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File: includes/getid3/module.audio.aa.php

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  Classes of Karl Holz  >  WaldScan  >  includes/getid3/module.audio.aa.php  >  Download  
File: includes/getid3/module.audio.aa.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: 2,211 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                             //
/////////////////////////////////////////////////////////////////
//                                                             //
// module.audio.aa.php                                         //
// module for analyzing Audible Audiobook files                //
// dependencies: NONE                                          //
//                                                            ///
/////////////////////////////////////////////////////////////////


class getid3_aa extends getid3_handler
{

    function 
Analyze() {
        
$info = &$this->getid3->info;

        
fseek($this->getid3->fp$info['avdataoffset'], SEEK_SET);
        
$AAheader  fread($this->getid3->fp8);

        
$magic "\x57\x90\x75\x36";
        if (
substr($AAheader44) != $magic) {
            
$info['error'][] = 'Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($AAheader44)).'"';
            return 
false;
        }

        
// shortcut
        
$info['aa'] = array();
        
$thisfile_au = &$info['aa'];

        
$info['fileformat']            = 'aa';
        
$info['audio']['dataformat']   = 'aa';
        
$info['audio']['bitrate_mode'] = 'cbr'// is it?
        
$thisfile_au['encoding']       = 'ISO-8859-1';

        
$thisfile_au['filesize'] = getid3_lib::BigEndian2Int(substr($AUheader,  04));
        if (
$thisfile_au['filesize'] > ($info['avdataend'] - $info['avdataoffset'])) {
            
$info['warning'][] = 'Possible truncated file - expecting "'.$thisfile_au['filesize'].'" bytes of data, only found '.($info['avdataend'] - $info['avdataoffset']).' bytes"';
        }

        
$info['audio']['bits_per_sample'] = 16// is it?
        
$info['audio']['sample_rate'] = $thisfile_au['sample_rate'];
        
$info['audio']['channels']    = $thisfile_au['channels'];

        
//$info['playtime_seconds'] = 0;
        //$info['audio']['bitrate'] = 0;

        
return true;
    }

}


?>