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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/data_source.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 MEDIA_EXPORT FileDataSource : public DataSource { | 18 class MEDIA_EXPORT FileDataSource : public DataSource { |
19 public: | 19 public: |
20 FileDataSource(); | 20 FileDataSource(); |
21 FileDataSource(bool disable_file_size); | 21 FileDataSource(bool disable_file_size); |
22 virtual ~FileDataSource(); | 22 virtual ~FileDataSource(); |
23 | 23 |
24 PipelineStatus Initialize(const std::string& url); | 24 PipelineStatus Initialize(const std::string& url); |
25 | 25 |
26 // Implementation of Filter. | 26 // Implementation of DataSource. |
27 virtual void set_host(FilterHost* filter_host) OVERRIDE; | 27 virtual void set_host(DataSourceHost* host) OVERRIDE; |
28 virtual void Stop(const base::Closure& callback) OVERRIDE; | 28 virtual void Stop(const base::Closure& callback) OVERRIDE; |
29 | |
30 // Implementation of DataSource. | |
31 virtual void Read(int64 position, size_t size, uint8* data, | 29 virtual void Read(int64 position, size_t size, uint8* data, |
32 const DataSource::ReadCallback& read_callback) OVERRIDE; | 30 const DataSource::ReadCallback& read_callback) OVERRIDE; |
33 virtual bool GetSize(int64* size_out) OVERRIDE; | 31 virtual bool GetSize(int64* size_out) OVERRIDE; |
34 virtual bool IsStreaming() OVERRIDE; | 32 virtual bool IsStreaming() OVERRIDE; |
35 virtual void SetPreload(Preload preload) OVERRIDE; | 33 virtual void SetPreload(Preload preload) OVERRIDE; |
36 virtual void SetBitrate(int bitrate) OVERRIDE; | 34 virtual void SetBitrate(int bitrate) OVERRIDE; |
37 | 35 |
38 private: | 36 private: |
39 // Only allow factories and tests to create this object. | 37 // Only allow factories and tests to create this object. |
40 // | 38 // |
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63 // that we will block for a short period of time in reads. Otherwise, we can | 61 // that we will block for a short period of time in reads. Otherwise, we can |
64 // hang the pipeline Stop. | 62 // hang the pipeline Stop. |
65 base::Lock lock_; | 63 base::Lock lock_; |
66 | 64 |
67 DISALLOW_COPY_AND_ASSIGN(FileDataSource); | 65 DISALLOW_COPY_AND_ASSIGN(FileDataSource); |
68 }; | 66 }; |
69 | 67 |
70 } // namespace media | 68 } // namespace media |
71 | 69 |
72 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_ | 70 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_ |
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