Expose engine properties

Sources/LiveKit/Track/AudioManager.swift

@@ -101,10 +101,10 @@
         public var localTracksCount: Int = 0
         public var remoteTracksCount: Int = 0
         public var isSpeakerOutputPreferred: Bool = true
         public var customConfigureFunc: ConfigureAudioSessionFunc?
         public var sessionConfiguration: AudioSessionConfiguration?
 
         public var trackState: TrackState {
             switch (localTracksCount > 0, remoteTracksCount > 0) {
             case (true, false): return .localOnly
             case (false, true): return .remoteOnly
@@ -286,17 +286,19 @@
         set { RTC.audioDeviceModule.muteMode = newValue ? .restartEngine : .voiceProcessing }
     }
 
-    // MARK: - For testing
-
-    var isEngineRunning: Bool {
+    public var isEngineRunning: Bool {
         RTC.audioDeviceModule.isEngineRunning
     }
 
-    var isMicrophoneMuted: Bool {
+    /// The mute state of internal audio engine which uses Voice Processing I/O mute API ``AVAudioInputNode.isVoiceProcessingInputMuted``.
+    /// Normally, you do not need to set this manually since it will be handled automatically.
+    public var isMicrophoneMuted: Bool {
         get { RTC.audioDeviceModule.isMicrophoneMuted }
         set { RTC.audioDeviceModule.isMicrophoneMuted = newValue }
     }
 
+    // MARK: - For testing
+
     var engineState: RTCAudioEngineState {
         get { RTC.audioDeviceModule.engineState }
         set { RTC.audioDeviceModule.engineState = newValue }