import cv2

cap = cv2.VideoCapture(2)
cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1920)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 1080)

cv2.namedWindow('webcam', cv2.WINDOW_NORMAL | cv2.WINDOW_GUI_NORMAL)
cv2.resizeWindow('webcam', 1280, 720)

while True:
    ret, frame = cap.read()
    if not ret:
        break
    cv2.imshow('webcam', frame)
    if cv2.waitKey(1) == 27:
        break
    try:
        if cv2.getWindowProperty('webcam', cv2.WND_PROP_VISIBLE) < 1:
            break
    except:
        break

cap.release()
cv2.destroyAllWindows()