Cannot access webcam with opencv2 in python

[AastaLLL]

Hi,

Sorry for the missing.

The web camera needs to use V4L2 components.
You can find some examples in the below topic:

The web camera does not work on jetson nano

Hello. I am writing motion detection code in jetson nano. The motion detection process is written in cuda. I have confirmed that we can run the sample video. However, live streaming using the camera cannot be performed with the following warning. [ WARN:0] global /home/jetson/workspace/opencv-4.5.0/modules/videoio/src/cap_gstreamer.cpp (935) open OpenCV | GStreamer warning: Cannot query video position: status=0, value=-1, duration=-1 I looked into it and found #332 , changed the options and …

Thanks.