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;
    }
    
    
    void EGv1Unit::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
        uiDelayTrigger = (pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->ampeg_start * 10),
                   std::max(0.0, pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease),
                   std::max(0.0, pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease),
                   std::max(0.0, pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void EGv2Unit::Trigger() {
        EG.trigger(*pEGInfo, 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());
    }
    
    
    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;
            for (int i = 0; i < pLfoInfo->fade_oncc.size(); i++) {
                int val = pVoice->GetControllerValue(pLfoInfo->fade_oncc[i].Controller);
                f += (val / 127.0f) * pLfoInfo->fade_oncc[i].Influence;
            }
            
            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(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;
        for (int i = 0; i < pLfoInfo->phase_oncc.size(); i++) {
            int val = pVoice->GetControllerValue(pLfoInfo->phase_oncc[i].Controller);
            phase += (val / 127.0f) * pLfoInfo->phase_oncc[i].Influence;
        }
        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);
        }
        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) AddCC(cc[i].Controller, cc[i].Influence);
         }
     }


    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;
        
        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),
        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 = 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;
        
        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(&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	iliev	2218	/***************************************************************************
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	iliev	2221	#include <SF.h>
26	iliev	2218
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
38			void EGv1Unit::Trigger() {
39			::sfz::Region* const pRegion = pVoice->pRegion;
40	iliev	2220
41	iliev	2218	// the length of the decay and release curves are dependent on the velocity
42			const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
43
44	iliev	2220	// set the delay trigger
45			uiDelayTrigger = (pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease) * GetSampleRate();
46
47	iliev	2218	EG.trigger(uint(pRegion->ampeg_start * 10),
48			std::max(0.0, pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease),
49			std::max(0.0, pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease),
50			std::max(0.0, pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease),
51			uint(std::min(std::max(0.0, 10 * (pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease)), 1000.0)),
52			std::max(0.0, pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease),
53			GetSampleRate());
54			}
55
56	iliev	2220
57	iliev	2218	void EGv2Unit::Trigger() {
58			EG.trigger(*pEGInfo, GetSampleRate(), pVoice->MIDIVelocity);
59			}
60	iliev	2219
61	iliev	2220
62			void PitchEGUnit::Trigger() {
63			::sfz::Region* const pRegion = pVoice->pRegion;
64			depth = pRegion->pitcheg_depth;
65
66			// the length of the decay and release curves are dependent on the velocity
67			const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
68	iliev	2218
69	iliev	2220	// set the delay trigger
70			uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
71
72			EG.trigger(uint(pRegion->pitcheg_start * 10),
73			std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
74			std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
75			std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
76			uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
77			std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
78			GetSampleRate());
79			}
80
81	iliev	2222
82			void FilEGUnit::Trigger() {
83			::sfz::Region* const pRegion = pVoice->pRegion;
84			depth = pRegion->fileg_depth;
85
86			// the length of the decay and release curves are dependent on the velocity
87			const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
88	iliev	2220
89	iliev	2222	// set the delay trigger
90			uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
91
92			EG.trigger(uint(pRegion->fileg_start * 10),
93			std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
94			std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
95			std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
96			uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
97			std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
98			GetSampleRate());
99			}
100
101	iliev	2226
102	iliev	2227	LFOUnit::LFOUnit(SfzSignalUnitRack* rack)
103			: SfzSignalUnit(rack), pLfoInfo(NULL), pLFO(NULL),
104			suFadeEG(rack), suFreqOnCC(rack, this)
105			{ }
106
107			LFOUnit::LFOUnit(const LFOUnit& Unit)
108			: SfzSignalUnit(Unit), suFadeEG(static_cast<SfzSignalUnitRack*>(Unit.pRack)),
109			suFreqOnCC(static_cast<SfzSignalUnitRack*>(Unit.pRack), this)
110			{
111	iliev	2226	Copy(Unit);
112			}
113	iliev	2222
114	iliev	2219	void LFOUnit::Increment() {
115			if (DelayStage()) return;
116
117			SignalUnit::Increment();
118
119	iliev	2223	Level = pLFO->Render();
120	iliev	2226	if (suFadeEG.Active()) Level *= suFadeEG.GetLevel();
121	iliev	2219	}
122
123			void LFOUnit::Trigger() {
124			//reset
125			Level = 0;
126
127			// set the delay trigger
128	iliev	2220	uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
129	iliev	2226	if(pLfoInfo->fade != 0 \|\| !pLfoInfo->fade_oncc.empty()) {
130			float f = pLfoInfo->fade;
131			for (int i = 0; i < pLfoInfo->fade_oncc.size(); i++) {
132			int val = pVoice->GetControllerValue(pLfoInfo->fade_oncc[i].Controller);
133			f += (val / 127.0f) * pLfoInfo->fade_oncc[i].Influence;
134			}
135
136			if (f != 0) {
137			suFadeEG.uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
138			suFadeEG.EG.trigger(0, f, 0, 0, 1000, 0, GetSampleRate());
139			}
140			}
141	iliev	2219	}
142
143	iliev	2227	void LFOUnit::ValueChanged(CCSignalUnit* pUnit) {
144			pLFO->SetFrequency(suFreqOnCC.GetLevel() + pLfoInfo->freq, GetSampleRate());
145			}
146
147
148	iliev	2221	void LFOv1Unit::Trigger() {
149			LFOUnit::Trigger();
150
151			lfo.trigger (
152	iliev	2227	pLfoInfo->freq + suFreqOnCC.GetLevel(),
153	iliev	2221	start_level_mid,
154			1, 0, false, GetSampleRate()
155			);
156			lfo.update(0);
157			}
158
159	iliev	2223
160			LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
161			: LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
162	iliev	2225	lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f),
163			suPitchOnCC(rack)
164	iliev	2223	{
165			lfos.add(&lfo0);
166			lfos.add(&lfo1);
167			lfos.add(&lfo2);
168			lfos.add(&lfo3);
169			lfos.add(&lfo4);
170			lfos.add(&lfo5);
171			lfos.add(&lfo6);
172			lfos.add(&lfo7);
173			}
174
175	iliev	2219	void LFOv2Unit::Trigger() {
176			LFOUnit::Trigger();
177
178	iliev	2223	if (pLfoInfo->wave < 0 \|\| pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
179			else pLFO = lfos[pLfoInfo->wave];
180
181			pLFO->Trigger (
182	iliev	2227	pLfoInfo->freq + suFreqOnCC.GetLevel(),
183	iliev	2219	start_level_mid,
184			1, 0, false, GetSampleRate()
185			);
186	iliev	2223	pLFO->Update(0);
187	iliev	2225
188			float phase = pLfoInfo->phase;
189			for (int i = 0; i < pLfoInfo->phase_oncc.size(); i++) {
190			int val = pVoice->GetControllerValue(pLfoInfo->phase_oncc[i].Controller);
191			phase += (val / 127.0f) * pLfoInfo->phase_oncc[i].Influence;
192			}
193			if (phase != 0) pLFO->SetPhase(phase);
194	iliev	2219	}
195	iliev	2221
196			void AmpLFOUnit::Trigger() {
197			::sfz::Region* const pRegion = pVoice->pRegion;
198	iliev	2226	pLfoInfo->delay = pRegion->amplfo_delay;
199			pLfoInfo->freq = pRegion->amplfo_freq;
200			pLfoInfo->fade = pRegion->amplfo_fade;
201	iliev	2221	pLfoInfo->volume = pRegion->amplfo_depth;
202
203			LFOv1Unit::Trigger();
204			}
205
206			void PitchLFOUnit::Trigger() {
207			::sfz::Region* const pRegion = pVoice->pRegion;
208			pLfoInfo->delay = pRegion->pitchlfo_delay;
209	iliev	2226	pLfoInfo->freq = pRegion->pitchlfo_freq;
210			pLfoInfo->fade = pRegion->pitchlfo_fade;
211	iliev	2221	pLfoInfo->pitch = pRegion->pitchlfo_depth;
212
213			LFOv1Unit::Trigger();
214			}
215
216			void FilLFOUnit::Trigger() {
217			::sfz::Region* const pRegion = pVoice->pRegion;
218	iliev	2226	pLfoInfo->delay = pRegion->fillfo_delay;
219			pLfoInfo->freq = pRegion->fillfo_freq;
220			pLfoInfo->fade = pRegion->fillfo_fade;
221	iliev	2221	pLfoInfo->cutoff = pRegion->fillfo_depth;
222
223			LFOv1Unit::Trigger();
224			}
225	iliev	2224
226	iliev	2227	CCUnit::CCUnit(SfzSignalUnitRack* rack, Listener* l): CCSignalUnit(rack, l) {
227			pVoice = NULL;
228			}
229	iliev	2224
230			void CCUnit::Trigger() {
231			for (int i = 0; i < Ctrls.size(); i++) {
232			Ctrls[i].Value = pVoice->GetControllerValue(Ctrls[i].Controller);
233			}
234			CCSignalUnit::Trigger();
235			}
236
237			void CCUnit::SetCCs(::sfz::Array<int>& cc) {
238			RemoveAllCCs();
239			for (int i = 0; i < 128; i++) {
240			if (cc[i] != 0) AddCC(i, cc[i]);
241			}
242			}
243	iliev	2225
244			void CCUnit::SetCCs(ArrayList< ::sfz::CC>& cc) {
245			RemoveAllCCs();
246			for (int i = 0; i < cc.size(); i++) {
247			if (cc[i].Influence != 0) AddCC(cc[i].Controller, cc[i].Influence);
248			}
249			}
250	iliev	2218
251	iliev	2219
252	iliev	2218	EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
253
254			}
255
256			SfzSignalUnitRack* const EndpointUnit::GetRack() {
257			return static_cast<SfzSignalUnitRack* const>(pRack);
258			}
259
260			void EndpointUnit::Trigger() {
261
262			}
263
264			bool EndpointUnit::Active() {
265			if (GetRack()->suVolEG.Active()) return true;
266
267			bool b = false;
268			for (int i = 0; i < GetRack()->volEGs.size(); i++) {
269			if (GetRack()->volEGs[i]->Active()) { b = true; break; }
270			}
271
272			return b;
273			}
274
275			float EndpointUnit::GetVolume() {
276			float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
277
278			for (int i = 0; i < GetRack()->volEGs.size(); i++) {
279			EGv2Unit* eg = GetRack()->volEGs[i];
280			if (!eg->Active()) continue;
281			vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
282			}
283
284	iliev	2221	AmpLFOUnit* u = &(GetRack()->suAmpLFO);
285			vol = u->Active() ? ::sf2::ToRatio((u->GetLevel() u->pLfoInfo->volume) * 10.0) : 1;
286
287	iliev	2218	return vol;
288			}
289
290			float EndpointUnit::GetFilterCutoff() {
291	iliev	2221	float val;
292	iliev	2219
293	iliev	2221	FilLFOUnit* u = &(GetRack()->suFilLFO);
294			val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
295
296	iliev	2222	FilEGUnit* u2 = &(GetRack()->suFilEG);
297			val = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->depth) : 1;
298
299	iliev	2219	for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
300			LFOv2Unit* lfo = GetRack()->filLFOs[i];
301			if (!lfo->Active()) continue;
302
303			float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
304			val *= RTMath::CentsToFreqRatioUnlimited(f);
305			}
306
307			return val;
308	iliev	2218	}
309
310			float EndpointUnit::GetPitch() {
311	iliev	2221	double p;
312	iliev	2220	EGv1Unit* u = &(GetRack()->suPitchEG);
313	iliev	2221	p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
314
315			PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
316	iliev	2224	CCSignalUnit* u3 = &(GetRack()->suPitchLFO.suDepthCC);
317			float f = u3->Active() ? u3->GetLevel() : 0;
318			p = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() (u2->pLfoInfo->pitch + f)) : 1;
319	iliev	2225
320			for (int i = 0; i < GetRack()->pitchLFOs.size(); i++) {
321			LFOv2Unit* lfo = GetRack()->pitchLFOs[i];
322			if (!lfo->Active()) continue;
323
324			float f = lfo->suPitchOnCC.Active() ? lfo->suPitchOnCC.GetLevel() : 0;
325			p = RTMath::CentsToFreqRatioUnlimited(lfo->GetLevel() (lfo->pLfoInfo->pitch + f));
326			}
327
328	iliev	2221	return p;
329	iliev	2218	}
330
331			float EndpointUnit::GetResonance() {
332	iliev	2219	float val = 0;
333
334			for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
335			LFOv2Unit* lfo = GetRack()->resLFOs[i];
336			if (!lfo->Active()) continue;
337
338			val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
339			}
340
341			return val;
342	iliev	2218	}
343
344	iliev	2219	float EndpointUnit::GetPan() {
345			float pan = 0;
346
347			for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
348			LFOv2Unit* lfo = GetRack()->panLFOs[i];
349			if (!lfo->Active()) continue;
350
351			pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
352			}
353
354			if(pan < -100) return -100;
355			if(pan > 100) return 100;
356
357			return pan;
358			}
359	iliev	2218
360	iliev	2219
361	iliev	2218	SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
362	iliev	2222	: SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
363	iliev	2219	EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount),
364	iliev	2221	suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
365	iliev	2225	LFOs(maxLfoCount), pitchLFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
366	iliev	2218	{
367	iliev	2222	suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
368	iliev	2221	suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = voice;
369	iliev	2227	suPitchLFO.suDepthCC.pVoice = suPitchLFO.suFadeEG.pVoice = suPitchLFO.suFreqOnCC.pVoice = voice;
370			suFilLFO.suFadeEG.pVoice = suFilLFO.suFreqOnCC.pVoice = voice;
371			suAmpLFO.suFadeEG.pVoice = suAmpLFO.suFreqOnCC.pVoice = voice;
372	iliev	2218
373			for (int i = 0; i < EGs.capacity(); i++) {
374			EGs[i] = new EGv2Unit(this);
375			EGs[i]->pVoice = voice;
376			}
377	iliev	2219
378			for (int i = 0; i < LFOs.capacity(); i++) {
379			LFOs[i] = new LFOv2Unit(this);
380			LFOs[i]->pVoice = voice;
381	iliev	2226	LFOs[i]->suFadeEG.pVoice = voice;
382	iliev	2225	LFOs[i]->suPitchOnCC.pVoice = voice;
383	iliev	2227	LFOs[i]->suFreqOnCC.pVoice = voice;
384	iliev	2219	}
385	iliev	2218	}
386
387			SfzSignalUnitRack::~SfzSignalUnitRack() {
388	iliev	2219	for (int i = 0; i < EGs.capacity(); i++) {
389	iliev	2218	delete EGs[i]; EGs[i] = NULL;
390			}
391	iliev	2219
392			for (int i = 0; i < LFOs.capacity(); i++) {
393			delete LFOs[i]; LFOs[i] = NULL;
394			}
395	iliev	2218	}
396
397			void SfzSignalUnitRack::Trigger() {
398			EGs.clear();
399			volEGs.clear();
400			pitchEGs.clear();
401
402	iliev	2219	LFOs.clear();
403	iliev	2225	pitchLFOs.clear();
404	iliev	2219	filLFOs.clear();
405			resLFOs.clear();
406			panLFOs.clear();
407
408	iliev	2218	::sfz::Region* const pRegion = pVoice->pRegion;
409
410	iliev	2219	for (int i = 0; i < pRegion->eg.size(); i++) {
411	iliev	2218	if (pRegion->eg[i].node.size() == 0) continue;
412
413			if(EGs.size() < EGs.capacity()) {
414			EGv2Unit eg(this);
415			eg.pEGInfo = &(pRegion->eg[i]);
416			EGs.increment()->Copy(eg);
417			} else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
418
419			if (pRegion->eg[i].amplitude > 0) {
420			if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
421			else std::cerr << "Maximum number of EGs reached!" << std::endl;
422			}
423			}
424
425			if (pRegion->ampeg_sustain == -1) {
426			if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
427			else pRegion->ampeg_sustain = 100;
428			}
429
430	iliev	2219	// LFO
431			for (int i = 0; i < pRegion->lfos.size(); i++) {
432			if (pRegion->lfos[i].freq == -1) continue; // Not initialized
433
434			if(LFOs.size() < LFOs.capacity()) {
435			LFOv2Unit lfo(this);
436			lfo.pLfoInfo = &(pRegion->lfos[i]);
437			LFOs.increment()->Copy(lfo);
438	iliev	2225	LFOs[LFOs.size() - 1]->suPitchOnCC.SetCCs(pRegion->lfos[i].pitch_oncc);
439	iliev	2227	LFOs[LFOs.size() - 1]->suFreqOnCC.SetCCs(pRegion->lfos[i].freq_oncc);
440	iliev	2219	} else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
441
442	iliev	2225	if (pRegion->lfos[i].pitch != 0 \|\| !pRegion->lfos[i].pitch_oncc.empty()) {
443			if(pitchLFOs.size() < pitchLFOs.capacity()) pitchLFOs.add(LFOs[LFOs.size() - 1]);
444			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
445			}
446
447	iliev	2219	if (pRegion->lfos[i].cutoff != 0) {
448			if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
449			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
450			}
451
452			if (pRegion->lfos[i].resonance != 0) {
453			if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
454			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
455			}
456
457			if (pRegion->lfos[i].pan != 0) {
458			if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
459			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
460			}
461			}
462
463	iliev	2224	suPitchLFO.suDepthCC.SetCCs(pRegion->pitchlfo_depthcc);
464	iliev	2227	suPitchLFO.suFreqOnCC.SetCCs(pRegion->pitchlfo_freqcc);
465	iliev	2224
466	iliev	2227	suFilLFO.suFreqOnCC.SetCCs(pRegion->fillfo_freqcc);
467
468			suAmpLFO.suFreqOnCC.SetCCs(pRegion->amplfo_freqcc);
469
470	iliev	2218	Units.clear();
471
472			Units.add(&suVolEG);
473	iliev	2222	Units.add(&suFilEG);
474	iliev	2220	Units.add(&suPitchEG);
475	iliev	2227
476			Units.add(&suPitchLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
477	iliev	2221	Units.add(&suPitchLFO);
478	iliev	2224	Units.add(&suPitchLFO.suDepthCC);
479	iliev	2226	Units.add(&suPitchLFO.suFadeEG);
480	iliev	2227
481			Units.add(&suAmpLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
482	iliev	2221	Units.add(&suAmpLFO);
483	iliev	2226	Units.add(&suAmpLFO.suFadeEG);
484	iliev	2227
485			Units.add(&suFilLFO.suFreqOnCC); // Don't change order! (should be triggered before the LFO)
486	iliev	2221	Units.add(&suFilLFO);
487	iliev	2226	Units.add(&suFilLFO.suFadeEG);
488	iliev	2218
489	iliev	2219	for (int i = 0; i < EGs.size(); i++) {
490	iliev	2218	Units.add(EGs[i]);
491			}
492
493	iliev	2219	for (int i = 0; i < LFOs.size(); i++) {
494	iliev	2227	Units.add(&(LFOs[i]->suFreqOnCC)); // Don't change order! (should be triggered before the LFO)
495	iliev	2219	Units.add(LFOs[i]);
496	iliev	2226	Units.add(&(LFOs[i]->suFadeEG));
497	iliev	2225	Units.add(&(LFOs[i]->suPitchOnCC));
498	iliev	2219	}
499
500	iliev	2218	Units.add(&suEndpoint);
501
502			SignalUnitRack::Trigger();
503			}
504
505			EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
506			return &suEndpoint;
507			}
508
509			void SfzSignalUnitRack::EnterFadeOutStage() {
510			suVolEG.EG.enterFadeOutStage();
511
512			for (int i = 0; i < volEGs.size(); i++) {
513			volEGs[i]->EG.enterFadeOutStage();
514			}
515			}
516
517			}} // namespace LinuxSampler::sfz