Implement H264 codec in Objective-C classes.

webrtc/sdk/BUILD.gn

Index: webrtc/sdk/BUILD.gn
diff --git a/webrtc/sdk/BUILD.gn b/webrtc/sdk/BUILD.gn
index 6cff621d91ca25b0347acd474f9bad2b3c2e5ecd..d286c9e510054dca8d753705f5bb9ad73e1a2494 100644
--- a/webrtc/sdk/BUILD.gn
+++ b/webrtc/sdk/BUILD.gn
@@ -114,12 +114,18 @@ if (is_ios || is_mac) {
     rtc_static_library("objc_videotracksource") {
       sources = [
         "objc/Framework/Classes/Video/RTCCVPixelBuffer.mm",
+        "objc/Framework/Classes/Video/RTCEncodedImage.mm",
         "objc/Framework/Classes/Video/RTCI420Buffer+Private.h",
         "objc/Framework/Classes/Video/RTCI420Buffer.mm",
+        "objc/Framework/Classes/Video/RTCRtpFragmentationHeader.mm",
+        "objc/Framework/Classes/Video/RTCVideoCodec+Private.h",
+        "objc/Framework/Classes/Video/RTCVideoCodec.mm",
+        "objc/Framework/Classes/Video/RTCVideoFrame.mm",
         "objc/Framework/Classes/Video/objc_frame_buffer.h",
         "objc/Framework/Classes/Video/objc_frame_buffer.mm",
         "objc/Framework/Classes/Video/objcvideotracksource.h",
         "objc/Framework/Classes/Video/objcvideotracksource.mm",
+        "objc/Framework/Headers/WebRTC/RTCVideoFrame.h",
         "objc/Framework/Headers/WebRTC/RTCVideoFrameBuffer.h",
       ]
 
@@ -130,6 +136,7 @@ if (is_ios || is_mac) {
         "../base:rtc_base",
         "../common_video",
         "../media:rtc_media_base",
+        "../modules:module_api",
       ]
 
       configs += [ "..:common_objc" ]
@@ -310,7 +317,6 @@ 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",
         "objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.h",
         "objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.mm",
         "objc/Framework/Classes/PeerConnection/objc_video_encoder_factory.h",
@@ -387,7 +393,6 @@ 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",
@@ -415,7 +420,6 @@ 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",
@@ -427,9 +431,6 @@ 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/RTCVideoFrame.mm",
         "objc/Framework/Classes/PeerConnection/RTCVideoRendererAdapter+Private.h",
         "objc/Framework/Classes/PeerConnection/RTCVideoRendererAdapter.h",
         "objc/Framework/Classes/PeerConnection/RTCVideoRendererAdapter.mm",
@@ -464,7 +465,6 @@ if (is_ios || is_mac) {
         "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/RTCVideoFrameBuffer.h",
         "objc/Framework/Headers/WebRTC/RTCVideoRenderer.h",
         "objc/Framework/Headers/WebRTC/RTCVideoSource.h",
@@ -698,14 +698,14 @@ if (is_ios || is_mac) {
 
     rtc_static_library("objc_videotoolbox") {
       sources = [
-        "objc/Framework/Classes/VideoToolbox/decoder.h",
-        "objc/Framework/Classes/VideoToolbox/decoder.mm",
-        "objc/Framework/Classes/VideoToolbox/encoder.h",
-        "objc/Framework/Classes/VideoToolbox/encoder.mm",
+        "objc/Framework/Classes/Video/RTCVideoCodec+Private.h",
+        "objc/Framework/Classes/VideoToolbox/RTCVideoCodecH264.mm",
+        "objc/Framework/Classes/VideoToolbox/RTCVideoDecoderH264.mm",
+        "objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm",
+        "objc/Framework/Classes/VideoToolbox/helpers.cc",
+        "objc/Framework/Classes/VideoToolbox/helpers.h",
         "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/Headers/WebRTC/RTCVideoFrameBuffer.h",
       ]