CV_CAP_GSTREAMER_V4L2  244 modules/videoio/src/cap.cpp             capture = cvCreateCapture_GStreamer(CV_CAP_GSTREAMER_V4L2, 0);
CV_CAP_GSTREAMER_V4L2  579 modules/videoio/src/cap_gstreamer.cpp     if (type == CV_CAP_GSTREAMER_V4L2){