/[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 2879 by schoenebeck, Tue Apr 19 14:07:53 2016 UTC revision 3034 by schoenebeck, Mon Oct 31 00:05:00 2016 UTC
# Line 143  namespace LinuxSampler { Line 143  namespace LinuxSampler {
143          VolumeLeft  = volume * pKeyInfo->PanLeft;          VolumeLeft  = volume * pKeyInfo->PanLeft;
144          VolumeRight = volume * pKeyInfo->PanRight;          VolumeRight = volume * pKeyInfo->PanRight;
145    
146          float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;          // this rate is used for rather mellow volume fades
147            const float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
148            // this rate is used for very fast volume fades
149            const float quickRampRate = RTMath::Min(subfragmentRate, GetEngine()->SampleRate * 0.001f /* 1ms */);
150          CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);          CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);
151    
152          VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);          VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);
153            NoteVolumeSmoother.trigger(pNote ? pNote->Override.Volume : 1.f, quickRampRate);
154    
155          // 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
156          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;
# Line 185  namespace LinuxSampler { Line 190  namespace LinuxSampler {
190          }          }
191    
192          Pitch = CalculatePitchInfo(PitchBend);          Pitch = CalculatePitchInfo(PitchBend);
193            NotePitch = (pNote) ? pNote->Override.Pitch : 1.0f;
194            NoteCutoff = (pNote) ? pNote->Override.Cutoff : 1.0f;
195            NoteResonance = (pNote) ? pNote->Override.Resonance : 1.0f;
196    
197          // 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
198          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
# Line 196  namespace LinuxSampler { Line 204  namespace LinuxSampler {
204              // calculate influence of EG1 controller on EG1's parameters              // calculate influence of EG1 controller on EG1's parameters
205              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);
206    
207                if (pNote) {
208                    egInfo.Attack  *= pNote->Override.Attack;
209                    egInfo.Decay   *= pNote->Override.Decay;
210                    egInfo.Release *= pNote->Override.Release;
211                }
212    
213              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
214          } else {          } else {
215              pSignalUnitRack->Trigger();              pSignalUnitRack->Trigger();
216          }          }
217    
218          uint8_t pan = MIDIPan;          const uint8_t pan = (pSignalUnitRack) ? pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan) : MIDIPan;
219          if (pSignalUnitRack) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);          NotePanLeft  = (pNote) ? AbstractEngine::PanCurveValueNorm(pNote->Override.Pan, 0 /*left*/ ) : 1.f;
220          PanLeftSmoother.trigger(AbstractEngine::PanCurve[128 - pan], subfragmentRate);          NotePanRight = (pNote) ? AbstractEngine::PanCurveValueNorm(pNote->Override.Pan, 1 /*right*/) : 1.f;
221          PanRightSmoother.trigger(AbstractEngine::PanCurve[pan], subfragmentRate);          PanLeftSmoother.trigger(
222                AbstractEngine::PanCurve[128 - pan] * NotePanLeft,
223                quickRampRate //NOTE: maybe we should have 2 separate pan smoothers, one for MIDI CC10 (with slow rate) and one for instrument script change_pan() calls (with fast rate)
224            );
225            PanRightSmoother.trigger(
226                AbstractEngine::PanCurve[pan] * NotePanRight,
227                quickRampRate //NOTE: maybe we should have 2 separate pan smoothers, one for MIDI CC10 (with slow rate) and one for instrument script change_pan() calls (with fast rate)
228            );
229    
230  #ifdef CONFIG_INTERPOLATE_VOLUME  #ifdef CONFIG_INTERPOLATE_VOLUME
231          // setup initial volume in synthesis parameters          // setup initial volume in synthesis parameters
# Line 430  namespace LinuxSampler { Line 451  namespace LinuxSampler {
451              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
452              uint8_t pan = MIDIPan;              uint8_t pan = MIDIPan;
453              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]);  
454    
455              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;              PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan] * NotePanLeft);
456              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();              PanRightSmoother.update(AbstractEngine::PanCurve[pan]      * NotePanRight);
457    
458                finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend * NotePitch;
459    
460                float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render() * NoteVolumeSmoother.render();
461  #ifdef CONFIG_PROCESS_MUTED_CHANNELS  #ifdef CONFIG_PROCESS_MUTED_CHANNELS
462              if (pChannel->GetMute()) fFinalVolume = 0;              if (pChannel->GetMute()) fFinalVolume = 0;
463  #endif  #endif
# Line 512  namespace LinuxSampler { Line 534  namespace LinuxSampler {
534                      pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);                      pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);
535                                            
536              }              }
537                
538                fFinalCutoff    *= NoteCutoff;
539                fFinalResonance *= NoteResonance;
540    
541              // limit the pitch so we don't read outside the buffer              // limit the pitch so we don't read outside the buffer
542              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));
543    
# Line 618  namespace LinuxSampler { Line 643  namespace LinuxSampler {
643       */       */
644      void AbstractVoice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {      void AbstractVoice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {
645          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
646              if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event              if ((itEvent->Type == Event::type_control_change || itEvent->Type == Event::type_channel_pressure)
647                    && itEvent->Param.CC.Controller) // if (valid) MIDI control change event
648                {
649                  if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {                  if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {
650                      ProcessCutoffEvent(itEvent);                      ProcessCutoffEvent(itEvent);
651                  }                  }
652                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {
653                      processResonanceEvent(itEvent);                      processResonanceEvent(itEvent);
654                  }                  }
655                    if (itEvent->Param.CC.Controller == CTRL_TABLE_IDX_AFTERTOUCH ||
656                        itEvent->Type == Event::type_channel_pressure)
657                    {
658                        ProcessChannelPressureEvent(itEvent);
659                    }
660                  if (pSignalUnitRack == NULL) {                  if (pSignalUnitRack == NULL) {
661                      if (itEvent->Param.CC.Controller == pLFO1->ExtController) {                      if (itEvent->Param.CC.Controller == pLFO1->ExtController) {
662                          pLFO1->update(itEvent->Param.CC.Value);                          pLFO1->update(itEvent->Param.CC.Value);
# Line 643  namespace LinuxSampler { Line 675  namespace LinuxSampler {
675                  }                  }
676              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
677                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
             } else if (itEvent->Type == Event::type_channel_pressure) {  
                 ProcessChannelPressureEvent(itEvent);  
678              } else if (itEvent->Type == Event::type_note_pressure) {              } else if (itEvent->Type == Event::type_note_pressure) {
679                  ProcessPolyphonicKeyPressureEvent(itEvent);                  ProcessPolyphonicKeyPressureEvent(itEvent);
680              }              }
# Line 671  namespace LinuxSampler { Line 701  namespace LinuxSampler {
701      }      }
702    
703      /**      /**
704       * 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
705       * for the given time.       * note synthesis parameter events for the given time.
706       *       *
707       * @param itEvent - iterator pointing to the next event to be processed       * @param itEvent - iterator pointing to the next event to be processed
708       * @param End     - youngest time stamp where processing should be stopped       * @param End     - youngest time stamp where processing should be stopped
# Line 681  namespace LinuxSampler { Line 711  namespace LinuxSampler {
711          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
712              // some voice types ignore note off              // some voice types ignore note off
713              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))) {
714                  if (itEvent->Type == Event::type_release) {                  if (itEvent->Type == Event::type_release_key) {
715                      EnterReleaseStage();                      EnterReleaseStage();
716                  } else if (itEvent->Type == Event::type_cancel_release) {                  } else if (itEvent->Type == Event::type_cancel_release_key) {
717                      if (pSignalUnitRack == NULL) {                      if (pSignalUnitRack == NULL) {
718                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
719                          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 692  namespace LinuxSampler { Line 722  namespace LinuxSampler {
722                      }                      }
723                  }                  }
724              }              }
725                // process stop-note events (caused by built-in instrument script function note_off())
726                if (itEvent->Type == Event::type_release_note && pNote &&
727                    pEngineChannel->pEngine->NoteByID( itEvent->Param.Note.ID ) == pNote)
728                {
729                    EnterReleaseStage();
730                }
731                // process synthesis parameter events (caused by built-in realt-time instrument script functions)
732                if (itEvent->Type == Event::type_note_synth_param && pNote &&
733                    pEngineChannel->pEngine->NoteByID( itEvent->Param.NoteSynthParam.NoteID ) == pNote)
734                {
735                    switch (itEvent->Param.NoteSynthParam.Type) {
736                        case Event::synth_param_volume:
737                            NoteVolumeSmoother.update(itEvent->Param.NoteSynthParam.AbsValue);
738                            break;
739                        case Event::synth_param_pitch:
740                            NotePitch = itEvent->Param.NoteSynthParam.AbsValue;
741                            break;
742                        case Event::synth_param_pan:
743                            NotePanLeft  = AbstractEngine::PanCurveValueNorm(itEvent->Param.NoteSynthParam.AbsValue, 0 /*left*/);
744                            NotePanRight = AbstractEngine::PanCurveValueNorm(itEvent->Param.NoteSynthParam.AbsValue, 1 /*right*/);
745                            break;
746                        case Event::synth_param_cutoff:
747                            NoteCutoff = itEvent->Param.NoteSynthParam.AbsValue;
748                            break;
749                        case Event::synth_param_resonance:
750                            NoteResonance = itEvent->Param.NoteSynthParam.AbsValue;
751                            break;
752    
753                        case Event::synth_param_attack:
754                        case Event::synth_param_decay:
755                        case Event::synth_param_release:
756                            break; // noop
757                    }
758                }
759          }          }
760      }      }
761    
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