自己编写的一段视频捕捉代码，该程序拦截并修改由摄像头捕获到的图像数据，对数据进行了简单的处理，最后显示到屏幕上，实现简单的相框功能。-I have written a section of video capture code, the program to intercept and modify captured by the camera into the image data, a simple data processing, the final show on the screen