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File: meta.php

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  Classes of Fluxus  >  MIDI Class  >  meta.php  >  Download  
File: meta.php
Role: Example script
Content type: text/plain
Description: shows content of all meta events in the first track of a MIDI file. These events are often used for song title, copyright informations etc. (like ID3 tags in mp3 files).
Class: MIDI Class
Read, write and manipulate MIDI files and data
Author: By
Last change:
Date: 11 years ago
Size: 1,442 bytes
 

Contents

Class file image Download
<?php
$file
=(isset($_FILES['mid_upload'])&&$_FILES['mid_upload']['tmp_name']!='')?$_FILES['mid_upload']['tmp_name']:'';//(isset($p['file'])?$p['file']:'');
?>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>Meta-Messages</title>
<style>
body {font-family:arial;font-size:11px;margin:5px;}
input {font-family:arial;font-size:11px}
</style>
</head>
<body>

<form enctype="multipart/form-data" action="meta.php" method="POST" onsubmit="if (this.mid_upload.value==''){alert('Please choose a mid-file to upload!');return false}">
<input type="hidden" name="MAX_FILE_SIZE" value="1048576"><!-- 1 MB -->
MIDI file (*.mid) to upload: <input type="file" name="mid_upload">
<br>
<input type="submit" value=" send ">
</form>
<?php
if ($file!=''){
    echo
'File: '.$_FILES['mid_upload']['name'];
    echo
'<hr><pre>';
    require(
'midi.class.php');
   
$midi = new Midi();
   
$midi->importMid($file,0);
   
$track = $midi->getTrack(0);

   
// list of meta events that we are interested in (adjust!)
   
$texttypes = array('Text','Copyright','TrkName','InstrName','Lyric','Marker','Cue');

   
$nothing = 1;
    foreach (
$track as $msgStr){
       
$msg = explode(' ',$msgStr);
        if (
$msg[1]=='Meta'&&in_array($msg[2],$texttypes)){
            echo
$msg[2].': '.substr($msgStr,strpos($msgStr,'"'))."\n";
           
$nothing = 0;
        }
    }
    if (
$nothing) echo 'No events found!';
    echo
'</pre>';
}
?>
</body>
</html>