code: public void setParameters(Map<String, ?> parameters) {
  		WebcamDevice device = getDevice();
  		if (device instanceof Configurable) {
  			((Configurable) device).setParameters(parameters);
  		} else {
  			LOG.debug("Webcam device {} is not configurable", device);
  		}
  	}
docs: If the underlying device implements Configurable interface, specified parameters are passed
  to it. May be called before the open method or later in dependence of the device
  implementation.
  
  @param parameters - Map of parameters changing device defaults
  @see Configurable