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Side by Side Diff: remoting/host/video_frame_capturer_win.cc

Issue 10832068: Moving Windows-only files: remoting/host -> remoting/host/win. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 4 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "remoting/host/video_frame_capturer.h" 5 #include "remoting/host/video_frame_capturer.h"
6 6
7 #include <windows.h> 7 #include <windows.h>
8 8
9 #include "base/file_path.h" 9 #include "base/file_path.h"
10 #include "base/logging.h" 10 #include "base/logging.h"
11 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
12 #include "base/scoped_native_library.h" 12 #include "base/scoped_native_library.h"
13 #include "base/utf_string_conversions.h" 13 #include "base/utf_string_conversions.h"
14 #include "base/win/scoped_gdi_object.h" 14 #include "base/win/scoped_gdi_object.h"
15 #include "base/win/scoped_hdc.h" 15 #include "base/win/scoped_hdc.h"
16 #include "remoting/base/capture_data.h" 16 #include "remoting/base/capture_data.h"
17 #include "remoting/host/desktop_win.h"
18 #include "remoting/host/differ.h" 17 #include "remoting/host/differ.h"
19 #include "remoting/host/scoped_thread_desktop_win.h"
20 #include "remoting/host/video_frame_capturer_helper.h" 18 #include "remoting/host/video_frame_capturer_helper.h"
19 #include "remoting/host/win/desktop.h"
20 #include "remoting/host/win/scoped_thread_desktop.h"
21 #include "remoting/proto/control.pb.h" 21 #include "remoting/proto/control.pb.h"
22 22
23 namespace remoting { 23 namespace remoting {
24 24
25 namespace { 25 namespace {
26 26
27 // Constants from dwmapi.h. 27 // Constants from dwmapi.h.
28 const UINT DWM_EC_DISABLECOMPOSITION = 0; 28 const UINT DWM_EC_DISABLECOMPOSITION = 0;
29 const UINT DWM_EC_ENABLECOMPOSITION = 1; 29 const UINT DWM_EC_ENABLECOMPOSITION = 1;
30 30
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98 // Snapshot of the last cursor bitmap we sent to the client. This is used 98 // Snapshot of the last cursor bitmap we sent to the client. This is used
99 // to diff against the current cursor so we only send a cursor-change 99 // to diff against the current cursor so we only send a cursor-change
100 // message when the shape has changed. 100 // message when the shape has changed.
101 scoped_array<uint8> last_cursor_; 101 scoped_array<uint8> last_cursor_;
102 SkISize last_cursor_size_; 102 SkISize last_cursor_size_;
103 103
104 // There are two buffers for the screen images, as required by Capturer. 104 // There are two buffers for the screen images, as required by Capturer.
105 static const int kNumBuffers = 2; 105 static const int kNumBuffers = 2;
106 VideoFrameBuffer buffers_[kNumBuffers]; 106 VideoFrameBuffer buffers_[kNumBuffers];
107 107
108 ScopedThreadDesktopWin desktop_; 108 ScopedThreadDesktop desktop_;
109 109
110 // GDI resources used for screen capture. 110 // GDI resources used for screen capture.
111 scoped_ptr<base::win::ScopedGetDC> desktop_dc_; 111 scoped_ptr<base::win::ScopedGetDC> desktop_dc_;
112 base::win::ScopedCreateDC memory_dc_; 112 base::win::ScopedCreateDC memory_dc_;
113 base::win::ScopedBitmap target_bitmap_[kNumBuffers]; 113 base::win::ScopedBitmap target_bitmap_[kNumBuffers];
114 int resource_generation_; 114 int resource_generation_;
115 115
116 // Rectangle describing the bounds of the desktop device context. 116 // Rectangle describing the bounds of the desktop device context.
117 SkIRect desktop_dc_rect_; 117 SkIRect desktop_dc_rect_;
118 118
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209 void VideoFrameCapturerWin::Stop() { 209 void VideoFrameCapturerWin::Stop() {
210 // Restore Aero. 210 // Restore Aero.
211 if (composition_func_ != NULL) { 211 if (composition_func_ != NULL) {
212 (*composition_func_)(DWM_EC_ENABLECOMPOSITION); 212 (*composition_func_)(DWM_EC_ENABLECOMPOSITION);
213 } 213 }
214 } 214 }
215 215
216 void VideoFrameCapturerWin::PrepareCaptureResources() { 216 void VideoFrameCapturerWin::PrepareCaptureResources() {
217 // Switch to the desktop receiving user input if different from the current 217 // Switch to the desktop receiving user input if different from the current
218 // one. 218 // one.
219 scoped_ptr<DesktopWin> input_desktop = DesktopWin::GetInputDesktop(); 219 scoped_ptr<Desktop> input_desktop = Desktop::GetInputDesktop();
220 if (input_desktop.get() != NULL && !desktop_.IsSame(*input_desktop)) { 220 if (input_desktop.get() != NULL && !desktop_.IsSame(*input_desktop)) {
221 // Release GDI resources otherwise SetThreadDesktop will fail. 221 // Release GDI resources otherwise SetThreadDesktop will fail.
222 desktop_dc_.reset(); 222 desktop_dc_.reset();
223 memory_dc_.Set(NULL); 223 memory_dc_.Set(NULL);
224 224
225 // If SetThreadDesktop() fails, the thread is still assigned a desktop. 225 // If SetThreadDesktop() fails, the thread is still assigned a desktop.
226 // So we can continue capture screen bits, just from the wrong desktop. 226 // So we can continue capture screen bits, just from the wrong desktop.
227 desktop_.SetThreadDesktop(input_desktop.Pass()); 227 desktop_.SetThreadDesktop(input_desktop.Pass());
228 } 228 }
229 229
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546 } 546 }
547 547
548 } // namespace 548 } // namespace
549 549
550 // static 550 // static
551 VideoFrameCapturer* VideoFrameCapturer::Create() { 551 VideoFrameCapturer* VideoFrameCapturer::Create() {
552 return new VideoFrameCapturerWin(); 552 return new VideoFrameCapturerWin();
553 } 553 }
554 554
555 } // namespace remoting 555 } // namespace remoting
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