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Diffstat (limited to 'third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h')
-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h b/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h new file mode 100644 index 0000000000..bf94dfe192 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/win/window_capturer_win_gdi.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2020 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_ +#define MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_ + +#include <map> +#include <memory> +#include <vector> + +#include "modules/desktop_capture/desktop_capture_options.h" +#include "modules/desktop_capture/desktop_capturer.h" +#include "modules/desktop_capture/win/window_capture_utils.h" +#include "modules/desktop_capture/window_finder_win.h" + +namespace webrtc { + +class WindowCapturerWinGdi : public DesktopCapturer { + public: + explicit WindowCapturerWinGdi(bool enumerate_current_process_windows); + + // Disallow copy and assign + WindowCapturerWinGdi(const WindowCapturerWinGdi&) = delete; + WindowCapturerWinGdi& operator=(const WindowCapturerWinGdi&) = delete; + + ~WindowCapturerWinGdi() override; + + static std::unique_ptr<DesktopCapturer> CreateRawWindowCapturer( + const DesktopCaptureOptions& options); + + // DesktopCapturer interface. + void Start(Callback* callback) override; + void CaptureFrame() override; + bool GetSourceList(SourceList* sources) override; + bool SelectSource(SourceId id) override; + bool FocusOnSelectedSource() override; + bool IsOccluded(const DesktopVector& pos) override; + + private: + struct CaptureResults { + Result result; + std::unique_ptr<DesktopFrame> frame; + }; + + CaptureResults CaptureFrame(bool capture_owned_windows); + + Callback* callback_ = nullptr; + + // HWND and HDC for the currently selected window or nullptr if window is not + // selected. + HWND window_ = nullptr; + + DesktopSize previous_size_; + + WindowCaptureHelperWin window_capture_helper_; + + bool enumerate_current_process_windows_; + + // This map is used to avoid flickering for the case when SelectWindow() calls + // are interleaved with Capture() calls. + std::map<HWND, DesktopSize> window_size_map_; + + WindowFinderWin window_finder_; + + std::vector<HWND> owned_windows_; + std::unique_ptr<WindowCapturerWinGdi> owned_window_capturer_; +}; + +} // namespace webrtc + +#endif // MODULES_DESKTOP_CAPTURE_WIN_WINDOW_CAPTURER_WIN_GDI_H_ |