static async Task Main(string[] args)
{
Transceiver audioTransceiver = null;
Transceiver videoTransceiver = null;
AudioTrackSource audioTrackSource = null;
VideoTrackSource videoTrackSource = null;
LocalAudioTrack localAudioTrack = null;
LocalVideoTrack localVideoTrack = null;
try
{
bool needVideo = Array.Exists(args, arg => (arg == "-v") || (arg == "--video"));
bool needAudio = Array.Exists(args, arg => (arg == "-a") || (arg == "--audio"));
// Asynchronously retrieve a list of available video capture devices (webcams).
var deviceList = await PeerConnection.GetVideoCaptureDevicesAsync();
// For example, print them to the standard output
foreach (var device in deviceList)
{
Console.WriteLine($"Found webcam {device.name} (id: {device.id})");
}
// Create a new peer connection automatically disposed at the end of the program
using var pc = new PeerConnection();
// Initialize the connection with a STUN server to allow remote access
var config = new PeerConnectionConfiguration
{
IceServers = new List <IceServer> {
new IceServer {
Urls = { "stun:stun.l.google.com:19302" }
}
}
};
await pc.InitializeAsync(config);
Console.WriteLine("Peer connection initialized.");
// Record video from local webcam, and send to remote peer
if (needVideo)
{
Console.WriteLine("Opening local webcam...");
videoTrackSource = await DeviceVideoTrackSource.CreateAsync();
Console.WriteLine("Create local video track...");
var trackSettings = new LocalVideoTrackInitConfig {
trackName = "webcam_track"
};
localVideoTrack = LocalVideoTrack.CreateFromSource(videoTrackSource, trackSettings);
Console.WriteLine("Create video transceiver and add webcam track...");
videoTransceiver = pc.AddTransceiver(MediaKind.Video);
videoTransceiver.DesiredDirection = Transceiver.Direction.SendReceive;
videoTransceiver.LocalVideoTrack = localVideoTrack;
}
// Record audio from local microphone, and send to remote peer
if (needAudio)
{
Console.WriteLine("Opening local microphone...");
audioTrackSource = await DeviceAudioTrackSource.CreateAsync();
Console.WriteLine("Create local audio track...");
var trackSettings = new LocalAudioTrackInitConfig {
trackName = "mic_track"
};
localAudioTrack = LocalAudioTrack.CreateFromSource(audioTrackSource, trackSettings);
Console.WriteLine("Create audio transceiver and add mic track...");
audioTransceiver = pc.AddTransceiver(MediaKind.Audio);
audioTransceiver.DesiredDirection = Transceiver.Direction.SendReceive;
audioTransceiver.LocalAudioTrack = localAudioTrack;
}
// Setup signaling
Console.WriteLine("Starting signaling...");
var signaler = new NamedPipeSignaler.NamedPipeSignaler(pc, "testpipe");
signaler.SdpMessageReceived += async(SdpMessage message) =>
{
await pc.SetRemoteDescriptionAsync(message);
if (message.Type == SdpMessageType.Offer)
{
pc.CreateAnswer();
}
};
signaler.IceCandidateReceived += (IceCandidate candidate) =>
{
pc.AddIceCandidate(candidate);
};
await signaler.StartAsync();
// Start peer connection
pc.Connected += () => { Console.WriteLine("PeerConnection: connected."); };
pc.IceStateChanged += (IceConnectionState newState) => { Console.WriteLine($"ICE state: {newState}"); };
int numFrames = 0;
pc.VideoTrackAdded += (RemoteVideoTrack track) =>
{
track.I420AVideoFrameReady += (I420AVideoFrame frame) =>
{
++numFrames;
if (numFrames % 60 == 0)
{
Console.WriteLine($"Received video frames: {numFrames}");
}
};
};
if (signaler.IsClient)
{
Console.WriteLine("Connecting to remote peer...");
pc.CreateOffer();
}
else
{
Console.WriteLine("Waiting for offer from remote peer...");
}
Console.WriteLine("Press a key to stop recording...");
Console.ReadKey(true);
signaler.Stop();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
localAudioTrack?.Dispose();
localVideoTrack?.Dispose();
Console.WriteLine("Program termined.");
localAudioTrack.Dispose();
localVideoTrack.Dispose();
audioTrackSource.Dispose();
videoTrackSource.Dispose();
}
static async Task Main(string[] args)
{
DataChannel dataChannel = null;
try
{
// Create a new peer connection automatically disposed at the end of the program
using var pc = new PeerConnection();
// Initialize the connection with a STUN server to allow remote access
var config = new PeerConnectionConfiguration
{
IceServers = new List <IceServer> {
new IceServer {
Urls = { "stun:stun.l.google.com:19302" }
}
}
};
await pc.InitializeAsync(config);
Console.WriteLine("Peer connection initialized.");
Console.WriteLine("Opening data channel");
dataChannel = await pc.AddDataChannelAsync("data", true, true);
// Setup signaling
Console.WriteLine("Starting signaling...");
var signaler = new NamedPipeSignaler.NamedPipeSignaler(pc, "testpipe");
signaler.SdpMessageReceived += (string type, string sdp) => {
pc.SetRemoteDescription(type, sdp);
if (type == "offer")
{
pc.CreateAnswer();
}
};
signaler.IceCandidateReceived += (string sdpMid, int sdpMlineindex, string candidate) => {
pc.AddIceCandidate(sdpMid, sdpMlineindex, candidate);
};
await signaler.StartAsync();
// Start peer connection
pc.Connected += () => { Console.WriteLine("PeerConnection: connected."); };
pc.IceStateChanged += (IceConnectionState newState) => { Console.WriteLine($"ICE state: {newState}"); };
pc.DataChannelAdded += (DataChannel c) =>
{
Console.WriteLine("DataChannel added");
c.MessageReceived += (byte[] _msg) =>
{
Console.WriteLine("received {0} bytes", _msg.Length);
};
};
if (signaler.IsClient)
{
Console.WriteLine("Connecting to remote peer...");
pc.CreateOffer();
}
else
{
Console.WriteLine("Waiting for offer from remote peer...");
}
Console.WriteLine("Press a 'S' to send data. 'Esc' to exit ...");
ConsoleKeyInfo key;
while ((key = Console.ReadKey(true)).Key != ConsoleKey.Escape)
{
if (key.Key == ConsoleKey.S)
{
Console.WriteLine("Sending data");
dataChannel.SendMessage(new byte[3000]);
}
}
signaler.Stop();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Program termined.");
}
static async Task Main(string[] args)
{
try
{
bool needVideo = Array.Exists(args, arg => (arg == "-v") || (arg == "--video"));
bool needAudio = Array.Exists(args, arg => (arg == "-a") || (arg == "--audio"));
// Asynchronously retrieve a list of available video capture devices (webcams).
var deviceList = await PeerConnection.GetVideoCaptureDevicesAsync();
// For example, print them to the standard output
foreach (var device in deviceList)
{
Console.WriteLine($"Found webcam {device.name} (id: {device.id})");
}
// Create a new peer connection automatically disposed at the end of the program
using var pc = new PeerConnection();
// Initialize the connection with a STUN server to allow remote access
var config = new PeerConnectionConfiguration
{
IceServers = new List <IceServer> {
new IceServer {
Urls = { "stun:stun.l.google.com:19302" }
}
}
};
await pc.InitializeAsync(config);
Console.WriteLine("Peer connection initialized.");
// Record video from local webcam, and send to remote peer
if (needVideo)
{
Console.WriteLine("Opening local webcam...");
await pc.AddLocalVideoTrackAsync();
}
// Record audio from local microphone, and send to remote peer
if (needAudio)
{
Console.WriteLine("Opening local microphone...");
await pc.AddLocalAudioTrackAsync();
}
// Setup signaling
Console.WriteLine("Starting signaling...");
var signaler = new NamedPipeSignaler.NamedPipeSignaler(pc, "testpipe");
signaler.SdpMessageReceived += (string type, string sdp) => {
pc.SetRemoteDescription(type, sdp);
if (type == "offer")
{
pc.CreateAnswer();
}
};
signaler.IceCandidateReceived += (string sdpMid, int sdpMlineindex, string candidate) => {
pc.AddIceCandidate(sdpMid, sdpMlineindex, candidate);
};
await signaler.StartAsync();
// Start peer connection
pc.Connected += () => { Console.WriteLine("PeerConnection: connected."); };
pc.IceStateChanged += (IceConnectionState newState) => { Console.WriteLine($"ICE state: {newState}"); };
int numFrames = 0;
pc.I420RemoteVideoFrameReady += (I420AVideoFrame frame) => {
++numFrames;
if (numFrames % 60 == 0)
{
Console.WriteLine($"Received video frames: {numFrames}");
}
};
if (signaler.IsClient)
{
Console.WriteLine("Connecting to remote peer...");
pc.CreateOffer();
}
else
{
Console.WriteLine("Waiting for offer from remote peer...");
}
Console.WriteLine("Press a key to stop recording...");
Console.ReadKey(true);
signaler.Stop();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Program termined.");
}
public async Task <string> InitiateCallRTC()
{
var list = new List <string>();
list.Add(this.Configuration.GetSection("Key")["iceServer"]);
AudioTrackSource microphoneSource = null;
LocalAudioTrack localAudioTrack = null;
Transceiver audioTransceiver = null;
var iceServer = new IceServer
{
Urls = list,
TurnPassword = this.Configuration.GetSection("Key")["turnPwd"],
TurnUserName = this.Configuration.GetSection("Key")["turnUser"]
};
var serverList = new List <IceServer>();
serverList.Add(iceServer);
var connectionConfig = new PeerConnectionConfiguration {
IceServers = serverList,
IceTransportType = IceTransportType.All,
BundlePolicy = BundlePolicy.Balanced,
SdpSemantic = SdpSemantic.UnifiedPlan
};
var connection = new PeerConnection();
await connection.InitializeAsync(connectionConfig);
microphoneSource = await DeviceAudioTrackSource.CreateAsync();
var audioTrackConfig = new LocalAudioTrackInitConfig
{
trackName = "microphone_track"
};
localAudioTrack = LocalAudioTrack.CreateFromSource(microphoneSource, audioTrackConfig);
audioTransceiver = connection.AddTransceiver(MediaKind.Audio);
audioTransceiver.LocalAudioTrack = localAudioTrack;
audioTransceiver.DesiredDirection = Transceiver.Direction.SendReceive;
var signaler = new NamedPipeSignaler.NamedPipeSignaler(connection, "testpipe");
connection.Connected += () => {
Console.WriteLine("PeerConnection: connected.");
};
signaler.SdpMessageReceived += async(SdpMessage message) =>
{
// Note: we use 'await' to ensure the remote description is applied
// before calling CreateAnswer(). Failing to do so will prevent the
// answer from being generated, and the connection from establishing.
await connection.SetRemoteDescriptionAsync(message);
if (message.Type == SdpMessageType.Offer)
{
connection.CreateAnswer();
}
};
await signaler.StartAsync();
signaler.IceCandidateReceived += (IceCandidate candidate) => {
connection.AddIceCandidate(candidate);
};
connection.IceStateChanged += (IceConnectionState newState) => {
Console.WriteLine($"ICE state: {newState}");
};
if (signaler.IsClient)
{
Console.WriteLine("Connecting to remote peer...");
connection.CreateOffer();
}
else
{
Console.WriteLine("Waiting for offer from remote peer...");
}
return(connection.IsConnected + "-" + connection.Name + "-");
}