roboforum.ru

#define _CRT_SECURE_NO_WARNINGS     

#include <sstream>
#include <string>
#include <iostream>
#include <opencv\highgui.h>
#include <opencv\cv.h>

using namespace cv;

//default capture width and height
const int FRAME_WIDTH = 640;
const int FRAME_HEIGHT = 480;

const string windowName = "Original Image";

int main(int argc, char* argv[])
{
   Mat cameraFeed;

   int x=0, y=0;

   VideoCapture capture;

   capture.open("rtmp://video.bvf.ru/live/holzunova");
   //set height and width of capture frame
   capture.set(CV_CAP_PROP_FRAME_WIDTH,FRAME_WIDTH);
   capture.set(CV_CAP_PROP_FRAME_HEIGHT,FRAME_HEIGHT);
   while(1){

      imshow(windowName,cameraFeed);
      waitKey(30);
   }      
   return 0;
}

cv::Exception at memory location

#include "opencv2/opencv.hpp"

using namespace cv;

int main(int, char**)
{
    VideoCapture cap(0); // open the default camera
    if(!cap.isOpened())  // check if we succeeded
        return -1;

    Mat edges;
    namedWindow("edges",1);
    for(;;)
    {
        Mat frame;
        cap >> frame; // get a new frame from camera
        cvtColor(frame, edges, CV_BGR2GRAY);
        GaussianBlur(edges, edges, Size(7,7), 1.5, 1.5);
        Canny(edges, edges, 0, 30, 3);
        imshow("edges", edges);
        if(waitKey(30) >= 0) break;
    }
    // the camera will be deinitialized automatically in VideoCapture destructor
    return 0;
}