instrum.h
上传用户:nini_0081
上传日期:2022-07-21
资源大小:2628k
文件大小:4k
- /*
- 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;
- int32
- 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;
- uint8
- reverberation, chorusdepth,
- tremolo_depth, vibrato_depth,
- modes;
- uint8
- attenuation, freq_center;
- int8
- 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)
- #define MODES_FAST_RELEASE (1<<7)
- #if 0
- 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;
- Instrument *instrument;
- 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 MAGIC_LOAD_INSTRUMENT ((InstrumentLayer *)(-1))
- #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[];
- #if 0
- extern Instrument *default_instrument;
- #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 void end_soundfont(void);
- extern int set_default_instrument(const 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);