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
|
#ifndef AL_FILTER_H
#define AL_FILTER_H
#include <array>
#include <cstdint>
#include <string_view>
#include <variant>
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "almalloc.h"
#include "alnumeric.h"
#define LOWPASSFREQREF 5000.0f
#define HIGHPASSFREQREF 250.0f
template<typename T>
struct FilterTable {
static void setParami(struct ALfilter*, ALenum, int);
static void setParamiv(struct ALfilter*, ALenum, const int*);
static void setParamf(struct ALfilter*, ALenum, float);
static void setParamfv(struct ALfilter*, ALenum, const float*);
static void getParami(const struct ALfilter*, ALenum, int*);
static void getParamiv(const struct ALfilter*, ALenum, int*);
static void getParamf(const struct ALfilter*, ALenum, float*);
static void getParamfv(const struct ALfilter*, ALenum, float*);
};
struct NullFilterTable : public FilterTable<NullFilterTable> { };
struct LowpassFilterTable : public FilterTable<LowpassFilterTable> { };
struct HighpassFilterTable : public FilterTable<HighpassFilterTable> { };
struct BandpassFilterTable : public FilterTable<BandpassFilterTable> { };
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};
using TableTypes = std::variant<NullFilterTable,LowpassFilterTable,HighpassFilterTable,
BandpassFilterTable>;
TableTypes mTypeVariant;
/* Self ID */
ALuint id{0};
static void SetName(ALCcontext *context, ALuint id, std::string_view name);
DISABLE_ALLOC
};
struct FilterSubList {
uint64_t FreeMask{~0_u64};
gsl::owner<std::array<ALfilter,64>*> Filters{nullptr};
FilterSubList() noexcept = default;
FilterSubList(const FilterSubList&) = delete;
FilterSubList(FilterSubList&& rhs) noexcept : FreeMask{rhs.FreeMask}, Filters{rhs.Filters}
{ rhs.FreeMask = ~0_u64; rhs.Filters = nullptr; }
~FilterSubList();
FilterSubList& operator=(const FilterSubList&) = delete;
FilterSubList& operator=(FilterSubList&& rhs) noexcept
{ std::swap(FreeMask, rhs.FreeMask); std::swap(Filters, rhs.Filters); return *this; }
};
#endif
|
