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
|
/*
HRTF.h
Copyright 2002-5 Tim Goetze <tim@quitte.de>
http://quitte.de/dsp/
IIR filtering based on HRTF data sets
*/
/*
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 or point your web browser to http://www.gnu.org.
*/
#ifndef _HRTF_H_
#define _HRTF_H_
#include "dsp/util.h"
class HRTF
{
public:
int pan;
int n, h;
double x[32];
struct {
double * a, * b;
double y[32];
} left, right;
void set_pan (int p);
d_sample normal;
template <sample_func_t F>
void one_cycle (int frames);
public:
static PortInfo port_info [];
d_sample * ports [4];
d_sample adding_gain;
void init (double _fs);
void activate()
{
set_pan ((int) *ports[1]);
}
void run (int n)
{
one_cycle<store_func> (n);
}
void run_adding (int n)
{
one_cycle<adding_func> (n);
}
};
#endif /* _HRTF_H_ */
|