69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
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/*
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Audio File Library
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Copyright (C) 2000, Silicon Graphics, Inc.
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Copyright (C) 2010, Michael Pruett <michael@68k.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301 USA
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*/
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#ifndef REBUFFER_MODULE_H
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#define REBUFFER_MODULE_H
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#include "Compiler.h"
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#include "Module.h"
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class RebufferModule : public Module
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{
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public:
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enum Direction
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{
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FixedToVariable,
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VariableToFixed
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};
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RebufferModule(Direction, int bytesPerFrame, int numFrames, bool multipleOf);
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virtual ~RebufferModule();
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virtual const char *name() const OVERRIDE { return "rebuffer"; }
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virtual void maxPull() OVERRIDE;
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virtual void maxPush() OVERRIDE;
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virtual void runPull() OVERRIDE;
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virtual void reset1() OVERRIDE;
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virtual void reset2() OVERRIDE;
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virtual void runPush() OVERRIDE;
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virtual void sync1() OVERRIDE;
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virtual void sync2() OVERRIDE;
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private:
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Direction m_direction;
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int m_bytesPerFrame;
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int m_numFrames;
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bool m_multipleOf; // buffer to multiple of m_numFrames
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bool m_eof; // end of input stream reached
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bool m_sentShortChunk; // end of input stream indicated
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char *m_buffer;
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int m_offset;
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char *m_savedBuffer;
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int m_savedOffset;
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void initFixedToVariable();
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void initVariableToFixed();
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};
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#endif // REBUFFER_MODULE_H
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