async void HandleInitialOffer(string sdp, OfferConfig offerConf)
{
Logger.Debug("MediaChannel", "Handle Initial Offer");
if (peer != null)
{
Logger.Debug("MediaChannel", "peer not found");
return;
}
var rtcConf = NetworkConfiguration.Create(offerConf, mediaOption);
peer = new PeerChannel(rtcConf, mediaOption, dispatcher);
peer.OnConnect += Peer_OnConnect;
peer.OnClose += Peer_OnClose;
peer.OnError += Peer_OnError;
peer.OnIceCandidate += Peer_OnIceCandidate;
peer.OnAddLocalAudioTrack += Peer_OnAddLocalAudioTrack;
peer.OnAddLocalVideoTrack += Peer_OnAddLocalVideoTrack;
peer.OnAddRemoteTrack += Peer_OnAddRemoteTrack;
peer.OnRemoveRemoteTrack += Peer_OnRemoveRemoteTrack;
streamIdChecker.PickMsidFromSdp(sdp);
if (!peer.Initialize())
{
Logger.Debug("MediaChannel", "failed to initialize peer");
RunOnUiThread(() => {
OnError?.Invoke(ErrorType.PeerCantBuild);
});
Disconnect();
}
var answer = await peer.HandleInitialRemoteOffer(sdp);
if (string.IsNullOrEmpty(answer))
{
Logger.Debug("MediaChannel", "failed to create answer for remote offer");
RunOnUiThread(() => {
OnError?.Invoke(ErrorType.PeerSdpFailure);
});
Disconnect();
return;
}
await signaling.SendAnswerMessage(answer);
}
void CloseTempPeer()
{
if (tempPeer == null)
{
return;
}
tempPeer.OnError -= TempPeer_OnError;
tempPeer.OnClose -= TempPeer_OnClose;
tempPeer.Close();
tempPeer = null;
}
void StartPeerWithClientOffer()
{
Logger.Debug("MediaChannel", "StartPeerWithClientOffer");
Task.Run(async() => {
var dummyConf = new OfferConfig();
var rtcConf = NetworkConfiguration.Create(dummyConf, mediaOption);
var tempMediaOption = new MediaOption()
{
SpeakerDevice = mediaOption.SpeakerDevice,
VideoDownstreamEnabled = true,
};
tempPeer = new PeerChannel(rtcConf, tempMediaOption, dispatcher);
tempPeer.OnError += TempPeer_OnError;
tempPeer.OnClose += TempPeer_OnClose;
if (!tempPeer.Initialize())
{
Logger.Debug("MediaChannel", "failed to initialize peer");
RunOnUiThread(() => {
OnError?.Invoke(ErrorType.PeerCantBuild);
});
Disconnect();
}
var sdp = await tempPeer.GenerateClientOffer();
CloseTempPeer();
if (string.IsNullOrEmpty(sdp))
{
Logger.Debug("MediaChannel", "failed to create capabilities");
RunOnUiThread(() => {
OnError?.Invoke(ErrorType.PeerSdpFailure);
});
Disconnect();
}
else
{
ConnectSignalingChannel(sdp);
}
});
}
void ClosePeer()
{
Logger.Debug("MediaChannel", "Close Peer");
if (peer == null)
{
Logger.Debug("MediaChannel", "peer not found");
return;
}
peer.OnConnect -= Peer_OnConnect;
peer.OnClose -= Peer_OnClose;
peer.OnError -= Peer_OnError;
peer.OnIceCandidate -= Peer_OnIceCandidate;
peer.OnAddLocalAudioTrack -= Peer_OnAddLocalAudioTrack;
peer.OnAddLocalVideoTrack -= Peer_OnAddLocalVideoTrack;
peer.OnAddRemoteTrack -= Peer_OnAddRemoteTrack;
peer.OnRemoveRemoteTrack -= Peer_OnRemoveRemoteTrack;
Logger.Debug("MediaChannel", "dispose local media tracks");
if (localAudioTrack != null)
{
Logger.Debug("MediaChannel", "dispose local audio track");
(localAudioTrack as IDisposable)?.Dispose();
localAudioTrack = null;
}
if (localVideoTrack != null)
{
Logger.Debug("MediaChannel", "dispose local video track");
(localVideoTrack as IDisposable)?.Dispose();
localVideoTrack = null;
}
Logger.Debug("MediaChannel", "dispose remote media tracks");
remoteTracksHolder.Dispose();
Logger.Debug("MediaChannel", "Close Peer");
peer.Close();
peer = null;
}
