PHP Classes

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

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  Classes of Karl Holz   WaldScan   includes/getid3/module.audio.mod.php   Download  
File: includes/getid3/module.audio.mod.php
Role: Auxiliary script
Content type: text/plain
Description: getID3 dependency
Class: WaldScan
Scan directories for files with certain extensions
Author: By
Last change: Update of includes/getid3/module.audio.mod.php
Date: 1 year ago
Size: 3,475 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.mod.php //
// module for analyzing MOD Audio files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////


class getid3_mod extends getid3_handler
{

    function
Analyze() {
       
$info = &$this->getid3->info;
       
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
       
$fileheader = fread($this->getid3->fp, 1088);
        if (
preg_match('#^IMPM#', $fileheader)) {
            return
$this->getITheaderFilepointer();
        } elseif (
preg_match('#^Extended Module#', $fileheader)) {
            return
$this->getXMheaderFilepointer();
        } elseif (
preg_match('#^.{44}SCRM#', $fileheader)) {
            return
$this->getS3MheaderFilepointer();
        } elseif (
preg_match('#^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)#', $fileheader)) {
            return
$this->getMODheaderFilepointer();
        }
       
$info['error'][] = 'This is not a known type of MOD file';
        return
false;
    }


    function
getMODheaderFilepointer() {
       
$info = &$this->getid3->info;
       
fseek($this->getid3->fp, $info['avdataoffset'] + 1080);
       
$FormatID = fread($this->getid3->fp, 4);
        if (!
preg_match('#^(M.K.|[5-9]CHN|[1-3][0-9]CH)$#', $FormatID)) {
           
$info['error'][] = 'This is not a known type of MOD file';
            return
false;
        }

       
$info['fileformat'] = 'mod';

       
$info['error'][] = 'MOD parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
        return
false;
    }

    function
getXMheaderFilepointer() {
       
$info = &$this->getid3->info;
       
fseek($this->getid3->fp, $info['avdataoffset']);
       
$FormatID = fread($this->getid3->fp, 15);
        if (!
preg_match('#^Extended Module$#', $FormatID)) {
           
$info['error'][] = 'This is not a known type of XM-MOD file';
            return
false;
        }

       
$info['fileformat'] = 'xm';

       
$info['error'][] = 'XM-MOD parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
        return
false;
    }

    function
getS3MheaderFilepointer() {
       
$info = &$this->getid3->info;
       
fseek($this->getid3->fp, $info['avdataoffset'] + 44);
       
$FormatID = fread($this->getid3->fp, 4);
        if (!
preg_match('#^SCRM$#', $FormatID)) {
           
$info['error'][] = 'This is not a ScreamTracker MOD file';
            return
false;
        }

       
$info['fileformat'] = 's3m';

       
$info['error'][] = 'ScreamTracker parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
        return
false;
    }

    function
getITheaderFilepointer() {
       
$info = &$this->getid3->info;
       
fseek($this->getid3->fp, $info['avdataoffset']);
       
$FormatID = fread($this->getid3->fp, 4);
        if (!
preg_match('#^IMPM$#', $FormatID)) {
           
$info['error'][] = 'This is not an ImpulseTracker MOD file';
            return
false;
        }

       
$info['fileformat'] = 'it';

       
$info['error'][] = 'ImpulseTracker parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
        return
false;
    }

}


?>