/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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Contents of /linuxsampler/trunk/src/engines/gig/Voice.cpp

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Revision 3625 - (show annotations) (download)
Thu Oct 3 13:37:25 2019 UTC (4 years, 5 months ago) by schoenebeck
File size: 28781 byte(s)
* gig format extension: Added support for different LFO wave forms
  (currently either sine [default], triangle, saw or square).

* gig format extension: Added support for LFO phase displacement
  (0°..360°).

* gig format extension: Added support for flipping LFO polarity on LFO 3
  (in the original gig format this was only available for LFO 1 and LFO 2).

* Bumped version (2.1.1.svn22).

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005 - 2008 Christian Schoenebeck *
7 * Copyright (C) 2009 Christian Schoenebeck and Grigor Iliev *
8 * Copyright (C) 2010 - 2017 Christian Schoenebeck and Andreas Persson *
9 * *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the Free Software *
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
23 * MA 02111-1307 USA *
24 ***************************************************************************/
25
26 #include "../../common/Features.h"
27 #include "Synthesizer.h"
28 #include "Profiler.h"
29 #include "Engine.h"
30 #include "EngineChannel.h"
31
32 #include "Voice.h"
33
34 namespace LinuxSampler { namespace gig {
35
36 // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
37 inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
38 // simply assuming equally mapped enums on both sides
39 return static_cast<LFO::wave_t>(wave);
40 }
41
42 Voice::Voice() {
43 pEngine = NULL;
44 pEG1 = &EG1;
45 pEG2 = &EG2;
46 }
47
48 Voice::~Voice() {
49 }
50
51 EngineChannel* Voice::GetGigEngineChannel() {
52 return static_cast<EngineChannel*>(pEngineChannel);
53 }
54
55 void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
56 Engine* engine = static_cast<Engine*>(pEngine);
57 this->pEngine = engine;
58 this->pDiskThread = engine->pDiskThread;
59 dmsg(6,("Voice::SetEngine()\n"));
60 }
61
62 Voice::SampleInfo Voice::GetSampleInfo() {
63 SampleInfo si;
64 si.SampleRate = pSample->SamplesPerSecond;
65 si.ChannelCount = pSample->Channels;
66 si.FrameSize = pSample->FrameSize;
67 si.BitDepth = pSample->BitDepth;
68 si.TotalFrameCount = (uint)pSample->SamplesTotal;
69
70 si.HasLoops = pRegion->SampleLoops;
71 si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
72 si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
73 si.LoopPlayCount = pSample->LoopPlayCount;
74 si.Unpitched = !pRegion->PitchTrack;
75
76 return si;
77 }
78
79 Voice::RegionInfo Voice::GetRegionInfo() {
80 RegionInfo ri;
81 ri.UnityNote = pRegion->UnityNote;
82 ri.FineTune = pRegion->FineTune;
83 ri.Pan = pRegion->Pan;
84 ri.SampleStartOffset = pRegion->SampleStartOffset;
85
86 ri.EG2PreAttack = pRegion->EG2PreAttack;
87 ri.EG2Attack = pRegion->EG2Attack;
88 ri.EG2Decay1 = pRegion->EG2Decay1;
89 ri.EG2Decay2 = pRegion->EG2Decay2;
90 ri.EG2Sustain = pRegion->EG2Sustain;
91 ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
92 ri.EG2Release = pRegion->EG2Release;
93
94 ri.EG3Attack = pRegion->EG3Attack;
95 ri.EG3Depth = pRegion->EG3Depth;
96 ri.VCFEnabled = pRegion->VCFEnabled;
97 ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
98 ri.VCFResonance = pRegion->VCFResonance;
99
100 ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
101
102 return ri;
103 }
104
105 Voice::InstrumentInfo Voice::GetInstrumentInfo() {
106 InstrumentInfo ii;
107 ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
108 ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
109
110 return ii;
111 }
112
113 double Voice::GetSampleAttenuation() {
114 return pRegion->SampleAttenuation;
115 }
116
117 double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
118 return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
119 }
120
121 double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
122 return pRegion->GetVelocityRelease(MIDIKeyVelocity);
123 }
124
125 void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
126 if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
127 if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
128 itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
129 CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
130 }
131 }
132 }
133
134 void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
135 if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
136 if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
137 CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
138 }
139 }
140 }
141
142 void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
143 // Not used so far
144 }
145
146 void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
147 int ccvalue = itEvent->Param.CC.Value;
148 if (VCFCutoffCtrl.value == ccvalue) return;
149 VCFCutoffCtrl.value = ccvalue;
150 if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
151 if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
152 float cutoff = CutoffBase * float(ccvalue);
153 if (cutoff > 127.0f) cutoff = 127.0f;
154
155 VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
156 fFinalCutoff = cutoff;
157 }
158
159 double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
160 float crossfadeVolume;
161 switch (pRegion->AttenuationController.type) {
162 case ::gig::attenuation_ctrl_t::type_channelaftertouch:
163 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
164 break;
165 case ::gig::attenuation_ctrl_t::type_velocity:
166 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
167 break;
168 case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
169 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
170 break;
171 case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
172 default:
173 crossfadeVolume = 1.0f;
174 }
175
176 return crossfadeVolume;
177 }
178
179 double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
180 double eg1controllervalue = 0;
181 switch (pRegion->EG1Controller.type) {
182 case ::gig::eg1_ctrl_t::type_none: // no controller defined
183 eg1controllervalue = 0;
184 break;
185 case ::gig::eg1_ctrl_t::type_channelaftertouch:
186 eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
187 break;
188 case ::gig::eg1_ctrl_t::type_velocity:
189 eg1controllervalue = MIDIKeyVelocity;
190 break;
191 case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
192 eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
193 break;
194 }
195 if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
196
197 return eg1controllervalue;
198 }
199
200 Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
201 EGInfo eg;
202 // (eg1attack is different from the others)
203 if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
204 (pRegion->EG1ControllerAttackInfluence == 0 ||
205 eg1ControllerValue <= 10)) { // strange GSt special case
206 eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
207 } else {
208 eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
209 1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
210 1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
211 }
212 eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
213 eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
214
215 return eg;
216 }
217
218 double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
219 double eg2controllervalue = 0;
220 switch (pRegion->EG2Controller.type) {
221 case ::gig::eg2_ctrl_t::type_none: // no controller defined
222 eg2controllervalue = 0;
223 break;
224 case ::gig::eg2_ctrl_t::type_channelaftertouch:
225 eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
226 break;
227 case ::gig::eg2_ctrl_t::type_velocity:
228 eg2controllervalue = MIDIKeyVelocity;
229 break;
230 case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
231 eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
232 break;
233 }
234 if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
235
236 return eg2controllervalue;
237 }
238
239 Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
240 EGInfo eg;
241 eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
242 eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
243 eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
244
245 return eg;
246 }
247
248 void Voice::InitLFO1() {
249 uint16_t lfo1_internal_depth;
250 switch (pRegion->LFO1Controller) {
251 case ::gig::lfo1_ctrl_internal:
252 lfo1_internal_depth = pRegion->LFO1InternalDepth;
253 pLFO1->ExtController = 0; // no external controller
254 bLFO1Enabled = (lfo1_internal_depth > 0);
255 break;
256 case ::gig::lfo1_ctrl_modwheel:
257 lfo1_internal_depth = 0;
258 pLFO1->ExtController = 1; // MIDI controller 1
259 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
260 break;
261 case ::gig::lfo1_ctrl_breath:
262 lfo1_internal_depth = 0;
263 pLFO1->ExtController = 2; // MIDI controller 2
264 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
265 break;
266 case ::gig::lfo1_ctrl_internal_modwheel:
267 lfo1_internal_depth = pRegion->LFO1InternalDepth;
268 pLFO1->ExtController = 1; // MIDI controller 1
269 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
270 break;
271 case ::gig::lfo1_ctrl_internal_breath:
272 lfo1_internal_depth = pRegion->LFO1InternalDepth;
273 pLFO1->ExtController = 2; // MIDI controller 2
274 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
275 break;
276 default:
277 lfo1_internal_depth = 0;
278 pLFO1->ExtController = 0; // no external controller
279 bLFO1Enabled = false;
280 }
281 if (bLFO1Enabled) {
282 pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
283 pRegion->LFO1Frequency,
284 pRegion->LFO1Phase,
285 LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
286 lfo1_internal_depth,
287 pRegion->LFO1ControlDepth,
288 pRegion->LFO1FlipPhase,
289 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
290 pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
291 pLFO1->setScriptDepthFactor(
292 pNote->Override.AmpLFODepth.Value,
293 pNote->Override.AmpLFODepth.Final
294 );
295 if (pNote->Override.AmpLFOFreq.isFinal())
296 pLFO1->setScriptFrequencyFinal(
297 pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
298 );
299 else
300 pLFO1->setScriptFrequencyFactor(
301 pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
302 );
303 }
304 }
305
306 void Voice::InitLFO2() {
307 uint16_t lfo2_internal_depth;
308 switch (pRegion->LFO2Controller) {
309 case ::gig::lfo2_ctrl_internal:
310 lfo2_internal_depth = pRegion->LFO2InternalDepth;
311 pLFO2->ExtController = 0; // no external controller
312 bLFO2Enabled = (lfo2_internal_depth > 0);
313 break;
314 case ::gig::lfo2_ctrl_modwheel:
315 lfo2_internal_depth = 0;
316 pLFO2->ExtController = 1; // MIDI controller 1
317 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
318 break;
319 case ::gig::lfo2_ctrl_foot:
320 lfo2_internal_depth = 0;
321 pLFO2->ExtController = 4; // MIDI controller 4
322 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
323 break;
324 case ::gig::lfo2_ctrl_internal_modwheel:
325 lfo2_internal_depth = pRegion->LFO2InternalDepth;
326 pLFO2->ExtController = 1; // MIDI controller 1
327 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
328 break;
329 case ::gig::lfo2_ctrl_internal_foot:
330 lfo2_internal_depth = pRegion->LFO2InternalDepth;
331 pLFO2->ExtController = 4; // MIDI controller 4
332 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
333 break;
334 default:
335 lfo2_internal_depth = 0;
336 pLFO2->ExtController = 0; // no external controller
337 bLFO2Enabled = false;
338 }
339 if (bLFO2Enabled) {
340 pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
341 pRegion->LFO2Frequency,
342 pRegion->LFO2Phase,
343 LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
344 lfo2_internal_depth,
345 pRegion->LFO2ControlDepth,
346 pRegion->LFO2FlipPhase,
347 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
348 pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
349 pLFO2->setScriptDepthFactor(
350 pNote->Override.CutoffLFODepth.Value,
351 pNote->Override.CutoffLFODepth.Final
352 );
353 if (pNote->Override.CutoffLFOFreq.isFinal())
354 pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
355 else
356 pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
357 }
358 }
359
360 void Voice::InitLFO3() {
361 uint16_t lfo3_internal_depth;
362 switch (pRegion->LFO3Controller) {
363 case ::gig::lfo3_ctrl_internal:
364 lfo3_internal_depth = pRegion->LFO3InternalDepth;
365 pLFO3->ExtController = 0; // no external controller
366 bLFO3Enabled = (lfo3_internal_depth > 0);
367 break;
368 case ::gig::lfo3_ctrl_modwheel:
369 lfo3_internal_depth = 0;
370 pLFO3->ExtController = 1; // MIDI controller 1
371 bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
372 break;
373 case ::gig::lfo3_ctrl_aftertouch:
374 lfo3_internal_depth = 0;
375 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
376 bLFO3Enabled = true;
377 break;
378 case ::gig::lfo3_ctrl_internal_modwheel:
379 lfo3_internal_depth = pRegion->LFO3InternalDepth;
380 pLFO3->ExtController = 1; // MIDI controller 1
381 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
382 break;
383 case ::gig::lfo3_ctrl_internal_aftertouch:
384 lfo3_internal_depth = pRegion->LFO3InternalDepth;
385 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
386 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
387 break;
388 default:
389 lfo3_internal_depth = 0;
390 pLFO3->ExtController = 0; // no external controller
391 bLFO3Enabled = false;
392 }
393 if (bLFO3Enabled) {
394 pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
395 pRegion->LFO3Frequency,
396 pRegion->LFO3Phase,
397 LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
398 lfo3_internal_depth,
399 pRegion->LFO3ControlDepth,
400 pRegion->LFO3FlipPhase,
401 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
402 pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
403 pLFO3->setScriptDepthFactor(
404 pNote->Override.PitchLFODepth.Value,
405 pNote->Override.PitchLFODepth.Final
406 );
407 if (pNote->Override.PitchLFOFreq.isFinal())
408 pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
409 else
410 pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
411 }
412 }
413
414 float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
415 float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
416 if (pRegion->VCFKeyboardTracking) {
417 cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
418 }
419 return cutoff;
420 }
421
422 float Voice::CalculateFinalCutoff(float cutoffBase) {
423 int cvalue;
424 if (VCFCutoffCtrl.controller) {
425 cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
426 if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
427 // VCFVelocityScale in this case means Minimum cutoff
428 if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
429 }
430 else {
431 cvalue = pRegion->VCFCutoff;
432 }
433 float fco = cutoffBase * float(cvalue);
434 if (fco > 127.0f) fco = 127.0f;
435
436 return fco;
437 }
438
439 uint8_t Voice::GetVCFCutoffCtrl() {
440 uint8_t ctrl;
441 switch (pRegion->VCFCutoffController) {
442 case ::gig::vcf_cutoff_ctrl_modwheel:
443 ctrl = 1;
444 break;
445 case ::gig::vcf_cutoff_ctrl_effect1:
446 ctrl = 12;
447 break;
448 case ::gig::vcf_cutoff_ctrl_effect2:
449 ctrl = 13;
450 break;
451 case ::gig::vcf_cutoff_ctrl_breath:
452 ctrl = 2;
453 break;
454 case ::gig::vcf_cutoff_ctrl_foot:
455 ctrl = 4;
456 break;
457 case ::gig::vcf_cutoff_ctrl_sustainpedal:
458 ctrl = 64;
459 break;
460 case ::gig::vcf_cutoff_ctrl_softpedal:
461 ctrl = 67;
462 break;
463 case ::gig::vcf_cutoff_ctrl_genpurpose7:
464 ctrl = 82;
465 break;
466 case ::gig::vcf_cutoff_ctrl_genpurpose8:
467 ctrl = 83;
468 break;
469 case ::gig::vcf_cutoff_ctrl_aftertouch:
470 ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
471 break;
472 case ::gig::vcf_cutoff_ctrl_none:
473 default:
474 ctrl = 0;
475 break;
476 }
477
478 return ctrl;
479 }
480
481 uint8_t Voice::GetVCFResonanceCtrl() {
482 uint8_t ctrl;
483 switch (pRegion->VCFResonanceController) {
484 case ::gig::vcf_res_ctrl_genpurpose3:
485 ctrl = 18;
486 break;
487 case ::gig::vcf_res_ctrl_genpurpose4:
488 ctrl = 19;
489 break;
490 case ::gig::vcf_res_ctrl_genpurpose5:
491 ctrl = 80;
492 break;
493 case ::gig::vcf_res_ctrl_genpurpose6:
494 ctrl = 81;
495 break;
496 case ::gig::vcf_res_ctrl_none:
497 default:
498 ctrl = 0;
499 }
500
501 return ctrl;
502 }
503
504 void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
505 EG1.setStateOptions(
506 pRegion->EG1Options.AttackCancel,
507 pRegion->EG1Options.AttackHoldCancel,
508 pRegion->EG1Options.Decay1Cancel,
509 pRegion->EG1Options.Decay2Cancel,
510 pRegion->EG1Options.ReleaseCancel
511 );
512 EG1.trigger(pRegion->EG1PreAttack,
513 (pNote && pNote->Override.Attack.isFinal()) ?
514 pNote->Override.Attack.Value :
515 RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
516 pRegion->EG1Hold,
517 (pNote && pNote->Override.Decay.isFinal()) ?
518 pNote->Override.Decay.Value :
519 pRegion->EG1Decay1 * egInfo.Decay * velrelease,
520 (pNote && pNote->Override.Decay.isFinal()) ?
521 pNote->Override.Decay.Value :
522 pRegion->EG1Decay2 * egInfo.Decay * velrelease,
523 pRegion->EG1InfiniteSustain,
524 (pNote && pNote->Override.Sustain.Final) ?
525 uint(pNote->Override.Sustain.Value * 1000.f) :
526 pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
527 (pNote && pNote->Override.Release.isFinal()) ?
528 pNote->Override.Release.Value :
529 RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
530 velocityAttenuation,
531 sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
532 }
533
534 void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
535 EG2.setStateOptions(
536 pRegion->EG2Options.AttackCancel,
537 pRegion->EG2Options.AttackHoldCancel,
538 pRegion->EG2Options.Decay1Cancel,
539 pRegion->EG2Options.Decay2Cancel,
540 pRegion->EG2Options.ReleaseCancel
541 );
542 EG2.trigger(uint(RgnInfo.EG2PreAttack),
543 (pNote && pNote->Override.CutoffAttack.isFinal()) ?
544 pNote->Override.CutoffAttack.Value :
545 RgnInfo.EG2Attack * egInfo.Attack,
546 false,
547 (pNote && pNote->Override.CutoffDecay.isFinal()) ?
548 pNote->Override.CutoffDecay.Value :
549 RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
550 (pNote && pNote->Override.CutoffDecay.isFinal()) ?
551 pNote->Override.CutoffDecay.Value :
552 RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
553 RgnInfo.EG2InfiniteSustain,
554 (pNote && pNote->Override.CutoffSustain.Final) ?
555 uint(pNote->Override.CutoffSustain.Value * 1000.f) :
556 uint(RgnInfo.EG2Sustain),
557 (pNote && pNote->Override.CutoffRelease.isFinal()) ?
558 pNote->Override.CutoffRelease.Value :
559 RgnInfo.EG2Release * egInfo.Release * velrelease,
560 velocityAttenuation,
561 sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
562 }
563
564 void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
565 dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
566
567 // TODO: The SustainPedal condition could be wrong, maybe the
568 // check should be if this Voice is in release stage or is a
569 // release sample instead. Need to test this in GSt.
570 // -- Andreas
571 //
572 // Commented sustain pedal check out. I don't think voices of the same
573 // note should be stopped at all, because it doesn't sound naturally
574 // with a drumkit.
575 // -- Christian, 2013-01-08
576 if (itEvent->Param.Note.Key != HostKey() /*||
577 !GetGigEngineChannel()->SustainPedal*/) {
578 dmsg(4,("Voice %p - kill", (void*)this));
579
580 // kill the voice fast
581 pEG1->enterFadeOutStage();
582 }
583 }
584
585 void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
586 EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
587 }
588
589 int Voice::CalculatePan(uint8_t pan) {
590 int p;
591 // Gst behaviour: -64 and 63 are special cases
592 if (RgnInfo.Pan == -64) p = pan * 2 - 127;
593 else if (RgnInfo.Pan == 63) p = pan * 2;
594 else p = pan + RgnInfo.Pan;
595
596 if (p < 0) return 0;
597 if (p > 127) return 127;
598 return p;
599 }
600
601 release_trigger_t Voice::GetReleaseTriggerFlags() {
602 release_trigger_t flags =
603 (pRegion->NoNoteOffReleaseTrigger) ?
604 release_trigger_none : release_trigger_noteoff; //HACK: currently this method is actually only called by EngineBase if it already knows that this voice requires release trigger, so I took the short way instead of checking (again) the existence of a ::gig::dimension_releasetrigger
605 switch (pRegion->SustainReleaseTrigger) {
606 case ::gig::sust_rel_trg_none:
607 break;
608 case ::gig::sust_rel_trg_maxvelocity:
609 flags |= release_trigger_sustain_maxvelocity;
610 break;
611 case ::gig::sust_rel_trg_keyvelocity:
612 flags |= release_trigger_sustain_keyvelocity;
613 break;
614 }
615 return flags;
616 }
617
618 }} // namespace LinuxSampler::gig

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