/[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 3628 - (show annotations) (download)
Sat Oct 5 14:37:31 2019 UTC (2 weeks, 1 day ago) by schoenebeck
File size: 29560 byte(s)
Fixed issues with recently added compile-time sanity checks.

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 // sanity checks: fromGigLfoWave() assumes equally mapped enums
37 static_assert(int64_t(::gig::lfo_wave_sine) == int64_t(LFO::wave_sine),
38 "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
39 static_assert(int64_t(::gig::lfo_wave_triangle) == int64_t(LFO::wave_triangle),
40 "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
41 static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw),
42 "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
43 static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square),
44 "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
45
46 // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
47 inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
48 // simply assuming equally mapped enums on both sides
49 return static_cast<LFO::wave_t>(wave);
50 }
51
52 Voice::Voice() {
53 pEngine = NULL;
54 pEG1 = &EG1;
55 pEG2 = &EG2;
56 }
57
58 Voice::~Voice() {
59 }
60
61 EngineChannel* Voice::GetGigEngineChannel() {
62 return static_cast<EngineChannel*>(pEngineChannel);
63 }
64
65 void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
66 Engine* engine = static_cast<Engine*>(pEngine);
67 this->pEngine = engine;
68 this->pDiskThread = engine->pDiskThread;
69 dmsg(6,("Voice::SetEngine()\n"));
70 }
71
72 Voice::SampleInfo Voice::GetSampleInfo() {
73 SampleInfo si;
74 si.SampleRate = pSample->SamplesPerSecond;
75 si.ChannelCount = pSample->Channels;
76 si.FrameSize = pSample->FrameSize;
77 si.BitDepth = pSample->BitDepth;
78 si.TotalFrameCount = (uint)pSample->SamplesTotal;
79
80 si.HasLoops = pRegion->SampleLoops;
81 si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
82 si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
83 si.LoopPlayCount = pSample->LoopPlayCount;
84 si.Unpitched = !pRegion->PitchTrack;
85
86 return si;
87 }
88
89 Voice::RegionInfo Voice::GetRegionInfo() {
90 RegionInfo ri;
91 ri.UnityNote = pRegion->UnityNote;
92 ri.FineTune = pRegion->FineTune;
93 ri.Pan = pRegion->Pan;
94 ri.SampleStartOffset = pRegion->SampleStartOffset;
95
96 ri.EG2PreAttack = pRegion->EG2PreAttack;
97 ri.EG2Attack = pRegion->EG2Attack;
98 ri.EG2Decay1 = pRegion->EG2Decay1;
99 ri.EG2Decay2 = pRegion->EG2Decay2;
100 ri.EG2Sustain = pRegion->EG2Sustain;
101 ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
102 ri.EG2Release = pRegion->EG2Release;
103
104 ri.EG3Attack = pRegion->EG3Attack;
105 ri.EG3Depth = pRegion->EG3Depth;
106 ri.VCFEnabled = pRegion->VCFEnabled;
107 ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
108 ri.VCFResonance = pRegion->VCFResonance;
109
110 ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
111
112 return ri;
113 }
114
115 Voice::InstrumentInfo Voice::GetInstrumentInfo() {
116 InstrumentInfo ii;
117 ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
118 ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
119
120 return ii;
121 }
122
123 double Voice::GetSampleAttenuation() {
124 return pRegion->SampleAttenuation;
125 }
126
127 double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
128 return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
129 }
130
131 double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
132 return pRegion->GetVelocityRelease(MIDIKeyVelocity);
133 }
134
135 void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
136 if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
137 if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
138 itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
139 CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
140 }
141 }
142 }
143
144 void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
145 if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
146 if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
147 CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
148 }
149 }
150 }
151
152 void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
153 // Not used so far
154 }
155
156 void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
157 int ccvalue = itEvent->Param.CC.Value;
158 if (VCFCutoffCtrl.value == ccvalue) return;
159 VCFCutoffCtrl.value = ccvalue;
160 if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
161 if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
162 float cutoff = CutoffBase * float(ccvalue);
163 if (cutoff > 127.0f) cutoff = 127.0f;
164
165 VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
166 fFinalCutoff = cutoff;
167 }
168
169 double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
170 float crossfadeVolume;
171 switch (pRegion->AttenuationController.type) {
172 case ::gig::attenuation_ctrl_t::type_channelaftertouch:
173 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
174 break;
175 case ::gig::attenuation_ctrl_t::type_velocity:
176 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
177 break;
178 case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
179 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
180 break;
181 case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
182 default:
183 crossfadeVolume = 1.0f;
184 }
185
186 return crossfadeVolume;
187 }
188
189 double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
190 double eg1controllervalue = 0;
191 switch (pRegion->EG1Controller.type) {
192 case ::gig::eg1_ctrl_t::type_none: // no controller defined
193 eg1controllervalue = 0;
194 break;
195 case ::gig::eg1_ctrl_t::type_channelaftertouch:
196 eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
197 break;
198 case ::gig::eg1_ctrl_t::type_velocity:
199 eg1controllervalue = MIDIKeyVelocity;
200 break;
201 case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
202 eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
203 break;
204 }
205 if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
206
207 return eg1controllervalue;
208 }
209
210 Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
211 EGInfo eg;
212 // (eg1attack is different from the others)
213 if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
214 (pRegion->EG1ControllerAttackInfluence == 0 ||
215 eg1ControllerValue <= 10)) { // strange GSt special case
216 eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
217 } else {
218 eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
219 1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
220 1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
221 }
222 eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
223 eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
224
225 return eg;
226 }
227
228 double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
229 double eg2controllervalue = 0;
230 switch (pRegion->EG2Controller.type) {
231 case ::gig::eg2_ctrl_t::type_none: // no controller defined
232 eg2controllervalue = 0;
233 break;
234 case ::gig::eg2_ctrl_t::type_channelaftertouch:
235 eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
236 break;
237 case ::gig::eg2_ctrl_t::type_velocity:
238 eg2controllervalue = MIDIKeyVelocity;
239 break;
240 case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
241 eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
242 break;
243 }
244 if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
245
246 return eg2controllervalue;
247 }
248
249 Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
250 EGInfo eg;
251 eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
252 eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
253 eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
254
255 return eg;
256 }
257
258 void Voice::InitLFO1() {
259 uint16_t lfo1_internal_depth;
260 switch (pRegion->LFO1Controller) {
261 case ::gig::lfo1_ctrl_internal:
262 lfo1_internal_depth = pRegion->LFO1InternalDepth;
263 pLFO1->ExtController = 0; // no external controller
264 bLFO1Enabled = (lfo1_internal_depth > 0);
265 break;
266 case ::gig::lfo1_ctrl_modwheel:
267 lfo1_internal_depth = 0;
268 pLFO1->ExtController = 1; // MIDI controller 1
269 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
270 break;
271 case ::gig::lfo1_ctrl_breath:
272 lfo1_internal_depth = 0;
273 pLFO1->ExtController = 2; // MIDI controller 2
274 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
275 break;
276 case ::gig::lfo1_ctrl_internal_modwheel:
277 lfo1_internal_depth = pRegion->LFO1InternalDepth;
278 pLFO1->ExtController = 1; // MIDI controller 1
279 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
280 break;
281 case ::gig::lfo1_ctrl_internal_breath:
282 lfo1_internal_depth = pRegion->LFO1InternalDepth;
283 pLFO1->ExtController = 2; // MIDI controller 2
284 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
285 break;
286 default:
287 lfo1_internal_depth = 0;
288 pLFO1->ExtController = 0; // no external controller
289 bLFO1Enabled = false;
290 }
291 if (bLFO1Enabled) {
292 pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
293 pRegion->LFO1Frequency,
294 pRegion->LFO1Phase,
295 LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
296 lfo1_internal_depth,
297 pRegion->LFO1ControlDepth,
298 pRegion->LFO1FlipPhase,
299 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
300 pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
301 pLFO1->setScriptDepthFactor(
302 pNote->Override.AmpLFODepth.Value,
303 pNote->Override.AmpLFODepth.Final
304 );
305 if (pNote->Override.AmpLFOFreq.isFinal())
306 pLFO1->setScriptFrequencyFinal(
307 pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
308 );
309 else
310 pLFO1->setScriptFrequencyFactor(
311 pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
312 );
313 }
314 }
315
316 void Voice::InitLFO2() {
317 uint16_t lfo2_internal_depth;
318 switch (pRegion->LFO2Controller) {
319 case ::gig::lfo2_ctrl_internal:
320 lfo2_internal_depth = pRegion->LFO2InternalDepth;
321 pLFO2->ExtController = 0; // no external controller
322 bLFO2Enabled = (lfo2_internal_depth > 0);
323 break;
324 case ::gig::lfo2_ctrl_modwheel:
325 lfo2_internal_depth = 0;
326 pLFO2->ExtController = 1; // MIDI controller 1
327 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
328 break;
329 case ::gig::lfo2_ctrl_foot:
330 lfo2_internal_depth = 0;
331 pLFO2->ExtController = 4; // MIDI controller 4
332 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
333 break;
334 case ::gig::lfo2_ctrl_internal_modwheel:
335 lfo2_internal_depth = pRegion->LFO2InternalDepth;
336 pLFO2->ExtController = 1; // MIDI controller 1
337 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
338 break;
339 case ::gig::lfo2_ctrl_internal_foot:
340 lfo2_internal_depth = pRegion->LFO2InternalDepth;
341 pLFO2->ExtController = 4; // MIDI controller 4
342 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
343 break;
344 default:
345 lfo2_internal_depth = 0;
346 pLFO2->ExtController = 0; // no external controller
347 bLFO2Enabled = false;
348 }
349 if (bLFO2Enabled) {
350 pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
351 pRegion->LFO2Frequency,
352 pRegion->LFO2Phase,
353 LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
354 lfo2_internal_depth,
355 pRegion->LFO2ControlDepth,
356 pRegion->LFO2FlipPhase,
357 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
358 pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
359 pLFO2->setScriptDepthFactor(
360 pNote->Override.CutoffLFODepth.Value,
361 pNote->Override.CutoffLFODepth.Final
362 );
363 if (pNote->Override.CutoffLFOFreq.isFinal())
364 pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
365 else
366 pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
367 }
368 }
369
370 void Voice::InitLFO3() {
371 uint16_t lfo3_internal_depth;
372 switch (pRegion->LFO3Controller) {
373 case ::gig::lfo3_ctrl_internal:
374 lfo3_internal_depth = pRegion->LFO3InternalDepth;
375 pLFO3->ExtController = 0; // no external controller
376 bLFO3Enabled = (lfo3_internal_depth > 0);
377 break;
378 case ::gig::lfo3_ctrl_modwheel:
379 lfo3_internal_depth = 0;
380 pLFO3->ExtController = 1; // MIDI controller 1
381 bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
382 break;
383 case ::gig::lfo3_ctrl_aftertouch:
384 lfo3_internal_depth = 0;
385 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
386 bLFO3Enabled = true;
387 break;
388 case ::gig::lfo3_ctrl_internal_modwheel:
389 lfo3_internal_depth = pRegion->LFO3InternalDepth;
390 pLFO3->ExtController = 1; // MIDI controller 1
391 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
392 break;
393 case ::gig::lfo3_ctrl_internal_aftertouch:
394 lfo3_internal_depth = pRegion->LFO3InternalDepth;
395 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
396 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
397 break;
398 default:
399 lfo3_internal_depth = 0;
400 pLFO3->ExtController = 0; // no external controller
401 bLFO3Enabled = false;
402 }
403 if (bLFO3Enabled) {
404 pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
405 pRegion->LFO3Frequency,
406 pRegion->LFO3Phase,
407 LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
408 lfo3_internal_depth,
409 pRegion->LFO3ControlDepth,
410 pRegion->LFO3FlipPhase,
411 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
412 pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
413 pLFO3->setScriptDepthFactor(
414 pNote->Override.PitchLFODepth.Value,
415 pNote->Override.PitchLFODepth.Final
416 );
417 if (pNote->Override.PitchLFOFreq.isFinal())
418 pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
419 else
420 pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
421 }
422 }
423
424 float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
425 float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
426 if (pRegion->VCFKeyboardTracking) {
427 cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
428 }
429 return cutoff;
430 }
431
432 float Voice::CalculateFinalCutoff(float cutoffBase) {
433 int cvalue;
434 if (VCFCutoffCtrl.controller) {
435 cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
436 if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
437 // VCFVelocityScale in this case means Minimum cutoff
438 if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
439 }
440 else {
441 cvalue = pRegion->VCFCutoff;
442 }
443 float fco = cutoffBase * float(cvalue);
444 if (fco > 127.0f) fco = 127.0f;
445
446 return fco;
447 }
448
449 uint8_t Voice::GetVCFCutoffCtrl() {
450 uint8_t ctrl;
451 switch (pRegion->VCFCutoffController) {
452 case ::gig::vcf_cutoff_ctrl_modwheel:
453 ctrl = 1;
454 break;
455 case ::gig::vcf_cutoff_ctrl_effect1:
456 ctrl = 12;
457 break;
458 case ::gig::vcf_cutoff_ctrl_effect2:
459 ctrl = 13;
460 break;
461 case ::gig::vcf_cutoff_ctrl_breath:
462 ctrl = 2;
463 break;
464 case ::gig::vcf_cutoff_ctrl_foot:
465 ctrl = 4;
466 break;
467 case ::gig::vcf_cutoff_ctrl_sustainpedal:
468 ctrl = 64;
469 break;
470 case ::gig::vcf_cutoff_ctrl_softpedal:
471 ctrl = 67;
472 break;
473 case ::gig::vcf_cutoff_ctrl_genpurpose7:
474 ctrl = 82;
475 break;
476 case ::gig::vcf_cutoff_ctrl_genpurpose8:
477 ctrl = 83;
478 break;
479 case ::gig::vcf_cutoff_ctrl_aftertouch:
480 ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
481 break;
482 case ::gig::vcf_cutoff_ctrl_none:
483 default:
484 ctrl = 0;
485 break;
486 }
487
488 return ctrl;
489 }
490
491 uint8_t Voice::GetVCFResonanceCtrl() {
492 uint8_t ctrl;
493 switch (pRegion->VCFResonanceController) {
494 case ::gig::vcf_res_ctrl_genpurpose3:
495 ctrl = 18;
496 break;
497 case ::gig::vcf_res_ctrl_genpurpose4:
498 ctrl = 19;
499 break;
500 case ::gig::vcf_res_ctrl_genpurpose5:
501 ctrl = 80;
502 break;
503 case ::gig::vcf_res_ctrl_genpurpose6:
504 ctrl = 81;
505 break;
506 case ::gig::vcf_res_ctrl_none:
507 default:
508 ctrl = 0;
509 }
510
511 return ctrl;
512 }
513
514 void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
515 EG1.setStateOptions(
516 pRegion->EG1Options.AttackCancel,
517 pRegion->EG1Options.AttackHoldCancel,
518 pRegion->EG1Options.Decay1Cancel,
519 pRegion->EG1Options.Decay2Cancel,
520 pRegion->EG1Options.ReleaseCancel
521 );
522 EG1.trigger(pRegion->EG1PreAttack,
523 (pNote && pNote->Override.Attack.isFinal()) ?
524 pNote->Override.Attack.Value :
525 RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
526 pRegion->EG1Hold,
527 (pNote && pNote->Override.Decay.isFinal()) ?
528 pNote->Override.Decay.Value :
529 pRegion->EG1Decay1 * egInfo.Decay * velrelease,
530 (pNote && pNote->Override.Decay.isFinal()) ?
531 pNote->Override.Decay.Value :
532 pRegion->EG1Decay2 * egInfo.Decay * velrelease,
533 pRegion->EG1InfiniteSustain,
534 (pNote && pNote->Override.Sustain.Final) ?
535 uint(pNote->Override.Sustain.Value * 1000.f) :
536 pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
537 (pNote && pNote->Override.Release.isFinal()) ?
538 pNote->Override.Release.Value :
539 RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
540 velocityAttenuation,
541 sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
542 }
543
544 void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
545 EG2.setStateOptions(
546 pRegion->EG2Options.AttackCancel,
547 pRegion->EG2Options.AttackHoldCancel,
548 pRegion->EG2Options.Decay1Cancel,
549 pRegion->EG2Options.Decay2Cancel,
550 pRegion->EG2Options.ReleaseCancel
551 );
552 EG2.trigger(uint(RgnInfo.EG2PreAttack),
553 (pNote && pNote->Override.CutoffAttack.isFinal()) ?
554 pNote->Override.CutoffAttack.Value :
555 RgnInfo.EG2Attack * egInfo.Attack,
556 false,
557 (pNote && pNote->Override.CutoffDecay.isFinal()) ?
558 pNote->Override.CutoffDecay.Value :
559 RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
560 (pNote && pNote->Override.CutoffDecay.isFinal()) ?
561 pNote->Override.CutoffDecay.Value :
562 RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
563 RgnInfo.EG2InfiniteSustain,
564 (pNote && pNote->Override.CutoffSustain.Final) ?
565 uint(pNote->Override.CutoffSustain.Value * 1000.f) :
566 uint(RgnInfo.EG2Sustain),
567 (pNote && pNote->Override.CutoffRelease.isFinal()) ?
568 pNote->Override.CutoffRelease.Value :
569 RgnInfo.EG2Release * egInfo.Release * velrelease,
570 velocityAttenuation,
571 sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
572 }
573
574 void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
575 dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
576
577 // TODO: The SustainPedal condition could be wrong, maybe the
578 // check should be if this Voice is in release stage or is a
579 // release sample instead. Need to test this in GSt.
580 // -- Andreas
581 //
582 // Commented sustain pedal check out. I don't think voices of the same
583 // note should be stopped at all, because it doesn't sound naturally
584 // with a drumkit.
585 // -- Christian, 2013-01-08
586 if (itEvent->Param.Note.Key != HostKey() /*||
587 !GetGigEngineChannel()->SustainPedal*/) {
588 dmsg(4,("Voice %p - kill", (void*)this));
589
590 // kill the voice fast
591 pEG1->enterFadeOutStage();
592 }
593 }
594
595 void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
596 EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
597 }
598
599 int Voice::CalculatePan(uint8_t pan) {
600 int p;
601 // Gst behaviour: -64 and 63 are special cases
602 if (RgnInfo.Pan == -64) p = pan * 2 - 127;
603 else if (RgnInfo.Pan == 63) p = pan * 2;
604 else p = pan + RgnInfo.Pan;
605
606 if (p < 0) return 0;
607 if (p > 127) return 127;
608 return p;
609 }
610
611 release_trigger_t Voice::GetReleaseTriggerFlags() {
612 release_trigger_t flags =
613 (pRegion->NoNoteOffReleaseTrigger) ?
614 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
615 switch (pRegion->SustainReleaseTrigger) {
616 case ::gig::sust_rel_trg_none:
617 break;
618 case ::gig::sust_rel_trg_maxvelocity:
619 flags |= release_trigger_sustain_maxvelocity;
620 break;
621 case ::gig::sust_rel_trg_keyvelocity:
622 flags |= release_trigger_sustain_keyvelocity;
623 break;
624 }
625 return flags;
626 }
627
628 }} // namespace LinuxSampler::gig

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