~canonical-sysadmins/wordpress/upstream-4.1

1 by Jacek Nykis
Initial commit
1
<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org>               //
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//  available at http://getid3.sourceforge.net                 //
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//            or http://www.getid3.org                         //
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/////////////////////////////////////////////////////////////////
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// See readme.txt for more details                             //
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/////////////////////////////////////////////////////////////////
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//                                                             //
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// module.audio-video.asf.php                                  //
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// module for analyzing ASF, WMA and WMV files                 //
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// dependencies: module.audio-video.riff.php                   //
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//                                                            ///
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/////////////////////////////////////////////////////////////////
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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
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class getid3_asf extends getid3_handler
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{
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	public function __construct(getID3 $getid3) {
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		parent::__construct($getid3);  // extends getid3_handler::__construct()
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		// initialize all GUID constants
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		$GUIDarray = $this->KnownGUIDs();
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		foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
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			if (!defined($GUIDname)) {
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				define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
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			}
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		}
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	}
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	public function Analyze() {
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		$info = &$this->getid3->info;
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		// Shortcuts
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		$thisfile_audio = &$info['audio'];
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		$thisfile_video = &$info['video'];
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		$info['asf']  = array();
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		$thisfile_asf = &$info['asf'];
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		$thisfile_asf['comments'] = array();
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		$thisfile_asf_comments    = &$thisfile_asf['comments'];
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		$thisfile_asf['header_object'] = array();
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		$thisfile_asf_headerobject     = &$thisfile_asf['header_object'];
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		// ASF structure:
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		// * Header Object [required]
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		//   * File Properties Object [required]   (global file attributes)
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		//   * Stream Properties Object [required] (defines media stream & characteristics)
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		//   * Header Extension Object [required]  (additional functionality)
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		//   * Content Description Object          (bibliographic information)
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		//   * Script Command Object               (commands for during playback)
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		//   * Marker Object                       (named jumped points within the file)
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		// * Data Object [required]
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		//   * Data Packets
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		// * Index Object
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		// Header Object: (mandatory, one only)
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		// Field Name                   Field Type   Size (bits)
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		// Object ID                    GUID         128             // GUID for header object - GETID3_ASF_Header_Object
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		// Object Size                  QWORD        64              // size of header object, including 30 bytes of Header Object header
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		// Number of Header Objects     DWORD        32              // number of objects in header object
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		// Reserved1                    BYTE         8               // hardcoded: 0x01
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		// Reserved2                    BYTE         8               // hardcoded: 0x02
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		$info['fileformat'] = 'asf';
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		fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
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		$HeaderObjectData = fread($this->getid3->fp, 30);
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		$thisfile_asf_headerobject['objectid']      = substr($HeaderObjectData, 0, 16);
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		$thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
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		if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
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			$info['warning'][] = 'ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}';
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			unset($info['fileformat']);
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			unset($info['asf']);
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			return false;
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			break;
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		}
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		$thisfile_asf_headerobject['objectsize']    = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
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		$thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
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		$thisfile_asf_headerobject['reserved1']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
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		$thisfile_asf_headerobject['reserved2']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
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		$NextObjectOffset = ftell($this->getid3->fp);
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		$ASFHeaderData = fread($this->getid3->fp, $thisfile_asf_headerobject['objectsize'] - 30);
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		$offset = 0;
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		for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
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			$NextObjectGUID = substr($ASFHeaderData, $offset, 16);
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			$offset += 16;
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			$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
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			$NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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			$offset += 8;
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			switch ($NextObjectGUID) {
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				case GETID3_ASF_File_Properties_Object:
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					// File Properties Object: (mandatory, one only)
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					// Field Name                   Field Type   Size (bits)
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					// Object ID                    GUID         128             // GUID for file properties object - GETID3_ASF_File_Properties_Object
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					// Object Size                  QWORD        64              // size of file properties object, including 104 bytes of File Properties Object header
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					// File ID                      GUID         128             // unique ID - identical to File ID in Data Object
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					// File Size                    QWORD        64              // entire file in bytes. Invalid if Broadcast Flag == 1
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					// Creation Date                QWORD        64              // date & time of file creation. Maybe invalid if Broadcast Flag == 1
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					// Data Packets Count           QWORD        64              // number of data packets in Data Object. Invalid if Broadcast Flag == 1
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					// Play Duration                QWORD        64              // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
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					// Send Duration                QWORD        64              // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
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					// 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
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					// Flags                        DWORD        32              //
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					// * Broadcast Flag             bits         1  (0x01)       // file is currently being written, some header values are invalid
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					// * Seekable Flag              bits         1  (0x02)       // is file seekable
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					// * Reserved                   bits         30 (0xFFFFFFFC) // reserved - set to zero
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					// Minimum Data Packet Size     DWORD        32              // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
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					// Maximum Data Packet Size     DWORD        32              // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
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					// Maximum Bitrate              DWORD        32              // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
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					// shortcut
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					$thisfile_asf['file_properties_object'] = array();
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					$thisfile_asf_filepropertiesobject      = &$thisfile_asf['file_properties_object'];
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					$thisfile_asf_filepropertiesobject['offset']             = $NextObjectOffset + $offset;
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					$thisfile_asf_filepropertiesobject['objectid']           = $NextObjectGUID;
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					$thisfile_asf_filepropertiesobject['objectid_guid']      = $NextObjectGUIDtext;
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					$thisfile_asf_filepropertiesobject['objectsize']         = $NextObjectSize;
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					$thisfile_asf_filepropertiesobject['fileid']             = substr($ASFHeaderData, $offset, 16);
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					$offset += 16;
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					$thisfile_asf_filepropertiesobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
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					$thisfile_asf_filepropertiesobject['filesize']           = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$offset += 8;
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					$thisfile_asf_filepropertiesobject['creation_date']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
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					$offset += 8;
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					$thisfile_asf_filepropertiesobject['data_packets']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$offset += 8;
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					$thisfile_asf_filepropertiesobject['play_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$offset += 8;
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					$thisfile_asf_filepropertiesobject['send_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$offset += 8;
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					$thisfile_asf_filepropertiesobject['preroll']            = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$offset += 8;
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					$thisfile_asf_filepropertiesobject['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					$thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
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					$thisfile_asf_filepropertiesobject['flags']['seekable']  = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
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					$thisfile_asf_filepropertiesobject['min_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					$thisfile_asf_filepropertiesobject['max_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					$thisfile_asf_filepropertiesobject['max_bitrate']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
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						// broadcast flag is set, some values invalid
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						unset($thisfile_asf_filepropertiesobject['filesize']);
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						unset($thisfile_asf_filepropertiesobject['data_packets']);
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						unset($thisfile_asf_filepropertiesobject['play_duration']);
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						unset($thisfile_asf_filepropertiesobject['send_duration']);
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						unset($thisfile_asf_filepropertiesobject['min_packet_size']);
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						unset($thisfile_asf_filepropertiesobject['max_packet_size']);
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					} else {
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						// broadcast flag NOT set, perform calculations
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						$info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
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						//$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
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						$info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
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					}
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					break;
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				case GETID3_ASF_Stream_Properties_Object:
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					// Stream Properties Object: (mandatory, one per media stream)
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					// Field Name                   Field Type   Size (bits)
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					// Object ID                    GUID         128             // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
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					// Object Size                  QWORD        64              // size of stream properties object, including 78 bytes of Stream Properties Object header
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					// Stream Type                  GUID         128             // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
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					// Error Correction Type        GUID         128             // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
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					// Time Offset                  QWORD        64              // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
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					// Type-Specific Data Length    DWORD        32              // number of bytes for Type-Specific Data field
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					// Error Correction Data Length DWORD        32              // number of bytes for Error Correction Data field
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					// Flags                        WORD         16              //
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					// * Stream Number              bits         7 (0x007F)      // number of this stream.  1 <= valid <= 127
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					// * Reserved                   bits         8 (0x7F80)      // reserved - set to zero
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					// * Encrypted Content Flag     bits         1 (0x8000)      // stream contents encrypted if set
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					// Reserved                     DWORD        32              // reserved - set to zero
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					// Type-Specific Data           BYTESTREAM   variable        // type-specific format data, depending on value of Stream Type
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					// Error Correction Data        BYTESTREAM   variable        // error-correction-specific format data, depending on value of Error Correct Type
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					// There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
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					// stream number isn't known until halfway through decoding the structure, hence it
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					// it is decoded to a temporary variable and then stuck in the appropriate index later
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					$StreamPropertiesObjectData['offset']             = $NextObjectOffset + $offset;
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					$StreamPropertiesObjectData['objectid']           = $NextObjectGUID;
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					$StreamPropertiesObjectData['objectid_guid']      = $NextObjectGUIDtext;
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					$StreamPropertiesObjectData['objectsize']         = $NextObjectSize;
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					$StreamPropertiesObjectData['stream_type']        = substr($ASFHeaderData, $offset, 16);
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					$offset += 16;
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					$StreamPropertiesObjectData['stream_type_guid']   = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
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					$StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
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					$offset += 16;
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					$StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
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					$StreamPropertiesObjectData['time_offset']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
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					$offset += 8;
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					$StreamPropertiesObjectData['type_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					$StreamPropertiesObjectData['error_data_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					$StreamPropertiesObjectData['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
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					$offset += 2;
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					$StreamPropertiesObjectStreamNumber               = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
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					$StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
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					$offset += 4; // reserved - DWORD
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					$StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
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					$offset += $StreamPropertiesObjectData['type_data_length'];
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					$StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
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					$offset += $StreamPropertiesObjectData['error_data_length'];
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					switch ($StreamPropertiesObjectData['stream_type']) {
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						case GETID3_ASF_Audio_Media:
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							$thisfile_audio['dataformat']   = (!empty($thisfile_audio['dataformat'])   ? $thisfile_audio['dataformat']   : 'asf');
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							$thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
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							$audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
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							unset($audiodata['raw']);
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							$thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
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							break;
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						case GETID3_ASF_Video_Media:
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							$thisfile_video['dataformat']   = (!empty($thisfile_video['dataformat'])   ? $thisfile_video['dataformat']   : 'asf');
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							$thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
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							break;
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						case GETID3_ASF_Command_Media:
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						default:
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							// do nothing
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							break;
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					}
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					$thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
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					unset($StreamPropertiesObjectData); // clear for next stream, if any
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					break;
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				case GETID3_ASF_Header_Extension_Object:
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					// Header Extension Object: (mandatory, one only)
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					// Field Name                   Field Type   Size (bits)
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					// Object ID                    GUID         128             // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
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					// Object Size                  QWORD        64              // size of Header Extension object, including 46 bytes of Header Extension Object header
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					// Reserved Field 1             GUID         128             // hardcoded: GETID3_ASF_Reserved_1
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					// Reserved Field 2             WORD         16              // hardcoded: 0x00000006
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					// Header Extension Data Size   DWORD        32              // in bytes. valid: 0, or > 24. equals object size minus 46
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					// Header Extension Data        BYTESTREAM   variable        // array of zero or more extended header objects
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					// shortcut
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					$thisfile_asf['header_extension_object'] = array();
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					$thisfile_asf_headerextensionobject      = &$thisfile_asf['header_extension_object'];
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					$thisfile_asf_headerextensionobject['offset']              = $NextObjectOffset + $offset;
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					$thisfile_asf_headerextensionobject['objectid']            = $NextObjectGUID;
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					$thisfile_asf_headerextensionobject['objectid_guid']       = $NextObjectGUIDtext;
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					$thisfile_asf_headerextensionobject['objectsize']          = $NextObjectSize;
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					$thisfile_asf_headerextensionobject['reserved_1']          = substr($ASFHeaderData, $offset, 16);
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					$offset += 16;
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					$thisfile_asf_headerextensionobject['reserved_1_guid']     = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
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					if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
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						$info['warning'][] = 'header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')';
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						//return false;
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						break;
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					}
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					$thisfile_asf_headerextensionobject['reserved_2']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
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					$offset += 2;
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					if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
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						$info['warning'][] = 'header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"';
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						//return false;
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						break;
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					}
283
					$thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
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					$offset += 4;
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					$thisfile_asf_headerextensionobject['extension_data']      =                              substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
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					$unhandled_sections = 0;
287
					$thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->ASF_HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
288
					if ($unhandled_sections === 0) {
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						unset($thisfile_asf_headerextensionobject['extension_data']);
290
					}
291
					$offset += $thisfile_asf_headerextensionobject['extension_data_size'];
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					break;
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				case GETID3_ASF_Codec_List_Object:
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					// Codec List Object: (optional, one only)
296
					// Field Name                   Field Type   Size (bits)
297
					// Object ID                    GUID         128             // GUID for Codec List object - GETID3_ASF_Codec_List_Object
298
					// Object Size                  QWORD        64              // size of Codec List object, including 44 bytes of Codec List Object header
299
					// Reserved                     GUID         128             // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
300
					// Codec Entries Count          DWORD        32              // number of entries in Codec Entries array
301
					// Codec Entries                array of:    variable        //
302
					// * Type                       WORD         16              // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
303
					// * Codec Name Length          WORD         16              // number of Unicode characters stored in the Codec Name field
304
					// * Codec Name                 WCHAR        variable        // array of Unicode characters - name of codec used to create the content
305
					// * Codec Description Length   WORD         16              // number of Unicode characters stored in the Codec Description field
306
					// * Codec Description          WCHAR        variable        // array of Unicode characters - description of format used to create the content
307
					// * Codec Information Length   WORD         16              // number of Unicode characters stored in the Codec Information field
308
					// * Codec Information          BYTESTREAM   variable        // opaque array of information bytes about the codec used to create the content
309
310
					// shortcut
311
					$thisfile_asf['codec_list_object'] = array();
312
					$thisfile_asf_codeclistobject      = &$thisfile_asf['codec_list_object'];
313
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					$thisfile_asf_codeclistobject['offset']                    = $NextObjectOffset + $offset;
315
					$thisfile_asf_codeclistobject['objectid']                  = $NextObjectGUID;
316
					$thisfile_asf_codeclistobject['objectid_guid']             = $NextObjectGUIDtext;
317
					$thisfile_asf_codeclistobject['objectsize']                = $NextObjectSize;
318
					$thisfile_asf_codeclistobject['reserved']                  = substr($ASFHeaderData, $offset, 16);
319
					$offset += 16;
320
					$thisfile_asf_codeclistobject['reserved_guid']             = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
321
					if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
322
						$info['warning'][] = 'codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}';
323
						//return false;
324
						break;
325
					}
326
					$thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
327
					$offset += 4;
328
					for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
329
						// shortcut
330
						$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
331
						$thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
332
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						$thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
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						$offset += 2;
335
						$thisfile_asf_codeclistobject_codecentries_current['type'] = $this->ASFCodecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
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						$CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
338
						$offset += 2;
339
						$thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
340
						$offset += $CodecNameLength;
341
342
						$CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
343
						$offset += 2;
344
						$thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
345
						$offset += $CodecDescriptionLength;
346
347
						$CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
348
						$offset += 2;
349
						$thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
350
						$offset += $CodecInformationLength;
351
352
						if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
353
354
							if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
355
								$info['warning'][] = '[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-seperated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"';
356
							} else {
357
358
								list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
359
								$thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
360
361
								if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
362
									$thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
363
								}
364
								//if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
365
								if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
366
									//$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
367
									$thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
368
								}
369
370
								$AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
371
								switch ($AudioCodecFrequency) {
372
									case 8:
373
									case 8000:
374
										$thisfile_audio['sample_rate'] = 8000;
375
										break;
376
377
									case 11:
378
									case 11025:
379
										$thisfile_audio['sample_rate'] = 11025;
380
										break;
381
382
									case 12:
383
									case 12000:
384
										$thisfile_audio['sample_rate'] = 12000;
385
										break;
386
387
									case 16:
388
									case 16000:
389
										$thisfile_audio['sample_rate'] = 16000;
390
										break;
391
392
									case 22:
393
									case 22050:
394
										$thisfile_audio['sample_rate'] = 22050;
395
										break;
396
397
									case 24:
398
									case 24000:
399
										$thisfile_audio['sample_rate'] = 24000;
400
										break;
401
402
									case 32:
403
									case 32000:
404
										$thisfile_audio['sample_rate'] = 32000;
405
										break;
406
407
									case 44:
408
									case 441000:
409
										$thisfile_audio['sample_rate'] = 44100;
410
										break;
411
412
									case 48:
413
									case 48000:
414
										$thisfile_audio['sample_rate'] = 48000;
415
										break;
416
417
									default:
418
										$info['warning'][] = 'unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')';
419
										break;
420
								}
421
422
								if (!isset($thisfile_audio['channels'])) {
423
									if (strstr($AudioCodecChannels, 'stereo')) {
424
										$thisfile_audio['channels'] = 2;
425
									} elseif (strstr($AudioCodecChannels, 'mono')) {
426
										$thisfile_audio['channels'] = 1;
427
									}
428
								}
429
430
							}
431
						}
432
					}
433
					break;
434
435
				case GETID3_ASF_Script_Command_Object:
436
					// Script Command Object: (optional, one only)
437
					// Field Name                   Field Type   Size (bits)
438
					// Object ID                    GUID         128             // GUID for Script Command object - GETID3_ASF_Script_Command_Object
439
					// Object Size                  QWORD        64              // size of Script Command object, including 44 bytes of Script Command Object header
440
					// Reserved                     GUID         128             // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
441
					// Commands Count               WORD         16              // number of Commands structures in the Script Commands Objects
442
					// Command Types Count          WORD         16              // number of Command Types structures in the Script Commands Objects
443
					// Command Types                array of:    variable        //
444
					// * Command Type Name Length   WORD         16              // number of Unicode characters for Command Type Name
445
					// * Command Type Name          WCHAR        variable        // array of Unicode characters - name of a type of command
446
					// Commands                     array of:    variable        //
447
					// * Presentation Time          DWORD        32              // presentation time of that command, in milliseconds
448
					// * Type Index                 WORD         16              // type of this command, as a zero-based index into the array of Command Types of this object
449
					// * Command Name Length        WORD         16              // number of Unicode characters for Command Name
450
					// * Command Name               WCHAR        variable        // array of Unicode characters - name of this command
451
452
					// shortcut
453
					$thisfile_asf['script_command_object'] = array();
454
					$thisfile_asf_scriptcommandobject      = &$thisfile_asf['script_command_object'];
455
456
					$thisfile_asf_scriptcommandobject['offset']               = $NextObjectOffset + $offset;
457
					$thisfile_asf_scriptcommandobject['objectid']             = $NextObjectGUID;
458
					$thisfile_asf_scriptcommandobject['objectid_guid']        = $NextObjectGUIDtext;
459
					$thisfile_asf_scriptcommandobject['objectsize']           = $NextObjectSize;
460
					$thisfile_asf_scriptcommandobject['reserved']             = substr($ASFHeaderData, $offset, 16);
461
					$offset += 16;
462
					$thisfile_asf_scriptcommandobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
463
					if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
464
						$info['warning'][] = 'script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}';
465
						//return false;
466
						break;
467
					}
468
					$thisfile_asf_scriptcommandobject['commands_count']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
469
					$offset += 2;
470
					$thisfile_asf_scriptcommandobject['command_types_count']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
471
					$offset += 2;
472
					for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
473
						$CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
474
						$offset += 2;
475
						$thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
476
						$offset += $CommandTypeNameLength;
477
					}
478
					for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
479
						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
480
						$offset += 4;
481
						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
482
						$offset += 2;
483
484
						$CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
485
						$offset += 2;
486
						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
487
						$offset += $CommandTypeNameLength;
488
					}
489
					break;
490
491
				case GETID3_ASF_Marker_Object:
492
					// Marker Object: (optional, one only)
493
					// Field Name                   Field Type   Size (bits)
494
					// Object ID                    GUID         128             // GUID for Marker object - GETID3_ASF_Marker_Object
495
					// Object Size                  QWORD        64              // size of Marker object, including 48 bytes of Marker Object header
496
					// Reserved                     GUID         128             // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
497
					// Markers Count                DWORD        32              // number of Marker structures in Marker Object
498
					// Reserved                     WORD         16              // hardcoded: 0x0000
499
					// Name Length                  WORD         16              // number of bytes in the Name field
500
					// Name                         WCHAR        variable        // name of the Marker Object
501
					// Markers                      array of:    variable        //
502
					// * Offset                     QWORD        64              // byte offset into Data Object
503
					// * Presentation Time          QWORD        64              // in 100-nanosecond units
504
					// * Entry Length               WORD         16              // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
505
					// * Send Time                  DWORD        32              // in milliseconds
506
					// * Flags                      DWORD        32              // hardcoded: 0x00000000
507
					// * Marker Description Length  DWORD        32              // number of bytes in Marker Description field
508
					// * Marker Description         WCHAR        variable        // array of Unicode characters - description of marker entry
509
					// * Padding                    BYTESTREAM   variable        // optional padding bytes
510
511
					// shortcut
512
					$thisfile_asf['marker_object'] = array();
513
					$thisfile_asf_markerobject     = &$thisfile_asf['marker_object'];
514
515
					$thisfile_asf_markerobject['offset']               = $NextObjectOffset + $offset;
516
					$thisfile_asf_markerobject['objectid']             = $NextObjectGUID;
517
					$thisfile_asf_markerobject['objectid_guid']        = $NextObjectGUIDtext;
518
					$thisfile_asf_markerobject['objectsize']           = $NextObjectSize;
519
					$thisfile_asf_markerobject['reserved']             = substr($ASFHeaderData, $offset, 16);
520
					$offset += 16;
521
					$thisfile_asf_markerobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
522
					if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
523
						$info['warning'][] = 'marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}';
524
						break;
525
					}
526
					$thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
527
					$offset += 4;
528
					$thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
529
					$offset += 2;
530
					if ($thisfile_asf_markerobject['reserved_2'] != 0) {
531
						$info['warning'][] = 'marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"';
532
						break;
533
					}
534
					$thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
535
					$offset += 2;
536
					$thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
537
					$offset += $thisfile_asf_markerobject['name_length'];
538
					for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
539
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['offset']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
540
						$offset += 8;
541
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
542
						$offset += 8;
543
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length']              = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
544
						$offset += 2;
545
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time']                 = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
546
						$offset += 4;
547
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['flags']                     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
548
						$offset += 4;
549
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
550
						$offset += 4;
551
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description']        = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
552
						$offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
553
						$PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 -  4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
554
						if ($PaddingLength > 0) {
555
							$thisfile_asf_markerobject['markers'][$MarkersCounter]['padding']               = substr($ASFHeaderData, $offset, $PaddingLength);
556
							$offset += $PaddingLength;
557
						}
558
					}
559
					break;
560
561
				case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
562
					// Bitrate Mutual Exclusion Object: (optional)
563
					// Field Name                   Field Type   Size (bits)
564
					// Object ID                    GUID         128             // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
565
					// Object Size                  QWORD        64              // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
566
					// Exlusion Type                GUID         128             // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
567
					// Stream Numbers Count         WORD         16              // number of video streams
568
					// Stream Numbers               WORD         variable        // array of mutually exclusive video stream numbers. 1 <= valid <= 127
569
570
					// shortcut
571
					$thisfile_asf['bitrate_mutual_exclusion_object'] = array();
572
					$thisfile_asf_bitratemutualexclusionobject       = &$thisfile_asf['bitrate_mutual_exclusion_object'];
573
574
					$thisfile_asf_bitratemutualexclusionobject['offset']               = $NextObjectOffset + $offset;
575
					$thisfile_asf_bitratemutualexclusionobject['objectid']             = $NextObjectGUID;
576
					$thisfile_asf_bitratemutualexclusionobject['objectid_guid']        = $NextObjectGUIDtext;
577
					$thisfile_asf_bitratemutualexclusionobject['objectsize']           = $NextObjectSize;
578
					$thisfile_asf_bitratemutualexclusionobject['reserved']             = substr($ASFHeaderData, $offset, 16);
579
					$thisfile_asf_bitratemutualexclusionobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
580
					$offset += 16;
581
					if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
582
						$info['warning'][] = 'bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}';
583
						//return false;
584
						break;
585
					}
586
					$thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
587
					$offset += 2;
588
					for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
589
						$thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
590
						$offset += 2;
591
					}
592
					break;
593
594
				case GETID3_ASF_Error_Correction_Object:
595
					// Error Correction Object: (optional, one only)
596
					// Field Name                   Field Type   Size (bits)
597
					// Object ID                    GUID         128             // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
598
					// Object Size                  QWORD        64              // size of Error Correction object, including 44 bytes of Error Correction Object header
599
					// Error Correction Type        GUID         128             // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
600
					// Error Correction Data Length DWORD        32              // number of bytes in Error Correction Data field
601
					// Error Correction Data        BYTESTREAM   variable        // structure depends on value of Error Correction Type field
602
603
					// shortcut
604
					$thisfile_asf['error_correction_object'] = array();
605
					$thisfile_asf_errorcorrectionobject      = &$thisfile_asf['error_correction_object'];
606
607
					$thisfile_asf_errorcorrectionobject['offset']                = $NextObjectOffset + $offset;
608
					$thisfile_asf_errorcorrectionobject['objectid']              = $NextObjectGUID;
609
					$thisfile_asf_errorcorrectionobject['objectid_guid']         = $NextObjectGUIDtext;
610
					$thisfile_asf_errorcorrectionobject['objectsize']            = $NextObjectSize;
611
					$thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
612
					$offset += 16;
613
					$thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
614
					$thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
615
					$offset += 4;
616
					switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
617
						case GETID3_ASF_No_Error_Correction:
618
							// should be no data, but just in case there is, skip to the end of the field
619
							$offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
620
							break;
621
622
						case GETID3_ASF_Audio_Spread:
623
							// Field Name                   Field Type   Size (bits)
624
							// Span                         BYTE         8               // number of packets over which audio will be spread.
625
							// Virtual Packet Length        WORD         16              // size of largest audio payload found in audio stream
626
							// Virtual Chunk Length         WORD         16              // size of largest audio payload found in audio stream
627
							// Silence Data Length          WORD         16              // number of bytes in Silence Data field
628
							// Silence Data                 BYTESTREAM   variable        // hardcoded: 0x00 * (Silence Data Length) bytes
629
630
							$thisfile_asf_errorcorrectionobject['span']                  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
631
							$offset += 1;
632
							$thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
633
							$offset += 2;
634
							$thisfile_asf_errorcorrectionobject['virtual_chunk_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
635
							$offset += 2;
636
							$thisfile_asf_errorcorrectionobject['silence_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
637
							$offset += 2;
638
							$thisfile_asf_errorcorrectionobject['silence_data']          = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
639
							$offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
640
							break;
641
642
						default:
643
							$info['warning'][] = 'error_correction_object.error_correction_type GUID {'.$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).'}';
644
							//return false;
645
							break;
646
					}
647
648
					break;
649
650
				case GETID3_ASF_Content_Description_Object:
651
					// Content Description Object: (optional, one only)
652
					// Field Name                   Field Type   Size (bits)
653
					// Object ID                    GUID         128             // GUID for Content Description object - GETID3_ASF_Content_Description_Object
654
					// Object Size                  QWORD        64              // size of Content Description object, including 34 bytes of Content Description Object header
655
					// Title Length                 WORD         16              // number of bytes in Title field
656
					// Author Length                WORD         16              // number of bytes in Author field
657
					// Copyright Length             WORD         16              // number of bytes in Copyright field
658
					// Description Length           WORD         16              // number of bytes in Description field
659
					// Rating Length                WORD         16              // number of bytes in Rating field
660
					// Title                        WCHAR        16              // array of Unicode characters - Title
661
					// Author                       WCHAR        16              // array of Unicode characters - Author
662
					// Copyright                    WCHAR        16              // array of Unicode characters - Copyright
663
					// Description                  WCHAR        16              // array of Unicode characters - Description
664
					// Rating                       WCHAR        16              // array of Unicode characters - Rating
665
666
					// shortcut
667
					$thisfile_asf['content_description_object'] = array();
668
					$thisfile_asf_contentdescriptionobject      = &$thisfile_asf['content_description_object'];
669
670
					$thisfile_asf_contentdescriptionobject['offset']                = $NextObjectOffset + $offset;
671
					$thisfile_asf_contentdescriptionobject['objectid']              = $NextObjectGUID;
672
					$thisfile_asf_contentdescriptionobject['objectid_guid']         = $NextObjectGUIDtext;
673
					$thisfile_asf_contentdescriptionobject['objectsize']            = $NextObjectSize;
674
					$thisfile_asf_contentdescriptionobject['title_length']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
675
					$offset += 2;
676
					$thisfile_asf_contentdescriptionobject['author_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
677
					$offset += 2;
678
					$thisfile_asf_contentdescriptionobject['copyright_length']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
679
					$offset += 2;
680
					$thisfile_asf_contentdescriptionobject['description_length']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
681
					$offset += 2;
682
					$thisfile_asf_contentdescriptionobject['rating_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
683
					$offset += 2;
684
					$thisfile_asf_contentdescriptionobject['title']                 = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
685
					$offset += $thisfile_asf_contentdescriptionobject['title_length'];
686
					$thisfile_asf_contentdescriptionobject['author']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
687
					$offset += $thisfile_asf_contentdescriptionobject['author_length'];
688
					$thisfile_asf_contentdescriptionobject['copyright']             = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
689
					$offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
690
					$thisfile_asf_contentdescriptionobject['description']           = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
691
					$offset += $thisfile_asf_contentdescriptionobject['description_length'];
692
					$thisfile_asf_contentdescriptionobject['rating']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
693
					$offset += $thisfile_asf_contentdescriptionobject['rating_length'];
694
695
					$ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
696
					foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
697
						if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
698
							$thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
699
						}
700
					}
701
					break;
702
703
				case GETID3_ASF_Extended_Content_Description_Object:
704
					// Extended Content Description Object: (optional, one only)
705
					// Field Name                   Field Type   Size (bits)
706
					// Object ID                    GUID         128             // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
707
					// Object Size                  QWORD        64              // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
708
					// Content Descriptors Count    WORD         16              // number of entries in Content Descriptors list
709
					// Content Descriptors          array of:    variable        //
710
					// * Descriptor Name Length     WORD         16              // size in bytes of Descriptor Name field
711
					// * Descriptor Name            WCHAR        variable        // array of Unicode characters - Descriptor Name
712
					// * Descriptor Value Data Type WORD         16              // Lookup array:
713
																					// 0x0000 = Unicode String (variable length)
714
																					// 0x0001 = BYTE array     (variable length)
715
																					// 0x0002 = BOOL           (DWORD, 32 bits)
716
																					// 0x0003 = DWORD          (DWORD, 32 bits)
717
																					// 0x0004 = QWORD          (QWORD, 64 bits)
718
																					// 0x0005 = WORD           (WORD,  16 bits)
719
					// * Descriptor Value Length    WORD         16              // number of bytes stored in Descriptor Value field
720
					// * Descriptor Value           variable     variable        // value for Content Descriptor
721
722
					// shortcut
723
					$thisfile_asf['extended_content_description_object'] = array();
724
					$thisfile_asf_extendedcontentdescriptionobject       = &$thisfile_asf['extended_content_description_object'];
725
726
					$thisfile_asf_extendedcontentdescriptionobject['offset']                    = $NextObjectOffset + $offset;
727
					$thisfile_asf_extendedcontentdescriptionobject['objectid']                  = $NextObjectGUID;
728
					$thisfile_asf_extendedcontentdescriptionobject['objectid_guid']             = $NextObjectGUIDtext;
729
					$thisfile_asf_extendedcontentdescriptionobject['objectsize']                = $NextObjectSize;
730
					$thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
731
					$offset += 2;
732
					for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
733
						// shortcut
734
						$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
735
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current                 = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
736
737
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset']  = $offset + 30;
738
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
739
						$offset += 2;
740
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']         = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
741
						$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
742
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
743
						$offset += 2;
744
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
745
						$offset += 2;
746
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']        = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
747
						$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
748
						switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
749
							case 0x0000: // Unicode string
750
								break;
751
752
							case 0x0001: // BYTE array
753
								// do nothing
754
								break;
755
756
							case 0x0002: // BOOL
757
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
758
								break;
759
760
							case 0x0003: // DWORD
761
							case 0x0004: // QWORD
762
							case 0x0005: // WORD
763
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
764
								break;
765
766
							default:
767
								$info['warning'][] = 'extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')';
768
								//return false;
769
								break;
770
						}
771
						switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
772
773
							case 'wm/albumartist':
774
							case 'artist':
775
								// Note: not 'artist', that comes from 'author' tag
776
								$thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
777
								break;
778
779
							case 'wm/albumtitle':
780
							case 'album':
781
								$thisfile_asf_comments['album']  = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
782
								break;
783
784
							case 'wm/genre':
785
							case 'genre':
786
								$thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
787
								break;
788
789
							case 'wm/partofset':
790
								$thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
791
								break;
792
793
							case 'wm/tracknumber':
794
							case 'tracknumber':
795
								// be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
796
								$thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
797
								foreach ($thisfile_asf_comments['track'] as $key => $value) {
798
									if (preg_match('/^[0-9\x00]+$/', $value)) {
799
										$thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value));
800
									}
801
								}
802
								break;
803
804
							case 'wm/track':
805
								if (empty($thisfile_asf_comments['track'])) {
806
									$thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
807
								}
808
								break;
809
810
							case 'wm/year':
811
							case 'year':
812
							case 'date':
813
								$thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
814
								break;
815
816
							case 'wm/lyrics':
817
							case 'lyrics':
818
								$thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
819
								break;
820
821
							case 'isvbr':
822
								if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
823
									$thisfile_audio['bitrate_mode'] = 'vbr';
824
									$thisfile_video['bitrate_mode'] = 'vbr';
825
								}
826
								break;
827
828
							case 'id3':
829
								// id3v2 module might not be loaded
830
								if (class_exists('getid3_id3v2')) {
831
									$tempfile         = tempnam(GETID3_TEMP_DIR, 'getID3');
832
									$tempfilehandle   = fopen($tempfile, 'wb');
833
									$tempThisfileInfo = array('encoding'=>$info['encoding']);
834
									fwrite($tempfilehandle, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
835
									fclose($tempfilehandle);
836
837
									$getid3_temp = new getID3();
838
									$getid3_temp->openfile($tempfile);
839
									$getid3_id3v2 = new getid3_id3v2($getid3_temp);
840
									$getid3_id3v2->Analyze();
841
									$info['id3v2'] = $getid3_temp->info['id3v2'];
842
									unset($getid3_temp, $getid3_id3v2);
843
844
									unlink($tempfile);
845
								}
846
								break;
847
848
							case 'wm/encodingtime':
849
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
850
								$thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
851
								break;
852
853
							case 'wm/picture':
854
								$WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
855
								foreach ($WMpicture as $key => $value) {
856
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
857
								}
858
								unset($WMpicture);
859
/*
860
								$wm_picture_offset = 0;
861
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
862
								$wm_picture_offset += 1;
863
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type']    = $this->WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
864
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size']    = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
865
								$wm_picture_offset += 4;
866
867
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
868
								do {
869
									$next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
870
									$wm_picture_offset += 2;
871
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
872
								} while ($next_byte_pair !== "\x00\x00");
873
874
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
875
								do {
876
									$next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
877
									$wm_picture_offset += 2;
878
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
879
								} while ($next_byte_pair !== "\x00\x00");
880
881
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
882
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
883
								unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
884
885
								$imageinfo = array();
886
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
887
								$imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
888
								unset($imageinfo);
889
								if (!empty($imagechunkcheck)) {
890
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
891
								}
892
								if (!isset($thisfile_asf_comments['picture'])) {
893
									$thisfile_asf_comments['picture'] = array();
894
								}
895
								$thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
896
*/
897
								break;
898
899
							default:
900
								switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
901
									case 0: // Unicode string
902
										if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
903
											$thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
904
										}
905
										break;
906
907
									case 1:
908
										break;
909
								}
910
								break;
911
						}
912
913
					}
914
					break;
915
916
				case GETID3_ASF_Stream_Bitrate_Properties_Object:
917
					// Stream Bitrate Properties Object: (optional, one only)
918
					// Field Name                   Field Type   Size (bits)
919
					// Object ID                    GUID         128             // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
920
					// Object Size                  QWORD        64              // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
921
					// Bitrate Records Count        WORD         16              // number of records in Bitrate Records
922
					// Bitrate Records              array of:    variable        //
923
					// * Flags                      WORD         16              //
924
					// * * Stream Number            bits         7  (0x007F)     // number of this stream
925
					// * * Reserved                 bits         9  (0xFF80)     // hardcoded: 0
926
					// * Average Bitrate            DWORD        32              // in bits per second
927
928
					// shortcut
929
					$thisfile_asf['stream_bitrate_properties_object'] = array();
930
					$thisfile_asf_streambitratepropertiesobject       = &$thisfile_asf['stream_bitrate_properties_object'];
931
932
					$thisfile_asf_streambitratepropertiesobject['offset']                    = $NextObjectOffset + $offset;
933
					$thisfile_asf_streambitratepropertiesobject['objectid']                  = $NextObjectGUID;
934
					$thisfile_asf_streambitratepropertiesobject['objectid_guid']             = $NextObjectGUIDtext;
935
					$thisfile_asf_streambitratepropertiesobject['objectsize']                = $NextObjectSize;
936
					$thisfile_asf_streambitratepropertiesobject['bitrate_records_count']     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
937
					$offset += 2;
938
					for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
939
						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
940
						$offset += 2;
941
						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
942
						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
943
						$offset += 4;
944
					}
945
					break;
946
947
				case GETID3_ASF_Padding_Object:
948
					// Padding Object: (optional)
949
					// Field Name                   Field Type   Size (bits)
950
					// Object ID                    GUID         128             // GUID for Padding object - GETID3_ASF_Padding_Object
951
					// Object Size                  QWORD        64              // size of Padding object, including 24 bytes of ASF Padding Object header
952
					// Padding Data                 BYTESTREAM   variable        // ignore
953
954
					// shortcut
955
					$thisfile_asf['padding_object'] = array();
956
					$thisfile_asf_paddingobject     = &$thisfile_asf['padding_object'];
957
958
					$thisfile_asf_paddingobject['offset']                    = $NextObjectOffset + $offset;
959
					$thisfile_asf_paddingobject['objectid']                  = $NextObjectGUID;
960
					$thisfile_asf_paddingobject['objectid_guid']             = $NextObjectGUIDtext;
961
					$thisfile_asf_paddingobject['objectsize']                = $NextObjectSize;
962
					$thisfile_asf_paddingobject['padding_length']            = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
963
					$thisfile_asf_paddingobject['padding']                   = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
964
					$offset += ($NextObjectSize - 16 - 8);
965
					break;
966
967
				case GETID3_ASF_Extended_Content_Encryption_Object:
968
				case GETID3_ASF_Content_Encryption_Object:
969
					// WMA DRM - just ignore
970
					$offset += ($NextObjectSize - 16 - 8);
971
					break;
972
973
				default:
974
					// Implementations shall ignore any standard or non-standard object that they do not know how to handle.
975
					if ($this->GUIDname($NextObjectGUIDtext)) {
976
						$info['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
977
					} else {
978
						$info['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8);
979
					}
980
					$offset += ($NextObjectSize - 16 - 8);
981
					break;
982
			}
983
		}
984
		if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
985
			$ASFbitrateAudio = 0;
986
			$ASFbitrateVideo = 0;
987
			for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) {
988
				if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
989
					switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
990
						case 1:
991
							$ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
992
							break;
993
994
						case 2:
995
							$ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
996
							break;
997
998
						default:
999
							// do nothing
1000
							break;
1001
					}
1002
				}
1003
			}
1004
			if ($ASFbitrateAudio > 0) {
1005
				$thisfile_audio['bitrate'] = $ASFbitrateAudio;
1006
			}
1007
			if ($ASFbitrateVideo > 0) {
1008
				$thisfile_video['bitrate'] = $ASFbitrateVideo;
1009
			}
1010
		}
1011
		if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
1012
1013
			$thisfile_audio['bitrate'] = 0;
1014
			$thisfile_video['bitrate'] = 0;
1015
1016
			foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
1017
1018
				switch ($streamdata['stream_type']) {
1019
					case GETID3_ASF_Audio_Media:
1020
						// Field Name                   Field Type   Size (bits)
1021
						// Codec ID / Format Tag        WORD         16              // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
1022
						// Number of Channels           WORD         16              // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
1023
						// Samples Per Second           DWORD        32              // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
1024
						// Average number of Bytes/sec  DWORD        32              // bytes/sec of audio stream  - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
1025
						// Block Alignment              WORD         16              // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
1026
						// 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
1027
						// Codec Specific Data Size     WORD         16              // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
1028
						// Codec Specific Data          BYTESTREAM   variable        // array of codec-specific data bytes
1029
1030
						// shortcut
1031
						$thisfile_asf['audio_media'][$streamnumber] = array();
1032
						$thisfile_asf_audiomedia_currentstream      = &$thisfile_asf['audio_media'][$streamnumber];
1033
1034
						$audiomediaoffset = 0;
1035
1036
						$thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
1037
						$audiomediaoffset += 16;
1038
1039
						$thisfile_audio['lossless'] = false;
1040
						switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
1041
							case 0x0001: // PCM
1042
							case 0x0163: // WMA9 Lossless
1043
								$thisfile_audio['lossless'] = true;
1044
								break;
1045
						}
1046
1047
						if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1048
							foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1049
								if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1050
									$thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1051
									$thisfile_audio['bitrate'] += $dataarray['bitrate'];
1052
									break;
1053
								}
1054
							}
1055
						} else {
1056
							if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
1057
								$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
1058
							} elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
1059
								$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
1060
							}
1061
						}
1062
						$thisfile_audio['streams'][$streamnumber]                = $thisfile_asf_audiomedia_currentstream;
1063
						$thisfile_audio['streams'][$streamnumber]['wformattag']  = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
1064
						$thisfile_audio['streams'][$streamnumber]['lossless']    = $thisfile_audio['lossless'];
1065
						$thisfile_audio['streams'][$streamnumber]['bitrate']     = $thisfile_audio['bitrate'];
1066
						$thisfile_audio['streams'][$streamnumber]['dataformat']  = 'wma';
1067
						unset($thisfile_audio['streams'][$streamnumber]['raw']);
1068
1069
						$thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
1070
						$audiomediaoffset += 2;
1071
						$thisfile_asf_audiomedia_currentstream['codec_data']      = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
1072
						$audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
1073
1074
						break;
1075
1076
					case GETID3_ASF_Video_Media:
1077
						// Field Name                   Field Type   Size (bits)
1078
						// Encoded Image Width          DWORD        32              // width of image in pixels
1079
						// Encoded Image Height         DWORD        32              // height of image in pixels
1080
						// Reserved Flags               BYTE         8               // hardcoded: 0x02
1081
						// Format Data Size             WORD         16              // size of Format Data field in bytes
1082
						// Format Data                  array of:    variable        //
1083
						// * Format Data Size           DWORD        32              // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
1084
						// * Image Width                LONG         32              // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
1085
						// * Image Height               LONG         32              // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
1086
						// * Reserved                   WORD         16              // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
1087
						// * Bits Per Pixel Count       WORD         16              // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
1088
						// * Compression ID             FOURCC       32              // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
1089
						// * Image Size                 DWORD        32              // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
1090
						// * Horizontal Pixels / Meter  DWORD        32              // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
1091
						// * Vertical Pixels / Meter    DWORD        32              // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
1092
						// * Colors Used Count          DWORD        32              // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
1093
						// * 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
1094
						// * Codec Specific Data        BYTESTREAM   variable        // array of codec-specific data bytes
1095
1096
						// shortcut
1097
						$thisfile_asf['video_media'][$streamnumber] = array();
1098
						$thisfile_asf_videomedia_currentstream      = &$thisfile_asf['video_media'][$streamnumber];
1099
1100
						$videomediaoffset = 0;
1101
						$thisfile_asf_videomedia_currentstream['image_width']                     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1102
						$videomediaoffset += 4;
1103
						$thisfile_asf_videomedia_currentstream['image_height']                    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1104
						$videomediaoffset += 4;
1105
						$thisfile_asf_videomedia_currentstream['flags']                           = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
1106
						$videomediaoffset += 1;
1107
						$thisfile_asf_videomedia_currentstream['format_data_size']                = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1108
						$videomediaoffset += 2;
1109
						$thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1110
						$videomediaoffset += 4;
1111
						$thisfile_asf_videomedia_currentstream['format_data']['image_width']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1112
						$videomediaoffset += 4;
1113
						$thisfile_asf_videomedia_currentstream['format_data']['image_height']     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1114
						$videomediaoffset += 4;
1115
						$thisfile_asf_videomedia_currentstream['format_data']['reserved']         = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1116
						$videomediaoffset += 2;
1117
						$thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']   = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
1118
						$videomediaoffset += 2;
1119
						$thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']     = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
1120
						$videomediaoffset += 4;
1121
						$thisfile_asf_videomedia_currentstream['format_data']['image_size']       = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1122
						$videomediaoffset += 4;
1123
						$thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels']  = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1124
						$videomediaoffset += 4;
1125
						$thisfile_asf_videomedia_currentstream['format_data']['vertical_pels']    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1126
						$videomediaoffset += 4;
1127
						$thisfile_asf_videomedia_currentstream['format_data']['colors_used']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1128
						$videomediaoffset += 4;
1129
						$thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
1130
						$videomediaoffset += 4;
1131
						$thisfile_asf_videomedia_currentstream['format_data']['codec_data']       = substr($streamdata['type_specific_data'], $videomediaoffset);
1132
1133
						if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
1134
							foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
1135
								if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
1136
									$thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
1137
									$thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
1138
									$thisfile_video['bitrate'] += $dataarray['bitrate'];
1139
									break;
1140
								}
1141
							}
1142
						}
1143
1144
						$thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
1145
1146
						$thisfile_video['streams'][$streamnumber]['fourcc']          = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
1147
						$thisfile_video['streams'][$streamnumber]['codec']           = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
1148
						$thisfile_video['streams'][$streamnumber]['resolution_x']    = $thisfile_asf_videomedia_currentstream['image_width'];
1149
						$thisfile_video['streams'][$streamnumber]['resolution_y']    = $thisfile_asf_videomedia_currentstream['image_height'];
1150
						$thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
1151
						break;
1152
1153
					default:
1154
						break;
1155
				}
1156
			}
1157
		}
1158
1159
		while (ftell($this->getid3->fp) < $info['avdataend']) {
1160
			$NextObjectDataHeader = fread($this->getid3->fp, 24);
1161
			$offset = 0;
1162
			$NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
1163
			$offset += 16;
1164
			$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
1165
			$NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
1166
			$offset += 8;
1167
1168
			switch ($NextObjectGUID) {
1169
				case GETID3_ASF_Data_Object:
1170
					// Data Object: (mandatory, one only)
1171
					// Field Name                       Field Type   Size (bits)
1172
					// Object ID                        GUID         128             // GUID for Data object - GETID3_ASF_Data_Object
1173
					// Object Size                      QWORD        64              // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
1174
					// File ID                          GUID         128             // unique identifier. identical to File ID field in Header Object
1175
					// Total Data Packets               QWORD        64              // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
1176
					// Reserved                         WORD         16              // hardcoded: 0x0101
1177
1178
					// shortcut
1179
					$thisfile_asf['data_object'] = array();
1180
					$thisfile_asf_dataobject     = &$thisfile_asf['data_object'];
1181
1182
					$DataObjectData = $NextObjectDataHeader.fread($this->getid3->fp, 50 - 24);
1183
					$offset = 24;
1184
1185
					$thisfile_asf_dataobject['objectid']           = $NextObjectGUID;
1186
					$thisfile_asf_dataobject['objectid_guid']      = $NextObjectGUIDtext;
1187
					$thisfile_asf_dataobject['objectsize']         = $NextObjectSize;
1188
1189
					$thisfile_asf_dataobject['fileid']             = substr($DataObjectData, $offset, 16);
1190
					$offset += 16;
1191
					$thisfile_asf_dataobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
1192
					$thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
1193
					$offset += 8;
1194
					$thisfile_asf_dataobject['reserved']           = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
1195
					$offset += 2;
1196
					if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
1197
						$info['warning'][] = 'data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"';
1198
						//return false;
1199
						break;
1200
					}
1201
1202
					// Data Packets                     array of:    variable        //
1203
					// * Error Correction Flags         BYTE         8               //
1204
					// * * Error Correction Data Length bits         4               // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
1205
					// * * Opaque Data Present          bits         1               //
1206
					// * * Error Correction Length Type bits         2               // number of bits for size of the error correction data. hardcoded: 00
1207
					// * * Error Correction Present     bits         1               // If set, use Opaque Data Packet structure, else use Payload structure
1208
					// * Error Correction Data
1209
1210
					$info['avdataoffset'] = ftell($this->getid3->fp);
1211
					fseek($this->getid3->fp, ($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
1212
					$info['avdataend'] = ftell($this->getid3->fp);
1213
					break;
1214
1215
				case GETID3_ASF_Simple_Index_Object:
1216
					// Simple Index Object: (optional, recommended, one per video stream)
1217
					// Field Name                       Field Type   Size (bits)
1218
					// Object ID                        GUID         128             // GUID for Simple Index object - GETID3_ASF_Data_Object
1219
					// Object Size                      QWORD        64              // size of Simple Index object, including 56 bytes of Simple Index Object header
1220
					// File ID                          GUID         128             // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
1221
					// Index Entry Time Interval        QWORD        64              // interval between index entries in 100-nanosecond units
1222
					// Maximum Packet Count             DWORD        32              // maximum packet count for all index entries
1223
					// Index Entries Count              DWORD        32              // number of Index Entries structures
1224
					// Index Entries                    array of:    variable        //
1225
					// * Packet Number                  DWORD        32              // number of the Data Packet associated with this index entry
1226
					// * Packet Count                   WORD         16              // number of Data Packets to sent at this index entry
1227
1228
					// shortcut
1229
					$thisfile_asf['simple_index_object'] = array();
1230
					$thisfile_asf_simpleindexobject      = &$thisfile_asf['simple_index_object'];
1231
1232
					$SimpleIndexObjectData = $NextObjectDataHeader.fread($this->getid3->fp, 56 - 24);
1233
					$offset = 24;
1234
1235
					$thisfile_asf_simpleindexobject['objectid']                  = $NextObjectGUID;
1236
					$thisfile_asf_simpleindexobject['objectid_guid']             = $NextObjectGUIDtext;
1237
					$thisfile_asf_simpleindexobject['objectsize']                = $NextObjectSize;
1238
1239
					$thisfile_asf_simpleindexobject['fileid']                    =                  substr($SimpleIndexObjectData, $offset, 16);
1240
					$offset += 16;
1241
					$thisfile_asf_simpleindexobject['fileid_guid']               = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
1242
					$thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
1243
					$offset += 8;
1244
					$thisfile_asf_simpleindexobject['maximum_packet_count']      = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1245
					$offset += 4;
1246
					$thisfile_asf_simpleindexobject['index_entries_count']       = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
1247
					$offset += 4;
1248
1249
					$IndexEntriesData = $SimpleIndexObjectData.fread($this->getid3->fp, 6 * $thisfile_asf_simpleindexobject['index_entries_count']);
1250
					for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
1251
						$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1252
						$offset += 4;
1253
						$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count']  = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
1254
						$offset += 2;
1255
					}
1256
1257
					break;
1258
1259
				case GETID3_ASF_Index_Object:
1260
					// 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
1261
					// Field Name                       Field Type   Size (bits)
1262
					// Object ID                        GUID         128             // GUID for the Index Object - GETID3_ASF_Index_Object
1263
					// Object Size                      QWORD        64              // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
1264
					// Index Entry Time Interval        DWORD        32              // Specifies the time interval between each index entry in ms.
1265
					// Index Specifiers Count           WORD         16              // Specifies the number of Index Specifiers structures in this Index Object.
1266
					// Index Blocks Count               DWORD        32              // Specifies the number of Index Blocks structures in this Index Object.
1267
1268
					// Index Entry Time Interval        DWORD        32              // Specifies the time interval between index entries in milliseconds.  This value cannot be 0.
1269
					// Index Specifiers Count           WORD         16              // Specifies the number of entries in the Index Specifiers list.  Valid values are 1 and greater.
1270
					// Index Specifiers                 array of:    varies          //
1271
					// * Stream Number                  WORD         16              // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
1272
					// * Index Type                     WORD         16              // Specifies Index Type values as follows:
1273
																					//   1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
1274
																					//   2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
1275
																					//   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.
1276
																					//   Nearest Past Cleanpoint is the most common type of index.
1277
					// Index Entry Count                DWORD        32              // Specifies the number of Index Entries in the block.
1278
					// * 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.
1279
					// * Index Entries                  array of:    varies          //
1280
					// * * Offsets                      DWORD        varies          // An offset value of 0xffffffff indicates an invalid offset value
1281
1282
					// shortcut
1283
					$thisfile_asf['asf_index_object'] = array();
1284
					$thisfile_asf_asfindexobject      = &$thisfile_asf['asf_index_object'];
1285
1286
					$ASFIndexObjectData = $NextObjectDataHeader.fread($this->getid3->fp, 34 - 24);
1287
					$offset = 24;
1288
1289
					$thisfile_asf_asfindexobject['objectid']                  = $NextObjectGUID;
1290
					$thisfile_asf_asfindexobject['objectid_guid']             = $NextObjectGUIDtext;
1291
					$thisfile_asf_asfindexobject['objectsize']                = $NextObjectSize;
1292
1293
					$thisfile_asf_asfindexobject['entry_time_interval']       = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1294
					$offset += 4;
1295
					$thisfile_asf_asfindexobject['index_specifiers_count']    = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1296
					$offset += 2;
1297
					$thisfile_asf_asfindexobject['index_blocks_count']        = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1298
					$offset += 4;
1299
1300
					$ASFIndexObjectData .= fread($this->getid3->fp, 4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1301
					for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1302
						$IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1303
						$offset += 2;
1304
						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number']   = $IndexSpecifierStreamNumber;
1305
						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']      = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
1306
						$offset += 2;
1307
						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
1308
					}
1309
1310
					$ASFIndexObjectData .= fread($this->getid3->fp, 4);
1311
					$thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1312
					$offset += 4;
1313
1314
					$ASFIndexObjectData .= fread($this->getid3->fp, 8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
1315
					for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1316
						$thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
1317
						$offset += 8;
1318
					}
1319
1320
					$ASFIndexObjectData .= fread($this->getid3->fp, 4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
1321
					for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
1322
						for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
1323
							$thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
1324
							$offset += 4;
1325
						}
1326
					}
1327
					break;
1328
1329
1330
				default:
1331
					// Implementations shall ignore any standard or non-standard object that they do not know how to handle.
1332
					if ($this->GUIDname($NextObjectGUIDtext)) {
1333
						$info['warning'][] = 'unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8);
1334
					} else {
1335
						$info['warning'][] = 'unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.(ftell($this->getid3->fp) - 16 - 8);
1336
					}
1337
					fseek($this->getid3->fp, ($NextObjectSize - 16 - 8), SEEK_CUR);
1338
					break;
1339
			}
1340
		}
1341
1342
		if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
1343
			foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1344
				switch ($streamdata['information']) {
1345
					case 'WMV1':
1346
					case 'WMV2':
1347
					case 'WMV3':
1348
					case 'MSS1':
1349
					case 'MSS2':
1350
					case 'WMVA':
1351
					case 'WVC1':
1352
					case 'WMVP':
1353
					case 'WVP2':
1354
						$thisfile_video['dataformat'] = 'wmv';
1355
						$info['mime_type'] = 'video/x-ms-wmv';
1356
						break;
1357
1358
					case 'MP42':
1359
					case 'MP43':
1360
					case 'MP4S':
1361
					case 'mp4s':
1362
						$thisfile_video['dataformat'] = 'asf';
1363
						$info['mime_type'] = 'video/x-ms-asf';
1364
						break;
1365
1366
					default:
1367
						switch ($streamdata['type_raw']) {
1368
							case 1:
1369
								if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1370
									$thisfile_video['dataformat'] = 'wmv';
1371
									if ($info['mime_type'] == 'video/x-ms-asf') {
1372
										$info['mime_type'] = 'video/x-ms-wmv';
1373
									}
1374
								}
1375
								break;
1376
1377
							case 2:
1378
								if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
1379
									$thisfile_audio['dataformat'] = 'wma';
1380
									if ($info['mime_type'] == 'video/x-ms-asf') {
1381
										$info['mime_type'] = 'audio/x-ms-wma';
1382
									}
1383
								}
1384
								break;
1385
1386
						}
1387
						break;
1388
				}
1389
			}
1390
		}
1391
1392
		switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
1393
			case 'MPEG Layer-3':
1394
				$thisfile_audio['dataformat'] = 'mp3';
1395
				break;
1396
1397
			default:
1398
				break;
1399
		}
1400
1401
		if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
1402
			foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
1403
				switch ($streamdata['type_raw']) {
1404
1405
					case 1: // video
1406
						$thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1407
						break;
1408
1409
					case 2: // audio
1410
						$thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
1411
1412
						// AH 2003-10-01
1413
						$thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
1414
1415
						$thisfile_audio['codec']   = $thisfile_audio['encoder'];
1416
						break;
1417
1418
					default:
1419
						$info['warning'][] = 'Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw'];
1420
						break;
1421
1422
				}
1423
			}
1424
		}
1425
1426
		if (isset($info['audio'])) {
1427
			$thisfile_audio['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
1428
			$thisfile_audio['dataformat']         = (!empty($thisfile_audio['dataformat'])        ? $thisfile_audio['dataformat']         : 'asf');
1429
		}
1430
		if (!empty($thisfile_video['dataformat'])) {
1431
			$thisfile_video['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
1432
			$thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
1433
			$thisfile_video['dataformat']         = (!empty($thisfile_video['dataformat'])        ? $thisfile_video['dataformat']         : 'asf');
1434
		}
1435
		if (!empty($thisfile_video['streams'])) {
1436
			$thisfile_video['streams']['resolution_x'] = 0;
1437
			$thisfile_video['streams']['resolution_y'] = 0;
1438
			foreach ($thisfile_video['streams'] as $key => $valuearray) {
1439
				if (($valuearray['resolution_x'] > $thisfile_video['streams']['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['streams']['resolution_y'])) {
1440
					$thisfile_video['resolution_x'] = $valuearray['resolution_x'];
1441
					$thisfile_video['resolution_y'] = $valuearray['resolution_y'];
1442
				}
1443
			}
1444
		}
1445
		$info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
1446
1447
		if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
1448
			$info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
1449
		}
1450
1451
		return true;
1452
	}
1453
1454
	public static function ASFCodecListObjectTypeLookup($CodecListType) {
1455
		static $ASFCodecListObjectTypeLookup = array();
1456
		if (empty($ASFCodecListObjectTypeLookup)) {
1457
			$ASFCodecListObjectTypeLookup[0x0001] = 'Video Codec';
1458
			$ASFCodecListObjectTypeLookup[0x0002] = 'Audio Codec';
1459
			$ASFCodecListObjectTypeLookup[0xFFFF] = 'Unknown Codec';
1460
		}
1461
1462
		return (isset($ASFCodecListObjectTypeLookup[$CodecListType]) ? $ASFCodecListObjectTypeLookup[$CodecListType] : 'Invalid Codec Type');
1463
	}
1464
1465
	public static function KnownGUIDs() {
1466
		static $GUIDarray = array(
1467
			'GETID3_ASF_Extended_Stream_Properties_Object'   => '14E6A5CB-C672-4332-8399-A96952065B5A',
1468
			'GETID3_ASF_Padding_Object'                      => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
1469
			'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
1470
			'GETID3_ASF_Script_Command_Object'               => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
1471
			'GETID3_ASF_No_Error_Correction'                 => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
1472
			'GETID3_ASF_Content_Branding_Object'             => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
1473
			'GETID3_ASF_Content_Encryption_Object'           => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
1474
			'GETID3_ASF_Digital_Signature_Object'            => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
1475
			'GETID3_ASF_Extended_Content_Encryption_Object'  => '298AE614-2622-4C17-B935-DAE07EE9289C',
1476
			'GETID3_ASF_Simple_Index_Object'                 => '33000890-E5B1-11CF-89F4-00A0C90349CB',
1477
			'GETID3_ASF_Degradable_JPEG_Media'               => '35907DE0-E415-11CF-A917-00805F5C442B',
1478
			'GETID3_ASF_Payload_Extension_System_Timecode'   => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
1479
			'GETID3_ASF_Binary_Media'                        => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
1480
			'GETID3_ASF_Timecode_Index_Object'               => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
1481
			'GETID3_ASF_Metadata_Library_Object'             => '44231C94-9498-49D1-A141-1D134E457054',
1482
			'GETID3_ASF_Reserved_3'                          => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
1483
			'GETID3_ASF_Reserved_4'                          => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
1484
			'GETID3_ASF_Command_Media'                       => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
1485
			'GETID3_ASF_Header_Extension_Object'             => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
1486
			'GETID3_ASF_Media_Object_Index_Parameters_Obj'   => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
1487
			'GETID3_ASF_Header_Object'                       => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
1488
			'GETID3_ASF_Content_Description_Object'          => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
1489
			'GETID3_ASF_Error_Correction_Object'             => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
1490
			'GETID3_ASF_Data_Object'                         => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
1491
			'GETID3_ASF_Web_Stream_Media_Subtype'            => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
1492
			'GETID3_ASF_Stream_Bitrate_Properties_Object'    => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
1493
			'GETID3_ASF_Language_List_Object'                => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
1494
			'GETID3_ASF_Codec_List_Object'                   => '86D15240-311D-11D0-A3A4-00A0C90348F6',
1495
			'GETID3_ASF_Reserved_2'                          => '86D15241-311D-11D0-A3A4-00A0C90348F6',
1496
			'GETID3_ASF_File_Properties_Object'              => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
1497
			'GETID3_ASF_File_Transfer_Media'                 => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
1498
			'GETID3_ASF_Old_RTP_Extension_Data'              => '96800C63-4C94-11D1-837B-0080C7A37F95',
1499
			'GETID3_ASF_Advanced_Mutual_Exclusion_Object'    => 'A08649CF-4775-4670-8A16-6E35357566CD',
1500
			'GETID3_ASF_Bandwidth_Sharing_Object'            => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
1501
			'GETID3_ASF_Reserved_1'                          => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
1502
			'GETID3_ASF_Bandwidth_Sharing_Exclusive'         => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
1503
			'GETID3_ASF_Bandwidth_Sharing_Partial'           => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
1504
			'GETID3_ASF_JFIF_Media'                          => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
1505
			'GETID3_ASF_Stream_Properties_Object'            => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
1506
			'GETID3_ASF_Video_Media'                         => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
1507
			'GETID3_ASF_Audio_Spread'                        => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
1508
			'GETID3_ASF_Metadata_Object'                     => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
1509
			'GETID3_ASF_Payload_Ext_Syst_Sample_Duration'    => 'C6BD9450-867F-4907-83A3-C77921B733AD',
1510
			'GETID3_ASF_Group_Mutual_Exclusion_Object'       => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
1511
			'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
1512
			'GETID3_ASF_Stream_Prioritization_Object'        => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
1513
			'GETID3_ASF_Payload_Ext_System_Content_Type'     => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
1514
			'GETID3_ASF_Old_File_Properties_Object'          => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
1515
			'GETID3_ASF_Old_ASF_Header_Object'               => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
1516
			'GETID3_ASF_Old_ASF_Data_Object'                 => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
1517
			'GETID3_ASF_Index_Object'                        => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
1518
			'GETID3_ASF_Old_Stream_Properties_Object'        => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
1519
			'GETID3_ASF_Old_Content_Description_Object'      => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
1520
			'GETID3_ASF_Old_Script_Command_Object'           => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
1521
			'GETID3_ASF_Old_Marker_Object'                   => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
1522
			'GETID3_ASF_Old_Component_Download_Object'       => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
1523
			'GETID3_ASF_Old_Stream_Group_Object'             => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
1524
			'GETID3_ASF_Old_Scalable_Object'                 => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
1525
			'GETID3_ASF_Old_Prioritization_Object'           => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
1526
			'GETID3_ASF_Bitrate_Mutual_Exclusion_Object'     => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
1527
			'GETID3_ASF_Old_Inter_Media_Dependency_Object'   => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
1528
			'GETID3_ASF_Old_Rating_Object'                   => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
1529
			'GETID3_ASF_Index_Parameters_Object'             => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
1530
			'GETID3_ASF_Old_Color_Table_Object'              => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
1531
			'GETID3_ASF_Old_Language_List_Object'            => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
1532
			'GETID3_ASF_Old_Audio_Media'                     => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
1533
			'GETID3_ASF_Old_Video_Media'                     => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
1534
			'GETID3_ASF_Old_Image_Media'                     => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
1535
			'GETID3_ASF_Old_Timecode_Media'                  => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
1536
			'GETID3_ASF_Old_Text_Media'                      => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
1537
			'GETID3_ASF_Old_MIDI_Media'                      => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
1538
			'GETID3_ASF_Old_Command_Media'                   => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
1539
			'GETID3_ASF_Old_No_Error_Concealment'            => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
1540
			'GETID3_ASF_Old_Scrambled_Audio'                 => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
1541
			'GETID3_ASF_Old_No_Color_Table'                  => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
1542
			'GETID3_ASF_Old_SMPTE_Time'                      => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
1543
			'GETID3_ASF_Old_ASCII_Text'                      => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
1544
			'GETID3_ASF_Old_Unicode_Text'                    => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
1545
			'GETID3_ASF_Old_HTML_Text'                       => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
1546
			'GETID3_ASF_Old_URL_Command'                     => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
1547
			'GETID3_ASF_Old_Filename_Command'                => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
1548
			'GETID3_ASF_Old_ACM_Codec'                       => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
1549
			'GETID3_ASF_Old_VCM_Codec'                       => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
1550
			'GETID3_ASF_Old_QuickTime_Codec'                 => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
1551
			'GETID3_ASF_Old_DirectShow_Transform_Filter'     => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
1552
			'GETID3_ASF_Old_DirectShow_Rendering_Filter'     => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
1553
			'GETID3_ASF_Old_No_Enhancement'                  => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
1554
			'GETID3_ASF_Old_Unknown_Enhancement_Type'        => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
1555
			'GETID3_ASF_Old_Temporal_Enhancement'            => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
1556
			'GETID3_ASF_Old_Spatial_Enhancement'             => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
1557
			'GETID3_ASF_Old_Quality_Enhancement'             => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
1558
			'GETID3_ASF_Old_Number_of_Channels_Enhancement'  => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
1559
			'GETID3_ASF_Old_Frequency_Response_Enhancement'  => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
1560
			'GETID3_ASF_Old_Media_Object'                    => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
1561
			'GETID3_ASF_Mutex_Language'                      => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
1562
			'GETID3_ASF_Mutex_Bitrate'                       => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
1563
			'GETID3_ASF_Mutex_Unknown'                       => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
1564
			'GETID3_ASF_Old_ASF_Placeholder_Object'          => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
1565
			'GETID3_ASF_Old_Data_Unit_Extension_Object'      => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
1566
			'GETID3_ASF_Web_Stream_Format'                   => 'DA1E6B13-8359-4050-B398-388E965BF00C',
1567
			'GETID3_ASF_Payload_Ext_System_File_Name'        => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
1568
			'GETID3_ASF_Marker_Object'                       => 'F487CD01-A951-11CF-8EE6-00C00C205365',
1569
			'GETID3_ASF_Timecode_Index_Parameters_Object'    => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
1570
			'GETID3_ASF_Audio_Media'                         => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
1571
			'GETID3_ASF_Media_Object_Index_Object'           => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
1572
			'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
1573
			'GETID3_ASF_Index_Placeholder_Object'            => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1574
			'GETID3_ASF_Compatibility_Object'                => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
1575
		);
1576
		return $GUIDarray;
1577
	}
1578
1579
	public static function GUIDname($GUIDstring) {
1580
		static $GUIDarray = array();
1581
		if (empty($GUIDarray)) {
1582
			$GUIDarray = self::KnownGUIDs();
1583
		}
1584
		return array_search($GUIDstring, $GUIDarray);
1585
	}
1586
1587
	public static function ASFIndexObjectIndexTypeLookup($id) {
1588
		static $ASFIndexObjectIndexTypeLookup = array();
1589
		if (empty($ASFIndexObjectIndexTypeLookup)) {
1590
			$ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
1591
			$ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
1592
			$ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
1593
		}
1594
		return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
1595
	}
1596
1597
	public static function GUIDtoBytestring($GUIDstring) {
1598
		// Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
1599
		// first 4 bytes are in little-endian order
1600
		// next 2 bytes are appended in little-endian order
1601
		// next 2 bytes are appended in little-endian order
1602
		// next 2 bytes are appended in big-endian order
1603
		// next 6 bytes are appended in big-endian order
1604
1605
		// AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
1606
		// $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
1607
1608
		$hexbytecharstring  = chr(hexdec(substr($GUIDstring,  6, 2)));
1609
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  4, 2)));
1610
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  2, 2)));
1611
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  0, 2)));
1612
1613
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
1614
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  9, 2)));
1615
1616
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
1617
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
1618
1619
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
1620
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
1621
1622
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
1623
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
1624
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
1625
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
1626
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
1627
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
1628
1629
		return $hexbytecharstring;
1630
	}
1631
1632
	public static function BytestringToGUID($Bytestring) {
1633
		$GUIDstring  = str_pad(dechex(ord($Bytestring{3})),  2, '0', STR_PAD_LEFT);
1634
		$GUIDstring .= str_pad(dechex(ord($Bytestring{2})),  2, '0', STR_PAD_LEFT);
1635
		$GUIDstring .= str_pad(dechex(ord($Bytestring{1})),  2, '0', STR_PAD_LEFT);
1636
		$GUIDstring .= str_pad(dechex(ord($Bytestring{0})),  2, '0', STR_PAD_LEFT);
1637
		$GUIDstring .= '-';
1638
		$GUIDstring .= str_pad(dechex(ord($Bytestring{5})),  2, '0', STR_PAD_LEFT);
1639
		$GUIDstring .= str_pad(dechex(ord($Bytestring{4})),  2, '0', STR_PAD_LEFT);
1640
		$GUIDstring .= '-';
1641
		$GUIDstring .= str_pad(dechex(ord($Bytestring{7})),  2, '0', STR_PAD_LEFT);
1642
		$GUIDstring .= str_pad(dechex(ord($Bytestring{6})),  2, '0', STR_PAD_LEFT);
1643
		$GUIDstring .= '-';
1644
		$GUIDstring .= str_pad(dechex(ord($Bytestring{8})),  2, '0', STR_PAD_LEFT);
1645
		$GUIDstring .= str_pad(dechex(ord($Bytestring{9})),  2, '0', STR_PAD_LEFT);
1646
		$GUIDstring .= '-';
1647
		$GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
1648
		$GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
1649
		$GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
1650
		$GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
1651
		$GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
1652
		$GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
1653
1654
		return strtoupper($GUIDstring);
1655
	}
1656
1657
	public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
1658
		// FILETIME is a 64-bit unsigned integer representing
1659
		// the number of 100-nanosecond intervals since January 1, 1601
1660
		// UNIX timestamp is number of seconds since January 1, 1970
1661
		// 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
1662
		if ($round) {
1663
			return intval(round(($FILETIME - 116444736000000000) / 10000000));
1664
		}
1665
		return ($FILETIME - 116444736000000000) / 10000000;
1666
	}
1667
1668
	public static function WMpictureTypeLookup($WMpictureType) {
1669
		static $WMpictureTypeLookup = array();
1670
		if (empty($WMpictureTypeLookup)) {
1671
			$WMpictureTypeLookup[0x03] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Front Cover');
1672
			$WMpictureTypeLookup[0x04] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Back Cover');
1673
			$WMpictureTypeLookup[0x00] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'User Defined');
1674
			$WMpictureTypeLookup[0x05] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Leaflet Page');
1675
			$WMpictureTypeLookup[0x06] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Media Label');
1676
			$WMpictureTypeLookup[0x07] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lead Artist');
1677
			$WMpictureTypeLookup[0x08] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Artist');
1678
			$WMpictureTypeLookup[0x09] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Conductor');
1679
			$WMpictureTypeLookup[0x0A] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band');
1680
			$WMpictureTypeLookup[0x0B] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Composer');
1681
			$WMpictureTypeLookup[0x0C] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Lyricist');
1682
			$WMpictureTypeLookup[0x0D] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Recording Location');
1683
			$WMpictureTypeLookup[0x0E] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Recording');
1684
			$WMpictureTypeLookup[0x0F] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'During Performance');
1685
			$WMpictureTypeLookup[0x10] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Video Screen Capture');
1686
			$WMpictureTypeLookup[0x12] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Illustration');
1687
			$WMpictureTypeLookup[0x13] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Band Logotype');
1688
			$WMpictureTypeLookup[0x14] = getid3_lib::iconv_fallback('ISO-8859-1', 'UTF-16LE', 'Publisher Logotype');
1689
		}
1690
		return (isset($WMpictureTypeLookup[$WMpictureType]) ? $WMpictureTypeLookup[$WMpictureType] : '');
1691
	}
1692
1693
	public function ASF_HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
1694
		// http://msdn.microsoft.com/en-us/library/bb643323.aspx
1695
1696
		$offset = 0;
1697
		$objectOffset = 0;
1698
		$HeaderExtensionObjectParsed = array();
1699
		while ($objectOffset < strlen($asf_header_extension_object_data)) {
1700
			$offset = $objectOffset;
1701
			$thisObject = array();
1702
1703
			$thisObject['guid']                              =                              substr($asf_header_extension_object_data, $offset, 16);
1704
			$offset += 16;
1705
			$thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
1706
			$thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
1707
1708
			$thisObject['size']                              = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
1709
			$offset += 8;
1710
			if ($thisObject['size'] <= 0) {
1711
				break;
1712
			}
1713
1714
			switch ($thisObject['guid']) {
1715
				case GETID3_ASF_Extended_Stream_Properties_Object:
1716
					$thisObject['start_time']                        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
1717
					$offset += 8;
1718
					$thisObject['start_time_unix']                   = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
1719
1720
					$thisObject['end_time']                          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
1721
					$offset += 8;
1722
					$thisObject['end_time_unix']                     = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
1723
1724
					$thisObject['data_bitrate']                      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1725
					$offset += 4;
1726
1727
					$thisObject['buffer_size']                       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1728
					$offset += 4;
1729
1730
					$thisObject['initial_buffer_fullness']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1731
					$offset += 4;
1732
1733
					$thisObject['alternate_data_bitrate']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1734
					$offset += 4;
1735
1736
					$thisObject['alternate_buffer_size']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1737
					$offset += 4;
1738
1739
					$thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1740
					$offset += 4;
1741
1742
					$thisObject['maximum_object_size']               = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1743
					$offset += 4;
1744
1745
					$thisObject['flags_raw']                         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1746
					$offset += 4;
1747
					$thisObject['flags']['reliable']                = (bool) $thisObject['flags_raw'] & 0x00000001;
1748
					$thisObject['flags']['seekable']                = (bool) $thisObject['flags_raw'] & 0x00000002;
1749
					$thisObject['flags']['no_cleanpoints']          = (bool) $thisObject['flags_raw'] & 0x00000004;
1750
					$thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
1751
1752
					$thisObject['stream_number']                     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1753
					$offset += 2;
1754
1755
					$thisObject['stream_language_id_index']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1756
					$offset += 2;
1757
1758
					$thisObject['average_time_per_frame']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1759
					$offset += 4;
1760
1761
					$thisObject['stream_name_count']                 = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1762
					$offset += 2;
1763
1764
					$thisObject['payload_extension_system_count']    = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1765
					$offset += 2;
1766
1767
					for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
1768
						$streamName = array();
1769
1770
						$streamName['language_id_index']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1771
						$offset += 2;
1772
1773
						$streamName['stream_name_length']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1774
						$offset += 2;
1775
1776
						$streamName['stream_name']                   = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  $streamName['stream_name_length']));
1777
						$offset += $streamName['stream_name_length'];
1778
1779
						$thisObject['stream_names'][$i] = $streamName;
1780
					}
1781
1782
					for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
1783
						$payloadExtensionSystem = array();
1784
1785
						$payloadExtensionSystem['extension_system_id']   =                              substr($asf_header_extension_object_data, $offset, 16);
1786
						$offset += 16;
1787
						$payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
1788
1789
						$payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1790
						$offset += 2;
1791
						if ($payloadExtensionSystem['extension_system_size'] <= 0) {
1792
							break 2;
1793
						}
1794
1795
						$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1796
						$offset += 4;
1797
1798
						$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  $payloadExtensionSystem['extension_system_info_length']));
1799
						$offset += $payloadExtensionSystem['extension_system_info_length'];
1800
1801
						$thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
1802
					}
1803
1804
					break;
1805
1806
				case GETID3_ASF_Padding_Object:
1807
					// padding, skip it
1808
					break;
1809
1810
				case GETID3_ASF_Metadata_Object:
1811
					$thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1812
					$offset += 2;
1813
1814
					for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
1815
						$descriptionRecord = array();
1816
1817
						$descriptionRecord['reserved_1']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2)); // must be zero
1818
						$offset += 2;
1819
1820
						$descriptionRecord['stream_number']      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1821
						$offset += 2;
1822
1823
						$descriptionRecord['name_length']        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1824
						$offset += 2;
1825
1826
						$descriptionRecord['data_type']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1827
						$offset += 2;
1828
						$descriptionRecord['data_type_text'] = $this->ASFmetadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1829
1830
						$descriptionRecord['data_length']        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1831
						$offset += 4;
1832
1833
						$descriptionRecord['name']               =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['name_length']);
1834
						$offset += $descriptionRecord['name_length'];
1835
1836
						$descriptionRecord['data']               =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['data_length']);
1837
						$offset += $descriptionRecord['data_length'];
1838
						switch ($descriptionRecord['data_type']) {
1839
							case 0x0000: // Unicode string
1840
								break;
1841
1842
							case 0x0001: // BYTE array
1843
								// do nothing
1844
								break;
1845
1846
							case 0x0002: // BOOL
1847
								$descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1848
								break;
1849
1850
							case 0x0003: // DWORD
1851
							case 0x0004: // QWORD
1852
							case 0x0005: // WORD
1853
								$descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
1854
								break;
1855
1856
							case 0x0006: // GUID
1857
								$descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
1858
								break;
1859
						}
1860
1861
						$thisObject['description_record'][$i] = $descriptionRecord;
1862
					}
1863
					break;
1864
1865
				case GETID3_ASF_Language_List_Object:
1866
					$thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1867
					$offset += 2;
1868
1869
					for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
1870
						$languageIDrecord = array();
1871
1872
						$languageIDrecord['language_id_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  1));
1873
						$offset += 1;
1874
1875
						$languageIDrecord['language_id']                =                              substr($asf_header_extension_object_data, $offset,  $languageIDrecord['language_id_length']);
1876
						$offset += $languageIDrecord['language_id_length'];
1877
1878
						$thisObject['language_id_record'][$i] = $languageIDrecord;
1879
					}
1880
					break;
1881
1882
				case GETID3_ASF_Metadata_Library_Object:
1883
					$thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1884
					$offset += 2;
1885
1886
					for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
1887
						$descriptionRecord = array();
1888
1889
						$descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1890
						$offset += 2;
1891
1892
						$descriptionRecord['stream_number']       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1893
						$offset += 2;
1894
1895
						$descriptionRecord['name_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1896
						$offset += 2;
1897
1898
						$descriptionRecord['data_type']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
1899
						$offset += 2;
1900
						$descriptionRecord['data_type_text'] = $this->ASFmetadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
1901
1902
						$descriptionRecord['data_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
1903
						$offset += 4;
1904
1905
						$descriptionRecord['name']                =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['name_length']);
1906
						$offset += $descriptionRecord['name_length'];
1907
1908
						$descriptionRecord['data']                =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['data_length']);
1909
						$offset += $descriptionRecord['data_length'];
1910
1911
						if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
1912
							$WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
1913
							foreach ($WMpicture as $key => $value) {
1914
								$descriptionRecord['data'] = $WMpicture;
1915
							}
1916
							unset($WMpicture);
1917
						}
1918
1919
						$thisObject['description_record'][$i] = $descriptionRecord;
1920
					}
1921
					break;
1922
1923
				default:
1924
					$unhandled_sections++;
1925
					if ($this->GUIDname($thisObject['guid_text'])) {
1926
						$this->getid3->info['warning'][] = 'unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8);
1927
					} else {
1928
						$this->getid3->info['warning'][] = 'unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8);
1929
					}
1930
					break;
1931
			}
1932
			$HeaderExtensionObjectParsed[] = $thisObject;
1933
1934
			$objectOffset += $thisObject['size'];
1935
		}
1936
		return $HeaderExtensionObjectParsed;
1937
	}
1938
1939
1940
	public static function ASFmetadataLibraryObjectDataTypeLookup($id) {
1941
		static $ASFmetadataLibraryObjectDataTypeLookup = array(
1942
			0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
1943
			0x0001 => 'BYTE array',     // The type of the data is implementation-specific
1944
			0x0002 => 'BOOL',           // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
1945
			0x0003 => 'DWORD',          // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
1946
			0x0004 => 'QWORD',          // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
1947
			0x0005 => 'WORD',           // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
1948
			0x0006 => 'GUID',           // The data is 16 bytes long and should be interpreted as a 128-bit GUID
1949
		);
1950
		return (isset($ASFmetadataLibraryObjectDataTypeLookup[$id]) ? $ASFmetadataLibraryObjectDataTypeLookup[$id] : 'invalid');
1951
	}
1952
1953
	public function ASF_WMpicture(&$data) {
1954
		//typedef struct _WMPicture{
1955
		//  LPWSTR  pwszMIMEType;
1956
		//  BYTE  bPictureType;
1957
		//  LPWSTR  pwszDescription;
1958
		//  DWORD  dwDataLen;
1959
		//  BYTE*  pbData;
1960
		//} WM_PICTURE;
1961
1962
		$WMpicture = array();
1963
1964
		$offset = 0;
1965
		$WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
1966
		$offset += 1;
1967
		$WMpicture['image_type']    = $this->WMpictureTypeLookup($WMpicture['image_type_id']);
1968
		$WMpicture['image_size']    = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
1969
		$offset += 4;
1970
1971
		$WMpicture['image_mime'] = '';
1972
		do {
1973
			$next_byte_pair = substr($data, $offset, 2);
1974
			$offset += 2;
1975
			$WMpicture['image_mime'] .= $next_byte_pair;
1976
		} while ($next_byte_pair !== "\x00\x00");
1977
1978
		$WMpicture['image_description'] = '';
1979
		do {
1980
			$next_byte_pair = substr($data, $offset, 2);
1981
			$offset += 2;
1982
			$WMpicture['image_description'] .= $next_byte_pair;
1983
		} while ($next_byte_pair !== "\x00\x00");
1984
1985
		$WMpicture['dataoffset'] = $offset;
1986
		$WMpicture['data'] = substr($data, $offset);
1987
1988
		$imageinfo = array();
1989
		$WMpicture['image_mime'] = '';
1990
		$imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
1991
		unset($imageinfo);
1992
		if (!empty($imagechunkcheck)) {
1993
			$WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
1994
		}
1995
		if (!isset($this->getid3->info['asf']['comments']['picture'])) {
1996
			$this->getid3->info['asf']['comments']['picture'] = array();
1997
		}
1998
		$this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
1999
2000
		return $WMpicture;
2001
	}
2002
2003
2004
	// Remove terminator 00 00 and convert UTF-16LE to Latin-1
2005
	public static function TrimConvert($string) {
2006
		return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
2007
	}
2008
2009
2010
	// Remove terminator 00 00
2011
	public static function TrimTerm($string) {
2012
		// remove terminator, only if present (it should be, but...)
2013
		if (substr($string, -2) === "\x00\x00") {
2014
			$string = substr($string, 0, -2);
2015
		}
2016
		return $string;
2017
	}
2018
2019
}