check repl.it

src/Player.ts

@@ -602,7 +602,11 @@ export class Player extends EventEmitter {
                 queue.stream = newStream;
                 queue.voiceConnection.play(newStream, {
                     type: 'opus',
-                    bitrate: 'auto'
+                    bitrate: 'auto',
+
+                    // disable inline volume for replit.com, leave it as it is for other platforms
+                    // thx Amish Shah for this info :D
+                    volume: Util.isRepl() ? false : undefined
                 });
 
                 if (seekTime) {

src/utils/Util.ts

@@ -127,6 +127,24 @@ export class Util {
                 .catch(() => resolve([]));
         });
     }
+
+    static isRepl() {
+        if ('DP_REPL_NOCHECK' in process.env) return false;
+
+        const REPL_IT_PROPS = [
+            'REPL_SLUG',
+            'REPL_OWNER',
+            'REPL_IMAGE',
+            'REPL_PUBKEYS',
+            'REPL_ID',
+            'REPL_LANGUAGE',
+            'REPLIT_DB_URL'
+        ];
+
+        for (const prop of REPL_IT_PROPS) if (prop in process.env) return true;
+
+        return false;
+    }
 }
 
 export default Util;