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

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Revision 3054 - (hide annotations) (download)
Thu Dec 15 12:47:45 2016 UTC (7 years, 3 months ago) by schoenebeck
File size: 23350 byte(s)
* Fixed numerous compiler warnings.
* Bumped version (2.0.0.svn32).

1 schoenebeck 53 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5 schoenebeck 56 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 persson 2055 * Copyright (C) 2005 - 2008 Christian Schoenebeck *
7 schoenebeck 3054 * Copyright (C) 2009 Christian Schoenebeck and Grigor Iliev *
8     * Copyright (C) 2010 - 2016 Christian Schoenebeck and Andreas Persson *
9 schoenebeck 53 * *
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 schoenebeck 319 #include "../../common/Features.h"
27     #include "Synthesizer.h"
28 schoenebeck 770 #include "Profiler.h"
29 iliev 2012 #include "Engine.h"
30     #include "EngineChannel.h"
31 schoenebeck 53
32     #include "Voice.h"
33    
34     namespace LinuxSampler { namespace gig {
35    
36     Voice::Voice() {
37 persson 2055 pEngine = NULL;
38     pEG1 = &EG1;
39 persson 2175 pEG2 = &EG2;
40 schoenebeck 53 }
41    
42     Voice::~Voice() {
43     }
44    
45 iliev 2015 EngineChannel* Voice::GetGigEngineChannel() {
46     return static_cast<EngineChannel*>(pEngineChannel);
47     }
48    
49 iliev 2012 void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
50     Engine* engine = static_cast<Engine*>(pEngine);
51     this->pEngine = engine;
52     this->pDiskThread = engine->pDiskThread;
53 schoenebeck 64 dmsg(6,("Voice::SetEngine()\n"));
54 schoenebeck 53 }
55    
56 iliev 2015 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 schoenebeck 3054 si.TotalFrameCount = (uint)pSample->SamplesTotal;
63 schoenebeck 669
64 iliev 2015 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 schoenebeck 53
70 iliev 2015 return si;
71     }
72 schoenebeck 53
73 iliev 2015 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 persson 630
80 iliev 2015 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 persson 630
88 iliev 2015 ri.EG3Attack = pRegion->EG3Attack;
89     ri.EG3Depth = pRegion->EG3Depth;
90     ri.VCFEnabled = pRegion->VCFEnabled;
91 persson 2175 ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
92 iliev 2015 ri.VCFResonance = pRegion->VCFResonance;
93    
94 persson 2061 ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
95 iliev 2015
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 persson 630 }
126 iliev 2015 }
127 persson 630
128 schoenebeck 2559 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 iliev 2015 void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
141     int ccvalue = itEvent->Param.CC.Value;
142     if (VCFCutoffCtrl.value == ccvalue) return;
143 persson 2175 VCFCutoffCtrl.value = ccvalue;
144 iliev 2015 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 schoenebeck 319
149 iliev 2015 VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
150     fFinalCutoff = cutoff;
151     }
152    
153     double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
154 persson 832 float crossfadeVolume;
155 iliev 2015 switch (pRegion->AttenuationController.type) {
156 schoenebeck 236 case ::gig::attenuation_ctrl_t::type_channelaftertouch:
157 iliev 2015 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
158 schoenebeck 236 break;
159     case ::gig::attenuation_ctrl_t::type_velocity:
160 iliev 2015 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
161 schoenebeck 236 break;
162     case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
163 iliev 2015 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
164 schoenebeck 236 break;
165     case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
166     default:
167 persson 832 crossfadeVolume = 1.0f;
168 schoenebeck 236 }
169    
170 iliev 2015 return crossfadeVolume;
171     }
172 schoenebeck 245
173 iliev 2015 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 schoenebeck 53 }
189 iliev 2015 if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
190 schoenebeck 53
191 iliev 2015 return eg1controllervalue;
192     }
193 persson 1700
194 iliev 2015 Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
195     EGInfo eg;
196     // (eg1attack is different from the others)
197 persson 2408 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 iliev 2015 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 persson 1700
209 iliev 2015 return eg;
210     }
211 schoenebeck 53
212 iliev 2015 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 schoenebeck 53 }
228 iliev 2015 if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
229 schoenebeck 53
230 iliev 2015 return eg2controllervalue;
231     }
232 schoenebeck 53
233 iliev 2015 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 persson 830
239 iliev 2015 return eg;
240     }
241 schoenebeck 53
242 iliev 2015 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 schoenebeck 53 }
275 iliev 2015 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->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
283 schoenebeck 53 }
284 iliev 2015 }
285 schoenebeck 53
286 iliev 2015 void Voice::InitLFO2() {
287     uint16_t lfo2_internal_depth;
288     switch (pRegion->LFO2Controller) {
289     case ::gig::lfo2_ctrl_internal:
290     lfo2_internal_depth = pRegion->LFO2InternalDepth;
291     pLFO2->ExtController = 0; // no external controller
292     bLFO2Enabled = (lfo2_internal_depth > 0);
293     break;
294     case ::gig::lfo2_ctrl_modwheel:
295     lfo2_internal_depth = 0;
296     pLFO2->ExtController = 1; // MIDI controller 1
297     bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
298     break;
299     case ::gig::lfo2_ctrl_foot:
300     lfo2_internal_depth = 0;
301     pLFO2->ExtController = 4; // MIDI controller 4
302     bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
303     break;
304     case ::gig::lfo2_ctrl_internal_modwheel:
305     lfo2_internal_depth = pRegion->LFO2InternalDepth;
306     pLFO2->ExtController = 1; // MIDI controller 1
307     bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
308     break;
309     case ::gig::lfo2_ctrl_internal_foot:
310     lfo2_internal_depth = pRegion->LFO2InternalDepth;
311     pLFO2->ExtController = 4; // MIDI controller 4
312     bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
313     break;
314     default:
315     lfo2_internal_depth = 0;
316     pLFO2->ExtController = 0; // no external controller
317     bLFO2Enabled = false;
318 schoenebeck 53 }
319 iliev 2015 if (bLFO2Enabled) {
320     pLFO2->trigger(pRegion->LFO2Frequency,
321     start_level_max,
322     lfo2_internal_depth,
323     pRegion->LFO2ControlDepth,
324     pRegion->LFO2FlipPhase,
325     pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
326     pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
327 schoenebeck 53 }
328     }
329    
330 iliev 2015 void Voice::InitLFO3() {
331     uint16_t lfo3_internal_depth;
332     switch (pRegion->LFO3Controller) {
333     case ::gig::lfo3_ctrl_internal:
334     lfo3_internal_depth = pRegion->LFO3InternalDepth;
335     pLFO3->ExtController = 0; // no external controller
336     bLFO3Enabled = (lfo3_internal_depth > 0);
337 schoenebeck 53 break;
338 iliev 2015 case ::gig::lfo3_ctrl_modwheel:
339     lfo3_internal_depth = 0;
340     pLFO3->ExtController = 1; // MIDI controller 1
341     bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
342 schoenebeck 53 break;
343 iliev 2015 case ::gig::lfo3_ctrl_aftertouch:
344     lfo3_internal_depth = 0;
345 schoenebeck 3017 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
346 iliev 2015 bLFO3Enabled = true;
347 schoenebeck 53 break;
348 iliev 2015 case ::gig::lfo3_ctrl_internal_modwheel:
349     lfo3_internal_depth = pRegion->LFO3InternalDepth;
350     pLFO3->ExtController = 1; // MIDI controller 1
351     bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
352     break;
353     case ::gig::lfo3_ctrl_internal_aftertouch:
354     lfo3_internal_depth = pRegion->LFO3InternalDepth;
355 schoenebeck 3017 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
356 iliev 2015 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
357     break;
358     default:
359     lfo3_internal_depth = 0;
360     pLFO3->ExtController = 0; // no external controller
361     bLFO3Enabled = false;
362 schoenebeck 53 }
363 iliev 2015 if (bLFO3Enabled) {
364     pLFO3->trigger(pRegion->LFO3Frequency,
365     start_level_mid,
366     lfo3_internal_depth,
367     pRegion->LFO3ControlDepth,
368     false,
369     pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
370     pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
371 schoenebeck 738 }
372     }
373 persson 2055
374 iliev 2015 float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
375     float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
376     if (pRegion->VCFKeyboardTracking) {
377 schoenebeck 2879 cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
378 schoenebeck 53 }
379 iliev 2015 return cutoff;
380 schoenebeck 738 }
381 schoenebeck 53
382 iliev 2015 float Voice::CalculateFinalCutoff(float cutoffBase) {
383     int cvalue;
384     if (VCFCutoffCtrl.controller) {
385     cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
386     if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
387     // VCFVelocityScale in this case means Minimum cutoff
388     if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
389 schoenebeck 53 }
390 iliev 2015 else {
391     cvalue = pRegion->VCFCutoff;
392 persson 1748 }
393 iliev 2015 float fco = cutoffBase * float(cvalue);
394     if (fco > 127.0f) fco = 127.0f;
395 persson 796
396 iliev 2015 return fco;
397     }
398 persson 768
399 iliev 2015 uint8_t Voice::GetVCFCutoffCtrl() {
400     uint8_t ctrl;
401     switch (pRegion->VCFCutoffController) {
402     case ::gig::vcf_cutoff_ctrl_modwheel:
403     ctrl = 1;
404     break;
405     case ::gig::vcf_cutoff_ctrl_effect1:
406     ctrl = 12;
407     break;
408     case ::gig::vcf_cutoff_ctrl_effect2:
409     ctrl = 13;
410     break;
411     case ::gig::vcf_cutoff_ctrl_breath:
412     ctrl = 2;
413     break;
414     case ::gig::vcf_cutoff_ctrl_foot:
415     ctrl = 4;
416     break;
417     case ::gig::vcf_cutoff_ctrl_sustainpedal:
418     ctrl = 64;
419     break;
420     case ::gig::vcf_cutoff_ctrl_softpedal:
421     ctrl = 67;
422     break;
423     case ::gig::vcf_cutoff_ctrl_genpurpose7:
424     ctrl = 82;
425     break;
426     case ::gig::vcf_cutoff_ctrl_genpurpose8:
427     ctrl = 83;
428     break;
429     case ::gig::vcf_cutoff_ctrl_aftertouch:
430 schoenebeck 3017 ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
431 iliev 2015 break;
432     case ::gig::vcf_cutoff_ctrl_none:
433     default:
434     ctrl = 0;
435     break;
436 schoenebeck 53 }
437    
438 iliev 2015 return ctrl;
439 schoenebeck 829 }
440    
441 iliev 2015 uint8_t Voice::GetVCFResonanceCtrl() {
442     uint8_t ctrl;
443     switch (pRegion->VCFResonanceController) {
444     case ::gig::vcf_res_ctrl_genpurpose3:
445     ctrl = 18;
446     break;
447     case ::gig::vcf_res_ctrl_genpurpose4:
448     ctrl = 19;
449     break;
450     case ::gig::vcf_res_ctrl_genpurpose5:
451     ctrl = 80;
452     break;
453     case ::gig::vcf_res_ctrl_genpurpose6:
454     ctrl = 81;
455     break;
456     case ::gig::vcf_res_ctrl_none:
457     default:
458     ctrl = 0;
459 schoenebeck 53 }
460    
461 iliev 2015 return ctrl;
462 schoenebeck 239 }
463    
464 persson 2055 void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
465 persson 2203 EG1.trigger(pRegion->EG1PreAttack,
466 persson 2408 RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
467 persson 2203 pRegion->EG1Hold,
468     pRegion->EG1Decay1 * egInfo.Decay * velrelease,
469     pRegion->EG1Decay2 * egInfo.Decay * velrelease,
470     pRegion->EG1InfiniteSustain,
471     pRegion->EG1Sustain,
472 persson 2408 RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
473 persson 2055 velocityAttenuation,
474     sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
475     }
476 persson 2114
477 persson 2175 void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
478     EG2.trigger(uint(RgnInfo.EG2PreAttack),
479     RgnInfo.EG2Attack * egInfo.Attack,
480     false,
481     RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
482     RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
483     RgnInfo.EG2InfiniteSustain,
484     uint(RgnInfo.EG2Sustain),
485     RgnInfo.EG2Release * egInfo.Release * velrelease,
486     velocityAttenuation,
487     sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
488     }
489    
490 persson 2114 void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
491 persson 2837 dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
492 persson 2114
493     // TODO: The SustainPedal condition could be wrong, maybe the
494     // check should be if this Voice is in release stage or is a
495     // release sample instead. Need to test this in GSt.
496 schoenebeck 2396 // -- Andreas
497     //
498     // Commented sustain pedal check out. I don't think voices of the same
499     // note should be stopped at all, because it doesn't sound naturally
500     // with a drumkit.
501     // -- Christian, 2013-01-08
502 schoenebeck 2879 if (itEvent->Param.Note.Key != HostKey() /*||
503 schoenebeck 2396 !GetGigEngineChannel()->SustainPedal*/) {
504 persson 2837 dmsg(4,("Voice %p - kill", (void*)this));
505 persson 2114
506     // kill the voice fast
507     pEG1->enterFadeOutStage();
508     }
509     }
510    
511 persson 2327 void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
512     EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
513     }
514    
515 persson 2382 int Voice::CalculatePan(uint8_t pan) {
516     int p;
517     // Gst behaviour: -64 and 63 are special cases
518     if (RgnInfo.Pan == -64) p = pan * 2 - 127;
519     else if (RgnInfo.Pan == 63) p = pan * 2;
520     else p = pan + RgnInfo.Pan;
521    
522     if (p < 0) return 0;
523     if (p > 127) return 127;
524     return p;
525     }
526    
527 schoenebeck 53 }} // namespace LinuxSampler::gig

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