[XviD-devel] Global Motion Compensation

Christoph Lampert xvid-devel@xvid.org
Fri, 25 Oct 2002 14:23:39 +0200 (CEST)


On Fri, 25 Oct 2002, Dirk Knop wrote:

> Hi Radek,
> 
> since you seem to develop in windows you could easily "abuse" ffdshow to 
> check whether you're doing things right, just use normal halfpel ME and 
> add your GMC, set FourCC to DX50 - if it decodes correct you could 
> assume your implementation is correct, too ;) (or use momusys decoder on 
> raw bitstream...)
> 
> Just a thought, maybe stupid, but I would test that way...

There is no support for GMC syntax in XviD encoder (or ffmpeg encoder),
yet. It would only be possible to use reference encoder as encoder and
replace their GMC routine by yours, but that's uncomfortable, of course,
because of completely other data structures ,etc...

gruel