private void VerifyLocalShutdown(MediaLine ml)
{
// The source is not impacted, but tracks and transceiver are gone.
Assert.IsTrue(ml.Source.IsLive);
Assert.IsFalse(ml.Receiver.IsLive);
Assert.IsNull(ml.LocalTrack);
Assert.IsNull(ml.Transceiver);
}
public void CaptureStartsOnActivate()
{
// Create the peer connections
var pc_go = new GameObject("pc1");
pc_go.SetActive(false); // prevent auto-activation of components
var pc = pc_go.AddComponent <PeerConnection>();
pc.AutoInitializeOnStart = false;
// Batch changes manually
pc.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the video track source
VideoTrackSource source = pc_go.AddComponent <MockVideoSource>();
// Create the media line
MediaLine ml = pc.AddMediaLine(MediaKind.Video);
ml.SenderTrackName = "track_name";
// Assign the video source to the media line
ml.Source = source;
Assert.IsTrue(source.MediaLines.Contains(ml));
// Add event handlers to check IsStreaming state
source.VideoStreamStarted.AddListener((IVideoSource self) =>
{
// Becomes true *before* this handler by design
Assert.IsTrue(self.IsStreaming);
});
source.VideoStreamStopped.AddListener((IVideoSource self) =>
{
// Still true until *after* this handler by design
Assert.IsTrue(self.IsStreaming);
});
// Confirm the source is not capturing yet because the component is inactive
Assert.IsFalse(source.IsStreaming);
// Confirm the sender has no track because the component is inactive
Assert.IsNull(ml.SenderTrack);
// Activate the game object and the video track source component on it
pc_go.SetActive(true);
// Confirm the sender is capturing because the component is now active
Assert.IsTrue(source.IsStreaming);
// Confirm the sender still has no track because there's no connection
Assert.IsNull(ml.SenderTrack);
// Deactivate the game object and the video track source component on it
pc_go.SetActive(false);
// Confirm the source stops streaming
Assert.IsFalse(source.IsStreaming);
}
public IEnumerator InterleavedMediaAndData()
{
// Create the peer connections
var pc1_go = new GameObject("pc1");
pc1_go.SetActive(false); // prevent auto-activation of components
var pc1 = pc1_go.AddComponent <PeerConnection>();
pc1.AutoInitializeOnStart = false;
var pc2_go = new GameObject("pc2");
pc2_go.SetActive(false); // prevent auto-activation of components
var pc2 = pc2_go.AddComponent <PeerConnection>();
pc2.AutoInitializeOnStart = false;
// Batch changes manually
pc1.AutoCreateOfferOnRenegotiationNeeded = false;
pc2.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the signaler
var sig_go = new GameObject("signaler");
var sig = sig_go.AddComponent <LocalOnlySignaler>();
sig.Peer1 = pc1;
sig.Peer2 = pc2;
// Create the sender video source
var source1 = pc1_go.AddComponent <UniformColorVideoSource>();
//sender1.SenderTrackName = "track_name";
MediaLine ml1 = pc1.AddMediaLine(MediaKind.Video);
Assert.IsNotNull(ml1);
ml1.Source = source1;
// Create the receiver video source
var receiver2 = pc2_go.AddComponent <VideoReceiver>();
MediaLine ml2 = pc2.AddMediaLine(MediaKind.Video);
Assert.IsNotNull(ml2);
ml2.Receiver = receiver2;
// Activate
pc1_go.SetActive(true);
pc2_go.SetActive(true);
// Initialize
var initializedEvent1 = new ManualResetEventSlim(initialState: false);
pc1.OnInitialized.AddListener(() => initializedEvent1.Set());
Assert.IsNull(pc1.Peer);
bool finishedInitializeBeforeTimeout1 = pc1.InitializeAsync().Wait(millisecondsTimeout: 50000);
Assert.IsTrue(finishedInitializeBeforeTimeout1);
var initializedEvent2 = new ManualResetEventSlim(initialState: false);
pc2.OnInitialized.AddListener(() => initializedEvent2.Set());
Assert.IsNull(pc2.Peer);
bool finishedInitializeBeforeTimeout2 = pc2.InitializeAsync().Wait(millisecondsTimeout: 50000);
Assert.IsTrue(finishedInitializeBeforeTimeout2);
// Wait a frame so that the Unity event OnInitialized can propagate
yield return(null);
// Check the event was raised and the C# peer objects created
Assert.IsTrue(initializedEvent1.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc1.Peer);
Assert.IsTrue(initializedEvent2.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc2.Peer);
// Confirm the source is ready, but the sender track is not created yet
Assert.IsNotNull(source1.IsStreaming);
Assert.IsNull(ml1.SenderTrack);
// Create some dummy out-of-band data channel to force SCTP negotiation
// during the first offer, and be able to add some in-band data channels
// later via subsequent SDP session negotiations.
{
Task <DataChannel> t1 = pc1.Peer.AddDataChannelAsync(42, "dummy", ordered: true, reliable: true);
Task <DataChannel> t2 = pc2.Peer.AddDataChannelAsync(42, "dummy", ordered: true, reliable: true);
Assert.IsTrue(t1.Wait(millisecondsTimeout: 10000));
Assert.IsTrue(t2.Wait(millisecondsTimeout: 10000));
}
// Connect
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check transceiver update
var video_tr1 = ml1.Transceiver;
Assert.IsNotNull(video_tr1);
var video_tr2 = ml2.Transceiver;
Assert.IsNotNull(video_tr2);
Assert.AreEqual(0, video_tr1.MlineIndex);
Assert.AreEqual(0, video_tr2.MlineIndex);
// ====== Add in-band data channel ====================================
// Add an in-band data channel on peer #1
DataChannel dc1;
{
Task <DataChannel> t1 = pc1.Peer.AddDataChannelAsync("test_data_channel", ordered: true, reliable: true);
Assert.IsTrue(t1.Wait(millisecondsTimeout: 10000));
dc1 = t1.Result;
}
// Prepare to receive a new data channel on peer #2
DataChannel dc2 = null;
var dc2_added_ev = new ManualResetEventSlim(initialState: false);
pc2.Peer.DataChannelAdded += (DataChannel channel) => { dc2 = channel; dc2_added_ev.Set(); };
// Renegotiate; data channel will consume media line #1
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Do not assume that connecting is enough to get the data channel, as callbacks are
// asynchronously invoked. Instead explicitly wait for the created event to be raised.
Assert.IsTrue(dc2_added_ev.Wait(millisecondsTimeout: 10000));
// Check the data channel is ready
Assert.IsNotNull(dc2);
Assert.AreEqual(dc1.ID, dc2.ID);
Assert.AreEqual(DataChannel.ChannelState.Open, dc1.State);
Assert.AreEqual(DataChannel.ChannelState.Open, dc2.State);
// ====== Add an extra media transceiver ==============================
// Create the receiver video source
var receiver1b = pc1_go.AddComponent <VideoReceiver>();
MediaLine ml1b = pc1.AddMediaLine(MediaKind.Video);
Assert.IsNotNull(ml1b);
ml1b.Receiver = receiver1b;
// Create the sender video source
var source2b = pc2_go.AddComponent <UniformColorVideoSource>();
//sender2b.SenderTrackName = "track_name_2";
MediaLine ml2b = pc2.AddMediaLine(MediaKind.Video);
Assert.IsNotNull(ml2b);
ml2b.Source = source2b;
// Renegotiate
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check transceiver update
var video_tr1b = ml1b.Transceiver;
Assert.IsNotNull(video_tr1b);
var video_tr2b = ml2b.Transceiver;
Assert.IsNotNull(video_tr2b);
Assert.AreEqual(2, video_tr1b.MlineIndex);
Assert.AreEqual(2, video_tr2b.MlineIndex);
}
public IEnumerator Negotiate_SxS_to_R()
{
// Create the peer connections
var pc1_go = new GameObject("pc1");
pc1_go.SetActive(false); // prevent auto-activation of components
var pc1 = pc1_go.AddComponent <PeerConnection>();
pc1.AutoInitializeOnStart = false;
var pc2_go = new GameObject("pc2");
pc2_go.SetActive(false); // prevent auto-activation of components
var pc2 = pc2_go.AddComponent <PeerConnection>();
pc2.AutoInitializeOnStart = false;
// Batch changes manually
pc1.AutoCreateOfferOnRenegotiationNeeded = false;
pc2.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the signaler
var sig_go = new GameObject("signaler");
var sig = sig_go.AddComponent <LocalOnlySignaler>();
sig.Peer1 = pc1;
sig.Peer2 = pc2;
// Create the sender video source
var source1 = pc1_go.AddComponent <UniformColorVideoSource>();
//source1.SenderTrackName = "track_name";
MediaLine ml1 = pc1.AddMediaLine(MediaKind.Video);
Assert.IsNotNull(ml1);
Assert.AreEqual(MediaKind.Video, ml1.MediaKind);
ml1.Source = source1;
// Create the receiver video source
var receiver2 = pc2_go.AddComponent <VideoReceiver>();
MediaLine ml2 = pc2.AddMediaLine(MediaKind.Video);
Assert.IsNotNull(ml2);
Assert.AreEqual(MediaKind.Video, ml2.MediaKind);
ml2.Receiver = receiver2;
// Activate
pc1_go.SetActive(true);
pc2_go.SetActive(true);
// Initialize
var initializedEvent1 = new ManualResetEventSlim(initialState: false);
pc1.OnInitialized.AddListener(() => initializedEvent1.Set());
Assert.IsNull(pc1.Peer);
pc1.InitializeAsync().Wait(millisecondsTimeout: 50000);
var initializedEvent2 = new ManualResetEventSlim(initialState: false);
pc2.OnInitialized.AddListener(() => initializedEvent2.Set());
Assert.IsNull(pc2.Peer);
pc2.InitializeAsync().Wait(millisecondsTimeout: 50000);
// Wait a frame so that the Unity event OnInitialized can propagate
yield return(null);
// Check the event was raised
Assert.IsTrue(initializedEvent1.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc1.Peer);
Assert.IsTrue(initializedEvent2.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc2.Peer);
// Confirm the source is ready, but the sender track is not created yet
Assert.IsNotNull(source1.IsStreaming);
Assert.IsNull(ml1.SenderTrack);
// Connect
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check transceiver update
Assert.IsNotNull(ml1.Transceiver); // first negotiation creates this
Assert.IsNotNull(ml2.Transceiver); // first negotiation creates this
Assert.AreEqual(Transceiver.Direction.SendOnly, ml1.Transceiver.DesiredDirection);
Assert.AreEqual(Transceiver.Direction.ReceiveOnly, ml2.Transceiver.DesiredDirection);
Assert.IsTrue(ml1.Transceiver.NegotiatedDirection.HasValue);
Assert.IsTrue(ml2.Transceiver.NegotiatedDirection.HasValue);
Assert.AreEqual(Transceiver.Direction.SendOnly, ml1.Transceiver.NegotiatedDirection.Value);
Assert.AreEqual(Transceiver.Direction.ReceiveOnly, ml2.Transceiver.NegotiatedDirection.Value);
var video_tr1 = ml1.Transceiver;
Assert.IsNotNull(video_tr1);
Assert.AreEqual(MediaKind.Video, video_tr1.MediaKind);
var video_tr2 = ml2.Transceiver;
Assert.IsNotNull(video_tr2);
Assert.AreEqual(MediaKind.Video, video_tr2.MediaKind);
// Check track pairing
Assert.IsNotNull(ml1.SenderTrack); // created during connection
Assert.IsNotNull(receiver2.Track); // paired
Assert.AreEqual(video_tr1.LocalTrack, ml1.SenderTrack); // sender attached
Assert.AreEqual(video_tr2.RemoteTrack, receiver2.Track); // receiver paired
// ====== Remove sender ==============================
// Remove the sender from #1
ml1.Source = null;
// Renegotiate
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check transceiver update
Assert.IsNotNull(ml1.Transceiver); // immutable
Assert.IsNotNull(ml2.Transceiver); // immutable
Assert.AreEqual(Transceiver.Direction.Inactive, ml1.Transceiver.DesiredDirection); // set ml1 sender to null above
Assert.AreEqual(Transceiver.Direction.ReceiveOnly, ml2.Transceiver.DesiredDirection); // no change
Assert.IsTrue(ml1.Transceiver.NegotiatedDirection.HasValue);
Assert.IsTrue(ml2.Transceiver.NegotiatedDirection.HasValue);
Assert.AreEqual(Transceiver.Direction.Inactive, ml1.Transceiver.NegotiatedDirection.Value); // desired
Assert.AreEqual(Transceiver.Direction.Inactive, ml2.Transceiver.NegotiatedDirection.Value); // inactive * recvonly = inactive
Assert.AreEqual(video_tr1, ml1.Transceiver); // immutable
Assert.AreEqual(video_tr2, ml2.Transceiver); // immutable
// Check track pairing
Assert.IsNull(ml1.SenderTrack); // no source, so media line destroyed its sender track...
Assert.IsNull(video_tr1.LocalTrack); // ...after detaching it from the transceiver
Assert.IsNull(receiver2.Track); // transceiver is inactive and remote tracks are not owned
Assert.IsNull(video_tr2.RemoteTrack); // unpaired
// ====== Re-add sender ==============================
// Re-add the sender on #1
ml1.Source = source1;
// Renegotiate
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check transceiver update
Assert.IsNotNull(ml1.Transceiver); // immutable
Assert.IsNotNull(ml2.Transceiver); // immutable
Assert.AreEqual(Transceiver.Direction.SendOnly, ml1.Transceiver.DesiredDirection); // set ml1 sender above
Assert.AreEqual(Transceiver.Direction.ReceiveOnly, ml2.Transceiver.DesiredDirection); // no change
Assert.IsTrue(ml1.Transceiver.NegotiatedDirection.HasValue);
Assert.IsTrue(ml2.Transceiver.NegotiatedDirection.HasValue);
Assert.AreEqual(Transceiver.Direction.SendOnly, ml1.Transceiver.NegotiatedDirection.Value); // desired
Assert.AreEqual(Transceiver.Direction.ReceiveOnly, ml2.Transceiver.NegotiatedDirection.Value); // accepted
Assert.AreEqual(video_tr1, ml1.Transceiver); // immutable
Assert.AreEqual(video_tr2, ml2.Transceiver); // immutable
// Check track pairing
Assert.IsNotNull(ml1.SenderTrack); // new source again, media line re-created a sender track
Assert.IsNotNull(ml1.SenderTrack.Transceiver); // ...and attached it to the transceiver...
Assert.AreEqual(video_tr1, ml1.SenderTrack.Transceiver);
Assert.IsNotNull(video_tr1.LocalTrack); // ...and conversely
Assert.AreEqual(ml1.SenderTrack, video_tr1.LocalTrack);
Assert.IsNotNull(receiver2.Track); // transceiver is active again and remote track was re-created
Assert.IsNotNull(receiver2.Track.Transceiver);
Assert.AreEqual(video_tr2, receiver2.Track.Transceiver);
Assert.IsNotNull(video_tr2.RemoteTrack); // re-paired
Assert.AreEqual(receiver2.Track, video_tr2.RemoteTrack);
}
private IEnumerator SingleTwoWaysImpl(bool withSender1, bool withReceiver1, bool withSender2, bool withReceiver2)
{
// Create the peer connections
var pc1_go = new GameObject("pc1");
pc1_go.SetActive(false); // prevent auto-activation of components
var pc1 = pc1_go.AddComponent <PeerConnection>();
pc1.AutoInitializeOnStart = false;
var pc2_go = new GameObject("pc2");
pc2_go.SetActive(false); // prevent auto-activation of components
var pc2 = pc2_go.AddComponent <PeerConnection>();
pc2.AutoInitializeOnStart = false;
// Batch changes manually
pc1.AutoCreateOfferOnRenegotiationNeeded = false;
pc2.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the signaler
var sig_go = new GameObject("signaler");
var sig = sig_go.AddComponent <LocalOnlySignaler>();
sig.Peer1 = pc1;
sig.Peer2 = pc2;
// Create the video sources on peer #1
VideoTrackSource source1 = null;
VideoReceiver receiver1 = null;
if (withSender1)
{
source1 = pc1_go.AddComponent <UniformColorVideoSource>();
}
if (withReceiver1)
{
receiver1 = pc1_go.AddComponent <VideoReceiver>();
}
MediaLine ml1 = pc1.AddMediaLine(MediaKind.Video);
ml1.SenderTrackName = "video_track_1";
ml1.Source = source1;
ml1.Receiver = receiver1;
// Create the video sources on peer #2
VideoTrackSource source2 = null;
VideoReceiver receiver2 = null;
if (withSender2)
{
source2 = pc2_go.AddComponent <UniformColorVideoSource>();
}
if (withReceiver2)
{
receiver2 = pc1_go.AddComponent <VideoReceiver>();
}
MediaLine ml2 = pc2.AddMediaLine(MediaKind.Video);
ml2.SenderTrackName = "video_track_2";
ml2.Source = source2;
ml2.Receiver = receiver2;
// Activate
pc1_go.SetActive(true);
pc2_go.SetActive(true);
// Initialize
var initializedEvent1 = new ManualResetEventSlim(initialState: false);
pc1.OnInitialized.AddListener(() => initializedEvent1.Set());
Assert.IsNull(pc1.Peer);
pc1.InitializeAsync().Wait(millisecondsTimeout: 50000);
var initializedEvent2 = new ManualResetEventSlim(initialState: false);
pc2.OnInitialized.AddListener(() => initializedEvent2.Set());
Assert.IsNull(pc2.Peer);
pc2.InitializeAsync().Wait(millisecondsTimeout: 50000);
// Wait a frame so that the Unity event OnInitialized can propagate
yield return(null);
// Check the event was raised
Assert.IsTrue(initializedEvent1.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc1.Peer);
Assert.IsTrue(initializedEvent2.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc2.Peer);
// Confirm the sources are ready
if (withSender1)
{
Assert.IsTrue(source1.IsStreaming);
}
if (withSender2)
{
Assert.IsTrue(source2.IsStreaming);
}
// Confirm the sender track is not created yet; it will be when the connection starts
Assert.IsNull(ml1.SenderTrack);
Assert.IsNull(ml2.SenderTrack);
// Confirm the receiver track is not added yet, since remote tracks are only instantiated
// as the result of a session negotiation.
if (withReceiver1)
{
Assert.IsNull(receiver1.Track);
}
if (withReceiver2)
{
Assert.IsNull(receiver2.Track);
}
// Connect
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 10000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check pairing
{
bool hasSend1 = false;
bool hasSend2 = false;
bool hasRecv1 = false;
bool hasRecv2 = false;
// Local tracks exist if manually added (independently of negotiation)
Assert.AreEqual(withSender1 ? 1 : 0, pc1.Peer.LocalVideoTracks.Count());
Assert.AreEqual(withSender2 ? 1 : 0, pc2.Peer.LocalVideoTracks.Count());
// Remote tracks exist if paired with a sender on the remote peer
if (withReceiver1 && withSender2) // R <= S
{
Assert.IsNotNull(receiver1.Track);
Assert.IsNotNull(ml2.SenderTrack);
hasRecv1 = true;
hasSend2 = true;
}
if (withSender1 && withReceiver2) // S => R
{
Assert.IsNotNull(ml1.SenderTrack);
Assert.IsNotNull(receiver2.Track);
hasSend1 = true;
hasRecv2 = true;
}
Assert.AreEqual(hasRecv1 ? 1 : 0, pc1.Peer.RemoteVideoTracks.Count());
Assert.AreEqual(hasRecv2 ? 1 : 0, pc2.Peer.RemoteVideoTracks.Count());
// Transceivers are consistent with pairing
Assert.IsTrue(ml1.Transceiver.NegotiatedDirection.HasValue);
Assert.AreEqual(hasSend1, Transceiver.HasSend(ml1.Transceiver.NegotiatedDirection.Value));
Assert.AreEqual(hasRecv1, Transceiver.HasRecv(ml1.Transceiver.NegotiatedDirection.Value));
Assert.IsTrue(ml2.Transceiver.NegotiatedDirection.HasValue);
Assert.AreEqual(hasSend2, Transceiver.HasSend(ml2.Transceiver.NegotiatedDirection.Value));
Assert.AreEqual(hasRecv2, Transceiver.HasRecv(ml2.Transceiver.NegotiatedDirection.Value));
}
}
public IEnumerator Multi()
{
// Create the peer connections
var pc1_go = new GameObject("pc1");
pc1_go.SetActive(false); // prevent auto-activation of components
var pc1 = pc1_go.AddComponent <PeerConnection>();
pc1.AutoInitializeOnStart = false;
var pc2_go = new GameObject("pc2");
pc2_go.SetActive(false); // prevent auto-activation of components
var pc2 = pc2_go.AddComponent <PeerConnection>();
pc2.AutoInitializeOnStart = false;
// Batch changes manually
pc1.AutoCreateOfferOnRenegotiationNeeded = false;
pc2.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the signaler
var sig_go = new GameObject("signaler");
var sig = sig_go.AddComponent <LocalOnlySignaler>();
sig.Peer1 = pc1;
sig.Peer2 = pc2;
// Create the senders and receivers
// P1 P2
// 0 : S => R
// 1 : SR <=> SR
// 2 : S => SR
// 3 : R <= SR
// 4 : S => R
const int NumTransceivers = 5;
// P1 has 4 senders added to it
int numLocal1 = 4;
// P1 receives 2 tracks from the 3 P2 senders (one is refused)
int numRemote1 = 2;
// P2 has 3 senders added to it
int numLocal2 = 3;
// P2 receives 4 tracks from the 4 P1 senders
int numRemote2 = 4;
var cfgs = new MultiConfig[NumTransceivers]
{
new MultiConfig {
peer1 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendOnly,
expectSender = true,
expectReceiver = false,
},
peer2 = new PeerConfig {
desiredDirection = Transceiver.Direction.ReceiveOnly,
expectSender = false,
expectReceiver = true,
}
},
new MultiConfig {
peer1 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendReceive,
expectSender = true,
expectReceiver = true,
},
peer2 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendReceive,
expectSender = true,
expectReceiver = true,
},
},
new MultiConfig {
peer1 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendOnly,
expectSender = true,
expectReceiver = false,
},
peer2 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendReceive,
expectSender = true,
expectReceiver = true,
},
},
new MultiConfig {
peer1 = new PeerConfig {
desiredDirection = Transceiver.Direction.ReceiveOnly,
expectSender = false,
expectReceiver = true,
},
peer2 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendReceive,
expectSender = true,
expectReceiver = false,
},
},
new MultiConfig {
peer1 = new PeerConfig {
desiredDirection = Transceiver.Direction.SendOnly,
expectSender = true,
expectReceiver = false,
},
peer2 = new PeerConfig {
desiredDirection = Transceiver.Direction.ReceiveOnly,
expectSender = false,
expectReceiver = true,
},
},
};
for (int i = 0; i < NumTransceivers; ++i)
{
var cfg = cfgs[i];
{
MediaLine ml1 = pc1.AddMediaLine(MediaKind.Video);
var peer = cfg.peer1;
peer.mediaLine = ml1;
if (Transceiver.HasSend(peer.desiredDirection))
{
var source1 = pc1_go.AddComponent <UniformColorVideoSource>();
peer.source = source1;
ml1.Source = source1;
ml1.SenderTrackName = $"track{i}";
}
if (Transceiver.HasRecv(peer.desiredDirection))
{
var receiver1 = pc1_go.AddComponent <VideoReceiver>();
peer.receiver = receiver1;
ml1.Receiver = receiver1;
}
}
{
MediaLine ml2 = pc2.AddMediaLine(MediaKind.Video);
var peer = cfg.peer2;
peer.mediaLine = ml2;
if (Transceiver.HasSend(peer.desiredDirection))
{
var source2 = pc2_go.AddComponent <UniformColorVideoSource>();
peer.source = source2;
ml2.Source = source2;
ml2.SenderTrackName = $"track{i}";
}
if (Transceiver.HasRecv(peer.desiredDirection))
{
var receiver2 = pc2_go.AddComponent <VideoReceiver>();
peer.receiver = receiver2;
ml2.Receiver = receiver2;
}
}
}
// Activate
pc1_go.SetActive(true);
pc2_go.SetActive(true);
// Initialize
var initializedEvent1 = new ManualResetEventSlim(initialState: false);
pc1.OnInitialized.AddListener(() => initializedEvent1.Set());
Assert.IsNull(pc1.Peer);
pc1.InitializeAsync().Wait(millisecondsTimeout: 50000);
var initializedEvent2 = new ManualResetEventSlim(initialState: false);
pc2.OnInitialized.AddListener(() => initializedEvent2.Set());
Assert.IsNull(pc2.Peer);
pc2.InitializeAsync().Wait(millisecondsTimeout: 50000);
// Wait a frame so that the Unity event OnInitialized can propagate
yield return(null);
// Check the event was raised
Assert.IsTrue(initializedEvent1.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc1.Peer);
Assert.IsTrue(initializedEvent2.Wait(millisecondsTimeout: 50000));
Assert.IsNotNull(pc2.Peer);
// Confirm the sources are ready
for (int i = 0; i < NumTransceivers; ++i)
{
var cfg = cfgs[i];
if (cfg.peer1.expectSender)
{
Assert.IsNotNull(cfg.peer1.source, $"Missing source #{i} on Peer #1");
Assert.IsNotNull(cfg.peer1.source.IsStreaming, $"Source #{i} is not ready on Peer #1");
Assert.IsNull(cfg.peer1.mediaLine.SenderTrack); // created during connection
}
if (cfg.peer2.expectSender)
{
Assert.IsNotNull(cfg.peer2.source, $"Missing source #{i} on Peer #2");
Assert.IsNotNull(cfg.peer2.source.IsStreaming, $"Source #{i} is not ready on Peer #2");
Assert.IsNull(cfg.peer2.mediaLine.SenderTrack); // created during connection
}
}
// Connect
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check pairing
Assert.AreEqual(numLocal1, pc1.Peer.LocalVideoTracks.Count());
Assert.AreEqual(numRemote1, pc1.Peer.RemoteVideoTracks.Count());
Assert.AreEqual(numLocal2, pc2.Peer.LocalVideoTracks.Count());
Assert.AreEqual(numRemote2, pc2.Peer.RemoteVideoTracks.Count());
for (int i = 0; i < NumTransceivers; ++i)
{
var cfg = cfgs[i];
if (cfg.peer1.expectSender)
{
Assert.IsNotNull(cfg.peer1.mediaLine.SenderTrack, $"Transceiver #{i} missing local sender track on Peer #1");
}
if (cfg.peer1.expectReceiver)
{
Assert.IsNotNull(cfg.peer1.receiver.Track, $"Transceiver #{i} missing remote track on Peer #1");
}
if (cfg.peer2.expectSender)
{
Assert.IsNotNull(cfg.peer2.mediaLine.SenderTrack, $"Transceiver #{i} missing local sender track on Peer #2");
}
if (cfg.peer2.expectReceiver)
{
Assert.IsNotNull(cfg.peer2.receiver.Track, $"Transceiver #{i} Missing remote track on Peer #2");
}
}
// Change the senders and receivers and transceivers direction
// old new
// P1 P2 P1 P2
// 0 : S => R = R P1 stops sending
// 1 : SR <=> SR SR => R P2 stops sending
// 2 : S => SR SR <=> SR P1 starts receiving
// 3 : R <= SR SR <=> SR P1 starts sending
// 4 : S => R S = P2 stops receiving
numLocal1 = 4;
numRemote1 = 2;
numLocal2 = 2;
numRemote2 = 3;
// #0 - P1 stops sending
{
var cfg = cfgs[0];
cfg.peer1.mediaLine.Source = null;
cfg.peer1.expectSender = false;
cfg.peer1.expectReceiver = false;
cfg.peer2.expectSender = false;
cfg.peer2.expectReceiver = false;
}
// #1 - P2 stops sending
{
var cfg = cfgs[1];
cfg.peer2.mediaLine.Source = null;
cfg.peer1.expectSender = true;
cfg.peer1.expectReceiver = false;
cfg.peer2.expectSender = false;
cfg.peer2.expectReceiver = true;
}
// #2 - P1 starts receiving
{
var cfg = cfgs[2];
var receiver2 = pc2_go.AddComponent <VideoReceiver>();
cfg.peer1.receiver = receiver2;
cfg.peer1.mediaLine.Receiver = receiver2;
cfg.peer1.expectSender = true;
cfg.peer1.expectReceiver = true;
cfg.peer2.expectSender = true;
cfg.peer2.expectReceiver = true;
}
// #3 - P1 starts sending
{
var cfg = cfgs[3];
var source1 = pc1_go.AddComponent <UniformColorVideoSource>();
cfg.peer1.source = source1;
cfg.peer1.mediaLine.Source = source1;
cfg.peer1.expectSender = true;
cfg.peer1.expectReceiver = true;
cfg.peer2.expectSender = true;
cfg.peer2.expectReceiver = true;
}
// #4 - P2 stops receiving
{
var cfg = cfgs[4];
cfg.peer2.mediaLine.Receiver = null;
cfg.peer1.expectSender = false;
cfg.peer1.expectReceiver = false;
cfg.peer2.expectSender = false;
cfg.peer2.expectReceiver = false;
}
// Renegotiate
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 60000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check pairing
Assert.AreEqual(numLocal1, pc1.Peer.LocalVideoTracks.Count());
Assert.AreEqual(numRemote1, pc1.Peer.RemoteVideoTracks.Count());
Assert.AreEqual(numLocal2, pc2.Peer.LocalVideoTracks.Count());
Assert.AreEqual(numRemote2, pc2.Peer.RemoteVideoTracks.Count());
for (int i = 0; i < NumTransceivers; ++i)
{
var cfg = cfgs[i];
if (cfg.peer1.expectReceiver)
{
Assert.IsNotNull(cfg.peer1.receiver.Track, $"Transceiver #{i} missing remote track on Peer #1");
}
if (cfg.peer2.expectReceiver)
{
Assert.IsNotNull(cfg.peer2.receiver.Track, $"Transceiver #{i} Missing remote track on Peer #2");
}
}
}
public IEnumerator CaptureStartsOnActivate()
{
// Create the peer connections
var pc_go = new GameObject("pc1");
pc_go.SetActive(false); // prevent auto-activation of components
var pc = pc_go.AddComponent <PeerConnection>();
// Batch changes manually
pc.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the video track source
VideoTrackSource source = pc_go.AddComponent <MockVideoSource>();
// Create the media line
MediaLine ml = pc.AddMediaLine(MediaKind.Video);
ml.SenderTrackName = "track_name";
// Assign the video source to the media line
ml.Source = source;
// MediaLine has not been connected yet.
Assert.IsEmpty(source.MediaLines);
// Add event handlers to check IsStreaming state
source.VideoStreamStarted.AddListener((IVideoSource self) =>
{
// Becomes true *before* this handler by design
Assert.IsTrue(source.IsLive);
});
source.VideoStreamStopped.AddListener((IVideoSource self) =>
{
// Still true until *after* this handler by design
Assert.IsTrue(source.IsLive);
});
// Confirm the source is not capturing yet because the component is inactive
Assert.IsFalse(source.IsLive);
// Confirm the sender has no track because the component is inactive
Assert.IsNull(ml.LocalTrack);
// Activate the game object and the video track source component on it
pc_go.SetActive(true);
// MediaLine is connected.
Assert.AreEqual(source.MediaLines.Single(), ml);
// Confirm the sender is capturing because the component is now active
Assert.IsTrue(source.IsLive);
// Confirm the sender still has no track because there's no connection
Assert.IsNull(ml.LocalTrack);
// Deactivate the game object and the video track source component on it
pc_go.SetActive(false);
// Confirm the source stops streaming
Assert.IsFalse(source.IsLive);
Object.Destroy(pc_go);
// Terminate the coroutine.
yield return(null);
}
public IEnumerator EnableAndDisableWithTracks()
{
var pc1_go = new GameObject("pc1");
pc1_go.SetActive(false); // prevent auto-activation of components
var pc1 = pc1_go.AddComponent <PeerConnection>();
var pc2_go = new GameObject("pc2");
pc2_go.SetActive(false); // prevent auto-activation of components
var pc2 = pc2_go.AddComponent <PeerConnection>();
// Create the signaler
var sig_go = new GameObject("signaler");
var sig = sig_go.AddComponent <LocalOnlySignaler>();
sig.Peer1 = pc1;
sig.Peer2 = pc2;
// Create the video source on peer #1
VideoTrackSource source1 = pc1_go.AddComponent <UniformColorVideoSource>();
VideoReceiver receiver1 = pc1_go.AddComponent <VideoReceiver>();
MediaLine ml1 = pc1.AddMediaLine(MediaKind.Video);
ml1.SenderTrackName = "video_track_1";
ml1.Source = source1;
ml1.Receiver = receiver1;
// Create the video source on peer #2
VideoTrackSource source2 = pc2_go.AddComponent <UniformColorVideoSource>();
VideoReceiver receiver2 = pc2_go.AddComponent <VideoReceiver>();
MediaLine ml2 = pc2.AddMediaLine(MediaKind.Video);
ml2.SenderTrackName = "video_track_2";
ml2.Source = source2;
ml2.Receiver = receiver2;
// Init/quit twice.
for (int i = 0; i < 2; ++i)
{
// Initialize
yield return(InitializeAndWait(pc1));
yield return(InitializeAndWait(pc2));
// Confirm the sources are ready.
Assert.IsTrue(source1.IsLive);
Assert.IsTrue(source2.IsLive);
// Sender tracks will be created on connection.
Assert.IsNull(ml1.LocalTrack);
Assert.IsNull(ml2.LocalTrack);
// Connect
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 10000));
Assert.IsTrue(sig.IsConnected);
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// Check pairing
Assert.IsNotNull(receiver1.Transceiver);
Assert.IsTrue(receiver1.IsLive);
Assert.AreEqual(1, pc1.Peer.RemoteVideoTracks.Count());
Assert.IsNotNull(receiver2.Transceiver);
Assert.IsTrue(receiver2.IsLive);
Assert.AreEqual(1, pc2.Peer.RemoteVideoTracks.Count());
// Shutdown peer #1
pc1.enabled = false;
Assert.IsNull(pc1.Peer);
// We cannot reliably detect remote shutdown, so only check local peer.
VerifyLocalShutdown(ml1);
// Shutdown peer #2
pc2.enabled = false;
Assert.IsNull(pc2.Peer);
VerifyLocalShutdown(ml2);
}
UnityEngine.Object.Destroy(pc1_go);
UnityEngine.Object.Destroy(pc2_go);
UnityEngine.Object.Destroy(sig_go);
}
public IEnumerator SwapReceiver()
{
// Create the peer connections
var pc1_go = new GameObject("pc1");
pc1_go.SetActive(false); // prevent auto-activation of components
var pc1 = pc1_go.AddComponent <PeerConnection>();
var pc2_go = new GameObject("pc2");
pc2_go.SetActive(false); // prevent auto-activation of components
var pc2 = pc2_go.AddComponent <PeerConnection>();
// Batch changes manually
pc1.AutoCreateOfferOnRenegotiationNeeded = false;
pc2.AutoCreateOfferOnRenegotiationNeeded = false;
// Create the signaler
var sig_go = new GameObject("signaler");
var sig = sig_go.AddComponent <LocalOnlySignaler>();
sig.Peer1 = pc1;
sig.Peer2 = pc2;
// Create the video source on peer #1
{
VideoTrackSource source = pc1_go.AddComponent <UniformColorVideoSource>();
MediaLine senderMl = pc1.AddMediaLine(MediaKind.Video);
senderMl.SenderTrackName = "video_track_1";
senderMl.Source = source;
}
// Create the receivers on peer #2
VideoReceiver receiver1 = pc2_go.AddComponent <VideoReceiver>();
VideoReceiver receiver2 = pc2_go.AddComponent <VideoReceiver>();
MediaLine ml = pc2.AddMediaLine(MediaKind.Video);
ml.Receiver = receiver1;
// Initialize
yield return(PeerConnectionTests.InitializeAndWait(pc1));
yield return(PeerConnectionTests.InitializeAndWait(pc2));
// Connect
Assert.IsTrue(sig.StartConnection());
yield return(sig.WaitForConnection(millisecondsTimeout: 10000));
// Wait a frame so that the Unity events for streams started can propagate
yield return(null);
// receiver1 is correctly wired.
Assert.AreEqual(ml.Transceiver.DesiredDirection, Transceiver.Direction.ReceiveOnly);
Assert.AreEqual(pc2.Peer.RemoteVideoTracks.Count(), 1);
Assert.IsTrue(receiver1.IsLive);
Assert.AreEqual(receiver1.Track, ml.Transceiver.RemoteTrack);
Assert.AreEqual(receiver1.MediaLine, ml);
// Reset receiver
ml.Receiver = null;
// receiver1 has been detached.
Assert.AreEqual(ml.Transceiver.DesiredDirection, Transceiver.Direction.Inactive);
Assert.IsFalse(receiver1.IsLive);
Assert.IsNull(receiver1.MediaLine);
// Set receiver2.
ml.Receiver = receiver2;
// receiver2 is correctly wired.
Assert.AreEqual(ml.Transceiver.DesiredDirection, Transceiver.Direction.ReceiveOnly);
Assert.AreEqual(pc2.Peer.RemoteVideoTracks.Count(), 1);
Assert.IsTrue(receiver2.IsLive);
Assert.AreEqual(receiver2.Track, ml.Transceiver.RemoteTrack);
Assert.AreEqual(receiver2.MediaLine, ml);
// Swap receiver2 with receiver1.
ml.Receiver = receiver1;
// receiver1 is correctly wired.
Assert.AreEqual(ml.Transceiver.DesiredDirection, Transceiver.Direction.ReceiveOnly);
Assert.AreEqual(pc2.Peer.RemoteVideoTracks.Count(), 1);
Assert.IsTrue(receiver1.IsLive);
Assert.AreEqual(receiver1.Track, ml.Transceiver.RemoteTrack);
Assert.AreEqual(receiver1.MediaLine, ml);
// receiver2 has been detached.
Assert.IsFalse(receiver2.IsLive);
Assert.IsNull(receiver2.MediaLine);
Object.Destroy(pc1_go);
Object.Destroy(pc2_go);
}