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Side by Side Diff: media/base/seekable_buffer.h

Issue 1542013004: Switch to standard integer types in media/, take 2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more stddef Created 5 years 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 // SeekableBuffer to support backward and forward seeking in a buffer for 5 // SeekableBuffer to support backward and forward seeking in a buffer for
6 // reading a media data source. 6 // reading a media data source.
7 // 7 //
8 // In order to support backward and forward seeking, this class buffers data in 8 // In order to support backward and forward seeking, this class buffers data in
9 // both backward and forward directions, the current read position can be reset 9 // both backward and forward directions, the current read position can be reset
10 // to anywhere in the buffered data. 10 // to anywhere in the buffered data.
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26 // advises a halt of append operation, further append operations are allowed but 26 // advises a halt of append operation, further append operations are allowed but
27 // are not advised. Since this class is used as a backend buffer for caching 27 // are not advised. Since this class is used as a backend buffer for caching
28 // media files downloaded from network we cannot afford losing data, we can 28 // media files downloaded from network we cannot afford losing data, we can
29 // only advise a halt of further writing to this buffer. 29 // only advise a halt of further writing to this buffer.
30 // This class is not inherently thread-safe. Concurrent access must be 30 // This class is not inherently thread-safe. Concurrent access must be
31 // externally serialized. 31 // externally serialized.
32 32
33 #ifndef MEDIA_BASE_SEEKABLE_BUFFER_H_ 33 #ifndef MEDIA_BASE_SEEKABLE_BUFFER_H_
34 #define MEDIA_BASE_SEEKABLE_BUFFER_H_ 34 #define MEDIA_BASE_SEEKABLE_BUFFER_H_
35 35
36 #include <stdint.h>
37
36 #include <list> 38 #include <list>
37 39
38 #include "base/macros.h" 40 #include "base/macros.h"
39 #include "base/memory/ref_counted.h" 41 #include "base/memory/ref_counted.h"
40 #include "base/time/time.h" 42 #include "base/time/time.h"
41 #include "media/base/media_export.h" 43 #include "media/base/media_export.h"
42 44
43 namespace media { 45 namespace media {
44 46
45 class DataBuffer; 47 class DataBuffer;
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178 // Keeps track of the most recent time we've seen in case the |buffers_| is 180 // Keeps track of the most recent time we've seen in case the |buffers_| is
179 // empty when our owner asks what time it is. 181 // empty when our owner asks what time it is.
180 base::TimeDelta current_time_; 182 base::TimeDelta current_time_;
181 183
182 DISALLOW_COPY_AND_ASSIGN(SeekableBuffer); 184 DISALLOW_COPY_AND_ASSIGN(SeekableBuffer);
183 }; 185 };
184 186
185 } // namespace media 187 } // namespace media
186 188
187 #endif // MEDIA_BASE_SEEKABLE_BUFFER_H_ 189 #endif // MEDIA_BASE_SEEKABLE_BUFFER_H_
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