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