engines/sf2/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2009 Christian Schoenebeck                       *
 *   Copyright (C) 2009 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;
    }

    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       = ::gig::vcf_type_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;
    }

    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::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 *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
        }
        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;
    }

}} // 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			* Copyright (C) 2005 - 2009 Christian Schoenebeck *
7	iliev	2015	* Copyright (C) 2009 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			pEngine = NULL;
34			}
35
36			Voice::~Voice() {
37	iliev	2015
38	iliev	2012	}
39
40	iliev	2015	EngineChannel* Voice::GetSf2EngineChannel() {
41			return static_cast<EngineChannel*>(pEngineChannel);
42			}
43
44	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
45			Engine* engine = static_cast<Engine*>(pEngine);
46			this->pEngine = engine;
47			this->pDiskThread = engine->pDiskThread;
48			dmsg(6,("Voice::SetEngine()\n"));
49			}
50
51	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
52			SampleInfo si;
53			si.SampleRate = pSample->SampleRate;
54			si.ChannelCount = pSample->GetChannelCount();
55			si.FrameSize = pSample->GetFrameSize();
56			si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
57			si.TotalFrameCount = pSample->GetTotalFrameCount();
58	iliev	2012
59	iliev	2021	si.HasLoops = pRegion->HasLoop;
60			si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0;
61			si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
62	iliev	2015	si.LoopPlayCount = 0; // TODO:
63			si.Unpitched = pSample->IsUnpitched();
64	iliev	2012
65	iliev	2015	return si;
66			}
67	iliev	2012
68	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
69	iliev	2027	::sf2::Region* reg = NULL;
70			::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument;
71			for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization?
72			if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) {
73			reg = preset->GetRegion(i); // TODO: Can the instrument belongs to more than one preset regions?
74			break;
75			}
76			}
77
78	iliev	2015	RegionInfo ri;
79	iliev	2021	ri.UnityNote = pRegion->GetUnityNote();
80	iliev	2027	ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
81			ri.Pan = pRegion->GetPan(reg);
82	iliev	2015	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
83	iliev	2012
84	iliev	2027	// sample amplitude
85	iliev	2015	ri.EG1PreAttack = 1000;
86	iliev	2027	ri.EG1Attack = pRegion->GetEG1Attack(reg);
87			ri.EG1Hold = pRegion->GetEG1Hold(reg);
88			ri.EG1Decay1 = pRegion->GetEG1Decay(reg);
89			ri.EG1Decay2 = pRegion->GetEG1Decay(reg);
90			ri.EG1Sustain = pRegion->GetEG1Sustain(reg);
91	iliev	2015	ri.EG1InfiniteSustain = true;
92	iliev	2027	ri.EG1Release = pRegion->GetEG1Release(reg);
93	iliev	2012
94	iliev	2027	// filter cutoff frequency
95	iliev	2015	ri.EG2PreAttack = 1000;
96	iliev	2027	ri.EG2Attack = pRegion->GetEG2Attack(reg);
97	iliev	2015	//ri.EG2Hold = pRegion->EG2Hold; // TODO:
98	iliev	2027	ri.EG2Decay1 = pRegion->GetEG2Decay(reg);
99			ri.EG2Decay2 = pRegion->GetEG2Decay(reg);
100			ri.EG2Sustain = pRegion->GetEG2Sustain(reg);
101	iliev	2015	ri.EG2InfiniteSustain = true;
102	iliev	2027	ri.EG2Release = pRegion->GetEG2Release(reg);
103	iliev	2012
104	iliev	2027	// sample pitch
105	iliev	2015	ri.EG3Attack = 0; // TODO:
106			ri.EG3Depth = 0; // TODO:
107			ri.VCFEnabled = false; // TODO:
108			ri.VCFType = ::gig::vcf_type_lowpass; // TODO:
109			ri.VCFResonance = 0; // TODO:
110	iliev	2012
111	iliev	2015	ri.ReleaseTriggerDecay = 0; // TODO:
112	iliev	2012
113	iliev	2015	return ri;
114			}
115
116			Voice::InstrumentInfo Voice::GetInstrumentInfo() {
117			InstrumentInfo ii;
118			ii.FineTune = 0; // TODO:
119			ii.PitchbendRange = 2; // TODO:
120
121			return ii;
122			}
123
124			double Voice::GetSampleAttenuation() {
125			return 1.0; // TODO:
126			}
127
128			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
129			return double(MIDIKeyVelocity) / 127.0f; // TODO:
130			}
131
132			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
133			return 0.9; // TODO:
134			}
135
136			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
137			/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
138			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
139			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
140			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
141			}
142			}*/ // TODO: ^^^
143			}
144
145			void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
146			/*int ccvalue = itEvent->Param.CC.Value;
147			if (VCFCutoffCtrl.value == ccvalue) return;
148			VCFCutoffCtrl.value == ccvalue;
149			if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
150			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
151			float cutoff = CutoffBase * float(ccvalue);
152			if (cutoff > 127.0f) cutoff = 127.0f;
153
154			VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
155			fFinalCutoff = cutoff;*/ // TODO: ^^^
156			}
157
158			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
159	iliev	2012	/*float crossfadeVolume;
160			switch (pRegion->AttenuationController.type) {
161			case ::gig::attenuation_ctrl_t::type_channelaftertouch:
162	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
163	iliev	2012	break;
164			case ::gig::attenuation_ctrl_t::type_velocity:
165	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
166	iliev	2012	break;
167			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
168	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
169	iliev	2012	break;
170			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
171			default:
172			crossfadeVolume = 1.0f;
173			}
174
175	iliev	2015	return crossfadeVolume;*/ // TODO: ^^^
176			return 1.0f;
177			}
178	iliev	2012
179	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
180			/*double eg1controllervalue = 0;
181			switch (pRegion->EG1Controller.type) {
182			case ::gig::eg1_ctrl_t::type_none: // no controller defined
183			eg1controllervalue = 0;
184			break;
185			case ::gig::eg1_ctrl_t::type_channelaftertouch:
186			eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128];
187			break;
188			case ::gig::eg1_ctrl_t::type_velocity:
189			eg1controllervalue = MIDIKeyVelocity;
190			break;
191			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
192			eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
193			break;
194	iliev	2012	}
195	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
196	iliev	2012
197	iliev	2015	return eg1controllervalue;*/ // TODO: ^^^
198			return 0;
199			}
200	iliev	2012
201	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
202			/*EGInfo eg;
203			// (eg1attack is different from the others)
204			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
205			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
206			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
207			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
208			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
209	iliev	2012
210	iliev	2015	return eg;*/ // TODO: ^^^
211			EGInfo eg;
212			eg.Attack = 1.0;
213			eg.Decay = 1.0;
214			eg.Release = 1.0;
215			return eg;
216			}
217	iliev	2012
218	iliev	2015	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
219			/*double eg2controllervalue = 0;
220			switch (pRegion->EG2Controller.type) {
221			case ::gig::eg2_ctrl_t::type_none: // no controller defined
222			eg2controllervalue = 0;
223			break;
224			case ::gig::eg2_ctrl_t::type_channelaftertouch:
225			eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128];
226			break;
227			case ::gig::eg2_ctrl_t::type_velocity:
228			eg2controllervalue = MIDIKeyVelocity;
229			break;
230			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
231			eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
232			break;
233	iliev	2012	}
234	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
235	iliev	2012
236	iliev	2015	return eg2controllervalue;*/ // TODO: ^^^
237			return 0;
238			}
239	iliev	2012
240	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
241			/*EGInfo eg;
242			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
243			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
244			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
245	iliev	2012
246	iliev	2015	return eg;*/ // TODO: ^^^
247			EGInfo eg;
248			eg.Attack = 1.0;
249			eg.Decay = 1.0;
250			eg.Release = 1.0;
251			return eg;
252			}
253	iliev	2012
254	iliev	2015	void Voice::InitLFO1() {
255			/*uint16_t lfo1_internal_depth;
256			switch (pRegion->LFO1Controller) {
257			case ::gig::lfo1_ctrl_internal:
258			lfo1_internal_depth = pRegion->LFO1InternalDepth;
259			pLFO1->ExtController = 0; // no external controller
260			bLFO1Enabled = (lfo1_internal_depth > 0);
261			break;
262			case ::gig::lfo1_ctrl_modwheel:
263			lfo1_internal_depth = 0;
264			pLFO1->ExtController = 1; // MIDI controller 1
265			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
266			break;
267			case ::gig::lfo1_ctrl_breath:
268			lfo1_internal_depth = 0;
269			pLFO1->ExtController = 2; // MIDI controller 2
270			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
271			break;
272			case ::gig::lfo1_ctrl_internal_modwheel:
273			lfo1_internal_depth = pRegion->LFO1InternalDepth;
274			pLFO1->ExtController = 1; // MIDI controller 1
275			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
276			break;
277			case ::gig::lfo1_ctrl_internal_breath:
278			lfo1_internal_depth = pRegion->LFO1InternalDepth;
279			pLFO1->ExtController = 2; // MIDI controller 2
280			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
281			break;
282			default:
283			lfo1_internal_depth = 0;
284			pLFO1->ExtController = 0; // no external controller
285			bLFO1Enabled = false;
286	iliev	2012	}
287	iliev	2015	if (bLFO1Enabled) {
288			pLFO1->trigger(pRegion->LFO1Frequency,
289			start_level_min,
290			lfo1_internal_depth,
291			pRegion->LFO1ControlDepth,
292			pRegion->LFO1FlipPhase,
293			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
294			pLFO1->update(pLFO1->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
295	iliev	2012	}*/ // TODO: ^^^
296	iliev	2015	bLFO1Enabled = false;
297			}
298	iliev	2012
299	iliev	2015	void Voice::InitLFO2() {
300			/*uint16_t lfo2_internal_depth;
301			switch (pRegion->LFO2Controller) {
302			case ::gig::lfo2_ctrl_internal:
303			lfo2_internal_depth = pRegion->LFO2InternalDepth;
304			pLFO2->ExtController = 0; // no external controller
305			bLFO2Enabled = (lfo2_internal_depth > 0);
306			break;
307			case ::gig::lfo2_ctrl_modwheel:
308			lfo2_internal_depth = 0;
309			pLFO2->ExtController = 1; // MIDI controller 1
310			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
311			break;
312			case ::gig::lfo2_ctrl_foot:
313			lfo2_internal_depth = 0;
314			pLFO2->ExtController = 4; // MIDI controller 4
315			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
316			break;
317			case ::gig::lfo2_ctrl_internal_modwheel:
318			lfo2_internal_depth = pRegion->LFO2InternalDepth;
319			pLFO2->ExtController = 1; // MIDI controller 1
320			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
321			break;
322			case ::gig::lfo2_ctrl_internal_foot:
323			lfo2_internal_depth = pRegion->LFO2InternalDepth;
324			pLFO2->ExtController = 4; // MIDI controller 4
325			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
326			break;
327			default:
328			lfo2_internal_depth = 0;
329			pLFO2->ExtController = 0; // no external controller
330			bLFO2Enabled = false;
331	iliev	2012	}
332	iliev	2015	if (bLFO2Enabled) {
333			pLFO2->trigger(pRegion->LFO2Frequency,
334			start_level_max,
335			lfo2_internal_depth,
336			pRegion->LFO2ControlDepth,
337			pRegion->LFO2FlipPhase,
338			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
339			pLFO2->update(pLFO2->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
340	iliev	2012	}*/ // TODO: ^^^
341	iliev	2015	bLFO2Enabled = false;
342	iliev	2012	}
343
344	iliev	2015	void Voice::InitLFO3() {
345			/*uint16_t lfo3_internal_depth;
346			switch (pRegion->LFO3Controller) {
347			case ::gig::lfo3_ctrl_internal:
348			lfo3_internal_depth = pRegion->LFO3InternalDepth;
349			pLFO3->ExtController = 0; // no external controller
350			bLFO3Enabled = (lfo3_internal_depth > 0);
351	iliev	2012	break;
352	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
353			lfo3_internal_depth = 0;
354			pLFO3->ExtController = 1; // MIDI controller 1
355			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
356	iliev	2012	break;
357	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
358			lfo3_internal_depth = 0;
359			pLFO3->ExtController = 128;
360			bLFO3Enabled = true;
361	iliev	2012	break;
362	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
363			lfo3_internal_depth = pRegion->LFO3InternalDepth;
364			pLFO3->ExtController = 1; // MIDI controller 1
365			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
366			break;
367			case ::gig::lfo3_ctrl_internal_aftertouch:
368			lfo3_internal_depth = pRegion->LFO3InternalDepth;
369			pLFO1->ExtController = 128;
370			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
371			break;
372			default:
373			lfo3_internal_depth = 0;
374			pLFO3->ExtController = 0; // no external controller
375			bLFO3Enabled = false;
376	iliev	2012	}
377	iliev	2015	if (bLFO3Enabled) {
378			pLFO3->trigger(pRegion->LFO3Frequency,
379			start_level_mid,
380			lfo3_internal_depth,
381			pRegion->LFO3ControlDepth,
382			false,
383			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
384			pLFO3->update(pLFO3->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
385			}*/ // TODO: ^^^
386			bLFO3Enabled = false;
387	iliev	2012	}
388
389	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
390			/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
391			if (pRegion->VCFKeyboardTracking) {
392			cutoff = exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) 0.057762265f); // (ln(2) / 12)
393	iliev	2012	}
394	iliev	2015	return cutoff;*/ // TODO: ^^^
395			return 1.0f;
396	iliev	2012	}
397
398	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
399			/*int cvalue;
400			if (VCFCutoffCtrl.controller) {
401			cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
402			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
403			// VCFVelocityScale in this case means Minimum cutoff
404			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
405	iliev	2012	}
406	iliev	2015	else {
407			cvalue = pRegion->VCFCutoff;
408			}
409			float fco = cutoffBase * float(cvalue);
410			if (fco > 127.0f) fco = 127.0f;
411	iliev	2012
412	iliev	2015	return fco;*/ // TODO: ^^^
413			return 0.0f;
414	iliev	2012	}
415
416	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
417			/*uint8_t ctrl;
418			switch (pRegion->VCFCutoffController) {
419			case ::gig::vcf_cutoff_ctrl_modwheel:
420			ctrl = 1;
421			break;
422			case ::gig::vcf_cutoff_ctrl_effect1:
423			ctrl = 12;
424			break;
425			case ::gig::vcf_cutoff_ctrl_effect2:
426			ctrl = 13;
427			break;
428			case ::gig::vcf_cutoff_ctrl_breath:
429			ctrl = 2;
430			break;
431			case ::gig::vcf_cutoff_ctrl_foot:
432			ctrl = 4;
433			break;
434			case ::gig::vcf_cutoff_ctrl_sustainpedal:
435			ctrl = 64;
436			break;
437			case ::gig::vcf_cutoff_ctrl_softpedal:
438			ctrl = 67;
439			break;
440			case ::gig::vcf_cutoff_ctrl_genpurpose7:
441			ctrl = 82;
442			break;
443			case ::gig::vcf_cutoff_ctrl_genpurpose8:
444			ctrl = 83;
445			break;
446			case ::gig::vcf_cutoff_ctrl_aftertouch:
447			ctrl = 128;
448			break;
449			case ::gig::vcf_cutoff_ctrl_none:
450			default:
451			ctrl = 0;
452			break;
453	iliev	2012	}
454
455	iliev	2015	return ctrl;*/ // TODO: ^^^
456			return 0;
457	iliev	2012	}
458
459	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
460			/*uint8_t ctrl;
461			switch (pRegion->VCFResonanceController) {
462			case ::gig::vcf_res_ctrl_genpurpose3:
463			ctrl = 18;
464			break;
465			case ::gig::vcf_res_ctrl_genpurpose4:
466			ctrl = 19;
467			break;
468			case ::gig::vcf_res_ctrl_genpurpose5:
469			ctrl = 80;
470			break;
471			case ::gig::vcf_res_ctrl_genpurpose6:
472			ctrl = 81;
473			break;
474			case ::gig::vcf_res_ctrl_none:
475			default:
476			ctrl = 0;
477	iliev	2012	}
478
479	iliev	2015	return ctrl;*/ // TODO: ^^^
480			return 0;
481	iliev	2012	}
482
483			}} // namespace LinuxSampler::sf2