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
|
#ifndef _AL_AUXEFFECTSLOT_H_
#define _AL_AUXEFFECTSLOT_H_
#include "alMain.h"
#include "alEffect.h"
#include "align.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ALeffectStateVtable;
struct ALeffectslot;
typedef struct ALeffectState {
const struct ALeffectStateVtable *vtbl;
ALfloat (*OutBuffer)[BUFFERSIZE];
ALuint OutChannels;
} ALeffectState;
void ALeffectState_Destruct(ALeffectState *state);
struct ALeffectStateVtable {
void (*const Destruct)(ALeffectState *state);
ALboolean (*const deviceUpdate)(ALeffectState *state, ALCdevice *device);
void (*const update)(ALeffectState *state, const ALCdevice *device, const struct ALeffectslot *slot, const union ALeffectProps *props);
void (*const process)(ALeffectState *state, ALuint samplesToDo, const ALfloat (*restrict samplesIn)[BUFFERSIZE], ALfloat (*restrict samplesOut)[BUFFERSIZE], ALuint numChannels);
void (*const Delete)(void *ptr);
};
#define DEFINE_ALEFFECTSTATE_VTABLE(T) \
DECLARE_THUNK(T, ALeffectState, void, Destruct) \
DECLARE_THUNK1(T, ALeffectState, ALboolean, deviceUpdate, ALCdevice*) \
DECLARE_THUNK3(T, ALeffectState, void, update, const ALCdevice*, const ALeffectslot*, const ALeffectProps*) \
DECLARE_THUNK4(T, ALeffectState, void, process, ALuint, const ALfloatBUFFERSIZE*restrict, ALfloatBUFFERSIZE*restrict, ALuint) \
static void T##_ALeffectState_Delete(void *ptr) \
{ return T##_Delete(STATIC_UPCAST(T, ALeffectState, (ALeffectState*)ptr)); } \
\
static const struct ALeffectStateVtable T##_ALeffectState_vtable = { \
T##_ALeffectState_Destruct, \
\
T##_ALeffectState_deviceUpdate, \
T##_ALeffectState_update, \
T##_ALeffectState_process, \
\
T##_ALeffectState_Delete, \
}
struct ALeffectStateFactoryVtable;
typedef struct ALeffectStateFactory {
const struct ALeffectStateFactoryVtable *vtbl;
} ALeffectStateFactory;
struct ALeffectStateFactoryVtable {
ALeffectState *(*const create)(ALeffectStateFactory *factory);
};
#define DEFINE_ALEFFECTSTATEFACTORY_VTABLE(T) \
DECLARE_THUNK(T, ALeffectStateFactory, ALeffectState*, create) \
\
static const struct ALeffectStateFactoryVtable T##_ALeffectStateFactory_vtable = { \
T##_ALeffectStateFactory_create, \
}
#define MAX_EFFECT_CHANNELS (4)
struct ALeffectslotProps {
ATOMIC(ALfloat) Gain;
ATOMIC(ALboolean) AuxSendAuto;
ATOMIC(ALenum) Type;
ALeffectProps Props;
ATOMIC(ALeffectState*) State;
ATOMIC(struct ALeffectslotProps*) next;
};
typedef struct ALeffectslot {
ALfloat Gain;
ALboolean AuxSendAuto;
struct {
ALenum Type;
ALeffectProps Props;
ALeffectState *State;
} Effect;
RefCount ref;
ATOMIC(struct ALeffectslotProps*) Update;
ATOMIC(struct ALeffectslotProps*) FreeList;
struct {
ALfloat Gain;
ALboolean AuxSendAuto;
ALenum EffectType;
ALeffectState *EffectState;
ALfloat RoomRolloff; /* Added to the source's room rolloff, not multiplied. */
ALfloat DecayTime;
ALfloat AirAbsorptionGainHF;
} Params;
/* Self ID */
ALuint id;
ALuint NumChannels;
BFChannelConfig ChanMap[MAX_EFFECT_CHANNELS];
/* Wet buffer configuration is ACN channel order with N3D scaling:
* * Channel 0 is the unattenuated mono signal.
* * Channel 1 is OpenAL -X
* * Channel 2 is OpenAL Y
* * Channel 3 is OpenAL -Z
* Consequently, effects that only want to work with mono input can use
* channel 0 by itself. Effects that want multichannel can process the
* ambisonics signal and make a B-Format pan (ComputeFirstOrderGains) for
* first-order device output (FOAOut).
*/
alignas(16) ALfloat WetBuffer[MAX_EFFECT_CHANNELS][BUFFERSIZE];
ATOMIC(struct ALeffectslot*) next;
} ALeffectslot;
inline void LockEffectSlotsRead(ALCcontext *context)
{ LockUIntMapRead(&context->EffectSlotMap); }
inline void UnlockEffectSlotsRead(ALCcontext *context)
{ UnlockUIntMapRead(&context->EffectSlotMap); }
inline void LockEffectSlotsWrite(ALCcontext *context)
{ LockUIntMapWrite(&context->EffectSlotMap); }
inline void UnlockEffectSlotsWrite(ALCcontext *context)
{ UnlockUIntMapWrite(&context->EffectSlotMap); }
inline struct ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id)
{ return (struct ALeffectslot*)LookupUIntMapKeyNoLock(&context->EffectSlotMap, id); }
inline struct ALeffectslot *RemoveEffectSlot(ALCcontext *context, ALuint id)
{ return (struct ALeffectslot*)RemoveUIntMapKeyNoLock(&context->EffectSlotMap, id); }
ALenum InitEffectSlot(ALeffectslot *slot);
void DeinitEffectSlot(ALeffectslot *slot);
void UpdateEffectSlotProps(ALeffectslot *slot);
ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context);
ALeffectStateFactory *ALnullStateFactory_getFactory(void);
ALeffectStateFactory *ALreverbStateFactory_getFactory(void);
ALeffectStateFactory *ALchorusStateFactory_getFactory(void);
ALeffectStateFactory *ALcompressorStateFactory_getFactory(void);
ALeffectStateFactory *ALdistortionStateFactory_getFactory(void);
ALeffectStateFactory *ALechoStateFactory_getFactory(void);
ALeffectStateFactory *ALequalizerStateFactory_getFactory(void);
ALeffectStateFactory *ALflangerStateFactory_getFactory(void);
ALeffectStateFactory *ALmodulatorStateFactory_getFactory(void);
ALeffectStateFactory *ALdedicatedStateFactory_getFactory(void);
ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *effect);
void InitEffectFactoryMap(void);
void DeinitEffectFactoryMap(void);
#ifdef __cplusplus
}
#endif
#endif
|
