wp-includes/ID3/getid3.lib.php:666$rawdatastringfloat public static function FixedPoint2_30($rawdata) { $binarystring = self::BigEndian2Bin($rawdata); return self::Bin2Dec(substr($binarystring, 0, 2)) + (float) (self::Bin2Dec(substr($binarystring, 2, 30)) / pow(2, 30)); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/getid3.lib.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.