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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
#include "config.h"
#include <cmath>
#include <cstdlib>
#include <algorithm>
#include "AL/efx.h"
#include "alc/effects/base.h"
#include "effects.h"
#ifdef ALSOFT_EAX
#include "alnumeric.h"
#include "al/eax/exception.h"
#include "al/eax/utils.h"
#endif // ALSOFT_EAX
namespace {
void Autowah_setParamf(EffectProps *props, ALenum param, float val)
{
switch(param)
{
case AL_AUTOWAH_ATTACK_TIME:
if(!(val >= AL_AUTOWAH_MIN_ATTACK_TIME && val <= AL_AUTOWAH_MAX_ATTACK_TIME))
throw effect_exception{AL_INVALID_VALUE, "Autowah attack time out of range"};
props->Autowah.AttackTime = val;
break;
case AL_AUTOWAH_RELEASE_TIME:
if(!(val >= AL_AUTOWAH_MIN_RELEASE_TIME && val <= AL_AUTOWAH_MAX_RELEASE_TIME))
throw effect_exception{AL_INVALID_VALUE, "Autowah release time out of range"};
props->Autowah.ReleaseTime = val;
break;
case AL_AUTOWAH_RESONANCE:
if(!(val >= AL_AUTOWAH_MIN_RESONANCE && val <= AL_AUTOWAH_MAX_RESONANCE))
throw effect_exception{AL_INVALID_VALUE, "Autowah resonance out of range"};
props->Autowah.Resonance = val;
break;
case AL_AUTOWAH_PEAK_GAIN:
if(!(val >= AL_AUTOWAH_MIN_PEAK_GAIN && val <= AL_AUTOWAH_MAX_PEAK_GAIN))
throw effect_exception{AL_INVALID_VALUE, "Autowah peak gain out of range"};
props->Autowah.PeakGain = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah float property 0x%04x", param};
}
}
void Autowah_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Autowah_setParamf(props, param, vals[0]); }
void Autowah_setParami(EffectProps*, ALenum param, int)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer property 0x%04x", param}; }
void Autowah_setParamiv(EffectProps*, ALenum param, const int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer vector property 0x%04x",
param};
}
void Autowah_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_AUTOWAH_ATTACK_TIME:
*val = props->Autowah.AttackTime;
break;
case AL_AUTOWAH_RELEASE_TIME:
*val = props->Autowah.ReleaseTime;
break;
case AL_AUTOWAH_RESONANCE:
*val = props->Autowah.Resonance;
break;
case AL_AUTOWAH_PEAK_GAIN:
*val = props->Autowah.PeakGain;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah float property 0x%04x", param};
}
}
void Autowah_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Autowah_getParamf(props, param, vals); }
void Autowah_getParami(const EffectProps*, ALenum param, int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer property 0x%04x", param}; }
void Autowah_getParamiv(const EffectProps*, ALenum param, int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer vector property 0x%04x",
param};
}
EffectProps genDefaultProps() noexcept
{
EffectProps props{};
props.Autowah.AttackTime = AL_AUTOWAH_DEFAULT_ATTACK_TIME;
props.Autowah.ReleaseTime = AL_AUTOWAH_DEFAULT_RELEASE_TIME;
props.Autowah.Resonance = AL_AUTOWAH_DEFAULT_RESONANCE;
props.Autowah.PeakGain = AL_AUTOWAH_DEFAULT_PEAK_GAIN;
return props;
}
} // namespace
DEFINE_ALEFFECT_VTABLE(Autowah);
const EffectProps AutowahEffectProps{genDefaultProps()};
#ifdef ALSOFT_EAX
namespace {
using AutowahCommitter = EaxCommitter<EaxAutowahCommitter>;
struct AttackTimeValidator {
void operator()(float flAttackTime) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Attack Time",
flAttackTime,
EAXAUTOWAH_MINATTACKTIME,
EAXAUTOWAH_MAXATTACKTIME);
}
}; // AttackTimeValidator
struct ReleaseTimeValidator {
void operator()(float flReleaseTime) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Release Time",
flReleaseTime,
EAXAUTOWAH_MINRELEASETIME,
EAXAUTOWAH_MAXRELEASETIME);
}
}; // ReleaseTimeValidator
struct ResonanceValidator {
void operator()(long lResonance) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Resonance",
lResonance,
EAXAUTOWAH_MINRESONANCE,
EAXAUTOWAH_MAXRESONANCE);
}
}; // ResonanceValidator
struct PeakLevelValidator {
void operator()(long lPeakLevel) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Peak Level",
lPeakLevel,
EAXAUTOWAH_MINPEAKLEVEL,
EAXAUTOWAH_MAXPEAKLEVEL);
}
}; // PeakLevelValidator
struct AllValidator {
void operator()(const EAXAUTOWAHPROPERTIES& all) const
{
AttackTimeValidator{}(all.flAttackTime);
ReleaseTimeValidator{}(all.flReleaseTime);
ResonanceValidator{}(all.lResonance);
PeakLevelValidator{}(all.lPeakLevel);
}
}; // AllValidator
} // namespace
template<>
struct AutowahCommitter::Exception : public EaxException
{
explicit Exception(const char *message) : EaxException{"EAX_AUTOWAH_EFFECT", message}
{ }
};
template<>
[[noreturn]] void AutowahCommitter::fail(const char *message)
{
throw Exception{message};
}
bool EaxAutowahCommitter::commit(const EAXAUTOWAHPROPERTIES &props)
{
if(auto *cur = std::get_if<EAXAUTOWAHPROPERTIES>(&mEaxProps); cur && *cur == props)
return false;
mEaxProps = props;
mAlProps.Autowah.AttackTime = props.flAttackTime;
mAlProps.Autowah.ReleaseTime = props.flReleaseTime;
mAlProps.Autowah.Resonance = level_mb_to_gain(static_cast<float>(props.lResonance));
mAlProps.Autowah.PeakGain = level_mb_to_gain(static_cast<float>(props.lPeakLevel));
return true;
}
void EaxAutowahCommitter::SetDefaults(EaxEffectProps &props)
{
static constexpr EAXAUTOWAHPROPERTIES defprops{[]
{
EAXAUTOWAHPROPERTIES ret{};
ret.flAttackTime = EAXAUTOWAH_DEFAULTATTACKTIME;
ret.flReleaseTime = EAXAUTOWAH_DEFAULTRELEASETIME;
ret.lResonance = EAXAUTOWAH_DEFAULTRESONANCE;
ret.lPeakLevel = EAXAUTOWAH_DEFAULTPEAKLEVEL;
return ret;
}()};
props = defprops;
}
void EaxAutowahCommitter::Get(const EaxCall &call, const EAXAUTOWAHPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXAUTOWAH_NONE: break;
case EAXAUTOWAH_ALLPARAMETERS: call.set_value<Exception>(props); break;
case EAXAUTOWAH_ATTACKTIME: call.set_value<Exception>(props.flAttackTime); break;
case EAXAUTOWAH_RELEASETIME: call.set_value<Exception>(props.flReleaseTime); break;
case EAXAUTOWAH_RESONANCE: call.set_value<Exception>(props.lResonance); break;
case EAXAUTOWAH_PEAKLEVEL: call.set_value<Exception>(props.lPeakLevel); break;
default: fail_unknown_property_id();
}
}
void EaxAutowahCommitter::Set(const EaxCall &call, EAXAUTOWAHPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXAUTOWAH_NONE: break;
case EAXAUTOWAH_ALLPARAMETERS: defer<AllValidator>(call, props); break;
case EAXAUTOWAH_ATTACKTIME: defer<AttackTimeValidator>(call, props.flAttackTime); break;
case EAXAUTOWAH_RELEASETIME: defer<ReleaseTimeValidator>(call, props.flReleaseTime); break;
case EAXAUTOWAH_RESONANCE: defer<ResonanceValidator>(call, props.lResonance); break;
case EAXAUTOWAH_PEAKLEVEL: defer<PeakLevelValidator>(call, props.lPeakLevel); break;
default: fail_unknown_property_id();
}
}
#endif // ALSOFT_EAX
|
