[mythtv-users] Advice for VDPAU and HD-PVR

[Nick Rout]

On Sun, Dec 28, 2008 at 4:47 PM, R. G. Newbury <newbury at mandamus.org> wrote:
> Paul Bender wrote:
>> R. G. Newbury wrote:
>>
>>> And I have discovered, to my chagrin and a LOT of wasted time, that the
>>> Nvida driver installs it's own versions of some files...not just adding
>>> new and extra files. Merely installing the nvidia 180.16 driver *will*
>>> break playback with other chipsets/drivers.
>>>
>>> If you wish to try that route, do not install the driver until you have
>>> extracted the contents (NVIDIA....pkg.run -x ' and made copies of the
>>> libraries and include files which are included in the driver package and
>>> which the install will replace.
>>> As the old naval orders used to say 'Fail not hereof at your peril'.
>>
>> Yes, it is annoying. I wish NVIIDIA would not rely on things such as
>> customized GL libraries.
>>
>> I install the files from the proprietary NVIDIA driver is a separate
>> directory tree and modify /etc/ld.conf and /etc/X11/xorg.conf so that
>> they can be found.
>
> I think you ought to expound on how you do that, specifically in regards
> to the /usr/lib/GL/xxxxx.h files. The general libraries are easier to
> split out, but 1) how do you differentiate the libGLcore library in
> ../xorg/modules/extensions/ and 2) how do you point to the new libraries
> specifically from xorg.conf?
>
> And please, whatever you post here, add it to the VDPAU page on the wiki.
>
> And has anyone else seen the same conduct with the 'standard' nvidia
> drivers (177...etc.)?

I know that gentoo have a system where you can have multiple openGL
systems installed in separate trees and you run a command to switch
from one to the other. the command works by manipulating a load of
symlinks.