[vlc-devel] (direct3d module question)YUV data to LPDIRECT3DSURFACE9
kaarlo.raiha at gmail.com
Thu Aug 5 09:36:21 CEST 2010
2010/8/5 Sasha Koruga <skoruga at gmail.com>
> I have a question for anyone familiar with the direct3d module.
> I was wondering if anyone knew at what point in the code the YUV data
> gets transferred to LPDIRECT3DSURFACE9. I looked over the source many
> times, and I just don't see exactly where it happens. The reasons I am
> asking is because I want to write the YUV data to 3 textures (as
> oppose to direct3dsurface9) in order to access it in the shader code.
> I had some methods of writing to the texture that worked but was
> unbearbly slow, and thus why I need to figure out what method is
> currently being used.
> Oh, and also, I'd like to know if anyone has any special shader
> requests. Currently I have a 16-235 -> 0-255 shader, a grayscale
> shader, an invert shader, a BT.601->BT.709 shader, and I'm still
> working on the YUV->RGB and other image conversion shaders. I know
> MPC-HC has a lot of shaders, but after checking them out, I realized
> that most of them are completely useless and serve no purpose (e.g. a
> circle that bounces around while the video is playing). Maybe I'm
> missing the purpose of some of them (e.g. night vision shader -
> brightens, blurs, and makes stuff green), and in such a case, please
> let me know if you think a case exists where someone would actually
> want to enable such a shader.
Most shaders in MPC-HC are useless. And if people really want those they can
be added as separate patches later.
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