[Openchrome-users] VIA SP8000 observations

[Udo van den Heuvel]

Hello,

Thomas Hellstr?m wrote:
> Xavier Bachelot wrote:
>> Udo van den Heuvel wrote:
>>> up I noticed this:
>>>
>>> video.device.unichrome_cpu_save:0 in .xine/config works better than
>>> enabling this option (video is smooth now but is less smooth when
>>> enabled)
>>>
>>> Is this an openchrome issue or a xine specific problem?
>>>   
>> nope, only an incompatibility between "EnableAGPDMA" in xorg.conf and
>> unichrome_cpu_save in xine. You must only have one enabled at the same
>> time.
>> The one to be used might not be the same depending on the chipset, but
>> I guess the xorg option is prefered over the xine option. I'm pretty
>> sure Thomas has more insight.
>>  
>>
> Yes.
> unichrome_cpu_save should only be used when writing to the decoder over
> PCI.

Which is not the case on my VIA SP8000E? (CN400, AGP? dunno)

> The menu problem is most likely due to a resource competition between X
> and the mpeg decoder. It's hard to do anything about that with the
> current drm architecture. I recommend you to try to disable unscaled OSD
> to see if that makes any difference. Unscaled OSD generates a huge
> amount of traffic between xine and the X server, particularly in
> fullscreen mode 32 bit.

Will test that out!
Thanks you both for the swift replies.

>> I guess we need a 'tips and tricks' page in the wiki, for the
>> different chipsets, different distro, etc... I'll try to find some
>> time to begin one, but I don't promise anything, I'm unfortunatly
>> really short on free time at the moment. Anyone feel free to beat me
>> to it :-)
>>
>>  
>>
> Indeed. I'm in the same situation.

Well, I could post (important parts of) my configs for SP8000 for xorg
and xine in the wiki? (can I?)
That could be a start.


Udo