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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/gtest_prod_util.h" | 10 #include "base/gtest_prod_util.h" |
11 #include "base/synchronization/lock.h" | 11 #include "base/synchronization/lock.h" |
12 #include "media/base/filters.h" | 12 #include "media/base/filters.h" |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 // Basic data source that treats the URL as a file path, and uses the file | 16 // Basic data source that treats the URL as a file path, and uses the file |
17 // system to read data for a media pipeline. | 17 // system to read data for a media pipeline. |
18 class FileDataSource : public DataSource { | 18 class FileDataSource : public DataSource { |
19 public: | 19 public: |
20 FileDataSource(); | 20 FileDataSource(); |
21 virtual ~FileDataSource(); | 21 virtual ~FileDataSource(); |
22 | 22 |
23 PipelineError Initialize(const std::string& url); | 23 PipelineStatus Initialize(const std::string& url); |
24 | 24 |
25 // Implementation of Filter. | 25 // Implementation of Filter. |
26 virtual void set_host(FilterHost* filter_host); | 26 virtual void set_host(FilterHost* filter_host); |
27 virtual void Stop(FilterCallback* callback); | 27 virtual void Stop(FilterCallback* callback); |
28 | 28 |
29 // Implementation of DataSource. | 29 // Implementation of DataSource. |
30 virtual const MediaFormat& media_format(); | 30 virtual const MediaFormat& media_format(); |
31 virtual void Read(int64 position, size_t size, uint8* data, | 31 virtual void Read(int64 position, size_t size, uint8* data, |
32 ReadCallback* read_callback); | 32 ReadCallback* read_callback); |
33 virtual bool GetSize(int64* size_out); | 33 virtual bool GetSize(int64* size_out); |
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57 // that we will block for a short period of time in reads. Otherwise, we can | 57 // that we will block for a short period of time in reads. Otherwise, we can |
58 // hang the pipeline Stop. | 58 // hang the pipeline Stop. |
59 base::Lock lock_; | 59 base::Lock lock_; |
60 | 60 |
61 DISALLOW_COPY_AND_ASSIGN(FileDataSource); | 61 DISALLOW_COPY_AND_ASSIGN(FileDataSource); |
62 }; | 62 }; |
63 | 63 |
64 } // namespace media | 64 } // namespace media |
65 | 65 |
66 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_ | 66 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_ |
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