[Remoting Host] Supporting WebRTC VP9 streaming

remoting/protocol/webrtc_video_stream.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_PROTOCOL_WEBRTC_VIDEO_STREAM_H_
 #define REMOTING_PROTOCOL_WEBRTC_VIDEO_STREAM_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_checker.h"
 #include "remoting/codec/webrtc_video_encoder.h"
 #include "remoting/protocol/host_video_stats_dispatcher.h"
 #include "remoting/protocol/video_stream.h"
+#include "third_party/webrtc/common_types.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
 
 namespace webrtc {
 class MediaStreamInterface;
 class PeerConnectionInterface;
 }  // namespace webrtc
 
 namespace remoting {
 namespace protocol {
 
@@ skipping 36 matching lines @@
   void CaptureNextFrame();
 
   // Task running on the encoder thread to encode the |frame|.
   static EncodedFrameWithStats EncodeFrame(
       WebrtcVideoEncoder* encoder,
       std::unique_ptr<webrtc::DesktopFrame> frame,
       WebrtcVideoEncoder::FrameParams params,
       std::unique_ptr<WebrtcVideoStream::FrameStats> stats);
   void OnFrameEncoded(EncodedFrameWithStats frame);
 
+  void OnEncoderCreated(webrtc::VideoCodecType codec_type);
+
   // Capturer used to capture the screen.
   std::unique_ptr<webrtc::DesktopCapturer> capturer_;
   // Used to send across encoded frames.
   WebrtcTransport* webrtc_transport_ = nullptr;
   // Task runner used to run |encoder_|.
   scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_;
   // Used to encode captured frames. Always accessed on the encode thread.
   std::unique_ptr<WebrtcVideoEncoder> encoder_;
 
   scoped_refptr<InputEventTimestampsSource> event_timestamps_source_;
@@ skipping 16 matching lines @@
 
   base::WeakPtrFactory<WebrtcVideoStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebrtcVideoStream);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_WEBRTC_VIDEO_STREAM_H_