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	/***************************************************************************
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	* Copyright (C) 2009 Grigor Iliev *
8	* *
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	#include "Voice.h"
26
27	#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
38	}
39
40	EngineChannel* Voice::GetSf2EngineChannel() {
41	return static_cast<EngineChannel*>(pEngineChannel);
42	}
43
44	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	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
59	si.HasLoops = pRegion->HasLoop;
60	si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0;
61	si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
62	si.LoopPlayCount = 0; // TODO:
63	si.Unpitched = pSample->IsUnpitched();
64
65	return si;
66	}
67
68	Voice::RegionInfo Voice::GetRegionInfo() {
69	::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	RegionInfo ri;
79	ri.UnityNote = pRegion->GetUnityNote();
80	ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
81	ri.Pan = pRegion->GetPan(reg);
82	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
83
84	// sample amplitude
85	ri.EG1PreAttack = 1000;
86	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	ri.EG1InfiniteSustain = true;
92	ri.EG1Release = pRegion->GetEG1Release(reg);
93
94	// filter cutoff frequency
95	ri.EG2PreAttack = 1000;
96	ri.EG2Attack = pRegion->GetEG2Attack(reg);
97	//ri.EG2Hold = pRegion->EG2Hold; // TODO:
98	ri.EG2Decay1 = pRegion->GetEG2Decay(reg);
99	ri.EG2Decay2 = pRegion->GetEG2Decay(reg);
100	ri.EG2Sustain = pRegion->GetEG2Sustain(reg);
101	ri.EG2InfiniteSustain = true;
102	ri.EG2Release = pRegion->GetEG2Release(reg);
103
104	// sample pitch
105	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
111	ri.ReleaseTriggerDecay = 0; // TODO:
112
113	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	/*float crossfadeVolume;
160	switch (pRegion->AttenuationController.type) {
161	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
162	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
163	break;
164	case ::gig::attenuation_ctrl_t::type_velocity:
165	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
166	break;
167	case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
168	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
169	break;
170	case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
171	default:
172	crossfadeVolume = 1.0f;
173	}
174
175	return crossfadeVolume;*/ // TODO: ^^^
176	return 1.0f;
177	}
178
179	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	}
195	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
196
197	return eg1controllervalue;*/ // TODO: ^^^
198	return 0;
199	}
200
201	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
210	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
218	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	}
234	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
235
236	return eg2controllervalue;*/ // TODO: ^^^
237	return 0;
238	}
239
240	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
246	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
254	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	}
287	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	}*/ // TODO: ^^^
296	bLFO1Enabled = false;
297	}
298
299	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	}
332	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	}*/ // TODO: ^^^
341	bLFO2Enabled = false;
342	}
343
344	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	break;
352	case ::gig::lfo3_ctrl_modwheel:
353	lfo3_internal_depth = 0;
354	pLFO3->ExtController = 1; // MIDI controller 1
355	bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
356	break;
357	case ::gig::lfo3_ctrl_aftertouch:
358	lfo3_internal_depth = 0;
359	pLFO3->ExtController = 128;
360	bLFO3Enabled = true;
361	break;
362	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	}
377	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	}
388
389	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	}
394	return cutoff;*/ // TODO: ^^^
395	return 1.0f;
396	}
397
398	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	}
406	else {
407	cvalue = pRegion->VCFCutoff;
408	}
409	float fco = cutoffBase * float(cvalue);
410	if (fco > 127.0f) fco = 127.0f;
411
412	return fco;*/ // TODO: ^^^
413	return 0.0f;
414	}
415
416	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	}
454
455	return ctrl;*/ // TODO: ^^^
456	return 0;
457	}
458
459	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	}
478
479	return ctrl;*/ // TODO: ^^^
480	return 0;
481	}
482
483	}} // namespace LinuxSampler::sf2