基于vfw视频捕获和压缩，功能很强大，简单易懂，可以录像，抓图保存为JPEG格式并记录时间，而且还开打开已抓取的图片进行回放。-Vfw-based video capture and compression, function is powerful, easy-to-read, you can video, drawings saved as JPEG format and record the time, but also open