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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_DATA_SOURCE_H_ | 5 #ifndef MEDIA_BASE_DATA_SOURCE_H_ |
6 #define MEDIA_BASE_DATA_SOURCE_H_ | 6 #define MEDIA_BASE_DATA_SOURCE_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "media/base/media_export.h" | 10 #include "media/base/media_export.h" |
11 | 11 |
12 namespace media { | 12 namespace media { |
13 | 13 |
14 class MEDIA_EXPORT DataSourceHost { | 14 class MEDIA_EXPORT DataSourceHost { |
15 public: | 15 public: |
16 virtual ~DataSourceHost(); | 16 virtual ~DataSourceHost(); |
17 | 17 |
18 // Set the total size of the media file. | 18 // Set the total size of the media file. |
19 virtual void SetTotalBytes(int64 total_bytes) = 0; | 19 virtual void SetTotalBytes(int64 total_bytes) = 0; |
20 | 20 |
21 // Sets the total number of bytes that are buffered on the client and ready to | 21 // Notify the host that byte range [start,end] has been buffered. |
scherkus (not reviewing)
2012/05/29 18:13:29
I applaud your use of mathematical interval notati
| |
22 // be played. | 22 virtual void AddBufferedByteRange(int64 start, int64 end) = 0; |
23 virtual void SetBufferedBytes(int64 buffered_bytes) = 0; | |
24 | 23 |
25 // Sets the flag to indicate current network activity. | 24 // Sets the flag to indicate current network activity. |
26 virtual void SetNetworkActivity(bool is_downloading_data) = 0; | 25 virtual void SetNetworkActivity(bool is_downloading_data) = 0; |
27 }; | 26 }; |
28 | 27 |
29 class MEDIA_EXPORT DataSource : public base::RefCountedThreadSafe<DataSource> { | 28 class MEDIA_EXPORT DataSource : public base::RefCountedThreadSafe<DataSource> { |
30 public: | 29 public: |
31 typedef base::Callback<void(int64, int64)> StatusCallback; | 30 typedef base::Callback<void(int64, int64)> StatusCallback; |
32 typedef base::Callback<void(int)> ReadCB; | 31 typedef base::Callback<void(int)> ReadCB; |
33 static const int kReadError; | 32 static const int kReadError; |
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70 | 69 |
71 private: | 70 private: |
72 DataSourceHost* host_; | 71 DataSourceHost* host_; |
73 | 72 |
74 DISALLOW_COPY_AND_ASSIGN(DataSource); | 73 DISALLOW_COPY_AND_ASSIGN(DataSource); |
75 }; | 74 }; |
76 | 75 |
77 } // namespace media | 76 } // namespace media |
78 | 77 |
79 #endif // MEDIA_BASE_DATA_SOURCE_H_ | 78 #endif // MEDIA_BASE_DATA_SOURCE_H_ |
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