getid3_quicktime::QuicktimeParseContainerAtom( string $atom_data, int $baseoffset, array $atomHierarchy, bool $ParseAllPossibleAtoms ): array|false

2273	public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {2274		$atom_structure = array();2275		$subatomoffset  = 0;2276		$subatomcounter = 0;2277		if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {2278			return false;2279		}2280		while ($subatomoffset < strlen($atom_data)) {2281			$subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4));2282			$subatomname =                           substr($atom_data, $subatomoffset + 4, 4);2283			$subatomdata =                           substr($atom_data, $subatomoffset + 8, $subatomsize - 8);2284			if ($subatomsize == 0) {2285				// Furthermore, for historical reasons the list of atoms is optionally2286				// terminated by a 32-bit integer set to 0. If you are writing a program2287				// to read user data atoms, you should allow for the terminating 0.2288				if (strlen($atom_data) > 12) {2289					$subatomoffset += 4;2290					continue;2291				}2292				break;2293			}2294			if (strlen($subatomdata) < ($subatomsize - 8)) {2295			    // we don't have enough data to decode the subatom.2296			    // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large2297			    // so we passed in the start of a following atom incorrectly?2298			    break;2299			}2300			$atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);2301			$subatomoffset += $subatomsize;2302		}2303 2304		if (empty($atom_structure)) {2305			return false;2306		}2307 2308		return $atom_structure;2309	}