From f5d120935f2581b601b3981e532dc730fd173093 Mon Sep 17 00:00:00 2001
From: Adam Waldron <awaldron@brightcove.com>
Date: Tue, 2 Apr 2024 16:28:26 -0700
Subject: [PATCH] fix: llHLS does not need forcedTimestampOffset (#1501)

* fix: llHLS does not need forcedTimestampOffset

* more readable boolean
---
 src/segment-loader.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/segment-loader.js b/src/segment-loader.js
index d4a0bcb1d..c761d157e 100644
--- a/src/segment-loader.js
+++ b/src/segment-loader.js
@@ -1238,8 +1238,11 @@ bufferedEnd: ${lastBufferedEnd(this.buffered_())}
     this.syncPoint_ = null;
     this.isPendingTimestampOffset_ = false;
     // this is mainly to sync timing-info when switching between renditions with and without timestamp-rollover,
-    // so we don't want it for DASH
-    if (this.sourceType_ === 'hls') {
+    // so we don't want it for DASH or fragmented mp4 segments.
+    const isFmp4 = this.currentMediaInfo_ && this.currentMediaInfo_.isFmp4;
+    const isHlsTs = this.sourceType_ === 'hls' && !isFmp4;
+
+    if (isHlsTs) {
       this.shouldForceTimestampOffsetAfterResync_ = true;
     }
     this.callQueue_ = [];