[mythtv-users] how can I do XvMC?

Isaac Richards ijr at po.cwru.edu
Fri Oct 31 12:11:28 EST 2003


On Friday 31 October 2003 10:30 am, Jason Schloer wrote:
> Hey Isaac,
>    In looking up XvMC info yesterday I noticed that the newest Nvidia
> drivers implement the XvMCCopySurfaceToGlxPBuffer. I found a test app
> called mpeg2play_accel here http://www.xfree86.org/~mvojkovi/.It plays
> back pretty fast even with the openGL stuff compiled in and I would
> think it would allow us to edit(overlay) the graphics after
> decompression. I was wondering if it would be of any use towards getting
> a true color OSD back for XvMC acceleration. I don't know the openGL
> limitations as far as textures go, but I would think this could also be
> used to allow the 3D graphics card to do the scaling, and possibly even
> odd scalings for handling standard definition feeds on widescreens and
> vice versa. Anyway, I was wondering if the Myth framework would allow
> for something like this eventually. I don't know that I've got the
> knowledge to tackle it yet, but I'm interested. Thanks for the
> clarification.

I don't personally have any intention of further improving the XvMC or CLE266 
decoder support in MythTV -- I don't use either of em now that the pvr-350's 
tv out is working as well as it is.

I certainly won't stop anyone else from working on them, though =)

Isaac


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