http://ask.csdn.net/questions/221701
http://www.zhangxinxu.com/wordpress/2010/03/every-browser-support-html5-video/
http://www.111cn.net/wy/html5/64912.htm
http://blog.csdn.net/cdnight/article/details/40303825
原文：http://www.cnblogs.com/diyunpeng/p/5612732.html