wp-includes/ID3/getid3.php:2061bool public function ProcessAudioStreams() { if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) { if (!isset($this->info['audio']['streams'])) { foreach ($this->info['audio'] as $key => $value) { if ($key != 'streams') { $this->info['audio']['streams'][0][$key] = $value; } } } } return true; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/getid3.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.