Captioning\Cue::scale PHP Method

    public function scale($_baseTime, $_factor = 1)
    {
        if ($_factor == 1) {
            return false;
        }
        $new_start = $_baseTime + ($this->getStartMS() - $_baseTime) * $_factor;
        $new_stop = $_baseTime + ($this->getStopMS() - $_baseTime) * $_factor;
        $this->setStartMS($new_start);
        $this->setStopMS($new_stop);
        return true;
    }