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
|
/* Freebirth
* Copyright (C) 1999 topher lafata <topher@topher.com>,
* Jake Donham <jake@bitmechanic.com>
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#define __OSC_H
#ifndef __SAMPLE_PRODUCER_H
#include "sample_producer.h"
#endif
#define SIN 0
#define SQR 1
#define SAW 2
#define MAX_FREQ_OFFSET 32768
typedef struct osc{
sample *(* get_buffer)(struct osc *);
void (*next_buffer)(struct osc *);
sample_producer **(*get_children)(struct osc *);
char **(*get_header)(struct osc *);
char **(*get_code)(struct osc *);
char **(*get_footer)(struct osc *);
void (* schedule)(sample_producer *sp ,event *e,int offset);
void (* trigger)(sample_producer *this);
event **events; /*table of scheduled events */
int freq;
sample *table;
sample *buffer;
int current_index; /* current place in table */
int phase_offset;
int freq_offset;
int next;
}osc;
void init_tables();
osc *osc_new(int freq,int type);
sample *osc_get_buffer(osc *this);
void osc_next_buffer(osc *this);
void osc_set_type(osc *this, int type);
void osc_trigger(osc* this);
void osc_set_frequency(osc *this, int freq);
void osc_set_phase_offset(osc *this, int offset);
void osc_set_freq_offset(osc *this, int offset);
void osc_delete(osc *this);
event *event_freq_change_new(int seq_handle,int freq);
/* this probably shouldn't be here, but it's used in oscillator.c */
#define RATE 44100
/*
Local Variables:
mode: font-lock
End:
*/
|
