ref: 2b96ffe025673a6943476989a689df938df7523b
parent: 95339d68258b8f752e114e6c81e6e19f99cde5a4
author: Yaowu Xu <yaowu@google.com>
date: Fri May 24 12:13:54 EDT 2013
a few clean-ups 1. remove prediction mode conversion 2. unified bmode, same for key and non-key frame 3. set I4X4_PRED count for pdf to 0, as I4X4_PRED is no longer coded ever. It is determined by ref_frame and block partition Change-Id: If5b282957c24339b241acdb9f2afef85658fe47d