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101 lines
2.7 KiB
101 lines
2.7 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Georg Ehrke <oc.list@georgehrke.com> |
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* @author Joas Schilling <coding@schilljs.com> |
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* @author Morris Jobke <hey@morrisjobke.de> |
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* @author Olivier Paroz <github@oparoz.com> |
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* @author Thomas Müller <thomas.mueller@tmit.eu> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OC\Preview; |
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use OCP\Files\File; |
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use OCP\IImage; |
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class Movie extends ProviderV2 { |
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public static $avconvBinary; |
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public static $ffmpegBinary; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getMimeType(): string { |
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return '/video\/.*/'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage { |
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// TODO: use proc_open() and stream the source file ? |
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$absPath = $this->getLocalFile($file, 5242880); // only use the first 5MB |
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$result = $this->generateThumbNail($maxX, $maxY, $absPath, 5); |
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if ($result === false) { |
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$result = $this->generateThumbNail($maxX, $maxY, $absPath, 1); |
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if ($result === false) { |
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$result = $this->generateThumbNail($maxX, $maxY, $absPath, 0); |
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} |
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} |
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$this->cleanTmpFiles(); |
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return $result; |
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} |
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/** |
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* @param int $maxX |
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* @param int $maxY |
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* @param string $absPath |
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* @param int $second |
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* @return null|\OCP\IImage |
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*/ |
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private function generateThumbNail($maxX, $maxY, $absPath, $second): ?IImage { |
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$tmpPath = \OC::$server->getTempManager()->getTemporaryFile(); |
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if (self::$avconvBinary) { |
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$cmd = self::$avconvBinary . ' -y -ss ' . escapeshellarg($second) . |
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' -i ' . escapeshellarg($absPath) . |
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' -an -f mjpeg -vframes 1 -vsync 1 ' . escapeshellarg($tmpPath) . |
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' > /dev/null 2>&1'; |
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} else { |
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$cmd = self::$ffmpegBinary . ' -y -ss ' . escapeshellarg($second) . |
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' -i ' . escapeshellarg($absPath) . |
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' -f mjpeg -vframes 1' . |
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' ' . escapeshellarg($tmpPath) . |
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' > /dev/null 2>&1'; |
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} |
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exec($cmd, $output, $returnCode); |
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if ($returnCode === 0) { |
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$image = new \OC_Image(); |
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$image->loadFromFile($tmpPath); |
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unlink($tmpPath); |
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if ($image->valid()) { |
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$image->scaleDownToFit($maxX, $maxY); |
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return $image; |
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} |
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} |
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unlink($tmpPath); |
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return null; |
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} |
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}
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