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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 |
11 #include "webrtc/modules/desktop_capture/screen_capturer.h" | 11 #include "webrtc/modules/desktop_capture/screen_capturer.h" |
12 | 12 |
13 #include <string.h> | 13 #include <string.h> |
| 14 |
| 15 #include <memory> |
14 #include <set> | 16 #include <set> |
15 | 17 |
16 #include <X11/extensions/Xdamage.h> | 18 #include <X11/extensions/Xdamage.h> |
17 #include <X11/extensions/Xfixes.h> | 19 #include <X11/extensions/Xfixes.h> |
18 #include <X11/Xlib.h> | 20 #include <X11/Xlib.h> |
19 #include <X11/Xutil.h> | 21 #include <X11/Xutil.h> |
20 | 22 |
21 #include "webrtc/base/checks.h" | 23 #include "webrtc/base/checks.h" |
22 #include "webrtc/base/scoped_ptr.h" | |
23 #include "webrtc/modules/desktop_capture/desktop_capture_options.h" | 24 #include "webrtc/modules/desktop_capture/desktop_capture_options.h" |
24 #include "webrtc/modules/desktop_capture/desktop_frame.h" | 25 #include "webrtc/modules/desktop_capture/desktop_frame.h" |
25 #include "webrtc/modules/desktop_capture/differ.h" | 26 #include "webrtc/modules/desktop_capture/differ.h" |
26 #include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h" | 27 #include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h" |
27 #include "webrtc/modules/desktop_capture/screen_capturer_helper.h" | 28 #include "webrtc/modules/desktop_capture/screen_capturer_helper.h" |
28 #include "webrtc/modules/desktop_capture/x11/x_server_pixel_buffer.h" | 29 #include "webrtc/modules/desktop_capture/x11/x_server_pixel_buffer.h" |
29 #include "webrtc/system_wrappers/include/logging.h" | 30 #include "webrtc/system_wrappers/include/logging.h" |
30 #include "webrtc/system_wrappers/include/tick_util.h" | 31 #include "webrtc/system_wrappers/include/tick_util.h" |
31 | 32 |
32 namespace webrtc { | 33 namespace webrtc { |
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105 ScreenCapturerHelper helper_; | 106 ScreenCapturerHelper helper_; |
106 | 107 |
107 // Queue of the frames buffers. | 108 // Queue of the frames buffers. |
108 ScreenCaptureFrameQueue queue_; | 109 ScreenCaptureFrameQueue queue_; |
109 | 110 |
110 // Invalid region from the previous capture. This is used to synchronize the | 111 // Invalid region from the previous capture. This is used to synchronize the |
111 // current with the last buffer used. | 112 // current with the last buffer used. |
112 DesktopRegion last_invalid_region_; | 113 DesktopRegion last_invalid_region_; |
113 | 114 |
114 // |Differ| for use when polling for changes. | 115 // |Differ| for use when polling for changes. |
115 rtc::scoped_ptr<Differ> differ_; | 116 std::unique_ptr<Differ> differ_; |
116 | 117 |
117 RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerLinux); | 118 RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerLinux); |
118 }; | 119 }; |
119 | 120 |
120 ScreenCapturerLinux::ScreenCapturerLinux() | 121 ScreenCapturerLinux::ScreenCapturerLinux() |
121 : callback_(NULL), | 122 : callback_(NULL), |
122 gc_(NULL), | 123 gc_(NULL), |
123 root_window_(BadValue), | 124 root_window_(BadValue), |
124 has_xfixes_(false), | 125 has_xfixes_(false), |
125 xfixes_event_base_(-1), | 126 xfixes_event_base_(-1), |
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246 if (!x_server_pixel_buffer_.is_initialized()) { | 247 if (!x_server_pixel_buffer_.is_initialized()) { |
247 // We failed to initialize pixel buffer. | 248 // We failed to initialize pixel buffer. |
248 callback_->OnCaptureCompleted(NULL); | 249 callback_->OnCaptureCompleted(NULL); |
249 return; | 250 return; |
250 } | 251 } |
251 | 252 |
252 // If the current frame is from an older generation then allocate a new one. | 253 // If the current frame is from an older generation then allocate a new one. |
253 // Note that we can't reallocate other buffers at this point, since the caller | 254 // Note that we can't reallocate other buffers at this point, since the caller |
254 // may still be reading from them. | 255 // may still be reading from them. |
255 if (!queue_.current_frame()) { | 256 if (!queue_.current_frame()) { |
256 rtc::scoped_ptr<DesktopFrame> frame( | 257 std::unique_ptr<DesktopFrame> frame( |
257 new BasicDesktopFrame(x_server_pixel_buffer_.window_size())); | 258 new BasicDesktopFrame(x_server_pixel_buffer_.window_size())); |
258 queue_.ReplaceCurrentFrame(frame.release()); | 259 queue_.ReplaceCurrentFrame(frame.release()); |
259 } | 260 } |
260 | 261 |
261 // Refresh the Differ helper used by CaptureFrame(), if needed. | 262 // Refresh the Differ helper used by CaptureFrame(), if needed. |
262 DesktopFrame* frame = queue_.current_frame(); | 263 DesktopFrame* frame = queue_.current_frame(); |
263 if (!use_damage_ && ( | 264 if (!use_damage_ && ( |
264 !differ_.get() || | 265 !differ_.get() || |
265 (differ_->width() != frame->size().width()) || | 266 (differ_->width() != frame->size().width()) || |
266 (differ_->height() != frame->size().height()) || | 267 (differ_->height() != frame->size().height()) || |
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428 } | 429 } |
429 } | 430 } |
430 | 431 |
431 } // namespace | 432 } // namespace |
432 | 433 |
433 // static | 434 // static |
434 ScreenCapturer* ScreenCapturer::Create(const DesktopCaptureOptions& options) { | 435 ScreenCapturer* ScreenCapturer::Create(const DesktopCaptureOptions& options) { |
435 if (!options.x_display()) | 436 if (!options.x_display()) |
436 return NULL; | 437 return NULL; |
437 | 438 |
438 rtc::scoped_ptr<ScreenCapturerLinux> capturer(new ScreenCapturerLinux()); | 439 std::unique_ptr<ScreenCapturerLinux> capturer(new ScreenCapturerLinux()); |
439 if (!capturer->Init(options)) | 440 if (!capturer->Init(options)) |
440 capturer.reset(); | 441 capturer.reset(); |
441 return capturer.release(); | 442 return capturer.release(); |
442 } | 443 } |
443 | 444 |
444 } // namespace webrtc | 445 } // namespace webrtc |
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