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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 <memory>
- #include "base/memory/raw_ptr.h"
- #include "base/memory/ref_counted.h"
- #include "base/memory/weak_ptr.h"
- #include "remoting/protocol/desktop_capturer.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.
- // GetSourceList() and SelectSource() functions are not implemented, they always
- // return false.
- class IpcVideoFrameCapturer : public DesktopCapturer {
- public:
- explicit IpcVideoFrameCapturer(
- scoped_refptr<DesktopSessionProxy> desktop_session_proxy);
- IpcVideoFrameCapturer(const IpcVideoFrameCapturer&) = delete;
- IpcVideoFrameCapturer& operator=(const IpcVideoFrameCapturer&) = delete;
- ~IpcVideoFrameCapturer() override;
- // webrtc::DesktopCapturer interface.
- void Start(Callback* callback) override;
- void CaptureFrame() override;
- bool GetSourceList(SourceList* sources) override;
- bool SelectSource(SourceId id) override;
- // Called when a video |frame| has been captured.
- void OnCaptureResult(webrtc::DesktopCapturer::Result result,
- std::unique_ptr<webrtc::DesktopFrame> frame);
- private:
- // Points to the callback passed to webrtc::DesktopCapturer::Start().
- raw_ptr<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_{this};
- };
- } // namespace remoting
- #endif // REMOTING_HOST_IPC_VIDEO_FRAME_CAPTURER_H_
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