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/class/gallery/getid3/ -> module.audio-video.asf.php (source)

   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-video.asf.php                                  //
  11  // module for analyzing ASF, WMA and WMV files                 //
  12  // dependencies: module.audio-video.riff.php                   //
  13  //                                                            ///
  14  /////////////////////////////////////////////////////////////////
  15  
  16  getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
  17  
  18  $GUIDarray = getid3_asf::KnownGUIDs();
  19  foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
  20      // initialize all GUID constants
  21      define($GUIDname, getid3_asf::GUIDtoBytestring($hexstringvalue));
  22  }
  23  
  24  
  25  
  26  class getid3_asf
  27  {
  28  
  29  	function getid3_asf(&$fd, &$ThisFileInfo) {
  30  
  31          // Shortcuts
  32          $thisfile_audio = &$ThisFileInfo['audio'];
  33          $thisfile_video = &$ThisFileInfo['video'];
  34          $ThisFileInfo['asf'] = array();
  35          $thisfile_asf        = &$ThisFileInfo['asf'];
  36          $thisfile_asf['comments'] = array();
  37          $thisfile_asf_comments    = &$thisfile_asf['comments'];
  38          $thisfile_asf['header_object'] = array();
  39          $thisfile_asf_headerobject     = &$thisfile_asf['header_object'];
  40  
  41  
  42          // ASF structure:
  43          // * Header Object [required]
  44          //   * File Properties Object [required]   (global file attributes)
  45          //   * Stream Properties Object [required] (defines media stream & characteristics)
  46          //   * Header Extension Object [required]  (additional functionality)
  47          //   * Content Description Object          (bibliographic information)
  48          //   * Script Command Object               (commands for during playback)
  49          //   * Marker Object                       (named jumped points within the file)
  50          // * Data Object [required]
  51          //   * Data Packets
  52          // * Index Object
  53  
  54          // Header Object: (mandatory, one only)
  55          // Field Name                   Field Type   Size (bits)
  56          // Object ID                    GUID         128             // GUID for header object - GETID3_ASF_Header_Object
  57          // Object Size                  QWORD        64              // size of header object, including 30 bytes of Header Object header
  58          // Number of Header Objects     DWORD        32              // number of objects in header object
  59          // Reserved1                    BYTE         8               // hardcoded: 0x01
  60          // Reserved2                    BYTE         8               // hardcoded: 0x02
  61  
  62          $ThisFileInfo['fileformat'] = 'asf';
  63  
  64          fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
  65          $HeaderObjectData = fread($fd, 30);
  66  
  67          $thisfile_asf_headerobject['objectid']      = substr($HeaderObjectData, 0, 16);
  68          $thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
  69          if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
  70              $ThisFileInfo['warning'][] = 'ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}';
  71              unset($ThisFileInfo['fileformat']);
  72              unset($ThisFileInfo['asf']);
  73              return false;
  74              break;
  75          }
  76          $thisfile_asf_headerobject['objectsize']    = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
  77          $thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
  78          $thisfile_asf_headerobject['reserved1']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
  79          $thisfile_asf_headerobject['reserved2']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
  80  
  81          //$ASFHeaderData  = $HeaderObjectData;
  82          $ASFHeaderData = fread($fd, $thisfile_asf_headerobject['objectsize'] - 30);
  83          //$offset = 30;
  84          $offset = 0;
  85  
  86          for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
  87              $NextObjectGUID     = substr($ASFHeaderData, $offset, 16);
  88              $offset += 16;
  89              $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
  90              $NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
  91              $offset += 8;
  92              switch ($NextObjectGUID) {
  93  
  94                  case GETID3_ASF_File_Properties_Object:
  95                      // File Properties Object: (mandatory, one only)
  96                      // Field Name                   Field Type   Size (bits)
  97                      // Object ID                    GUID         128             // GUID for file properties object - GETID3_ASF_File_Properties_Object
  98                      // Object Size                  QWORD        64              // size of file properties object, including 104 bytes of File Properties Object header
  99                      // File ID                      GUID         128             // unique ID - identical to File ID in Data Object
 100                      // File Size                    QWORD        64              // entire file in bytes. Invalid if Broadcast Flag == 1
 101                      // Creation Date                QWORD        64              // date & time of file creation. Maybe invalid if Broadcast Flag == 1
 102                      // Data Packets Count           QWORD        64              // number of data packets in Data Object. Invalid if Broadcast Flag == 1
 103                      // Play Duration                QWORD        64              // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
 104                      // Send Duration                QWORD        64              // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
 105                      // Preroll                      QWORD        64              // time to buffer data before starting to play file, in 1-millisecond units. If <> 0, PlayDuration and PresentationTime have been offset by this amount
 106                      // Flags                        DWORD        32              //
 107                      // * Broadcast Flag             bits         1  (0x01)       // file is currently being written, some header values are invalid
 108                      // * Seekable Flag              bits         1  (0x02)       // is file seekable
 109                      // * Reserved                   bits         30 (0xFFFFFFFC) // reserved - set to zero
 110                      // Minimum Data Packet Size     DWORD        32              // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
 111                      // Maximum Data Packet Size     DWORD        32              // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
 112                      // Maximum Bitrate              DWORD        32              // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
 113  
 114                      // shortcut
 115                      $thisfile_asf['file_properties_object'] = array();
 116                      $thisfile_asf_filepropertiesobject      = &$thisfile_asf['file_properties_object'];
 117  
 118                      $thisfile_asf_filepropertiesobject['objectid']           = $NextObjectGUID;
 119                      $thisfile_asf_filepropertiesobject['objectid_guid']      = $NextObjectGUIDtext;
 120                      $thisfile_asf_filepropertiesobject['objectsize']         = $NextObjectSize;
 121                      $thisfile_asf_filepropertiesobject['fileid']             = substr($ASFHeaderData, $offset, 16);
 122                      $offset += 16;
 123                      $thisfile_asf_filepropertiesobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
 124                      $thisfile_asf_filepropertiesobject['filesize']           = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 125                      $offset += 8;
 126                      $thisfile_asf_filepropertiesobject['creation_date']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 127                      $thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
 128                      $offset += 8;
 129                      $thisfile_asf_filepropertiesobject['data_packets']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 130                      $offset += 8;
 131                      $thisfile_asf_filepropertiesobject['play_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 132                      $offset += 8;
 133                      $thisfile_asf_filepropertiesobject['send_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 134                      $offset += 8;
 135                      $thisfile_asf_filepropertiesobject['preroll']            = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 136                      $offset += 8;
 137                      $ThisFileInfo['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
 138                      $thisfile_asf_filepropertiesobject['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 139                      $offset += 4;
 140                      $thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
 141                      $thisfile_asf_filepropertiesobject['flags']['seekable']  = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
 142  
 143                      $thisfile_asf_filepropertiesobject['min_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 144                      $offset += 4;
 145                      $thisfile_asf_filepropertiesobject['max_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 146                      $offset += 4;
 147                      $thisfile_asf_filepropertiesobject['max_bitrate']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 148                      $offset += 4;
 149                      //$ThisFileInfo['bitrate']                                 = $thisfile_asf_filepropertiesobject['max_bitrate'];
 150                      $ThisFileInfo['bitrate']                                 = ($thisfile_asf_filepropertiesobject['filesize'] * 8) / $ThisFileInfo['playtime_seconds'];
 151                      break;
 152  
 153                  case GETID3_ASF_Stream_Properties_Object:
 154                      // Stream Properties Object: (mandatory, one per media stream)
 155                      // Field Name                   Field Type   Size (bits)
 156                      // Object ID                    GUID         128             // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
 157                      // Object Size                  QWORD        64              // size of stream properties object, including 78 bytes of Stream Properties Object header
 158                      // Stream Type                  GUID         128             // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
 159                      // Error Correction Type        GUID         128             // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
 160                      // Time Offset                  QWORD        64              // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
 161                      // Type-Specific Data Length    DWORD        32              // number of bytes for Type-Specific Data field
 162                      // Error Correction Data Length DWORD        32              // number of bytes for Error Correction Data field
 163                      // Flags                        WORD         16              //
 164                      // * Stream Number              bits         7 (0x007F)      // number of this stream.  1 <= valid <= 127
 165                      // * Reserved                   bits         8 (0x7F80)      // reserved - set to zero
 166                      // * Encrypted Content Flag     bits         1 (0x8000)      // stream contents encrypted if set
 167                      // Reserved                     DWORD        32              // reserved - set to zero
 168                      // Type-Specific Data           BYTESTREAM   variable        // type-specific format data, depending on value of Stream Type
 169                      // Error Correction Data        BYTESTREAM   variable        // error-correction-specific format data, depending on value of Error Correct Type
 170  
 171                      // There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
 172                      // stream number isn't known until halfway through decoding the structure, hence it
 173                      // it is decoded to a temporary variable and then stuck in the appropriate index later
 174  
 175                      $StreamPropertiesObjectData['objectid']           = $NextObjectGUID;
 176                      $StreamPropertiesObjectData['objectid_guid']      = $NextObjectGUIDtext;
 177                      $StreamPropertiesObjectData['objectsize']         = $NextObjectSize;
 178                      $StreamPropertiesObjectData['stream_type']        = substr($ASFHeaderData, $offset, 16);
 179                      $offset += 16;
 180                      $StreamPropertiesObjectData['stream_type_guid']   = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
 181                      $StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
 182                      $offset += 16;
 183                      $StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
 184                      $StreamPropertiesObjectData['time_offset']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 185                      $offset += 8;
 186                      $StreamPropertiesObjectData['type_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 187                      $offset += 4;
 188                      $StreamPropertiesObjectData['error_data_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 189                      $offset += 4;
 190                      $StreamPropertiesObjectData['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 191                      $offset += 2;
 192                      $StreamPropertiesObjectStreamNumber               = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
 193                      $StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
 194  
 195                      $offset += 4; // reserved - DWORD
 196                      $StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
 197                      $offset += $StreamPropertiesObjectData['type_data_length'];
 198                      $StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
 199                      $offset += $StreamPropertiesObjectData['error_data_length'];
 200  
 201                      switch ($StreamPropertiesObjectData['stream_type']) {
 202  
 203                          case GETID3_ASF_Audio_Media:
 204                              $thisfile_audio['dataformat']   = (!empty($thisfile_audio['dataformat'])   ? $thisfile_audio['dataformat']   : 'asf');
 205                              $thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
 206  
 207                              $audiodata = getid3_riff::RIFFparseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
 208                              unset($audiodata['raw']);
 209                              $thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
 210                              break;
 211  
 212                          case GETID3_ASF_Video_Media:
 213                              $thisfile_video['dataformat']   = (!empty($thisfile_video['dataformat'])   ? $thisfile_video['dataformat']   : 'asf');
 214                              $thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
 215                              break;
 216  
 217                          case GETID3_ASF_Command_Media:
 218                          default:
 219                              // do nothing
 220                              break;
 221  
 222                      }
 223  
 224                      $thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
 225                      unset($StreamPropertiesObjectData); // clear for next stream, if any
 226                      break;
 227  
 228                  case GETID3_ASF_Header_Extension_Object:
 229                      // Header Extension Object: (mandatory, one only)
 230                      // Field Name                   Field Type   Size (bits)
 231                      // Object ID                    GUID         128             // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
 232                      // Object Size                  QWORD        64              // size of Header Extension object, including 46 bytes of Header Extension Object header
 233                      // Reserved Field 1             GUID         128             // hardcoded: GETID3_ASF_Reserved_1
 234                      // Reserved Field 2             WORD         16              // hardcoded: 0x00000006
 235                      // Header Extension Data Size   DWORD        32              // in bytes. valid: 0, or > 24. equals object size minus 46
 236                      // Header Extension Data        BYTESTREAM   variable        // array of zero or more extended header objects
 237  
 238                      // shortcut
 239                      $thisfile_asf['header_extension_object'] = array();
 240                      $thisfile_asf_headerextensionobject      = &$thisfile_asf['header_extension_object'];
 241  
 242                      $thisfile_asf_headerextensionobject['objectid']            = $NextObjectGUID;
 243                      $thisfile_asf_headerextensionobject['objectid_guid']       = $NextObjectGUIDtext;
 244                      $thisfile_asf_headerextensionobject['objectsize']          = $NextObjectSize;
 245                      $thisfile_asf_headerextensionobject['reserved_1']          = substr($ASFHeaderData, $offset, 16);
 246                      $offset += 16;
 247                      $thisfile_asf_headerextensionobject['reserved_1_guid']     = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
 248                      if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
 249                          $ThisFileInfo['warning'][] = 'header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')';
 250                          //return false;
 251                          break;
 252                      }
 253                      $thisfile_asf_headerextensionobject['reserved_2']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 254                      $offset += 2;
 255                      if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
 256                          $ThisFileInfo['warning'][] = 'header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"';
 257                          //return false;
 258                          break;
 259                      }
 260                      $thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 261                      $offset += 4;
 262                      $thisfile_asf_headerextensionobject['extension_data']      =                              substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
 263                      $offset += $thisfile_asf_headerextensionobject['extension_data_size'];
 264                      break;
 265  
 266                  case GETID3_ASF_Codec_List_Object:
 267                      // Codec List Object: (optional, one only)
 268                      // Field Name                   Field Type   Size (bits)
 269                      // Object ID                    GUID         128             // GUID for Codec List object - GETID3_ASF_Codec_List_Object
 270                      // Object Size                  QWORD        64              // size of Codec List object, including 44 bytes of Codec List Object header
 271                      // Reserved                     GUID         128             // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
 272                      // Codec Entries Count          DWORD        32              // number of entries in Codec Entries array
 273                      // Codec Entries                array of:    variable        //
 274                      // * Type                       WORD         16              // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
 275                      // * Codec Name Length          WORD         16              // number of Unicode characters stored in the Codec Name field
 276                      // * Codec Name                 WCHAR        variable        // array of Unicode characters - name of codec used to create the content
 277                      // * Codec Description Length   WORD         16              // number of Unicode characters stored in the Codec Description field
 278                      // * Codec Description          WCHAR        variable        // array of Unicode characters - description of format used to create the content
 279                      // * Codec Information Length   WORD         16              // number of Unicode characters stored in the Codec Information field
 280                      // * Codec Information          BYTESTREAM   variable        // opaque array of information bytes about the codec used to create the content
 281  
 282                      // shortcut
 283                      $thisfile_asf['codec_list_object'] = array();
 284                      $thisfile_asf_codeclistobject      = &$thisfile_asf['codec_list_object'];
 285  
 286                      $thisfile_asf_codeclistobject['objectid']                  = $NextObjectGUID;
 287                      $thisfile_asf_codeclistobject['objectid_guid']             = $NextObjectGUIDtext;
 288                      $thisfile_asf_codeclistobject['objectsize']                = $NextObjectSize;
 289                      $thisfile_asf_codeclistobject['reserved']                  = substr($ASFHeaderData, $offset, 16);
 290                      $offset += 16;
 291                      $thisfile_asf_codeclistobject['reserved_guid']             = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
 292                      if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
 293                          $ThisFileInfo['warning'][] = 'codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}';
 294                          //return false;
 295                          break;
 296                      }
 297                      $thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 298                      $offset += 4;
 299                      for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
 300                          // shortcut
 301                          $thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
 302                          $thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
 303  
 304                          $thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 305                          $offset += 2;
 306                          $thisfile_asf_codeclistobject_codecentries_current['type'] = $this->ASFCodecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
 307  
 308                          $CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
 309                          $offset += 2;
 310                          $thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
 311                          $offset += $CodecNameLength;
 312  
 313                          $CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
 314                          $offset += 2;
 315                          $thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
 316                          $offset += $CodecDescriptionLength;
 317  
 318                          $CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 319                          $offset += 2;
 320                          $thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
 321                          $offset += $CodecInformationLength;
 322  
 323                          if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) {
 324                              // audio codec
 325                              if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
 326                                  $ThisFileInfo['error'][] = '[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-seperated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"';
 327                                  return false;
 328                              }
 329                              list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
 330                              $thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
 331  
 332                              if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
 333                                  $thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
 334                              }
 335                              //if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
 336                              if (!@$thisfile_video['bitrate'] && @$thisfile_audio['bitrate'] && @$ThisFileInfo['bitrate']) {
 337                                  //$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
 338                                  $thisfile_video['bitrate'] = $ThisFileInfo['bitrate'] - $thisfile_audio['bitrate'];
 339                              }
 340  
 341                              $AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
 342                              switch ($AudioCodecFrequency) {
 343                                  case 8:
 344                                  case 8000:
 345                                      $thisfile_audio['sample_rate'] = 8000;
 346                                      break;
 347  
 348                                  case 11:
 349                                  case 11025:
 350                                      $thisfile_audio['sample_rate'] = 11025;
 351                                      break;
 352  
 353                                  case 12:
 354                                  case 12000:
 355                                      $thisfile_audio['sample_rate'] = 12000;
 356                                      break;
 357  
 358                                  case 16:
 359                                  case 16000:
 360                                      $thisfile_audio['sample_rate'] = 16000;
 361                                      break;
 362  
 363                                  case 22:
 364                                  case 22050:
 365                                      $thisfile_audio['sample_rate'] = 22050;
 366                                      break;
 367  
 368                                  case 24:
 369                                  case 24000:
 370                                      $thisfile_audio['sample_rate'] = 24000;
 371                                      break;
 372  
 373                                  case 32:
 374                                  case 32000:
 375                                      $thisfile_audio['sample_rate'] = 32000;
 376                                      break;
 377  
 378                                  case 44:
 379                                  case 441000:
 380                                      $thisfile_audio['sample_rate'] = 44100;
 381                                      break;
 382  
 383                                  case 48:
 384                                  case 48000:
 385                                      $thisfile_audio['sample_rate'] = 48000;
 386                                      break;
 387  
 388                                  default:
 389                                      $ThisFileInfo['warning'][] = 'unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')';
 390      //                                return false;
 391                                      break;
 392                              }
 393  
 394                              if (!isset($thisfile_audio['channels'])) {
 395                                  if (strstr($AudioCodecChannels, 'stereo')) {
 396                                      $thisfile_audio['channels'] = 2;
 397                                  } elseif (strstr($AudioCodecChannels, 'mono')) {
 398                                      $thisfile_audio['channels'] = 1;
 399                                  }
 400                              }
 401                          }
 402                      }
 403                      break;
 404  
 405                  case GETID3_ASF_Script_Command_Object:
 406                      // Script Command Object: (optional, one only)
 407                      // Field Name                   Field Type   Size (bits)
 408                      // Object ID                    GUID         128             // GUID for Script Command object - GETID3_ASF_Script_Command_Object
 409                      // Object Size                  QWORD        64              // size of Script Command object, including 44 bytes of Script Command Object header
 410                      // Reserved                     GUID         128             // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
 411                      // Commands Count               WORD         16              // number of Commands structures in the Script Commands Objects
 412                      // Command Types Count          WORD         16              // number of Command Types structures in the Script Commands Objects
 413                      // Command Types                array of:    variable        //
 414                      // * Command Type Name Length   WORD         16              // number of Unicode characters for Command Type Name
 415                      // * Command Type Name          WCHAR        variable        // array of Unicode characters - name of a type of command
 416                      // Commands                     array of:    variable        //
 417                      // * Presentation Time          DWORD        32              // presentation time of that command, in milliseconds
 418                      // * Type Index                 WORD         16              // type of this command, as a zero-based index into the array of Command Types of this object
 419                      // * Command Name Length        WORD         16              // number of Unicode characters for Command Name
 420                      // * Command Name               WCHAR        variable        // array of Unicode characters - name of this command
 421  
 422                      // shortcut
 423                      $thisfile_asf['script_command_object'] = array();
 424                      $thisfile_asf_scriptcommandobject      = &$thisfile_asf['script_command_object'];
 425  
 426                      $thisfile_asf_scriptcommandobject['objectid']             = $NextObjectGUID;
 427                      $thisfile_asf_scriptcommandobject['objectid_guid']        = $NextObjectGUIDtext;
 428                      $thisfile_asf_scriptcommandobject['objectsize']           = $NextObjectSize;
 429                      $thisfile_asf_scriptcommandobject['reserved']             = substr($ASFHeaderData, $offset, 16);
 430                      $offset += 16;
 431                      $thisfile_asf_scriptcommandobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
 432                      if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
 433                          $ThisFileInfo['warning'][] = 'script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}';
 434                          //return false;
 435                          break;
 436                      }
 437                      $thisfile_asf_scriptcommandobject['commands_count']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 438                      $offset += 2;
 439                      $thisfile_asf_scriptcommandobject['command_types_count']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 440                      $offset += 2;
 441                      for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
 442                          $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
 443                          $offset += 2;
 444                          $thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
 445                          $offset += $CommandTypeNameLength;
 446                      }
 447                      for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
 448                          $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 449                          $offset += 4;
 450                          $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 451                          $offset += 2;
 452  
 453                          $CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
 454                          $offset += 2;
 455                          $thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
 456                          $offset += $CommandTypeNameLength;
 457                      }
 458                      break;
 459  
 460                  case GETID3_ASF_Marker_Object:
 461                      // Marker Object: (optional, one only)
 462                      // Field Name                   Field Type   Size (bits)
 463                      // Object ID                    GUID         128             // GUID for Marker object - GETID3_ASF_Marker_Object
 464                      // Object Size                  QWORD        64              // size of Marker object, including 48 bytes of Marker Object header
 465                      // Reserved                     GUID         128             // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
 466                      // Markers Count                DWORD        32              // number of Marker structures in Marker Object
 467                      // Reserved                     WORD         16              // hardcoded: 0x0000
 468                      // Name Length                  WORD         16              // number of bytes in the Name field
 469                      // Name                         WCHAR        variable        // name of the Marker Object
 470                      // Markers                      array of:    variable        //
 471                      // * Offset                     QWORD        64              // byte offset into Data Object
 472                      // * Presentation Time          QWORD        64              // in 100-nanosecond units
 473                      // * Entry Length               WORD         16              // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
 474                      // * Send Time                  DWORD        32              // in milliseconds
 475                      // * Flags                      DWORD        32              // hardcoded: 0x00000000
 476                      // * Marker Description Length  DWORD        32              // number of bytes in Marker Description field
 477                      // * Marker Description         WCHAR        variable        // array of Unicode characters - description of marker entry
 478                      // * Padding                    BYTESTREAM   variable        // optional padding bytes
 479  
 480                      // shortcut
 481                      $thisfile_asf['marker_object'] = array();
 482                      $thisfile_asf_markerobject     = &$thisfile_asf['marker_object'];
 483  
 484                      $thisfile_asf_markerobject['objectid']             = $NextObjectGUID;
 485                      $thisfile_asf_markerobject['objectid_guid']        = $NextObjectGUIDtext;
 486                      $thisfile_asf_markerobject['objectsize']           = $NextObjectSize;
 487                      $thisfile_asf_markerobject['reserved']             = substr($ASFHeaderData, $offset, 16);
 488                      $offset += 16;
 489                      $thisfile_asf_markerobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
 490                      if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
 491                          $ThisFileInfo['warning'][] = 'marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}';
 492                          break;
 493                      }
 494                      $thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 495                      $offset += 4;
 496                      $thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 497                      $offset += 2;
 498                      if ($thisfile_asf_markerobject['reserved_2'] != 0) {
 499                          $ThisFileInfo['warning'][] = 'marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"';
 500                          break;
 501                      }
 502                      $thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 503                      $offset += 2;
 504                      $thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
 505                      $offset += $thisfile_asf_markerobject['name_length'];
 506                      for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
 507                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['offset']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 508                          $offset += 8;
 509                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
 510                          $offset += 8;
 511                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length']              = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 512                          $offset += 2;
 513                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time']                 = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 514                          $offset += 4;
 515                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['flags']                     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 516                          $offset += 4;
 517                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 518                          $offset += 4;
 519                          $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description']        = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
 520                          $offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
 521                          $PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 -  4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
 522                          if ($PaddingLength > 0) {
 523                              $thisfile_asf_markerobject['markers'][$MarkersCounter]['padding']               = substr($ASFHeaderData, $offset, $PaddingLength);
 524                              $offset += $PaddingLength;
 525                          }
 526                      }
 527                      break;
 528  
 529                  case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
 530                      // Bitrate Mutual Exclusion Object: (optional)
 531                      // Field Name                   Field Type   Size (bits)
 532                      // Object ID                    GUID         128             // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
 533                      // Object Size                  QWORD        64              // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
 534                      // Exlusion Type                GUID         128             // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
 535                      // Stream Numbers Count         WORD         16              // number of video streams
 536                      // Stream Numbers               WORD         variable        // array of mutually exclusive video stream numbers. 1 <= valid <= 127
 537  
 538                      // shortcut
 539                      $thisfile_asf['bitrate_mutual_exclusion_object'] = array();
 540                      $thisfile_asf_bitratemutualexclusionobject       = &$thisfile_asf['bitrate_mutual_exclusion_object'];
 541  
 542                      $thisfile_asf_bitratemutualexclusionobject['objectid']             = $NextObjectGUID;
 543                      $thisfile_asf_bitratemutualexclusionobject['objectid_guid']        = $NextObjectGUIDtext;
 544                      $thisfile_asf_bitratemutualexclusionobject['objectsize']           = $NextObjectSize;
 545                      $thisfile_asf_bitratemutualexclusionobject['reserved']             = substr($ASFHeaderData, $offset, 16);
 546                      $thisfile_asf_bitratemutualexclusionobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
 547                      $offset += 16;
 548                      if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
 549                          $ThisFileInfo['warning'][] = 'bitrate_mutual_exclusion_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']).'} does not match expected "GETID3_ASF_Mutex_Bitrate" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Bitrate).'} or  "GETID3_ASF_Mutex_Unknown" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Unknown).'}';
 550                          //return false;
 551                          break;
 552                      }
 553                      $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 554                      $offset += 2;
 555                      for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
 556                          $thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 557                          $offset += 2;
 558                      }
 559                      break;
 560  
 561                  case GETID3_ASF_Error_Correction_Object:
 562                      // Error Correction Object: (optional, one only)
 563                      // Field Name                   Field Type   Size (bits)
 564                      // Object ID                    GUID         128             // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
 565                      // Object Size                  QWORD        64              // size of Error Correction object, including 44 bytes of Error Correction Object header
 566                      // Error Correction Type        GUID         128             // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
 567                      // Error Correction Data Length DWORD        32              // number of bytes in Error Correction Data field
 568                      // Error Correction Data        BYTESTREAM   variable        // structure depends on value of Error Correction Type field
 569  
 570                      // shortcut
 571                      $thisfile_asf['error_correction_object'] = array();
 572                      $thisfile_asf_errorcorrectionobject      = &$thisfile_asf['error_correction_object'];
 573  
 574                      $thisfile_asf_errorcorrectionobject['objectid']              = $NextObjectGUID;
 575                      $thisfile_asf_errorcorrectionobject['objectid_guid']         = $NextObjectGUIDtext;
 576                      $thisfile_asf_errorcorrectionobject['objectsize']            = $NextObjectSize;
 577                      $thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
 578                      $offset += 16;
 579                      $thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
 580                      $thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 581                      $offset += 4;
 582                      switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
 583                          case GETID3_ASF_No_Error_Correction:
 584                              // should be no data, but just in case there is, skip to the end of the field
 585                              $offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
 586                              break;
 587  
 588                          case GETID3_ASF_Audio_Spread:
 589                              // Field Name                   Field Type   Size (bits)
 590                              // Span                         BYTE         8               // number of packets over which audio will be spread.
 591                              // Virtual Packet Length        WORD         16              // size of largest audio payload found in audio stream
 592                              // Virtual Chunk Length         WORD         16              // size of largest audio payload found in audio stream
 593                              // Silence Data Length          WORD         16              // number of bytes in Silence Data field
 594                              // Silence Data                 BYTESTREAM   variable        // hardcoded: 0x00 * (Silence Data Length) bytes
 595  
 596                              $thisfile_asf_errorcorrectionobject['span']                  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
 597                              $offset += 1;
 598                              $thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 599                              $offset += 2;
 600                              $thisfile_asf_errorcorrectionobject['virtual_chunk_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 601                              $offset += 2;
 602                              $thisfile_asf_errorcorrectionobject['silence_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 603                              $offset += 2;
 604                              $thisfile_asf_errorcorrectionobject['silence_data']          = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
 605                              $offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
 606                              break;
 607  
 608                          default:
 609                              $ThisFileInfo['warning'][] = 'error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['reserved']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or  "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}';
 610                              //return false;
 611                              break;
 612                      }
 613  
 614                      break;
 615  
 616                  case GETID3_ASF_Content_Description_Object:
 617                      // Content Description Object: (optional, one only)
 618                      // Field Name                   Field Type   Size (bits)
 619                      // Object ID                    GUID         128             // GUID for Content Description object - GETID3_ASF_Content_Description_Object
 620                      // Object Size                  QWORD        64              // size of Content Description object, including 34 bytes of Content Description Object header
 621                      // Title Length                 WORD         16              // number of bytes in Title field
 622                      // Author Length                WORD         16              // number of bytes in Author field
 623                      // Copyright Length             WORD         16              // number of bytes in Copyright field
 624                      // Description Length           WORD         16              // number of bytes in Description field
 625                      // Rating Length                WORD         16              // number of bytes in Rating field
 626                      // Title                        WCHAR        16              // array of Unicode characters - Title
 627                      // Author                       WCHAR        16              // array of Unicode characters - Author
 628                      // Copyright                    WCHAR        16              // array of Unicode characters - Copyright
 629                      // Description                  WCHAR        16              // array of Unicode characters - Description
 630                      // Rating                       WCHAR        16              // array of Unicode characters - Rating
 631  
 632                      // shortcut
 633                      $thisfile_asf['content_description_object'] = array();
 634                      $thisfile_asf_contentdescriptionobject      = &$thisfile_asf['content_description_object'];
 635  
 636                      $thisfile_asf_contentdescriptionobject['objectid']              = $NextObjectGUID;
 637                      $thisfile_asf_contentdescriptionobject['objectid_guid']         = $NextObjectGUIDtext;
 638                      $thisfile_asf_contentdescriptionobject['objectsize']            = $NextObjectSize;
 639                      $thisfile_asf_contentdescriptionobject['title_length']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 640                      $offset += 2;
 641                      $thisfile_asf_contentdescriptionobject['author_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 642                      $offset += 2;
 643                      $thisfile_asf_contentdescriptionobject['copyright_length']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 644                      $offset += 2;
 645                      $thisfile_asf_contentdescriptionobject['description_length']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 646                      $offset += 2;
 647                      $thisfile_asf_contentdescriptionobject['rating_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 648                      $offset += 2;
 649                      $thisfile_asf_contentdescriptionobject['title']                 = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
 650                      $offset += $thisfile_asf_contentdescriptionobject['title_length'];
 651                      $thisfile_asf_contentdescriptionobject['author']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
 652                      $offset += $thisfile_asf_contentdescriptionobject['author_length'];
 653                      $thisfile_asf_contentdescriptionobject['copyright']             = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
 654                      $offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
 655                      $thisfile_asf_contentdescriptionobject['description']           = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
 656                      $offset += $thisfile_asf_contentdescriptionobject['description_length'];
 657                      $thisfile_asf_contentdescriptionobject['rating']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
 658                      $offset += $thisfile_asf_contentdescriptionobject['rating_length'];
 659  
 660                      $ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
 661                      foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
 662                          if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
 663                              $thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
 664                          }
 665                      }
 666                      break;
 667  
 668                  case GETID3_ASF_Extended_Content_Description_Object:
 669                      // Extended Content Description Object: (optional, one only)
 670                      // Field Name                   Field Type   Size (bits)
 671                      // Object ID                    GUID         128             // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
 672                      // Object Size                  QWORD        64              // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
 673                      // Content Descriptors Count    WORD         16              // number of entries in Content Descriptors list
 674                      // Content Descriptors          array of:    variable        //
 675                      // * Descriptor Name Length     WORD         16              // size in bytes of Descriptor Name field
 676                      // * Descriptor Name            WCHAR        variable        // array of Unicode characters - Descriptor Name
 677                      // * Descriptor Value Data Type WORD         16              // Lookup array:
 678                                                                                      // 0x0000 = Unicode String (variable length)
 679                                                                                      // 0x0001 = BYTE array     (variable length)
 680                                                                                      // 0x0002 = BOOL           (DWORD, 32 bits)
 681                                                                                      // 0x0003 = DWORD          (DWORD, 32 bits)
 682                                                                                      // 0x0004 = QWORD          (QWORD, 64 bits)
 683                                                                                      // 0x0005 = WORD           (WORD,  16 bits)
 684                      // * Descriptor Value Length    WORD         16              // number of bytes stored in Descriptor Value field
 685                      // * Descriptor Value           variable     variable        // value for Content Descriptor
 686  
 687                      // shortcut
 688                      $thisfile_asf['extended_content_description_object'] = array();
 689                      $thisfile_asf_extendedcontentdescriptionobject       = &$thisfile_asf['extended_content_description_object'];
 690  
 691                      $thisfile_asf_extendedcontentdescriptionobject['objectid']                  = $NextObjectGUID;
 692                      $thisfile_asf_extendedcontentdescriptionobject['objectid_guid']             = $NextObjectGUIDtext;
 693                      $thisfile_asf_extendedcontentdescriptionobject['objectsize']                = $NextObjectSize;
 694                      $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 695                      $offset += 2;
 696                      for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
 697                          // shortcut
 698                          $thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
 699                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current                                  = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
 700  
 701                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset']  = $offset + 30;
 702                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 703                          $offset += 2;
 704                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']         = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
 705                          $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
 706                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 707                          $offset += 2;
 708                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 709                          $offset += 2;
 710                          $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']        = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
 711                          $offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
 712                          switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
 713                              case 0x0000: // Unicode string
 714                                  break;
 715  
 716                              case 0x0001: // BYTE array
 717                                  // do nothing
 718                                  break;
 719  
 720                              case 0x0002: // BOOL
 721                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
 722                                  break;
 723  
 724                              case 0x0003: // DWORD
 725                              case 0x0004: // QWORD
 726                              case 0x0005: // WORD
 727                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
 728                                  break;
 729  
 730                              default:
 731                                  $ThisFileInfo['warning'][] = 'extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')';
 732                                  //return false;
 733                                  break;
 734                          }
 735                          switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
 736  
 737                              case 'wm/albumartist':
 738                              case 'artist':
 739                                  $thisfile_asf_comments['artist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 740                                  break;
 741  
 742                              case 'wm/albumtitle':
 743                              case 'album':
 744                                  $thisfile_asf_comments['album']  = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 745                                  break;
 746  
 747                              case 'wm/genre':
 748                              case 'genre':
 749                                  $thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 750                                  break;
 751  
 752                              case 'wm/tracknumber':
 753                              case 'tracknumber':
 754                                  $thisfile_asf_comments['track'] = array(intval($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'])));
 755                                  break;
 756  
 757                              case 'wm/track':
 758                                  if (empty($thisfile_asf_comments['track'])) {
 759                                      $thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 760                                  }
 761                                  break;
 762  
 763                              case 'wm/year':
 764                              case 'year':
 765                              case 'date':
 766                                  $thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 767                                  break;
 768  
 769                              case 'wm/lyrics':
 770                              case 'lyrics':
 771                                  $thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 772                                  break;
 773  
 774                              case 'isvbr':
 775                                  if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
 776                                      $thisfile_audio['bitrate_mode'] = 'vbr';
 777                                      $thisfile_video['bitrate_mode'] = 'vbr';
 778                                  }
 779                                  break;
 780  
 781                              case 'id3':
 782                                  // id3v2 module might not be loaded
 783                                  if (class_exists('getid3_id3v2')) {
 784                                      $tempfile         = tempnam('*', 'getID3');
 785                                      $tempfilehandle   = fopen($tempfile, "wb");
 786                                      $tempThisfileInfo = array('encoding'=>$ThisFileInfo['encoding']);
 787                                      fwrite($tempfilehandle, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
 788                                      fclose($tempfilehandle);
 789  
 790                                      $tempfilehandle = fopen($tempfile, "rb");
 791                                      $id3 = new getid3_id3v2($tempfilehandle, $tempThisfileInfo);
 792                                      fclose($tempfilehandle);
 793                                      unlink($tempfile);
 794  
 795                                      $ThisFileInfo['id3v2'] = $tempThisfileInfo['id3v2'];
 796                                  }
 797                                  break;
 798  
 799                              case 'wm/encodingtime':
 800                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
 801                                  $thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
 802                                  break;
 803  
 804                              case 'wm/picture':
 805                                  //typedef struct _WMPicture{
 806                                  //  LPWSTR  pwszMIMEType;
 807                                  //  BYTE  bPictureType;
 808                                  //  LPWSTR  pwszDescription;
 809                                  //  DWORD  dwDataLen;
 810                                  //  BYTE*  pbData;
 811                                  //} WM_PICTURE;
 812  
 813                                  $wm_picture_offset = 0;
 814                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
 815                                  $wm_picture_offset += 1;
 816                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type']    = $this->WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
 817                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size']    = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
 818                                  $wm_picture_offset += 4;
 819  
 820                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
 821                                  do {
 822                                      $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
 823                                      $wm_picture_offset += 2;
 824                                      $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
 825                                  } while ($next_byte_pair !== "\x00\x00");
 826  
 827                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
 828                                  do {
 829                                      $next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
 830                                      $wm_picture_offset += 2;
 831                                      $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
 832                                  } while ($next_byte_pair !== "\x00\x00");
 833  
 834                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
 835                                  $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
 836                                  unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
 837  
 838                                  break;
 839  
 840                              default:
 841                                  switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
 842                                      case 0: // Unicode string
 843                                          if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
 844                                              $thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
 845                                          }
 846                                          break;
 847  
 848                                      case 1:
 849                                          break;
 850                                  }
 851                                  break;
 852                          }
 853  
 854                      }
 855                      break;
 856  
 857                  case GETID3_ASF_Stream_Bitrate_Properties_Object:
 858                      // Stream Bitrate Properties Object: (optional, one only)
 859                      // Field Name                   Field Type   Size (bits)
 860                      // Object ID                    GUID         128             // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
 861                      // Object Size                  QWORD        64              // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
 862                      // Bitrate Records Count        WORD         16              // number of records in Bitrate Records
 863                      // Bitrate Records              array of:    variable        //
 864                      // * Flags                      WORD         16              //
 865                      // * * Stream Number            bits         7  (0x007F)     // number of this stream
 866                      // * * Reserved                 bits         9  (0xFF80)     // hardcoded: 0
 867                      // * Average Bitrate            DWORD        32              // in bits per second
 868  
 869                      // shortcut
 870                      $thisfile_asf['stream_bitrate_properties_object'] = array();
 871                      $thisfile_asf_streambitratepropertiesobject       = &$thisfile_asf['stream_bitrate_properties_object'];
 872  
 873                      $thisfile_asf_streambitratepropertiesobject['objectid']                  = $NextObjectGUID;
 874                      $thisfile_asf_streambitratepropertiesobject['objectid_guid']             = $NextObjectGUIDtext;
 875                      $thisfile_asf_streambitratepropertiesobject['objectsize']                = $NextObjectSize;
 876                      $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 877                      $offset += 2;
 878                      for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
 879                          $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
 880                          $offset += 2;
 881                          $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
 882                          $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
 883                          $offset += 4;
 884                      }
 885                      break;
 886  
 887                  case GETID3_ASF_Padding_Object:
 888                      // Padding Object: (optional)
 889                      // Field Name                   Field Type   Size (bits)
 890                      // Object ID                    GUID         128             // GUID for Padding object - GETID3_ASF_Padding_Object
 891                      // Object Size                  QWORD        64              // size of Padding object, including 24 bytes of ASF Padding Object header
 892                      // Padding Data                 BYTESTREAM   variable        // ignore
 893  
 894                      // shortcut
 895                      $thisfile_asf['padding_object'] = array();
 896                      $thisfile_asf_paddingobject     = &$thisfile_asf['padding_object'];
 897  
 898                      $thisfile_asf_paddingobject['objectid']                  = $NextObjectGUID;
 899                      $thisfile_asf_paddingobject['objectid_guid']             = $NextObjectGUIDtext;
 900                      $thisfile_asf_paddingobject['objectsize']                = $NextObjectSize;
 901                      $thisfile_asf_paddingobject['padding_length']            = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
 902                      $thisfile_asf_paddingobject['padding']                   = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
 903                      break;
 904  
 905                  case GETID3_ASF_Extended_Content_Encryption_Object:
 906                  case GETID3_ASF_Content_Encryption_Object:
 907                      // WMA DRM - just ignore
 908                      $offset += ($NextObjectSize - 16 - 8);
 909                      break;
 910  
 911                  default:
 912                      // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
 913                      if ($this->GUIDname($NextObjectGUIDtext)) {
 914                          $ThisFileInfo['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
 915                      } else {
 916                          $ThisFileInfo['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
 917                      }
 918                      $offset += ($NextObjectSize - 16 - 8);
 919                      break;
 920              }
 921          }
 922          if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
 923              $ASFbitrateAudio = 0;
 924              $ASFbitrateVideo = 0;
 925              for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) {
 926                  if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
 927                      switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
 928                          case 1:
 929                              $ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
 930                              break;
 931  
 932                          case 2:
 933                              $ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
 934                              break;
 935  
 936                          default:
 937                              // do nothing
 938                              break;
 939                      }
 940                  }
 941              }
 942              if ($ASFbitrateAudio > 0) {
 943                  $thisfile_audio['bitrate'] = $ASFbitrateAudio;
 944              }
 945              if ($ASFbitrateVideo > 0) {
 946                  $thisfile_video['bitrate'] = $ASFbitrateVideo;
 947              }
 948          }
 949          if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
 950  
 951              $thisfile_audio['bitrate'] = 0;
 952              $thisfile_video['bitrate'] = 0;
 953  
 954              foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
 955  
 956                  switch ($streamdata['stream_type']) {
 957                      case GETID3_ASF_Audio_Media:
 958                          // Field Name                   Field Type   Size (bits)
 959                          // Codec ID / Format Tag        WORD         16              // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
 960                          // Number of Channels           WORD         16              // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
 961                          // Samples Per Second           DWORD        32              // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
 962                          // Average number of Bytes/sec  DWORD        32              // bytes/sec of audio stream  - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
 963                          // Block Alignment              WORD         16              // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
 964                          // Bits per sample              WORD         16              // bits per sample of mono data. set to zero for variable bitrate codecs. defined as wBitsPerSample field of WAVEFORMATEX structure
 965                          // Codec Specific Data Size     WORD         16              // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
 966                          // Codec Specific Data          BYTESTREAM   variable        // array of codec-specific data bytes
 967  
 968                          // shortcut
 969                          $thisfile_asf['audio_media'][$streamnumber] = array();
 970                          $thisfile_asf_audiomedia_currentstream      = &$thisfile_asf['audio_media'][$streamnumber];
 971  
 972                          $audiomediaoffset = 0;
 973  
 974                          $thisfile_asf_audiomedia_currentstream = getid3_riff::RIFFparseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
 975                          $audiomediaoffset += 16;
 976  
 977                          $thisfile_audio['lossless'] = false;
 978                          switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
 979                              case 0x0001: // PCM
 980                              case 0x0163: // WMA9 Lossless
 981                                  $thisfile_audio['lossless'] = true;
 982                                  break;
 983                          }
 984  
 985                          if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
 986                              foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
 987                                  if (@$dataarray['flags']['stream_number'] == $streamnumber) {
 988                                      $thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
 989                                      $thisfile_audio['bitrate'] += $dataarray['bitrate'];
 990                                      break;
 991                                  }
 992                              }
 993                          } else {
 994                              if (@$thisfile_asf_audiomedia_currentstream['bytes_sec']) {
 995                                  $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
 996                              } elseif (@$thisfile_asf_audiomedia_currentstream['bitrate']) {
 997                                  $thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
 998                              }
 999                          }
1000                          $thisfile_audio['streams'][$streamnumber]                = $thisfile_asf_audiomedia_currentstream;
1001                          $thisfile_audio['streams'][$streamnumber]['wformattag']  = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1002                          $thisfile_audio['streams'][$streamnumber]['lossless']    = $thisfile_audio['lossless'];
1003                          $thisfile_audio['streams'][$streamnumber]['bitrate']     = $thisfile_audio['bitrate'];
1004                          unset($thisfile_audio['streams'][$streamnumber]['raw']);
1005  
1006                          $thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1007                          $audiomediaoffset += 2;
1008                          $thisfile_asf_audiomedia_currentstream['codec_data']      = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1009                          $audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1010  
1011                          break;
1012  
1013                      case GETID3_ASF_Video_Media:
1014                          // Field Name                   Field Type   Size (bits)
1015                          // Encoded Image Width          DWORD        32              // width of image in pixels
1016                          // Encoded Image Height         DWORD        32              // height of image in pixels
1017                          // Reserved Flags               BYTE         8               // hardcoded: 0x02
1018                          // Format Data Size             WORD         16              // size of Format Data field in bytes
1019                          // Format Data                  array of:    variable        //
1020                          // * Format Data Size           DWORD        32              // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1021                          // * Image Width                LONG         32              // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1022                          // * Image Height               LONG         32              // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1023                          // * Reserved                   WORD         16              // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1024                          // * Bits Per Pixel Count       WORD         16              // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1025                          // * Compression ID             FOURCC       32              // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1026                          // * Image Size                 DWORD        32              // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1027                          // * Horizontal Pixels / Meter  DWORD        32              // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1028                          // * Vertical Pixels / Meter    DWORD        32              // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1029                          // * Colors Used Count          DWORD        32              // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1030                          // * Important Colors Count     DWORD        32              // number of color index required for displaying bitmap. if zero, all colors are required. defined as biClrImportant field of BITMAPINFOHEADER structure
1031                          // * Codec Specific Data        BYTESTREAM   variable        // array of codec-specific data bytes
1032  
1033                          // shortcut
1034                          $thisfile_asf['video_media'][$streamnumber] = array();
1035                          $thisfile_asf_videomedia_currentstream      = &$thisfile_asf['video_media'][$streamnumber];
1036  
1037                          $videomediaoffset = 0;
1038                          $thisfile_asf_videomedia_currentstream['image_width']                     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1039                          $videomediaoffset += 4;
1040                          $thisfile_asf_videomedia_currentstream['image_height']                    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1041                          $videomediaoffset += 4;
1042                          $thisfile_asf_videomedia_currentstream['flags']                           = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1043                          $videomediaoffset += 1;
1044                          $thisfile_asf_videomedia_currentstream['format_data_size']                = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1045                          $videomediaoffset += 2;
1046                          $thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1047                          $videomediaoffset += 4;
1048                          $thisfile_asf_videomedia_currentstream['format_data']['image_width']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1049                          $videomediaoffset += 4;
1050                          $thisfile_asf_videomedia_currentstream['format_data']['image_height']     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1051                          $videomediaoffset += 4;
1052                          $thisfile_asf_videomedia_currentstream['format_data']['reserved']         = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1053                          $videomediaoffset += 2;
1054                          $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']   = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1055                          $videomediaoffset += 2;
1056                          $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']     = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1057                          $videomediaoffset += 4;
1058                          $thisfile_asf_videomedia_currentstream['format_data']['image_size']       = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1059                          $videomediaoffset += 4;
1060                          $thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels']  = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1061                          $videomediaoffset += 4;
1062                          $thisfile_asf_videomedia_currentstream['format_data']['vertical_pels']    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1063                          $videomediaoffset += 4;
1064                          $thisfile_asf_videomedia_currentstream['format_data']['colors_used']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1065                          $videomediaoffset += 4;
1066                          $thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1067                          $videomediaoffset += 4;
1068                          $thisfile_asf_videomedia_currentstream['format_data']['codec_data']       = substr($streamdata['type_specific_data'], $videomediaoffset);
1069  
1070                          if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1071                              foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1072                                  if (@$dataarray['flags']['stream_number'] == $streamnumber) {
1073                                      $thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1074                                      $thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate']; 
1075                                      $thisfile_video['bitrate'] += $dataarray['bitrate'];
1076                                      break;
1077                                  }
1078                              }
1079                          }
1080  
1081                          $thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::RIFFfourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1082  
1083                          $thisfile_video['streams'][$streamnumber]['fourcc']          = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1084                          $thisfile_video['streams'][$streamnumber]['codec']           = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1085                          $thisfile_video['streams'][$streamnumber]['resolution_x']    = $thisfile_asf_videomedia_currentstream['image_width'];
1086                          $thisfile_video['streams'][$streamnumber]['resolution_y']    = $thisfile_asf_videomedia_currentstream['image_height'];
1087                          $thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1088                          break;
1089  
1090                      default:
1091                          break;
1092                  }
1093              }
1094          }
1095  
1096          while (ftell($fd) < $ThisFileInfo['avdataend']) {
1097              $NextObjectDataHeader = fread($fd, 24);
1098              $offset = 0;
1099              $NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1100              $offset += 16;
1101              $NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1102              $NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1103              $offset += 8;
1104  
1105              switch ($NextObjectGUID) {
1106                  case GETID3_ASF_Data_Object:
1107                      // Data Object: (mandatory, one only)
1108                      // Field Name                       Field Type   Size (bits)
1109                      // Object ID                        GUID         128             // GUID for Data object - GETID3_ASF_Data_Object
1110                      // Object Size                      QWORD        64              // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1111                      // File ID                          GUID         128             // unique identifier. identical to File ID field in Header Object
1112                      // Total Data Packets               QWORD        64              // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1113                      // Reserved                         WORD         16              // hardcoded: 0x0101
1114  
1115                      // shortcut
1116                      $thisfile_asf['data_object'] = array();
1117                      $thisfile_asf_dataobject     = &$thisfile_asf['data_object'];
1118  
1119                      $DataObjectData = $NextObjectDataHeader.fread($fd, 50 - 24);
1120                      $offset = 24;
1121  
1122                      $thisfile_asf_dataobject['objectid']           = $NextObjectGUID;
1123                      $thisfile_asf_dataobject['objectid_guid']      = $NextObjectGUIDtext;
1124                      $thisfile_asf_dataobject['objectsize']         = $NextObjectSize;
1125  
1126                      $thisfile_asf_dataobject['fileid']             = substr($DataObjectData, $offset, 16);
1127                      $offset += 16;
1128                      $thisfile_asf_dataobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1129                      $thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1130                      $offset += 8;
1131                      $thisfile_asf_dataobject['reserved']           = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1132                      $offset += 2;
1133                      if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1134                          $ThisFileInfo['warning'][] = 'data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"';
1135                          //return false;
1136                          break;
1137                      }
1138  
1139                      // Data Packets                     array of:    variable        //
1140                      // * Error Correction Flags         BYTE         8               //
1141                      // * * Error Correction Data Length bits         4               // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1142                      // * * Opaque Data Present          bits         1               //
1143                      // * * Error Correction Length Type bits         2               // number of bits for size of the error correction data. hardcoded: 00
1144                      // * * Error Correction Present     bits         1               // If set, use Opaque Data Packet structure, else use Payload structure
1145                      // * Error Correction Data
1146  
1147                      $ThisFileInfo['avdataoffset'] = ftell($fd);
1148                      fseek($fd, ($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
1149                      $ThisFileInfo['avdataend'] = ftell($fd);
1150                      break;
1151  
1152                  case GETID3_ASF_Simple_Index_Object:
1153                      // Simple Index Object: (optional, recommended, one per video stream)
1154                      // Field Name                       Field Type   Size (bits)
1155                      // Object ID                        GUID         128             // GUID for Simple Index object - GETID3_ASF_Data_Object
1156                      // Object Size                      QWORD        64              // size of Simple Index object, including 56 bytes of Simple Index Object header
1157                      // File ID                          GUID         128             // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1158                      // Index Entry Time Interval        QWORD        64              // interval between index entries in 100-nanosecond units
1159                      // Maximum Packet Count             DWORD        32              // maximum packet count for all index entries
1160                      // Index Entries Count              DWORD        32              // number of Index Entries structures
1161                      // Index Entries                    array of:    variable        //
1162                      // * Packet Number                  DWORD        32              // number of the Data Packet associated with this index entry
1163                      // * Packet Count                   WORD         16              // number of Data Packets to sent at this index entry
1164  
1165                      // shortcut
1166                      $thisfile_asf['simple_index_object'] = array();
1167                      $thisfile_asf_simpleindexobject      = &$thisfile_asf['simple_index_object'];
1168  
1169                      $SimpleIndexObjectData = $NextObjectDataHeader.fread($fd, 56 - 24);
1170                      $offset = 24;
1171  
1172                      $thisfile_asf_simpleindexobject['objectid']                  = $NextObjectGUID;
1173                      $thisfile_asf_simpleindexobject['objectid_guid']             = $NextObjectGUIDtext;
1174                      $thisfile_asf_simpleindexobject['objectsize']                = $NextObjectSize;
1175  
1176                      $thisfile_asf_simpleindexobject['fileid']                    =                  substr($SimpleIndexObjectData, $offset, 16);
1177                      $offset += 16;
1178                      $thisfile_asf_simpleindexobject['fileid_guid']               = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1179                      $thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1180                      $offset += 8;
1181                      $thisfile_asf_simpleindexobject['maximum_packet_count']      = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1182                      $offset += 4;
1183                      $thisfile_asf_simpleindexobject['index_entries_count']       = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1184                      $offset += 4;
1185  
1186                      $IndexEntriesData = $SimpleIndexObjectData.fread($fd, 6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1187                      for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
1188                          $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1189                          $offset += 4;
1190                          $thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count']  = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1191                          $offset += 2;
1192                      }
1193  
1194                      break;
1195  
1196                  case GETID3_ASF_Index_Object:
1197                      // 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1198                      // Field Name                       Field Type   Size (bits)
1199                      // Object ID                        GUID         128             // GUID for the Index Object - GETID3_ASF_Index_Object
1200                      // Object Size                      QWORD        64              // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1201                      // Index Entry Time Interval        DWORD        32              // Specifies the time interval between each index entry in ms.
1202                      // Index Specifiers Count           WORD         16              // Specifies the number of Index Specifiers structures in this Index Object.
1203                      // Index Blocks Count               DWORD        32              // Specifies the number of Index Blocks structures in this Index Object.
1204  
1205                      // Index Entry Time Interval        DWORD        32              // Specifies the time interval between index entries in milliseconds.  This value cannot be 0.
1206                      // Index Specifiers Count           WORD         16              // Specifies the number of entries in the Index Specifiers list.  Valid values are 1 and greater.
1207                      // Index Specifiers                 array of:    varies          //
1208                      // * Stream Number                  WORD         16              // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1209                      // * Index Type                     WORD         16              // Specifies Index Type values as follows:
1210                                                                                      //   1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1211                                                                                      //   2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1212                                                                                      //   3 = Nearest Past Cleanpoint. - indexes point to the closest data packet containing an entire object (or first fragment of an object) that has the Cleanpoint Flag set.
1213                                                                                      //   Nearest Past Cleanpoint is the most common type of index.
1214                      // Index Entry Count                DWORD        32              // Specifies the number of Index Entries in the block.
1215                      // * Block Positions                QWORD        varies          // Specifies a list of byte offsets of the beginnings of the blocks relative to the beginning of the first Data Packet (i.e., the beginning of the Data Object + 50 bytes). The number of entries in this list is specified by the value of the Index Specifiers Count field. The order of those byte offsets is tied to the order in which Index Specifiers are listed.
1216                      // * Index Entries                  array of:    varies          //
1217                      // * * Offsets                      DWORD        varies          // An offset value of 0xffffffff indicates an invalid offset value
1218  
1219                      // shortcut
1220                      $thisfile_asf['asf_index_object'] = array();
1221                      $thisfile_asf_asfindexobject      = &$thisfile_asf['asf_index_object'];
1222  
1223                      $ASFIndexObjectData = $NextObjectDataHeader.fread($fd, 34 - 24);
1224                      $offset = 24;
1225  
1226                      $thisfile_asf_asfindexobject['objectid']                  = $NextObjectGUID;
1227                      $thisfile_asf_asfindexobject['objectid_guid']             = $NextObjectGUIDtext;
1228                      $thisfile_asf_asfindexobject['objectsize']                = $NextObjectSize;
1229  
1230                      $thisfile_asf_asfindexobject['entry_time_interval']       = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1231                      $offset += 4;
1232                      $thisfile_asf_asfindexobject['index_specifiers_count']    = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1233                      $offset += 2;
1234                      $thisfile_asf_asfindexobject['index_blocks_count']        = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1235                      $offset += 4;
1236  
1237                      $ASFIndexObjectData .= fread($fd, 4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1238                      for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1239                          $IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1240                          $offset += 2;
1241                          $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number']   = $IndexSpecifierStreamNumber;
1242                          $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']      = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1243                          $offset += 2;
1244                          $thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1245                      }
1246  
1247                      $ASFIndexObjectData .= fread($fd, 4);
1248                      $thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1249                      $offset += 4;
1250  
1251                      $ASFIndexObjectData .= fread($fd, 8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1252                      for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1253                          $thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1254                          $offset += 8;
1255                      }
1256  
1257                      $ASFIndexObjectData .= fread($fd, 4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1258                      for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
1259                          for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1260                              $thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1261                              $offset += 4;
1262                          }
1263                      }
1264                      break;
1265  
1266  
1267                  default:
1268                      // Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1269                      if ($this->GUIDname($NextObjectGUIDtext)) {
1270                          $ThisFileInfo['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8);
1271                      } else {
1272                          $ThisFileInfo['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.(ftell($fd) - 16 - 8);
1273                      }
1274                      fseek($fd, ($NextObjectSize - 16 - 8), SEEK_CUR);
1275                      break;
1276              }
1277          }
1278  
1279          if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1280              foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1281                  switch ($streamdata['information']) {
1282                      case 'WMV1':
1283                      case 'WMV2':
1284                      case 'WMV3':
1285                          $thisfile_video['dataformat'] = 'wmv';
1286                          $ThisFileInfo['mime_type']    = 'video/x-ms-wmv';
1287                          break;
1288  
1289                      case 'MP42':
1290                      case 'MP43':
1291                      case 'MP4S':
1292                      case 'mp4s':
1293                          $thisfile_video['dataformat'] = 'asf';
1294                          $ThisFileInfo['mime_type']    = 'video/x-ms-asf';
1295                          break;
1296  
1297                      default:
1298                          switch ($streamdata['type_raw']) {
1299                              case 1:
1300                                  if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1301                                      $thisfile_video['dataformat'] = 'wmv';
1302                                      if ($ThisFileInfo['mime_type'] == 'video/x-ms-asf') {
1303                                          $ThisFileInfo['mime_type'] = 'video/x-ms-wmv';
1304                                      }
1305                                  }
1306                                  break;
1307  
1308                              case 2:
1309                                  if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1310                                      $thisfile_audio['dataformat'] = 'wma';
1311                                      if ($ThisFileInfo['mime_type'] == 'video/x-ms-asf') {
1312                                          $ThisFileInfo['mime_type'] = 'audio/x-ms-wma';
1313                                      }
1314                                  }
1315                                  break;
1316  
1317                          }
1318                          break;
1319                  }
1320              }
1321          }
1322  
1323          switch (@$thisfile_audio['codec']) {
1324              case 'MPEG Layer-3':
1325                  $thisfile_audio['dataformat'] = 'mp3';
1326                  break;
1327  
1328              default:
1329                  break;
1330          }
1331  
1332          if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1333              foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1334                  switch ($streamdata['type_raw']) {
1335  
1336                      case 1: // video
1337                          $thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1338                          break;
1339  
1340                      case 2: // audio
1341                          $thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1342  
1343                          // AH 2003-10-01
1344                          $thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1345  
1346                          $thisfile_audio['codec']   = $thisfile_audio['encoder'];
1347                          break;
1348  
1349                      default:
1350                          $ThisFileInfo['warning'][] = 'Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw'];
1351                          break;
1352  
1353                  }
1354              }
1355          }
1356  
1357          if (isset($ThisFileInfo['audio'])) {
1358              $thisfile_audio['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
1359              $thisfile_audio['dataformat']         = (!empty($thisfile_audio['dataformat'])        ? $thisfile_audio['dataformat']         : 'asf');
1360          }
1361          if (!empty($thisfile_video['dataformat'])) {
1362              $thisfile_video['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
1363              $thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1364              $thisfile_video['dataformat']         = (!empty($thisfile_video['dataformat'])        ? $thisfile_video['dataformat']         : 'asf');
1365          }
1366          $ThisFileInfo['bitrate'] = @$thisfile_audio['bitrate'] + @$thisfile_video['bitrate'];
1367          return true;
1368      }
1369  
1370  	function ASFCodecListObjectTypeLookup($CodecListType) {
1371          static $ASFCodecListObjectTypeLookup = array();
1372          if (empty($ASFCodecListObjectTypeLookup)) {
1373              $ASFCodecListObjectTypeLookup[0x0001] = 'Video Codec';
1374              $ASFCodecListObjectTypeLookup[0x0002] = 'Audio Codec';
1375              $ASFCodecListObjectTypeLookup[0xFFFF] = 'Unknown Codec';
1376          }
1377  
1378          return (isset($ASFCodecListObjectTypeLookup[$CodecListType]) ? $ASFCodecListObjectTypeLookup[$CodecListType] : 'Invalid Codec Type');
1379      }
1380  
1381  	function KnownGUIDs() {
1382          static $GUIDarray = array();
1383          if (empty($GUIDarray)) {
1384              $GUIDarray['GETID3_ASF_Extended_Stream_Properties_Object']   = '14E6A5CB-C672-4332-8399-A96952065B5A';
1385              $GUIDarray['GETID3_ASF_Padding_Object']                      = '1806D474-CADF-4509-A4BA-9AABCB96AAE8';
1386              $GUIDarray['GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio'] = '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8';
1387              $GUIDarray['GETID3_ASF_Script_Command_Object']               = '1EFB1A30-0B62-11D0-A39B-00A0C90348F6';
1388              $GUIDarray['GETID3_ASF_No_Error_Correction']                 = '20FB5700-5B55-11CF-A8FD-00805F5C442B';
1389              $GUIDarray['GETID3_ASF_Content_Branding_Object']             = '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E';
1390              $GUIDarray['GETID3_ASF_Content_Encryption_Object']           = '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E';
1391              $GUIDarray['GETID3_ASF_Digital_Signature_Object']            = '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E';
1392              $GUIDarray['GETID3_ASF_Extended_Content_Encryption_Object']  = '298AE614-2622-4C17-B935-DAE07EE9289C';
1393              $GUIDarray['GETID3_ASF_Simple_Index_Object']                 = '33000890-E5B1-11CF-89F4-00A0C90349CB';
1394              $GUIDarray['GETID3_ASF_Degradable_JPEG_Media']               = '35907DE0-E415-11CF-A917-00805F5C442B';
1395              $GUIDarray['GETID3_ASF_Payload_Extension_System_Timecode']   = '399595EC-8667-4E2D-8FDB-98814CE76C1E';
1396              $GUIDarray['GETID3_ASF_Binary_Media']                        = '3AFB65E2-47EF-40F2-AC2C-70A90D71D343';
1397              $GUIDarray['GETID3_ASF_Timecode_Index_Object']               = '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C';
1398              $GUIDarray['GETID3_ASF_Metadata_Library_Object']             = '44231C94-9498-49D1-A141-1D134E457054';
1399              $GUIDarray['GETID3_ASF_Reserved_3']                          = '4B1ACBE3-100B-11D0-A39B-00A0C90348F6';
1400              $GUIDarray['GETID3_ASF_Reserved_4']                          = '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB';
1401              $GUIDarray['GETID3_ASF_Command_Media']                       = '59DACFC0-59E6-11D0-A3AC-00A0C90348F6';
1402              $GUIDarray['GETID3_ASF_Header_Extension_Object']             = '5FBF03B5-A92E-11CF-8EE3-00C00C205365';
1403              $GUIDarray['GETID3_ASF_Media_Object_Index_Parameters_Obj']   = '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7';
1404              $GUIDarray['GETID3_ASF_Header_Object']                       = '75B22630-668E-11CF-A6D9-00AA0062CE6C';
1405              $GUIDarray['GETID3_ASF_Content_Description_Object']          = '75B22633-668E-11CF-A6D9-00AA0062CE6C';
1406              $GUIDarray['GETID3_ASF_Error_Correction_Object']             = '75B22635-668E-11CF-A6D9-00AA0062CE6C';
1407              $GUIDarray['GETID3_ASF_Data_Object']                         = '75B22636-668E-11CF-A6D9-00AA0062CE6C';
1408              $GUIDarray['GETID3_ASF_Web_Stream_Media_Subtype']            = '776257D4-C627-41CB-8F81-7AC7FF1C40CC';
1409              $GUIDarray['GETID3_ASF_Stream_Bitrate_Properties_Object']    = '7BF875CE-468D-11D1-8D82-006097C9A2B2';
1410              $GUIDarray['GETID3_ASF_Language_List_Object']                = '7C4346A9-EFE0-4BFC-B229-393EDE415C85';
1411              $GUIDarray['GETID3_ASF_Codec_List_Object']                   = '86D15240-311D-11D0-A3A4-00A0C90348F6';
1412              $GUIDarray['GETID3_ASF_Reserved_2']                          = '86D15241-311D-11D0-A3A4-00A0C90348F6';
1413              $GUIDarray['GETID3_ASF_File_Properties_Object']              = '8CABDCA1-A947-11CF-8EE4-00C00C205365';
1414              $GUIDarray['GETID3_ASF_File_Transfer_Media']                 = '91BD222C-F21C-497A-8B6D-5AA86BFC0185';
1415              $GUIDarray['GETID3_ASF_Old_RTP_Extension_Data']              = '96800C63-4C94-11D1-837B-0080C7A37F95';
1416              $GUIDarray['GETID3_ASF_Advanced_Mutual_Exclusion_Object']    = 'A08649CF-4775-4670-8A16-6E35357566CD';
1417              $GUIDarray['GETID3_ASF_Bandwidth_Sharing_Object']            = 'A69609E6-517B-11D2-B6AF-00C04FD908E9';
1418              $GUIDarray['GETID3_ASF_Reserved_1']                          = 'ABD3D211-A9BA-11cf-8EE6-00C00C205365';
1419              $GUIDarray['GETID3_ASF_Bandwidth_Sharing_Exclusive']         = 'AF6060AA-5197-11D2-B6AF-00C04FD908E9';
1420              $GUIDarray['GETID3_ASF_Bandwidth_Sharing_Partial']           = 'AF6060AB-5197-11D2-B6AF-00C04FD908E9';
1421              $GUIDarray['GETID3_ASF_JFIF_Media']                          = 'B61BE100-5B4E-11CF-A8FD-00805F5C442B';
1422              $GUIDarray['GETID3_ASF_Stream_Properties_Object']            = 'B7DC0791-A9B7-11CF-8EE6-00C00C205365';
1423              $GUIDarray['GETID3_ASF_Video_Media']                         = 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B';
1424              $GUIDarray['GETID3_ASF_Audio_Spread']                        = 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220';
1425              $GUIDarray['GETID3_ASF_Metadata_Object']                     = 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA';
1426              $GUIDarray['GETID3_ASF_Payload_Ext_Syst_Sample_Duration']    = 'C6BD9450-867F-4907-83A3-C77921B733AD';
1427              $GUIDarray['GETID3_ASF_Group_Mutual_Exclusion_Object']       = 'D1465A40-5A79-4338-B71B-E36B8FD6C249';
1428              $GUIDarray['GETID3_ASF_Extended_Content_Description_Object'] = 'D2D0A440-E307-11D2-97F0-00A0C95EA850';
1429              $GUIDarray['GETID3_ASF_Stream_Prioritization_Object']        = 'D4FED15B-88D3-454F-81F0-ED5C45999E24';
1430              $GUIDarray['GETID3_ASF_Payload_Ext_System_Content_Type']     = 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC';
1431              $GUIDarray['GETID3_ASF_Old_File_Properties_Object']          = 'D6E229D0-35DA-11D1-9034-00A0C90349BE';
1432              $GUIDarray['GETID3_ASF_Old_ASF_Header_Object']               = 'D6E229D1-35DA-11D1-9034-00A0C90349BE';
1433              $GUIDarray['GETID3_ASF_Old_ASF_Data_Object']                 = 'D6E229D2-35DA-11D1-9034-00A0C90349BE';
1434              $GUIDarray['GETID3_ASF_Index_Object']                        = 'D6E229D3-35DA-11D1-9034-00A0C90349BE';
1435              $GUIDarray['GETID3_ASF_Old_Stream_Properties_Object']        = 'D6E229D4-35DA-11D1-9034-00A0C90349BE';
1436              $GUIDarray['GETID3_ASF_Old_Content_Description_Object']      = 'D6E229D5-35DA-11D1-9034-00A0C90349BE';
1437              $GUIDarray['GETID3_ASF_Old_Script_Command_Object']           = 'D6E229D6-35DA-11D1-9034-00A0C90349BE';
1438              $GUIDarray['GETID3_ASF_Old_Marker_Object']                   = 'D6E229D7-35DA-11D1-9034-00A0C90349BE';
1439              $GUIDarray['GETID3_ASF_Old_Component_Download_Object']       = 'D6E229D8-35DA-11D1-9034-00A0C90349BE';
1440              $GUIDarray['GETID3_ASF_Old_Stream_Group_Object']             = 'D6E229D9-35DA-11D1-9034-00A0C90349BE';
1441              $GUIDarray['GETID3_ASF_Old_Scalable_Object']                 = 'D6E229DA-35DA-11D1-9034-00A0C90349BE';
1442              $GUIDarray['GETID3_ASF_Old_Prioritization_Object']           = 'D6E229DB-35DA-11D1-9034-00A0C90349BE';
1443              $GUIDarray['GETID3_ASF_Bitrate_Mutual_Exclusion_Object']     = 'D6E229DC-35DA-11D1-9034-00A0C90349BE';
1444              $GUIDarray['GETID3_ASF_Old_Inter_Media_Dependency_Object']   = 'D6E229DD-35DA-11D1-9034-00A0C90349BE';
1445              $GUIDarray['GETID3_ASF_Old_Rating_Object']                   = 'D6E229DE-35DA-11D1-9034-00A0C90349BE';
1446              $GUIDarray['GETID3_ASF_Index_Parameters_Object']             = 'D6E229DF-35DA-11D1-9034-00A0C90349BE';
1447              $GUIDarray['GETID3_ASF_Old_Color_Table_Object']              = 'D6E229E0-35DA-11D1-9034-00A0C90349BE';
1448              $GUIDarray['GETID3_ASF_Old_Language_List_Object']            = 'D6E229E1-35DA-11D1-9034-00A0C90349BE';
1449              $GUIDarray['GETID3_ASF_Old_Audio_Media']                     = 'D6E229E2-35DA-11D1-9034-00A0C90349BE';
1450              $GUIDarray['GETID3_ASF_Old_Video_Media']                     = 'D6E229E3-35DA-11D1-9034-00A0C90349BE';
1451              $GUIDarray['GETID3_ASF_Old_Image_Media']                     = 'D6E229E4-35DA-11D1-9034-00A0C90349BE';
1452              $GUIDarray['GETID3_ASF_Old_Timecode_Media']                  = 'D6E229E5-35DA-11D1-9034-00A0C90349BE';
1453              $GUIDarray['GETID3_ASF_Old_Text_Media']                      = 'D6E229E6-35DA-11D1-9034-00A0C90349BE';
1454              $GUIDarray['GETID3_ASF_Old_MIDI_Media']                      = 'D6E229E7-35DA-11D1-9034-00A0C90349BE';
1455              $GUIDarray['GETID3_ASF_Old_Command_Media']                   = 'D6E229E8-35DA-11D1-9034-00A0C90349BE';
1456              $GUIDarray['GETID3_ASF_Old_No_Error_Concealment']            = 'D6E229EA-35DA-11D1-9034-00A0C90349BE';
1457              $GUIDarray['GETID3_ASF_Old_Scrambled_Audio']                 = 'D6E229EB-35DA-11D1-9034-00A0C90349BE';
1458              $GUIDarray['GETID3_ASF_Old_No_Color_Table']                  = 'D6E229EC-35DA-11D1-9034-00A0C90349BE';
1459              $GUIDarray['GETID3_ASF_Old_SMPTE_Time']                      = 'D6E229ED-35DA-11D1-9034-00A0C90349BE';
1460              $GUIDarray['GETID3_ASF_Old_ASCII_Text']                      = 'D6E229EE-35DA-11D1-9034-00A0C90349BE';
1461              $GUIDarray['GETID3_ASF_Old_Unicode_Text']                    = 'D6E229EF-35DA-11D1-9034-00A0C90349BE';
1462              $GUIDarray['GETID3_ASF_Old_HTML_Text']                       = 'D6E229F0-35DA-11D1-9034-00A0C90349BE';
1463              $GUIDarray['GETID3_ASF_Old_URL_Command']                     = 'D6E229F1-35DA-11D1-9034-00A0C90349BE';
1464              $GUIDarray['GETID3_ASF_Old_Filename_Command']                = 'D6E229F2-35DA-11D1-9034-00A0C90349BE';
1465              $GUIDarray['GETID3_ASF_Old_ACM_Codec']                       = 'D6E229F3-35DA-11D1-9034-00A0C90349BE';
1466              $GUIDarray['GETID3_ASF_Old_VCM_Codec']                       = 'D6E229F4-35DA-11D1-9034-00A0C90349BE';
1467              $GUIDarray['GETID3_ASF_Old_QuickTime_Codec']                 = 'D6E229F5-35DA-11D1-9034-00A0C90349BE';
1468              $GUIDarray['GETID3_ASF_Old_DirectShow_Transform_Filter']     = 'D6E229F6-35DA-11D1-9034-00A0C90349BE';
1469              $GUIDarray['GETID3_ASF_Old_DirectShow_Rendering_Filter']     = 'D6E229F7-35DA-11D1-9034-00A0C90349BE';
1470              $GUIDarray['GETID3_ASF_Old_No_Enhancement']                  = 'D6E229F8-35DA-11D1-9034-00A0C90349BE';
1471              $GUIDarray['GETID3_ASF_Old_Unknown_Enhancement_Type']        = 'D6E229F9-35DA-11D1-9034-00A0C90349BE';
1472              $GUIDarray['GETID3_ASF_Old_Temporal_Enhancement']            = 'D6E229FA-35DA-11D1-9034-00A0C90349BE';
1473              $GUIDarray['GETID3_ASF_Old_Spatial_Enhancement']             = 'D6E229FB-35DA-11D1-9034-00A0C90349BE';
1474              $GUIDarray['GETID3_ASF_Old_Quality_Enhancement']             = 'D6E229FC-35DA-11D1-9034-00A0C90349BE';
1475              $GUIDarray['GETID3_ASF_Old_Number_of_Channels_Enhancement']  = 'D6E229FD-35DA-11D1-9034-00A0C90349BE';
1476              $GUIDarray['GETID3_ASF_Old_Frequency_Response_Enhancement']  = 'D6E229FE-35DA-11D1-9034-00A0C90349BE';
1477              $GUIDarray['GETID3_ASF_Old_Media_Object']                    = 'D6E229FF-35DA-11D1-9034-00A0C90349BE';
1478              $GUIDarray['GETID3_ASF_Mutex_Language']                      = 'D6E22A00-35DA-11D1-9034-00A0C90349BE';
1479              $GUIDarray['GETID3_ASF_Mutex_Bitrate']                       = 'D6E22A01-35DA-11D1-9034-00A0C90349BE';
1480              $GUIDarray['GETID3_ASF_Mutex_Unknown']                       = 'D6E22A02-35DA-11D1-9034-00A0C90349BE';
1481              $GUIDarray['GETID3_ASF_Old_ASF_Placeholder_Object']          = 'D6E22A0E-35DA-11D1-9034-00A0C90349BE';
1482              $GUIDarray['GETID3_ASF_Old_Data_Unit_Extension_Object']      = 'D6E22A0F-35DA-11D1-9034-00A0C90349BE';
1483              $GUIDarray['GETID3_ASF_Web_Stream_Format']                   = 'DA1E6B13-8359-4050-B398-388E965BF00C';
1484              $GUIDarray['GETID3_ASF_Payload_Ext_System_File_Name']        = 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B';
1485              $GUIDarray['GETID3_ASF_Marker_Object']                       = 'F487CD01-A951-11CF-8EE6-00C00C205365';
1486              $GUIDarray['GETID3_ASF_Timecode_Index_Parameters_Object']    = 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24';
1487              $GUIDarray['GETID3_ASF_Audio_Media']                         = 'F8699E40-5B4D-11CF-A8FD-00805F5C442B';
1488              $GUIDarray['GETID3_ASF_Media_Object_Index_Object']           = 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C';
1489              $GUIDarray['GETID3_ASF_Alt_Extended_Content_Encryption_Obj'] = 'FF889EF1-ADEE-40DA-9E71-98704BB928CE';
1490          }
1491          return $GUIDarray;
1492      }
1493  
1494  	function GUIDname($GUIDstring) {
1495          static $GUIDarray = array();
1496          if (empty($GUIDarray)) {
1497              $GUIDarray = $this->KnownGUIDs();
1498          }
1499          return array_search($GUIDstring, $GUIDarray);
1500      }
1501  
1502  	function ASFIndexObjectIndexTypeLookup($id) {
1503          static $ASFIndexObjectIndexTypeLookup = array();
1504          if (empty($ASFIndexObjectIndexTypeLookup)) {
1505              $ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1506              $ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1507              $ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1508          }
1509          return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1510      }
1511  
1512  	function GUIDtoBytestring($GUIDstring) {
1513          // Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1514          // first 4 bytes are in little-endian order
1515          // next 2 bytes are appended in little-endian order
1516          // next 2 bytes are appended in little-endian order
1517          // next 2 bytes are appended in big-endian order
1518          // next 6 bytes are appended in big-endian order
1519  
1520          // AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1521          // $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1522  
1523          $hexbytecharstring  = chr(hexdec(substr($GUIDstring,  6, 2)));
1524          $hexbytecharstring .= chr(hexdec(substr($GUIDstring,  4, 2)));
1525          $hexbytecharstring .= chr(hexdec(substr($GUIDstring,  2, 2)));
1526          $hexbytecharstring .= chr(hexdec(substr($GUIDstring,  0, 2)));
1527  
1528          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1529          $hexbytecharstring .= chr(hexdec(substr($GUIDstring,  9, 2)));
1530  
1531          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1532          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1533  
1534          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1535          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1536  
1537          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1538          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1539          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1540          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1541          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1542          $hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1543  
1544          return $hexbytecharstring;
1545      }
1546  
1547  	function BytestringToGUID($Bytestring) {
1548          $GUIDstring  = str_pad(dechex(ord($Bytestring{3})),  2, '0', STR_PAD_LEFT);
1549          $GUIDstring .= str_pad(dechex(ord($Bytestring{2})),  2, '0', STR_PAD_LEFT);
1550          $GUIDstring .= str_pad(dechex(ord($Bytestring{1})),  2, '0', STR_PAD_LEFT);
1551          $GUIDstring .= str_pad(dechex(ord($Bytestring{0})),  2, '0', STR_PAD_LEFT);
1552          $GUIDstring .= '-';
1553          $GUIDstring .= str_pad(dechex(ord($Bytestring{5})),  2, '0', STR_PAD_LEFT);
1554          $GUIDstring .= str_pad(dechex(ord($Bytestring{4})),  2, '0', STR_PAD_LEFT);
1555          $GUIDstring .= '-';
1556          $GUIDstring .= str_pad(dechex(ord($Bytestring{7})),  2, '0', STR_PAD_LEFT);
1557          $GUIDstring .= str_pad(dechex(ord($Bytestring{6})),  2, '0', STR_PAD_LEFT);
1558          $GUIDstring .= '-';
1559          $GUIDstring .= str_pad(dechex(ord($Bytestring{8})),  2, '0', STR_PAD_LEFT);
1560          $GUIDstring .= str_pad(dechex(ord($Bytestring{9})),  2, '0', STR_PAD_LEFT);
1561          $GUIDstring .= '-';
1562          $GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
1563          $GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
1564          $GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
1565          $GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
1566          $GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
1567          $GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
1568  
1569          return strtoupper($GUIDstring);
1570      }
1571  
1572  	function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1573          // FILETIME is a 64-bit unsigned integer representing
1574          // the number of 100-nanosecond intervals since January 1, 1601
1575          // UNIX timestamp is number of seconds since January 1, 1970
1576          // 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1577          if ($round) {
1578              return intval(round(($FILETIME - 116444736000000000) / 10000000));
1579          }
1580          return ($FILETIME - 116444736000000000) / 10000000;
1581      }
1582  
1583  	function WMpictureTypeLookup($WMpictureType) {
1584          static $WMpictureTypeLookup = array();
1585          if (empty($WMpictureTypeLookup)) {
1586              $WMpictureTypeLookup[0x03] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Front Cover');
1587              $WMpictureTypeLookup[0x04] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Back Cover');
1588              $WMpictureTypeLookup[0x00] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'User Defined');
1589              $WMpictureTypeLookup[0x05] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Leaflet Page');
1590              $WMpictureTypeLookup[0x06] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Media Label');
1591              $WMpictureTypeLookup[0x07] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lead Artist');
1592              $WMpictureTypeLookup[0x08] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Artist');
1593              $WMpictureTypeLookup[0x09] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Conductor');
1594              $WMpictureTypeLookup[0x0A] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band');
1595              $WMpictureTypeLookup[0x0B] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Composer');
1596              $WMpictureTypeLookup[0x0C] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lyricist');
1597              $WMpictureTypeLookup[0x0D] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Recording Location');
1598              $WMpictureTypeLookup[0x0E] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Recording');
1599              $WMpictureTypeLookup[0x0F] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Performance');
1600              $WMpictureTypeLookup[0x10] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Video Screen Capture');
1601              $WMpictureTypeLookup[0x12] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Illustration');
1602              $WMpictureTypeLookup[0x13] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band Logotype');
1603              $WMpictureTypeLookup[0x14] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Publisher Logotype');
1604          }
1605          return @$WMpictureTypeLookup[$WMpictureType];
1606      }
1607  
1608  
1609      // Remove terminator 00 00 and convert UNICODE to Latin-1
1610  	function TrimConvert($string) {
1611  
1612          // remove terminator, only if present (it should be, but...)
1613          if (substr($string, strlen($string) - 2, 2) == "\x00\x00") {
1614              $string = substr($string, 0, strlen($string) - 2);
1615          }
1616  
1617          // convert
1618          return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', $string), ' ');
1619      }
1620  
1621  
1622  	function TrimTerm($string) {
1623  
1624          // remove terminator, only if present (it should be, but...)
1625          if (substr($string, -2) == "\x00\x00") {
1626              $string = substr($string, 0, -2);
1627          }
1628          return $string;
1629      }
1630  
1631  
1632  }
1633  
1634  
1635  ?>


Généré le : Mon Nov 26 21:04:15 2007 par Balluche grâce à PHPXref 0.7
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