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
3 // found in the LICENSE file.
5 #ifndef MEDIA_FILTERS_FILE_DATA_SOURCE_H_
6 #define MEDIA_FILTERS_FILE_DATA_SOURCE_H_
10 #include "base/files/file.h"
11 #include "base/files/file_path.h"
12 #include "base/files/memory_mapped_file.h"
13 #include "media/base/data_source.h"
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.
19 class MEDIA_EXPORT FileDataSource
: public DataSource
{
22 explicit FileDataSource(base::File file
);
23 ~FileDataSource() override
;
25 bool Initialize(const base::FilePath
& file_path
);
27 // Implementation of DataSource.
29 void Read(int64 position
,
32 const DataSource::ReadCB
& read_cb
) override
;
33 bool GetSize(int64
* size_out
) override
;
34 bool IsStreaming() override
;
35 void SetBitrate(int bitrate
) override
;
37 // Unit test helpers. Recreate the object if you want the default behaviour.
38 void force_read_errors_for_testing() { force_read_errors_
= true; }
39 void force_streaming_for_testing() { force_streaming_
= true; }
42 base::MemoryMappedFile file_
;
44 bool force_read_errors_
;
45 bool force_streaming_
;
47 DISALLOW_COPY_AND_ASSIGN(FileDataSource
);
52 #endif // MEDIA_FILTERS_FILE_DATA_SOURCE_H_