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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*
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Audio File Library
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Copyright (C) 2013 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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// BlockCodec is a base class for codecs with fixed-size packets.
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#ifndef BlockCodec_h
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#define BlockCodec_h
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#include "Compiler.h"
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#include "FileModule.h"
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class BlockCodec : public FileModule
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{
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public:
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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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protected:
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int m_bytesPerPacket, m_framesPerPacket;
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AFframecount m_framesToIgnore;
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AFfileoffset m_savedPositionNextFrame;
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AFframecount m_savedNextFrame;
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BlockCodec(Mode, Track *, File *, bool canSeek);
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virtual int decodeBlock(const uint8_t *encoded, int16_t *decoded) = 0;
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virtual int encodeBlock(const int16_t *decoded, uint8_t *encoded) = 0;
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};
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#endif
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