/[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 2115 by persson, Thu Aug 12 15:36:15 2010 UTC revision 2299 by iliev, Sun Dec 11 20:50:31 2011 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) 2009-2010 Christian Schoenebeck and Grigor Iliev        *   *   Copyright (C) 2009-2011 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 EG (0..1 range)          pLFO1 = new LFOUnsigned(1.0f);  // amplitude LFO (0..1 range)
32          pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)          pLFO2 = new LFOUnsigned(1.0f);  // filter LFO (0..1 range)
33          pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)          pLFO3 = new LFOSigned(1200.0f); // pitch LFO (-1200..+1200 range)
34          PlaybackState = playback_state_end;          PlaybackState = playback_state_end;
35          SynthesisMode = 0; // set all mode bits to 0 first          SynthesisMode = 0; // set all mode bits to 0 first
36          // select synthesis implementation (asm core is not supported ATM)          // select synthesis implementation (asm core is not supported ATM)
# 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            MIDIPan         = pEngineChannel->ControllerTable[10];
116            if (MIDIPan == 0 && pEngineChannel->GlobalPanRight == 1) MIDIPan = 64; // workaround used to determine whether the MIDI pan has not been set
117          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
118          Delay           = itNoteOnEvent->FragmentPos();          Delay           = itNoteOnEvent->FragmentPos();
119          itTriggerEvent  = itNoteOnEvent;          itTriggerEvent  = itNoteOnEvent;
120          itKillEvent     = Pool<Event>::Iterator();          itKillEvent     = Pool<Event>::Iterator();
121            MidiKeyBase* pKeyInfo = GetMidiKeyInfo(MIDIKey);
122    
123          pGroupEvents = iKeyGroup ? pEngineChannel->ActiveKeyGroups[iKeyGroup] : 0;          pGroupEvents = iKeyGroup ? pEngineChannel->ActiveKeyGroups[iKeyGroup] : 0;
124    
125          SmplInfo   = GetSampleInfo();          SmplInfo   = GetSampleInfo();
126          RgnInfo    = GetRegionInfo();          RgnInfo    = GetRegionInfo();
127          InstrInfo  = GetInstrumentInfo();          InstrInfo  = GetInstrumentInfo();
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);
133          float volume = CalculateVolume(velocityAttenuation);          float volume = CalculateVolume(velocityAttenuation) * pKeyInfo->Volume;
134          if (volume <= 0) return -1;          if (volume <= 0) return -1;
135    
136          // select channel mode (mono or stereo)          // select channel mode (mono or stereo)
# Line 123  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 * AbstractEngine::PanCurve[64 - RgnInfo.Pan];          VolumeLeft  = volume * pKeyInfo->PanLeft  * AbstractEngine::PanCurve[64 - RgnInfo.Pan];
145          VolumeRight = volume * AbstractEngine::PanCurve[64 + RgnInfo.Pan];          VolumeRight = volume * pKeyInfo->PanRight * AbstractEngine::PanCurve[64 + RgnInfo.Pan];
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);
# Line 132  namespace LinuxSampler { Line 150  namespace LinuxSampler {
150          PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);          PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);
151          PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);          PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);
152    
         finalSynthesisParameters.dPos = RgnInfo.SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)  
         Pos = RgnInfo.SampleStartOffset;  
   
153          // 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
154          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;          long cachedsamples = GetSampleCacheSize() / SmplInfo.FrameSize;
155          DiskVoice          = cachedsamples < SmplInfo.TotalFrameCount;          DiskVoice          = cachedsamples < SmplInfo.TotalFrameCount;
156    
157            SetSampleStartOffset();
158    
159          if (DiskVoice) { // voice to be streamed from disk          if (DiskVoice) { // voice to be streamed from disk
160              if (cachedsamples > (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {              if (cachedsamples > (GetEngine()->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {
161                  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 175  namespace LinuxSampler { Line 192  namespace LinuxSampler {
192          // 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
193          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);          const double velrelease = 1 / GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
194    
195          // setup EG 1 (VCA EG)          if (pSignalUnitRack == NULL) { // setup EG 1 (VCA EG)
         {  
196              // get current value of EG1 controller              // get current value of EG1 controller
197              double eg1controllervalue = GetEG1ControllerValue(itNoteOnEvent->Param.Note.Velocity);              double eg1controllervalue = GetEG1ControllerValue(itNoteOnEvent->Param.Note.Velocity);
198    
# Line 184  namespace LinuxSampler { Line 200  namespace LinuxSampler {
200              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);              EGInfo egInfo = CalculateEG1ControllerInfluence(eg1controllervalue);
201    
202              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);              TriggerEG1(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
203            } else {
204                pSignalUnitRack->Trigger();
205          }          }
206    
207  #ifdef CONFIG_INTERPOLATE_VOLUME  #ifdef CONFIG_INTERPOLATE_VOLUME
# Line 196  namespace LinuxSampler { Line 214  namespace LinuxSampler {
214          else          else
215      #else      #else
216          {          {
217              float finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pEG1->getLevel();              float finalVolume;
218                if (pSignalUnitRack == NULL) {
219                    finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pEG1->getLevel();
220                } else {
221                    finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * pSignalUnitRack->GetEndpointUnit()->GetVolume();
222                }
223    
224              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;              finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;
225              finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight;              finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight;
# Line 204  namespace LinuxSampler { Line 227  namespace LinuxSampler {
227      #endif      #endif
228  #endif  #endif
229    
230          // setup EG 2 (VCF Cutoff EG)          if (pSignalUnitRack == NULL) {
231          {              // setup EG 2 (VCF Cutoff EG)
232              // get current value of EG2 controller              {
233              double eg2controllervalue = GetEG2ControllerValue(itNoteOnEvent->Param.Note.Velocity);                  // get current value of EG2 controller
234                    double eg2controllervalue = GetEG2ControllerValue(itNoteOnEvent->Param.Note.Velocity);
235    
236                    // calculate influence of EG2 controller on EG2's parameters
237                    EGInfo egInfo = CalculateEG2ControllerInfluence(eg2controllervalue);
238    
239                    TriggerEG2(egInfo, velrelease, velocityAttenuation, GetEngine()->SampleRate, itNoteOnEvent->Param.Note.Velocity);
240                }
241    
             // calculate influence of EG2 controller on EG2's parameters  
             EGInfo egInfo = CalculateEG2ControllerInfluence(eg2controllervalue);  
242    
243              EG2.trigger (              // setup EG 3 (VCO EG)
244                  uint(RgnInfo.EG2PreAttack),              {
245                  RgnInfo.EG2Attack * egInfo.Attack,                  // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch
246                  false,                  bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;
247                  RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,                  float eg3depth = (bPortamento)
248                  RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,                               ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)
249                  RgnInfo.EG2InfiniteSustain,                               : RTMath::CentsToFreqRatio(RgnInfo.EG3Depth);
250                  uint(RgnInfo.EG2Sustain),                  float eg3time = (bPortamento)
251                  RgnInfo.EG2Release * egInfo.Release * velrelease,                              ? pEngineChannel->PortamentoTime
252                  velocityAttenuation,                              : RgnInfo.EG3Attack;
253                  GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE                  EG3.trigger(eg3depth, eg3time, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
254              );                  dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time));
255          }              }
256    
257    
258          // setup EG 3 (VCO EG)              // setup LFO 1 (VCA LFO)
259          {              InitLFO1();
260              // 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)
261              bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;              InitLFO2();
262              float eg3depth = (bPortamento)              // setup LFO 3 (VCO LFO)
263                           ? 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));  
264          }          }
265    
266    
         // setup LFO 1 (VCA LFO)  
         InitLFO1();  
         // setup LFO 2 (VCF Cutoff LFO)  
         InitLFO2();  
         // setup LFO 3 (VCO LFO)  
         InitLFO3();  
   
   
267          #if CONFIG_FORCE_FILTER          #if CONFIG_FORCE_FILTER
268          const bool bUseFilter = true;          const bool bUseFilter = true;
269          #else // use filter only if instrument file told so          #else // use filter only if instrument file told so
# Line 292  namespace LinuxSampler { Line 306  namespace LinuxSampler {
306              VCFCutoffCtrl.controller    = 0;              VCFCutoffCtrl.controller    = 0;
307              VCFResonanceCtrl.controller = 0;              VCFResonanceCtrl.controller = 0;
308          }          }
309            
310            const bool bEq =
311                pSignalUnitRack != NULL && pSignalUnitRack->HasEq() && pEq->HasSupport();
312    
313            if (bEq) {
314                pEq->GetInChannelLeft()->Clear();
315                pEq->GetInChannelRight()->Clear();
316                pEq->RenderAudio(GetEngine()->pAudioOutputDevice->MaxSamplesPerCycle());
317            }
318    
319          return 0; // success          return 0; // success
320      }      }
321        
322        void AbstractVoice::SetSampleStartOffset() {
323            finalSynthesisParameters.dPos = RgnInfo.SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)
324            Pos = RgnInfo.SampleStartOffset;
325        }
326    
327      /**      /**
328       *  Synthesizes the current audio fragment for this voice.       *  Synthesizes the current audio fragment for this voice.
# Line 305  namespace LinuxSampler { Line 333  namespace LinuxSampler {
333       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
334       */       */
335      void AbstractVoice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {      void AbstractVoice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
336            bool delay = false; // Whether the voice playback should be delayed for this call
337            
338            if (pSignalUnitRack != NULL) {
339                uint delaySteps = pSignalUnitRack->GetEndpointUnit()->DelayTrigger();
340                if (delaySteps > 0) { // delay on the endpoint unit means delay of the voice playback
341                    if (delaySteps >= Samples) {
342                        pSignalUnitRack->GetEndpointUnit()->DecreaseDelay(Samples);
343                        delay = true;
344                    } else {
345                        pSignalUnitRack->GetEndpointUnit()->DecreaseDelay(delaySteps);
346                        Samples -= delaySteps;
347                        Skip += delaySteps;
348                    }
349                }
350            }
351            
352          AbstractEngineChannel* pChannel = pEngineChannel;          AbstractEngineChannel* pChannel = pEngineChannel;
353          finalSynthesisParameters.pOutLeft  = &pChannel->pChannelLeft->Buffer()[Skip];          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);
354          finalSynthesisParameters.pOutRight = &pChannel->pChannelRight->Buffer()[Skip];  
355          finalSynthesisParameters.pSrc      = pSrc;          const bool bVoiceRequiresDedicatedRouting =
356                pEngineChannel->GetFxSendCount() > 0 &&
357                (pMidiKeyInfo->ReverbSend || pMidiKeyInfo->ChorusSend);
358            
359            const bool bEq =
360                pSignalUnitRack != NULL && pSignalUnitRack->HasEq() && pEq->HasSupport();
361    
362            if (bEq) {
363                pEq->GetInChannelLeft()->Clear();
364                pEq->GetInChannelRight()->Clear();
365                finalSynthesisParameters.pOutLeft  = &pEq->GetInChannelLeft()->Buffer()[Skip];
366                finalSynthesisParameters.pOutRight = &pEq->GetInChannelRight()->Buffer()[Skip];
367                pSignalUnitRack->UpdateEqSettings(pEq);
368            } else if (bVoiceRequiresDedicatedRouting) {
369                finalSynthesisParameters.pOutLeft  = &GetEngine()->pDedicatedVoiceChannelLeft->Buffer()[Skip];
370                finalSynthesisParameters.pOutRight = &GetEngine()->pDedicatedVoiceChannelRight->Buffer()[Skip];
371            } else {
372                finalSynthesisParameters.pOutLeft  = &pChannel->pChannelLeft->Buffer()[Skip];
373                finalSynthesisParameters.pOutRight = &pChannel->pChannelRight->Buffer()[Skip];
374            }
375            finalSynthesisParameters.pSrc = pSrc;
376    
377          RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first();          RTList<Event>::Iterator itCCEvent = pChannel->pEvents->first();
378          RTList<Event>::Iterator itNoteEvent;          RTList<Event>::Iterator itNoteEvent;
# Line 341  namespace LinuxSampler { Line 405  namespace LinuxSampler {
405                  // drivers that use Samples < MaxSamplesPerCycle).                  // drivers that use Samples < MaxSamplesPerCycle).
406                  // End the EG1 here, at pos 0, with a shorter max fade                  // End the EG1 here, at pos 0, with a shorter max fade
407                  // out time.                  // out time.
408                  pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  if (pSignalUnitRack == NULL) {
409                        pEG1->enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
410                    } else {
411                        // TODO:
412                    }
413                  itKillEvent = Pool<Event>::Iterator();                  itKillEvent = Pool<Event>::Iterator();
414              } else {              } else {
415                  killPos = RTMath::Min(itKillEvent->FragmentPos(), maxFadeOutPos);                  killPos = RTMath::Min(itKillEvent->FragmentPos(), maxFadeOutPos);
# Line 358  namespace LinuxSampler { Line 426  namespace LinuxSampler {
426    
427              // process MIDI control change and pitchbend events for this subfragment              // process MIDI control change and pitchbend events for this subfragment
428              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
429                uint8_t pan = MIDIPan;
430                if (pSignalUnitRack != NULL) pan = pSignalUnitRack->GetEndpointUnit()->CaluclatePan(pan);
431                
432                PanLeftSmoother.update(AbstractEngine::PanCurve[128 - pan]);
433                PanRightSmoother.update(AbstractEngine::PanCurve[pan]);
434    
435              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;              finalSynthesisParameters.fFinalPitch = Pitch.PitchBase * Pitch.PitchBend;
436              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();              float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();
# Line 368  namespace LinuxSampler { Line 441  namespace LinuxSampler {
441              // process transition events (note on, note off & sustain pedal)              // process transition events (note on, note off & sustain pedal)
442              processTransitionEvents(itNoteEvent, iSubFragmentEnd);              processTransitionEvents(itNoteEvent, iSubFragmentEnd);
443              processGroupEvents(itGroupEvent, iSubFragmentEnd);              processGroupEvents(itGroupEvent, iSubFragmentEnd);
444                
445                if (pSignalUnitRack == NULL) {
446                    // if the voice was killed in this subfragment, or if the
447                    // filter EG is finished, switch EG1 to fade out stage
448                    if ((itKillEvent && killPos <= iSubFragmentEnd) ||
449                        (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&
450                        pEG2->getSegmentType() == EG::segment_end)) {
451                        pEG1->enterFadeOutStage();
452                        itKillEvent = Pool<Event>::Iterator();
453                    }
454    
455              // if the voice was killed in this subfragment, or if the                  // process envelope generators
456              // filter EG is finished, switch EG1 to fade out stage                  switch (pEG1->getSegmentType()) {
457              if ((itKillEvent && killPos <= iSubFragmentEnd) ||                      case EG::segment_lin:
458                  (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&                          fFinalVolume *= pEG1->processLin();
459                   EG2.getSegmentType() == gig::EGADSR::segment_end)) {                          break;
460                  pEG1->enterFadeOutStage();                      case EG::segment_exp:
461                  itKillEvent = Pool<Event>::Iterator();                          fFinalVolume *= pEG1->processExp();
462              }                          break;
463                        case EG::segment_end:
464                            fFinalVolume *= pEG1->getLevel();
465                            break; // noop
466                        case EG::segment_pow:
467                            fFinalVolume *= pEG1->processPow();
468                            break;
469                    }
470                    switch (pEG2->getSegmentType()) {
471                        case EG::segment_lin:
472                            fFinalCutoff *= pEG2->processLin();
473                            break;
474                        case EG::segment_exp:
475                            fFinalCutoff *= pEG2->processExp();
476                            break;
477                        case EG::segment_end:
478                            fFinalCutoff *= pEG2->getLevel();
479                            break; // noop
480                        case EG::segment_pow:
481                            fFinalCutoff *= pEG2->processPow();
482                            break;
483                    }
484                    if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();
485    
486              // process envelope generators                  // process low frequency oscillators
487              switch (pEG1->getSegmentType()) {                  if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());
488                  case EG::segment_lin:                  if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();
489                      fFinalVolume *= pEG1->processLin();                  if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());
490                      break;              } else {
491                  case EG::segment_exp:                  // if the voice was killed in this subfragment, or if the
492                      fFinalVolume *= pEG1->processExp();                  // filter EG is finished, switch EG1 to fade out stage
493                      break;                  /*if ((itKillEvent && killPos <= iSubFragmentEnd) ||
494                  case EG::segment_end:                      (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&
495                      fFinalVolume *= pEG1->getLevel();                      pEG2->getSegmentType() == EG::segment_end)) {
496                      break; // noop                      pEG1->enterFadeOutStage();
497                  case EG::segment_pow:                      itKillEvent = Pool<Event>::Iterator();
498                      fFinalVolume *= pEG1->processPow();                  }*/
499                      break;                  // TODO: ^^^
500    
501                    fFinalVolume   *= pSignalUnitRack->GetEndpointUnit()->GetVolume();
502                    fFinalCutoff    = pSignalUnitRack->GetEndpointUnit()->CalculateFilterCutoff(fFinalCutoff);
503                    fFinalResonance = pSignalUnitRack->GetEndpointUnit()->CalculateResonance(fFinalResonance);
504                    
505                    finalSynthesisParameters.fFinalPitch =
506                        pSignalUnitRack->GetEndpointUnit()->CalculatePitch(finalSynthesisParameters.fFinalPitch);
507                        
508              }              }
509              switch (EG2.getSegmentType()) {              
                 case gig::EGADSR::segment_lin:  
                     fFinalCutoff *= EG2.processLin();  
                     break;  
                 case gig::EGADSR::segment_exp:  
                     fFinalCutoff *= EG2.processExp();  
                     break;  
                 case gig::EGADSR::segment_end:  
                     fFinalCutoff *= EG2.getLevel();  
                     break; // noop  
             }  
             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());  
   
510              // limit the pitch so we don't read outside the buffer              // limit the pitch so we don't read outside the buffer
511              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));              finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));
512    
# Line 443  namespace LinuxSampler { Line 539  namespace LinuxSampler {
539                  fFinalVolume * VolumeRight * PanRightSmoother.render();                  fFinalVolume * VolumeRight * PanRightSmoother.render();
540  #endif  #endif
541              // render audio for one subfragment              // render audio for one subfragment
542              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);              if (!delay) RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);
543    
544              // stop the rendering if volume EG is finished              if (pSignalUnitRack == NULL) {
545              if (pEG1->getSegmentType() == EG::segment_end) break;                  // stop the rendering if volume EG is finished
546                    if (pEG1->getSegmentType() == EG::segment_end) break;
547                } else {
548                    // stop the rendering if the endpoint unit is not active
549                    if (!pSignalUnitRack->GetEndpointUnit()->Active()) break;
550                }
551    
552              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;
553    
554              // increment envelopes' positions              if (pSignalUnitRack == NULL) {
555              if (pEG1->active()) {                  // increment envelopes' positions
556                    if (pEG1->active()) {
557    
558                        // 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
559                        if (SmplInfo.HasLoops && Pos <= SmplInfo.LoopStart && SmplInfo.LoopStart < newPos) {
560                            pEG1->update(EG::event_hold_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
561                        }
562    
563                  // 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);
564                  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);  
565                  }                  }
566                    if (pEG2->active()) {
567                  pEG1->increment(1);                      pEG2->increment(1);
568                  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);
569              }                  }
570              if (EG2.active()) {                  EG3.increment(1);
571                  EG2.increment(1);                  if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached
572                  if (!EG2.toStageEndLeft()) EG2.update(gig::EGADSR::event_stage_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              } else {
573                        // 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
574                        /*if (SmplInfo.HasLoops && Pos <= SmplInfo.LoopStart && SmplInfo.LoopStart < newPos) {
575                            pEG1->update(EG::event_hold_end, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
576                        }*/
577                    // TODO: ^^^
578                    
579                    if (!delay) pSignalUnitRack->Increment();
580              }              }
             EG3.increment(1);  
             if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached  
581    
582              Pos = newPos;              Pos = newPos;
583              i = iSubFragmentEnd;              i = iSubFragmentEnd;
584          }          }
585            
586            if (delay) return;
587    
588            if (bVoiceRequiresDedicatedRouting) {
589                if (bEq) {
590                    pEq->RenderAudio(Samples);
591                    pEq->GetOutChannelLeft()->CopyTo(GetEngine()->pDedicatedVoiceChannelLeft, Samples);
592                    pEq->GetOutChannelRight()->CopyTo(GetEngine()->pDedicatedVoiceChannelRight, Samples);
593                }
594                optional<float> effectSendLevels[2] = {
595                    pMidiKeyInfo->ReverbSend,
596                    pMidiKeyInfo->ChorusSend
597                };
598                GetEngine()->RouteDedicatedVoiceChannels(pEngineChannel, effectSendLevels, Samples);
599            } else if (bEq) {
600                pEq->RenderAudio(Samples);
601                pEq->GetOutChannelLeft()->MixTo(pChannel->pChannelLeft, Samples);
602                pEq->GetOutChannelRight()->MixTo(pChannel->pChannelRight, Samples);
603            }
604      }      }
605    
606      /**      /**
# Line 489  namespace LinuxSampler { Line 619  namespace LinuxSampler {
619                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {
620                      processResonanceEvent(itEvent);                      processResonanceEvent(itEvent);
621                  }                  }
622                  if (itEvent->Param.CC.Controller == pLFO1->ExtController) {                  if (pSignalUnitRack == NULL) {
623                      pLFO1->update(itEvent->Param.CC.Value);                      if (itEvent->Param.CC.Controller == pLFO1->ExtController) {
624                  }                          pLFO1->update(itEvent->Param.CC.Value);
625                  if (itEvent->Param.CC.Controller == pLFO2->ExtController) {                      }
626                      pLFO2->update(itEvent->Param.CC.Value);                      if (itEvent->Param.CC.Controller == pLFO2->ExtController) {
627                  }                          pLFO2->update(itEvent->Param.CC.Value);
628                  if (itEvent->Param.CC.Controller == pLFO3->ExtController) {                      }
629                      pLFO3->update(itEvent->Param.CC.Value);                      if (itEvent->Param.CC.Controller == pLFO3->ExtController) {
630                            pLFO3->update(itEvent->Param.CC.Value);
631                        }
632                  }                  }
633                  if (itEvent->Param.CC.Controller == 7) { // volume                  if (itEvent->Param.CC.Controller == 7) { // volume
634                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);                      VolumeSmoother.update(AbstractEngine::VolumeCurve[itEvent->Param.CC.Value]);
635                  } else if (itEvent->Param.CC.Controller == 10) { // panpot                  } else if (itEvent->Param.CC.Controller == 10) { // panpot
636                      PanLeftSmoother.update(AbstractEngine::PanCurve[128 - itEvent->Param.CC.Value]);                      MIDIPan = itEvent->Param.CC.Value;
                     PanRightSmoother.update(AbstractEngine::PanCurve[itEvent->Param.CC.Value]);  
637                  }                  }
638              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
639                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
640              }              }
641    
642              ProcessCCEvent(itEvent);              ProcessCCEvent(itEvent);
643                if (pSignalUnitRack != NULL) {
644                    pSignalUnitRack->ProcessCCEvent(itEvent);
645                }
646          }          }
647      }      }
648    
# Line 540  namespace LinuxSampler { Line 674  namespace LinuxSampler {
674                  if (itEvent->Type == Event::type_release) {                  if (itEvent->Type == Event::type_release) {
675                      EnterReleaseStage();                      EnterReleaseStage();
676                  } else if (itEvent->Type == Event::type_cancel_release) {                  } else if (itEvent->Type == Event::type_cancel_release) {
677                      pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      if (pSignalUnitRack == NULL) {
678                      EG2.update(gig::EGADSR::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEG1->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
679                            pEG2->update(EG::event_cancel_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
680                        } else {
681                            pSignalUnitRack->CancelRelease();
682                        }
683                  }                  }
684              }              }
685          }          }
# Line 568  namespace LinuxSampler { Line 706  namespace LinuxSampler {
706       * @param itNoteOffEvent - event which causes this voice to die soon       * @param itNoteOffEvent - event which causes this voice to die soon
707       */       */
708      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {      void AbstractVoice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {
709          const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());          if (pSignalUnitRack == NULL) {
710          pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;              const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());
711                pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;
712            } else {
713                // TODO:
714            }
715      }      }
716    
717      /**      /**
# Line 631  namespace LinuxSampler { Line 773  namespace LinuxSampler {
773      }      }
774    
775      void AbstractVoice::EnterReleaseStage() {      void AbstractVoice::EnterReleaseStage() {
776          pEG1->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);          if (pSignalUnitRack == NULL) {
777          EG2.update(gig::EGADSR::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              pEG1->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
778                pEG2->update(EG::event_release, GetEngine()->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
779            } else {
780                pSignalUnitRack->EnterReleaseStage();
781            }
782        }
783    
784        bool AbstractVoice::EG1Finished() {
785            if (pSignalUnitRack == NULL) {
786                return pEG1->getSegmentType() == EG::segment_end;
787            } else {
788                return !pSignalUnitRack->GetEndpointUnit()->Active();
789            }
790      }      }
791    
792  } // namespace LinuxSampler  } // namespace LinuxSampler
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