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(const LFOUnit& Unit): SfzSignalUnit(Unit), suFadeEG(static_cast<SfzSignalUnitRack*>(Unit.pRack)) {
        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 LFOv1Unit::Trigger() {
        LFOUnit::Trigger();
        
        lfo.trigger (
            pLfoInfo->freq,
            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,
            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): CCSignalUnit(rack) { }
    
    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 = voice;
        suFilLFO.suFadeEG.pVoice = voice;
        suAmpLFO.suFadeEG.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;
        }
    }
    
    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);
            } 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);
        
        Units.clear();
        
        Units.add(&suVolEG);
        Units.add(&suFilEG);
        Units.add(&suPitchEG);
        Units.add(&suPitchLFO);
        Units.add(&suPitchLFO.suDepthCC);
        Units.add(&suPitchLFO.suFadeEG);
        Units.add(&suAmpLFO);
        Units.add(&suAmpLFO.suFadeEG);
        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]);
            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			LFOUnit::LFOUnit(const LFOUnit& Unit): SfzSignalUnit(Unit), suFadeEG(static_cast<SfzSignalUnitRack*>(Unit.pRack)) {
103			Copy(Unit);
104			}
105	iliev	2222
106	iliev	2219	void LFOUnit::Increment() {
107			if (DelayStage()) return;
108
109			SignalUnit::Increment();
110
111	iliev	2223	Level = pLFO->Render();
112	iliev	2226	if (suFadeEG.Active()) Level *= suFadeEG.GetLevel();
113	iliev	2219	}
114
115			void LFOUnit::Trigger() {
116			//reset
117			Level = 0;
118
119			// set the delay trigger
120	iliev	2220	uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
121	iliev	2226	if(pLfoInfo->fade != 0 \|\| !pLfoInfo->fade_oncc.empty()) {
122			float f = pLfoInfo->fade;
123			for (int i = 0; i < pLfoInfo->fade_oncc.size(); i++) {
124			int val = pVoice->GetControllerValue(pLfoInfo->fade_oncc[i].Controller);
125			f += (val / 127.0f) * pLfoInfo->fade_oncc[i].Influence;
126			}
127
128			if (f != 0) {
129			suFadeEG.uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
130			suFadeEG.EG.trigger(0, f, 0, 0, 1000, 0, GetSampleRate());
131			}
132			}
133	iliev	2219	}
134
135	iliev	2221	void LFOv1Unit::Trigger() {
136			LFOUnit::Trigger();
137
138			lfo.trigger (
139			pLfoInfo->freq,
140			start_level_mid,
141			1, 0, false, GetSampleRate()
142			);
143			lfo.update(0);
144			}
145
146	iliev	2223
147			LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
148			: LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
149	iliev	2225	lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f),
150			suPitchOnCC(rack)
151	iliev	2223	{
152			lfos.add(&lfo0);
153			lfos.add(&lfo1);
154			lfos.add(&lfo2);
155			lfos.add(&lfo3);
156			lfos.add(&lfo4);
157			lfos.add(&lfo5);
158			lfos.add(&lfo6);
159			lfos.add(&lfo7);
160			}
161
162	iliev	2219	void LFOv2Unit::Trigger() {
163			LFOUnit::Trigger();
164
165	iliev	2223	if (pLfoInfo->wave < 0 \|\| pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
166			else pLFO = lfos[pLfoInfo->wave];
167
168			pLFO->Trigger (
169	iliev	2219	pLfoInfo->freq,
170			start_level_mid,
171			1, 0, false, GetSampleRate()
172			);
173	iliev	2223	pLFO->Update(0);
174	iliev	2225
175			float phase = pLfoInfo->phase;
176			for (int i = 0; i < pLfoInfo->phase_oncc.size(); i++) {
177			int val = pVoice->GetControllerValue(pLfoInfo->phase_oncc[i].Controller);
178			phase += (val / 127.0f) * pLfoInfo->phase_oncc[i].Influence;
179			}
180			if (phase != 0) pLFO->SetPhase(phase);
181	iliev	2219	}
182	iliev	2221
183			void AmpLFOUnit::Trigger() {
184			::sfz::Region* const pRegion = pVoice->pRegion;
185	iliev	2226	pLfoInfo->delay = pRegion->amplfo_delay;
186			pLfoInfo->freq = pRegion->amplfo_freq;
187			pLfoInfo->fade = pRegion->amplfo_fade;
188	iliev	2221	pLfoInfo->volume = pRegion->amplfo_depth;
189
190			LFOv1Unit::Trigger();
191			}
192
193			void PitchLFOUnit::Trigger() {
194			::sfz::Region* const pRegion = pVoice->pRegion;
195			pLfoInfo->delay = pRegion->pitchlfo_delay;
196	iliev	2226	pLfoInfo->freq = pRegion->pitchlfo_freq;
197			pLfoInfo->fade = pRegion->pitchlfo_fade;
198	iliev	2221	pLfoInfo->pitch = pRegion->pitchlfo_depth;
199
200			LFOv1Unit::Trigger();
201			}
202
203			void FilLFOUnit::Trigger() {
204			::sfz::Region* const pRegion = pVoice->pRegion;
205	iliev	2226	pLfoInfo->delay = pRegion->fillfo_delay;
206			pLfoInfo->freq = pRegion->fillfo_freq;
207			pLfoInfo->fade = pRegion->fillfo_fade;
208	iliev	2221	pLfoInfo->cutoff = pRegion->fillfo_depth;
209
210			LFOv1Unit::Trigger();
211			}
212	iliev	2224
213			CCUnit::CCUnit(SfzSignalUnitRack* rack): CCSignalUnit(rack) { }
214
215			void CCUnit::Trigger() {
216			for (int i = 0; i < Ctrls.size(); i++) {
217			Ctrls[i].Value = pVoice->GetControllerValue(Ctrls[i].Controller);
218			}
219			CCSignalUnit::Trigger();
220			}
221
222			void CCUnit::SetCCs(::sfz::Array<int>& cc) {
223			RemoveAllCCs();
224			for (int i = 0; i < 128; i++) {
225			if (cc[i] != 0) AddCC(i, cc[i]);
226			}
227			}
228	iliev	2225
229			void CCUnit::SetCCs(ArrayList< ::sfz::CC>& cc) {
230			RemoveAllCCs();
231			for (int i = 0; i < cc.size(); i++) {
232			if (cc[i].Influence != 0) AddCC(cc[i].Controller, cc[i].Influence);
233			}
234			}
235	iliev	2218
236	iliev	2219
237	iliev	2218	EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
238
239			}
240
241			SfzSignalUnitRack* const EndpointUnit::GetRack() {
242			return static_cast<SfzSignalUnitRack* const>(pRack);
243			}
244
245			void EndpointUnit::Trigger() {
246
247			}
248
249			bool EndpointUnit::Active() {
250			if (GetRack()->suVolEG.Active()) return true;
251
252			bool b = false;
253			for (int i = 0; i < GetRack()->volEGs.size(); i++) {
254			if (GetRack()->volEGs[i]->Active()) { b = true; break; }
255			}
256
257			return b;
258			}
259
260			float EndpointUnit::GetVolume() {
261			float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
262
263			for (int i = 0; i < GetRack()->volEGs.size(); i++) {
264			EGv2Unit* eg = GetRack()->volEGs[i];
265			if (!eg->Active()) continue;
266			vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
267			}
268
269	iliev	2221	AmpLFOUnit* u = &(GetRack()->suAmpLFO);
270			vol = u->Active() ? ::sf2::ToRatio((u->GetLevel() u->pLfoInfo->volume) * 10.0) : 1;
271
272	iliev	2218	return vol;
273			}
274
275			float EndpointUnit::GetFilterCutoff() {
276	iliev	2221	float val;
277	iliev	2219
278	iliev	2221	FilLFOUnit* u = &(GetRack()->suFilLFO);
279			val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
280
281	iliev	2222	FilEGUnit* u2 = &(GetRack()->suFilEG);
282			val = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->depth) : 1;
283
284	iliev	2219	for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
285			LFOv2Unit* lfo = GetRack()->filLFOs[i];
286			if (!lfo->Active()) continue;
287
288			float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
289			val *= RTMath::CentsToFreqRatioUnlimited(f);
290			}
291
292			return val;
293	iliev	2218	}
294
295			float EndpointUnit::GetPitch() {
296	iliev	2221	double p;
297	iliev	2220	EGv1Unit* u = &(GetRack()->suPitchEG);
298	iliev	2221	p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
299
300			PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
301	iliev	2224	CCSignalUnit* u3 = &(GetRack()->suPitchLFO.suDepthCC);
302			float f = u3->Active() ? u3->GetLevel() : 0;
303			p = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() (u2->pLfoInfo->pitch + f)) : 1;
304	iliev	2225
305			for (int i = 0; i < GetRack()->pitchLFOs.size(); i++) {
306			LFOv2Unit* lfo = GetRack()->pitchLFOs[i];
307			if (!lfo->Active()) continue;
308
309			float f = lfo->suPitchOnCC.Active() ? lfo->suPitchOnCC.GetLevel() : 0;
310			p = RTMath::CentsToFreqRatioUnlimited(lfo->GetLevel() (lfo->pLfoInfo->pitch + f));
311			}
312
313	iliev	2221	return p;
314	iliev	2218	}
315
316			float EndpointUnit::GetResonance() {
317	iliev	2219	float val = 0;
318
319			for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
320			LFOv2Unit* lfo = GetRack()->resLFOs[i];
321			if (!lfo->Active()) continue;
322
323			val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
324			}
325
326			return val;
327	iliev	2218	}
328
329	iliev	2219	float EndpointUnit::GetPan() {
330			float pan = 0;
331
332			for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
333			LFOv2Unit* lfo = GetRack()->panLFOs[i];
334			if (!lfo->Active()) continue;
335
336			pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
337			}
338
339			if(pan < -100) return -100;
340			if(pan > 100) return 100;
341
342			return pan;
343			}
344	iliev	2218
345	iliev	2219
346	iliev	2218	SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
347	iliev	2222	: SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
348	iliev	2219	EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount),
349	iliev	2221	suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
350	iliev	2225	LFOs(maxLfoCount), pitchLFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
351	iliev	2218	{
352	iliev	2222	suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
353	iliev	2221	suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = voice;
354	iliev	2226	suPitchLFO.suDepthCC.pVoice = suPitchLFO.suFadeEG.pVoice = voice;
355			suFilLFO.suFadeEG.pVoice = voice;
356			suAmpLFO.suFadeEG.pVoice = voice;
357	iliev	2218
358			for (int i = 0; i < EGs.capacity(); i++) {
359			EGs[i] = new EGv2Unit(this);
360			EGs[i]->pVoice = voice;
361			}
362	iliev	2219
363			for (int i = 0; i < LFOs.capacity(); i++) {
364			LFOs[i] = new LFOv2Unit(this);
365			LFOs[i]->pVoice = voice;
366	iliev	2226	LFOs[i]->suFadeEG.pVoice = voice;
367	iliev	2225	LFOs[i]->suPitchOnCC.pVoice = voice;
368	iliev	2219	}
369	iliev	2218	}
370
371			SfzSignalUnitRack::~SfzSignalUnitRack() {
372	iliev	2219	for (int i = 0; i < EGs.capacity(); i++) {
373	iliev	2218	delete EGs[i]; EGs[i] = NULL;
374			}
375	iliev	2219
376			for (int i = 0; i < LFOs.capacity(); i++) {
377			delete LFOs[i]; LFOs[i] = NULL;
378			}
379	iliev	2218	}
380
381			void SfzSignalUnitRack::Trigger() {
382			EGs.clear();
383			volEGs.clear();
384			pitchEGs.clear();
385
386	iliev	2219	LFOs.clear();
387	iliev	2225	pitchLFOs.clear();
388	iliev	2219	filLFOs.clear();
389			resLFOs.clear();
390			panLFOs.clear();
391
392	iliev	2218	::sfz::Region* const pRegion = pVoice->pRegion;
393
394	iliev	2219	for (int i = 0; i < pRegion->eg.size(); i++) {
395	iliev	2218	if (pRegion->eg[i].node.size() == 0) continue;
396
397			if(EGs.size() < EGs.capacity()) {
398			EGv2Unit eg(this);
399			eg.pEGInfo = &(pRegion->eg[i]);
400			EGs.increment()->Copy(eg);
401			} else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
402
403			if (pRegion->eg[i].amplitude > 0) {
404			if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
405			else std::cerr << "Maximum number of EGs reached!" << std::endl;
406			}
407			}
408
409			if (pRegion->ampeg_sustain == -1) {
410			if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
411			else pRegion->ampeg_sustain = 100;
412			}
413
414	iliev	2219	// LFO
415			for (int i = 0; i < pRegion->lfos.size(); i++) {
416			if (pRegion->lfos[i].freq == -1) continue; // Not initialized
417
418			if(LFOs.size() < LFOs.capacity()) {
419			LFOv2Unit lfo(this);
420			lfo.pLfoInfo = &(pRegion->lfos[i]);
421			LFOs.increment()->Copy(lfo);
422	iliev	2225	LFOs[LFOs.size() - 1]->suPitchOnCC.SetCCs(pRegion->lfos[i].pitch_oncc);
423	iliev	2219	} else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
424
425	iliev	2225	if (pRegion->lfos[i].pitch != 0 \|\| !pRegion->lfos[i].pitch_oncc.empty()) {
426			if(pitchLFOs.size() < pitchLFOs.capacity()) pitchLFOs.add(LFOs[LFOs.size() - 1]);
427			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
428			}
429
430	iliev	2219	if (pRegion->lfos[i].cutoff != 0) {
431			if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
432			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
433			}
434
435			if (pRegion->lfos[i].resonance != 0) {
436			if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
437			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
438			}
439
440			if (pRegion->lfos[i].pan != 0) {
441			if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
442			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
443			}
444			}
445
446	iliev	2224	suPitchLFO.suDepthCC.SetCCs(pRegion->pitchlfo_depthcc);
447
448	iliev	2218	Units.clear();
449
450			Units.add(&suVolEG);
451	iliev	2222	Units.add(&suFilEG);
452	iliev	2220	Units.add(&suPitchEG);
453	iliev	2221	Units.add(&suPitchLFO);
454	iliev	2224	Units.add(&suPitchLFO.suDepthCC);
455	iliev	2226	Units.add(&suPitchLFO.suFadeEG);
456	iliev	2221	Units.add(&suAmpLFO);
457	iliev	2226	Units.add(&suAmpLFO.suFadeEG);
458	iliev	2221	Units.add(&suFilLFO);
459	iliev	2226	Units.add(&suFilLFO.suFadeEG);
460	iliev	2218
461	iliev	2219	for (int i = 0; i < EGs.size(); i++) {
462	iliev	2218	Units.add(EGs[i]);
463			}
464
465	iliev	2219	for (int i = 0; i < LFOs.size(); i++) {
466			Units.add(LFOs[i]);
467	iliev	2226	Units.add(&(LFOs[i]->suFadeEG));
468	iliev	2225	Units.add(&(LFOs[i]->suPitchOnCC));
469	iliev	2219	}
470
471	iliev	2218	Units.add(&suEndpoint);
472
473			SignalUnitRack::Trigger();
474			}
475
476			EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
477			return &suEndpoint;
478			}
479
480			void SfzSignalUnitRack::EnterFadeOutStage() {
481			suVolEG.EG.enterFadeOutStage();
482
483			for (int i = 0; i < volEGs.size(); i++) {
484			volEGs[i]->EG.enterFadeOutStage();
485			}
486			}
487
488			}} // namespace LinuxSampler::sfz