fix gui freeze bug (work round)

core/model/player.go

@@ -0,0 +1,18 @@
+package model
+
+type AudioDevice struct {
+	Name        string
+	Description string
+}
+
+type PlayerPropertyValue any
+type PlayerProperty string
+
+const (
+	PlayerPropIdleActive PlayerProperty = "idle-active"
+	PlayerPropTimePos    PlayerProperty = "time-pos"
+	PlayerPropDuration   PlayerProperty = "duration"
+	PlayerPropPercentPos PlayerProperty = "percent-pos"
+	PlayerPropPause      PlayerProperty = "pause"
+	PlayerPropVolume     PlayerProperty = "volume"
+)