在视频服务器中，一个重要的功能是实现移动侦测和录像功能。本源码中实现了多线程、多路视频的视频移动侦测。-In Digital Video Recording [DVR] System, one most important feature is the Video Motion Detection. Most DVR is consisted by multi video capture cards. The card number sometime will be up to 16. In o

tw2835 音频测试录音程序，pcm 的档案格式，可选4路或单路-tw2835 audio test recording process, pcm file format, optional 4-way or one-way