From 9338b36b8ed89257221bce5bb94f0bf8a2476196 Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Thu, 23 Sep 2021 21:12:16 +0300
Subject: [PATCH 1/4] Clear JavascriptSubtitlesOctopus when an error occurs

---
 src/plugins/htmlVideoPlayer/plugin.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/htmlVideoPlayer/plugin.js b/src/plugins/htmlVideoPlayer/plugin.js
index 611240be3e..cf477bfd9d 100644
--- a/src/plugins/htmlVideoPlayer/plugin.js
+++ b/src/plugins/htmlVideoPlayer/plugin.js
@@ -1062,6 +1062,9 @@ function tryRemoveElement(elem) {
                 workerUrl: `${appRouter.baseUrl()}/libraries/subtitles-octopus-worker.js`,
                 legacyWorkerUrl: `${appRouter.baseUrl()}/libraries/subtitles-octopus-worker-legacy.js`,
                 onError() {
+                    // HACK: Clear JavascriptSubtitlesOctopus: it gets disposed when an error occurs
+                    htmlVideoPlayer.#currentSubtitlesOctopus = null;
+
                     onErrorInternal(htmlVideoPlayer, 'mediadecodeerror');
                 },
                 timeOffset: (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000,

From 9f6fdfdd7215c724385f8b0ac813787e8e84025a Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Thu, 23 Sep 2021 21:30:59 +0300
Subject: [PATCH 2/4] Destroy the player after destroying
 JavascriptSubtitlesOctopus

---
 src/plugins/htmlVideoPlayer/plugin.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/plugins/htmlVideoPlayer/plugin.js b/src/plugins/htmlVideoPlayer/plugin.js
index cf477bfd9d..f1a0f427d6 100644
--- a/src/plugins/htmlVideoPlayer/plugin.js
+++ b/src/plugins/htmlVideoPlayer/plugin.js
@@ -675,14 +675,14 @@ function tryRemoveElement(elem) {
                 }
 
                 onEndedInternal(this, elem, this.onError);
-
-                if (destroyPlayer) {
-                    this.destroy();
-                }
             }
 
             this.destroyCustomTrack(elem);
 
+            if (destroyPlayer) {
+                this.destroy();
+            }
+
             return Promise.resolve();
         }
 

From 50880983cc2e561ff1fa901559bda1b49ea15eef Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Thu, 23 Sep 2021 22:20:03 +0300
Subject: [PATCH 3/4] Give JavascriptSubtitlesOctopus time to dispose itself

---
 src/plugins/htmlVideoPlayer/plugin.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/plugins/htmlVideoPlayer/plugin.js b/src/plugins/htmlVideoPlayer/plugin.js
index f1a0f427d6..eeef1d5181 100644
--- a/src/plugins/htmlVideoPlayer/plugin.js
+++ b/src/plugins/htmlVideoPlayer/plugin.js
@@ -1065,7 +1065,10 @@ function tryRemoveElement(elem) {
                     // HACK: Clear JavascriptSubtitlesOctopus: it gets disposed when an error occurs
                     htmlVideoPlayer.#currentSubtitlesOctopus = null;
 
-                    onErrorInternal(htmlVideoPlayer, 'mediadecodeerror');
+                    // HACK: Give JavascriptSubtitlesOctopus time to dispose itself
+                    setTimeout(() => {
+                        onErrorInternal(htmlVideoPlayer, 'mediadecodeerror');
+                    }, 0);
                 },
                 timeOffset: (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000,
 

From a536f2acac7067d0a22b8be22f4c85b2cbc7c344 Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Tue, 21 Sep 2021 22:26:09 +0300
Subject: [PATCH 4/4] Resolve show promise

---
 src/components/appRouter.js | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/components/appRouter.js b/src/components/appRouter.js
index e40875089c..5a89deca54 100644
--- a/src/components/appRouter.js
+++ b/src/components/appRouter.js
@@ -44,13 +44,7 @@ class AppRouter {
             }, 0);
         });
 
-        document.addEventListener('viewshow', () => {
-            const resolve = this.resolveOnNextShow;
-            if (resolve) {
-                this.resolveOnNextShow = null;
-                resolve();
-            }
-        });
+        document.addEventListener('viewshow', () => this.onViewShow());
 
         this.baseRoute = window.location.href.split('?')[0].replace(this.getRequestFile(), '');
         // support hashbang
@@ -417,6 +411,14 @@ class AppRouter {
         });
     }
 
+    onViewShow() {
+        const resolve = this.resolveOnNextShow;
+        if (resolve) {
+            this.resolveOnNextShow = null;
+            resolve();
+        }
+    }
+
     onForcedLogoutMessageTimeout() {
         const msg = this.forcedLogoutMsg;
         this.forcedLogoutMsg = null;
@@ -638,7 +640,11 @@ class AppRouter {
 
             const ignore = route.dummyRoute === true || this.previousRoute.dummyRoute === true;
             this.previousRoute = route;
-            if (ignore) return;
+            if (ignore) {
+                // Resolve 'show' promise
+                this.onViewShow();
+                return;
+            }
 
             this.handleRoute(ctx, next, route);
         };