[Ffmpeg-devel] pp=ac postprocessing preset

[Michael Niedermayer]

Hi

On Saturday 30 April 2005 18:03, Diego Biurrun wrote:
> Hi!
>
> It was just pointed out to me that the pp=ac postprocessing filter preset
> is not yet documented.  I'm about to add it to the MPlayer man page and
> the -pphelp MPlayer output, but I'm wondering what ac stands for
> (accurate?) and what the filter does exactly. 

the primary difference between ac and de (or ha,va and hb,vb) is that the 
later switch between the 3 different filtering modes per 8x8 block while the 
earlier switch per 8x1 as described in the mpeg4 spec

both are based upon whats suggested in the mpeg4 spec

[...]
-- 
Michael

"nothing is evil in the beginning. Even Sauron was not so." -- Elrond