in jetson_inference/artifacts/aws.greengrass.JetsonDLRImageClassification/1.0.0/inference.py [0:0]
def enable_camera():
global camera
if platform.machine() == "armv7l": # RaspBerry Pi
import picamera
camera = picamera.PiCamera()
elif platform.machine() == "aarch64": # Nvidia Jetson TX
camera = cv2.VideoCapture("nvarguscamerasrc ! video/x-raw(memory:NVMM)," +
"width=(int)1920, height=(int)1080, format=(string)NV12," +
"framerate=(fraction)30/1 ! nvvidconv flip-method=2 !" +
"video/x-raw, width=(int)1920, height=(int)1080," +
"format=(string)BGRx ! videoconvert ! appsink")
elif platform.machine() == "x86_64": # Deeplens
import awscam
camera = awscam