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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_FILTERS_FILE_DATA_SOURCE_H_ | 5 #ifndef MEDIA_FILTERS_FILE_DATA_SOURCE_H_ |
6 #define MEDIA_FILTERS_FILE_DATA_SOURCE_H_ | 6 #define MEDIA_FILTERS_FILE_DATA_SOURCE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/files/file.h" | 10 #include "base/files/file.h" |
11 #include "base/files/file_path.h" | 11 #include "base/files/file_path.h" |
12 #include "base/files/memory_mapped_file.h" | 12 #include "base/files/memory_mapped_file.h" |
13 #include "media/base/data_source.h" | 13 #include "media/base/data_source.h" |
14 | 14 |
15 namespace media { | 15 namespace media { |
16 | 16 |
17 // Basic data source that treats the URL as a file path, and uses the file | 17 // Basic data source that treats the URL as a file path, and uses the file |
18 // system to read data for a media pipeline. | 18 // system to read data for a media pipeline. |
19 class MEDIA_EXPORT FileDataSource : public DataSource { | 19 class MEDIA_EXPORT FileDataSource : public DataSource { |
20 public: | 20 public: |
21 FileDataSource(); | 21 FileDataSource(); |
22 explicit FileDataSource(base::File file); | 22 explicit FileDataSource(base::File file); |
23 virtual ~FileDataSource(); | 23 virtual ~FileDataSource(); |
24 | 24 |
25 bool Initialize(const base::FilePath& file_path); | 25 bool Initialize(const base::FilePath& file_path); |
26 | 26 |
27 // Implementation of DataSource. | 27 // Implementation of DataSource. |
28 virtual void Stop() OVERRIDE; | 28 virtual void Stop() override; |
29 virtual void Read(int64 position, int size, uint8* data, | 29 virtual void Read(int64 position, int size, uint8* data, |
30 const DataSource::ReadCB& read_cb) OVERRIDE; | 30 const DataSource::ReadCB& read_cb) override; |
31 virtual bool GetSize(int64* size_out) OVERRIDE; | 31 virtual bool GetSize(int64* size_out) override; |
32 virtual bool IsStreaming() OVERRIDE; | 32 virtual bool IsStreaming() override; |
33 virtual void SetBitrate(int bitrate) OVERRIDE; | 33 virtual void SetBitrate(int bitrate) override; |
34 | 34 |
35 // Unit test helpers. Recreate the object if you want the default behaviour. | 35 // Unit test helpers. Recreate the object if you want the default behaviour. |
36 void force_read_errors_for_testing() { force_read_errors_ = true; } | 36 void force_read_errors_for_testing() { force_read_errors_ = true; } |
37 void force_streaming_for_testing() { force_streaming_ = true; } | 37 void force_streaming_for_testing() { force_streaming_ = true; } |
38 | 38 |
39 private: | 39 private: |
40 base::MemoryMappedFile file_; | 40 base::MemoryMappedFile file_; |
41 | 41 |
42 bool force_read_errors_; | 42 bool force_read_errors_; |
43 bool force_streaming_; | 43 bool force_streaming_; |
44 | 44 |
45 DISALLOW_COPY_AND_ASSIGN(FileDataSource); | 45 DISALLOW_COPY_AND_ASSIGN(FileDataSource); |
46 }; | 46 }; |
47 | 47 |
48 } // namespace media | 48 } // namespace media |
49 | 49 |
50 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_ | 50 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_ |
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