added the capability to switch between shift values and raw 12bit depth
added the capability to switch between shift values and raw 12bit depth


git-svn-id: e7ea667a1d39a4453c4efcc4ba7bca3d620c3f19@7019 a9d63959-f2ad-4865-b262-bf0e56cfafb6

otherlab/pcl,otherlab/pcl,otherlab/pcl,otherlab/pcl,otherlab/pcl