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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); |
| (...skipping 23 matching lines...) Expand all Loading... |
| 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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