Want to test xvmc branch of intel - need help!

[Edward Hughes IV]

Greetings!  I've been "listening" to the list for a little while now,
but this is my first post.

I have a Macbook Gen 2/B (it was purchased early 2007) that has the
Intel 945GM chipset which uses the GMA 950 graphics adapter.  A source
on Wikipedia states that it has VLD and iDCT.  From what I've read, I
don't think those are implemented yet, but I thought I could test and
provide feedback anyway.  My ultimate desire is intel driver XvMC
support that could be used with MythTV, in which case I might be
tempted to pick up a couple refurbished Mac Minis (some of which use
the GMA 950 also) for frontends.

I've tried to follow the ModularDevelopers guide on the Xorg wiki, but
became a little confused and was hesitant - I don't want to wreck my
current X installation (Kubuntu 7.10).  I've used the xorg-git script
to download the sources, but this is where I'm stuck.  Do I need to
build a completely new xserver?  If not, what exactly do I need to
build?  I am not new to building from source, I'm just new to working
with Xorg on any level other than an end-user.

One last question - A search of the archives provides a short
discussion about the MythTV wiki where it indicates that the i810 and
intel drivers support XvMC.  This is only true for the i810 and i815
chipsets, correct?  I would like to clear this up.

Thanks,
Edward