iOS: Add interface for injecting custom shaders

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("../webrtc.gni")
 if (is_ios) {
@@ skipping 65 matching lines @@
         "objc/Framework/Classes/Common/RTCFileLogger.mm",
         "objc/Framework/Headers/WebRTC/RTCFileLogger.h",
       ]
     }
   }
 
   rtc_static_library("objc_video") {
     sources = [
       "objc/Framework/Classes/Video/RTCAVFoundationVideoCapturerInternal.h",
       "objc/Framework/Classes/Video/RTCAVFoundationVideoCapturerInternal.mm",
-      "objc/Framework/Classes/Video/RTCI420Shader.mm",
+      "objc/Framework/Classes/Video/RTCDefaultShader.h",
+      "objc/Framework/Classes/Video/RTCDefaultShader.mm",
       "objc/Framework/Classes/Video/RTCI420TextureCache.h",
       "objc/Framework/Classes/Video/RTCI420TextureCache.mm",
       "objc/Framework/Classes/Video/RTCOpenGLDefines.h",
-      "objc/Framework/Classes/Video/RTCShader+Private.h",
       "objc/Framework/Classes/Video/RTCShader.h",
       "objc/Framework/Classes/Video/RTCShader.mm",
       "objc/Framework/Classes/Video/avfoundationformatmapper.h",
       "objc/Framework/Classes/Video/avfoundationformatmapper.mm",
       "objc/Framework/Classes/Video/avfoundationvideocapturer.h",
       "objc/Framework/Classes/Video/avfoundationvideocapturer.mm",
       "objc/Framework/Classes/Video/objcvideotracksource.h",
       "objc/Framework/Classes/Video/objcvideotracksource.mm",
     ]
     libs = []
     if (is_ios) {
       sources += [
         "objc/Framework/Classes/Video/RTCNV12TextureCache.h",
         "objc/Framework/Classes/Video/RTCNV12TextureCache.m",
-        "objc/Framework/Classes/Video/RTCNativeNV12Shader.mm",
       ]
       libs += [
         "GLKit.framework",
         "OpenGLES.framework",
         "QuartzCore.framework",
       ]
     } else if (is_mac) {
       sources += []
 
       libs += [
@@ skipping 166 matching lines @@
       "objc/Framework/Headers/WebRTC/RTCRtpReceiver.h",
       "objc/Framework/Headers/WebRTC/RTCRtpSender.h",
       "objc/Framework/Headers/WebRTC/RTCSSLAdapter.h",
       "objc/Framework/Headers/WebRTC/RTCSessionDescription.h",
       "objc/Framework/Headers/WebRTC/RTCTracing.h",
       "objc/Framework/Headers/WebRTC/RTCVideoCapturer.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",
+      "objc/Framework/Headers/WebRTC/RTCVideoViewShading.h",
     ]
 
     libs = [ "AVFoundation.framework" ]
 
     if (is_ios) {
       libs += [ "CoreGraphics.framework" ]
     }
 
     configs += [ "..:common_objc" ]
 
@@ skipping 112 matching lines @@
         "objc/Framework/Headers/WebRTC/RTCRtpReceiver.h",
         "objc/Framework/Headers/WebRTC/RTCRtpSender.h",
         "objc/Framework/Headers/WebRTC/RTCSSLAdapter.h",
         "objc/Framework/Headers/WebRTC/RTCSessionDescription.h",
         "objc/Framework/Headers/WebRTC/RTCTracing.h",
         "objc/Framework/Headers/WebRTC/RTCVideoCapturer.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",
+        "objc/Framework/Headers/WebRTC/RTCVideoViewShading.h",
         "objc/Framework/Headers/WebRTC/UIDevice+RTCDevice.h",
         "objc/Framework/Headers/WebRTC/WebRTC.h",
       ]
 
       sources = common_objc_headers
       public_headers = common_objc_headers
 
       if (!build_with_chromium) {
         sources += [ "objc/Framework/Headers/WebRTC/RTCFileLogger.h" ]
         public_headers += [ "objc/Framework/Headers/WebRTC/RTCFileLogger.h" ]
@@ skipping 103 matching lines @@
       deps += [ "$rtc_libyuv_dir" ]
       public_deps = [
         "$rtc_libyuv_dir",
       ]
     } else {
       # Need to add a directory normally exported by libyuv.
       include_dirs = [ "$rtc_libyuv_dir/include" ]
     }
   }
 }