101 lines
3 KiB
PHP
101 lines
3 KiB
PHP
<?php
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/*
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Reads a list of all the mp3 files in the subdirectories and writes a playlist.m3u file.
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Use lib getid3() (http://getid3.sourceforge.net/)
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Doc: http://getid3.sourceforge.net/source/?t=structure.txt
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*/
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error_reporting(E_ALL); ini_set('display_errors', '1');
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header('Content-Type: text/plain;charset=UTF-8');
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if (!file_exists('getid3/getid3.php')) { die('ERROR: getid3 library is required. Download it from http://getid3.sourceforge.net/'); }
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require_once 'getid3/getid3.php';
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function startsWith($haystack, $needle) { return strpos($haystack, $needle) === 0; }
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function endsWith($haystack, $needle) { return substr($haystack, -strlen($needle)) == $needle; }
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/**
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* Flattens an array.
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*/
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function array_flat($array) {
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$tmp = Array();
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foreach($array as $a) {
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if(is_array($a)) {
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$tmp = array_merge($tmp, array_flat($a));
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}
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else {
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$tmp[] = $a;
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}
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}
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return $tmp;
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}
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/**
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* Recurses subdirectories and returns the list of all files contained within
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* as a flat array (1 item per file, with path)
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*/
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function getFilesFromDir($dir) {
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$files = array();
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if ($handle = opendir($dir)) {
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while (false !== ($file = readdir($handle))) {
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if ($file != "." && $file != "..") {
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if(is_dir($dir.'/'.$file)) {
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$dir2 = $dir.'/'.$file;
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$files[] = getFilesFromDir($dir2);
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}
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else {
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$files[] = $dir.'/'.$file;
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}
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}
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}
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closedir($handle);
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}
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$tmp = array_flat($files);
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natcasesort($tmp); // case insentitive sort.
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return $tmp;
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}
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$GLOBALS['TOTALTIME']=0;
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/**
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* Builds a EXTINF line (part of m3u file format)
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* Example: #EXTINF:333,Brian Eno - Lantern Marsh
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* (333 is the duration in seconds, then Artist - Title)
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*/
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function makeEXTInfLine($filename)
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{
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$getID3 = new getID3;
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$fileinfo = $getID3->analyze($filename);
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getid3_lib::CopyTagsToComments($fileinfo); // To get id3v1 and id3v2 tags at the same place.
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$duration = (string)floor($fileinfo['playtime_seconds']);
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$GLOBALS['TOTALTIME'] += $fileinfo['playtime_seconds'];
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$artist = $fileinfo['comments']['artist'][0];
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$title = $fileinfo['comments']['title'][0];
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return '#EXTINF:'.$duration.','.$artist.' - '.$title;
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}
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/**
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* Builds a m3u playlist from all mp3 files located in a directory.
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* Returns a properly formatted m3u file.
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* Input: $dir : directory to scan.
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* $baseurl : Base URL where this directory is served.
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* Output: (string) the resulting m3u file.
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*/
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function buildM3u($dir,$baseurl)
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{
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$lines = Array();
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foreach(getFilesFromDir($dir) as $filename)
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{
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if (pathinfo($filename, PATHINFO_EXTENSION)=='mp3')
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{
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echo "Processing $filename\n";
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$lines[] = makeEXTInfLine($filename);
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$lines[] = $baseurl.substr($filename, strlen($dir));
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}
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}
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return implode("\n",$lines);
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}
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$data = buildM3u('.','https://sebsauvage.net/ambient');
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file_put_contents('playlist.m3u',$data);
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echo 'Playlist regénérée. Durée totale (en secondes): ',$GLOBALS['TOTALTIME'];
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?>
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