www/plugins-dist/medias/lib/getid3/module.audio-video.bink.php

   1 <?php
   2 /////////////////////////////////////////////////////////////////
   3 /// getID3() by James Heinrich <info@getid3.org>               //
   4 //  available at https://github.com/JamesHeinrich/getID3       //
   5 //            or https://www.getid3.org                        //
   6 //            or http://getid3.sourceforge.net                 //
   7 //  see readme.txt for more details                            //
   8 /////////////////////////////////////////////////////////////////
   9 //                                                             //
  10 // module.audio.bink.php                                       //
  11 // module for analyzing Bink or Smacker audio-video files      //
  12 // dependencies: NONE                                          //
  13 //                                                            ///
  14 /////////////////////////////////////////////////////////////////
  15
  16
  17 class getid3_bink extends getid3_handler
  18 {
  19         /**
  20          * @return bool
  21          */
  22         public function Analyze() {
  23                 $info = &$this->getid3->info;
  24
  25                 $this->error('Bink / Smacker files not properly processed by this version of getID3() ['.$this->getid3->version().']');
  26
  27                 $this->fseek($info['avdataoffset']);
  28                 $fileTypeID = $this->fread(3);
  29                 switch ($fileTypeID) {
  30                         case 'BIK':
  31                                 return $this->ParseBink();
  32                                 break;
  33
  34                         case 'SMK':
  35                                 return $this->ParseSmacker();
  36                                 break;
  37
  38                         default:
  39                                 $this->error('Expecting "BIK" or "SMK" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($fileTypeID).'"');
  40                                 return false;
  41                                 break;
  42                 }
  43
  44                 return true;
  45
  46         }
  47
  48         /**
  49          * @return bool
  50          */
  51         public function ParseBink() {
  52                 $info = &$this->getid3->info;
  53                 $info['fileformat']          = 'bink';
  54                 $info['video']['dataformat'] = 'bink';
  55
  56                 $fileData = 'BIK'.$this->fread(13);
  57
  58                 $info['bink']['data_size']   = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
  59                 $info['bink']['frame_count'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 2));
  60
  61                 if (($info['avdataend'] - $info['avdataoffset']) != ($info['bink']['data_size'] + 8)) {
  62                         $this->error('Probably truncated file: expecting '.$info['bink']['data_size'].' bytes, found '.($info['avdataend'] - $info['avdataoffset']));
  63                 }
  64
  65                 return true;
  66         }
  67
  68         /**
  69          * @return bool
  70          */
  71         public function ParseSmacker() {
  72                 $info = &$this->getid3->info;
  73                 $info['fileformat']          = 'smacker';
  74                 $info['video']['dataformat'] = 'smacker';
  75
  76                 return true;
  77         }
  78
  79 }