Pass settings model to ARDAppClient instead of individual settings.

webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m

Index: webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m
diff --git a/webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m b/webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m
index bcf26b258e745076693a60778653b98b5cc83dbf..ab95aaa7f39c3118f9bb325eb1003b56a8cf009c 100644
--- a/webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m
+++ b/webrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m
@@ -369,9 +369,9 @@ static NSUInteger const kBottomViewHeight = 200;
   }
 
   [_client disconnect];
-  ARDAppClient *client = [[ARDAppClient alloc] initWithDelegate:self
-                                               preferVideoCodec:@"H264"];
+  ARDAppClient* client = [[ARDAppClient alloc] initWithDelegate:self];
   [client connectToRoomWithId:roomId
+                usingSettings:[[ARDSettingsModel alloc] init]

[daniela-webrtc, 2017/03/26 15:49:48]

Maybe passing nil here for the settings parameter would be better as it better
conveys the no-op nature of the settings here

[sakal, 2017/03/27 13:34:24]

The reason I do it this way is that I want to use the default values defined by
ARDSettingsModel.

[daniela-webrtc, 2017/03/27 13:49:07]

Acknowledged.

                    isLoopback:isLoopback
                   isAudioOnly:NO
             shouldMakeAecDump:NO