/**
* Return all available metaData
* @param MediaInformation $information
* @return array
*/
public function getMetaData(MediaInformation $information)
{
$subdef = $information->getResource();
$record = $subdef->get_record();
$thumbnail = $record->get_thumbnail();
$request = $information->getResourceRequest();
$baseUrl = $request->getSchemeAndHttpHost() . $request->getBasePath();
$ogMetaData = [];
$embedMedia = [];
$oembedMetaData = [];
$substitutionPath = sprintf('/assets/common/images/icons/substitution/%s.png', str_replace('/', '_', $record->getMimeType()));
$resourceUrl = $information->getUrl();
$embedMedia['title'] = $record->get_title();
$embedMedia['url'] = $resourceUrl;
switch ($record->getType()) {
case 'video':
$ogMetaData['og:type'] = 'video.other';
$ogMetaData['og:image'] = $baseUrl . $thumbnail->get_url();
$ogMetaData['og:image:width'] = $thumbnail->get_width();
$ogMetaData['og:image:height'] = $thumbnail->get_height();
$embedMedia['coverUrl'] = $baseUrl . $thumbnail->get_url();
$embedMedia['source'] = [];
$embedMedia['source'][] = ['url' => $resourceUrl, 'type' => $subdef->get_mime()];
$embedMedia['dimensions'] = $this->getDimensions($subdef);
$oembedMetaData['type'] = 'video';
$oembedMetaData['html'] = sprintf('<iframe width="%d" height="%d" src="%s" frameborder="0" allowfullscreen></iframe>', $embedMedia['dimensions']['width'], $embedMedia['dimensions']['height'], $this->getEmbedUrl($resourceUrl));
break;
case 'flexpaper':
case 'document':
$ogMetaData['og:type'] = 'article';
$ogMetaData['og:image'] = $baseUrl . $thumbnail->get_url();
$ogMetaData['og:image:width'] = $thumbnail->get_width();
$ogMetaData['og:image:height'] = $thumbnail->get_height();
$oembedMetaData['type'] = 'link';
$embedMedia['dimensions'] = $this->getDimensions($subdef);
break;
case 'audio':
$ogMetaData['og:type'] = 'music.song';
$ogMetaData['og:image'] = $baseUrl . $substitutionPath;
$ogMetaData['og:image:width'] = $thumbnail->get_width();
$ogMetaData['og:image:height'] = $thumbnail->get_height();
$oembedMetaData['type'] = 'link';
$embedMedia['source'] = [];
$embedMedia['source'][] = ['url' => $resourceUrl, 'type' => $subdef->get_mime()];
$embedMedia['coverUrl'] = $baseUrl . $substitutionPath;
// set default dimension for player
$embedMedia['dimensions'] = ['width' => 320, 'height' => 320, 'top' => 0];
break;
default:
$oembedMetaData['type'] = 'photo';
$ogMetaData['og:type'] = 'image';
$ogMetaData['og:image'] = (string) $record->get_preview()->get_permalink()->get_url();
$ogMetaData['og:image:width'] = $subdef->get_width();
$ogMetaData['og:image:height'] = $subdef->get_height();
$embedMedia['dimensions'] = $this->getDimensions($subdef);
break;
}
return ['options' => ['autoplay' => false], 'oembedMetaData' => $oembedMetaData, 'ogMetaData' => $ogMetaData, 'embedMedia' => $embedMedia];
}
/**
* list available video text tracks (only metadatas)
* @param MediaInformation $media
* @return array
*/
public function getAvailableVideoTextTracks(MediaInformation $media)
{
$record = $media->getResource()->get_record();
$videoTextTrack = [];
if ($record->getType() === 'video') {
$databox = $record->getDatabox();
$vttIds = [];
$vttMetadata = [];
// extract vtt ids and labels
foreach ($databox->get_meta_structure() as $meta) {
$foundParts = [];
if (preg_match('/^VideoTextTrack(.*)$/iu', $meta->get_name(), $foundParts)) {
$vttIds[] = $meta->get_id();
/*
Available HTML5 track types:
- captions
- chapters
- descriptions
- metadata
- subtitles
*/
$kind = '';
$setAsDefault = false;
$vttFoundKind = strtolower($foundParts[1]);
switch ($vttFoundKind) {
case 'chapters':
$setAsDefault = true;
$kind = 'chapters';
break;
default:
$kind = 'subtitles';
}
$vttMetadata[$meta->get_id()] = ['label' => empty($foundParts[1]) ? 'default' : $foundParts[1], 'srclang' => '', 'default' => $setAsDefault, 'kind' => $kind];
}
}
// extract vtt metadatas from ids
foreach ($record->get_caption()->get_fields(null, true) as $field) {
$metaStructId = $field->get_meta_struct_id();
if (!in_array($metaStructId, $vttIds)) {
continue;
}
foreach ($field->get_values() as $value) {
$videoTextTrack[] = array_merge(['src' => $this->getEmbedVttUrl($media->getUrl(), ['choice' => $metaStructId]), 'id' => $metaStructId], $vttMetadata[$metaStructId]);
}
}
}
return $videoTextTrack;
}