blob: f64f29258c772142fcddd11fab8dc883350bde54 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/memory_mapped_file.h"
#include "base/macros.h"
#include "media/base/data_source.h"
namespace media {
// Basic data source that treats the URL as a file path, and uses the file
// system to read data for a media pipeline.
class MEDIA_EXPORT FileDataSource : public DataSource {
FileDataSource(const FileDataSource&) = delete;
FileDataSource& operator=(const FileDataSource&) = delete;
~FileDataSource() override;
bool Initialize(const base::FilePath& file_path) WARN_UNUSED_RESULT;
bool Initialize(base::File file) WARN_UNUSED_RESULT;
// Implementation of DataSource.
void Stop() override;
void Abort() override;
void Read(int64_t position,
int size,
uint8_t* data,
DataSource::ReadCB read_cb) override;
bool GetSize(int64_t* size_out) override WARN_UNUSED_RESULT;
bool IsStreaming() override;
void SetBitrate(int bitrate) override;
// Unit test helpers. Recreate the object if you want the default behaviour.
void force_read_errors_for_testing() { force_read_errors_ = true; }
void force_streaming_for_testing() { force_streaming_ = true; }
uint64_t bytes_read_for_testing() { return bytes_read_; }
void reset_bytes_read_for_testing() { bytes_read_ = 0; }
base::MemoryMappedFile file_;
bool force_read_errors_;
bool force_streaming_;
uint64_t bytes_read_;
} // namespace media