ref: e9465daee385e1b288ff559b2b65527bca2364f6
parent: bbf890fe27c4193752c4f455b01eae62dedab359
parent: 6c565fada0820c9c2be6e931237b858cf8bbb5d1
author: Yaowu Xu <yaowu@google.com>
date: Tue May 3 07:20:52 EDT 2011
Merge "change to use fast ssim code for internal ssim calculations"