/// <summary>
/// Is called when wave-in has received new audio frame.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">Event data.</param>
private void m_pWaveIn_AudioFrameReceived(object sender, EventArgs <byte[]> e)
{
try{
// We don't have RTP timestamp base or time stamp recycled.
if (m_RtpTimeStamp == 0 || m_RtpTimeStamp > m_pRTP_Stream.Session.RtpClock.RtpTimestamp)
{
m_RtpTimeStamp = m_pRTP_Stream.Session.RtpClock.RtpTimestamp;
}
// Some sample block missing or silence suppression.
// Don't work ... need some more investigation.
//else if((m_pRTP_Stream.Session.RtpClock.RtpTimestamp - m_RtpTimeStamp) > 2 * m_pRTP_Stream.Session.RtpClock.MillisecondsToRtpTicks(m_AudioFrameSize)){
// m_RtpTimeStamp = m_pRTP_Stream.Session.RtpClock.RtpTimestamp;
//}
else
{
m_RtpTimeStamp += (uint)m_pRTP_Stream.Session.RtpClock.MillisecondsToRtpTicks(m_AudioFrameSize);
}
if (m_pActiveCodec != null)
{
RTP_Packet rtpPacket = new RTP_Packet();
rtpPacket.Data = m_pActiveCodec.Encode(e.Value, 0, e.Value.Length);
rtpPacket.Timestamp = m_RtpTimeStamp;
m_pRTP_Stream.Send(rtpPacket);
}
}
catch (Exception x) {
if (!this.IsDisposed)
{
// Raise error event(We can't throw expection directly, we are on threadpool thread).
OnError(x);
}
}
}
protected void SendAudio(byte[] bUncompressedAudio)
{
short[] sUncompressedAudio = AudioClasses.Utils.ConvertByteArrayToShortArrayLittleEndian(bUncompressedAudio);
RTPPacket[] packets = new RTPPacket[] { };
lock (SendLock)
{
packets = AudioCodec.Encode(sUncompressedAudio);
}
lock (SocketLock)
{
foreach (RTPPacket packet in packets)
{
FormatNextPacket(packet);
byte[] bDataPacket = packet.GetBytes();
if (RTPUDPClient != null)
{
RTPUDPClient.SendUDP(bDataPacket, bDataPacket.Length, DestinationEndpoint);
}
}
}
}
// FixedUpdate
void FixedUpdate()
{
if (GameManager.isServer)
{
return;
}
if (networkViewIsMine)
{
if (InputManager.instance.GetButton(pushToTalkButton))
{
int pos = Microphone.GetPosition(null);
int diff;
if (pos >= lastPos)
{
diff = pos - lastPos;
}
else
{
diff = (microphoneClip.samples - lastPos) + pos;
}
if (diff >= sampleBufferSize)
{
//LogManager.General.Log(Time.time - lastSend + ": " + diff);
samples = new float[sampleBufferSize]; // * microphoneClip.channels
microphoneClip.GetData(samples, lastPos);
// Noise removal
if (idleDetectionEnabled)
{
int idleCounter = 0;
for (int i = 0; i < samples.Length; i++)
{
float val = samples[i];
if (val < noiseLimit && val > -noiseLimit)
{
idleCounter++;
}
}
// Don't send if it's completely calm
if (idleCounter == samples.Length)
{
networkView.RPC("VoIPData", uLink.RPCMode.Server, new byte[0]);
return;
}
}
// Clamp
for (int i = 0; i < samples.Length; i++)
{
samples[i] = Mathf.Clamp(samples[i] * volumeMultiplier, -1f, 1f);
}
codec.Encode(samples, (bytes, len) => {
networkView.RPC("VoIPData", uLink.RPCMode.Server, bytes, len);
OnVoIPData(bytes, len, null);
});
//lastSend = Time.time;
lastPos = pos - (diff - sampleBufferSize);
if (lastPos < 0)
{
lastPos = microphoneClip.samples + lastPos;
}
}
}
else
{
visualizationSamples = null;
audioSources[0].Pause();
lastPos = Microphone.GetPosition(null);
}
}
else
{
if (!speaker.isPlaying)
{
visualizationSamples = null;
audioSources[0].Pause();
}
}
visualizationTime += Time.deltaTime * sendPacketFrequency;
}
