| OLD | NEW |
| 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" |
| (...skipping 29 matching lines...) Expand all Loading... |
| 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 | |
| 57 // Create a DecoderBuffer indicating we've reached end of stream. | 50 // Create a DecoderBuffer indicating we've reached end of stream. |
| 58 // | 51 // |
| 59 // Calling any method other than IsEndOfStream() on the resulting buffer | 52 // Calling any method other than IsEndOfStream() on the resulting buffer |
| 60 // is disallowed. | 53 // is disallowed. |
| 61 static scoped_refptr<DecoderBuffer> CreateEOSBuffer(); | 54 static scoped_refptr<DecoderBuffer> CreateEOSBuffer(); |
| 62 | 55 |
| 63 base::TimeDelta GetTimestamp() const; | 56 base::TimeDelta GetTimestamp() const; |
| 64 void SetTimestamp(const base::TimeDelta& timestamp); | 57 void SetTimestamp(const base::TimeDelta& timestamp); |
| 65 | 58 |
| 66 base::TimeDelta GetDuration() const; | 59 base::TimeDelta GetDuration() const; |
| 67 void SetDuration(const base::TimeDelta& duration); | 60 void SetDuration(const base::TimeDelta& duration); |
| 68 | 61 |
| 69 const uint8* GetData() const; | 62 const uint8* GetData() const; |
| 70 uint8* GetWritableData() const; | 63 uint8* GetWritableData() const; |
| 71 | 64 |
| 72 int GetDataSize() const; | 65 int GetDataSize() const; |
| 73 | 66 |
| 74 const uint8* GetSideData() const; | |
| 75 int GetSideDataSize() const; | |
| 76 | |
| 77 const DecryptConfig* GetDecryptConfig() const; | 67 const DecryptConfig* GetDecryptConfig() const; |
| 78 void SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config); | 68 void SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config); |
| 79 | 69 |
| 80 // If there's no data in this buffer, it represents end of stream. | 70 // If there's no data in this buffer, it represents end of stream. |
| 81 bool IsEndOfStream() const; | 71 bool IsEndOfStream() const; |
| 82 | 72 |
| 83 // Returns a human-readable string describing |*this|. | 73 // Returns a human-readable string describing |*this|. |
| 84 std::string AsHumanReadableString(); | 74 std::string AsHumanReadableString(); |
| 85 | 75 |
| 86 protected: | 76 protected: |
| 87 friend class base::RefCountedThreadSafe<DecoderBuffer>; | 77 friend class base::RefCountedThreadSafe<DecoderBuffer>; |
| 88 | 78 |
| 89 // Allocates a buffer of size |size| >= 0 and copies |data| into it. Buffer | 79 // Allocates a buffer of size |size| >= 0 and copies |data| into it. Buffer |
| 90 // will be padded and aligned as necessary. If |data| is NULL then |data_| is | 80 // will be padded and aligned as necessary. If |data| is NULL then |data_| is |
| 91 // set to NULL and |buffer_size_| to 0. | 81 // set to NULL and |buffer_size_| to 0. |
| 92 DecoderBuffer(const uint8* data, int size); | 82 DecoderBuffer(const uint8* data, int size); |
| 93 DecoderBuffer(const uint8* data, int size, | |
| 94 const uint8* side_data, int side_data_size); | |
| 95 virtual ~DecoderBuffer(); | 83 virtual ~DecoderBuffer(); |
| 96 | 84 |
| 97 private: | 85 private: |
| 98 base::TimeDelta timestamp_; | 86 base::TimeDelta timestamp_; |
| 99 base::TimeDelta duration_; | 87 base::TimeDelta duration_; |
| 100 | 88 |
| 101 int size_; | 89 int size_; |
| 102 scoped_ptr<uint8, base::ScopedPtrAlignedFree> data_; | 90 scoped_ptr<uint8, base::ScopedPtrAlignedFree> data_; |
| 103 int side_data_size_; | |
| 104 scoped_ptr<uint8, base::ScopedPtrAlignedFree> side_data_; | |
| 105 scoped_ptr<DecryptConfig> decrypt_config_; | 91 scoped_ptr<DecryptConfig> decrypt_config_; |
| 106 | 92 |
| 107 // Constructor helper method for memory allocations. | 93 // Constructor helper method for memory allocations. |
| 108 void Initialize(); | 94 void Initialize(); |
| 109 | 95 |
| 110 DISALLOW_COPY_AND_ASSIGN(DecoderBuffer); | 96 DISALLOW_COPY_AND_ASSIGN(DecoderBuffer); |
| 111 }; | 97 }; |
| 112 | 98 |
| 113 } // namespace media | 99 } // namespace media |
| 114 | 100 |
| 115 #endif // MEDIA_BASE_DECODER_BUFFER_H_ | 101 #endif // MEDIA_BASE_DECODER_BUFFER_H_ |
| OLD | NEW |