/[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 3626 - (hide annotations) (download)
Thu Oct 3 14:40:17 2019 UTC (4 years, 5 months ago) by schoenebeck
File size: 29096 byte(s)
Just added some compile-time sanity checks
(for enum ::gig::lfo_wave_t to match enum LFO::wave_t).

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 schoenebeck 3328 * Copyright (C) 2010 - 2017 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 schoenebeck 3626 // sanity checks: fromGigLfoWave() assumes equally mapped enums
37     static_assert(::gig::lfo_wave_sine == LFO::wave_sine);
38     static_assert(::gig::lfo_wave_triangle == LFO::wave_triangle);
39     static_assert(::gig::lfo_wave_saw == LFO::wave_saw);
40     static_assert(::gig::lfo_wave_square == LFO::wave_square);
41    
42 schoenebeck 3625 // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
43     inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
44     // simply assuming equally mapped enums on both sides
45     return static_cast<LFO::wave_t>(wave);
46     }
47    
48 schoenebeck 53 Voice::Voice() {
49 persson 2055 pEngine = NULL;
50     pEG1 = &EG1;
51 persson 2175 pEG2 = &EG2;
52 schoenebeck 53 }
53    
54     Voice::~Voice() {
55     }
56    
57 iliev 2015 EngineChannel* Voice::GetGigEngineChannel() {
58     return static_cast<EngineChannel*>(pEngineChannel);
59     }
60    
61 iliev 2012 void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
62     Engine* engine = static_cast<Engine*>(pEngine);
63     this->pEngine = engine;
64     this->pDiskThread = engine->pDiskThread;
65 schoenebeck 64 dmsg(6,("Voice::SetEngine()\n"));
66 schoenebeck 53 }
67    
68 iliev 2015 Voice::SampleInfo Voice::GetSampleInfo() {
69     SampleInfo si;
70     si.SampleRate = pSample->SamplesPerSecond;
71     si.ChannelCount = pSample->Channels;
72     si.FrameSize = pSample->FrameSize;
73     si.BitDepth = pSample->BitDepth;
74 schoenebeck 3054 si.TotalFrameCount = (uint)pSample->SamplesTotal;
75 schoenebeck 669
76 iliev 2015 si.HasLoops = pRegion->SampleLoops;
77     si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
78     si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
79     si.LoopPlayCount = pSample->LoopPlayCount;
80     si.Unpitched = !pRegion->PitchTrack;
81 schoenebeck 53
82 iliev 2015 return si;
83     }
84 schoenebeck 53
85 iliev 2015 Voice::RegionInfo Voice::GetRegionInfo() {
86     RegionInfo ri;
87     ri.UnityNote = pRegion->UnityNote;
88     ri.FineTune = pRegion->FineTune;
89     ri.Pan = pRegion->Pan;
90     ri.SampleStartOffset = pRegion->SampleStartOffset;
91 persson 630
92 iliev 2015 ri.EG2PreAttack = pRegion->EG2PreAttack;
93     ri.EG2Attack = pRegion->EG2Attack;
94     ri.EG2Decay1 = pRegion->EG2Decay1;
95     ri.EG2Decay2 = pRegion->EG2Decay2;
96     ri.EG2Sustain = pRegion->EG2Sustain;
97     ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
98     ri.EG2Release = pRegion->EG2Release;
99 persson 630
100 iliev 2015 ri.EG3Attack = pRegion->EG3Attack;
101     ri.EG3Depth = pRegion->EG3Depth;
102     ri.VCFEnabled = pRegion->VCFEnabled;
103 persson 2175 ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
104 iliev 2015 ri.VCFResonance = pRegion->VCFResonance;
105    
106 persson 2061 ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
107 iliev 2015
108     return ri;
109     }
110    
111     Voice::InstrumentInfo Voice::GetInstrumentInfo() {
112     InstrumentInfo ii;
113     ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
114     ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
115    
116     return ii;
117     }
118    
119     double Voice::GetSampleAttenuation() {
120     return pRegion->SampleAttenuation;
121     }
122    
123     double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
124     return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
125     }
126    
127     double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
128     return pRegion->GetVelocityRelease(MIDIKeyVelocity);
129     }
130    
131     void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
132     if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
133     if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
134     itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
135     CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
136     }
137 persson 630 }
138 iliev 2015 }
139 persson 630
140 schoenebeck 2559 void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
141     if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
142     if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
143     CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
144     }
145     }
146     }
147    
148     void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
149     // Not used so far
150     }
151    
152 iliev 2015 void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
153     int ccvalue = itEvent->Param.CC.Value;
154     if (VCFCutoffCtrl.value == ccvalue) return;
155 persson 2175 VCFCutoffCtrl.value = ccvalue;
156 iliev 2015 if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
157     if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
158     float cutoff = CutoffBase * float(ccvalue);
159     if (cutoff > 127.0f) cutoff = 127.0f;
160 schoenebeck 319
161 iliev 2015 VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
162     fFinalCutoff = cutoff;
163     }
164    
165     double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
166 persson 832 float crossfadeVolume;
167 iliev 2015 switch (pRegion->AttenuationController.type) {
168 schoenebeck 236 case ::gig::attenuation_ctrl_t::type_channelaftertouch:
169 iliev 2015 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
170 schoenebeck 236 break;
171     case ::gig::attenuation_ctrl_t::type_velocity:
172 iliev 2015 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
173 schoenebeck 236 break;
174     case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
175 iliev 2015 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
176 schoenebeck 236 break;
177     case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
178     default:
179 persson 832 crossfadeVolume = 1.0f;
180 schoenebeck 236 }
181    
182 iliev 2015 return crossfadeVolume;
183     }
184 schoenebeck 245
185 iliev 2015 double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
186     double eg1controllervalue = 0;
187     switch (pRegion->EG1Controller.type) {
188     case ::gig::eg1_ctrl_t::type_none: // no controller defined
189     eg1controllervalue = 0;
190     break;
191     case ::gig::eg1_ctrl_t::type_channelaftertouch:
192     eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
193     break;
194     case ::gig::eg1_ctrl_t::type_velocity:
195     eg1controllervalue = MIDIKeyVelocity;
196     break;
197     case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
198     eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
199     break;
200 schoenebeck 53 }
201 iliev 2015 if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
202 schoenebeck 53
203 iliev 2015 return eg1controllervalue;
204     }
205 persson 1700
206 iliev 2015 Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
207     EGInfo eg;
208     // (eg1attack is different from the others)
209 persson 2408 if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
210     (pRegion->EG1ControllerAttackInfluence == 0 ||
211     eg1ControllerValue <= 10)) { // strange GSt special case
212     eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
213     } else {
214     eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
215     1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
216     1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
217     }
218 iliev 2015 eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
219     eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
220 persson 1700
221 iliev 2015 return eg;
222     }
223 schoenebeck 53
224 iliev 2015 double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
225     double eg2controllervalue = 0;
226     switch (pRegion->EG2Controller.type) {
227     case ::gig::eg2_ctrl_t::type_none: // no controller defined
228     eg2controllervalue = 0;
229     break;
230     case ::gig::eg2_ctrl_t::type_channelaftertouch:
231     eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
232     break;
233     case ::gig::eg2_ctrl_t::type_velocity:
234     eg2controllervalue = MIDIKeyVelocity;
235     break;
236     case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
237     eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
238     break;
239 schoenebeck 53 }
240 iliev 2015 if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
241 schoenebeck 53
242 iliev 2015 return eg2controllervalue;
243     }
244 schoenebeck 53
245 iliev 2015 Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
246     EGInfo eg;
247     eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
248     eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
249     eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
250 persson 830
251 iliev 2015 return eg;
252     }
253 schoenebeck 53
254 iliev 2015 void Voice::InitLFO1() {
255     uint16_t lfo1_internal_depth;
256     switch (pRegion->LFO1Controller) {
257     case ::gig::lfo1_ctrl_internal:
258     lfo1_internal_depth = pRegion->LFO1InternalDepth;
259     pLFO1->ExtController = 0; // no external controller
260     bLFO1Enabled = (lfo1_internal_depth > 0);
261     break;
262     case ::gig::lfo1_ctrl_modwheel:
263     lfo1_internal_depth = 0;
264     pLFO1->ExtController = 1; // MIDI controller 1
265     bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
266     break;
267     case ::gig::lfo1_ctrl_breath:
268     lfo1_internal_depth = 0;
269     pLFO1->ExtController = 2; // MIDI controller 2
270     bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
271     break;
272     case ::gig::lfo1_ctrl_internal_modwheel:
273     lfo1_internal_depth = pRegion->LFO1InternalDepth;
274     pLFO1->ExtController = 1; // MIDI controller 1
275     bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
276     break;
277     case ::gig::lfo1_ctrl_internal_breath:
278     lfo1_internal_depth = pRegion->LFO1InternalDepth;
279     pLFO1->ExtController = 2; // MIDI controller 2
280     bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
281     break;
282     default:
283     lfo1_internal_depth = 0;
284     pLFO1->ExtController = 0; // no external controller
285     bLFO1Enabled = false;
286 schoenebeck 53 }
287 iliev 2015 if (bLFO1Enabled) {
288 schoenebeck 3625 pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
289     pRegion->LFO1Frequency,
290     pRegion->LFO1Phase,
291 schoenebeck 3615 LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
292 iliev 2015 lfo1_internal_depth,
293     pRegion->LFO1ControlDepth,
294     pRegion->LFO1FlipPhase,
295     pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
296 schoenebeck 3118 pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
297 schoenebeck 3561 pLFO1->setScriptDepthFactor(
298     pNote->Override.AmpLFODepth.Value,
299     pNote->Override.AmpLFODepth.Final
300     );
301     if (pNote->Override.AmpLFOFreq.isFinal())
302     pLFO1->setScriptFrequencyFinal(
303     pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
304     );
305     else
306     pLFO1->setScriptFrequencyFactor(
307     pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
308     );
309 schoenebeck 53 }
310 iliev 2015 }
311 schoenebeck 53
312 iliev 2015 void Voice::InitLFO2() {
313     uint16_t lfo2_internal_depth;
314     switch (pRegion->LFO2Controller) {
315     case ::gig::lfo2_ctrl_internal:
316     lfo2_internal_depth = pRegion->LFO2InternalDepth;
317     pLFO2->ExtController = 0; // no external controller
318     bLFO2Enabled = (lfo2_internal_depth > 0);
319     break;
320     case ::gig::lfo2_ctrl_modwheel:
321     lfo2_internal_depth = 0;
322     pLFO2->ExtController = 1; // MIDI controller 1
323     bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
324     break;
325     case ::gig::lfo2_ctrl_foot:
326     lfo2_internal_depth = 0;
327     pLFO2->ExtController = 4; // MIDI controller 4
328     bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
329     break;
330     case ::gig::lfo2_ctrl_internal_modwheel:
331     lfo2_internal_depth = pRegion->LFO2InternalDepth;
332     pLFO2->ExtController = 1; // MIDI controller 1
333     bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
334     break;
335     case ::gig::lfo2_ctrl_internal_foot:
336     lfo2_internal_depth = pRegion->LFO2InternalDepth;
337     pLFO2->ExtController = 4; // MIDI controller 4
338     bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
339     break;
340     default:
341     lfo2_internal_depth = 0;
342     pLFO2->ExtController = 0; // no external controller
343     bLFO2Enabled = false;
344 schoenebeck 53 }
345 iliev 2015 if (bLFO2Enabled) {
346 schoenebeck 3625 pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
347     pRegion->LFO2Frequency,
348     pRegion->LFO2Phase,
349 schoenebeck 3615 LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
350 iliev 2015 lfo2_internal_depth,
351     pRegion->LFO2ControlDepth,
352     pRegion->LFO2FlipPhase,
353     pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
354 schoenebeck 3118 pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
355 schoenebeck 3561 pLFO2->setScriptDepthFactor(
356     pNote->Override.CutoffLFODepth.Value,
357     pNote->Override.CutoffLFODepth.Final
358     );
359     if (pNote->Override.CutoffLFOFreq.isFinal())
360     pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
361     else
362     pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
363 schoenebeck 53 }
364     }
365    
366 iliev 2015 void Voice::InitLFO3() {
367     uint16_t lfo3_internal_depth;
368     switch (pRegion->LFO3Controller) {
369     case ::gig::lfo3_ctrl_internal:
370     lfo3_internal_depth = pRegion->LFO3InternalDepth;
371     pLFO3->ExtController = 0; // no external controller
372     bLFO3Enabled = (lfo3_internal_depth > 0);
373 schoenebeck 53 break;
374 iliev 2015 case ::gig::lfo3_ctrl_modwheel:
375     lfo3_internal_depth = 0;
376     pLFO3->ExtController = 1; // MIDI controller 1
377     bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
378 schoenebeck 53 break;
379 iliev 2015 case ::gig::lfo3_ctrl_aftertouch:
380     lfo3_internal_depth = 0;
381 schoenebeck 3017 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
382 iliev 2015 bLFO3Enabled = true;
383 schoenebeck 53 break;
384 iliev 2015 case ::gig::lfo3_ctrl_internal_modwheel:
385     lfo3_internal_depth = pRegion->LFO3InternalDepth;
386     pLFO3->ExtController = 1; // MIDI controller 1
387     bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
388     break;
389     case ::gig::lfo3_ctrl_internal_aftertouch:
390     lfo3_internal_depth = pRegion->LFO3InternalDepth;
391 schoenebeck 3017 pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
392 iliev 2015 bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
393     break;
394     default:
395     lfo3_internal_depth = 0;
396     pLFO3->ExtController = 0; // no external controller
397     bLFO3Enabled = false;
398 schoenebeck 53 }
399 iliev 2015 if (bLFO3Enabled) {
400 schoenebeck 3625 pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
401     pRegion->LFO3Frequency,
402     pRegion->LFO3Phase,
403 schoenebeck 3615 LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
404 iliev 2015 lfo3_internal_depth,
405     pRegion->LFO3ControlDepth,
406 schoenebeck 3625 pRegion->LFO3FlipPhase,
407 iliev 2015 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
408 schoenebeck 3118 pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
409 schoenebeck 3561 pLFO3->setScriptDepthFactor(
410     pNote->Override.PitchLFODepth.Value,
411     pNote->Override.PitchLFODepth.Final
412     );
413     if (pNote->Override.PitchLFOFreq.isFinal())
414     pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
415     else
416     pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
417 schoenebeck 738 }
418     }
419 persson 2055
420 iliev 2015 float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
421     float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
422     if (pRegion->VCFKeyboardTracking) {
423 schoenebeck 2879 cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
424 schoenebeck 53 }
425 iliev 2015 return cutoff;
426 schoenebeck 738 }
427 schoenebeck 53
428 iliev 2015 float Voice::CalculateFinalCutoff(float cutoffBase) {
429     int cvalue;
430     if (VCFCutoffCtrl.controller) {
431     cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
432     if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
433     // VCFVelocityScale in this case means Minimum cutoff
434     if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
435 schoenebeck 53 }
436 iliev 2015 else {
437     cvalue = pRegion->VCFCutoff;
438 persson 1748 }
439 iliev 2015 float fco = cutoffBase * float(cvalue);
440     if (fco > 127.0f) fco = 127.0f;
441 persson 796
442 iliev 2015 return fco;
443     }
444 persson 768
445 iliev 2015 uint8_t Voice::GetVCFCutoffCtrl() {
446     uint8_t ctrl;
447     switch (pRegion->VCFCutoffController) {
448     case ::gig::vcf_cutoff_ctrl_modwheel:
449     ctrl = 1;
450     break;
451     case ::gig::vcf_cutoff_ctrl_effect1:
452     ctrl = 12;
453     break;
454     case ::gig::vcf_cutoff_ctrl_effect2:
455     ctrl = 13;
456     break;
457     case ::gig::vcf_cutoff_ctrl_breath:
458     ctrl = 2;
459     break;
460     case ::gig::vcf_cutoff_ctrl_foot:
461     ctrl = 4;
462     break;
463     case ::gig::vcf_cutoff_ctrl_sustainpedal:
464     ctrl = 64;
465     break;
466     case ::gig::vcf_cutoff_ctrl_softpedal:
467     ctrl = 67;
468     break;
469     case ::gig::vcf_cutoff_ctrl_genpurpose7:
470     ctrl = 82;
471     break;
472     case ::gig::vcf_cutoff_ctrl_genpurpose8:
473     ctrl = 83;
474     break;
475     case ::gig::vcf_cutoff_ctrl_aftertouch:
476 schoenebeck 3017 ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
477 iliev 2015 break;
478     case ::gig::vcf_cutoff_ctrl_none:
479     default:
480     ctrl = 0;
481     break;
482 schoenebeck 53 }
483    
484 iliev 2015 return ctrl;
485 schoenebeck 829 }
486    
487 iliev 2015 uint8_t Voice::GetVCFResonanceCtrl() {
488     uint8_t ctrl;
489     switch (pRegion->VCFResonanceController) {
490     case ::gig::vcf_res_ctrl_genpurpose3:
491     ctrl = 18;
492     break;
493     case ::gig::vcf_res_ctrl_genpurpose4:
494     ctrl = 19;
495     break;
496     case ::gig::vcf_res_ctrl_genpurpose5:
497     ctrl = 80;
498     break;
499     case ::gig::vcf_res_ctrl_genpurpose6:
500     ctrl = 81;
501     break;
502     case ::gig::vcf_res_ctrl_none:
503     default:
504     ctrl = 0;
505 schoenebeck 53 }
506    
507 iliev 2015 return ctrl;
508 schoenebeck 239 }
509    
510 persson 2055 void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
511 schoenebeck 3328 EG1.setStateOptions(
512     pRegion->EG1Options.AttackCancel,
513     pRegion->EG1Options.AttackHoldCancel,
514     pRegion->EG1Options.Decay1Cancel,
515     pRegion->EG1Options.Decay2Cancel,
516     pRegion->EG1Options.ReleaseCancel
517     );
518 persson 2203 EG1.trigger(pRegion->EG1PreAttack,
519 schoenebeck 3588 (pNote && pNote->Override.Attack.isFinal()) ?
520     pNote->Override.Attack.Value :
521     RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
522 persson 2203 pRegion->EG1Hold,
523 schoenebeck 3588 (pNote && pNote->Override.Decay.isFinal()) ?
524     pNote->Override.Decay.Value :
525     pRegion->EG1Decay1 * egInfo.Decay * velrelease,
526     (pNote && pNote->Override.Decay.isFinal()) ?
527     pNote->Override.Decay.Value :
528     pRegion->EG1Decay2 * egInfo.Decay * velrelease,
529 persson 2203 pRegion->EG1InfiniteSustain,
530 schoenebeck 3561 (pNote && pNote->Override.Sustain.Final) ?
531 schoenebeck 3588 uint(pNote->Override.Sustain.Value * 1000.f) :
532 schoenebeck 3561 pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
533 schoenebeck 3588 (pNote && pNote->Override.Release.isFinal()) ?
534     pNote->Override.Release.Value :
535     RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
536 persson 2055 velocityAttenuation,
537     sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
538     }
539 persson 2114
540 persson 2175 void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
541 schoenebeck 3328 EG2.setStateOptions(
542     pRegion->EG2Options.AttackCancel,
543     pRegion->EG2Options.AttackHoldCancel,
544     pRegion->EG2Options.Decay1Cancel,
545     pRegion->EG2Options.Decay2Cancel,
546     pRegion->EG2Options.ReleaseCancel
547     );
548 persson 2175 EG2.trigger(uint(RgnInfo.EG2PreAttack),
549 schoenebeck 3588 (pNote && pNote->Override.CutoffAttack.isFinal()) ?
550     pNote->Override.CutoffAttack.Value :
551     RgnInfo.EG2Attack * egInfo.Attack,
552 persson 2175 false,
553 schoenebeck 3588 (pNote && pNote->Override.CutoffDecay.isFinal()) ?
554     pNote->Override.CutoffDecay.Value :
555     RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
556     (pNote && pNote->Override.CutoffDecay.isFinal()) ?
557     pNote->Override.CutoffDecay.Value :
558     RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
559 persson 2175 RgnInfo.EG2InfiniteSustain,
560 schoenebeck 3588 (pNote && pNote->Override.CutoffSustain.Final) ?
561     uint(pNote->Override.CutoffSustain.Value * 1000.f) :
562     uint(RgnInfo.EG2Sustain),
563     (pNote && pNote->Override.CutoffRelease.isFinal()) ?
564     pNote->Override.CutoffRelease.Value :
565     RgnInfo.EG2Release * egInfo.Release * velrelease,
566 persson 2175 velocityAttenuation,
567     sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
568     }
569    
570 persson 2114 void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
571 persson 2837 dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
572 persson 2114
573     // TODO: The SustainPedal condition could be wrong, maybe the
574     // check should be if this Voice is in release stage or is a
575     // release sample instead. Need to test this in GSt.
576 schoenebeck 2396 // -- Andreas
577     //
578     // Commented sustain pedal check out. I don't think voices of the same
579     // note should be stopped at all, because it doesn't sound naturally
580     // with a drumkit.
581     // -- Christian, 2013-01-08
582 schoenebeck 2879 if (itEvent->Param.Note.Key != HostKey() /*||
583 schoenebeck 2396 !GetGigEngineChannel()->SustainPedal*/) {
584 persson 2837 dmsg(4,("Voice %p - kill", (void*)this));
585 persson 2114
586     // kill the voice fast
587     pEG1->enterFadeOutStage();
588     }
589     }
590    
591 persson 2327 void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
592     EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
593     }
594    
595 persson 2382 int Voice::CalculatePan(uint8_t pan) {
596     int p;
597     // Gst behaviour: -64 and 63 are special cases
598     if (RgnInfo.Pan == -64) p = pan * 2 - 127;
599     else if (RgnInfo.Pan == 63) p = pan * 2;
600     else p = pan + RgnInfo.Pan;
601    
602     if (p < 0) return 0;
603     if (p > 127) return 127;
604     return p;
605     }
606    
607 schoenebeck 3444 release_trigger_t Voice::GetReleaseTriggerFlags() {
608 schoenebeck 3448 release_trigger_t flags =
609     (pRegion->NoNoteOffReleaseTrigger) ?
610     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
611 schoenebeck 3444 switch (pRegion->SustainReleaseTrigger) {
612     case ::gig::sust_rel_trg_none:
613     break;
614     case ::gig::sust_rel_trg_maxvelocity:
615     flags |= release_trigger_sustain_maxvelocity;
616     break;
617     case ::gig::sust_rel_trg_keyvelocity:
618     flags |= release_trigger_sustain_keyvelocity;
619     break;
620     }
621     return flags;
622     }
623    
624 schoenebeck 53 }} // namespace LinuxSampler::gig

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