PHP Classes
elePHPant
Icontem

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

Recommend this page to a friend!
Stumble It! Stumble It! Bookmark in del.icio.us Bookmark in del.icio.us
  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: 2 years 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->fp, 8);

       
$magic = "\x57\x90\x75\x36";
        if (
substr($AAheader, 4, 4) != $magic) {
           
$info['error'][] = 'Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($AAheader, 4, 4)).'"';
            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, 0, 4));
        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;
    }

}


?>