From 23013cddb97cac6d7d1c1611d052f393f597ed7b Mon Sep 17 00:00:00 2001
From: Benjas333 <67520048+Benjas333@users.noreply.github.com>
Date: Fri, 5 Sep 2025 05:53:07 -0600
Subject: [PATCH] fix(exponential-volume): volume desync bug (#3787)

Co-authored-by: JellyBrick <shlee1503@naver.com>
---
 src/plugins/exponential-volume/index.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/plugins/exponential-volume/index.ts b/src/plugins/exponential-volume/index.ts
index 86782984..19174707 100644
--- a/src/plugins/exponential-volume/index.ts
+++ b/src/plugins/exponential-volume/index.ts
@@ -1,6 +1,8 @@
 import { createPlugin } from '@/utils';
 import { t } from '@/i18n';
 
+import type { YoutubePlayer } from '@/types/youtube-player';
+
 export default createPlugin({
   name: () => t('plugins.exponential-volume.name'),
   description: () => t('plugins.exponential-volume.description'),
@@ -9,7 +11,16 @@ export default createPlugin({
     enabled: false,
   },
   renderer: {
-    onPlayerApiReady() {
+    onPlayerApiReady(playerApi) {
+      const syncVolume = (playerApi: YoutubePlayer) => {
+        if (playerApi.getPlayerState() === 3) {
+          setTimeout(() => syncVolume(playerApi), 0);
+          return;
+        }
+
+        playerApi.setVolume(playerApi.getVolume());
+      };
+
       // "YouTube Music fix volume ratio 0.4" by Marco Pfeiffer
       // https://greasyfork.org/en/scripts/397686-youtube-music-fix-volume-ratio/
 
@@ -48,6 +59,7 @@ export default createPlugin({
           propertyDescriptor?.set?.call(this, lowVolume);
         },
       });
+      syncVolume(playerApi);
     },
   },
 });