[Libva] G45 h264 decoding

Javier Achirica achirica at ttd.net
Fri Oct 7 23:46:56 PDT 2011


Hello,

I tried with that option already, I even checked Xorg.0.log that it
was properly detected (I misspelled it once), but those are the
results I'm getting.

On Fri, Oct 7, 2011 at 6:25 AM, Xiang, Haihao <haihao.xiang at intel.com> wrote:
> Hi,
>  Could you try with the option SwapbuffersWait in your xorg.conf?
>
> Section "Device"
>        Identifier      "Generic Video Card"
>        Driver          "intel"
> ...
>        Option "SwapbuffersWait" "off"
> ...
> EndSection
>
> (NOTE: restart your X server after changing xorg.conf).
>
> Thanks
> Haihao
>
>> -----Original Message-----
>> From: libva-bounces+haihao.xiang=intel.com at lists.freedesktop.org
>> [mailto:libva-bounces+haihao.xiang=intel.com at lists.freedesktop.org] On
>> Behalf Of Javier Achirica
>> Sent: Tuesday, October 04, 2011 5:41 PM
>> To: libva at lists.freedesktop.org
>> Subject: Re: [Libva] G45 h264 decoding
>>
>> Hi,
>>
>> Works fine in my Vaio TT, although only with videos up to 720. With
>> 1080 videos, cannot cope with the rate. The CPU is fine (around 20%)
>> so looks like it's an issue with the driver, as they play fine in
>> Windows.
>>
>> On Sat, Oct 1, 2011 at 11:15 AM, Xiang, Haihao <haihao.xiang at intel.com>
>> wrote:
>> > Hi,
>> >  There are some fixes for G45 h264 decoding on g45-h264 branch,
>> please fetch the fixes from
>> > the new intel-driver repository
>> (git.freedesktop.org/git/vaapi/intel-driver.git) and give a try.
>> >
>> > BTW please update your 2D driver (xf86-video-intel) as well and set
>> SwapbuffersWait to off in
>> > your xorg.conf for better performance.
>> >
>> > Thanks
>> > Haihao
>> >
>> >> -----Original Message-----
>> >> From: libva-bounces+haihao.xiang=intel.com at lists.freedesktop.org
>> >> [mailto:libva-bounces+haihao.xiang=intel.com at lists.freedesktop.org]
>> On
>> >> Behalf Of Andreas Gustafsson
>> >> Sent: Wednesday, June 22, 2011 11:11 PM
>> >> To: achirica at ttd.net
>> >> Cc: libva at lists.freedesktop.org
>> >> Subject: Re: [Libva] G45 h264 decoding
>> >>
>> >> Hi!
>> >>
>> >> It affects all videos I've tried so far.
>> >>
>> >> Best regards,
>> >> Andreas
>> >>
>> >> ons 2011-06-22 klockan 12:14 +0200 skrev Javier Achirica:
>> >> > >On Tue, 2011-06-21 at 20:11 +0800, Andreas Gustafsson wrote:
>> >> > >> Hello!
>> >> > >>
>> >> > >> I'm hitting a similar problem when trying out the g45-h264 branch.
>> >> > >> Running at abysmal speeds and getting kernel errors.
>> >> > >>
>> >> > >> What concerns me is that when I'm checking the Debian kernel
>> source
>> >> the
>> >> > >> drm/i915 BSD ring patch is already applied.
>> >> > >
>> >> > >Can you reproduce this issue with any H.264 videos or only with
>> some
>> >> > >special H.264 videos?
>> >> >
>> >> > I'm running the 2.6.39 kernel with the drm/i915 BSD ring patch and I
>> >> > also have this issue with all videos I've tried.
>> >> > _______________________________________________
>> >> > Libva mailing list
>> >> > Libva at lists.freedesktop.org
>> >> > http://lists.freedesktop.org/mailman/listinfo/libva
>> >>
>> >>
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