engines/sfz/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 - 2010 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 sfz {

    Voice::Voice() {
        pEngine     = NULL;
    }

    Voice::~Voice() {

    }

    EngineChannel* Voice::GetSfzEngineChannel() {
        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->GetSampleRate();
        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      = pRegion->GetLoopStart();
        si.LoopLength     = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
        si.LoopPlayCount  = pRegion->GetLoopCount();
        si.Unpitched      = pRegion->pitch_keytrack == 0;
        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        RegionInfo ri;
        ri.UnityNote = pRegion->pitch_keycenter;
        ri.FineTune  = pRegion->tune;
        ri.Pan       = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
        ri.SampleStartOffset = 0; // TODO: 

        ri.EG1PreAttack        = pRegion->ampeg_start * 10;
        ri.EG1Attack           = pRegion->ampeg_attack;
        ri.EG1Hold             = pRegion->ampeg_hold;
        ri.EG1Decay1           = pRegion->ampeg_decay;
        ri.EG1Decay2           = pRegion->ampeg_decay;
        ri.EG1Sustain          = pRegion->ampeg_sustain * 10;
        ri.EG1InfiniteSustain  = true;
        ri.EG1Release          = pRegion->ampeg_release;

        ri.EG2PreAttack        = pRegion->fileg_start * 10;
        ri.EG2Attack           = pRegion->fileg_attack;
        //ri.EG2Hold             = pRegion->fileg_hold; // TODO: 
        ri.EG2Decay1           = pRegion->fileg_decay;
        ri.EG2Decay2           = pRegion->fileg_decay;
        ri.EG2Sustain          = pRegion->fileg_sustain * 10;
        ri.EG2InfiniteSustain  = true;
        ri.EG2Release          = pRegion->fileg_release;

        ri.EG3Attack     = pRegion->pitcheg_attack;
        ri.EG3Depth      = 0; // TODO:
        ri.VCFEnabled    = false; // TODO:
        ri.VCFType       = ::gig::vcf_type_lowpass; // TODO:
        ri.VCFResonance  = 0; // TODO:

        ri.ReleaseTriggerDecay = 0;

        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(GetSfzEngineChannel()->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(GetSfzEngineChannel()->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 = GetSfzEngineChannel()->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 = GetSfzEngineChannel()->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) {

        // TODO: controller modulation

        // first check if there is a v2 EG for amplitude
        for (int i = 0 ; i < pRegion->eg.size() ; i++) {
            if (pRegion->eg[i].amplitude > 0) {
                // TODO: actually use the value of the amplitude parameter
                pEG1 = &EG1;
                EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity);
                return;
            }
        }

        // otherwise use the v1 EGADSR
        pEG1 = &EGADSR1;
        EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
                        RgnInfo.EG1Attack,
                        RgnInfo.EG1Hold,
                        RgnInfo.EG1Decay1,
                        uint(RgnInfo.EG1Sustain),
                        RgnInfo.EG1Release,
                        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 = GetSfzEngineChannel()->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 = GetSfzEngineChannel()->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 ? GetSfzEngineChannel()->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 ? GetSfzEngineChannel()->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 ? GetSfzEngineChannel()->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 = GetSfzEngineChannel()->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 127.0f;
    }

    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::sfz
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	* Copyright (C) 2009 - 2010 Christian Schoenebeck and 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 sfz {
31
32	Voice::Voice() {
33	pEngine = NULL;
34	}
35
36	Voice::~Voice() {
37
38	}
39
40	EngineChannel* Voice::GetSfzEngineChannel() {
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->GetSampleRate();
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 = pRegion->GetLoopStart();
61	si.LoopLength = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
62	si.LoopPlayCount = pRegion->GetLoopCount();
63	si.Unpitched = pRegion->pitch_keytrack == 0;
64	return si;
65	}
66
67	Voice::RegionInfo Voice::GetRegionInfo() {
68	RegionInfo ri;
69	ri.UnityNote = pRegion->pitch_keycenter;
70	ri.FineTune = pRegion->tune;
71	ri.Pan = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
72	ri.SampleStartOffset = 0; // TODO:
73
74	ri.EG1PreAttack = pRegion->ampeg_start * 10;
75	ri.EG1Attack = pRegion->ampeg_attack;
76	ri.EG1Hold = pRegion->ampeg_hold;
77	ri.EG1Decay1 = pRegion->ampeg_decay;
78	ri.EG1Decay2 = pRegion->ampeg_decay;
79	ri.EG1Sustain = pRegion->ampeg_sustain * 10;
80	ri.EG1InfiniteSustain = true;
81	ri.EG1Release = pRegion->ampeg_release;
82
83	ri.EG2PreAttack = pRegion->fileg_start * 10;
84	ri.EG2Attack = pRegion->fileg_attack;
85	//ri.EG2Hold = pRegion->fileg_hold; // TODO:
86	ri.EG2Decay1 = pRegion->fileg_decay;
87	ri.EG2Decay2 = pRegion->fileg_decay;
88	ri.EG2Sustain = pRegion->fileg_sustain * 10;
89	ri.EG2InfiniteSustain = true;
90	ri.EG2Release = pRegion->fileg_release;
91
92	ri.EG3Attack = pRegion->pitcheg_attack;
93	ri.EG3Depth = 0; // TODO:
94	ri.VCFEnabled = false; // TODO:
95	ri.VCFType = ::gig::vcf_type_lowpass; // TODO:
96	ri.VCFResonance = 0; // TODO:
97
98	ri.ReleaseTriggerDecay = 0;
99
100	return ri;
101	}
102
103	Voice::InstrumentInfo Voice::GetInstrumentInfo() {
104	InstrumentInfo ii;
105	ii.FineTune = 0; // TODO:
106	ii.PitchbendRange = 2; // TODO:
107
108	return ii;
109	}
110
111	double Voice::GetSampleAttenuation() {
112	return 1.0; // TODO:
113	}
114
115	double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
116	return double(MIDIKeyVelocity) / 127.0f; // TODO:
117	}
118
119	double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
120	return 0.9; // TODO:
121	}
122
123	void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
124	/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
125	if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
126	itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
127	CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
128	}
129	}*/ // TODO: ^^^
130	}
131
132	void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
133	/*int ccvalue = itEvent->Param.CC.Value;
134	if (VCFCutoffCtrl.value == ccvalue) return;
135	VCFCutoffCtrl.value == ccvalue;
136	if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
137	if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
138	float cutoff = CutoffBase * float(ccvalue);
139	if (cutoff > 127.0f) cutoff = 127.0f;
140
141	VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
142	fFinalCutoff = cutoff;*/ // TODO: ^^^
143	}
144
145	double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
146	/*float crossfadeVolume;
147	switch (pRegion->AttenuationController.type) {
148	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
149	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[128])];
150	break;
151	case ::gig::attenuation_ctrl_t::type_velocity:
152	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
153	break;
154	case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
155	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
156	break;
157	case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
158	default:
159	crossfadeVolume = 1.0f;
160	}
161
162	return crossfadeVolume;*/ // TODO: ^^^
163	return 1.0f;
164	}
165
166	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
167	/*double eg1controllervalue = 0;
168	switch (pRegion->EG1Controller.type) {
169	case ::gig::eg1_ctrl_t::type_none: // no controller defined
170	eg1controllervalue = 0;
171	break;
172	case ::gig::eg1_ctrl_t::type_channelaftertouch:
173	eg1controllervalue = GetSfzEngineChannel()->ControllerTable[128];
174	break;
175	case ::gig::eg1_ctrl_t::type_velocity:
176	eg1controllervalue = MIDIKeyVelocity;
177	break;
178	case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
179	eg1controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
180	break;
181	}
182	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
183
184	return eg1controllervalue;*/ // TODO: ^^^
185	return 0;
186	}
187
188	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
189	/*EGInfo eg;
190	// (eg1attack is different from the others)
191	eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
192	1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
193	1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
194	eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
195	eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
196
197	return eg;*/ // TODO: ^^^
198	EGInfo eg;
199	eg.Attack = 1.0;
200	eg.Decay = 1.0;
201	eg.Release = 1.0;
202	return eg;
203	}
204
205	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
206
207	// TODO: controller modulation
208
209	// first check if there is a v2 EG for amplitude
210	for (int i = 0 ; i < pRegion->eg.size() ; i++) {
211	if (pRegion->eg[i].amplitude > 0) {
212	// TODO: actually use the value of the amplitude parameter
213	pEG1 = &EG1;
214	EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity);
215	return;
216	}
217	}
218
219	// otherwise use the v1 EGADSR
220	pEG1 = &EGADSR1;
221	EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
222	RgnInfo.EG1Attack,
223	RgnInfo.EG1Hold,
224	RgnInfo.EG1Decay1,
225	uint(RgnInfo.EG1Sustain),
226	RgnInfo.EG1Release,
227	sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
228	}
229
230	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
231	/*double eg2controllervalue = 0;
232	switch (pRegion->EG2Controller.type) {
233	case ::gig::eg2_ctrl_t::type_none: // no controller defined
234	eg2controllervalue = 0;
235	break;
236	case ::gig::eg2_ctrl_t::type_channelaftertouch:
237	eg2controllervalue = GetSfzEngineChannel()->ControllerTable[128];
238	break;
239	case ::gig::eg2_ctrl_t::type_velocity:
240	eg2controllervalue = MIDIKeyVelocity;
241	break;
242	case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
243	eg2controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
244	break;
245	}
246	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
247
248	return eg2controllervalue;*/ // TODO: ^^^
249	return 0;
250	}
251
252	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
253	/*EGInfo eg;
254	eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
255	eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
256	eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
257
258	return eg;*/ // TODO: ^^^
259	EGInfo eg;
260	eg.Attack = 1.0;
261	eg.Decay = 1.0;
262	eg.Release = 1.0;
263	return eg;
264	}
265
266	void Voice::InitLFO1() {
267	/*uint16_t lfo1_internal_depth;
268	switch (pRegion->LFO1Controller) {
269	case ::gig::lfo1_ctrl_internal:
270	lfo1_internal_depth = pRegion->LFO1InternalDepth;
271	pLFO1->ExtController = 0; // no external controller
272	bLFO1Enabled = (lfo1_internal_depth > 0);
273	break;
274	case ::gig::lfo1_ctrl_modwheel:
275	lfo1_internal_depth = 0;
276	pLFO1->ExtController = 1; // MIDI controller 1
277	bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
278	break;
279	case ::gig::lfo1_ctrl_breath:
280	lfo1_internal_depth = 0;
281	pLFO1->ExtController = 2; // MIDI controller 2
282	bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
283	break;
284	case ::gig::lfo1_ctrl_internal_modwheel:
285	lfo1_internal_depth = pRegion->LFO1InternalDepth;
286	pLFO1->ExtController = 1; // MIDI controller 1
287	bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
288	break;
289	case ::gig::lfo1_ctrl_internal_breath:
290	lfo1_internal_depth = pRegion->LFO1InternalDepth;
291	pLFO1->ExtController = 2; // MIDI controller 2
292	bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
293	break;
294	default:
295	lfo1_internal_depth = 0;
296	pLFO1->ExtController = 0; // no external controller
297	bLFO1Enabled = false;
298	}
299	if (bLFO1Enabled) {
300	pLFO1->trigger(pRegion->LFO1Frequency,
301	start_level_min,
302	lfo1_internal_depth,
303	pRegion->LFO1ControlDepth,
304	pRegion->LFO1FlipPhase,
305	pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
306	pLFO1->update(pLFO1->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
307	}*/ // TODO: ^^^
308	bLFO1Enabled = false;
309	}
310
311	void Voice::InitLFO2() {
312	/*uint16_t lfo2_internal_depth;
313	switch (pRegion->LFO2Controller) {
314	case ::gig::lfo2_ctrl_internal:
315	lfo2_internal_depth = pRegion->LFO2InternalDepth;
316	pLFO2->ExtController = 0; // no external controller
317	bLFO2Enabled = (lfo2_internal_depth > 0);
318	break;
319	case ::gig::lfo2_ctrl_modwheel:
320	lfo2_internal_depth = 0;
321	pLFO2->ExtController = 1; // MIDI controller 1
322	bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
323	break;
324	case ::gig::lfo2_ctrl_foot:
325	lfo2_internal_depth = 0;
326	pLFO2->ExtController = 4; // MIDI controller 4
327	bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
328	break;
329	case ::gig::lfo2_ctrl_internal_modwheel:
330	lfo2_internal_depth = pRegion->LFO2InternalDepth;
331	pLFO2->ExtController = 1; // MIDI controller 1
332	bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
333	break;
334	case ::gig::lfo2_ctrl_internal_foot:
335	lfo2_internal_depth = pRegion->LFO2InternalDepth;
336	pLFO2->ExtController = 4; // MIDI controller 4
337	bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
338	break;
339	default:
340	lfo2_internal_depth = 0;
341	pLFO2->ExtController = 0; // no external controller
342	bLFO2Enabled = false;
343	}
344	if (bLFO2Enabled) {
345	pLFO2->trigger(pRegion->LFO2Frequency,
346	start_level_max,
347	lfo2_internal_depth,
348	pRegion->LFO2ControlDepth,
349	pRegion->LFO2FlipPhase,
350	pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
351	pLFO2->update(pLFO2->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
352	}*/ // TODO: ^^^
353	bLFO2Enabled = false;
354	}
355
356	void Voice::InitLFO3() {
357	/*uint16_t lfo3_internal_depth;
358	switch (pRegion->LFO3Controller) {
359	case ::gig::lfo3_ctrl_internal:
360	lfo3_internal_depth = pRegion->LFO3InternalDepth;
361	pLFO3->ExtController = 0; // no external controller
362	bLFO3Enabled = (lfo3_internal_depth > 0);
363	break;
364	case ::gig::lfo3_ctrl_modwheel:
365	lfo3_internal_depth = 0;
366	pLFO3->ExtController = 1; // MIDI controller 1
367	bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
368	break;
369	case ::gig::lfo3_ctrl_aftertouch:
370	lfo3_internal_depth = 0;
371	pLFO3->ExtController = 128;
372	bLFO3Enabled = true;
373	break;
374	case ::gig::lfo3_ctrl_internal_modwheel:
375	lfo3_internal_depth = pRegion->LFO3InternalDepth;
376	pLFO3->ExtController = 1; // MIDI controller 1
377	bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
378	break;
379	case ::gig::lfo3_ctrl_internal_aftertouch:
380	lfo3_internal_depth = pRegion->LFO3InternalDepth;
381	pLFO1->ExtController = 128;
382	bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
383	break;
384	default:
385	lfo3_internal_depth = 0;
386	pLFO3->ExtController = 0; // no external controller
387	bLFO3Enabled = false;
388	}
389	if (bLFO3Enabled) {
390	pLFO3->trigger(pRegion->LFO3Frequency,
391	start_level_mid,
392	lfo3_internal_depth,
393	pRegion->LFO3ControlDepth,
394	false,
395	pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
396	pLFO3->update(pLFO3->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
397	}*/ // TODO: ^^^
398	bLFO3Enabled = false;
399	}
400
401	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
402	/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
403	if (pRegion->VCFKeyboardTracking) {
404	cutoff = exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) 0.057762265f); // (ln(2) / 12)
405	}
406	return cutoff;*/ // TODO: ^^^
407	return 1.0f;
408	}
409
410	float Voice::CalculateFinalCutoff(float cutoffBase) {
411	/*int cvalue;
412	if (VCFCutoffCtrl.controller) {
413	cvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
414	if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
415	// VCFVelocityScale in this case means Minimum cutoff
416	if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
417	}
418	else {
419	cvalue = pRegion->VCFCutoff;
420	}
421	float fco = cutoffBase * float(cvalue);
422	if (fco > 127.0f) fco = 127.0f;
423
424	return fco;*/ // TODO: ^^^
425	return 127.0f;
426	}
427
428	uint8_t Voice::GetVCFCutoffCtrl() {
429	/*uint8_t ctrl;
430	switch (pRegion->VCFCutoffController) {
431	case ::gig::vcf_cutoff_ctrl_modwheel:
432	ctrl = 1;
433	break;
434	case ::gig::vcf_cutoff_ctrl_effect1:
435	ctrl = 12;
436	break;
437	case ::gig::vcf_cutoff_ctrl_effect2:
438	ctrl = 13;
439	break;
440	case ::gig::vcf_cutoff_ctrl_breath:
441	ctrl = 2;
442	break;
443	case ::gig::vcf_cutoff_ctrl_foot:
444	ctrl = 4;
445	break;
446	case ::gig::vcf_cutoff_ctrl_sustainpedal:
447	ctrl = 64;
448	break;
449	case ::gig::vcf_cutoff_ctrl_softpedal:
450	ctrl = 67;
451	break;
452	case ::gig::vcf_cutoff_ctrl_genpurpose7:
453	ctrl = 82;
454	break;
455	case ::gig::vcf_cutoff_ctrl_genpurpose8:
456	ctrl = 83;
457	break;
458	case ::gig::vcf_cutoff_ctrl_aftertouch:
459	ctrl = 128;
460	break;
461	case ::gig::vcf_cutoff_ctrl_none:
462	default:
463	ctrl = 0;
464	break;
465	}
466
467	return ctrl;*/ // TODO: ^^^
468	return 0;
469	}
470
471	uint8_t Voice::GetVCFResonanceCtrl() {
472	/*uint8_t ctrl;
473	switch (pRegion->VCFResonanceController) {
474	case ::gig::vcf_res_ctrl_genpurpose3:
475	ctrl = 18;
476	break;
477	case ::gig::vcf_res_ctrl_genpurpose4:
478	ctrl = 19;
479	break;
480	case ::gig::vcf_res_ctrl_genpurpose5:
481	ctrl = 80;
482	break;
483	case ::gig::vcf_res_ctrl_genpurpose6:
484	ctrl = 81;
485	break;
486	case ::gig::vcf_res_ctrl_none:
487	default:
488	ctrl = 0;
489	}
490
491	return ctrl;*/ // TODO: ^^^
492	return 0;
493	}
494
495	}} // namespace LinuxSampler::sfz