Files
platform-external-webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h
Mirko Bonadei 92ea95e34a Fixing WebRTC after moving from src/webrtc to src/
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
2017-09-15 05:02:56 +00:00

84 lines
2.8 KiB
C++

/*
* 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 <memory>
#include <windows.h>
#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"
#include "rtc_base/constructormagic.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;
// Overridden from ScreenCapturer:
void Start(Callback* callback) override;
void SetSharedMemoryFactory(
std::unique_ptr<SharedMemoryFactory> 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<SharedMemoryFactory> 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<SharedDesktopFrame> queue_;
DisplayConfigurationMonitor display_configuration_monitor_;
HMODULE dwmapi_library_ = NULL;
DwmEnableCompositionFunc composition_func_ = nullptr;
RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerWinGdi);
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_