(Auto)update libjingle 62865357-> 62871616

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5674 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/app/webrtc/objc/RTCMediaStream.mm

@@ -126,14 +126,14 @@
           [[RTCAudioTrack alloc] initWithMediaTrack:track];
       [_audioTracks addObject:audioTrack];
     }
-      // TODO(hughv): Add video.
+
-//    for (size_t i = 0; i < video_tracks.size(); ++i) {
+    for (size_t i = 0; i < video_tracks.size(); ++i) {
-//      talk_base::scoped_refptr<webrtc::VideoTrackInterface> track =
+      talk_base::scoped_refptr<webrtc::VideoTrackInterface> track =
-//          video_tracks[i];
+          video_tracks[i];
-//      RTCVideoTrack *videoTrack =
+      RTCVideoTrack* videoTrack =
-//          [[RTCVideoTrack alloc] initWithMediaTrack:track];
+          [[RTCVideoTrack alloc] initWithMediaTrack:track];
-//      [_videoTracks addObject:videoTrack];
+      [_videoTracks addObject:videoTrack];
-//    }
+    }
   }
   return self;
 }

talk/app/webrtc/objc/RTCPeerConnectionFactory.mm

@@ -120,7 +120,7 @@
     return nil;
   }
   talk_base::scoped_refptr<webrtc::VideoSourceInterface> source =
-      self.nativeFactory->CreateVideoSource(capturer.capturer.get(),
+      self.nativeFactory->CreateVideoSource([capturer release_native_capturer],
                                             constraints.constraints);
   return [[RTCVideoSource alloc] initWithMediaSource:source];
 }

talk/app/webrtc/objc/RTCVideoCapturer+Internal.h

@@ -31,7 +31,7 @@
 
 @interface RTCVideoCapturer (Internal)
 
-@property(nonatomic, assign, readonly) const talk_base::scoped_ptr<cricket::VideoCapturer> &capturer;
+- (cricket::VideoCapturer*)release_native_capturer;
 
 - (id)initWithCapturer:(cricket::VideoCapturer*)capturer;
 

talk/app/webrtc/objc/RTCVideoCapturer.mm

@@ -67,10 +67,8 @@
   return self;
 }
 
-// TODO(hughv):  When capturer is implemented, this needs to return
+- (cricket::VideoCapturer*)release_native_capturer {
-// _capturer.release() instead.  For now, this isn't used.
+  return _capturer.release();
-- (const talk_base::scoped_ptr<cricket::VideoCapturer> &)capturer {
-  return _capturer;
 }
 
 @end

talk/app/webrtc/objc/RTCVideoRenderer+Internal.h

@@ -35,6 +35,4 @@
 @property(nonatomic, assign, readonly)
     webrtc::VideoRendererInterface *videoRenderer;
 
-- (id)initWithVideoRenderer:(webrtc::VideoRendererInterface *)videoRenderer;
-
 @end

talk/app/webrtc/objc/RTCVideoRenderer.mm

@@ -33,18 +33,70 @@
 
 #if TARGET_OS_IPHONE
 #import <UIKit/UIKit.h>
-#endif
 
 #import "RTCI420Frame.h"
 #import "RTCVideoRendererDelegate.h"
 
-@implementation RTCVideoRenderer
+#import "webrtc/modules/video_render/ios/video_render_ios_impl.h"
+#import "webrtc/modules/video_render/ios/video_render_ios_view.h"
+
+#include "common_video/interface/i420_video_frame.h"
+#include "talk/app/webrtc/mediastreaminterface.h"
+#include "talk/media/base/videoframe.h"
+#include "webrtc/modules/video_render/include/video_render_defines.h"
+
+// An adapter presenting VideoRendererInterface's API and delegating to
+// a VideoRenderCallback.  Suitable for feeding to
+// VideoTrackInterface::AddRenderer().
+class CallbackConverter : public webrtc::VideoRendererInterface {
+
+ public:
+  CallbackConverter(webrtc::VideoRenderCallback* callback,
+                    const uint32_t streamId)
+      : callback_(callback), streamId_(streamId) {}
+
+  virtual void SetSize(int width, int height) {};
+  virtual void RenderFrame(const cricket::VideoFrame* frame) {
+    // Make this into an I420VideoFrame.
+    size_t width = frame->GetWidth();
+    size_t height = frame->GetHeight();
+
+    size_t y_plane_size = width * height;
+    size_t uv_plane_size = frame->GetChromaSize();
+
+    webrtc::I420VideoFrame i420Frame;
+    i420Frame.CreateFrame(y_plane_size,
+                          frame->GetYPlane(),
+                          uv_plane_size,
+                          frame->GetUPlane(),
+                          uv_plane_size,
+                          frame->GetVPlane(),
+                          width,
+                          height,
+                          frame->GetYPitch(),
+                          frame->GetUPitch(),
+                          frame->GetVPitch());
+
+    i420Frame.set_render_time_ms(frame->GetTimeStamp() / 1000000);
+
+    callback_->RenderFrame(streamId_, i420Frame);
+  }
+
+ private:
+  webrtc::VideoRenderCallback* callback_;
+  const uint32_t streamId_;
+};
+
+@implementation RTCVideoRenderer {
+  CallbackConverter* _converter;
+  talk_base::scoped_ptr<webrtc::VideoRenderIosImpl> _iosRenderer;
+}
 
 @synthesize delegate = _delegate;
 
 + (RTCVideoRenderer *)videoRenderGUIWithFrame:(CGRect)frame {
-  // TODO (hughv): Implement.
+  return [[RTCVideoRenderer alloc]
-  return nil;
+      initWithRenderView:[RTCVideoRenderer newRenderViewWithFrame:frame]];
 }
 
 - (id)initWithDelegate:(id<RTCVideoRendererDelegate>)delegate {
@@ -55,20 +107,93 @@
   return self;
 }
 
++ (UIView*)newRenderViewWithFrame:(CGRect)frame {
+  VideoRenderIosView* newView =
+      [[VideoRenderIosView alloc] initWithFrame:frame];
+  return newView;
+}
+
+- (id)initWithRenderView:(UIView*)view {
+  NSAssert([view isKindOfClass:[VideoRenderIosView class]],
+           @"The view must be of kind 'VideoRenderIosView'");
+  if ((self = [super init])) {
+    VideoRenderIosView* renderView = (VideoRenderIosView*)view;
+    _iosRenderer.reset(
+        new webrtc::VideoRenderIosImpl(0, (__bridge void*)renderView, NO));
+    if (_iosRenderer->Init() != -1) {
+      webrtc::VideoRenderCallback* callback =
+          _iosRenderer->AddIncomingRenderStream(0, 1, 0, 0, 1, 1);
+      _converter = new CallbackConverter(callback, 0);
+      _iosRenderer->StartRender();
+    } else {
+      self = nil;
+    }
+  }
+  return self;
+}
+
+- (void)start {
+  _iosRenderer->StartRender();
+}
+
+- (void)stop {
+  _iosRenderer->StopRender();
+}
+
 @end
 
 @implementation RTCVideoRenderer (Internal)
 
+- (webrtc::VideoRendererInterface*)videoRenderer {
+  return _converter;
+}
+
+@end
+
+#else  // TARGET_OS_IPHONE
+
+// TODO(fischman): implement an OS/X RTCVideoRenderer (and add to
+// RTCPeerConnectionTest!).
+
+#import "RTCI420Frame.h"
+#import "RTCVideoRendererDelegate.h"
+@implementation RTCVideoRenderer
+@synthesize delegate = _delegate;
++ (RTCVideoRenderer*)videoRenderGUIWithFrame:(CGRect)frame {
+  // TODO(hughv): Implement.
+  return nil;
+}
+- (id)initWithDelegate:(id<RTCVideoRendererDelegate>)delegate {
+  if ((self = [super init])) {
+    _delegate = delegate;
+    // TODO(hughv): Create video renderer.
+  }
+  return self;
+}
+
++ (UIView*)newRenderViewWithFrame:(CGRect)frame {
+  return nil;
+}
+- (id)initWithRenderView:(UIView*)renderView {
+  return nil;
+}
+- (void)start {
+}
+- (void)stop {
+}
+
+@end
+@implementation RTCVideoRenderer (Internal)
 - (id)initWithVideoRenderer:(webrtc::VideoRendererInterface *)videoRenderer {
   if ((self = [super init])) {
     // TODO(hughv): Implement.
   }
   return self;
 }
-
 - (webrtc::VideoRendererInterface *)videoRenderer {
   // TODO(hughv): Implement.
   return NULL;
 }
-
 @end
+
+#endif  // TARGET_OS_IPHONE

talk/app/webrtc/objc/public/RTCVideoRenderer.h

@@ -29,6 +29,7 @@
 
 @protocol RTCVideoRendererDelegate;
 struct CGRect;
+@class UIView;
 
 // Interface for rendering VideoFrames from a VideoTrack
 @interface RTCVideoRenderer : NSObject
@@ -38,11 +39,20 @@ struct CGRect;
 // A convenience method to create a renderer and window and render frames into
 // that window.
 + (RTCVideoRenderer *)videoRenderGUIWithFrame:(CGRect)frame;
++ (UIView*)newRenderViewWithFrame:(CGRect)frame;
+// The view to the following constructor
+// must be one of the views from newRenderViewWithFrame.
+- (id)initWithRenderView:(UIView*)renderView;
 
 // Initialize the renderer.  Requires a delegate which does the actual drawing
 // of frames.
 - (id)initWithDelegate:(id<RTCVideoRendererDelegate>)delegate;
 
+// Starts rendering.
+- (void)start;
+// Stops rendering. It can be restarted again using the 'start' method above.
+- (void)stop;
+
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 // Disallow init and don't add to documentation
 - (id)init __attribute__(

talk/app/webrtc/statscollector.cc

@@ -922,7 +922,12 @@ void StatsCollector::UpdateStatsFromExistingLocalAudioTracks() {
     std::string ssrc_id = talk_base::ToString<uint32>(ssrc);
     StatsReport* report = GetReport(StatsReport::kStatsReportTypeSsrc,
                                     ssrc_id);
-    ASSERT(report != NULL);
+    if (report == NULL) {
+      // This can happen if a local audio track is added to a stream on the
+      // fly and the report has not been set up yet. Do nothing in this case.
+      LOG(LS_ERROR) << "Stats report does not exist for ssrc " << ssrc;
+      continue;
+    }
 
     // The same ssrc can be used by both local and remote audio tracks.
     std::string track_id;

talk/examples/ios/AppRTCDemo/APPRTCAppClient.h

@@ -36,6 +36,8 @@
 
 @end
 
+@class RTCMediaConstraints;
+
 // Negotiates signaling for chatting with apprtc.appspot.com "rooms".
 // Uses the client<->server specifics of the apprtc AppEngine webapp.
 //
@@ -48,6 +50,7 @@
 @property(nonatomic, assign) id<ICEServerDelegate> ICEServerDelegate;
 @property(nonatomic, assign) id<GAEMessageHandler> messageHandler;
 @property(nonatomic, assign) BOOL initiator;
+@property(nonatomic, strong) RTCMediaConstraints* videoConstraints;
 
 - (void)connectToRoom:(NSURL *)room;
 - (void)sendData:(NSData *)data;

talk/examples/ios/AppRTCDemo/APPRTCAppClient.m

@@ -31,6 +31,8 @@
 
 #import "GAEChannelClient.h"
 #import "RTCICEServer.h"
+#import "APPRTCAppDelegate.h"
+#import "RTCMediaConstraints.h"
 
 @interface APPRTCAppClient ()
 
@@ -62,6 +64,7 @@
 @synthesize token = _token;
 @synthesize verboseLogging = _verboseLogging;
 @synthesize initiator = _initiator;
+@synthesize videoConstraints = _videoConstraints;
 
 - (id)init {
   if (self = [super init]) {
@@ -263,6 +266,9 @@
                           options:0
                             range:NSMakeRange(0, [self.roomHtml length])]) {
     [self showMessage:@"Room full"];
+    APPRTCAppDelegate *ad =
+      (APPRTCAppDelegate *)[[UIApplication sharedApplication] delegate];
+    [ad closeVideoUI];
     return;
   }
 
@@ -331,6 +337,18 @@
   }
   [self updateICEServers:ICEServers withTurnServer:turnServerUrl];
 
+  NSString* mc = [self findVar:@"mediaConstraints" strippingQuotes:NO];
+  if (mc) {
+    error = nil;
+    NSData *mcData = [mc dataUsingEncoding:NSUTF8StringEncoding];
+    json =
+      [NSJSONSerialization JSONObjectWithData:mcData options:0 error:&error];
+    NSAssert(!error, @"Unable to parse.  %@", error.localizedDescription);
+    if ([[json objectForKey:@"video"] boolValue]) {
+      self.videoConstraints = [[RTCMediaConstraints alloc] init];
+    }
+  }
+
   [self maybeLogMessage:
           [NSString stringWithFormat:@"About to open GAE with token:  %@",
               self.token]];

talk/examples/ios/AppRTCDemo/APPRTCAppDelegate.h

@@ -40,6 +40,7 @@
 @end
 
 @class APPRTCViewController;
+@class RTCVideoTrack;
 
 // The main application class of the AppRTCDemo iOS app demonstrating
 // interoperability between the Objcective C implementation of PeerConnection
@@ -53,4 +54,6 @@
 @property (strong, nonatomic) UIWindow *window;
 @property (strong, nonatomic) APPRTCViewController *viewController;
 
+- (void)closeVideoUI;
+
 @end

talk/examples/ios/AppRTCDemo/APPRTCAppDelegate.m

@@ -25,6 +25,8 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#import <AVFoundation/AVFoundation.h>
+
 #import "APPRTCAppDelegate.h"
 
 #import "APPRTCViewController.h"
@@ -37,17 +39,25 @@
 #import "RTCPeerConnectionDelegate.h"
 #import "RTCPeerConnectionFactory.h"
 #import "RTCSessionDescription.h"
+#import "RTCVideoRenderer.h"
+#import "RTCVideoCapturer.h"
+#import "RTCVideoTrack.h"
+#import "VideoView.h"
 
 @interface PCObserver : NSObject<RTCPeerConnectionDelegate>
 
 - (id)initWithDelegate:(id<APPRTCSendMessage>)delegate;
 
+@property(nonatomic, strong)  VideoView *videoView;
+
 @end
 
 @implementation PCObserver {
   id<APPRTCSendMessage> _delegate;
 }
 
+@synthesize videoView = _videoView;
+
 - (id)initWithDelegate:(id<APPRTCSendMessage>)delegate {
   if (self = [super init]) {
     _delegate = delegate;
@@ -71,16 +81,18 @@
   dispatch_async(dispatch_get_main_queue(), ^(void) {
     NSAssert([stream.audioTracks count] >= 1,
              @"Expected at least 1 audio stream");
-    //NSAssert([stream.videoTracks count] >= 1,
+    NSAssert([stream.videoTracks count] <= 1,
-    //         @"Expected at least 1 video stream");
+             @"Expected at most 1 video stream");
-    // TODO(hughv): Add video support
+    if ([stream.videoTracks count] != 0) {
+        [[self videoView]
+         renderVideoTrackInterface:[stream.videoTracks objectAtIndex:0]];
+    }
   });
 }
 
 - (void)peerConnection:(RTCPeerConnection *)peerConnection
          removedStream:(RTCMediaStream *)stream {
   NSLog(@"PCO onRemoveStream.");
-  // TODO(hughv): Remove video track.
 }
 
 - (void)
@@ -166,8 +178,7 @@
 
 - (void)applicationWillResignActive:(UIApplication *)application {
   [self displayLogMessage:@"Application lost focus, connection broken."];
-  [self disconnect];
+  [self closeVideoUI];
-  [self.viewController resetUI];
 }
 
 - (void)applicationDidEnterBackground:(UIApplication *)application {
@@ -212,7 +223,21 @@
 - (void)onICEServers:(NSArray *)servers {
   self.queuedRemoteCandidates = [NSMutableArray array];
   self.peerConnectionFactory = [[RTCPeerConnectionFactory alloc] init];
-  RTCMediaConstraints *constraints = [[RTCMediaConstraints alloc] init];
+  RTCMediaConstraints *constraints = [[RTCMediaConstraints alloc]
+                                      initWithMandatoryConstraints:
+                                      @[[[RTCPair alloc]
+                                         initWithKey:@"OfferToReceiveAudio"
+                                                               value:@"true"],
+                                        [[RTCPair alloc]
+                                         initWithKey:@"OfferToReceiveVideo"
+                                                               value:@"true"]]
+                                      optionalConstraints:
+                                      @[[[RTCPair alloc]
+                                         initWithKey:@"internalSctpDataChannels"
+                                                               value:@"true"],
+                                        [[RTCPair alloc]
+                                         initWithKey:@"DtlsSrtpKeyAgreement"
+                                                               value:@"true"]]];
   self.pcObserver = [[PCObserver alloc] initWithDelegate:self];
   self.peerConnection =
       [self.peerConnectionFactory peerConnectionWithICEServers:servers
@@ -220,7 +245,34 @@
                                                       delegate:self.pcObserver];
   RTCMediaStream *lms =
       [self.peerConnectionFactory mediaStreamWithLabel:@"ARDAMS"];
-  // TODO(hughv): Add video.
+
+  NSString *cameraID = nil;
+  for (AVCaptureDevice *captureDevice in
+       [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo] ) {
+      if (captureDevice.position == AVCaptureDevicePositionFront) {
+          cameraID = [captureDevice localizedName];
+          break;
+      }
+  }
+  NSAssert(cameraID, @"Unable to get the front camera id");
+
+  RTCVideoCapturer *capturer =
+    [RTCVideoCapturer capturerWithDeviceName:cameraID];
+  RTCVideoSource *videoSource =
+    [self.peerConnectionFactory
+     videoSourceWithCapturer:capturer constraints:self.client.videoConstraints];
+  RTCVideoTrack *localVideoTrack =
+   [self.peerConnectionFactory
+    videoTrackWithID:@"ARDAMSv0" source:videoSource];
+  if (localVideoTrack) {
+      [lms addVideoTrack:localVideoTrack];
+  }
+
+  [self.viewController.localVideoView
+   renderVideoTrackInterface:localVideoTrack];
+
+  self.pcObserver.videoView = self.viewController.remoteVideoView;
+
   [lms addAudioTrack:[self.peerConnectionFactory audioTrackWithID:@"ARDAMSa0"]];
   [self.peerConnection addStream:lms constraints:constraints];
   [self displayLogMessage:@"onICEServers - add local stream."];
@@ -236,10 +288,9 @@
   [self displayLogMessage:@"GAE onOpen - create offer."];
   RTCPair *audio =
       [[RTCPair alloc] initWithKey:@"OfferToReceiveAudio" value:@"true"];
-  // TODO(hughv): Add video.
+  RTCPair *video = [[RTCPair alloc] initWithKey:@"OfferToReceiveVideo"
-  //  RTCPair *video = [[RTCPair alloc] initWithKey:@"OfferToReceiveVideo"
+                                          value:@"true"];
-  //                                          value:@"true"];
+  NSArray *mandatory = @[ audio , video ];
-  NSArray *mandatory = @[ audio /*, video*/ ];
   RTCMediaConstraints *constraints =
       [[RTCMediaConstraints alloc] initWithMandatoryConstraints:mandatory
                                             optionalConstraints:nil];
@@ -283,7 +334,14 @@
                                        sessionDescription:sdp];
     [self displayLogMessage:@"PC - setRemoteDescription."];
   } else if ([value compare:@"bye"] == NSOrderedSame) {
-    [self disconnect];
+    [self closeVideoUI];
+    UIAlertView *alertView =
+      [[UIAlertView alloc] initWithTitle:@"Remote end hung up"
+                                message:@"dropping PeerConnection"
+                                delegate:nil
+                                cancelButtonTitle:@"OK"
+                                otherButtonTitles:nil];
+    [alertView show];
   } else {
     NSAssert(NO, @"Invalid message: %@", data);
   }
@@ -291,13 +349,13 @@
 
 - (void)onClose {
   [self displayLogMessage:@"GAE onClose."];
-  [self disconnect];
+  [self closeVideoUI];
 }
 
 - (void)onError:(int)code withDescription:(NSString *)description {
   [self displayLogMessage:
           [NSString stringWithFormat:@"GAE onError:  %@", description]];
-  [self disconnect];
+  [self closeVideoUI];
 }
 
 #pragma mark - RTCSessionDescriptonDelegate methods
@@ -411,11 +469,10 @@
             RTCPair *audio =
                 [[RTCPair alloc]
                     initWithKey:@"OfferToReceiveAudio" value:@"true"];
-            // TODO(hughv): Add video.
+            RTCPair *video =
-            // RTCPair *video =
+               [[RTCPair alloc]
-            //    [[RTCPair alloc]
+                   initWithKey:@"OfferToReceiveVideo" value:@"true"];
-            //        initWithKey:@"OfferToReceiveVideo" value:@"true"];
+            NSArray *mandatory = @[ audio , video ];
-            NSArray *mandatory = @[ audio /*, video*/ ];
             RTCMediaConstraints *constraints =
                 [[RTCMediaConstraints alloc]
                     initWithMandatoryConstraints:mandatory
@@ -441,6 +498,7 @@
 - (void)disconnect {
   [self.client
       sendData:[@"{\"type\": \"bye\"}" dataUsingEncoding:NSUTF8StringEncoding]];
+  [self.peerConnection close];
   self.peerConnection = nil;
   self.peerConnectionFactory = nil;
   self.pcObserver = nil;
@@ -479,4 +537,11 @@
   return removeBackslash;
 }
 
+#pragma mark - public methods
+
+- (void)closeVideoUI {
+    [self disconnect];
+    [self.viewController resetUI];
+}
+
 @end

talk/examples/ios/AppRTCDemo/APPRTCViewController.h

@@ -27,12 +27,18 @@
 
 #import <UIKit/UIKit.h>
 
+@class VideoView;
+
 // The view controller that is displayed when AppRTCDemo is loaded.
 @interface APPRTCViewController : UIViewController<UITextFieldDelegate>
 
 @property (weak, nonatomic) IBOutlet UITextField *textField;
 @property (weak, nonatomic) IBOutlet UITextView *textInstructions;
 @property (weak, nonatomic) IBOutlet UITextView *textOutput;
+@property(weak, nonatomic) IBOutlet UIView* blackView;
+
+@property(nonatomic, strong) VideoView* remoteVideoView;
+@property(nonatomic, strong) VideoView* localVideoView;
 
 - (void)displayText:(NSString *)text;
 - (void)resetUI;

talk/examples/ios/AppRTCDemo/APPRTCViewController.m

@@ -27,8 +27,12 @@
 
 #import "APPRTCViewController.h"
 
+#import "VideoView.h"
+
 @interface APPRTCViewController ()
 
+@property (nonatomic, assign) UIInterfaceOrientation statusBarOrientation;
+
 @end
 
 @implementation APPRTCViewController
@@ -36,13 +40,31 @@
 @synthesize textField = _textField;
 @synthesize textInstructions = _textInstructions;
 @synthesize textOutput = _textOutput;
+@synthesize blackView = _blackView;
+
+@synthesize remoteVideoView = _remoteVideoView;
+@synthesize localVideoView = _localVideoView;
+
+@synthesize statusBarOrientation = _statusBarOrientation;
 
 - (void)viewDidLoad {
   [super viewDidLoad];
+  self.statusBarOrientation =
+    [UIApplication sharedApplication].statusBarOrientation;
   self.textField.delegate = self;
   [self.textField becomeFirstResponder];
 }
 
+- (void)viewDidLayoutSubviews {
+    if (self.statusBarOrientation !=
+        [UIApplication sharedApplication].statusBarOrientation) {
+        self.statusBarOrientation =
+            [UIApplication sharedApplication].statusBarOrientation;
+        [[NSNotificationCenter defaultCenter]
+         postNotificationName:@"StatusBarOrientationDidChange" object:nil];
+    }
+}
+
 - (void)displayText:(NSString *)text {
   dispatch_async(dispatch_get_main_queue(), ^(void) {
     NSString *output =
@@ -52,11 +74,75 @@
 }
 
 - (void)resetUI {
+  [self.textField resignFirstResponder];
   self.textField.text = nil;
   self.textField.hidden = NO;
   self.textInstructions.hidden = NO;
   self.textOutput.hidden = YES;
   self.textOutput.text = nil;
+  self.blackView.hidden = YES;
+
+  [_remoteVideoView stop];
+  [_remoteVideoView removeFromSuperview];
+  self.remoteVideoView = nil;
+
+  [_localVideoView stop];
+  [_localVideoView removeFromSuperview];
+  self.localVideoView = nil;
+}
+
+// TODO(fischman): Use video dimensions from the incoming video stream
+// and resize the Video View accordingly w.r.t. aspect ratio.
+enum {
+    // Remote video view dimensions.
+    kRemoteVideoWidth = 640,
+    kRemoteVideoHeight = 480,
+    // Padding space for local video view with its parent.
+    kLocalViewPadding = 20
+};
+
+- (void)setupCaptureSession {
+    self.blackView.hidden = NO;
+
+    CGRect frame = CGRectMake((self.blackView.bounds.size.width
+                               -kRemoteVideoWidth)/2,
+                              (self.blackView.bounds.size.height
+                               -kRemoteVideoHeight)/2,
+                              kRemoteVideoWidth,
+                              kRemoteVideoHeight);
+    VideoView *videoView = [[VideoView alloc] initWithFrame:frame];
+    videoView.isRemote = TRUE;
+
+    [self.blackView addSubview:videoView];
+    videoView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin |
+                                    UIViewAutoresizingFlexibleRightMargin |
+                                    UIViewAutoresizingFlexibleBottomMargin |
+                                    UIViewAutoresizingFlexibleTopMargin;
+    videoView.translatesAutoresizingMaskIntoConstraints = YES;
+    _remoteVideoView = videoView;
+
+    CGSize screenSize = [[UIScreen mainScreen] bounds].size;
+    CGFloat localVideoViewWidth =
+        UIInterfaceOrientationIsPortrait(self.statusBarOrientation) ?
+                        screenSize.width/4 : screenSize.height/4;
+    CGFloat localVideoViewHeight =
+        UIInterfaceOrientationIsPortrait(self.statusBarOrientation) ?
+                        screenSize.height/4 : screenSize.width/4;
+    frame = CGRectMake(self.blackView.bounds.size.width
+                       -localVideoViewWidth-kLocalViewPadding,
+                       kLocalViewPadding,
+                       localVideoViewWidth,
+                       localVideoViewHeight);
+    videoView = [[VideoView alloc] initWithFrame:frame];
+    videoView.isRemote = FALSE;
+
+    [self.blackView addSubview:videoView];
+    videoView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin |
+                                    UIViewAutoresizingFlexibleBottomMargin |
+                                    UIViewAutoresizingFlexibleHeight |
+                                    UIViewAutoresizingFlexibleWidth;
+    videoView.translatesAutoresizingMaskIntoConstraints = YES;
+    _localVideoView = videoView;
 }
 
 #pragma mark - UITextFieldDelegate
@@ -76,6 +162,10 @@
   NSString *url =
       [NSString stringWithFormat:@"apprtc://apprtc.appspot.com/?r=%@", room];
   [[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];
+
+  dispatch_async(dispatch_get_main_queue(), ^{
+      [self setupCaptureSession];
+  });
 }
 
 - (BOOL)textFieldShouldReturn:(UITextField *)textField {

talk/examples/ios/AppRTCDemo/VideoView.h

@@ -0,0 +1,50 @@
+/*
+ * libjingle
+ * Copyright 2013, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <UIKit/UIKit.h>
+
+@class RTCVideoTrack;
+
+// This class encapsulates VideoRenderIosView.
+@interface VideoView : UIView
+
+// Property to get/set required video orientation.
+@property(nonatomic, assign) UIInterfaceOrientation videoOrientation;
+// Specifies whether the object represents a local or remote video stream.
+@property(nonatomic, assign) BOOL isRemote;
+
+// Sets up the underlying renderer and track objects.
+- (void)renderVideoTrackInterface:(RTCVideoTrack*)track;
+
+// Stops rendering.
+- (void)pause;
+// Starts rendering.
+- (void)resume;
+// Stops rendering and resets underlying renderer and track objects.
+- (void)stop;
+
+@end

talk/examples/ios/AppRTCDemo/VideoView.m

@@ -0,0 +1,168 @@
+/*
+ * libjingle
+ * Copyright 2013, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This VideoView must be initialzed and added to a View to get
+ * either the local or remote video stream rendered.
+ * It is a view itself and it encapsulates
+ * an object of VideoRenderIosView and UIActivityIndicatorView.
+ * Both of the views will get resized as per the frame of their parent.
+ */
+
+#import "VideoView.h"
+
+#import "RTCVideoRenderer.h"
+#import "RTCVideoTrack.h"
+
+@interface VideoView () {
+    RTCVideoTrack *_track;
+    RTCVideoRenderer *_renderer;
+}
+
+@property (nonatomic, weak) UIView *renderView;
+@property (nonatomic, weak) UIActivityIndicatorView *activityView;
+
+@end
+
+@implementation VideoView
+
+@synthesize videoOrientation = _videoOrientation;
+@synthesize isRemote = _isRemote;
+@synthesize renderView = _renderView;
+@synthesize activityView = _activityView;
+
+static void init(VideoView *self) {
+    UIView *renderView = [RTCVideoRenderer newRenderViewWithFrame:
+                          CGRectMake(0,
+                                     0,
+                                     self.bounds.size.width,
+                                     self.bounds.size.height)];
+    [self addSubview:renderView];
+    renderView.autoresizingMask = UIViewAutoresizingFlexibleHeight |
+                                    UIViewAutoresizingFlexibleWidth;
+    renderView.translatesAutoresizingMaskIntoConstraints = YES;
+    self.renderView = renderView;
+
+    UIActivityIndicatorView *indicatorView =
+        [[UIActivityIndicatorView alloc]
+            initWithActivityIndicatorStyle:
+                UIActivityIndicatorViewStyleWhiteLarge];
+    indicatorView.frame = self.bounds;
+    indicatorView.hidesWhenStopped = YES;
+    [self addSubview:indicatorView];
+    indicatorView.autoresizingMask = UIViewAutoresizingFlexibleWidth |
+                                        UIViewAutoresizingFlexibleHeight;
+    indicatorView.translatesAutoresizingMaskIntoConstraints = YES;
+    [indicatorView startAnimating];
+    self.activityView = indicatorView;
+}
+
+- (id)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        init(self);
+    }
+    return self;
+}
+
+-(id)initWithCoder:(NSCoder *)aDecoder {
+    self = [super initWithCoder:aDecoder];
+    if (self) {
+        init(self);
+    }
+    return self;
+}
+
+- (UIInterfaceOrientation)videoOrientation {
+    return _videoOrientation;
+}
+
+- (void)setVideoOrientation:(UIInterfaceOrientation)videoOrientation {
+    if (_videoOrientation != videoOrientation) {
+        _videoOrientation = videoOrientation;
+
+        CGFloat angle;
+        switch (videoOrientation) {
+            case UIInterfaceOrientationPortrait:
+                angle = M_PI_2;
+                break;
+            case UIInterfaceOrientationPortraitUpsideDown:
+                angle = -M_PI_2;
+                break;
+            case UIInterfaceOrientationLandscapeLeft:
+                angle = M_PI;
+                break;
+            case UIInterfaceOrientationLandscapeRight:
+                angle = 0;
+                break;
+        }
+        // The video comes in mirrored. That is fine for the local video,
+        // but the remote video should be put back to original.
+        CGAffineTransform xform =
+            CGAffineTransformMakeScale([self isRemote] ? -1 : 1, 1);
+        xform = CGAffineTransformRotate(xform, angle);
+        [[self renderView] setTransform:xform];
+    }
+}
+
+- (void)renderVideoTrackInterface:(RTCVideoTrack *)videoTrack {
+    [self stop];
+
+    _track = videoTrack;
+
+    if (_track) {
+        if (!_renderer) {
+            _renderer = [[RTCVideoRenderer alloc]
+                         initWithRenderView:[self renderView]];
+        }
+        [_track addRenderer:_renderer];
+        [self resume];
+    }
+
+    [self setVideoOrientation:UIInterfaceOrientationLandscapeLeft];
+    [self setVideoOrientation:UIInterfaceOrientationPortrait];
+    [self setVideoOrientation:UIInterfaceOrientationLandscapeLeft];
+}
+
+-(void)pause {
+    [_renderer stop];
+}
+
+-(void)resume {
+    [self.activityView stopAnimating];
+    [self.activityView removeFromSuperview];
+    self.activityView = nil;
+
+    [_renderer start];
+}
+
+- (void)stop {
+    [_track removeRenderer:_renderer];
+    [_renderer stop];
+}
+
+@end

talk/examples/ios/AppRTCDemo/en.lproj/APPRTCViewController.xib

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
 	<data>
-		<int key="IBDocument.SystemTarget">1552</int>
+		<int key="IBDocument.SystemTarget">1536</int>
-		<string key="IBDocument.SystemVersion">12D78</string>
+		<string key="IBDocument.SystemVersion">13B42</string>
-		<string key="IBDocument.InterfaceBuilderVersion">3084</string>
+		<string key="IBDocument.InterfaceBuilderVersion">4514</string>
-		<string key="IBDocument.AppKitVersion">1187.37</string>
+		<string key="IBDocument.AppKitVersion">1265</string>
-		<string key="IBDocument.HIToolboxVersion">626.00</string>
+		<string key="IBDocument.HIToolboxVersion">696.00</string>
 		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
 			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-			<string key="NS.object.0">2083</string>
+			<string key="NS.object.0">3747</string>
 		</object>
 		<array key="IBDocument.IntegratedClassDependencies">
 			<string>IBNSLayoutConstraint</string>
@@ -34,7 +34,7 @@
 				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 			</object>
 			<object class="IBUIView" id="774585933">
-				<nil key="NSNextResponder"/>
+				<reference key="NSNextResponder"/>
 				<int key="NSvFlags">274</int>
 				<array class="NSMutableArray" key="NSSubviews">
 					<object class="IBUITextView" id="176994284">
@@ -42,7 +42,8 @@
 						<int key="NSvFlags">292</int>
 						<string key="NSFrame">{{20, 20}, {280, 141}}</string>
 						<reference key="NSSuperview" ref="774585933"/>
-						<reference key="NSNextKeyView" ref="546385578"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="634862110"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<object class="NSColor" key="IBUIBackgroundColor" id="621995359">
 							<int key="NSColorSpace">1</int>
@@ -60,8 +61,8 @@
 							<int key="type">1</int>
 							<double key="pointSize">14</double>
 						</object>
-						<object class="NSFont" key="IBUIFont" id="371333696">
+						<object class="NSFont" key="IBUIFont" id="144501234">
-							<string key="NSName">Helvetica</string>
+							<string key="NSName">HelveticaNeue</string>
 							<double key="NSSize">14</double>
 							<int key="NSfFlags">16</int>
 						</object>
@@ -71,7 +72,8 @@
 						<int key="NSvFlags">292</int>
 						<string key="NSFrame">{{20, 180}, {280, 30}}</string>
 						<reference key="NSSuperview" ref="774585933"/>
-						<reference key="NSNextKeyView" ref="634862110"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="261050959"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
 						<bool key="IBUIClipsSubviews">YES</bool>
@@ -95,13 +97,15 @@
 							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 						</object>
 						<reference key="IBUIFontDescription" ref="166497611"/>
-						<reference key="IBUIFont" ref="371333696"/>
+						<reference key="IBUIFont" ref="144501234"/>
 					</object>
 					<object class="IBUITextView" id="634862110">
 						<reference key="NSNextResponder" ref="774585933"/>
 						<int key="NSvFlags">-2147483356</int>
-						<string key="NSFrame">{{20, 20}, {280, 508}}</string>
+						<string key="NSFrame">{{20, 20}, {280, 190}}</string>
 						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="546385578"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<reference key="IBUIBackgroundColor" ref="621995359"/>
 						<bool key="IBUIClipsSubviews">YES</bool>
@@ -114,10 +118,26 @@
 							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 						</object>
 						<reference key="IBUIFontDescription" ref="166497611"/>
-						<reference key="IBUIFont" ref="371333696"/>
+						<reference key="IBUIFont" ref="144501234"/>
+					</object>
+					<object class="IBUIView" id="261050959">
+						<reference key="NSNextResponder" ref="774585933"/>
+						<int key="NSvFlags">-2147483356</int>
+						<string key="NSFrame">{{20, 228}, {280, 300}}</string>
+						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MAA</bytes>
+						</object>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 					</object>
 				</array>
 				<string key="NSFrame">{{0, 20}, {320, 548}}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
 				<reference key="NSNextKeyView" ref="176994284"/>
 				<object class="NSColor" key="IBUIBackgroundColor">
 					<int key="NSColorSpace">3</int>
@@ -140,7 +160,7 @@
 						</array>
 					</object>
 					<string key="IBUITargetRuntime">IBCocoaTouchFramework</string>
-					<string key="IBUIDisplayName">Retina 4 Full Screen</string>
+					<string key="IBUIDisplayName">Retina 4-inch Full Screen</string>
 					<int key="IBUIType">2</int>
 				</object>
 				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -180,6 +200,14 @@
 					</object>
 					<int key="connectionID">138</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">blackView</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="261050959"/>
+					</object>
+					<int key="connectionID">151</int>
+				</object>
 			</array>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<array key="orderedObjects">
@@ -204,6 +232,74 @@
 						<int key="objectID">6</int>
 						<reference key="object" ref="774585933"/>
 						<array class="NSMutableArray" key="children">
+							<object class="IBNSLayoutConstraint" id="933872207">
+								<reference key="firstItem" ref="774585933"/>
+								<int key="firstAttribute">4</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="261050959"/>
+								<int key="secondAttribute">4</int>
+								<float key="multiplier">1</float>
+								<object class="IBNSLayoutSymbolicConstant" key="constant">
+									<double key="value">20</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">8</int>
+								<float key="scoringTypeFloat">23</float>
+								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
+							</object>
+							<object class="IBNSLayoutConstraint" id="863471211">
+								<reference key="firstItem" ref="261050959"/>
+								<int key="firstAttribute">3</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="774585933"/>
+								<int key="secondAttribute">3</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">228</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">3</int>
+								<float key="scoringTypeFloat">9</float>
+								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
+							</object>
+							<object class="IBNSLayoutConstraint" id="590654550">
+								<reference key="firstItem" ref="546385578"/>
+								<int key="firstAttribute">5</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="261050959"/>
+								<int key="secondAttribute">5</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">0.0</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">6</int>
+								<float key="scoringTypeFloat">24</float>
+								<int key="contentType">2</int>
+								<bool key="placeholder">NO</bool>
+							</object>
+							<object class="IBNSLayoutConstraint" id="734153049">
+								<reference key="firstItem" ref="546385578"/>
+								<int key="firstAttribute">6</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="261050959"/>
+								<int key="secondAttribute">6</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">0.0</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">6</int>
+								<float key="scoringTypeFloat">24</float>
+								<int key="contentType">2</int>
+								<bool key="placeholder">NO</bool>
+							</object>
 							<object class="IBNSLayoutConstraint" id="117610664">
 								<reference key="firstItem" ref="774585933"/>
 								<int key="firstAttribute">6</int>
@@ -216,25 +312,10 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
-							</object>
+								<bool key="placeholder">NO</bool>
-							<object class="IBNSLayoutConstraint" id="555801739">
-								<reference key="firstItem" ref="546385578"/>
-								<int key="firstAttribute">3</int>
-								<int key="relation">0</int>
-								<reference key="secondItem" ref="774585933"/>
-								<int key="secondAttribute">3</int>
-								<float key="multiplier">1</float>
-								<object class="IBLayoutConstant" key="constant">
-									<double key="value">180</double>
-								</object>
-								<float key="priority">1000</float>
-								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">3</int>
-								<float key="scoringTypeFloat">9</float>
-								<int key="contentType">3</int>
 							</object>
 							<object class="IBNSLayoutConstraint" id="860801955">
 								<reference key="firstItem" ref="546385578"/>
@@ -248,9 +329,27 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
+							</object>
+							<object class="IBNSLayoutConstraint" id="544488581">
+								<reference key="firstItem" ref="634862110"/>
+								<int key="firstAttribute">4</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="546385578"/>
+								<int key="secondAttribute">4</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">0.0</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">6</int>
+								<float key="scoringTypeFloat">24</float>
+								<int key="contentType">2</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<object class="IBNSLayoutConstraint" id="19985792">
 								<reference key="firstItem" ref="634862110"/>
@@ -264,9 +363,10 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<object class="IBNSLayoutConstraint" id="1001701893">
 								<reference key="firstItem" ref="774585933"/>
@@ -280,25 +380,10 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
-								<float key="scoringTypeFloat">29</float>
-								<int key="contentType">3</int>
-							</object>
-							<object class="IBNSLayoutConstraint" id="914503793">
-								<reference key="firstItem" ref="774585933"/>
-								<int key="firstAttribute">4</int>
-								<int key="relation">0</int>
-								<reference key="secondItem" ref="634862110"/>
-								<int key="secondAttribute">4</int>
-								<float key="multiplier">1</float>
-								<object class="IBNSLayoutSymbolicConstant" key="constant">
-									<double key="value">20</double>
-								</object>
-								<float key="priority">1000</float>
-								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<object class="IBNSLayoutConstraint" id="858545289">
 								<reference key="firstItem" ref="634862110"/>
@@ -312,9 +397,10 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<object class="IBNSLayoutConstraint" id="1039342825">
 								<reference key="firstItem" ref="774585933"/>
@@ -328,9 +414,10 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<object class="IBNSLayoutConstraint" id="663764352">
 								<reference key="firstItem" ref="176994284"/>
@@ -344,9 +431,10 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<object class="IBNSLayoutConstraint" id="46028745">
 								<reference key="firstItem" ref="176994284"/>
@@ -360,13 +448,15 @@
 								</object>
 								<float key="priority">1000</float>
 								<reference key="containingView" ref="774585933"/>
-								<int key="scoringType">8</int>
+								<int key="scoringType">0</int>
 								<float key="scoringTypeFloat">29</float>
 								<int key="contentType">3</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 							<reference ref="176994284"/>
 							<reference ref="546385578"/>
 							<reference ref="634862110"/>
+							<reference ref="261050959"/>
 						</array>
 						<reference key="parent" ref="0"/>
 					</object>
@@ -389,6 +479,7 @@
 								<int key="scoringType">3</int>
 								<float key="scoringTypeFloat">9</float>
 								<int key="contentType">1</int>
+								<bool key="placeholder">NO</bool>
 							</object>
 						</array>
 						<reference key="parent" ref="774585933"/>
@@ -424,11 +515,6 @@
 						<reference key="object" ref="234302232"/>
 						<reference key="parent" ref="176994284"/>
 					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">124</int>
-						<reference key="object" ref="555801739"/>
-						<reference key="parent" ref="774585933"/>
-					</object>
 					<object class="IBObjectRecord">
 						<int key="objectID">126</int>
 						<reference key="object" ref="117610664"/>
@@ -437,7 +523,25 @@
 					<object class="IBObjectRecord">
 						<int key="objectID">128</int>
 						<reference key="object" ref="634862110"/>
-						<array class="NSMutableArray" key="children"/>
+						<array class="NSMutableArray" key="children">
+							<object class="IBNSLayoutConstraint" id="988159807">
+								<reference key="firstItem" ref="634862110"/>
+								<int key="firstAttribute">8</int>
+								<int key="relation">0</int>
+								<nil key="secondItem"/>
+								<int key="secondAttribute">0</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">190</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="634862110"/>
+								<int key="scoringType">3</int>
+								<float key="scoringTypeFloat">9</float>
+								<int key="contentType">1</int>
+								<bool key="placeholder">NO</bool>
+							</object>
+						</array>
 						<reference key="parent" ref="774585933"/>
 					</object>
 					<object class="IBObjectRecord">
@@ -445,11 +549,6 @@
 						<reference key="object" ref="858545289"/>
 						<reference key="parent" ref="774585933"/>
 					</object>
-					<object class="IBObjectRecord">
-						<int key="objectID">136</int>
-						<reference key="object" ref="914503793"/>
-						<reference key="parent" ref="774585933"/>
-					</object>
 					<object class="IBObjectRecord">
 						<int key="objectID">137</int>
 						<reference key="object" ref="1001701893"/>
@@ -460,6 +559,41 @@
 						<reference key="object" ref="19985792"/>
 						<reference key="parent" ref="774585933"/>
 					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">141</int>
+						<reference key="object" ref="988159807"/>
+						<reference key="parent" ref="634862110"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">142</int>
+						<reference key="object" ref="261050959"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">148</int>
+						<reference key="object" ref="734153049"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">149</int>
+						<reference key="object" ref="590654550"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">153</int>
+						<reference key="object" ref="863471211"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">154</int>
+						<reference key="object" ref="933872207"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">155</int>
+						<reference key="object" ref="544488581"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
 				</array>
 			</object>
 			<dictionary class="NSMutableDictionary" key="flattenedProperties">
@@ -471,31 +605,43 @@
 				<boolean value="NO" key="104.IBViewMetadataTranslatesAutoresizingMaskIntoConstraints"/>
 				<string key="107.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="123.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<string key="124.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="126.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="128.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<array key="128.IBViewMetadataConstraints">
+					<reference ref="988159807"/>
+				</array>
 				<boolean value="NO" key="128.IBViewMetadataTranslatesAutoresizingMaskIntoConstraints"/>
 				<string key="133.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<string key="136.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="137.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="139.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="141.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="142.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<boolean value="NO" key="142.IBViewMetadataTranslatesAutoresizingMaskIntoConstraints"/>
+				<string key="148.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="149.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="153.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="154.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="155.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="57.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<array class="NSMutableArray" key="57.IBViewMetadataConstraints">
 					<reference ref="234302232"/>
 				</array>
 				<boolean value="NO" key="57.IBViewMetadataTranslatesAutoresizingMaskIntoConstraints"/>
 				<string key="6.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-				<array key="6.IBViewMetadataConstraints">
+				<array class="NSMutableArray" key="6.IBViewMetadataConstraints">
 					<reference ref="46028745"/>
 					<reference ref="663764352"/>
 					<reference ref="1039342825"/>
 					<reference ref="858545289"/>
-					<reference ref="914503793"/>
 					<reference ref="1001701893"/>
 					<reference ref="19985792"/>
+					<reference ref="544488581"/>
 					<reference ref="860801955"/>
-					<reference ref="555801739"/>
 					<reference ref="117610664"/>
+					<reference ref="734153049"/>
+					<reference ref="590654550"/>
+					<reference ref="863471211"/>
+					<reference ref="933872207"/>
 				</array>
 				<string key="62.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="63.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
@@ -505,10 +651,42 @@
 			<nil key="activeLocalization"/>
 			<dictionary class="NSMutableDictionary" key="localizations"/>
 			<nil key="sourceID"/>
-			<int key="maxID">139</int>
+			<int key="maxID">155</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">APPRTCViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="blackView">UIView</string>
+						<string key="textField">UITextField</string>
+						<string key="textInstructions">UITextView</string>
+						<string key="textOutput">UITextView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="blackView">
+							<string key="name">blackView</string>
+							<string key="candidateClassName">UIView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="textField">
+							<string key="name">textField</string>
+							<string key="candidateClassName">UITextField</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="textInstructions">
+							<string key="name">textInstructions</string>
+							<string key="candidateClassName">UITextView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="textOutput">
+							<string key="name">textOutput</string>
+							<string key="candidateClassName">UITextView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/APPRTCViewController.h</string>
+					</object>
+				</object>
 				<object class="IBPartialClassDescription">
 					<string key="className">NSLayoutConstraint</string>
 					<string key="superclassName">NSObject</string>
@@ -521,9 +699,18 @@
 		</object>
 		<int key="IBDocument.localizationMode">0</int>
 		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<bool key="IBDocument.previouslyAttemptedUpgradeToXcode5">YES</bool>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<real value="1536" key="NS.object.0"/>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.InterfaceBuilder3</string>
+			<integer value="4600" key="NS.object.0"/>
+		</object>
 		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
 		<int key="IBDocument.defaultPropertyAccessControl">3</int>
 		<bool key="IBDocument.UseAutolayout">YES</bool>
-		<string key="IBCocoaTouchPluginVersion">2083</string>
+		<string key="IBCocoaTouchPluginVersion">3747</string>
 	</data>
 </archive>

talk/libjingle_examples.gyp

@@ -251,12 +251,15 @@
             'examples/ios/AppRTCDemo/AppRTCDemo-Prefix.pch',
             'examples/ios/AppRTCDemo/GAEChannelClient.h',
             'examples/ios/AppRTCDemo/GAEChannelClient.m',
+            'examples/ios/AppRTCDemo/VideoView.h',
+            'examples/ios/AppRTCDemo/VideoView.m',
             'examples/ios/AppRTCDemo/main.m',
           ],
           'xcode_settings': {
             'CLANG_ENABLE_OBJC_ARC': 'YES',
             'INFOPLIST_FILE': 'examples/ios/AppRTCDemo/Info.plist',
             'OTHER_LDFLAGS': [
+	      '-framework CoreGraphics',
               '-framework Foundation',
               '-framework UIKit',
             ],

talk/media/devices/devicemanager.cc

@@ -39,8 +39,6 @@
 #include "talk/media/devices/filevideocapturer.h"
 #include "talk/media/devices/yuvframescapturer.h"
 
-#if !defined(IOS)
-
 #if defined(HAVE_WEBRTC_VIDEO)
 #include "talk/media/webrtc/webrtcvideocapturer.h"
 #endif
@@ -51,8 +49,6 @@
 #endif
 
 
-#endif
-
 namespace {
 
 bool StringMatchWithWildcard(
@@ -216,10 +212,6 @@ void DeviceManager::ClearVideoCaptureDeviceMaxFormat(
 }
 
 VideoCapturer* DeviceManager::CreateVideoCapturer(const Device& device) const {
-#if defined(IOS)
-  LOG_F(LS_ERROR) << " should never be called!";
-  return NULL;
-#else
   VideoCapturer* capturer = ConstructFakeVideoCapturer(device);
   if (capturer) {
     return capturer;
@@ -237,7 +229,6 @@ VideoCapturer* DeviceManager::CreateVideoCapturer(const Device& device) const {
     capturer->ConstrainSupportedFormats(video_format);
   }
   return capturer;
-#endif
 }
 
 VideoCapturer* DeviceManager::ConstructFakeVideoCapturer(

talk/media/webrtc/webrtcvideocapturer.cc

@@ -190,11 +190,15 @@ bool WebRtcVideoCapturer::Init(const Device& device) {
     }
   }
   factory_->DestroyDeviceInfo(info);
+// TODO(fischman): Remove the following check
+// when capabilities for iOS are implemented
+// https://code.google.com/p/webrtc/issues/detail?id=2968
+#if !defined(IOS)
   if (supported.empty()) {
     LOG(LS_ERROR) << "Failed to find usable formats for id: " << device.id;
     return false;
   }
-
+#endif
   module_ = factory_->Create(0, vcm_id);
   if (!module_) {
     LOG(LS_ERROR) << "Failed to create capturer for id: " << device.id;