Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

44 files changed, 2253 insertions, 0 deletions

diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDAppDelegate.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDAppDelegate.h
new file mode 100644
index 0000000000..7eafff8ebc
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDAppDelegate.h
@@ -0,0 +1,17 @@
+/*
+ *  Copyright 2013 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 <UIKit/UIKit.h>
+
+// The main application class of the AppRTCMobile iOS app demonstrating
+// interoperability between the Objective C implementation of PeerConnection
+// and the appr.tc demo webapp.
+@interface ARDAppDelegate : NSObject <UIApplicationDelegate>
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDAppDelegate.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDAppDelegate.m
new file mode 100644
index 0000000000..51e9910b87
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDAppDelegate.m
@@ -0,0 +1,56 @@
+/*
+ *  Copyright 2013 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 "ARDAppDelegate.h"
+
+#import "sdk/objc/api/peerconnection/RTCFieldTrials.h"
+#import "sdk/objc/api/peerconnection/RTCSSLAdapter.h"
+#import "sdk/objc/api/peerconnection/RTCTracing.h"
+#import "sdk/objc/base/RTCLogging.h"
+
+#import "ARDMainViewController.h"
+
+@implementation ARDAppDelegate {
+  UIWindow *_window;
+}
+
+#pragma mark - UIApplicationDelegate methods
+
+- (BOOL)application:(UIApplication *)application
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  NSDictionary *fieldTrials = @{};
+  RTCInitFieldTrialDictionary(fieldTrials);
+  RTCInitializeSSL();
+  RTCSetupInternalTracer();
+  _window =  [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+  [_window makeKeyAndVisible];
+  ARDMainViewController *viewController = [[ARDMainViewController alloc] init];
+
+  UINavigationController *root =
+      [[UINavigationController alloc] initWithRootViewController:viewController];
+  root.navigationBar.translucent = NO;
+  _window.rootViewController = root;
+
+#if defined(NDEBUG)
+  // In debug builds the default level is LS_INFO and in non-debug builds it is
+  // disabled. Continue to log to console in non-debug builds, but only
+  // warnings and errors.
+  RTCSetMinDebugLogLevel(RTCLoggingSeverityWarning);
+#endif
+
+  return YES;
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+  RTCShutdownInternalTracer();
+  RTCCleanupSSL();
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.h
new file mode 100644
index 0000000000..82f8fcdd1b
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.h
@@ -0,0 +1,42 @@
+/*
+ *  Copyright 2017 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 <Foundation/Foundation.h>
+
+#import "sdk/objc/base/RTCMacros.h"
+
+@class RTC_OBJC_TYPE(RTCFileVideoCapturer);
+
+/**
+ * Controls a file capturer.
+ */
+NS_CLASS_AVAILABLE_IOS(10)
+@interface ARDFileCaptureController : NSObject
+
+/**
+ * Creates instance of the controller.
+ *
+ * @param capturer The capturer to be controlled.
+ */
+- (instancetype)initWithCapturer:(RTC_OBJC_TYPE(RTCFileVideoCapturer) *)capturer;
+
+/**
+ * Starts the file capturer.
+ *
+ * Possible errors produced by the capturer will be logged.
+ */
+- (void)startCapture;
+
+/**
+ * Immediately stops capturer.
+ */
+- (void)stopCapture;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m
new file mode 100644
index 0000000000..2ddde6dd59
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m
@@ -0,0 +1,45 @@
+/*
+ *  Copyright 2017 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 "ARDFileCaptureController.h"
+
+#import "sdk/objc/components/capturer/RTCFileVideoCapturer.h"
+
+@interface ARDFileCaptureController ()
+
+@property(nonatomic, strong) RTC_OBJC_TYPE(RTCFileVideoCapturer) * fileCapturer;
+
+@end
+
+@implementation ARDFileCaptureController
+@synthesize fileCapturer = _fileCapturer;
+
+- (instancetype)initWithCapturer:(RTC_OBJC_TYPE(RTCFileVideoCapturer) *)capturer {
+  if (self = [super init]) {
+    _fileCapturer = capturer;
+  }
+  return self;
+}
+
+- (void)startCapture {
+  [self startFileCapture];
+}
+
+- (void)startFileCapture {
+  [self.fileCapturer startCapturingFromFileNamed:@"foreman.mp4"
+                                         onError:^(NSError *_Nonnull error) {
+                                           NSLog(@"Error %@", error.userInfo);
+                                         }];
+}
+
+- (void)stopCapture {
+  [self.fileCapturer stopCapture];
+}
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainView.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainView.h
new file mode 100644
index 0000000000..c6691c2d84
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainView.h
@@ -0,0 +1,30 @@
+/*
+ *  Copyright 2015 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 <UIKit/UIKit.h>
+
+@class ARDMainView;
+
+@protocol ARDMainViewDelegate <NSObject>
+
+- (void)mainView:(ARDMainView *)mainView didInputRoom:(NSString *)room isLoopback:(BOOL)isLoopback;
+- (void)mainViewDidToggleAudioLoop:(ARDMainView *)mainView;
+
+@end
+
+// The main view of AppRTCMobile. It contains an input field for entering a room
+// name on apprtc to connect to.
+@interface ARDMainView : UIView
+
+@property(nonatomic, weak) id<ARDMainViewDelegate> delegate;
+// Updates the audio loop button as needed.
+@property(nonatomic, assign) BOOL isAudioLoopPlaying;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainView.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainView.m
new file mode 100644
index 0000000000..d9521060eb
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainView.m
@@ -0,0 +1,196 @@
+/*
+ *  Copyright 2015 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 "ARDMainView.h"
+
+#import "UIImage+ARDUtilities.h"
+
+static CGFloat const kRoomTextFieldHeight = 40;
+static CGFloat const kRoomTextFieldMargin = 8;
+static CGFloat const kCallControlMargin = 8;
+
+// Helper view that contains a text field and a clear button.
+@interface ARDRoomTextField : UIView <UITextFieldDelegate>
+@property(nonatomic, readonly) NSString *roomText;
+@end
+
+@implementation ARDRoomTextField {
+  UITextField *_roomText;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame {
+  if (self = [super initWithFrame:frame]) {
+    _roomText = [[UITextField alloc] initWithFrame:CGRectZero];
+    _roomText.borderStyle = UITextBorderStyleNone;
+    _roomText.font = [UIFont systemFontOfSize:12];
+    _roomText.placeholder = @"Room name";
+    _roomText.autocorrectionType = UITextAutocorrectionTypeNo;
+    _roomText.autocapitalizationType = UITextAutocapitalizationTypeNone;
+    _roomText.clearButtonMode = UITextFieldViewModeAlways;
+    _roomText.delegate = self;
+    [self addSubview:_roomText];
+
+    // Give rounded corners and a light gray border.
+    self.layer.borderWidth = 1;
+    self.layer.borderColor = [[UIColor lightGrayColor] CGColor];
+    self.layer.cornerRadius = 2;
+  }
+  return self;
+}
+
+- (void)layoutSubviews {
+  _roomText.frame =
+      CGRectMake(kRoomTextFieldMargin, 0, CGRectGetWidth(self.bounds) - kRoomTextFieldMargin,
+                 kRoomTextFieldHeight);
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+  size.height = kRoomTextFieldHeight;
+  return size;
+}
+
+- (NSString *)roomText {
+  return _roomText.text;
+}
+
+#pragma mark - UITextFieldDelegate
+
+- (BOOL)textFieldShouldReturn:(UITextField *)textField {
+  // There is no other control that can take focus, so manually resign focus
+  // when return (Join) is pressed to trigger `textFieldDidEndEditing`.
+  [textField resignFirstResponder];
+  return YES;
+}
+
+@end
+
+@implementation ARDMainView {
+  ARDRoomTextField *_roomText;
+  UIButton *_startRegularCallButton;
+  UIButton *_startLoopbackCallButton;
+  UIButton *_audioLoopButton;
+}
+
+@synthesize delegate = _delegate;
+@synthesize isAudioLoopPlaying = _isAudioLoopPlaying;
+
+- (instancetype)initWithFrame:(CGRect)frame {
+  if (self = [super initWithFrame:frame]) {
+    _roomText = [[ARDRoomTextField alloc] initWithFrame:CGRectZero];
+    [self addSubview:_roomText];
+
+    UIFont *controlFont = [UIFont boldSystemFontOfSize:18.0];
+    UIColor *controlFontColor = [UIColor whiteColor];
+
+    _startRegularCallButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    _startRegularCallButton.titleLabel.font = controlFont;
+    [_startRegularCallButton setTitleColor:controlFontColor forState:UIControlStateNormal];
+    _startRegularCallButton.backgroundColor
+        = [UIColor colorWithRed:66.0/255.0 green:200.0/255.0 blue:90.0/255.0 alpha:1.0];
+    [_startRegularCallButton setTitle:@"Call room" forState:UIControlStateNormal];
+    [_startRegularCallButton addTarget:self
+                                action:@selector(onStartRegularCall:)
+                      forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:_startRegularCallButton];
+
+    _startLoopbackCallButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    _startLoopbackCallButton.titleLabel.font = controlFont;
+    [_startLoopbackCallButton setTitleColor:controlFontColor forState:UIControlStateNormal];
+    _startLoopbackCallButton.backgroundColor =
+        [UIColor colorWithRed:0.0 green:122.0/255.0 blue:1.0 alpha:1.0];
+    [_startLoopbackCallButton setTitle:@"Loopback call" forState:UIControlStateNormal];
+    [_startLoopbackCallButton addTarget:self
+                                 action:@selector(onStartLoopbackCall:)
+                       forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:_startLoopbackCallButton];
+
+
+    // Used to test what happens to sounds when calls are in progress.
+    _audioLoopButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    _audioLoopButton.titleLabel.font = controlFont;
+    [_audioLoopButton setTitleColor:controlFontColor forState:UIControlStateNormal];
+    _audioLoopButton.backgroundColor =
+        [UIColor colorWithRed:1.0 green:149.0/255.0 blue:0.0 alpha:1.0];
+    [self updateAudioLoopButton];
+    [_audioLoopButton addTarget:self
+                         action:@selector(onToggleAudioLoop:)
+               forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:_audioLoopButton];
+
+    self.backgroundColor = [UIColor whiteColor];
+  }
+  return self;
+}
+
+- (void)setIsAudioLoopPlaying:(BOOL)isAudioLoopPlaying {
+  if (_isAudioLoopPlaying == isAudioLoopPlaying) {
+    return;
+  }
+  _isAudioLoopPlaying = isAudioLoopPlaying;
+  [self updateAudioLoopButton];
+}
+
+- (void)layoutSubviews {
+  CGRect bounds = self.bounds;
+  CGFloat roomTextWidth = bounds.size.width - 2 * kRoomTextFieldMargin;
+  CGFloat roomTextHeight = [_roomText sizeThatFits:bounds.size].height;
+  _roomText.frame =
+      CGRectMake(kRoomTextFieldMargin, kRoomTextFieldMargin, roomTextWidth,
+                 roomTextHeight);
+
+  CGFloat buttonHeight =
+      (CGRectGetMaxY(self.bounds) - CGRectGetMaxY(_roomText.frame) - kCallControlMargin * 4) / 3;
+
+  CGFloat regularCallFrameTop = CGRectGetMaxY(_roomText.frame) + kCallControlMargin;
+  CGRect regularCallFrame = CGRectMake(kCallControlMargin,
+                                       regularCallFrameTop,
+                                       bounds.size.width - 2*kCallControlMargin,
+                                       buttonHeight);
+
+  CGFloat loopbackCallFrameTop = CGRectGetMaxY(regularCallFrame) + kCallControlMargin;
+  CGRect loopbackCallFrame = CGRectMake(kCallControlMargin,
+                                        loopbackCallFrameTop,
+                                        bounds.size.width - 2*kCallControlMargin,
+                                        buttonHeight);
+
+  CGFloat audioLoopTop = CGRectGetMaxY(loopbackCallFrame) + kCallControlMargin;
+  CGRect audioLoopFrame = CGRectMake(kCallControlMargin,
+                                     audioLoopTop,
+                                     bounds.size.width - 2*kCallControlMargin,
+                                     buttonHeight);
+
+  _startRegularCallButton.frame = regularCallFrame;
+  _startLoopbackCallButton.frame = loopbackCallFrame;
+  _audioLoopButton.frame = audioLoopFrame;
+}
+
+#pragma mark - Private
+
+- (void)updateAudioLoopButton {
+  if (_isAudioLoopPlaying) {
+    [_audioLoopButton setTitle:@"Stop sound" forState:UIControlStateNormal];
+  } else {
+    [_audioLoopButton setTitle:@"Play sound" forState:UIControlStateNormal];
+  }
+}
+
+- (void)onToggleAudioLoop:(id)sender {
+  [_delegate mainViewDidToggleAudioLoop:self];
+}
+
+- (void)onStartRegularCall:(id)sender {
+  [_delegate mainView:self didInputRoom:_roomText.roomText isLoopback:NO];
+}
+
+- (void)onStartLoopbackCall:(id)sender {
+  [_delegate mainView:self didInputRoom:_roomText.roomText isLoopback:YES];
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainViewController.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainViewController.h
new file mode 100644
index 0000000000..e5c92dd304
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainViewController.h
@@ -0,0 +1,14 @@
+/*
+ *  Copyright 2015 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 <UIKit/UIKit.h>
+
+@interface ARDMainViewController : UIViewController
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainViewController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainViewController.m
new file mode 100644
index 0000000000..e8b8112e41
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDMainViewController.m
@@ -0,0 +1,263 @@
+/*
+ *  Copyright 2015 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 "ARDMainViewController.h"
+
+#import <AVFoundation/AVFoundation.h>
+
+#import "sdk/objc/base/RTCLogging.h"
+#import "sdk/objc/components/audio/RTCAudioSession.h"
+#import "sdk/objc/components/audio/RTCAudioSessionConfiguration.h"
+#import "sdk/objc/helpers/RTCDispatcher.h"
+
+#import "ARDAppClient.h"
+#import "ARDMainView.h"
+#import "ARDSettingsModel.h"
+#import "ARDSettingsViewController.h"
+#import "ARDVideoCallViewController.h"
+
+static NSString *const barButtonImageString = @"ic_settings_black_24dp.png";
+
+// Launch argument to be passed to indicate that the app should start loopback immediatly
+static NSString *const loopbackLaunchProcessArgument = @"loopback";
+
+@interface ARDMainViewController () <ARDMainViewDelegate,
+                                     ARDVideoCallViewControllerDelegate,
+                                     RTC_OBJC_TYPE (RTCAudioSessionDelegate)>
+@property(nonatomic, strong) ARDMainView *mainView;
+@property(nonatomic, strong) AVAudioPlayer *audioPlayer;
+@end
+
+@implementation ARDMainViewController {
+  BOOL _useManualAudio;
+}
+
+@synthesize mainView = _mainView;
+@synthesize audioPlayer = _audioPlayer;
+
+- (void)viewDidLoad {
+  [super viewDidLoad];
+  if ([[[NSProcessInfo processInfo] arguments] containsObject:loopbackLaunchProcessArgument]) {
+    [self mainView:nil didInputRoom:@"" isLoopback:YES];
+  }
+}
+
+- (void)loadView {
+  self.title = @"AppRTC Mobile";
+  _mainView = [[ARDMainView alloc] initWithFrame:CGRectZero];
+  _mainView.delegate = self;
+  self.view = _mainView;
+  [self addSettingsBarButton];
+
+  RTC_OBJC_TYPE(RTCAudioSessionConfiguration) *webRTCConfig =
+      [RTC_OBJC_TYPE(RTCAudioSessionConfiguration) webRTCConfiguration];
+  webRTCConfig.categoryOptions = webRTCConfig.categoryOptions |
+      AVAudioSessionCategoryOptionDefaultToSpeaker;
+  [RTC_OBJC_TYPE(RTCAudioSessionConfiguration) setWebRTCConfiguration:webRTCConfig];
+
+  RTC_OBJC_TYPE(RTCAudioSession) *session = [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+  [session addDelegate:self];
+
+  [self configureAudioSession];
+  [self setupAudioPlayer];
+}
+
+- (void)addSettingsBarButton {
+  UIBarButtonItem *settingsButton =
+      [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:barButtonImageString]
+                                       style:UIBarButtonItemStylePlain
+                                      target:self
+                                      action:@selector(showSettings:)];
+  self.navigationItem.rightBarButtonItem = settingsButton;
+}
+
++ (NSString *)loopbackRoomString {
+  NSString *loopbackRoomString =
+      [[NSUUID UUID].UUIDString stringByReplacingOccurrencesOfString:@"-" withString:@""];
+  return loopbackRoomString;
+}
+
+#pragma mark - ARDMainViewDelegate
+
+- (void)mainView:(ARDMainView *)mainView didInputRoom:(NSString *)room isLoopback:(BOOL)isLoopback {
+  if (!room.length) {
+    if (isLoopback) {
+      // If this is a loopback call, allow a generated room name.
+      room = [[self class] loopbackRoomString];
+    } else {
+      [self showAlertWithMessage:@"Missing room name."];
+      return;
+    }
+  }
+  // Trim whitespaces.
+  NSCharacterSet *whitespaceSet = [NSCharacterSet whitespaceCharacterSet];
+  NSString *trimmedRoom = [room stringByTrimmingCharactersInSet:whitespaceSet];
+
+  // Check that room name is valid.
+  NSError *error = nil;
+  NSRegularExpressionOptions options = NSRegularExpressionCaseInsensitive;
+  NSRegularExpression *regex =
+      [NSRegularExpression regularExpressionWithPattern:@"\\w+"
+                                                options:options
+                                                  error:&error];
+  if (error) {
+    [self showAlertWithMessage:error.localizedDescription];
+    return;
+  }
+  NSRange matchRange =
+      [regex rangeOfFirstMatchInString:trimmedRoom
+                               options:0
+                                 range:NSMakeRange(0, trimmedRoom.length)];
+  if (matchRange.location == NSNotFound ||
+      matchRange.length != trimmedRoom.length) {
+    [self showAlertWithMessage:@"Invalid room name."];
+    return;
+  }
+
+  ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
+
+  RTC_OBJC_TYPE(RTCAudioSession) *session = [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+  session.useManualAudio = [settingsModel currentUseManualAudioConfigSettingFromStore];
+  session.isAudioEnabled = NO;
+
+  // Kick off the video call.
+  ARDVideoCallViewController *videoCallViewController =
+      [[ARDVideoCallViewController alloc] initForRoom:trimmedRoom
+                                           isLoopback:isLoopback
+                                             delegate:self];
+  videoCallViewController.modalTransitionStyle =
+      UIModalTransitionStyleCrossDissolve;
+  videoCallViewController.modalPresentationStyle = UIModalPresentationFullScreen;
+  [self presentViewController:videoCallViewController
+                     animated:YES
+                   completion:nil];
+}
+
+- (void)mainViewDidToggleAudioLoop:(ARDMainView *)mainView {
+  if (mainView.isAudioLoopPlaying) {
+    [_audioPlayer stop];
+  } else {
+    [_audioPlayer play];
+  }
+  mainView.isAudioLoopPlaying = _audioPlayer.playing;
+}
+
+#pragma mark - ARDVideoCallViewControllerDelegate
+
+- (void)viewControllerDidFinish:(ARDVideoCallViewController *)viewController {
+  if (![viewController isBeingDismissed]) {
+    RTCLog(@"Dismissing VC");
+    [self dismissViewControllerAnimated:YES completion:^{
+      [self restartAudioPlayerIfNeeded];
+    }];
+  }
+  RTC_OBJC_TYPE(RTCAudioSession) *session = [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+  session.isAudioEnabled = NO;
+}
+
+#pragma mark - RTC_OBJC_TYPE(RTCAudioSessionDelegate)
+
+- (void)audioSessionDidStartPlayOrRecord:(RTC_OBJC_TYPE(RTCAudioSession) *)session {
+  // Stop playback on main queue and then configure WebRTC.
+  [RTC_OBJC_TYPE(RTCDispatcher)
+      dispatchAsyncOnType:RTCDispatcherTypeMain
+                    block:^{
+                      if (self.mainView.isAudioLoopPlaying) {
+                        RTCLog(@"Stopping audio loop due to WebRTC start.");
+                        [self.audioPlayer stop];
+                      }
+                      RTCLog(@"Setting isAudioEnabled to YES.");
+                      session.isAudioEnabled = YES;
+                    }];
+}
+
+- (void)audioSessionDidStopPlayOrRecord:(RTC_OBJC_TYPE(RTCAudioSession) *)session {
+  // WebRTC is done with the audio session. Restart playback.
+  [RTC_OBJC_TYPE(RTCDispatcher) dispatchAsyncOnType:RTCDispatcherTypeMain
+                                              block:^{
+                                                RTCLog(@"audioSessionDidStopPlayOrRecord");
+                                                [self restartAudioPlayerIfNeeded];
+                                              }];
+}
+
+#pragma mark - Private
+- (void)showSettings:(id)sender {
+  ARDSettingsViewController *settingsController =
+      [[ARDSettingsViewController alloc] initWithStyle:UITableViewStyleGrouped
+                                         settingsModel:[[ARDSettingsModel alloc] init]];
+
+  UINavigationController *navigationController =
+      [[UINavigationController alloc] initWithRootViewController:settingsController];
+  [self presentViewControllerAsModal:navigationController];
+}
+
+- (void)presentViewControllerAsModal:(UIViewController *)viewController {
+  [self presentViewController:viewController animated:YES completion:nil];
+}
+
+- (void)configureAudioSession {
+  RTC_OBJC_TYPE(RTCAudioSessionConfiguration) *configuration =
+      [[RTC_OBJC_TYPE(RTCAudioSessionConfiguration) alloc] init];
+  configuration.category = AVAudioSessionCategoryAmbient;
+  configuration.categoryOptions = AVAudioSessionCategoryOptionDuckOthers;
+  configuration.mode = AVAudioSessionModeDefault;
+
+  RTC_OBJC_TYPE(RTCAudioSession) *session = [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+  [session lockForConfiguration];
+  BOOL hasSucceeded = NO;
+  NSError *error = nil;
+  if (session.isActive) {
+    hasSucceeded = [session setConfiguration:configuration error:&error];
+  } else {
+    hasSucceeded = [session setConfiguration:configuration
+                                      active:YES
+                                       error:&error];
+  }
+  if (!hasSucceeded) {
+    RTCLogError(@"Error setting configuration: %@", error.localizedDescription);
+  }
+  [session unlockForConfiguration];
+}
+
+- (void)setupAudioPlayer {
+  NSString *audioFilePath =
+      [[NSBundle mainBundle] pathForResource:@"mozart" ofType:@"mp3"];
+  NSURL *audioFileURL = [NSURL URLWithString:audioFilePath];
+  _audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:audioFileURL
+                                                        error:nil];
+  _audioPlayer.numberOfLoops = -1;
+  _audioPlayer.volume = 1.0;
+  [_audioPlayer prepareToPlay];
+}
+
+- (void)restartAudioPlayerIfNeeded {
+  [self configureAudioSession];
+  if (_mainView.isAudioLoopPlaying && !self.presentedViewController) {
+    RTCLog(@"Starting audio loop due to WebRTC end.");
+    [_audioPlayer play];
+  }
+}
+
+- (void)showAlertWithMessage:(NSString*)message {
+  UIAlertController *alert =
+      [UIAlertController alertControllerWithTitle:nil
+                                          message:message
+                                   preferredStyle:UIAlertControllerStyleAlert];
+
+  UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:@"OK"
+                                                          style:UIAlertActionStyleDefault
+                                                        handler:^(UIAlertAction *action){
+                                                        }];
+
+  [alert addAction:defaultAction];
+  [self presentViewController:alert animated:YES completion:nil];
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.h
new file mode 100644
index 0000000000..759af5416f
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.h
@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2016 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 <UIKit/UIKit.h>
+
+@class ARDSettingsModel;
+
+NS_ASSUME_NONNULL_BEGIN
+/**
+ * Displays settings options.
+ */
+@interface ARDSettingsViewController : UITableViewController
+
+/**
+ * Creates new instance.
+ *
+ * @param style the table view style that should be used
+ * @param settingsModel model class for the user settings.
+ */
+- (instancetype)initWithStyle:(UITableViewStyle)style
+                settingsModel:(ARDSettingsModel *)settingsModel;
+
+#pragma mark - Unavailable
+
+- (instancetype)initWithStyle:(UITableViewStyle)style NS_UNAVAILABLE;
+- (instancetype)init NS_UNAVAILABLE;
++ (instancetype)new NS_UNAVAILABLE;
+
+@end
+NS_ASSUME_NONNULL_END
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m
new file mode 100644
index 0000000000..9bcbd3aa5c
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m
@@ -0,0 +1,361 @@
+/*
+ *  Copyright 2016 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 "ARDSettingsViewController.h"
+#import "ARDSettingsModel.h"
+#import "RTCVideoCodecInfo+HumanReadable.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef NS_ENUM(int, ARDSettingsSections) {
+  ARDSettingsSectionAudioSettings = 0,
+  ARDSettingsSectionVideoResolution,
+  ARDSettingsSectionVideoCodec,
+  ARDSettingsSectionBitRate,
+};
+
+typedef NS_ENUM(int, ARDAudioSettingsOptions) {
+  ARDAudioSettingsAudioOnly = 0,
+  ARDAudioSettingsCreateAecDump,
+  ARDAudioSettingsUseManualAudioConfig,
+};
+
+@interface ARDSettingsViewController () <UITextFieldDelegate> {
+  ARDSettingsModel *_settingsModel;
+}
+
+@end
+
+@implementation ARDSettingsViewController
+
+- (instancetype)initWithStyle:(UITableViewStyle)style
+                settingsModel:(ARDSettingsModel *)settingsModel {
+  self = [super initWithStyle:style];
+  if (self) {
+    _settingsModel = settingsModel;
+  }
+  return self;
+}
+
+#pragma mark - View lifecycle
+
+- (void)viewDidLoad {
+  [super viewDidLoad];
+  self.title = @"Settings";
+  [self addDoneBarButton];
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+  [super viewWillAppear:animated];
+}
+
+#pragma mark - Data source
+
+- (NSArray<NSString *> *)videoResolutionArray {
+  return [_settingsModel availableVideoResolutions];
+}
+
+- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)videoCodecArray {
+  return [_settingsModel availableVideoCodecs];
+}
+
+#pragma mark -
+
+- (void)addDoneBarButton {
+  UIBarButtonItem *barItem =
+      [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
+                                                    target:self
+                                                    action:@selector(dismissModally:)];
+  self.navigationItem.leftBarButtonItem = barItem;
+}
+
+#pragma mark - Dismissal of view controller
+
+- (void)dismissModally:(id)sender {
+  [self dismissViewControllerAnimated:YES completion:nil];
+}
+
+#pragma mark - Table view data source
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+  return 4;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+  switch (section) {
+    case ARDSettingsSectionAudioSettings:
+      return 3;
+    case ARDSettingsSectionVideoResolution:
+      return self.videoResolutionArray.count;
+    case ARDSettingsSectionVideoCodec:
+      return self.videoCodecArray.count;
+    default:
+      return 1;
+  }
+}
+
+#pragma mark - Table view delegate helpers
+
+- (void)removeAllAccessories:(UITableView *)tableView
+                   inSection:(int)section
+{
+  for (int i = 0; i < [tableView numberOfRowsInSection:section]; i++) {
+    NSIndexPath *rowPath = [NSIndexPath indexPathForRow:i inSection:section];
+    UITableViewCell *cell = [tableView cellForRowAtIndexPath:rowPath];
+    cell.accessoryType = UITableViewCellAccessoryNone;
+  }
+}
+
+- (void)tableView:(UITableView *)tableView
+updateListSelectionAtIndexPath:(NSIndexPath *)indexPath
+        inSection:(int)section {
+  [self removeAllAccessories:tableView inSection:section];
+  UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
+  cell.accessoryType = UITableViewCellAccessoryCheckmark;
+  [tableView deselectRowAtIndexPath:indexPath animated:YES];
+}
+
+#pragma mark - Table view delegate
+
+- (nullable NSString *)tableView:(UITableView *)tableView
+         titleForHeaderInSection:(NSInteger)section {
+  switch (section) {
+    case ARDSettingsSectionAudioSettings:
+      return @"Audio";
+    case ARDSettingsSectionVideoResolution:
+      return @"Video resolution";
+    case ARDSettingsSectionVideoCodec:
+      return @"Video codec";
+    case ARDSettingsSectionBitRate:
+      return @"Maximum bitrate";
+    default:
+      return @"";
+  }
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView
+         cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+  switch (indexPath.section) {
+    case ARDSettingsSectionAudioSettings:
+      return [self audioSettingsTableViewCellForTableView:tableView atIndexPath:indexPath];
+
+    case ARDSettingsSectionVideoResolution:
+      return [self videoResolutionTableViewCellForTableView:tableView atIndexPath:indexPath];
+
+    case ARDSettingsSectionVideoCodec:
+      return [self videoCodecTableViewCellForTableView:tableView atIndexPath:indexPath];
+
+    case ARDSettingsSectionBitRate:
+      return [self bitrateTableViewCellForTableView:tableView atIndexPath:indexPath];
+
+    default:
+      return [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
+                                    reuseIdentifier:@"identifier"];
+  }
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+  switch (indexPath.section) {
+    case ARDSettingsSectionVideoResolution:
+      [self tableView:tableView disSelectVideoResolutionAtIndex:indexPath];
+      break;
+
+    case ARDSettingsSectionVideoCodec:
+      [self tableView:tableView didSelectVideoCodecCellAtIndexPath:indexPath];
+      break;
+  }
+}
+
+#pragma mark - Table view delegate(Video Resolution)
+
+- (UITableViewCell *)videoResolutionTableViewCellForTableView:(UITableView *)tableView
+                                                  atIndexPath:(NSIndexPath *)indexPath {
+  NSString *dequeueIdentifier = @"ARDSettingsVideoResolutionViewCellIdentifier";
+  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:dequeueIdentifier];
+  if (!cell) {
+    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
+                                  reuseIdentifier:dequeueIdentifier];
+  }
+  NSString *resolution = self.videoResolutionArray[indexPath.row];
+  cell.textLabel.text = resolution;
+  if ([resolution isEqualToString:[_settingsModel currentVideoResolutionSettingFromStore]]) {
+    cell.accessoryType = UITableViewCellAccessoryCheckmark;
+  } else {
+    cell.accessoryType = UITableViewCellAccessoryNone;
+  }
+
+  return cell;
+}
+
+- (void)tableView:(UITableView *)tableView
+    disSelectVideoResolutionAtIndex:(NSIndexPath *)indexPath {
+  [self tableView:tableView
+      updateListSelectionAtIndexPath:indexPath
+                           inSection:ARDSettingsSectionVideoResolution];
+
+  NSString *videoResolution = self.videoResolutionArray[indexPath.row];
+  [_settingsModel storeVideoResolutionSetting:videoResolution];
+}
+
+#pragma mark - Table view delegate(Video Codec)
+
+- (UITableViewCell *)videoCodecTableViewCellForTableView:(UITableView *)tableView
+                                             atIndexPath:(NSIndexPath *)indexPath {
+  NSString *dequeueIdentifier = @"ARDSettingsVideoCodecCellIdentifier";
+  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:dequeueIdentifier];
+  if (!cell) {
+    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
+                                  reuseIdentifier:dequeueIdentifier];
+  }
+  RTC_OBJC_TYPE(RTCVideoCodecInfo) *codec = self.videoCodecArray[indexPath.row];
+  cell.textLabel.text = [codec humanReadableDescription];
+  if ([codec isEqualToCodecInfo:[_settingsModel currentVideoCodecSettingFromStore]]) {
+    cell.accessoryType = UITableViewCellAccessoryCheckmark;
+  } else {
+    cell.accessoryType = UITableViewCellAccessoryNone;
+  }
+
+  return cell;
+}
+
+- (void)tableView:(UITableView *)tableView
+    didSelectVideoCodecCellAtIndexPath:(NSIndexPath *)indexPath {
+  [self tableView:tableView
+    updateListSelectionAtIndexPath:indexPath
+        inSection:ARDSettingsSectionVideoCodec];
+
+  RTC_OBJC_TYPE(RTCVideoCodecInfo) *videoCodec = self.videoCodecArray[indexPath.row];
+  [_settingsModel storeVideoCodecSetting:videoCodec];
+}
+
+#pragma mark - Table view delegate(Bitrate)
+
+- (UITableViewCell *)bitrateTableViewCellForTableView:(UITableView *)tableView
+                                          atIndexPath:(NSIndexPath *)indexPath {
+  NSString *dequeueIdentifier = @"ARDSettingsBitrateCellIdentifier";
+  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:dequeueIdentifier];
+  if (!cell) {
+    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
+                                  reuseIdentifier:dequeueIdentifier];
+
+    UITextField *textField = [[UITextField alloc]
+        initWithFrame:CGRectMake(10, 0, cell.bounds.size.width - 20, cell.bounds.size.height)];
+    NSString *currentMaxBitrate = [_settingsModel currentMaxBitrateSettingFromStore].stringValue;
+    textField.text = currentMaxBitrate;
+    textField.placeholder = @"Enter max bit rate (kbps)";
+    textField.keyboardType = UIKeyboardTypeNumberPad;
+    textField.delegate = self;
+
+    // Numerical keyboards have no return button, we need to add one manually.
+    UIToolbar *numberToolbar =
+        [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 50)];
+    numberToolbar.items = @[
+      [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
+                                                    target:nil
+                                                    action:nil],
+      [[UIBarButtonItem alloc] initWithTitle:@"Apply"
+                                       style:UIBarButtonItemStyleDone
+                                      target:self
+                                      action:@selector(numberTextFieldDidEndEditing:)]
+    ];
+    [numberToolbar sizeToFit];
+
+    textField.inputAccessoryView = numberToolbar;
+    [cell addSubview:textField];
+  }
+  return cell;
+}
+
+- (void)numberTextFieldDidEndEditing:(id)sender {
+  [self.view endEditing:YES];
+}
+
+- (void)textFieldDidEndEditing:(UITextField *)textField {
+  NSNumber *bitrateNumber = nil;
+
+  if (textField.text.length != 0) {
+    bitrateNumber = [NSNumber numberWithInteger:textField.text.intValue];
+  }
+
+  [_settingsModel storeMaxBitrateSetting:bitrateNumber];
+}
+
+#pragma mark - Table view delegate(Audio settings)
+
+- (UITableViewCell *)audioSettingsTableViewCellForTableView:(UITableView *)tableView
+                                                atIndexPath:(NSIndexPath *)indexPath {
+  NSString *dequeueIdentifier = @"ARDSettingsAudioSettingsCellIdentifier";
+  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:dequeueIdentifier];
+  if (!cell) {
+    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
+                                  reuseIdentifier:dequeueIdentifier];
+    cell.selectionStyle = UITableViewCellSelectionStyleNone;
+    UISwitch *switchView = [[UISwitch alloc] initWithFrame:CGRectZero];
+    switchView.tag = indexPath.row;
+    [switchView addTarget:self
+                   action:@selector(audioSettingSwitchChanged:)
+         forControlEvents:UIControlEventValueChanged];
+    cell.accessoryView = switchView;
+  }
+
+  cell.textLabel.text = [self labelForAudioSettingAtIndexPathRow:indexPath.row];
+  UISwitch *switchView = (UISwitch *)cell.accessoryView;
+  switchView.on = [self valueForAudioSettingAtIndexPathRow:indexPath.row];
+
+  return cell;
+}
+
+- (NSString *)labelForAudioSettingAtIndexPathRow:(NSInteger)setting {
+  switch (setting) {
+    case ARDAudioSettingsAudioOnly:
+      return @"Audio only";
+    case ARDAudioSettingsCreateAecDump:
+      return @"Create AecDump";
+    case ARDAudioSettingsUseManualAudioConfig:
+      return @"Use manual audio config";
+    default:
+      return @"";
+  }
+}
+
+- (BOOL)valueForAudioSettingAtIndexPathRow:(NSInteger)setting {
+  switch (setting) {
+    case ARDAudioSettingsAudioOnly:
+      return [_settingsModel currentAudioOnlySettingFromStore];
+    case ARDAudioSettingsCreateAecDump:
+      return [_settingsModel currentCreateAecDumpSettingFromStore];
+    case ARDAudioSettingsUseManualAudioConfig:
+      return [_settingsModel currentUseManualAudioConfigSettingFromStore];
+    default:
+      return NO;
+  }
+}
+
+- (void)audioSettingSwitchChanged:(UISwitch *)sender {
+  switch (sender.tag) {
+    case ARDAudioSettingsAudioOnly: {
+      [_settingsModel storeAudioOnlySetting:sender.isOn];
+      break;
+    }
+    case ARDAudioSettingsCreateAecDump: {
+      [_settingsModel storeCreateAecDumpSetting:sender.isOn];
+      break;
+    }
+    case ARDAudioSettingsUseManualAudioConfig: {
+      [_settingsModel storeUseManualAudioConfigSetting:sender.isOn];
+      break;
+    }
+    default:
+      break;
+  }
+}
+
+@end
+NS_ASSUME_NONNULL_END
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDStatsView.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDStatsView.h
new file mode 100644
index 0000000000..72207de64e
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDStatsView.h
@@ -0,0 +1,21 @@
+/*
+ *  Copyright 2015 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 <UIKit/UIKit.h>
+
+#import "sdk/objc/base/RTCMacros.h"
+
+@class RTC_OBJC_TYPE(RTCStatisticsReport);
+
+@interface ARDStatsView : UIView
+
+- (void)setStats:(RTC_OBJC_TYPE(RTCStatisticsReport) *)stats;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDStatsView.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDStatsView.m
new file mode 100644
index 0000000000..867ba5b09e
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDStatsView.m
@@ -0,0 +1,50 @@
+/*
+ *  Copyright 2015 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 "ARDStatsView.h"
+
+#import "sdk/objc/api/peerconnection/RTCLegacyStatsReport.h"
+
+#import "ARDStatsBuilder.h"
+
+@implementation ARDStatsView {
+  UILabel *_statsLabel;
+  ARDStatsBuilder *_statsBuilder;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame {
+  if (self = [super initWithFrame:frame]) {
+    _statsLabel = [[UILabel alloc] initWithFrame:CGRectZero];
+    _statsLabel.numberOfLines = 0;
+    _statsLabel.font = [UIFont fontWithName:@"Roboto" size:12];
+    _statsLabel.adjustsFontSizeToFitWidth = YES;
+    _statsLabel.minimumScaleFactor = 0.6;
+    _statsLabel.textColor = [UIColor greenColor];
+    [self addSubview:_statsLabel];
+    self.backgroundColor = [UIColor colorWithWhite:0 alpha:.6];
+    _statsBuilder = [[ARDStatsBuilder alloc] init];
+  }
+  return self;
+}
+
+- (void)setStats:(RTC_OBJC_TYPE(RTCStatisticsReport) *)stats {
+  _statsBuilder.stats = stats;
+  _statsLabel.text = _statsBuilder.statsString;
+}
+
+- (void)layoutSubviews {
+  _statsLabel.frame = self.bounds;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+  return [_statsLabel sizeThatFits:size];
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallView.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallView.h
new file mode 100644
index 0000000000..a31c7fe742
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallView.h
@@ -0,0 +1,47 @@
+/*
+ *  Copyright 2015 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 <UIKit/UIKit.h>
+
+#import "sdk/objc/base/RTCVideoRenderer.h"
+#import "sdk/objc/helpers/RTCCameraPreviewView.h"
+
+#import "ARDStatsView.h"
+
+@class ARDVideoCallView;
+@protocol ARDVideoCallViewDelegate <NSObject>
+
+// Called when the camera switch button is pressed.
+- (void)videoCallView:(ARDVideoCallView *)view
+    shouldSwitchCameraWithCompletion:(void (^)(NSError *))completion;
+
+// Called when the route change button is pressed.
+- (void)videoCallView:(ARDVideoCallView *)view
+    shouldChangeRouteWithCompletion:(void (^)(void))completion;
+
+// Called when the hangup button is pressed.
+- (void)videoCallViewDidHangup:(ARDVideoCallView *)view;
+
+// Called when stats are enabled by triple tapping.
+- (void)videoCallViewDidEnableStats:(ARDVideoCallView *)view;
+
+@end
+
+// Video call view that shows local and remote video, provides a label to
+// display status, and also a hangup button.
+@interface ARDVideoCallView : UIView
+
+@property(nonatomic, readonly) UILabel *statusLabel;
+@property(nonatomic, readonly) RTC_OBJC_TYPE(RTCCameraPreviewView) * localVideoView;
+@property(nonatomic, readonly) __kindof UIView<RTC_OBJC_TYPE(RTCVideoRenderer)> *remoteVideoView;
+@property(nonatomic, readonly) ARDStatsView *statsView;
+@property(nonatomic, weak) id<ARDVideoCallViewDelegate> delegate;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallView.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallView.m
new file mode 100644
index 0000000000..437aea8d56
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallView.m
@@ -0,0 +1,213 @@
+/*
+ *  Copyright 2015 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 "ARDVideoCallView.h"
+
+#import <AVFoundation/AVFoundation.h>
+
+#import "sdk/objc/components/renderer/metal/RTCMTLVideoView.h"
+
+#import "UIImage+ARDUtilities.h"
+
+static CGFloat const kButtonPadding = 16;
+static CGFloat const kButtonSize = 48;
+static CGFloat const kLocalVideoViewSize = 120;
+static CGFloat const kLocalVideoViewPadding = 8;
+static CGFloat const kStatusBarHeight = 20;
+
+@interface ARDVideoCallView () <RTC_OBJC_TYPE (RTCVideoViewDelegate)>
+@end
+
+@implementation ARDVideoCallView {
+  UIButton *_routeChangeButton;
+  UIButton *_cameraSwitchButton;
+  UIButton *_hangupButton;
+  CGSize _remoteVideoSize;
+}
+
+@synthesize statusLabel = _statusLabel;
+@synthesize localVideoView = _localVideoView;
+@synthesize remoteVideoView = _remoteVideoView;
+@synthesize statsView = _statsView;
+@synthesize delegate = _delegate;
+
+- (instancetype)initWithFrame:(CGRect)frame {
+  if (self = [super initWithFrame:frame]) {
+
+    _remoteVideoView = [[RTC_OBJC_TYPE(RTCMTLVideoView) alloc] initWithFrame:CGRectZero];
+
+    [self addSubview:_remoteVideoView];
+
+    _localVideoView = [[RTC_OBJC_TYPE(RTCCameraPreviewView) alloc] initWithFrame:CGRectZero];
+    [self addSubview:_localVideoView];
+
+    _statsView = [[ARDStatsView alloc] initWithFrame:CGRectZero];
+    _statsView.hidden = YES;
+    [self addSubview:_statsView];
+
+    _routeChangeButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    _routeChangeButton.backgroundColor = [UIColor grayColor];
+    _routeChangeButton.layer.cornerRadius = kButtonSize / 2;
+    _routeChangeButton.layer.masksToBounds = YES;
+    UIImage *image = [UIImage imageForName:@"ic_surround_sound_black_24dp.png"
+                                     color:[UIColor whiteColor]];
+    [_routeChangeButton setImage:image forState:UIControlStateNormal];
+    [_routeChangeButton addTarget:self
+                           action:@selector(onRouteChange:)
+                 forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:_routeChangeButton];
+
+    // TODO(tkchin): don't display this if we can't actually do camera switch.
+    _cameraSwitchButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    _cameraSwitchButton.backgroundColor = [UIColor grayColor];
+    _cameraSwitchButton.layer.cornerRadius = kButtonSize / 2;
+    _cameraSwitchButton.layer.masksToBounds = YES;
+    image = [UIImage imageForName:@"ic_switch_video_black_24dp.png" color:[UIColor whiteColor]];
+    [_cameraSwitchButton setImage:image forState:UIControlStateNormal];
+    [_cameraSwitchButton addTarget:self
+                      action:@selector(onCameraSwitch:)
+            forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:_cameraSwitchButton];
+
+    _hangupButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    _hangupButton.backgroundColor = [UIColor redColor];
+    _hangupButton.layer.cornerRadius = kButtonSize / 2;
+    _hangupButton.layer.masksToBounds = YES;
+    image = [UIImage imageForName:@"ic_call_end_black_24dp.png"
+                            color:[UIColor whiteColor]];
+    [_hangupButton setImage:image forState:UIControlStateNormal];
+    [_hangupButton addTarget:self
+                      action:@selector(onHangup:)
+            forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:_hangupButton];
+
+    _statusLabel = [[UILabel alloc] initWithFrame:CGRectZero];
+    _statusLabel.font = [UIFont fontWithName:@"Roboto" size:16];
+    _statusLabel.textColor = [UIColor whiteColor];
+    [self addSubview:_statusLabel];
+
+    UITapGestureRecognizer *tapRecognizer =
+        [[UITapGestureRecognizer alloc]
+            initWithTarget:self
+                    action:@selector(didTripleTap:)];
+    tapRecognizer.numberOfTapsRequired = 3;
+    [self addGestureRecognizer:tapRecognizer];
+  }
+  return self;
+}
+
+- (void)layoutSubviews {
+  CGRect bounds = self.bounds;
+  if (_remoteVideoSize.width > 0 && _remoteVideoSize.height > 0) {
+    // Aspect fill remote video into bounds.
+    CGRect remoteVideoFrame =
+        AVMakeRectWithAspectRatioInsideRect(_remoteVideoSize, bounds);
+    CGFloat scale = 1;
+    if (remoteVideoFrame.size.width > remoteVideoFrame.size.height) {
+      // Scale by height.
+      scale = bounds.size.height / remoteVideoFrame.size.height;
+    } else {
+      // Scale by width.
+      scale = bounds.size.width / remoteVideoFrame.size.width;
+    }
+    remoteVideoFrame.size.height *= scale;
+    remoteVideoFrame.size.width *= scale;
+    _remoteVideoView.frame = remoteVideoFrame;
+    _remoteVideoView.center =
+        CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds));
+  } else {
+    _remoteVideoView.frame = bounds;
+  }
+
+  // Aspect fit local video view into a square box.
+  CGRect localVideoFrame =
+      CGRectMake(0, 0, kLocalVideoViewSize, kLocalVideoViewSize);
+  // Place the view in the bottom right.
+  localVideoFrame.origin.x = CGRectGetMaxX(bounds)
+      - localVideoFrame.size.width - kLocalVideoViewPadding;
+  localVideoFrame.origin.y = CGRectGetMaxY(bounds)
+      - localVideoFrame.size.height - kLocalVideoViewPadding;
+  _localVideoView.frame = localVideoFrame;
+
+  // Place stats at the top.
+  CGSize statsSize = [_statsView sizeThatFits:bounds.size];
+  _statsView.frame = CGRectMake(CGRectGetMinX(bounds),
+                                CGRectGetMinY(bounds) + kStatusBarHeight,
+                                statsSize.width, statsSize.height);
+
+  // Place hangup button in the bottom left.
+  _hangupButton.frame =
+      CGRectMake(CGRectGetMinX(bounds) + kButtonPadding,
+                 CGRectGetMaxY(bounds) - kButtonPadding -
+                     kButtonSize,
+                 kButtonSize,
+                 kButtonSize);
+
+  // Place button to the right of hangup button.
+  CGRect cameraSwitchFrame = _hangupButton.frame;
+  cameraSwitchFrame.origin.x =
+      CGRectGetMaxX(cameraSwitchFrame) + kButtonPadding;
+  _cameraSwitchButton.frame = cameraSwitchFrame;
+
+  // Place route button to the right of camera button.
+  CGRect routeChangeFrame = _cameraSwitchButton.frame;
+  routeChangeFrame.origin.x =
+      CGRectGetMaxX(routeChangeFrame) + kButtonPadding;
+  _routeChangeButton.frame = routeChangeFrame;
+
+  [_statusLabel sizeToFit];
+  _statusLabel.center =
+      CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds));
+}
+
+#pragma mark - RTC_OBJC_TYPE(RTCVideoViewDelegate)
+
+- (void)videoView:(id<RTC_OBJC_TYPE(RTCVideoRenderer)>)videoView didChangeVideoSize:(CGSize)size {
+  if (videoView == _remoteVideoView) {
+    _remoteVideoSize = size;
+  }
+  [self setNeedsLayout];
+}
+
+#pragma mark - Private
+
+- (void)onCameraSwitch:(UIButton *)sender {
+  sender.enabled = false;
+  [_delegate videoCallView:self
+      shouldSwitchCameraWithCompletion:^(NSError *error) {
+        dispatch_async(dispatch_get_main_queue(), ^(void) {
+          sender.enabled = true;
+        });
+      }];
+}
+
+- (void)onRouteChange:(UIButton *)sender {
+  sender.enabled = false;
+  __weak ARDVideoCallView *weakSelf = self;
+  [_delegate videoCallView:self
+      shouldChangeRouteWithCompletion:^(void) {
+        ARDVideoCallView *strongSelf = weakSelf;
+        if (strongSelf) {
+          dispatch_async(dispatch_get_main_queue(), ^(void) {
+            sender.enabled = true;
+          });
+        }
+      }];
+}
+
+- (void)onHangup:(id)sender {
+  [_delegate videoCallViewDidHangup:self];
+}
+
+- (void)didTripleTap:(UITapGestureRecognizer *)recognizer {
+  [_delegate videoCallViewDidEnableStats:self];
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.h
new file mode 100644
index 0000000000..bdb8747524
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.h
@@ -0,0 +1,28 @@
+/*
+ *  Copyright 2015 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 <UIKit/UIKit.h>
+
+@class ARDVideoCallViewController;
+@protocol ARDVideoCallViewControllerDelegate <NSObject>
+
+- (void)viewControllerDidFinish:(ARDVideoCallViewController *)viewController;
+
+@end
+
+@interface ARDVideoCallViewController : UIViewController
+
+@property(nonatomic, weak) id<ARDVideoCallViewControllerDelegate> delegate;
+
+- (instancetype)initForRoom:(NSString *)room
+                 isLoopback:(BOOL)isLoopback
+                   delegate:(id<ARDVideoCallViewControllerDelegate>)delegate;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m
new file mode 100644
index 0000000000..a82d90b290
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m
@@ -0,0 +1,250 @@
+/*
+ *  Copyright 2015 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 "ARDVideoCallViewController.h"
+
+#import "sdk/objc/api/peerconnection/RTCMediaConstraints.h"
+#import "sdk/objc/base/RTCLogging.h"
+#import "sdk/objc/components/audio/RTCAudioSession.h"
+#import "sdk/objc/components/capturer/RTCCameraVideoCapturer.h"
+#import "sdk/objc/helpers/RTCDispatcher.h"
+
+#import "ARDAppClient.h"
+#import "ARDCaptureController.h"
+#import "ARDFileCaptureController.h"
+#import "ARDSettingsModel.h"
+#import "ARDVideoCallView.h"
+
+@interface ARDVideoCallViewController () <ARDAppClientDelegate,
+                                          ARDVideoCallViewDelegate,
+                                          RTC_OBJC_TYPE (RTCAudioSessionDelegate)>
+@property(nonatomic, strong) RTC_OBJC_TYPE(RTCVideoTrack) * remoteVideoTrack;
+@property(nonatomic, readonly) ARDVideoCallView *videoCallView;
+@property(nonatomic, assign) AVAudioSessionPortOverride portOverride;
+@end
+
+@implementation ARDVideoCallViewController {
+  ARDAppClient *_client;
+  RTC_OBJC_TYPE(RTCVideoTrack) * _remoteVideoTrack;
+  ARDCaptureController *_captureController;
+  ARDFileCaptureController *_fileCaptureController NS_AVAILABLE_IOS(10);
+}
+
+@synthesize videoCallView = _videoCallView;
+@synthesize remoteVideoTrack = _remoteVideoTrack;
+@synthesize delegate = _delegate;
+@synthesize portOverride = _portOverride;
+
+- (instancetype)initForRoom:(NSString *)room
+                 isLoopback:(BOOL)isLoopback
+                   delegate:(id<ARDVideoCallViewControllerDelegate>)delegate {
+  if (self = [super init]) {
+    ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
+    _delegate = delegate;
+
+    _client = [[ARDAppClient alloc] initWithDelegate:self];
+    [_client connectToRoomWithId:room settings:settingsModel isLoopback:isLoopback];
+  }
+  return self;
+}
+
+- (void)loadView {
+  _videoCallView = [[ARDVideoCallView alloc] initWithFrame:CGRectZero];
+  _videoCallView.delegate = self;
+  _videoCallView.statusLabel.text =
+      [self statusTextForState:RTCIceConnectionStateNew];
+  self.view = _videoCallView;
+
+  RTC_OBJC_TYPE(RTCAudioSession) *session = [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+  [session addDelegate:self];
+}
+
+- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
+  return UIInterfaceOrientationMaskAll;
+}
+
+#pragma mark - ARDAppClientDelegate
+
+- (void)appClient:(ARDAppClient *)client
+    didChangeState:(ARDAppClientState)state {
+  switch (state) {
+    case kARDAppClientStateConnected:
+      RTCLog(@"Client connected.");
+      break;
+    case kARDAppClientStateConnecting:
+      RTCLog(@"Client connecting.");
+      break;
+    case kARDAppClientStateDisconnected:
+      RTCLog(@"Client disconnected.");
+      [self hangup];
+      break;
+  }
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didChangeConnectionState:(RTCIceConnectionState)state {
+  RTCLog(@"ICE state changed: %ld", (long)state);
+  __weak ARDVideoCallViewController *weakSelf = self;
+  dispatch_async(dispatch_get_main_queue(), ^{
+    ARDVideoCallViewController *strongSelf = weakSelf;
+    strongSelf.videoCallView.statusLabel.text =
+        [strongSelf statusTextForState:state];
+  });
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didCreateLocalCapturer:(RTC_OBJC_TYPE(RTCCameraVideoCapturer) *)localCapturer {
+  _videoCallView.localVideoView.captureSession = localCapturer.captureSession;
+  ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
+  _captureController =
+      [[ARDCaptureController alloc] initWithCapturer:localCapturer settings:settingsModel];
+  [_captureController startCapture];
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didCreateLocalFileCapturer:(RTC_OBJC_TYPE(RTCFileVideoCapturer) *)fileCapturer {
+#if defined(__IPHONE_11_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0)
+  if (@available(iOS 10, *)) {
+    _fileCaptureController = [[ARDFileCaptureController alloc] initWithCapturer:fileCapturer];
+    [_fileCaptureController startCapture];
+  }
+#endif
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didReceiveLocalVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)localVideoTrack {
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didReceiveRemoteVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)remoteVideoTrack {
+  self.remoteVideoTrack = remoteVideoTrack;
+  __weak ARDVideoCallViewController *weakSelf = self;
+  dispatch_async(dispatch_get_main_queue(), ^{
+    ARDVideoCallViewController *strongSelf = weakSelf;
+    strongSelf.videoCallView.statusLabel.hidden = YES;
+  });
+}
+
+- (void)appClient:(ARDAppClient *)client didGetStats:(RTC_OBJC_TYPE(RTCStatisticsReport) *)stats {
+  _videoCallView.statsView.stats = stats;
+  [_videoCallView setNeedsLayout];
+}
+
+- (void)appClient:(ARDAppClient *)client
+         didError:(NSError *)error {
+  NSString *message =
+      [NSString stringWithFormat:@"%@", error.localizedDescription];
+  [self hangup];
+  [self showAlertWithMessage:message];
+}
+
+#pragma mark - ARDVideoCallViewDelegate
+
+- (void)videoCallViewDidHangup:(ARDVideoCallView *)view {
+  [self hangup];
+}
+
+- (void)videoCallView:(ARDVideoCallView *)view
+    shouldSwitchCameraWithCompletion:(void (^)(NSError *))completion {
+  [_captureController switchCamera:completion];
+}
+
+- (void)videoCallView:(ARDVideoCallView *)view
+    shouldChangeRouteWithCompletion:(void (^)(void))completion {
+  NSParameterAssert(completion);
+  AVAudioSessionPortOverride override = AVAudioSessionPortOverrideNone;
+  if (_portOverride == AVAudioSessionPortOverrideNone) {
+    override = AVAudioSessionPortOverrideSpeaker;
+  }
+  [RTC_OBJC_TYPE(RTCDispatcher) dispatchAsyncOnType:RTCDispatcherTypeAudioSession
+                                              block:^{
+                                                RTC_OBJC_TYPE(RTCAudioSession) *session =
+                                                    [RTC_OBJC_TYPE(RTCAudioSession) sharedInstance];
+                                                [session lockForConfiguration];
+                                                NSError *error = nil;
+                                                if ([session overrideOutputAudioPort:override
+                                                                               error:&error]) {
+                                                  self.portOverride = override;
+                                                } else {
+                                                  RTCLogError(@"Error overriding output port: %@",
+                                                              error.localizedDescription);
+                                                }
+                                                [session unlockForConfiguration];
+                                                completion();
+                                              }];
+}
+
+- (void)videoCallViewDidEnableStats:(ARDVideoCallView *)view {
+  _client.shouldGetStats = YES;
+  _videoCallView.statsView.hidden = NO;
+}
+
+#pragma mark - RTC_OBJC_TYPE(RTCAudioSessionDelegate)
+
+- (void)audioSession:(RTC_OBJC_TYPE(RTCAudioSession) *)audioSession
+    didDetectPlayoutGlitch:(int64_t)totalNumberOfGlitches {
+  RTCLog(@"Audio session detected glitch, total: %lld", totalNumberOfGlitches);
+}
+
+#pragma mark - Private
+
+- (void)setRemoteVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)remoteVideoTrack {
+  if (_remoteVideoTrack == remoteVideoTrack) {
+    return;
+  }
+  [_remoteVideoTrack removeRenderer:_videoCallView.remoteVideoView];
+  _remoteVideoTrack = nil;
+  [_videoCallView.remoteVideoView renderFrame:nil];
+  _remoteVideoTrack = remoteVideoTrack;
+  [_remoteVideoTrack addRenderer:_videoCallView.remoteVideoView];
+}
+
+- (void)hangup {
+  self.remoteVideoTrack = nil;
+  _videoCallView.localVideoView.captureSession = nil;
+  [_captureController stopCapture];
+  _captureController = nil;
+  [_fileCaptureController stopCapture];
+  _fileCaptureController = nil;
+  [_client disconnect];
+  [_delegate viewControllerDidFinish:self];
+}
+
+- (NSString *)statusTextForState:(RTCIceConnectionState)state {
+  switch (state) {
+    case RTCIceConnectionStateNew:
+    case RTCIceConnectionStateChecking:
+      return @"Connecting...";
+    case RTCIceConnectionStateConnected:
+    case RTCIceConnectionStateCompleted:
+    case RTCIceConnectionStateFailed:
+    case RTCIceConnectionStateDisconnected:
+    case RTCIceConnectionStateClosed:
+    case RTCIceConnectionStateCount:
+      return nil;
+  }
+}
+
+- (void)showAlertWithMessage:(NSString*)message {
+  UIAlertController *alert =
+      [UIAlertController alertControllerWithTitle:nil
+                                          message:message
+                                   preferredStyle:UIAlertControllerStyleAlert];
+
+  UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:@"OK"
+                                                          style:UIAlertActionStyleDefault
+                                                        handler:^(UIAlertAction *action){
+                                                        }];
+
+  [alert addAction:defaultAction];
+  [self presentViewController:alert animated:YES completion:nil];
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/Info.plist b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/Info.plist
new file mode 100644
index 0000000000..a2f0a683ed
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/Info.plist
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>BuildMachineOSBuild</key>
+  <string>12E55</string>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleDisplayName</key>
+  <string>AppRTCMobile</string>
+  <key>CFBundleExecutable</key>
+  <string>${EXECUTABLE_NAME}</string>
+  <key>CFBundleIcons</key>
+  <dict>
+    <key>CFBundlePrimaryIcon</key>
+    <dict>
+      <key>CFBundleIconFiles</key>
+      <array>
+        <string>Icon.png</string>
+        <string>Icon-120.png</string>
+        <string>Icon-180.png</string>
+      </array>
+    </dict>
+  </dict>
+  <key>CFBundleIdentifier</key>
+  <string>com.google.AppRTCMobile</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>${EXECUTABLE_NAME}</string>
+  <key>CFBundlePackageType</key>
+  <string>APPL</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleSupportedPlatforms</key>
+  <array>
+    <string>iPhoneOS</string>
+  </array>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>UIStatusBarTintParameters</key>
+  <dict>
+    <key>UINavigationBar</key>
+    <dict>
+      <key>Style</key>
+      <string>UIBarStyleDefault</string>
+      <key>Translucent</key>
+      <false/>
+    </dict>
+  </dict>
+  <key>UISupportedInterfaceOrientations</key>
+  <array>
+    <string>UIInterfaceOrientationPortrait</string>
+    <string>UIInterfaceOrientationLandscapeLeft</string>
+    <string>UIInterfaceOrientationLandscapeRight</string>
+    <string>UIInterfaceOrientationPortraitUpsideDown</string>
+  </array>
+  <key>UIAppFonts</key>
+  <array>
+    <string>Roboto-Regular.ttf</string>
+  </array>
+  <key>UIBackgroundModes</key>
+  <array>
+    <string>audio</string>
+    <string>voip</string>
+  </array>
+  <key>NSCameraUsageDescription</key>
+  <string>Camera access needed for video calling</string>
+  <key>NSMicrophoneUsageDescription</key>
+  <string>Microphone access needed for video calling</string>
+  <key>UIFileSharingEnabled</key>
+  <true/>
+  <key>UILaunchImages</key>
+  <array>
+    <dict>
+      <key>UILaunchImageMinimumOSVersion</key>
+      <string>7.0</string>
+      <key>UILaunchImageName</key>
+      <string>iPhone5</string>
+      <key>UILaunchImageOrientation</key>
+      <string>Portrait</string>
+      <key>UILaunchImageSize</key>
+      <string>{320, 568}</string>
+    </dict>
+    <dict>
+      <key>UILaunchImageMinimumOSVersion</key>
+      <string>8.0</string>
+      <key>UILaunchImageName</key>
+      <string>iPhone6</string>
+      <key>UILaunchImageOrientation</key>
+      <string>Portrait</string>
+      <key>UILaunchImageSize</key>
+      <string>{375, 667}</string>
+    </dict>
+    <dict>
+      <key>UILaunchImageMinimumOSVersion</key>
+      <string>8.0</string>
+      <key>UILaunchImageName</key>
+      <string>iPhone6p</string>
+      <key>UILaunchImageOrientation</key>
+      <string>Portrait</string>
+      <key>UILaunchImageSize</key>
+      <string>{414, 736}</string>
+    </dict>
+  </array>
+</dict>
+</plist>
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/RTCVideoCodecInfo+HumanReadable.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/RTCVideoCodecInfo+HumanReadable.h
new file mode 100644
index 0000000000..3a93c253b2
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/RTCVideoCodecInfo+HumanReadable.h
@@ -0,0 +1,18 @@
+/*
+ *  Copyright 2017 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 "sdk/objc/base/RTCVideoCodecInfo.h"
+
+@interface RTC_OBJC_TYPE (RTCVideoCodecInfo)
+(HumanReadable)
+
+    - (NSString *)humanReadableDescription;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/RTCVideoCodecInfo+HumanReadable.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/RTCVideoCodecInfo+HumanReadable.m
new file mode 100644
index 0000000000..5e0c52c5c4
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/RTCVideoCodecInfo+HumanReadable.m
@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2017 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 "RTCVideoCodecInfo+HumanReadable.h"
+
+#import "sdk/objc/components/video_codec/RTCH264ProfileLevelId.h"
+
+@implementation RTC_OBJC_TYPE (RTCVideoCodecInfo)
+(HumanReadable)
+
+    - (NSString *)humanReadableDescription {
+  if ([self.name isEqualToString:@"H264"]) {
+    NSString *profileId = self.parameters[@"profile-level-id"];
+    RTC_OBJC_TYPE(RTCH264ProfileLevelId) *profileLevelId =
+        [[RTC_OBJC_TYPE(RTCH264ProfileLevelId) alloc] initWithHexString:profileId];
+    if (profileLevelId.profile == RTCH264ProfileConstrainedHigh ||
+        profileLevelId.profile == RTCH264ProfileHigh) {
+      return @"H264 (High)";
+    } else if (profileLevelId.profile == RTCH264ProfileConstrainedBaseline ||
+               profileLevelId.profile == RTCH264ProfileBaseline) {
+      return @"H264 (Baseline)";
+    } else {
+      return [NSString stringWithFormat:@"H264 (%@)", profileId];
+    }
+  } else {
+    return self.name;
+  }
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/UIImage+ARDUtilities.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/UIImage+ARDUtilities.h
new file mode 100644
index 0000000000..d56ba02c2e
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/UIImage+ARDUtilities.h
@@ -0,0 +1,18 @@
+/*
+ *  Copyright 2015 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 <UIKit/UIKit.h>
+
+@interface UIImage (ARDUtilities)
+
+// Returns an color tinted version for the given image resource.
++ (UIImage *)imageForName:(NSString *)name color:(UIColor *)color;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/UIImage+ARDUtilities.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/UIImage+ARDUtilities.m
new file mode 100644
index 0000000000..1bbe8c342f
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/UIImage+ARDUtilities.m
@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2015 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 "UIImage+ARDUtilities.h"
+
+@implementation UIImage (ARDUtilities)
+
++ (UIImage *)imageForName:(NSString *)name color:(UIColor *)color {
+  UIImage *image = [UIImage imageNamed:name];
+  if (!image) {
+    return nil;
+  }
+  UIGraphicsBeginImageContextWithOptions(image.size, NO, 0.0f);
+  [color setFill];
+  CGRect bounds = CGRectMake(0, 0, image.size.width, image.size.height);
+  UIRectFill(bounds);
+  [image drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];
+  UIImage *coloredImage = UIGraphicsGetImageFromCurrentImageContext();
+  UIGraphicsEndImageContext();
+
+  return coloredImage;
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSampleHandler.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSampleHandler.h
new file mode 100644
index 0000000000..2c4a56368a
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSampleHandler.h
@@ -0,0 +1,24 @@
+/*
+ *  Copyright 2018 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 <ReplayKit/ReplayKit.h>
+
+#import "sdk/objc/base/RTCLogging.h"
+
+#import "ARDAppClient.h"
+
+@protocol ARDExternalSampleDelegate;
+
+API_AVAILABLE(ios(10.0))
+@interface ARDBroadcastSampleHandler : RPBroadcastSampleHandler <ARDAppClientDelegate>
+
+@property(nonatomic, strong) id<ARDExternalSampleDelegate> capturer;
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSampleHandler.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSampleHandler.m
new file mode 100644
index 0000000000..1c276d965f
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSampleHandler.m
@@ -0,0 +1,130 @@
+/*
+ *  Copyright 2018 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 "ARDBroadcastSampleHandler.h"
+
+#import <os/log.h>
+
+#import "ARDExternalSampleCapturer.h"
+#import "ARDSettingsModel.h"
+
+#import "sdk/objc/api/logging/RTCCallbackLogger.h"
+#import "sdk/objc/base/RTCLogging.h"
+
+@implementation ARDBroadcastSampleHandler {
+  ARDAppClient *_client;
+  RTC_OBJC_TYPE(RTCCallbackLogger) * _callbackLogger;
+}
+
+@synthesize capturer = _capturer;
+
+- (instancetype)init {
+  if (self = [super init]) {
+    _callbackLogger = [[RTC_OBJC_TYPE(RTCCallbackLogger) alloc] init];
+    os_log_t rtc_os_log = os_log_create("com.google.AppRTCMobile", "RTCLog");
+    [_callbackLogger start:^(NSString *logMessage) {
+      os_log(rtc_os_log, "%{public}s", [logMessage cStringUsingEncoding:NSUTF8StringEncoding]);
+    }];
+  }
+  return self;
+}
+
+- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *, NSObject *> *)setupInfo {
+  // User has requested to start the broadcast. Setup info from the UI extension can be supplied but
+  // optional.
+  ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
+
+  _client = [[ARDAppClient alloc] initWithDelegate:self];
+  _client.broadcast = YES;
+
+  NSString *roomName = nil;
+  if (setupInfo[@"roomName"]) {
+    roomName = (NSString *)setupInfo[@"roomName"];
+  } else {
+    u_int32_t randomRoomSuffix = arc4random_uniform(1000);
+    roomName = [NSString stringWithFormat:@"broadcast_%d", randomRoomSuffix];
+  }
+  [_client connectToRoomWithId:roomName settings:settingsModel isLoopback:NO];
+  RTCLog(@"Broadcast started.");
+}
+
+- (void)broadcastPaused {
+  // User has requested to pause the broadcast. Samples will stop being delivered.
+}
+
+- (void)broadcastResumed {
+  // User has requested to resume the broadcast. Samples delivery will resume.
+}
+
+- (void)broadcastFinished {
+  // User has requested to finish the broadcast.
+  [_client disconnect];
+}
+
+- (void)processSampleBuffer:(CMSampleBufferRef)sampleBuffer
+                   withType:(RPSampleBufferType)sampleBufferType {
+  switch (sampleBufferType) {
+    case RPSampleBufferTypeVideo:
+      [self.capturer didCaptureSampleBuffer:sampleBuffer];
+      break;
+    case RPSampleBufferTypeAudioApp:
+      break;
+    case RPSampleBufferTypeAudioMic:
+      break;
+    default:
+      break;
+  }
+}
+
+#pragma mark - ARDAppClientDelegate
+
+- (void)appClient:(ARDAppClient *)client didChangeState:(ARDAppClientState)state {
+  switch (state) {
+    case kARDAppClientStateConnected:
+      RTCLog(@"Client connected.");
+      break;
+    case kARDAppClientStateConnecting:
+      RTCLog("Client connecting.");
+      break;
+    case kARDAppClientStateDisconnected:
+      RTCLog(@"Client disconnected.");
+      break;
+  }
+}
+
+- (void)appClient:(ARDAppClient *)client didChangeConnectionState:(RTCIceConnectionState)state {
+  RTCLog(@"ICE state changed: %ld", (long)state);
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didCreateLocalCapturer:(RTC_OBJC_TYPE(RTCCameraVideoCapturer) *)localCapturer {
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didCreateLocalExternalSampleCapturer:(ARDExternalSampleCapturer *)externalSampleCapturer {
+  self.capturer = externalSampleCapturer;
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didReceiveLocalVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)localVideoTrack {
+}
+
+- (void)appClient:(ARDAppClient *)client
+    didReceiveRemoteVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)remoteVideoTrack {
+}
+
+- (void)appClient:(ARDAppClient *)client didGetStats:(RTC_OBJC_TYPE(RTCStatisticsReport) *)stats {
+}
+
+- (void)appClient:(ARDAppClient *)client didError:(NSError *)error {
+  RTCLog(@"Error: %@", error);
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSetupViewController.h b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSetupViewController.h
new file mode 100644
index 0000000000..bbf397d8a9
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSetupViewController.h
@@ -0,0 +1,17 @@
+/*
+ *  Copyright 2018 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 <ReplayKit/ReplayKit.h>
+#import <UIKit/UIKit.h>
+
+API_AVAILABLE(ios(11.0))
+@interface ARDBroadcastSetupViewController : UIViewController <UITextFieldDelegate>
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSetupViewController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSetupViewController.m
new file mode 100644
index 0000000000..55438f17d8
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/ARDBroadcastSetupViewController.m
@@ -0,0 +1,107 @@
+/*
+ *  Copyright 2018 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 "ARDBroadcastSetupViewController.h"
+
+@implementation ARDBroadcastSetupViewController {
+  UITextField *_roomNameField;
+}
+
+- (void)loadView {
+  UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
+  view.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.7];
+
+  UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Icon-180"]];
+  imageView.translatesAutoresizingMaskIntoConstraints = NO;
+  [view addSubview:imageView];
+
+  _roomNameField = [[UITextField alloc] initWithFrame:CGRectZero];
+  _roomNameField.borderStyle = UITextBorderStyleRoundedRect;
+  _roomNameField.font = [UIFont systemFontOfSize:14.0];
+  _roomNameField.translatesAutoresizingMaskIntoConstraints = NO;
+  _roomNameField.placeholder = @"Room name";
+  _roomNameField.returnKeyType = UIReturnKeyDone;
+  _roomNameField.delegate = self;
+  [view addSubview:_roomNameField];
+
+  UIButton *doneButton = [UIButton buttonWithType:UIButtonTypeSystem];
+  doneButton.translatesAutoresizingMaskIntoConstraints = NO;
+  doneButton.titleLabel.font = [UIFont systemFontOfSize:20.0];
+  [doneButton setTitle:@"Done" forState:UIControlStateNormal];
+  [doneButton addTarget:self
+                 action:@selector(userDidFinishSetup)
+       forControlEvents:UIControlEventTouchUpInside];
+  [view addSubview:doneButton];
+
+  UIButton *cancelButton = [UIButton buttonWithType:UIButtonTypeSystem];
+  cancelButton.translatesAutoresizingMaskIntoConstraints = NO;
+  cancelButton.titleLabel.font = [UIFont systemFontOfSize:20.0];
+  [cancelButton setTitle:@"Cancel" forState:UIControlStateNormal];
+  [cancelButton addTarget:self
+                   action:@selector(userDidCancelSetup)
+         forControlEvents:UIControlEventTouchUpInside];
+  [view addSubview:cancelButton];
+
+  UILayoutGuide *margin = view.layoutMarginsGuide;
+  [imageView.widthAnchor constraintEqualToConstant:60.0].active = YES;
+  [imageView.heightAnchor constraintEqualToConstant:60.0].active = YES;
+  [imageView.topAnchor constraintEqualToAnchor:margin.topAnchor constant:20].active = YES;
+  [imageView.centerXAnchor constraintEqualToAnchor:view.centerXAnchor].active = YES;
+
+  [_roomNameField.leadingAnchor constraintEqualToAnchor:margin.leadingAnchor].active = YES;
+  [_roomNameField.topAnchor constraintEqualToAnchor:imageView.bottomAnchor constant:20].active =
+      YES;
+  [_roomNameField.trailingAnchor constraintEqualToAnchor:margin.trailingAnchor].active = YES;
+
+  [doneButton.leadingAnchor constraintEqualToAnchor:margin.leadingAnchor].active = YES;
+  [doneButton.bottomAnchor constraintEqualToAnchor:margin.bottomAnchor constant:-20].active = YES;
+
+  [cancelButton.trailingAnchor constraintEqualToAnchor:margin.trailingAnchor].active = YES;
+  [cancelButton.bottomAnchor constraintEqualToAnchor:margin.bottomAnchor constant:-20].active = YES;
+
+  UITapGestureRecognizer *tgr =
+      [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didTap:)];
+  [view addGestureRecognizer:tgr];
+
+  self.view = view;
+}
+
+- (IBAction)didTap:(id)sender {
+  [self.view endEditing:YES];
+}
+
+- (void)userDidFinishSetup {
+  // URL of the resource where broadcast can be viewed that will be returned to the application
+  NSURL *broadcastURL = [NSURL
+      URLWithString:[NSString stringWithFormat:@"https://appr.tc/r/%@", _roomNameField.text]];
+
+  // Dictionary with setup information that will be provided to broadcast extension when broadcast
+  // is started
+  NSDictionary *setupInfo = @{@"roomName" : _roomNameField.text};
+
+  // Tell ReplayKit that the extension is finished setting up and can begin broadcasting
+  [self.extensionContext completeRequestWithBroadcastURL:broadcastURL setupInfo:setupInfo];
+}
+
+- (void)userDidCancelSetup {
+  // Tell ReplayKit that the extension was cancelled by the user
+  [self.extensionContext cancelRequestWithError:[NSError errorWithDomain:@"com.google.AppRTCMobile"
+                                                                    code:-1
+                                                                userInfo:nil]];
+}
+
+#pragma mark - UITextFieldDelegate
+
+- (BOOL)textFieldShouldReturn:(UITextField *)textField {
+  [self userDidFinishSetup];
+  return YES;
+}
+
+@end
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/BroadcastSetupUIInfo.plist b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/BroadcastSetupUIInfo.plist
new file mode 100644
index 0000000000..a123c111e5
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/BroadcastSetupUIInfo.plist
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>AppRTCMobile</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.google.AppRTCMobile.BroadcastSetupUI</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>XPC!</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>NSExtensionActivationRule</key>
+			<dict>
+				<key>NSExtensionActivationSupportsReplayKitStreaming</key>
+				<true/>
+			</dict>
+		</dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.broadcast-services-setupui</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>ARDBroadcastSetupViewController</string>
+	</dict>
+</dict>
+</plist>
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/BroadcastUploadInfo.plist b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/BroadcastUploadInfo.plist
new file mode 100644
index 0000000000..2bab60ea8f
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/broadcast_extension/BroadcastUploadInfo.plist
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>AppRTCMobile</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.google.AppRTCMobile.BroadcastUpload</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>XPC!</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.broadcast-services-upload</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>ARDBroadcastSampleHandler</string>
+		<key>RPBroadcastProcessMode</key>
+		<string>RPBroadcastProcessModeSampleBuffer</string>
+	</dict>
+</dict>
+</plist>
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/main.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/main.m
new file mode 100644
index 0000000000..00b83f7fd2
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/main.m
@@ -0,0 +1,20 @@
+/*
+ *  Copyright 2013 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 <UIKit/UIKit.h>
+
+#import "ARDAppDelegate.h"
+
+int main(int argc, char* argv[]) {
+  @autoreleasepool {
+    return UIApplicationMain(
+        argc, argv, nil, NSStringFromClass([ARDAppDelegate class]));
+  }
+}
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/Roboto-Regular.ttf b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/Roboto-Regular.ttf
new file mode 100644
index 0000000000..0e58508a64
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/Roboto-Regular.ttf
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/foreman.mp4 b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/foreman.mp4
new file mode 100644
index 0000000000..ccffbf4722
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/foreman.mp4
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone5@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone5@2x.png
new file mode 100644
index 0000000000..9d005fde06
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone5@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone6@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone6@2x.png
new file mode 100644
index 0000000000..fce3eb95b3
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone6@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone6p@3x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone6p@3x.png
new file mode 100644
index 0000000000..aee20c2209
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/iPhone6p@3x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp.png
new file mode 100644
index 0000000000..531cb0f280
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp@2x.png
new file mode 100644
index 0000000000..03dd381c10
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_clear_black_24dp.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_clear_black_24dp.png
new file mode 100644
index 0000000000..4ebf8a2270
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_clear_black_24dp.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_clear_black_24dp@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_clear_black_24dp@2x.png
new file mode 100644
index 0000000000..ed2b2525fd
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_clear_black_24dp@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_settings_black_24dp.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_settings_black_24dp.png
new file mode 100644
index 0000000000..c59419c02b
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_settings_black_24dp.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_settings_black_24dp@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_settings_black_24dp@2x.png
new file mode 100644
index 0000000000..e84e188a1d
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_settings_black_24dp@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp.png
new file mode 100644
index 0000000000..8f3343d3a7
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp@2x.png
new file mode 100644
index 0000000000..764880467a
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp.png
new file mode 100644
index 0000000000..85271c8253
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp@2x.png b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp@2x.png
new file mode 100644
index 0000000000..62b13a6a09
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp@2x.png
diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/mozart.mp3 b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/mozart.mp3
new file mode 100644
index 0000000000..5981ba3a91
--- /dev/null
+++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/ios/resources/mozart.mp3