engines/sf2/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2011 Christian Schoenebeck and 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 "Voice.h"

#include "Engine.h"
#include "EngineChannel.h"

namespace LinuxSampler { namespace sf2 {

    Voice::Voice() {
        pEngine = NULL;
        pEG1 = &EG1;
        pEG2 = &EG2;
    }

    Voice::~Voice() {

    }

    EngineChannel* Voice::GetSf2EngineChannel() {
        return static_cast<EngineChannel*>(pEngineChannel);
    }

    void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
        Engine* engine = static_cast<Engine*>(pEngine);
        this->pEngine     = engine;
        this->pDiskThread = engine->pDiskThread;
        dmsg(6,("Voice::SetEngine()\n"));
    }

    Voice::SampleInfo Voice::GetSampleInfo() {
        SampleInfo si;
        si.SampleRate       = pSample->SampleRate;
        si.ChannelCount     = pSample->GetChannelCount();
        si.FrameSize        = pSample->GetFrameSize();
        si.BitDepth         = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
        si.TotalFrameCount  = pSample->GetTotalFrameCount();

        si.HasLoops       = pRegion->HasLoop;
        si.LoopStart      = (si.HasLoops) ? pRegion->LoopStart : 0;
        si.LoopLength     = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
        si.LoopPlayCount  = 0; // TODO:
        si.Unpitched      = pSample->IsUnpitched();

        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        ::sf2::Region* reg = NULL;
        ::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument;
        for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization?
            if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) {
                reg = preset->GetRegion(i); // TODO: Can the instrument belongs to more than one preset regions?
                break;
            }
        }
        
        RegionInfo ri;
        ri.UnityNote = pRegion->GetUnityNote();
        ri.FineTune  = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
        ri.Pan       = pRegion->GetPan(reg);
        ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;

        // sample amplitude
        ri.EG1PreAttack        = 1000;
        ri.EG1Attack           = pRegion->GetEG1Attack(reg);
        ri.EG1Hold             = pRegion->GetEG1Hold(reg);
        ri.EG1Decay1           = pRegion->GetEG1Decay(reg);
        ri.EG1Decay2           = pRegion->GetEG1Decay(reg);
        ri.EG1Sustain          = pRegion->GetEG1Sustain(reg);
        ri.EG1InfiniteSustain  = true;
        ri.EG1Release          = pRegion->GetEG1Release(reg);

        // filter cutoff frequency
        ri.EG2PreAttack        = 1000;
        ri.EG2Attack           = pRegion->GetEG2Attack(reg);
        //ri.EG2Hold             = pRegion->EG2Hold; // TODO:
        ri.EG2Decay1           = pRegion->GetEG2Decay(reg);
        ri.EG2Decay2           = pRegion->GetEG2Decay(reg);
        ri.EG2Sustain          = pRegion->GetEG2Sustain(reg);
        ri.EG2InfiniteSustain  = true;
        ri.EG2Release          = pRegion->GetEG2Release(reg);

        // sample pitch
        ri.EG3Attack     = 0; // TODO:
        ri.EG3Depth      = 0; // TODO:
        ri.VCFEnabled    = false; // TODO:
        ri.VCFType       = Filter::vcf_type_2p_lowpass; // TODO:
        ri.VCFResonance  = 0; // TODO:

        ri.ReleaseTriggerDecay = 0; // TODO:

        return ri;
    }

    Voice::InstrumentInfo Voice::GetInstrumentInfo() {
        InstrumentInfo ii;
        ii.FineTune = 0; // TODO: 
        ii.PitchbendRange = 2; // TODO: 

        return ii;
    }

    double Voice::GetSampleAttenuation() {
        return 1.0; // TODO: 
    }

    double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
        return double(MIDIKeyVelocity) / 127.0f; // TODO: 
    }

    double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
        return 0.9; // TODO:
    }

    void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
        /*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
            if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
                itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
                CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
            }
        }*/ // TODO: ^^^
    }

    void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
        /*int ccvalue = itEvent->Param.CC.Value;
        if (VCFCutoffCtrl.value == ccvalue) return;
        VCFCutoffCtrl.value == ccvalue;
        if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
        if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
        float cutoff = CutoffBase * float(ccvalue);
        if (cutoff > 127.0f) cutoff = 127.0f;

        VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
        fFinalCutoff = cutoff;*/ // TODO: ^^^
    }

    double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
        /*float crossfadeVolume;
        switch (pRegion->AttenuationController.type) {
            case ::gig::attenuation_ctrl_t::type_channelaftertouch:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
                break;
            case ::gig::attenuation_ctrl_t::type_velocity:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
                break;
            case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
                break;
            case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
            default:
                crossfadeVolume = 1.0f;
        }

        return crossfadeVolume;*/ // TODO: ^^^
        return 1.0f;
    }

    double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
        /*double eg1controllervalue = 0;
        switch (pRegion->EG1Controller.type) {
            case ::gig::eg1_ctrl_t::type_none: // no controller defined
                eg1controllervalue = 0;
                break;
            case ::gig::eg1_ctrl_t::type_channelaftertouch:
                eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128];
                break;
            case ::gig::eg1_ctrl_t::type_velocity:
                eg1controllervalue = MIDIKeyVelocity;
                break;
            case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
                eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
                break;
        }
        if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;

        return eg1controllervalue;*/ // TODO: ^^^
        return 0;
    }

    Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
        /*EGInfo eg;
        // (eg1attack is different from the others)
        eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
            1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
                                  1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
        eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
        eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;

        return eg;*/ // TODO: ^^^
        EGInfo eg;
        eg.Attack = 1.0;
        eg.Decay = 1.0;
        eg.Release = 1.0;
        return eg;
    }

    void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG1.trigger(uint(RgnInfo.EG1PreAttack),
                    RgnInfo.EG1Attack * egInfo.Attack,
                    RgnInfo.EG1Hold,
                    RgnInfo.EG1Decay1 * egInfo.Decay * velrelease,
                    RgnInfo.EG1Decay2 * egInfo.Decay * velrelease,
                    RgnInfo.EG1InfiniteSustain,
                    uint(RgnInfo.EG1Sustain),
                    RgnInfo.EG1Release * egInfo.Release * velrelease,
                    velocityAttenuation,
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

    double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
        /*double eg2controllervalue = 0;
        switch (pRegion->EG2Controller.type) {
            case ::gig::eg2_ctrl_t::type_none: // no controller defined
                eg2controllervalue = 0;
                break;
            case ::gig::eg2_ctrl_t::type_channelaftertouch:
                eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128];
                break;
            case ::gig::eg2_ctrl_t::type_velocity:
                eg2controllervalue = MIDIKeyVelocity;
                break;
            case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
                eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
                break;
        }
        if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;

        return eg2controllervalue;*/ // TODO: ^^^
        return 0;
    }

    Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
        /*EGInfo eg;
        eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
        eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
        eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;

        return eg;*/ // TODO: ^^^
        EGInfo eg;
        eg.Attack = 1.0;
        eg.Decay = 1.0;
        eg.Release = 1.0;
        return eg;
    }

    void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG2.trigger(uint(RgnInfo.EG2PreAttack),
                    RgnInfo.EG2Attack * egInfo.Attack,
                    false,
                    RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
                    RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
                    RgnInfo.EG2InfiniteSustain,
                    uint(RgnInfo.EG2Sustain),
                    RgnInfo.EG2Release * egInfo.Release * velrelease,
                    velocityAttenuation,
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

    void Voice::InitLFO1() {
        /*uint16_t lfo1_internal_depth;
        switch (pRegion->LFO1Controller) {
            case ::gig::lfo1_ctrl_internal:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 0; // no external controller
                bLFO1Enabled         = (lfo1_internal_depth > 0);
                break;
            case ::gig::lfo1_ctrl_modwheel:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 1; // MIDI controller 1
                bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_breath:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 2; // MIDI controller 2
                bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_internal_modwheel:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 1; // MIDI controller 1
                bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
                break;
            case ::gig::lfo1_ctrl_internal_breath:
                lfo1_internal_depth  = pRegion->LFO1InternalDepth;
                pLFO1->ExtController = 2; // MIDI controller 2
                bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
                break;
            default:
                lfo1_internal_depth  = 0;
                pLFO1->ExtController = 0; // no external controller
                bLFO1Enabled         = false;
        }
        if (bLFO1Enabled) {
            pLFO1->trigger(pRegion->LFO1Frequency,
                           start_level_min,
                           lfo1_internal_depth,
                           pRegion->LFO1ControlDepth,
                           pRegion->LFO1FlipPhase,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO1->update(pLFO1->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
        }*/ // TODO: ^^^
        bLFO1Enabled = false;
    }

    void Voice::InitLFO2() {
        /*uint16_t lfo2_internal_depth;
        switch (pRegion->LFO2Controller) {
            case ::gig::lfo2_ctrl_internal:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 0; // no external controller
                bLFO2Enabled         = (lfo2_internal_depth > 0);
                break;
            case ::gig::lfo2_ctrl_modwheel:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 1; // MIDI controller 1
                bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_foot:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 4; // MIDI controller 4
                bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_internal_modwheel:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 1; // MIDI controller 1
                bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
                break;
            case ::gig::lfo2_ctrl_internal_foot:
                lfo2_internal_depth  = pRegion->LFO2InternalDepth;
                pLFO2->ExtController = 4; // MIDI controller 4
                bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
                break;
            default:
                lfo2_internal_depth  = 0;
                pLFO2->ExtController = 0; // no external controller
                bLFO2Enabled         = false;
        }
        if (bLFO2Enabled) {
            pLFO2->trigger(pRegion->LFO2Frequency,
                           start_level_max,
                           lfo2_internal_depth,
                           pRegion->LFO2ControlDepth,
                           pRegion->LFO2FlipPhase,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO2->update(pLFO2->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
        }*/ // TODO: ^^^
         bLFO2Enabled = false;
    }

    void Voice::InitLFO3() {
        /*uint16_t lfo3_internal_depth;
        switch (pRegion->LFO3Controller) {
            case ::gig::lfo3_ctrl_internal:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 0; // no external controller
                bLFO3Enabled         = (lfo3_internal_depth > 0);
                break;
            case ::gig::lfo3_ctrl_modwheel:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 1; // MIDI controller 1
                bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
                break;
            case ::gig::lfo3_ctrl_aftertouch:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 128;
                bLFO3Enabled         = true;
                break;
            case ::gig::lfo3_ctrl_internal_modwheel:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO3->ExtController = 1; // MIDI controller 1
                bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                break;
            case ::gig::lfo3_ctrl_internal_aftertouch:
                lfo3_internal_depth  = pRegion->LFO3InternalDepth;
                pLFO1->ExtController = 128;
                bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
                break;
            default:
                lfo3_internal_depth  = 0;
                pLFO3->ExtController = 0; // no external controller
                bLFO3Enabled         = false;
        }
        if (bLFO3Enabled) {
            pLFO3->trigger(pRegion->LFO3Frequency,
                           start_level_mid,
                           lfo3_internal_depth,
                           pRegion->LFO3ControlDepth,
                           false,
                           pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
            pLFO3->update(pLFO3->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
        }*/ // TODO: ^^^
         bLFO3Enabled = false;
    }

    float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
        /*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
        if (pRegion->VCFKeyboardTracking) {
            cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
        }
        return cutoff;*/ // TODO: ^^^
        return 1.0f;
    }

    float Voice::CalculateFinalCutoff(float cutoffBase) {
        /*int cvalue;
        if (VCFCutoffCtrl.controller) {
            cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
            if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
            // VCFVelocityScale in this case means Minimum cutoff
            if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
        }
        else {
            cvalue = pRegion->VCFCutoff;
        }
        float fco = cutoffBase * float(cvalue);
        if (fco > 127.0f) fco = 127.0f;

        return fco;*/ // TODO: ^^^
        return 0.0f;
    }

    uint8_t Voice::GetVCFCutoffCtrl() {
        /*uint8_t ctrl;
        switch (pRegion->VCFCutoffController) {
            case ::gig::vcf_cutoff_ctrl_modwheel:
                ctrl = 1;
                break;
            case ::gig::vcf_cutoff_ctrl_effect1:
                ctrl = 12;
                break;
            case ::gig::vcf_cutoff_ctrl_effect2:
                ctrl = 13;
                break;
            case ::gig::vcf_cutoff_ctrl_breath:
                ctrl = 2;
                break;
            case ::gig::vcf_cutoff_ctrl_foot:
                ctrl = 4;
                break;
            case ::gig::vcf_cutoff_ctrl_sustainpedal:
                ctrl = 64;
                break;
            case ::gig::vcf_cutoff_ctrl_softpedal:
                ctrl = 67;
                break;
            case ::gig::vcf_cutoff_ctrl_genpurpose7:
                ctrl = 82;
                break;
            case ::gig::vcf_cutoff_ctrl_genpurpose8:
                ctrl = 83;
                break;
            case ::gig::vcf_cutoff_ctrl_aftertouch:
                ctrl = 128;
                break;
            case ::gig::vcf_cutoff_ctrl_none:
            default:
                ctrl = 0;
                break;
        }

        return ctrl;*/ // TODO: ^^^
        return 0;
    }

    uint8_t Voice::GetVCFResonanceCtrl() {
        /*uint8_t ctrl;
        switch (pRegion->VCFResonanceController) {
            case ::gig::vcf_res_ctrl_genpurpose3:
                ctrl = 18;
                break;
            case ::gig::vcf_res_ctrl_genpurpose4:
                ctrl = 19;
                break;
            case ::gig::vcf_res_ctrl_genpurpose5:
                ctrl = 80;
                break;
            case ::gig::vcf_res_ctrl_genpurpose6:
                ctrl = 81;
                break;
            case ::gig::vcf_res_ctrl_none:
            default:
                ctrl = 0;
        }

        return ctrl;*/ // TODO: ^^^
        return 0;
    }

    void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
        if (itEvent->Param.Note.Key != MIDIKey) {
            // kill the voice fast
            pEG1->enterFadeOutStage();
        }
    }

}} // namespace LinuxSampler::sf2
1	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	persson	2055	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	persson	2175	* Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev *
8	iliev	2012	* *
9			* This program is free software; you can redistribute it and/or modify *
10			* it under the terms of the GNU General Public License as published by *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25	iliev	2015	#include "Voice.h"
26
27	iliev	2012	#include "Engine.h"
28			#include "EngineChannel.h"
29
30			namespace LinuxSampler { namespace sf2 {
31
32			Voice::Voice() {
33	persson	2055	pEngine = NULL;
34			pEG1 = &EG1;
35	persson	2175	pEG2 = &EG2;
36	iliev	2012	}
37
38			Voice::~Voice() {
39	iliev	2015
40	iliev	2012	}
41
42	iliev	2015	EngineChannel* Voice::GetSf2EngineChannel() {
43			return static_cast<EngineChannel*>(pEngineChannel);
44			}
45
46	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
47			Engine* engine = static_cast<Engine*>(pEngine);
48			this->pEngine = engine;
49			this->pDiskThread = engine->pDiskThread;
50			dmsg(6,("Voice::SetEngine()\n"));
51			}
52
53	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
54			SampleInfo si;
55			si.SampleRate = pSample->SampleRate;
56			si.ChannelCount = pSample->GetChannelCount();
57			si.FrameSize = pSample->GetFrameSize();
58			si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
59			si.TotalFrameCount = pSample->GetTotalFrameCount();
60	iliev	2012
61	iliev	2021	si.HasLoops = pRegion->HasLoop;
62			si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0;
63			si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
64	iliev	2015	si.LoopPlayCount = 0; // TODO:
65			si.Unpitched = pSample->IsUnpitched();
66	iliev	2012
67	iliev	2015	return si;
68			}
69	iliev	2012
70	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
71	iliev	2027	::sf2::Region* reg = NULL;
72			::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument;
73			for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization?
74			if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) {
75			reg = preset->GetRegion(i); // TODO: Can the instrument belongs to more than one preset regions?
76			break;
77			}
78			}
79
80	iliev	2015	RegionInfo ri;
81	iliev	2021	ri.UnityNote = pRegion->GetUnityNote();
82	iliev	2027	ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
83			ri.Pan = pRegion->GetPan(reg);
84	iliev	2015	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
85	iliev	2012
86	iliev	2027	// sample amplitude
87	iliev	2015	ri.EG1PreAttack = 1000;
88	iliev	2027	ri.EG1Attack = pRegion->GetEG1Attack(reg);
89			ri.EG1Hold = pRegion->GetEG1Hold(reg);
90			ri.EG1Decay1 = pRegion->GetEG1Decay(reg);
91			ri.EG1Decay2 = pRegion->GetEG1Decay(reg);
92			ri.EG1Sustain = pRegion->GetEG1Sustain(reg);
93	iliev	2015	ri.EG1InfiniteSustain = true;
94	iliev	2027	ri.EG1Release = pRegion->GetEG1Release(reg);
95	iliev	2012
96	iliev	2027	// filter cutoff frequency
97	iliev	2015	ri.EG2PreAttack = 1000;
98	iliev	2027	ri.EG2Attack = pRegion->GetEG2Attack(reg);
99	iliev	2015	//ri.EG2Hold = pRegion->EG2Hold; // TODO:
100	iliev	2027	ri.EG2Decay1 = pRegion->GetEG2Decay(reg);
101			ri.EG2Decay2 = pRegion->GetEG2Decay(reg);
102			ri.EG2Sustain = pRegion->GetEG2Sustain(reg);
103	iliev	2015	ri.EG2InfiniteSustain = true;
104	iliev	2027	ri.EG2Release = pRegion->GetEG2Release(reg);
105	iliev	2012
106	iliev	2027	// sample pitch
107	iliev	2015	ri.EG3Attack = 0; // TODO:
108			ri.EG3Depth = 0; // TODO:
109			ri.VCFEnabled = false; // TODO:
110	persson	2175	ri.VCFType = Filter::vcf_type_2p_lowpass; // TODO:
111	iliev	2015	ri.VCFResonance = 0; // TODO:
112	iliev	2012
113	iliev	2015	ri.ReleaseTriggerDecay = 0; // TODO:
114	iliev	2012
115	iliev	2015	return ri;
116			}
117
118			Voice::InstrumentInfo Voice::GetInstrumentInfo() {
119			InstrumentInfo ii;
120			ii.FineTune = 0; // TODO:
121			ii.PitchbendRange = 2; // TODO:
122
123			return ii;
124			}
125
126			double Voice::GetSampleAttenuation() {
127			return 1.0; // TODO:
128			}
129
130			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
131			return double(MIDIKeyVelocity) / 127.0f; // TODO:
132			}
133
134			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
135			return 0.9; // TODO:
136			}
137
138			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
139			/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
140			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
141			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
142			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
143			}
144			}*/ // TODO: ^^^
145			}
146
147			void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
148			/*int ccvalue = itEvent->Param.CC.Value;
149			if (VCFCutoffCtrl.value == ccvalue) return;
150			VCFCutoffCtrl.value == ccvalue;
151			if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
152			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
153			float cutoff = CutoffBase * float(ccvalue);
154			if (cutoff > 127.0f) cutoff = 127.0f;
155
156			VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
157			fFinalCutoff = cutoff;*/ // TODO: ^^^
158			}
159
160			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
161	iliev	2012	/*float crossfadeVolume;
162			switch (pRegion->AttenuationController.type) {
163			case ::gig::attenuation_ctrl_t::type_channelaftertouch:
164	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
165	iliev	2012	break;
166			case ::gig::attenuation_ctrl_t::type_velocity:
167	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
168	iliev	2012	break;
169			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
170	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
171	iliev	2012	break;
172			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
173			default:
174			crossfadeVolume = 1.0f;
175			}
176
177	iliev	2015	return crossfadeVolume;*/ // TODO: ^^^
178			return 1.0f;
179			}
180	iliev	2012
181	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
182			/*double eg1controllervalue = 0;
183			switch (pRegion->EG1Controller.type) {
184			case ::gig::eg1_ctrl_t::type_none: // no controller defined
185			eg1controllervalue = 0;
186			break;
187			case ::gig::eg1_ctrl_t::type_channelaftertouch:
188			eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128];
189			break;
190			case ::gig::eg1_ctrl_t::type_velocity:
191			eg1controllervalue = MIDIKeyVelocity;
192			break;
193			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
194			eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
195			break;
196	iliev	2012	}
197	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
198	iliev	2012
199	iliev	2015	return eg1controllervalue;*/ // TODO: ^^^
200			return 0;
201			}
202	iliev	2012
203	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
204			/*EGInfo eg;
205			// (eg1attack is different from the others)
206			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
207			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
208			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
209			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
210			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
211	iliev	2012
212	iliev	2015	return eg;*/ // TODO: ^^^
213			EGInfo eg;
214			eg.Attack = 1.0;
215			eg.Decay = 1.0;
216			eg.Release = 1.0;
217			return eg;
218			}
219	iliev	2012
220	persson	2055	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
221			EG1.trigger(uint(RgnInfo.EG1PreAttack),
222			RgnInfo.EG1Attack * egInfo.Attack,
223			RgnInfo.EG1Hold,
224			RgnInfo.EG1Decay1 * egInfo.Decay * velrelease,
225			RgnInfo.EG1Decay2 * egInfo.Decay * velrelease,
226			RgnInfo.EG1InfiniteSustain,
227			uint(RgnInfo.EG1Sustain),
228			RgnInfo.EG1Release * egInfo.Release * velrelease,
229			velocityAttenuation,
230			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
231			}
232
233	iliev	2015	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
234			/*double eg2controllervalue = 0;
235			switch (pRegion->EG2Controller.type) {
236			case ::gig::eg2_ctrl_t::type_none: // no controller defined
237			eg2controllervalue = 0;
238			break;
239			case ::gig::eg2_ctrl_t::type_channelaftertouch:
240			eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128];
241			break;
242			case ::gig::eg2_ctrl_t::type_velocity:
243			eg2controllervalue = MIDIKeyVelocity;
244			break;
245			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
246			eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
247			break;
248	iliev	2012	}
249	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
250	iliev	2012
251	iliev	2015	return eg2controllervalue;*/ // TODO: ^^^
252			return 0;
253			}
254	iliev	2012
255	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
256			/*EGInfo eg;
257			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
258			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
259			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
260	iliev	2012
261	iliev	2015	return eg;*/ // TODO: ^^^
262			EGInfo eg;
263			eg.Attack = 1.0;
264			eg.Decay = 1.0;
265			eg.Release = 1.0;
266			return eg;
267			}
268	iliev	2012
269	persson	2175	void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
270			EG2.trigger(uint(RgnInfo.EG2PreAttack),
271			RgnInfo.EG2Attack * egInfo.Attack,
272			false,
273			RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
274			RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
275			RgnInfo.EG2InfiniteSustain,
276			uint(RgnInfo.EG2Sustain),
277			RgnInfo.EG2Release * egInfo.Release * velrelease,
278			velocityAttenuation,
279			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
280			}
281
282	iliev	2015	void Voice::InitLFO1() {
283			/*uint16_t lfo1_internal_depth;
284			switch (pRegion->LFO1Controller) {
285			case ::gig::lfo1_ctrl_internal:
286			lfo1_internal_depth = pRegion->LFO1InternalDepth;
287			pLFO1->ExtController = 0; // no external controller
288			bLFO1Enabled = (lfo1_internal_depth > 0);
289			break;
290			case ::gig::lfo1_ctrl_modwheel:
291			lfo1_internal_depth = 0;
292			pLFO1->ExtController = 1; // MIDI controller 1
293			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
294			break;
295			case ::gig::lfo1_ctrl_breath:
296			lfo1_internal_depth = 0;
297			pLFO1->ExtController = 2; // MIDI controller 2
298			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
299			break;
300			case ::gig::lfo1_ctrl_internal_modwheel:
301			lfo1_internal_depth = pRegion->LFO1InternalDepth;
302			pLFO1->ExtController = 1; // MIDI controller 1
303			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
304			break;
305			case ::gig::lfo1_ctrl_internal_breath:
306			lfo1_internal_depth = pRegion->LFO1InternalDepth;
307			pLFO1->ExtController = 2; // MIDI controller 2
308			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
309			break;
310			default:
311			lfo1_internal_depth = 0;
312			pLFO1->ExtController = 0; // no external controller
313			bLFO1Enabled = false;
314	iliev	2012	}
315	iliev	2015	if (bLFO1Enabled) {
316			pLFO1->trigger(pRegion->LFO1Frequency,
317			start_level_min,
318			lfo1_internal_depth,
319			pRegion->LFO1ControlDepth,
320			pRegion->LFO1FlipPhase,
321			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
322			pLFO1->update(pLFO1->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
323	iliev	2012	}*/ // TODO: ^^^
324	iliev	2015	bLFO1Enabled = false;
325			}
326	iliev	2012
327	iliev	2015	void Voice::InitLFO2() {
328			/*uint16_t lfo2_internal_depth;
329			switch (pRegion->LFO2Controller) {
330			case ::gig::lfo2_ctrl_internal:
331			lfo2_internal_depth = pRegion->LFO2InternalDepth;
332			pLFO2->ExtController = 0; // no external controller
333			bLFO2Enabled = (lfo2_internal_depth > 0);
334			break;
335			case ::gig::lfo2_ctrl_modwheel:
336			lfo2_internal_depth = 0;
337			pLFO2->ExtController = 1; // MIDI controller 1
338			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
339			break;
340			case ::gig::lfo2_ctrl_foot:
341			lfo2_internal_depth = 0;
342			pLFO2->ExtController = 4; // MIDI controller 4
343			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
344			break;
345			case ::gig::lfo2_ctrl_internal_modwheel:
346			lfo2_internal_depth = pRegion->LFO2InternalDepth;
347			pLFO2->ExtController = 1; // MIDI controller 1
348			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
349			break;
350			case ::gig::lfo2_ctrl_internal_foot:
351			lfo2_internal_depth = pRegion->LFO2InternalDepth;
352			pLFO2->ExtController = 4; // MIDI controller 4
353			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
354			break;
355			default:
356			lfo2_internal_depth = 0;
357			pLFO2->ExtController = 0; // no external controller
358			bLFO2Enabled = false;
359	iliev	2012	}
360	iliev	2015	if (bLFO2Enabled) {
361			pLFO2->trigger(pRegion->LFO2Frequency,
362			start_level_max,
363			lfo2_internal_depth,
364			pRegion->LFO2ControlDepth,
365			pRegion->LFO2FlipPhase,
366			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
367			pLFO2->update(pLFO2->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
368	iliev	2012	}*/ // TODO: ^^^
369	iliev	2015	bLFO2Enabled = false;
370	iliev	2012	}
371
372	iliev	2015	void Voice::InitLFO3() {
373			/*uint16_t lfo3_internal_depth;
374			switch (pRegion->LFO3Controller) {
375			case ::gig::lfo3_ctrl_internal:
376			lfo3_internal_depth = pRegion->LFO3InternalDepth;
377			pLFO3->ExtController = 0; // no external controller
378			bLFO3Enabled = (lfo3_internal_depth > 0);
379	iliev	2012	break;
380	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
381			lfo3_internal_depth = 0;
382			pLFO3->ExtController = 1; // MIDI controller 1
383			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
384	iliev	2012	break;
385	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
386			lfo3_internal_depth = 0;
387			pLFO3->ExtController = 128;
388			bLFO3Enabled = true;
389	iliev	2012	break;
390	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
391			lfo3_internal_depth = pRegion->LFO3InternalDepth;
392			pLFO3->ExtController = 1; // MIDI controller 1
393			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
394			break;
395			case ::gig::lfo3_ctrl_internal_aftertouch:
396			lfo3_internal_depth = pRegion->LFO3InternalDepth;
397			pLFO1->ExtController = 128;
398			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
399			break;
400			default:
401			lfo3_internal_depth = 0;
402			pLFO3->ExtController = 0; // no external controller
403			bLFO3Enabled = false;
404	iliev	2012	}
405	iliev	2015	if (bLFO3Enabled) {
406			pLFO3->trigger(pRegion->LFO3Frequency,
407			start_level_mid,
408			lfo3_internal_depth,
409			pRegion->LFO3ControlDepth,
410			false,
411			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
412			pLFO3->update(pLFO3->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
413			}*/ // TODO: ^^^
414			bLFO3Enabled = false;
415	iliev	2012	}
416
417	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
418			/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
419			if (pRegion->VCFKeyboardTracking) {
420	persson	2175	cutoff = RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) 100);
421	iliev	2012	}
422	iliev	2015	return cutoff;*/ // TODO: ^^^
423			return 1.0f;
424	iliev	2012	}
425
426	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
427			/*int cvalue;
428			if (VCFCutoffCtrl.controller) {
429			cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
430			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
431			// VCFVelocityScale in this case means Minimum cutoff
432			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
433	iliev	2012	}
434	iliev	2015	else {
435			cvalue = pRegion->VCFCutoff;
436			}
437			float fco = cutoffBase * float(cvalue);
438			if (fco > 127.0f) fco = 127.0f;
439	iliev	2012
440	iliev	2015	return fco;*/ // TODO: ^^^
441			return 0.0f;
442	iliev	2012	}
443
444	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
445			/*uint8_t ctrl;
446			switch (pRegion->VCFCutoffController) {
447			case ::gig::vcf_cutoff_ctrl_modwheel:
448			ctrl = 1;
449			break;
450			case ::gig::vcf_cutoff_ctrl_effect1:
451			ctrl = 12;
452			break;
453			case ::gig::vcf_cutoff_ctrl_effect2:
454			ctrl = 13;
455			break;
456			case ::gig::vcf_cutoff_ctrl_breath:
457			ctrl = 2;
458			break;
459			case ::gig::vcf_cutoff_ctrl_foot:
460			ctrl = 4;
461			break;
462			case ::gig::vcf_cutoff_ctrl_sustainpedal:
463			ctrl = 64;
464			break;
465			case ::gig::vcf_cutoff_ctrl_softpedal:
466			ctrl = 67;
467			break;
468			case ::gig::vcf_cutoff_ctrl_genpurpose7:
469			ctrl = 82;
470			break;
471			case ::gig::vcf_cutoff_ctrl_genpurpose8:
472			ctrl = 83;
473			break;
474			case ::gig::vcf_cutoff_ctrl_aftertouch:
475			ctrl = 128;
476			break;
477			case ::gig::vcf_cutoff_ctrl_none:
478			default:
479			ctrl = 0;
480			break;
481	iliev	2012	}
482
483	iliev	2015	return ctrl;*/ // TODO: ^^^
484			return 0;
485	iliev	2012	}
486
487	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
488			/*uint8_t ctrl;
489			switch (pRegion->VCFResonanceController) {
490			case ::gig::vcf_res_ctrl_genpurpose3:
491			ctrl = 18;
492			break;
493			case ::gig::vcf_res_ctrl_genpurpose4:
494			ctrl = 19;
495			break;
496			case ::gig::vcf_res_ctrl_genpurpose5:
497			ctrl = 80;
498			break;
499			case ::gig::vcf_res_ctrl_genpurpose6:
500			ctrl = 81;
501			break;
502			case ::gig::vcf_res_ctrl_none:
503			default:
504			ctrl = 0;
505	iliev	2012	}
506
507	iliev	2015	return ctrl;*/ // TODO: ^^^
508			return 0;
509	iliev	2012	}
510
511	persson	2114	void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
512			if (itEvent->Param.Note.Key != MIDIKey) {
513			// kill the voice fast
514			pEG1->enterFadeOutStage();
515			}
516			}
517
518	iliev	2012	}} // namespace LinuxSampler::sf2