VR in XBMC

http://googlecardboardkit.com/order-now/#!/~/cart

http://www.tested.com/tech/concepts/462167-7-things-learned-googles-cardboard-vr-experiment/

http://www.durovis.com/index.html

http://stackoverflow.com/questions/6199636/formulas-for-barrel-pincushion-distortion

http://forum.xbmc.org/showthread.php?tid=200257