public void Clear()
{
SendVideoTrack?.Dispose();
SendVideoTrack = null;
offerPc?.Close();
offerPc?.Dispose();
offerPc = null;
answerPc?.Close();
answerPc?.Dispose();
answerPc = null;
SendTexture = null;
RecvTexture = null;
}
public void CreateDataChannel()
{
RTCConfiguration config = default;
config.iceServers = new[] { new RTCIceServer {
urls = new[] { "stun:stun.l.google.com:19302" }
} };
var peer = new RTCPeerConnection(ref config);
var option1 = new RTCDataChannelInit(true);
var channel1 = peer.CreateDataChannel("test1", ref option1);
Assert.AreEqual("test1", channel1.Label);
// It is return -1 when channel is not connected.
Assert.AreEqual(channel1.Id, -1);
channel1.Close();
peer.Close();
}
private void HangUp()
{
RemoveTracks();
_pc1.Close();
_pc2.Close();
Debug.Log("Close local/remote peer connection");
_pc1.Dispose();
_pc2.Dispose();
_pc1 = null;
_pc2 = null;
callButton.interactable = true;
hangUpButton.interactable = false;
bandwidthSelector.interactable = false;
bandwidthSelector.value = 0;
sourceImage.color = Color.black;
receiveImage.color = Color.black;
}
public IEnumerator SetRemoteDescriptionFailed()
{
var config = GetDefaultConfiguration();
var peer1 = new RTCPeerConnection(ref config);
var peer2 = new RTCPeerConnection(ref config);
var stream = new MediaStream();
var obj = new GameObject("audio");
var source = obj.AddComponent <AudioSource>();
source.clip = AudioClip.Create("test", 480, 2, 48000, false);
var track = new AudioStreamTrack(source);
var sender = peer1.AddTrack(track, stream);
var op1 = peer1.CreateOffer();
yield return(op1);
var desc = op1.Desc;
var op2 = peer1.SetLocalDescription(ref desc);
yield return(op2);
// change sdp to cannot parse
desc.sdp = desc.sdp.Replace("a=mid:0", "a=mid:10");
var op3 = peer2.SetRemoteDescription(ref desc);
yield return(op3);
Assert.True(op3.IsDone);
Assert.True(op3.IsError);
Assert.IsNotEmpty(op3.Error.message);
peer1.RemoveTrack(sender);
track.Dispose();
stream.Dispose();
peer1.Close();
peer2.Close();
peer1.Dispose();
peer2.Dispose();
Object.DestroyImmediate(source.clip);
Object.DestroyImmediate(obj);
}
public void Construct()
{
var peer = new RTCPeerConnection();
Assert.AreEqual(0, peer.GetReceivers().Count());
Assert.AreEqual(0, peer.GetSenders().Count());
Assert.AreEqual(0, peer.GetTransceivers().Count());
Assert.AreEqual(RTCPeerConnectionState.New, peer.ConnectionState);
Assert.That(() => peer.LocalDescription, Throws.InvalidOperationException);
Assert.That(() => peer.RemoteDescription, Throws.InvalidOperationException);
Assert.That(() => peer.PendingLocalDescription, Throws.InvalidOperationException);
Assert.That(() => peer.PendingRemoteDescription, Throws.InvalidOperationException);
Assert.That(() => peer.CurrentLocalDescription, Throws.InvalidOperationException);
Assert.That(() => peer.CurrentRemoteDescription, Throws.InvalidOperationException);
peer.Close();
Assert.AreEqual(RTCPeerConnectionState.Closed, peer.ConnectionState);
peer.Dispose();
}
private void HangUp()
{
RemoveTracks();
_pc1.Close();
_pc2.Close();
_pc1.Dispose();
_pc2.Dispose();
_pc1 = null;
_pc2 = null;
callButton.interactable = true;
hangUpButton.interactable = false;
codecSelector.interactable = true;
codecSelector.value = 0;
actualCodecText.text = string.Empty;
sourceImage.color = Color.black;
receiveImage.color = Color.black;
}
public IEnumerator RestartIceInvokeOnNegotiationNeeded()
{
RTCConfiguration config = default;
config.iceServers = new[] { new RTCIceServer {
urls = new[] { "stun:stun.l.google.com:19302" }
} };
var peer1 = new RTCPeerConnection(ref config);
var peer2 = new RTCPeerConnection(ref config);
peer1.OnIceCandidate = candidate => { peer2.AddIceCandidate(candidate); };
peer2.OnIceCandidate = candidate => { peer1.AddIceCandidate(candidate); };
AudioStreamTrack track = new AudioStreamTrack();
peer1.AddTrack(track);
yield return(SignalingOffer(peer1, peer2));
bool isInvokeOnNegotiationNeeded1 = false;
bool isInvokeOnNegotiationNeeded2 = false;
peer1.OnNegotiationNeeded = () => isInvokeOnNegotiationNeeded1 = true;
peer2.OnNegotiationNeeded = () => isInvokeOnNegotiationNeeded2 = true;
peer1.RestartIce();
var op9 = new WaitUntilWithTimeout(() => isInvokeOnNegotiationNeeded1, 5000);
yield return(op9);
Assert.That(op9.IsCompleted, Is.True);
peer2.RestartIce();
var op10 = new WaitUntilWithTimeout(() => isInvokeOnNegotiationNeeded2, 5000);
yield return(op10);
Assert.That(op10.IsCompleted, Is.True);
track.Dispose();
peer1.Close();
peer2.Close();
}
private void HangUp()
{
foreach (var image in receiveImages.Concat(sourceImages))
{
image.texture = null;
DestroyImmediate(image.gameObject);
}
receiveImages.Clear();
sourceImages.Clear();
foreach (var cam in cameras)
{
DestroyImmediate(cam.gameObject);
}
cameras.Clear();
foreach (var track in videoStreamTrackList)
{
track.Dispose();
}
videoStreamTrackList.Clear();
sendingSenderList.Clear();
_pc1.Close();
_pc2.Close();
Debug.Log("Close local/remote peer connection");
_pc1.Dispose();
_pc2.Dispose();
_pc1 = null;
_pc2 = null;
videoIndex = 0;
objectIndex = 0;
widthInput.interactable = true;
heightInput.interactable = true;
callButton.interactable = true;
hangUpButton.interactable = false;
addVideoObjectButton.interactable = false;
addTracksButton.interactable = false;
}
public void GetConfiguration()
{
var config = GetDefaultConfiguration();
var peer = new RTCPeerConnection(ref config);
var config2 = peer.GetConfiguration();
Assert.NotNull(config.iceServers);
Assert.NotNull(config2.iceServers);
Assert.AreEqual(config.iceServers.Length, config2.iceServers.Length);
Assert.AreEqual(config.iceServers[0].username, config2.iceServers[0].username);
Assert.AreEqual(config.iceServers[0].credential, config2.iceServers[0].credential);
Assert.AreEqual(config.iceServers[0].urls, config2.iceServers[0].urls);
Assert.AreEqual(config.iceTransportPolicy, config2.iceTransportPolicy);
Assert.AreEqual(config.iceCandidatePoolSize, config2.iceCandidatePoolSize);
Assert.AreEqual(config.bundlePolicy, config2.bundlePolicy);
peer.Close();
peer.Dispose();
}
private void HangUp()
{
videoStream.Dispose();
receiveStream.Dispose();
videoStream = null;
receiveStream = null;
_pc1.Close();
_pc2.Close();
Debug.Log("Close local/remote peer connection");
_pc1.Dispose();
_pc2.Dispose();
_pc1 = null;
_pc2 = null;
receiveImage.texture = null;
callButton.interactable = true;
hangUpButton.interactable = false;
addTracksButton.interactable = false;
removeTracksButton.interactable = false;
}
private static Task <RTCPeerConnection> CreatePeerConnection()
{
RTCConfiguration config = new RTCConfiguration
{
iceServers = new List <RTCIceServer> {
new RTCIceServer {
urls = STUN_URL
}
}
};
var pc = new RTCPeerConnection(config);
var dc = pc.createDataChannel("test", null);
dc.onopen += () => logger.LogDebug($"Data channel {dc.label} opened.");
dc.onclose += () => logger.LogDebug($"Data channel {dc.label} closed.");
dc.onmessage += async(msg) =>
{
logger.LogInformation($"Data channel message received: {msg}.");
await dc.sendasync($"echo: {msg}");
};
pc.onconnectionstatechange += (state) =>
{
logger.LogDebug($"Peer connection state change to {state}.");
if (state == RTCPeerConnectionState.failed)
{
pc.Close("ice disconnection");
}
};
// Diagnostics.
pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
pc.OnSendReport += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");
return(Task.FromResult(pc));
}
private void DoProcessMessage(Message message)
{
switch (message.type)
{
case "Offer":
// var offer = JsonUtility.FromJson<RTCSessionDescriptionInit>(message.args);
if (RTCSessionDescriptionInit.TryParse(message.args, out RTCSessionDescriptionInit offer))
{
Debug.Log($"Got remote SDP, type {offer.type}");
var result = rtcPeerConnection.setRemoteDescription(offer);
if (result != SetDescriptionResultEnum.OK)
{
Debug.Log($"Failed to set remote description, {result}.");
rtcPeerConnection.Close("Failed to set remote description");
}
else
{
if (rtcPeerConnection.signalingState == RTCSignalingState.have_remote_offer)
{
var answerSdp = rtcPeerConnection.createAnswer();
rtcPeerConnection.setLocalDescription(answerSdp);
Debug.Log($"Sending SDP answer");
Send("Offer", answerSdp.toJSON());
}
}
}
break;
case "IceCandidate":
if (RTCIceCandidateInit.TryParse(message.args, out RTCIceCandidateInit candidate))
{
Debug.Log($"Got remote Ice Candidate, uri {candidate.candidate}");
rtcPeerConnection.addIceCandidate(candidate);
}
break;
}
}
public IEnumerator SetRemoteDescriptionFailed()
{
var config = GetConfiguration();
var peer1 = new RTCPeerConnection(ref config);
var peer2 = new RTCPeerConnection(ref config);
var stream = new MediaStream();
var track = new AudioStreamTrack("audio");
var sender = peer1.AddTrack(track, stream);
RTCOfferOptions options1 = default;
var op1 = peer1.CreateOffer(ref options1);
yield return(op1);
var desc = op1.Desc;
var op2 = peer1.SetLocalDescription(ref desc);
yield return(op2);
// change sdp to cannot parse
desc.sdp = desc.sdp.Replace("m=audio", "m=audiable");
var op3 = peer2.SetRemoteDescription(ref desc);
yield return(op3);
Assert.True(op3.IsDone);
Assert.True(op3.IsError);
Assert.IsNotEmpty(op3.Error.message);
peer1.RemoveTrack(sender);
track.Dispose();
stream.Dispose();
peer1.Close();
peer2.Close();
peer1.Dispose();
peer2.Dispose();
}
public void GetConfiguration()
{
var config = GetDefaultConfiguration();
var peer = new RTCPeerConnection(ref config);
var config2 = peer.GetConfiguration();
Assert.That(config.iceServers, Is.Not.Null);
Assert.That(config2.iceServers, Is.Not.Null);
Assert.That(config.iceServers.Length, Is.EqualTo(config2.iceServers.Length));
Assert.That(config.iceServers[0].username, Is.EqualTo(config2.iceServers[0].username));
Assert.That(config.iceServers[0].credential, Is.EqualTo(config2.iceServers[0].credential));
Assert.That(config.iceServers[0].urls, Is.EqualTo(config2.iceServers[0].urls));
Assert.That(config.iceTransportPolicy, Is.EqualTo(RTCIceTransportPolicy.All));
Assert.That(config.iceTransportPolicy, Is.EqualTo(config2.iceTransportPolicy));
Assert.That(config.enableDtlsSrtp, Is.Null);
Assert.That(config.enableDtlsSrtp, Is.EqualTo(config2.enableDtlsSrtp));
Assert.That(config.iceCandidatePoolSize, Is.EqualTo(config2.iceCandidatePoolSize));
Assert.That(config.bundlePolicy, Is.EqualTo(config2.bundlePolicy));
peer.Close();
peer.Dispose();
}
public void CreateDataChannelFailed()
{
RTCConfiguration config = default;
config.iceServers = new[] { new RTCIceServer {
urls = new[] { "stun:stun.l.google.com:19302" }
} };
var peer = new RTCPeerConnection(ref config);
// Cannot be set along with "maxRetransmits" and "maxPacketLifeTime"
var options = new RTCDataChannelInit
{
id = 231,
maxRetransmits = 1,
maxPacketLifeTime = 1,
negotiated = false,
ordered = false,
protocol = ""
};
Assert.Throws <ArgumentException>(() => peer.CreateDataChannel("test1", options));
peer.Close();
}
RTCPeerConnection CreatePeerConnection(ISignaling signaling, string connectionId, bool isOffer)
{
if (m_mapConnectionIdAndPeer.TryGetValue(connectionId, out var peer))
{
peer.Close();
}
var pc = new RTCPeerConnection();
m_mapConnectionIdAndPeer[connectionId] = pc;
pc.OnDataChannel = new DelegateOnDataChannel(channel => { OnDataChannel(pc, channel); });
pc.SetConfiguration(ref m_conf);
pc.OnIceCandidate = new DelegateOnIceCandidate(candidate =>
{
signaling.SendCandidate(connectionId, candidate);
});
pc.OnIceConnectionChange = new DelegateOnIceConnectionChange(state =>
{
if (state == RTCIceConnectionState.Disconnected)
{
pc.Close();
m_mapConnectionIdAndPeer.Remove(connectionId);
}
});
pc.OnTrack = trackEvent =>
{
foreach (var viewer in m_listVideoReceiveViewer)
{
viewer.AddTrack(connectionId, trackEvent.Track);
}
};
pc.OnNegotiationNeeded = () => StartCoroutine(OnNegotiationNeeded(signaling, connectionId, isOffer));
return(pc);
}
public IEnumerator CreateAnswer()
{
var config = GetConfiguration();
var peer1 = new RTCPeerConnection(ref config);
var peer2 = new RTCPeerConnection(ref config);
var conf = new RTCDataChannelInit(true);
peer1.CreateDataChannel("data", ref conf);
RTCOfferOptions options1 = default;
RTCAnswerOptions options2 = default;
var op1 = peer1.CreateOffer(ref options1);
yield return(op1);
var desc = op1.Desc;
var op2 = peer1.SetLocalDescription(ref desc);
yield return(op2);
var op3 = peer2.SetRemoteDescription(ref desc);
yield return(op3);
var op4 = peer2.CreateAnswer(ref options2);
yield return(op4);
Assert.True(op4.IsDone);
Assert.False(op4.IsError);
peer1.Close();
peer2.Close();
peer1.Dispose();
peer2.Dispose();
}
public IEnumerator SetLocalDescriptionFailed()
{
var peer = new RTCPeerConnection();
var stream = new MediaStream();
var obj = new GameObject("audio");
var source = obj.AddComponent <AudioSource>();
source.clip = AudioClip.Create("test", 480, 2, 48000, false);
var track = new AudioStreamTrack(source);
var sender = peer.AddTrack(track, stream);
var op = peer.CreateOffer();
yield return(op);
Assert.True(op.IsDone);
Assert.False(op.IsError);
var desc = op.Desc;
// change sdp to cannot parse
desc.sdp = desc.sdp.Replace("a=mid:0", "a=mid:10");
var op2 = peer.SetLocalDescription(ref desc);
yield return(op2);
Assert.True(op2.IsDone);
Assert.True(op2.IsError);
Assert.IsNotEmpty(op2.Error.message);
Assert.That(peer.RemoveTrack(sender), Is.EqualTo(RTCErrorType.None));
track.Dispose();
stream.Dispose();
peer.Close();
peer.Dispose();
Object.DestroyImmediate(source.clip);
Object.DestroyImmediate(obj);
}
protected override void OnClose(CloseEventArgs e)
{
base.OnClose(e);
PeerConnection.Close("remote party close");
}
private RTCPeerConnection Createpc()
{
List <RTCCertificate> presetCertificates = null;
if (File.Exists(LOCALHOST_CERTIFICATE_PATH))
{
var localhostCert = new X509Certificate2(LOCALHOST_CERTIFICATE_PATH, (string)null, X509KeyStorageFlags.Exportable);
presetCertificates = new List <RTCCertificate> {
new RTCCertificate {
Certificate = localhostCert
}
};
}
RTCConfiguration pcConfiguration = new RTCConfiguration
{
certificates = presetCertificates,
};
var pc = new RTCPeerConnection(pcConfiguration);
pc.GetRtpChannel().MdnsResolve = MdnsResolve;
//pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isrelay) => logger.LogDebug($"{_peerName}: STUN message received from {ep}, message class {msg.Header.MessageClass}.");
var dataChannel = pc.createDataChannel(_dataChannelLabel, null);
dataChannel.onDatamessage -= DataChannel_onDatamessage;
dataChannel.onDatamessage += DataChannel_onDatamessage;
_dataChannels.Add(_dataChannelLabel, dataChannel);
pc.onicecandidateerror += (candidate, error) => logger.LogWarning($"{_peerName}: Error adding remote ICE candidate. {error} {candidate}");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"{_peerName}: ICE connection state change to {state}.");
pc.onconnectionstatechange += (state) =>
{
logger.LogDebug($"{_peerName}: Peer connection state changed to {state}.");
if (state == RTCPeerConnectionState.disconnected || state == RTCPeerConnectionState.failed)
{
pc.Close("remote disconnection");
}
};
pc.onicecandidate += (candidate) =>
{
if (pc.signalingState == RTCSignalingState.have_local_offer ||
pc.signalingState == RTCSignalingState.have_remote_offer)
{
OnIceCandidateAvailable?.Invoke(new RTCIceCandidateInit()
{
candidate = candidate.ToString(),
sdpMid = candidate.sdpMid,
sdpMLineIndex = candidate.sdpMLineIndex
});
}
};
pc.ondatachannel += (dc) =>
{
dc.onopen += () => logger.LogDebug($"{_peerName}: Data channel now open label {dc.label}, stream ID {dc.id}.");
dc.onDatamessage -= DataChannel_onDatamessage;
dc.onDatamessage += DataChannel_onDatamessage;
logger.LogDebug($"{_peerName}: Data channel created by remote peer, label {dc.label}, stream ID {dc.id}.");
_dataChannels.Add(dc.label, dc);
};
return(pc);
}
private static async Task <RTCPeerConnection> CreatePeerConnection()
{
RTCConfiguration config = new RTCConfiguration
{
iceServers = new List <RTCIceServer> {
new RTCIceServer {
urls = STUN_URL
}
}
};
var pc = new RTCPeerConnection(config);
WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(new VpxVideoEncoder(), WEBCAM_NAME);
//WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(new FFmpegVideoEncoder(), WEBCAM_NAME);
//WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(WEBCAM_NAME, 1920, 1080, 30);
//winVideoEP.RestrictFormats(x => x.Codec == SIPSorceryMedia.Abstractions.V1.VideoCodecsEnum.H264);
bool initResult = await winVideoEP.InitialiseVideoSourceDevice();
if (!initResult)
{
throw new ApplicationException("Could not initialise video capture device.");
}
var audioSource = new AudioExtrasSource(new AudioEncoder(), new AudioSourceOptions {
AudioSource = AudioSourcesEnum.Music
});
MediaStreamTrack videoTrack = new MediaStreamTrack(winVideoEP.GetVideoSourceFormats(), MediaStreamStatusEnum.SendRecv);
pc.addTrack(videoTrack);
MediaStreamTrack audioTrack = new MediaStreamTrack(audioSource.GetAudioSourceFormats(), MediaStreamStatusEnum.SendRecv);
pc.addTrack(audioTrack);
winVideoEP.OnVideoSourceEncodedSample += pc.SendVideo;
audioSource.OnAudioSourceEncodedSample += pc.SendAudio;
pc.OnVideoFormatsNegotiated += (videoFormats) =>
winVideoEP.SetVideoSourceFormat(videoFormats.First());
pc.OnAudioFormatsNegotiated += (audioFormats) =>
audioSource.SetAudioSourceFormat(audioFormats.First());
pc.onconnectionstatechange += async(state) =>
{
logger.LogDebug($"Peer connection state change to {state}.");
if (state == RTCPeerConnectionState.connected)
{
await audioSource.StartAudio();
await winVideoEP.StartVideo();
}
else if (state == RTCPeerConnectionState.failed)
{
pc.Close("ice disconnection");
}
else if (state == RTCPeerConnectionState.closed)
{
await winVideoEP.CloseVideo();
await audioSource.CloseAudio();
}
};
// Diagnostics.
pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
pc.OnSendReport += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");
return(pc);
}
public async Task <RTCSessionDescriptionInit> GotOffer(RTCSessionDescriptionInit offer)
{
_logger.LogDebug($"SDP offer received.");
_logger.LogTrace($"Offer SDP:\n{offer.sdp}");
var pc = new RTCPeerConnection();
if (_publicIPv4 != null)
{
var rtpPort = pc.GetRtpChannel().RTPPort;
var publicIPv4Candidate = new RTCIceCandidate(RTCIceProtocol.udp, _publicIPv4, (ushort)rtpPort, RTCIceCandidateType.host);
pc.addLocalIceCandidate(publicIPv4Candidate);
}
if (_publicIPv6 != null)
{
var rtpPort = pc.GetRtpChannel().RTPPort;
var publicIPv6Candidate = new RTCIceCandidate(RTCIceProtocol.udp, _publicIPv6, (ushort)rtpPort, RTCIceCandidateType.host);
pc.addLocalIceCandidate(publicIPv6Candidate);
}
MediaStreamTrack audioTrack = new MediaStreamTrack(SDPMediaTypesEnum.audio, false,
new List <SDPAudioVideoMediaFormat> {
new SDPAudioVideoMediaFormat(SDPWellKnownMediaFormatsEnum.PCMU)
}, MediaStreamStatusEnum.SendRecv);
pc.addTrack(audioTrack);
MediaStreamTrack videoTrack = new MediaStreamTrack(new VideoFormat(VideoCodecsEnum.VP8, VP8_PAYLOAD_ID), MediaStreamStatusEnum.SendRecv);
pc.addTrack(videoTrack);
pc.OnRtpPacketReceived += (IPEndPoint rep, SDPMediaTypesEnum media, RTPPacket rtpPkt) =>
{
pc.SendRtpRaw(media, rtpPkt.Payload, rtpPkt.Header.Timestamp, rtpPkt.Header.MarkerBit, rtpPkt.Header.PayloadType);
//_logger.LogDebug($"RTP {media} pkt received, SSRC {rtpPkt.Header.SyncSource}, SeqNum {rtpPkt.Header.SequenceNumber}.");
};
//peerConnection.OnReceiveReport += RtpSession_OnReceiveReport;
//peerConnection.OnSendReport += RtpSession_OnSendReport;
pc.OnTimeout += (mediaType) => _logger.LogWarning($"Timeout for {mediaType}.");
pc.onconnectionstatechange += (state) =>
{
_logger.LogDebug($"Peer connection state changed to {state}.");
if (state == RTCPeerConnectionState.failed)
{
pc.Close("ice failure");
}
};
var setResult = pc.setRemoteDescription(offer);
if (setResult == SetDescriptionResultEnum.OK)
{
var offerSdp = pc.createOffer(null);
await pc.setLocalDescription(offerSdp);
var answer = pc.createAnswer(null);
await pc.setLocalDescription(answer);
_logger.LogTrace($"Answer SDP:\n{answer.sdp}");
return(answer);
}
else
{
return(null);
}
}
private static RTCPeerConnection CreatePeerConnection()
{
RTCConfiguration config = new RTCConfiguration
{
iceServers = new List <RTCIceServer> {
new RTCIceServer {
urls = STUN_URL
}
}
};
var pc = new RTCPeerConnection(config);
var testPatternSource = new VideoTestPatternSource();
WindowsVideoEndPoint windowsVideoEndPoint = new WindowsVideoEndPoint(true);
var audioSource = new AudioExtrasSource(new AudioEncoder(), new AudioSourceOptions {
AudioSource = AudioSourcesEnum.Music
});
MediaStreamTrack videoTrack = new MediaStreamTrack(windowsVideoEndPoint.GetVideoSourceFormats(), MediaStreamStatusEnum.SendRecv);
pc.addTrack(videoTrack);
MediaStreamTrack audioTrack = new MediaStreamTrack(audioSource.GetAudioSourceFormats(), MediaStreamStatusEnum.SendRecv);
pc.addTrack(audioTrack);
testPatternSource.OnVideoSourceRawSample += windowsVideoEndPoint.ExternalVideoSourceRawSample;
windowsVideoEndPoint.OnVideoSourceEncodedSample += pc.SendVideo;
audioSource.OnAudioSourceEncodedSample += pc.SendAudio;
pc.OnVideoFormatsNegotiated += (sdpFormat) =>
windowsVideoEndPoint.SetVideoSourceFormat(SDPMediaFormatInfo.GetVideoCodecForSdpFormat(sdpFormat.First().FormatCodec));
pc.onconnectionstatechange += async(state) =>
{
logger.LogDebug($"Peer connection state change to {state}.");
if (state == RTCPeerConnectionState.connected)
{
await audioSource.StartAudio();
await windowsVideoEndPoint.StartVideo();
await testPatternSource.StartVideo();
}
else if (state == RTCPeerConnectionState.failed)
{
pc.Close("ice disconnection");
}
else if (state == RTCPeerConnectionState.closed)
{
await testPatternSource.CloseVideo();
await windowsVideoEndPoint.CloseVideo();
await audioSource.CloseAudio();
}
};
// Diagnostics.
pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
pc.OnSendReport += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");
return(pc);
}
static async Task Main()
{
Console.WriteLine("SIPSorcery sip.js Demo");
AddConsoleLogger();
var sipTransport = new SIPTransport();
EnableTraceLogs(sipTransport);
var sipChannel = new SIPWebSocketChannel(IPAddress.Loopback, 80);
var wssCertificate = new System.Security.Cryptography.X509Certificates.X509Certificate2("localhost.pfx");
var sipChannelSecure = new SIPWebSocketChannel(IPAddress.Loopback, 443, wssCertificate);
sipTransport.AddSIPChannel(sipChannel);
sipTransport.AddSIPChannel(sipChannelSecure);
var userAgent = new SIPUserAgent(sipTransport, null, true);
userAgent.OnIncomingCall += async(ua, req) =>
{
Log.LogDebug($"Auto-answering incoming call from {req.Header.From}.");
var uas = userAgent.AcceptCall(req);
RTCConfiguration pcConfiguration = new RTCConfiguration
{
certificates = new List <RTCCertificate>
{
new RTCCertificate
{
X_CertificatePath = DTLS_CERTIFICATE_PATH,
X_KeyPath = DTLS_KEY_PATH,
X_Fingerprint = DTLS_CERTIFICATE_FINGERPRINT
}
},
//X_RemoteSignallingAddress = context.UserEndPoint.Address,
//iceServers = new List<RTCIceServer> { new RTCIceServer { urls = SIPSORCERY_STUN_SERVER } }
};
var peerConnection = new RTCPeerConnection(pcConfiguration);
var dtls = new DtlsHandshake(DTLS_CERTIFICATE_PATH, DTLS_KEY_PATH);
peerConnection.OnTimeout += (mediaType) =>
{
peerConnection.Close("remote timeout");
};
peerConnection.oniceconnectionstatechange += async(state) =>
{
Log.LogDebug($"ICE connection state change to {state}.");
if (state == RTCIceConnectionState.connected)
{
var remoteEndPoint = peerConnection.AudioDestinationEndPoint;
Log.LogInformation($"ICE connected to remote end point {remoteEndPoint}.");
await Task.Run(() => DoDtlsHandshake(peerConnection, dtls))
.ContinueWith((dtlsResult) =>
{
Log.LogDebug($"dtls handshake result {dtlsResult.Result}.");
if (dtlsResult.Result)
{
var remoteEP = peerConnection.AudioDestinationEndPoint;
peerConnection.SetDestination(SDPMediaTypesEnum.audio, remoteEP, remoteEP);
}
else
{
dtls.Shutdown();
peerConnection.Close("dtls handshake failed.");
}
});
}
};
peerConnection.onconnectionstatechange += (state) =>
{
if (state == RTCPeerConnectionState.connected)
{
var remoteEP = peerConnection.AudioDestinationEndPoint;
Log.LogDebug($"DTLS connected on {remoteEP}.");
peerConnection.SetDestination(SDPMediaTypesEnum.audio, remoteEP, remoteEP);
peerConnection.SetDestination(SDPMediaTypesEnum.video, remoteEP, remoteEP);
peerConnection.OnReceiveReport += RtpSession_OnReceiveReport;
peerConnection.OnSendReport += RtpSession_OnSendReport;
// peerConnection.OnRtpPacketReceived += OnRtpPacketReceived;
}
};
MediaStreamTrack audioTrack = new MediaStreamTrack(SDPMediaTypesEnum.audio, false, new List <SDPMediaFormat> {
new SDPMediaFormat(SDPMediaFormatsEnum.PCMU)
}, MediaStreamStatusEnum.SendRecv);
peerConnection.addTrack(audioTrack);
//MediaStreamTrack videoTrack = new MediaStreamTrack("1", SDPMediaTypesEnum.video, false, new List<SDPMediaFormat> { new SDPMediaFormat(SDPMediaFormatsEnum.VP8) }, MediaStreamStatusEnum.Inactive);
//peerConnection.addTrack(videoTrack);
var answerResult = await userAgent.Answer(uas, peerConnection);
};
Console.Write("press any key to exit...");
Console.Read();
sipTransport.Shutdown();
}
public IEnumerator IceConnectionStateChange()
{
RTCConfiguration config = default;
config.iceServers = new[] { new RTCIceServer {
urls = new[] { "stun:stun.l.google.com:19302" }
} };
var peer1 = new RTCPeerConnection(ref config);
var peer2 = new RTCPeerConnection(ref config);
peer1.OnIceCandidate = candidate => { peer2.AddIceCandidate(ref candidate); };
peer2.OnIceCandidate = candidate => { peer1.AddIceCandidate(ref candidate); };
MediaStream stream = Audio.CaptureStream();
peer1.AddTrack(stream.GetTracks().First());
RTCOfferOptions options1 = default;
RTCAnswerOptions options2 = default;
var op1 = peer1.CreateOffer(ref options1);
yield return(op1);
var desc = op1.Desc;
var op2 = peer1.SetLocalDescription(ref desc);
yield return(op2);
var op3 = peer2.SetRemoteDescription(ref desc);
yield return(op3);
var op4 = peer2.CreateAnswer(ref options2);
yield return(op4);
desc = op4.Desc;
var op5 = peer2.SetLocalDescription(ref desc);
yield return(op5);
var op6 = peer1.SetRemoteDescription(ref desc);
yield return(op6);
var op7 = new WaitUntilWithTimeout(
() => peer1.IceConnectionState == RTCIceConnectionState.Connected ||
peer1.IceConnectionState == RTCIceConnectionState.Completed, 5000);
yield return(op7);
Assert.True(op7.IsCompleted);
var op8 = new WaitUntilWithTimeout(
() => peer2.IceConnectionState == RTCIceConnectionState.Connected ||
peer2.IceConnectionState == RTCIceConnectionState.Completed, 5000);
yield return(op8);
Assert.True(op8.IsCompleted);
stream.Dispose();
peer1.Close();
peer2.Close();
}
void OnOffer(ISignaling signaling, DescData e)
{
RTCSessionDescription _desc;
_desc.type = RTCSdpType.Offer;
_desc.sdp = e.sdp;
var connectionId = e.connectionId;
if (m_mapConnectionIdAndPeer.ContainsKey(connectionId))
{
return;
}
var pc = new RTCPeerConnection();
m_mapConnectionIdAndPeer.Add(e.connectionId, pc);
pc.OnDataChannel = new DelegateOnDataChannel(channel => { OnDataChannel(pc, channel); });
pc.SetConfiguration(ref m_conf);
pc.OnIceCandidate = new DelegateOnIceCandidate(candidate =>
{
signaling.SendCandidate(e.connectionId, candidate);
});
pc.OnIceConnectionChange = new DelegateOnIceConnectionChange(state =>
{
if (state == RTCIceConnectionState.Disconnected)
{
pc.Close();
m_mapConnectionIdAndPeer.Remove(e.connectionId);
}
});
//make video bit rate starts at 16000kbits, and 160000kbits at max.
string pattern = @"(a=fmtp:\d+ .*level-asymmetry-allowed=.*)\r\n";
_desc.sdp = Regex.Replace(_desc.sdp, pattern, "$1;x-google-start-bitrate=16000;x-google-max-bitrate=160000\r\n");
pc.SetRemoteDescription(ref _desc);
foreach (var track in m_listVideoStreamTrack)
{
pc.AddTrack(track);
}
foreach (var track in m_audioStream.GetTracks())
{
pc.AddTrack(track);
}
RTCAnswerOptions options = default;
var op = pc.CreateAnswer(ref options);
while (op.MoveNext())
{
}
if (op.IsError)
{
Debug.LogError($"Network Error: {op.Error}");
return;
}
var desc = op.Desc;
var opLocalDesc = pc.SetLocalDescription(ref desc);
while (opLocalDesc.MoveNext())
{
}
if (opLocalDesc.IsError)
{
Debug.LogError($"Network Error: {opLocalDesc.Error}");
return;
}
signaling.SendAnswer(connectionId, desc);
}
private static Task <RTCPeerConnection> CreatePeerConnection()
{
//var videoEP = new SIPSorceryMedia.Windows.WindowsVideoEndPoint(new VpxVideoEncoder());
//videoEP.RestrictFormats(format => format.Codec == VideoCodecsEnum.VP8);
var videoEP = new SIPSorceryMedia.Windows.WindowsVideoEndPoint(new FFmpegVideoEncoder());
videoEP.RestrictFormats(format => format.Codec == VideoCodecsEnum.H264);
videoEP.OnVideoSinkDecodedSample += (byte[] bmp, uint width, uint height, int stride, VideoPixelFormatsEnum pixelFormat) =>
{
_form.BeginInvoke(new Action(() =>
{
unsafe
{
if (_picBox.Width != (int)width || _picBox.Height != (int)height)
{
logger.LogDebug($"Adjusting video display from {_picBox.Width}x{_picBox.Height} to {width}x{height}.");
_picBox.Width = (int)width;
_picBox.Height = (int)height;
}
fixed(byte *s = bmp)
{
Bitmap bmpImage = new Bitmap((int)width, (int)height, (int)(bmp.Length / height), PixelFormat.Format24bppRgb, (IntPtr)s);
_picBox.Image = bmpImage;
}
}
}));
};
RTCConfiguration config = new RTCConfiguration
{
//iceServers = new List<RTCIceServer> { new RTCIceServer { urls = STUN_URL } }
X_UseRtpFeedbackProfile = true
};
var pc = new RTCPeerConnection(config);
// Add local receive only tracks. This ensures that the SDP answer includes only the codecs we support.
if (!_options.NoAudio)
{
MediaStreamTrack audioTrack = new MediaStreamTrack(SDPMediaTypesEnum.audio, false,
new List <SDPAudioVideoMediaFormat> {
new SDPAudioVideoMediaFormat(SDPWellKnownMediaFormatsEnum.PCMU)
}, MediaStreamStatusEnum.RecvOnly);
pc.addTrack(audioTrack);
}
MediaStreamTrack videoTrack = new MediaStreamTrack(videoEP.GetVideoSinkFormats(), MediaStreamStatusEnum.RecvOnly);
//MediaStreamTrack videoTrack = new MediaStreamTrack(new VideoFormat(96, "VP8", 90000, "x-google-max-bitrate=5000000"), MediaStreamStatusEnum.RecvOnly);
pc.addTrack(videoTrack);
pc.OnVideoFrameReceived += videoEP.GotVideoFrame;
pc.OnVideoFormatsNegotiated += (formats) => videoEP.SetVideoSinkFormat(formats.First());
pc.onconnectionstatechange += async(state) =>
{
logger.LogDebug($"Peer connection state change to {state}.");
if (state == RTCPeerConnectionState.failed)
{
pc.Close("ice disconnection");
}
else if (state == RTCPeerConnectionState.closed)
{
await videoEP.CloseVideo();
}
};
// Diagnostics.
//pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
pc.OnSendReport += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
//pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"RECV STUN {msg.Header.MessageType} (txid: {msg.Header.TransactionId.HexStr()}) from {ep}.");
//pc.GetRtpChannel().OnStunMessageSent += (msg, ep, isRelay) => logger.LogDebug($"SEND STUN {msg.Header.MessageType} (txid: {msg.Header.TransactionId.HexStr()}) to {ep}.");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");
return(Task.FromResult(pc));
}
private static Task <RTCPeerConnection> CreatePeerConnection(X509Certificate2 cert)
{
//RTCConfiguration config = new RTCConfiguration
//{
// iceServers = new List<RTCIceServer> { new RTCIceServer { urls = STUN_URL } },
// certificates = new List<RTCCertificate> { new RTCCertificate { Certificate = cert } }
//};
//var pc = new RTCPeerConnection(config);
var pc = new RTCPeerConnection(null);
//var testPatternSource = new VideoTestPatternSource(new SIPSorceryMedia.Encoders.VideoEncoder());
var testPatternSource = new VideoTestPatternSource(new FFmpegVideoEncoder());
testPatternSource.SetFrameRate(60);
//testPatternSource.SetMaxFrameRate(true);
//var videoEndPoint = new SIPSorceryMedia.FFmpeg.FFmpegVideoEndPoint();
//videoEndPoint.RestrictFormats(format => format.Codec == VideoCodecsEnum.H264);
//testPatternSource.RestrictFormats(format => format.Codec == VideoCodecsEnum.H264);
//var videoEndPoint = new SIPSorceryMedia.Windows.WindowsEncoderEndPoint();
//var videoEndPoint = new SIPSorceryMedia.Encoders.VideoEncoderEndPoint();
MediaStreamTrack track = new MediaStreamTrack(testPatternSource.GetVideoSourceFormats(), MediaStreamStatusEnum.SendOnly);
pc.addTrack(track);
//testPatternSource.OnVideoSourceRawSample += videoEndPoint.ExternalVideoSourceRawSample;
testPatternSource.OnVideoSourceRawSample += MesasureTestPatternSourceFrameRate;
testPatternSource.OnVideoSourceEncodedSample += pc.SendVideo;
pc.OnVideoFormatsNegotiated += (formats) => testPatternSource.SetVideoSourceFormat(formats.First());
pc.onconnectionstatechange += async(state) =>
{
logger.LogDebug($"Peer connection state change to {state}.");
if (state == RTCPeerConnectionState.failed)
{
pc.Close("ice disconnection");
}
else if (state == RTCPeerConnectionState.closed)
{
await testPatternSource.CloseVideo();
await testPatternSource.CloseVideo();
testPatternSource.Dispose();
}
else if (state == RTCPeerConnectionState.connected)
{
await testPatternSource.StartVideo();
await testPatternSource.StartVideo();
}
};
// Diagnostics.
//pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
//pc.OnSendReport += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
//pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");
pc.onsignalingstatechange += () =>
{
if (pc.signalingState == RTCSignalingState.have_remote_offer)
{
logger.LogDebug(pc.RemoteDescription.ToString());
}
};
return(Task.FromResult(pc));
}
public async Task <RTCSessionDescriptionInit> GetOffer(string id)
{
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentNullException("id", "A unique ID parameter must be supplied when creating a new peer connection.");
}
else if (_peerConnections.ContainsKey(id))
{
throw new ArgumentNullException("id", "The specified peer connection ID is already in use.");
}
RTCConfiguration pcConfiguration = new RTCConfiguration
{
certificates = new List <RTCCertificate>
{
new RTCCertificate
{
X_CertificatePath = DTLS_CERTIFICATE_PATH,
X_KeyPath = DTLS_KEY_PATH,
X_Fingerprint = DTLS_CERTIFICATE_FINGERPRINT
}
}
};
var peerConnection = new RTCPeerConnection(pcConfiguration);
var dtls = new DtlsHandshake(DTLS_CERTIFICATE_PATH, DTLS_KEY_PATH);
MediaStreamTrack audioTrack = new MediaStreamTrack("0", SDPMediaTypesEnum.audio, false, new List <SDPMediaFormat> {
new SDPMediaFormat(SDPMediaFormatsEnum.PCMU)
}, MediaStreamStatusEnum.RecvOnly);
peerConnection.addTrack(audioTrack);
//peerConnection.OnRtpPacketReceived += (SDPMediaTypesEnum media, RTPPacket rtpPkt) => _logger.LogDebug($"RTP {media} pkt received, SSRC {rtpPkt.Header.SyncSource}, SeqNum {rtpPkt.Header.SequenceNumber}.");
//peerConnection.OnReceiveReport += RtpSession_OnReceiveReport;
//peerConnection.OnSendReport += RtpSession_OnSendReport;
peerConnection.OnTimeout += (mediaType) =>
{
peerConnection.Close("remote timeout");
dtls.Shutdown();
};
peerConnection.onconnectionstatechange += (state) =>
{
if (state == RTCPeerConnectionState.closed || state == RTCPeerConnectionState.disconnected || state == RTCPeerConnectionState.failed)
{
//peerConnection.OnReceiveReport -= RtpSession_OnReceiveReport;
//peerConnection.OnSendReport -= RtpSession_OnSendReport;
_logger.LogDebug($"Peer connection {id} closed.");
_peerConnections.TryRemove(id, out _);
}
else if (state == RTCPeerConnectionState.connected)
{
_logger.LogDebug("Peer connection connected.");
}
};
_ = Task <bool> .Run(() => Task.FromResult(DoDtlsHandshake(peerConnection, dtls)))
.ContinueWith((t) =>
{
_logger.LogDebug($"dtls handshake result {t.Result}.");
if (t.Result)
{
var remoteEP = peerConnection.IceSession.ConnectedRemoteEndPoint;
peerConnection.SetDestination(SDPMediaTypesEnum.audio, remoteEP, remoteEP);
}
else
{
dtls.Shutdown();
peerConnection.Close("dtls handshake failed.");
}
});
var offerSdp = await peerConnection.createOffer(null);
await peerConnection.setLocalDescription(offerSdp);
_peerConnections.TryAdd(id, peerConnection);
return(offerSdp);
}
void OnOffer(ISignaling signaling, DescData e)
{
RTCSessionDescription _desc;
_desc.type = RTCSdpType.Offer;
_desc.sdp = e.sdp;
var connectionId = e.connectionId;
if (m_mapConnectionIdAndPeer.ContainsKey(connectionId))
{
return;
}
var pc = new RTCPeerConnection();
m_mapConnectionIdAndPeer.Add(e.connectionId, pc);
pc.OnDataChannel = new DelegateOnDataChannel(channel => { OnDataChannel(pc, channel); });
pc.SetConfiguration(ref m_conf);
pc.OnIceCandidate = new DelegateOnIceCandidate(candidate =>
{
signaling.SendCandidate(e.connectionId, candidate);
});
pc.OnIceConnectionChange = new DelegateOnIceConnectionChange(state =>
{
if (state == RTCIceConnectionState.Disconnected)
{
pc.Close();
m_mapConnectionIdAndPeer.Remove(e.connectionId);
}
});
pc.SetRemoteDescription(ref _desc);
foreach (var track in m_listVideoStreamTrack.Concat(m_audioStream.GetTracks()))
{
RTCRtpSender sender = pc.AddTrack(track);
if (!m_mapTrackAndSenderList.TryGetValue(track, out List <RTCRtpSender> list))
{
list = new List <RTCRtpSender>();
m_mapTrackAndSenderList.Add(track, list);
}
list.Add(sender);
}
RTCAnswerOptions options = default;
var op = pc.CreateAnswer(ref options);
while (op.MoveNext())
{
}
if (op.IsError)
{
Debug.LogError($"Network Error: {op.Error}");
return;
}
var desc = op.Desc;
var opLocalDesc = pc.SetLocalDescription(ref desc);
while (opLocalDesc.MoveNext())
{
}
if (opLocalDesc.IsError)
{
Debug.LogError($"Network Error: {opLocalDesc.Error}");
return;
}
signaling.SendAnswer(connectionId, desc);
}