import cv2

cap = cv2.VideoCapture(0)
cap.set(cv2.CAP_PROP_FRAME_WIDTH, 320)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 180)
cap.set(cv2.CAP_PROP_FPS, 25)

while cap.isOpened():
    ret, frame = cap.read()
    frame = cv2.rotate(frame, rotateCode = 1)
    cv2.imshow("frame", frame)      
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break
  
cap.release()
cv2.destroyAllWindows()