[mythtv] New configure script automatically enabling XVMC

[Daniel Kristjansson]

On Thu, 2005-03-24 at 09:40 -0800, John Freer wrote:
> Shouldn't the behavior be as follows:
> 
> 1.  Compile script enables XvMC compilation into the object code if
> available...
> 
> 2.  XvMC is actually used only when it is selected on the Playback
> setup screen.
> 
> 3.  Default behavior of the 'use XvMC' check box in plaback setup
> should be unchecked.

XvMC is still experimental. The reason I made XvMC-VLD default on is
because you always want that on when compiling for the EPIA M-x000's.
But my assumption that the presence of libviaXvMC indicated that you
were compiling for a EPIA M-x000 is no longer correct.

-- Daniel