import cv2 ID1 = 2 ID2 = 0 #cam1 = cv2.VideoCapture(ID2, cv2.CAP_V4L2) #cam1.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc(*'MJPG')) #cam2 = cv2.VideoCapture(ID1, cv2.CAP_V4L2) #cam2.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc(*'MJPG')) while True: ret2, frame2 = cv2.VideoCapture(ID1, cv2.CAP_V4L2).read() ret1, frame1 = cv2.VideoCapture(ID2, cv2.CAP_V4L2).read() print("ret 1 = ", ret1) print("ret 2 = ", ret2) cv2.imshow('Camera 1', frame1) cv2.imshow('Camera 2', frame2) if cv2.waitKey(1) == ord('q'): break cam1.release() cam2.release() cv2.destroyAllWindows()