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blender-archive/extern/audaspace/include/fx/VolumeReader.h
Joerg Mueller bdbc7e12a0 Audaspace: added audio file streams functionality.
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
2021-09-18 21:45:33 +02:00

70 lines
1.9 KiB
C++

/*******************************************************************************
* Copyright 2015-2016 Juan Francisco Crespo Galán
*
* 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 VolumeReader.h
* @ingroup fx
* The VolumeReader class.
*/
#include "IReader.h"
#include "ISound.h"
#include "VolumeStorage.h"
#include <memory>
AUD_NAMESPACE_BEGIN
/**
* This class represents a reader for a sound that has its own shared volume
*/
class AUD_API VolumeReader : public IReader
{
private:
/**
* The current reader.
*/
std::shared_ptr<IReader> m_reader;
/**
* A sound from which to get the reader.
*/
std::shared_ptr<VolumeStorage> m_volumeStorage;
// delete copy constructor and operator=
VolumeReader(const VolumeReader&) = delete;
VolumeReader& operator=(const VolumeReader&) = delete;
public:
/**
* Creates a new volume reader.
* \param reader A reader of the sound to be assigned to this reader.
* \param volumeStorage A shared pointer to a VolumeStorage object.
*/
VolumeReader(std::shared_ptr<IReader> reader, std::shared_ptr<VolumeStorage> volumeStorage);
virtual bool isSeekable() const;
virtual void seek(int position);
virtual int getLength() const;
virtual int getPosition() const;
virtual Specs getSpecs() const;
virtual void read(int& length, bool& eos, sample_t* buffer);
};
AUD_NAMESPACE_END