cec4343fb4
Bug: webrtc:12338 Change-Id: I300ba78fc4423db7030e555d7e51d2cb2246e9a4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227162 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34678}
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_
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#define MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_
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#include <map>
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#include <memory>
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#include <vector>
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#include "modules/desktop_capture/desktop_capture_options.h"
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#include "modules/desktop_capture/desktop_capturer.h"
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#include "modules/desktop_capture/win/window_capture_utils.h"
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#include "modules/desktop_capture/window_finder_win.h"
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namespace webrtc {
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class WindowCapturerWinGdi : public DesktopCapturer {
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public:
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explicit WindowCapturerWinGdi(bool enumerate_current_process_windows);
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// Disallow copy and assign
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WindowCapturerWinGdi(const WindowCapturerWinGdi&) = delete;
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WindowCapturerWinGdi& operator=(const WindowCapturerWinGdi&) = delete;
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~WindowCapturerWinGdi() override;
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static std::unique_ptr<DesktopCapturer> CreateRawWindowCapturer(
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const DesktopCaptureOptions& options);
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// DesktopCapturer interface.
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void Start(Callback* callback) override;
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void CaptureFrame() override;
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bool GetSourceList(SourceList* sources) override;
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bool SelectSource(SourceId id) override;
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bool FocusOnSelectedSource() override;
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bool IsOccluded(const DesktopVector& pos) override;
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private:
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struct CaptureResults {
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Result result;
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std::unique_ptr<DesktopFrame> frame;
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};
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CaptureResults CaptureFrame(bool capture_owned_windows);
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Callback* callback_ = nullptr;
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// HWND and HDC for the currently selected window or nullptr if window is not
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// selected.
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HWND window_ = nullptr;
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DesktopSize previous_size_;
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WindowCaptureHelperWin window_capture_helper_;
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bool enumerate_current_process_windows_;
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// This map is used to avoid flickering for the case when SelectWindow() calls
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// are interleaved with Capture() calls.
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std::map<HWND, DesktopSize> window_size_map_;
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WindowFinderWin window_finder_;
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std::vector<HWND> owned_windows_;
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std::unique_ptr<WindowCapturerWinGdi> owned_window_capturer_;
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};
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_
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