anaerin at gmail
Jun 9, 2011, 11:04 PM
Post #11 of 14
On 09/06/2011 10:00 PM, Zuriel wrote:
Re: Support for upcoming VDPAU on AMD and Myth Player
[In reply to]
> > I have a new machine at home with an ATI graphic card ; I will try
> > testing this VDPAU things cool and see what I come up with.
> > JY
> I believe MythTV sends video to the VDPAU API which in turn sends it to
> the nvidia proprietary driver which sends it to the hardware video
> decoder on a recent nvidia card.
> Playing video using an AMD/ATI card's hardware decoder requires you to
> use AMD's XvBA API and AMD's proprietary driver, either directly or
> through the VA API --> XvBA backend.
> I just bought a Zotac ZBOX AD02 with an AMD E-350 processor, so I'll be
> playing with the AMD side of things myself shortly. I don't believe
> there's any way to use the hardware video decoder on an AMD card through
> VDPAU. I would be happy to be wrong about this.
> There's a patch ( http://code.mythtv.org/trac/ticket/8593 ) adding VA
> API support to MythTV which would give AMD users hardware video decoding
> but I think wasn't added due to immature drivers and general bugginess.
If you read the whole thread, you'd find that there is some preliminary
VDPAU support in the Mesa/Gallium drivers for AMD/ATI cards, which is
what's being discussed here. It is, essentially, VDPAU->VAAPI->XvBA
bridge(s), but it enables some VDPAU support on ATI.
At the moment, Greg <dargllun [at] googlemail> has it up and running, and
has posted a log with some debug output, but he is having issues with
playback not being smooth (Whereas it is smooth using "mplayer -vo vdpau")
This Recap was brought to you by the letters V, A, T and I. :)
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