How do I identify the openv camera?

How do I identify the openv camera? Can’t you find it in the video capture? Is there a way?

You could use in the program the function getBackendName() on your cv::VideoCapture object…

https://docs.opencv.org/4.5.4/d8/dfe/classcv_1_1VideoCapture.html#a4576e03f447abfdbd602c0809824ec03