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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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38 | 38 |
39 // SharedMemoryFactory that creates SharedMemory using the deprecated | 39 // SharedMemoryFactory that creates SharedMemory using the deprecated |
40 // DesktopCapturer::Callback::CreateSharedMemory(). | 40 // DesktopCapturer::Callback::CreateSharedMemory(). |
41 class CallbackSharedMemoryFactory : public SharedMemoryFactory { | 41 class CallbackSharedMemoryFactory : public SharedMemoryFactory { |
42 public: | 42 public: |
43 CallbackSharedMemoryFactory(DesktopCapturer::Callback* callback) | 43 CallbackSharedMemoryFactory(DesktopCapturer::Callback* callback) |
44 : callback_(callback) {} | 44 : callback_(callback) {} |
45 ~CallbackSharedMemoryFactory() override {} | 45 ~CallbackSharedMemoryFactory() override {} |
46 | 46 |
47 rtc::scoped_ptr<SharedMemory> CreateSharedMemory(size_t size) override { | 47 rtc::scoped_ptr<SharedMemory> CreateSharedMemory(size_t size) override { |
48 return rtc_make_scoped_ptr(callback_->CreateSharedMemory(size)); | 48 return rtc::scoped_ptr<SharedMemory>(callback_->CreateSharedMemory(size)); |
49 } | 49 } |
50 | 50 |
51 private: | 51 private: |
52 DesktopCapturer::Callback* callback_; | 52 DesktopCapturer::Callback* callback_; |
53 }; | 53 }; |
54 | 54 |
55 } // namespace | 55 } // namespace |
56 | 56 |
57 ScreenCapturerWinGdi::ScreenCapturerWinGdi(const DesktopCaptureOptions& options) | 57 ScreenCapturerWinGdi::ScreenCapturerWinGdi(const DesktopCaptureOptions& options) |
58 : callback_(NULL), | 58 : callback_(NULL), |
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83 // Restore Aero. | 83 // Restore Aero. |
84 if (composition_func_) | 84 if (composition_func_) |
85 (*composition_func_)(DWM_EC_ENABLECOMPOSITION); | 85 (*composition_func_)(DWM_EC_ENABLECOMPOSITION); |
86 | 86 |
87 if (dwmapi_library_) | 87 if (dwmapi_library_) |
88 FreeLibrary(dwmapi_library_); | 88 FreeLibrary(dwmapi_library_); |
89 } | 89 } |
90 | 90 |
91 void ScreenCapturerWinGdi::SetSharedMemoryFactory( | 91 void ScreenCapturerWinGdi::SetSharedMemoryFactory( |
92 rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory) { | 92 rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory) { |
93 shared_memory_factory_ = std::move(shared_memory_factory); | 93 shared_memory_factory_ = |
| 94 rtc::ScopedToUnique(std::move(shared_memory_factory)); |
94 } | 95 } |
95 | 96 |
96 void ScreenCapturerWinGdi::Capture(const DesktopRegion& region) { | 97 void ScreenCapturerWinGdi::Capture(const DesktopRegion& region) { |
97 TickTime capture_start_time = TickTime::Now(); | 98 TickTime capture_start_time = TickTime::Now(); |
98 | 99 |
99 queue_.MoveToNextFrame(); | 100 queue_.MoveToNextFrame(); |
100 | 101 |
101 // Request that the system not power-down the system, or the display hardware. | 102 // Request that the system not power-down the system, or the display hardware. |
102 if (!SetThreadExecutionState(ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED)) { | 103 if (!SetThreadExecutionState(ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED)) { |
103 if (!set_thread_execution_state_failed_) { | 104 if (!set_thread_execution_state_failed_) { |
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177 // Vote to disable Aero composited desktop effects while capturing. Windows | 178 // Vote to disable Aero composited desktop effects while capturing. Windows |
178 // will restore Aero automatically if the process exits. This has no effect | 179 // will restore Aero automatically if the process exits. This has no effect |
179 // under Windows 8 or higher. See crbug.com/124018. | 180 // under Windows 8 or higher. See crbug.com/124018. |
180 if (composition_func_) | 181 if (composition_func_) |
181 (*composition_func_)(DWM_EC_DISABLECOMPOSITION); | 182 (*composition_func_)(DWM_EC_DISABLECOMPOSITION); |
182 } | 183 } |
183 | 184 |
184 void ScreenCapturerWinGdi::PrepareCaptureResources() { | 185 void ScreenCapturerWinGdi::PrepareCaptureResources() { |
185 // Switch to the desktop receiving user input if different from the current | 186 // Switch to the desktop receiving user input if different from the current |
186 // one. | 187 // one. |
187 rtc::scoped_ptr<Desktop> input_desktop(Desktop::GetInputDesktop()); | 188 std::unique_ptr<Desktop> input_desktop(Desktop::GetInputDesktop()); |
188 if (input_desktop.get() != NULL && !desktop_.IsSame(*input_desktop)) { | 189 if (input_desktop.get() != NULL && !desktop_.IsSame(*input_desktop)) { |
189 // Release GDI resources otherwise SetThreadDesktop will fail. | 190 // Release GDI resources otherwise SetThreadDesktop will fail. |
190 if (desktop_dc_) { | 191 if (desktop_dc_) { |
191 ReleaseDC(NULL, desktop_dc_); | 192 ReleaseDC(NULL, desktop_dc_); |
192 desktop_dc_ = NULL; | 193 desktop_dc_ = NULL; |
193 } | 194 } |
194 | 195 |
195 if (memory_dc_) { | 196 if (memory_dc_) { |
196 DeleteDC(memory_dc_); | 197 DeleteDC(memory_dc_); |
197 memory_dc_ = NULL; | 198 memory_dc_ = NULL; |
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255 | 256 |
256 DesktopSize size = screen_rect.size(); | 257 DesktopSize size = screen_rect.size(); |
257 // If the current buffer is from an older generation then allocate a new one. | 258 // If the current buffer is from an older generation then allocate a new one. |
258 // Note that we can't reallocate other buffers at this point, since the caller | 259 // Note that we can't reallocate other buffers at this point, since the caller |
259 // may still be reading from them. | 260 // may still be reading from them. |
260 if (!queue_.current_frame() || | 261 if (!queue_.current_frame() || |
261 !queue_.current_frame()->size().equals(screen_rect.size())) { | 262 !queue_.current_frame()->size().equals(screen_rect.size())) { |
262 assert(desktop_dc_ != NULL); | 263 assert(desktop_dc_ != NULL); |
263 assert(memory_dc_ != NULL); | 264 assert(memory_dc_ != NULL); |
264 | 265 |
265 rtc::scoped_ptr<DesktopFrame> buffer(DesktopFrameWin::Create( | 266 std::unique_ptr<DesktopFrame> buffer(DesktopFrameWin::Create( |
266 size, shared_memory_factory_.get(), desktop_dc_)); | 267 size, shared_memory_factory_.get(), desktop_dc_)); |
267 if (!buffer.get()) | 268 if (!buffer.get()) |
268 return false; | 269 return false; |
269 queue_.ReplaceCurrentFrame(buffer.release()); | 270 queue_.ReplaceCurrentFrame(buffer.release()); |
270 } | 271 } |
271 | 272 |
272 // Select the target bitmap into the memory dc and copy the rect from desktop | 273 // Select the target bitmap into the memory dc and copy the rect from desktop |
273 // to memory. | 274 // to memory. |
274 DesktopFrameWin* current = static_cast<DesktopFrameWin*>( | 275 DesktopFrameWin* current = static_cast<DesktopFrameWin*>( |
275 queue_.current_frame()->GetUnderlyingFrame()); | 276 queue_.current_frame()->GetUnderlyingFrame()); |
276 HGDIOBJ previous_object = SelectObject(memory_dc_, current->bitmap()); | 277 HGDIOBJ previous_object = SelectObject(memory_dc_, current->bitmap()); |
277 if (previous_object != NULL) { | 278 if (previous_object != NULL) { |
278 BitBlt(memory_dc_, | 279 BitBlt(memory_dc_, |
279 0, 0, screen_rect.width(), screen_rect.height(), | 280 0, 0, screen_rect.width(), screen_rect.height(), |
280 desktop_dc_, | 281 desktop_dc_, |
281 screen_rect.left(), screen_rect.top(), | 282 screen_rect.left(), screen_rect.top(), |
282 SRCCOPY | CAPTUREBLT); | 283 SRCCOPY | CAPTUREBLT); |
283 | 284 |
284 // Select back the previously selected object to that the device contect | 285 // Select back the previously selected object to that the device contect |
285 // could be destroyed independently of the bitmap if needed. | 286 // could be destroyed independently of the bitmap if needed. |
286 SelectObject(memory_dc_, previous_object); | 287 SelectObject(memory_dc_, previous_object); |
287 } | 288 } |
288 return true; | 289 return true; |
289 } | 290 } |
290 | 291 |
291 } // namespace webrtc | 292 } // namespace webrtc |
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