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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 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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48 // buffer with the root window contents (otherwise, this is a no-op). | 48 // buffer with the root window contents (otherwise, this is a no-op). |
49 // This is to avoid doing a full-screen capture for each individual | 49 // This is to avoid doing a full-screen capture for each individual |
50 // rectangle in the capture list, when it only needs to be done once at the | 50 // rectangle in the capture list, when it only needs to be done once at the |
51 // beginning. | 51 // beginning. |
52 void Synchronize(); | 52 void Synchronize(); |
53 | 53 |
54 // Capture the specified rectangle and stores it in the |frame|. In the case | 54 // Capture the specified rectangle and stores it in the |frame|. In the case |
55 // where the full-screen data is captured by Synchronize(), this simply | 55 // where the full-screen data is captured by Synchronize(), this simply |
56 // returns the pointer without doing any more work. The caller must ensure | 56 // returns the pointer without doing any more work. The caller must ensure |
57 // that |rect| is not larger than window_size(). | 57 // that |rect| is not larger than window_size(). |
58 void CaptureRect(const DesktopRect& rect, DesktopFrame* frame); | 58 bool CaptureRect(const DesktopRect& rect, DesktopFrame* frame); |
59 | 59 |
60 private: | 60 private: |
61 void InitShm(const XWindowAttributes& attributes); | 61 void InitShm(const XWindowAttributes& attributes); |
62 bool InitPixmaps(int depth); | 62 bool InitPixmaps(int depth); |
63 | 63 |
64 // We expose two forms of blitting to handle variations in the pixel format. | 64 // We expose two forms of blitting to handle variations in the pixel format. |
65 // In FastBlit(), the operation is effectively a memcpy. | 65 // In FastBlit(), the operation is effectively a memcpy. |
66 void FastBlit(uint8_t* image, | 66 void FastBlit(uint8_t* image, |
67 const DesktopRect& rect, | 67 const DesktopRect& rect, |
68 DesktopFrame* frame); | 68 DesktopFrame* frame); |
69 void SlowBlit(uint8_t* image, | 69 void SlowBlit(uint8_t* image, |
70 const DesktopRect& rect, | 70 const DesktopRect& rect, |
71 DesktopFrame* frame); | 71 DesktopFrame* frame); |
72 | 72 |
73 Display* display_ = nullptr; | 73 Display* display_ = nullptr; |
74 Window window_ = 0; | 74 Window window_ = 0; |
75 DesktopSize window_size_; | 75 DesktopSize window_size_; |
76 XImage* x_image_ = nullptr; | 76 XImage* x_image_ = nullptr; |
77 XShmSegmentInfo* shm_segment_info_ = nullptr; | 77 XShmSegmentInfo* shm_segment_info_ = nullptr; |
78 Pixmap shm_pixmap_ = 0; | 78 Pixmap shm_pixmap_ = 0; |
79 GC shm_gc_ = nullptr; | 79 GC shm_gc_ = nullptr; |
80 bool xshm_get_image_succeeded_ = false; | 80 bool xshm_get_image_succeeded_ = false; |
81 | 81 |
82 RTC_DISALLOW_COPY_AND_ASSIGN(XServerPixelBuffer); | 82 RTC_DISALLOW_COPY_AND_ASSIGN(XServerPixelBuffer); |
83 }; | 83 }; |
84 | 84 |
85 } // namespace webrtc | 85 } // namespace webrtc |
86 | 86 |
87 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_SERVER_PIXEL_BUFFER_H_ | 87 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_SERVER_PIXEL_BUFFER_H_ |
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