public Microphone(MMDevice mmd)
{
// Here you decide what you want to use as the waveIn.
// There are many options in NAudio and you can use other streams/files.
// Note that the code varies for each different source.
waveIn = new WasapiCapture(mmd);
waveIn.DataAvailable += OnDataAvailable;
sampleAggregator.FftCalculated += (s, a) => FftCalculated?.Invoke(this, a);
sampleAggregator.PerformFFT = true;
}
private void OpenFile(string fileName)
{
try
{
var inputStream = new AudioFileReader(fileName);
fileStream = inputStream;
var aggregator = new SampleAggregator(inputStream);
aggregator.NotificationCount = inputStream.WaveFormat.SampleRate / 100;
aggregator.PerformFFT = true;
aggregator.FftCalculated += (s, a) => FftCalculated?.Invoke(this, a);
aggregator.MaximumCalculated += (s, a) => MaximumCalculated?.Invoke(this, a);
playbackDevice.Init(aggregator);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Problem opening file");
CloseFile();
}
}
public AudioEngine(string fileName)
{
try
{
var inputStream = new AudioFileReader(fileName);
fileStream = inputStream;
var aggregator = new SampleAggregator(inputStream)
{
NotificationCount = inputStream.WaveFormat.SampleRate / 100,
PerformFFT = true
};
aggregator.FftCalculated += (s, a) => FftCalculated?.Invoke(this, a);
aggregator.MaximumCalculated += (s, a) => MaximumCalculated?.Invoke(this, a);
}
catch (Exception e)
{
Console.WriteLine(e.Message, "Problem opening file");
CloseFile();
}
}
public SoundProcessor(string fileName)
{
try
{
var inputStream = new AudioFileReader(fileName);
_fileStream = inputStream;
_fftSampleProvider = new FftSampleProvider(inputStream);
_fftSampleProvider.FftCalculated += (result) => FftCalculated?.Invoke(result);
_playbackDevice = new WaveOut {
DesiredLatency = 200
};
_playbackDevice.Init(_fftSampleProvider);
}
catch (Exception ex)
{
CloseFile();
throw ex;
}
}
private void OpenFile(string fileName)
{
try
{
var inputStream = new MediaFoundationReader(fileName);
fileStream = inputStream;
SampleAggregator = new SampleAggregator(fileStream.ToSampleProvider());
SampleAggregator.NotificationCount = inputStream.WaveFormat.SampleRate / 100;
SampleAggregator.PerformFFT = true;
SampleAggregator.FftCalculated += (s, a) => FftCalculated?.Invoke(this, a);
SampleAggregator.MaximumCalculated += (s, a) => MaximumCalculated?.Invoke(this, a);
Volume = 0.5f;
playbackDevice.Volume = Volume;
playbackDevice.Init(SampleAggregator);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Проблема открытия файла");
CloseFile();
}
}
private void OpenFile(string fileName, bool isVorbis = false)
{
try
{
if (isVorbis)
{
var inputStream = new VorbisWaveReader(fileName);
fileStream = inputStream;
var aggregator = new AudioSampleAggregator(inputStream);
aggregator.NotificationCount = inputStream.WaveFormat.SampleRate / 100;
aggregator.PerformFFT = true;
aggregator.FftCalculated += (s, a) => FftCalculated?.Invoke(this, a);
aggregator.MaximumCalculated += (s, a) => MaximumCalculated?.Invoke(this, a);
playbackDevice.Init(aggregator);
playbackDevice.PlaybackStopped += OnPlaybackStopped;
}
else
{
var inputStream = new AudioFileReader(fileName);
fileStream = inputStream;
var aggregator = new AudioSampleAggregator(inputStream);
aggregator.NotificationCount = inputStream.WaveFormat.SampleRate / 100;
aggregator.PerformFFT = true;
aggregator.FftCalculated += (s, a) => FftCalculated?.Invoke(this, a);
aggregator.MaximumCalculated += (s, a) => MaximumCalculated?.Invoke(this, a);
playbackDevice.Init(aggregator);
playbackDevice.PlaybackStopped += OnPlaybackStopped;
}
}
catch (Exception)
{
CloseFile();
throw;
}
}
protected virtual void OnFftCalculated(SampleProcessor.FftEventArgs e)
{
FftCalculated?.Invoke(this, e);
}
protected virtual void OnFftCalculated(FftEventArgs e)
{
FftCalculated?.Invoke(this, e);
}