一个仿著名的数字电视播放软件ProgDVB的例子，实现UI的基本操作和功能-an imitation of the famous broadcast digital TV software ProgDVB example, the UI achieve the basic operation and function

dvbplay的整个过程，包含锁频到节目正常播放-The whole process dvbplay, including normal play locked to the program

机顶盒播放视频软件，his播放软件例子，可以在ubuntu或者红帽子下面运行-dvb play exampler