/**
* Parse content of caption asset and index it
*
* @action parse
* @param string $captionAssetId
* @throws KalturaCaptionErrors::CAPTION_ASSET_ID_NOT_FOUND
*/
function parseAction($captionAssetId)
{
$captionAsset = assetPeer::retrieveById($captionAssetId);
if (!$captionAsset) {
throw new KalturaAPIException(KalturaCaptionErrors::CAPTION_ASSET_ID_NOT_FOUND, $captionAssetId);
}
$captionAssetItems = CaptionAssetItemPeer::retrieveByAssetId($captionAssetId);
foreach ($captionAssetItems as $captionAssetItem) {
/* @var $captionAssetItem CaptionAssetItem */
$captionAssetItem->delete();
}
$syncKey = $captionAsset->getSyncKey(asset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET);
$content = kFileSyncUtils::file_get_contents($syncKey, true, false);
if (!$content) {
return;
}
$captionsContentManager = kCaptionsContentManager::getCoreContentManager($captionAsset->getContainerFormat());
$itemsData = $captionsContentManager->parse($content);
foreach ($itemsData as $itemData) {
$item = new CaptionAssetItem();
$item->setCaptionAssetId($captionAsset->getId());
$item->setEntryId($captionAsset->getEntryId());
$item->setPartnerId($captionAsset->getPartnerId());
$item->setStartTime($itemData['startTime']);
$item->setEndTime($itemData['endTime']);
$item->setContent(utf8_encode($itemData['content']));
$item->save();
}
}
/**
* Parse content of caption asset and index it
*
* @action parse
* @param string $captionAssetId
* @throws KalturaCaptionErrors::CAPTION_ASSET_ID_NOT_FOUND
*/
function parseAction($captionAssetId)
{
$captionAsset = assetPeer::retrieveById($captionAssetId);
if (!$captionAsset) {
throw new KalturaAPIException(KalturaCaptionErrors::CAPTION_ASSET_ID_NOT_FOUND, $captionAssetId);
}
$captionAssetItems = CaptionAssetItemPeer::retrieveByAssetId($captionAssetId);
foreach ($captionAssetItems as $captionAssetItem) {
/* @var $captionAssetItem CaptionAssetItem */
$captionAssetItem->delete();
}
// make sure that all old items are deleted from the sphinx before creating the new ones
kEventsManager::flushEvents();
$syncKey = $captionAsset->getSyncKey(asset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET);
$content = kFileSyncUtils::file_get_contents($syncKey, true, false);
if (!$content) {
return;
}
$captionsContentManager = kCaptionsContentManager::getCoreContentManager($captionAsset->getContainerFormat());
if (!$captionsContentManager) {
return;
}
$itemsData = $captionsContentManager->parse($content);
foreach ($itemsData as $itemData) {
$item = new CaptionAssetItem();
$item->setCaptionAssetId($captionAsset->getId());
$item->setEntryId($captionAsset->getEntryId());
$item->setPartnerId($captionAsset->getPartnerId());
$item->setStartTime($itemData['startTime']);
$item->setEndTime($itemData['endTime']);
$content = '';
foreach ($itemData['content'] as $curChunk) {
$content .= $curChunk['text'];
}
//Make sure there are no invalid chars in the caption asset items to avoid braking the search request by providing invalid XML
$content = kString::stripUtf8InvalidChars($content);
$content = kXml::stripXMLInvalidChars($content);
$item->setContent($content);
$item->save();
}
}
/**
* Serves caption by its id converting it to segmented WebVTT
*
* @action serveWebVTT
* @param string $captionAssetId
* @param int $segmentDuration
* @param int $segmentIndex
* @param int $localTimestamp
* @return file
*
* @throws KalturaCaptionErrors::CAPTION_ASSET_ID_NOT_FOUND
*/
public function serveWebVTTAction($captionAssetId, $segmentDuration = 30, $segmentIndex = null, $localTimestamp = 10000)
{
$captionAsset = $this->validateForDownload($captionAssetId);
if (!$segmentIndex) {
entryPeer::setUseCriteriaFilter(false);
$entry = entryPeer::retrieveByPK($captionAsset->getEntryId());
if (!$entry) {
throw new KalturaAPIException(KalturaCaptionErrors::CAPTION_ASSET_ENTRY_ID_NOT_FOUND, $captionAsset->getEntryId());
}
entryPeer::setUseCriteriaFilter(true);
return new kRendererString(kWebVTTGenerator::buildWebVTTM3U8File($segmentDuration, (int) $entry->getDuration()), 'application/x-mpegurl');
}
$syncKey = $captionAsset->getSyncKey(asset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET);
$content = kFileSyncUtils::file_get_contents($syncKey, true, false, self::MAX_SERVE_WEBVTT_FILE_SIZE);
if (!$content) {
throw new KalturaAPIException(KalturaCaptionErrors::CAPTION_ASSET_FILE_NOT_FOUND, $captionAssetId);
}
$captionsContentManager = kCaptionsContentManager::getCoreContentManager($captionAsset->getContainerFormat());
if (!$captionsContentManager) {
throw new KalturaAPIException(KalturaCaptionErrors::CAPTION_ASSET_INVALID_FORMAT, $captionAssetId);
}
$parsedCaption = $captionsContentManager->parse($content);
if (!$parsedCaption) {
throw new KalturaAPIException(KalturaCaptionErrors::CAPTION_ASSET_PARSING_FAILED, $captionAssetId);
}
return new kRendererString(kWebVTTGenerator::buildWebVTTSegment($parsedCaption, $segmentIndex, $segmentDuration, $localTimestamp), 'text/vtt');
}
public static function getCaptionSearchData(entry $entry)
{
$captionAssets = assetPeer::retrieveByEntryId($entry->getId(), array(CaptionPlugin::getAssetTypeCoreValue(CaptionAssetType::CAPTION)));
if (!$captionAssets || !count($captionAssets)) {
return null;
}
$data = array();
foreach ($captionAssets as $captionAsset) {
/* @var $captionAsset CaptionAsset */
$syncKey = $captionAsset->getSyncKey(asset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET);
$content = kFileSyncUtils::file_get_contents($syncKey, true, false);
if (!$content) {
continue;
}
$captionsContentManager = kCaptionsContentManager::getCoreContentManager($captionAsset->getContainerFormat());
if (!$captionsContentManager) {
KalturaLog::err("Captions content manager not found for format [" . $captionAsset->getContainerFormat() . "]");
continue;
}
$content = $captionsContentManager->getContent($content);
if (!$content) {
continue;
}
$data[] = $captionAsset->getId() . " ca_prefix {$content} ca_sufix";
}
$dataField = CaptionSearchPlugin::getSearchFieldName(CaptionSearchPlugin::SEARCH_FIELD_DATA);
$searchValues = array($dataField => CaptionSearchPlugin::PLUGIN_NAME . ' ' . implode(' ', $data) . ' ' . CaptionSearchPlugin::SEARCH_TEXT_SUFFIX);
return $searchValues;
}
