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// Copyright (c) 2012 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_IPC_VIDEO_FRAME_CAPTURER_H_
#define REMOTING_HOST_IPC_VIDEO_FRAME_CAPTURER_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
namespace remoting {
class DesktopSessionProxy;
// Routes webrtc::DesktopCapturer calls though the IPC channel to the desktop
// session agent running in the desktop integration process.
class IpcVideoFrameCapturer : public webrtc::DesktopCapturer {
public:
explicit IpcVideoFrameCapturer(
scoped_refptr<DesktopSessionProxy> desktop_session_proxy);
~IpcVideoFrameCapturer() override;
// webrtc::DesktopCapturer interface.
void Start(Callback* callback) override;
void Capture(const webrtc::DesktopRegion& region) override;
// Called when a video |frame| has been captured.
void OnCaptureCompleted(scoped_ptr<webrtc::DesktopFrame> frame);
private:
// Points to the callback passed to webrtc::DesktopCapturer::Start().
webrtc::DesktopCapturer::Callback* callback_;
// Wraps the IPC channel to the desktop session agent.
scoped_refptr<DesktopSessionProxy> desktop_session_proxy_;
// Set to true when a frame is being captured.
bool capture_pending_;
// Used to cancel tasks pending on the capturer when it is stopped.
base::WeakPtrFactory<IpcVideoFrameCapturer> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(IpcVideoFrameCapturer);
};
} // namespace remoting
#endif // REMOTING_HOST_IPC_VIDEO_FRAME_CAPTURER_H_
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