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 - 2012 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> SF2Voice;
    Voice::Voice(): SignalRack(this), SF2Voice(&SignalRack) {
        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  = 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;
    }

}} // namespace LinuxSampler::sf2
1	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	persson	2055	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	persson	2327	* Copyright (C) 2009 - 2012 Christian Schoenebeck and Grigor Iliev *
8	iliev	2012	* *
9			* This program is free software; you can redistribute it and/or modify *
10			* it under the terms of the GNU General Public License as published by *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25	iliev	2015	#include "Voice.h"
26
27	iliev	2012	#include "Engine.h"
28			#include "EngineChannel.h"
29
30			namespace LinuxSampler { namespace sf2 {
31
32	iliev	2217	typedef LinuxSampler::VoiceBase<EngineChannel, ::sf2::Region, ::sf2::Sample, DiskThread> SF2Voice;
33			Voice::Voice(): SignalRack(this), SF2Voice(&SignalRack) {
34	persson	2055	pEngine = NULL;
35	iliev	2217	pEG1 = NULL;
36			pEG2 = NULL;
37	iliev	2012	}
38
39			Voice::~Voice() {
40	iliev	2015
41	iliev	2012	}
42
43	iliev	2205	void Voice::AboutToTrigger() {
44
45			}
46
47	iliev	2015	EngineChannel* Voice::GetSf2EngineChannel() {
48			return static_cast<EngineChannel*>(pEngineChannel);
49			}
50
51	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
52			Engine* engine = static_cast<Engine*>(pEngine);
53			this->pEngine = engine;
54			this->pDiskThread = engine->pDiskThread;
55			dmsg(6,("Voice::SetEngine()\n"));
56			}
57
58	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
59			SampleInfo si;
60			si.SampleRate = pSample->SampleRate;
61			si.ChannelCount = pSample->GetChannelCount();
62			si.FrameSize = pSample->GetFrameSize();
63			si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
64			si.TotalFrameCount = pSample->GetTotalFrameCount();
65	iliev	2012
66	iliev	2021	si.HasLoops = pRegion->HasLoop;
67			si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0;
68			si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0;
69	iliev	2015	si.LoopPlayCount = 0; // TODO:
70			si.Unpitched = pSample->IsUnpitched();
71	iliev	2012
72	iliev	2015	return si;
73			}
74	iliev	2012
75	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
76	iliev	2027	::sf2::Region* reg = NULL;
77			::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument;
78			for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization?
79			if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) {
80	persson	2203	reg = preset->GetRegion(i); // TODO: Can the instrument belong to more than one preset region?
81	iliev	2027	break;
82			}
83			}
84	persson	2203	pPresetRegion = reg;
85
86	iliev	2015	RegionInfo ri;
87	iliev	2021	ri.UnityNote = pRegion->GetUnityNote();
88	iliev	2027	ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100);
89			ri.Pan = pRegion->GetPan(reg);
90	iliev	2015	ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset;
91	iliev	2012
92	iliev	2027	// sample pitch
93	iliev	2207	ri.VCFEnabled = true; // TODO:
94	persson	2175	ri.VCFType = Filter::vcf_type_2p_lowpass; // TODO:
95	iliev	2015	ri.VCFResonance = 0; // TODO:
96	iliev	2012
97	iliev	2015	ri.ReleaseTriggerDecay = 0; // TODO:
98	iliev	2012
99	iliev	2015	return ri;
100			}
101
102			Voice::InstrumentInfo Voice::GetInstrumentInfo() {
103			InstrumentInfo ii;
104			ii.FineTune = 0; // TODO:
105			ii.PitchbendRange = 2; // TODO:
106
107			return ii;
108			}
109
110			double Voice::GetSampleAttenuation() {
111			return 1.0; // TODO:
112			}
113
114			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
115			return double(MIDIKeyVelocity) / 127.0f; // TODO:
116			}
117
118			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
119			return 0.9; // TODO:
120			}
121
122			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
123			/*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
124			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
125			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
126			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
127			}
128			}*/ // TODO: ^^^
129			}
130	schoenebeck	2559
131			void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
132			//TODO: ...
133			}
134
135			void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
136			//TODO: ...
137			}
138	iliev	2015
139			void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
140			/*int ccvalue = itEvent->Param.CC.Value;
141			if (VCFCutoffCtrl.value == ccvalue) return;
142			VCFCutoffCtrl.value == ccvalue;
143			if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue;
144			if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
145			float cutoff = CutoffBase * float(ccvalue);
146			if (cutoff > 127.0f) cutoff = 127.0f;
147
148			VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
149			fFinalCutoff = cutoff;*/ // TODO: ^^^
150			}
151
152			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
153	iliev	2012	/*float crossfadeVolume;
154			switch (pRegion->AttenuationController.type) {
155			case ::gig::attenuation_ctrl_t::type_channelaftertouch:
156	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])];
157	iliev	2012	break;
158			case ::gig::attenuation_ctrl_t::type_velocity:
159	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
160	iliev	2012	break;
161			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
162	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
163	iliev	2012	break;
164			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
165			default:
166			crossfadeVolume = 1.0f;
167			}
168
169	iliev	2015	return crossfadeVolume;*/ // TODO: ^^^
170			return 1.0f;
171			}
172	iliev	2012
173	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
174			/*double eg1controllervalue = 0;
175			switch (pRegion->EG1Controller.type) {
176			case ::gig::eg1_ctrl_t::type_none: // no controller defined
177			eg1controllervalue = 0;
178			break;
179			case ::gig::eg1_ctrl_t::type_channelaftertouch:
180			eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128];
181			break;
182			case ::gig::eg1_ctrl_t::type_velocity:
183			eg1controllervalue = MIDIKeyVelocity;
184			break;
185			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
186			eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
187			break;
188	iliev	2012	}
189	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
190	iliev	2012
191	iliev	2015	return eg1controllervalue;*/ // TODO: ^^^
192			return 0;
193			}
194	iliev	2012
195	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
196			/*EGInfo eg;
197			// (eg1attack is different from the others)
198			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
199			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
200			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
201			eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
202			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
203	iliev	2012
204	iliev	2015	return eg;*/ // TODO: ^^^
205			EGInfo eg;
206			eg.Attack = 1.0;
207			eg.Decay = 1.0;
208			eg.Release = 1.0;
209			return eg;
210			}
211	iliev	2012
212	iliev	2015	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
213			/*double eg2controllervalue = 0;
214			switch (pRegion->EG2Controller.type) {
215			case ::gig::eg2_ctrl_t::type_none: // no controller defined
216			eg2controllervalue = 0;
217			break;
218			case ::gig::eg2_ctrl_t::type_channelaftertouch:
219			eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128];
220			break;
221			case ::gig::eg2_ctrl_t::type_velocity:
222			eg2controllervalue = MIDIKeyVelocity;
223			break;
224			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
225			eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
226			break;
227	iliev	2012	}
228	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
229	iliev	2012
230	iliev	2015	return eg2controllervalue;*/ // TODO: ^^^
231			return 0;
232			}
233	iliev	2012
234	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
235			/*EGInfo eg;
236			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
237			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
238			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
239	iliev	2012
240	iliev	2015	return eg;*/ // TODO: ^^^
241			EGInfo eg;
242			eg.Attack = 1.0;
243			eg.Decay = 1.0;
244			eg.Release = 1.0;
245			return eg;
246			}
247	iliev	2012
248	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
249	iliev	2207	float cutoff = pRegion->GetInitialFilterFc(pPresetRegion);
250			if (MIDIKeyVelocity == 0) return cutoff;
251
252			cutoff *= RTMath::CentsToFreqRatioUnlimited (
253			((127 - MIDIKeyVelocity) / 127.0) * -2400 // 8.4.2 MIDI Note-On Velocity to Filter Cutoff
254			);
255
256			return cutoff;
257	iliev	2012	}
258
259	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
260			/*int cvalue;
261			if (VCFCutoffCtrl.controller) {
262			cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
263			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
264			// VCFVelocityScale in this case means Minimum cutoff
265			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
266	iliev	2012	}
267	iliev	2015	else {
268			cvalue = pRegion->VCFCutoff;
269			}
270			float fco = cutoffBase * float(cvalue);
271			if (fco > 127.0f) fco = 127.0f;
272	iliev	2012
273	iliev	2015	return fco;*/ // TODO: ^^^
274	iliev	2207	return cutoffBase;
275	iliev	2012	}
276
277	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
278			/*uint8_t ctrl;
279			switch (pRegion->VCFCutoffController) {
280			case ::gig::vcf_cutoff_ctrl_modwheel:
281			ctrl = 1;
282			break;
283			case ::gig::vcf_cutoff_ctrl_effect1:
284			ctrl = 12;
285			break;
286			case ::gig::vcf_cutoff_ctrl_effect2:
287			ctrl = 13;
288			break;
289			case ::gig::vcf_cutoff_ctrl_breath:
290			ctrl = 2;
291			break;
292			case ::gig::vcf_cutoff_ctrl_foot:
293			ctrl = 4;
294			break;
295			case ::gig::vcf_cutoff_ctrl_sustainpedal:
296			ctrl = 64;
297			break;
298			case ::gig::vcf_cutoff_ctrl_softpedal:
299			ctrl = 67;
300			break;
301			case ::gig::vcf_cutoff_ctrl_genpurpose7:
302			ctrl = 82;
303			break;
304			case ::gig::vcf_cutoff_ctrl_genpurpose8:
305			ctrl = 83;
306			break;
307			case ::gig::vcf_cutoff_ctrl_aftertouch:
308	schoenebeck	3017	ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
309	iliev	2015	break;
310			case ::gig::vcf_cutoff_ctrl_none:
311			default:
312			ctrl = 0;
313			break;
314	iliev	2012	}
315
316	iliev	2015	return ctrl;*/ // TODO: ^^^
317			return 0;
318	iliev	2012	}
319
320	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
321			/*uint8_t ctrl;
322			switch (pRegion->VCFResonanceController) {
323			case ::gig::vcf_res_ctrl_genpurpose3:
324			ctrl = 18;
325			break;
326			case ::gig::vcf_res_ctrl_genpurpose4:
327			ctrl = 19;
328			break;
329			case ::gig::vcf_res_ctrl_genpurpose5:
330			ctrl = 80;
331			break;
332			case ::gig::vcf_res_ctrl_genpurpose6:
333			ctrl = 81;
334			break;
335			case ::gig::vcf_res_ctrl_none:
336			default:
337			ctrl = 0;
338	iliev	2012	}
339
340	iliev	2015	return ctrl;*/ // TODO: ^^^
341			return 0;
342	iliev	2012	}
343
344	persson	2114	void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
345	schoenebeck	2879	if (itEvent->Param.Note.Key != HostKey()) {
346	persson	2114	// kill the voice fast
347	iliev	2218	SignalRack.EnterFadeOutStage();
348	persson	2114	}
349			}
350
351	persson	2327	void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
352			SignalRack.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
353			}
354
355	persson	2382	int Voice::CalculatePan(uint8_t pan) {
356			int p = pan + RgnInfo.Pan;
357
358			if (p < 0) return 0;
359			if (p > 127) return 127;
360			return p;
361			}
362
363	iliev	2012	}} // namespace LinuxSampler::sf2