音视频编码

http://blog.youkuaiyun.com/ajaxhe/article/details/6699703 aac 

http://www.cnblogs.com/myitm/archive/2011/07/25/2116582.html  audio basic

http://blog.youkuaiyun.com/whybiang/article/details/6632564  pcm

http://blog.youkuaiyun.com/droidphone/article/details/6271122 alsa

http://www.cnblogs.com/mcodec/category/213430.html  amr decoder

http://blog.youkuaiyun.com/wangchenggggdn/article/details/5713075 yuv to rgb

http://blog.youkuaiyun.com/zhongrg/article/details/1775312  显卡工作原理