load video with opencv C++

Graceful Gnat answered on April 16, 2024 Popularity 3/10 Helpfulness 2/10

answer load video with opencv C++

load video with opencv C++

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#include "opencv2/opencv.hpp"
#include <iostream>
 
using namespace std;
using namespace cv;
 
int main(){
 
  // Create a VideoCapture object and open the input file
  // If the input is the web camera, pass 0 instead of the video file name
  VideoCapture cap("chaplin.mp4"); 
    
  // Check if camera opened successfully
  if(!cap.isOpened()){
    cout << "Error opening video stream or file" << endl;
    return -1;
  }
   
  while(1){
 
    Mat frame;
    // Capture frame-by-frame
    cap >> frame;
  
    // If the frame is empty, break immediately
    if (frame.empty())
      break;
 
    // Display the resulting frame
    imshow( "Frame", frame );
 
    // Press  ESC on keyboard to exit
    char c=(char)waitKey(25);
    if(c==27)
      break;
  }
  
  // When everything done, release the video capture object
  cap.release();
 
  // Closes all the frames
  destroyAllWindows();
   
  return 0;
}

Popularity 3/10 Helpfulness 2/10 Language cpp

Source: learnopencv.com

Tags: c++ load opencv video

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Contributed on Apr 16 2024

Graceful Gnat

0 Answers Avg Quality 2/10

load video with opencv C++

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