protected override Task CreateLocalVideoTrackAsync()
{
// Ensure the track has a valid name
string trackName = TrackName;
if (string.IsNullOrEmpty(trackName))
{
// Generate a unique name (GUID)
trackName = Guid.NewGuid().ToString();
TrackName = trackName;
}
SdpTokenAttribute.Validate(trackName, allowEmpty: false);
// Create the external source
//< TODO - Better abstraction
if (typeof(T) == typeof(I420AVideoFrameStorage))
{
Source = ExternalVideoTrackSource.CreateFromI420ACallback(OnFrameRequested);
}
else if (typeof(T) == typeof(Argb32VideoFrameStorage))
{
Source = ExternalVideoTrackSource.CreateFromArgb32Callback(OnFrameRequested);
}
else
{
throw new NotSupportedException("This frame storage is not supported. Use I420AVideoFrameStorage or Argb32VideoFrameStorage.");
}
if (Source == null)
{
throw new Exception("Failed to create external video track source.");
}
// Create the local video track
Track = LocalVideoTrack.CreateFromExternalSource(trackName, Source);
if (Track == null)
{
throw new Exception("Failed ot create webcam video track.");
}
// Synchronize the track status with the Unity component status
Track.Enabled = enabled;
// This implementation is fast, so executes synchronously.
return(Task.CompletedTask);
}
public CallHandler(ICall statefulCall, PeerConnection peerConnection)
: base(TimeSpan.FromMinutes(10), statefulCall?.GraphLogger)
{
this.Call = statefulCall;
this.callHandlerVideo = new CallHandlerVideo(this.Call);
this.callHandlerAudio = new CallHandlerAudio(this.Call);
this.peerConnection = peerConnection;
this.peerConnection.VideoTrackAdded += this.callHandlerVideo.OnClientVideoTrackAdded;
this.peerConnection.VideoTrackRemoved += this.callHandlerVideo.OnClientVideoTrackRemoved;
this.peerConnection.AudioTrackAdded += this.callHandlerAudio.OnClientAudioTrackAdded;
this.peerConnection.AudioTrackRemoved += this.callHandlerAudio.OnClientAudioTrackRemoved;
TransceiverInitSettings transceiverInitSettings = new TransceiverInitSettings();
transceiverInitSettings.InitialDesiredDirection = Transceiver.Direction.Inactive;
if (this.peerConnection.AssociatedTransceivers.ToList().Count != 0)
{
this.teamsAudioTransceiver = this.peerConnection.AssociatedTransceivers.ToList()[0];
this.callHandlerAudio.clientAudioTrack = this.peerConnection.AssociatedTransceivers.ToList()[0].RemoteAudioTrack;
this.callHandlerAudio.clientAudioTrack.AudioFrameReady += this.callHandlerAudio.OnClientAudioReceived;
this.teamsVideoTransceiver = this.peerConnection.AssociatedTransceivers.ToList()[1];
this.callHandlerVideo.clientVideoTrack = this.peerConnection.AssociatedTransceivers.ToList()[1].RemoteVideoTrack;
this.callHandlerVideo.clientVideoTrack.I420AVideoFrameReady += this.callHandlerVideo.OnClientVideoReceived;
}
else
{
this.teamsAudioTransceiver = this.peerConnection.AddTransceiver(MediaKind.Audio, transceiverInitSettings);
this.teamsVideoTransceiver = this.peerConnection.AddTransceiver(MediaKind.Video, transceiverInitSettings);
}
LocalVideoTrack teamsVideoTrack = LocalVideoTrack.CreateFromExternalSource("TeamsVideoTrack",
ExternalVideoTrackSource.CreateFromI420ACallback(this.callHandlerVideo.CustomI420AFrameCallback));
this.teamsVideoTransceiver.LocalVideoTrack = teamsVideoTrack;
this.teamsVideoTransceiver.DesiredDirection = Transceiver.Direction.SendReceive;
LocalAudioTrack teamsAudioTrack = LocalAudioTrack.CreateFromExternalSource("TeamsAudioTrack",
ExternalAudioTrackSource.CreateFromCallback(this.callHandlerAudio.CustomAudioFrameCallback));
this.teamsAudioTransceiver.LocalAudioTrack = teamsAudioTrack;
this.teamsAudioTransceiver.DesiredDirection = Transceiver.Direction.SendReceive;
this.Call.OnUpdated += this.OnCallUpdated;
if (this.Call.GetLocalMediaSession() != null)
{
this.Call.GetLocalMediaSession().AudioSocket.DominantSpeakerChanged += this.OnDominantSpeakerChanged;
this.Call.GetLocalMediaSession().VideoSocket.VideoMediaReceived += this.callHandlerVideo.OnTeamsVideoReceived;
this.Call.GetLocalMediaSession().AudioSocket.AudioMediaReceived += this.callHandlerAudio.OnTeamsAudioReceived;
}
this.Call.Participants.OnUpdated += this.OnParticipantsUpdated;
this.endCallTimer = new Timer(CallHandler.WaitForMs);
this.endCallTimer.Enabled = false;
this.endCallTimer.AutoReset = false;
this.endCallTimer.Elapsed += this.OnTimerElapsed;
}
