[VDPAU] VP8 support in the VDPAU interface

Eric Appleman erappleman at gmail.com
Mon Feb 27 19:10:13 PST 2012


On 02/27/2012 07:49 PM, Aaron Plattner wrote:
> A while ago, Emeric Grange did a GSoC project to add support for VP8:
> http://cgit.freedesktop.org/~emericg/libvdpau-vp8/commit/?id=d861763cce90b4e4f3e46ef624307e512dc63a28
>
>
> I'd like to thank Emeric for getting the ball rolling on this and
> continue the discussion here.
>
> Not being too familiar with VP8 myself, I started reading RFC 6386 and
> couldn't really understand how the named header fields in the RFC match
> up to Emeric's structure definitions.
>
> One of the proposed alternatives was to just pass the entire picture
> including the header and let the hardware handle the decoding. I guess
> this would mean the calling application would still need to parse out
> the refresh_golden_frame and refresh_alternate_frame bits to keep track
> of the reference surfaces it needs to pass in?
>
> -- Aaron
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I've read and played Emeric's work a few weeks ago. It does work, 
barely. Not sure if all my compiled bits were correct.

I'm looking for H264 decoding. Also curious as to how R600g has more 
landed support for VDPAU than Nouveau.

- Eric


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