[Libva] G45 h264 decoding

Zou, Nanhai nanhai.zou at intel.com
Fri Oct 7 23:49:33 PDT 2011


Hi,
	Which media player are you using? 
Are you using mplayer?

Thanks
Zou Nanhai

>>-----Original Message-----
>>From: libva-bounces+nanhai.zou=intel.com at lists.freedesktop.org
>>[mailto:libva-bounces+nanhai.zou=intel.com at lists.freedesktop.org] On Behalf
>>Of Javier Achirica
>>Sent: 2011年10月8日 14:47
>>To: libva at lists.freedesktop.org
>>Subject: Re: [Libva] G45 h264 decoding
>>
>>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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