julien at lifebook ~ $ xvattr | awk '/ Name/{printf$2}/Current/{printf"\t%08#x\n",$3}'
XV_COLORKEY 0x0101fe
XV_BRIGHTNESS 0xfffffffffffffffb
XV_CONTRAST 0x000030
--
Xv movies on 810/i945 gives horrible color, Gamma
https://launchpad.net/bugs/32963