public function onTranscodeStart(TranscodeEvent $e)
    {
        $inpath = $e->getInputPath();
        $presetKey = $e->getPreset();

        $formatter = $this->getFormatter();
        $msg = sprintf(
            "Starting transcode of file %s with preset %s ...",
            $formatter->formatBlock($inpath, 'info'),
            $formatter->formatBlock($presetKey, 'info')
        );

        $this->getOutput()->writeln($msg);
        $this->startTime = microtime(true);
    }