From ec807d394472db58df2ec210bc4f485d80475197 Mon Sep 17 00:00:00 2001
From: csantosm <4a.santos@gmail.com>
Date: Fri, 31 Mar 2023 14:37:22 +0200
Subject: [PATCH] openvidu-browser: Fixed bug with audio only MediaStream

If a MediaStream is published with video track stopped  and a standard audio track, the video was not playing because the video track of subscriber was enabled. This track must be disabled for allowing play the video.
Issue reference: https://openvidu.discourse.group/t/microphone-doesnt-work-correctly-on-web-from-a-mobile-device/4514
---
 openvidu-browser/src/OpenVidu/Session.ts | 4 ++++
 openvidu-browser/src/OpenVidu/Stream.ts  | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/openvidu-browser/src/OpenVidu/Session.ts b/openvidu-browser/src/OpenVidu/Session.ts
index ed87035e..7e4a9542 100644
--- a/openvidu-browser/src/OpenVidu/Session.ts
+++ b/openvidu-browser/src/OpenVidu/Session.ts
@@ -992,6 +992,10 @@ export class Session extends EventDispatcher {
                         oldValue = stream.videoActive;
                         event.newValue = event.newValue === 'true';
                         stream.videoActive = event.newValue;
+                        const videoTrack = stream.getMediaStream().getVideoTracks()[0];
+                        if(!videoTrack.enabled && stream.videoActive){
+                            videoTrack.enabled = true;
+                        }
                         break;
                     case 'videoTrack':
                         event.newValue = JSON.parse(event.newValue);
diff --git a/openvidu-browser/src/OpenVidu/Stream.ts b/openvidu-browser/src/OpenVidu/Stream.ts
index 7b86e86d..9ec14929 100644
--- a/openvidu-browser/src/OpenVidu/Stream.ts
+++ b/openvidu-browser/src/OpenVidu/Stream.ts
@@ -1481,7 +1481,7 @@ export class Stream {
                     this.mediaStream.getAudioTracks()[0].enabled = enabled;
                 }
                 if (!!this.mediaStream.getVideoTracks()[0]) {
-                    const enabled = reconnect ? this.videoActive : !!(this.streamManager as Subscriber).properties.subscribeToVideo;
+                    const enabled = reconnect ? this.videoActive : !!this.videoActive && !!(this.streamManager as Subscriber).properties.subscribeToVideo;
                     this.mediaStream.getVideoTracks()[0].enabled = enabled;
                 }
             }