engines/sf2/Voice.cpp

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

#include "Voice.h"

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

namespace LinuxSampler { namespace sf2 {

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

    Voice::~Voice() {

    }

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

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

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

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

        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        ::sf2::Region* reg = NULL;
        ::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument;
        for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization?
            if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) {
                reg = preset->GetRegion(i); // TODO: Can the instrument 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;
    }

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