engines/sfz/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2010 Christian Schoenebeck and Grigor Iliev      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "Voice.h"

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

namespace LinuxSampler { namespace sfz {

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

    Voice::~Voice() {

    }

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

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

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

        si.HasLoops       = pRegion->HasLoop();
        si.LoopStart      = pRegion->GetLoopStart();
        si.LoopLength     = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
        si.LoopPlayCount  = pRegion->GetLoopCount();
        si.Unpitched      = pRegion->pitch_keytrack == 0;
        return si;
    }

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

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

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

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

        // rt_decay is in dB. Precalculate a suitable value for exp in
        // GetReleaseTriggerAttenuation: -ln(10) / 20 * rt_decay
        ri.ReleaseTriggerDecay = -0.115129254649702 * pRegion->rt_decay;

        return ri;
    }

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

        return ii;
    }

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

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

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

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

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

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

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

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

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

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

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

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

    void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {

        // TODO: controller modulation

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

        // otherwise use the v1 EGADSR
        pEG1 = &EGADSR1;
        EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
                        RgnInfo.EG1Attack,
                        RgnInfo.EG1Hold,
                        RgnInfo.EG1Decay1,
                        uint(RgnInfo.EG1Sustain),
                        RgnInfo.EG1Release,
                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
     }

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

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

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

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

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

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

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

    float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
        /*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
        if (pRegion->VCFKeyboardTracking) {
            cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
        }
        return cutoff;*/ // TODO: ^^^
        return 1.0f;
    }

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

        return fco;*/ // TODO: ^^^
        return 127.0f;
    }

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

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

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

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

    float Voice::GetReleaseTriggerAttenuation(float noteLength) {
        // pow(10, -rt_decay * noteLength / 20):
        return expf(RgnInfo.ReleaseTriggerDecay * noteLength);
    }

}} // namespace LinuxSampler::sfz
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			* Copyright (C) 2009 - 2010 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 sfz {
31
32			Voice::Voice() {
33			pEngine = NULL;
34			}
35
36			Voice::~Voice() {
37	iliev	2015
38	iliev	2012	}
39
40	iliev	2015	EngineChannel* Voice::GetSfzEngineChannel() {
41			return static_cast<EngineChannel*>(pEngineChannel);
42			}
43
44	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
45			Engine* engine = static_cast<Engine*>(pEngine);
46			this->pEngine = engine;
47			this->pDiskThread = engine->pDiskThread;
48			dmsg(6,("Voice::SetEngine()\n"));
49			}
50
51	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
52			SampleInfo si;
53			si.SampleRate = pSample->GetSampleRate();
54			si.ChannelCount = pSample->GetChannelCount();
55			si.FrameSize = pSample->GetFrameSize();
56			si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
57			si.TotalFrameCount = pSample->GetTotalFrameCount();
58	iliev	2012
59	iliev	2021	si.HasLoops = pRegion->HasLoop();
60			si.LoopStart = pRegion->GetLoopStart();
61			si.LoopLength = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
62			si.LoopPlayCount = pRegion->GetLoopCount();
63			si.Unpitched = pRegion->pitch_keytrack == 0;
64	iliev	2015	return si;
65			}
66	iliev	2012
67	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
68			RegionInfo ri;
69	iliev	2018	ri.UnityNote = pRegion->pitch_keycenter;
70	iliev	2015	ri.FineTune = pRegion->tune;
71	persson	2045	ri.Pan = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
72	iliev	2018	ri.SampleStartOffset = 0; // TODO:
73	iliev	2012
74	iliev	2018	ri.EG1PreAttack = pRegion->ampeg_start * 10;
75			ri.EG1Attack = pRegion->ampeg_attack;
76			ri.EG1Hold = pRegion->ampeg_hold;
77			ri.EG1Decay1 = pRegion->ampeg_decay;
78			ri.EG1Decay2 = pRegion->ampeg_decay;
79	persson	2055	ri.EG1Sustain = pRegion->ampeg_sustain * 10;
80	iliev	2015	ri.EG1InfiniteSustain = true;
81	iliev	2018	ri.EG1Release = pRegion->ampeg_release;
82	iliev	2012
83	persson	2055	ri.EG2PreAttack = pRegion->fileg_start * 10;
84	iliev	2018	ri.EG2Attack = pRegion->fileg_attack;
85			//ri.EG2Hold = pRegion->fileg_hold; // TODO:
86			ri.EG2Decay1 = pRegion->fileg_decay;
87			ri.EG2Decay2 = pRegion->fileg_decay;
88	persson	2055	ri.EG2Sustain = pRegion->fileg_sustain * 10;
89	iliev	2015	ri.EG2InfiniteSustain = true;
90	iliev	2018	ri.EG2Release = pRegion->fileg_release;
91	iliev	2012
92	iliev	2018	ri.EG3Attack = pRegion->pitcheg_attack;
93	iliev	2015	ri.EG3Depth = 0; // TODO:
94			ri.VCFEnabled = false; // TODO:
95			ri.VCFType = ::gig::vcf_type_lowpass; // TODO:
96			ri.VCFResonance = 0; // TODO:
97	iliev	2012
98	persson	2061	// rt_decay is in dB. Precalculate a suitable value for exp in
99			// GetReleaseTriggerAttenuation: -ln(10) / 20 * rt_decay
100			ri.ReleaseTriggerDecay = -0.115129254649702 * pRegion->rt_decay;
101	iliev	2012
102	iliev	2015	return ri;
103			}
104	iliev	2012
105	iliev	2015	Voice::InstrumentInfo Voice::GetInstrumentInfo() {
106			InstrumentInfo ii;
107			ii.FineTune = 0; // TODO:
108			ii.PitchbendRange = 2; // TODO:
109
110			return ii;
111			}
112
113			double Voice::GetSampleAttenuation() {
114			return 1.0; // TODO:
115			}
116
117			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
118			return double(MIDIKeyVelocity) / 127.0f; // TODO:
119			}
120
121			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
122	iliev	2018	return 0.9; // TODO:
123	iliev	2015	}
124
125			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
126			/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
127			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
128			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
129			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
130			}
131			}*/ // TODO: ^^^
132			}
133
134			void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
135			/*int ccvalue = itEvent->Param.CC.Value;
136			if (VCFCutoffCtrl.value == ccvalue) return;
137			VCFCutoffCtrl.value == ccvalue;
138			if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
139			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
140			float cutoff = CutoffBase * float(ccvalue);
141			if (cutoff > 127.0f) cutoff = 127.0f;
142
143			VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
144			fFinalCutoff = cutoff;*/ // TODO: ^^^
145			}
146
147			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
148	iliev	2012	/*float crossfadeVolume;
149			switch (pRegion->AttenuationController.type) {
150			case ::gig::attenuation_ctrl_t::type_channelaftertouch:
151	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[128])];
152	iliev	2012	break;
153			case ::gig::attenuation_ctrl_t::type_velocity:
154	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
155	iliev	2012	break;
156			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
157	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
158	iliev	2012	break;
159			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
160			default:
161			crossfadeVolume = 1.0f;
162			}
163
164	iliev	2015	return crossfadeVolume;*/ // TODO: ^^^
165			return 1.0f;
166			}
167	iliev	2012
168	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
169			/*double eg1controllervalue = 0;
170			switch (pRegion->EG1Controller.type) {
171			case ::gig::eg1_ctrl_t::type_none: // no controller defined
172			eg1controllervalue = 0;
173			break;
174			case ::gig::eg1_ctrl_t::type_channelaftertouch:
175			eg1controllervalue = GetSfzEngineChannel()->ControllerTable[128];
176			break;
177			case ::gig::eg1_ctrl_t::type_velocity:
178			eg1controllervalue = MIDIKeyVelocity;
179			break;
180			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
181			eg1controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
182			break;
183	iliev	2012	}
184	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
185	iliev	2012
186	iliev	2015	return eg1controllervalue;*/ // TODO: ^^^
187			return 0;
188			}
189	iliev	2012
190	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
191			/*EGInfo eg;
192			// (eg1attack is different from the others)
193			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
194			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
195			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
196			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
197			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
198	iliev	2012
199	iliev	2015	return eg;*/ // TODO: ^^^
200			EGInfo eg;
201			eg.Attack = 1.0;
202			eg.Decay = 1.0;
203			eg.Release = 1.0;
204			return eg;
205			}
206	iliev	2012
207	persson	2055	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
208
209			// TODO: controller modulation
210
211			// first check if there is a v2 EG for amplitude
212			for (int i = 0 ; i < pRegion->eg.size() ; i++) {
213			if (pRegion->eg[i].amplitude > 0) {
214			// TODO: actually use the value of the amplitude parameter
215			pEG1 = &EG1;
216			EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity);
217			return;
218			}
219			}
220
221			// otherwise use the v1 EGADSR
222			pEG1 = &EGADSR1;
223			EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
224			RgnInfo.EG1Attack,
225			RgnInfo.EG1Hold,
226			RgnInfo.EG1Decay1,
227			uint(RgnInfo.EG1Sustain),
228			RgnInfo.EG1Release,
229			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
230			}
231
232			double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
233	iliev	2015	/*double eg2controllervalue = 0;
234			switch (pRegion->EG2Controller.type) {
235			case ::gig::eg2_ctrl_t::type_none: // no controller defined
236			eg2controllervalue = 0;
237			break;
238			case ::gig::eg2_ctrl_t::type_channelaftertouch:
239			eg2controllervalue = GetSfzEngineChannel()->ControllerTable[128];
240			break;
241			case ::gig::eg2_ctrl_t::type_velocity:
242			eg2controllervalue = MIDIKeyVelocity;
243			break;
244			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
245			eg2controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
246			break;
247	iliev	2012	}
248	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
249	iliev	2012
250	iliev	2015	return eg2controllervalue;*/ // TODO: ^^^
251			return 0;
252			}
253	iliev	2012
254	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
255			/*EGInfo eg;
256			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
257			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
258			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
259	iliev	2012
260	iliev	2015	return eg;*/ // TODO: ^^^
261			EGInfo eg;
262			eg.Attack = 1.0;
263			eg.Decay = 1.0;
264			eg.Release = 1.0;
265			return eg;
266			}
267	iliev	2012
268	iliev	2015	void Voice::InitLFO1() {
269			/*uint16_t lfo1_internal_depth;
270			switch (pRegion->LFO1Controller) {
271			case ::gig::lfo1_ctrl_internal:
272			lfo1_internal_depth = pRegion->LFO1InternalDepth;
273			pLFO1->ExtController = 0; // no external controller
274			bLFO1Enabled = (lfo1_internal_depth > 0);
275			break;
276			case ::gig::lfo1_ctrl_modwheel:
277			lfo1_internal_depth = 0;
278			pLFO1->ExtController = 1; // MIDI controller 1
279			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
280			break;
281			case ::gig::lfo1_ctrl_breath:
282			lfo1_internal_depth = 0;
283			pLFO1->ExtController = 2; // MIDI controller 2
284			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
285			break;
286			case ::gig::lfo1_ctrl_internal_modwheel:
287			lfo1_internal_depth = pRegion->LFO1InternalDepth;
288			pLFO1->ExtController = 1; // MIDI controller 1
289			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
290			break;
291			case ::gig::lfo1_ctrl_internal_breath:
292			lfo1_internal_depth = pRegion->LFO1InternalDepth;
293			pLFO1->ExtController = 2; // MIDI controller 2
294			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
295			break;
296			default:
297			lfo1_internal_depth = 0;
298			pLFO1->ExtController = 0; // no external controller
299			bLFO1Enabled = false;
300	iliev	2012	}
301	iliev	2015	if (bLFO1Enabled) {
302			pLFO1->trigger(pRegion->LFO1Frequency,
303			start_level_min,
304			lfo1_internal_depth,
305			pRegion->LFO1ControlDepth,
306			pRegion->LFO1FlipPhase,
307			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
308			pLFO1->update(pLFO1->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
309	iliev	2012	}*/ // TODO: ^^^
310	iliev	2015	bLFO1Enabled = false;
311			}
312	iliev	2012
313	iliev	2015	void Voice::InitLFO2() {
314			/*uint16_t lfo2_internal_depth;
315			switch (pRegion->LFO2Controller) {
316			case ::gig::lfo2_ctrl_internal:
317			lfo2_internal_depth = pRegion->LFO2InternalDepth;
318			pLFO2->ExtController = 0; // no external controller
319			bLFO2Enabled = (lfo2_internal_depth > 0);
320			break;
321			case ::gig::lfo2_ctrl_modwheel:
322			lfo2_internal_depth = 0;
323			pLFO2->ExtController = 1; // MIDI controller 1
324			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
325			break;
326			case ::gig::lfo2_ctrl_foot:
327			lfo2_internal_depth = 0;
328			pLFO2->ExtController = 4; // MIDI controller 4
329			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
330			break;
331			case ::gig::lfo2_ctrl_internal_modwheel:
332			lfo2_internal_depth = pRegion->LFO2InternalDepth;
333			pLFO2->ExtController = 1; // MIDI controller 1
334			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
335			break;
336			case ::gig::lfo2_ctrl_internal_foot:
337			lfo2_internal_depth = pRegion->LFO2InternalDepth;
338			pLFO2->ExtController = 4; // MIDI controller 4
339			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
340			break;
341			default:
342			lfo2_internal_depth = 0;
343			pLFO2->ExtController = 0; // no external controller
344			bLFO2Enabled = false;
345	iliev	2012	}
346	iliev	2015	if (bLFO2Enabled) {
347			pLFO2->trigger(pRegion->LFO2Frequency,
348			start_level_max,
349			lfo2_internal_depth,
350			pRegion->LFO2ControlDepth,
351			pRegion->LFO2FlipPhase,
352			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
353			pLFO2->update(pLFO2->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
354	iliev	2012	}*/ // TODO: ^^^
355	iliev	2015	bLFO2Enabled = false;
356	iliev	2012	}
357
358	iliev	2015	void Voice::InitLFO3() {
359			/*uint16_t lfo3_internal_depth;
360			switch (pRegion->LFO3Controller) {
361			case ::gig::lfo3_ctrl_internal:
362			lfo3_internal_depth = pRegion->LFO3InternalDepth;
363			pLFO3->ExtController = 0; // no external controller
364			bLFO3Enabled = (lfo3_internal_depth > 0);
365	iliev	2012	break;
366	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
367			lfo3_internal_depth = 0;
368			pLFO3->ExtController = 1; // MIDI controller 1
369			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
370	iliev	2012	break;
371	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
372			lfo3_internal_depth = 0;
373			pLFO3->ExtController = 128;
374			bLFO3Enabled = true;
375	iliev	2012	break;
376	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
377			lfo3_internal_depth = pRegion->LFO3InternalDepth;
378			pLFO3->ExtController = 1; // MIDI controller 1
379			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
380			break;
381			case ::gig::lfo3_ctrl_internal_aftertouch:
382			lfo3_internal_depth = pRegion->LFO3InternalDepth;
383			pLFO1->ExtController = 128;
384			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
385			break;
386			default:
387			lfo3_internal_depth = 0;
388			pLFO3->ExtController = 0; // no external controller
389			bLFO3Enabled = false;
390	iliev	2012	}
391	iliev	2015	if (bLFO3Enabled) {
392			pLFO3->trigger(pRegion->LFO3Frequency,
393			start_level_mid,
394			lfo3_internal_depth,
395			pRegion->LFO3ControlDepth,
396			false,
397			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
398			pLFO3->update(pLFO3->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
399			}*/ // TODO: ^^^
400			bLFO3Enabled = false;
401	iliev	2012	}
402
403	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
404			/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
405			if (pRegion->VCFKeyboardTracking) {
406			cutoff = exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) 0.057762265f); // (ln(2) / 12)
407	iliev	2012	}
408	iliev	2015	return cutoff;*/ // TODO: ^^^
409			return 1.0f;
410	iliev	2012	}
411
412	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
413			/*int cvalue;
414			if (VCFCutoffCtrl.controller) {
415			cvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
416			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
417			// VCFVelocityScale in this case means Minimum cutoff
418			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
419	iliev	2012	}
420	iliev	2015	else {
421			cvalue = pRegion->VCFCutoff;
422			}
423			float fco = cutoffBase * float(cvalue);
424			if (fco > 127.0f) fco = 127.0f;
425	iliev	2012
426	iliev	2015	return fco;*/ // TODO: ^^^
427			return 127.0f;
428	iliev	2012	}
429
430	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
431			/*uint8_t ctrl;
432			switch (pRegion->VCFCutoffController) {
433			case ::gig::vcf_cutoff_ctrl_modwheel:
434			ctrl = 1;
435			break;
436			case ::gig::vcf_cutoff_ctrl_effect1:
437			ctrl = 12;
438			break;
439			case ::gig::vcf_cutoff_ctrl_effect2:
440			ctrl = 13;
441			break;
442			case ::gig::vcf_cutoff_ctrl_breath:
443			ctrl = 2;
444			break;
445			case ::gig::vcf_cutoff_ctrl_foot:
446			ctrl = 4;
447			break;
448			case ::gig::vcf_cutoff_ctrl_sustainpedal:
449			ctrl = 64;
450			break;
451			case ::gig::vcf_cutoff_ctrl_softpedal:
452			ctrl = 67;
453			break;
454			case ::gig::vcf_cutoff_ctrl_genpurpose7:
455			ctrl = 82;
456			break;
457			case ::gig::vcf_cutoff_ctrl_genpurpose8:
458			ctrl = 83;
459			break;
460			case ::gig::vcf_cutoff_ctrl_aftertouch:
461			ctrl = 128;
462			break;
463			case ::gig::vcf_cutoff_ctrl_none:
464			default:
465			ctrl = 0;
466			break;
467	iliev	2012	}
468
469	iliev	2015	return ctrl;*/ // TODO: ^^^
470			return 0;
471	iliev	2012	}
472
473	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
474			/*uint8_t ctrl;
475			switch (pRegion->VCFResonanceController) {
476			case ::gig::vcf_res_ctrl_genpurpose3:
477			ctrl = 18;
478			break;
479			case ::gig::vcf_res_ctrl_genpurpose4:
480			ctrl = 19;
481			break;
482			case ::gig::vcf_res_ctrl_genpurpose5:
483			ctrl = 80;
484			break;
485			case ::gig::vcf_res_ctrl_genpurpose6:
486			ctrl = 81;
487			break;
488			case ::gig::vcf_res_ctrl_none:
489			default:
490			ctrl = 0;
491	iliev	2012	}
492
493	iliev	2015	return ctrl;*/ // TODO: ^^^
494			return 0;
495	iliev	2012	}
496
497	persson	2061	float Voice::GetReleaseTriggerAttenuation(float noteLength) {
498			// pow(10, -rt_decay * noteLength / 20):
499			return expf(RgnInfo.ReleaseTriggerDecay * noteLength);
500			}
501
502	iliev	2012	}} // namespace LinuxSampler::sfz