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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
#ifndef _AL_EFFECT_H_
#define _AL_EFFECT_H_
#include "alMain.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ALeffect;
enum {
EAXREVERB = 0,
REVERB,
AUTOWAH,
CHORUS,
COMPRESSOR,
DISTORTION,
ECHO,
EQUALIZER,
FLANGER,
MODULATOR,
DEDICATED,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
extern ALfloat ReverbBoost;
extern ALboolean EmulateEAXReverb;
struct ALeffectVtable {
void (*const setParami)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
void (*const setParamiv)(struct ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
void (*const setParamf)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
void (*const setParamfv)(struct ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals);
void (*const getParami)(const struct ALeffect *effect, ALCcontext *context, ALenum param, ALint *val);
void (*const getParamiv)(const struct ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals);
void (*const getParamf)(const struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
void (*const getParamfv)(const struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
};
#define DEFINE_ALEFFECT_VTABLE(T) \
const struct ALeffectVtable T##_vtable = { \
T##_setParami, T##_setParamiv, \
T##_setParamf, T##_setParamfv, \
T##_getParami, T##_getParamiv, \
T##_getParamf, T##_getParamfv, \
}
extern const struct ALeffectVtable ALeaxreverb_vtable;
extern const struct ALeffectVtable ALreverb_vtable;
extern const struct ALeffectVtable ALautowah_vtable;
extern const struct ALeffectVtable ALchorus_vtable;
extern const struct ALeffectVtable ALcompressor_vtable;
extern const struct ALeffectVtable ALdistortion_vtable;
extern const struct ALeffectVtable ALecho_vtable;
extern const struct ALeffectVtable ALequalizer_vtable;
extern const struct ALeffectVtable ALflanger_vtable;
extern const struct ALeffectVtable ALmodulator_vtable;
extern const struct ALeffectVtable ALnull_vtable;
extern const struct ALeffectVtable ALdedicated_vtable;
typedef 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 PeakGain;
ALfloat Resonance;
} Autowah;
struct {
ALint Waveform;
ALint Phase;
ALfloat Rate;
ALfloat Depth;
ALfloat Feedback;
ALfloat Delay;
} Chorus;
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 {
ALint Waveform;
ALint Phase;
ALfloat Rate;
ALfloat Depth;
ALfloat Feedback;
ALfloat Delay;
} Flanger;
struct {
ALfloat Frequency;
ALfloat HighPassCutoff;
ALint Waveform;
} Modulator;
struct {
ALfloat Gain;
} Dedicated;
} ALeffectProps;
typedef struct ALeffect {
// Effect type (AL_EFFECT_NULL, ...)
ALenum type;
ALeffectProps Props;
const struct ALeffectVtable *vtbl;
/* Self ID */
ALuint id;
} ALeffect;
inline void LockEffectsRead(ALCdevice *device)
{ LockUIntMapRead(&device->EffectMap); }
inline void UnlockEffectsRead(ALCdevice *device)
{ UnlockUIntMapRead(&device->EffectMap); }
inline void LockEffectsWrite(ALCdevice *device)
{ LockUIntMapWrite(&device->EffectMap); }
inline void UnlockEffectsWrite(ALCdevice *device)
{ UnlockUIntMapWrite(&device->EffectMap); }
inline struct ALeffect *LookupEffect(ALCdevice *device, ALuint id)
{ return (struct ALeffect*)LookupUIntMapKeyNoLock(&device->EffectMap, id); }
inline struct ALeffect *RemoveEffect(ALCdevice *device, ALuint id)
{ return (struct ALeffect*)RemoveUIntMapKeyNoLock(&device->EffectMap, id); }
inline ALboolean IsReverbEffect(ALenum type)
{ return type == AL_EFFECT_REVERB || type == AL_EFFECT_EAXREVERB; }
ALenum InitEffect(ALeffect *effect);
ALvoid ReleaseALEffects(ALCdevice *device);
ALvoid LoadReverbPreset(const char *name, ALeffect *effect);
#ifdef __cplusplus
}
#endif
#endif
|
