Add TCP+Relay detection event

Frontend/library/src/PixelStreaming/PixelStreaming.ts

@@ -119,14 +119,11 @@ export class PixelStreaming {
 
         this._webXrController = new WebXRController(this._webRtcController);
 
-        this._setupWebRtcTCPRelayDetection = this._setupWebRtcTCPRelayDetection.bind(this)
-
         // Add event listener for the webRtcConnected event
         this._eventEmitter.addEventListener("webRtcConnected", (webRtcConnectedEvent: WebRtcConnectedEvent) => {
 
             // Bind to the stats received event
-            this._eventEmitter.addEventListener("statsReceived", this._setupWebRtcTCPRelayDetection);
-
+            this._eventEmitter.addEventListener("statsReceived",  (statsReceivedEvent: StatsReceivedEvent) => { this._setupWebRtcTCPRelayDetection(statsReceivedEvent)});
         });
     }
 
@@ -657,7 +654,7 @@ export class PixelStreaming {
                 this._eventEmitter.dispatchEvent(new WebRtcTCPRelayDetectedEvent());
             }
             // The check is completed and the stats listen event can be removed
-            this._eventEmitter.removeEventListener("statsReceived", this._setupWebRtcTCPRelayDetection);
+            this._eventEmitter.removeEventListener("statsReceived",  (statsReceivedEvent: StatsReceivedEvent) => { this._setupWebRtcTCPRelayDetection(statsReceivedEvent)});
         }
     }
 

Frontend/ui-library/src/UI/StatsPanel.ts

@@ -1,7 +1,7 @@
 // Copyright Epic Games, Inc. All Rights Reserved.
 
 import { LatencyTest } from './LatencyTest';
-import { InitialSettings, Logger, PixelStreaming } from '@epicgames-ps/lib-pixelstreamingfrontend-ue5.4';
+import { CandidatePairStats, InitialSettings, Logger, PixelStreaming } from '@epicgames-ps/lib-pixelstreamingfrontend-ue5.4';
 import { AggregatedStats } from '@epicgames-ps/lib-pixelstreamingfrontend-ue5.4';
 import { MathUtils } from '../Util/MathUtils';
 import {DataChannelLatencyTest} from "./DataChannelLatencyTest";
@@ -318,8 +318,8 @@ export class StatsPanel {
             );
         }
 
-        // Store the active candidate pair
-        let activeCandidatePair = stats.getActiveCandidatePair();
+        // Store the active candidate pair return a new Candidate pair stat if getActiveCandidate is null
+        let activeCandidatePair = stats.getActiveCandidatePair() != null ? stats.getActiveCandidatePair() : new CandidatePairStats();
 
         // RTT
         const netRTT =