/**
* {@inheritdoc}
* @throws LiveBroadcastInputException
*/
public function generateInputCmd()
{
$monitorImage = $this->media->getMonitorImage();
if (!file_exists($monitorImage)) {
throw new LiveBroadcastInputException(sprintf('Monitor image \'%s\' not found', $monitorImage));
}
return sprintf('-re -f lavfi -i anullsrc=r=48000 -r 1 -loop 1 -i %s', escapeshellarg($monitorImage));
}
