/**
* 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());
}