[mythtv-users] nvidia 8200 IGP + VDPAU no luck

[Razorblade]

According to the mythtv wiki you'll have to adjust the cpuspeed daemon 
frequencies:
http://www.mythtv.org/wiki/VDPAU#Troubleshooting

Doing so did solve my issues with choppy playback.

On 07/23/2009 01:30 AM, Nick Rout wrote:
> On Thu, Jul 23, 2009 at 10:55 AM, Zach C<uid000 at gmail.com>  wrote:
>> Hi,
>>
>> I've read a number of reports that seem to confirm that the 8200 IGP is
>> sufficient for VDPAU decoding of HD h.264 material, such as that
>> produced by the HD-PVR.
>>
>> I've had no luck with mine.
>>
>> When I play back 720p the video is smooth for about two or three
>> seconds, then starts to stuttering and dropping frames.
>>
>> If I put a dedicated card in (9500 GT), playback is as smooth as butter.
>>
>> Is there any special build-time configuration that will help?  What
>> about settings in the software, such as deinterlacer (shouldn't
>> matter--720p), etc?
>>
>> My configuration:
>> I've got a SFF Acer machine with an 8200 IGP,  Athlon LE-1600 and the
>> maximum memory allocated to the GPU (512MB I think).
>> I'm running trunk revision 20949
>> I'm running on Mythbuntu 9.04 with the default mythtv packages removed.
>> Nvidia drivers are 185.18.14
>
> I know that Jean-Yves (who backported vdpau to 0.21-fixes) had trouble
> with 185.x nvidia drivers and recommended going back to 180.x. Mind
> you that was on 0.21-fixes with the backport. Whether that applies to
> trunk, I do not know. Heres the post anyway:
>
> http://www.avenard.org/media/Ubuntu_Repository/Entries/2009/6/10_How_to_downgrade_to_nVidia_drivers_180.xx.html
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