aboutsummaryrefslogtreecommitdiffstats
path: root/Alc/effects/base.h
blob: 4f48de2284094eb16aa647925f72f125beb09a8e (plain)
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
#ifndef EFFECTS_BASE_H
#define EFFECTS_BASE_H

#include "alcmain.h"
#include "almalloc.h"
#include "alspan.h"
#include "atomic.h"


struct ALeffectslot;


union EffectProps {
    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 Rate;
        ALint PhonemeA;
        ALint PhonemeB;
        ALint PhonemeACoarseTuning;
        ALint PhonemeBCoarseTuning;
        ALint Waveform;
    } Vmorpher;

    struct {
        ALfloat Gain;
    } Dedicated;
};


struct EffectVtable {
    void (*const setParami)(EffectProps *props, ALCcontext *context, ALenum param, ALint val);
    void (*const setParamiv)(EffectProps *props, ALCcontext *context, ALenum param, const ALint *vals);
    void (*const setParamf)(EffectProps *props, ALCcontext *context, ALenum param, ALfloat val);
    void (*const setParamfv)(EffectProps *props, ALCcontext *context, ALenum param, const ALfloat *vals);

    void (*const getParami)(const EffectProps *props, ALCcontext *context, ALenum param, ALint *val);
    void (*const getParamiv)(const EffectProps *props, ALCcontext *context, ALenum param, ALint *vals);
    void (*const getParamf)(const EffectProps *props, ALCcontext *context, ALenum param, ALfloat *val);
    void (*const getParamfv)(const EffectProps *props, ALCcontext *context, ALenum param, ALfloat *vals);
};

#define DEFINE_ALEFFECT_VTABLE(T)           \
const EffectVtable T##_vtable = {           \
    T##_setParami, T##_setParamiv,          \
    T##_setParamf, T##_setParamfv,          \
    T##_getParami, T##_getParamiv,          \
    T##_getParamf, T##_getParamfv,          \
}


struct EffectTarget {
    MixParams *Main;
    RealMixParams *RealOut;
};

struct EffectState {
    RefCount mRef{1u};

    al::span<FloatBufferLine> mOutTarget;


    virtual ~EffectState() = default;

    virtual ALboolean deviceUpdate(const ALCdevice *device) = 0;
    virtual void update(const ALCcontext *context, const ALeffectslot *slot, const EffectProps *props, const EffectTarget target) = 0;
    virtual void process(const ALsizei samplesToDo, const FloatBufferLine *RESTRICT samplesIn, const ALsizei numInput, const al::span<FloatBufferLine> samplesOut) = 0;

    void IncRef() noexcept;
    void DecRef() noexcept;
};


struct EffectStateFactory {
    virtual ~EffectStateFactory() { }

    virtual EffectState *create() = 0;
    virtual EffectProps getDefaultProps() const noexcept = 0;
    virtual const EffectVtable *getEffectVtable() const noexcept = 0;
};


EffectStateFactory *NullStateFactory_getFactory(void);
EffectStateFactory *ReverbStateFactory_getFactory(void);
EffectStateFactory *StdReverbStateFactory_getFactory(void);
EffectStateFactory *AutowahStateFactory_getFactory(void);
EffectStateFactory *ChorusStateFactory_getFactory(void);
EffectStateFactory *CompressorStateFactory_getFactory(void);
EffectStateFactory *DistortionStateFactory_getFactory(void);
EffectStateFactory *EchoStateFactory_getFactory(void);
EffectStateFactory *EqualizerStateFactory_getFactory(void);
EffectStateFactory *FlangerStateFactory_getFactory(void);
EffectStateFactory *FshifterStateFactory_getFactory(void);
EffectStateFactory *ModulatorStateFactory_getFactory(void);
EffectStateFactory *PshifterStateFactory_getFactory(void);
EffectStateFactory* VmorpherStateFactory_getFactory(void);

EffectStateFactory *DedicatedStateFactory_getFactory(void);


#endif /* EFFECTS_BASE_H */