feat: Add webcam basic support

toju-app/src/app/infrastructure/realtime/realtime-session.service.ts

@@ -58,6 +58,7 @@ export class WebRTCService implements OnDestroy {
   readonly connectedPeers = this.state.connectedPeers;
   readonly isMuted = this.state.isMuted;
   readonly isDeafened = this.state.isDeafened;
+  readonly isCameraEnabled = this.state.isCameraEnabled;
   readonly isScreenSharing = this.state.isScreenSharing;
   readonly isNoiseReductionEnabled = this.state.isNoiseReductionEnabled;
   readonly screenStream = this.state.screenStream;
@@ -149,7 +150,8 @@ export class WebRTCService implements OnDestroy {
       getVoiceStateSnapshot: (): VoiceStateSnapshot => this.voiceSessionController.getCurrentVoiceState(),
       getIdentifyCredentials: () => this.signalingTransportHandler.getIdentifyCredentials(),
       getLocalPeerId: (): string => this.state.getLocalPeerId(),
-      isScreenSharingActive: (): boolean => this.state.isScreenSharingActive()
+      isScreenSharingActive: (): boolean => this.state.isScreenSharingActive(),
+      isCameraEnabled: (): boolean => this.state.isCameraEnabledActive()
     });
 
     this.mediaManager.setCallbacks({
@@ -157,7 +159,8 @@ export class WebRTCService implements OnDestroy {
       renegotiate: (peerId: string): Promise<void> => this.peerMediaFacade.renegotiate(peerId),
       broadcastMessage: (event: ChatEvent): void => this.peerMediaFacade.broadcastMessage(event),
       getIdentifyOderId: (): string => this.signalingTransportHandler.getIdentifyOderId(),
-      getIdentifyDisplayName: (): string => this.signalingTransportHandler.getIdentifyDisplayName()
+      getIdentifyDisplayName: (): string => this.signalingTransportHandler.getIdentifyDisplayName(),
+      setCameraEnabled: (enabled: boolean): void => this.state.setCameraEnabled(enabled)
     });
 
     this.screenShareManager.setCallbacks({
@@ -434,6 +437,16 @@ export class WebRTCService implements OnDestroy {
     return this.peerMediaFacade.getRemoteVoiceStream(peerId);
   }
 
+  /**
+   * Get the remote camera stream for a connected peer.
+   *
+   * @param peerId - The remote peer whose camera stream to retrieve.
+   * @returns The stream, or `null` if the peer has no active camera video.
+   */
+  getRemoteCameraStream(peerId: string): MediaStream | null {
+    return this.peerMediaFacade.getRemoteCameraStream(peerId);
+  }
+
   /**
    * Get the remote screen-share stream for a connected peer.
    *
@@ -456,6 +469,15 @@ export class WebRTCService implements OnDestroy {
     return this.peerMediaFacade.getLocalStream();
   }
 
+  /**
+   * Get the current local camera stream.
+   *
+   * @returns The local camera {@link MediaStream}, or `null` if the camera is disabled.
+   */
+  getLocalCameraStream(): MediaStream | null {
+    return this.peerMediaFacade.getLocalCameraStream();
+  }
+
   /**
    * Get the raw local microphone stream before gain / RNNoise processing.
    *
@@ -477,6 +499,25 @@ export class WebRTCService implements OnDestroy {
   /** Stop local voice capture and remove audio senders from peers. */
   disableVoice(): void {
     this.voiceSessionController.disableVoice();
+    this.state.setCameraEnabled(false);
+  }
+
+  /**
+   * Start sharing the local camera video with peers in the active voice channel.
+   *
+   * @returns The camera {@link MediaStream}.
+   */
+  async enableCamera(): Promise<MediaStream> {
+    const stream = await this.mediaManager.enableCamera();
+
+    this.state.setCameraEnabled(this.mediaManager.getIsCameraActive());
+    return stream;
+  }
+
+  /** Stop local camera capture and remove camera tracks from peers. */
+  disableCamera(): void {
+    this.mediaManager.disableCamera();
+    this.state.setCameraEnabled(this.mediaManager.getIsCameraActive());
   }
 
   /**
@@ -614,6 +655,7 @@ export class WebRTCService implements OnDestroy {
     this.peerMediaFacade.closeAllPeers();
     this.state.clearPeerViewState();
     this.voiceSessionController.resetVoiceSession();
+    this.state.setCameraEnabled(false);
     this.peerMediaFacade.stopScreenShare();
     this.state.clearScreenShareState();
   }