Using device name instead of ID in OpenCV method VideoCapture.open()

Question

I have a lot of video devices in my /dev folder (e.g. video1, video2, ..., video9) and one /dev/video which

Answer 1

By looking at the source code of OpenCV 2.4.11 (cap.cpp) you can see that the overload using const string& filename is calling 'cvCreateFileCapture' which uses other plugins as FFMPEG or GStreamer to load files so the answer is no.

bool VideoCapture::open(const string& filename)
{
   if (isOpened()) release();
   cap = cvCreateFileCapture(filename.c_str());
   return isOpened();
}