I have a fresh Jetpack 4.2.3 installed on a Jetson Nano.
I see that the nano has GStreamer 1.14.1 and OpenCV 3.3.1
But unfortunate it seems that the facedetect plugin is missing
roy@jetson:~/nano$ gst-inspect-1.0 facedetect
No such element or plugin ‘facedetect’
How can I rectify this situation?