engines/gig/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2009 Christian Schoenebeck                       *
 *   Copyright (C) 2009 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 "../../common/Features.h"
#include "Synthesizer.h"
#include "Profiler.h"
#include "Engine.h"
#include "EngineChannel.h"

#include "Voice.h"

namespace LinuxSampler { namespace gig {

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

    Voice::~Voice() {
        
    }

    EngineChannel* Voice::GetGigEngineChannel() {
        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->SamplesPerSecond;
        si.ChannelCount     = pSample->Channels;
        si.FrameSize        = pSample->FrameSize;
        si.BitDepth         = pSample->BitDepth;
        si.TotalFrameCount  = pSample->SamplesTotal;

        si.HasLoops       = pRegion->SampleLoops;
        si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
        si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
        si.LoopPlayCount  = pSample->LoopPlayCount;
        si.Unpitched      = !pRegion->PitchTrack;

        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        RegionInfo ri;
        ri.UnityNote = pRegion->UnityNote;
        ri.FineTune  = pRegion->FineTune;
        ri.Pan       = pRegion->Pan;
        ri.SampleStartOffset = pRegion->SampleStartOffset;

        ri.EG1PreAttack        = pRegion->EG1PreAttack;
        ri.EG1Attack           = pRegion->EG1Attack;
        ri.EG1Hold             = pRegion->EG1Hold;
        ri.EG1Decay1           = pRegion->EG1Decay1;
        ri.EG1Decay2           = pRegion->EG1Decay2;
        ri.EG1Sustain          = pRegion->EG1Sustain;
        ri.EG1InfiniteSustain  = pRegion->EG1InfiniteSustain;
        ri.EG1Release          = pRegion->EG1Release;

        ri.EG2PreAttack        = pRegion->EG2PreAttack;
        ri.EG2Attack           = pRegion->EG2Attack;
        ri.EG2Decay1           = pRegion->EG2Decay1;
        ri.EG2Decay2           = pRegion->EG2Decay2;
        ri.EG2Sustain          = pRegion->EG2Sustain;
        ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
        ri.EG2Release          = pRegion->EG2Release;

        ri.EG3Attack     = pRegion->EG3Attack;
        ri.EG3Depth      = pRegion->EG3Depth;
        ri.VCFEnabled    = pRegion->VCFEnabled;
        ri.VCFType       = pRegion->VCFType;
        ri.VCFResonance  = pRegion->VCFResonance;

        ri.ReleaseTriggerDecay = pRegion->ReleaseTriggerDecay;

        return ri;
    }

    Voice::InstrumentInfo Voice::GetInstrumentInfo() {
        InstrumentInfo ii;
        ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
        ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;

        return ii;
    }

    double Voice::GetSampleAttenuation() {
        return pRegion->SampleAttenuation;
    }

    double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
        return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
    }

    double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
        return pRegion->GetVelocityRelease(MIDIKeyVelocity);
    }

    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)]);
            }
        }
    }

    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;
    }

    double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
        float crossfadeVolume;
        switch (pRegion->AttenuationController.type) {
            case ::gig::attenuation_ctrl_t::type_channelaftertouch:
                crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->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(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
                break;
            case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
            default:
                crossfadeVolume = 1.0f;
        }

        return crossfadeVolume;
    }

    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 = GetGigEngineChannel()->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 = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
                break;
        }
        if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;

        return eg1controllervalue;
    }

    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;
    }

    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 = GetGigEngineChannel()->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 = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
                break;
        }
        if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;

        return eg2controllervalue;
    }

    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;
    }

    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 ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
        }
    }

    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 ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
        }
    }

    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 ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
        }
    }
    
    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;
    }

    float Voice::CalculateFinalCutoff(float cutoffBase) {
        int cvalue;
        if (VCFCutoffCtrl.controller) {
            cvalue = GetGigEngineChannel()->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;
    }

    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;
    }

    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;
    }

}} // namespace LinuxSampler::gig
1	schoenebeck	53	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	schoenebeck	56	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	schoenebeck	1857	* Copyright (C) 2005 - 2009 Christian Schoenebeck *
7	iliev	2015	* Copyright (C) 2009 Grigor Iliev *
8	schoenebeck	53	* *
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	schoenebeck	319	#include "../../common/Features.h"
26			#include "Synthesizer.h"
27	schoenebeck	770	#include "Profiler.h"
28	iliev	2012	#include "Engine.h"
29			#include "EngineChannel.h"
30	schoenebeck	53
31			#include "Voice.h"
32
33			namespace LinuxSampler { namespace gig {
34
35			Voice::Voice() {
36			pEngine = NULL;
37			}
38
39			Voice::~Voice() {
40	iliev	2015
41	schoenebeck	53	}
42
43	iliev	2015	EngineChannel* Voice::GetGigEngineChannel() {
44			return static_cast<EngineChannel*>(pEngineChannel);
45			}
46
47	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
48			Engine* engine = static_cast<Engine*>(pEngine);
49			this->pEngine = engine;
50			this->pDiskThread = engine->pDiskThread;
51	schoenebeck	64	dmsg(6,("Voice::SetEngine()\n"));
52	schoenebeck	53	}
53
54	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
55			SampleInfo si;
56			si.SampleRate = pSample->SamplesPerSecond;
57			si.ChannelCount = pSample->Channels;
58			si.FrameSize = pSample->FrameSize;
59			si.BitDepth = pSample->BitDepth;
60			si.TotalFrameCount = pSample->SamplesTotal;
61	schoenebeck	669
62	iliev	2015	si.HasLoops = pRegion->SampleLoops;
63			si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
64			si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
65			si.LoopPlayCount = pSample->LoopPlayCount;
66			si.Unpitched = !pRegion->PitchTrack;
67	schoenebeck	53
68	iliev	2015	return si;
69			}
70	schoenebeck	53
71	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
72			RegionInfo ri;
73			ri.UnityNote = pRegion->UnityNote;
74			ri.FineTune = pRegion->FineTune;
75			ri.Pan = pRegion->Pan;
76			ri.SampleStartOffset = pRegion->SampleStartOffset;
77	persson	630
78	iliev	2015	ri.EG1PreAttack = pRegion->EG1PreAttack;
79			ri.EG1Attack = pRegion->EG1Attack;
80			ri.EG1Hold = pRegion->EG1Hold;
81			ri.EG1Decay1 = pRegion->EG1Decay1;
82			ri.EG1Decay2 = pRegion->EG1Decay2;
83			ri.EG1Sustain = pRegion->EG1Sustain;
84			ri.EG1InfiniteSustain = pRegion->EG1InfiniteSustain;
85			ri.EG1Release = pRegion->EG1Release;
86	persson	630
87	iliev	2015	ri.EG2PreAttack = pRegion->EG2PreAttack;
88			ri.EG2Attack = pRegion->EG2Attack;
89			ri.EG2Decay1 = pRegion->EG2Decay1;
90			ri.EG2Decay2 = pRegion->EG2Decay2;
91			ri.EG2Sustain = pRegion->EG2Sustain;
92			ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
93			ri.EG2Release = pRegion->EG2Release;
94	persson	630
95	iliev	2015	ri.EG3Attack = pRegion->EG3Attack;
96			ri.EG3Depth = pRegion->EG3Depth;
97			ri.VCFEnabled = pRegion->VCFEnabled;
98			ri.VCFType = pRegion->VCFType;
99			ri.VCFResonance = pRegion->VCFResonance;
100
101			ri.ReleaseTriggerDecay = pRegion->ReleaseTriggerDecay;
102
103			return ri;
104			}
105
106			Voice::InstrumentInfo Voice::GetInstrumentInfo() {
107			InstrumentInfo ii;
108			ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
109			ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
110
111			return ii;
112			}
113
114			double Voice::GetSampleAttenuation() {
115			return pRegion->SampleAttenuation;
116			}
117
118			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
119			return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
120			}
121
122			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
123			return pRegion->GetVelocityRelease(MIDIKeyVelocity);
124			}
125
126			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
127			if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
128			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
129			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
130			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
131			}
132	persson	630	}
133	iliev	2015	}
134	persson	630
135	iliev	2015	void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
136			int ccvalue = itEvent->Param.CC.Value;
137			if (VCFCutoffCtrl.value == ccvalue) return;
138			VCFCutoffCtrl.value == ccvalue;
139			if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
140			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
141			float cutoff = CutoffBase * float(ccvalue);
142			if (cutoff > 127.0f) cutoff = 127.0f;
143	schoenebeck	319
144	iliev	2015	VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
145			fFinalCutoff = cutoff;
146			}
147
148			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
149	persson	832	float crossfadeVolume;
150	iliev	2015	switch (pRegion->AttenuationController.type) {
151	schoenebeck	236	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
152	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
153	schoenebeck	236	break;
154			case ::gig::attenuation_ctrl_t::type_velocity:
155	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
156	schoenebeck	236	break;
157			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
158	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
159	schoenebeck	236	break;
160			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
161			default:
162	persson	832	crossfadeVolume = 1.0f;
163	schoenebeck	236	}
164
165	iliev	2015	return crossfadeVolume;
166			}
167	schoenebeck	245
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 = GetGigEngineChannel()->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 = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
182			break;
183	schoenebeck	53	}
184	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
185	schoenebeck	53
186	iliev	2015	return eg1controllervalue;
187			}
188	persson	1700
189	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
190			EGInfo eg;
191			// (eg1attack is different from the others)
192			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
193			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
194			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
195			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
196			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
197	persson	1700
198	iliev	2015	return eg;
199			}
200	schoenebeck	53
201	iliev	2015	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
202			double eg2controllervalue = 0;
203			switch (pRegion->EG2Controller.type) {
204			case ::gig::eg2_ctrl_t::type_none: // no controller defined
205			eg2controllervalue = 0;
206			break;
207			case ::gig::eg2_ctrl_t::type_channelaftertouch:
208			eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
209			break;
210			case ::gig::eg2_ctrl_t::type_velocity:
211			eg2controllervalue = MIDIKeyVelocity;
212			break;
213			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
214			eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
215			break;
216	schoenebeck	53	}
217	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
218	schoenebeck	53
219	iliev	2015	return eg2controllervalue;
220			}
221	schoenebeck	53
222	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
223			EGInfo eg;
224			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
225			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
226			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
227	persson	830
228	iliev	2015	return eg;
229			}
230	schoenebeck	53
231	iliev	2015	void Voice::InitLFO1() {
232			uint16_t lfo1_internal_depth;
233			switch (pRegion->LFO1Controller) {
234			case ::gig::lfo1_ctrl_internal:
235			lfo1_internal_depth = pRegion->LFO1InternalDepth;
236			pLFO1->ExtController = 0; // no external controller
237			bLFO1Enabled = (lfo1_internal_depth > 0);
238			break;
239			case ::gig::lfo1_ctrl_modwheel:
240			lfo1_internal_depth = 0;
241			pLFO1->ExtController = 1; // MIDI controller 1
242			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
243			break;
244			case ::gig::lfo1_ctrl_breath:
245			lfo1_internal_depth = 0;
246			pLFO1->ExtController = 2; // MIDI controller 2
247			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
248			break;
249			case ::gig::lfo1_ctrl_internal_modwheel:
250			lfo1_internal_depth = pRegion->LFO1InternalDepth;
251			pLFO1->ExtController = 1; // MIDI controller 1
252			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
253			break;
254			case ::gig::lfo1_ctrl_internal_breath:
255			lfo1_internal_depth = pRegion->LFO1InternalDepth;
256			pLFO1->ExtController = 2; // MIDI controller 2
257			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
258			break;
259			default:
260			lfo1_internal_depth = 0;
261			pLFO1->ExtController = 0; // no external controller
262			bLFO1Enabled = false;
263	schoenebeck	53	}
264	iliev	2015	if (bLFO1Enabled) {
265			pLFO1->trigger(pRegion->LFO1Frequency,
266			start_level_min,
267			lfo1_internal_depth,
268			pRegion->LFO1ControlDepth,
269			pRegion->LFO1FlipPhase,
270			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
271			pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
272	schoenebeck	53	}
273	iliev	2015	}
274	schoenebeck	53
275	iliev	2015	void Voice::InitLFO2() {
276			uint16_t lfo2_internal_depth;
277			switch (pRegion->LFO2Controller) {
278			case ::gig::lfo2_ctrl_internal:
279			lfo2_internal_depth = pRegion->LFO2InternalDepth;
280			pLFO2->ExtController = 0; // no external controller
281			bLFO2Enabled = (lfo2_internal_depth > 0);
282			break;
283			case ::gig::lfo2_ctrl_modwheel:
284			lfo2_internal_depth = 0;
285			pLFO2->ExtController = 1; // MIDI controller 1
286			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
287			break;
288			case ::gig::lfo2_ctrl_foot:
289			lfo2_internal_depth = 0;
290			pLFO2->ExtController = 4; // MIDI controller 4
291			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
292			break;
293			case ::gig::lfo2_ctrl_internal_modwheel:
294			lfo2_internal_depth = pRegion->LFO2InternalDepth;
295			pLFO2->ExtController = 1; // MIDI controller 1
296			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
297			break;
298			case ::gig::lfo2_ctrl_internal_foot:
299			lfo2_internal_depth = pRegion->LFO2InternalDepth;
300			pLFO2->ExtController = 4; // MIDI controller 4
301			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
302			break;
303			default:
304			lfo2_internal_depth = 0;
305			pLFO2->ExtController = 0; // no external controller
306			bLFO2Enabled = false;
307	schoenebeck	53	}
308	iliev	2015	if (bLFO2Enabled) {
309			pLFO2->trigger(pRegion->LFO2Frequency,
310			start_level_max,
311			lfo2_internal_depth,
312			pRegion->LFO2ControlDepth,
313			pRegion->LFO2FlipPhase,
314			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
315			pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
316	schoenebeck	53	}
317			}
318
319	iliev	2015	void Voice::InitLFO3() {
320			uint16_t lfo3_internal_depth;
321			switch (pRegion->LFO3Controller) {
322			case ::gig::lfo3_ctrl_internal:
323			lfo3_internal_depth = pRegion->LFO3InternalDepth;
324			pLFO3->ExtController = 0; // no external controller
325			bLFO3Enabled = (lfo3_internal_depth > 0);
326	schoenebeck	53	break;
327	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
328			lfo3_internal_depth = 0;
329			pLFO3->ExtController = 1; // MIDI controller 1
330			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
331	schoenebeck	53	break;
332	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
333			lfo3_internal_depth = 0;
334			pLFO3->ExtController = 128;
335			bLFO3Enabled = true;
336	schoenebeck	53	break;
337	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
338			lfo3_internal_depth = pRegion->LFO3InternalDepth;
339			pLFO3->ExtController = 1; // MIDI controller 1
340			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
341			break;
342			case ::gig::lfo3_ctrl_internal_aftertouch:
343			lfo3_internal_depth = pRegion->LFO3InternalDepth;
344			pLFO1->ExtController = 128;
345			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
346			break;
347			default:
348			lfo3_internal_depth = 0;
349			pLFO3->ExtController = 0; // no external controller
350			bLFO3Enabled = false;
351	schoenebeck	53	}
352	iliev	2015	if (bLFO3Enabled) {
353			pLFO3->trigger(pRegion->LFO3Frequency,
354			start_level_mid,
355			lfo3_internal_depth,
356			pRegion->LFO3ControlDepth,
357			false,
358			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
359			pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
360	schoenebeck	738	}
361			}
362	iliev	2015
363			float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
364			float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
365			if (pRegion->VCFKeyboardTracking) {
366			cutoff = exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) 0.057762265f); // (ln(2) / 12)
367	schoenebeck	53	}
368	iliev	2015	return cutoff;
369	schoenebeck	738	}
370	schoenebeck	53
371	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
372			int cvalue;
373			if (VCFCutoffCtrl.controller) {
374			cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
375			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
376			// VCFVelocityScale in this case means Minimum cutoff
377			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
378	schoenebeck	53	}
379	iliev	2015	else {
380			cvalue = pRegion->VCFCutoff;
381	persson	1748	}
382	iliev	2015	float fco = cutoffBase * float(cvalue);
383			if (fco > 127.0f) fco = 127.0f;
384	persson	796
385	iliev	2015	return fco;
386			}
387	persson	768
388	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
389			uint8_t ctrl;
390			switch (pRegion->VCFCutoffController) {
391			case ::gig::vcf_cutoff_ctrl_modwheel:
392			ctrl = 1;
393			break;
394			case ::gig::vcf_cutoff_ctrl_effect1:
395			ctrl = 12;
396			break;
397			case ::gig::vcf_cutoff_ctrl_effect2:
398			ctrl = 13;
399			break;
400			case ::gig::vcf_cutoff_ctrl_breath:
401			ctrl = 2;
402			break;
403			case ::gig::vcf_cutoff_ctrl_foot:
404			ctrl = 4;
405			break;
406			case ::gig::vcf_cutoff_ctrl_sustainpedal:
407			ctrl = 64;
408			break;
409			case ::gig::vcf_cutoff_ctrl_softpedal:
410			ctrl = 67;
411			break;
412			case ::gig::vcf_cutoff_ctrl_genpurpose7:
413			ctrl = 82;
414			break;
415			case ::gig::vcf_cutoff_ctrl_genpurpose8:
416			ctrl = 83;
417			break;
418			case ::gig::vcf_cutoff_ctrl_aftertouch:
419			ctrl = 128;
420			break;
421			case ::gig::vcf_cutoff_ctrl_none:
422			default:
423			ctrl = 0;
424			break;
425	schoenebeck	53	}
426
427	iliev	2015	return ctrl;
428	schoenebeck	829	}
429
430	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
431			uint8_t ctrl;
432			switch (pRegion->VCFResonanceController) {
433			case ::gig::vcf_res_ctrl_genpurpose3:
434			ctrl = 18;
435			break;
436			case ::gig::vcf_res_ctrl_genpurpose4:
437			ctrl = 19;
438			break;
439			case ::gig::vcf_res_ctrl_genpurpose5:
440			ctrl = 80;
441			break;
442			case ::gig::vcf_res_ctrl_genpurpose6:
443			ctrl = 81;
444			break;
445			case ::gig::vcf_res_ctrl_none:
446			default:
447			ctrl = 0;
448	schoenebeck	53	}
449
450	iliev	2015	return ctrl;
451	schoenebeck	239	}
452
453	schoenebeck	53	}} // namespace LinuxSampler::gig