engines/sf2/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 "Voice.h"

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

namespace LinuxSampler { namespace sf2 {

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

    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       = pSample->HasLoops();
        si.LoopStart      = (si.HasLoops) ? pSample->StartLoop : 0; // TODO: region loop offsets
        si.LoopLength     = (si.HasLoops) ? pSample->EndLoop   : 0; // TODO: region loop offsets
        si.LoopPlayCount  = 0; // TODO:
        si.Unpitched      = pSample->IsUnpitched();

        return si;
    }

    Voice::RegionInfo Voice::GetRegionInfo() {
        RegionInfo ri;
        ri.UnityNote = pSample->OriginalPitch;
        ri.FineTune  = pRegion->fineTune;
        ri.Pan       = pRegion->pan;
        ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;

        ri.EG1PreAttack        = 1000;
        ri.EG1Attack           = pRegion->EG1Attack;
        ri.EG1Hold             = pRegion->EG1Hold;
        ri.EG1Decay1           = pRegion->EG1Decay;
        ri.EG1Decay2           = pRegion->EG1Decay;
        ri.EG1Sustain          = pRegion->EG1Sustain;
        ri.EG1InfiniteSustain  = true;
        ri.EG1Release          = pRegion->EG1Release;

        ri.EG2PreAttack        = 1000;
        ri.EG2Attack           = pRegion->EG2Attack;
        //ri.EG2Hold             = pRegion->EG2Hold; // TODO:
        ri.EG2Decay1           = pRegion->EG2Decay;
        ri.EG2Decay2           = pRegion->EG2Decay;
        ri.EG2Sustain          = pRegion->EG2Sustain;
        ri.EG2InfiniteSustain  = true;
        ri.EG2Release          = pRegion->EG2Release;

        ri.EG3Attack     = 0; // TODO:
        ri.EG3Depth      = 0; // TODO:
        ri.VCFEnabled    = false; // TODO:
        ri.VCFType       = ::gig::vcf_type_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;
    }

    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::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 *= 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 = 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;
    }

}} // namespace LinuxSampler::sf2
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	* Copyright (C) 2005 - 2009 Christian Schoenebeck *
7	* Copyright (C) 2009 Grigor Iliev *
8	* *
9	* This program is free software; you can redistribute it and/or modify *
10	* it under the terms of the GNU General Public License as published by *
11	* the Free Software Foundation; either version 2 of the License, or *
12	* (at your option) any later version. *
13	* *
14	* This program is distributed in the hope that it will be useful, *
15	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17	* GNU General Public License for more details. *
18	* *
19	* You should have received a copy of the GNU General Public License *
20	* along with this program; if not, write to the Free Software *
21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22	* MA 02111-1307 USA *
23	***************************************************************************/
24
25	#include "Voice.h"
26
27	#include "Engine.h"
28	#include "EngineChannel.h"
29
30	namespace LinuxSampler { namespace sf2 {
31
32	Voice::Voice() {
33	pEngine = NULL;
34	}
35
36	Voice::~Voice() {
37
38	}
39
40	EngineChannel* Voice::GetSf2EngineChannel() {
41	return static_cast<EngineChannel*>(pEngineChannel);
42	}
43
44	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	Voice::SampleInfo Voice::GetSampleInfo() {
52	SampleInfo si;
53	si.SampleRate = pSample->SampleRate;
54	si.ChannelCount = pSample->GetChannelCount();
55	si.FrameSize = pSample->GetFrameSize();
56	si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
57	si.TotalFrameCount = pSample->GetTotalFrameCount();
58
59	si.HasLoops = pSample->HasLoops();
60	si.LoopStart = (si.HasLoops) ? pSample->StartLoop : 0; // TODO: region loop offsets
61	si.LoopLength = (si.HasLoops) ? pSample->EndLoop : 0; // TODO: region loop offsets
62	si.LoopPlayCount = 0; // TODO:
63	si.Unpitched = pSample->IsUnpitched();
64
65	return si;
66	}
67
68	Voice::RegionInfo Voice::GetRegionInfo() {
69	RegionInfo ri;
70	ri.UnityNote = pSample->OriginalPitch;
71	ri.FineTune = pRegion->fineTune;
72	ri.Pan = pRegion->pan;
73	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
74
75	ri.EG1PreAttack = 1000;
76	ri.EG1Attack = pRegion->EG1Attack;
77	ri.EG1Hold = pRegion->EG1Hold;
78	ri.EG1Decay1 = pRegion->EG1Decay;
79	ri.EG1Decay2 = pRegion->EG1Decay;
80	ri.EG1Sustain = pRegion->EG1Sustain;
81	ri.EG1InfiniteSustain = true;
82	ri.EG1Release = pRegion->EG1Release;
83
84	ri.EG2PreAttack = 1000;
85	ri.EG2Attack = pRegion->EG2Attack;
86	//ri.EG2Hold = pRegion->EG2Hold; // TODO:
87	ri.EG2Decay1 = pRegion->EG2Decay;
88	ri.EG2Decay2 = pRegion->EG2Decay;
89	ri.EG2Sustain = pRegion->EG2Sustain;
90	ri.EG2InfiniteSustain = true;
91	ri.EG2Release = pRegion->EG2Release;
92
93	ri.EG3Attack = 0; // TODO:
94	ri.EG3Depth = 0; // TODO:
95	ri.VCFEnabled = false; // TODO:
96	ri.VCFType = ::gig::vcf_type_lowpass; // TODO:
97	ri.VCFResonance = 0; // TODO:
98
99	ri.ReleaseTriggerDecay = 0; // TODO:
100
101	return ri;
102	}
103
104	Voice::InstrumentInfo Voice::GetInstrumentInfo() {
105	InstrumentInfo ii;
106	ii.FineTune = 0; // TODO:
107	ii.PitchbendRange = 2; // TODO:
108
109	return ii;
110	}
111
112	double Voice::GetSampleAttenuation() {
113	return 1.0; // TODO:
114	}
115
116	double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
117	return double(MIDIKeyVelocity) / 127.0f; // TODO:
118	}
119
120	double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
121	return 0.9; // TODO:
122	}
123
124	void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
125	/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
126	if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
127	itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
128	CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
129	}
130	}*/ // TODO: ^^^
131	}
132
133	void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
134	/*int ccvalue = itEvent->Param.CC.Value;
135	if (VCFCutoffCtrl.value == ccvalue) return;
136	VCFCutoffCtrl.value == ccvalue;
137	if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
138	if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
139	float cutoff = CutoffBase * float(ccvalue);
140	if (cutoff > 127.0f) cutoff = 127.0f;
141
142	VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
143	fFinalCutoff = cutoff;*/ // TODO: ^^^
144	}
145
146	double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
147	/*float crossfadeVolume;
148	switch (pRegion->AttenuationController.type) {
149	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
150	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
151	break;
152	case ::gig::attenuation_ctrl_t::type_velocity:
153	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
154	break;
155	case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
156	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
157	break;
158	case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
159	default:
160	crossfadeVolume = 1.0f;
161	}
162
163	return crossfadeVolume;*/ // TODO: ^^^
164	return 1.0f;
165	}
166
167	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
168	/*double eg1controllervalue = 0;
169	switch (pRegion->EG1Controller.type) {
170	case ::gig::eg1_ctrl_t::type_none: // no controller defined
171	eg1controllervalue = 0;
172	break;
173	case ::gig::eg1_ctrl_t::type_channelaftertouch:
174	eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128];
175	break;
176	case ::gig::eg1_ctrl_t::type_velocity:
177	eg1controllervalue = MIDIKeyVelocity;
178	break;
179	case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
180	eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
181	break;
182	}
183	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
184
185	return eg1controllervalue;*/ // TODO: ^^^
186	return 0;
187	}
188
189	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
198	return eg;*/ // TODO: ^^^
199	EGInfo eg;
200	eg.Attack = 1.0;
201	eg.Decay = 1.0;
202	eg.Release = 1.0;
203	return eg;
204	}
205
206	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
207	/*double eg2controllervalue = 0;
208	switch (pRegion->EG2Controller.type) {
209	case ::gig::eg2_ctrl_t::type_none: // no controller defined
210	eg2controllervalue = 0;
211	break;
212	case ::gig::eg2_ctrl_t::type_channelaftertouch:
213	eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128];
214	break;
215	case ::gig::eg2_ctrl_t::type_velocity:
216	eg2controllervalue = MIDIKeyVelocity;
217	break;
218	case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
219	eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
220	break;
221	}
222	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
223
224	return eg2controllervalue;*/ // TODO: ^^^
225	return 0;
226	}
227
228	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
229	/*EGInfo eg;
230	eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
231	eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
232	eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
233
234	return eg;*/ // TODO: ^^^
235	EGInfo eg;
236	eg.Attack = 1.0;
237	eg.Decay = 1.0;
238	eg.Release = 1.0;
239	return eg;
240	}
241
242	void Voice::InitLFO1() {
243	/*uint16_t lfo1_internal_depth;
244	switch (pRegion->LFO1Controller) {
245	case ::gig::lfo1_ctrl_internal:
246	lfo1_internal_depth = pRegion->LFO1InternalDepth;
247	pLFO1->ExtController = 0; // no external controller
248	bLFO1Enabled = (lfo1_internal_depth > 0);
249	break;
250	case ::gig::lfo1_ctrl_modwheel:
251	lfo1_internal_depth = 0;
252	pLFO1->ExtController = 1; // MIDI controller 1
253	bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
254	break;
255	case ::gig::lfo1_ctrl_breath:
256	lfo1_internal_depth = 0;
257	pLFO1->ExtController = 2; // MIDI controller 2
258	bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
259	break;
260	case ::gig::lfo1_ctrl_internal_modwheel:
261	lfo1_internal_depth = pRegion->LFO1InternalDepth;
262	pLFO1->ExtController = 1; // MIDI controller 1
263	bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
264	break;
265	case ::gig::lfo1_ctrl_internal_breath:
266	lfo1_internal_depth = pRegion->LFO1InternalDepth;
267	pLFO1->ExtController = 2; // MIDI controller 2
268	bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
269	break;
270	default:
271	lfo1_internal_depth = 0;
272	pLFO1->ExtController = 0; // no external controller
273	bLFO1Enabled = false;
274	}
275	if (bLFO1Enabled) {
276	pLFO1->trigger(pRegion->LFO1Frequency,
277	start_level_min,
278	lfo1_internal_depth,
279	pRegion->LFO1ControlDepth,
280	pRegion->LFO1FlipPhase,
281	pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
282	pLFO1->update(pLFO1->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
283	}*/ // TODO: ^^^
284	bLFO1Enabled = false;
285	}
286
287	void Voice::InitLFO2() {
288	/*uint16_t lfo2_internal_depth;
289	switch (pRegion->LFO2Controller) {
290	case ::gig::lfo2_ctrl_internal:
291	lfo2_internal_depth = pRegion->LFO2InternalDepth;
292	pLFO2->ExtController = 0; // no external controller
293	bLFO2Enabled = (lfo2_internal_depth > 0);
294	break;
295	case ::gig::lfo2_ctrl_modwheel:
296	lfo2_internal_depth = 0;
297	pLFO2->ExtController = 1; // MIDI controller 1
298	bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
299	break;
300	case ::gig::lfo2_ctrl_foot:
301	lfo2_internal_depth = 0;
302	pLFO2->ExtController = 4; // MIDI controller 4
303	bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
304	break;
305	case ::gig::lfo2_ctrl_internal_modwheel:
306	lfo2_internal_depth = pRegion->LFO2InternalDepth;
307	pLFO2->ExtController = 1; // MIDI controller 1
308	bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
309	break;
310	case ::gig::lfo2_ctrl_internal_foot:
311	lfo2_internal_depth = pRegion->LFO2InternalDepth;
312	pLFO2->ExtController = 4; // MIDI controller 4
313	bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
314	break;
315	default:
316	lfo2_internal_depth = 0;
317	pLFO2->ExtController = 0; // no external controller
318	bLFO2Enabled = false;
319	}
320	if (bLFO2Enabled) {
321	pLFO2->trigger(pRegion->LFO2Frequency,
322	start_level_max,
323	lfo2_internal_depth,
324	pRegion->LFO2ControlDepth,
325	pRegion->LFO2FlipPhase,
326	pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
327	pLFO2->update(pLFO2->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
328	}*/ // TODO: ^^^
329	bLFO2Enabled = false;
330	}
331
332	void Voice::InitLFO3() {
333	/*uint16_t lfo3_internal_depth;
334	switch (pRegion->LFO3Controller) {
335	case ::gig::lfo3_ctrl_internal:
336	lfo3_internal_depth = pRegion->LFO3InternalDepth;
337	pLFO3->ExtController = 0; // no external controller
338	bLFO3Enabled = (lfo3_internal_depth > 0);
339	break;
340	case ::gig::lfo3_ctrl_modwheel:
341	lfo3_internal_depth = 0;
342	pLFO3->ExtController = 1; // MIDI controller 1
343	bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
344	break;
345	case ::gig::lfo3_ctrl_aftertouch:
346	lfo3_internal_depth = 0;
347	pLFO3->ExtController = 128;
348	bLFO3Enabled = true;
349	break;
350	case ::gig::lfo3_ctrl_internal_modwheel:
351	lfo3_internal_depth = pRegion->LFO3InternalDepth;
352	pLFO3->ExtController = 1; // MIDI controller 1
353	bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
354	break;
355	case ::gig::lfo3_ctrl_internal_aftertouch:
356	lfo3_internal_depth = pRegion->LFO3InternalDepth;
357	pLFO1->ExtController = 128;
358	bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
359	break;
360	default:
361	lfo3_internal_depth = 0;
362	pLFO3->ExtController = 0; // no external controller
363	bLFO3Enabled = false;
364	}
365	if (bLFO3Enabled) {
366	pLFO3->trigger(pRegion->LFO3Frequency,
367	start_level_mid,
368	lfo3_internal_depth,
369	pRegion->LFO3ControlDepth,
370	false,
371	pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
372	pLFO3->update(pLFO3->ExtController ? GetSf2EngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
373	}*/ // TODO: ^^^
374	bLFO3Enabled = false;
375	}
376
377	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
378	/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
379	if (pRegion->VCFKeyboardTracking) {
380	cutoff = exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) 0.057762265f); // (ln(2) / 12)
381	}
382	return cutoff;*/ // TODO: ^^^
383	return 1.0f;
384	}
385
386	float Voice::CalculateFinalCutoff(float cutoffBase) {
387	/*int cvalue;
388	if (VCFCutoffCtrl.controller) {
389	cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
390	if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
391	// VCFVelocityScale in this case means Minimum cutoff
392	if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
393	}
394	else {
395	cvalue = pRegion->VCFCutoff;
396	}
397	float fco = cutoffBase * float(cvalue);
398	if (fco > 127.0f) fco = 127.0f;
399
400	return fco;*/ // TODO: ^^^
401	return 0.0f;
402	}
403
404	uint8_t Voice::GetVCFCutoffCtrl() {
405	/*uint8_t ctrl;
406	switch (pRegion->VCFCutoffController) {
407	case ::gig::vcf_cutoff_ctrl_modwheel:
408	ctrl = 1;
409	break;
410	case ::gig::vcf_cutoff_ctrl_effect1:
411	ctrl = 12;
412	break;
413	case ::gig::vcf_cutoff_ctrl_effect2:
414	ctrl = 13;
415	break;
416	case ::gig::vcf_cutoff_ctrl_breath:
417	ctrl = 2;
418	break;
419	case ::gig::vcf_cutoff_ctrl_foot:
420	ctrl = 4;
421	break;
422	case ::gig::vcf_cutoff_ctrl_sustainpedal:
423	ctrl = 64;
424	break;
425	case ::gig::vcf_cutoff_ctrl_softpedal:
426	ctrl = 67;
427	break;
428	case ::gig::vcf_cutoff_ctrl_genpurpose7:
429	ctrl = 82;
430	break;
431	case ::gig::vcf_cutoff_ctrl_genpurpose8:
432	ctrl = 83;
433	break;
434	case ::gig::vcf_cutoff_ctrl_aftertouch:
435	ctrl = 128;
436	break;
437	case ::gig::vcf_cutoff_ctrl_none:
438	default:
439	ctrl = 0;
440	break;
441	}
442
443	return ctrl;*/ // TODO: ^^^
444	return 0;
445	}
446
447	uint8_t Voice::GetVCFResonanceCtrl() {
448	/*uint8_t ctrl;
449	switch (pRegion->VCFResonanceController) {
450	case ::gig::vcf_res_ctrl_genpurpose3:
451	ctrl = 18;
452	break;
453	case ::gig::vcf_res_ctrl_genpurpose4:
454	ctrl = 19;
455	break;
456	case ::gig::vcf_res_ctrl_genpurpose5:
457	ctrl = 80;
458	break;
459	case ::gig::vcf_res_ctrl_genpurpose6:
460	ctrl = 81;
461	break;
462	case ::gig::vcf_res_ctrl_none:
463	default:
464	ctrl = 0;
465	}
466
467	return ctrl;*/ // TODO: ^^^
468	return 0;
469	}
470
471	}} // namespace LinuxSampler::sf2