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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#ifndef _AL_EFFECT_H_
#define _AL_EFFECT_H_
#include "alMain.h"
struct ALeffect;
struct EffectVtable;
struct EffectStateFactory;
enum {
EAXREVERB_EFFECT = 0,
REVERB_EFFECT,
AUTOWAH_EFFECT,
CHORUS_EFFECT,
COMPRESSOR_EFFECT,
DISTORTION_EFFECT,
ECHO_EFFECT,
EQUALIZER_EFFECT,
FLANGER_EFFECT,
FSHIFTER_EFFECT,
MODULATOR_EFFECT,
PSHIFTER_EFFECT,
DEDICATED_EFFECT,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
extern ALfloat ReverbBoost;
struct EffectList {
const char name[16];
int type;
ALenum val;
};
extern const EffectList gEffectList[14];
union ALeffectProps {
struct {
// Shared Reverb Properties
ALfloat Density;
ALfloat Diffusion;
ALfloat Gain;
ALfloat GainHF;
ALfloat DecayTime;
ALfloat DecayHFRatio;
ALfloat ReflectionsGain;
ALfloat ReflectionsDelay;
ALfloat LateReverbGain;
ALfloat LateReverbDelay;
ALfloat AirAbsorptionGainHF;
ALfloat RoomRolloffFactor;
ALboolean DecayHFLimit;
// Additional EAX Reverb Properties
ALfloat GainLF;
ALfloat DecayLFRatio;
ALfloat ReflectionsPan[3];
ALfloat LateReverbPan[3];
ALfloat EchoTime;
ALfloat EchoDepth;
ALfloat ModulationTime;
ALfloat ModulationDepth;
ALfloat HFReference;
ALfloat LFReference;
} Reverb;
struct {
ALfloat AttackTime;
ALfloat ReleaseTime;
ALfloat Resonance;
ALfloat PeakGain;
} Autowah;
struct {
ALint Waveform;
ALint Phase;
ALfloat Rate;
ALfloat Depth;
ALfloat Feedback;
ALfloat Delay;
} Chorus; /* Also Flanger */
struct {
ALboolean OnOff;
} Compressor;
struct {
ALfloat Edge;
ALfloat Gain;
ALfloat LowpassCutoff;
ALfloat EQCenter;
ALfloat EQBandwidth;
} Distortion;
struct {
ALfloat Delay;
ALfloat LRDelay;
ALfloat Damping;
ALfloat Feedback;
ALfloat Spread;
} Echo;
struct {
ALfloat LowCutoff;
ALfloat LowGain;
ALfloat Mid1Center;
ALfloat Mid1Gain;
ALfloat Mid1Width;
ALfloat Mid2Center;
ALfloat Mid2Gain;
ALfloat Mid2Width;
ALfloat HighCutoff;
ALfloat HighGain;
} Equalizer;
struct {
ALfloat Frequency;
ALint LeftDirection;
ALint RightDirection;
} Fshifter;
struct {
ALfloat Frequency;
ALfloat HighPassCutoff;
ALint Waveform;
} Modulator;
struct {
ALint CoarseTune;
ALint FineTune;
} Pshifter;
struct {
ALfloat Gain;
} Dedicated;
};
struct ALeffect {
// Effect type (AL_EFFECT_NULL, ...)
ALenum type{AL_EFFECT_NULL};
ALeffectProps Props{};
const EffectVtable *vtab{nullptr};
/* Self ID */
ALuint id{0u};
};
inline ALboolean IsReverbEffect(ALenum type)
{ return type == AL_EFFECT_REVERB || type == AL_EFFECT_EAXREVERB; }
EffectStateFactory *getFactoryByType(ALenum type);
void InitEffect(ALeffect *effect);
void LoadReverbPreset(const char *name, ALeffect *effect);
#endif
|
