mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-11-25 05:21:39 +00:00
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
|
/*
|
||
|
|
|
||
|
|
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_t
|
||
|
|
loop_start, loop_end, data_length,
|
||
|
|
sample_rate, low_freq, high_freq, root_freq;
|
||
|
|
int32_t
|
||
|
|
envelope_rate[6], envelope_offset[6];
|
||
|
|
float
|
||
|
|
volume;
|
||
|
|
sample_t *data;
|
||
|
|
int32_t
|
||
|
|
tremolo_sweep_increment, tremolo_phase_increment,
|
||
|
|
vibrato_sweep_increment, vibrato_control_ratio;
|
||
|
|
uint8_t
|
||
|
|
tremolo_depth, vibrato_depth,
|
||
|
|
modes;
|
||
|
|
int8_t
|
||
|
|
panning, note_to_use;
|
||
|
|
} 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;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
char *name;
|
||
|
|
Instrument *instrument;
|
||
|
|
int note, amp, pan, strip_loop, strip_envelope, strip_tail;
|
||
|
|
} ToneBankElement;
|
||
|
|
|
||
|
|
/* A hack to delay instrument loading until after reading the
|
||
|
|
entire MIDI file. */
|
||
|
|
#define MAGIC_LOAD_INSTRUMENT ((Instrument *)(-1))
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
ToneBankElement tone[128];
|
||
|
|
} ToneBank;
|
||
|
|
|
||
|
|
extern ToneBank *tonebank[], *drumset[];
|
||
|
|
|
||
|
|
extern Instrument *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);
|
||
|
|
|