ref: 52618d28e16f2d2ec8cffc157155b4316b6c13db
parent: 2dd730ccb39424f2589f9593e5ea96f27801c64f
author: Dmitry Kovalev <dkovalev@google.com>
date: Fri Dec 6 07:04:06 EST 2013
Replacing b_width_log2 with num_4x4_blocks_wide_lookup. Change-Id: I8ab9bbe2595ed1743f35223b6a6ce6d023b9a20e