Record something to survey :
1.NuPlayer Tracing
http://blog.csdn.net/shcalm/article/category/879454
https://groups.google.com/group/android-contrib/browse_thread/thread/9cc5e685fcad9029
2.DOMX IL
http://www.khronos.org/openmax/
http://www.omappedia.org/wiki/Source_Trees#OpenMAX
3.DUCATI on OMAP4430
http://www.omappedia.org/wiki/Ducati_For_Dummies
4.ALooper, AHandler, AMessage mechanism
http://www.rosoo.net/a/201202/15659.html
http://milochen.wordpress.com/2011/03/25/understanding-android-os-src-looperhandler-message-messagequeue/
5.LS Balance
http://ieeexplore.ieee.org/Xplore/guesthome.jsp
6.Binder mechanism
http://www.cnblogs.com/innost/archive/2011/01/09/1931456.html
7.Audio ISSUE
http://comments.gmane.org/gmane.comp.embedded.pandaboard/5391
