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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Olivier Paroz <github@oparoz.com>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Preview;
use OCP\Files\File;
use OCP\IImage;
use wapmorgan\Mp3Info\Mp3Info;
use function OCP\Log\logger;
class MP3 extends ProviderV2 {
/**
* {@inheritDoc}
*/
public function getMimeType(): string {
return '/audio\/mpeg/';
}
/**
* {@inheritDoc}
*/
public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
$tmpPath = $this->getLocalFile($file);
try {
$audio = new Mp3Info($tmpPath, true);
/** @var string|null|false $picture */
$picture = $audio->getCover();
} catch (\Throwable $e) {
logger('core')->info('Error while getting cover from mp3 file: ' . $e->getMessage(), [
'fileId' => $file->getId(),
'filePath' => $file->getPath(),
]);
return null;
} finally {
$this->cleanTmpFiles();
}
if (is_string($picture)) {
$image = new \OCP\Image();
$image->loadFromData($picture);
if ($image->valid()) {
$image->scaleDownToFit($maxX, $maxY);
return $image;
}
}
return null;
}
}
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