/// <summary>
/// Sets up the WebRTC connection by starting a new <see cref="System.Threading.Task"/>.
/// </summary>
/// <param name="session">Created session for the client.</param>
/// <param name="context">Context of the user connection.</param>
/// <param name="jsonMessage">Retrieved WebSocket message as Json.</param>
private void SetupWebRTCConnection(WebRtcSession session, IWebSocketConnection context, JsonData jsonMessage)
{
using (ManualResetEvent manualResetEvent = new ManualResetEvent(false))
{
Task task = Task.Factory.StartNew(() =>
{
WebRtcNative.InitializeSSL();
using (session.WebRtc)
{
foreach (string stunServer in stunServers)
{
session.WebRtc.AddServerConfig(stunServer, string.Empty, string.Empty);
}
if (session.WebRtc.InitializePeerConnection())
{
manualResetEvent.Set();
while (!session.Cancel.Token.IsCancellationRequested &&
session.WebRtc.ProcessMessages(1000))
{
//UnityEngine.Debug.Log(".");
}
session.WebRtc.ProcessMessages(1000);
}
else
{
context.Close();
}
}
}, session.Cancel.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
if (manualResetEvent.WaitOne(9999))
{
InitWebRTCCallbacks(session, context, jsonMessage);
}
}
}
/// <summary>
/// Initial WebRtc Component
/// </summary>
protected void RtcInitial()
{
try
{
WebRtcNative.InitializeSSL();
ServerUrls.GetStunUrls().ForEach(url =>
{
// Set Stun Servers
_WebRtc.AddServerConfig(url, string.Empty, string.Empty);
});
// Get audio control
_WebRtc.SetAudio(true);
_WebRtc.OpenVideoCaptureDevice("");
// Set Video Capturer
{
IVedioCaptureInfo cptr = new ScreenCaptureInfo();
_WebRtc.SetVideoCapturer(cptr.Width, cptr.Height, cptr.CaptureFps);
}
// Relative Connection callback
{
// Be triggered On Success to generate Offer
_WebRtc.OnSuccessOffer += (sdp) =>
{
OfferSpdMsg msg = new OfferSpdMsg
{
Command = SocketMessage.OfferSpd,
SDP = sdp
};
_SocketClient.Send(JsonConvert.SerializeObject(msg));
};
// Be triggered On Success to generate ICE
_WebRtc.OnIceCandidate += (sdp_mid, sdp_mline_index, sdp) =>
{
IceCandidateMsg msg = new IceCandidateMsg
{
Command = SocketMessage.OnIceCandidate,
SDP = sdp,
SdpMid = sdp_mid,
SdpMlineIndex = sdp_mline_index,
};
_SocketClient.Send(JsonConvert.SerializeObject(msg));
};
// Be triggered On OfferRequest
_WebRtc.OnSuccessAnswer += (sdp) =>
{
SuccessAnswerMsg msg = new SuccessAnswerMsg
{
Command = SocketMessage.OnSuccessAnswer,
SDP = sdp
};
_SocketClient.Send(JsonConvert.SerializeObject(msg));
};
}
// Set Local and Remote callback
{
_WebRtc.OnRenderLocal += _OnRenderLocalCallback;
_WebRtc.OnRenderRemote += _OnRenderRemoteCallback;
}
// Set Other callback
{
_WebRtc.OnSuccessAnswer += (sdp) => { Debug.WriteLine($"Success Get SDP:{sdp}"); };
_WebRtc.OnFailure += (failure) => { Debug.WriteLine($"Failure Msg:{failure}"); };
_WebRtc.OnError += (error) => { Debug.WriteLine($"Error Msg:{error}"); };
_WebRtc.OnDataMessage += (dmsg) => { Debug.WriteLine($"OnDataMessage: {dmsg}"); };
_WebRtc.OnDataBinaryMessage += (dmsg) => { Debug.WriteLine($"OnDataBinaryMessage: {dmsg.Length}"); };
}
}
catch (Exception ex) { }
}
private void OnReceive(IWebSocketConnection context, string msg)
{
Debug.WriteLine($"OnReceive {context.ConnectionInfo.Id}: {msg}");
if (!msg.Contains("command"))
{
return;
}
if (UserList.ContainsKey(context.ConnectionInfo.Id))
{
JsonData msgJson = JsonMapper.ToObject(msg);
string command = msgJson["command"].ToString();
switch (command)
{
case offer:
{
if (UserList.Count <= ClientLimit && !Streams.ContainsKey(context.ConnectionInfo.Id))
{
var session = Streams[context.ConnectionInfo.Id] = new WebRtcSession();
{
using (var go = new ManualResetEvent(false))
{
var t = Task.Factory.StartNew(() =>
{
WebRtcNative.InitializeSSL();
using (session.WebRtc)
{
session.WebRtc.AddServerConfig("stun:stun.l.google.com:19302", string.Empty, string.Empty);
session.WebRtc.AddServerConfig("stun:stun.anyfirewall.com:3478", string.Empty, string.Empty);
session.WebRtc.AddServerConfig("stun:stun.stunprotocol.org:3478", string.Empty, string.Empty);
session.WebRtc.OnSuccessOffer += WebRtc_OnSuccessOffer;
//session.WebRtc.AddServerConfig("turn:192.168.0.100:3478", "test", "test");
//session.WebRtc.SetAudio(MainForm.audio);
//if (!Form.checkBoxVirtualCam.Checked)
//{
// if (!string.IsNullOrEmpty(Form.videoDevice))
// {
// var vok = session.WebRtc.OpenVideoCaptureDevice(Form.videoDevice);
// Trace.WriteLine($"OpenVideoCaptureDevice: {vok}, {Form.videoDevice}");
// if (!vok)
// {
// return;
// }
// }
//}
//else
//{
// session.WebRtc.SetVideoCapturer(MainForm.screenWidth,
// MainForm.screenHeight,
// MainForm.captureFps);
//}
var ok = session.WebRtc.InitializePeerConnection();
if (ok)
{
go.Set();
// javascript side makes the offer in this demo
session.WebRtc.CreateDataChannel("msgDataChannel");
session.WebRtc.CreateOffer();
while (!session.Cancel.Token.IsCancellationRequested &&
session.WebRtc.ProcessMessages(1000))
{
Debug.Write(".");
}
session.WebRtc.ProcessMessages(1000);
}
else
{
Trace.WriteLine("InitializePeerConnection failed");
context.Close();
}
}
}, session.Cancel.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
if (go.WaitOne(9999))
{
session.WebRtc.OnIceCandidate += delegate(string sdp_mid, int sdp_mline_index, string sdp)
{
if (context.IsAvailable)
{
JsonData j = new JsonData();
j["command"] = "OnIceCandidate";
j["sdp_mid"] = sdp_mid;
j["sdp_mline_index"] = sdp_mline_index;
j["sdp"] = sdp;
context.Send(j.ToJson());
}
};
session.WebRtc.OnSuccessAnswer += delegate(string sdp)
{
if (context.IsAvailable)
{
JsonData j = new JsonData();
j["command"] = "OnSuccessAnswer";
j["sdp"] = sdp;
context.Send(j.ToJson());
}
};
session.WebRtc.OnFailure += delegate(string error)
{
Trace.WriteLine($"OnFailure: {error}");
};
session.WebRtc.OnError += delegate(string error)
{
Trace.WriteLine($"OnError: {error}");
};
session.WebRtc.OnDataMessage += delegate(string dmsg)
{
Trace.WriteLine($"OnDataMessage: {dmsg}");
};
session.WebRtc.OnDataBinaryMessage += delegate(byte [] dmsg)
{
Trace.WriteLine($"OnDataBinaryMessage: {dmsg.Length}");
};
Form.ResetRemote();
session.WebRtc.OnRenderRemote += delegate(IntPtr BGR24, uint w, uint h)
{
OnRenderRemote(BGR24, w, h);
};
Form.ResetLocal();
session.WebRtc.OnRenderLocal += delegate(IntPtr BGR24, uint w, uint h)
{
OnRenderLocal(BGR24, w, h);
};
var d = msgJson["desc"];
var s = d["sdp"].ToString();
//session.WebRtc.OnOfferRequest(s);
}
}
}
}
}
break;
case onicecandidate:
{
var c = msgJson["candidate"];
var sdpMLineIndex = (int)c["sdpMLineIndex"];
var sdpMid = c["sdpMid"].ToString();
var candidate = c["candidate"].ToString();
var session = Streams[context.ConnectionInfo.Id];
{
session.WebRtc.AddIceCandidate(sdpMid, sdpMLineIndex, candidate);
}
}
break;
}
}
}
