private static function evaluateTargetVideoBitrate(KDLVideoData $source, KDLVideoData $target)
{
if ($target->_isShrinkBitrateToSource != 1) {
return $target->_bitRate;
}
$brSrcNorm = KDLVideoBitrateNormalize::NormalizeSourceToTarget($source->_id, $source->_bitRate, $target->_id);
if ($target->_bitRate > $brSrcNorm) {
$target->_bitRate = $brSrcNorm;
}
return $target->_bitRate = round($target->_bitRate, 0);
}
/**
* @param BatchJob $dbBatchJob
* @param kPostConvertJobData $data
*/
protected static function createThumbnail(BatchJob $dbBatchJob, kPostConvertJobData $data)
{
$ignoreThumbnail = false;
// this logic decide when this thumbnail should be used
$entry = $dbBatchJob->getEntry();
if (!$entry) {
return $dbBatchJob;
}
/*
* Retrieve data describing the new thumb
*/
$thisFlavorHeight = $data->getThumbHeight();
$thisFlavorBitrate = $data->getThumbBitrate();
$thisFlavorId = $data->getFlavorAssetId();
/*
* If there is already a thumb assigned to that entry, get the asset id that was used to grab the thumb.
* For older entries (w/out grabbedFromAssetId), the original logic would be used.
* For newer entries - retrieve mediaInfo's for th new and grabbed assest.
* Use KDL logic to normalize the 'grabbed' and 'new' video bitrates.
* Set ignoreThumbnail if the new br is lower than the normalized.
*/
if ($entry->getCreateThumb()) {
$grabbedFromAssetId = $entry->getThumbGrabbedFromAssetId();
if (isset($grabbedFromAssetId)) {
$thisMediaInfo = mediaInfoPeer::retrieveByFlavorAssetId($thisFlavorId);
$grabMediaInfo = mediaInfoPeer::retrieveByFlavorAssetId($grabbedFromAssetId);
if (isset($thisMediaInfo) && isset($grabMediaInfo)) {
$normalizedBr = KDLVideoBitrateNormalize::NormalizeSourceToTarget($grabMediaInfo->getVideoFormat(), $grabMediaInfo->getVideoBitrate(), $thisMediaInfo->getVideoFormat());
$ignoreThumbnail = $normalizedBr >= $thisMediaInfo->getVideoBitrate() ? true : false;
} else {
$grabbedFromAssetId = null;
}
}
/*
* Nulled 'grabbedFromAssetId' notifies - there is no grabbed asset data available,
* ==> use the older logic - w/out br normalizing
*/
if (!isset($grabbedFromAssetId)) {
if ($entry->getThumbBitrate() > $thisFlavorBitrate) {
$ignoreThumbnail = true;
} elseif ($entry->getThumbBitrate() == $thisFlavorBitrate && $entry->getThumbHeight() > $thisFlavorHeight) {
$ignoreThumbnail = true;
}
}
} else {
$ignoreThumbnail = true;
}
if (!$ignoreThumbnail) {
$entry->setThumbHeight($thisFlavorHeight);
$entry->setThumbBitrate($thisFlavorBitrate);
$entry->setThumbGrabbedFromAssetId($thisFlavorId);
$entry->save();
// creats thumbnail the file sync
$entry = $dbBatchJob->getEntry(false, false);
if (!$entry) {
KalturaLog::err("Entry not found [" . $dbBatchJob->getEntryId() . "]");
return;
}
KalturaLog::info("Entry duration: " . $entry->getLengthInMsecs());
if (!$entry->getLengthInMsecs()) {
KalturaLog::info("Copy duration from flvor asset: " . $data->getFlavorAssetId());
$mediaInfo = mediaInfoPeer::retrieveByFlavorAssetId($data->getFlavorAssetId());
if ($mediaInfo) {
KalturaLog::info("Set duration to: " . $mediaInfo->getContainerDuration());
$entry->setDimensionsIfBigger($mediaInfo->getVideoWidth(), $mediaInfo->getVideoHeight());
if ($entry->getCalculateDuration()) {
$entry->setLengthInMsecs($mediaInfo->getContainerDuration());
}
}
}
$entry->reload();
// make sure that the thumbnail version is the latest
$entry->setThumbnail(".jpg");
$entry->save();
$syncKey = $entry->getSyncKey(entry::FILE_SYNC_ENTRY_SUB_TYPE_THUMB);
kFileSyncUtils::moveFromFile($data->getThumbPath(), $syncKey);
}
}
