZSNES, it's apparently available under GPL now.
> Anyone feel like taking a shot at integrating 2xsai or implementing a
> similar algorithm for mplayer?
> 
> Rich

i know that exult also uses 2xsai --- i know it's GPL too...

couldnt the compares in the 2xsai algorithm be changed to do a fuzzy compare? (i supposed it'd be best to have the end-user specify the fuzziness level at runtime)...  -- that should make 2xsai somewhat effective on photo-type images...