shithub: openh264

Download patch

ref: a810408cdcfce67a5e063cbf58cbeaa9be393127
parent: 136931c265bbe3a50bea42675adcf3a9ff28e890
author: Licai Guo <guolicai@gmail.com>
date: Mon Feb 17 14:13:41 EST 2014

negative data with left shift, use cast or multiplication instead