基于VC的运动检测算法，支持AVI文件输入，支持JPEG、MJPEG网络摄像头和USB摄像头

可以解码mjpeg AVI, 解成一个个的jpeg 文件-Can decode mjpeg AVI, solution of the jpeg files into one by one

mjpeg协议使用http长接连，连续的发送mjpeg图像。客户端只要根据tags对连接续的字符流取出相应的帧即可。-HTTP streaming separates each image into individual HTTP replies on a specified marker. RTP streaming creates packets of a sequence of JPEG images that can be received by clients such as Quic