From d68326a374baf6ef5d914963a56169f735519c53 Mon Sep 17 00:00:00 2001
From: Carlos Santos <4a.santos@gmail.com>
Date: Mon, 31 Oct 2022 13:40:39 +0100
Subject: [PATCH] openvidu-components: Subscribed to STT only for camera type

---
 .../src/lib/components/session/session.component.ts  | 12 ++++++++----
 .../lib/services/participant/participant.service.ts  |  9 +++++++--
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/openvidu-components-angular/projects/openvidu-angular/src/lib/components/session/session.component.ts b/openvidu-components-angular/projects/openvidu-angular/src/lib/components/session/session.component.ts
index 83224137..9f182191 100644
--- a/openvidu-components-angular/projects/openvidu-angular/src/lib/components/session/session.component.ts
+++ b/openvidu-components-angular/projects/openvidu-angular/src/lib/components/session/session.component.ts
@@ -299,10 +299,14 @@ export class SessionComponent implements OnInit {
 				const subscriber: Subscriber = this.session.subscribe(event.stream, undefined);
 				this.participantService.addRemoteConnection(connectionId, data, subscriber);
 				// this.oVSessionService.sendNicknameSignal(event.stream.connection);
-				try {
-					await this.session.subscribeToSpeechToText(event.stream, this.captionService.getLangSelected().ISO);
-				} catch (error) {
-					this.log.e('Error subscribing from STT: ', error);
+
+				if (this.participantService.getTypeConnectionData(data) === VideoType.CAMERA) {
+					// Only subscribe to STT when stream is CAMERA type and it is a remote stream
+					try {
+						await this.session.subscribeToSpeechToText(event.stream, this.captionService.getLangSelected().ISO);
+					} catch (error) {
+						this.log.e('Error subscribing from STT: ', error);
+					}
 				}
 			}
 		});
diff --git a/openvidu-components-angular/projects/openvidu-angular/src/lib/services/participant/participant.service.ts b/openvidu-components-angular/projects/openvidu-angular/src/lib/services/participant/participant.service.ts
index 36ef33b3..4826c6d6 100644
--- a/openvidu-components-angular/projects/openvidu-angular/src/lib/services/participant/participant.service.ts
+++ b/openvidu-components-angular/projects/openvidu-angular/src/lib/services/participant/participant.service.ts
@@ -2,7 +2,7 @@ import { Injectable } from '@angular/core';
 import { Publisher, Subscriber } from 'openvidu-browser';
 import { BehaviorSubject, Observable } from 'rxjs';
 import { ILogger } from '../../models/logger.model';
-import { StreamModel, ParticipantAbstractModel, ParticipantModel, ParticipantProperties } from '../../models/participant.model';
+import { ParticipantAbstractModel, ParticipantModel, ParticipantProperties, StreamModel } from '../../models/participant.model';
 import { VideoType } from '../../models/video-type.model';
 import { OpenViduAngularConfigService } from '../config/openvidu-angular.config.service';
 import { LoggerService } from '../logger/logger.service';
@@ -399,7 +399,12 @@ export class ParticipantService {
 		this._remoteParticipants.next([...this.remoteParticipants]);
 	}
 
-	protected getTypeConnectionData(data: string): VideoType {
+	/**
+	 * @internal
+	 * @param data
+	 * @returns Stream video type
+	 */
+	getTypeConnectionData(data: string): VideoType {
 		try {
 			return JSON.parse(data).type;
 		} catch (error) {