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

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

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 2203 by persson, Sat Jul 9 16:44:27 2011 UTC revision 3721 by schoenebeck, Mon Jan 20 15:10:05 2020 UTC
# Line 4  Line 4 
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *   Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev      *   *   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  *   *   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  *   *   it under the terms of the GNU General Public License as published by  *
# Line 32  Line 33 
33    
34  namespace LinuxSampler { namespace gig {  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        // Returns true for GigaStudio's original filter types (which are resembled
53        // by LS very accurately with same frequency response and patch settings
54        // behaviour), false for our own LS specific filter implementation types.
55        constexpr bool isGStFilterType(::gig::vcf_type_t type) {
56            return type == ::gig::vcf_type_lowpass ||
57                   type == ::gig::vcf_type_lowpassturbo ||
58                   type == ::gig::vcf_type_bandpass ||
59                   type == ::gig::vcf_type_highpass ||
60                   type == ::gig::vcf_type_bandreject;
61        }
62    
63      Voice::Voice() {      Voice::Voice() {
64          pEngine = NULL;          pEngine = NULL;
65          pEG1 = &EG1;          pEG1 = &EG1;
# Line 58  namespace LinuxSampler { namespace gig { Line 86  namespace LinuxSampler { namespace gig {
86          si.ChannelCount     = pSample->Channels;          si.ChannelCount     = pSample->Channels;
87          si.FrameSize        = pSample->FrameSize;          si.FrameSize        = pSample->FrameSize;
88          si.BitDepth         = pSample->BitDepth;          si.BitDepth         = pSample->BitDepth;
89          si.TotalFrameCount  = pSample->SamplesTotal;          si.TotalFrameCount  = (uint)pSample->SamplesTotal;
90    
91          si.HasLoops       = pRegion->SampleLoops;          si.HasLoops       = pRegion->SampleLoops;
92          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
# Line 124  namespace LinuxSampler { namespace gig { Line 152  namespace LinuxSampler { namespace gig {
152          }          }
153      }      }
154    
155        void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
156            if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
157                if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
158                    CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
159                }
160            }
161        }
162    
163        void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
164            // Not used so far
165        }
166    
167        uint8_t Voice::MinCutoff() const {
168            // If there's a cutoff controller defined then VCFVelocityScale means
169            // "minimum cutoff". If there is no MIDI controller defined for cutoff
170            // then VCFVelocityScale is already taken into account on libgig side
171            // instead by call to pRegion->GetVelocityCutoff(MIDIKeyVelocity).
172            return pRegion->VCFVelocityScale;
173        }
174    
175        // This is called on any cutoff controller changes, however not when the
176        // voice is triggered. So the initial cutoff value is retrieved by a call
177        // to CalculateFinalCutoff() instead.
178      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
179          int ccvalue = itEvent->Param.CC.Value;          if (VCFCutoffCtrl.value == itEvent->Param.CC.Value) return;
180          if (VCFCutoffCtrl.value == ccvalue) return;          float ccvalue = VCFCutoffCtrl.value = itEvent->Param.CC.Value;
181          VCFCutoffCtrl.value = ccvalue;  
182          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          // if the selected filter type is an official GigaStudio filter type
183          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;          // then we preserve the original (no matter how odd) historical GSt
184          float cutoff = CutoffBase * float(ccvalue);          // behaviour identically; for our own filter types though we deviate to
185            // more meaningful behaviours where appropriate
186            const bool isGStFilter = isGStFilterType(pRegion->VCFType);
187    
188            if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
189            // interpret "minimum cutoff" not simply as hard limit, rather
190            // restrain it to min_cutoff..127 range, but spanned / remapped over
191            // the entire controller range (0..127) to avoid a "dead" lower
192            // controller zone (that is to avoid a certain CC value range where
193            // the controller would not change the cutoff frequency)
194            ccvalue = MinCutoff() + (ccvalue / 127.f) * float(127 - MinCutoff());
195    
196            float cutoff = CutoffBase * ccvalue;
197          if (cutoff > 127.0f) cutoff = 127.0f;          if (cutoff > 127.0f) cutoff = 127.0f;
198    
199          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time          // the filter implementations of the original GSt filter types take an
200          fFinalCutoff = cutoff;          // abstract cutoff parameter range of 0..127, whereas our own filter
201            // types take a cutoff parameter in Hz, so remap here:
202            // 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz)
203            if (!isGStFilter) {
204                cutoff = (cutoff + 29.f) / (127.f + 29.f);
205                cutoff = cutoff * cutoff * cutoff * cutoff * 18000.f;
206                if (cutoff > 0.49f * pEngine->SampleRate)
207                    cutoff = 0.49f * pEngine->SampleRate;
208            }
209    
210            fFinalCutoff = VCFCutoffCtrl.fvalue = cutoff;
211      }      }
212    
213      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
# Line 181  namespace LinuxSampler { namespace gig { Line 254  namespace LinuxSampler { namespace gig {
254      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
255          EGInfo eg;          EGInfo eg;
256          // (eg1attack is different from the others)          // (eg1attack is different from the others)
257          eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
258              1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?              (pRegion->EG1ControllerAttackInfluence == 0 ||
259                                    1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;               eg1ControllerValue <= 10)) { // strange GSt special case
260                eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
261            } else {
262                eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
263                    1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
264                                          1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
265            }
266          eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;          eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
267          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
268    
# Line 254  namespace LinuxSampler { namespace gig { Line 333  namespace LinuxSampler { namespace gig {
333                  bLFO1Enabled         = false;                  bLFO1Enabled         = false;
334          }          }
335          if (bLFO1Enabled) {          if (bLFO1Enabled) {
336              pLFO1->trigger(pRegion->LFO1Frequency,              pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
337                             start_level_min,                             pRegion->LFO1Frequency,
338                               pRegion->LFO1Phase,
339                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
340                             lfo1_internal_depth,                             lfo1_internal_depth,
341                             pRegion->LFO1ControlDepth,                             pRegion->LFO1ControlDepth,
342                             pRegion->LFO1FlipPhase,                             pRegion->LFO1FlipPhase,
343                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
344              pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);              pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
345                pLFO1->setScriptDepthFactor(
346                    pNote->Override.AmpLFODepth.Value,
347                    pNote->Override.AmpLFODepth.Final
348                );
349                if (pNote->Override.AmpLFOFreq.isFinal())
350                    pLFO1->setScriptFrequencyFinal(
351                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
352                    );
353                else
354                    pLFO1->setScriptFrequencyFactor(
355                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
356                    );
357          }          }
358      }      }
359    
# Line 298  namespace LinuxSampler { namespace gig { Line 391  namespace LinuxSampler { namespace gig {
391                  bLFO2Enabled         = false;                  bLFO2Enabled         = false;
392          }          }
393          if (bLFO2Enabled) {          if (bLFO2Enabled) {
394              pLFO2->trigger(pRegion->LFO2Frequency,              pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
395                             start_level_max,                             pRegion->LFO2Frequency,
396                               pRegion->LFO2Phase,
397                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
398                             lfo2_internal_depth,                             lfo2_internal_depth,
399                             pRegion->LFO2ControlDepth,                             pRegion->LFO2ControlDepth,
400                             pRegion->LFO2FlipPhase,                             pRegion->LFO2FlipPhase,
401                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
402              pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);              pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
403                pLFO2->setScriptDepthFactor(
404                    pNote->Override.CutoffLFODepth.Value,
405                    pNote->Override.CutoffLFODepth.Final
406                );
407                if (pNote->Override.CutoffLFOFreq.isFinal())
408                    pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
409                else
410                    pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
411          }          }
412      }      }
413    
# Line 323  namespace LinuxSampler { namespace gig { Line 426  namespace LinuxSampler { namespace gig {
426                  break;                  break;
427              case ::gig::lfo3_ctrl_aftertouch:              case ::gig::lfo3_ctrl_aftertouch:
428                  lfo3_internal_depth  = 0;                  lfo3_internal_depth  = 0;
429                  pLFO3->ExtController = 128;                  pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
430                  bLFO3Enabled         = true;                  bLFO3Enabled         = true;
431                  break;                  break;
432              case ::gig::lfo3_ctrl_internal_modwheel:              case ::gig::lfo3_ctrl_internal_modwheel:
# Line 333  namespace LinuxSampler { namespace gig { Line 436  namespace LinuxSampler { namespace gig {
436                  break;                  break;
437              case ::gig::lfo3_ctrl_internal_aftertouch:              case ::gig::lfo3_ctrl_internal_aftertouch:
438                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
439                  pLFO3->ExtController = 128;                  pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
440                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
441                  break;                  break;
442              default:              default:
# Line 342  namespace LinuxSampler { namespace gig { Line 445  namespace LinuxSampler { namespace gig {
445                  bLFO3Enabled         = false;                  bLFO3Enabled         = false;
446          }          }
447          if (bLFO3Enabled) {          if (bLFO3Enabled) {
448              pLFO3->trigger(pRegion->LFO3Frequency,              pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
449                             start_level_mid,                             pRegion->LFO3Frequency,
450                               pRegion->LFO3Phase,
451                               LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
452                             lfo3_internal_depth,                             lfo3_internal_depth,
453                             pRegion->LFO3ControlDepth,                             pRegion->LFO3ControlDepth,
454                             false,                             pRegion->LFO3FlipPhase,
455                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
456              pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);              pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
457                pLFO3->setScriptDepthFactor(
458                    pNote->Override.PitchLFODepth.Value,
459                    pNote->Override.PitchLFODepth.Final
460                );
461                if (pNote->Override.PitchLFOFreq.isFinal())
462                    pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
463                else
464                    pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
465          }          }
466      }      }
467    
468      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
469          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
470          if (pRegion->VCFKeyboardTracking) {          if (pRegion->VCFKeyboardTracking) {
471              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100);              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
472          }          }
473          return cutoff;          return cutoff;
474      }      }
475    
476        // This is just called when the voice is triggered. On any subsequent cutoff
477        // controller changes ProcessCutoffEvent() is called instead.
478      float Voice::CalculateFinalCutoff(float cutoffBase) {      float Voice::CalculateFinalCutoff(float cutoffBase) {
479          int cvalue;          // if the selected filter type is an official GigaStudio filter type
480            // then we preserve the original (no matter how odd) historical GSt
481            // behaviour identically; for our own filter types though we deviate to
482            // more meaningful behaviours where appropriate
483            const bool isGStFilter = isGStFilterType(pRegion->VCFType);
484    
485            // get current cutoff CC or velocity value (always 0..127)
486            float cvalue;
487          if (VCFCutoffCtrl.controller) {          if (VCFCutoffCtrl.controller) {
488              cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];              cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
489              if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;              if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
490              // VCFVelocityScale in this case means Minimum cutoff              if (isGStFilter) {
491              if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;                  // VCFVelocityScale in this case means "minimum cutoff" for GSt
492          }                  if (cvalue < MinCutoff()) cvalue = MinCutoff();
493          else {              } else {
494                    // for our own filter types we interpret "minimum cutoff"
495                    // differently: GSt handles this as a simple hard limit with the
496                    // consequence that a certain range of the controller is simply
497                    // dead; so for our filter types we rather remap that to
498                    // restrain within the min_cutoff..127 range as well, but
499                    // effectively spanned over the entire controller range (0..127)
500                    // to avoid such a "dead" lower controller zone
501                    cvalue = MinCutoff() + (cvalue / 127.f) * float(127 - MinCutoff());
502                }
503            } else {
504                // in case of velocity, VCFVelocityScale parameter is already
505                // handled on libgig side (so by calling
506                // pRegion->GetVelocityCutoff(velo) in CalculateCutoffBase() above)
507              cvalue = pRegion->VCFCutoff;              cvalue = pRegion->VCFCutoff;
508          }          }
509          float fco = cutoffBase * float(cvalue);  
510            float fco = cutoffBase * cvalue;
511          if (fco > 127.0f) fco = 127.0f;          if (fco > 127.0f) fco = 127.0f;
512    
513            // the filter implementations of the original GSt filter types take an
514            // abstract cutoff parameter range of 0..127, ...
515            if (isGStFilter)
516                return fco;
517    
518            // ... whereas our own filter types take a cutoff parameter in Hz, so
519            // remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz)
520            fco = (fco + 29.f) / (127.f + 29.f);
521            fco = fco * fco * fco * fco * 18000.f;
522            if (fco > 0.49f * pEngine->SampleRate)
523                fco = 0.49f * pEngine->SampleRate;
524          return fco;          return fco;
525      }      }
526    
# Line 408  namespace LinuxSampler { namespace gig { Line 555  namespace LinuxSampler { namespace gig {
555                  ctrl = 83;                  ctrl = 83;
556                  break;                  break;
557              case ::gig::vcf_cutoff_ctrl_aftertouch:              case ::gig::vcf_cutoff_ctrl_aftertouch:
558                  ctrl = 128;                  ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
559                  break;                  break;
560              case ::gig::vcf_cutoff_ctrl_none:              case ::gig::vcf_cutoff_ctrl_none:
561              default:              default:
# Line 443  namespace LinuxSampler { namespace gig { Line 590  namespace LinuxSampler { namespace gig {
590      }      }
591    
592      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
593            EG1.setStateOptions(
594                pRegion->EG1Options.AttackCancel,
595                pRegion->EG1Options.AttackHoldCancel,
596                pRegion->EG1Options.Decay1Cancel,
597                pRegion->EG1Options.Decay2Cancel,
598                pRegion->EG1Options.ReleaseCancel
599            );
600          EG1.trigger(pRegion->EG1PreAttack,          EG1.trigger(pRegion->EG1PreAttack,
601                      pRegion->EG1Attack * egInfo.Attack,                      (pNote && pNote->Override.Attack.isFinal()) ?
602                            pNote->Override.Attack.Value :
603                            RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
604                      pRegion->EG1Hold,                      pRegion->EG1Hold,
605                      pRegion->EG1Decay1 * egInfo.Decay * velrelease,                      (pNote && pNote->Override.Decay.isFinal()) ?
606                      pRegion->EG1Decay2 * egInfo.Decay * velrelease,                          pNote->Override.Decay.Value :
607                            pRegion->EG1Decay1 * egInfo.Decay * velrelease,
608                        (pNote && pNote->Override.Decay.isFinal()) ?
609                            pNote->Override.Decay.Value :
610                            pRegion->EG1Decay2 * egInfo.Decay * velrelease,
611                      pRegion->EG1InfiniteSustain,                      pRegion->EG1InfiniteSustain,
612                      pRegion->EG1Sustain,                      (pNote && pNote->Override.Sustain.Final) ?
613                      pRegion->EG1Release * egInfo.Release * velrelease,                          uint(pNote->Override.Sustain.Value * 1000.f) :
614                            pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
615                        (pNote && pNote->Override.Release.isFinal()) ?
616                            pNote->Override.Release.Value :
617                            RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
618                      velocityAttenuation,                      velocityAttenuation,
619                      sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
620      }      }
621    
622      void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {      void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
623            EG2.setStateOptions(
624                pRegion->EG2Options.AttackCancel,
625                pRegion->EG2Options.AttackHoldCancel,
626                pRegion->EG2Options.Decay1Cancel,
627                pRegion->EG2Options.Decay2Cancel,
628                pRegion->EG2Options.ReleaseCancel
629            );
630          EG2.trigger(uint(RgnInfo.EG2PreAttack),          EG2.trigger(uint(RgnInfo.EG2PreAttack),
631                      RgnInfo.EG2Attack * egInfo.Attack,                      (pNote && pNote->Override.CutoffAttack.isFinal()) ?
632                            pNote->Override.CutoffAttack.Value :
633                            RgnInfo.EG2Attack * egInfo.Attack,
634                      false,                      false,
635                      RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,                      (pNote && pNote->Override.CutoffDecay.isFinal()) ?
636                      RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,                          pNote->Override.CutoffDecay.Value :
637                            RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
638                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
639                            pNote->Override.CutoffDecay.Value :
640                            RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
641                      RgnInfo.EG2InfiniteSustain,                      RgnInfo.EG2InfiniteSustain,
642                      uint(RgnInfo.EG2Sustain),                      (pNote && pNote->Override.CutoffSustain.Final) ?
643                      RgnInfo.EG2Release * egInfo.Release * velrelease,                          uint(pNote->Override.CutoffSustain.Value * 1000.f) :
644                            uint(RgnInfo.EG2Sustain),
645                        (pNote && pNote->Override.CutoffRelease.isFinal()) ?
646                            pNote->Override.CutoffRelease.Value :
647                            RgnInfo.EG2Release * egInfo.Release * velrelease,
648                      velocityAttenuation,                      velocityAttenuation,
649                      sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
650      }      }
651    
652      void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
653          dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type));          dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
654    
655          // TODO: The SustainPedal condition could be wrong, maybe the          // TODO: The SustainPedal condition could be wrong, maybe the
656          // check should be if this Voice is in release stage or is a          // check should be if this Voice is in release stage or is a
657          // release sample instead. Need to test this in GSt.          // release sample instead. Need to test this in GSt.
658          if (itEvent->Param.Note.Key != MIDIKey ||          // -- Andreas
659              !GetGigEngineChannel()->SustainPedal) {          //
660              dmsg(4,("Voice %x - kill", this));          // Commented sustain pedal check out. I don't think voices of the same
661            // note should be stopped at all, because it doesn't sound naturally
662            // with a drumkit.
663            // -- Christian, 2013-01-08
664            if (itEvent->Param.Note.Key != HostKey() /*||
665                !GetGigEngineChannel()->SustainPedal*/) {
666                dmsg(4,("Voice %p - kill", (void*)this));
667    
668              // kill the voice fast              // kill the voice fast
669              pEG1->enterFadeOutStage();              pEG1->enterFadeOutStage();
670          }          }
671      }      }
672    
673        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
674            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
675        }
676    
677        int Voice::CalculatePan(uint8_t pan) {
678            int p;
679            // Gst behaviour: -64 and 63 are special cases
680            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
681            else if (RgnInfo.Pan == 63) p = pan * 2;
682            else                        p = pan + RgnInfo.Pan;
683    
684            if (p < 0) return 0;
685            if (p > 127) return 127;
686            return p;
687        }
688    
689        release_trigger_t Voice::GetReleaseTriggerFlags() {
690            release_trigger_t flags =
691                (pRegion->NoNoteOffReleaseTrigger) ?
692                    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
693            switch (pRegion->SustainReleaseTrigger) {
694                case ::gig::sust_rel_trg_none:
695                    break;
696                case ::gig::sust_rel_trg_maxvelocity:
697                    flags |= release_trigger_sustain_maxvelocity;
698                    break;
699                case ::gig::sust_rel_trg_keyvelocity:
700                    flags |= release_trigger_sustain_keyvelocity;
701                    break;
702            }
703            return flags;
704        }
705    
706  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
Legend:
Removed from v.2203  
changed lines
  Added in v.3721
  ViewVC Help
Powered by ViewVC