From b1931de7b0d149db9bc14542f1d73881cb605427 Mon Sep 17 00:00:00 2001
From: Jaya Allamsetty <54324652+jallamsetty1@users.noreply.github.com>
Date: Thu, 6 Oct 2022 15:26:03 -0400
Subject: [PATCH] fix(screenshare): Pass _desktopSharingSourceDevice as
 shareOptions when available. Fixes an issue when external cam as
 screensharing source fails on Spot with multi-stream enabled.

---
 react/features/base/conference/middleware.web.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/react/features/base/conference/middleware.web.js b/react/features/base/conference/middleware.web.js
index 9b9da3caa7..43801caf2c 100644
--- a/react/features/base/conference/middleware.web.js
+++ b/react/features/base/conference/middleware.web.js
@@ -186,6 +186,11 @@ async function _toggleScreenSharing({ enabled, audioOnly = false, shareOptions =
 
     if (enable) {
         let tracks;
+        const { _desktopSharingSourceDevice } = state['features/base/config'];
+
+        if (!shareOptions.desktopSharingSources && _desktopSharingSourceDevice) {
+            shareOptions.desktopSharingSourceDevice = _desktopSharingSourceDevice;
+        }
         const options = {
             devices: [ VIDEO_TYPE.DESKTOP ],
             ...shareOptions