[Python] OpenCV VideoCapture not working with DSHOW backend on Windows

I'm trying to initialize the webcam using OpenCV on Windows with the DSHOW (DirectShow) backend to avoid potential issues with the default backend. However, it still throws the same error, and the webcam does not activate.

Here's the minimal code I'm using:

import cv2
import time

cv2.CAP_DSHOW

cap = cv2.VideoCapture(0)
time.sleep(3)
cap.release()


Even after referencing cv2.CAP_DSHOW, I get the same result — the webcam doesn't turn on, and no frames are captured.

Continue reading...