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/*
Audio File Library
Copyright (C) 2000, Silicon Graphics, Inc.
Copyright (C) 2010, Michael Pruett <michael@68k.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307 USA.
*/
#ifndef REBUFFER_MODULE_H
#define REBUFFER_MODULE_H
#include "Module.h"
#include "ScopedArray.h"
class RebufferModule : public Module
{
public:
enum Direction
{
FixedToVariable,
VariableToFixed
};
RebufferModule(Direction, int channelCount, int numFrames, bool multipleOf);
virtual const char *name() const { return "rebuffer"; }
virtual void maxPull();
virtual void maxPush();
virtual void runPull();
virtual void reset1();
virtual void reset2();
virtual void runPush();
virtual void sync1();
virtual void sync2();
private:
typedef int16_t element_type;
Direction m_direction;
int m_channelCount;
int m_numFrames;
bool m_multipleOf; // buffer to multiple of m_numFrames
bool m_eof; // end of input stream reached
bool m_sentShortChunk; // end of input stream indicated
ScopedArray<element_type> m_buffer;
int m_offset;
ScopedArray<element_type> m_savedBuffer;
int m_savedOffset;
void initFixedToVariable();
void initVariableToFixed();
};
#endif // REBUFFER_MODULE_H
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