private void LoadMusic()
{
blockAlignedStream = new BlockAlignReductionStream(WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader(musicPath)));
waveOut = new WaveOut(WaveCallbackInfo.FunctionCallback());
waveOut.Init(blockAlignedStream);
}
/// <summary>
/// Creates a default WaveOut device
/// Will use window callbacks if called from a GUI thread, otherwise function
/// callbacks
/// </summary>
public WaveOut()
: this(SynchronizationContext.Current == null ? WaveCallbackInfo.FunctionCallback() : WaveCallbackInfo.NewWindow())
{
}
/// <summary>
/// Creates a WaveOut device using the specified window handle for callbacks
/// </summary>
/// <param name="windowHandle">A valid window handle</param>
public WaveOut(IntPtr windowHandle)
: this(WaveCallbackInfo.ExistingWindow(windowHandle))
{
}
public void StartEncoding(int mic, MMDevice speakers, string guid, InputDeviceManager inputManager,
IPAddress ipAddress, int port, MMDevice micOutput)
{
_stop = false;
try
{
_micInputQueue.Clear();
InitMixers();
InitAudioBuffers();
//Audio manager should start / stop and cleanup based on connection successfull and disconnect
//Should use listeners to synchronise all the state
_waveOut = new WasapiOut(speakers, AudioClientShareMode.Shared, true, 40);
//add final volume boost to all mixed audio
_volumeSampleProvider = new VolumeSampleProviderWithPeak(_clientAudioMixer,
(peak => SpeakerMax = (float)VolumeConversionHelper.ConvertFloatToDB(peak)));
_volumeSampleProvider.Volume = SpeakerBoost;
if (speakers.AudioClient.MixFormat.Channels == 1)
{
if (_volumeSampleProvider.WaveFormat.Channels == 2)
{
_waveOut.Init(_volumeSampleProvider.ToMono());
}
else
{
//already mono
_waveOut.Init(_volumeSampleProvider);
}
}
else
{
if (_volumeSampleProvider.WaveFormat.Channels == 1)
{
_waveOut.Init(_volumeSampleProvider.ToStereo());
}
else
{
//already stereo
_waveOut.Init(_volumeSampleProvider);
}
}
_waveOut.Play();
//opus
_encoder = OpusEncoder.Create(INPUT_SAMPLE_RATE, 1, Application.Voip);
_encoder.ForwardErrorCorrection = false;
_decoder = OpusDecoder.Create(INPUT_SAMPLE_RATE, 1);
_decoder.ForwardErrorCorrection = false;
//speex
_speex = new Preprocessor(AudioManager.SEGMENT_FRAMES, AudioManager.INPUT_SAMPLE_RATE);
}
catch (Exception ex)
{
Logger.Error(ex, "Error starting audio Output - Quitting! " + ex.Message);
ShowOutputError("Problem Initialising Audio Output!");
Environment.Exit(1);
}
if (micOutput != null) // && micOutput !=speakers
{
//TODO handle case when they're the same?
try
{
_micWaveOut = new WasapiOut(micOutput, AudioClientShareMode.Shared, true, 40);
_micWaveOutBuffer = new BufferedWaveProvider(new WaveFormat(AudioManager.INPUT_SAMPLE_RATE, 16, 1));
_micWaveOutBuffer.ReadFully = true;
_micWaveOutBuffer.DiscardOnBufferOverflow = true;
var sampleProvider = _micWaveOutBuffer.ToSampleProvider();
if (micOutput.AudioClient.MixFormat.Channels == 1)
{
if (sampleProvider.WaveFormat.Channels == 2)
{
_micWaveOut.Init(sampleProvider.ToMono());
}
else
{
//already mono
_micWaveOut.Init(sampleProvider);
}
}
else
{
if (sampleProvider.WaveFormat.Channels == 1)
{
_micWaveOut.Init(sampleProvider.ToStereo());
}
else
{
//already stereo
_micWaveOut.Init(sampleProvider);
}
}
_micWaveOut.Play();
}
catch (Exception ex)
{
Logger.Error(ex, "Error starting mic audio Output - Quitting! " + ex.Message);
ShowOutputError("Problem Initialising Mic Audio Output!");
Environment.Exit(1);
}
}
if (mic != -1)
{
try
{
_waveIn = new WaveIn(WaveCallbackInfo.FunctionCallback())
{
BufferMilliseconds = INPUT_AUDIO_LENGTH_MS,
DeviceNumber = mic,
};
_waveIn.NumberOfBuffers = 2;
_waveIn.DataAvailable += _waveIn_DataAvailable;
_waveIn.WaveFormat = new WaveFormat(INPUT_SAMPLE_RATE, 16, 1);
_tcpVoiceHandler =
new TCPVoiceHandler(_clientsList, guid, ipAddress, port, _decoder, this, inputManager);
var voiceSenderThread = new Thread(_tcpVoiceHandler.Listen);
voiceSenderThread.Start();
_waveIn.StartRecording();
MessageHub.Instance.Subscribe <SRClient>(RemoveClientBuffer);
}
catch (Exception ex)
{
Logger.Error(ex, "Error starting audio Input - Quitting! " + ex.Message);
ShowInputError("Problem initialising Audio Input!");
Environment.Exit(1);
}
}
}
