From 1667b11564a754cb1477c475e4562ab5236a01b1 Mon Sep 17 00:00:00 2001
From: Evil Eye <malusluminis@hotmail.com>
Date: Sun, 6 Apr 2025 19:42:04 +0200
Subject: [PATCH] Pause menu video playback when OpenMW is minimized

---
 CHANGELOG.md                           |  1 +
 apps/openmw/mwbase/windowmanager.hpp   |  2 +-
 apps/openmw/mwgui/mainmenu.cpp         | 21 ++++++++++++++++++---
 apps/openmw/mwgui/windowmanagerimp.cpp |  2 +-
 apps/openmw/mwgui/windowmanagerimp.hpp |  2 +-
 5 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f1b76ccc8..c74ff74397 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -230,6 +230,7 @@
     Bug #8364: Crash when clicking scrollbar without handle (divide by zero)
     Bug #8378: Korean bitmap fonts are unusable
     Bug #8439: Creatures without models can crash the game
+    Bug #8441: Freeze when using video main menu replacers
     Feature #1415: Infinite fall failsafe
     Feature #2566: Handle NAM9 records for manual cell references
     Feature #3501: OpenMW-CS: Instance Editing - Shortcuts for axial locking
diff --git a/apps/openmw/mwbase/windowmanager.hpp b/apps/openmw/mwbase/windowmanager.hpp
index df334bbfe8..8164501b4b 100644
--- a/apps/openmw/mwbase/windowmanager.hpp
+++ b/apps/openmw/mwbase/windowmanager.hpp
@@ -363,7 +363,7 @@ namespace MWBase
         void windowVisibilityChange(bool visible) override = 0;
         void windowResized(int x, int y) override = 0;
         void windowClosed() override = 0;
-        virtual bool isWindowVisible() = 0;
+        virtual bool isWindowVisible() const = 0;
 
         virtual void watchActor(const MWWorld::Ptr& ptr) = 0;
         virtual MWWorld::Ptr getWatchedActor() const = 0;
diff --git a/apps/openmw/mwgui/mainmenu.cpp b/apps/openmw/mwgui/mainmenu.cpp
index da747dd7a2..1b3619bd9f 100644
--- a/apps/openmw/mwgui/mainmenu.cpp
+++ b/apps/openmw/mwgui/mainmenu.cpp
@@ -29,11 +29,26 @@ namespace MWGui
     {
         Misc::FrameRateLimiter frameRateLimiter
             = Misc::makeFrameRateLimiter(MWBase::Environment::get().getFrameRateLimit());
+        const MWBase::WindowManager& windowManager = *MWBase::Environment::get().getWindowManager();
+        bool paused = false;
         while (mRunning)
         {
-            // If finished playing, start again
-            if (!mVideo->update())
-                mVideo->playVideo("video\\menu_background.bik");
+            if (windowManager.isWindowVisible())
+            {
+                if (paused)
+                {
+                    mVideo->resume();
+                    paused = false;
+                }
+                // If finished playing, start again
+                if (!mVideo->update())
+                    mVideo->playVideo("video\\menu_background.bik");
+            }
+            else if (!paused)
+            {
+                paused = true;
+                mVideo->pause();
+            }
             frameRateLimiter.limit();
         }
     }
diff --git a/apps/openmw/mwgui/windowmanagerimp.cpp b/apps/openmw/mwgui/windowmanagerimp.cpp
index 322b38b7e6..565fb43127 100644
--- a/apps/openmw/mwgui/windowmanagerimp.cpp
+++ b/apps/openmw/mwgui/windowmanagerimp.cpp
@@ -1218,7 +1218,7 @@ namespace MWGui
         // TODO: check if any windows are now off-screen and move them back if so
     }
 
-    bool WindowManager::isWindowVisible()
+    bool WindowManager::isWindowVisible() const
     {
         return mWindowVisible;
     }
diff --git a/apps/openmw/mwgui/windowmanagerimp.hpp b/apps/openmw/mwgui/windowmanagerimp.hpp
index 409a31a514..03902e21c4 100644
--- a/apps/openmw/mwgui/windowmanagerimp.hpp
+++ b/apps/openmw/mwgui/windowmanagerimp.hpp
@@ -290,7 +290,7 @@ namespace MWGui
         void windowVisibilityChange(bool visible) override;
         void windowResized(int x, int y) override;
         void windowClosed() override;
-        bool isWindowVisible() override;
+        bool isWindowVisible() const override;
 
         void watchActor(const MWWorld::Ptr& ptr) override;
         MWWorld::Ptr getWatchedActor() const override;