Joerg Mueller
bdbc7e12a0
On the blender side this commit fixes importing video files with audio and video streams that do not share the same start time and duration. Differential Revision: https://developer.blender.org/D12353
117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
/*******************************************************************************
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* Copyright 2009-2016 Jörg Müller
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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******************************************************************************/
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#pragma once
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/**
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* @file FileManager.h
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* @ingroup file
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* The FileManager class.
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*/
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#include "FileInfo.h"
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#include "respec/Specification.h"
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#include "IWriter.h"
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#include <list>
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#include <memory>
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#include <string>
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#include <vector>
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AUD_NAMESPACE_BEGIN
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class IFileInput;
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class IFileOutput;
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class IReader;
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class Buffer;
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/**
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* The FileManager manages all file input and output plugins.
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*/
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class AUD_API FileManager
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{
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private:
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static std::list<std::shared_ptr<IFileInput>>& inputs();
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static std::list<std::shared_ptr<IFileOutput>>& outputs();
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// delete copy constructor and operator=
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FileManager(const FileManager&) = delete;
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FileManager& operator=(const FileManager&) = delete;
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FileManager() = delete;
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public:
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/**
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* Registers a file input used to create an IReader to read from a file.
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* @param input The IFileInput to register.
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*/
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static void registerInput(std::shared_ptr<IFileInput> input);
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/**
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* Registers a file output used to create an IWriter to write to a file.
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* @param output The IFileOutput to register.
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*/
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static void registerOutput(std::shared_ptr<IFileOutput> output);
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/**
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* Creates a file reader for the given filename if a registed IFileInput is able to read it.
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* @param filename The path to the file.
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* @param stream The index of the audio stream within the file if it contains multiple audio streams.
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* @return The reader created.
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* @exception Exception If no file input can read the file an exception is thrown.
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*/
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static std::shared_ptr<IReader> createReader(std::string filename, int stream = 0);
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/**
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* Creates a file reader for the given buffer if a registed IFileInput is able to read it.
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* @param buffer The buffer to read the file from.
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* @param stream The index of the audio stream within the file if it contains multiple audio streams.
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* @return The reader created.
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* @exception Exception If no file input can read the file an exception is thrown.
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*/
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static std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer, int stream = 0);
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/**
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* Queries the streams of a sound file.
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* \param filename Path to the file to be read.
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* \return A vector with as many streams as there are in the file.
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* \exception Exception Thrown if the file specified cannot be read.
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*/
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static std::vector<StreamInfo> queryStreams(std::string filename);
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/**
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* Queries the streams of a sound file.
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* \param buffer The in-memory file buffer.
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* \return A vector with as many streams as there are in the file.
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* \exception Exception Thrown if the file specified cannot be read.
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*/
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static std::vector<StreamInfo> queryStreams(std::shared_ptr<Buffer> buffer);
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/**
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* Creates a file writer that writes a sound to the given file path.
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* Existing files will be overwritten.
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* @param filename The file path to write to.
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* @param specs The output specification.
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* @param format The container format for the file.
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* @param codec The codec used inside the container.
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* @param bitrate The bitrate to write with.
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* @return A writer that creates the file.
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* @exception Exception If no file output can write the file with the given specification an exception is thrown.
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*/
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static std::shared_ptr<IWriter> createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate);
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};
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AUD_NAMESPACE_END
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