ref: 4ca5d946b73de0cc1eec598fcf482b1786ddf13f
parent: 8ff579bc9fd33692aa8139f06eb1060dc0a43f84
author: huade <huashi@cisco.com>
date: Mon Dec 19 12:23:53 EST 2016
Multi-thread-fixed:RBC#1681#1682:remove slice related function to svc_encode_slice.cpp