/[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 2322 by iliev, Sun Feb 26 09:09:19 2012 UTC revision 2879 by schoenebeck, Tue Apr 19 14:07:53 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) 2009-2011 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;  
         MIDIPan         = pEngineChannel->ControllerTable[10];  
         if (MIDIPan == 0 && pEngineChannel->GlobalPanRight == 1) MIDIPan = 64; // workaround used to determine whether the MIDI pan has not been set  
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 126  namespace LinuxSampler { Line 123  namespace LinuxSampler {
123          RgnInfo    = GetRegionInfo();          RgnInfo    = GetRegionInfo();
124          InstrInfo  = GetInstrumentInfo();          InstrInfo  = GetInstrumentInfo();
125                    
126            MIDIPan    = CalculatePan(pEngineChannel->iLastPanRequest);
127    
128          AboutToTrigger();          AboutToTrigger();
129    
130          // calculate volume          // calculate volume
# Line 141  namespace LinuxSampler { Line 140  namespace LinuxSampler {
140          // get starting crossfade volume level          // get starting crossfade volume level
141          float crossfadeVolume = CalculateCrossfadeVolume(itNoteOnEvent->Param.Note.Velocity);          float crossfadeVolume = CalculateCrossfadeVolume(itNoteOnEvent->Param.Note.Velocity);
142    
143          VolumeLeft  = volume * pKeyInfo->PanLeft  * AbstractEngine::PanCurve[64 - RgnInfo.Pan];          VolumeLeft  = volume * pKeyInfo->PanLeft;
144          VolumeRight = volume * pKeyInfo->PanRight * AbstractEngine::PanCurve[64 + RgnInfo.Pan];          VolumeRight = volume * pKeyInfo->PanRight;
145    
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);
         PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);  
         PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);  
149    
150          // 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
151          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;
# Line 172  namespace LinuxSampler { Line 169  namespace LinuxSampler {
169              RAMLoop = (SmplInfo.HasLoops && (SmplInfo.LoopStart + SmplInfo.LoopLength) <= MaxRAMPos);              RAMLoop = (SmplInfo.HasLoops && (SmplInfo.LoopStart + SmplInfo.LoopLength) <= MaxRAMPos);
170    
171              if (OrderNewStream()) return -1;              if (OrderNewStream()) return -1;
172              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"));
173          }          }
174          else { // RAM only voice          else { // RAM only voice
175              MaxRAMPos = cachedsamples;              MaxRAMPos = cachedsamples;
# Line 204  namespace LinuxSampler { Line 201  namespace LinuxSampler {
201              pSignalUnitRack->Trigger();              pSignalUnitRack->Trigger();
202          }          }
203    
204            uint8_t pan = MIDIPan;
205            if (pSignalUnitRack) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);
206            PanLeftSmoother.trigger(AbstractEngine::PanCurve[128 - pan], subfragmentRate);
207            PanRightSmoother.trigger(AbstractEngine::PanCurve[pan], subfragmentRate);
208    
209  #ifdef CONFIG_INTERPOLATE_VOLUME  #ifdef CONFIG_INTERPOLATE_VOLUME
210          // setup initial volume in synthesis parameters          // setup initial volume in synthesis parameters
211      #ifdef CONFIG_PROCESS_MUTED_CHANNELS      #ifdef CONFIG_PROCESS_MUTED_CHANNELS
# Line 221  namespace LinuxSampler { Line 223  namespace LinuxSampler {
223                  finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pSignalUnitRack->GetEndpointUnit()->GetVolume();                  finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pSignalUnitRack->GetEndpointUnit()->GetVolume();
224              }              }
225    
226              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * PanLeftSmoother.render();
227              finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight;              finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * PanRightSmoother.render();
228          }          }
229      #endif      #endif
230  #endif  #endif
# Line 245  namespace LinuxSampler { Line 247  namespace LinuxSampler {
247                  // 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
248                  bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;                  bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;
249                  float eg3depth = (bPortamento)                  float eg3depth = (bPortamento)
250                               ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)                               ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey()) * 100)
251                               : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);                               : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);
252                  float eg3time = (bPortamento)                  float eg3time = (bPortamento)
253                              ? pEngineChannel->PortamentoTime                              ? pEngineChannel->PortamentoTime
# Line 350  namespace LinuxSampler { Line 352  namespace LinuxSampler {
352          }          }
353                    
354          AbstractEngineChannel* pChannel = pEngineChannel;          AbstractEngineChannel* pChannel = pEngineChannel;
355          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey());
356    
357          const bool bVoiceRequiresDedicatedRouting =          const bool bVoiceRequiresDedicatedRouting =
358              pEngineChannel->GetFxSendCount() > 0 &&              pEngineChannel->GetFxSendCount() > 0 &&
# Line 376  namespace LinuxSampler { Line 378  namespace LinuxSampler {
378    
379          RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first();          RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first();
380          RTList<Event>::Iterator itNoteEvent;          RTList<Event>::Iterator itNoteEvent;
381          GetFirstEventOnKey(MIDIKey, itNoteEvent);          GetFirstEventOnKey(HostKey(), itNoteEvent);
382    
383          RTList<Event>::Iterator itGroupEvent;          RTList<Event>::Iterator itGroupEvent;
384          if (pGroupEvents) itGroupEvent = pGroupEvents->first();          if (pGroupEvents && !Orphan) itGroupEvent = pGroupEvents->first();
385    
386          if (itTriggerEvent) { // skip events that happened before this voice was triggered          if (itTriggerEvent) { // skip events that happened before this voice was triggered
387              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;
# Line 408  namespace LinuxSampler { Line 410  namespace LinuxSampler {
410                  if (pSignalUnitRack == NULL) {                  if (pSignalUnitRack == NULL) {
411                      pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
412                  } else {                  } else {
413                      // TODO:                      pSignalUnitRack->EnterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
414                  }                  }
415                  itKillEvent = Pool<Event>::Iterator();                  itKillEvent = Pool<Event>::Iterator();
416              } else {              } else {
# Line 424  namespace LinuxSampler { Line 426  namespace LinuxSampler {
426              fFinalCutoff    = VCFCutoffCtrl.fvalue;              fFinalCutoff    = VCFCutoffCtrl.fvalue;
427              fFinalResonance = VCFResonanceCtrl.fvalue;              fFinalResonance = VCFResonanceCtrl.fvalue;
428    
429              // process MIDI control change and pitchbend events for this subfragment              // process MIDI control change, aftertouch and pitchbend events for this subfragment
430              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
431              uint8_t pan = MIDIPan;              uint8_t pan = MIDIPan;
432              if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CaluclatePan(pan);              if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);
433                            
434              PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]);              PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]);
435              PanRightSmoother.update(AbstractEngine::PanCurve[pan]);              PanRightSmoother.update(AbstractEngine::PanCurve[pan]);
# Line 485  namespace LinuxSampler { Line 487  namespace LinuxSampler {
487    
488                  // process low frequency oscillators                  // process low frequency oscillators
489                  if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());                  if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());
490                  if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();                  if (bLFO2Enabled) fFinalCutoff *= (1.0f - pLFO2->render());
491                  if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());                  if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());
492              } else {              } else {
493                  // 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 608  namespace LinuxSampler { Line 610  namespace LinuxSampler {
610      }      }
611    
612      /**      /**
613       * Process given list of MIDI control change and pitch bend events for       * Process given list of MIDI control change, aftertouch and pitch bend
614       * the given time.       * events for the given time.
615       *       *
616       * @param itEvent - iterator pointing to the next event to be processed       * @param itEvent - iterator pointing to the next event to be processed
617       * @param End     - youngest time stamp where processing should be stopped       * @param End     - youngest time stamp where processing should be stopped
# Line 637  namespace LinuxSampler { Line 639  namespace LinuxSampler {
639                  if (itEvent->Param.CC.Controller == 7) { // volume                  if (itEvent->Param.CC.Controller == 7) { // volume
640                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);
641                  } else if (itEvent->Param.CC.Controller == 10) { // panpot                  } else if (itEvent->Param.CC.Controller == 10) { // panpot
642                      MIDIPan = itEvent->Param.CC.Value;                      MIDIPan = CalculatePan(itEvent->Param.CC.Value);
643                  }                  }
644              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
645                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
646                } else if (itEvent->Type == Event::type_channel_pressure) {
647                    ProcessChannelPressureEvent(itEvent);
648                } else if (itEvent->Type == Event::type_note_pressure) {
649                    ProcessPolyphonicKeyPressureEvent(itEvent);
650              }              }
651    
652              ProcessCCEvent(itEvent);              ProcessCCEvent(itEvent);
# Line 712  namespace LinuxSampler { Line 718  namespace LinuxSampler {
718      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {
719          if (pSignalUnitRack == NULL) {          if (pSignalUnitRack == NULL) {
720              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());
721              pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;              pEngineChannel->PortamentoPos = (float) MIDIKey() + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;
722          } else {          } else {
723              // TODO:              // TODO:
724          }          }
# Line 739  namespace LinuxSampler { Line 745  namespace LinuxSampler {
745    
746      Voice::PitchInfo AbstractVoice::CalculatePitchInfo(int PitchBend) {      Voice::PitchInfo AbstractVoice::CalculatePitchInfo(int PitchBend) {
747          PitchInfo pitch;          PitchInfo pitch;
748          double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey % 12];          double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey() % 12];
749    
750          // GSt behaviour: maximum transpose up is 40 semitones. If          // GSt behaviour: maximum transpose up is 40 semitones. If
751          // MIDI key is more than 40 semitones above unity note,          // MIDI key is more than 40 semitones above unity note,
752          // the transpose is not done.          // the transpose is not done.
753          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;
754    
755          pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate));          pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate));
756          pitch.PitchBendRange = 1.0 / 8192.0 * 100.0 * InstrInfo.PitchbendRange;          pitch.PitchBendRange = 1.0 / 8192.0 * 100.0 * InstrInfo.PitchbendRange;
# Line 752  namespace LinuxSampler { Line 758  namespace LinuxSampler {
758    
759          return pitch;          return pitch;
760      }      }
761        
762        void AbstractVoice::onScaleTuningChanged() {
763            PitchInfo pitch = this->Pitch;
764            double pitchbasecents = InstrInfo.FineTune + RgnInfo.FineTune + GetEngine()->ScaleTuning[MIDIKey() % 12];
765            
766            // GSt behaviour: maximum transpose up is 40 semitones. If
767            // MIDI key is more than 40 semitones above unity note,
768            // the transpose is not done.
769            if (!SmplInfo.Unpitched && (MIDIKey() - (int) RgnInfo.UnityNote) < 40) pitchbasecents += (MIDIKey() - (int) RgnInfo.UnityNote) * 100;
770            
771            pitch.PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(SmplInfo.SampleRate) / double(GetEngine()->SampleRate));
772            this->Pitch = pitch;
773        }
774    
775      double AbstractVoice::CalculateVolume(double velocityAttenuation) {      double AbstractVoice::CalculateVolume(double velocityAttenuation) {
776          // For 16 bit samples, we downscale by 32768 to convert from          // For 16 bit samples, we downscale by 32768 to convert from
# Line 764  namespace LinuxSampler { Line 783  namespace LinuxSampler {
783          // the volume of release triggered samples depends on note length          // the volume of release triggered samples depends on note length
784          if (Type & Voice::type_release_trigger) {          if (Type & Voice::type_release_trigger) {
785              float noteLength = float(GetEngine()->FrameTime + Delay -              float noteLength = float(GetEngine()->FrameTime + Delay -
786                  GetNoteOnTime(MIDIKey) ) / GetEngine()->SampleRate;                  GetNoteOnTime(MIDIKey()) ) / GetEngine()->SampleRate;
787    
788              volume *= GetReleaseTriggerAttenuation(noteLength);              volume *= GetReleaseTriggerAttenuation(noteLength);
789          }          }
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