/[svn]/linuxsampler/trunk/src/engines/common/AbstractVoice.cpp
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Diff of /linuxsampler/trunk/src/engines/common/AbstractVoice.cpp

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revision 2382 by persson, Sun Dec 2 16:30:42 2012 UTC revision 2953 by schoenebeck, Sat Jul 16 11:24:39 2016 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) 2009-2012 Christian Schoenebeck and Grigor Iliev        *   *   Copyright (C) 2009-2015 Christian Schoenebeck and Grigor Iliev        *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 110  namespace LinuxSampler { Line 110  namespace LinuxSampler {
110          #endif // CONFIG_DEVMODE          #endif // CONFIG_DEVMODE
111    
112          Type            = VoiceType;          Type            = VoiceType;
113          MIDIKey         = itNoteOnEvent->Param.Note.Key;          pNote           = pEngineChannel->pEngine->NoteByID( itNoteOnEvent->Param.Note.ID );
         MIDIVelocity    = itNoteOnEvent->Param.Note.Velocity;  
114          PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet          PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet
115          Delay           = itNoteOnEvent->FragmentPos();          Delay           = itNoteOnEvent->FragmentPos();
116          itTriggerEvent  = itNoteOnEvent;          itTriggerEvent  = itNoteOnEvent;
117          itKillEvent     = Pool<Event>::Iterator();          itKillEvent     = Pool<Event>::Iterator();
118          MidiKeyBase* pKeyInfo = GetMidiKeyInfo(MIDIKey);          MidiKeyBase* pKeyInfo = GetMidiKeyInfo(MIDIKey());
119    
120          pGroupEvents = iKeyGroup ? pEngineChannel->ActiveKeyGroups[iKeyGroup] : 0;          pGroupEvents = iKeyGroup ? pEngineChannel->ActiveKeyGroups[iKeyGroup] : 0;
121    
# Line 147  namespace LinuxSampler { Line 146  namespace LinuxSampler {
146          float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;          float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
147          CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);          CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);
148          VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);          VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);
149            NoteVolumeSmoother.trigger(pNote ? pNote->Override.Volume : 1.f, subfragmentRate);
150    
151          // Check if the sample needs disk streaming or is too short for that          // Check if the sample needs disk streaming or is too short for that
152          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;
# Line 170  namespace LinuxSampler { Line 170  namespace LinuxSampler {
170              RAMLoop = (SmplInfo.HasLoops && (SmplInfo.LoopStart + SmplInfo.LoopLength) <= MaxRAMPos);              RAMLoop = (SmplInfo.HasLoops && (SmplInfo.LoopStart + SmplInfo.LoopLength) <= MaxRAMPos);
171    
172              if (OrderNewStream()) return -1;              if (OrderNewStream()) return -1;
173              dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, SmplInfo.TotalFrameCount, MaxRAMPos, (RAMLoop) ? "yes" : "no"));              dmsg(4,("Disk voice launched (cached samples: %ld, total Samples: %d, MaxRAMPos: %lu, RAMLooping: %s)\n", cachedsamples, SmplInfo.TotalFrameCount, MaxRAMPos, (RAMLoop) ? "yes" : "no"));
174          }          }
175          else { // RAM only voice          else { // RAM only voice
176              MaxRAMPos = cachedsamples;              MaxRAMPos = cachedsamples;
# Line 186  namespace LinuxSampler { Line 186  namespace LinuxSampler {
186          }          }
187    
188          Pitch = CalculatePitchInfo(PitchBend);          Pitch = CalculatePitchInfo(PitchBend);
189            NotePitch = (pNote) ? pNote->Override.Pitch : 1.0f;
190            NoteCutoff = (pNote) ? pNote->Override.Cutoff : 1.0f;
191            NoteResonance = (pNote) ? pNote->Override.Resonance : 1.0f;
192    
193          // the length of the decay and release curves are dependent on the velocity          // the length of the decay and release curves are dependent on the velocity
194          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
# Line 197  namespace LinuxSampler { Line 200  namespace LinuxSampler {
200              // calculate influence of EG1 controller on EG1's parameters              // calculate influence of EG1 controller on EG1's parameters
201              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);
202    
203                if (pNote) {
204                    egInfo.Attack  *= pNote->Override.Attack;
205                    egInfo.Decay   *= pNote->Override.Decay;
206                    egInfo.Release *= pNote->Override.Release;
207                }
208    
209              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
210          } else {          } else {
211              pSignalUnitRack->Trigger();              pSignalUnitRack->Trigger();
212          }          }
213    
214          uint8_t pan = MIDIPan;          const uint8_t pan = (pSignalUnitRack) ? pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan) : MIDIPan;
215          if (pSignalUnitRack) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);          NotePanLeft  = (pNote) ? AbstractEngine::PanCurveValueNorm(pNote->Override.Pan, 0 /*left*/ ) : 1.f;
216          PanLeftSmoother.trigger(AbstractEngine::PanCurve[128 - pan], subfragmentRate);          NotePanRight = (pNote) ? AbstractEngine::PanCurveValueNorm(pNote->Override.Pan, 1 /*right*/) : 1.f;
217          PanRightSmoother.trigger(AbstractEngine::PanCurve[pan], subfragmentRate);          PanLeftSmoother.trigger(
218                AbstractEngine::PanCurve[128 - pan] * NotePanLeft,
219                subfragmentRate
220            );
221            PanRightSmoother.trigger(
222                AbstractEngine::PanCurve[pan] * NotePanRight,
223                subfragmentRate
224            );
225    
226  #ifdef CONFIG_INTERPOLATE_VOLUME  #ifdef CONFIG_INTERPOLATE_VOLUME
227          // setup initial volume in synthesis parameters          // setup initial volume in synthesis parameters
# Line 248  namespace LinuxSampler { Line 264  namespace LinuxSampler {
264                  // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch                  // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch
265                  bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;                  bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;
266                  float eg3depth = (bPortamento)                  float eg3depth = (bPortamento)
267                               ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)                               ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey()) * 100)
268                               : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);                               : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);
269                  float eg3time = (bPortamento)                  float eg3time = (bPortamento)
270                              ? pEngineChannel->PortamentoTime                              ? pEngineChannel->PortamentoTime
# Line 353  namespace LinuxSampler { Line 369  namespace LinuxSampler {
369          }          }
370                    
371          AbstractEngineChannel* pChannel = pEngineChannel;          AbstractEngineChannel* pChannel = pEngineChannel;
372          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey());
373    
374          const bool bVoiceRequiresDedicatedRouting =          const bool bVoiceRequiresDedicatedRouting =
375              pEngineChannel->GetFxSendCount() > 0 &&              pEngineChannel->GetFxSendCount() > 0 &&
# Line 379  namespace LinuxSampler { Line 395  namespace LinuxSampler {
395    
396          RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first();          RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first();
397          RTList<Event>::Iterator itNoteEvent;          RTList<Event>::Iterator itNoteEvent;
398          GetFirstEventOnKey(MIDIKey, itNoteEvent);          GetFirstEventOnKey(HostKey(), itNoteEvent);
399    
400          RTList<Event>::Iterator itGroupEvent;          RTList<Event>::Iterator itGroupEvent;
401          if (pGroupEvents && !Orphan) itGroupEvent = pGroupEvents->first();          if (pGroupEvents && !Orphan) itGroupEvent = pGroupEvents->first();
# Line 427  namespace LinuxSampler { Line 443  namespace LinuxSampler {
443              fFinalCutoff    = VCFCutoffCtrl.fvalue;              fFinalCutoff    = VCFCutoffCtrl.fvalue;
444              fFinalResonance = VCFResonanceCtrl.fvalue;              fFinalResonance = VCFResonanceCtrl.fvalue;
445    
446              // process MIDI control change and pitchbend events for this subfragment              // process MIDI control change, aftertouch and pitchbend events for this subfragment
447              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
448              uint8_t pan = MIDIPan;              uint8_t pan = MIDIPan;
449              if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);              if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);
               
             PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]);  
             PanRightSmoother.update(AbstractEngine::PanCurve[pan]);  
450    
451              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;              PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan] * NotePanLeft);
452              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();              PanRightSmoother.update(AbstractEngine::PanCurve[pan]      * NotePanRight);
453    
454                finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend * NotePitch;
455    
456                float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render() * NoteVolumeSmoother.render();
457  #ifdef CONFIG_PROCESS_MUTED_CHANNELS  #ifdef CONFIG_PROCESS_MUTED_CHANNELS
458              if (pChannel->GetMute()) fFinalVolume = 0;              if (pChannel->GetMute()) fFinalVolume = 0;
459  #endif  #endif
# Line 488  namespace LinuxSampler { Line 505  namespace LinuxSampler {
505    
506                  // process low frequency oscillators                  // process low frequency oscillators
507                  if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());                  if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());
508                  if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();                  if (bLFO2Enabled) fFinalCutoff *= (1.0f - pLFO2->render());
509                  if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());                  if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());
510              } else {              } else {
511                  // if the voice was killed in this subfragment, enter fade out stage                  // if the voice was killed in this subfragment, enter fade out stage
# Line 513  namespace LinuxSampler { Line 530  namespace LinuxSampler {
530                      pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);                      pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);
531                                            
532              }              }
533                
534                fFinalCutoff    *= NoteCutoff;
535                fFinalResonance *= NoteResonance;
536    
537              // limit the pitch so we don't read outside the buffer              // limit the pitch so we don't read outside the buffer
538              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));
539    
# Line 611  namespace LinuxSampler { Line 631  namespace LinuxSampler {
631      }      }
632    
633      /**      /**
634       * Process given list of MIDI control change and pitch bend events for       * Process given list of MIDI control change, aftertouch and pitch bend
635       * the given time.       * events for the given time.
636       *       *
637       * @param itEvent - iterator pointing to the next event to be processed       * @param itEvent - iterator pointing to the next event to be processed
638       * @param End     - youngest time stamp where processing should be stopped       * @param End     - youngest time stamp where processing should be stopped
# Line 644  namespace LinuxSampler { Line 664  namespace LinuxSampler {
664                  }                  }
665              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
666                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
667                } else if (itEvent->Type == Event::type_channel_pressure) {
668                    ProcessChannelPressureEvent(itEvent);
669                } else if (itEvent->Type == Event::type_note_pressure) {
670                    ProcessPolyphonicKeyPressureEvent(itEvent);
671              }              }
672    
673              ProcessCCEvent(itEvent);              ProcessCCEvent(itEvent);
# Line 668  namespace LinuxSampler { Line 692  namespace LinuxSampler {
692      }      }
693    
694      /**      /**
695       * Process given list of MIDI note on, note off and sustain pedal events       * Process given list of MIDI note on, note off, sustain pedal events and
696       * for the given time.       * note synthesis parameter events for the given time.
697       *       *
698       * @param itEvent - iterator pointing to the next event to be processed       * @param itEvent - iterator pointing to the next event to be processed
699       * @param End     - youngest time stamp where processing should be stopped       * @param End     - youngest time stamp where processing should be stopped
# Line 678  namespace LinuxSampler { Line 702  namespace LinuxSampler {
702          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
703              // some voice types ignore note off              // some voice types ignore note off
704              if (!(Type & (Voice::type_one_shot | Voice::type_release_trigger | Voice::type_controller_triggered))) {              if (!(Type & (Voice::type_one_shot | Voice::type_release_trigger | Voice::type_controller_triggered))) {
705                  if (itEvent->Type == Event::type_release) {                  if (itEvent->Type == Event::type_release_key) {
706                      EnterReleaseStage();                      EnterReleaseStage();
707                  } else if (itEvent->Type == Event::type_cancel_release) {                  } else if (itEvent->Type == Event::type_cancel_release_key) {
708                      if (pSignalUnitRack == NULL) {                      if (pSignalUnitRack == NULL) {
709                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
710                          pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
# Line 689  namespace LinuxSampler { Line 713  namespace LinuxSampler {
713                      }                      }
714                  }                  }
715              }              }
716                // process stop-note events (caused by built-in instrument script function note_off())
717                if (itEvent->Type == Event::type_release_note && pNote &&
718                    pEngineChannel->pEngine->NoteByID( itEvent->Param.Note.ID ) == pNote)
719                {
720                    EnterReleaseStage();
721                }
722                // process synthesis parameter events (caused by built-in realt-time instrument script functions)
723                if (itEvent->Type == Event::type_note_synth_param && pNote &&
724                    pEngineChannel->pEngine->NoteByID( itEvent->Param.NoteSynthParam.NoteID ) == pNote)
725                {
726                    switch (itEvent->Param.NoteSynthParam.Type) {
727                        case Event::synth_param_volume:
728                            NoteVolumeSmoother.update(itEvent->Param.NoteSynthParam.AbsValue);
729                            break;
730                        case Event::synth_param_pitch:
731                            NotePitch = itEvent->Param.NoteSynthParam.AbsValue;
732                            break;
733                        case Event::synth_param_pan:
734                            NotePanLeft  = AbstractEngine::PanCurveValueNorm(itEvent->Param.NoteSynthParam.AbsValue, 0 /*left*/);
735                            NotePanRight = AbstractEngine::PanCurveValueNorm(itEvent->Param.NoteSynthParam.AbsValue, 1 /*right*/);
736                            break;
737                        case Event::synth_param_cutoff:
738                            NoteCutoff = itEvent->Param.NoteSynthParam.AbsValue;
739                            break;
740                        case Event::synth_param_resonance:
741                            NoteResonance = itEvent->Param.NoteSynthParam.AbsValue;
742                            break;
743                    }
744                }
745          }          }
746      }      }
747    
# Line 715  namespace LinuxSampler { Line 768  namespace LinuxSampler {
768      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {
769          if (pSignalUnitRack == NULL) {          if (pSignalUnitRack == NULL) {
770              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());
771              pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;              pEngineChannel->PortamentoPos = (float) MIDIKey() + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;
772          } else {          } else {
773              // TODO:              // TODO:
774          }          }
# Line 742  namespace LinuxSampler { Line 795  namespace LinuxSampler {
795    
796      Voice::PitchInfo AbstractVoice::CalculatePitchInfo(int PitchBend) {      Voice::PitchInfo AbstractVoice::CalculatePitchInfo(int PitchBend) {
797          PitchInfo pitch;          PitchInfo pitch;
798          double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey % 12];          double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey() % 12];
799    
800          // GSt behaviour: maximum transpose up is 40 semitones. If          // GSt behaviour: maximum transpose up is 40 semitones. If
801          // MIDI key is more than 40 semitones above unity note,          // MIDI key is more than 40 semitones above unity note,
802          // the transpose is not done.          // the transpose is not done.
803          if (!SmplInfo.Unpitched && (MIDIKey - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey - (int) RgnInfo.UnityNote) * 100;          if (!SmplInfo.Unpitched && (MIDIKey() - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey() - (int) RgnInfo.UnityNote) * 100;
804    
805          pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate));          pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate));
806          pitch.PitchBendRange = 1.0 / 8192.0 * 100.0 * InstrInfo.PitchbendRange;          pitch.PitchBendRange = 1.0 / 8192.0 * 100.0 * InstrInfo.PitchbendRange;
# Line 755  namespace LinuxSampler { Line 808  namespace LinuxSampler {
808    
809          return pitch;          return pitch;
810      }      }
811        
812        void AbstractVoice::onScaleTuningChanged() {
813            PitchInfo pitch = this->Pitch;
814            double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey() % 12];
815            
816            // GSt behaviour: maximum transpose up is 40 semitones. If
817            // MIDI key is more than 40 semitones above unity note,
818            // the transpose is not done.
819            if (!SmplInfo.Unpitched && (MIDIKey() - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey() - (int) RgnInfo.UnityNote) * 100;
820            
821            pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate));
822            this->Pitch = pitch;
823        }
824    
825      double AbstractVoice::CalculateVolume(double velocityAttenuation) {      double AbstractVoice::CalculateVolume(double velocityAttenuation) {
826          // For 16 bit samples, we downscale by 32768 to convert from          // For 16 bit samples, we downscale by 32768 to convert from
# Line 767  namespace LinuxSampler { Line 833  namespace LinuxSampler {
833          // the volume of release triggered samples depends on note length          // the volume of release triggered samples depends on note length
834          if (Type & Voice::type_release_trigger) {          if (Type & Voice::type_release_trigger) {
835              float noteLength = float(GetEngine()->FrameTime + Delay -              float noteLength = float(GetEngine()->FrameTime + Delay -
836                  GetNoteOnTime(MIDIKey) ) / GetEngine()->SampleRate;                  GetNoteOnTime(MIDIKey()) ) / GetEngine()->SampleRate;
837    
838              volume *= GetReleaseTriggerAttenuation(noteLength);              volume *= GetReleaseTriggerAttenuation(noteLength);
839          }          }
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