[mythtv-users] VDPAU, CPU and deinterlacers

[Raymond Wagner]

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.