public void Setup(AudioEncoderSettings inputPars, NetworkSettings networkPars)
{
logger.Debug("AudioReceiver::Setup(...)");
try
{
decoder = new AudioDecoder();
decoder.Open(inputPars);
waveFormat = new WaveFormat(8000, 16, 1);
var _deviceId = inputPars.DeviceId;
Guid deviceId = Guid.Empty;
if (!string.IsNullOrEmpty(_deviceId))
{
Guid.TryParse(_deviceId, out deviceId);
}
DirectSoundDeviceInfo deviceInfo = null;
var DSDevices = DirectSoundOut.Devices;
if (DSDevices != null && DSDevices.Count() > 0)
{
//DirectSoundOut.DSDEVID_DefaultPlayback
deviceInfo = DSDevices.FirstOrDefault(d => d.Guid == deviceId) ?? DSDevices.FirstOrDefault();
}
if (deviceId == null)
{
throw new Exception("Audio device not found...");
}
if (deviceInfo != null)
{
logger.Info(deviceInfo.Description + " " + deviceInfo.ModuleName + " " + deviceInfo.Guid);
wavePlayer = new NAudio.Wave.DirectSoundOut(deviceInfo.Guid);
//wavePlayer = new NAudio.Wave.WaveOut();
wavePlayer.PlaybackStopped += WavePlayer_PlaybackStopped;
waveBuffer = new BufferedWaveProvider(waveFormat)
{
BufferDuration = TimeSpan.FromMilliseconds(300),
//BufferDuration = TimeSpan.FromMilliseconds(300),
DiscardOnBufferOverflow = true
};
volumeProvider = new VolumeSampleProvider(waveBuffer.ToSampleProvider());
var meteringSampleProvider = new MeteringSampleProvider(volumeProvider);
meteringSampleProvider.StreamVolume += PostVolumeMeter_StreamVolume;
wavePlayer.Init(meteringSampleProvider);
bufferLost = false;
}
else
{
throw new Exception("DirectSound devices is not available...");
}
session = new PCMUSession();
if (networkPars.TransportMode == TransportMode.Tcp)
{
rtpReceiver = new RtpTcpReceiver(session);
}
else
{
rtpReceiver = new RtpUdpReceiver(session);
}
session.SSRC = networkPars.SSRC;
rtpReceiver.Open(networkPars);
rtpReceiver.RtpPacketReceived += RtpReceiver_RtpPacketReceived;
}
catch (Exception ex)
{
logger.Debug(ex);
CleanUp();
throw;
}
}
public void Setup(AudioEncoderSettings encoderSettings, NetworkSettings networkSettings)
{
logger.Debug("AudioStreamer::Start(...) ");
this.Id = "AudioStreamer_" + Guid.NewGuid().ToString();
this.EncoderSettings = encoderSettings;
this.NetworkSettings = networkSettings;
try
{
// var capture = audioSource.Capture;
var waveFormat = audioSource.WaveFormat;
//bufferedWaveProvider = new BufferedWaveProvider(waveFormat);
//bufferedWaveProvider.DiscardOnBufferOverflow = true;
//sampleChannel = new SampleChannel(bufferedWaveProvider);
audioResampler = new AudioEncoder();
var captureParams = new AudioEncoderSettings
{
SampleRate = waveFormat.SampleRate,
Channels = waveFormat.Channels,
};
audioResampler.Open(captureParams, encoderSettings);
session = new PCMUSession();
if (networkSettings.TransportMode == TransportMode.Tcp)
{
RtpSender = new RtpTcpSender(session);
}
else if (networkSettings.TransportMode == TransportMode.Udp)
{
RtpSender = new RtpUdpSender(session);
}
else
{
throw new FormatException("NotSupportedFormat " + networkSettings.TransportMode);
}
audioSource.DataAvailable += AudioSource_DataAvailable;
RtpSender.Setup(networkSettings);
networkSettings.SSRC = session.SSRC;
RtpSender.Start();
IsStreaming = true;
OnStateChanged();
}
catch (Exception ex)
{
logger.Error(ex);
Close();
}
}
