engines/sfz/SfzSignalUnitRack.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2011 Grigor Iliev                                       *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "SfzSignalUnitRack.h"
#include "Voice.h"
#include <SF.h>

namespace LinuxSampler { namespace sfz {
    
    SfzSignalUnit::SfzSignalUnit(SfzSignalUnitRack* rack): SignalUnit(rack), pVoice(rack->pVoice) {
        
    }
    
    double SfzSignalUnit::GetSampleRate() {
        return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
    }
    
    float SfzSignalUnit::GetInfluence(ArrayList< ::sfz::CC>& cc) {
        float f = 0;
        for (int i = 0; i < cc.size(); i++) {
            int val = pVoice->GetControllerValue(cc[i].Controller);
            f += (val / 127.0f) * cc[i].Influence;
        }
        return f;
    }
    
    
    void EGv2Unit::Trigger() {
        egInfo = *pEGInfo;
        for (int i = 0; i < egInfo.node.size(); i++) {
            float f = GetInfluence(egInfo.node[i].level_oncc);
            egInfo.node[i].level = std::min(egInfo.node[i].level + f, 1.0f);
            
            f = GetInfluence(egInfo.node[i].time_oncc);
            egInfo.node[i].time = std::min(egInfo.node[i].time + f, 100.0f);
        }
        EG.trigger(egInfo, GetSampleRate(), pVoice->MIDIVelocity);
    }
    
    
    void PitchEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        depth = pRegion->pitcheg_depth;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->pitcheg_start * 10),
                   std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
                   std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
                   std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void FilEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        depth = pRegion->fileg_depth;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->fileg_start * 10),
                   std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
                   std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
                   std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void AmpEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        float delay = pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease;
        delay += GetInfluence(pRegion->ampeg_delaycc);
        uiDelayTrigger = std::max(0.0f, delay) * GetSampleRate();
        
        float start = (pRegion->ampeg_start + GetInfluence(pRegion->ampeg_startcc)) * 10;
        
        float attack = pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease;
        attack = std::max(0.0f, attack + GetInfluence(pRegion->ampeg_attackcc));
        
        float hold = pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease;
        hold = std::max(0.0f, hold + GetInfluence(pRegion->ampeg_holdcc));
        
        float decay = pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease;
        decay = std::max(0.0f, decay + GetInfluence(pRegion->ampeg_decaycc));
        
        float sustain = pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease;
        sustain = 10 * (sustain + GetInfluence(pRegion->ampeg_sustaincc));
        
        float release = pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease;
        release = std::max(0.0f, release + GetInfluence(pRegion->ampeg_releasecc));
        
        EG.trigger (
            uint(std::min(std::max(0.0f, start), 1000.0f)), attack, hold, decay,
            uint(std::min(std::max(0.0f, sustain), 1000.0f)), release, GetSampleRate()
        );
    }
    
    
    LFOUnit::LFOUnit(SfzSignalUnitRack* rack)
        : SfzSignalUnit(rack), pLfoInfo(NULL), pLFO(NULL),
          suFadeEG(rack), suFreqOnCC(rack, this)
    { }
    
    LFOUnit::LFOUnit(const LFOUnit& Unit)
        : SfzSignalUnit(Unit), suFadeEG(static_cast<SfzSignalUnitRack*>(Unit.pRack)),
          suFreqOnCC(static_cast<SfzSignalUnitRack*>(Unit.pRack), this)
    {
        Copy(Unit);
    }

    void LFOUnit::Increment() {
        if (DelayStage()) return;
        
        SignalUnit::Increment();
        
        Level = pLFO->Render();
        if (suFadeEG.Active()) Level *= suFadeEG.GetLevel();
    }
    
    void LFOUnit::Trigger() {
        //reset
        Level = 0;
        
        // set the delay trigger
        uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
        if(pLfoInfo->fade != 0 || !pLfoInfo->fade_oncc.empty()) {
            float f = pLfoInfo->fade;
            f += GetInfluence(pLfoInfo->fade_oncc);
            
            if (f != 0) {
                suFadeEG.uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
                suFadeEG.EG.trigger(0, f, 0, 0, 1000, 0, GetSampleRate());
            }
        }
    }
    
    void LFOUnit::ValueChanged(CCSignalUnit* pUnit) {
        pLFO->SetFrequency(std::max(0.0f, suFreqOnCC.GetLevel() + pLfoInfo->freq), GetSampleRate());
    }
    
    
    void LFOv1Unit::Trigger() {
        LFOUnit::Trigger();
        
        lfo.trigger (
            pLfoInfo->freq + suFreqOnCC.GetLevel(),
            start_level_mid,
            1, 0, false, GetSampleRate()
        );
        lfo.update(0);
    }
    
    
    LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
        : LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
          lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f),
          suPitchOnCC(rack)
    {
        lfos.add(&lfo0);
        lfos.add(&lfo1);
        lfos.add(&lfo2);
        lfos.add(&lfo3);
        lfos.add(&lfo4);
        lfos.add(&lfo5);
        lfos.add(&lfo6);
        lfos.add(&lfo7);
    }
    
    void LFOv2Unit::Trigger() {
        LFOUnit::Trigger();
        
        if (pLfoInfo->wave < 0 || pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
        else pLFO = lfos[pLfoInfo->wave];
        
        pLFO->Trigger (
            pLfoInfo->freq + suFreqOnCC.GetLevel(),
            start_level_mid,
            1, 0, false, GetSampleRate()
        );
        pLFO->Update(0);
        
        float phase = pLfoInfo->phase + GetInfluence(pLfoInfo->phase_oncc);
        if (phase != 0) pLFO->SetPhase(phase);
    }
    
    void AmpLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay  = pRegion->amplfo_delay;
        pLfoInfo->freq   = pRegion->amplfo_freq;
        pLfoInfo->fade   = pRegion->amplfo_fade;
        pLfoInfo->volume = pRegion->amplfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    void PitchLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->pitchlfo_delay;
        pLfoInfo->freq  = pRegion->pitchlfo_freq;
        pLfoInfo->fade  = pRegion->pitchlfo_fade;
        pLfoInfo->pitch = pRegion->pitchlfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    void FilLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay  = pRegion->fillfo_delay;
        pLfoInfo->freq   = pRegion->fillfo_freq;
        pLfoInfo->fade   = pRegion->fillfo_fade;
        pLfoInfo->cutoff = pRegion->fillfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    CCUnit::CCUnit(SfzSignalUnitRack* rack, Listener* l): CCSignalUnit(rack, l) {
        pVoice = NULL;
    }
    
    void CCUnit::Trigger() {
        for (int i = 0; i < Ctrls.size(); i++) {
            Ctrls[i].Value = pVoice->GetControllerValue(Ctrls[i].Controller);
            if (Ctrls[i].pSmoother != NULL) Ctrls[i].pSmoother->setValue(Ctrls[i].Value);
        }
        CCSignalUnit::Trigger();
    }
    
     void CCUnit::SetCCs(::sfz::Array<int>& cc) {
         RemoveAllCCs();
         for (int i = 0; i < 128; i++) {
             if (cc[i] != 0) AddCC(i, cc[i]);
         }
     }
    
     void CCUnit::SetCCs(ArrayList< ::sfz::CC>& cc) {
         RemoveAllCCs();
         for (int i = 0; i < cc.size(); i++) {
             if (cc[i].Influence != 0) {
                 short int curve = cc[i].Curve;
                 if (curve >= GetCurveCount()) curve = -1;
                 AddSmoothCC(cc[i].Controller, cc[i].Influence, curve, cc[i].Smooth);
             }
         }
     }
     
     void CCUnit::AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth) {
         AddCC(Controller, Influence, Curve);
     }
     
     int CCUnit::GetCurveCount() {
         return pVoice->pRegion->GetInstrument()->curves.size();
     }
     
     ::sfz::Curve* CCUnit::GetCurve(int idx) { 
         return &pVoice->pRegion->GetInstrument()->curves[idx];
     }
     
     double CCUnit::GetSampleRate() {
        return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
    }
     
     void SmoothCCUnit::AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth) {
         if (Smooth > 0) {
             Smoothers[Controller].trigger(Smooth / 1000.0f, GetSampleRate());
             AddCC(Controller, Influence, Curve, &Smoothers[Controller]);
         } else {
             AddCC(Controller, Influence, Curve);
         }
     }


    EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
        
    }
    
    SfzSignalUnitRack* const EndpointUnit::GetRack() {
        return static_cast<SfzSignalUnitRack* const>(pRack);
    }
    
    void EndpointUnit::Trigger() {
        
    }
    
    bool EndpointUnit::Active() {
        if (GetRack()->suVolEG.Active()) return true;
        
        bool b = false;
        for (int i = 0; i < GetRack()->volEGs.size(); i++) {
            if (GetRack()->volEGs[i]->Active()) { b = true; break; }
        }
        
        return b;
    }
    
    float EndpointUnit::GetVolume() {
        float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
        
        for (int i = 0; i < GetRack()->volEGs.size(); i++) {
            EGv2Unit* eg = GetRack()->volEGs[i];
            if (!eg->Active()) continue;
            vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
            
        }
        
        AmpLFOUnit* u = &(GetRack()->suAmpLFO);
        vol *= u->Active() ? ::sf2::ToRatio((u->GetLevel() * u->pLfoInfo->volume) * 10.0) : 1;
        
        vol *= ::sf2::ToRatio(GetRack()->suVolOnCC.GetLevel() * 10.0);
        
        return vol;
    }
    
    float EndpointUnit::GetFilterCutoff() {
        float val;
        
        FilLFOUnit* u = &(GetRack()->suFilLFO);
        val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
        
        FilEGUnit* u2 = &(GetRack()->suFilEG);
        val *= u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() * u2->depth) : 1;
        
        for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->filLFOs[i];
            if (!lfo->Active()) continue;
            
            float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
            val *= RTMath::CentsToFreqRatioUnlimited(f);
        }
        
        return val;
    }
    
    float EndpointUnit::GetPitch() {
        double p;
        EGv1Unit* u = &(GetRack()->suPitchEG);
        p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
        
        PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
        CCSignalUnit* u3 = &(GetRack()->suPitchLFO.suDepthCC);
        float f = u3->Active() ? u3->GetLevel() : 0;
        p *= u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() * (u2->pLfoInfo->pitch + f)) : 1;
        
        for (int i = 0; i < GetRack()->pitchLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->pitchLFOs[i];
            if (!lfo->Active()) continue;
            
            float f = lfo->suPitchOnCC.Active() ? lfo->suPitchOnCC.GetLevel() : 0;
            p *= RTMath::CentsToFreqRatioUnlimited(lfo->GetLevel() * (lfo->pLfoInfo->pitch + f));
        }
        
        return p;
    }
    
    float EndpointUnit::GetResonance() {
         float val = 0;
        
        for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->resLFOs[i];
            if (!lfo->Active()) continue;
            
            val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
        }
        
        return val;
    }
    
    float EndpointUnit::GetPan() {
        float pan = 0;
        
        for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->panLFOs[i];
            if (!lfo->Active()) continue;
            
            pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
        }
        
        if(pan < -100) return -100;
        if(pan >  100) return  100;
        
        return pan;
    }
    
    
    SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
        : SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
        EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount), suVolOnCC(this),
        suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
        LFOs(maxLfoCount), pitchLFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
    {
        suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
        suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = suVolOnCC.pVoice = voice;
        suPitchLFO.suDepthCC.pVoice = suPitchLFO.suFadeEG.pVoice = suPitchLFO.suFreqOnCC.pVoice = voice;
        suFilLFO.suFadeEG.pVoice = suFilLFO.suFreqOnCC.pVoice = voice;
        suAmpLFO.suFadeEG.pVoice = suAmpLFO.suFreqOnCC.pVoice = voice;
        
        for (int i = 0; i < EGs.capacity(); i++) {
            EGs[i] = new EGv2Unit(this);
            EGs[i]->pVoice = voice;
        }
        
        for (int i = 0; i < LFOs.capacity(); i++) {
            LFOs[i] = new LFOv2Unit(this);
            LFOs[i]->pVoice = voice;
            LFOs[i]->suFadeEG.pVoice = voice;
            LFOs[i]->suPitchOnCC.pVoice = voice;
            LFOs[i]->suFreqOnCC.pVoice = voice;
        }
    }
    
    SfzSignalUnitRack::~SfzSignalUnitRack() {
        for (int i = 0; i < EGs.capacity(); i++) {
            delete EGs[i]; EGs[i] = NULL;
        }
        
        for (int i = 0; i < LFOs.capacity(); i++) {
            delete LFOs[i]; LFOs[i] = NULL;
        }
    }
    
    void SfzSignalUnitRack::Trigger() {
        EGs.clear();
        volEGs.clear();
        pitchEGs.clear();
        
        LFOs.clear();
        pitchLFOs.clear();
        filLFOs.clear();
        resLFOs.clear();
        panLFOs.clear();
        
        ::sfz::Region* const pRegion = pVoice->pRegion;
        
        suVolOnCC.SetCCs(pRegion->volume_oncc);
        
        for (int i = 0; i < pRegion->eg.size(); i++) {
            if (pRegion->eg[i].node.size() == 0) continue;
            
            if(EGs.size() < EGs.capacity()) {
                EGv2Unit eg(this);
                eg.pEGInfo = &(pRegion->eg[i]);
                EGs.increment()->Copy(eg);
            } else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
            
            if (pRegion->eg[i].amplitude > 0) {
                if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
                else std::cerr << "Maximum number of EGs reached!" << std::endl;
            }
        }
        
        if (pRegion->ampeg_sustain == -1) {
            if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
            else pRegion->ampeg_sustain = 100;
        }
        
        // LFO
        for (int i = 0; i < pRegion->lfos.size(); i++) {
            if (pRegion->lfos[i].freq == -1) continue; // Not initialized
            
            if(LFOs.size() < LFOs.capacity()) {
                LFOv2Unit lfo(this);
                lfo.pLfoInfo = &(pRegion->lfos[i]);
                LFOs.increment()->Copy(lfo);
                LFOs[LFOs.size() - 1]->suPitchOnCC.SetCCs(pRegion->lfos[i].pitch_oncc);
                LFOs[LFOs.size() - 1]->suFreqOnCC.SetCCs(pRegion->lfos[i].freq_oncc);
            } else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
            
            if (pRegion->lfos[i].pitch != 0 || !pRegion->lfos[i].pitch_oncc.empty()) {
                if(pitchLFOs.size() < pitchLFOs.capacity()) pitchLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].cutoff != 0) {
                if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].resonance != 0) {
                if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].pan != 0) {
                if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
        }
        
        suPitchLFO.suDepthCC.SetCCs(pRegion->pitchlfo_depthcc);
        suPitchLFO.suFreqOnCC.SetCCs(pRegion->pitchlfo_freqcc);
        
        suFilLFO.suFreqOnCC.SetCCs(pRegion->fillfo_freqcc);
        
        suAmpLFO.suFreqOnCC.SetCCs(pRegion->amplfo_freqcc);
        
        Units.clear();
        
        Units.add(&suVolOnCC);
        
        Units.add(&suVolEG);
        Units.add(&suFilEG);
        Units.add(&suPitchEG);
        
        Units.add(&suPitchLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
        Units.add(&suPitchLFO);
        Units.add(&suPitchLFO.suDepthCC);
        Units.add(&suPitchLFO.suFadeEG);
        
        Units.add(&suAmpLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
        Units.add(&suAmpLFO);
        Units.add(&suAmpLFO.suFadeEG);
        
        Units.add(&suFilLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
        Units.add(&suFilLFO);
        Units.add(&suFilLFO.suFadeEG);
        
        for (int i = 0; i < EGs.size(); i++) {
            Units.add(EGs[i]);
        }
        
        for (int i = 0; i < LFOs.size(); i++) {
            Units.add(&(LFOs[i]->suFreqOnCC)); // Don't change order! (should be triggered before the LFO)
            Units.add(LFOs[i]);
            Units.add(&(LFOs[i]->suFadeEG));
            Units.add(&(LFOs[i]->suPitchOnCC));
        }
        
        Units.add(&suEndpoint);
        
        SignalUnitRack::Trigger();
    }
    
    EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
        return &suEndpoint;
    }
    
    void SfzSignalUnitRack::EnterFadeOutStage() {
        suVolEG.EG.enterFadeOutStage();
        
        for (int i = 0; i < volEGs.size(); i++) {
            volEGs[i]->EG.enterFadeOutStage();
        }
    }
    
}} // namespace LinuxSampler::sfz
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2011 Grigor Iliev *
6	* *
7	* This program is free software; you can redistribute it and/or modify *
8	* it under the terms of the GNU General Public License as published by *
9	* the Free Software Foundation; either version 2 of the License, or *
10	* (at your option) any later version. *
11	* *
12	* This program is distributed in the hope that it will be useful, *
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15	* GNU General Public License for more details. *
16	* *
17	* You should have received a copy of the GNU General Public License *
18	* along with this program; if not, write to the Free Software *
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20	* MA 02111-1307 USA *
21	***************************************************************************/
22
23	#include "SfzSignalUnitRack.h"
24	#include "Voice.h"
25	#include <SF.h>
26
27	namespace LinuxSampler { namespace sfz {
28
29	SfzSignalUnit::SfzSignalUnit(SfzSignalUnitRack* rack): SignalUnit(rack), pVoice(rack->pVoice) {
30
31	}
32
33	double SfzSignalUnit::GetSampleRate() {
34	return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
35	}
36
37	float SfzSignalUnit::GetInfluence(ArrayList< ::sfz::CC>& cc) {
38	float f = 0;
39	for (int i = 0; i < cc.size(); i++) {
40	int val = pVoice->GetControllerValue(cc[i].Controller);
41	f += (val / 127.0f) * cc[i].Influence;
42	}
43	return f;
44	}
45
46
47	void EGv2Unit::Trigger() {
48	egInfo = *pEGInfo;
49	for (int i = 0; i < egInfo.node.size(); i++) {
50	float f = GetInfluence(egInfo.node[i].level_oncc);
51	egInfo.node[i].level = std::min(egInfo.node[i].level + f, 1.0f);
52
53	f = GetInfluence(egInfo.node[i].time_oncc);
54	egInfo.node[i].time = std::min(egInfo.node[i].time + f, 100.0f);
55	}
56	EG.trigger(egInfo, GetSampleRate(), pVoice->MIDIVelocity);
57	}
58
59
60	void PitchEGUnit::Trigger() {
61	::sfz::Region* const pRegion = pVoice->pRegion;
62	depth = pRegion->pitcheg_depth;
63
64	// the length of the decay and release curves are dependent on the velocity
65	const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
66
67	// set the delay trigger
68	uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
69
70	EG.trigger(uint(pRegion->pitcheg_start * 10),
71	std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
72	std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
73	std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
74	uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
75	std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
76	GetSampleRate());
77	}
78
79
80	void FilEGUnit::Trigger() {
81	::sfz::Region* const pRegion = pVoice->pRegion;
82	depth = pRegion->fileg_depth;
83
84	// the length of the decay and release curves are dependent on the velocity
85	const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
86
87	// set the delay trigger
88	uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
89
90	EG.trigger(uint(pRegion->fileg_start * 10),
91	std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
92	std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
93	std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
94	uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
95	std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
96	GetSampleRate());
97	}
98
99
100	void AmpEGUnit::Trigger() {
101	::sfz::Region* const pRegion = pVoice->pRegion;
102
103	// the length of the decay and release curves are dependent on the velocity
104	const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
105
106	// set the delay trigger
107	float delay = pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease;
108	delay += GetInfluence(pRegion->ampeg_delaycc);
109	uiDelayTrigger = std::max(0.0f, delay) * GetSampleRate();
110
111	float start = (pRegion->ampeg_start + GetInfluence(pRegion->ampeg_startcc)) * 10;
112
113	float attack = pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease;
114	attack = std::max(0.0f, attack + GetInfluence(pRegion->ampeg_attackcc));
115
116	float hold = pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease;
117	hold = std::max(0.0f, hold + GetInfluence(pRegion->ampeg_holdcc));
118
119	float decay = pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease;
120	decay = std::max(0.0f, decay + GetInfluence(pRegion->ampeg_decaycc));
121
122	float sustain = pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease;
123	sustain = 10 * (sustain + GetInfluence(pRegion->ampeg_sustaincc));
124
125	float release = pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease;
126	release = std::max(0.0f, release + GetInfluence(pRegion->ampeg_releasecc));
127
128	EG.trigger (
129	uint(std::min(std::max(0.0f, start), 1000.0f)), attack, hold, decay,
130	uint(std::min(std::max(0.0f, sustain), 1000.0f)), release, GetSampleRate()
131	);
132	}
133
134
135	LFOUnit::LFOUnit(SfzSignalUnitRack* rack)
136	: SfzSignalUnit(rack), pLfoInfo(NULL), pLFO(NULL),
137	suFadeEG(rack), suFreqOnCC(rack, this)
138	{ }
139
140	LFOUnit::LFOUnit(const LFOUnit& Unit)
141	: SfzSignalUnit(Unit), suFadeEG(static_cast<SfzSignalUnitRack*>(Unit.pRack)),
142	suFreqOnCC(static_cast<SfzSignalUnitRack*>(Unit.pRack), this)
143	{
144	Copy(Unit);
145	}
146
147	void LFOUnit::Increment() {
148	if (DelayStage()) return;
149
150	SignalUnit::Increment();
151
152	Level = pLFO->Render();
153	if (suFadeEG.Active()) Level *= suFadeEG.GetLevel();
154	}
155
156	void LFOUnit::Trigger() {
157	//reset
158	Level = 0;
159
160	// set the delay trigger
161	uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
162	if(pLfoInfo->fade != 0 \|\| !pLfoInfo->fade_oncc.empty()) {
163	float f = pLfoInfo->fade;
164	f += GetInfluence(pLfoInfo->fade_oncc);
165
166	if (f != 0) {
167	suFadeEG.uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
168	suFadeEG.EG.trigger(0, f, 0, 0, 1000, 0, GetSampleRate());
169	}
170	}
171	}
172
173	void LFOUnit::ValueChanged(CCSignalUnit* pUnit) {
174	pLFO->SetFrequency(std::max(0.0f, suFreqOnCC.GetLevel() + pLfoInfo->freq), GetSampleRate());
175	}
176
177
178	void LFOv1Unit::Trigger() {
179	LFOUnit::Trigger();
180
181	lfo.trigger (
182	pLfoInfo->freq + suFreqOnCC.GetLevel(),
183	start_level_mid,
184	1, 0, false, GetSampleRate()
185	);
186	lfo.update(0);
187	}
188
189
190	LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
191	: LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
192	lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f),
193	suPitchOnCC(rack)
194	{
195	lfos.add(&lfo0);
196	lfos.add(&lfo1);
197	lfos.add(&lfo2);
198	lfos.add(&lfo3);
199	lfos.add(&lfo4);
200	lfos.add(&lfo5);
201	lfos.add(&lfo6);
202	lfos.add(&lfo7);
203	}
204
205	void LFOv2Unit::Trigger() {
206	LFOUnit::Trigger();
207
208	if (pLfoInfo->wave < 0 \|\| pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
209	else pLFO = lfos[pLfoInfo->wave];
210
211	pLFO->Trigger (
212	pLfoInfo->freq + suFreqOnCC.GetLevel(),
213	start_level_mid,
214	1, 0, false, GetSampleRate()
215	);
216	pLFO->Update(0);
217
218	float phase = pLfoInfo->phase + GetInfluence(pLfoInfo->phase_oncc);
219	if (phase != 0) pLFO->SetPhase(phase);
220	}
221
222	void AmpLFOUnit::Trigger() {
223	::sfz::Region* const pRegion = pVoice->pRegion;
224	pLfoInfo->delay = pRegion->amplfo_delay;
225	pLfoInfo->freq = pRegion->amplfo_freq;
226	pLfoInfo->fade = pRegion->amplfo_fade;
227	pLfoInfo->volume = pRegion->amplfo_depth;
228
229	LFOv1Unit::Trigger();
230	}
231
232	void PitchLFOUnit::Trigger() {
233	::sfz::Region* const pRegion = pVoice->pRegion;
234	pLfoInfo->delay = pRegion->pitchlfo_delay;
235	pLfoInfo->freq = pRegion->pitchlfo_freq;
236	pLfoInfo->fade = pRegion->pitchlfo_fade;
237	pLfoInfo->pitch = pRegion->pitchlfo_depth;
238
239	LFOv1Unit::Trigger();
240	}
241
242	void FilLFOUnit::Trigger() {
243	::sfz::Region* const pRegion = pVoice->pRegion;
244	pLfoInfo->delay = pRegion->fillfo_delay;
245	pLfoInfo->freq = pRegion->fillfo_freq;
246	pLfoInfo->fade = pRegion->fillfo_fade;
247	pLfoInfo->cutoff = pRegion->fillfo_depth;
248
249	LFOv1Unit::Trigger();
250	}
251
252	CCUnit::CCUnit(SfzSignalUnitRack* rack, Listener* l): CCSignalUnit(rack, l) {
253	pVoice = NULL;
254	}
255
256	void CCUnit::Trigger() {
257	for (int i = 0; i < Ctrls.size(); i++) {
258	Ctrls[i].Value = pVoice->GetControllerValue(Ctrls[i].Controller);
259	if (Ctrls[i].pSmoother != NULL) Ctrls[i].pSmoother->setValue(Ctrls[i].Value);
260	}
261	CCSignalUnit::Trigger();
262	}
263
264	void CCUnit::SetCCs(::sfz::Array<int>& cc) {
265	RemoveAllCCs();
266	for (int i = 0; i < 128; i++) {
267	if (cc[i] != 0) AddCC(i, cc[i]);
268	}
269	}
270
271	void CCUnit::SetCCs(ArrayList< ::sfz::CC>& cc) {
272	RemoveAllCCs();
273	for (int i = 0; i < cc.size(); i++) {
274	if (cc[i].Influence != 0) {
275	short int curve = cc[i].Curve;
276	if (curve >= GetCurveCount()) curve = -1;
277	AddSmoothCC(cc[i].Controller, cc[i].Influence, curve, cc[i].Smooth);
278	}
279	}
280	}
281
282	void CCUnit::AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth) {
283	AddCC(Controller, Influence, Curve);
284	}
285
286	int CCUnit::GetCurveCount() {
287	return pVoice->pRegion->GetInstrument()->curves.size();
288	}
289
290	::sfz::Curve* CCUnit::GetCurve(int idx) {
291	return &pVoice->pRegion->GetInstrument()->curves[idx];
292	}
293
294	double CCUnit::GetSampleRate() {
295	return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
296	}
297
298	void SmoothCCUnit::AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth) {
299	if (Smooth > 0) {
300	Smoothers[Controller].trigger(Smooth / 1000.0f, GetSampleRate());
301	AddCC(Controller, Influence, Curve, &Smoothers[Controller]);
302	} else {
303	AddCC(Controller, Influence, Curve);
304	}
305	}
306
307
308	EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
309
310	}
311
312	SfzSignalUnitRack* const EndpointUnit::GetRack() {
313	return static_cast<SfzSignalUnitRack* const>(pRack);
314	}
315
316	void EndpointUnit::Trigger() {
317
318	}
319
320	bool EndpointUnit::Active() {
321	if (GetRack()->suVolEG.Active()) return true;
322
323	bool b = false;
324	for (int i = 0; i < GetRack()->volEGs.size(); i++) {
325	if (GetRack()->volEGs[i]->Active()) { b = true; break; }
326	}
327
328	return b;
329	}
330
331	float EndpointUnit::GetVolume() {
332	float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
333
334	for (int i = 0; i < GetRack()->volEGs.size(); i++) {
335	EGv2Unit* eg = GetRack()->volEGs[i];
336	if (!eg->Active()) continue;
337	vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
338
339	}
340
341	AmpLFOUnit* u = &(GetRack()->suAmpLFO);
342	vol = u->Active() ? ::sf2::ToRatio((u->GetLevel() u->pLfoInfo->volume) * 10.0) : 1;
343
344	vol = ::sf2::ToRatio(GetRack()->suVolOnCC.GetLevel() 10.0);
345
346	return vol;
347	}
348
349	float EndpointUnit::GetFilterCutoff() {
350	float val;
351
352	FilLFOUnit* u = &(GetRack()->suFilLFO);
353	val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
354
355	FilEGUnit* u2 = &(GetRack()->suFilEG);
356	val = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->depth) : 1;
357
358	for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
359	LFOv2Unit* lfo = GetRack()->filLFOs[i];
360	if (!lfo->Active()) continue;
361
362	float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
363	val *= RTMath::CentsToFreqRatioUnlimited(f);
364	}
365
366	return val;
367	}
368
369	float EndpointUnit::GetPitch() {
370	double p;
371	EGv1Unit* u = &(GetRack()->suPitchEG);
372	p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
373
374	PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
375	CCSignalUnit* u3 = &(GetRack()->suPitchLFO.suDepthCC);
376	float f = u3->Active() ? u3->GetLevel() : 0;
377	p = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() (u2->pLfoInfo->pitch + f)) : 1;
378
379	for (int i = 0; i < GetRack()->pitchLFOs.size(); i++) {
380	LFOv2Unit* lfo = GetRack()->pitchLFOs[i];
381	if (!lfo->Active()) continue;
382
383	float f = lfo->suPitchOnCC.Active() ? lfo->suPitchOnCC.GetLevel() : 0;
384	p = RTMath::CentsToFreqRatioUnlimited(lfo->GetLevel() (lfo->pLfoInfo->pitch + f));
385	}
386
387	return p;
388	}
389
390	float EndpointUnit::GetResonance() {
391	float val = 0;
392
393	for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
394	LFOv2Unit* lfo = GetRack()->resLFOs[i];
395	if (!lfo->Active()) continue;
396
397	val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
398	}
399
400	return val;
401	}
402
403	float EndpointUnit::GetPan() {
404	float pan = 0;
405
406	for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
407	LFOv2Unit* lfo = GetRack()->panLFOs[i];
408	if (!lfo->Active()) continue;
409
410	pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
411	}
412
413	if(pan < -100) return -100;
414	if(pan > 100) return 100;
415
416	return pan;
417	}
418
419
420	SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
421	: SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
422	EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount), suVolOnCC(this),
423	suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
424	LFOs(maxLfoCount), pitchLFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
425	{
426	suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
427	suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = suVolOnCC.pVoice = voice;
428	suPitchLFO.suDepthCC.pVoice = suPitchLFO.suFadeEG.pVoice = suPitchLFO.suFreqOnCC.pVoice = voice;
429	suFilLFO.suFadeEG.pVoice = suFilLFO.suFreqOnCC.pVoice = voice;
430	suAmpLFO.suFadeEG.pVoice = suAmpLFO.suFreqOnCC.pVoice = voice;
431
432	for (int i = 0; i < EGs.capacity(); i++) {
433	EGs[i] = new EGv2Unit(this);
434	EGs[i]->pVoice = voice;
435	}
436
437	for (int i = 0; i < LFOs.capacity(); i++) {
438	LFOs[i] = new LFOv2Unit(this);
439	LFOs[i]->pVoice = voice;
440	LFOs[i]->suFadeEG.pVoice = voice;
441	LFOs[i]->suPitchOnCC.pVoice = voice;
442	LFOs[i]->suFreqOnCC.pVoice = voice;
443	}
444	}
445
446	SfzSignalUnitRack::~SfzSignalUnitRack() {
447	for (int i = 0; i < EGs.capacity(); i++) {
448	delete EGs[i]; EGs[i] = NULL;
449	}
450
451	for (int i = 0; i < LFOs.capacity(); i++) {
452	delete LFOs[i]; LFOs[i] = NULL;
453	}
454	}
455
456	void SfzSignalUnitRack::Trigger() {
457	EGs.clear();
458	volEGs.clear();
459	pitchEGs.clear();
460
461	LFOs.clear();
462	pitchLFOs.clear();
463	filLFOs.clear();
464	resLFOs.clear();
465	panLFOs.clear();
466
467	::sfz::Region* const pRegion = pVoice->pRegion;
468
469	suVolOnCC.SetCCs(pRegion->volume_oncc);
470
471	for (int i = 0; i < pRegion->eg.size(); i++) {
472	if (pRegion->eg[i].node.size() == 0) continue;
473
474	if(EGs.size() < EGs.capacity()) {
475	EGv2Unit eg(this);
476	eg.pEGInfo = &(pRegion->eg[i]);
477	EGs.increment()->Copy(eg);
478	} else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
479
480	if (pRegion->eg[i].amplitude > 0) {
481	if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
482	else std::cerr << "Maximum number of EGs reached!" << std::endl;
483	}
484	}
485
486	if (pRegion->ampeg_sustain == -1) {
487	if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
488	else pRegion->ampeg_sustain = 100;
489	}
490
491	// LFO
492	for (int i = 0; i < pRegion->lfos.size(); i++) {
493	if (pRegion->lfos[i].freq == -1) continue; // Not initialized
494
495	if(LFOs.size() < LFOs.capacity()) {
496	LFOv2Unit lfo(this);
497	lfo.pLfoInfo = &(pRegion->lfos[i]);
498	LFOs.increment()->Copy(lfo);
499	LFOs[LFOs.size() - 1]->suPitchOnCC.SetCCs(pRegion->lfos[i].pitch_oncc);
500	LFOs[LFOs.size() - 1]->suFreqOnCC.SetCCs(pRegion->lfos[i].freq_oncc);
501	} else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
502
503	if (pRegion->lfos[i].pitch != 0 \|\| !pRegion->lfos[i].pitch_oncc.empty()) {
504	if(pitchLFOs.size() < pitchLFOs.capacity()) pitchLFOs.add(LFOs[LFOs.size() - 1]);
505	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
506	}
507
508	if (pRegion->lfos[i].cutoff != 0) {
509	if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
510	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
511	}
512
513	if (pRegion->lfos[i].resonance != 0) {
514	if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
515	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
516	}
517
518	if (pRegion->lfos[i].pan != 0) {
519	if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
520	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
521	}
522	}
523
524	suPitchLFO.suDepthCC.SetCCs(pRegion->pitchlfo_depthcc);
525	suPitchLFO.suFreqOnCC.SetCCs(pRegion->pitchlfo_freqcc);
526
527	suFilLFO.suFreqOnCC.SetCCs(pRegion->fillfo_freqcc);
528
529	suAmpLFO.suFreqOnCC.SetCCs(pRegion->amplfo_freqcc);
530
531	Units.clear();
532
533	Units.add(&suVolOnCC);
534
535	Units.add(&suVolEG);
536	Units.add(&suFilEG);
537	Units.add(&suPitchEG);
538
539	Units.add(&suPitchLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
540	Units.add(&suPitchLFO);
541	Units.add(&suPitchLFO.suDepthCC);
542	Units.add(&suPitchLFO.suFadeEG);
543
544	Units.add(&suAmpLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
545	Units.add(&suAmpLFO);
546	Units.add(&suAmpLFO.suFadeEG);
547
548	Units.add(&suFilLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
549	Units.add(&suFilLFO);
550	Units.add(&suFilLFO.suFadeEG);
551
552	for (int i = 0; i < EGs.size(); i++) {
553	Units.add(EGs[i]);
554	}
555
556	for (int i = 0; i < LFOs.size(); i++) {
557	Units.add(&(LFOs[i]->suFreqOnCC)); // Don't change order! (should be triggered before the LFO)
558	Units.add(LFOs[i]);
559	Units.add(&(LFOs[i]->suFadeEG));
560	Units.add(&(LFOs[i]->suPitchOnCC));
561	}
562
563	Units.add(&suEndpoint);
564
565	SignalUnitRack::Trigger();
566	}
567
568	EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
569	return &suEndpoint;
570	}
571
572	void SfzSignalUnitRack::EnterFadeOutStage() {
573	suVolEG.EG.enterFadeOutStage();
574
575	for (int i = 0; i < volEGs.size(); i++) {
576	volEGs[i]->EG.enterFadeOutStage();
577	}
578	}
579
580	}} // namespace LinuxSampler::sfz