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<?php
/**
* @author Georg Ehrke <georg@owncloud.com>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Olivier Paroz <github@oparoz.com>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @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 ID3Parser\ID3Parser;
class MP3 extends Provider {
/**
* {@inheritDoc}
*/
public function getMimeType() {
return '/audio\/mpeg/';
}
/**
* {@inheritDoc}
*/
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
$getID3 = new ID3Parser();
$tmpPath = $fileview->toTmpFile($path);
$tags = $getID3->analyze($tmpPath);
unlink($tmpPath);
$picture = isset($tags['id3v2']['APIC'][0]['data']) ? $tags['id3v2']['APIC'][0]['data'] : null;
if(is_null($picture) && isset($tags['id3v2']['PIC'][0]['data'])) {
$picture = $tags['id3v2']['PIC'][0]['data'];
}
if(!is_null($picture)) {
$image = new \OC_Image();
$image->loadFromData($picture);
if ($image->valid()) {
$image->scaleDownToFit($maxX, $maxY);
return $image;
}
}
return $this->getNoCoverThumbnail();
}
/**
* Generates a default image when the file has no cover
*
* @return bool|\OCP\IImage false if the default image is missing or invalid
*/
private function getNoCoverThumbnail() {
$icon = \OC::$SERVERROOT . '/core/img/filetypes/audio.png';
if(!file_exists($icon)) {
return false;
}
$image = new \OC_Image();
$image->loadFromFile($icon);
return $image->valid() ? $image : false;
}
}
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