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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_DIFFER_H_ | 5 #ifndef MEDIA_VIDEO_CAPTURE_SCREEN_DIFFER_H_ |
6 #define REMOTING_CAPTURER_DIFFER_H_ | 6 #define MEDIA_VIDEO_CAPTURE_SCREEN_DIFFER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "media/base/media_export.h" |
12 #include "third_party/skia/include/core/SkRegion.h" | 13 #include "third_party/skia/include/core/SkRegion.h" |
13 | 14 |
14 namespace remoting { | 15 namespace media { |
15 | 16 |
16 typedef uint8 DiffInfo; | 17 typedef uint8 DiffInfo; |
17 | 18 |
18 // TODO: Simplify differ now that we are working with SkRegions. | 19 // TODO: Simplify differ now that we are working with SkRegions. |
19 // diff_info_ should no longer be needed, as we can put our data directly into | 20 // diff_info_ should no longer be needed, as we can put our data directly into |
20 // the region that we are calculating. | 21 // the region that we are calculating. |
21 // http://crbug.com/92379 | 22 // http://crbug.com/92379 |
22 // TODO(sergeyu): Rename this class to something more sensible, e.g. | 23 // TODO(sergeyu): Rename this class to something more sensible, e.g. |
23 // VideoFrameDifferencer. | 24 // ScreenCaptureFrameDifferencer. |
24 class Differ { | 25 class MEDIA_EXPORT Differ { |
25 public: | 26 public: |
26 // Create a differ that operates on bitmaps with the specified width, height | 27 // Create a differ that operates on bitmaps with the specified width, height |
27 // and bytes_per_pixel. | 28 // and bytes_per_pixel. |
28 Differ(int width, int height, int bytes_per_pixel, int stride); | 29 Differ(int width, int height, int bytes_per_pixel, int stride); |
29 ~Differ(); | 30 ~Differ(); |
30 | 31 |
31 int width() { return width_; } | 32 int width() { return width_; } |
32 int height() { return height_; } | 33 int height() { return height_; } |
33 int bytes_per_pixel() { return bytes_per_pixel_; } | 34 int bytes_per_pixel() { return bytes_per_pixel_; } |
34 int bytes_per_row() { return bytes_per_row_; } | 35 int bytes_per_row() { return bytes_per_row_; } |
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72 scoped_array<DiffInfo> diff_info_; | 73 scoped_array<DiffInfo> diff_info_; |
73 | 74 |
74 // Dimensions and total size of diff info array. | 75 // Dimensions and total size of diff info array. |
75 int diff_info_width_; | 76 int diff_info_width_; |
76 int diff_info_height_; | 77 int diff_info_height_; |
77 int diff_info_size_; | 78 int diff_info_size_; |
78 | 79 |
79 DISALLOW_COPY_AND_ASSIGN(Differ); | 80 DISALLOW_COPY_AND_ASSIGN(Differ); |
80 }; | 81 }; |
81 | 82 |
82 } // namespace remoting | 83 } // namespace media |
83 | 84 |
84 #endif // REMOTING_CAPTURER_DIFFER_H_ | 85 #endif // MEDIA_VIDEO_CAPTURE_SCREEN_DIFFER_H_ |
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