[MPlayer-dev-eng] Writing a brand new D3D video output to fix Vista Aero disabling

[Ivan Kalvachev]

On 6/3/08, Reimar Döffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> wrote:
> On Tue, Jun 03, 2008 at 02:07:43PM -0500, compn wrote:
>> vlc's d3d output mentions something about using hardware yuv...
>> http://git.videolan.org/?p=vlc.git;a=blob;f=modules/video_output/msw/direct3d.c;h=829882062ca161623ccf415736f57e370c503600;hb=HEAD
>
> AFAICT, this
> 1) still will end up doing software conversion from YV12 to UYVY or YUY2
> 2) on some hardware may end up still using software YUV->RGB if you are
> unlucky
> 3) D3D10 does not seem to provide UYVY/YUY2 formats, so it may be a dead-end
> in addition (though in the end using D3D probably always implies that
> long-term compatibility while providing new features will be a huge
> pain).
>
> Obviously I was thinking of doing the conversion as with the OpenGL vo,
> though since my knowledge on D3D is very limited that might also be a
> bad idea...
> Oh, and the reference to MPC might be much more useful, it has a far
> more advanced D3D renderer, including quite a few custom filters (if
> that is a goal, it was a big part of my work on the OpenGL vo and
> should be less effort with D3D).
>
> Greetings,
> Reimar Döffinger

Reimar, I actually wonder if you have ever come to know
what GL_SGIX_ycrcb,  GL_YCRCB_SGIX are about?
Googling about them didn't reveal much info.