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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURE_FRAME_H_ | |
6 #define MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURE_FRAME_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/compiler_specific.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "media/base/media_export.h" | |
12 #include "media/video/capture/screen/shared_buffer.h" | |
13 #include "third_party/skia/include/core/SkSize.h" | |
14 #include "third_party/skia/include/core/SkTypes.h" | |
15 | |
16 namespace media { | |
17 | |
18 // Represents a video frame. | |
19 class MEDIA_EXPORT ScreenCaptureFrame { | |
20 public: | |
21 virtual ~ScreenCaptureFrame(); | |
22 | |
23 int bytes_per_row() const { return bytes_per_row_; } | |
24 const SkISize& dimensions() const { return dimensions_; } | |
25 uint8* pixels() const { return pixels_; } | |
26 const scoped_refptr<SharedBuffer>& shared_buffer() const { | |
27 return shared_buffer_; | |
28 } | |
29 | |
30 protected: | |
31 // Initializes an empty video frame. Derived classes are expected to allocate | |
32 // memory for the frame in a platform-specific way and set the properties of | |
33 // the allocated frame. | |
34 ScreenCaptureFrame(); | |
35 | |
36 void set_bytes_per_row(int bytes_per_row) { | |
37 bytes_per_row_ = bytes_per_row; | |
38 } | |
39 | |
40 void set_dimensions(const SkISize& dimensions) { dimensions_ = dimensions; } | |
41 void set_pixels(uint8* ptr) { pixels_ = ptr; } | |
42 void set_shared_buffer(scoped_refptr<SharedBuffer> shared_buffer) { | |
43 shared_buffer_ = shared_buffer; | |
44 } | |
45 | |
46 private: | |
47 // Bytes per row of pixels including necessary padding. | |
48 int bytes_per_row_; | |
49 | |
50 // Dimensions of the buffer in pixels. | |
51 SkISize dimensions_; | |
52 | |
53 // Points to the pixel buffer. | |
54 uint8* pixels_; | |
55 | |
56 // Points to an optional shared memory buffer that backs up |pixels_| buffer. | |
57 scoped_refptr<SharedBuffer> shared_buffer_; | |
58 | |
59 DISALLOW_COPY_AND_ASSIGN(ScreenCaptureFrame); | |
60 }; | |
61 | |
62 } // namespace media | |
63 | |
64 #endif // MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURE_FRAME_H_ | |
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