124 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| declare(strict_types = 1);
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| // {{{ License
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| // This file is part of GNU social - https://www.gnu.org/software/social
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| //
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| // GNU social 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 as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // GNU social 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
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| // along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
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| // }}}
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| 
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| /**
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|  * Audio template and metadata support via PHP-FFMpeg
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|  *
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|  * @package   GNUsocial
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|  *
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|  * @author    Diogo Peralta Cordeiro <mail@diogo.site>
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|  * @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
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|  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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|  *
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|  * @see      http://www.gnu.org/software/social/
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|  */
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| 
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| namespace Plugin\AudioEncoder;
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| 
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| use App\Core\Event;
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| use App\Core\GSFile;
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| use function App\Core\I18n\_m;
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| use App\Core\Modules\Plugin;
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| use App\Util\Exception\ServerException;
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| use App\Util\Formatting;
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| use FFMpeg\FFProbe as ffprobe;
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| use SplFileInfo;
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| 
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| class AudioEncoder extends Plugin
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| {
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|     public function version(): string
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|     {
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|         return '0.1.0';
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|     }
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| 
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|     public static function shouldHandle(string $mimetype): bool
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|     {
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|         return GSFile::mimetypeMajor($mimetype) === 'audio';
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|     }
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| 
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|     public function onFileMetaAvailable(array &$event_map, string $mimetype): bool
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|     {
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|         if (!self::shouldHandle($mimetype)) {
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|             return Event::next;
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|         }
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|         $event_map['audio'][] = [$this, 'fileMeta'];
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|         return Event::next;
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|     }
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| 
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|     /**
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|      * Adds duration metadata to audios
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|      *
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|      * @param null|string $mimetype in/out
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|      * @param null|int    $width    out audio duration
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|      *
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|      * @return bool true if metadata filled
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|      */
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|     public function fileMeta(SplFileInfo &$file, ?string &$mimetype, ?int &$width, ?int &$height): bool
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|     {
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|         // Create FFProbe instance
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|         // Need to explicitly tell the drivers' location, or it won't find them
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|         $ffprobe = ffprobe::create([
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|             'ffmpeg.binaries'  => exec('which ffmpeg'),
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|             'ffprobe.binaries' => exec('which ffprobe'),
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|         ]);
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| 
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|         $metadata = $ffprobe->streams($file->getRealPath()) // extracts streams informations
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|             ->audios()                      // filters audios streams
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|             ->first();                      // returns the first audio stream
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|         $width = (int) ceil((float) $metadata->get('duration'));
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Generates the view for attachments of type Video
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|      */
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|     public function onViewAttachment(array $vars, array &$res): bool
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|     {
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|         if (!self::shouldHandle($vars['attachment']->getMimetype())) {
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|             return Event::next;
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|         }
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| 
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|         $res[] = Formatting::twigRenderFile(
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|             'audioEncoder/audioEncoderView.html.twig',
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|             [
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|                 'attachment' => $vars['attachment'],
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|                 'note'       => $vars['note'],
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|                 'title'      => $vars['title'],
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|             ],
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|         );
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|         return Event::stop;
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|     }
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| 
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|     /**
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|      * @throws ServerException
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|      */
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|     public function onPluginVersion(array &$versions): bool
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|     {
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|         $versions[] = [
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|             'name'           => 'AudioEncoder',
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|             'version'        => self::version(),
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|             'author'         => 'Diogo Peralta Cordeiro',
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|             'rawdescription' => _m('Use PHP-FFMpeg for some more audio support.'),
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|         ];
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|         return Event::next;
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|     }
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| }
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