From 7a90328900ffe2fb3f87ef850806d7bc8fdfe93b Mon Sep 17 00:00:00 2001
From: "hasinarak3@gmail.com" <hasinarak3@gmail.com>
Date: Wed, 28 Jan 2026 16:06:53 +0300
Subject: [PATCH] GlobalScope => CoroutineScope in
 ABMonitor'DelicateCoroutinesApi' warning.

---
 .../kotlin/mg/dot/feufaro/midi/MidiPlayer.kt          | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/composeApp/src/desktopMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt b/composeApp/src/desktopMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt
index b6625fe..771e54e 100644
--- a/composeApp/src/desktopMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt
+++ b/composeApp/src/desktopMain/kotlin/mg/dot/feufaro/midi/MidiPlayer.kt
@@ -1,6 +1,11 @@
 package mg.dot.feufaro.midi
 
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import mg.dot.feufaro.FileRepository
@@ -38,6 +43,8 @@ actual class MediaPlayer actual constructor(
     private var currentGlobalVolume: Float = 0.8f
 
     private var currentTempo: Float = 1.0f
+    private val playerScope = CoroutineScope(Dispatchers.Default + SupervisorJob())
+    private var abJob: Job? = null
 
     init {
         try {
@@ -90,6 +97,7 @@ actual class MediaPlayer actual constructor(
     fun release() {
         sequencer?.close()
         synthetizer?.close()
+        playerScope.cancel()
     }
     actual fun setVolume(level: Float) {
         try {
@@ -139,7 +147,8 @@ actual class MediaPlayer actual constructor(
         pointB = -1L
     }
     private fun startABMonitor() {
-        GlobalScope.launch {
+        abJob?.cancel()
+        abJob = playerScope.launch {
             while(isLoopingAB) {
                 val currentTick = sequencer?.tickPosition?: 0L
                 if (currentTick >= pointB) {