Current File : /home/bdmcricketindia.in/public_html/wp-includes/ID3/module.audio-video.asf.php
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <[email protected]>               //
//  available at https://github.com/JamesHeinrich/getID3       //
//            or https://www.getid3.org                        //
//            or http://getid3.sourceforge.net                 //
//  see readme.txt for more details                            //
/////////////////////////////////////////////////////////////////
//                                                             //
// module.audio-video.asf.php                                  //
// module for analyzing ASF, WMA and WMV files                 //
// dependencies: module.audio-video.riff.php                   //
//                                                            ///
/////////////////////////////////////////////////////////////////

if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
	exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);

class getid3_asf extends getid3_handler
{
	protected static $ASFIndexParametersObjectIndexSpecifiersIndexTypes = array(
		1 => 'Nearest Past Data Packet',
		2 => 'Nearest Past Media Object',
		3 => 'Nearest Past Cleanpoint'
	);

	protected static $ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes = array(
		1 => 'Nearest Past Data Packet',
		2 => 'Nearest Past Media Object',
		3 => 'Nearest Past Cleanpoint',
		0xFF => 'Frame Number Offset'
	);

	protected static $ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes = array(
		2 => 'Nearest Past Media Object',
		3 => 'Nearest Past Cleanpoint'
	);

	/**
	 * @param getID3 $getid3
	 */
	public function __construct(getID3 $getid3) {
		parent::__construct($getid3);  // extends getid3_handler::__construct()

		// initialize all GUID constants
		$GUIDarray = $this->KnownGUIDs();
		foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
			if (!defined($GUIDname)) {
				define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
			}
		}
	}

	/**
	 * @return bool
	 */
	public function Analyze() {
		$info = &$this->getid3->info;

		// Shortcuts
		$thisfile_audio = &$info['audio'];
		$thisfile_video = &$info['video'];
		$info['asf']  = array();
		$thisfile_asf = &$info['asf'];
		$thisfile_asf['comments'] = array();
		$thisfile_asf_comments    = &$thisfile_asf['comments'];
		$thisfile_asf['header_object'] = array();
		$thisfile_asf_headerobject     = &$thisfile_asf['header_object'];


		// ASF structure:
		// * Header Object [required]
		//   * File Properties Object [required]   (global file attributes)
		//   * Stream Properties Object [required] (defines media stream & characteristics)
		//   * Header Extension Object [required]  (additional functionality)
		//   * Content Description Object          (bibliographic information)
		//   * Script Command Object               (commands for during playback)
		//   * Marker Object                       (named jumped points within the file)
		// * Data Object [required]
		//   * Data Packets
		// * Index Object

		// Header Object: (mandatory, one only)
		// Field Name                   Field Type   Size (bits)
		// Object ID                    GUID         128             // GUID for header object - GETID3_ASF_Header_Object
		// Object Size                  QWORD        64              // size of header object, including 30 bytes of Header Object header
		// Number of Header Objects     DWORD        32              // number of objects in header object
		// Reserved1                    BYTE         8               // hardcoded: 0x01
		// Reserved2                    BYTE         8               // hardcoded: 0x02

		$info['fileformat'] = 'asf';

		$this->fseek($info['avdataoffset']);
		$HeaderObjectData = $this->fread(30);

		$thisfile_asf_headerobject['objectid']      = substr($HeaderObjectData, 0, 16);
		$thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
		if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
			unset($info['fileformat'], $info['asf']);
			return $this->error('ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}');
		}
		$thisfile_asf_headerobject['objectsize']    = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
		$thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
		$thisfile_asf_headerobject['reserved1']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
		$thisfile_asf_headerobject['reserved2']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));

		$NextObjectOffset = $this->ftell();
		$ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
		$offset = 0;
		$thisfile_asf_streambitratepropertiesobject = array();
		$thisfile_asf_codeclistobject = array();
		$StreamPropertiesObjectData = array();

		for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
			$NextObjectGUID = substr($ASFHeaderData, $offset, 16);
			$offset += 16;
			$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
			$NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
			$offset += 8;
			switch ($NextObjectGUID) {

				case GETID3_ASF_File_Properties_Object:
					// File Properties Object: (mandatory, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for file properties object - GETID3_ASF_File_Properties_Object
					// Object Size                  QWORD        64              // size of file properties object, including 104 bytes of File Properties Object header
					// File ID                      GUID         128             // unique ID - identical to File ID in Data Object
					// File Size                    QWORD        64              // entire file in bytes. Invalid if Broadcast Flag == 1
					// Creation Date                QWORD        64              // date & time of file creation. Maybe invalid if Broadcast Flag == 1
					// Data Packets Count           QWORD        64              // number of data packets in Data Object. Invalid if Broadcast Flag == 1
					// Play Duration                QWORD        64              // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
					// Send Duration                QWORD        64              // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
					// 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
					// Flags                        DWORD        32              //
					// * Broadcast Flag             bits         1  (0x01)       // file is currently being written, some header values are invalid
					// * Seekable Flag              bits         1  (0x02)       // is file seekable
					// * Reserved                   bits         30 (0xFFFFFFFC) // reserved - set to zero
					// Minimum Data Packet Size     DWORD        32              // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
					// Maximum Data Packet Size     DWORD        32              // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
					// Maximum Bitrate              DWORD        32              // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead

					// shortcut
					$thisfile_asf['file_properties_object'] = array();
					$thisfile_asf_filepropertiesobject      = &$thisfile_asf['file_properties_object'];

					$thisfile_asf_filepropertiesobject['offset']             = $NextObjectOffset + $offset;
					$thisfile_asf_filepropertiesobject['objectid']           = $NextObjectGUID;
					$thisfile_asf_filepropertiesobject['objectid_guid']      = $NextObjectGUIDtext;
					$thisfile_asf_filepropertiesobject['objectsize']         = $NextObjectSize;
					$thisfile_asf_filepropertiesobject['fileid']             = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$thisfile_asf_filepropertiesobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
					$thisfile_asf_filepropertiesobject['filesize']           = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$offset += 8;
					$thisfile_asf_filepropertiesobject['creation_date']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
					$offset += 8;
					$thisfile_asf_filepropertiesobject['data_packets']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$offset += 8;
					$thisfile_asf_filepropertiesobject['play_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$offset += 8;
					$thisfile_asf_filepropertiesobject['send_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$offset += 8;
					$thisfile_asf_filepropertiesobject['preroll']            = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$offset += 8;
					$thisfile_asf_filepropertiesobject['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
					$thisfile_asf_filepropertiesobject['flags']['seekable']  = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);

					$thisfile_asf_filepropertiesobject['min_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$thisfile_asf_filepropertiesobject['max_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$thisfile_asf_filepropertiesobject['max_bitrate']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;

					if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {

						// broadcast flag is set, some values invalid
						unset($thisfile_asf_filepropertiesobject['filesize']);
						unset($thisfile_asf_filepropertiesobject['data_packets']);
						unset($thisfile_asf_filepropertiesobject['play_duration']);
						unset($thisfile_asf_filepropertiesobject['send_duration']);
						unset($thisfile_asf_filepropertiesobject['min_packet_size']);
						unset($thisfile_asf_filepropertiesobject['max_packet_size']);

					} else {

						// broadcast flag NOT set, perform calculations
						$info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);

						//$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
						$info['bitrate'] = getid3_lib::SafeDiv($thisfile_asf_filepropertiesobject['filesize'] * 8, $info['playtime_seconds']);
					}
					break;

				case GETID3_ASF_Stream_Properties_Object:
					// Stream Properties Object: (mandatory, one per media stream)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
					// Object Size                  QWORD        64              // size of stream properties object, including 78 bytes of Stream Properties Object header
					// Stream Type                  GUID         128             // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
					// Error Correction Type        GUID         128             // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
					// Time Offset                  QWORD        64              // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
					// Type-Specific Data Length    DWORD        32              // number of bytes for Type-Specific Data field
					// Error Correction Data Length DWORD        32              // number of bytes for Error Correction Data field
					// Flags                        WORD         16              //
					// * Stream Number              bits         7 (0x007F)      // number of this stream.  1 <= valid <= 127
					// * Reserved                   bits         8 (0x7F80)      // reserved - set to zero
					// * Encrypted Content Flag     bits         1 (0x8000)      // stream contents encrypted if set
					// Reserved                     DWORD        32              // reserved - set to zero
					// Type-Specific Data           BYTESTREAM   variable        // type-specific format data, depending on value of Stream Type
					// Error Correction Data        BYTESTREAM   variable        // error-correction-specific format data, depending on value of Error Correct Type

					// There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
					// stream number isn't known until halfway through decoding the structure, hence it
					// it is decoded to a temporary variable and then stuck in the appropriate index later

					$StreamPropertiesObjectData['offset']             = $NextObjectOffset + $offset;
					$StreamPropertiesObjectData['objectid']           = $NextObjectGUID;
					$StreamPropertiesObjectData['objectid_guid']      = $NextObjectGUIDtext;
					$StreamPropertiesObjectData['objectsize']         = $NextObjectSize;
					$StreamPropertiesObjectData['stream_type']        = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$StreamPropertiesObjectData['stream_type_guid']   = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
					$StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
					$StreamPropertiesObjectData['time_offset']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
					$offset += 8;
					$StreamPropertiesObjectData['type_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$StreamPropertiesObjectData['error_data_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$StreamPropertiesObjectData['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$StreamPropertiesObjectStreamNumber               = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
					$StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);

					$offset += 4; // reserved - DWORD
					$StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
					$offset += $StreamPropertiesObjectData['type_data_length'];
					$StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
					$offset += $StreamPropertiesObjectData['error_data_length'];

					switch ($StreamPropertiesObjectData['stream_type']) {

						case GETID3_ASF_Audio_Media:
							$thisfile_audio['dataformat']   = (!empty($thisfile_audio['dataformat'])   ? $thisfile_audio['dataformat']   : 'asf');
							$thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');

							$audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
							unset($audiodata['raw']);
							$thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
							break;

						case GETID3_ASF_Video_Media:
							$thisfile_video['dataformat']   = (!empty($thisfile_video['dataformat'])   ? $thisfile_video['dataformat']   : 'asf');
							$thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
							break;

						case GETID3_ASF_Command_Media:
						default:
							// do nothing
							break;

					}

					$thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
					unset($StreamPropertiesObjectData); // clear for next stream, if any
					break;

				case GETID3_ASF_Header_Extension_Object:
					// Header Extension Object: (mandatory, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
					// Object Size                  QWORD        64              // size of Header Extension object, including 46 bytes of Header Extension Object header
					// Reserved Field 1             GUID         128             // hardcoded: GETID3_ASF_Reserved_1
					// Reserved Field 2             WORD         16              // hardcoded: 0x00000006
					// Header Extension Data Size   DWORD        32              // in bytes. valid: 0, or > 24. equals object size minus 46
					// Header Extension Data        BYTESTREAM   variable        // array of zero or more extended header objects

					// shortcut
					$thisfile_asf['header_extension_object'] = array();
					$thisfile_asf_headerextensionobject      = &$thisfile_asf['header_extension_object'];

					$thisfile_asf_headerextensionobject['offset']              = $NextObjectOffset + $offset;
					$thisfile_asf_headerextensionobject['objectid']            = $NextObjectGUID;
					$thisfile_asf_headerextensionobject['objectid_guid']       = $NextObjectGUIDtext;
					$thisfile_asf_headerextensionobject['objectsize']          = $NextObjectSize;
					$thisfile_asf_headerextensionobject['reserved_1']          = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$thisfile_asf_headerextensionobject['reserved_1_guid']     = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
					if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
						$this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')');
						//return false;
						break;
					}
					$thisfile_asf_headerextensionobject['reserved_2']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
						$this->warning('header_extension_object.reserved_2 ('.$thisfile_asf_headerextensionobject['reserved_2'].') does not match expected value of "6"');
						//return false;
						break;
					}
					$thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$thisfile_asf_headerextensionobject['extension_data']      =                              substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
					$unhandled_sections = 0;
					$thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
					if ($unhandled_sections === 0) {
						unset($thisfile_asf_headerextensionobject['extension_data']);
					}
					$offset += $thisfile_asf_headerextensionobject['extension_data_size'];
					break;

				case GETID3_ASF_Codec_List_Object:
					// Codec List Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Codec List object - GETID3_ASF_Codec_List_Object
					// Object Size                  QWORD        64              // size of Codec List object, including 44 bytes of Codec List Object header
					// Reserved                     GUID         128             // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
					// Codec Entries Count          DWORD        32              // number of entries in Codec Entries array
					// Codec Entries                array of:    variable        //
					// * Type                       WORD         16              // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
					// * Codec Name Length          WORD         16              // number of Unicode characters stored in the Codec Name field
					// * Codec Name                 WCHAR        variable        // array of Unicode characters - name of codec used to create the content
					// * Codec Description Length   WORD         16              // number of Unicode characters stored in the Codec Description field
					// * Codec Description          WCHAR        variable        // array of Unicode characters - description of format used to create the content
					// * Codec Information Length   WORD         16              // number of Unicode characters stored in the Codec Information field
					// * Codec Information          BYTESTREAM   variable        // opaque array of information bytes about the codec used to create the content

					// shortcut
					$thisfile_asf['codec_list_object'] = array();
					/** @var mixed[] $thisfile_asf_codeclistobject */
					$thisfile_asf_codeclistobject      = &$thisfile_asf['codec_list_object'];

					$thisfile_asf_codeclistobject['offset']                    = $NextObjectOffset + $offset;
					$thisfile_asf_codeclistobject['objectid']                  = $NextObjectGUID;
					$thisfile_asf_codeclistobject['objectid_guid']             = $NextObjectGUIDtext;
					$thisfile_asf_codeclistobject['objectsize']                = $NextObjectSize;
					$thisfile_asf_codeclistobject['reserved']                  = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$thisfile_asf_codeclistobject['reserved_guid']             = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
					if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
						$this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}');
						//return false;
						break;
					}
					$thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					if ($thisfile_asf_codeclistobject['codec_entries_count'] > 0) {
						$thisfile_asf_codeclistobject['codec_entries'] = array();
					}
					$offset += 4;
					for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
						// shortcut
						$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
						$thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];

						$thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);

						$CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
						$offset += 2;
						$thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
						$offset += $CodecNameLength;

						$CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
						$offset += 2;
						$thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
						$offset += $CodecDescriptionLength;

						$CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
						$offset += $CodecInformationLength;

						if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec

							if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
								$this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
							} else {

								list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
								$thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);

								if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
									$thisfile_audio['bitrate'] = (int) trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000;
								}
								//if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
								if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
									//$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
									$thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
								}

								$AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
								switch ($AudioCodecFrequency) {
									case 8:
									case 8000:
										$thisfile_audio['sample_rate'] = 8000;
										break;

									case 11:
									case 11025:
										$thisfile_audio['sample_rate'] = 11025;
										break;

									case 12:
									case 12000:
										$thisfile_audio['sample_rate'] = 12000;
										break;

									case 16:
									case 16000:
										$thisfile_audio['sample_rate'] = 16000;
										break;

									case 22:
									case 22050:
										$thisfile_audio['sample_rate'] = 22050;
										break;

									case 24:
									case 24000:
										$thisfile_audio['sample_rate'] = 24000;
										break;

									case 32:
									case 32000:
										$thisfile_audio['sample_rate'] = 32000;
										break;

									case 44:
									case 441000:
										$thisfile_audio['sample_rate'] = 44100;
										break;

									case 48:
									case 48000:
										$thisfile_audio['sample_rate'] = 48000;
										break;

									default:
										$this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
										break;
								}

								if (!isset($thisfile_audio['channels'])) {
									if (strstr($AudioCodecChannels, 'stereo')) {
										$thisfile_audio['channels'] = 2;
									} elseif (strstr($AudioCodecChannels, 'mono')) {
										$thisfile_audio['channels'] = 1;
									}
								}

							}
						}
					}
					break;

				case GETID3_ASF_Script_Command_Object:
					// Script Command Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Script Command object - GETID3_ASF_Script_Command_Object
					// Object Size                  QWORD        64              // size of Script Command object, including 44 bytes of Script Command Object header
					// Reserved                     GUID         128             // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
					// Commands Count               WORD         16              // number of Commands structures in the Script Commands Objects
					// Command Types Count          WORD         16              // number of Command Types structures in the Script Commands Objects
					// Command Types                array of:    variable        //
					// * Command Type Name Length   WORD         16              // number of Unicode characters for Command Type Name
					// * Command Type Name          WCHAR        variable        // array of Unicode characters - name of a type of command
					// Commands                     array of:    variable        //
					// * Presentation Time          DWORD        32              // presentation time of that command, in milliseconds
					// * Type Index                 WORD         16              // type of this command, as a zero-based index into the array of Command Types of this object
					// * Command Name Length        WORD         16              // number of Unicode characters for Command Name
					// * Command Name               WCHAR        variable        // array of Unicode characters - name of this command

					// shortcut
					$thisfile_asf['script_command_object'] = array();
					$thisfile_asf_scriptcommandobject      = &$thisfile_asf['script_command_object'];

					$thisfile_asf_scriptcommandobject['offset']               = $NextObjectOffset + $offset;
					$thisfile_asf_scriptcommandobject['objectid']             = $NextObjectGUID;
					$thisfile_asf_scriptcommandobject['objectid_guid']        = $NextObjectGUIDtext;
					$thisfile_asf_scriptcommandobject['objectsize']           = $NextObjectSize;
					$thisfile_asf_scriptcommandobject['reserved']             = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$thisfile_asf_scriptcommandobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
					if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
						$this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}');
						//return false;
						break;
					}
					$thisfile_asf_scriptcommandobject['commands_count']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_scriptcommandobject['command_types_count']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
						$CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
						$offset += 2;
						$thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
						$offset += $CommandTypeNameLength;
					}
					for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
						$offset += 4;
						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;

						$CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
						$offset += 2;
						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
						$offset += $CommandTypeNameLength;
					}
					break;

				case GETID3_ASF_Marker_Object:
					// Marker Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Marker object - GETID3_ASF_Marker_Object
					// Object Size                  QWORD        64              // size of Marker object, including 48 bytes of Marker Object header
					// Reserved                     GUID         128             // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
					// Markers Count                DWORD        32              // number of Marker structures in Marker Object
					// Reserved                     WORD         16              // hardcoded: 0x0000
					// Name Length                  WORD         16              // number of bytes in the Name field
					// Name                         WCHAR        variable        // name of the Marker Object
					// Markers                      array of:    variable        //
					// * Offset                     QWORD        64              // byte offset into Data Object
					// * Presentation Time          QWORD        64              // in 100-nanosecond units
					// * Entry Length               WORD         16              // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
					// * Send Time                  DWORD        32              // in milliseconds
					// * Flags                      DWORD        32              // hardcoded: 0x00000000
					// * Marker Description Length  DWORD        32              // number of bytes in Marker Description field
					// * Marker Description         WCHAR        variable        // array of Unicode characters - description of marker entry
					// * Padding                    BYTESTREAM   variable        // optional padding bytes

					// shortcut
					$thisfile_asf['marker_object'] = array();
					$thisfile_asf_markerobject     = &$thisfile_asf['marker_object'];

					$thisfile_asf_markerobject['offset']               = $NextObjectOffset + $offset;
					$thisfile_asf_markerobject['objectid']             = $NextObjectGUID;
					$thisfile_asf_markerobject['objectid_guid']        = $NextObjectGUIDtext;
					$thisfile_asf_markerobject['objectsize']           = $NextObjectSize;
					$thisfile_asf_markerobject['reserved']             = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$thisfile_asf_markerobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
					if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
						$this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}');
						break;
					}
					$thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					$thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					if ($thisfile_asf_markerobject['reserved_2'] != 0) {
						$this->warning('marker_object.reserved_2 ('.$thisfile_asf_markerobject['reserved_2'].') does not match expected value of "0"');
						break;
					}
					$thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
					$offset += $thisfile_asf_markerobject['name_length'];
					for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['offset']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
						$offset += 8;
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
						$offset += 8;
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length']              = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time']                 = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
						$offset += 4;
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['flags']                     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
						$offset += 4;
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
						$offset += 4;
						$thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description']        = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
						$offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
						$PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 -  4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
						if ($PaddingLength > 0) {
							$thisfile_asf_markerobject['markers'][$MarkersCounter]['padding']               = substr($ASFHeaderData, $offset, $PaddingLength);
							$offset += $PaddingLength;
						}
					}
					break;

				case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
					// Bitrate Mutual Exclusion Object: (optional)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
					// Object Size                  QWORD        64              // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
					// Exlusion Type                GUID         128             // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
					// Stream Numbers Count         WORD         16              // number of video streams
					// Stream Numbers               WORD         variable        // array of mutually exclusive video stream numbers. 1 <= valid <= 127

					// shortcut
					$thisfile_asf['bitrate_mutual_exclusion_object'] = array();
					$thisfile_asf_bitratemutualexclusionobject       = &$thisfile_asf['bitrate_mutual_exclusion_object'];

					$thisfile_asf_bitratemutualexclusionobject['offset']               = $NextObjectOffset + $offset;
					$thisfile_asf_bitratemutualexclusionobject['objectid']             = $NextObjectGUID;
					$thisfile_asf_bitratemutualexclusionobject['objectid_guid']        = $NextObjectGUIDtext;
					$thisfile_asf_bitratemutualexclusionobject['objectsize']           = $NextObjectSize;
					$thisfile_asf_bitratemutualexclusionobject['reserved']             = substr($ASFHeaderData, $offset, 16);
					$thisfile_asf_bitratemutualexclusionobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
					$offset += 16;
					if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
						$this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$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).'}');
						//return false;
						break;
					}
					$thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
						$thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
					}
					break;

				case GETID3_ASF_Error_Correction_Object:
					// Error Correction Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
					// Object Size                  QWORD        64              // size of Error Correction object, including 44 bytes of Error Correction Object header
					// Error Correction Type        GUID         128             // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
					// Error Correction Data Length DWORD        32              // number of bytes in Error Correction Data field
					// Error Correction Data        BYTESTREAM   variable        // structure depends on value of Error Correction Type field

					// shortcut
					$thisfile_asf['error_correction_object'] = array();
					$thisfile_asf_errorcorrectionobject      = &$thisfile_asf['error_correction_object'];

					$thisfile_asf_errorcorrectionobject['offset']                = $NextObjectOffset + $offset;
					$thisfile_asf_errorcorrectionobject['objectid']              = $NextObjectGUID;
					$thisfile_asf_errorcorrectionobject['objectid_guid']         = $NextObjectGUIDtext;
					$thisfile_asf_errorcorrectionobject['objectsize']            = $NextObjectSize;
					$thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
					$offset += 16;
					$thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
					$thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
					$offset += 4;
					switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
						case GETID3_ASF_No_Error_Correction:
							// should be no data, but just in case there is, skip to the end of the field
							$offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
							break;

						case GETID3_ASF_Audio_Spread:
							// Field Name                   Field Type   Size (bits)
							// Span                         BYTE         8               // number of packets over which audio will be spread.
							// Virtual Packet Length        WORD         16              // size of largest audio payload found in audio stream
							// Virtual Chunk Length         WORD         16              // size of largest audio payload found in audio stream
							// Silence Data Length          WORD         16              // number of bytes in Silence Data field
							// Silence Data                 BYTESTREAM   variable        // hardcoded: 0x00 * (Silence Data Length) bytes

							$thisfile_asf_errorcorrectionobject['span']                  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
							$offset += 1;
							$thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
							$offset += 2;
							$thisfile_asf_errorcorrectionobject['virtual_chunk_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
							$offset += 2;
							$thisfile_asf_errorcorrectionobject['silence_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
							$offset += 2;
							$thisfile_asf_errorcorrectionobject['silence_data']          = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
							$offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
							break;

						default:
							$this->warning('error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or  "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}');
							//return false;
							break;
					}

					break;

				case GETID3_ASF_Content_Description_Object:
					// Content Description Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Content Description object - GETID3_ASF_Content_Description_Object
					// Object Size                  QWORD        64              // size of Content Description object, including 34 bytes of Content Description Object header
					// Title Length                 WORD         16              // number of bytes in Title field
					// Author Length                WORD         16              // number of bytes in Author field
					// Copyright Length             WORD         16              // number of bytes in Copyright field
					// Description Length           WORD         16              // number of bytes in Description field
					// Rating Length                WORD         16              // number of bytes in Rating field
					// Title                        WCHAR        16              // array of Unicode characters - Title
					// Author                       WCHAR        16              // array of Unicode characters - Author
					// Copyright                    WCHAR        16              // array of Unicode characters - Copyright
					// Description                  WCHAR        16              // array of Unicode characters - Description
					// Rating                       WCHAR        16              // array of Unicode characters - Rating

					// shortcut
					$thisfile_asf['content_description_object'] = array();
					$thisfile_asf_contentdescriptionobject      = &$thisfile_asf['content_description_object'];

					$thisfile_asf_contentdescriptionobject['offset']                = $NextObjectOffset + $offset;
					$thisfile_asf_contentdescriptionobject['objectid']              = $NextObjectGUID;
					$thisfile_asf_contentdescriptionobject['objectid_guid']         = $NextObjectGUIDtext;
					$thisfile_asf_contentdescriptionobject['objectsize']            = $NextObjectSize;
					$thisfile_asf_contentdescriptionobject['title_length']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_contentdescriptionobject['author_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_contentdescriptionobject['copyright_length']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_contentdescriptionobject['description_length']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_contentdescriptionobject['rating_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					$thisfile_asf_contentdescriptionobject['title']                 = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
					$offset += $thisfile_asf_contentdescriptionobject['title_length'];
					$thisfile_asf_contentdescriptionobject['author']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
					$offset += $thisfile_asf_contentdescriptionobject['author_length'];
					$thisfile_asf_contentdescriptionobject['copyright']             = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
					$offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
					$thisfile_asf_contentdescriptionobject['description']           = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
					$offset += $thisfile_asf_contentdescriptionobject['description_length'];
					$thisfile_asf_contentdescriptionobject['rating']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
					$offset += $thisfile_asf_contentdescriptionobject['rating_length'];

					$ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
					foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
						if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
							$thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
						}
					}
					break;

				case GETID3_ASF_Extended_Content_Description_Object:
					// Extended Content Description Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
					// Object Size                  QWORD        64              // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
					// Content Descriptors Count    WORD         16              // number of entries in Content Descriptors list
					// Content Descriptors          array of:    variable        //
					// * Descriptor Name Length     WORD         16              // size in bytes of Descriptor Name field
					// * Descriptor Name            WCHAR        variable        // array of Unicode characters - Descriptor Name
					// * Descriptor Value Data Type WORD         16              // Lookup array:
																					// 0x0000 = Unicode String (variable length)
																					// 0x0001 = BYTE array     (variable length)
																					// 0x0002 = BOOL           (DWORD, 32 bits)
																					// 0x0003 = DWORD          (DWORD, 32 bits)
																					// 0x0004 = QWORD          (QWORD, 64 bits)
																					// 0x0005 = WORD           (WORD,  16 bits)
					// * Descriptor Value Length    WORD         16              // number of bytes stored in Descriptor Value field
					// * Descriptor Value           variable     variable        // value for Content Descriptor

					// shortcut
					$thisfile_asf['extended_content_description_object'] = array();
					$thisfile_asf_extendedcontentdescriptionobject       = &$thisfile_asf['extended_content_description_object'];

					$thisfile_asf_extendedcontentdescriptionobject['offset']                    = $NextObjectOffset + $offset;
					$thisfile_asf_extendedcontentdescriptionobject['objectid']                  = $NextObjectGUID;
					$thisfile_asf_extendedcontentdescriptionobject['objectid_guid']             = $NextObjectGUIDtext;
					$thisfile_asf_extendedcontentdescriptionobject['objectsize']                = $NextObjectSize;
					$thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
						// shortcut
						$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current                 = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];

						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset']  = $offset + 30;
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']         = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
						$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']        = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
						$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
						switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
							case 0x0000: // Unicode string
								break;

							case 0x0001: // BYTE array
								// do nothing
								break;

							case 0x0002: // BOOL
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
								break;

							case 0x0003: // DWORD
							case 0x0004: // QWORD
							case 0x0005: // WORD
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
								break;

							default:
								$this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
								//return false;
								break;
						}
						switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {

							case 'wm/albumartist':
							case 'artist':
								// Note: not 'artist', that comes from 'author' tag
								$thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								break;

							case 'wm/albumtitle':
							case 'album':
								$thisfile_asf_comments['album']  = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								break;

							case 'wm/genre':
							case 'genre':
								$thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								break;

							case 'wm/partofset':
								$thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								break;

							case 'wm/tracknumber':
							case 'tracknumber':
								// be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
								$thisfile_asf_comments['track_number'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								foreach ($thisfile_asf_comments['track_number'] as $key => $value) {
									if (preg_match('/^[0-9\x00]+$/', $value)) {
										$thisfile_asf_comments['track_number'][$key] = intval(str_replace("\x00", '', $value));
									}
								}
								break;

							case 'wm/track':
								if (empty($thisfile_asf_comments['track_number'])) {
									$thisfile_asf_comments['track_number'] = array(1 + (int) $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								}
								break;

							case 'wm/year':
							case 'year':
							case 'date':
								$thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								break;

							case 'wm/lyrics':
							case 'lyrics':
								$thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
								break;

							case 'isvbr':
								if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
									$thisfile_audio['bitrate_mode'] = 'vbr';
									$thisfile_video['bitrate_mode'] = 'vbr';
								}
								break;

							case 'id3':
								$this->getid3->include_module('tag.id3v2');

								$getid3_id3v2 = new getid3_id3v2($this->getid3);
								$getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
								unset($getid3_id3v2);

								if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
								}
								break;

							case 'wm/encodingtime':
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
								$thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
								break;

							case 'wm/picture':
								$WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
								foreach ($WMpicture as $key => $value) {
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
								}
								unset($WMpicture);
/*
								$wm_picture_offset = 0;
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
								$wm_picture_offset += 1;
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type']    = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size']    = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
								$wm_picture_offset += 4;

								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
								do {
									$next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
									$wm_picture_offset += 2;
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
								} while ($next_byte_pair !== "\x00\x00");

								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
								do {
									$next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
									$wm_picture_offset += 2;
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
								} while ($next_byte_pair !== "\x00\x00");

								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
								unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);

								$imageinfo = array();
								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
								$imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
								unset($imageinfo);
								if (!empty($imagechunkcheck)) {
									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
								}
								if (!isset($thisfile_asf_comments['picture'])) {
									$thisfile_asf_comments['picture'] = array();
								}
								$thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
*/
								break;

							default:
								switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
									case 0: // Unicode string
										if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
											$thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
										}
										break;

									case 1:
										break;
								}
								break;
						}

					}
					break;

				case GETID3_ASF_Stream_Bitrate_Properties_Object:
					// Stream Bitrate Properties Object: (optional, one only)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
					// Object Size                  QWORD        64              // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
					// Bitrate Records Count        WORD         16              // number of records in Bitrate Records
					// Bitrate Records              array of:    variable        //
					// * Flags                      WORD         16              //
					// * * Stream Number            bits         7  (0x007F)     // number of this stream
					// * * Reserved                 bits         9  (0xFF80)     // hardcoded: 0
					// * Average Bitrate            DWORD        32              // in bits per second

					// shortcut
					$thisfile_asf['stream_bitrate_properties_object'] = array();
					$thisfile_asf_streambitratepropertiesobject       = &$thisfile_asf['stream_bitrate_properties_object'];

					$thisfile_asf_streambitratepropertiesobject['offset']                    = $NextObjectOffset + $offset;
					$thisfile_asf_streambitratepropertiesobject['objectid']                  = $NextObjectGUID;
					$thisfile_asf_streambitratepropertiesobject['objectid_guid']             = $NextObjectGUIDtext;
					$thisfile_asf_streambitratepropertiesobject['objectsize']                = $NextObjectSize;
					$thisfile_asf_streambitratepropertiesobject['bitrate_records_count']     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
					$offset += 2;
					for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
						$offset += 2;
						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
						$offset += 4;
					}
					break;

				case GETID3_ASF_Padding_Object:
					// Padding Object: (optional)
					// Field Name                   Field Type   Size (bits)
					// Object ID                    GUID         128             // GUID for Padding object - GETID3_ASF_Padding_Object
					// Object Size                  QWORD        64              // size of Padding object, including 24 bytes of ASF Padding Object header
					// Padding Data                 BYTESTREAM   variable        // ignore

					// shortcut
					$thisfile_asf['padding_object'] = array();
					$thisfile_asf_paddingobject     = &$thisfile_asf['padding_object'];

					$thisfile_asf_paddingobject['offset']                    = $NextObjectOffset + $offset;
					$thisfile_asf_paddingobject['objectid']                  = $NextObjectGUID;
					$thisfile_asf_paddingobject['objectid_guid']             = $NextObjectGUIDtext;
					$thisfile_asf_paddingobject['objectsize']                = $NextObjectSize;
					$thisfile_asf_paddingobject['padding_length']            = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
					$thisfile_asf_paddingobject['padding']                   = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
					$offset += ($NextObjectSize - 16 - 8);
					break;

				case GETID3_ASF_Extended_Content_Encryption_Object:
				case GETID3_ASF_Content_Encryption_Object:
					// WMA DRM - just ignore
					$offset += ($NextObjectSize - 16 - 8);
					break;

				default:
					// Implementations shall ignore any standard or non-standard object that they do not know how to handle.
					if ($this->GUIDname($NextObjectGUIDtext)) {
						$this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
					} else {
						$this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
					}
					$offset += ($NextObjectSize - 16 - 8);
					break;
			}
		}
		if (isset($thisfile_asf_streambitratepropertiesobject['bitrate_records_count'])) {
			$ASFbitrateAudio = 0;
			$ASFbitrateVideo = 0;
			for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
				if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
					switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
						case 1:
							$ASFbitrateVideo += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
							break;

						case 2:
							$ASFbitrateAudio += $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
							break;

						default:
							// do nothing
							break;
					}
				}
			}
			if ($ASFbitrateAudio > 0) {
				$thisfile_audio['bitrate'] = $ASFbitrateAudio;
			}
			if ($ASFbitrateVideo > 0) {
				$thisfile_video['bitrate'] = $ASFbitrateVideo;
			}
		}
		if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {

			$thisfile_audio['bitrate'] = 0;
			$thisfile_video['bitrate'] = 0;

			foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {

				switch ($streamdata['stream_type']) {
					case GETID3_ASF_Audio_Media:
						// Field Name                   Field Type   Size (bits)
						// Codec ID / Format Tag        WORD         16              // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
						// Number of Channels           WORD         16              // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
						// Samples Per Second           DWORD        32              // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
						// Average number of Bytes/sec  DWORD        32              // bytes/sec of audio stream  - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
						// Block Alignment              WORD         16              // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
						// 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
						// Codec Specific Data Size     WORD         16              // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
						// Codec Specific Data          BYTESTREAM   variable        // array of codec-specific data bytes

						// shortcut
						$thisfile_asf['audio_media'][$streamnumber] = array();
						$thisfile_asf_audiomedia_currentstream      = &$thisfile_asf['audio_media'][$streamnumber];

						$audiomediaoffset = 0;

						$thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
						$audiomediaoffset += 16;

						$thisfile_audio['lossless'] = false;
						switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
							case 0x0001: // PCM
							case 0x0163: // WMA9 Lossless
								$thisfile_audio['lossless'] = true;
								break;
						}

						if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { // @phpstan-ignore-line
							foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
								if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
									$thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
									$thisfile_audio['bitrate'] += $dataarray['bitrate'];
									break;
								}
							}
						} else {
							if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
								$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
							} elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
								$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
							}
						}
						$thisfile_audio['streams'][$streamnumber]                = $thisfile_asf_audiomedia_currentstream;
						$thisfile_audio['streams'][$streamnumber]['wformattag']  = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
						$thisfile_audio['streams'][$streamnumber]['lossless']    = $thisfile_audio['lossless'];
						$thisfile_audio['streams'][$streamnumber]['bitrate']     = $thisfile_audio['bitrate'];
						$thisfile_audio['streams'][$streamnumber]['dataformat']  = 'wma';
						unset($thisfile_audio['streams'][$streamnumber]['raw']);

						$thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
						$audiomediaoffset += 2;
						$thisfile_asf_audiomedia_currentstream['codec_data']      = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
						$audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];

						break;

					case GETID3_ASF_Video_Media:
						// Field Name                   Field Type   Size (bits)
						// Encoded Image Width          DWORD        32              // width of image in pixels
						// Encoded Image Height         DWORD        32              // height of image in pixels
						// Reserved Flags               BYTE         8               // hardcoded: 0x02
						// Format Data Size             WORD         16              // size of Format Data field in bytes
						// Format Data                  array of:    variable        //
						// * Format Data Size           DWORD        32              // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
						// * Image Width                LONG         32              // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
						// * Image Height               LONG         32              // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
						// * Reserved                   WORD         16              // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
						// * Bits Per Pixel Count       WORD         16              // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
						// * Compression ID             FOURCC       32              // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
						// * Image Size                 DWORD        32              // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
						// * Horizontal Pixels / Meter  DWORD        32              // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
						// * Vertical Pixels / Meter    DWORD        32              // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
						// * Colors Used Count          DWORD        32              // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
						// * 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
						// * Codec Specific Data        BYTESTREAM   variable        // array of codec-specific data bytes

						// shortcut
						$thisfile_asf['video_media'][$streamnumber] = array();
						$thisfile_asf_videomedia_currentstream      = &$thisfile_asf['video_media'][$streamnumber];

						$videomediaoffset = 0;
						$thisfile_asf_videomedia_currentstream['image_width']                     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['image_height']                    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['flags']                           = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
						$videomediaoffset += 1;
						$thisfile_asf_videomedia_currentstream['format_data_size']                = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
						$videomediaoffset += 2;
						$thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['image_width']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['image_height']     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['reserved']         = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
						$videomediaoffset += 2;
						$thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']   = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
						$videomediaoffset += 2;
						$thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']     = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['image_size']       = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels']  = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['vertical_pels']    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['colors_used']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
						$videomediaoffset += 4;
						$thisfile_asf_videomedia_currentstream['format_data']['codec_data']       = substr($streamdata['type_specific_data'], $videomediaoffset);

						if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) { // @phpstan-ignore-line
							foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
								if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
									$thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
									$thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
									$thisfile_video['bitrate'] += $dataarray['bitrate'];
									break;
								}
							}
						}

						$thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);

						$thisfile_video['streams'][$streamnumber]['fourcc']          = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
						$thisfile_video['streams'][$streamnumber]['codec']           = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
						$thisfile_video['streams'][$streamnumber]['resolution_x']    = $thisfile_asf_videomedia_currentstream['image_width'];
						$thisfile_video['streams'][$streamnumber]['resolution_y']    = $thisfile_asf_videomedia_currentstream['image_height'];
						$thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
						break;

					default:
						break;
				}
			}
		}

		while ($this->ftell() < $info['avdataend']) {
			$NextObjectDataHeader = $this->fread(24);
			$offset = 0;
			$NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
			$offset += 16;
			$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
			$NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
			$offset += 8;

			switch ($NextObjectGUID) {
				case GETID3_ASF_Data_Object:
					// Data Object: (mandatory, one only)
					// Field Name                       Field Type   Size (bits)
					// Object ID                        GUID         128             // GUID for Data object - GETID3_ASF_Data_Object
					// Object Size                      QWORD        64              // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
					// File ID                          GUID         128             // unique identifier. identical to File ID field in Header Object
					// Total Data Packets               QWORD        64              // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
					// Reserved                         WORD         16              // hardcoded: 0x0101

					// shortcut
					$thisfile_asf['data_object'] = array();
					$thisfile_asf_dataobject     = &$thisfile_asf['data_object'];

					$DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
					$offset = 24;

					$thisfile_asf_dataobject['objectid']           = $NextObjectGUID;
					$thisfile_asf_dataobject['objectid_guid']      = $NextObjectGUIDtext;
					$thisfile_asf_dataobject['objectsize']         = $NextObjectSize;

					$thisfile_asf_dataobject['fileid']             = substr($DataObjectData, $offset, 16);
					$offset += 16;
					$thisfile_asf_dataobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
					$thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
					$offset += 8;
					$thisfile_asf_dataobject['reserved']           = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
					$offset += 2;
					if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
						$this->warning('data_object.reserved (0x'.sprintf('%04X', $thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"');
						//return false;
						break;
					}

					// Data Packets                     array of:    variable        //
					// * Error Correction Flags         BYTE         8               //
					// * * Error Correction Data Length bits         4               // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
					// * * Opaque Data Present          bits         1               //
					// * * Error Correction Length Type bits         2               // number of bits for size of the error correction data. hardcoded: 00
					// * * Error Correction Present     bits         1               // If set, use Opaque Data Packet structure, else use Payload structure
					// * Error Correction Data

					$info['avdataoffset'] = $this->ftell();
					$this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
					$info['avdataend'] = $this->ftell();
					break;

				case GETID3_ASF_Simple_Index_Object:
					// Simple Index Object: (optional, recommended, one per video stream)
					// Field Name                       Field Type   Size (bits)
					// Object ID                        GUID         128             // GUID for Simple Index object - GETID3_ASF_Data_Object
					// Object Size                      QWORD        64              // size of Simple Index object, including 56 bytes of Simple Index Object header
					// File ID                          GUID         128             // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
					// Index Entry Time Interval        QWORD        64              // interval between index entries in 100-nanosecond units
					// Maximum Packet Count             DWORD        32              // maximum packet count for all index entries
					// Index Entries Count              DWORD        32              // number of Index Entries structures
					// Index Entries                    array of:    variable        //
					// * Packet Number                  DWORD        32              // number of the Data Packet associated with this index entry
					// * Packet Count                   WORD         16              // number of Data Packets to sent at this index entry

					// shortcut
					$thisfile_asf['simple_index_object'] = array();
					$thisfile_asf_simpleindexobject      = &$thisfile_asf['simple_index_object'];

					$SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
					$offset = 24;

					$thisfile_asf_simpleindexobject['objectid']                  = $NextObjectGUID;
					$thisfile_asf_simpleindexobject['objectid_guid']             = $NextObjectGUIDtext;
					$thisfile_asf_simpleindexobject['objectsize']                = $NextObjectSize;

					$thisfile_asf_simpleindexobject['fileid']                    =                  substr($SimpleIndexObjectData, $offset, 16);
					$offset += 16;
					$thisfile_asf_simpleindexobject['fileid_guid']               = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
					$thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
					$offset += 8;
					$thisfile_asf_simpleindexobject['maximum_packet_count']      = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
					$offset += 4;
					$thisfile_asf_simpleindexobject['index_entries_count']       = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
					$offset += 4;

					$IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
					for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
						$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
						$offset += 4;
						$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count']  = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
						$offset += 2;
					}

					break;

				case GETID3_ASF_Index_Object:
					// 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
					// Field Name                       Field Type   Size (bits)
					// Object ID                        GUID         128             // GUID for the Index Object - GETID3_ASF_Index_Object
					// Object Size                      QWORD        64              // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
					// Index Entry Time Interval        DWORD        32              // Specifies the time interval between each index entry in ms.
					// Index Specifiers Count           WORD         16              // Specifies the number of Index Specifiers structures in this Index Object.
					// Index Blocks Count               DWORD        32              // Specifies the number of Index Blocks structures in this Index Object.

					// Index Entry Time Interval        DWORD        32              // Specifies the time interval between index entries in milliseconds.  This value cannot be 0.
					// Index Specifiers Count           WORD         16              // Specifies the number of entries in the Index Specifiers list.  Valid values are 1 and greater.
					// Index Specifiers                 array of:    varies          //
					// * Stream Number                  WORD         16              // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
					// * Index Type                     WORD         16              // Specifies Index Type values as follows:
																					//   1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
																					//   2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
																					//   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.
																					//   Nearest Past Cleanpoint is the most common type of index.
					// Index Entry Count                DWORD        32              // Specifies the number of Index Entries in the block.
					// * 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.
					// * Index Entries                  array of:    varies          //
					// * * Offsets                      DWORD        varies          // An offset value of 0xffffffff indicates an invalid offset value

					// shortcut
					$thisfile_asf['asf_index_object'] = array();
					$thisfile_asf_asfindexobject      = &$thisfile_asf['asf_index_object'];

					$ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
					$offset = 24;

					$thisfile_asf_asfindexobject['objectid']                  = $NextObjectGUID;
					$thisfile_asf_asfindexobject['objectid_guid']             = $NextObjectGUIDtext;
					$thisfile_asf_asfindexobject['objectsize']                = $NextObjectSize;

					$thisfile_asf_asfindexobject['entry_time_interval']       = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
					$offset += 4;
					$thisfile_asf_asfindexobject['index_specifiers_count']    = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
					$offset += 2;
					$thisfile_asf_asfindexobject['index_blocks_count']        = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
					$offset += 4;

					$ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
					for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
						$IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
						$offset += 2;
						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number']   = $IndexSpecifierStreamNumber;
						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']      = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
						$offset += 2;
						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
					}

					$ASFIndexObjectData .= $this->fread(4);
					$thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
					$offset += 4;

					$ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
					for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
						$thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
						$offset += 8;
					}

					$ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
					for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
						for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
							$thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
							$offset += 4;
						}
					}
					break;


				default:
					// Implementations shall ignore any standard or non-standard object that they do not know how to handle.
					if ($this->GUIDname($NextObjectGUIDtext)) {
						$this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
					} else {
						$this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
					}
					$this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
					break;
			}
		}

		if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
			foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
				switch ($streamdata['information']) {
					case 'WMV1':
					case 'WMV2':
					case 'WMV3':
					case 'MSS1':
					case 'MSS2':
					case 'WMVA':
					case 'WVC1':
					case 'WMVP':
					case 'WVP2':
						$thisfile_video['dataformat'] = 'wmv';
						$info['mime_type'] = 'video/x-ms-wmv';
						break;

					case 'MP42':
					case 'MP43':
					case 'MP4S':
					case 'mp4s':
						$thisfile_video['dataformat'] = 'asf';
						$info['mime_type'] = 'video/x-ms-asf';
						break;

					default:
						switch ($streamdata['type_raw']) {
							case 1:
								if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
									$thisfile_video['dataformat'] = 'wmv';
									if ($info['mime_type'] == 'video/x-ms-asf') {
										$info['mime_type'] = 'video/x-ms-wmv';
									}
								}
								break;

							case 2:
								if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
									$thisfile_audio['dataformat'] = 'wma';
									if ($info['mime_type'] == 'video/x-ms-asf') {
										$info['mime_type'] = 'audio/x-ms-wma';
									}
								}
								break;

						}
						break;
				}
			}
		}

		switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
			case 'MPEG Layer-3':
				$thisfile_audio['dataformat'] = 'mp3';
				break;

			default:
				break;
		}

		if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
			foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
				switch ($streamdata['type_raw']) {

					case 1: // video
						$thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
						break;

					case 2: // audio
						$thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);

						// AH 2003-10-01
						$thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);

						$thisfile_audio['codec']   = $thisfile_audio['encoder'];
						break;

					default:
						$this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
						break;

				}
			}
		}

		if (isset($info['audio'])) {
			$thisfile_audio['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
			$thisfile_audio['dataformat']         = (!empty($thisfile_audio['dataformat'])        ? $thisfile_audio['dataformat']         : 'asf');
		}
		if (!empty($thisfile_video['dataformat'])) {
			$thisfile_video['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
			$thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
			$thisfile_video['dataformat']         = (!empty($thisfile_video['dataformat'])        ? $thisfile_video['dataformat']         : 'asf');
		}
		if (!empty($thisfile_video['streams'])) {
			$thisfile_video['resolution_x'] = 0;
			$thisfile_video['resolution_y'] = 0;
			foreach ($thisfile_video['streams'] as $key => $valuearray) {
				if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
					$thisfile_video['resolution_x'] = $valuearray['resolution_x'];
					$thisfile_video['resolution_y'] = $valuearray['resolution_y'];
				}
			}
		}
		$info['bitrate'] = 0 + (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);

		if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
			$info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
		}

		return true;
	}

	/**
	 * @param int $CodecListType
	 *
	 * @return string
	 */
	public static function codecListObjectTypeLookup($CodecListType) {
		static $lookup = array(
			0x0001 => 'Video Codec',
			0x0002 => 'Audio Codec',
			0xFFFF => 'Unknown Codec'
		);

		return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
	}

	/**
	 * @return array
	 */
	public static function KnownGUIDs() {
		static $GUIDarray = array(
			'GETID3_ASF_Extended_Stream_Properties_Object'   => '14E6A5CB-C672-4332-8399-A96952065B5A',
			'GETID3_ASF_Padding_Object'                      => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
			'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
			'GETID3_ASF_Script_Command_Object'               => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
			'GETID3_ASF_No_Error_Correction'                 => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
			'GETID3_ASF_Content_Branding_Object'             => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
			'GETID3_ASF_Content_Encryption_Object'           => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
			'GETID3_ASF_Digital_Signature_Object'            => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
			'GETID3_ASF_Extended_Content_Encryption_Object'  => '298AE614-2622-4C17-B935-DAE07EE9289C',
			'GETID3_ASF_Simple_Index_Object'                 => '33000890-E5B1-11CF-89F4-00A0C90349CB',
			'GETID3_ASF_Degradable_JPEG_Media'               => '35907DE0-E415-11CF-A917-00805F5C442B',
			'GETID3_ASF_Payload_Extension_System_Timecode'   => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
			'GETID3_ASF_Binary_Media'                        => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
			'GETID3_ASF_Timecode_Index_Object'               => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
			'GETID3_ASF_Metadata_Library_Object'             => '44231C94-9498-49D1-A141-1D134E457054',
			'GETID3_ASF_Reserved_3'                          => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
			'GETID3_ASF_Reserved_4'                          => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
			'GETID3_ASF_Command_Media'                       => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
			'GETID3_ASF_Header_Extension_Object'             => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
			'GETID3_ASF_Media_Object_Index_Parameters_Obj'   => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
			'GETID3_ASF_Header_Object'                       => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
			'GETID3_ASF_Content_Description_Object'          => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
			'GETID3_ASF_Error_Correction_Object'             => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
			'GETID3_ASF_Data_Object'                         => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
			'GETID3_ASF_Web_Stream_Media_Subtype'            => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
			'GETID3_ASF_Stream_Bitrate_Properties_Object'    => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
			'GETID3_ASF_Language_List_Object'                => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
			'GETID3_ASF_Codec_List_Object'                   => '86D15240-311D-11D0-A3A4-00A0C90348F6',
			'GETID3_ASF_Reserved_2'                          => '86D15241-311D-11D0-A3A4-00A0C90348F6',
			'GETID3_ASF_File_Properties_Object'              => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
			'GETID3_ASF_File_Transfer_Media'                 => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
			'GETID3_ASF_Old_RTP_Extension_Data'              => '96800C63-4C94-11D1-837B-0080C7A37F95',
			'GETID3_ASF_Advanced_Mutual_Exclusion_Object'    => 'A08649CF-4775-4670-8A16-6E35357566CD',
			'GETID3_ASF_Bandwidth_Sharing_Object'            => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
			'GETID3_ASF_Reserved_1'                          => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
			'GETID3_ASF_Bandwidth_Sharing_Exclusive'         => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
			'GETID3_ASF_Bandwidth_Sharing_Partial'           => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
			'GETID3_ASF_JFIF_Media'                          => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
			'GETID3_ASF_Stream_Properties_Object'            => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
			'GETID3_ASF_Video_Media'                         => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
			'GETID3_ASF_Audio_Spread'                        => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
			'GETID3_ASF_Metadata_Object'                     => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
			'GETID3_ASF_Payload_Ext_Syst_Sample_Duration'    => 'C6BD9450-867F-4907-83A3-C77921B733AD',
			'GETID3_ASF_Group_Mutual_Exclusion_Object'       => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
			'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
			'GETID3_ASF_Stream_Prioritization_Object'        => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
			'GETID3_ASF_Payload_Ext_System_Content_Type'     => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
			'GETID3_ASF_Old_File_Properties_Object'          => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_ASF_Header_Object'               => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_ASF_Data_Object'                 => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Index_Object'                        => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Stream_Properties_Object'        => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Content_Description_Object'      => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Script_Command_Object'           => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Marker_Object'                   => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Component_Download_Object'       => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Stream_Group_Object'             => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Scalable_Object'                 => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Prioritization_Object'           => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Bitrate_Mutual_Exclusion_Object'     => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Inter_Media_Dependency_Object'   => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Rating_Object'                   => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Index_Parameters_Object'             => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Color_Table_Object'              => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Language_List_Object'            => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Audio_Media'                     => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Video_Media'                     => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Image_Media'                     => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Timecode_Media'                  => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Text_Media'                      => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_MIDI_Media'                      => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Command_Media'                   => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_No_Error_Concealment'            => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Scrambled_Audio'                 => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_No_Color_Table'                  => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_SMPTE_Time'                      => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_ASCII_Text'                      => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Unicode_Text'                    => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_HTML_Text'                       => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_URL_Command'                     => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Filename_Command'                => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_ACM_Codec'                       => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_VCM_Codec'                       => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_QuickTime_Codec'                 => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_DirectShow_Transform_Filter'     => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_DirectShow_Rendering_Filter'     => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_No_Enhancement'                  => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Unknown_Enhancement_Type'        => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Temporal_Enhancement'            => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Spatial_Enhancement'             => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Quality_Enhancement'             => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Number_of_Channels_Enhancement'  => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Frequency_Response_Enhancement'  => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Media_Object'                    => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Mutex_Language'                      => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Mutex_Bitrate'                       => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Mutex_Unknown'                       => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_ASF_Placeholder_Object'          => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Old_Data_Unit_Extension_Object'      => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
			'GETID3_ASF_Web_Stream_Format'                   => 'DA1E6B13-8359-4050-B398-388E965BF00C',
			'GETID3_ASF_Payload_Ext_System_File_Name'        => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
			'GETID3_ASF_Marker_Object'                       => 'F487CD01-A951-11CF-8EE6-00C00C205365',
			'GETID3_ASF_Timecode_Index_Parameters_Object'    => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
			'GETID3_ASF_Audio_Media'                         => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
			'GETID3_ASF_Media_Object_Index_Object'           => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
			'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
			'GETID3_ASF_Index_Placeholder_Object'            => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // https://metacpan.org/dist/Audio-WMA/source/WMA.pm
			'GETID3_ASF_Compatibility_Object'                => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // https://metacpan.org/dist/Audio-WMA/source/WMA.pm
			'GETID3_ASF_Media_Object_Index_Parameters_Object'=> '6B203BAD-3F11-48E4-ACA8-D7613DE2CFA7',
		);
		return $GUIDarray;
	}

	/**
	 * @param string $GUIDstring
	 *
	 * @return string|false
	 */
	public static function GUIDname($GUIDstring) {
		static $GUIDarray = array();
		if (empty($GUIDarray)) {
			$GUIDarray = self::KnownGUIDs();
		}
		return array_search($GUIDstring, $GUIDarray);
	}

	/**
	 * @param int $id
	 *
	 * @return string
	 */
	public static function ASFIndexObjectIndexTypeLookup($id) {
		static $ASFIndexObjectIndexTypeLookup = array();
		if (empty($ASFIndexObjectIndexTypeLookup)) {
			$ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
			$ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
			$ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
		}
		return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
	}

	/**
	 * @param string $GUIDstring
	 *
	 * @return string
	 */
	public static function GUIDtoBytestring($GUIDstring) {
		// Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
		// first 4 bytes are in little-endian order
		// next 2 bytes are appended in little-endian order
		// next 2 bytes are appended in little-endian order
		// next 2 bytes are appended in big-endian order
		// next 6 bytes are appended in big-endian order

		// AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
		// $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp

		$hexbytecharstring  = chr(hexdec(substr($GUIDstring,  6, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  4, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  2, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  0, 2)));

		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  9, 2)));

		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));

		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));

		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));

		return $hexbytecharstring;
	}

	/**
	 * @param string $Bytestring
	 *
	 * @return string
	 */
	public static function BytestringToGUID($Bytestring) {
		$GUIDstring  = str_pad(dechex(ord($Bytestring[3])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[2])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[1])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[0])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= '-';
		$GUIDstring .= str_pad(dechex(ord($Bytestring[5])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[4])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= '-';
		$GUIDstring .= str_pad(dechex(ord($Bytestring[7])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[6])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= '-';
		$GUIDstring .= str_pad(dechex(ord($Bytestring[8])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[9])),  2, '0', STR_PAD_LEFT);
		$GUIDstring .= '-';
		$GUIDstring .= str_pad(dechex(ord($Bytestring[10])), 2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[11])), 2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[12])), 2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[13])), 2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[14])), 2, '0', STR_PAD_LEFT);
		$GUIDstring .= str_pad(dechex(ord($Bytestring[15])), 2, '0', STR_PAD_LEFT);

		return strtoupper($GUIDstring);
	}

	/**
	 * @param int  $FILETIME
	 * @param bool $round
	 *
	 * @return float|int
	 */
	public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
		// FILETIME is a 64-bit unsigned integer representing
		// the number of 100-nanosecond intervals since January 1, 1601
		// UNIX timestamp is number of seconds since January 1, 1970
		// 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
		if ($round) {
			return intval(round(($FILETIME - 116444736000000000) / 10000000));
		}
		return ($FILETIME - 116444736000000000) / 10000000;
	}

	/**
	 * @param int $WMpictureType
	 *
	 * @return string
	 */
	public static function WMpictureTypeLookup($WMpictureType) {
		static $lookup = null;
		if ($lookup === null) {
			$lookup = array(
				0x03 => 'Front Cover',
				0x04 => 'Back Cover',
				0x00 => 'User Defined',
				0x05 => 'Leaflet Page',
				0x06 => 'Media Label',
				0x07 => 'Lead Artist',
				0x08 => 'Artist',
				0x09 => 'Conductor',
				0x0A => 'Band',
				0x0B => 'Composer',
				0x0C => 'Lyricist',
				0x0D => 'Recording Location',
				0x0E => 'During Recording',
				0x0F => 'During Performance',
				0x10 => 'Video Screen Capture',
				0x12 => 'Illustration',
				0x13 => 'Band Logotype',
				0x14 => 'Publisher Logotype'
			);
			$lookup = array_map(function($str) {
				return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
			}, $lookup);
		}

		return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
	}

	/**
	 * @param string $asf_header_extension_object_data
	 * @param int    $unhandled_sections
	 *
	 * @return array
	 */
	public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
		// https://web.archive.org/web/20140419205228/http://msdn.microsoft.com/en-us/library/bb643323.aspx

		$offset = 0;
		$objectOffset = 0;
		$HeaderExtensionObjectParsed = array();
		while ($objectOffset < strlen($asf_header_extension_object_data)) {
			$offset = $objectOffset;
			$thisObject = array();

			$thisObject['guid']                              =                              substr($asf_header_extension_object_data, $offset, 16);
			$offset += 16;
			$thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
			$thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);

			$thisObject['size']                              = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
			$offset += 8;
			if ($thisObject['size'] <= 0) {
				break;
			}

			switch ($thisObject['guid']) {
				case GETID3_ASF_Extended_Stream_Properties_Object:
					$thisObject['start_time']                        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
					$offset += 8;
					$thisObject['start_time_unix']                   = $this->FILETIMEtoUNIXtime($thisObject['start_time']);

					$thisObject['end_time']                          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
					$offset += 8;
					$thisObject['end_time_unix']                     = $this->FILETIMEtoUNIXtime($thisObject['end_time']);

					$thisObject['data_bitrate']                      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['buffer_size']                       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['initial_buffer_fullness']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['alternate_data_bitrate']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['alternate_buffer_size']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['maximum_object_size']               = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;

					$thisObject['flags_raw']                         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
					$offset += 4;
					$thisObject['flags']['reliable']                = (bool) $thisObject['flags_raw'] & 0x00000001;
					$thisObject['flags']['seekable']                = (bool) $thisObject['flags_raw'] & 0x00000002;
					$thisObject['flags']['no_cleanpoints']          = (bool) $thisObject['flags_raw'] & 0x00000004;
					$thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;

					$thisObject['stream_number']                     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					$thisObject['stream_language_id_index']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					$thisObject['average_time_per_frame']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
					$offset += 8;

					$thisObject['stream_name_count']                 = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					$thisObject['payload_extension_system_count']    = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
						$streamName = array();

						$streamName['language_id_index']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$streamName['stream_name_length']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$streamName['stream_name']                   =                              substr($asf_header_extension_object_data, $offset,  $streamName['stream_name_length']);
						$offset += $streamName['stream_name_length'];

						$thisObject['stream_names'][$i] = $streamName;
					}

					for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
						$payloadExtensionSystem = array();

						$payloadExtensionSystem['extension_system_id']   =                              substr($asf_header_extension_object_data, $offset, 16);
						$offset += 16;
						$payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);

						$payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;
						if ($payloadExtensionSystem['extension_system_size'] <= 0) {
							break 2;
						}

						$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
						$offset += 4;

						$payloadExtensionSystem['extension_system_info'] = substr($asf_header_extension_object_data, $offset,  $payloadExtensionSystem['extension_system_info_length']);
						$offset += $payloadExtensionSystem['extension_system_info_length'];

						$thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
					}

					break;

				case GETID3_ASF_Advanced_Mutual_Exclusion_Object:
					$thisObject['exclusion_type']       = substr($asf_header_extension_object_data, $offset, 16);
					$offset += 16;
					$thisObject['exclusion_type_text']  = $this->BytestringToGUID($thisObject['exclusion_type']);

					$thisObject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['stream_numbers_count']; $i++) {
						$thisObject['stream_numbers'][$i] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;
					}

					break;

				case GETID3_ASF_Stream_Prioritization_Object:
					$thisObject['priority_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['priority_records_count']; $i++) {
						$priorityRecord = array();

						$priorityRecord['stream_number'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$priorityRecord['flags_raw']     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;
						$priorityRecord['flags']['mandatory'] = (bool) $priorityRecord['flags_raw'] & 0x00000001;

						$thisObject['priority_records'][$i] = $priorityRecord;
					}

					break;

				case GETID3_ASF_Padding_Object:
					// padding, skip it
					break;

				case GETID3_ASF_Metadata_Object:
					$thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
						$descriptionRecord = array();

						$descriptionRecord['reserved_1']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2)); // must be zero
						$offset += 2;

						$descriptionRecord['stream_number']      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$descriptionRecord['name_length']        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$descriptionRecord['data_type']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;
						$descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);

						$descriptionRecord['data_length']        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
						$offset += 4;

						$descriptionRecord['name']               =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['name_length']);
						$offset += $descriptionRecord['name_length'];

						$descriptionRecord['data']               =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['data_length']);
						$offset += $descriptionRecord['data_length'];
						switch ($descriptionRecord['data_type']) {
							case 0x0000: // Unicode string
								break;

							case 0x0001: // BYTE array
								// do nothing
								break;

							case 0x0002: // BOOL
								$descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
								break;

							case 0x0003: // DWORD
							case 0x0004: // QWORD
							case 0x0005: // WORD
								$descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
								break;

							case 0x0006: // GUID
								$descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
								break;
						}

						$thisObject['description_record'][$i] = $descriptionRecord;
					}
					break;

				case GETID3_ASF_Language_List_Object:
					$thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
						$languageIDrecord = array();

						$languageIDrecord['language_id_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  1));
						$offset += 1;

						$languageIDrecord['language_id']                =                              substr($asf_header_extension_object_data, $offset,  $languageIDrecord['language_id_length']);
						$offset += $languageIDrecord['language_id_length'];

						$thisObject['language_id_record'][$i] = $languageIDrecord;
					}
					break;

				case GETID3_ASF_Metadata_Library_Object:
					$thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
						$descriptionRecord = array();

						$descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$descriptionRecord['stream_number']       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$descriptionRecord['name_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;

						$descriptionRecord['data_type']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
						$offset += 2;
						$descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);

						$descriptionRecord['data_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
						$offset += 4;

						$descriptionRecord['name']                =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['name_length']);
						$offset += $descriptionRecord['name_length'];

						$descriptionRecord['data']                =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['data_length']);
						$offset += $descriptionRecord['data_length'];

						if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
							$WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
							foreach ($WMpicture as $key => $value) {
								$descriptionRecord['data'] = $WMpicture;
							}
							unset($WMpicture);
						}

						$thisObject['description_record'][$i] = $descriptionRecord;
					}
					break;

				case GETID3_ASF_Index_Parameters_Object:
					$thisObject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
					$offset += 4;

					$thisObject['index_specifiers_count']    = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) {
						$indexSpecifier = array();

						$indexSpecifier['stream_number']   = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;

						$indexSpecifier['index_type']      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;
						$indexSpecifier['index_type_text'] = isset(static::$ASFIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']])
							? static::$ASFIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]
							: 'invalid'
						;

						$thisObject['index_specifiers'][$i] = $indexSpecifier;
					}

					break;

				case GETID3_ASF_Media_Object_Index_Parameters_Object:
					$thisObject['index_entry_count_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
					$offset += 4;

					$thisObject['index_specifiers_count']     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) {
						$indexSpecifier = array();

						$indexSpecifier['stream_number']   = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;

						$indexSpecifier['index_type']      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;
						$indexSpecifier['index_type_text'] = isset(static::$ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']])
							? static::$ASFMediaObjectIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]
							: 'invalid'
						;

						$thisObject['index_specifiers'][$i] = $indexSpecifier;
					}

					break;

				case GETID3_ASF_Timecode_Index_Parameters_Object:
					// 4.11	Timecode Index Parameters Object (mandatory only if TIMECODE index is present in file, 0 or 1)
					// Field name                     Field type   Size (bits)
					// Object ID                      GUID         128             // GUID for the Timecode Index Parameters Object - ASF_Timecode_Index_Parameters_Object
					// Object Size                    QWORD        64              // Specifies the size, in bytes, of the Timecode Index Parameters Object. Valid values are at least 34 bytes.
					// Index Entry Count Interval     DWORD        32              // This value is ignored for the Timecode Index Parameters Object.
					// Index Specifiers Count         WORD         16              // Specifies the number of entries in the Index Specifiers list. Valid values are 1 and greater.
					// Index Specifiers               array of:    varies          //
					// * Stream Number                WORD         16              // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
					// * Index Type                   WORD         16              // Specifies the type of index. Values are defined as follows (1 is not a valid value):
					                                                               // 2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire video frame or the first fragment of a video frame
					                                                               // 3 = Nearest Past Cleanpoint - indexes point to the closest data packet containing an entire video frame (or first fragment of a video frame) that is a key frame.
					                                                               // Nearest Past Media Object is the most common value

					$thisObject['index_entry_count_interval'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 4));
					$offset += 4;

					$thisObject['index_specifiers_count']     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
					$offset += 2;

					for ($i = 0; $i < $thisObject['index_specifiers_count']; $i++) {
						$indexSpecifier = array();

						$indexSpecifier['stream_number']   = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;

						$indexSpecifier['index_type']      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 2));
						$offset += 2;
						$indexSpecifier['index_type_text'] = isset(static::$ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']])
							? static::$ASFTimecodeIndexParametersObjectIndexSpecifiersIndexTypes[$indexSpecifier['index_type']]
							: 'invalid'
						;

						$thisObject['index_specifiers'][$i] = $indexSpecifier;
					}

					break;

				case GETID3_ASF_Compatibility_Object:
					$thisObject['profile'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
					$offset += 1;

					$thisObject['mode']    = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset, 1));
					$offset += 1;

					break;

				default:
					$unhandled_sections++;
					if ($this->GUIDname($thisObject['guid_text'])) {
						$this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8));
					} else {
						$this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
					}
					break;
			}
			$HeaderExtensionObjectParsed[] = $thisObject;

			$objectOffset += $thisObject['size'];
		}
		return $HeaderExtensionObjectParsed;
	}

	/**
	 * @param int $id
	 *
	 * @return string
	 */
	public static function metadataLibraryObjectDataTypeLookup($id) {
		static $lookup = array(
			0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
			0x0001 => 'BYTE array',     // The type of the data is implementation-specific
			0x0002 => 'BOOL',           // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
			0x0003 => 'DWORD',          // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
			0x0004 => 'QWORD',          // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
			0x0005 => 'WORD',           // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
			0x0006 => 'GUID',           // The data is 16 bytes long and should be interpreted as a 128-bit GUID
		);
		return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
	}

	/**
	 * @param string $data
	 *
	 * @return array
	 */
	public function ASF_WMpicture(&$data) {
		//typedef struct _WMPicture{
		//  LPWSTR  pwszMIMEType;
		//  BYTE  bPictureType;
		//  LPWSTR  pwszDescription;
		//  DWORD  dwDataLen;
		//  BYTE*  pbData;
		//} WM_PICTURE;

		$WMpicture = array();

		$offset = 0;
		$WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
		$offset += 1;
		$WMpicture['image_type']    = self::WMpictureTypeLookup($WMpicture['image_type_id']);
		$WMpicture['image_size']    = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
		$offset += 4;

		$WMpicture['image_mime'] = '';
		do {
			$next_byte_pair = substr($data, $offset, 2);
			$offset += 2;
			$WMpicture['image_mime'] .= $next_byte_pair;
		} while ($next_byte_pair !== "\x00\x00");

		$WMpicture['image_description'] = '';
		do {
			$next_byte_pair = substr($data, $offset, 2);
			$offset += 2;
			$WMpicture['image_description'] .= $next_byte_pair;
		} while ($next_byte_pair !== "\x00\x00");

		$WMpicture['dataoffset'] = $offset;
		$WMpicture['data'] = substr($data, $offset);

		$imageinfo = array();
		$WMpicture['image_mime'] = '';
		$imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
		unset($imageinfo);
		if (!empty($imagechunkcheck)) {
			$WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
		}
		if (!isset($this->getid3->info['asf']['comments']['picture'])) {
			$this->getid3->info['asf']['comments']['picture'] = array();
		}
		$this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);

		return $WMpicture;
	}

	/**
	 * Remove terminator 00 00 and convert UTF-16LE to Latin-1.
	 *
	 * @param string $string
	 *
	 * @return string
	 */
	public static function TrimConvert($string) {
		return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
	}

	/**
	 * Remove terminator 00 00.
	 *
	 * @param string $string
	 *
	 * @return string
	 */
	public static function TrimTerm($string) {
		// remove terminator, only if present (it should be, but...)
		if (substr($string, -2) === "\x00\x00") {
			$string = substr($string, 0, -2);
		}
		return $string;
	}

}
A Beginner's Facts Playing Casino Slots

A Beginner’s Facts Playing Casino Slots

How In Order To Play Slots Find Out The Rules Involving Slot Machines

In most modern devices, the number regarding lines that will pay off for” “a gamer depends on the particular number of credits (money or coin-in) wagered on a new particular spin. Those first machines will be paid out based about the mechanical features of the device. However, modern equipment not merely often employ video reels yet also make full use of random number generators instead of mechanical operation to determine champions.

The strategy of progressive jackpots dates back to be able to 1986 when the particular Megabucks machine seemed to be introduced, allowing earnings to accumulate until the player hit the jackpot. Today, many popular progressive slot machines are connected around multiple casinos, more increasing the jackpot feature potential. Classic slot machines, often referred to be able to as 3-reel slot machine games, provide quick plus satisfying action. These games are great for players who appreciate easy and fast-paced game play. With their standard design and mechanics, classic slots charm to both newbies and seasoned gamers. Typically, these slot machines feature one to three paylines, making them easy in order to understand and enjoy.

Slot Tip 4:  Always Enjoy Within Your Budget And Become Willing To Lower Your Guess Or Stop Playing If You Struck A Limit

Bets can be as minimal as 1c each spin, playing with your local on line casino or online is usually easier than at any time to access your bank roll. Modern slot” “equipment games trace to large and unique machines manufactured by an enthusiastic mechanic (and tinkerer) of typically the late 19th millennium, Charles Fey. The machine that Fey created was very simple but complex in concept, and also this machine was the Liberty Bell. Note that these online slot machine game strategies work finest with games that have the lowest volatility since you will need to adjust the dimensions of the gamble as you proceed. Scatter symbols are usually special icons of which can fork out irregardless of their place on the reels, often triggering reward features mostbet.

  • It’s quick to customize amount of credits you’d like to participate in too.
  • Because of the long odds, seeking to win a huge jackpot is most likely unrealistic.
  • You’ll learn what to be able to expect and exactly how to adjust your current playing style to be able to the features of a particular slot device game.
  • For example, the Blood Suckers slot with the RTP of 98% returns to all players $98 of $100 expended inside; $2 is usually the house edge.
  • Therefore, carry out not rush to immediately place actual bets, but initial, get accustomed to the position controls.

Now, your house edge will vary with respect to the” “video game that players opt to play, and typically the total bet amount which is placed. Developers are continually striving to innovate and even create new ways for players to be able to win in a great attempt to retain player interest. One of those innovations seemed to be respins or cascading down symbols – which in turn are certain emblems which cause reels to respin to produce bigger wins or multipliers with outrageous symbols potentially. With all the success and recognition, there is usually one thing which includes always been some sort of given for position machines. In essence, they have been income generators regarding casinos for several years in spite of featuring large plus relatively frequent affiliate payouts. Once you’ve set your desired bet, press the “Spin” button or draw the lever (if available) to trigger the spin.

Beginners Guide: How To Play Slots Regarding Dummies

Keeping with the straightforward nature of playing slots at on the web casinos, if gamers have trouble, these types of websites offer consumer service. The special offers that online casinos offer purely relate with in-game aspects such as bonus money in addition to free spins for slots. The appeal of slot machines is the possiblity to hit big which has a jackpot payday. Over the years, developers have continued to find ways to boost the jackpots regarding players without stopping too much of the edge for your casino.

The most realistic strategy when betting on slot machines is bankroll management; its essence is usually rather simple. Each player can devote a certain amount on bets, in addition to spending it within one evening is a bad concept; a wise option is to split your bankroll volume into several parts. For example, following making a deposit, you can divide it into components simultaneously and use only one piece per day for making bets mostbet app.

Slot Tournaments

Today almost all progressives are linked electronically to other machines, with all credit played in the particular linked machines adding to a typical jackpot. Woe will be the person who hits three jackpot symbols about a buy-a-pay together with only one gold coin played — typically the player gets practically nothing back. On some sort of multiplier, payoffs are proportionate for each coin played — apart from, usually, for that leading jackpot.

  • Their slots selection includes progressive jackpot feature games, as well as a massive selection of all traditional slots you’d count on to find.
  • This is because slot games can be highly addicting and can prospect a player to chase their losses.
  • Nowadays, known because a philanthropist, Bill Redd (also referred to as Si) was among the Bally group’s designers in the 1971s.
  • With all the achievement and popularity, there will be one thing that has always been a new given for slot machine machines.

The wide collection of slot games, like exclusive titles, guarantees a varied plus exciting gaming knowledge. Here are many of the most effective online casinos for slot machine machines and precisely what causes them to be stand out there. A Night Using Cleo transports gamers to the planet of Ancient Egypt, complete with icons such as scarab beetles and the Eye of Horus. This game holds out for its unique bonus models, which add a great extra layer associated with excitement to the gameplay. Players can easily also make use of the chance feature, that allows all of them to attempt in order to double their winnings after any effective spin.

How To Play Slot Machines On-line: Step By Phase Instructions For Beginners

Among other things, site visitors will discover a day-to-day dose of content articles with the newest poker news, reside reporting from tournaments, exclusive videos, podcasts, reviews and bonus deals and so much more. With these kinds of eligibility factors and even any others you might find, your best choice is always in order to game details or even information before a person commit to enjoying. Sean Chaffin can be a longtime freelance article writer, editor, and former high school writing teacher. If you ever feel it’s learning to be a problem, urgently speak to a helpline in your country for immediate” “assistance. From in-depth testimonials and helpful guidelines to the latest reports, we’re here to be able to help you find a very good platforms and create informed decisions every step of the particular way.

They had been featuring three” “re-writing reels operated by way of a handle and a new single slot to be able to place a coin into. This equipment had only one shell out line, with each and every reel featuring several symbols – many you would acknowledge today – spades, hearts, diamonds, a new horseshoe, and the bell. This method requires players to be able to be more involved with every earn, so having some sort of calculator close by is recommended. Instead of changing the particular size of the particular bet based in won or lost rounds, the method has a set bet determined being a percentage of typically the available balance. Using 5% can become convenient, but all of us prefer staying secure and only wagering 3%. Slot machines top the record with regards to the almost all attractive casino game titles for gamblers, the two online and in land-based casinos.

Top Payment Procedures Available On Stake Casino

This feature means that you can spin a slot machine game game without seeking to connect to the particular game, but you is going to take care to be able to ensure you’re not really spending too much per spin. Wilds usually are special symbols that can replace other symbols on paylines to generate benefits. They are typically the most crucial symbols in the particular game and may also sometimes induce bonus features.

  • Additionally, players could unlock bonus capabilities through scatter signs” “that trigger special features.
  • If a person start thinking, “Well, they’re only credit, ” or even, “They’re already paid out for, ” it’s harder to persuade yourself to guard your bankroll.
  • At the core involving every authentic internet gambling platform is gaming software.
  • Players may also withdraw their funds by hitting “Cash Out and about. ” An individual can will certainly then receive a paper voucher together with the balance amount that can become used in another machine.

The user interface is definitely crafted to mirror the appearance and even ambiance of the conventional gambling establishment, featuring intuitive selections and controls. Volatility measures the frequency as well as the size regarding the wins that will the slots spend. For example, in case you prefer big is the winner less often, then you will want to perform an increased volatility slot; in case you prefer a low volatility slot then an individual will get smaller sized, more frequent is the winner. Commonly, this symbol is very totally different from the other symbols, therefore it is easy to distinguish besides making it simpler to understand the gameplay. Depending how many you obtain, could be dependent about the reward an individual are given; but like always, this may also vary per game.

Are There Different Types Of Slot Machines?

That about wraps upward our How in order to Play Slot Devices for Beginners guidebook. If you’ve appreciated it and are ready to try many free slots with regard to yourself, check out our slot reviews web page now. After a new few spins about those, you’ll grasp all of the particular concepts you’ve figured out about here. Paylines often confuse starter slots players the most, and no Exactly how to Play Slot machine Machines for Beginners guide would be full without explaining all of them further. Each symbol has a different worth and exactly how much you win for making combinations will be identified by the value of the symbols.

  • Don’t forget to be able to carefully experience almost all of the great print, because a few terms & situations can limit claiming, usage or cashing out of bonuses.
  • First, you should note that you can always find out exactly what bonus rounds and even special features the game has by viewing the paytable.
  • The goal with this specific strategy for earning at slots is usually to win back our losses.
  • Slot machines have are available a long approach since being simple machines and actually their role since store vending equipment.
  • Once you’ve established your desired gamble, press the “Spin” button or draw the lever (if available) to initiate the spin.

He’s written several books, generally on the topics of card counting and the different blackjack systems they employed over the particular years. He in addition runs a effective YouTube channel wherever he showcases various blackjack scenarios with beginner tips about how to overcome the dealer. Bets can be since little as 1c compared to typically the common minimum levels of $5 in order to $10 that stand and card games require.” “[newline]Please note that Slotsspot. com doesn’t work any gambling companies.

How To Play Slot Machines Inside A Casino

Bonus rounds can befuddle some new participants, so we believed we’d describe all of them here so that this specific How to Play Slot Machines intended for Beginners piece will be complete. When the cheats inserted particular numbers of coins in a certain order, the device would fork out. In jurisdictions with licensed casinos, the law takes a very dim view of cheating the video poker machines. Cheating licensed casinos is a criminal offence and will carry stiff prison terms. A zero-bonus balances the particular possibility of greater wins than you see in pick’em bonuses.

  • Over in britain, they include a couple of names for all of them, fruit machines in England and puggy in Scotland.
  • They are created to offer the chance-based, easy-to-play video gaming experience where gamers” “can go back home with potentially big wins using a simple rewrite.
  • However, you may stick to certain rules when playing particular titles; by using them, you could decrease risks and boost your winning possibilities.
  • The bonus round is usually activated by way of a minimum of three scatter symbols – but this can easily vary slot in order to slot.
  • Just such as the relaxed nature of how to play slot machines, players from all over have similar carefree love towards online game.

A gamer has numerous game titles available, something intended for every taste plus interest. However, whilst we can’t inform you how in order to play slot devices and win every time, we can show a couple of slot machine techniques that will assist you win more often. This is knowledge we’ve gained above decades, so bring it in and create sure you realize that before choosing which usually game to enjoy. Some slot machines in the 1960s and ‘70s had been vulnerable to ordinary magnets. Cheaters could make use of the magnets in order to make the fishing reels float freely alternatively of stopping about a spin.

How To Play Position Machines: A Step By Step Guide

Usually, classic, fruits, 3D, and progressive jackpot slot equipment are available with all online internet casinos. Old-fashioned slot equipment have only one horizontal payline, along which in turn three winning emblems (usually fruit icons or 7s) have to line upwards for you to be paid out. The vast bulk of today’s position machines, however, are multi-payline, with a few featuring up to 100 paylines or more.

  • So, let’s say that we all start with $100, which usually means our 1st bet is 3%.
  • It works generally the same manner regarding all slot devices, although there may become some variations based on the application developer.
  • These are the added features that assist to boost your payout in the particular game.
  • There is enough diversity and choice available amongst the slot machine game games industry.
  • “Each game comes with a unique combo of features like bonus rounds, thrilling varied animation alternatives, modern machines, multiplier machines, wild icons, and more.

The risk is that a new dry run can lead to a large bet that may be difficult in order to sustain. Some slot machine games feature progressive jackpots, where a small portion of each and every bet contributes to be able to a growing goldmine that can always be won by getting a specific combo or at unique. Find out about slot machines, how that they work and how to play slots for actual money with our own full guide.

How Developers Found Ways To Increase Jackpots

The worst factor you can apply at slot machines is always to chase loss by increasing the bet level. The chances are good that you may lose a lot more cash, and probably crazily run through the bankroll. When selecting an ideal bet level for your slot play, your decision is usually a trade-off among risk and payment.

  • The machine became known as the Liberty Bell and Fey spawned an evergrowing industry.
  • There are video games in penny, 2-cent, nickel, 10-cent, 1 fourth, dollar and also $100 denominations, and several machines allow players in order to choose which denomination they want to be able to use.
  • Nearly everyone is guilty associated with not reading Apple or Google words of service, but you shouldn’t are available to a casino with that same mindset.
  • The slot machine machine landscape has always been dependent upon the improvements and innovations involving software companies.
  • These slots are normally great for players who just want to have many fun create typically the most of their particular play.

It’s important to read the cup or help menus and learn precisely what type of device it is. The three major forms of reel-spinning slot machines are the multiplier, the buy-a-pay along with the progressive. Modern movie slots, of program, don’t have real coins but instead use virtual bridal party. To period pay-out odds, simply cash out your own slot credits straight into a real money balance. If you’re gunning for the big bucks, on the other hand, you would end up being wise to stick to high volatility slots.

Slot Hint 10:  Take Benefit Of Bonuses And Even Promotions

In typically the rest, the recognition of attempting to be able to win at slot machines is surging to the point slot machine game play is rivaling table play. On those machines, the particular big payoffs have been $50 or $100 — not like typically the big numbers slot machine game players expect today. On systems of which electronically link equipment in several casinos, progressive jackpots reach huge amount of money. It’s quick — just drop coins into typically the slot and push the button or even pull the handle. Newcomers will find the particular personal interaction along with dealers or additional players at the particular tables intimidating — slot players prevent that. And besides, the greatest, most lifestyle-changing jackpots in typically the casino are available upon the slots.

The game software giant incorporated a 4-tier progressive goldmine with levels called mega, major, slight, and mini. In order to be eligible for the tiny jackpot – the lowest of the bunch, you must bet at least 1 cent on all twenty-five paylines (a minimal total of $0. 25). When this comes to video slots, these generally include multi-tier accelerating jackpots. Every video clip slot usually provides between 2 plus 12 progressive goldmine levels, and every level provides a established max bet an individual have to help to make in order to be able to be eligible.

What Occurs When You” “Get On A Slot Machine?

Each slot machine features a pay stand that shows just what symbols have to line up for a pay out of varying sums. These are organized with the greatest payouts, known because the jackpot, on top of the tables and subsequent payouts below those. A desk also includes an amount paid relying on the amount of credits a new player puts in the machine. A random number generator, or perhaps RNG, is a computer technology that is definitely used to determine payouts and jackpots. An RNG makes a sequence associated with simulated random amounts to determine exactly where those reels may land, and therefore which payouts” “are distributed to participants. Modern slot equipment have become high-tech machines with advanced online video, sound, graphics, in addition to gameplay.

  • So, you should recognize that playing slot machine machines are extremely basic – which is part of the reason players love these games.
  • Ordinarily, a traditional 3-reel slot will be an ideal opt for for the player who else likes a pared-down game with not any frills and everything perform.
  • For example, if you owned four matching emblems on reels one, two, four, in addition to five, and some sort of wild landed throughout the middle, you’d have a 5 symbol combination.
  • Usually, classic, fruit, 3D, and progressive jackpot slot machines are available from all online casinos.
  • You can typically do this inside the ‘account’ or ‘banking’ section of your own casino.

The scam artists would likely remove the magnetic only when the fishing reels had aligned throughout a winning combo. My top slot machine game machine strategy ideas – you’ll learned about below – consist of 12 do’s and even 6 don’ts that may assist you in answering the top ‘how to succeed at slot machines? Changing the developed payback percentage demands opening the device and replacing a computer chip. Server-based slot machines that will allow casinos in order to change payout proportions remotely, but there are still polices around making these kinds of changes. It’s certainly not unusual to proceed 20 or fifty or more draws without a one payout on a reel-spinning slot, although payouts tend to be more repeated on video video poker machines. Nor would it be unusual for a device to pay again 150 percent or more for many dozen pulls.

What Is Responsible Game Playing And What Makes It Essential?

Given that they are games of chance, playing slots has more to perform with luck as compared to strategy. Even so, there are several strategies you can employ to select some sort of slot machine that may likely pay. As you might have got heard before, a person can’t win large payouts at a intensifying slot if you don’t max the wager. A small section of your bet on a modern slot machine game goes straight into a jackpot or perhaps set of jackpots. The more participants wager on typically the progressive lot the bigger its jackpot gets.

  • Not all machines are made the similar way and programmed with the same RTP or payment percentage.
  • To place a bet on the slot machine, simply insert the coins or currency, select your bet size, and take the lever or perhaps press the rotate button.
  • Alternatively, you can start building up a bankroll by keeping aside small amounts through your savings and after that begin gambling after getting saved enough money for a certain variety of slot machines.
  • Let’s consider a closer look at the sorts of bonus icons you’re more likely to find in a regular online” “slot.

Other accelerating slots are connected within a casino, although some are interconnected across all internet casinos featuring that certain game. For a new genuine casino experience from the coziness of your abode, live dealer games certainly are a must consider. These games, including live blackjack, different roulette games, and baccarat, feature real human retailers who interact along with players via reside video streams. Players can participate in current gameplay, detailed with interpersonal interaction, creating a great immersive and genuine casino atmosphere. They” “come in various themes and give a stimulating blend of gameplay, visuals, plus the possibility for significant winnings. Demo methods are available regarding players to train and even familiarize themselves along with the game with out risking real cash.

Starting In Order To Play Slots

Yes, due to the fact demo versions permit you to test slots, check their particular characteristics, and do not risk your own funds. While wagering, it is essential to control yourself, while emotions often usually tend to get free from control. It is incredibly common when you strike a large reward and lose manage, forgetting about caution as well as the strategy you adhere to. Aside coming from these run-of-the-mill strategies, participate in slot machine tournaments whenever feasible.

  • Understanding design and even mechanics in the sport is essential ahead of spinning the fishing reels.
  • Don’t hesitate in order to ask tough queries; other gamblers are usually willing to out a poor apple.
  • The scam artists would remove the magnet only if the reels had aligned within a winning mixture.
  • Video slots are acknowledged for their advanced graphics and several paylines, which will enhance the chances regarding winning.
  • The paytable also shows the value of every symbol, indicating the amount you win intended for matching different icons on a payline.

When playing video poker machines online, you could decrease or raise your stake by simply clicking on typically the BET/STAKE button. For example, classic on the internet slots based about traditional slot equipment have 3 reels. Three-reel slot games put more importance on their leading jackpots but have got a lesser hit regularity with additional losing spins. If you’re pondering how to win at slots, three-reel position games do offer slot players typically the best possiblity to get big, but additionally the particular best chance in order to lose fast. Every good online gambling establishment will have an array of games to attempt at no cost or true money.

How To Experience Video Poker Machines: The Pokernews Guide

The microprocessors driving today’s machines are set with random-number generation devices that govern winning combinations. Many position players pump money into two or more adjacent devices at a time, although if the casino will be crowded and others are having problems finding places to play, limit yourself to one machine. Select your bets and paylines, and get a theme and bonus feature of which interests you. Online slot software will be governed by the Arbitrary Number Generator, or perhaps RNG. As quickly as you struck the ‘Spin’ key, an algorithm can determine where and if the reels can stop. The process is completely unique, and slot designers have their games examined before they hit the casino industry, along with periodically audited with time.

  • This network impact results in massive jackpots, some of which can become truly life-changing.
  • While learning how in order to play casino slot machine games, there are particular factors that you have to always keep in mind when choosing the proper slot machine game game.
  • Added for the paylines and payout structures, deciphering the bet measurements is likewise crucial, as it can have an effect on both the possible winnings and the particular overall game.
  • You may well also get a feeling whether it’s achievable to win in slot games and even if so how to win in slots.

Now, a new payout and goldmine is determined as quickly as the player hits the switch to spin the particular reels. If you’re purely after massive jackpots, you ought to consider playing the subsequent games. These top rated progressive jackpot slots have paid out many of the greatest online slot jackpots of all time.

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