getid3_id3v2::ParseID3v2Frame( array $parsedFrame ): bool

569	public function ParseID3v2Frame(&$parsedFrame) {570 571		// shortcuts572		$info = &$this->getid3->info;573		$id3v2_majorversion = $info['id3v2']['majorversion'];574 575		$parsedFrame['framenamelong']  = $this->FrameNameLongLookup($parsedFrame['frame_name']);576		if (empty($parsedFrame['framenamelong'])) {577			unset($parsedFrame['framenamelong']);578		}579		$parsedFrame['framenameshort'] = $this->FrameNameShortLookup($parsedFrame['frame_name']);580		if (empty($parsedFrame['framenameshort'])) {581			unset($parsedFrame['framenameshort']);582		}583 584		if ($id3v2_majorversion >= 3) { // frame flags are not part of the ID3v2.2 standard585			if ($id3v2_majorversion == 3) {586				//    Frame Header Flags587				//    %abc00000 %ijk00000588				$parsedFrame['flags']['TagAlterPreservation']  = (bool) ($parsedFrame['frame_flags_raw'] & 0x8000); // a - Tag alter preservation589				$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // b - File alter preservation590				$parsedFrame['flags']['ReadOnly']              = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // c - Read only591				$parsedFrame['flags']['compression']           = (bool) ($parsedFrame['frame_flags_raw'] & 0x0080); // i - Compression592				$parsedFrame['flags']['Encryption']            = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040); // j - Encryption593				$parsedFrame['flags']['GroupingIdentity']      = (bool) ($parsedFrame['frame_flags_raw'] & 0x0020); // k - Grouping identity594 595			} elseif ($id3v2_majorversion == 4) {596				//    Frame Header Flags597				//    %0abc0000 %0h00kmnp598				$parsedFrame['flags']['TagAlterPreservation']  = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // a - Tag alter preservation599				$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // b - File alter preservation600				$parsedFrame['flags']['ReadOnly']              = (bool) ($parsedFrame['frame_flags_raw'] & 0x1000); // c - Read only601				$parsedFrame['flags']['GroupingIdentity']      = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040); // h - Grouping identity602				$parsedFrame['flags']['compression']           = (bool) ($parsedFrame['frame_flags_raw'] & 0x0008); // k - Compression603				$parsedFrame['flags']['Encryption']            = (bool) ($parsedFrame['frame_flags_raw'] & 0x0004); // m - Encryption604				$parsedFrame['flags']['Unsynchronisation']     = (bool) ($parsedFrame['frame_flags_raw'] & 0x0002); // n - Unsynchronisation605				$parsedFrame['flags']['DataLengthIndicator']   = (bool) ($parsedFrame['frame_flags_raw'] & 0x0001); // p - Data length indicator606 607				// Frame-level de-unsynchronisation - ID3v2.4608				if ($parsedFrame['flags']['Unsynchronisation']) {609					$parsedFrame['data'] = $this->DeUnsynchronise($parsedFrame['data']);610				}611 612				if ($parsedFrame['flags']['DataLengthIndicator']) {613					$parsedFrame['data_length_indicator'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4), 1);614					$parsedFrame['data']                  =                           substr($parsedFrame['data'], 4);615				}616			}617 618			//    Frame-level de-compression619			if ($parsedFrame['flags']['compression']) {620				$parsedFrame['decompressed_size'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4));621				if (!function_exists('gzuncompress')) {622					$this->warning('gzuncompress() support required to decompress ID3v2 frame "'.$parsedFrame['frame_name'].'"');623				} else {624					if ($decompresseddata = @gzuncompress(substr($parsedFrame['data'], 4))) {625					//if ($decompresseddata = @gzuncompress($parsedFrame['data'])) {626						$parsedFrame['data'] = $decompresseddata;627						unset($decompresseddata);628					} else {629						$this->warning('gzuncompress() failed on compressed contents of ID3v2 frame "'.$parsedFrame['frame_name'].'"');630					}631				}632			}633		}634 635		if (!empty($parsedFrame['flags']['DataLengthIndicator'])) {636			if ($parsedFrame['data_length_indicator'] != strlen($parsedFrame['data'])) {637				$this->warning('ID3v2 frame "'.$parsedFrame['frame_name'].'" should be '.$parsedFrame['data_length_indicator'].' bytes long according to DataLengthIndicator, but found '.strlen($parsedFrame['data']).' bytes of data');638			}639		}640 641		if (isset($parsedFrame['datalength']) && ($parsedFrame['datalength'] == 0)) {642 643			$warning = 'Frame "'.$parsedFrame['frame_name'].'" at offset '.$parsedFrame['dataoffset'].' has no data portion';644			switch ($parsedFrame['frame_name']) {645				case 'WCOM':646					$warning .= ' (this is known to happen with files tagged by RioPort)';647					break;648