You would set the pipeline such as:
"nvarguscamerasrc sensor_id=0 wbmode=0 awblock=true gainrange=\"8 8\" ispdigitalgainrange=\"4 4\" exposuretimerange=\"5000000 5000000\" aelock=true ! video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080,format=(string)NV12, framerate=(fraction)30/1 ! nvvidconv ! video/x-raw, format=(string)BGRx ! videoconvert ! video/x-raw, format=(string)BGR ! appsink"