public IPEndPoint FindStunAddress()
{
JingleMediaSession session = new JingleMediaSession(localEp);
session.AudioRTPStream = stream;
IPEndPoint ep = session.PerformSTUNRequest(new DnsEndPoint("stun.ekiga.net", 3478), 4000);
IPEndPoint ep1 = session.PerformSTUNRequest(new DnsEndPoint("stun.ekiga.net", 3478), 4000);
Log(ep.ToString());
Log(ep1.ToString());
return ep;
}
public IPEndPoint FindStunAddress()
{
JingleMediaSession session = new JingleMediaSession(localEp);
session.AudioRTPStream = stream;
IPEndPoint ep = session.PerformSTUNRequest(new DnsEndPoint("stun.ekiga.net", 3478), 4000);
IPEndPoint ep1 = session.PerformSTUNRequest(new DnsEndPoint("stun.ekiga.net", 3478), 4000);
Log(ep.ToString());
Log(ep1.ToString());
return(ep);
}
public void MicrophoneThreadFunction()
{
StartMic();
JingleMediaSession session = MediaSession;
if (session == null)
{
return;
}
int nSamplesPerPacket = MediaSession.AudioRTPStream.AudioCodec.AudioFormat.CalculateNumberOfSamplesForDuration(TimeSpan.FromMilliseconds(MediaSession.AudioRTPStream.PTimeTransmit));
int nBytesPerPacket = nSamplesPerPacket * MediaSession.AudioRTPStream.AudioCodec.AudioFormat.BytesPerSample;
// Min size in ICS was 1280 or 40 ms
TimeSpan tsPTime = TimeSpan.FromMilliseconds(MediaSession.AudioRTPStream.PTimeTransmit);
DateTime dtNextPacketExpected = DateTime.Now + tsPTime;
int nUnavailableAudioPackets = 0;
while (m_bCallActive == true)
{
dtNextPacketExpected = DateTime.Now + tsPTime;
if (MicrophoneQueue.Size >= nBytesPerPacket)
{
byte[] buffer = MicrophoneQueue.GetNSamples(nBytesPerPacket);
session.AudioRTPStream.SendNextSample(buffer);
}
else
{
nUnavailableAudioPackets++;
}
if (MicrophoneQueue.Size > nBytesPerPacket * 6)
{
MicrophoneQueue.GetNSamples(MicrophoneQueue.Size - nBytesPerPacket * 5);
}
TimeSpan tsRemaining = dtNextPacketExpected - DateTime.Now;
int nMsRemaining = (int)tsRemaining.TotalMilliseconds;
if (nMsRemaining > 0)
{
System.Threading.Thread.Sleep(nMsRemaining);
}
}
StopMic();
}
public void SpeakerThreadFunction()
{
/// Send the data to our AudioStreamSource
///
TimeSpan tsPTime = TimeSpan.FromMilliseconds(MediaSession.AudioRTPStream.PTimeReceive);
int nSamplesPerPacket = MediaSession.AudioRTPStream.AudioCodec.AudioFormat.CalculateNumberOfSamplesForDuration(tsPTime);
int nBytesPerPacket = nSamplesPerPacket * MediaSession.AudioRTPStream.AudioCodec.AudioFormat.BytesPerSample;
JingleMediaSession session = MediaSession;
if (session == null)
{
return;
}
byte[] bDummySample = new byte[nBytesPerPacket];
source.PacketSize = nBytesPerPacket;
session.AudioRTPStream.IncomingRTPPacketBuffer.InitialPacketQueueMinimumSize = 4;
session.AudioRTPStream.IncomingRTPPacketBuffer.PacketSizeShiftMax = 10;
Deployment.Current.Dispatcher.BeginInvoke(new EventHandler(SafeStartMediaElement), null, null);
int nMsTook = 0;
/// Get first packet... have to wait for our rtp buffer to fill
byte[] bData = session.AudioRTPStream.WaitNextPacketSample(true, MediaSession.AudioRTPStream.PTimeReceive * 5, out nMsTook);
if ((bData != null) && (bData.Length > 0))
{
source.Write(bData);
}
DateTime dtNextPacketExpected = DateTime.Now + tsPTime;
System.Diagnostics.Stopwatch WaitPacketWatch = new System.Diagnostics.Stopwatch();
int nDeficit = 0;
while (m_bCallActive == true)
{
bData = session.AudioRTPStream.WaitNextPacketSample(true, MediaSession.AudioRTPStream.PTimeReceive, out nMsTook);
if ((bData != null) && (bData.Length > 0))
{
source.Write(bData);
}
//int nRemaining = MediaSession.AudioRTPStream.PTimeReceive - nMsTook;
//if (nRemaining > 0)
// System.Threading.Thread.Sleep(nRemaining);
//dtNextPacketExpected = dtLastPacket + tsPTime;
//byte[] bData = session.AudioRTPStream.GetNextPacketSample(false);
//if ((bData != null) && (bData.Length > 0))
// source.Write(bData);
//else
// source.Write(bDummySample);
TimeSpan tsRemaining = dtNextPacketExpected - DateTime.Now;
int nMsRemaining = (int)tsRemaining.TotalMilliseconds;
if (nMsRemaining > 0)
{
nMsRemaining += nDeficit;
if (nMsRemaining > 0)
{
System.Threading.Thread.Sleep(nMsRemaining);
}
else
{
nDeficit = nMsRemaining;
}
}
else
{
nDeficit += nMsRemaining;
}
dtNextPacketExpected += tsPTime;
}
Deployment.Current.Dispatcher.BeginInvoke(new EventHandler(SafeStopMediaElement), null, null);
}
