/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/Voice.cpp

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revision 287 by schoenebeck, Sat Oct 16 17:38:03 2004 UTC revision 407 by persson, Wed Feb 23 19:14:14 2005 UTC
# Line 22  Line 22 
22    
23  #include "EGADSR.h"  #include "EGADSR.h"
24  #include "Manipulator.h"  #include "Manipulator.h"
25    #include "../../common/Features.h"
26    #include "Synthesizer.h"
27    
28  #include "Voice.h"  #include "Voice.h"
29    
# Line 56  namespace LinuxSampler { namespace gig { Line 58  namespace LinuxSampler { namespace gig {
58          pLFO2  = NULL;          pLFO2  = NULL;
59          pLFO3  = NULL;          pLFO3  = NULL;
60          KeyGroup = 0;          KeyGroup = 0;
61            SynthesisMode = 0; // set all mode bits to 0 first
62            // select synthesis implementation (currently either pure C++ or MMX+SSE(1))
63            #if ARCH_X86
64            SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());
65            #else
66            SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);
67            #endif
68            SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true);
69    
70            FilterLeft.Reset();
71            FilterRight.Reset();
72      }      }
73    
74      Voice::~Voice() {      Voice::~Voice() {
# Line 109  namespace LinuxSampler { namespace gig { Line 122  namespace LinuxSampler { namespace gig {
122       *  @param iLayer              - layer number this voice refers to (only if this is a layered sound of course)       *  @param iLayer              - layer number this voice refers to (only if this is a layered sound of course)
123       *  @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false)       *  @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false)
124       *  @param VoiceStealing       - wether the voice is allowed to steal voices for further subvoices       *  @param VoiceStealing       - wether the voice is allowed to steal voices for further subvoices
125       *  @returns 0 on success, a value < 0 if something failed       *  @returns 0 on success, a value < 0 if the voice wasn't triggered
126         *           (either due to an error or e.g. because no region is
127         *           defined for the given key)
128       */       */
129      int Voice::Trigger(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {      int Voice::Trigger(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {
130          if (!pInstrument) {          if (!pInstrument) {
131             dmsg(1,("voice::trigger: !pInstrument\n"));             dmsg(1,("voice::trigger: !pInstrument\n"));
132             exit(EXIT_FAILURE);             exit(EXIT_FAILURE);
133          }          }
134            if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)
135                dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));
136            }
137    
138          Type            = type_normal;          Type            = type_normal;
139          MIDIKey         = itNoteOnEvent->Param.Note.Key;          MIDIKey         = itNoteOnEvent->Param.Note.Key;
# Line 127  namespace LinuxSampler { namespace gig { Line 145  namespace LinuxSampler { namespace gig {
145          itChildVoice    = Pool<Voice>::Iterator();          itChildVoice    = Pool<Voice>::Iterator();
146    
147          if (!pRegion) {          if (!pRegion) {
148              std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush;              dmsg(4, ("gig::Voice: No Region defined for MIDI key %d\n", MIDIKey));
             KillImmediately();  
149              return -1;              return -1;
150          }          }
151    
# Line 136  namespace LinuxSampler { namespace gig { Line 153  namespace LinuxSampler { namespace gig {
153    
154          // get current dimension values to select the right dimension region          // get current dimension values to select the right dimension region
155          //FIXME: controller values for selecting the dimension region here are currently not sample accurate          //FIXME: controller values for selecting the dimension region here are currently not sample accurate
156          uint DimValues[5] = {0,0,0,0,0};          uint DimValues[8] = { 0 };
157          for (int i = pRegion->Dimensions - 1; i >= 0; i--) {          for (int i = pRegion->Dimensions - 1; i >= 0; i--) {
158              switch (pRegion->pDimensionDefinitions[i].dimension) {              switch (pRegion->pDimensionDefinitions[i].dimension) {
159                  case ::gig::dimension_samplechannel:                  case ::gig::dimension_samplechannel:
# Line 160  namespace LinuxSampler { namespace gig { Line 177  namespace LinuxSampler { namespace gig {
177                      DimValues[i] = (uint) ReleaseTriggerVoice;                      DimValues[i] = (uint) ReleaseTriggerVoice;
178                      break;                      break;
179                  case ::gig::dimension_keyboard:                  case ::gig::dimension_keyboard:
180                      DimValues[i] = (uint) itNoteOnEvent->Param.Note.Key;                      DimValues[i] = (uint) pEngine->CurrentKeyDimension;
181                      break;                      break;
182                  case ::gig::dimension_modwheel:                  case ::gig::dimension_modwheel:
183                      DimValues[i] = pEngine->ControllerTable[1];                      DimValues[i] = pEngine->ControllerTable[1];
# Line 238  namespace LinuxSampler { namespace gig { Line 255  namespace LinuxSampler { namespace gig {
255                      std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush;                      std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush;
256              }              }
257          }          }
258          pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]);          pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);
259    
260            pSample = pDimRgn->pSample; // sample won't change until the voice is finished
261            if (!pSample || !pSample->SamplesTotal) return -1; // no need to continue if sample is silent
262    
263            // select channel mode (mono or stereo)
264            SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);
265    
266          // get starting crossfade volume level          // get starting crossfade volume level
267          switch (pDimRgn->AttenuationController.type) {          switch (pDimRgn->AttenuationController.type) {
# Line 259  namespace LinuxSampler { namespace gig { Line 282  namespace LinuxSampler { namespace gig {
282          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;
283          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;
284    
         pSample = pDimRgn->pSample; // sample won't change until the voice is finished  
   
285          Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)          Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)
286    
287          // 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
# Line 297  namespace LinuxSampler { namespace gig { Line 318  namespace LinuxSampler { namespace gig {
318    
319          // calculate initial pitch value          // calculate initial pitch value
320          {          {
321              double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12];              double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];
322              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;
323              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));
324              this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents              this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents
325          }          }
326    
   
327          Volume = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)          Volume = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)
328    
329            Volume *= pDimRgn->SampleAttenuation;
330    
331          // setup EG 1 (VCA EG)          // setup EG 1 (VCA EG)
332          {          {
# Line 345  namespace LinuxSampler { namespace gig { Line 366  namespace LinuxSampler { namespace gig {
366          }          }
367    
368    
     #if ENABLE_FILTER  
369          // setup EG 2 (VCF Cutoff EG)          // setup EG 2 (VCF Cutoff EG)
370          {          {
371              // get current value of EG2 controller              // get current value of EG2 controller
# Line 382  namespace LinuxSampler { namespace gig { Line 402  namespace LinuxSampler { namespace gig {
402                            pDimRgn->EG2Release + eg2release,                            pDimRgn->EG2Release + eg2release,
403                            Delay);                            Delay);
404          }          }
     #endif // ENABLE_FILTER  
405    
406    
407          // setup EG 3 (VCO EG)          // setup EG 3 (VCO EG)
# Line 429  namespace LinuxSampler { namespace gig { Line 448  namespace LinuxSampler { namespace gig {
448                            Delay);                            Delay);
449          }          }
450    
451      #if ENABLE_FILTER  
452          // setup LFO 2 (VCF Cutoff LFO)          // setup LFO 2 (VCF Cutoff LFO)
453          {          {
454              uint16_t lfo2_internal_depth;              uint16_t lfo2_internal_depth;
# Line 466  namespace LinuxSampler { namespace gig { Line 485  namespace LinuxSampler { namespace gig {
485                            pEngine->SampleRate,                            pEngine->SampleRate,
486                            Delay);                            Delay);
487          }          }
488      #endif // ENABLE_FILTER  
489    
490          // setup LFO 3 (VCO LFO)          // setup LFO 3 (VCO LFO)
491          {          {
# Line 505  namespace LinuxSampler { namespace gig { Line 524  namespace LinuxSampler { namespace gig {
524                            Delay);                            Delay);
525          }          }
526    
527      #if ENABLE_FILTER  
528          #if FORCE_FILTER_USAGE          #if FORCE_FILTER_USAGE
529          FilterLeft.Enabled = FilterRight.Enabled = true;          const bool bUseFilter = true;
530          #else // use filter only if instrument file told so          #else // use filter only if instrument file told so
531          FilterLeft.Enabled = FilterRight.Enabled = pDimRgn->VCFEnabled;          const bool bUseFilter = pDimRgn->VCFEnabled;
532          #endif // FORCE_FILTER_USAGE          #endif // FORCE_FILTER_USAGE
533          if (pDimRgn->VCFEnabled) {          SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter);
534            if (bUseFilter) {
535              #ifdef OVERRIDE_FILTER_CUTOFF_CTRL              #ifdef OVERRIDE_FILTER_CUTOFF_CTRL
536              VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL;              VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL;
537              #else // use the one defined in the instrument file              #else // use the one defined in the instrument file
# Line 599  namespace LinuxSampler { namespace gig { Line 619  namespace LinuxSampler { namespace gig {
619              VCFCutoffCtrl.fvalue    = cutoff - FILTER_CUTOFF_MIN;              VCFCutoffCtrl.fvalue    = cutoff - FILTER_CUTOFF_MIN;
620              VCFResonanceCtrl.fvalue = resonance;              VCFResonanceCtrl.fvalue = resonance;
621    
             FilterLeft.SetParameters(cutoff,  resonance, pEngine->SampleRate);  
             FilterRight.SetParameters(cutoff, resonance, pEngine->SampleRate);  
   
622              FilterUpdateCounter = -1;              FilterUpdateCounter = -1;
623          }          }
624          else {          else {
625              VCFCutoffCtrl.controller    = 0;              VCFCutoffCtrl.controller    = 0;
626              VCFResonanceCtrl.controller = 0;              VCFResonanceCtrl.controller = 0;
627          }          }
     #endif // ENABLE_FILTER  
628    
629          return 0; // success          return 0; // success
630      }      }
# Line 626  namespace LinuxSampler { namespace gig { Line 642  namespace LinuxSampler { namespace gig {
642       */       */
643      void Voice::Render(uint Samples) {      void Voice::Render(uint Samples) {
644    
645            // select default values for synthesis mode bits
646            SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, (PitchBase * PitchBend) != 1.0f);
647            SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, true);
648            SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);
649    
650          // Reset the synthesis parameter matrix          // Reset the synthesis parameter matrix
651    
652          pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume);          pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume);
653          pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);          pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);
     #if ENABLE_FILTER  
654          pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);          pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);
655          pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);          pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);
     #endif // ENABLE_FILTER  
   
656    
657          // Apply events to the synthesis parameter matrix          // Apply events to the synthesis parameter matrix
658          ProcessEvents(Samples);          ProcessEvents(Samples);
659    
   
660          // Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment          // Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment
661          pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent);          pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent);
     #if ENABLE_FILTER  
662          pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend);          pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend);
663      #endif // ENABLE_FILTER          if (pEG3->Process(Samples)) { // if pitch EG is active
664          pEG3->Process(Samples);              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);
665                SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);
666            }
667          pLFO1->Process(Samples);          pLFO1->Process(Samples);
     #if ENABLE_FILTER  
668          pLFO2->Process(Samples);          pLFO2->Process(Samples);
669      #endif // ENABLE_FILTER          if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active
670          pLFO3->Process(Samples);              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);
671                SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);
672            }
     #if ENABLE_FILTER  
         CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters  
     #endif // ENABLE_FILTER  
673    
674            if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode))
675                    CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters
676    
677          switch (this->PlaybackState) {          switch (this->PlaybackState) {
678    
679              case playback_state_ram: {              case playback_state_ram: {
680                      if (RAMLoop) InterpolateAndLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay);                      if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping
681                      else         InterpolateNoLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay);  
682                        // render current fragment
683                        Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay);
684    
685                      if (DiskVoice) {                      if (DiskVoice) {
686                          // check if we reached the allowed limit of the sample RAM cache                          // check if we reached the allowed limit of the sample RAM cache
687                          if (Pos > MaxRAMPos) {                          if (Pos > MaxRAMPos) {
# Line 684  namespace LinuxSampler { namespace gig { Line 704  namespace LinuxSampler { namespace gig {
704                              KillImmediately();                              KillImmediately();
705                              return;                              return;
706                          }                          }
707                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos));                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos));
708                          Pos -= RTMath::DoubleToInt(Pos);                          Pos -= int(Pos);
709                            RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet
710                      }                      }
711    
712                        const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();
713    
714                      // add silence sample at the end if we reached the end of the stream (for the interpolator)                      // add silence sample at the end if we reached the end of the stream (for the interpolator)
715                      if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) {                      if (DiskStreamRef.State == Stream::state_end) {
716                          DiskStreamRef.pStream->WriteSilence((pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels);                          const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm
717                          this->PlaybackState = playback_state_end;                          if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {
718                                // remember how many sample words there are before any silence has been added
719                                if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead;
720                                DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);
721                            }
722                      }                      }
723    
724                      sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from                      sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from
725                      InterpolateNoLoop(Samples, ptr, Delay);  
726                      DiskStreamRef.pStream->IncrementReadPos(RTMath::DoubleToInt(Pos) * pSample->Channels);                      // render current audio fragment
727                      Pos -= RTMath::DoubleToInt(Pos);                      Synthesize(Samples, ptr, Delay);
728    
729                        const int iPos = (int) Pos;
730                        const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read
731                        DiskStreamRef.pStream->IncrementReadPos(readSampleWords);
732                        Pos -= iPos; // just keep fractional part of Pos
733    
734                        // change state of voice to 'end' if we really reached the end of the sample data
735                        if (RealSampleWordsLeftToRead >= 0) {
736                            RealSampleWordsLeftToRead -= readSampleWords;
737                            if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end;
738                        }
739                  }                  }
740                  break;                  break;
741    
# Line 706  namespace LinuxSampler { namespace gig { Line 744  namespace LinuxSampler { namespace gig {
744                  break;                  break;
745          }          }
746    
   
747          // Reset synthesis event lists (except VCO, as VCO events apply channel wide currently)          // Reset synthesis event lists (except VCO, as VCO events apply channel wide currently)
748          pEngine->pSynthesisEvents[Event::destination_vca]->clear();          pEngine->pSynthesisEvents[Event::destination_vca]->clear();
     #if ENABLE_FILTER  
749          pEngine->pSynthesisEvents[Event::destination_vcfc]->clear();          pEngine->pSynthesisEvents[Event::destination_vcfc]->clear();
750          pEngine->pSynthesisEvents[Event::destination_vcfr]->clear();          pEngine->pSynthesisEvents[Event::destination_vcfr]->clear();
     #endif // ENABLE_FILTER  
751    
752          // Reset delay          // Reset delay
753          Delay = 0;          Delay = 0;
# Line 731  namespace LinuxSampler { namespace gig { Line 766  namespace LinuxSampler { namespace gig {
766          pLFO1->Reset();          pLFO1->Reset();
767          pLFO2->Reset();          pLFO2->Reset();
768          pLFO3->Reset();          pLFO3->Reset();
769            FilterLeft.Reset();
770            FilterRight.Reset();
771          DiskStreamRef.pStream = NULL;          DiskStreamRef.pStream = NULL;
772          DiskStreamRef.hStream = 0;          DiskStreamRef.hStream = 0;
773          DiskStreamRef.State   = Stream::state_unused;          DiskStreamRef.State   = Stream::state_unused;
# Line 756  namespace LinuxSampler { namespace gig { Line 793  namespace LinuxSampler { namespace gig {
793          }          }
794          while (itCCEvent) {          while (itCCEvent) {
795              if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller              if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller
                 #if ENABLE_FILTER  
796                  if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {                  if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {
797                      *pEngine->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent;                      *pEngine->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent;
798                  }                  }
799                  if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {                  if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {
800                      *pEngine->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent;                      *pEngine->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent;
801                  }                  }
                 #endif // ENABLE_FILTER  
802                  if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) {                  if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) {
803                      pLFO1->SendEvent(itCCEvent);                      pLFO1->SendEvent(itCCEvent);
804                  }                  }
                 #if ENABLE_FILTER  
805                  if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) {                  if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) {
806                      pLFO2->SendEvent(itCCEvent);                      pLFO2->SendEvent(itCCEvent);
807                  }                  }
                 #endif // ENABLE_FILTER  
808                  if (itCCEvent->Param.CC.Controller == pLFO3->ExtController) {                  if (itCCEvent->Param.CC.Controller == pLFO3->ExtController) {
809                      pLFO3->SendEvent(itCCEvent);                      pLFO3->SendEvent(itCCEvent);
810                  }                  }
# Line 816  namespace LinuxSampler { namespace gig { Line 849  namespace LinuxSampler { namespace gig {
849    
850                  itVCOEvent = itNextVCOEvent;                  itVCOEvent = itNextVCOEvent;
851              }              }
852              if (!pVCOEventList->isEmpty()) this->PitchBend = pitch;              if (!pVCOEventList->isEmpty()) {
853                    this->PitchBend = pitch;
854                    SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);
855                    SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);
856                }
857          }          }
858    
859          // process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !)          // process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !)
# Line 848  namespace LinuxSampler { namespace gig { Line 885  namespace LinuxSampler { namespace gig {
885              if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume;              if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume;
886          }          }
887    
     #if ENABLE_FILTER  
888          // process filter cutoff events          // process filter cutoff events
889          {          {
890              RTList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc];              RTList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc];
# Line 905  namespace LinuxSampler { namespace gig { Line 941  namespace LinuxSampler { namespace gig {
941              }              }
942              if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time              if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time
943          }          }
     #endif // ENABLE_FILTER  
944      }      }
945    
     #if ENABLE_FILTER  
946      /**      /**
947       * Calculate all necessary, final biquad filter parameters.       * Calculate all necessary, final biquad filter parameters.
948       *       *
949       * @param Samples - number of samples to be rendered in this audio fragment cycle       * @param Samples - number of samples to be rendered in this audio fragment cycle
950       */       */
951      void Voice::CalculateBiquadParameters(uint Samples) {      void Voice::CalculateBiquadParameters(uint Samples) {
         if (!FilterLeft.Enabled) return;  
   
952          biquad_param_t bqbase;          biquad_param_t bqbase;
953          biquad_param_t bqmain;          biquad_param_t bqmain;
954          float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0];          float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0];
955          float prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][0];          float prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][0];
956          FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate);          FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);
957            FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);
958          pEngine->pBasicFilterParameters[0] = bqbase;          pEngine->pBasicFilterParameters[0] = bqbase;
959          pEngine->pMainFilterParameters[0]  = bqmain;          pEngine->pMainFilterParameters[0]  = bqmain;
960    
961          float* bq;          float* bq;
962          for (int i = 1; i < Samples; i++) {          for (int i = 1; i < Samples; i++) {
963              // recalculate biquad parameters if cutoff or resonance differ from previous sample point              // recalculate biquad parameters if cutoff or resonance differ from previous sample point
964              if (!(i & FILTER_UPDATE_MASK)) if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res ||              if (!(i & FILTER_UPDATE_MASK)) {
965                                                 pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) {                  if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res ||
966                  prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i];                      pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff)
967                  prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][i];                  {
968                  FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate);                      prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i];
969                        prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][i];
970                        FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);
971                        FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);
972                    }
973              }              }
974    
975              //same as 'pEngine->pBasicFilterParameters[i] = bqbase;'              //same as 'pEngine->pBasicFilterParameters[i] = bqbase;'
976              bq    = (float*) &pEngine->pBasicFilterParameters[i];              bq    = (float*) &pEngine->pBasicFilterParameters[i];
977              bq[0] = bqbase.a1;              bq[0] = bqbase.b0;
978              bq[1] = bqbase.a2;              bq[1] = bqbase.b1;
979              bq[2] = bqbase.b0;              bq[2] = bqbase.b2;
980              bq[3] = bqbase.b1;              bq[3] = bqbase.a1;
981              bq[4] = bqbase.b2;              bq[4] = bqbase.a2;
982    
983              // same as 'pEngine->pMainFilterParameters[i] = bqmain;'              // same as 'pEngine->pMainFilterParameters[i] = bqmain;'
984              bq    = (float*) &pEngine->pMainFilterParameters[i];              bq    = (float*) &pEngine->pMainFilterParameters[i];
985              bq[0] = bqmain.a1;              bq[0] = bqmain.b0;
986              bq[1] = bqmain.a2;              bq[1] = bqmain.b1;
987              bq[2] = bqmain.b0;              bq[2] = bqmain.b2;
988              bq[3] = bqmain.b1;              bq[3] = bqmain.a1;
989              bq[4] = bqmain.b2;              bq[4] = bqmain.a2;
990          }          }
991      }      }
     #endif // ENABLE_FILTER  
992    
993      /**      /**
994       *  Interpolates the input audio data (without looping).       *  Synthesizes the current audio fragment for this voice.
995       *       *
996       *  @param Samples - number of sample points to be rendered in this audio       *  @param Samples - number of sample points to be rendered in this audio
997       *                   fragment cycle       *                   fragment cycle
998       *  @param pSrc    - pointer to input sample data       *  @param pSrc    - pointer to input sample data
999       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
1000       */       */
1001      void Voice::InterpolateNoLoop(uint Samples, sample_t* pSrc, uint Skip) {      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
1002          int i = Skip;          RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip);
   
         // FIXME: assuming either mono or stereo  
         if (this->pSample->Channels == 2) { // Stereo Sample  
             while (i < Samples) InterpolateStereo(pSrc, i);  
         }  
         else { // Mono Sample  
             while (i < Samples) InterpolateMono(pSrc, i);  
         }  
     }  
   
     /**  
      *  Interpolates the input audio data, this method honors looping.  
      *  
      *  @param Samples - number of sample points to be rendered in this audio  
      *                   fragment cycle  
      *  @param pSrc    - pointer to input sample data  
      *  @param Skip    - number of sample points to skip in output buffer  
      */  
     void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) {  
         int i = Skip;  
   
         // FIXME: assuming either mono or stereo  
         if (pSample->Channels == 2) { // Stereo Sample  
             if (pSample->LoopPlayCount) {  
                 // render loop (loop count limited)  
                 while (i < Samples && LoopCyclesLeft) {  
                     InterpolateStereo(pSrc, i);  
                     if (Pos > pSample->LoopEnd) {  
                         Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);;  
                         LoopCyclesLeft--;  
                     }  
                 }  
                 // render on without loop  
                 while (i < Samples) InterpolateStereo(pSrc, i);  
             }  
             else { // render loop (endless loop)  
                 while (i < Samples) {  
                     InterpolateStereo(pSrc, i);  
                     if (Pos > pSample->LoopEnd) {  
                         Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);  
                     }  
                 }  
             }  
         }  
         else { // Mono Sample  
             if (pSample->LoopPlayCount) {  
                 // render loop (loop count limited)  
                 while (i < Samples && LoopCyclesLeft) {  
                     InterpolateMono(pSrc, i);  
                     if (Pos > pSample->LoopEnd) {  
                         Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);;  
                         LoopCyclesLeft--;  
                     }  
                 }  
                 // render on without loop  
                 while (i < Samples) InterpolateMono(pSrc, i);  
             }  
             else { // render loop (endless loop)  
                 while (i < Samples) {  
                     InterpolateMono(pSrc, i);  
                     if (Pos > pSample->LoopEnd) {  
                         Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);;  
                     }  
                 }  
             }  
         }  
1003      }      }
1004    
1005      /**      /**
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