From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../desktop_capture/win/screen_capturer_win_gdi.h | 83 ++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h (limited to 'third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h') diff --git a/third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h b/third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h new file mode 100644 index 0000000000..7c3977ed42 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2014 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_SCREEN_CAPTURER_WIN_GDI_H_ +#define MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_ + +#include + +#include + +#include "modules/desktop_capture/desktop_capturer.h" +#include "modules/desktop_capture/screen_capture_frame_queue.h" +#include "modules/desktop_capture/shared_desktop_frame.h" +#include "modules/desktop_capture/win/display_configuration_monitor.h" +#include "modules/desktop_capture/win/scoped_thread_desktop.h" + +namespace webrtc { + +// ScreenCapturerWinGdi captures 32bit RGB using GDI. +// +// ScreenCapturerWinGdi is double-buffered as required by ScreenCapturer. +// This class does not detect DesktopFrame::updated_region(), the field is +// always set to the entire frame rectangle. ScreenCapturerDifferWrapper should +// be used if that functionality is necessary. +class ScreenCapturerWinGdi : public DesktopCapturer { + public: + explicit ScreenCapturerWinGdi(const DesktopCaptureOptions& options); + ~ScreenCapturerWinGdi() override; + + ScreenCapturerWinGdi(const ScreenCapturerWinGdi&) = delete; + ScreenCapturerWinGdi& operator=(const ScreenCapturerWinGdi&) = delete; + + // Overridden from ScreenCapturer: + void Start(Callback* callback) override; + void SetSharedMemoryFactory( + std::unique_ptr shared_memory_factory) override; + void CaptureFrame() override; + bool GetSourceList(SourceList* sources) override; + bool SelectSource(SourceId id) override; + + private: + typedef HRESULT(WINAPI* DwmEnableCompositionFunc)(UINT); + + // Make sure that the device contexts match the screen configuration. + void PrepareCaptureResources(); + + // Captures the current screen contents into the current buffer. Returns true + // if succeeded. + bool CaptureImage(); + + // Capture the current cursor shape. + void CaptureCursor(); + + Callback* callback_ = nullptr; + std::unique_ptr shared_memory_factory_; + SourceId current_screen_id_ = kFullDesktopScreenId; + std::wstring current_device_key_; + + ScopedThreadDesktop desktop_; + + // GDI resources used for screen capture. + HDC desktop_dc_ = NULL; + HDC memory_dc_ = NULL; + + // Queue of the frames buffers. + ScreenCaptureFrameQueue queue_; + + DisplayConfigurationMonitor display_configuration_monitor_; + + HMODULE dwmapi_library_ = NULL; + DwmEnableCompositionFunc composition_func_ = nullptr; +}; + +} // namespace webrtc + +#endif // MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_ -- cgit v1.2.3