138 lines
4.3 KiB
PHP
138 lines
4.3 KiB
PHP
<?php
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/**
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* ownCloud - media plugin
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*
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* @author Robin Appelman
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* @copyright 2010 Robin Appelman icewind1991@gmail.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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 Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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require_once('getid3/getid3.php');
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//class for scanning directories for music
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class OC_MEDIA_SCANNER{
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static private $getID3=false;
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//these are used to store which artists and albums we found, it can save a lot of addArtist/addAlbum calls
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static private $artists=array();
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static private $albums=array();//stored as "$artist/$album" to allow albums with the same name from different artists
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/**
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* scan a folder for music
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* @param OC_EventSource eventSource (optional)
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* @return int the number of songs found
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*/
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public static function scanCollection($eventSource=null){
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$music=OC_FileCache::searchByMime('audio');
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$ogg=OC_FileCache::searchByMime('application','ogg');
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$music=array_merge($music,$ogg);
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$eventSource->send('count',count($music));
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$songs=0;
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foreach($music as $file){
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self::scanFile($file);
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$songs++;
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if($eventSource){
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$eventSource->send('scanned',array('file'=>$file,'count'=>$songs));
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}
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}
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if($eventSource){
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$eventSource->send('done',$songs);
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}
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return $songs;
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}
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/**
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* scan a file for music
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* @param string $path
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* @return boolean
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*/
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public static function scanFile($path){
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$file=OC_Filesystem::getLocalFile($path);
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if(!self::isMusic($path)){
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return;
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}
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if(!self::$getID3){
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self::$getID3=@new getID3();
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self::$getID3->encoding='UTF-8';
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}
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$data=@self::$getID3->analyze($file);
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getid3_lib::CopyTagsToComments($data);
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if(!isset($data['comments'])){
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OCP\Util::writeLog('media',"error reading id3 tags in '$file'",OCP\Util::WARN);
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return;
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}
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if(!isset($data['comments']['artist'])){
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OCP\Util::writeLog('media',"error reading artist tag in '$file'",OCP\Util::WARN);
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$artist='unknown';
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}else{
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$artist=strip_tags(stripslashes($data['comments']['artist'][0]));
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}
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if(!isset($data['comments']['album'])){
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OCP\Util::writeLog('media',"error reading album tag in '$file'",OCP\Util::WARN);
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$album='unknown';
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}else{
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$album=strip_tags(stripslashes($data['comments']['album'][0]));
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}
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if(!isset($data['comments']['title'])){
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OCP\Util::writeLog('media',"error reading title tag in '$file'",OCP\Util::WARN);
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$title='unknown';
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}else{
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$title=strip_tags(stripslashes($data['comments']['title'][0]));
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}
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$size=$data['filesize'];
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if (isset($data['comments']['track']))
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{
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$track = $data['comments']['track'][0];
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}
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else if (isset($data['comments']['track_number']))
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{
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$track = $data['comments']['track_number'][0];
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$track = explode('/',$track);
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$track = $track[0];
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}
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else
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{
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$track = 0;
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}
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$length=isset($data['playtime_seconds'])?round($data['playtime_seconds']):0;
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if(!isset(self::$artists[$artist])){
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$artistId=OC_MEDIA_COLLECTION::addArtist($artist);
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self::$artists[$artist]=$artistId;
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}else{
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$artistId=self::$artists[$artist];
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}
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if(!isset(self::$albums[$artist.'/'.$album])){
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$albumId=OC_MEDIA_COLLECTION::addAlbum($album,$artistId);
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self::$albums[$artist.'/'.$album]=$albumId;
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}else{
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$albumId=self::$albums[$artist.'/'.$album];
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}
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$songId=OC_MEDIA_COLLECTION::addSong($title,$path,$artistId,$albumId,$length,$track,$size);
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return (!($title=='unkown' && $artist=='unkown' && $album=='unkown'))?$songId:0;
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}
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/**
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* quick check if a song is a music file by checking the extension, not as good as a proper mimetype check but way faster
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* @param string $filename
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* @return bool
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*/
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public static function isMusic($filename){
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$ext=strtolower(substr($filename,strrpos($filename,'.')+1));
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return $ext=='mp3' || $ext=='flac' || $ext=='m4a' || $ext=='ogg' || $ext=='oga';
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}
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}
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