engines/sf2/Voice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2016 Christian Schoenebeck and Grigor Iliev      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "Voice.h"

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

namespace LinuxSampler { namespace sf2 {

    typedef LinuxSampler::VoiceBase<EngineChannel, ::sf2::Region, ::sf2::Sample, DiskThread> SF2VoiceBase;

    Voice::Voice(): SF2VoiceBase(&SignalRack), SignalRack(this) {
        pEngine = NULL;
        pEG1 = NULL;
        pEG2 = NULL;
    }

    Voice::~Voice() {

    }

    void Voice::AboutToTrigger() {
        
    }

    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  = (uint)pSample->GetTotalFrameCount();

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

        return si;
    }

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

        RegionInfo ri;
        ri.UnityNote = pRegion->GetUnityNote();
        ri.FineTune  = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
        ri.Pan       = pRegion->GetPan(reg);
        ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;

        // sample pitch
        ri.VCFEnabled    = true; // TODO:
        ri.VCFType       = Filter::vcf_type_2p_lowpass; // TODO:
        ri.VCFResonance  = 0; // TODO:

        ri.ReleaseTriggerDecay = 0; // TODO:

        return ri;
    }

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

        return ii;
    }

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

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

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

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

    float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
        float cutoff = pRegion->GetInitialFilterFc(pPresetRegion);
        if (MIDIKeyVelocity == 0) return cutoff;

        cutoff *= RTMath::CentsToFreqRatioUnlimited (
            ((127 - MIDIKeyVelocity) / 127.0) * -2400 // 8.4.2 MIDI Note-On Velocity to Filter Cutoff
        );

        return cutoff;
    }

    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 cutoffBase;
    }

    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 = CTRL_TABLE_IDX_AFTERTOUCH;
                break;
            case ::gig::vcf_cutoff_ctrl_none:
            default:
                ctrl = 0;
                break;
        }

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

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

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

    void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
        if (itEvent->Param.Note.Key != HostKey()) {
            // kill the voice fast
            SignalRack.EnterFadeOutStage();
        }
    }

    void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
        SignalRack.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
    }

    int Voice::CalculatePan(uint8_t pan) {
        int p = pan + RgnInfo.Pan;

        if (p < 0) return 0;
        if (p > 127) return 127;
        return p;
    }

    release_trigger_t Voice::GetReleaseTriggerFlags() {
        return release_trigger_none;
    }

}} // namespace LinuxSampler::sf2
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	* Copyright (C) 2009 - 2016 Christian Schoenebeck and Grigor Iliev *
8	* *
9	* This program is free software; you can redistribute it and/or modify *
10	* it under the terms of the GNU General Public License as published by *
11	* the Free Software Foundation; either version 2 of the License, or *
12	* (at your option) any later version. *
13	* *
14	* This program is distributed in the hope that it will be useful, *
15	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17	* GNU General Public License for more details. *
18	* *
19	* You should have received a copy of the GNU General Public License *
20	* along with this program; if not, write to the Free Software *
21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22	* MA 02111-1307 USA *
23	***************************************************************************/
24
25	#include "Voice.h"
26
27	#include "Engine.h"
28	#include "EngineChannel.h"
29
30	namespace LinuxSampler { namespace sf2 {
31
32	typedef LinuxSampler::VoiceBase<EngineChannel, ::sf2::Region, ::sf2::Sample, DiskThread> SF2VoiceBase;
33
34	Voice::Voice(): SF2VoiceBase(&SignalRack), SignalRack(this) {
35	pEngine = NULL;
36	pEG1 = NULL;
37	pEG2 = NULL;
38	}
39
40	Voice::~Voice() {
41
42	}
43
44	void Voice::AboutToTrigger() {
45
46	}
47
48	EngineChannel* Voice::GetSf2EngineChannel() {
49	return static_cast<EngineChannel*>(pEngineChannel);
50	}
51
52	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
53	Engine* engine = static_cast<Engine*>(pEngine);
54	this->pEngine = engine;
55	this->pDiskThread = engine->pDiskThread;
56	dmsg(6,("Voice::SetEngine()\n"));
57	}
58
59	Voice::SampleInfo Voice::GetSampleInfo() {
60	SampleInfo si;
61	si.SampleRate = pSample->SampleRate;
62	si.ChannelCount = pSample->GetChannelCount();
63	si.FrameSize = pSample->GetFrameSize();
64	si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
65	si.TotalFrameCount = (uint)pSample->GetTotalFrameCount();
66
67	si.HasLoops = pRegion->HasLoop;
68	si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0;
69	si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
70	si.LoopPlayCount = 0; // TODO:
71	si.Unpitched = pSample->IsUnpitched();
72
73	return si;
74	}
75
76	Voice::RegionInfo Voice::GetRegionInfo() {
77	::sf2::Region* reg = NULL;
78	::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument;
79	for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization?
80	if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) {
81	reg = preset->GetRegion(i); // TODO: Can the instrument belong to more than one preset region?
82	break;
83	}
84	}
85	pPresetRegion = reg;
86
87	RegionInfo ri;
88	ri.UnityNote = pRegion->GetUnityNote();
89	ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
90	ri.Pan = pRegion->GetPan(reg);
91	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
92
93	// sample pitch
94	ri.VCFEnabled = true; // TODO:
95	ri.VCFType = Filter::vcf_type_2p_lowpass; // TODO:
96	ri.VCFResonance = 0; // TODO:
97
98	ri.ReleaseTriggerDecay = 0; // TODO:
99
100	return ri;
101	}
102
103	Voice::InstrumentInfo Voice::GetInstrumentInfo() {
104	InstrumentInfo ii;
105	ii.FineTune = 0; // TODO:
106	ii.PitchbendRange = 2; // TODO:
107
108	return ii;
109	}
110
111	double Voice::GetSampleAttenuation() {
112	return 1.0; // TODO:
113	}
114
115	double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
116	return double(MIDIKeyVelocity) / 127.0f; // TODO:
117	}
118
119	double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
120	return 0.9; // TODO:
121	}
122
123	void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
124	/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
125	if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
126	itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
127	CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
128	}
129	}*/ // TODO: ^^^
130	}
131
132	void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
133	//TODO: ...
134	}
135
136	void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
137	//TODO: ...
138	}
139
140	void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
141	/*int ccvalue = itEvent->Param.CC.Value;
142	if (VCFCutoffCtrl.value == ccvalue) return;
143	VCFCutoffCtrl.value == ccvalue;
144	if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
145	if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
146	float cutoff = CutoffBase * float(ccvalue);
147	if (cutoff > 127.0f) cutoff = 127.0f;
148
149	VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
150	fFinalCutoff = cutoff;*/ // TODO: ^^^
151	}
152
153	double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
154	/*float crossfadeVolume;
155	switch (pRegion->AttenuationController.type) {
156	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
157	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
158	break;
159	case ::gig::attenuation_ctrl_t::type_velocity:
160	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
161	break;
162	case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
163	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
164	break;
165	case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
166	default:
167	crossfadeVolume = 1.0f;
168	}
169
170	return crossfadeVolume;*/ // TODO: ^^^
171	return 1.0f;
172	}
173
174	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
175	/*double eg1controllervalue = 0;
176	switch (pRegion->EG1Controller.type) {
177	case ::gig::eg1_ctrl_t::type_none: // no controller defined
178	eg1controllervalue = 0;
179	break;
180	case ::gig::eg1_ctrl_t::type_channelaftertouch:
181	eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128];
182	break;
183	case ::gig::eg1_ctrl_t::type_velocity:
184	eg1controllervalue = MIDIKeyVelocity;
185	break;
186	case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
187	eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
188	break;
189	}
190	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
191
192	return eg1controllervalue;*/ // TODO: ^^^
193	return 0;
194	}
195
196	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
197	/*EGInfo eg;
198	// (eg1attack is different from the others)
199	eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
200	1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
201	1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
202	eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
203	eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
204
205	return eg;*/ // TODO: ^^^
206	EGInfo eg;
207	eg.Attack = 1.0;
208	eg.Decay = 1.0;
209	eg.Release = 1.0;
210	return eg;
211	}
212
213	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
214	/*double eg2controllervalue = 0;
215	switch (pRegion->EG2Controller.type) {
216	case ::gig::eg2_ctrl_t::type_none: // no controller defined
217	eg2controllervalue = 0;
218	break;
219	case ::gig::eg2_ctrl_t::type_channelaftertouch:
220	eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128];
221	break;
222	case ::gig::eg2_ctrl_t::type_velocity:
223	eg2controllervalue = MIDIKeyVelocity;
224	break;
225	case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
226	eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
227	break;
228	}
229	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
230
231	return eg2controllervalue;*/ // TODO: ^^^
232	return 0;
233	}
234
235	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
236	/*EGInfo eg;
237	eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
238	eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
239	eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
240
241	return eg;*/ // TODO: ^^^
242	EGInfo eg;
243	eg.Attack = 1.0;
244	eg.Decay = 1.0;
245	eg.Release = 1.0;
246	return eg;
247	}
248
249	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
250	float cutoff = pRegion->GetInitialFilterFc(pPresetRegion);
251	if (MIDIKeyVelocity == 0) return cutoff;
252
253	cutoff *= RTMath::CentsToFreqRatioUnlimited (
254	((127 - MIDIKeyVelocity) / 127.0) * -2400 // 8.4.2 MIDI Note-On Velocity to Filter Cutoff
255	);
256
257	return cutoff;
258	}
259
260	float Voice::CalculateFinalCutoff(float cutoffBase) {
261	/*int cvalue;
262	if (VCFCutoffCtrl.controller) {
263	cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
264	if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
265	// VCFVelocityScale in this case means Minimum cutoff
266	if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
267	}
268	else {
269	cvalue = pRegion->VCFCutoff;
270	}
271	float fco = cutoffBase * float(cvalue);
272	if (fco > 127.0f) fco = 127.0f;
273
274	return fco;*/ // TODO: ^^^
275	return cutoffBase;
276	}
277
278	uint8_t Voice::GetVCFCutoffCtrl() {
279	/*uint8_t ctrl;
280	switch (pRegion->VCFCutoffController) {
281	case ::gig::vcf_cutoff_ctrl_modwheel:
282	ctrl = 1;
283	break;
284	case ::gig::vcf_cutoff_ctrl_effect1:
285	ctrl = 12;
286	break;
287	case ::gig::vcf_cutoff_ctrl_effect2:
288	ctrl = 13;
289	break;
290	case ::gig::vcf_cutoff_ctrl_breath:
291	ctrl = 2;
292	break;
293	case ::gig::vcf_cutoff_ctrl_foot:
294	ctrl = 4;
295	break;
296	case ::gig::vcf_cutoff_ctrl_sustainpedal:
297	ctrl = 64;
298	break;
299	case ::gig::vcf_cutoff_ctrl_softpedal:
300	ctrl = 67;
301	break;
302	case ::gig::vcf_cutoff_ctrl_genpurpose7:
303	ctrl = 82;
304	break;
305	case ::gig::vcf_cutoff_ctrl_genpurpose8:
306	ctrl = 83;
307	break;
308	case ::gig::vcf_cutoff_ctrl_aftertouch:
309	ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
310	break;
311	case ::gig::vcf_cutoff_ctrl_none:
312	default:
313	ctrl = 0;
314	break;
315	}
316
317	return ctrl;*/ // TODO: ^^^
318	return 0;
319	}
320
321	uint8_t Voice::GetVCFResonanceCtrl() {
322	/*uint8_t ctrl;
323	switch (pRegion->VCFResonanceController) {
324	case ::gig::vcf_res_ctrl_genpurpose3:
325	ctrl = 18;
326	break;
327	case ::gig::vcf_res_ctrl_genpurpose4:
328	ctrl = 19;
329	break;
330	case ::gig::vcf_res_ctrl_genpurpose5:
331	ctrl = 80;
332	break;
333	case ::gig::vcf_res_ctrl_genpurpose6:
334	ctrl = 81;
335	break;
336	case ::gig::vcf_res_ctrl_none:
337	default:
338	ctrl = 0;
339	}
340
341	return ctrl;*/ // TODO: ^^^
342	return 0;
343	}
344
345	void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
346	if (itEvent->Param.Note.Key != HostKey()) {
347	// kill the voice fast
348	SignalRack.EnterFadeOutStage();
349	}
350	}
351
352	void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
353	SignalRack.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
354	}
355
356	int Voice::CalculatePan(uint8_t pan) {
357	int p = pan + RgnInfo.Pan;
358
359	if (p < 0) return 0;
360	if (p > 127) return 127;
361	return p;
362	}
363
364	release_trigger_t Voice::GetReleaseTriggerFlags() {
365	return release_trigger_none;
366	}
367
368	}} // namespace LinuxSampler::sf2