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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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 |
11 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_SCREEN_CAPTURER_DIFFER_WRAPPER_H_ | 11 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_SCREEN_CAPTURER_DIFFER_WRAPPER_H_ |
12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_SCREEN_CAPTURER_DIFFER_WRAPPER_H_ | 12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_SCREEN_CAPTURER_DIFFER_WRAPPER_H_ |
13 | 13 |
14 #include <memory> | 14 #include <memory> |
15 | 15 |
16 #include "webrtc/modules/desktop_capture/screen_capturer.h" | 16 #include "webrtc/modules/desktop_capture/screen_capturer.h" |
17 #include "webrtc/modules/desktop_capture/shared_desktop_frame.h" | 17 #include "webrtc/modules/desktop_capture/shared_desktop_frame.h" |
18 | 18 |
19 namespace webrtc { | 19 namespace webrtc { |
20 | 20 |
| 21 // TODO(zijiehe): Remove, use DesktopCapturerDifferWrapper. |
21 // ScreenCapturer wrapper that calculates updated_region() by comparing frames | 22 // ScreenCapturer wrapper that calculates updated_region() by comparing frames |
22 // content. This class always expects the underlying ScreenCapturer | 23 // content. This class always expects the underlying ScreenCapturer |
23 // implementation returns a superset of updated regions in DestkopFrame. If a | 24 // implementation returns a superset of updated regions in DestkopFrame. If a |
24 // ScreenCapturer implementation does not know the updated region, it should | 25 // ScreenCapturer implementation does not know the updated region, it should |
25 // set updated_region() to full frame. | 26 // set updated_region() to full frame. |
26 // | 27 // |
27 // This class marks entire frame as updated if the frame size or frame stride | 28 // This class marks entire frame as updated if the frame size or frame stride |
28 // has been changed. | 29 // has been changed. |
29 class ScreenCapturerDifferWrapper : public ScreenCapturer, | 30 class ScreenCapturerDifferWrapper : public ScreenCapturer, |
30 public DesktopCapturer::Callback { | 31 public DesktopCapturer::Callback { |
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49 std::unique_ptr<DesktopFrame> frame) override; | 50 std::unique_ptr<DesktopFrame> frame) override; |
50 | 51 |
51 const std::unique_ptr<ScreenCapturer> base_capturer_; | 52 const std::unique_ptr<ScreenCapturer> base_capturer_; |
52 DesktopCapturer::Callback* callback_; | 53 DesktopCapturer::Callback* callback_; |
53 std::unique_ptr<SharedDesktopFrame> last_frame_; | 54 std::unique_ptr<SharedDesktopFrame> last_frame_; |
54 }; | 55 }; |
55 | 56 |
56 } // namespace webrtc | 57 } // namespace webrtc |
57 | 58 |
58 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_SCREEN_CAPTURER_DIFFER_WRAPPER_H_ | 59 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_SCREEN_CAPTURER_DIFFER_WRAPPER_H_ |
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