From 855d7145d15d5267e4beceee78a1be66642d008a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Velad=20Galv=C3=A1n?= <ladvan91@hotmail.com>
Date: Thu, 29 Aug 2024 12:07:00 +0200
Subject: [PATCH] fix: Don't throw an error when trying to disable a trick mode
 stream (#7235)

---
 lib/player.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/player.js b/lib/player.js
index 629c7440e8..4838714c26 100644
--- a/lib/player.js
+++ b/lib/player.js
@@ -7260,19 +7260,32 @@ shaka.Player = class extends shaka.util.FakeEventTarget {
     if (hasAltStream) {
       let didDisableStream = false;
 
+      let isTrickModeVideo = false;
+
       for (const variant of this.manifest_.variants) {
         const candidate = variant[stream.type];
 
-        if (candidate && candidate.id === stream.id) {
+        if (!candidate) {
+          continue;
+        }
+
+        if (candidate.id === stream.id) {
           variant.disabledUntilTime = (Date.now() / 1000) + disableTime;
           didDisableStream = true;
 
           shaka.log.v2(
               'Disabled stream ' + stream.type + ':' + stream.id +
               ' for ' + disableTime + ' seconds...');
+        } else if (candidate.trickModeVideo &&
+            candidate.trickModeVideo.id == stream.id) {
+          isTrickModeVideo = true;
         }
       }
 
+      if (!didDisableStream && isTrickModeVideo) {
+        return false;
+      }
+
       goog.asserts.assert(didDisableStream, 'Must have disabled stream');
 
       this.checkVariantsTimer_.tickEvery(1);