DirectDraw YUV overlays

Marcus Meissner meissner at
Mon Mar 7 06:09:34 CST 2005

On Sun, Mar 06, 2005 at 03:18:53PM -0700, Matthew Mastracci wrote:
> I've been investigating the YUV overlays used by Picasa and it seems 
> like it would be a huge problem to tackle this sort of support without 
> some sort of external YUV conversion library and/or hardware support.
> SDL has great support for transparent hardware/software YUV support; it 
> might be possible to adopt some of the YUV hw/sw implementation code 
> from SDL into Wine.  Both projects are LGPL.
> Whatever the implementation, getting support into the DirectDraw layer 
> for scaling YUV surfaces is a fairly large job.

We had that in very early versions (as ddraw was just one pretty
large X hack ;)

I would suggest using the Xv extensions again if possible.

Software YUV conversion is not hard either.

Just someone needs to do it :/

Ciao, Marcus
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url :

More information about the wine-devel mailing list