/[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 2175 by persson, Mon Apr 25 08:12:36 2011 UTC revision 2382 by persson, Sun Dec 2 16:30:42 2012 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) 2009-2012 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 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 43  namespace LinuxSampler { Line 43  namespace LinuxSampler {
43    
44          finalSynthesisParameters.filterLeft.Reset();          finalSynthesisParameters.filterLeft.Reset();
45          finalSynthesisParameters.filterRight.Reset();          finalSynthesisParameters.filterRight.Reset();
46            
47            pEq          = NULL;
48            bEqSupport   = false;
49      }      }
50    
51      AbstractVoice::~AbstractVoice() {      AbstractVoice::~AbstractVoice() {
52          if (pLFO1) delete pLFO1;          if (pLFO1) delete pLFO1;
53          if (pLFO2) delete pLFO2;          if (pLFO2) delete pLFO2;
54          if (pLFO3) delete pLFO3;          if (pLFO3) delete pLFO3;
55            
56            if(pEq != NULL) delete pEq;
57        }
58                
59        void AbstractVoice::CreateEq() {
60            if(!bEqSupport) return;
61            if(pEq != NULL) delete pEq;
62            pEq = new EqSupport;
63            pEq->InitEffect(GetEngine()->pAudioOutputDevice);
64      }      }
65    
66      /**      /**
# Line 99  namespace LinuxSampler { Line 111  namespace LinuxSampler {
111    
112          Type            = VoiceType;          Type            = VoiceType;
113          MIDIKey         = itNoteOnEvent->Param.Note.Key;          MIDIKey         = itNoteOnEvent->Param.Note.Key;
114            MIDIVelocity    = itNoteOnEvent->Param.Note.Velocity;
115          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
116          Delay           = itNoteOnEvent->FragmentPos();          Delay           = itNoteOnEvent->FragmentPos();
117          itTriggerEvent  = itNoteOnEvent;          itTriggerEvent  = itNoteOnEvent;
# Line 110  namespace LinuxSampler { Line 123  namespace LinuxSampler {
123          SmplInfo   = GetSampleInfo();          SmplInfo   = GetSampleInfo();
124          RgnInfo    = GetRegionInfo();          RgnInfo    = GetRegionInfo();
125          InstrInfo  = GetInstrumentInfo();          InstrInfo  = GetInstrumentInfo();
126            
127            MIDIPan    = CalculatePan(pEngineChannel->iLastPanRequest);
128    
129            AboutToTrigger();
130    
131          // calculate volume          // calculate volume
132          const double velocityAttenuation = GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);          const double velocityAttenuation = GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);
# Line 124  namespace LinuxSampler { Line 141  namespace LinuxSampler {
141          // get starting crossfade volume level          // get starting crossfade volume level
142          float crossfadeVolume = CalculateCrossfadeVolume(itNoteOnEvent->Param.Note.Velocity);          float crossfadeVolume = CalculateCrossfadeVolume(itNoteOnEvent->Param.Note.Velocity);
143    
144          VolumeLeft  = volume * pKeyInfo->PanLeft  * AbstractEngine::PanCurve[64 - RgnInfo.Pan];          VolumeLeft  = volume * pKeyInfo->PanLeft;
145          VolumeRight = volume * pKeyInfo->PanRight * AbstractEngine::PanCurve[64 + RgnInfo.Pan];          VolumeRight = volume * pKeyInfo->PanRight;
146    
147          float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;          float subfragmentRate = GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
148          CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);          CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);
149          VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);          VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);
         PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);  
         PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);  
   
         finalSynthesisParameters.dPos = RgnInfo.SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)  
         Pos = RgnInfo.SampleStartOffset;  
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;
153          DiskVoice          = cachedsamples < SmplInfo.TotalFrameCount;          DiskVoice          = cachedsamples < SmplInfo.TotalFrameCount;
154    
155            SetSampleStartOffset();
156    
157          if (DiskVoice) { // voice to be streamed from disk          if (DiskVoice) { // voice to be streamed from disk
158              if (cachedsamples > (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {              if (cachedsamples > (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {
159                  MaxRAMPos = cachedsamples - (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / SmplInfo.ChannelCount; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK)                  MaxRAMPos = cachedsamples - (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / SmplInfo.ChannelCount; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK)
# Line 176  namespace LinuxSampler { Line 190  namespace LinuxSampler {
190          // 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
191          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
192    
193          // setup EG 1 (VCA EG)          if (pSignalUnitRack == NULL) { // setup EG 1 (VCA EG)
         {  
194              // get current value of EG1 controller              // get current value of EG1 controller
195              double eg1controllervalue = GetEG1ControllerValue(itNoteOnEvent->Param.Note.Velocity);              double eg1controllervalue = GetEG1ControllerValue(itNoteOnEvent->Param.Note.Velocity);
196    
# Line 185  namespace LinuxSampler { Line 198  namespace LinuxSampler {
198              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);
199    
200              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
201            } else {
202                pSignalUnitRack->Trigger();
203          }          }
204    
205            uint8_t pan = MIDIPan;
206            if (pSignalUnitRack) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);
207            PanLeftSmoother.trigger(AbstractEngine::PanCurve[128 - pan], subfragmentRate);
208            PanRightSmoother.trigger(AbstractEngine::PanCurve[pan], subfragmentRate);
209    
210  #ifdef CONFIG_INTERPOLATE_VOLUME  #ifdef CONFIG_INTERPOLATE_VOLUME
211          // setup initial volume in synthesis parameters          // setup initial volume in synthesis parameters
212      #ifdef CONFIG_PROCESS_MUTED_CHANNELS      #ifdef CONFIG_PROCESS_MUTED_CHANNELS
# Line 197  namespace LinuxSampler { Line 217  namespace LinuxSampler {
217          else          else
218      #else      #else
219          {          {
220              float finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pEG1->getLevel();              float finalVolume;
221                if (pSignalUnitRack == NULL) {
222                    finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pEG1->getLevel();
223                } else {
224                    finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pSignalUnitRack->GetEndpointUnit()->GetVolume();
225                }
226    
227              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * PanLeftSmoother.render();
228              finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight;              finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * PanRightSmoother.render();
229          }          }
230      #endif      #endif
231  #endif  #endif
232    
233          // setup EG 2 (VCF Cutoff EG)          if (pSignalUnitRack == NULL) {
234          {              // setup EG 2 (VCF Cutoff EG)
235              // get current value of EG2 controller              {
236              double eg2controllervalue = GetEG2ControllerValue(itNoteOnEvent->Param.Note.Velocity);                  // get current value of EG2 controller
237                    double eg2controllervalue = GetEG2ControllerValue(itNoteOnEvent->Param.Note.Velocity);
238    
239                    // calculate influence of EG2 controller on EG2's parameters
240                    EGInfo egInfo = CalculateEG2ControllerInfluence(eg2controllervalue);
241    
242                    TriggerEG2(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
243                }
244    
             // calculate influence of EG2 controller on EG2's parameters  
             EGInfo egInfo = CalculateEG2ControllerInfluence(eg2controllervalue);  
245    
246              TriggerEG2(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);              // setup EG 3 (VCO EG)
247          }              {
248                    // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch
249                    bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;
250                    float eg3depth = (bPortamento)
251                                 ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)
252                                 : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);
253                    float eg3time = (bPortamento)
254                                ? pEngineChannel->PortamentoTime
255                                : RgnInfo.EG3Attack;
256                    EG3.trigger(eg3depth, eg3time, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
257                    dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time));
258                }
259    
260    
261          // setup EG 3 (VCO EG)              // setup LFO 1 (VCA LFO)
262          {              InitLFO1();
263              // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch              // setup LFO 2 (VCF Cutoff LFO)
264              bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;              InitLFO2();
265              float eg3depth = (bPortamento)              // setup LFO 3 (VCO LFO)
266                           ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)              InitLFO3();
                          : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);  
             float eg3time = (bPortamento)  
                         ? pEngineChannel->PortamentoTime  
                         : RgnInfo.EG3Attack;  
             EG3.trigger(eg3depth, eg3time, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time));  
267          }          }
268    
269    
         // setup LFO 1 (VCA LFO)  
         InitLFO1();  
         // setup LFO 2 (VCF Cutoff LFO)  
         InitLFO2();  
         // setup LFO 3 (VCO LFO)  
         InitLFO3();  
   
   
270          #if CONFIG_FORCE_FILTER          #if CONFIG_FORCE_FILTER
271          const bool bUseFilter = true;          const bool bUseFilter = true;
272          #else // use filter only if instrument file told so          #else // use filter only if instrument file told so
# Line 282  namespace LinuxSampler { Line 309  namespace LinuxSampler {
309              VCFCutoffCtrl.controller    = 0;              VCFCutoffCtrl.controller    = 0;
310              VCFResonanceCtrl.controller = 0;              VCFResonanceCtrl.controller = 0;
311          }          }
312            
313            const bool bEq =
314                pSignalUnitRack != NULL && pSignalUnitRack->HasEq() && pEq->HasSupport();
315    
316            if (bEq) {
317                pEq->GetInChannelLeft()->Clear();
318                pEq->GetInChannelRight()->Clear();
319                pEq->RenderAudio(GetEngine()->pAudioOutputDevice->MaxSamplesPerCycle());
320            }
321    
322          return 0; // success          return 0; // success
323      }      }
324        
325        void AbstractVoice::SetSampleStartOffset() {
326            finalSynthesisParameters.dPos = RgnInfo.SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)
327            Pos = RgnInfo.SampleStartOffset;
328        }
329    
330      /**      /**
331       *  Synthesizes the current audio fragment for this voice.       *  Synthesizes the current audio fragment for this voice.
# Line 295  namespace LinuxSampler { Line 336  namespace LinuxSampler {
336       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
337       */       */
338      void AbstractVoice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {      void AbstractVoice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
339            bool delay = false; // Whether the voice playback should be delayed for this call
340            
341            if (pSignalUnitRack != NULL) {
342                uint delaySteps = pSignalUnitRack->GetEndpointUnit()->DelayTrigger();
343                if (delaySteps > 0) { // delay on the endpoint unit means delay of the voice playback
344                    if (delaySteps >= Samples) {
345                        pSignalUnitRack->GetEndpointUnit()->DecreaseDelay(Samples);
346                        delay = true;
347                    } else {
348                        pSignalUnitRack->GetEndpointUnit()->DecreaseDelay(delaySteps);
349                        Samples -= delaySteps;
350                        Skip += delaySteps;
351                    }
352                }
353            }
354            
355          AbstractEngineChannel* pChannel = pEngineChannel;          AbstractEngineChannel* pChannel = pEngineChannel;
356          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);
357    
358          const bool bVoiceRequiresDedicatedRouting =          const bool bVoiceRequiresDedicatedRouting =
359              pEngineChannel->GetFxSendCount() > 0 &&              pEngineChannel->GetFxSendCount() > 0 &&
360              (pMidiKeyInfo->ReverbSend || pMidiKeyInfo->ChorusSend);              (pMidiKeyInfo->ReverbSend || pMidiKeyInfo->ChorusSend);
361            
362          if (bVoiceRequiresDedicatedRouting) {          const bool bEq =
363                pSignalUnitRack != NULL && pSignalUnitRack->HasEq() && pEq->HasSupport();
364    
365            if (bEq) {
366                pEq->GetInChannelLeft()->Clear();
367                pEq->GetInChannelRight()->Clear();
368                finalSynthesisParameters.pOutLeft  = &pEq->GetInChannelLeft()->Buffer()[Skip];
369                finalSynthesisParameters.pOutRight = &pEq->GetInChannelRight()->Buffer()[Skip];
370                pSignalUnitRack->UpdateEqSettings(pEq);
371            } else if (bVoiceRequiresDedicatedRouting) {
372              finalSynthesisParameters.pOutLeft  = &GetEngine()->pDedicatedVoiceChannelLeft->Buffer()[Skip];              finalSynthesisParameters.pOutLeft  = &GetEngine()->pDedicatedVoiceChannelLeft->Buffer()[Skip];
373              finalSynthesisParameters.pOutRight = &GetEngine()->pDedicatedVoiceChannelRight->Buffer()[Skip];              finalSynthesisParameters.pOutRight = &GetEngine()->pDedicatedVoiceChannelRight->Buffer()[Skip];
374          } else {          } else {
# Line 316  namespace LinuxSampler { Line 382  namespace LinuxSampler {
382          GetFirstEventOnKey(MIDIKey, itNoteEvent);          GetFirstEventOnKey(MIDIKey, itNoteEvent);
383    
384          RTList<Event>::Iterator itGroupEvent;          RTList<Event>::Iterator itGroupEvent;
385          if (pGroupEvents) itGroupEvent = pGroupEvents->first();          if (pGroupEvents && !Orphan) itGroupEvent = pGroupEvents->first();
386    
387          if (itTriggerEvent) { // skip events that happened before this voice was triggered          if (itTriggerEvent) { // skip events that happened before this voice was triggered
388              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;
# Line 342  namespace LinuxSampler { Line 408  namespace LinuxSampler {
408                  // drivers that use Samples < MaxSamplesPerCycle).                  // drivers that use Samples < MaxSamplesPerCycle).
409                  // End the EG1 here, at pos 0, with a shorter max fade                  // End the EG1 here, at pos 0, with a shorter max fade
410                  // out time.                  // out time.
411                  pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  if (pSignalUnitRack == NULL) {
412                        pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
413                    } else {
414                        pSignalUnitRack->EnterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
415                    }
416                  itKillEvent = Pool<Event>::Iterator();                  itKillEvent = Pool<Event>::Iterator();
417              } else {              } else {
418                  killPos = RTMath::Min(itKillEvent->FragmentPos(), maxFadeOutPos);                  killPos = RTMath::Min(itKillEvent->FragmentPos(), maxFadeOutPos);
# Line 359  namespace LinuxSampler { Line 429  namespace LinuxSampler {
429    
430              // process MIDI control change and pitchbend events for this subfragment              // process MIDI control change and pitchbend events for this subfragment
431              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
432                uint8_t pan = MIDIPan;
433                if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CalculatePan(MIDIPan);
434                
435                PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]);
436                PanRightSmoother.update(AbstractEngine::PanCurve[pan]);
437    
438              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;
439              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();
# Line 369  namespace LinuxSampler { Line 444  namespace LinuxSampler {
444              // process transition events (note on, note off & sustain pedal)              // process transition events (note on, note off & sustain pedal)
445              processTransitionEvents(itNoteEvent, iSubFragmentEnd);              processTransitionEvents(itNoteEvent, iSubFragmentEnd);
446              processGroupEvents(itGroupEvent, iSubFragmentEnd);              processGroupEvents(itGroupEvent, iSubFragmentEnd);
447                
448                if (pSignalUnitRack == NULL) {
449                    // if the voice was killed in this subfragment, or if the
450                    // filter EG is finished, switch EG1 to fade out stage
451                    if ((itKillEvent && killPos <= iSubFragmentEnd) ||
452                        (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&
453                        pEG2->getSegmentType() == EG::segment_end)) {
454                        pEG1->enterFadeOutStage();
455                        itKillEvent = Pool<Event>::Iterator();
456                    }
457    
458              // if the voice was killed in this subfragment, or if the                  // process envelope generators
459              // filter EG is finished, switch EG1 to fade out stage                  switch (pEG1->getSegmentType()) {
460              if ((itKillEvent && killPos <= iSubFragmentEnd) ||                      case EG::segment_lin:
461                  (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&                          fFinalVolume *= pEG1->processLin();
462                   pEG2->getSegmentType() == EG::segment_end)) {                          break;
463                  pEG1->enterFadeOutStage();                      case EG::segment_exp:
464                  itKillEvent = Pool<Event>::Iterator();                          fFinalVolume *= pEG1->processExp();
465              }                          break;
466                        case EG::segment_end:
467                            fFinalVolume *= pEG1->getLevel();
468                            break; // noop
469                        case EG::segment_pow:
470                            fFinalVolume *= pEG1->processPow();
471                            break;
472                    }
473                    switch (pEG2->getSegmentType()) {
474                        case EG::segment_lin:
475                            fFinalCutoff *= pEG2->processLin();
476                            break;
477                        case EG::segment_exp:
478                            fFinalCutoff *= pEG2->processExp();
479                            break;
480                        case EG::segment_end:
481                            fFinalCutoff *= pEG2->getLevel();
482                            break; // noop
483                        case EG::segment_pow:
484                            fFinalCutoff *= pEG2->processPow();
485                            break;
486                    }
487                    if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();
488    
489              // process envelope generators                  // process low frequency oscillators
490              switch (pEG1->getSegmentType()) {                  if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());
491                  case EG::segment_lin:                  if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();
492                      fFinalVolume *= pEG1->processLin();                  if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());
493                      break;              } else {
494                  case EG::segment_exp:                  // if the voice was killed in this subfragment, enter fade out stage
495                      fFinalVolume *= pEG1->processExp();                  if (itKillEvent && killPos <= iSubFragmentEnd) {
496                      break;                      pSignalUnitRack->EnterFadeOutStage();
497                  case EG::segment_end:                      itKillEvent = Pool<Event>::Iterator();
498                      fFinalVolume *= pEG1->getLevel();                  }
499                      break; // noop                  
500                  case EG::segment_pow:                  // if the filter EG is finished, switch EG1 to fade out stage
501                      fFinalVolume *= pEG1->processPow();                  /*if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&
502                      break;                      pEG2->getSegmentType() == EG::segment_end) {
503              }                      pEG1->enterFadeOutStage();
504              switch (pEG2->getSegmentType()) {                      itKillEvent = Pool<Event>::Iterator();
505                  case EG::segment_lin:                  }*/
506                      fFinalCutoff *= pEG2->processLin();                  // TODO: ^^^
507                      break;  
508                  case EG::segment_exp:                  fFinalVolume   *= pSignalUnitRack->GetEndpointUnit()->GetVolume();
509                      fFinalCutoff *= pEG2->processExp();                  fFinalCutoff    = pSignalUnitRack->GetEndpointUnit()->CalculateFilterCutoff(fFinalCutoff);
510                      break;                  fFinalResonance = pSignalUnitRack->GetEndpointUnit()->CalculateResonance(fFinalResonance);
511                  case EG::segment_end:                  
512                      fFinalCutoff *= pEG2->getLevel();                  finalSynthesisParameters.fFinalPitch =
513                      break; // noop                      pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);
514                  case EG::segment_pow:                      
                     fFinalCutoff *= pEG2->processPow();  
                     break;  
515              }              }
516              if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();              
   
             // process low frequency oscillators  
             if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());  
             if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();  
             if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());  
   
517              // limit the pitch so we don't read outside the buffer              // limit the pitch so we don't read outside the buffer
518              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));
519    
# Line 447  namespace LinuxSampler { Line 546  namespace LinuxSampler {
546                  fFinalVolume * VolumeRight * PanRightSmoother.render();                  fFinalVolume * VolumeRight * PanRightSmoother.render();
547  #endif  #endif
548              // render audio for one subfragment              // render audio for one subfragment
549              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);              if (!delay) RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);
550    
551              // stop the rendering if volume EG is finished              if (pSignalUnitRack == NULL) {
552              if (pEG1->getSegmentType() == EG::segment_end) break;                  // stop the rendering if volume EG is finished
553                    if (pEG1->getSegmentType() == EG::segment_end) break;
554                } else {
555                    // stop the rendering if the endpoint unit is not active
556                    if (!pSignalUnitRack->GetEndpointUnit()->Active()) break;
557                }
558    
559              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;
560    
561              // increment envelopes' positions              if (pSignalUnitRack == NULL) {
562              if (pEG1->active()) {                  // increment envelopes' positions
563                    if (pEG1->active()) {
564    
565                        // if sample has a loop and loop start has been reached in this subfragment, send a special event to EG1 to let it finish the attack hold stage
566                        if (SmplInfo.HasLoops && Pos <= SmplInfo.LoopStart && SmplInfo.LoopStart < newPos) {
567                            pEG1->update(EG::event_hold_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
568                        }
569    
570                  // if sample has a loop and loop start has been reached in this subfragment, send a special event to EG1 to let it finish the attack hold stage                      pEG1->increment(1);
571                  if (SmplInfo.HasLoops && Pos <= SmplInfo.LoopStart && SmplInfo.LoopStart < newPos) {                      if (!pEG1->toStageEndLeft()) pEG1->update(EG::event_stage_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                     pEG1->update(EG::event_hold_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
572                  }                  }
573                    if (pEG2->active()) {
574                  pEG1->increment(1);                      pEG2->increment(1);
575                  if (!pEG1->toStageEndLeft()) pEG1->update(EG::event_stage_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      if (!pEG2->toStageEndLeft()) pEG2->update(EG::event_stage_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
576              }                  }
577              if (pEG2->active()) {                  EG3.increment(1);
578                  pEG2->increment(1);                  if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached
579                  if (!pEG2->toStageEndLeft()) pEG2->update(EG::event_stage_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              } else {
580                        // if sample has a loop and loop start has been reached in this subfragment, send a special event to EG1 to let it finish the attack hold stage
581                        /*if (SmplInfo.HasLoops && Pos <= SmplInfo.LoopStart && SmplInfo.LoopStart < newPos) {
582                            pEG1->update(EG::event_hold_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
583                        }*/
584                    // TODO: ^^^
585                    
586                    if (!delay) pSignalUnitRack->Increment();
587              }              }
             EG3.increment(1);  
             if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached  
588    
589              Pos = newPos;              Pos = newPos;
590              i = iSubFragmentEnd;              i = iSubFragmentEnd;
591          }          }
592            
593            if (delay) return;
594    
595          if (bVoiceRequiresDedicatedRouting) {          if (bVoiceRequiresDedicatedRouting) {
596                if (bEq) {
597                    pEq->RenderAudio(Samples);
598                    pEq->GetOutChannelLeft()->CopyTo(GetEngine()->pDedicatedVoiceChannelLeft, Samples);
599                    pEq->GetOutChannelRight()->CopyTo(GetEngine()->pDedicatedVoiceChannelRight, Samples);
600                }
601              optional<float> effectSendLevels[2] = {              optional<float> effectSendLevels[2] = {
602                  pMidiKeyInfo->ReverbSend,                  pMidiKeyInfo->ReverbSend,
603                  pMidiKeyInfo->ChorusSend                  pMidiKeyInfo->ChorusSend
604              };              };
605              GetEngine()->RouteDedicatedVoiceChannels(pEngineChannel, effectSendLevels, Samples);              GetEngine()->RouteDedicatedVoiceChannels(pEngineChannel, effectSendLevels, Samples);
606            } else if (bEq) {
607                pEq->RenderAudio(Samples);
608                pEq->GetOutChannelLeft()->MixTo(pChannel->pChannelLeft, Samples);
609                pEq->GetOutChannelRight()->MixTo(pChannel->pChannelRight, Samples);
610          }          }
611      }      }
612    
# Line 501  namespace LinuxSampler { Line 626  namespace LinuxSampler {
626                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {
627                      processResonanceEvent(itEvent);                      processResonanceEvent(itEvent);
628                  }                  }
629                  if (itEvent->Param.CC.Controller == pLFO1->ExtController) {                  if (pSignalUnitRack == NULL) {
630                      pLFO1->update(itEvent->Param.CC.Value);                      if (itEvent->Param.CC.Controller == pLFO1->ExtController) {
631                  }                          pLFO1->update(itEvent->Param.CC.Value);
632                  if (itEvent->Param.CC.Controller == pLFO2->ExtController) {                      }
633                      pLFO2->update(itEvent->Param.CC.Value);                      if (itEvent->Param.CC.Controller == pLFO2->ExtController) {
634                  }                          pLFO2->update(itEvent->Param.CC.Value);
635                  if (itEvent->Param.CC.Controller == pLFO3->ExtController) {                      }
636                      pLFO3->update(itEvent->Param.CC.Value);                      if (itEvent->Param.CC.Controller == pLFO3->ExtController) {
637                            pLFO3->update(itEvent->Param.CC.Value);
638                        }
639                  }                  }
640                  if (itEvent->Param.CC.Controller == 7) { // volume                  if (itEvent->Param.CC.Controller == 7) { // volume
641                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);
642                  } else if (itEvent->Param.CC.Controller == 10) { // panpot                  } else if (itEvent->Param.CC.Controller == 10) { // panpot
643                      PanLeftSmoother.update(AbstractEngine::PanCurve[128 - itEvent->Param.CC.Value]);                      MIDIPan = CalculatePan(itEvent->Param.CC.Value);
                     PanRightSmoother.update(AbstractEngine::PanCurve[itEvent->Param.CC.Value]);  
644                  }                  }
645              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
646                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
647              }              }
648    
649              ProcessCCEvent(itEvent);              ProcessCCEvent(itEvent);
650                if (pSignalUnitRack != NULL) {
651                    pSignalUnitRack->ProcessCCEvent(itEvent);
652                }
653          }          }
654      }      }
655    
# Line 552  namespace LinuxSampler { Line 681  namespace LinuxSampler {
681                  if (itEvent->Type == Event::type_release) {                  if (itEvent->Type == Event::type_release) {
682                      EnterReleaseStage();                      EnterReleaseStage();
683                  } else if (itEvent->Type == Event::type_cancel_release) {                  } else if (itEvent->Type == Event::type_cancel_release) {
684                      pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      if (pSignalUnitRack == NULL) {
685                      pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
686                            pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
687                        } else {
688                            pSignalUnitRack->CancelRelease();
689                        }
690                  }                  }
691              }              }
692          }          }
# Line 580  namespace LinuxSampler { Line 713  namespace LinuxSampler {
713       * @param itNoteOffEvent - event which causes this voice to die soon       * @param itNoteOffEvent - event which causes this voice to die soon
714       */       */
715      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {
716          const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());          if (pSignalUnitRack == NULL) {
717          pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());
718                pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;
719            } else {
720                // TODO:
721            }
722      }      }
723    
724      /**      /**
# Line 643  namespace LinuxSampler { Line 780  namespace LinuxSampler {
780      }      }
781    
782      void AbstractVoice::EnterReleaseStage() {      void AbstractVoice::EnterReleaseStage() {
783          pEG1->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);          if (pSignalUnitRack == NULL) {
784          pEG2->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              pEG1->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
785                pEG2->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
786            } else {
787                pSignalUnitRack->EnterReleaseStage();
788            }
789        }
790    
791        bool AbstractVoice::EG1Finished() {
792            if (pSignalUnitRack == NULL) {
793                return pEG1->getSegmentType() == EG::segment_end;
794            } else {
795                return !pSignalUnitRack->GetEndpointUnit()->Active();
796            }
797      }      }
798    
799  } // namespace LinuxSampler  } // namespace LinuxSampler
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