opencv读取摄像头实时流代码

opencv读取摄像头实时流代码：
 1 #include <opencv2/opencv.hpp>
 2 #include <iostream>
 3 
 4 using namespace cv;
 5 using namespace std;
 6 
 7 int main()
 8 {
 9     VideoCapture inputCamera;
10     string videoStreamAddress = "此处填写摄像机的URL";
11     inputCamera.open(videoStreamAddress);
12 
13     if (!inputCamera.isOpened())
14     {
15         cout << "摄像头打开失败！" << endl;
16         return false;
17     }
18 
19     // obtain the video parameters
20     int rate = inputCamera.get(CV_CAP_PROP_FPS);         //the rate of video frame
21     int frameHeight = inputCamera.get(CV_CAP_PROP_FRAME_HEIGHT);  // the height of video frame
22     int frameWidth = inputCamera.get(CV_CAP_PROP_FRAME_WIDTH);    // the width of video frame
23 
24     Mat cutImage;
25     char c;
26     while (true)
27     {
28         inputCamera >> cutImage;
29 
30         imshow("cutImage", cutImage);
31 
32         c = waitKey(33);
33         if (c == 27) break;
34     }
35 
36     return 0;
37 }