nextcloud/lib/private/preview/mp3.php

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<?php
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/**
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* @author Georg Ehrke <georg@owncloud.com>
* @author Georg Ehrke <georg@ownCloud.com>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @copyright Copyright (c) 2015, 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/>
*
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*/
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namespace OC\Preview;
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class MP3 extends Provider {
/**
* {@inheritDoc}
*/
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public function getMimeType() {
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return '/audio\/mpeg/';
}
/**
* {@inheritDoc}
*/
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public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
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$getID3 = new \getID3();
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$tmpPath = $fileview->toTmpFile($path);
$tags = $getID3->analyze($tmpPath);
\getid3_lib::CopyTagsToComments($tags);
if(isset($tags['id3v2']['APIC'][0]['data'])) {
$picture = @$tags['id3v2']['APIC'][0]['data'];
unlink($tmpPath);
$image = new \OC_Image();
$image->loadFromData($picture);
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return $image->valid() ? $image : $this->getNoCoverThumbnail();
}
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return $this->getNoCoverThumbnail();
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}
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/**
* Generates a default image when the file has no cover
*
* @return bool|\OCP\IImage false if the default image is missing or invalid
*/
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private function getNoCoverThumbnail() {
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$icon = \OC::$SERVERROOT . '/core/img/filetypes/audio.png';
if(!file_exists($icon)) {
return false;
}
$image = new \OC_Image();
$image->loadFromFile($icon);
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return $image->valid() ? $image : false;
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}
}