xcb-util : X C-language Bindings sample implementations ( http://xcb.freedesktop.org/ )
xvba-sdk : AMD XvBA SDK (just a stupid header file) ( http://developer.amd.com/ZONES/OPENSOURCE/Pages/default.aspx )
xvba-video : XVBA Backend for Video Acceleration (VA) API ( http://www.freedesktop.org/wiki/Software/vaapi )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a argent-server
For Paludis use this rsync : rsync://gentoo.zugaina.org/argent-server-portage
If you have a problem : ycarus(-at-)zugaina.org