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/*
TiMidity++ -- MIDI to WAVE converter and player
Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
instrum.h
*/
#ifndef ___INSTRUM_H_
#define ___INSTRUM_H_
typedef struct _Sample {
splen_t
loop_start, loop_end, data_length;
int32
sample_rate, low_freq, high_freq, root_freq;
int8 panning, note_to_use;
int32
envelope_rate[6], envelope_offset[6],
modenv_rate[6], modenv_offset[6];
FLOAT_T
volume;
sample_t
*data;
int32
tremolo_sweep_increment, tremolo_phase_increment,
vibrato_sweep_increment, vibrato_control_ratio;
int16
tremolo_depth;
int16 vibrato_depth;
uint8
modes, data_alloced,
low_vel, high_vel;
int32 cutoff_freq; /* in Hz, [1, 20000] */
int16 resonance; /* in centibels, [0, 960] */
/* in cents, [-12000, 12000] */
int16 tremolo_to_pitch, tremolo_to_fc, modenv_to_pitch, modenv_to_fc,
envelope_keyf[6], envelope_velf[6], modenv_keyf[6], modenv_velf[6],
vel_to_fc, key_to_fc;
int16 vel_to_resonance; /* in centibels, [-960, 960] */
int8 envelope_velf_bpo, modenv_velf_bpo,
key_to_fc_bpo, vel_to_fc_threshold; /* in notes */
int32 vibrato_delay, tremolo_delay, envelope_delay, modenv_delay; /* in samples */
int16 scale_freq; /* in notes */
int16 scale_factor; /* in 1024divs/key */
int8 inst_type;
int32 sf_sample_index, sf_sample_link; /* for stereo SoundFont */
uint16 sample_type; /* 1 = Mono, 2 = Right, 4 = Left, 8 = Linked, $8000 = ROM */
FLOAT_T root_freq_detected; /* root freq from pitch detection */
int transpose_detected; /* note offset from detected root */
int chord; /* type of chord for detected pitch */
} 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)
#define MODES_CLAMPED (1<<7) /* ?? (for last envelope??) */
#define INST_GUS 0
#define INST_SF2 1
#define INST_MOD 2
#define INST_PCM 3 /* %sample */
/* sfSampleType */
#define SF_SAMPLETYPE_MONO 1
#define SF_SAMPLETYPE_RIGHT 2
#define SF_SAMPLETYPE_LEFT 4
#define SF_SAMPLETYPE_LINKED 8
#define SF_SAMPLETYPE_ROM 0x8000
typedef struct {
int type;
int samples;
Sample *sample;
char *instname;
} Instrument;
typedef struct {
char *name;
char *comment;
Instrument *instrument;
int8 note, pan, strip_loop, strip_envelope, strip_tail, loop_timeout,
font_preset, font_keynote, legato, tva_level, play_note, damper_mode;
uint8 font_bank;
uint8 instype; /* 0: Normal
1: %font
2: %sample
3-255: reserved
*/
int16 amp;
int16 rnddelay;
int tunenum;
float *tune;
int sclnotenum;
int16 *sclnote;
int scltunenum;
int16 *scltune;
int fcnum;
int16 *fc;
int resonum;
int16 *reso;
int trempitchnum, tremfcnum, modpitchnum, modfcnum;
int16 *trempitch, *tremfc, *modpitch, *modfc;
int envratenum, envofsnum;
int **envrate, **envofs;
int modenvratenum, modenvofsnum;
int **modenvrate, **modenvofs;
int envvelfnum, envkeyfnum;
int **envvelf, **envkeyf;
int modenvvelfnum, modenvkeyfnum;
int **modenvvelf, **modenvkeyf;
int tremnum, vibnum;
struct Quantity_ **trem, **vib;
int16 vel_to_fc, key_to_fc, vel_to_resonance;
int8 reverb_send, chorus_send, delay_send;
} ToneBankElement;
/* A hack to delay instrument loading until after reading the
entire MIDI file. */
#define MAGIC_LOAD_INSTRUMENT ((Instrument *)(-1))
#define MAGIC_ERROR_INSTRUMENT ((Instrument *)(-2))
#define IS_MAGIC_INSTRUMENT(ip) ((ip) == MAGIC_LOAD_INSTRUMENT || (ip) == MAGIC_ERROR_INSTRUMENT)
#define DYNAMIC_INSTRUMENT_NAME ""
typedef struct _AlternateAssign {
/* 128 bit vector:
* bits[(note >> 5) & 0x3] & (1 << (note & 0x1F))
*/
uint32 bits[4];
struct _AlternateAssign* next;
} AlternateAssign;
typedef struct {
ToneBankElement tone[128];
AlternateAssign *alt;
} ToneBank;
typedef struct _SpecialPatch /* To be used MIDI Module play mode */
{
int type;
int samples;
Sample *sample;
char *name;
int32 sample_offset;
} SpecialPatch;
enum instrument_mapID
{
INST_NO_MAP = 0,
SC_55_TONE_MAP,
SC_55_DRUM_MAP,
SC_88_TONE_MAP,
SC_88_DRUM_MAP,
SC_88PRO_TONE_MAP,
SC_88PRO_DRUM_MAP,
SC_8850_TONE_MAP,
SC_8850_DRUM_MAP,
XG_NORMAL_MAP,
XG_SFX64_MAP,
XG_SFX126_MAP,
XG_DRUM_MAP,
GM2_TONE_MAP,
GM2_DRUM_MAP,
NUM_INST_MAP
};
#define MAP_BANK_COUNT 256
extern ToneBank *tonebank[], *drumset[];
extern Instrument *default_instrument;
#define NSPECIAL_PATCH 256
extern SpecialPatch *special_patch[ /* NSPECIAL_PATCH */ ];
extern int default_program[MAX_CHANNELS];
extern int antialiasing_allowed;
extern int fast_decay;
extern int free_instruments_afterwards;
extern int cutoff_allowed;
#define SPECIAL_PROGRAM -1
/* sndfont.c */
extern int opt_sf_close_each_file;
extern void add_soundfont(char *sf_file, int sf_order,
int cutoff_allowed, int resonance_allowed,
int amp);
extern void remove_soundfont(char *sf_file);
extern void init_load_soundfont(void);
extern Instrument *load_soundfont_inst(int order, int bank, int preset,
int keynote);
extern Instrument *extract_soundfont(char *sf_file, int bank, int preset,
int keynote);
extern int exclude_soundfont(int bank, int preset, int keynote);
extern int order_soundfont(int bank, int preset, int keynote, int order);
extern char *soundfont_preset_name(int bank, int preset, int keynote,
char **sndfile);
extern void free_soundfonts(void);
/* instrum.c */
extern int load_missing_instruments(int *rc);
extern void free_instruments(int reload_default_inst);
extern void free_special_patch(int id);
extern int set_default_instrument(char *name);
extern void clear_magic_instruments(void);
extern Instrument *load_instrument(int dr, int b, int prog);
extern int find_instrument_map_bank(int dr, int map, int bk);
extern int alloc_instrument_map_bank(int dr, int map, int bk);
extern void alloc_instrument_bank(int dr, int bankset);
extern int instrument_map(int mapID, int *set_in_out, int *elem_in_out);
extern void set_instrument_map(int mapID,
int set_from, int elem_from,
int set_to, int elem_to);
extern void free_instrument_map(void);
extern AlternateAssign *add_altassign_string(AlternateAssign *old,
char **params, int n);
extern AlternateAssign *find_altassign(AlternateAssign *altassign, int note);
extern void copy_tone_bank_element(ToneBankElement *elm, const ToneBankElement *src);
extern void free_tone_bank_element(ToneBankElement *elm);
extern void free_tone_bank(void);
extern void free_instrument(Instrument *ip);
extern void squash_sample_16to8(Sample *sp);
extern char *default_instrument_name;
extern int progbase;
extern int32 modify_release;
#define MAX_MREL 5000
#define DEFAULT_MREL 800
#endif /* ___INSTRUM_H_ */
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