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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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33 class ScreenCapturerWinGdi : public ScreenCapturer { | 33 class ScreenCapturerWinGdi : public ScreenCapturer { |
34 public: | 34 public: |
35 explicit ScreenCapturerWinGdi(const DesktopCaptureOptions& options); | 35 explicit ScreenCapturerWinGdi(const DesktopCaptureOptions& options); |
36 ~ScreenCapturerWinGdi() override; | 36 ~ScreenCapturerWinGdi() override; |
37 | 37 |
38 // Overridden from ScreenCapturer: | 38 // Overridden from ScreenCapturer: |
39 void Start(Callback* callback) override; | 39 void Start(Callback* callback) override; |
40 void SetSharedMemoryFactory( | 40 void SetSharedMemoryFactory( |
41 std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override; | 41 std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override; |
42 void CaptureFrame() override; | 42 void CaptureFrame() override; |
43 bool GetScreenList(ScreenList* screens) override; | 43 bool GetSourceList(SourceList* sources) override; |
44 bool SelectScreen(ScreenId id) override; | 44 bool SelectSource(SourceId id) override; |
45 | 45 |
46 private: | 46 private: |
47 typedef HRESULT (WINAPI * DwmEnableCompositionFunc)(UINT); | 47 typedef HRESULT (WINAPI * DwmEnableCompositionFunc)(UINT); |
48 | 48 |
49 // Make sure that the device contexts match the screen configuration. | 49 // Make sure that the device contexts match the screen configuration. |
50 void PrepareCaptureResources(); | 50 void PrepareCaptureResources(); |
51 | 51 |
52 // Captures the current screen contents into the current buffer. Returns true | 52 // Captures the current screen contents into the current buffer. Returns true |
53 // if succeeded. | 53 // if succeeded. |
54 bool CaptureImage(); | 54 bool CaptureImage(); |
55 | 55 |
56 // Capture the current cursor shape. | 56 // Capture the current cursor shape. |
57 void CaptureCursor(); | 57 void CaptureCursor(); |
58 | 58 |
59 Callback* callback_ = nullptr; | 59 Callback* callback_ = nullptr; |
60 std::unique_ptr<SharedMemoryFactory> shared_memory_factory_; | 60 std::unique_ptr<SharedMemoryFactory> shared_memory_factory_; |
61 ScreenId current_screen_id_ = kFullDesktopScreenId; | 61 SourceId current_screen_id_ = kFullDesktopScreenId; |
62 std::wstring current_device_key_; | 62 std::wstring current_device_key_; |
63 | 63 |
64 ScopedThreadDesktop desktop_; | 64 ScopedThreadDesktop desktop_; |
65 | 65 |
66 // GDI resources used for screen capture. | 66 // GDI resources used for screen capture. |
67 HDC desktop_dc_ = NULL; | 67 HDC desktop_dc_ = NULL; |
68 HDC memory_dc_ = NULL; | 68 HDC memory_dc_ = NULL; |
69 | 69 |
70 // Queue of the frames buffers. | 70 // Queue of the frames buffers. |
71 ScreenCaptureFrameQueue<SharedDesktopFrame> queue_; | 71 ScreenCaptureFrameQueue<SharedDesktopFrame> queue_; |
72 | 72 |
73 // Rectangle describing the bounds of the desktop device context, relative to | 73 // Rectangle describing the bounds of the desktop device context, relative to |
74 // the primary display's top-left. | 74 // the primary display's top-left. |
75 DesktopRect desktop_dc_rect_; | 75 DesktopRect desktop_dc_rect_; |
76 | 76 |
77 HMODULE dwmapi_library_ = NULL; | 77 HMODULE dwmapi_library_ = NULL; |
78 DwmEnableCompositionFunc composition_func_ = nullptr; | 78 DwmEnableCompositionFunc composition_func_ = nullptr; |
79 | 79 |
80 RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerWinGdi); | 80 RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerWinGdi); |
81 }; | 81 }; |
82 | 82 |
83 } // namespace webrtc | 83 } // namespace webrtc |
84 | 84 |
85 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_ | 85 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_GDI_H_ |
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