/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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revision 2055 by persson, Sat Jan 30 10:30:02 2010 UTC revision 2396 by schoenebeck, Tue Jan 8 12:00:45 2013 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 - 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 35  namespace LinuxSampler { namespace gig { Line 35  namespace LinuxSampler { namespace gig {
35      Voice::Voice() {      Voice::Voice() {
36          pEngine = NULL;          pEngine = NULL;
37          pEG1 = &EG1;          pEG1 = &EG1;
38            pEG2 = &EG2;
39      }      }
40    
41      Voice::~Voice() {      Voice::~Voice() {
# Line 75  namespace LinuxSampler { namespace gig { Line 76  namespace LinuxSampler { namespace gig {
76          ri.Pan       = pRegion->Pan;          ri.Pan       = pRegion->Pan;
77          ri.SampleStartOffset = pRegion->SampleStartOffset;          ri.SampleStartOffset = pRegion->SampleStartOffset;
78    
         ri.EG1PreAttack        = pRegion->EG1PreAttack;  
         ri.EG1Attack           = pRegion->EG1Attack;  
         ri.EG1Hold             = pRegion->EG1Hold;  
         ri.EG1Decay1           = pRegion->EG1Decay1;  
         ri.EG1Decay2           = pRegion->EG1Decay2;  
         ri.EG1Sustain          = pRegion->EG1Sustain;  
         ri.EG1InfiniteSustain  = pRegion->EG1InfiniteSustain;  
         ri.EG1Release          = pRegion->EG1Release;  
   
79          ri.EG2PreAttack        = pRegion->EG2PreAttack;          ri.EG2PreAttack        = pRegion->EG2PreAttack;
80          ri.EG2Attack           = pRegion->EG2Attack;          ri.EG2Attack           = pRegion->EG2Attack;
81          ri.EG2Decay1           = pRegion->EG2Decay1;          ri.EG2Decay1           = pRegion->EG2Decay1;
# Line 95  namespace LinuxSampler { namespace gig { Line 87  namespace LinuxSampler { namespace gig {
87          ri.EG3Attack     = pRegion->EG3Attack;          ri.EG3Attack     = pRegion->EG3Attack;
88          ri.EG3Depth      = pRegion->EG3Depth;          ri.EG3Depth      = pRegion->EG3Depth;
89          ri.VCFEnabled    = pRegion->VCFEnabled;          ri.VCFEnabled    = pRegion->VCFEnabled;
90          ri.VCFType       = pRegion->VCFType;          ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
91          ri.VCFResonance  = pRegion->VCFResonance;          ri.VCFResonance  = pRegion->VCFResonance;
92    
93          ri.ReleaseTriggerDecay = pRegion->ReleaseTriggerDecay;          ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
94    
95          return ri;          return ri;
96      }      }
# Line 135  namespace LinuxSampler { namespace gig { Line 127  namespace LinuxSampler { namespace gig {
127      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
128          int ccvalue = itEvent->Param.CC.Value;          int ccvalue = itEvent->Param.CC.Value;
129          if (VCFCutoffCtrl.value == ccvalue) return;          if (VCFCutoffCtrl.value == ccvalue) return;
130          VCFCutoffCtrl.value == ccvalue;          VCFCutoffCtrl.value = ccvalue;
131          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
132          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
133          float cutoff = CutoffBase * float(ccvalue);          float cutoff = CutoffBase * float(ccvalue);
# Line 341  namespace LinuxSampler { namespace gig { Line 333  namespace LinuxSampler { namespace gig {
333                  break;                  break;
334              case ::gig::lfo3_ctrl_internal_aftertouch:              case ::gig::lfo3_ctrl_internal_aftertouch:
335                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
336                  pLFO1->ExtController = 128;                  pLFO3->ExtController = 128;
337                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
338                  break;                  break;
339              default:              default:
# Line 363  namespace LinuxSampler { namespace gig { Line 355  namespace LinuxSampler { namespace gig {
355      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
356          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
357          if (pRegion->VCFKeyboardTracking) {          if (pRegion->VCFKeyboardTracking) {
358              cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
359          }          }
360          return cutoff;          return cutoff;
361      }      }
# Line 451  namespace LinuxSampler { namespace gig { Line 443  namespace LinuxSampler { namespace gig {
443      }      }
444    
445      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
446          EG1.trigger(uint(RgnInfo.EG1PreAttack),          EG1.trigger(pRegion->EG1PreAttack,
447                      RgnInfo.EG1Attack * egInfo.Attack,                      pRegion->EG1Attack * egInfo.Attack,
448                      RgnInfo.EG1Hold,                      pRegion->EG1Hold,
449                      RgnInfo.EG1Decay1 * egInfo.Decay * velrelease,                      pRegion->EG1Decay1 * egInfo.Decay * velrelease,
450                      RgnInfo.EG1Decay2 * egInfo.Decay * velrelease,                      pRegion->EG1Decay2 * egInfo.Decay * velrelease,
451                      RgnInfo.EG1InfiniteSustain,                      pRegion->EG1InfiniteSustain,
452                      uint(RgnInfo.EG1Sustain),                      pRegion->EG1Sustain,
453                      RgnInfo.EG1Release * egInfo.Release * velrelease,                      pRegion->EG1Release * egInfo.Release * velrelease,
454                      velocityAttenuation,                      velocityAttenuation,
455                      sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                      sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
456      }      }
457    
458        void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
459            EG2.trigger(uint(RgnInfo.EG2PreAttack),
460                        RgnInfo.EG2Attack * egInfo.Attack,
461                        false,
462                        RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
463                        RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
464                        RgnInfo.EG2InfiniteSustain,
465                        uint(RgnInfo.EG2Sustain),
466                        RgnInfo.EG2Release * egInfo.Release * velrelease,
467                        velocityAttenuation,
468                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
469        }
470    
471        void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
472            dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type));
473    
474            // TODO: The SustainPedal condition could be wrong, maybe the
475            // check should be if this Voice is in release stage or is a
476            // release sample instead. Need to test this in GSt.
477            // -- Andreas
478            //
479            // Commented sustain pedal check out. I don't think voices of the same
480            // note should be stopped at all, because it doesn't sound naturally
481            // with a drumkit.
482            // -- Christian, 2013-01-08
483            if (itEvent->Param.Note.Key != MIDIKey /*||
484                !GetGigEngineChannel()->SustainPedal*/) {
485                dmsg(4,("Voice %x - kill", this));
486    
487                // kill the voice fast
488                pEG1->enterFadeOutStage();
489            }
490        }
491    
492        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
493            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
494        }
495    
496        int Voice::CalculatePan(uint8_t pan) {
497            int p;
498            // Gst behaviour: -64 and 63 are special cases
499            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
500            else if (RgnInfo.Pan == 63) p = pan * 2;
501            else                        p = pan + RgnInfo.Pan;
502    
503            if (p < 0) return 0;
504            if (p > 127) return 127;
505            return p;
506        }
507    
508  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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