engines/sf2/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "Voice.h"

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

namespace LinuxSampler { namespace sf2 {

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

    Voice::~Voice() {

    }

    void Voice::AboutToTrigger() {
        
    }

    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 belong to more than one preset region?
                break;
            }
        }
        pPresetRegion = reg;

        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;

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

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

        ri.ReleaseTriggerDecay = 0; // TODO:

        return ri;
    }

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

        return ii;
    }

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

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

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

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

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

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

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

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

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

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

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

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

    void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG1.trigger(0,
                    pRegion->GetEG1Attack(pPresetRegion),
                    pRegion->GetEG1Hold(pPresetRegion),
                    pRegion->GetEG1Decay(pPresetRegion),
                    uint(pRegion->GetEG1Sustain(pPresetRegion)),
                    pRegion->GetEG1Release(pPresetRegion),
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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