OLD | NEW |
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 // Defines various types of timestamped media buffers used for transporting | 5 // Defines various types of timestamped media buffers used for transporting |
6 // data between filters. Every buffer contains a timestamp in microseconds | 6 // data between filters. Every buffer contains a timestamp in microseconds |
7 // describing the relative position of the buffer within the media stream, and | 7 // describing the relative position of the buffer within the media stream, and |
8 // the duration in microseconds for the length of time the buffer will be | 8 // the duration in microseconds for the length of time the buffer will be |
9 // rendered. | 9 // rendered. |
10 // | 10 // |
(...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
78 | 78 |
79 class Buffer : public StreamSample { | 79 class Buffer : public StreamSample { |
80 public: | 80 public: |
81 // Returns a read only pointer to the buffer data. | 81 // Returns a read only pointer to the buffer data. |
82 virtual const uint8* GetData() const = 0; | 82 virtual const uint8* GetData() const = 0; |
83 | 83 |
84 // Returns the size of valid data in bytes. | 84 // Returns the size of valid data in bytes. |
85 virtual size_t GetDataSize() const = 0; | 85 virtual size_t GetDataSize() const = 0; |
86 | 86 |
87 // If there's no data in this buffer, it represents end of stream. | 87 // If there's no data in this buffer, it represents end of stream. |
88 virtual bool IsEndOfStream() const { return GetData() == NULL; } | 88 virtual bool IsEndOfStream() const; |
89 | 89 |
90 protected: | 90 protected: |
91 virtual ~Buffer() {} | 91 virtual ~Buffer() {} |
92 }; | 92 }; |
93 | 93 |
94 } // namespace media | 94 } // namespace media |
95 | 95 |
96 #endif // MEDIA_BASE_BUFFERS_H_ | 96 #endif // MEDIA_BASE_BUFFERS_H_ |
OLD | NEW |