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	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	persson	2055	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	persson	2175	* Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev *
8	iliev	2012	* *
9			* This program is free software; you can redistribute it and/or modify *
10			* it under the terms of the GNU General Public License as published by *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25	iliev	2015	#include "Voice.h"
26
27	iliev	2012	#include "Engine.h"
28			#include "EngineChannel.h"
29
30			namespace LinuxSampler { namespace sf2 {
31
32			Voice::Voice() {
33	persson	2055	pEngine = NULL;
34			pEG1 = &EG1;
35	persson	2175	pEG2 = &EG2;
36	iliev	2012	}
37
38			Voice::~Voice() {
39	iliev	2015
40	iliev	2012	}
41
42	iliev	2015	EngineChannel* Voice::GetSf2EngineChannel() {
43			return static_cast<EngineChannel*>(pEngineChannel);
44			}
45
46	iliev	2012	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	iliev	2015	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	iliev	2012
61	iliev	2021	si.HasLoops = pRegion->HasLoop;
62			si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0;
63			si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
64	iliev	2015	si.LoopPlayCount = 0; // TODO:
65			si.Unpitched = pSample->IsUnpitched();
66	iliev	2012
67	iliev	2015	return si;
68			}
69	iliev	2012
70	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
71	iliev	2027	::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	persson	2203	reg = preset->GetRegion(i); // TODO: Can the instrument belong to more than one preset region?
76	iliev	2027	break;
77			}
78			}
79	persson	2203	pPresetRegion = reg;
80
81	iliev	2015	RegionInfo ri;
82	iliev	2021	ri.UnityNote = pRegion->GetUnityNote();
83	iliev	2027	ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
84			ri.Pan = pRegion->GetPan(reg);
85	iliev	2015	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
86	iliev	2012
87	iliev	2027	// filter cutoff frequency
88	iliev	2015	ri.EG2PreAttack = 1000;
89	iliev	2027	ri.EG2Attack = pRegion->GetEG2Attack(reg);
90	iliev	2015	//ri.EG2Hold = pRegion->EG2Hold; // TODO:
91	iliev	2027	ri.EG2Decay1 = pRegion->GetEG2Decay(reg);
92			ri.EG2Decay2 = pRegion->GetEG2Decay(reg);
93			ri.EG2Sustain = pRegion->GetEG2Sustain(reg);
94	iliev	2015	ri.EG2InfiniteSustain = true;
95	iliev	2027	ri.EG2Release = pRegion->GetEG2Release(reg);
96	iliev	2012
97	iliev	2027	// sample pitch
98	iliev	2015	ri.EG3Attack = 0; // TODO:
99			ri.EG3Depth = 0; // TODO:
100			ri.VCFEnabled = false; // TODO:
101	persson	2175	ri.VCFType = Filter::vcf_type_2p_lowpass; // TODO:
102	iliev	2015	ri.VCFResonance = 0; // TODO:
103	iliev	2012
104	iliev	2015	ri.ReleaseTriggerDecay = 0; // TODO:
105	iliev	2012
106	iliev	2015	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	iliev	2012	/*float crossfadeVolume;
153			switch (pRegion->AttenuationController.type) {
154			case ::gig::attenuation_ctrl_t::type_channelaftertouch:
155	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
156	iliev	2012	break;
157			case ::gig::attenuation_ctrl_t::type_velocity:
158	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
159	iliev	2012	break;
160			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
161	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
162	iliev	2012	break;
163			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
164			default:
165			crossfadeVolume = 1.0f;
166			}
167
168	iliev	2015	return crossfadeVolume;*/ // TODO: ^^^
169			return 1.0f;
170			}
171	iliev	2012
172	iliev	2015	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	iliev	2012	}
188	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
189	iliev	2012
190	iliev	2015	return eg1controllervalue;*/ // TODO: ^^^
191			return 0;
192			}
193	iliev	2012
194	iliev	2015	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	iliev	2012
203	iliev	2015	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	iliev	2012
211	persson	2055	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
212	persson	2203	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	persson	2055	sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
219			}
220
221	iliev	2015	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	iliev	2012	}
237	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
238	iliev	2012
239	iliev	2015	return eg2controllervalue;*/ // TODO: ^^^
240			return 0;
241			}
242	iliev	2012
243	iliev	2015	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	iliev	2012
249	iliev	2015	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	iliev	2012
257	persson	2175	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	iliev	2015	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	iliev	2012	}
303	iliev	2015	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	iliev	2012	}*/ // TODO: ^^^
312	iliev	2015	bLFO1Enabled = false;
313			}
314	iliev	2012
315	iliev	2015	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	iliev	2012	}
348	iliev	2015	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	iliev	2012	}*/ // TODO: ^^^
357	iliev	2015	bLFO2Enabled = false;
358	iliev	2012	}
359
360	iliev	2015	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	iliev	2012	break;
368	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
369			lfo3_internal_depth = 0;
370			pLFO3->ExtController = 1; // MIDI controller 1
371			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
372	iliev	2012	break;
373	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
374			lfo3_internal_depth = 0;
375			pLFO3->ExtController = 128;
376			bLFO3Enabled = true;
377	iliev	2012	break;
378	iliev	2015	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	iliev	2012	}
393	iliev	2015	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	iliev	2012	}
404
405	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
406			/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
407			if (pRegion->VCFKeyboardTracking) {
408	persson	2175	cutoff = RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) 100);
409	iliev	2012	}
410	iliev	2015	return cutoff;*/ // TODO: ^^^
411			return 1.0f;
412	iliev	2012	}
413
414	iliev	2015	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	iliev	2012	}
422	iliev	2015	else {
423			cvalue = pRegion->VCFCutoff;
424			}
425			float fco = cutoffBase * float(cvalue);
426			if (fco > 127.0f) fco = 127.0f;
427	iliev	2012
428	iliev	2015	return fco;*/ // TODO: ^^^
429			return 0.0f;
430	iliev	2012	}
431
432	iliev	2015	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	iliev	2012	}
470
471	iliev	2015	return ctrl;*/ // TODO: ^^^
472			return 0;
473	iliev	2012	}
474
475	iliev	2015	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	iliev	2012	}
494
495	iliev	2015	return ctrl;*/ // TODO: ^^^
496			return 0;
497	iliev	2012	}
498
499	persson	2114	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	iliev	2012	}} // namespace LinuxSampler::sf2