[mythtv-users] VDPAU, CPU and deinterlacers

[Jongi]

On Mon, 28 Sep 2009 22:41:46 +0200, spectro <spectro at gmail.com> wrote:

> On Mon, Sep 28, 2009 at 1:01 PM, Raymond Wagner <raymond at wagnerrp.com>  
> wrote:
>> On 9/28/2009 13:39, Victor wrote:
>>>
>>> Got a new frontend working with a IGB 8200. Initially it had a dual
>>> core AMD 7750 and everything looked good with Advanced 2x
>>> deinterlacers and all.
>>>
>>> Then I swapped the CPU with a Sempron LE-1250 and now the only
>>> deinterlacer that works decent is one-field, all the others stutter
>>> but CPU load never goes above 20%.
>>>
>>> Is this a hardware limitation on VDPAU?, do we still need to put high
>>> end n-core CPUs in our frontends?
>>>
>>
>> The deinterlacers in VDPAU are all performed on the shader hardware on  
>> the
>> GPU.  Changing the CPU will have no effect on their performance.
>>  Furthermore, the 8200IGP has insufficient power to do advanced 2x on HD
>> material.
>>
>
> If this GPU is underpowered for advanced 2x then why did it work fine
> with the dual core 7750 processor?
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Is it not possible that you in fact do not have a vdpau profile setup? are  
you using mplayer or internal?

I can tell you that my 8200IGP on my Asus MN3N78-VM suffers when using  
advanced.
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