/**
* Constructor
*
* @author Tommy Lacroix <*****@*****.**>
* @param int $totalSize
* @param int $boxType
* @param file|string $data
* @param MP4Info_Box $parent
* @return MP4Info_Box_Container
* @access public
* @throws MP4Info_Exception
*/
public function __construct($totalSize, $boxType, $data, $parent)
{
if (!self::isCompatible($boxType, $parent)) {
throw new MP4Info_Exception('This box isn\'t a container', MP4Info_Exception::CODE_INCOMPATIBLE, $boxType);
}
// Call ancestor
parent::__construct($totalSize, $boxType, false, $parent);
// Unpack
if (is_string($data)) {
while ($data != '') {
try {
$box = MP4Info_Box::fromString($data, $this);
if (!$box instanceof MP4Info_Box) {
break;
}
} catch (Exception $e) {
break;
}
}
} else {
do {
try {
$box = MP4Info_Box::fromStream($data, $this);
if (!$box instanceof MP4Info_Box) {
break;
}
} catch (Exception $e) {
break;
}
} while ($box !== false);
}
}
/**
* Get information from MP4 file
*
* @author Tommy Lacroix <*****@*****.**>
* @param string $file
* @return array
* @access public
* @static
*/
public static function getInfo($file)
{
// Open file
$f = fopen($file, 'rb');
if (!$f) {
throw new Exception('Cannot open file: ' . $file);
}
// Get all boxes
try {
while ($box = MP4Info_Box::fromStream($f)) {
$boxes[] = $box;
}
} catch (Exception $e) {
}
// Close
fclose($f);
// Return info
return self::getInfoFromBoxes($boxes);
}
