From 377428d8f098655d5cfbe3efef5ab95b325394fe Mon Sep 17 00:00:00 2001
From: Daniel Silhavy <daniel.silhavy@fokus.fraunhofer.de>
Date: Fri, 18 Jun 2021 12:37:36 +0200
Subject: [PATCH] Fix a bug in the TimeSyncController.js which causes time
 syncs to be blocked once the sync attempt failed

---
 src/dash/utils/TimelineConverter.js             | 2 +-
 src/streaming/controllers/TimeSyncController.js | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/dash/utils/TimelineConverter.js b/src/dash/utils/TimelineConverter.js
index cc60612ae1..0848d07384 100644
--- a/src/dash/utils/TimelineConverter.js
+++ b/src/dash/utils/TimelineConverter.js
@@ -341,7 +341,7 @@ function TimelineConverter() {
     }
 
     function _onUpdateTimeSyncOffset(e) {
-        if (e.offset !== undefined) {
+        if (e.offset !== undefined && !isNaN(e.offset)) {
             setClientTimeOffset(e.offset / 1000);
         }
     }
diff --git a/src/streaming/controllers/TimeSyncController.js b/src/streaming/controllers/TimeSyncController.js
index 798d349098..f300a4e4ab 100644
--- a/src/streaming/controllers/TimeSyncController.js
+++ b/src/streaming/controllers/TimeSyncController.js
@@ -547,6 +547,7 @@ function TimeSyncController() {
 
         if (failed) {
             lastTimingSource = null;
+            isSynchronizing = false;
             errHandler.error(new DashJSError(Errors.TIME_SYNC_FAILED_ERROR_CODE, Errors.TIME_SYNC_FAILED_ERROR_MESSAGE));
         }