/* * libADLMIDI is a free MIDI to WAV conversion library with OPL3 emulation * * Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma * ADLMIDI Library API: Copyright (c) 2015-2018 Vitaly Novichkov * * Library is based on the ADLMIDI, a MIDI player for Linux and Windows with OPL3 emulation: * http://iki.fi/bisqwit/source/adlmidi.html * * 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 3 of the License, or * 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, see . */ #ifndef ADLMIDI_H #define ADLMIDI_H #ifdef __cplusplus extern "C" { #endif #define ADLMIDI_VERSION_MAJOR 1 #define ADLMIDI_VERSION_MINOR 3 #define ADLMIDI_VERSION_PATCHLEVEL 2 #define ADLMIDI_TOSTR(s) #s #define ADLMIDI_VERSION \ ADLMIDI_TOSTR(OPNMIDI_VERSION_MAJOR) "." \ ADLMIDI_TOSTR(OPNMIDI_VERSION_MINOR) "." \ ADLMIDI_TOSTR(OPNMIDI_VERSION_PATCHLEVEL) #include #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) #include typedef uint8_t ADL_UInt8; typedef uint16_t ADL_UInt16; typedef int8_t ADL_SInt8; typedef int16_t ADL_SInt16; #else typedef unsigned char ADL_UInt8; typedef unsigned short ADL_UInt16; typedef char ADL_SInt8; typedef short ADL_SInt16; #endif enum ADLMIDI_VolumeModels { ADLMIDI_VolumeModel_AUTO = 0, ADLMIDI_VolumeModel_Generic, ADLMIDI_VolumeModel_CMF, ADLMIDI_VolumeModel_DMX, ADLMIDI_VolumeModel_APOGEE, ADLMIDI_VolumeModel_9X }; struct ADL_MIDIPlayer { void *adl_midiPlayer; }; /* DEPRECATED */ #define adl_setNumCards adl_setNumChips /* Sets number of emulated chips (from 1 to 100). Emulation of multiple chips exchanges polyphony limits*/ extern int adl_setNumChips(struct ADL_MIDIPlayer *device, int numCards); /* Get current number of emulated chips */ extern int adl_getNumChips(struct ADL_MIDIPlayer *device); /* Sets a number of the patches bank from 0 to N banks. Is recommended to call adl_reset() to apply changes to already-loaded file player or real-time. */ extern int adl_setBank(struct ADL_MIDIPlayer *device, int bank); /* Returns total number of available banks */ extern int adl_getBanksCount(); /* Returns pointer to array of names of every bank */ extern const char *const *adl_getBankNames(); /*Sets number of 4-operator channels between all chips. By default, it is automatically re-calculating every bank change. If you want to specify custom number of four operator channels, please call this function after bank change (adl_setBank() or adl_openBank()), otherwise, value will be overwritten by auto-calculated.*/ extern int adl_setNumFourOpsChn(struct ADL_MIDIPlayer *device, int ops4); /*Get current total count of 4-operator channels between all chips*/ extern int adl_getNumFourOpsChn(struct ADL_MIDIPlayer *device); /*Override Enable(1) or Disable(0) AdLib percussion mode. -1 - use bank default AdLib percussion mode*/ extern void adl_setPercMode(struct ADL_MIDIPlayer *device, int percmod); /*Override Enable(1) or Disable(0) deep vibrato state. -1 - use bank default vibrato state*/ extern void adl_setHVibrato(struct ADL_MIDIPlayer *device, int hvibro); /*Override Enable(1) or Disable(0) deep tremolo state. -1 - use bank default tremolo state*/ extern void adl_setHTremolo(struct ADL_MIDIPlayer *device, int htremo); /*Override Enable(1) or Disable(0) scaling of modulator volumes. -1 - use bank default scaling of modulator volumes*/ extern void adl_setScaleModulators(struct ADL_MIDIPlayer *device, int smod); /*Enable or disable built-in loop (built-in loop supports 'loopStart' and 'loopEnd' tags to loop specific part)*/ extern void adl_setLoopEnabled(struct ADL_MIDIPlayer *device, int loopEn); /*Enable or disable Logariphmic volume changer */ extern void adl_setLogarithmicVolumes(struct ADL_MIDIPlayer *device, int logvol); /*Set different volume range model */ extern void adl_setVolumeRangeModel(struct ADL_MIDIPlayer *device, int volumeModel); /*Load WOPL bank file from File System. Is recommended to call adl_reset() to apply changes to already-loaded file player or real-time.*/ extern int adl_openBankFile(struct ADL_MIDIPlayer *device, const char *filePath); /*Load WOPL bank file from memory data*/ extern int adl_openBankData(struct ADL_MIDIPlayer *device, const void *mem, unsigned long size); /*Returns name of currently used OPL3 emulator*/ extern const char *adl_emulatorName(); typedef struct { ADL_UInt16 major; ADL_UInt16 minor; ADL_UInt16 patch; } ADL_Version; /*Returns string which contains a version number*/ extern const char *adl_linkedLibraryVersion(); /*Returns structure which contains a version number of library */ extern const ADL_Version *adl_linkedVersion(); /*Returns string which contains last error message of initialization*/ extern const char *adl_errorString(); /*Returns string which contains last error message on specific device*/ extern const char *adl_errorInfo(struct ADL_MIDIPlayer *device); /*Initialize ADLMIDI Player device*/ extern struct ADL_MIDIPlayer *adl_init(long sample_rate); /*Load MIDI file from File System*/ extern int adl_openFile(struct ADL_MIDIPlayer *device, const char *filePath); /*Load MIDI file from memory data*/ extern int adl_openData(struct ADL_MIDIPlayer *device, const void *mem, unsigned long size); /*Resets MIDI player*/ extern void adl_reset(struct ADL_MIDIPlayer *device); /*Get total time length of current song*/ extern double adl_totalTimeLength(struct ADL_MIDIPlayer *device); /*Get loop start time if presented. -1 means MIDI file has no loop points */ extern double adl_loopStartTime(struct ADL_MIDIPlayer *device); /*Get loop end time if presented. -1 means MIDI file has no loop points */ extern double adl_loopEndTime(struct ADL_MIDIPlayer *device); /*Get current time position in seconds*/ extern double adl_positionTell(struct ADL_MIDIPlayer *device); /*Jump to absolute time position in seconds*/ extern void adl_positionSeek(struct ADL_MIDIPlayer *device, double seconds); /*Reset MIDI track position to begin */ extern void adl_positionRewind(struct ADL_MIDIPlayer *device); /*Set tempo multiplier: 1.0 - original tempo, >1 - play faster, <1 - play slower */ extern void adl_setTempo(struct ADL_MIDIPlayer *device, double tempo); /*Close and delete ADLMIDI device*/ extern void adl_close(struct ADL_MIDIPlayer *device); /**META**/ /*Returns string which contains a music title*/ extern const char *adl_metaMusicTitle(struct ADL_MIDIPlayer *device); /*Returns string which contains a copyright string*/ extern const char *adl_metaMusicCopyright(struct ADL_MIDIPlayer *device); /*Returns count of available track titles: NOTE: there are CAN'T be associated with channel in any of event or note hooks */ extern size_t adl_metaTrackTitleCount(struct ADL_MIDIPlayer *device); /*Get track title by index*/ extern const char *adl_metaTrackTitle(struct ADL_MIDIPlayer *device, size_t index); struct Adl_MarkerEntry { const char *label; double pos_time; unsigned long pos_ticks; }; /*Returns count of available markers*/ extern size_t adl_metaMarkerCount(struct ADL_MIDIPlayer *device); /*Returns the marker entry*/ extern struct Adl_MarkerEntry adl_metaMarker(struct ADL_MIDIPlayer *device, size_t index); /*Take a sample buffer and iterate MIDI timers */ extern int adl_play(struct ADL_MIDIPlayer *device, int sampleCount, short out[]); /*Generate audio output from chip emulators without iteration of MIDI timers.*/ extern int adl_generate(struct ADL_MIDIPlayer *device, int sampleCount, short *out); /** * @brief Periodic tick handler. * @param device * @param seconds seconds since last call * @param granularity don't expect intervals smaller than this, in seconds * @return desired number of seconds until next call * * Use it for Hardware OPL3 mode or when you want to process events differently from adl_play() function. * DON'T USE IT TOGETHER WITH adl_play()!!! */ extern double adl_tickEvents(struct ADL_MIDIPlayer *device, double seconds, double granuality); /*Returns 1 if music position has reached end*/ extern int adl_atEnd(struct ADL_MIDIPlayer *device); /**RealTime**/ /*Force Off all notes on all channels*/ extern void adl_panic(struct ADL_MIDIPlayer *device); /*Reset states of all controllers on all MIDI channels*/ extern void adl_rt_resetState(struct ADL_MIDIPlayer *device); /*Turn specific MIDI note ON*/ extern int adl_rt_noteOn(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 note, ADL_UInt8 velocity); /*Turn specific MIDI note OFF*/ extern void adl_rt_noteOff(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 note); /*Set note after-touch*/ extern void adl_rt_noteAfterTouch(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 note, ADL_UInt8 atVal); /*Set channel after-touch*/ extern void adl_rt_channelAfterTouch(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 atVal); /*Apply controller change*/ extern void adl_rt_controllerChange(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 type, ADL_UInt8 value); /*Apply patch change*/ extern void adl_rt_patchChange(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 patch); /*Apply pitch bend change*/ extern void adl_rt_pitchBend(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt16 pitch); /*Apply pitch bend change*/ extern void adl_rt_pitchBendML(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 msb, ADL_UInt8 lsb); /*Change LSB of the bank*/ extern void adl_rt_bankChangeLSB(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 lsb); /*Change MSB of the bank*/ extern void adl_rt_bankChangeMSB(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_UInt8 msb); /*Change bank by absolute signed value*/ extern void adl_rt_bankChange(struct ADL_MIDIPlayer *device, ADL_UInt8 channel, ADL_SInt16 bank); /**Hooks**/ typedef void (*ADL_RawEventHook)(void *userdata, ADL_UInt8 type, ADL_UInt8 subtype, ADL_UInt8 channel, const ADL_UInt8 *data, size_t len); typedef void (*ADL_NoteHook)(void *userdata, int adlchn, int note, int ins, int pressure, double bend); typedef void (*ADL_DebugMessageHook)(void *userdata, const char *fmt, ...); /* Set raw MIDI event hook */ extern void adl_setRawEventHook(struct ADL_MIDIPlayer *device, ADL_RawEventHook rawEventHook, void *userData); /* Set note hook */ extern void adl_setNoteHook(struct ADL_MIDIPlayer *device, ADL_NoteHook noteHook, void *userData); /* Set debug message hook */ extern void adl_setDebugMessageHook(struct ADL_MIDIPlayer *device, ADL_DebugMessageHook debugMessageHook, void *userData); #ifdef __cplusplus } #endif #endif /* ADLMIDI_H */