Setup Conda and Python and opencv Setup venv python -m venv ocv2-env ocv2-env/bin/pip install opencv-python Try python script import cv2 # Open the default camera cam = cv2.VideoCapture(0) # Get the default frame width and height frame_width = int(cam.get(cv2.CAP_PROP_FRAME_WIDTH)) frame_height = int(cam.get(cv2.CAP_PROP_FRAME_HEIGHT)) # Define the codec and create VideoWriter object fourcc = cv2.VideoWriter_fourcc(*'mp4v') out = cv2.VideoWriter('output.mp4', fourcc, 20.0, (frame_width, frame_height)) while True: ret, frame = cam.read() # Write the frame to the output file out.write(frame) # Display the captured frame cv2.imshow('Camera', frame) # Press 'q' to exit the loop if cv2.waitKey(1) == ord('q'): break # Release the capture and writer objects cam.release() out.release() cv2.destroyAllWindows() Add Wayland export QT_QPA_PLATFORM=xcb Test alias py='~/ocv2-env/bin/python' py r