/[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 2216 by iliev, Mon Jul 25 17:21:16 2011 UTC revision 2219 by iliev, Thu Jul 28 12:35:49 2011 UTC
# Line 26  Line 26 
26    
27  namespace LinuxSampler {  namespace LinuxSampler {
28    
29      AbstractVoice::AbstractVoice() {      AbstractVoice::AbstractVoice(SignalUnitRack* pRack): pSignalUnitRack(pRack) {
30          pEngineChannel = NULL;          pEngineChannel = NULL;
31          pLFO1 = new LFOUnsigned(1.0f);  // amplitude LFO (0..1 range)          pLFO1 = new LFOUnsigned(1.0f);  // amplitude LFO (0..1 range)
32          pLFO2 = new LFOUnsigned(1.0f);  // filter LFO (0..1 range)          pLFO2 = new LFOUnsigned(1.0f);  // filter LFO (0..1 range)
# Line 99  namespace LinuxSampler { Line 99  namespace LinuxSampler {
99    
100          Type            = VoiceType;          Type            = VoiceType;
101          MIDIKey         = itNoteOnEvent->Param.Note.Key;          MIDIKey         = itNoteOnEvent->Param.Note.Key;
102            MIDIVelocity    = itNoteOnEvent->Param.Note.Velocity;
103            MIDIPan         = pEngineChannel->ControllerTable[10];
104            if (MIDIPan == 0 && pEngineChannel->GlobalPanRight == 1) MIDIPan = 64; // workaround used to determine whether the MIDI pan has not been set
105          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
106          Delay           = itNoteOnEvent->FragmentPos();          Delay           = itNoteOnEvent->FragmentPos();
107          itTriggerEvent  = itNoteOnEvent;          itTriggerEvent  = itNoteOnEvent;
# Line 177  namespace LinuxSampler { Line 180  namespace LinuxSampler {
180          // 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
181          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
182    
183          if (GetSignalUnitRack() == NULL) { // setup EG 1 (VCA EG)          if (pSignalUnitRack == NULL) { // setup EG 1 (VCA EG)
184              // get current value of EG1 controller              // get current value of EG1 controller
185              double eg1controllervalue = GetEG1ControllerValue(itNoteOnEvent->Param.Note.Velocity);              double eg1controllervalue = GetEG1ControllerValue(itNoteOnEvent->Param.Note.Velocity);
186    
# Line 186  namespace LinuxSampler { Line 189  namespace LinuxSampler {
189    
190              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
191          } else {          } else {
192              GetSignalUnitRack()->Trigger();              pSignalUnitRack->Trigger();
193          }          }
194    
195  #ifdef CONFIG_INTERPOLATE_VOLUME  #ifdef CONFIG_INTERPOLATE_VOLUME
# Line 200  namespace LinuxSampler { Line 203  namespace LinuxSampler {
203      #else      #else
204          {          {
205              float finalVolume;              float finalVolume;
206              if (GetSignalUnitRack() == NULL) {              if (pSignalUnitRack == NULL) {
207                  finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pEG1->getLevel();                  finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pEG1->getLevel();
208              } else {              } else {
209                  finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * GetSignalUnitRack()->GetEndpointUnit()->GetVolume();                  finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pSignalUnitRack->GetEndpointUnit()->GetVolume();
210              }              }
211    
212              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;
# Line 212  namespace LinuxSampler { Line 215  namespace LinuxSampler {
215      #endif      #endif
216  #endif  #endif
217    
218          if (GetSignalUnitRack() == NULL) {          if (pSignalUnitRack == NULL) {
219              // setup EG 2 (VCF Cutoff EG)              // setup EG 2 (VCF Cutoff EG)
220              {              {
221                  // get current value of EG2 controller                  // get current value of EG2 controller
# Line 356  namespace LinuxSampler { Line 359  namespace LinuxSampler {
359                  // drivers that use Samples < MaxSamplesPerCycle).                  // drivers that use Samples < MaxSamplesPerCycle).
360                  // End the EG1 here, at pos 0, with a shorter max fade                  // End the EG1 here, at pos 0, with a shorter max fade
361                  // out time.                  // out time.
362                  if (GetSignalUnitRack() == NULL) {                  if (pSignalUnitRack == NULL) {
363                      pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
364                  } else {                  } else {
365                      // TODO:                      // TODO:
# Line 377  namespace LinuxSampler { Line 380  namespace LinuxSampler {
380    
381              // process MIDI control change and pitchbend events for this subfragment              // process MIDI control change and pitchbend events for this subfragment
382              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
383                uint8_t pan = MIDIPan;
384                if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CaluclatePan(pan);
385                
386                PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]);
387                PanRightSmoother.update(AbstractEngine::PanCurve[pan]);
388    
389              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;
390              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();
# Line 388  namespace LinuxSampler { Line 396  namespace LinuxSampler {
396              processTransitionEvents(itNoteEvent, iSubFragmentEnd);              processTransitionEvents(itNoteEvent, iSubFragmentEnd);
397              processGroupEvents(itGroupEvent, iSubFragmentEnd);              processGroupEvents(itGroupEvent, iSubFragmentEnd);
398    
399              if (GetSignalUnitRack() == NULL) {              if (pSignalUnitRack == NULL) {
400                  // if the voice was killed in this subfragment, or if the                  // if the voice was killed in this subfragment, or if the
401                  // filter EG is finished, switch EG1 to fade out stage                  // filter EG is finished, switch EG1 to fade out stage
402                  if ((itKillEvent && killPos <= iSubFragmentEnd) ||                  if ((itKillEvent && killPos <= iSubFragmentEnd) ||
# Line 444  namespace LinuxSampler { Line 452  namespace LinuxSampler {
452                  }*/                  }*/
453                  // TODO: ^^^                  // TODO: ^^^
454    
455                  fFinalVolume   *= GetSignalUnitRack()->GetEndpointUnit()->GetVolume();                  fFinalVolume   *= pSignalUnitRack->GetEndpointUnit()->GetVolume();
456                  fFinalCutoff    = GetSignalUnitRack()->GetEndpointUnit()->CalculateFilterCutoff(fFinalCutoff);                  fFinalCutoff    = pSignalUnitRack->GetEndpointUnit()->CalculateFilterCutoff(fFinalCutoff);
457                  fFinalResonance = GetSignalUnitRack()->GetEndpointUnit()->CalculateResonance(fFinalResonance);                  fFinalResonance = pSignalUnitRack->GetEndpointUnit()->CalculateResonance(fFinalResonance);
458                                    
459                  finalSynthesisParameters.fFinalPitch =                  finalSynthesisParameters.fFinalPitch =
460                      GetSignalUnitRack()->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);                      pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);
461                                            
462              }              }
463                            
# Line 487  namespace LinuxSampler { Line 495  namespace LinuxSampler {
495              // render audio for one subfragment              // render audio for one subfragment
496              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);
497    
498              if (GetSignalUnitRack() == NULL) {              if (pSignalUnitRack == NULL) {
499                  // stop the rendering if volume EG is finished                  // stop the rendering if volume EG is finished
500                  if (pEG1->getSegmentType() == EG::segment_end) break;                  if (pEG1->getSegmentType() == EG::segment_end) break;
501              } else {              } else {
502                  // stop the rendering if the endpoint unit is not active                  // stop the rendering if the endpoint unit is not active
503                  if (!GetSignalUnitRack()->GetEndpointUnit()->Active()) break;                  if (!pSignalUnitRack->GetEndpointUnit()->Active()) break;
504              }              }
505    
506              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;
507    
508              if (GetSignalUnitRack() == NULL) {              if (pSignalUnitRack == NULL) {
509                  // increment envelopes' positions                  // increment envelopes' positions
510                  if (pEG1->active()) {                  if (pEG1->active()) {
511    
# Line 522  namespace LinuxSampler { Line 530  namespace LinuxSampler {
530                      }*/                      }*/
531                  // TODO: ^^^                  // TODO: ^^^
532                                    
533                  GetSignalUnitRack()->Increment();                  pSignalUnitRack->Increment();
534              }              }
535    
536              Pos = newPos;              Pos = newPos;
# Line 554  namespace LinuxSampler { Line 562  namespace LinuxSampler {
562                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {
563                      processResonanceEvent(itEvent);                      processResonanceEvent(itEvent);
564                  }                  }
565                  if (GetSignalUnitRack() == NULL) {                  if (pSignalUnitRack == NULL) {
566                      if (itEvent->Param.CC.Controller == pLFO1->ExtController) {                      if (itEvent->Param.CC.Controller == pLFO1->ExtController) {
567                          pLFO1->update(itEvent->Param.CC.Value);                          pLFO1->update(itEvent->Param.CC.Value);
568                      }                      }
# Line 568  namespace LinuxSampler { Line 576  namespace LinuxSampler {
576                  if (itEvent->Param.CC.Controller == 7) { // volume                  if (itEvent->Param.CC.Controller == 7) { // volume
577                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);
578                  } else if (itEvent->Param.CC.Controller == 10) { // panpot                  } else if (itEvent->Param.CC.Controller == 10) { // panpot
579                      PanLeftSmoother.update(AbstractEngine::PanCurve[128 - itEvent->Param.CC.Value]);                      MIDIPan = itEvent->Param.CC.Value;
                     PanRightSmoother.update(AbstractEngine::PanCurve[itEvent->Param.CC.Value]);  
580                  }                  }
581              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
582                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
583              }              }
584    
585              ProcessCCEvent(itEvent);              ProcessCCEvent(itEvent);
586              if (GetSignalUnitRack() != NULL) {              if (pSignalUnitRack != NULL) {
587                  GetSignalUnitRack()->ProcessCCEvent(itEvent);                  pSignalUnitRack->ProcessCCEvent(itEvent);
588              }              }
589          }          }
590      }      }
# Line 610  namespace LinuxSampler { Line 617  namespace LinuxSampler {
617                  if (itEvent->Type == Event::type_release) {                  if (itEvent->Type == Event::type_release) {
618                      EnterReleaseStage();                      EnterReleaseStage();
619                  } else if (itEvent->Type == Event::type_cancel_release) {                  } else if (itEvent->Type == Event::type_cancel_release) {
620                      if (GetSignalUnitRack() == NULL) {                      if (pSignalUnitRack == NULL) {
621                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
622                          pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
623                      } else {                      } else {
624                          GetSignalUnitRack()->CancelRelease();                          pSignalUnitRack->CancelRelease();
625                      }                      }
626                  }                  }
627              }              }
# Line 642  namespace LinuxSampler { Line 649  namespace LinuxSampler {
649       * @param itNoteOffEvent - event which causes this voice to die soon       * @param itNoteOffEvent - event which causes this voice to die soon
650       */       */
651      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {
652          if (GetSignalUnitRack() == NULL) {          if (pSignalUnitRack == NULL) {
653              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());
654              pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;              pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;
655          } else {          } else {
# Line 709  namespace LinuxSampler { Line 716  namespace LinuxSampler {
716      }      }
717    
718      void AbstractVoice::EnterReleaseStage() {      void AbstractVoice::EnterReleaseStage() {
719          if (GetSignalUnitRack() == NULL) {          if (pSignalUnitRack == NULL) {
720              pEG1->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              pEG1->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
721              pEG2->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              pEG2->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
722          } else {          } else {
723              GetSignalUnitRack()->EnterReleaseStage();              pSignalUnitRack->EnterReleaseStage();
724          }          }
725      }      }
726    
727      bool AbstractVoice::EG1Finished() {      bool AbstractVoice::EG1Finished() {
728          if (GetSignalUnitRack() == NULL) {          if (pSignalUnitRack == NULL) {
729              return pEG1->getSegmentType() == EG::segment_end;              return pEG1->getSegmentType() == EG::segment_end;
730          } else {          } else {
731              return !GetSignalUnitRack()->GetEndpointUnit()->Active();              return !pSignalUnitRack->GetEndpointUnit()->Active();
732          }          }
733      }      }
734    
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