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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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA
*/
#ifndef REBUFFER_MODULE_H
#define REBUFFER_MODULE_H
#include "Compiler.h"
#include "Module.h"
class RebufferModule : public Module
{
public:
enum Direction
{
FixedToVariable,
VariableToFixed
};
RebufferModule(Direction, int bytesPerFrame, int numFrames, bool multipleOf);
virtual ~RebufferModule();
virtual const char *name() const OVERRIDE { return "rebuffer"; }
virtual void maxPull() OVERRIDE;
virtual void maxPush() OVERRIDE;
virtual void runPull() OVERRIDE;
virtual void reset1() OVERRIDE;
virtual void reset2() OVERRIDE;
virtual void runPush() OVERRIDE;
virtual void sync1() OVERRIDE;
virtual void sync2() OVERRIDE;
private:
Direction m_direction;
int m_bytesPerFrame;
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
char *m_buffer;
int m_offset;
char *m_savedBuffer;
int m_savedOffset;
void initFixedToVariable();
void initVariableToFixed();
};
#endif // REBUFFER_MODULE_H
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