From 7865c31387b98d2562ba44ee34fbb6e4052f9340 Mon Sep 17 00:00:00 2001
From: Mathieu Duponchelle <mathieu@centricular.com>
Date: Fri, 21 Sep 2018 15:02:55 +0200
Subject: [PATCH] webrtc.js: fix tearing down

---
 webrtc/sendrecv/js/webrtc.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/webrtc/sendrecv/js/webrtc.js b/webrtc/sendrecv/js/webrtc.js
index 3d08d0f6c2..b94288f825 100644
--- a/webrtc/sendrecv/js/webrtc.js
+++ b/webrtc/sendrecv/js/webrtc.js
@@ -60,7 +60,11 @@ function setError(text) {
 function resetVideo() {
     // Release the webcam and mic
     if (local_stream_promise)
-        local_stream_promise.then(stream => { stream.stop(); });
+        local_stream_promise.then(stream => {
+            if (stream) {
+                stream.getTracks().forEach(function (track) { track.stop(); });
+            }
+        });
 
     // Reset the video element and stop showing the last received frame
     var videoElement = getVideoElement();