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/*******************************************************************************
* Copyright 2009-2016 Jörg Müller
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#pragma once
/**
* @file FileManager.h
* @ingroup file
* The FileManager class.
*/
#include "respec/Specification.h"
#include "IWriter.h"
#include <list>
#include <memory>
AUD_NAMESPACE_BEGIN
class IFileInput;
class IFileOutput;
class IReader;
class Buffer;
/**
* The FileManager manages all file input and output plugins.
*/
class AUD_API FileManager
{
private:
static std::list<std::shared_ptr<IFileInput>>& inputs();
static std::list<std::shared_ptr<IFileOutput>>& outputs();
// delete copy constructor and operator=
FileManager(const FileManager&) = delete;
FileManager& operator=(const FileManager&) = delete;
FileManager() = delete;
public:
/**
* Registers a file input used to create an IReader to read from a file.
* @param input The IFileInput to register.
*/
static void registerInput(std::shared_ptr<IFileInput> input);
/**
* Registers a file output used to create an IWriter to write to a file.
* @param output The IFileOutput to register.
*/
static void registerOutput(std::shared_ptr<IFileOutput> output);
/**
* Creates a file reader for the given filename if a registed IFileInput is able to read it.
* @param filename The path to the file.
* @return The reader created.
* @exception Exception If no file input can read the file an exception is thrown.
*/
static std::shared_ptr<IReader> createReader(std::string filename);
/**
* Creates a file reader for the given buffer if a registed IFileInput is able to read it.
* @param buffer The buffer to read the file from.
* @return The reader created.
* @exception Exception If no file input can read the file an exception is thrown.
*/
static std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer);
/**
* Creates a file writer that writes a sound to the given file path.
* Existing files will be overwritten.
* @param filename The file path to write to.
* @param specs The output specification.
* @param format The container format for the file.
* @param codec The codec used inside the container.
* @param bitrate The bitrate to write with.
* @return A writer that creates the file.
* @exception Exception If no file output can write the file with the given specification an exception is thrown.
*/
static std::shared_ptr<IWriter> createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate);
};
AUD_NAMESPACE_END
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