From 0c39a04c2fc332e980a58740cae4d7584c6a68c1 Mon Sep 17 00:00:00 2001
From: Dzianis Dashkevich <ddashkevich@brightcove.com>
Date: Tue, 28 Nov 2023 13:44:10 -0500
Subject: [PATCH] fix: check for transmuxer for vtt-segment-loader

---
 src/segment-loader.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/segment-loader.js b/src/segment-loader.js
index 172188aa2..41ab8d035 100644
--- a/src/segment-loader.js
+++ b/src/segment-loader.js
@@ -2478,7 +2478,7 @@ export default class SegmentLoader extends videojs.EventTarget {
     //
     // Even though keepOriginalTimestamps is set to true for the transmuxer, timestamp
     // offset must be passed to the transmuxer for stream correcting adjustments.
-    if (this.shouldUpdateTransmuxerTimestampOffset_(segmentInfo)) {
+    if (this.transmuxer_ && this.shouldUpdateTransmuxerTimestampOffset_(segmentInfo)) {
       this.gopBuffer_.length = 0;
       // gopsToAlignWith was set before the GOP buffer was cleared
       segmentInfo.gopsToAlignWith = [];