getid3_asf::HeaderExtensionObjectDataParse( string $asf_header_extension_object_data, int $unhandled_sections ): array

1780	public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {1781		// https://web.archive.org/web/20140419205228/http://msdn.microsoft.com/en-us/library/bb643323.aspx1782 1783		$offset = 0;1784		$objectOffset = 0;1785		$HeaderExtensionObjectParsed = array();1786		while ($objectOffset < strlen($asf_header_extension_object_data)) {1787			$offset = $objectOffset;1788			$thisObject = array();1789 1790			$thisObject['guid']                              =                              substr($asf_header_extension_object_data, $offset, 16);1791			$offset += 16;1792			$thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);1793			$thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);1794 1795			$thisObject['size']                              = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));1796			$offset += 8;1797			if ($thisObject['size'] <= 0) {1798				break;1799			}1800 1801			switch ($thisObject['guid']) {1802				case GETID3_ASF_Extended_Stream_Properties_Object:1803					$thisObject['start_time']                        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));1804					$offset += 8;1805					$thisObject['start_time_unix']                   = $this->FILETIMEtoUNIXtime($thisObject['start_time']);1806 1807					$thisObject['end_time']                          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));1808					$offset += 8;1809					$thisObject['end_time_unix']                     = $this->FILETIMEtoUNIXtime($thisObject['end_time']);1810 1811					$thisObject['data_bitrate']                      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1812					$offset += 4;1813 1814					$thisObject['buffer_size']                       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1815					$offset += 4;1816 1817					$thisObject['initial_buffer_fullness']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1818					$offset += 4;1819 1820					$thisObject['alternate_data_bitrate']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1821					$offset += 4;1822 1823					$thisObject['alternate_buffer_size']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1824					$offset += 4;1825 1826					$thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1827					$offset += 4;1828 1829					$thisObject['maximum_object_size']               = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1830					$offset += 4;1831 1832					$thisObject['flags_raw']                         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));1833					$offset += 4;1834					$thisObject['flags']['reliable']                = (bool) $thisObject['flags_raw'] & 0x00000001;1835					$thisObject['flags']['seekable']                = (bool) $thisObject['flags_raw'] & 0x00000002;1836					$thisObject['flags']['no_cleanpoints']          = (bool) $thisObject['flags_raw'] & 0x00000004;1837					$thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;1838 1839					$thisObject['stream_number']                     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));1840					$offset += 2;1841 1842					$thisObject['stream_language_id_index']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));1843					$offset += 2;1844 1845					$thisObject['average_time_per_frame']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));1846					$offset += 8;1847 1848					$thisObject['stream_name_count']                 = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));1849					$offset += 2;1850 1851					$thisObject['payload_extension_system_count']    = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));1852					$offset += 2;1853 1854					for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {1855						$streamName = array();1856 1857						$streamName['language_id_index']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));1858						$offset += 2;1859