-
Notifications
You must be signed in to change notification settings - Fork 7
/
scrubbyformalities.cpp
462 lines (408 loc) · 18.9 KB
/
scrubbyformalities.cpp
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
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
/*------------------------------------------------------------------------
Copyright (C) 2002-2024 Sophia Poirier
This file is part of Scrubby.
Scrubby is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Scrubby is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Scrubby. If not, see <http:https://www.gnu.org/licenses/>.
To contact the author, use the contact form at http:https://destroyfx.org
------------------------------------------------------------------------*/
#include "scrubby.h"
#include <algorithm>
#include <array>
#include <cmath>
#include "dfxmisc.h"
#pragma mark init
// this macro does boring entry point stuff for us
DFX_EFFECT_ENTRY(Scrubby)
//-----------------------------------------------------------------------------
// initializations and such
Scrubby::Scrubby(TARGET_API_BASE_INSTANCE_TYPE inInstance)
: DfxPlugin(inInstance, kNumParameters, kNumPresets)
{
// initialize the parameters
auto const numTempoRates = mTempoRateTable.getNumRates();
auto const unitTempoRateIndex = mTempoRateTable.getNearestTempoRateIndex(1.);
initparameter_f(kSeekRange, {"seek range", "SeekRng", "SekRng", "SkRg"}, 333., 333., 0.3, 6000., DfxParam::Unit::MS, DfxParam::Curve::Squared);
initparameter_b(kFreeze, {dfx::kParameterNames_Freeze}, false);
initparameter_f(kSeekRate_Hz, {"seek rate (free)", "SekRtFr", "SkRtFr", "SkRF"}, 9., 3., 0.3, 810., DfxParam::Unit::Hz, DfxParam::Curve::Log);//DfxParam::Curve::Cubed
initparameter_list(kSeekRate_Sync, {"seek rate (sync)", "SekRtSc", "SkRtSc", "SkRS"}, unitTempoRateIndex, unitTempoRateIndex, numTempoRates, DfxParam::Unit::Beats);
initparameter_f(kSeekRateRandMin_Hz, {"seek rate rand min (free)", "SkRtMnF", "SkRtMF", "SRMF"}, 9.0, 3.0, 0.3, 810.0, DfxParam::Unit::Hz, DfxParam::Curve::Log);//DfxParam::Curve::Cubed
initparameter_list(kSeekRateRandMin_Sync, {"seek rate rand min (sync)", "SkRtMnS", "SkRtMS", "SRMS"}, unitTempoRateIndex, unitTempoRateIndex, numTempoRates, DfxParam::Unit::Beats);
initparameter_b(kTempoSync, {dfx::kParameterNames_TempoSync}, false);
initparameter_f(kSeekDur, {"seek duration", "SeekDur", "SekDur", "SkDr"}, 100., 100., 3., 100., DfxParam::Unit::Percent); // percent of range
initparameter_f(kSeekDurRandMin, {"seek dur rand min", "SekDrMn", "SekDrM", "SkDM"}, 100., 100., 3., 100., DfxParam::Unit::Percent); // percent of range
initparameter_list(kSpeedMode, {"speeds", "Spee"}, kSpeedMode_Robot, kSpeedMode_Robot, kNumSpeedModes);
initparameter_b(kSplitChannels, {"channels split", "Channel", "Chanel", "Chan"}, false);
initparameter_b(kPitchConstraint, {"pitch constraint", "PtchCon", "PtchCn", "Ptch"}, false);
// default all notes to off (looks better on the GUI)
// no, I changed my mind, at least leave one note on so that the user isn't
// confused the first time turning on pitch constraint and getting silence
initparameter_b(kPitchStep0, {"semi0 (unity/octave)"}, true, false);
initparameter_b(kPitchStep1, {"semi1 (minor 2nd)"}, false);
initparameter_b(kPitchStep2, {"semi2 (major 2nd)"}, false);
initparameter_b(kPitchStep3, {"semi3 (minor 3rd)"}, false);
initparameter_b(kPitchStep4, {"semi4 (major 3rd)"}, false);
initparameter_b(kPitchStep5, {"semi5 (perfect 4th)"}, false);
initparameter_b(kPitchStep6, {"semi6 (augmented 4th)"}, false);
initparameter_b(kPitchStep7, {"semi7 (perfect 5th)"}, false);
initparameter_b(kPitchStep8, {"semi8 (minor 6th)"}, false);
initparameter_b(kPitchStep9, {"semi9 (major 6th)"}, false);
initparameter_b(kPitchStep10, {"semi10 (minor 7th)"}, false);
initparameter_b(kPitchStep11, {"semi11 (major 7th)"}, false);
initparameter_i(kOctaveMin, {"octave minimum", "OctvMin", "OctvMn", "8va["}, kOctave_MinValue, kOctave_MinValue, kOctave_MinValue, 0, DfxParam::Unit::Octaves);
setparameterusevaluestrings(kOctaveMin, true);
initparameter_i(kOctaveMax, {"octave maximum", "OctvMax", "OctvMx", "8va]"}, kOctave_MaxValue, kOctave_MaxValue, 0, kOctave_MaxValue, DfxParam::Unit::Octaves);
setparameterusevaluestrings(kOctaveMax, true);
initparameter_f(kTempo, {dfx::kParameterNames_Tempo}, 120., 120., 39., 480., DfxParam::Unit::BPM);
initparameter_b(kTempoAuto, {dfx::kParameterNames_TempoAuto}, true);
initparameter_f(kPredelay, {"predelay", "PreDela", "PreDel", "PDel"}, 0., 50., 0., 100., DfxParam::Unit::Percent); // percent of range
initparameter_f(kDryLevel, {"dry level", "DryLevl", "DryLvl", "Dry"}, 0., 0.5, 0., 1., DfxParam::Unit::LinearGain, DfxParam::Curve::Squared);
initparameter_f(kWetLevel, {"wet level", "WetLevl", "WetLvl", "Wet"}, 1., 0.5, 0., 1., DfxParam::Unit::LinearGain, DfxParam::Curve::Squared);
setparameterenforcevaluelimits(kPredelay, true);
// set the value strings for the sync rate parameters
for (size_t i = 0; i < numTempoRates; i++)
{
auto const& tempoRateName = mTempoRateTable.getDisplay(i);
setparametervaluestring(kSeekRate_Sync, i, tempoRateName);
setparametervaluestring(kSeekRateRandMin_Sync, i, tempoRateName);
}
// set the value strings for the speed modes
setparametervaluestring(kSpeedMode, kSpeedMode_Robot, "robot");
setparametervaluestring(kSpeedMode, kSpeedMode_DJ, "DJ");
// set the value strings for the octave range parameters
setparametervaluestring(kOctaveMin, getparametermin_i(kOctaveMin), "no min");
for (long i = getparametermin_i(kOctaveMin) + 1; i <= getparametermax_i(kOctaveMin); i++)
{
setparametervaluestring(kOctaveMin, i, std::to_string(i));
}
for (long i = getparametermin_i(kOctaveMax); i < getparametermax_i(kOctaveMax); i++)
{
auto const prefix = (i > 0) ? "+" : "";
auto const octaveName = prefix + std::to_string(i);
setparametervaluestring(kOctaveMax, i, octaveName);
}
setparametervaluestring(kOctaveMax, getparametermax_i(kOctaveMax), "no max");
addparameterattributes(kFreeze, DfxParam::kAttribute_OmitFromRandomizeAll);
addparameterattributes(kPredelay, DfxParam::kAttribute_OmitFromRandomizeAll);
// the mix level parameters are "omitted" only in the sense that we manually handle their randomization
addparameterattributes(kDryLevel, DfxParam::kAttribute_OmitFromRandomizeAll);
addparameterattributes(kWetLevel, DfxParam::kAttribute_OmitFromRandomizeAll);
addparametergroup("pitch control", {kPitchConstraint, kPitchStep0, kPitchStep1, kPitchStep2, kPitchStep3, kPitchStep4, kPitchStep5, kPitchStep6, kPitchStep7, kPitchStep8, kPitchStep9, kPitchStep10, kPitchStep11});
settailsize_seconds(getparametermax_f(kSeekRange) * 0.001 / getparametermin_f(kSeekRate_Hz));
setpresetname(0, "scub"); // default preset name
initPresets();
addchannelconfig(kChannelConfig_AnyMatchedIO); // N-in/N-out
addchannelconfig(1, kChannelConfigCount_Any); // 1-in/N-out
registerSmoothedAudioValue(mInputGain);
registerSmoothedAudioValue(mOutputGain);
mCurrentTempoBPS = getparameter_f(kTempo) / 60.0;
}
//-------------------------------------------------------------------------
void Scrubby::dfx_PostConstructor()
{
// since we don't use pitchbend for anything special,
// allow it be assigned to control parameters
getsettings().setAllowPitchbendEvents(true);
// can't load old VST-style settings
getsettings().setLowestLoadableVersion(0x00010100);
}
//-------------------------------------------------------------------------
void Scrubby::initialize()
{
// the number of samples in the maximum seek range,
// dividing by the minimum seek rate for extra leeway while moving
mMaxAudioBufferSize = std::lround(getparametermax_f(kSeekRange) * 0.001 * getsamplerate_f() / getparametermin_f(kSeekRate_Hz));
mMaxAudioBufferSize_f = static_cast<double>(mMaxAudioBufferSize);
auto const numChannels = getnumoutputs();
mAudioBuffers.assign(numChannels, {});
for (auto& buffer : mAudioBuffers)
{
buffer.assign(mMaxAudioBufferSize, 0.0f);
}
mReadPos.assign(numChannels, 0.0);
mReadStep.assign(numChannels, 0.0);
mPortamentoStep.assign(numChannels, 0.0);
mMoveCount.assign(numChannels, 0);
mSeekCount.assign(numChannels, 0);
mNeedResync.assign(numChannels, false);
mHighpassFilters.assign(numChannels, {});
std::ranges::for_each(mHighpassFilters, [this](auto& filter)
{
filter.setSampleRate(getsamplerate());
filter.setHighpassCoefficients(kHighpassFilterCutoff);
});
setlatency_seconds((getparameter_f(kSeekRange) * 0.001) * getparameter_scalar(kPredelay));
}
//-----------------------------------------------------------------------------
void Scrubby::cleanup()
{
mAudioBuffers = {};
mReadPos = {};
mReadStep = {};
mPortamentoStep = {};
mMoveCount = {};
mSeekCount = {};
mNeedResync = {};
mHighpassFilters = {};
}
//-------------------------------------------------------------------------
void Scrubby::reset()
{
// clear out the buffers
for (auto& buffer : mAudioBuffers)
{
std::ranges::fill(buffer, 0.f);
}
std::ranges::fill(mReadPos, 0.001);
std::ranges::fill(mReadStep, 1.);
#if USE_LINEAR_ACCELERATION
std::ranges::fill(mPortamentoStep, 0.);
#else
std::ranges::fill(mPortamentoStep, 1.);
#endif
std::ranges::fill(mMoveCount, 0);
std::ranges::fill(mSeekCount, 0);
// some hosts may call reset when restarting playback
std::ranges::fill(mNeedResync, true);
std::ranges::for_each(mHighpassFilters, [](auto& filter){ filter.reset(); });
// reset the position tracker
mWritePos = 0;
// delete any stored active notes
for (size_t i = 0; i < mActiveNotesTable.size(); i++)
{
if (std::exchange(mActiveNotesTable[i], 0) > 0)
{
setparameterquietly_b(static_cast<dfx::ParameterID>(i) + kPitchStep0, false);
postupdate_parameter(static_cast<dfx::ParameterID>(i) + kPitchStep0);
}
}
mSineCount = 0;
}
#pragma mark -
#pragma mark presets
//-------------------------------------------------------------------------
void Scrubby::initPresets()
{
size_t i = 1;
setpresetname(i, "happy machine");
setpresetparameter_f(i, kSeekRange, 603.0);
setpresetparameter_b(i, kFreeze, false);
setpresetparameter_f(i, kSeekRate_Hz, 11.547);
setpresetparameter_f(i, kSeekRateRandMin_Hz, 11.547);
setpresetparameter_b(i, kTempoSync, false);
setpresetparameter_f(i, kSeekDur, 40.8);
setpresetparameter_f(i, kSeekDurRandMin, 40.8);
setpresetparameter_i(i, kSpeedMode, kSpeedMode_Robot);
setpresetparameter_b(i, kSplitChannels, false);
setpresetparameter_b(i, kPitchConstraint, true);
setpresetparameter_i(i, kOctaveMin, getparametermin_i(kOctaveMin));
setpresetparameter_i(i, kOctaveMax, 1);
setpresetparameter_b(i, kPitchStep0, true);
setpresetparameter_b(i, kPitchStep1, false);
setpresetparameter_b(i, kPitchStep2, false);
setpresetparameter_b(i, kPitchStep3, false);
setpresetparameter_b(i, kPitchStep4, false);
setpresetparameter_b(i, kPitchStep5, false);
setpresetparameter_b(i, kPitchStep6, false);
setpresetparameter_b(i, kPitchStep7, true);
setpresetparameter_b(i, kPitchStep8, false);
setpresetparameter_b(i, kPitchStep9, false);
setpresetparameter_b(i, kPitchStep10, false);
setpresetparameter_b(i, kPitchStep11, false);
setpresetparameter_f(i, kDryLevel, 0.);
setpresetparameter_f(i, kWetLevel, 1.);
i++;
setpresetname(i, "fake chorus");
setpresetparameter_f(i, kSeekRange, 3.0);
setpresetparameter_b(i, kFreeze, false);
setpresetparameter_f(i, kSeekRate_Hz, 18.0);
setpresetparameter_f(i, kSeekRateRandMin_Hz, 18.0);
setpresetparameter_b(i, kTempoSync, false);
setpresetparameter_f(i, kSeekDur, 100.0);
setpresetparameter_f(i, kSeekDurRandMin, 100.0);
setpresetparameter_i(i, kSpeedMode, kSpeedMode_Robot);
setpresetparameter_b(i, kSplitChannels, true);
setpresetparameter_b(i, kPitchConstraint, false);
setpresetparameter_f(i, kDryLevel, 0.);
setpresetparameter_f(i, kWetLevel, 1.);
i++;
setpresetname(i, "broken turntable");
setpresetparameter_f(i, kSeekRange, 3000.0);
setpresetparameter_b(i, kFreeze, false);
setpresetparameter_f(i, kSeekRate_Hz, 6.0);
setpresetparameter_f(i, kSeekRateRandMin_Hz, 6.0);
setpresetparameter_b(i, kTempoSync, false);
setpresetparameter_f(i, kSeekDur, 100.0);
setpresetparameter_f(i, kSeekDurRandMin, 100.0);
setpresetparameter_i(i, kSpeedMode, kSpeedMode_DJ);
setpresetparameter_b(i, kSplitChannels, false);
setpresetparameter_b(i, kPitchConstraint, false);
setpresetparameter_f(i, kDryLevel, 0.);
setpresetparameter_f(i, kWetLevel, 1.);
i++;
setpresetname(i, "blib");
setpresetparameter_f(i, kSeekRange, 270.0);
setpresetparameter_b(i, kFreeze, false);
setpresetparameter_f(i, kSeekRate_Hz, 420.0);
setpresetparameter_f(i, kSeekRateRandMin_Hz, 7.2);
setpresetparameter_b(i, kTempoSync, false);
setpresetparameter_f(i, kSeekDur, 57.0);
setpresetparameter_f(i, kSeekDurRandMin, 30.0);
setpresetparameter_i(i, kSpeedMode, kSpeedMode_Robot);
setpresetparameter_b(i, kSplitChannels, false);
setpresetparameter_b(i, kPitchConstraint, false);
setpresetparameter_f(i, kDryLevel, 0.);
setpresetparameter_f(i, kWetLevel, 1.);
i++;
setpresetname(i, "DJ staccato");
setpresetparameter_f(i, kSeekRange, 1800.0);
setpresetparameter_b(i, kFreeze, false);
setpresetparameter_i(i, kSeekRate_Sync, mTempoRateTable.getNearestTempoRateIndex(2.));
setpresetparameter_i(i, kSeekRateRandMin_Sync, mTempoRateTable.getNearestTempoRateIndex(2.));
setpresetparameter_b(i, kTempoSync, true);
setpresetparameter_f(i, kSeekDur, 22.2);
setpresetparameter_f(i, kSeekDurRandMin, 22.2);
setpresetparameter_i(i, kSpeedMode, kSpeedMode_DJ);
setpresetparameter_b(i, kSplitChannels, false);
setpresetparameter_b(i, kPitchConstraint, false);
setpresetparameter_b(i, kTempoAuto, true);
setpresetparameter_f(i, kDryLevel, 0.);
setpresetparameter_f(i, kWetLevel, 1.);
i++;
/*
setpresetname(i, "");
setpresetparameter_f(i, kSeekRange, );
setpresetparameter_b(i, kFreeze, );
setpresetparameter_f(i, kSeekRate_Hz, );
setpresetparameter_i(i, kSeekRate_Sync, mTempoRateTable.getNearestTempoRateIndex());
setpresetparameter_f(i, kSeekRateRandMin_Hz, );
setpresetparameter_i(i, kSeekRateRandMin_Sync, mTempoRateTable.getNearestTempoRateIndex());
setpresetparameter_b(i, kTempoSync, );
setpresetparameter_f(i, kSeekDur, );
setpresetparameter_f(i, kSeekDurRandMin, );
setpresetparameter_i(i, kSpeedMode, kSpeedMode_);
setpresetparameter_b(i, kSplitChannels, );
setpresetparameter_b(i, kPitchConstraint, );
setpresetparameter_i(i, kOctaveMin, );
setpresetparameter_i(i, kOctaveMax, );
setpresetparameter_f(i, kTempo, );
setpresetparameter_b(i, kTempoAuto, );
setpresetparameter_f(i, kPredelay, );
setpresetparameter_b(i, kPitchStep0, );
setpresetparameter_b(i, kPitchStep1, );
setpresetparameter_b(i, kPitchStep2, );
setpresetparameter_b(i, kPitchStep3, );
setpresetparameter_b(i, kPitchStep4, );
setpresetparameter_b(i, kPitchStep5, );
setpresetparameter_b(i, kPitchStep6, );
setpresetparameter_b(i, kPitchStep7, );
setpresetparameter_b(i, kPitchStep8, );
setpresetparameter_b(i, kPitchStep9, );
setpresetparameter_b(i, kPitchStep10, );
setpresetparameter_b(i, kPitchStep11, );
setpresetparameter_f(i, kDryLevel, );
setpresetparameter_f(i, kWetLevel, );
i++;
*/
}
#pragma mark -
#pragma mark parameters
//-------------------------------------------------------------------------
void Scrubby::randomizeparameters()
{
// store the current total mix gain sum
auto const entryDryLevel = getparameter_f(kDryLevel);
auto const entryWetLevel = getparameter_f(kWetLevel);
auto const entryMixSum = entryDryLevel + entryWetLevel;
DfxPlugin::randomizeparameters();
// randomize the mix parameters
auto newDryLevel = expandparametervalue(kDryLevel, generateParameterRandomValue<double>());
auto newWetLevel = expandparametervalue(kWetLevel, generateParameterRandomValue<double>());
auto const newMixSum = newDryLevel + newWetLevel;
if (newMixSum > 0.)
{
// calculate a scalar to make up for total gain changes
auto const mixDiffScalar = entryMixSum / newMixSum;
// apply the scalar to the new mix parameter values
newDryLevel = std::min(newDryLevel * mixDiffScalar, getparametermax_f(kDryLevel));
newWetLevel = std::min(newWetLevel * mixDiffScalar, getparametermax_f(kWetLevel));
}
else
{
newDryLevel = entryDryLevel;
newWetLevel = entryWetLevel;
}
// set the new randomized mix parameter values as the new values
setparameter_f(kDryLevel, newDryLevel);
setparameter_f(kWetLevel, newWetLevel);
postupdate_parameter(kDryLevel);
postupdate_parameter(kWetLevel);
}
//-------------------------------------------------------------------------
void Scrubby::processparameters()
{
mSeekRangeSeconds = getparameter_f(kSeekRange) * 0.001;
mFreeze = getparameter_b(kFreeze);
mSeekRateHz = getparameter_f(kSeekRate_Hz);
mSeekRateIndex = getparameter_index(kSeekRate_Sync);
mSeekRateSync = mTempoRateTable.getScalar(mSeekRateIndex);
auto const seekRateRandMinHz = getparameter_f(kSeekRateRandMin_Hz);
mSeekRateRandMinIndex = getparameter_index(kSeekRateRandMin_Sync);
auto const seekRateRandMinSync = mTempoRateTable.getScalar(mSeekRateRandMinIndex);
mTempoSync = getparameter_b(kTempoSync);
mSeekDur = getparameter_scalar(kSeekDur);
mSeekDurRandMin = getparameter_scalar(kSeekDurRandMin);
mSpeedMode = getparameter_i(kSpeedMode);
mSplitChannels = getparameter_b(kSplitChannels);
mPitchConstraint = getparameter_b(kPitchConstraint);
mOctaveMin = getparameter_i(kOctaveMin);
mOctaveMax = getparameter_i(kOctaveMax);
mUserTempo = getparameter_f(kTempo);
mUseHostTempo = getparameter_b(kTempoAuto);
for (size_t i = 0; i < kNumPitchSteps; i++)
{
dfx::ParameterID const parameterID = static_cast<dfx::ParameterID>(i) + kPitchStep0;
// fetch latest value regardless of whether it "changed" since MIDI notes generate internal values "quietly"
mPitchSteps[i] = getparameter_b(parameterID);
// reset the associated note in the notes table; manual changes override MIDI
if (getparameterchanged(parameterID))
{
mActiveNotesTable[i] = 0;
}
}
if (auto const value = getparameterifchanged_f(kDryLevel))
{
mInputGain = static_cast<float>(*value);
}
if (auto const value = getparameterifchanged_f(kWetLevel))
{
mOutputGain = static_cast<float>(*value);
}
// get the "generic" values of these parameters for randomization
mSeekRateHz_gen = getparameter_gen(kSeekRate_Hz);
mSeekRateRandMinHz_gen = getparameter_gen(kSeekRateRandMin_Hz);
// make sure the cycles match up if the tempo rate has changed
// or if tempo sync mode has just been switched on
if (getparameterchanged(kSeekRate_Sync) || (getparameterchanged(kTempoSync) && mTempoSync))
{
std::ranges::fill(mNeedResync, true);
}
if (getparameterchanged(kPredelay))
{
// tell the host what the length of delay compensation should be
setlatency_seconds(mSeekRangeSeconds * getparameter_scalar(kPredelay));
}
auto const entryUseSeekRateRandMin = std::exchange(mUseSeekRateRandMin, mTempoSync ? (seekRateRandMinSync < mSeekRateSync) : (seekRateRandMinHz < mSeekRateHz));
if (entryUseSeekRateRandMin && !mUseSeekRateRandMin && mTempoSync)
{
std::ranges::fill(mNeedResync, true);
}
mUseSeekDurRandMin = (mSeekDurRandMin < mSeekDur);
}