Intel kms xvideo/vaapi? (was: Re: VLC problems)
nox at jelal.kn-bremen.de
Fri Sep 28 21:08:01 UTC 2012
On Fri, Sep 28, 2012 at 08:51:19PM +0300, Konstantin Belousov wrote:
> 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.)
> > Thanx,
> > 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.
Ok that is good news. But is it expected that xvideo isn't supported?
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