if ( await flutterSoundHelper.isFFmpegAvailable() )
        {
                Duration d = flutterSoundHelper.duration("$myFilePath/bar.wav");
        }

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        String inputFile = '$myInputPath/bar.pcm';
        var tempDir = await getTemporaryDirectory();
        String outpufFile = '${tempDir.path}/$foo.wav';
        await flutterSoundHelper.pcmToWave(inputFile: inputFile, outpoutFile: outputFile, numChannels: 1, sampleRate: 8000);

        int result = await getLastFFmpegReturnCode();

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        print( await getLastFFmpegCommandOutput() );

        Uint8List pcmBuffer flutterSoundHelper.waveToPCMBuffer(inputBuffer: aWaveBuffer);

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        Map info = await flutterSoundHelper.FFmpegGetMediaInformation( uri );

        Duration d = flutterSoundHelper.duration("$myFilePath/bar.wav");

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int rc = await flutterSoundHelper.executeFFmpegWithArguments
 ([
        '-loglevel',
        'error',
        '-y',
        '-i',
        infile,
        '-c:a',
        'copy',
        outfile,
]); // remux OGG to CAF

        String inputFile = '$myInputPath/bar.pcm';
        var tempDir = await getTemporaryDirectory();
        String outpufFile = '${tempDir.path}/$foo.wav';
        await flutterSoundHelper.waveToPCM(inputFile: inputFile, outpoutFile: outputFile);

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        print( await getLastFFmpegCommandOutput() );

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        Uint8List myWavBuffer = await flutterSoundHelper.pcmToWaveBuffer(inputBuffer: myPCMBuffer, numChannels: 1, sampleRate: 8000);

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        String inputFile = '$myInputPath/bar.wav';
        var tempDir = await getTemporaryDirectory();
        String outpufFile = '${tempDir.path}/$foo.mp3';
        await flutterSoundHelper.convertFile(inputFile, codec.pcm16WAV, outputFile, Codec.mp3)

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