Try -catch failure

1

#include <opencv2/highgui.hpp>
#include <opencv2/imgcodecs.hpp>
#include <opencv2/imgproc.hpp>
#include <opencv2/objdetect.hpp>
#include <opencv2/barcode.hpp>
#include <opencv2/videoio.hpp>
#include
#include
#include
#include
#include
/*
Function : start
Accepts : Agv*
Returns : int
Abstraction : Take Agv* as argumnent and performs vision application
Modified by : 23-10-21 - Srikanth
*/
int main() {

std::string videoStreamAddress = /192.168.1.2:4747/video";
cv::VideoCapture cap( videoStreamAddress );

try{
cap.isOpened();
}
catch(cv::Exception& e)
{
// const char* err_msg = e.what();
std::cout << "exception caught: " << e.msg << std::endl;
}
return 0;
}
this code not able catch exception.

2

I am pretty sure cap.isOpened() doesn’t throw exceptions. I am not even sure the cv::VideoCapture constructor does. When you run in debug what are the exception details printed to the cmd window/terminal?