public SoundPlayer(SoundDevice device, SoundSettings settings)
{
_soundSettings = settings;
_inputDevice = device.Device;
if (_inputDevice.DataFlow == DataFlow.Render)
{
_capture = new WasapiLoopbackCapture(_inputDevice)
{
ShareMode = AudioClientShareMode.Shared
};
_log.Debug($"Initialized WasapiLoopbackCapture for device {_inputDevice.FriendlyName} of type {_inputDevice.DataFlow}. ShareMode: {_capture.ShareMode}, State: {_inputDevice.State}");
_log.Debug($"Capturing in format: {_capture.WaveFormat} {_capture.WaveFormat.BitsPerSample}bit {_capture.WaveFormat.SampleRate}Hz {_capture.WaveFormat.Channels} channels");
_captureProvider = new WaveInProvider(_capture);
_remoteOutput = new DefaultResampler(_capture.WaveFormat).Resample(_captureProvider);
_remoteBuffer = new BufferedWaveProvider(SoundSettings.DiscordFormat);
_capture.DataAvailable += (s, e) => { _remoteOutput.Read(buf, 0, e.BytesRecorded / 2); _remoteBuffer.AddSamples(buf, 0, e.BytesRecorded / 2); };
}
else
{
_capture = new WasapiCapture(_inputDevice)
{
ShareMode = AudioClientShareMode.Shared
};
_log.Debug($"Initialized WasapiCapture for device {_inputDevice.FriendlyName} of type {_inputDevice.DataFlow}. ShareMode: {_capture.ShareMode}, State: {_inputDevice.State}.");
_log.Debug($"Capturing in format: {_capture.WaveFormat} {_capture.WaveFormat.BitsPerSample}bit {_capture.WaveFormat.SampleRate}Hz {_capture.WaveFormat.Channels} channels");
_captureProvider = new WaveInProvider(_capture);
_remoteOutput = new DefaultResampler(_capture.WaveFormat).Resample(_captureProvider);
var captureRate = _capture.WaveFormat.AverageBytesPerSecond;
var outputRate = SoundSettings.DiscordFormat.AverageBytesPerSecond;
_log.Info($"Capture rate is {captureRate}, output rate is {outputRate}, that gives a ratio of {(float)captureRate / (float)outputRate}");
_log.Debug($"Outputting in format: {_remoteOutput.WaveFormat} {_remoteOutput.WaveFormat.BitsPerSample}bit {_remoteOutput.WaveFormat.SampleRate}Hz {_remoteOutput.WaveFormat.Channels} channels");
var rate = (float)SoundSettings.DiscordFormat.AverageBytesPerSecond / _capture.WaveFormat.AverageBytesPerSecond;
_remoteBuffer = new BufferedWaveProvider(_remoteOutput.WaveFormat);
_capture.DataAvailable += (s, e) => { _remoteOutput.Read(buf, 0, (int)Math.Round(e.BytesRecorded * rate)); _remoteBuffer.AddSamples(buf, 0, (int)Math.Round(e.BytesRecorded * rate)); };
}
if (_soundSettings.PlayLocally)
{
_localOutput = new WasapiOut();
_localBuffer = new BufferedWaveProvider(_remoteOutput.WaveFormat);
_localOutput.Init(_localBuffer);
_capture.DataAvailable += (s, e) => { _localBuffer.AddSamples(buf, 0, e.BytesRecorded / 2); };
}
}
public void shutDown()
{
_waveInStream.StopRecording();
_waveIn16Stream = null;
_waveTemp = null;
_waveInStream.Dispose();
_waveInStream = null;
}
/// <summary>
/// Stop all playback and recording of the mixer. Switch to the new input device and start recording.
/// </summary>
public void AttachInputMicrophone()
{
InitializeWaveOutWaveIn();
System.Threading.Thread.Sleep(300);//to prevent looping of sound when switching to the virtual audio cable
int deviceNumber = -1;
if (!cbInputDevices.Dispatcher.CheckAccess())
{
Action action = () => deviceNumber = cbInputDevices.SelectedIndex;
cbInputDevices.Dispatcher.Invoke(action);
}
else
{
deviceNumber = cbInputDevices.SelectedIndex;
}
if (deviceNumber == -1)
{
sourceStream = new WasapiCapture((MMDevice)cbInputDevices.Items[0]);
}
else
{
if (!cbInputDevices.Dispatcher.CheckAccess())
{
Action action = () => sourceStream = new WasapiCapture((MMDevice)(cbInputDevices.SelectedItem as ComboboxItem).Value);
cbInputDevices.Dispatcher.Invoke(action);
}
else
{
sourceStream = new WasapiLoopbackCapture((MMDevice)cbInputDevices.SelectedItem);
}
}
//set the input waveIn to the input device selected
WaveInProvider waveIn = new WaveInProvider(sourceStream);
//waveOut = Where the mic output will go
if (!cbOutputDevices.Dispatcher.CheckAccess())
{
Action action = () => waveOut.DeviceNumber = cbOutputDevices.SelectedIndex;;
cbOutputDevices.Dispatcher.Invoke(action);
}
else
{
waveOut.DeviceNumber = cbOutputDevices.SelectedIndex;
}
//waveOut.DeviceNumber = 0;//digital audio cable
waveOut.DesiredLatency = 120;
waveOut.Init(waveIn);
waveOut.Play();
sourceStream.StartRecording();
}
void doMagic02_WORKS()
{
WasapiLoopbackCapture wlc = new WasapiLoopbackCapture(settings.devRec.mm);
WaveInProvider waveIn = new WaveInProvider(wlc);
WasapiOut waveOut = new WasapiOut(settings.devOut.mm, AudioClientShareMode.Shared, false, 100);
waveOut.Init(waveIn);
wlc.StartRecording();
waveOut.Play();
}
public void Enable()
{
try
{
ipep = new IPEndPoint(IPAddress.Parse(Micobject.settings.sourcename), 8092);
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
client.Connect(ipep);
logger.Info("与对方服务器{0}通信连接成功。", Micobject.settings.sourcename);
}
catch (SocketException se)
{
logger.Error("Socket异常:{0}", se.Message);
throw;
}
catch (Exception ex)
{
logger.Error("通信异常", ex.Message);
}
try
{
_sampleRate = Micobject.settings.samples;
_bitsPerSample = Micobject.settings.bits;
_channels = Micobject.settings.channels;
RecordingFormat = new WaveFormat(_sampleRate, _bitsPerSample, _channels);
_waveIn = new WaveInEvent {
BufferMilliseconds = 40, DeviceNumber = 0, WaveFormat = RecordingFormat
};
_waveIn.DataAvailable += WaveInDataAvailable;
_waveIn.RecordingStopped += WaveInRecordingStopped;
_waveProvider = new WaveInProvider(_waveIn);
_sampleChannel = new SampleChannel(_waveProvider);
_meteringProvider = new MeteringSampleProvider(_sampleChannel);
//_meteringProvider.StreamVolume += _meteringProvider_StreamVolume;
}
catch (Exception exc)
{
logger.Error(exc.Message);
}
try
{
_waveIn.StartRecording();
logger.Info("开始接收语音信号。");
}
catch (Exception ex)
{
logger.Error(ex.Message);
}
}
/// <summary>
/// Start audio source.
/// </summary>
///
/// <remarks>Starts audio source and return execution to caller. audio source
/// object creates background thread and notifies about new frames with the
/// help of <see cref="DataAvailable"/> event.</remarks>
///
/// <exception cref="ArgumentException">audio source is not specified.</exception>
///
public void Start()
{
if (string.IsNullOrEmpty(_source))
{
throw new ArgumentException("Audio source is not specified.");
}
if (_started)
{
return;
}
// check source
lock (_lock)
{
if (_started)
{
return;
}
int i = 0, selind = -1;
for (var n = 0; n < WaveIn.DeviceCount; n++)
{
if (WaveIn.GetCapabilities(n).ProductName == _source)
{
selind = i;
}
i++;
}
if (selind == -1)
{
AudioFinished?.Invoke(this, new PlayingFinishedEventArgs(ReasonToFinishPlaying.DeviceLost));
return;
}
_started = true;
_waveIn = new WaveInEvent
{
BufferMilliseconds = 200,
DeviceNumber = selind,
WaveFormat = RecordingFormat
};
_waveIn.DataAvailable += WaveInDataAvailable;
_waveIn.RecordingStopped += WaveInRecordingStopped;
_waveProvider = new WaveInProvider(_waveIn);
_sampleChannel = new SampleChannel(_waveProvider);
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
_waveIn.StartRecording();
}
}
public Speakers()
{
_recording = false;
_soundServer = new UDPServer(0);
_waveInStream = new WasapiLoopbackCapture();
_waveTemp = new WaveInProvider(_waveInStream);
_waveIn16Stream = new WaveFloatTo16Provider(_waveTemp);
//Console.Out.WriteLine("Sample rate: " + _waveInStream.WaveFormat.SampleRate);
/*Console.Out.WriteLine("\nEnconding: " + _waveInStream.WaveFormat.Encoding);
* Console.Out.WriteLine("Sample rate: " + _waveInStream.WaveFormat.SampleRate);
* Console.Out.WriteLine("Bits per sample: " + _waveInStream.WaveFormat.BitsPerSample);
* Console.Out.WriteLine("Channels: " + _waveInStream.WaveFormat.Channels);*/
}
/// <summary>
/// Start audio source.
/// </summary>
///
/// <remarks>Starts audio source and return execution to caller. audio source
/// object creates background thread and notifies about new frames with the
/// help of <see cref="DataAvailable"/> event.</remarks>
///
/// <exception cref="ArgumentException">audio source is not specified.</exception>
///
public void Start()
{
if (!IsRunning)
{
// check source
int i = 0, selind = -1;
for (int n = 0; n < WaveIn.DeviceCount; n++)
{
if (WaveIn.GetCapabilities(n).ProductName == _source)
{
selind = i;
}
i++;
}
if (selind == -1)
{
//device no longer connected or not configured
if (i > 0)
{
selind = 0;
}
else
{
//if (AudioSourceError != null)
// AudioSourceError(this, new AudioSourceErrorEventArgs("not connected"));
if (AudioFinished != null)
{
AudioFinished(this, ReasonToFinishPlaying.DeviceLost);
}
return;
}
}
_waveIn = new WaveIn {
BufferMilliseconds = 200, DeviceNumber = selind, WaveFormat = RecordingFormat
};
_waveIn.DataAvailable += WaveInDataAvailable;
_waveIn.RecordingStopped += WaveInRecordingStopped;
_waveProvider = new WaveInProvider(_waveIn);
_sampleChannel = new SampleChannel(_waveProvider);
if (LevelChanged != null)
{
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
}
_waveIn.StartRecording();
}
}
private void StartLoopback()
{
if (isInputStream)
{
loopbackStream = new DirectSoundOut();
waveInProvider = new WaveInProvider(sourceInStream);
equalizer = new Equalizer(waveInProvider.ToSampleProvider(), eqBand);
loopbackStream.Init(equalizer);
loopbackStream.Play();
}
}
private void Button8_Click(object sender, EventArgs e)
{
int deviceNumber = comboBoxAudio.SelectedIndex;
sourceStream = new WaveIn();
sourceStream.DeviceNumber = deviceNumber;
sourceStream.WaveFormat = new WaveFormat(44100, NAudio.Wave.WaveIn.GetCapabilities(deviceNumber).Channels);
WaveInProvider waveIn = new WaveInProvider(sourceStream);
waveOut = new DirectSoundOut();
waveOut.Init(waveIn);
sourceStream.StartRecording();
waveOut.Play();
}
public Record()
{
List <IMFActivate> devices = new List <IMFActivate>();
foreach (var i in MediaFoundationApi.EnumDeviceSources())
{
devices.Add(i);
}
MediaFoundationCapturer capturer = new MediaFoundationCapturer(devices[0]);
WaveInProvider waveIn = new WaveInProvider(capturer);
capturer.StartRecording();
Thread.Sleep(5000);
capturer.StopRecording();
MediaFoundationEncoder.EncodeToWma(waveIn, @"C:\record.mp3");
}
private void StopLoopback()
{
if (loopbackStream != null)
{
loopbackStream.Stop();
loopbackStream.Dispose();
loopbackStream = null;
}
if (waveInProvider != null)
{
waveInProvider = null;
}
if (equalizer != null)
{
equalizer = null;
}
}
private void StartSourcesButton_Click(object sender, RoutedEventArgs e)
{
if (SourcesList.Items.Count == 0)
{
return;
}
sourceStream = new WaveIn();
sourceStream.DeviceNumber = 0;
sourceStream.WaveFormat = new WaveFormat(44100, WaveIn.GetCapabilities(0).Channels);
WaveInProvider waveIn = new WaveInProvider(sourceStream);
waveOut = new DirectSoundOut();
waveOut.Init(waveIn);
sourceStream.StartRecording();
waveOut.Play();
}
private void Button2_Click(object sender, EventArgs e)
{
if (listView1.SelectedItems.Count == 0)
{
return;
}
int deviceNum = listView1.SelectedItems[0].Index;
sourceStream = new WaveIn();
sourceStream.DeviceNumber = deviceNum;
sourceStream.WaveFormat = new WaveFormat(44100, WaveIn.GetCapabilities(deviceNum).Channels);
WaveInProvider waveIn = new WaveInProvider(sourceStream);
waveOut = new DirectSoundOut();
waveOut.Init(waveIn);
sourceStream.StartRecording();
waveOut.Play();
}
/// <summary>
/// Start audio source.
/// </summary>
///
/// <remarks>Starts audio source and return execution to caller. audio source
/// object creates background thread and notifies about new frames with the
/// help of <see cref="DataAvailable"/> event.</remarks>
///
/// <exception cref="ArgumentException">audio source is not specified.</exception>
///
public void Start()
{
if (!IsRunning)
{
// check source
if (string.IsNullOrEmpty(_source))
{
throw new ArgumentException("Audio source is not specified.");
}
int i = 0, selind = -1;
for (int n = 0; n < WaveIn.DeviceCount; n++)
{
if (WaveIn.GetCapabilities(n).ProductName == _source)
{
selind = i;
}
i++;
}
if (selind == -1)
{
//device no longer connected
if (AudioSourceError != null)
{
AudioSourceError(this, new AudioSourceErrorEventArgs("not connected"));
}
return;
}
_waveIn = new WaveIn {
BufferMilliseconds = 200, DeviceNumber = selind, WaveFormat = RecordingFormat
};
_waveIn.DataAvailable += WaveInDataAvailable;
_waveIn.RecordingStopped += WaveInRecordingStopped;
_waveProvider = new WaveInProvider(_waveIn);
_sampleChannel = new SampleChannel(_waveProvider);
_sampleChannel.PreVolumeMeter += SampleChannelPreVolumeMeter;
_waveIn.StartRecording();
}
}
public void StartPreview(int mic, int speakers)
{
try
{
_waveIn = new WaveIn(WaveCallbackInfo.FunctionCallback())
{
BufferMilliseconds = 100,
DeviceNumber = mic,
WaveFormat = new WaveFormat(8000, 16, 1)
};
var pcm = new WaveInProvider(_waveIn);
Volume = new SampleChannel(pcm);
var downsample = new WdlResamplingSampleProvider(Volume, 44100);
var filter = new RadioFilter(downsample);
_waveOut = new WaveOut
{
DesiredLatency = 100,
DeviceNumber = speakers
};
//75ms latency in output buffer
_waveOut.Init(filter);
_waveIn.StartRecording();
_waveOut.Play();
}
catch (Exception ex)
{
Logger.Error(ex, "Error starting audio Quitting!");
Environment.Exit(1);
}
}
private void loopback_Click(object sender, EventArgs e)
{
if (sourceList.SelectedItems.Count == 0)
{
return;
}
int deviceIndex = sourceList.SelectedItems[0].Index;
mother.mainWaveIn = new WaveIn
{
DeviceNumber = deviceIndex,
WaveFormat = new WaveFormat(44100, WaveIn.GetCapabilities(deviceIndex).Channels)
};
WaveInProvider waveIn = new WaveInProvider(mother.mainWaveIn);
mother.mainDirectSoundOut = new DirectSoundOut();
mother.mainDirectSoundOut.Init(waveIn);
mother.mainWaveIn.StartRecording();
mother.mainDirectSoundOut.Play();
}
public WaveInputDeviceAttachment()
{
device = new WaveInEvent();
provider = new WaveInProvider(device);
}
public void Enable()
{
if (audioMode == 0)
{
_processing = true;
_sampleRate = Micobject.settings.samples;
_bitsPerSample = Micobject.settings.bits;
_channels = Micobject.settings.channels;
RecordingFormat = new WaveFormat(_sampleRate, _bitsPerSample, _channels);
//local device
int i = 0, selind = -1;
for (int n = 0; n < WaveIn.DeviceCount; n++)
{
if (WaveIn.GetCapabilities(n).ProductName == Micobject.settings.sourcename)
{
selind = i;
}
i++;
}
if (selind == -1)
{
//device no longer connected
Micobject.settings.active = false;
NoSource = true;
_processing = false;
return;
}
_waveIn = new WaveIn {
BufferMilliseconds = 40, DeviceNumber = selind, WaveFormat = RecordingFormat
};
_waveIn.DataAvailable += WaveInDataAvailable;
_waveIn.RecordingStopped += WaveInRecordingStopped;
_waveProvider = new WaveInProvider(_waveIn);
_sampleChannel = new SampleChannel(_waveProvider);
//_sampleChannel.Volume = 0.01f;
_meteringProvider = new MeteringSampleProvider(_sampleChannel);
_meteringProvider.StreamVolume += _meteringProvider_StreamVolume;
try
{
_waveIn.StartRecording();
}
catch (Exception ex)
{
//MainForm.LogExceptionToFile(ex);
//MessageBox.Show(LocRM.GetString("AudioMonitoringError") + ": " + ex.Message, LocRM.GetString("Error"));
_processing = false;
return;
}
NoSource = false;
Micobject.settings.active = true;
//MainForm.NeedsSync = true;
Invalidate();
_processing = false;
}
}
