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//sorry for the stupid C-like code...
#ifndef QMPMIDIPLAY_H
#define QMPMIDIPLAY_H
#include <cstring>
#include <cstdlib>
#include <condition_variable>
#include <chrono>
#include <mutex>
#include <unordered_map>
#include <tuple>
#include <utility>
#include <vector>
#define QMP_MAIN
#include "qmpcorepublic.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;
uint8_t chstatus[16][130];//0..127: cc 128: pc
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, ct;
std::mutex intmtx;
std::condition_variable intcv;
bool tcstop;
uint32_t finished, resumed;
uint32_t pbr[16], pbv[16];
//playback correction
uint32_t ttick;
std::chrono::high_resolution_clock::time_point ttime;
std::chrono::system_clock::time_point levtt[16];
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::tuple<callback_t, void *, bool>> 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);
void interrupt();
uint32_t isFinished();
bool stopFlag();
void setResumed();
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);
void getPitchBendRaw(int ch, uint32_t *pb, uint32_t *pbr);
const char *getTitle();
const char *getCopyright();
void sendSysX(bool send);
void setChannelPreset(int ch, int b, int p);
void setMute(int ch, bool m);
void setSolo(int ch, bool s);
bool getChannelMask(int ch);
uint16_t getCC(int ch, int id);
void setCC(int ch, int id, int val);
void registerMidiOutDevice(qmpMidiOutDevice *dev, std::string name);
void unregisterMidiOutDevice(std::string name);
std::vector<std::string> getMidiOutDevices();
int getChannelOutput(int ch);
qmpMidiOutDevice *getChannelOutputDevice(int ch);
void setChannelOutput(int ch, int outid);
const std::chrono::system_clock::time_point *getLastEventTS();
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, bool post);
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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