Cannot access webcam with opencv2 in python

[AastaLLL]

Hi,

cap = cv2.VideoCapture(0)

Please input the corresponding pipeline instead of 0.
You can find some examples below:

Jetson nano csi camera read opencv with python

the command below runs on command line and shows me the camera but when I want to read frames with python in opencv it doesn’t work. gst-launch-1.0 nvarguscamerasrc sensor_id=0 ! 'video/x-raw(memory:NVMM),width=3280, height=2464,framerate=21/1, format=NV12' ! nvvidconv flip-method=2 ! 'video/x-raw, width=816, height=616' ! nvvidconv ! nvegltransform ! nveglglessink -e The code is below: import cv2 class CSIRetriever: def _gstreamer_pipeline(self): return "gst-launch-1.0 nvarg…

Thanks.