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Side by Side Diff: trunk/src/media/base/decoder_buffer.h

Issue 13972014: Revert 194465 "media: Add support for playback for VP8 Alpha vid..." (Closed) Base URL: svn://svn.chromium.org/chrome/
Patch Set: Created 7 years, 8 months ago
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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"
(...skipping 29 matching lines...) Expand all
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_
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