feat(ios) add ability to inject a custom RTCAudioDevice implementation

It allows for full control over the audio handling.

ios/sdk/src/JitsiMeet.h

@@ -40,6 +40,13 @@
  */
 @property (nonatomic, nullable) JitsiMeetConferenceOptions *defaultConferenceOptions;
 
+/**
+ * Custom RTCAudioDevice implementation.
+ * https://github.com/jitsi/webrtc/blob/M124/sdk/objc/components/audio/RTCAudioDevice.h
+ * https://github.com/mstyura/RTCAudioDevice
+ */
+@property (nonatomic, strong, nullable) id rtcAudioDevice;
+
 #pragma mark - This class is a singleton
 
 + (instancetype _Nonnull)sharedInstance;

ios/sdk/src/JitsiMeet.m

@@ -54,15 +54,6 @@
 
 - (instancetype)init {
     if (self = [super init]) {
-#if 0
-        // Initialize WebRTC options.
-        WebRTCModuleOptions *options = [WebRTCModuleOptions sharedInstance];
-        options.loggingSeverity = RTCLoggingSeverityInfo;
-#endif
-
-        // Initialize the one and only bridge for interfacing with React Native.
-        _bridgeWrapper = [[RCTBridgeWrapper alloc] init];
-
         // Initialize the listener for handling start/stop screensharing notifications.
         _screenshareEventEmiter = [[ScheenshareEventEmiter alloc] init];
 
@@ -142,6 +133,16 @@
         return;
     };
 
+    // Initialize WebRTC options.
+    WebRTCModuleOptions *options = [WebRTCModuleOptions sharedInstance];
+    if (_rtcAudioDevice != nil) {
+        options.audioDevice = _rtcAudioDevice;
+    }
+#if 0
+    options.loggingSeverity = RTCLoggingSeverityInfo;
+#endif
+
+    // Initialize the one and only bridge for interfacing with React Native.
     _bridgeWrapper = [[RCTBridgeWrapper alloc] init];
 }
 
@@ -249,6 +250,8 @@
 }
 
 - (RCTBridge *)getReactBridge {
+    // Initialize bridge lazily.
+    [self instantiateReactNativeBridge];
     return _bridgeWrapper.bridge;
 }