/*

TiMidity -- Experimental MIDI to WAVE converter

Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>

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., 675 Mass Ave, Cambridge, MA 02139, USA.

instrum.h

*/

typedef struct {

int32

loop_start, loop_end, data_length,

sample_rate, low_freq, high_freq, root_freq;

uint8

root_tune, fine_tune;

envelope_rate[7], envelope_offset[7],

modulation_rate[7], modulation_offset[7];

FLOAT_T

volume, resonance,

modEnvToFilterFc, modEnvToPitch, modLfoToFilterFc;

sample_t *data;

int32

tremolo_sweep_increment, tremolo_phase_increment,

lfo_sweep_increment, lfo_phase_increment,

vibrato_sweep_increment, vibrato_control_ratio,

cutoff_freq;

tremolo_depth, vibrato_depth,

modes;

uint8

attenuation, freq_center;

panning, note_to_use, exclusiveClass;

int16

scale_tuning, keyToModEnvHold, keyToModEnvDecay,

keyToVolEnvHold, keyToVolEnvDecay;

int32

freq_scale, vibrato_delay;

} Sample;

/* Bits in modes: */

#define MODES_16BIT (1<<0)

#define MODES_UNSIGNED (1<<1)

#define MODES_LOOPING (1<<2)

#define MODES_PINGPONG (1<<3)

#define MODES_REVERSE (1<<4)

#define MODES_SUSTAIN (1<<5)

#define MODES_ENVELOPE (1<<6)

typedef struct {

int samples;

Sample *sample;

} Instrument;

#endif

#define INST_GUS 0

#define INST_SF2 1

typedef struct {

int type;

int samples;

Sample *sample;

int left_samples;

Sample *left_sample;

int right_samples;

Sample *right_sample;

unsigned char *contents;

} Instrument;

typedef struct _InstrumentLayer {

uint8 lo, hi;

int size;

struct _InstrumentLayer *next;

} InstrumentLayer;

struct cfg_type {

int font_code;

int num;

const char *name;

};

#define FONT_NORMAL 0

#define FONT_FFF 1

#define FONT_SBK 2

#define FONT_TONESET 3

#define FONT_DRUMSET 4

#define FONT_PRESET 5

typedef struct {

char *name;

InstrumentLayer *layer;

int font_type, sf_ix, last_used, tuning;

int note, amp, pan, strip_loop, strip_envelope, strip_tail;

} ToneBankElement;

#if 0

typedef struct {

char *name;

Instrument *instrument;

int note, amp, pan, strip_loop, strip_envelope, strip_tail;

} ToneBankElement;

#endif

/* A hack to delay instrument loading until after reading the

entire MIDI file. */

#define MAXPROG 128

#define MAXBANK 130

#define SFXBANK (MAXBANK-1)

#define SFXDRUM1 (MAXBANK-2)

#define SFXDRUM2 (MAXBANK-1)

#define XGDRUM 1

#if 0

typedef struct {

ToneBankElement tone[128];

} ToneBank;

#endif

typedef struct {

char *name;

ToneBankElement tone[MAXPROG];

} ToneBank;

extern char *sf_file;

extern ToneBank *tonebank[], *drumset[];

#endif

extern InstrumentLayer *default_instrument;

extern int default_program;

extern int antialiasing_allowed;

extern int fast_decay;

extern int free_instruments_afterwards;

#define SPECIAL_PROGRAM -1

extern int load_missing_instruments(void);

extern void free_instruments(void);

extern int set_default_instrument(char *name);

extern int32 convert_tremolo_sweep(uint8 sweep);

extern int32 convert_vibrato_sweep(uint8 sweep, int32 vib_control_ratio);

extern int32 convert_tremolo_rate(uint8 rate);

extern int32 convert_vibrato_rate(uint8 rate);

extern int init_soundfont(char *fname, int oldbank, int newbank, int level);

extern InstrumentLayer *load_sbk_patch(const char *name, int gm_num, int bank, int percussion,

int panning, int amp, int note_to_use, int sf_ix);

extern int current_tune_number;

extern int max_patch_memory;

extern int current_patch_memory;

#define XMAPMAX 800

extern int xmap[XMAPMAX][5];

extern void pcmap(int *b, int *v, int *p, int *drums);