/**
  * Render core video thumbnail HTML
  * @requestParam MediaTransformOutput thumb
  * @requestParam array options - See ThumbnailHelper class for more detail
  * @responseParam string width
  * @responseParam string height
  * @responseParam string linkHref
  * @responseParam array linkClasses
  * @responseParam string linkId
  * @responseParam array linkAttrs
  * @responseParam string imgSrc
  * @responseParam string mediaKey
  * @responseParam string mediaName
  * @responseParam array imgClass
  * @responseParam array extraImgAttrs
  * @responseParam string dataSrc - data-src attribute for image lazy loading
  * @responseParam string duration (HH:MM:SS)
  * @responseParam array durationISO
  * @responseParam string mediaType - 'image' | 'video'
  */
 public function video()
 {
     wfProfileIn(__METHOD__);
     $thumb = $this->getVal('thumb');
     $options = $this->getVal('options', []);
     ThumbnailHelper::setVideoLinkClasses($this, $thumb, $options);
     ThumbnailHelper::setVideoLinkAttribs($this, $thumb, $options);
     ThumbnailHelper::setVideoImgAttribs($this, $thumb, $options);
     ThumbnailHelper::setExtraImgAttribs($this, $options);
     ThumbnailHelper::setExtraLinkAttribs($this, $options);
     // Set duration
     // The file is not always an instance of a class with magic getters implemented. see VID-1753
     $file = $thumb->file;
     if (is_callable([$file, 'getMetadataDuration'])) {
         $duration = $file->getMetadataDuration();
     } else {
         $duration = null;
     }
     $this->response->setVal('duration', WikiaFileHelper::formatDuration($duration));
     $this->response->setVal('mediaType', 'video');
     $lazyLoaded = ThumbnailHelper::setLazyLoad($this, $options);
     if (!$lazyLoaded) {
         // Only add RDF metadata when the thumb is not lazy loaded
         $this->response->setVal('rdf', true);
         if (!empty($duration)) {
             $this->response->setVal('durationISO', WikiaFileHelper::formatDurationISO8601($duration));
         }
     }
     wfProfileOut(__METHOD__);
 }