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File: includes/getid3/write.id3v1.php

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  Classes of Karl Holz  >  WaldScan  >  includes/getid3/write.id3v1.php  >  Download  
File: includes/getid3/write.id3v1.php
Role: Auxiliary script
Content type: text/plain
Description: getID3 dependency
Class: WaldScan
Scan directories for files with certain extensions
Author: By
Last change:
Date: 1 year ago
Size: 5,524 bytes
 

Contents

Class file image Download
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org>               //
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details                             //
/////////////////////////////////////////////////////////////////
//                                                             //
// write.id3v1.php                                             //
// module for writing ID3v1 tags                               //
// dependencies: module.tag.id3v1.php                          //
//                                                            ///
/////////////////////////////////////////////////////////////////

getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php'__FILE__true);

class 
getid3_write_id3v1
{
    var 
$filename;
    var 
$filesize;
    var 
$tag_data;
    var 
$warnings = array(); // any non-critical errors will be stored here
    
var $errors   = array(); // any critical errors will be stored here

    
function getid3_write_id3v1() {
        return 
true;
    }

    function 
WriteID3v1() {
        
// File MUST be writeable - CHMOD(646) at least
        
if (!empty($this->filename) && is_readable($this->filename) && is_writable($this->filename) && is_file($this->filename)) {
            
$this->setRealFileSize();
            if ((
$this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) {
                
$this->errors[] = 'Unable to WriteID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX 1073741824).'GB';
                return 
false;
            }
            if (
$fp_source fopen($this->filename'r+b')) {
                
fseek($fp_source, -128SEEK_END);
                if (
fread($fp_source3) == 'TAG') {
                    
fseek($fp_source, -128SEEK_END); // overwrite existing ID3v1 tag
                
} else {
                    
fseek($fp_source0SEEK_END);    // append new ID3v1 tag
                
}
                
$this->tag_data['track'] = (isset($this->tag_data['track']) ? $this->tag_data['track'] : (isset($this->tag_data['track_number']) ? $this->tag_data['track_number'] : (isset($this->tag_data['tracknumber']) ? $this->tag_data['tracknumber'] : '')));

                
$new_id3v1_tag_data getid3_id3v1::GenerateID3v1Tag(
                                                        (isset(
$this->tag_data['title']  ) ? $this->tag_data['title']   : ''),
                                                        (isset(
$this->tag_data['artist'] ) ? $this->tag_data['artist']  : ''),
                                                        (isset(
$this->tag_data['album']  ) ? $this->tag_data['album']   : ''),
                                                        (isset(
$this->tag_data['year']   ) ? $this->tag_data['year']    : ''),
                                                        (isset(
$this->tag_data['genreid']) ? $this->tag_data['genreid'] : ''),
                                                        (isset(
$this->tag_data['comment']) ? $this->tag_data['comment'] : ''),
                                                        (isset(
$this->tag_data['track']  ) ? $this->tag_data['track']   : ''));
                
fwrite($fp_source$new_id3v1_tag_data128);
                
fclose($fp_source);
                return 
true;

            } else {
                
$this->errors[] = 'Could not fopen('.$this->filename.', "r+b")';
                return 
false;
            }
        }
        
$this->errors[] = 'File is not writeable: '.$this->filename;
        return 
false;
    }

    function 
FixID3v1Padding() {
        
// ID3v1 data is supposed to be padded with NULL characters, but some taggers incorrectly use spaces
        // This function rewrites the ID3v1 tag with correct padding

        // Initialize getID3 engine
        
$getID3 = new getID3;
        
$getID3->option_tag_id3v2  false;
        
$getID3->option_tag_apetag false;
        
$getID3->option_tags_html  false;
        
$getID3->option_extra_info false;
        
$getID3->option_tag_id3v1  true;
        
$ThisFileInfo $getID3->analyze($this->filename);
        if (isset(
$ThisFileInfo['tags']['id3v1'])) {
            foreach (
$ThisFileInfo['tags']['id3v1'] as $key => $value) {
                
$id3v1data[$key] = implode(','$value);
            }
            
$this->tag_data $id3v1data;
            return 
$this->WriteID3v1();
        }
        return 
false;
    }

    function 
RemoveID3v1() {
        
// File MUST be writeable - CHMOD(646) at least
        
if (!empty($this->filename) && is_readable($this->filename) && is_writable($this->filename) && is_file($this->filename)) {
            
$this->setRealFileSize();
            if ((
$this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) {
                
$this->errors[] = 'Unable to RemoveID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX 1073741824).'GB';
                return 
false;
            }
            if (
$fp_source fopen($this->filename'r+b')) {

                
fseek($fp_source, -128SEEK_END);
                if (
fread($fp_source3) == 'TAG') {
                    
ftruncate($fp_source$this->filesize 128);
                } else {
                    
// no ID3v1 tag to begin with - do nothing
                
}
                
fclose($fp_source);
                return 
true;

            } else {
                
$this->errors[] = 'Could not fopen('.$this->filename.', "r+b")';
            }
        } else {
            
$this->errors[] = $this->filename.' is not writeable';
        }
        return 
false;
    }

    function 
setRealFileSize() {
        if (
PHP_INT_MAX 2147483647) {
            
$this->filesize filesize($this->filename);
            return 
true;
        }
        
// 32-bit PHP will not return correct values for filesize() if file is >=2GB
        // but getID3->analyze() has workarounds to get actual filesize
        
$getID3 = new getID3;
        
$getID3->option_tag_id3v1  false;
        
$getID3->option_tag_id3v2  false;
        
$getID3->option_tag_apetag false;
        
$getID3->option_tags_html  false;
        
$getID3->option_extra_info false;
        
$ThisFileInfo $getID3->analyze($this->filename);
        
$this->filesize $ThisFileInfo['filesize'];
        return 
true;
    }

}

?>