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/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SDLMIXER
#define AUD_SDLMIXER
#include "AUD_IMixer.h"
class AUD_SDLMixerFactory;
#include <list>
struct AUD_SDLMixerBuffer
{
sample_t* buffer;
int length;
float volume;
};
/**
* This class is able to mix audiosignals with the help of SDL.
*/
class AUD_SDLMixer : public AUD_IMixer
{
private:
/**
* The mixer factory that prepares all readers for superposition.
*/
AUD_SDLMixerFactory* m_factory;
/**
* The list of buffers to superpose.
*/
std::list<AUD_SDLMixerBuffer> m_buffers;
/**
* The size of an output sample.
*/
int m_samplesize;
public:
/**
* Creates the mixer.
*/
AUD_SDLMixer();
virtual ~AUD_SDLMixer();
virtual AUD_IReader* prepare(AUD_IReader* reader);
virtual void setSpecs(AUD_Specs specs);
virtual void add(sample_t* buffer, AUD_Specs specs, int length,
float volume);
virtual void superpose(sample_t* buffer, int length, float volume);
};
#endif //AUD_SDLMIXER
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