2011 11 28 遇到的问题
做以下记录 以后总结
http://hi.baidu.com/hhllt/blog/item/6901128738d2183266096ef9.html
http://ticktick.blog.51cto.com/823160/555791
http://www.chineselinuxuniversity.net/kerneldocs/media/V4L2-PIX-FMT-VYUY.html
http://blog.sina.com.cn/s/blog_5ea0192f0100vvij.html