public IWaveIn Open(IWavePipeConfiguration config)
{
IWaveIn result;
var bufferMilliseconds = config.InputBufferLength ?? 50;
var numberOfBuffers = config.InputBufferCount ?? 3;
if (config.IsThreadCompatible)
{
result = new WaveInEvent
{
DeviceNumber = _index,
BufferMilliseconds = bufferMilliseconds,
NumberOfBuffers = numberOfBuffers
};
}
else
{
result = new WaveIn
{
DeviceNumber = _index,
BufferMilliseconds = bufferMilliseconds,
NumberOfBuffers = numberOfBuffers
};
}
if (config.InputFormat != null)
{
result.WaveFormat = config.InputFormat;
}
return(result);
}
public IWavePlayer Open(IWavePipeConfiguration config)
{
return(new AsioOut(Device.Name)
{
ChannelOffset = _index
});
}
public WavePipeInfo(IWavePipeConfiguration wavePipeConfiguration)
{
Configuration = wavePipeConfiguration;
InputSource = wavePipeConfiguration.InputSource;
OutputSource = wavePipeConfiguration.OutputSource;
Configure(wavePipeConfiguration);
}
public void Reconfigure(IWavePipeConfiguration configuration)
{
Configuration = configuration;
Stop();
Configure(configuration);
Start();
}
public IWavePlayer Open(IWavePipeConfiguration config)
{
return(new WaveOutEvent
{
DesiredLatency = config.OutputLatency ?? 100,
DeviceNumber = _index,
NumberOfBuffers = config.OutputBufferCount ?? 3
});
}
public IWaveIn Open(IWavePipeConfiguration config)
{
return(new AsioWaveInWrapper(new AsioOut(Device.Name)
{
InputChannelOffset = _index
})
{
WaveFormat = config.InputFormat
});
}
private void Configure(IWavePipeConfiguration configuration)
{
WavePipe?.Dispose();
WaveIn?.Dispose();
WaveOut?.Dispose();
WaveIn = InputSource.Open(configuration);
WaveOut = OutputSource.Open(configuration);
WavePipe = new WavePipe(InputSource, OutputSource, configuration);
}
public void Stop(IWavePipeConfiguration wavePipeDeviceInfo)
{
var existingPipe = GetExistingPipe(wavePipeDeviceInfo);
if (existingPipe == null)
{
return;
}
existingPipe.Stop();
_pipes.Remove(existingPipe);
existingPipe.Dispose();
}
private void SetConfiguration(IWavePipeConfiguration configuration)
{
inputBufferCountSlider.Value = GetClampedValueForTrackBar(inputBufferCountSlider,
configuration.InputBufferCount);
inputBufferSizeSlider.Value = GetClampedValueForTrackBar(inputBufferSizeSlider,
configuration.InputBufferCount);
outputBufferCountSlider.Value = GetClampedValueForTrackBar(outputBufferCountSlider,
configuration.OutputBufferCount);
outputLatencySlider.Value = GetClampedValueForTrackBar(outputLatencySlider,
configuration.OutputLatency);
inputFormatFrequency.Text = (configuration.InputFormat?.SampleRate ?? 44100).ToString();
inputFormatEnable.Checked = configuration.InputFormat == null;
backgroundThreadCheckBox.Checked = configuration.UseBackgroundThread;
discardDataCheckBox.Checked = configuration.DiscardSamplesIfLagging;
}
public void Start(IWavePipeConfiguration wavePipeConfiguration)
{
var existingPipe = GetExistingPipe(wavePipeConfiguration);
if (existingPipe != null)
{
existingPipe.Reconfigure(wavePipeConfiguration);
return;
}
var newPipe = new WavePipeInfo(wavePipeConfiguration);
newPipe.Start();
_pipes.Add(newPipe);
}
public WavePipe(IWaveInSource waveIn, IWaveOutSource waveOut, IWavePipeConfiguration configuration)
{
_configuration = configuration;
_threadInfo = new WavePipeThreadInfo(waveIn, waveOut, _configuration);
var thread = new Thread(WavePipeThreadProc);
if (!_configuration.IsThreadCompatible)
{
_threadInfo.Initialize();
}
else
{
thread.Priority = ThreadPriority.AboveNormal;
}
thread.Start(_threadInfo);
}
public WaveInBufferedStreamProvider(IWaveIn waveIn, IWavePipeConfiguration configuration)
{
_waveIn = waveIn;
waveIn.DataAvailable += OnWaveInDataAvailable;
_bufferedWaveProvider = new BufferedWaveProvider(WaveFormat)
{
DiscardOnBufferOverflow = configuration.DiscardSamplesIfLagging,
};
if (configuration.DiscardSamplesIfLagging && configuration.InputSource.SupportsBufferSize && configuration.OutputSource.SupportsBufferSize)
{
var totalInputLatency = (configuration.InputSource.SupportsBufferCount ? configuration.InputBufferCount ?? 1 : 1) * (configuration.InputBufferLength ?? 20);
var totalOutputLatency = (configuration.OutputSource.SupportsBufferCount ? configuration.OutputBufferCount ?? 1 : 1) * (configuration.OutputLatency ?? 40);
_bufferedWaveProvider.BufferLength = waveIn.WaveFormat.ConvertLatencyToByteSize(totalInputLatency + totalOutputLatency);
}
else
{
_bufferedWaveProvider.BufferLength = waveIn.WaveFormat.AverageBytesPerSecond * 10;
}
}
public WavePipeThreadInfo(IWaveInSource waveIn, IWaveOutSource waveOut, IWavePipeConfiguration configuration)
{
_waveInDevice = waveIn;
_waveOutDevice = waveOut;
_configuration = configuration;
}
public void SaveToLocalFile(IWavePipeConfiguration configuration)
{
SaveToFile(GetLocalConfigurationFileName(), configuration);
}
public void SaveToUserProfile(IWavePipeConfiguration configuration)
{
SaveToFile(GetUserProfileFileName(), configuration);
}
private void SaveToFile(string fileName, IWavePipeConfiguration configuration)
{
var data = JsonConvert.SerializeObject(configuration, Formatting.Indented);
File.WriteAllText(fileName, data);
}
public bool ContainsPipeWithDevices(IWavePipeConfiguration wavePipeDeviceInfo)
{
return(GetExistingPipe(wavePipeDeviceInfo) != null);
}
public IWavePlayer Open(IWavePipeConfiguration config)
{
return(new DirectSoundOut(_guid, config.OutputLatency ?? 40));
}
private IWavePipeInfo GetExistingPipe(IWavePipeConfiguration wavePipeConfiguration)
{
return(_pipes.FirstOrDefault(p =>
p.Configuration.InputSource?.Id == wavePipeConfiguration.InputSource?.Id &&
p.Configuration.OutputSource?.Id == wavePipeConfiguration.OutputSource?.Id));
}
