Add local capturer on mac

webrtc/examples/objc/AppRTCDemo/ARDAppClient.m

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #import "ARDAppClient+Internal.h"
 
-#if defined(WEBRTC_IOS)
 #import "WebRTC/RTCAVFoundationVideoSource.h"
-#endif
 #import "WebRTC/RTCAudioTrack.h"
 #import "WebRTC/RTCConfiguration.h"
 #import "WebRTC/RTCFileLogger.h"
 #import "WebRTC/RTCIceServer.h"
 #import "WebRTC/RTCLogging.h"
 #import "WebRTC/RTCMediaConstraints.h"
 #import "WebRTC/RTCMediaStream.h"
 #import "WebRTC/RTCPeerConnectionFactory.h"
 #import "WebRTC/RTCRtpSender.h"
 #import "WebRTC/RTCTracing.h"
@@ skipping 20 matching lines @@
 static NSInteger const kARDAppClientErrorUnknown = -1;
 static NSInteger const kARDAppClientErrorRoomFull = -2;
 static NSInteger const kARDAppClientErrorCreateSDP = -3;
 static NSInteger const kARDAppClientErrorSetSDP = -4;
 static NSInteger const kARDAppClientErrorInvalidClient = -5;
 static NSInteger const kARDAppClientErrorInvalidRoom = -6;
 static NSString * const kARDMediaStreamId = @"ARDAMS";
 static NSString * const kARDAudioTrackId = @"ARDAMSa0";
 static NSString * const kARDVideoTrackId = @"ARDAMSv0";
 
-// TODO(tkchin): Remove guard once rtc_sdk_common_objc compiles on Mac.
-#if defined(WEBRTC_IOS)
 // TODO(tkchin): Add these as UI options.
 static BOOL const kARDAppClientEnableTracing = NO;
 static BOOL const kARDAppClientEnableRtcEventLog = YES;
 static int64_t const kARDAppClientRtcEventLogMaxSizeInBytes = 5e6;  // 5 MB.
-#endif
 
 // We need a proxy to NSTimer because it causes a strong retain cycle. When
 // using the proxy, |invalidate| must be called before it properly deallocs.
 @interface ARDTimerProxy : NSObject
 
 - (instancetype)initWithInterval:(NSTimeInterval)interval
                          repeats:(BOOL)repeats
                     timerHandler:(void (^)(void))timerHandler;
 - (void)invalidate;
 
@@ skipping 622 matching lines @@
   RTCAudioTrack *track = [_factory audioTrackWithTrackId:kARDAudioTrackId];
   sender.track = track;
   return sender;
 }
 
 - (RTCVideoTrack *)createLocalVideoTrack {
   RTCVideoTrack* localVideoTrack = nil;
   // The iOS simulator doesn't provide any sort of camera capture
   // support or emulation (http://goo.gl/rHAnC1) so don't bother
   // trying to open a local stream.
-  // TODO(tkchin): local video capture for OSX. See
-  // https://code.google.com/p/webrtc/issues/detail?id=3417.
-#if !TARGET_IPHONE_SIMULATOR && TARGET_OS_IPHONE
+#if !TARGET_IPHONE_SIMULATOR
   if (!_isAudioOnly) {
     RTCMediaConstraints *mediaConstraints =
         [self defaultMediaStreamConstraints];
     RTCAVFoundationVideoSource *source =
         [_factory avFoundationVideoSourceWithConstraints:mediaConstraints];
     localVideoTrack =
         [_factory videoTrackWithSource:source
                                trackId:kARDVideoTrackId];
   }
 #endif
@@ skipping 120 matching lines @@
                                          code:kARDAppClientErrorInvalidRoom
                                      userInfo:@{
         NSLocalizedDescriptionKey: @"Invalid room.",
       }];
       break;
   }
   return error;
 }
 
 @end