v0.1.0 initial commit

audio/mute.go

@@ -0,0 +1,27 @@
+package audio
+
+// Muter gates playback of a wrapped Engine. The mute state is a host concern:
+// the engine state machine is unaware and both backends stay untouched
+type Muter struct {
+	Engine
+	muted bool
+}
+
+func NewMuter(e Engine) *Muter { return &Muter{Engine: e} }
+
+// Play forwards to the wrapped Engine unless gated. In-flight pw-play
+// processes are not killed; effects are under 300ms
+func (m *Muter) Play(fx Effect) {
+	if !m.muted {
+		m.Engine.Play(fx)
+	}
+}
+
+// Toggle flips the gate and reports the new muted state
+func (m *Muter) Toggle() bool {
+	m.muted = !m.muted
+	return m.muted
+}
+
+// Muted reports whether playback is gated
+func (m *Muter) Muted() bool { return m.muted }