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Side by Side Diff: media/video/capture/screen/screen_capturer_helper.h

Issue 12047101: Move screen capturers from remoting/capturer to media/video/capturer/screen (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 10 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 #ifndef REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_HELPER_H_ 5 #ifndef MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_HELPER_H_
6 #define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_HELPER_H_ 6 #define MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_HELPER_H_
7 7
8 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
9 #include "base/synchronization/lock.h" 9 #include "base/synchronization/lock.h"
10 #include "media/base/media_export.h"
10 #include "third_party/skia/include/core/SkRegion.h" 11 #include "third_party/skia/include/core/SkRegion.h"
11 12
12 namespace remoting { 13 namespace media {
13 14
14 // VideoFrameCapturerHelper is intended to be used by an implementation of the 15 // ScreenCapturerHelper is intended to be used by an implementation of the
15 // VideoFrameCapturer interface. It maintains a thread-safe invalid region, and 16 // ScreenCapturer interface. It maintains a thread-safe invalid region, and
16 // the size of the most recently captured screen, on behalf of the 17 // the size of the most recently captured screen, on behalf of the
17 // VideoFrameCapturer that owns it. 18 // ScreenCapturer that owns it.
18 class VideoFrameCapturerHelper { 19 class MEDIA_EXPORT ScreenCapturerHelper {
19 public: 20 public:
20 VideoFrameCapturerHelper(); 21 ScreenCapturerHelper();
21 ~VideoFrameCapturerHelper(); 22 ~ScreenCapturerHelper();
22 23
23 // Clear out the invalid region. 24 // Clear out the invalid region.
24 void ClearInvalidRegion(); 25 void ClearInvalidRegion();
25 26
26 // Invalidate the specified region. 27 // Invalidate the specified region.
27 void InvalidateRegion(const SkRegion& invalid_region); 28 void InvalidateRegion(const SkRegion& invalid_region);
28 29
29 // Invalidate the entire screen, of a given size. 30 // Invalidate the entire screen, of a given size.
30 void InvalidateScreen(const SkISize& size); 31 void InvalidateScreen(const SkISize& size);
31 32
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
68 base::Lock invalid_region_lock_; 69 base::Lock invalid_region_lock_;
69 70
70 // The size of the most recently captured screen. 71 // The size of the most recently captured screen.
71 SkISize size_most_recent_; 72 SkISize size_most_recent_;
72 73
73 // The log (base 2) of the size of the grid to which the invalid region is 74 // The log (base 2) of the size of the grid to which the invalid region is
74 // expanded. 75 // expanded.
75 // If the value is <= 0, then the invalid region is not expanded to a grid. 76 // If the value is <= 0, then the invalid region is not expanded to a grid.
76 int log_grid_size_; 77 int log_grid_size_;
77 78
78 DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerHelper); 79 DISALLOW_COPY_AND_ASSIGN(ScreenCapturerHelper);
79 }; 80 };
80 81
81 } // namespace remoting 82 } // namespace media
82 83
83 #endif // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_HELPER_H_ 84 #endif // MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_HELPER_H_
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