[mythtv-users] Nvidia 8400GS PCI, High Xorg CPU, Tearing

Lee Koloszyc teething12 at hotmail.com
Fri Dec 5 19:15:49 UTC 2008


R. G. Newbury wrote:
> Lee Koloszyc wrote:
>   
>> Boleslaw Ciesielski wrote:
>>     
>>> I think the common wisdom is that the PCI bus does not have enough 
>>> bandwidth for HD if you are not using VDPAU. With VDPAU the video stream 
>>> passed to the card is still compressed, so it's fine.
>>>
>>> Bolek
>>>       
>> It doesn't even play SD right though and I would think it would have 
>> enough bandwidth for that?
>> So the bandwith limit could be causing the high xorg cpu%?
>>
>>     
>
> Someone posted here recently that they could use VDPAU on a 256Meg Ram 
> video board using xfce but not while using KDE.
> So maybe you might want to try changing the session and see what happens.
>
> Geoff
>   
I use fluxbox.  I was able to play 720p with mplayer with no problems of 
any sort.  1080i killed it though.  Working on getting with mythtv trunk 
running and we will see how that goes.  Worse comes to worse I return 
the card and build a new machine:)

Lee


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