deo
										element to be displayed before a meeting begins. Make sure to call
										<a href="devicecontrollerfacade.html#stopvideopreviewforvideoinput">stopVideoPreviewForVideoInput</a> when the preview is no longer necessary
										so that the stream can be released and turn off the camera if it is not
									being used anymore.</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>element: <span cla