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  1. #include "stdafx.h"
  2. #include "cv.h"
  3. #include "highgui.h"
  4. #include <cxcore.h>
  5. #include <stdio.h>
  6. #include <math.h>
  7. #include <iostream>
  8.  
  9.  
  10.  // A Simple Camera Capture Framework
  11.  int main() {
  12.    CvCapture* capture = cvCaptureFromCAM( CV_CAP_ANY );
  13.    if ( !capture ) {
  14.      fprintf( stderr, "ERROR: capture is NULL \n" );
  15.      getchar();
  16.      return -1;
  17.    }
  18.    else
  19.            fprintf( stderr, "Camera is OK \n");
  20.    // Create a window in which the captured images will be presented
  21.    cvNamedWindow( "mywindow", CV_WINDOW_AUTOSIZE );
  22.    // Show the image captured from the camera in the window and repeat
  23.    while ( 1 ) {
  24.      // Get one frame
  25.      IplImage* frame = cvQueryFrame( capture );
  26.      if ( !frame ) {
  27.        fprintf( stderr, "ERROR: frame is null...\n" );
  28.        getchar();
  29.        break;
  30.      }
  31.      cvShowImage( "mywindow", frame );
  32.      // Do not release the frame!
  33.      //If ESC key pressed, Key=0x10001B under OpenCV 0.9.7(linux version),
  34.      //remove higher bits using AND operator
  35.      if ( (cvWaitKey(10) & 255) == 27 ) break;
  36.    }
  37.    // Release the capture device housekeeping
  38.    cvReleaseCapture( &capture );
  39.    cvDestroyWindow( "mywindow" );
  40.    return 0;
  41.  }
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https://ideone.com/Qzs7Q
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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