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/*
* libADLMIDI is a free MIDI to WAV conversion library with OPL3 emulation
*
* Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
* ADLMIDI Library API: Copyright (c) 2016 Vitaly Novichkov <admin@wohlnet.ru>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef ADLMIDI_H
#define ADLMIDI_H
#ifdef __cplusplus
extern "C" {
#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
{
unsigned int AdlBank;
unsigned int NumFourOps;
unsigned int NumCards;
unsigned int HighTremoloMode;
unsigned int HighVibratoMode;
unsigned int AdlPercussionMode;
unsigned int LogarithmicVolumes;
int VolumeModel;
unsigned int QuitFlag;
unsigned int SkipForward;
unsigned int QuitWithoutLooping;
unsigned int ScaleModulators;
double delay;
double carry;
// The lag between visual content and audio content equals
// the sum of these two buffers.
double mindelay;
double maxdelay;
/*For internal usage*/
int stored_samples; //num of collected samples
short backup_samples[1024]; //Backup sample storage.
int backup_samples_size; //Backup sample storage.
/*For internal usage*/
void *adl_midiPlayer;
unsigned long PCM_RATE;
};
/* Sets number of emulated sound cards (from 1 to 100). Emulation of multiple sound cards exchanges polyphony limits*/
extern int adl_setNumCards(struct ADL_MIDIPlayer *device, int numCards);
/* Sets a number of the patches bank from 0 to N banks */
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-chan operators*/
extern int adl_setNumFourOpsChn(struct ADL_MIDIPlayer *device, int ops4);
/*Enable or disable AdLib percussion mode*/
extern void adl_setPercMode(struct ADL_MIDIPlayer *device, int percmod);
/*Enable or disable deep vibrato*/
extern void adl_setHVibrato(struct ADL_MIDIPlayer *device, int hvibro);
/*Enable or disable deep tremolo*/
extern void adl_setHTremolo(struct ADL_MIDIPlayer *device, int htremo);
/*Enable or disable Enables 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);
/*Returns string which contains last error message*/
extern const char *adl_errorString();
/*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, char *filePath);
/*Load MIDI file from memory data*/
extern int adl_openData(struct ADL_MIDIPlayer *device, void *mem, long size);
/*Resets MIDI player*/
extern void adl_reset(struct ADL_MIDIPlayer *device);
/*Close and delete ADLMIDI device*/
extern void adl_close(struct ADL_MIDIPlayer *device);
/*Take a sample buffer*/
extern int adl_play(struct ADL_MIDIPlayer *device, int sampleCount, short out[]);
#ifdef __cplusplus
}
#endif
#endif // ADLMIDI_H
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