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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#ifndef CORE_EFFECTS_BASE_H
#define CORE_EFFECTS_BASE_H
#include <array>
#include <cstddef>
#include <variant>
#include "almalloc.h"
#include "alspan.h"
#include "atomic.h"
#include "core/bufferline.h"
#include "intrusive_ptr.h"
struct BufferStorage;
struct ContextBase;
struct DeviceBase;
struct EffectSlot;
struct MixParams;
struct RealMixParams;
/** Target gain for the reverb decay feedback reaching the decay time. */
inline constexpr float ReverbDecayGain{0.001f}; /* -60 dB */
inline constexpr float ReverbMaxReflectionsDelay{0.3f};
inline constexpr float ReverbMaxLateReverbDelay{0.1f};
enum class ChorusWaveform {
Sinusoid,
Triangle
};
inline constexpr float ChorusMaxDelay{0.016f};
inline constexpr float FlangerMaxDelay{0.004f};
inline constexpr float EchoMaxDelay{0.207f};
inline constexpr float EchoMaxLRDelay{0.404f};
enum class FShifterDirection {
Down,
Up,
Off
};
enum class ModulatorWaveform {
Sinusoid,
Sawtooth,
Square
};
enum class VMorpherPhenome {
A, E, I, O, U,
AA, AE, AH, AO, EH, ER, IH, IY, UH, UW,
B, D, F, G, J, K, L, M, N, P, R, S, T, V, Z
};
enum class VMorpherWaveform {
Sinusoid,
Triangle,
Sawtooth
};
struct ReverbProps {
float Density;
float Diffusion;
float Gain;
float GainHF;
float GainLF;
float DecayTime;
float DecayHFRatio;
float DecayLFRatio;
float ReflectionsGain;
float ReflectionsDelay;
std::array<float,3> ReflectionsPan;
float LateReverbGain;
float LateReverbDelay;
std::array<float,3> LateReverbPan;
float EchoTime;
float EchoDepth;
float ModulationTime;
float ModulationDepth;
float AirAbsorptionGainHF;
float HFReference;
float LFReference;
float RoomRolloffFactor;
bool DecayHFLimit;
};
struct AutowahProps {
float AttackTime;
float ReleaseTime;
float Resonance;
float PeakGain;
};
struct ChorusProps {
ChorusWaveform Waveform;
int Phase;
float Rate;
float Depth;
float Feedback;
float Delay;
};
struct FlangerProps {
ChorusWaveform Waveform;
int Phase;
float Rate;
float Depth;
float Feedback;
float Delay;
};
struct CompressorProps {
bool OnOff;
};
struct DistortionProps {
float Edge;
float Gain;
float LowpassCutoff;
float EQCenter;
float EQBandwidth;
};
struct EchoProps {
float Delay;
float LRDelay;
float Damping;
float Feedback;
float Spread;
};
struct EqualizerProps {
float LowCutoff;
float LowGain;
float Mid1Center;
float Mid1Gain;
float Mid1Width;
float Mid2Center;
float Mid2Gain;
float Mid2Width;
float HighCutoff;
float HighGain;
};
struct FshifterProps {
float Frequency;
FShifterDirection LeftDirection;
FShifterDirection RightDirection;
};
struct ModulatorProps {
float Frequency;
float HighPassCutoff;
ModulatorWaveform Waveform;
};
struct PshifterProps {
int CoarseTune;
int FineTune;
};
struct VmorpherProps {
float Rate;
VMorpherPhenome PhonemeA;
VMorpherPhenome PhonemeB;
int PhonemeACoarseTuning;
int PhonemeBCoarseTuning;
VMorpherWaveform Waveform;
};
struct DedicatedDialogProps {
float Gain;
};
struct DedicatedLfeProps {
float Gain;
};
struct ConvolutionProps {
std::array<float,3> OrientAt;
std::array<float,3> OrientUp;
};
using EffectProps = std::variant<std::monostate,
ReverbProps,
AutowahProps,
ChorusProps,
FlangerProps,
CompressorProps,
DistortionProps,
EchoProps,
EqualizerProps,
FshifterProps,
ModulatorProps,
PshifterProps,
VmorpherProps,
DedicatedDialogProps,
DedicatedLfeProps,
ConvolutionProps>;
struct EffectTarget {
MixParams *Main;
RealMixParams *RealOut;
};
struct EffectState : public al::intrusive_ref<EffectState> {
al::span<FloatBufferLine> mOutTarget;
virtual ~EffectState() = default;
virtual void deviceUpdate(const DeviceBase *device, const BufferStorage *buffer) = 0;
virtual void update(const ContextBase *context, const EffectSlot *slot,
const EffectProps *props, const EffectTarget target) = 0;
virtual void process(const size_t samplesToDo, const al::span<const FloatBufferLine> samplesIn,
const al::span<FloatBufferLine> samplesOut) = 0;
};
struct EffectStateFactory {
virtual ~EffectStateFactory() = default;
virtual al::intrusive_ptr<EffectState> create() = 0;
};
#endif /* CORE_EFFECTS_BASE_H */
|
