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
|
#ifndef AL_FILTER_H
#define AL_FILTER_H
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "almalloc.h"
#ifdef ALSOFT_EAX
#include <memory>
#include "eax_utils.h"
#endif // ALSOFT_EAX
#define LOWPASSFREQREF 5000.0f
#define HIGHPASSFREQREF 250.0f
struct ALfilter {
ALenum type{AL_FILTER_NULL};
float Gain{1.0f};
float GainHF{1.0f};
float HFReference{LOWPASSFREQREF};
float GainLF{1.0f};
float LFReference{HIGHPASSFREQREF};
struct Vtable {
void (*const setParami )(ALfilter *filter, ALenum param, int val);
void (*const setParamiv)(ALfilter *filter, ALenum param, const int *vals);
void (*const setParamf )(ALfilter *filter, ALenum param, float val);
void (*const setParamfv)(ALfilter *filter, ALenum param, const float *vals);
void (*const getParami )(const ALfilter *filter, ALenum param, int *val);
void (*const getParamiv)(const ALfilter *filter, ALenum param, int *vals);
void (*const getParamf )(const ALfilter *filter, ALenum param, float *val);
void (*const getParamfv)(const ALfilter *filter, ALenum param, float *vals);
};
const Vtable *vtab{nullptr};
/* Self ID */
ALuint id{0};
void setParami(ALenum param, int value) { vtab->setParami(this, param, value); }
void setParamiv(ALenum param, const int *values) { vtab->setParamiv(this, param, values); }
void setParamf(ALenum param, float value) { vtab->setParamf(this, param, value); }
void setParamfv(ALenum param, const float *values) { vtab->setParamfv(this, param, values); }
void getParami(ALenum param, int *value) const { vtab->getParami(this, param, value); }
void getParamiv(ALenum param, int *values) const { vtab->getParamiv(this, param, values); }
void getParamf(ALenum param, float *value) const { vtab->getParamf(this, param, value); }
void getParamfv(ALenum param, float *values) const { vtab->getParamfv(this, param, values); }
DISABLE_ALLOC()
#ifdef ALSOFT_EAX
public:
void eax_set_low_pass_params(
ALCcontext& context,
const EaxAlLowPassParam& param);
#endif // ALSOFT_EAX
};
#ifdef ALSOFT_EAX
class EaxAlFilterDeleter {
public:
EaxAlFilterDeleter() noexcept = default;
EaxAlFilterDeleter(
ALCcontext& context);
void operator()(
ALfilter* filter);
private:
ALCcontext* context_{};
}; // EaxAlFilterDeleter
using EaxAlFilterUPtr = std::unique_ptr<ALfilter, EaxAlFilterDeleter>;
EaxAlFilterUPtr eax_create_al_low_pass_filter(
ALCcontext& context);
void eax_delete_low_pass_filter(
ALCcontext& context,
ALfilter& filter);
#endif // ALSOFT_EAX
#endif
|
