/// <summary>
/// Initialize the peer connection.
/// </summary>
/// <returns>A task that completes once the peer connection is ready to be used.</returns>
public async Task InitializePeerConnectionAsync()
{
Logger.Log("Initializing the peer connection...");
// Cannot run in UI thread on UWP because this will initialize the global factory
// (first library call) which needs to be done on a background thread.
await ThreadHelper.RunOnWorkerThread(() => Library.ShutdownOptions = Library.ShutdownOptionsFlags.LogLiveObjects);
// Initialize the native peer connection object
try
{
var config = new PeerConnectionConfiguration
{
SdpSemantic = _sdpSemantic,
IceServers = new List <IceServer> {
_iceServer
}
};
await _peerConnection.InitializeAsync(config);
IsPeerInitialized = true;
RaisePropertyChanged("IsPeerInitialized");
}
catch (Exception ex)
{
Logger.Log($"WebRTC native plugin init failed: {ex.Message}");
throw ex;
}
Logger.Log("Peer connection initialized.");
OnPeerInitialized();
// It is CRUCIAL to add any data channel BEFORE the SDP offer is sent, if data channels are
// to be used at all. Otherwise the SCTP will not be negotiated, and then all channels will
// stay forever in the kConnecting state.
// https://stackoverflow.com/questions/43788872/how-are-data-channels-negotiated-between-two-peers-with-webrtc
await _peerConnection.AddDataChannelAsync(ChatChannelID, "chat", true, true);
//_videoPlayer.CurrentStateChanged += OnMediaStateChanged;
//_videoPlayer.MediaOpened += OnMediaOpened;
//_videoPlayer.MediaFailed += OnMediaFailed;
//_videoPlayer.MediaEnded += OnMediaEnded;
//_videoPlayer.RealTimePlayback = true;
//_videoPlayer.AutoPlay = false;
// Bind the XAML UI control (videoPlayerElement) to the MediaFoundation rendering pipeline (_videoPlayer)
// so that the former can render in the UI the video frames produced in the background by the latter.
//videoPlayerElement.SetMediaPlayer(_videoPlayer);
//// Uncomment to initialize local transceivers and tracks.
//if (Utils.IsFirstInstance())
//{
// // Add transceivers
// var transceiverA = AddTransceiver(MediaKind.Audio,
// new TransceiverInitSettings { Name = "audio_transceiver" });
// var transceiverV = AddTransceiver(MediaKind.Video,
// new TransceiverInitSettings { Name = "video_transceiver", });
// // Add audio track
// var sourceA = await DeviceAudioTrackSource.CreateAsync(new LocalAudioDeviceInitConfig());
// var trackA = LocalAudioTrack.CreateFromSource(sourceA,
// new LocalAudioTrackInitConfig { trackName = "local_audio" });
// AddAudioTrack(trackA, "Audio Device");
// // Add the track to the transceiver.
// {
// var transceiverVM = Transceivers.First(t => t.Transceiver == transceiverA);
// var trackVM = transceiverVM.AvailableSenders.Last();
// transceiverVM.Sender = trackVM;
// }
// // Add video track
// var sourceV = await DeviceVideoTrackSource.CreateAsync(
// new LocalVideoDeviceInitConfig
// {
// videoDevice = new VideoCaptureDevice
// {
// id = @"<insert_device_id>"
// },
// videoProfileId = string.Empty,
// width = 640,
// height = 480,
// framerate = 30
// });
// // Crate the track
// var trackV = LocalVideoTrack.CreateFromSource(sourceV,
// new LocalVideoTrackInitConfig { trackName = "local_video" });
// AddVideoTrack(trackV, "Video Device");
// // Add the track to the transceiver.
// {
// var transceiverVM = Transceivers.First(t => t.Transceiver == transceiverV);
// var trackVM = transceiverVM.AvailableSenders.Last();
// transceiverVM.Sender = trackVM;
// }
//}
}
