Reland of Injectable Obj-C video codecs

webrtc/sdk/BUILD.gn

Index: webrtc/sdk/BUILD.gn
diff --git a/webrtc/sdk/BUILD.gn b/webrtc/sdk/BUILD.gn
index e691a8e5bb41a1ad4780a40f18e3992a67a8b19a..7c72021aae95d2cd87c1bc0216a2aa3585bf2032 100644
--- a/webrtc/sdk/BUILD.gn
+++ b/webrtc/sdk/BUILD.gn
@@ -310,6 +310,7 @@ if (is_ios || is_mac) {
       sources = [
         "objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCPeerConnectionFactory.mm",
+        "objc/Framework/Classes/PeerConnection/RTCVideoCodecH264.mm",
       ]
 
       public_configs = [ ":objc_common_config" ]
@@ -326,11 +327,15 @@ if (is_ios || is_mac) {
         ":objc_peerconnectionfactory_base",
         ":objc_video",
         ":objc_videotoolbox",
+        ":objc_videotracksource",
         "../api:video_frame_api",
+        "../api/video_codecs:video_codecs_api",
+        "../media:rtc_audio_video",
         "../media:rtc_media_base",
         "../pc:create_pc_factory",
         "../pc:peerconnection",
         "../rtc_base:rtc_base",
+        "../system_wrappers:field_trial_api",
       ]
     }
 
@@ -377,6 +382,7 @@ if (is_ios || is_mac) {
         "objc/Framework/Classes/PeerConnection/RTCDataChannel.mm",
         "objc/Framework/Classes/PeerConnection/RTCDataChannelConfiguration+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCDataChannelConfiguration.mm",
+        "objc/Framework/Classes/PeerConnection/RTCEncodedImage.mm",
         "objc/Framework/Classes/PeerConnection/RTCIceCandidate+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCIceCandidate.mm",
         "objc/Framework/Classes/PeerConnection/RTCIceServer+Private.h",
@@ -404,6 +410,7 @@ if (is_ios || is_mac) {
         "objc/Framework/Classes/PeerConnection/RTCRtpCodecParameters.mm",
         "objc/Framework/Classes/PeerConnection/RTCRtpEncodingParameters+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCRtpEncodingParameters.mm",
+        "objc/Framework/Classes/PeerConnection/RTCRtpFragmentationHeader.mm",
         "objc/Framework/Classes/PeerConnection/RTCRtpParameters+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCRtpParameters.mm",
         "objc/Framework/Classes/PeerConnection/RTCRtpReceiver+Private.h",
@@ -415,6 +422,9 @@ if (is_ios || is_mac) {
         "objc/Framework/Classes/PeerConnection/RTCSessionDescription.mm",
         "objc/Framework/Classes/PeerConnection/RTCTracing.mm",
         "objc/Framework/Classes/PeerConnection/RTCVideoCapturer.m",
+        "objc/Framework/Classes/PeerConnection/RTCVideoCodec+Private.h",
+        "objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm",
+        "objc/Framework/Classes/PeerConnection/RTCVideoEncoderSettings.mm",
         "objc/Framework/Classes/PeerConnection/RTCVideoFrame.mm",
         "objc/Framework/Classes/PeerConnection/RTCVideoRendererAdapter+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCVideoRendererAdapter.h",
@@ -475,6 +485,7 @@ if (is_ios || is_mac) {
         "../api:video_frame_api",
         "../common_video",
         "../media:rtc_media_base",
+        "../modules:module_api",
         "../pc:peerconnection",
         "../rtc_base:rtc_base",
       ]
@@ -501,6 +512,8 @@ if (is_ios || is_mac) {
           "objc/Framework/UnitTests/RTCSessionDescriptionTest.mm",
           "objc/Framework/UnitTests/RTCTracingTest.mm",
           "objc/Framework/UnitTests/avformatmappertests.mm",
+          "objc/Framework/UnitTests/objc_video_decoder_factory_tests.mm",
+          "objc/Framework/UnitTests/objc_video_encoder_factory_tests.mm",
         ]
         if (is_ios &&
             !(use_ios_simulator &&
@@ -518,7 +531,11 @@ if (is_ios || is_mac) {
         defines = [ "GTEST_RELATIVE_PATH" ]
         deps = [
           ":objc_peerconnection",
+          ":objc_peerconnectionfactory",
+          ":objc_videotoolbox",
+          ":objc_videotracksource",
           "..//system_wrappers:system_wrappers_default",
+          "../modules:module_api",
           "../rtc_base:rtc_base_tests_utils",
           "../system_wrappers:system_wrappers_default",
           "//third_party/ocmock",
@@ -553,6 +570,8 @@ if (is_ios || is_mac) {
 
         common_objc_headers = [
           "objc/Framework/Headers/WebRTC/RTCAudioSession.h",
+          "objc/Framework/Headers/WebRTC/RTCVideoCodec.h",
+          "objc/Framework/Headers/WebRTC/RTCVideoCodecFactory.h",
           "objc/Framework/Headers/WebRTC/RTCAudioSessionConfiguration.h",
           "objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h",
           "objc/Framework/Headers/WebRTC/RTCAudioSource.h",
@@ -595,6 +614,7 @@ if (is_ios || is_mac) {
           "objc/Framework/Headers/WebRTC/RTCVideoTrack.h",
           "objc/Framework/Headers/WebRTC/RTCVideoViewShading.h",
           "objc/Framework/Headers/WebRTC/UIDevice+RTCDevice.h",
+          "objc/Framework/Headers/WebRTC/RTCVideoCodecH264.h",
           "objc/Framework/Headers/WebRTC/WebRTC.h",
         ]
         if (rtc_use_metal_rendering) {
@@ -681,8 +701,10 @@ if (is_ios || is_mac) {
         "objc/Framework/Classes/VideoToolbox/encoder.mm",
         "objc/Framework/Classes/VideoToolbox/nalu_rewriter.cc",
         "objc/Framework/Classes/VideoToolbox/nalu_rewriter.h",
-        "objc/Framework/Classes/VideoToolbox/videocodecfactory.h",
-        "objc/Framework/Classes/VideoToolbox/videocodecfactory.mm",
+        "objc/Framework/Classes/VideoToolbox/objc_video_decoder_factory.h",
+        "objc/Framework/Classes/VideoToolbox/objc_video_decoder_factory.mm",
+        "objc/Framework/Classes/VideoToolbox/objc_video_encoder_factory.h",
+        "objc/Framework/Classes/VideoToolbox/objc_video_encoder_factory.mm",
         "objc/Framework/Headers/WebRTC/RTCVideoFrameBuffer.h",
       ]
 
@@ -692,6 +714,7 @@ if (is_ios || is_mac) {
         ":objc_common",
         ":objc_video",
         ":objc_videotracksource",
+        "../api/video_codecs:video_codecs_api",
         "../common_video",
         "../media:rtc_media",
         "../media:rtc_media_base",