/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
ViewVC logotype

Contents of /linuxsampler/trunk/src/engines/gig/Voice.cpp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 3118 - (show annotations) (download)
Fri Apr 21 13:33:03 2017 UTC (5 months, 3 weeks ago) by schoenebeck
File size: 23795 byte(s)
* NKSP: Fixed crash when using built-in script array variable "%ALL_EVENTS".
* NKSP: Added built-in function "change_amp_lfo_depth()".
* NKSP: Added built-in function "change_amp_lfo_freq()".
* NKSP: Added built-in function "change_pitch_lfo_depth()".
* NKSP: Added built-in function "change_pitch_lfo_freq()".
* Bumped version (2.0.0.svn44).

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 - 2016 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 Voice::Voice() {
37 pEngine = NULL;
38 pEG1 = &EG1;
39 pEG2 = &EG2;
40 }
41
42 Voice::~Voice() {
43 }
44
45 EngineChannel* Voice::GetGigEngineChannel() {
46 return static_cast<EngineChannel*>(pEngineChannel);
47 }
48
49 void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
50 Engine* engine = static_cast<Engine*>(pEngine);
51 this->pEngine = engine;
52 this->pDiskThread = engine->pDiskThread;
53 dmsg(6,("Voice::SetEngine()\n"));
54 }
55
56 Voice::SampleInfo Voice::GetSampleInfo() {
57 SampleInfo si;
58 si.SampleRate = pSample->SamplesPerSecond;
59 si.ChannelCount = pSample->Channels;
60 si.FrameSize = pSample->FrameSize;
61 si.BitDepth = pSample->BitDepth;
62 si.TotalFrameCount = (uint)pSample->SamplesTotal;
63
64 si.HasLoops = pRegion->SampleLoops;
65 si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
66 si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
67 si.LoopPlayCount = pSample->LoopPlayCount;
68 si.Unpitched = !pRegion->PitchTrack;
69
70 return si;
71 }
72
73 Voice::RegionInfo Voice::GetRegionInfo() {
74 RegionInfo ri;
75 ri.UnityNote = pRegion->UnityNote;
76 ri.FineTune = pRegion->FineTune;
77 ri.Pan = pRegion->Pan;
78 ri.SampleStartOffset = pRegion->SampleStartOffset;
79
80 ri.EG2PreAttack = pRegion->EG2PreAttack;
81 ri.EG2Attack = pRegion->EG2Attack;
82 ri.EG2Decay1 = pRegion->EG2Decay1;
83 ri.EG2Decay2 = pRegion->EG2Decay2;
84 ri.EG2Sustain = pRegion->EG2Sustain;
85 ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
86 ri.EG2Release = pRegion->EG2Release;
87
88 ri.EG3Attack = pRegion->EG3Attack;
89 ri.EG3Depth = pRegion->EG3Depth;
90 ri.VCFEnabled = pRegion->VCFEnabled;
91 ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
92 ri.VCFResonance = pRegion->VCFResonance;
93
94 ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
95
96 return ri;
97 }
98
99 Voice::InstrumentInfo Voice::GetInstrumentInfo() {
100 InstrumentInfo ii;
101 ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
102 ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
103
104 return ii;
105 }
106
107 double Voice::GetSampleAttenuation() {
108 return pRegion->SampleAttenuation;
109 }
110
111 double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
112 return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
113 }
114
115 double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
116 return pRegion->GetVelocityRelease(MIDIKeyVelocity);
117 }
118
119 void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
120 if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
121 if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
122 itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
123 CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
124 }
125 }
126 }
127
128 void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
129 if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
130 if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
131 CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
132 }
133 }
134 }
135
136 void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
137 // Not used so far
138 }
139
140 void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
141 int ccvalue = itEvent->Param.CC.Value;
142 if (VCFCutoffCtrl.value == ccvalue) return;
143 VCFCutoffCtrl.value = ccvalue;
144 if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
145 if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
146 float cutoff = CutoffBase * float(ccvalue);
147 if (cutoff > 127.0f) cutoff = 127.0f;
148
149 VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
150 fFinalCutoff = cutoff;
151 }
152
153 double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
154 float crossfadeVolume;
155 switch (pRegion->AttenuationController.type) {
156 case ::gig::attenuation_ctrl_t::type_channelaftertouch:
157 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
158 break;
159 case ::gig::attenuation_ctrl_t::type_velocity:
160 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
161 break;
162 case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
163 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
164 break;
165 case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
166 default:
167 crossfadeVolume = 1.0f;
168 }
169
170 return crossfadeVolume;
171 }
172
173 double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
174 double eg1controllervalue = 0;
175 switch (pRegion->EG1Controller.type) {
176 case ::gig::eg1_ctrl_t::type_none: // no controller defined
177 eg1controllervalue = 0;
178 break;
179 case ::gig::eg1_ctrl_t::type_channelaftertouch:
180 eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
181 break;
182 case ::gig::eg1_ctrl_t::type_velocity:
183 eg1controllervalue = MIDIKeyVelocity;
184 break;
185 case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
186 eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
187 break;
188 }
189 if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
190
191 return eg1controllervalue;
192 }
193
194 Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
195 EGInfo eg;
196 // (eg1attack is different from the others)
197 if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
198 (pRegion->EG1ControllerAttackInfluence == 0 ||
199 eg1ControllerValue <= 10)) { // strange GSt special case
200 eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
201 } else {
202 eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
203 1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
204 1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
205 }
206 eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
207 eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
208
209 return eg;
210 }
211
212 double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
213 double eg2controllervalue = 0;
214 switch (pRegion->EG2Controller.type) {
215 case ::gig::eg2_ctrl_t::type_none: // no controller defined
216 eg2controllervalue = 0;
217 break;
218 case ::gig::eg2_ctrl_t::type_channelaftertouch:
219 eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
220 break;
221 case ::gig::eg2_ctrl_t::type_velocity:
222 eg2controllervalue = MIDIKeyVelocity;
223 break;
224 case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
225 eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
226 break;
227 }
228 if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
229
230 return eg2controllervalue;
231 }
232
233 Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
234 EGInfo eg;
235 eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
236 eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
237 eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
238
239 return eg;
240 }
241
242 void Voice::InitLFO1() {
243 uint16_t lfo1_internal_depth;
244 switch (pRegion->LFO1Controller) {
245 case ::gig::lfo1_ctrl_internal:
246 lfo1_internal_depth = pRegion->LFO1InternalDepth;
247 pLFO1->ExtController = 0; // no external controller
248 bLFO1Enabled = (lfo1_internal_depth > 0);
249 break;
250 case ::gig::lfo1_ctrl_modwheel:
251 lfo1_internal_depth = 0;
252 pLFO1->ExtController = 1; // MIDI controller 1
253 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
254 break;
255 case ::gig::lfo1_ctrl_breath:
256 lfo1_internal_depth = 0;
257 pLFO1->ExtController = 2; // MIDI controller 2
258 bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
259 break;
260 case ::gig::lfo1_ctrl_internal_modwheel:
261 lfo1_internal_depth = pRegion->LFO1InternalDepth;
262 pLFO1->ExtController = 1; // MIDI controller 1
263 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
264 break;
265 case ::gig::lfo1_ctrl_internal_breath:
266 lfo1_internal_depth = pRegion->LFO1InternalDepth;
267 pLFO1->ExtController = 2; // MIDI controller 2
268 bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
269 break;
270 default:
271 lfo1_internal_depth = 0;
272 pLFO1->ExtController = 0; // no external controller
273 bLFO1Enabled = false;
274 }
275 if (bLFO1Enabled) {
276 pLFO1->trigger(pRegion->LFO1Frequency,
277 start_level_min,
278 lfo1_internal_depth,
279 pRegion->LFO1ControlDepth,
280 pRegion->LFO1FlipPhase,
281 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
282 pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
283 pLFO1->setScriptDepthFactor(pNote->Override.AmpLFODepth);
284 pLFO1->setScriptFrequencyFactor(pNote->Override.AmpLFOFreq, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
285 }
286 }
287
288 void Voice::InitLFO2() {
289 uint16_t lfo2_internal_depth;
290 switch (pRegion->LFO2Controller) {
291 case ::gig::lfo2_ctrl_internal:
292 lfo2_internal_depth = pRegion->LFO2InternalDepth;
293 pLFO2->ExtController = 0; // no external controller
294 bLFO2Enabled = (lfo2_internal_depth > 0);
295 break;
296 case ::gig::lfo2_ctrl_modwheel:
297 lfo2_internal_depth = 0;
298 pLFO2->ExtController = 1; // MIDI controller 1
299 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
300 break;
301 case ::gig::lfo2_ctrl_foot:
302 lfo2_internal_depth = 0;
303 pLFO2->ExtController = 4; // MIDI controller 4
304 bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
305 break;
306 case ::gig::lfo2_ctrl_internal_modwheel:
307 lfo2_internal_depth = pRegion->LFO2InternalDepth;
308 pLFO2->ExtController = 1; // MIDI controller 1
309 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
310 break;
311 case ::gig::lfo2_ctrl_internal_foot:
312 lfo2_internal_depth = pRegion->LFO2InternalDepth;
313 pLFO2->ExtController = 4; // MIDI controller 4
314 bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
315 break;
316 default:
317 lfo2_internal_depth = 0;
318 pLFO2->ExtController = 0; // no external controller
319 bLFO2Enabled = false;
320 }
321 if (bLFO2Enabled) {
322 pLFO2->trigger(pRegion->LFO2Frequency,
323 start_level_max,
324 lfo2_internal_depth,
325 pRegion->LFO2ControlDepth,
326 pRegion->LFO2FlipPhase,
327 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
328 pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
329 }
330 }
331
332 void Voice::InitLFO3() {
333 uint16_t lfo3_internal_depth;
334 switch (pRegion->LFO3Controller) {
335 case ::gig::lfo3_ctrl_internal:
336 lfo3_internal_depth = pRegion->LFO3InternalDepth;
337 pLFO3->ExtController = 0; // no external controller
338 bLFO3Enabled = (lfo3_internal_depth > 0);
339 break;
340 case ::gig::lfo3_ctrl_modwheel:
341 lfo3_internal_depth = 0;
342 pLFO3->ExtController = 1; // MIDI controller 1
343 bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
344 break;
345 case ::gig::lfo3_ctrl_aftertouch:
346 lfo3_internal_depth = 0;
347 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
348 bLFO3Enabled = true;
349 break;
350 case ::gig::lfo3_ctrl_internal_modwheel:
351 lfo3_internal_depth = pRegion->LFO3InternalDepth;
352 pLFO3->ExtController = 1; // MIDI controller 1
353 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
354 break;
355 case ::gig::lfo3_ctrl_internal_aftertouch:
356 lfo3_internal_depth = pRegion->LFO3InternalDepth;
357 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
358 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
359 break;
360 default:
361 lfo3_internal_depth = 0;
362 pLFO3->ExtController = 0; // no external controller
363 bLFO3Enabled = false;
364 }
365 if (bLFO3Enabled) {
366 pLFO3->trigger(pRegion->LFO3Frequency,
367 start_level_mid,
368 lfo3_internal_depth,
369 pRegion->LFO3ControlDepth,
370 false,
371 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
372 pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
373 pLFO3->setScriptDepthFactor(pNote->Override.PitchLFODepth);
374 pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
375 }
376 }
377
378 float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
379 float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
380 if (pRegion->VCFKeyboardTracking) {
381 cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
382 }
383 return cutoff;
384 }
385
386 float Voice::CalculateFinalCutoff(float cutoffBase) {
387 int cvalue;
388 if (VCFCutoffCtrl.controller) {
389 cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
390 if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
391 // VCFVelocityScale in this case means Minimum cutoff
392 if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
393 }
394 else {
395 cvalue = pRegion->VCFCutoff;
396 }
397 float fco = cutoffBase * float(cvalue);
398 if (fco > 127.0f) fco = 127.0f;
399
400 return fco;
401 }
402
403 uint8_t Voice::GetVCFCutoffCtrl() {
404 uint8_t ctrl;
405 switch (pRegion->VCFCutoffController) {
406 case ::gig::vcf_cutoff_ctrl_modwheel:
407 ctrl = 1;
408 break;
409 case ::gig::vcf_cutoff_ctrl_effect1:
410 ctrl = 12;
411 break;
412 case ::gig::vcf_cutoff_ctrl_effect2:
413 ctrl = 13;
414 break;
415 case ::gig::vcf_cutoff_ctrl_breath:
416 ctrl = 2;
417 break;
418 case ::gig::vcf_cutoff_ctrl_foot:
419 ctrl = 4;
420 break;
421 case ::gig::vcf_cutoff_ctrl_sustainpedal:
422 ctrl = 64;
423 break;
424 case ::gig::vcf_cutoff_ctrl_softpedal:
425 ctrl = 67;
426 break;
427 case ::gig::vcf_cutoff_ctrl_genpurpose7:
428 ctrl = 82;
429 break;
430 case ::gig::vcf_cutoff_ctrl_genpurpose8:
431 ctrl = 83;
432 break;
433 case ::gig::vcf_cutoff_ctrl_aftertouch:
434 ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
435 break;
436 case ::gig::vcf_cutoff_ctrl_none:
437 default:
438 ctrl = 0;
439 break;
440 }
441
442 return ctrl;
443 }
444
445 uint8_t Voice::GetVCFResonanceCtrl() {
446 uint8_t ctrl;
447 switch (pRegion->VCFResonanceController) {
448 case ::gig::vcf_res_ctrl_genpurpose3:
449 ctrl = 18;
450 break;
451 case ::gig::vcf_res_ctrl_genpurpose4:
452 ctrl = 19;
453 break;
454 case ::gig::vcf_res_ctrl_genpurpose5:
455 ctrl = 80;
456 break;
457 case ::gig::vcf_res_ctrl_genpurpose6:
458 ctrl = 81;
459 break;
460 case ::gig::vcf_res_ctrl_none:
461 default:
462 ctrl = 0;
463 }
464
465 return ctrl;
466 }
467
468 void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
469 EG1.trigger(pRegion->EG1PreAttack,
470 RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
471 pRegion->EG1Hold,
472 pRegion->EG1Decay1 * egInfo.Decay * velrelease,
473 pRegion->EG1Decay2 * egInfo.Decay * velrelease,
474 pRegion->EG1InfiniteSustain,
475 pRegion->EG1Sustain,
476 RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
477 velocityAttenuation,
478 sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
479 }
480
481 void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
482 EG2.trigger(uint(RgnInfo.EG2PreAttack),
483 RgnInfo.EG2Attack * egInfo.Attack,
484 false,
485 RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
486 RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
487 RgnInfo.EG2InfiniteSustain,
488 uint(RgnInfo.EG2Sustain),
489 RgnInfo.EG2Release * egInfo.Release * velrelease,
490 velocityAttenuation,
491 sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
492 }
493
494 void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
495 dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
496
497 // TODO: The SustainPedal condition could be wrong, maybe the
498 // check should be if this Voice is in release stage or is a
499 // release sample instead. Need to test this in GSt.
500 // -- Andreas
501 //
502 // Commented sustain pedal check out. I don't think voices of the same
503 // note should be stopped at all, because it doesn't sound naturally
504 // with a drumkit.
505 // -- Christian, 2013-01-08
506 if (itEvent->Param.Note.Key != HostKey() /*||
507 !GetGigEngineChannel()->SustainPedal*/) {
508 dmsg(4,("Voice %p - kill", (void*)this));
509
510 // kill the voice fast
511 pEG1->enterFadeOutStage();
512 }
513 }
514
515 void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
516 EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
517 }
518
519 int Voice::CalculatePan(uint8_t pan) {
520 int p;
521 // Gst behaviour: -64 and 63 are special cases
522 if (RgnInfo.Pan == -64) p = pan * 2 - 127;
523 else if (RgnInfo.Pan == 63) p = pan * 2;
524 else p = pan + RgnInfo.Pan;
525
526 if (p < 0) return 0;
527 if (p > 127) return 127;
528 return p;
529 }
530
531 }} // namespace LinuxSampler::gig

  ViewVC Help
Powered by ViewVC