opencv(c++)------视频处理(视频和摄像头)

VideoCapture类,有三个构造函数:
VideoCapture类

VideoCapture::VideoCapture()//默认无参构造函数;
VideoCapture::VideoCapture(int device)//参数device指定要打开的摄像头设备,例如(0),(1);
VideoCapture::VideoCapture(

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转载自blog.csdn.net/m0_47405013/article/details/124697748