ref: ed5a993a97c601dd597e1ebd4108f5612c625bc3
parent: a33a84b11a483adb2fa8bd60946c364d0b397ce2
author: Dmitry Kovalev <dkovalev@google.com>
date: Mon Nov 11 09:54:01 EST 2013
Calculating transform block offsets (x and y) only once. Change-Id: I4b5106bdc08fd4551339b968c13428a8f43122e2