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//sorry for the stupid C-like code...
#ifndef QMPMIDIPLAY_H
#define QMPMIDIPLAY_H
#include <cstring>
#include <cstdlib>
#include <chrono>
#include <unordered_map>
#include <utility>
#include <vector>
#define QMP_MAIN
#include "../include/qmpcorepublic.hpp"
#include "qmpmidioutrtmidi.hpp"
#include "qmpmidioutfluid.hpp"
class CMidiPlayer;
class CSMFReader:public qmpFileReader
{
private:
CMidiFile* ret;
CMidiTrack* curTrack;
uint32_t fmt,trk;
FILE *f;
bool eventdiscarded;
uint32_t byteread,curt,curid;
void error(int fatal,const char* format,...);
uint8_t read_u8();
uint16_t read_u16();
uint32_t read_u32();
uint32_t read_varlen();
int read_event();
void read_track();
void read_header();
uint32_t read_chunk(int is_header);
public:
CSMFReader();
~CSMFReader();
CMidiFile* readFile(const char* fn);
void discardCurrentEvent();
void commitEventChange(SEvent d);
};
class CMidiFileReaderCollection{
private:
std::vector<std::pair<qmpFileReader*,std::string>> readers;
qmpFileReader* currentReader;
public:
CMidiFileReaderCollection();
~CMidiFileReaderCollection();
void registerReader(qmpFileReader* reader,std::string name);
void unregisterReader(std::string name);
CMidiFile* readFile(const char* fn);
qmpFileReader* getCurrentReader();
};
class CMidiPlayer
{
friend class CMidiFileReaderCollection;
private:
CMidiFileReaderCollection *midiReaders;
CMidiFile* midiFile;
std::vector<std::pair<size_t,size_t>> eorder;
uint32_t stamps[101],notes,ecnt,maxtk;
uint32_t ccstamps[101][16][135],ccc[16][135];
//0..127:cc 128:pc 129:cp 130:pb 131:tempo 132:ts 133:ks 134:pbr
int32_t rpnid[16],rpnval[16];
uint16_t mute,solo;
double ftime;
bool sendSysEx,waitvoice;
uint8_t chstate[16],chstatus[16][130];//0..127: cc 128: pc
qmpMidiOutFluid* internalFluid;
uint32_t ctempo,ctsn,ctsd,divs,cks;
double dpt;//time per tick
//raw tempo, timesig num., timesig den., division, keysig
//thread control
uint32_t tceptr,tcpaused,tcstop,ct;
uint32_t finished,resumed;
uint32_t pbr[16],pbv[16];
//playback correction
uint32_t ttick;
std::chrono::high_resolution_clock::time_point ttime;
struct SMidiDev
{
std::string name;
qmpMidiOutDevice* dev;
int refcnt;
};
std::vector<SMidiDev> mididev;
int mappedoutput[16];
ICallBack* eventHandlerCB[16];
ICallBack* eventReaderCB[16];
ICallBack* fileReadFinishCB[16];
void* eventHandlerCBuserdata[16];
void* eventReaderCBuserdata[16];
void* fileReadFinishCBuserdata[16];
std::unordered_map<int,std::pair<callback_t,void*>> event_handlers;
std::unordered_map<int,std::pair<callback_t,void*>> event_read_handlers;
std::unordered_map<int,std::pair<callback_t,void*>> file_read_finish_hooks;
int event_handlers_id,event_read_handlers_id,file_read_finish_hooks_id;
static CMidiPlayer* ref;
SEvent *getEvent(uint32_t id);
void dumpFile();
void setBit(uint16_t &n,uint16_t bn,uint16_t b);
bool processEvent(const SEvent *e);
void processEventStub(const SEvent *e);
void prePlayInit();
void playEvents();
void fileTimer1Pass();
void fileTimer2Pass();
public:
CMidiPlayer();
~CMidiPlayer();
bool playerLoadFile(const char* fn);
void playerInit();
void playerDeinit();
void playerThread();
void playerPanic(bool reset=false);
//playing control methods
uint32_t getStamp(int id);
uint32_t getTCeptr();
void setTCeptr(uint32_t ep,uint32_t st);
uint32_t getTCpaused();
void setTCpaused(uint32_t ps);
uint32_t isFinished();
void setResumed();
void setWaitVoice(bool wv);
double getFtime();
void getCurrentTimeSignature(int *n,int *d);
int getCurrentKeySignature();
uint32_t getFileNoteCount();
uint32_t getFileStandard();
double getTempo();
uint32_t getTick();
uint32_t getRawTempo();
uint32_t getDivision();
uint32_t getMaxTick();
double getPitchBend(int ch);
const char* getTitle();
const char* getCopyright();
void sendSysX(bool send);
void setChannelPreset(int ch,int b,int p);
void getChannelPreset(int ch,int *b,int *p,char *name);
void setMute(int ch,bool m);
void setSolo(int ch,bool s);
bool getChannelMask(int ch);
int getCC(int ch,int id);
void setCC(int ch,int id,int val);
qmpMidiOutFluid* fluid();
void registerMidiOutDevice(qmpMidiOutDevice* dev,std::string name);
void unregisterMidiOutDevice(std::string name);
std::vector<std::string> getMidiOutDevices();
int getChannelOutput(int ch);
void setChannelOutput(int ch,int outid);
uint8_t* getChstates();
int setEventHandlerCB(ICallBack *cb,void *userdata);
void unsetEventHandlerCB(int id);
int setEventReaderCB(ICallBack *cb,void *userdata);
void unsetEventReaderCB(int id);
int setFileReadFinishedCB(ICallBack *cb,void *userdata);
void unsetFileReadFinishedCB(int id);
int registerEventHandler(callback_t cb,void *userdata);
void unregisterEventHandler(int id);
int registerEventReadHandler(callback_t cb,void *userdata);
void unregisterEventReadHandler(int id);
int registerFileReadFinishHook(callback_t cb,void *userdata);
void unregisterFileReadFinishHook(int id);
void registerReader(qmpFileReader* reader,std::string name);
void unregisterReader(std::string name);
void callEventReaderCB(SEvent d);
void discardCurrentEvent();
void commitEventChange(SEvent d);
static CMidiPlayer* getInstance();
};
#endif
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