File: instrum.h

package info (click to toggle)
timidity 2.14.0-8
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster
  • size: 11,364 kB
  • sloc: ansic: 168,735; sh: 3,729; makefile: 1,405; tcl: 1,048; perl: 285; ruby: 126
file content (250 lines) | stat: -rw-r--r-- 7,673 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
/*
    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_ */