Intel kms xvideo/vaapi? (was: Re: VLC problems)
kostikbel at gmail.com
Fri Sep 28 17:51:33 UTC 2012
On Fri, Sep 28, 2012 at 07:32:16PM +0200, Juergen Lock wrote:
> Well ok, that explains why vlc had problems using xvideo. (xvideo
> is preferred if available as it reduces cpu load playing video,
> there also is vaapi that offloads video decoding to the gpu too
> but the userland libs needed for that aren't in ports and I wonder
> if intel kms kernel support for it is missing too if xvideo support
> is already missing... I've Cc'd -x11, maybe someone there knows.)
> Juergen (who doesn't have intel video hw here only maintains
> a few multimedia ports and updated vlc)
Kernel driver does support the VCS ring batches. We should be on par with
the Linux kernel version which was used for the last import.
I never compiled/tested vaapi 965 driver myself. Sure, there may be bugs,
which I think are even inevitable, but VCS engine is quite similar and
simpler then render, so I expect that bugs can be fixed if reported.
Obvious first step is to get libva 965 driver compiling and added to ports.
The sources are available at git://anongit.freedesktop.org/vaapi/intel-driver.
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