OpenCV 调用双摄像头

 1 #include <opencv2/opencv.hpp>
 2 #include<iostream>
 3 
 4 using namespace cv;
 5 using namespace std;
 6 
 7 int main()
 8 {
 9     //initialize and allocate memory to load the video stream from camera
10     VideoCapture camera0(1);
11     camera0.set(CV_CAP_PROP_FRAME_WIDTH, 320);
12     camera0.set(CV_CAP_PROP_FRAME_HEIGHT, 240);
13     VideoCapture camera1(0);
14     camera1.set(CV_CAP_PROP_FRAME_WIDTH, 320);
15     camera1.set(CV_CAP_PROP_FRAME_HEIGHT, 240);
16 
17     if (!camera0.isOpened()) return 1;
18     if (!camera1.isOpened()) return 1;
19 
20     while (true) 
21 {
22         //grab and retrieve each frames of the video sequentially
23         Mat3b frame0;
24         camera0 >> frame0;
25         Mat3b frame1;
26         camera1 >> frame1;
27 
28         imshow("Video0", frame0);
29         imshow("Video1", frame1);
30         //      std::cout << frame1.rows() << std::endl;
31         //wait for 40 milliseconds
32         int c = waitKey(40);
33 
34         //exit the loop if user press "Esc" key  (ASCII value of "Esc" is 27)
35         if (27 == char(c)) break;
36     }
37 
38     return 0;
39 }
原文地址:https://www.cnblogs.com/hsy1941/p/8298373.html