[Sommaire] [Imprimer]

   1  <?php
   2  /////////////////////////////////////////////////////////////////
   3  /// getID3() by James Heinrich <info@getid3.org>               //
   4  //  available at http://getid3.sourceforge.net                 //
   5  //            or http://www.getid3.org                         //
   6  /////////////////////////////////////////////////////////////////
   7  // See readme.txt for more details                             //
   8  /////////////////////////////////////////////////////////////////
   9  //                                                             //
  10  // module.audio.mod.php                                        //
  11  // module for analyzing MOD Audio files                        //
  12  // dependencies: NONE                                          //
  13  //                                                            ///
  14  /////////////////////////////////////////////////////////////////
  15  
  16  
  17  class getid3_mod
  18  {
  19  
  20      // new combined constructor
  21  	function getid3_mod(&$fd, &$ThisFileInfo, $option) {
  22  
  23          if ($option === 'mod') {
  24              $this->getMODheaderFilepointer($fd, $ThisFileInfo);
  25          }
  26          elseif ($option === 'xm') {
  27              $this->getXMheaderFilepointer($fd, $ThisFileInfo);
  28          }
  29          elseif ($option === 'it') {
  30              $this->getITheaderFilepointer($fd, $ThisFileInfo);
  31          }
  32          elseif ($option === 's3m') {
  33              $this->getS3MheaderFilepointer($fd, $ThisFileInfo);
  34          }
  35      }
  36  
  37  
  38  	function getMODheaderFilepointer(&$fd, &$ThisFileInfo) {
  39  
  40          fseek($fd, $ThisFileInfo['avdataoffset'] + 1080);
  41          $FormatID = fread($fd, 4);
  42          if (!ereg('^(M.K.|[5-9]CHN|[1-3][0-9]CH)$', $FormatID)) {
  43              $ThisFileInfo['error'][] = 'This is not a known type of MOD file';
  44              return false;
  45          }
  46  
  47          $ThisFileInfo['fileformat'] = 'mod';
  48  
  49          $ThisFileInfo['error'][] = 'MOD parsing not enabled in this version of getID3()';
  50          return false;
  51      }
  52  
  53  	function getXMheaderFilepointer(&$fd, &$ThisFileInfo) {
  54  
  55          fseek($fd, $ThisFileInfo['avdataoffset']);
  56          $FormatID = fread($fd, 15);
  57          if (!ereg('^Extended Module$', $FormatID)) {
  58              $ThisFileInfo['error'][] = 'This is not a known type of XM-MOD file';
  59              return false;
  60          }
  61  
  62          $ThisFileInfo['fileformat'] = 'xm';
  63  
  64          $ThisFileInfo['error'][] = 'XM-MOD parsing not enabled in this version of getID3()';
  65          return false;
  66      }
  67  
  68  	function getS3MheaderFilepointer(&$fd, &$ThisFileInfo) {
  69  
  70          fseek($fd, $ThisFileInfo['avdataoffset'] + 44);
  71          $FormatID = fread($fd, 4);
  72          if (!ereg('^SCRM$', $FormatID)) {
  73              $ThisFileInfo['error'][] = 'This is not a ScreamTracker MOD file';
  74              return false;
  75          }
  76  
  77          $ThisFileInfo['fileformat'] = 's3m';
  78  
  79          $ThisFileInfo['error'][] = 'ScreamTracker parsing not enabled in this version of getID3()';
  80          return false;
  81      }
  82  
  83  	function getITheaderFilepointer(&$fd, &$ThisFileInfo) {
  84  
  85          fseek($fd, $ThisFileInfo['avdataoffset']);
  86          $FormatID = fread($fd, 4);
  87          if (!ereg('^IMPM$', $FormatID)) {
  88              $ThisFileInfo['error'][] = 'This is not an ImpulseTracker MOD file';
  89              return false;
  90          }
  91  
  92          $ThisFileInfo['fileformat'] = 'it';
  93  
  94          $ThisFileInfo['error'][] = 'ImpulseTracker parsing not enabled in this version of getID3()';
  95          return false;
  96      }
  97  
  98  }
  99  
 100  
 101  ?>