furnace/src/engine/platform/pcspkr.h
2023-07-13 04:09:20 -05:00

98 lines
3 KiB
C++

/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2023 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 _PCSPKR_H
#define _PCSPKR_H
#include "../dispatch.h"
#include "../fixedQueue.h"
#include <thread>
#include <mutex>
#include <condition_variable>
class DivPlatformPCSpeaker: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
Channel():
SharedChannel<signed char>(15) {}
};
Channel chan[1];
DivDispatchOscBuffer* oscBuf;
std::thread* realOutThread;
std::mutex realOutSelfLock;
std::condition_variable realOutCond;
bool realOutQuit;
struct RealQueueVal {
int tv_sec, tv_nsec;
unsigned short val;
RealQueueVal():
tv_sec(0),
tv_nsec(0),
val(0) {}
RealQueueVal(int sec, int nsec, unsigned short v):
tv_sec(sec),
tv_nsec(nsec),
val(v) {}
};
FixedQueue<RealQueueVal,2048> realQueue;
std::mutex realQueueLock;
bool isMuted[1];
bool on, flip, lastOn, realOutEnabled;
int pos, speakerType, beepFD, realOutMethod;
float low, band;
float low2, high2, band2;
float low3, band3;
unsigned short freq, lastFreq;
unsigned char regPool[2];
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
void beepFreq(int freq, int delay=0);
void acquire_unfilt(short** buf, size_t len);
void acquire_cone(short** buf, size_t len);
void acquire_piezo(short** buf, size_t len);
void acquire_real(short** buf, size_t len);
public:
void pcSpeakerThread();
void acquire(short** buf, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivMacroInt* getChanMacroInt(int ch);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick(bool sysTick=true);
void muteChannel(int ch, bool mute);
bool keyOffAffectsArp(int ch);
void setFlags(const DivConfig& flags);
void notifyInsDeletion(void* ins);
void notifyPlaybackStop();
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
~DivPlatformPCSpeaker();
};
#endif