| // 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/macros.h" |
| #include "base/memory/ref_counted.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. |
| // GetSourceList() and SelectSource() functions are not implemented, they always |
| // return false. |
| 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 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(). |
| 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_ |