
dont double check vectors
more correct EPZS implementation
much faster halfpel ME
simplifications / reducing duplicate code
4MV in LQ mode


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@641 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg