From 7f8e051886e6aab1b7a1997a600f982ca38c0c6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Velad=20Galv=C3=A1n?= <ladvan91@hotmail.com>
Date: Thu, 29 Jun 2023 11:46:51 +0200
Subject: [PATCH] fix(HLS): Fix avoid prefetch missing segments (#5372)

---
 lib/media/segment_prefetch.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/media/segment_prefetch.js b/lib/media/segment_prefetch.js
index 573bb5b3f6..0b919772b0 100644
--- a/lib/media/segment_prefetch.js
+++ b/lib/media/segment_prefetch.js
@@ -73,6 +73,10 @@ shaka.media.SegmentPrefetch = class {
       if (reference.isPreload() && reference.endByte != null) {
         prefetchAllowed = false;
       }
+      if (reference.getStatus() ==
+          shaka.media.SegmentReference.Status.MISSING) {
+        prefetchAllowed = false;
+      }
       if (prefetchAllowed && !this.segmentPrefetchMap_.has(reference)) {
         const segmentPrefetchOperation =
           new shaka.media.SegmentPrefetchOperation(this.fetchDispatcher_);