Move and rename host/cast_video_capture_adapter to protocol/webrtc_video_capture_adapter

remoting/host/cast_video_capturer_adapter.h

-// Copyright 2014 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_HOST_CAST_VIDEO_CAPTURER_ADAPTER_H_
-#define REMOTING_HOST_CAST_VIDEO_CAPTURER_ADAPTER_H_
-
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "base/timer/timer.h"
-#include "third_party/libjingle/source/talk/media/base/videocapturer.h"
-#include "third_party/webrtc/modules/desktop_capture/screen_capturer.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace webrtc {
-class DesktopFrame;
-}  // namespace webrtc
-
-namespace remoting {
-
-// This class controls the capture of video frames from the desktop and is used
-// to construct a VideoSource as part of the webrtc PeerConnection API.
-// CastVideoCapturerAdapter acts as an adapter between webrtc::DesktopCapturer
-// and the cricket::VideoCapturer interface, which it implements. It is used
-// to construct a cricket::VideoSource for a PeerConnection, to capture frames
-// of the desktop. As indicated in the base implementation, Start() and Stop()
-// should be called on the same thread.
-class CastVideoCapturerAdapter : public cricket::VideoCapturer,
-                                 public webrtc::DesktopCapturer::Callback {
- public:
-  explicit CastVideoCapturerAdapter(
-      scoped_ptr<webrtc::DesktopCapturer> capturer);
-
-  ~CastVideoCapturerAdapter() override;
-
-  // webrtc::DesktopCapturer::Callback implementation.
-  webrtc::SharedMemory* CreateSharedMemory(size_t size) override;
-  // Converts |frame| to a cricket::CapturedFrame and emits that via
-  // SignalFrameCaptured for the base::VideoCapturer implementation to process.
-  void OnCaptureCompleted(webrtc::DesktopFrame* frame) override;
-
-  // cricket::VideoCapturer implementation.
-  bool GetBestCaptureFormat(const cricket::VideoFormat& desired,
-                            cricket::VideoFormat* best_format) override;
-  cricket::CaptureState Start(
-      const cricket::VideoFormat& capture_format) override;
-  bool Pause(bool pause) override;
-  void Stop() override;
-  bool IsRunning() override;
-  bool IsScreencast() const override;
-  bool GetPreferredFourccs(std::vector<uint32>* fourccs) override;
-
- private:
-  // Kicks off the next frame capture using |desktop_capturer_|.
-  // The captured frame will be passed to OnCaptureCompleted().
-  void CaptureNextFrame();
-
-  // |thread_checker_| is bound to the peer connection worker thread.
-  base::ThreadChecker thread_checker_;
-
-  // Used to capture frames.
-  scoped_ptr<webrtc::DesktopCapturer> desktop_capturer_;
-
-  // Used to schedule periodic screen captures.
-  scoped_ptr<base::RepeatingTimer> capture_timer_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastVideoCapturerAdapter);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_CAST_VIDEO_CAPTURER_ADAPTER_H_
-