91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _PCM_DAC_H
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#define _PCM_DAC_H
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#include "../dispatch.h"
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#include "../waveSynth.h"
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class DivPlatformPCMDAC: public DivDispatch {
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struct Channel: public SharedChannel<int> {
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bool audDir;
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unsigned int audLoc;
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unsigned short audLen;
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short audDat[8];
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int audPos;
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int audSub;
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int sample, wave;
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int panL, panR;
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bool useWave, setPos;
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int envVol;
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DivWaveSynth ws;
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Channel():
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SharedChannel<int>(255),
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audDir(false),
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audLoc(0),
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audLen(0),
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audDat{0,0,0,0,0,0,0,0},
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audPos(0),
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audSub(0),
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sample(-1),
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wave(-1),
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panL(255),
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panR(255),
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useWave(false),
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setPos(false),
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envVol(64) {}
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};
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Channel chan[1];
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DivDispatchOscBuffer* oscBuf;
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bool isMuted;
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int outDepth;
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// valid values:
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// - 0: none
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// - 1: linear
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// - 2: cubic spline
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// - 3: sinc
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int interp;
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bool outStereo;
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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public:
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void acquire(short** buf, size_t len);
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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DivDispatchOscBuffer* getOscBuffer(int chan);
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void reset();
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void forceIns();
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void tick(bool sysTick=true);
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void muteChannel(int ch, bool mute);
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int getOutputCount();
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DivMacroInt* getChanMacroInt(int ch);
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DivSamplePos getSamplePos(int ch);
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void setFlags(const DivConfig& flags);
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void notifyInsChange(int ins);
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void notifyWaveChange(int wave);
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void notifyInsDeletion(void* ins);
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int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
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void quit();
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};
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#endif
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