def url_compose(camera):
    """ Compose URL string for the camera """
    # rtsp://88.204.57.242:5533/user=admin&password=******&channel=1&stream=1.sdp?
    url: str = f'rtsp://{camera.ip_addr}:{camera.port}/user={camera.login}&password={camera.password}&channel=1&stream=0.sdp?'
    return url