def _get_color_effects(self):
    self._check_camera_open()
    mp = self._camera.control.params[mmal.MMAL_PARAMETER_COLOUR_EFFECT]
    if (mp.enable != mmal.MMAL_FALSE):
        return (mp.u, mp.v)
    else:
        return None
def _get_color_effects(self):
    self._check_camera_open()
    mp = self._camera.control.params[mmal.MMAL_PARAMETER_COLOUR_EFFECT]
    if (mp.enable != mmal.MMAL_FALSE):
        return (mp.u, mp.v)
    else:
        return None