[mythtv-users] VDPAU, CPU and deinterlacers

[spectro]

On Mon, Sep 28, 2009 at 3:50 PM, Jongi <jongitech at gmail.com> wrote:
> 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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I'm pretty sure it's using VDPAU profile since cpu usage was less than
5% with the 7750 and around 20% with the sempron playing back
yesterday's Steelers fail (CBS HD 1080i from my HDHomerun)

I have that same motherboard, which cpu do you have?, can you please
send me your deinterlacer settings?