[Openchrome-users] Custom resolution on CX700M2

[Manuel Werlberger]

Xavier Bachelot wrote:
> Manuel Werlberger wrote:
>> Xavier Bachelot wrote:
>>> Manuel Werlberger wrote:
>>>> Unfortunately not an answer but another question for the EX10000EG. I 
>>>> currently use the unichrome drives (which almost made me kick out the 
>>>> box out of the window) with xvmc support.
>>> You're probably mixing stuff here. The unichrome driver doesn't include
>>> the xvmc code anymore. That's one of the reasons why openchrome exists.
>>> And the unichrome driver doesn't support CX700 anyway.
>> The unichrome driver doesn't support? Isn't the unichrome driver the one
>> from via? 
> 
> No, I refer to unichrome.sf.net.
> 
>> At least i compiled sth from via for my cx700m2 and drm/xvmc
>> is working.
> 
> VIA currently have 2 flavors for their driver :
> - One with closed (binary only) parts at viaarena.com. The closed parts 
> include xvmc and it needs a modified mplayer or xine-lib running as root 
> to take advantage of hardware mpeg acceleration.
> - A trimmed down one with only open-sourced parts, but w/o xvmc support, 
> amongst other things. See linux.via.com.tw.

Ah ok. Now i get the point. Unfortunately i tried so many things to get
the stuff running. If i have time at the weekend i will try to get hw
mpeg running.

> Indeed, it is one of the killer feature of this chipsets. Unfortunately, 
> MPEG patents are a legal minefield, and it will take time for VIA to 
> even release the mpeg engine docs, and even more to release code, if at 
> all possible. We are working with VIA toward this goal, though. Without 
> the docs, the only way forward is to reverse engineer VIA closed driver, 
> like it was done for the earlier versions of the hardware mpeg engine, 
> but nobody is up to that at the moment.
> 

Ok. Thanks for the info.

Best,
 Manuel