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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 | 5 |
6 /* | 6 /* |
7 * Copyright (c) 2010, The WebM Project authors. All rights reserved. | 7 * Copyright (c) 2010, The WebM Project authors. All rights reserved. |
8 * | 8 * |
9 * Redistribution and use in source and binary forms, with or without | 9 * Redistribution and use in source and binary forms, with or without |
10 * modification, are permitted provided that the following conditions are | 10 * modification, are permitted provided that the following conditions are |
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38 | 38 |
39 // This file is modified from the dboolhuff.{c,h} from the WebM's libvpx | 39 // This file is modified from the dboolhuff.{c,h} from the WebM's libvpx |
40 // project. (http://www.webmproject.org/code) | 40 // project. (http://www.webmproject.org/code) |
41 // It is used to decode bits from a vp8 stream. | 41 // It is used to decode bits from a vp8 stream. |
42 | 42 |
43 #ifndef MEDIA_FILTERS_VP8_BOOL_DECODER_H_ | 43 #ifndef MEDIA_FILTERS_VP8_BOOL_DECODER_H_ |
44 #define MEDIA_FILTERS_VP8_BOOL_DECODER_H_ | 44 #define MEDIA_FILTERS_VP8_BOOL_DECODER_H_ |
45 | 45 |
46 #include <sys/types.h> | 46 #include <sys/types.h> |
47 | 47 |
48 #include "base/basictypes.h" | |
49 #include "base/logging.h" | 48 #include "base/logging.h" |
50 #include "media/base/media_export.h" | 49 #include "media/base/media_export.h" |
51 | 50 |
52 namespace media { | 51 namespace media { |
53 | 52 |
54 // A class to decode the VP8's boolean entropy coded stream. It's a variant of | 53 // A class to decode the VP8's boolean entropy coded stream. It's a variant of |
55 // arithmetic coding. See RFC 6386 - Chapter 7. Boolean Entropy Decoder. | 54 // arithmetic coding. See RFC 6386 - Chapter 7. Boolean Entropy Decoder. |
56 class MEDIA_EXPORT Vp8BoolDecoder { | 55 class MEDIA_EXPORT Vp8BoolDecoder { |
57 public: | 56 public: |
58 Vp8BoolDecoder(); | 57 Vp8BoolDecoder(); |
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124 size_t value_; | 123 size_t value_; |
125 int count_; | 124 int count_; |
126 size_t range_; | 125 size_t range_; |
127 | 126 |
128 DISALLOW_COPY_AND_ASSIGN(Vp8BoolDecoder); | 127 DISALLOW_COPY_AND_ASSIGN(Vp8BoolDecoder); |
129 }; | 128 }; |
130 | 129 |
131 } // namespace media | 130 } // namespace media |
132 | 131 |
133 #endif // MEDIA_FILTERS_VP8_BOOL_DECODER_H_ | 132 #endif // MEDIA_FILTERS_VP8_BOOL_DECODER_H_ |
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