Gscam / imx219 / ros / gst_uri_is_valid (uri) == false

[anon29233308]

This worked:

nvarguscamerasrc sensor-id=$(arg sensor_id) ! video/x-raw(memory:NVMM), width=(int)$(arg width), height=(int)$(arg height), format=(string)NV12, framerate=(fraction)$(arg fps)/1 ! nvvidconv flip-method=2 ! video/x-raw, format=(string)BGRx ! videoconvert