From 4f1a1196a90b8d617aea10eae265769221ff6de1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Wojciech=20Tyczy=C5=84ski?= <wojciech.tyczynski@sky.uk>
Date: Tue, 15 Aug 2023 17:38:30 +0200
Subject: [PATCH] fix: add MIME type for HTML5 tracks (#5452)

---
 lib/util/stream_utils.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/util/stream_utils.js b/lib/util/stream_utils.js
index 019a814f3b..a6d88ad7ed 100644
--- a/lib/util/stream_utils.js
+++ b/lib/util/stream_utils.js
@@ -1375,6 +1375,9 @@ shaka.util.StreamUtils = class {
     if (textTrack.kind == 'captions') {
       track.mimeType = CLOSED_CAPTION_MIMETYPE;
     }
+    if (textTrack.kind == 'subtitles') {
+      track.mimeType = 'text/vtt';
+    }
     if (textTrack.kind) {
       track.roles = [textTrack.kind];
     }