ref: 6c9dcae532ce42d543742c3520a4fce179bcb071
parent: af7b7ffb4e9869be0b074025846e88a056b499b4
author: hkuang <hkuang@google.com>
date: Tue Dec 10 05:36:44 EST 2013
Refactor inter_predictor function. Change-Id: Ic429b2f16462e926f30efb3af4da3080026359d8