forked from bartvdbraak/blender
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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/*
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* $Id$
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*
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* ***** BEGIN LGPL LICENSE BLOCK *****
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*
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* Copyright 2009 Jörg Hermann Müller
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*
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* This file is part of AudaSpace.
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*
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* AudaSpace is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
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*
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* ***** END LGPL LICENSE BLOCK *****
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*/
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#ifndef AUD_ACCUMULATORREADER
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#define AUD_ACCUMULATORREADER
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#include "AUD_EffectReader.h"
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class AUD_Buffer;
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/**
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* This class represents an accumulator.
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*/
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class AUD_AccumulatorReader : public AUD_EffectReader
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{
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private:
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/**
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* The playback buffer.
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*/
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AUD_Buffer *m_buffer;
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/**
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* The sums of the specific channels.
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*/
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AUD_Buffer *m_sums;
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/**
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* The previous results of the specific channels.
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*/
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AUD_Buffer *m_prevs;
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/**
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* Whether the accumulator is additive.
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*/
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bool m_additive;
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public:
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/**
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* Creates a new accumulator reader.
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* \param reader The reader to read from.
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* \param additive Whether the accumulator is additive.
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* \exception AUD_Exception Thrown if the reader specified is NULL.
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*/
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AUD_AccumulatorReader(AUD_IReader* reader, bool additive);
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/**
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* Destroys the reader.
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*/
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virtual ~AUD_AccumulatorReader();
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virtual void read(int & length, sample_t* & buffer);
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};
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#endif //AUD_ACCUMULATORREADER
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