Remove devices list and device vector length check

internal/mixer/mixer.go

@@ -103,13 +103,17 @@ func openDeviceLocked(name string) error {
 // Play loads a WAV (as music) and plays it. If loopForever is true, loops forever.
 // If something is already playing, it stops and replaces it.
 func Play(path string, loopForever bool, cfg *db.AppConfig) error {
+	// Check if audio is enabled or disabled
 	if !cfg.AudioEnabled {
 		return nil
 	}
 
+	// Lock the mutex
 	mu.Lock()
 	defer mu.Unlock()
 
+	// Check if mixer has been initialized and that a device is open
+	// JUMP: This is where the issue is...
 	if !inited || !deviceOpen {
 		logger.Error("audio mixer not initialized")
 		return errors.New("audio mixer not initialized")
@@ -126,10 +130,12 @@ func Play(path string, loopForever bool, cfg *db.AppConfig) error {
 		currentMusic = nil
 	}
 
+	// Load the music file
 	m, err := mix.LoadMUS(path)
 	if err != nil {
 		return fmt.Errorf("LoadMUS(%q): %w", path, err)
 	}
+	// Set current music to the loaded music file
 	currentMusic = m
 	currentPath = path
 	if loopForever {