Use new RTCCameraVideoCapturer in AppRTCMobile.

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

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #import "APPRTCViewController.h"
 
 #import <AVFoundation/AVFoundation.h>
 
 #import "WebRTC/RTCMTLNSVideoView.h"
 #import "WebRTC/RTCNSGLVideoView.h"
 #import "WebRTC/RTCVideoTrack.h"
 
 #import "ARDAppClient.h"
+#import "ARDCaptureController.h"
 #import "ARDSettingsModel.h"
 
 static NSUInteger const kContentWidth = 900;
 static NSUInteger const kRoomFieldWidth = 200;
 static NSUInteger const kActionItemHeight = 30;
 static NSUInteger const kBottomViewHeight = 200;
 
 @class APPRTCMainView;
 @protocol APPRTCMainViewDelegate
 
@@ skipping 262 matching lines @@
 
 @interface APPRTCViewController ()
     <ARDAppClientDelegate, APPRTCMainViewDelegate>
 @property(nonatomic, readonly) APPRTCMainView* mainView;
 @end
 
 @implementation APPRTCViewController {
   ARDAppClient* _client;
   RTCVideoTrack* _localVideoTrack;
   RTCVideoTrack* _remoteVideoTrack;
+  ARDCaptureController* _captureController;
 }
 
 - (void)dealloc {
   [self disconnect];
 }
 
 - (void)viewDidAppear {
   [super viewDidAppear];
   [self displayUsageInstructions];
 }
@@ skipping 34 matching lines @@
       [self resetUI];
       _client = nil;
       break;
   }
 }
 
 - (void)appClient:(ARDAppClient *)client
     didChangeConnectionState:(RTCIceConnectionState)state {
 }
 
+- (void)appClient:(ARDAppClient*)client
+    didCreateLocalCapturer:(RTCCameraVideoCapturer*)localCapturer {
+  _captureController =
+      [[ARDCaptureController alloc] initWithCapturer:localCapturer
+                                            settings:[[ARDSettingsModel alloc] init]];
+  [_captureController startCapture];
+}
+
 - (void)appClient:(ARDAppClient *)client
     didReceiveLocalVideoTrack:(RTCVideoTrack *)localVideoTrack {
   _localVideoTrack = localVideoTrack;
   [_localVideoTrack addRenderer:self.mainView.localVideoView];
 }
 
 - (void)appClient:(ARDAppClient *)client
     didReceiveRemoteVideoTrack:(RTCVideoTrack *)remoteVideoTrack {
   _remoteVideoTrack = remoteVideoTrack;
   [_remoteVideoTrack addRenderer:self.mainView.remoteVideoView];
@@ skipping 13 matching lines @@
 
 - (void)appRTCMainView:(APPRTCMainView*)mainView
         didEnterRoomId:(NSString*)roomId
               loopback:(BOOL)isLoopback {
 
   if ([roomId isEqualToString:@""]) {
     [self.mainView displayLogMessage:@"Missing room id"];
     return;
   }
 
-  [_client disconnect];
+  [self disconnect];
   ARDAppClient* client = [[ARDAppClient alloc] initWithDelegate:self];
   [client connectToRoomWithId:roomId
                      settings:[[ARDSettingsModel alloc] init]  // Use default settings.
                    isLoopback:isLoopback
                   isAudioOnly:NO
             shouldMakeAecDump:NO
         shouldUseLevelControl:NO];
   _client = client;
 }
 
@@ skipping 13 matching lines @@
   [_remoteVideoTrack removeRenderer:self.mainView.remoteVideoView];
   [_localVideoTrack removeRenderer:self.mainView.localVideoView];
   _remoteVideoTrack = nil;
   _localVideoTrack = nil;
   [self.mainView.remoteVideoView renderFrame:nil];
   [self.mainView.localVideoView renderFrame:nil];
 }
 
 - (void)disconnect {
   [self resetUI];
+  [_captureController stopCapture];
+  _captureController = nil;
   [_client disconnect];
 }
 
 @end