VideoWriter

本文转载自查看原文 2020-11-20 10:57 486

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啊

 1 #include <iostream>
 2 #include <opencv2/opencv.hpp>
 3 
 4 using namespace std;
 5 using namespace cv;
 6 
 7 
 8 int Test1()
 9 {
10     Mat img;
11     VideoCapture video(0);
12     if (!video.isOpened())
13     {
14         cout << "Video Camera,Open Failed! " << endl;
15 
16         return 1;
17     }
18 
19     video >> img;
20     if (img.empty())
21     {
22         cout << "No Image!" << endl;
23 
24         return 2;
25     }
26 
27     bool isColor=img.type() == CV_8UC3;
28 
29     VideoWriter writer;
30     writer.open("live.avi",VideoWriter::fourcc('M', 'J', 'P', 'G'),25.0,img.size(),isColor);
31     if (!writer.isOpened())
32     {
33         cout << "Illegal input" << endl;
34 
35         return 3;
36     }
37 
38     while (1)
39     {
40         if (!video.read(img))
41         {
42             cout << "Break or Done";
43             break;
44         }
45 
46         writer.write(img);
47         imshow("Live", img);
48 
49         if (waitKey(50)==27)
50         {
51             break;
52         }
53     }
54 
55 }
56 
57 int main()
58 {
59     Test1();
60 
61     return 0;
62 }

啊

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