RFC: Video decode acceleration API

manu eallaud at yahoo.fr
Wed Mar 28 19:46:19 PDT 2007

Le 27.03.2007 17:34:46, Bian, Jonathan a écrit :
> Hi,
> Attached is a proposal for a video decode acceleration API that I
> would
> like to get feedbacks from the X.org community. The main motivation
> for
> this proposal is to enable hardware accelerated video decode at
> various
> entry-points (VLD, IDCT, Motion Compensation etc.) for the prevailing
> coding standards today (MPEG-2, MPEG-4, H.264/AVC and VC-1).  After
> looking at extending XvMC but due to its original design for MPEG-2
> MotionComp only, it seems making more sense to design an interface
> from
> scratch that can fully expose the video decode capabilities in today's
> GPUs.

Would it be good to mimic MESA for 3D: the lib will allways decode what  
you send to it, but with more or less software fallbacks depending on  
hardware capabilities.
Just a thought...


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