From 9282a1b8014d9ad3d174b90c6999edd4d7b57ca8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Velad=20Galv=C3=A1n?= <ladvan91@hotmail.com>
Date: Wed, 10 Apr 2024 12:18:36 +0200
Subject: [PATCH] fix(HLS): Fix labelling of captions in Safari (#6426)

Fixes https://github.com/shaka-project/shaka-player/issues/6233
---
 lib/util/stream_utils.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/util/stream_utils.js b/lib/util/stream_utils.js
index 5e965a8832..1bfe0191ea 100644
--- a/lib/util/stream_utils.js
+++ b/lib/util/stream_utils.js
@@ -1273,8 +1273,6 @@ shaka.util.StreamUtils = class {
    * @return {shaka.extern.Track}
    */
   static html5TextTrackToTrack(textTrack) {
-    const CLOSED_CAPTION_MIMETYPE =
-        shaka.util.MimeUtils.CEA608_CLOSED_CAPTION_MIMETYPE;
     const StreamUtils = shaka.util.StreamUtils;
 
     /** @type {shaka.extern.Track} */
@@ -1283,7 +1281,8 @@ shaka.util.StreamUtils = class {
     track.type = 'text';
     track.originalTextId = textTrack.id;
     if (textTrack.kind == 'captions') {
-      track.mimeType = CLOSED_CAPTION_MIMETYPE;
+      // See: https://github.com/shaka-project/shaka-player/issues/6233
+      track.mimeType = 'unknown';
     }
     if (textTrack.kind == 'subtitles') {
       track.mimeType = 'text/vtt';