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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 MEDIA_BASE_DECODER_BUFFER_H_ | 5 #ifndef MEDIA_BASE_DECODER_BUFFER_H_ |
6 #define MEDIA_BASE_DECODER_BUFFER_H_ | 6 #define MEDIA_BASE_DECODER_BUFFER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/aligned_memory.h" | 10 #include "base/memory/aligned_memory.h" |
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40 }; | 40 }; |
41 | 41 |
42 // Allocates buffer with |size| >= 0. Buffer will be padded and aligned | 42 // Allocates buffer with |size| >= 0. Buffer will be padded and aligned |
43 // as necessary. | 43 // as necessary. |
44 explicit DecoderBuffer(int size); | 44 explicit DecoderBuffer(int size); |
45 | 45 |
46 // Create a DecoderBuffer whose |data_| is copied from |data|. Buffer will be | 46 // Create a DecoderBuffer whose |data_| is copied from |data|. Buffer will be |
47 // padded and aligned as necessary. |data| must not be NULL and |size| >= 0. | 47 // padded and aligned as necessary. |data| must not be NULL and |size| >= 0. |
48 static scoped_refptr<DecoderBuffer> CopyFrom(const uint8* data, int size); | 48 static scoped_refptr<DecoderBuffer> CopyFrom(const uint8* data, int size); |
49 | 49 |
| 50 // Create a DecoderBuffer whose |data_| is copied from |data| and |side_data_| |
| 51 // is copied from |side_data|. Buffers will be padded and aligned as necessary |
| 52 // Data pointers must not be NULL and sizes must be >= 0. |
| 53 static scoped_refptr<DecoderBuffer> CopyFrom(const uint8* data, int size, |
| 54 const uint8* side_data, |
| 55 int side_data_size); |
| 56 |
50 // Create a DecoderBuffer indicating we've reached end of stream. | 57 // Create a DecoderBuffer indicating we've reached end of stream. |
51 // | 58 // |
52 // Calling any method other than IsEndOfStream() on the resulting buffer | 59 // Calling any method other than IsEndOfStream() on the resulting buffer |
53 // is disallowed. | 60 // is disallowed. |
54 static scoped_refptr<DecoderBuffer> CreateEOSBuffer(); | 61 static scoped_refptr<DecoderBuffer> CreateEOSBuffer(); |
55 | 62 |
56 base::TimeDelta GetTimestamp() const; | 63 base::TimeDelta GetTimestamp() const; |
57 void SetTimestamp(const base::TimeDelta& timestamp); | 64 void SetTimestamp(const base::TimeDelta& timestamp); |
58 | 65 |
59 base::TimeDelta GetDuration() const; | 66 base::TimeDelta GetDuration() const; |
60 void SetDuration(const base::TimeDelta& duration); | 67 void SetDuration(const base::TimeDelta& duration); |
61 | 68 |
62 const uint8* GetData() const; | 69 const uint8* GetData() const; |
63 uint8* GetWritableData() const; | 70 uint8* GetWritableData() const; |
64 | 71 |
65 int GetDataSize() const; | 72 int GetDataSize() const; |
66 | 73 |
| 74 const uint8* GetSideData() const; |
| 75 int GetSideDataSize() const; |
| 76 |
67 const DecryptConfig* GetDecryptConfig() const; | 77 const DecryptConfig* GetDecryptConfig() const; |
68 void SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config); | 78 void SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config); |
69 | 79 |
70 // If there's no data in this buffer, it represents end of stream. | 80 // If there's no data in this buffer, it represents end of stream. |
71 bool IsEndOfStream() const; | 81 bool IsEndOfStream() const; |
72 | 82 |
73 // Returns a human-readable string describing |*this|. | 83 // Returns a human-readable string describing |*this|. |
74 std::string AsHumanReadableString(); | 84 std::string AsHumanReadableString(); |
75 | 85 |
76 protected: | 86 protected: |
77 friend class base::RefCountedThreadSafe<DecoderBuffer>; | 87 friend class base::RefCountedThreadSafe<DecoderBuffer>; |
78 | 88 |
79 // Allocates a buffer of size |size| >= 0 and copies |data| into it. Buffer | 89 // Allocates a buffer of size |size| >= 0 and copies |data| into it. Buffer |
80 // will be padded and aligned as necessary. If |data| is NULL then |data_| is | 90 // will be padded and aligned as necessary. If |data| is NULL then |data_| is |
81 // set to NULL and |buffer_size_| to 0. | 91 // set to NULL and |buffer_size_| to 0. |
82 DecoderBuffer(const uint8* data, int size); | 92 DecoderBuffer(const uint8* data, int size); |
| 93 DecoderBuffer(const uint8* data, int size, |
| 94 const uint8* side_data, int side_data_size); |
83 virtual ~DecoderBuffer(); | 95 virtual ~DecoderBuffer(); |
84 | 96 |
85 private: | 97 private: |
86 base::TimeDelta timestamp_; | 98 base::TimeDelta timestamp_; |
87 base::TimeDelta duration_; | 99 base::TimeDelta duration_; |
88 | 100 |
89 int size_; | 101 int size_; |
90 scoped_ptr<uint8, base::ScopedPtrAlignedFree> data_; | 102 scoped_ptr<uint8, base::ScopedPtrAlignedFree> data_; |
| 103 int side_data_size_; |
| 104 scoped_ptr<uint8, base::ScopedPtrAlignedFree> side_data_; |
91 scoped_ptr<DecryptConfig> decrypt_config_; | 105 scoped_ptr<DecryptConfig> decrypt_config_; |
92 | 106 |
93 // Constructor helper method for memory allocations. | 107 // Constructor helper method for memory allocations. |
94 void Initialize(); | 108 void Initialize(); |
95 | 109 |
96 DISALLOW_COPY_AND_ASSIGN(DecoderBuffer); | 110 DISALLOW_COPY_AND_ASSIGN(DecoderBuffer); |
97 }; | 111 }; |
98 | 112 |
99 } // namespace media | 113 } // namespace media |
100 | 114 |
101 #endif // MEDIA_BASE_DECODER_BUFFER_H_ | 115 #endif // MEDIA_BASE_DECODER_BUFFER_H_ |
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