/**
  * Delivers a JSON response for video searches
  */
 public function videoSearch()
 {
     $searchConfig = new Wikia\Search\Config();
     $searchConfig->setCityId($this->wg->CityId)->setQuery($this->getVal('q'))->setNamespaces(array(NS_FILE))->setVideoSearch(true);
     $wikiaSearch = $this->queryServiceFactory->getFromConfig($searchConfig);
     $this->getResponse()->setFormat('json');
     $this->getResponse()->setData($wikiaSearch->searchAsApi());
 }