Add AVFoundation video capture support to Mac objc SDK (based on iOS)

webrtc/sdk/BUILD.gn

 # 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("../build/webrtc.gni")
 import("//build_overrides/webrtc.gni")
@@ skipping 51 matching lines @@
     if (!build_with_chromium) {
       sources += [
         "objc/Framework/Classes/RTCFileLogger.mm",
         "objc/Framework/Headers/WebRTC/RTCFileLogger.h",
       ]
     }
   }
 
   source_set("rtc_sdk_peerconnection_objc") {
     sources = [
+      "objc/Framework/Classes/RTCAVFoundationVideoSource+Private.h",
+      "objc/Framework/Classes/RTCAVFoundationVideoSource.mm",
       "objc/Framework/Classes/RTCAudioTrack+Private.h",
       "objc/Framework/Classes/RTCAudioTrack.mm",
       "objc/Framework/Classes/RTCConfiguration+Private.h",
       "objc/Framework/Classes/RTCConfiguration.mm",
       "objc/Framework/Classes/RTCDataChannel+Private.h",
       "objc/Framework/Classes/RTCDataChannel.mm",
       "objc/Framework/Classes/RTCDataChannelConfiguration+Private.h",
       "objc/Framework/Classes/RTCDataChannelConfiguration.mm",
       "objc/Framework/Classes/RTCIceCandidate+Private.h",
       "objc/Framework/Classes/RTCIceCandidate.mm",
@@ skipping 29 matching lines @@
       "objc/Framework/Classes/RTCStatsReport.mm",
       "objc/Framework/Classes/RTCVideoFrame+Private.h",
       "objc/Framework/Classes/RTCVideoFrame.mm",
       "objc/Framework/Classes/RTCVideoRendererAdapter+Private.h",
       "objc/Framework/Classes/RTCVideoRendererAdapter.h",
       "objc/Framework/Classes/RTCVideoRendererAdapter.mm",
       "objc/Framework/Classes/RTCVideoSource+Private.h",
       "objc/Framework/Classes/RTCVideoSource.mm",
       "objc/Framework/Classes/RTCVideoTrack+Private.h",
       "objc/Framework/Classes/RTCVideoTrack.mm",
+      "objc/Framework/Classes/avfoundationvideocapturer.h",
+      "objc/Framework/Classes/avfoundationvideocapturer.mm",
+      "objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h",
       "objc/Framework/Headers/WebRTC/RTCAudioTrack.h",
       "objc/Framework/Headers/WebRTC/RTCConfiguration.h",
       "objc/Framework/Headers/WebRTC/RTCDataChannel.h",
       "objc/Framework/Headers/WebRTC/RTCDataChannelConfiguration.h",
       "objc/Framework/Headers/WebRTC/RTCIceCandidate.h",
       "objc/Framework/Headers/WebRTC/RTCIceServer.h",
       "objc/Framework/Headers/WebRTC/RTCMediaConstraints.h",
       "objc/Framework/Headers/WebRTC/RTCMediaStream.h",
       "objc/Framework/Headers/WebRTC/RTCMediaStreamTrack.h",
       "objc/Framework/Headers/WebRTC/RTCPeerConnection.h",
       "objc/Framework/Headers/WebRTC/RTCPeerConnectionFactory.h",
       "objc/Framework/Headers/WebRTC/RTCRtpCodecParameters.h",
       "objc/Framework/Headers/WebRTC/RTCRtpEncodingParameters.h",
       "objc/Framework/Headers/WebRTC/RTCRtpParameters.h",
       "objc/Framework/Headers/WebRTC/RTCRtpReceiver.h",
       "objc/Framework/Headers/WebRTC/RTCRtpSender.h",
       "objc/Framework/Headers/WebRTC/RTCSessionDescription.h",
       "objc/Framework/Headers/WebRTC/RTCStatsReport.h",
       "objc/Framework/Headers/WebRTC/RTCVideoFrame.h",
       "objc/Framework/Headers/WebRTC/RTCVideoRenderer.h",
       "objc/Framework/Headers/WebRTC/RTCVideoSource.h",
       "objc/Framework/Headers/WebRTC/RTCVideoTrack.h",
     ]
 
     if (is_ios) {
       sources += [
-        "objc/Framework/Classes/RTCAVFoundationVideoSource+Private.h",
-        "objc/Framework/Classes/RTCAVFoundationVideoSource.mm",
         "objc/Framework/Classes/RTCEAGLVideoView.m",
-        "objc/Framework/Classes/avfoundationvideocapturer.h",
-        "objc/Framework/Classes/avfoundationvideocapturer.mm",
-        "objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h",
         "objc/Framework/Headers/WebRTC/RTCEAGLVideoView.h",
       ]
       libs = [
         "CoreGraphics.framework",
         "GLKit.framework",
         "OpenGLES.framework",
         "QuartzCore.framework",
       ]
     }
 
     if (is_mac) {
       sources += [
         "objc/Framework/Classes/RTCNSGLVideoView.m",
         "objc/Framework/Headers/WebRTC/RTCNSGLVideoView.h",
       ]
-      libs = [ "OpenGL.framework" ]
+      libs = [
+        "CoreMedia.framework",
+        "OpenGL.framework",
+      ]
     }
 
     configs += [
       "..:common_objc",
       "//build/config/compiler:enable_arc",
     ]
 
     public_configs = [ ":rtc_sdk_common_objc_config" ]
 
     if (is_clang) {
       # Suppress warnings from the Chromium Clang plugins.
       # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
       configs -= [ "//build/config/clang:find_bad_constructs" ]
     }
 
-    libs += [ "stdc++" ]
+    libs += [
+      "AVFoundation.framework",
+      "stdc++",
+    ]
 
     deps = [
       ":rtc_sdk_common_objc",
       "../api:libjingle_peerconnection",
     ]
   }
 
   # TODO(tkchin): Add the rtc_sdk_framework_objc target.
 }