furnace/src/engine/platform/qsound.h

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _QSOUND_H
#define _QSOUND_H
#include "../dispatch.h"
#include <queue>
#include "../macroInt.h"
#include "sound/qsound.h"
class DivPlatformQSound: public DivDispatch {
struct Channel {
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int freq, baseFreq, pitch, pitch2;
int sample, wave, ins;
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int note;
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int panning;
int echo;
bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, useWave, surround, isNewQSound;
int vol, outVol, resVol;
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DivMacroInt std;
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void macroInit(DivInstrument* which) {
std.init(which);
pitch2=0;
}
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Channel():
freq(0),
baseFreq(0),
pitch(0),
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pitch2(0),
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sample(-1),
ins(-1),
note(0),
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panning(0x10),
echo(0),
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active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
useWave(false),
surround(true),
isNewQSound(false),
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vol(255),
outVol(255),
resVol(4096) {}
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};
Channel chan[19];
DivDispatchOscBuffer* oscBuf[19];
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int echoDelay;
int echoFeedback;
unsigned char* sampleMem;
size_t sampleMemLen;
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struct qsound_chip chip;
unsigned short regPool[512];
unsigned int offPCM[256];
unsigned int offBS[256];
friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivMacroInt* getChanMacroInt(int ch);
DivDispatchOscBuffer* getOscBuffer(int chan);
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unsigned char* getRegisterPool();
int getRegisterPoolSize();
int getRegisterPoolDepth();
void reset();
void forceIns();
void tick(bool sysTick=true);
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void muteChannel(int ch, bool mute);
bool isStereo();
bool keyOffAffectsArp(int ch);
void setFlags(const DivConfig& flags);
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void notifyInsChange(int ins);
void notifyWaveChange(int wave);
void notifyInsDeletion(void* ins);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
const void* getSampleMem(int index = 0);
size_t getSampleMemCapacity(int index = 0);
size_t getSampleMemUsage(int index = 0);
void renderSamples();
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
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void quit();
};
#endif