Supporting XvMC (and XvMCW)

[Philip Prindeville]

Bill Nottingham wrote:

>Philip Prindeville (philipp_subx at redfish-solutions.com) said: 
>  
>
>>Apologies if this has already been discussed and I missed it... I've
>>only been on the list a couple of months...  and a quick search of
>>old messages didn't turn anything up.
>>
>>Could the X driver installation process write out the contents of
>>/etc/X11/XvMCConfig based on the driver module that has
>>been selected for the xorg.conf file?
>>
>>For instance, if you've selected the via drivers (in xorg 6.8.99.900
>>and later, for instance), then /etc/X11/XvMCConfig should contain:
>>
>>libviaXvMC.so
>>
>>or:
>>
>>libviaXvMCPro.so
>>
>>If you're using the NVidia drivers (from NVidia, and not the GPL "nv"
>>drivers instead) you'd have:
>>
>>libXVMCNVIDIA.so
>>
>>for instance.  Other cards might not offer support.  I believe the Savage
>>cards do.
>>
>>Does this sound feasible?
>>    
>>
>
>It sounds like dumb code. The driver already, from what you've posted,
>knows what the name of the module it uses is. So why on earth does it
>need a config file?
>
>Bill
>
>  
>

Because the client isn't statically linked to the library, and needs to
discover it dynamically at run-time.

A lot of X libraries contain both client-side and server-side functions.

-Philip