engines/gig/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 - 2015 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 "../../common/Features.h"
#include "Synthesizer.h"
#include "Profiler.h"
#include "Engine.h"
#include "EngineChannel.h"

#include "Voice.h"

namespace LinuxSampler { namespace gig {

    Voice::Voice() {
        pEngine = NULL;
        pEG1 = &EG1;
        pEG2 = &EG2;
    }

    Voice::~Voice() {
    }

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

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

    Voice::SampleInfo Voice::GetSampleInfo() {
        SampleInfo si;
        si.SampleRate       = pSample->SamplesPerSecond;
        si.ChannelCount     = pSample->Channels;
        si.FrameSize        = pSample->FrameSize;
        si.BitDepth         = pSample->BitDepth;
        si.TotalFrameCount  = pSample->SamplesTotal;

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

        return si;
    }

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

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

        ri.EG3Attack     = pRegion->EG3Attack;
        ri.EG3Depth      = pRegion->EG3Depth;
        ri.VCFEnabled    = pRegion->VCFEnabled;
        ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
        ri.VCFResonance  = pRegion->VCFResonance;

        ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);

        return ri;
    }

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

        return ii;
    }

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

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

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

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

    void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
        if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
            if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
                CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
            }
        }
    }

    void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
        // Not used so far
    }

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

        VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
        fFinalCutoff = cutoff;
    }

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

        return crossfadeVolume;
    }

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

        return eg1controllervalue;
    }

    Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
        EGInfo eg;
        // (eg1attack is different from the others)
        if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
            (pRegion->EG1ControllerAttackInfluence == 0 ||
             eg1ControllerValue <= 10)) { // strange GSt special case
            eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
        } else {
            eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
                1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
                                      1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
        }
        eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
        eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;

        return eg;
    }

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

        return eg2controllervalue;
    }

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

        return eg;
    }

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

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

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

    float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
        float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
        if (pRegion->VCFKeyboardTracking) {
            cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
        }
        return cutoff;
    }

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

        return fco;
    }

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

        return ctrl;
    }

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

        return ctrl;
    }

    void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG1.trigger(pRegion->EG1PreAttack,
                    RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
                    pRegion->EG1Hold,
                    pRegion->EG1Decay1 * egInfo.Decay * velrelease,
                    pRegion->EG1Decay2 * egInfo.Decay * velrelease,
                    pRegion->EG1InfiniteSustain,
                    pRegion->EG1Sustain,
                    RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
                    velocityAttenuation,
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

    void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
        EG2.trigger(uint(RgnInfo.EG2PreAttack),
                    RgnInfo.EG2Attack * egInfo.Attack,
                    false,
                    RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
                    RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
                    RgnInfo.EG2InfiniteSustain,
                    uint(RgnInfo.EG2Sustain),
                    RgnInfo.EG2Release * egInfo.Release * velrelease,
                    velocityAttenuation,
                    sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
    }

    void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
        dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));

        // TODO: The SustainPedal condition could be wrong, maybe the
        // check should be if this Voice is in release stage or is a
        // release sample instead. Need to test this in GSt.
        // -- Andreas
        //
        // Commented sustain pedal check out. I don't think voices of the same
        // note should be stopped at all, because it doesn't sound naturally
        // with a drumkit.
        // -- Christian, 2013-01-08
        if (itEvent->Param.Note.Key != HostKey() /*||
            !GetGigEngineChannel()->SustainPedal*/) {
            dmsg(4,("Voice %p - kill", (void*)this));

            // kill the voice fast
            pEG1->enterFadeOutStage();
        }
    }

    void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
        EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
    }

    int Voice::CalculatePan(uint8_t pan) {
        int p;
        // Gst behaviour: -64 and 63 are special cases
        if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
        else if (RgnInfo.Pan == 63) p = pan * 2;
        else                        p = pan + RgnInfo.Pan;

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

}} // namespace LinuxSampler::gig
1	schoenebeck	53	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	schoenebeck	56	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	persson	2055	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7	persson	2837	* Copyright (C) 2009 - 2015 Christian Schoenebeck and Grigor Iliev *
8	schoenebeck	53	* *
9			* This program is free software; you can redistribute it and/or modify *
10			* it under the terms of the GNU General Public License as published by *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25	schoenebeck	319	#include "../../common/Features.h"
26			#include "Synthesizer.h"
27	schoenebeck	770	#include "Profiler.h"
28	iliev	2012	#include "Engine.h"
29			#include "EngineChannel.h"
30	schoenebeck	53
31			#include "Voice.h"
32
33			namespace LinuxSampler { namespace gig {
34
35			Voice::Voice() {
36	persson	2055	pEngine = NULL;
37			pEG1 = &EG1;
38	persson	2175	pEG2 = &EG2;
39	schoenebeck	53	}
40
41			Voice::~Voice() {
42			}
43
44	iliev	2015	EngineChannel* Voice::GetGigEngineChannel() {
45			return static_cast<EngineChannel*>(pEngineChannel);
46			}
47
48	iliev	2012	void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
49			Engine* engine = static_cast<Engine*>(pEngine);
50			this->pEngine = engine;
51			this->pDiskThread = engine->pDiskThread;
52	schoenebeck	64	dmsg(6,("Voice::SetEngine()\n"));
53	schoenebeck	53	}
54
55	iliev	2015	Voice::SampleInfo Voice::GetSampleInfo() {
56			SampleInfo si;
57			si.SampleRate = pSample->SamplesPerSecond;
58			si.ChannelCount = pSample->Channels;
59			si.FrameSize = pSample->FrameSize;
60			si.BitDepth = pSample->BitDepth;
61			si.TotalFrameCount = pSample->SamplesTotal;
62	schoenebeck	669
63	iliev	2015	si.HasLoops = pRegion->SampleLoops;
64			si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0;
65			si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
66			si.LoopPlayCount = pSample->LoopPlayCount;
67			si.Unpitched = !pRegion->PitchTrack;
68	schoenebeck	53
69	iliev	2015	return si;
70			}
71	schoenebeck	53
72	iliev	2015	Voice::RegionInfo Voice::GetRegionInfo() {
73			RegionInfo ri;
74			ri.UnityNote = pRegion->UnityNote;
75			ri.FineTune = pRegion->FineTune;
76			ri.Pan = pRegion->Pan;
77			ri.SampleStartOffset = pRegion->SampleStartOffset;
78	persson	630
79	iliev	2015	ri.EG2PreAttack = pRegion->EG2PreAttack;
80			ri.EG2Attack = pRegion->EG2Attack;
81			ri.EG2Decay1 = pRegion->EG2Decay1;
82			ri.EG2Decay2 = pRegion->EG2Decay2;
83			ri.EG2Sustain = pRegion->EG2Sustain;
84			ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain;
85			ri.EG2Release = pRegion->EG2Release;
86	persson	630
87	iliev	2015	ri.EG3Attack = pRegion->EG3Attack;
88			ri.EG3Depth = pRegion->EG3Depth;
89			ri.VCFEnabled = pRegion->VCFEnabled;
90	persson	2175	ri.VCFType = Filter::vcf_type_t(pRegion->VCFType);
91	iliev	2015	ri.VCFResonance = pRegion->VCFResonance;
92
93	persson	2061	ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
94	iliev	2015
95			return ri;
96			}
97
98			Voice::InstrumentInfo Voice::GetInstrumentInfo() {
99			InstrumentInfo ii;
100			ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
101			ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
102
103			return ii;
104			}
105
106			double Voice::GetSampleAttenuation() {
107			return pRegion->SampleAttenuation;
108			}
109
110			double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
111			return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
112			}
113
114			double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
115			return pRegion->GetVelocityRelease(MIDIKeyVelocity);
116			}
117
118			void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
119			if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
120			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
121			itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
122			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
123			}
124	persson	630	}
125	iliev	2015	}
126	persson	630
127	schoenebeck	2559	void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
128			if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
129			if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
130			CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
131			}
132			}
133			}
134
135			void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
136			// Not used so far
137			}
138
139	iliev	2015	void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
140			int ccvalue = itEvent->Param.CC.Value;
141			if (VCFCutoffCtrl.value == ccvalue) return;
142	persson	2175	VCFCutoffCtrl.value = ccvalue;
143	iliev	2015	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	schoenebeck	319
148	iliev	2015	VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
149			fFinalCutoff = cutoff;
150			}
151
152			double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
153	persson	832	float crossfadeVolume;
154	iliev	2015	switch (pRegion->AttenuationController.type) {
155	schoenebeck	236	case ::gig::attenuation_ctrl_t::type_channelaftertouch:
156	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
157	schoenebeck	236	break;
158			case ::gig::attenuation_ctrl_t::type_velocity:
159	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
160	schoenebeck	236	break;
161			case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
162	iliev	2015	crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
163	schoenebeck	236	break;
164			case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
165			default:
166	persson	832	crossfadeVolume = 1.0f;
167	schoenebeck	236	}
168
169	iliev	2015	return crossfadeVolume;
170			}
171	schoenebeck	245
172	iliev	2015	double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
173			double eg1controllervalue = 0;
174			switch (pRegion->EG1Controller.type) {
175			case ::gig::eg1_ctrl_t::type_none: // no controller defined
176			eg1controllervalue = 0;
177			break;
178			case ::gig::eg1_ctrl_t::type_channelaftertouch:
179			eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
180			break;
181			case ::gig::eg1_ctrl_t::type_velocity:
182			eg1controllervalue = MIDIKeyVelocity;
183			break;
184			case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
185			eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
186			break;
187	schoenebeck	53	}
188	iliev	2015	if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
189	schoenebeck	53
190	iliev	2015	return eg1controllervalue;
191			}
192	persson	1700
193	iliev	2015	Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
194			EGInfo eg;
195			// (eg1attack is different from the others)
196	persson	2408	if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
197			(pRegion->EG1ControllerAttackInfluence == 0 \|\|
198			eg1ControllerValue <= 10)) { // strange GSt special case
199			eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
200			} else {
201			eg.Attack = (pRegion->EG1ControllerAttackInfluence) ?
202			1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
203			1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
204			}
205	iliev	2015	eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0;
206			eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
207	persson	1700
208	iliev	2015	return eg;
209			}
210	schoenebeck	53
211	iliev	2015	double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
212			double eg2controllervalue = 0;
213			switch (pRegion->EG2Controller.type) {
214			case ::gig::eg2_ctrl_t::type_none: // no controller defined
215			eg2controllervalue = 0;
216			break;
217			case ::gig::eg2_ctrl_t::type_channelaftertouch:
218			eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
219			break;
220			case ::gig::eg2_ctrl_t::type_velocity:
221			eg2controllervalue = MIDIKeyVelocity;
222			break;
223			case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
224			eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
225			break;
226	schoenebeck	53	}
227	iliev	2015	if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
228	schoenebeck	53
229	iliev	2015	return eg2controllervalue;
230			}
231	schoenebeck	53
232	iliev	2015	Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
233			EGInfo eg;
234			eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0;
235			eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0;
236			eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
237	persson	830
238	iliev	2015	return eg;
239			}
240	schoenebeck	53
241	iliev	2015	void Voice::InitLFO1() {
242			uint16_t lfo1_internal_depth;
243			switch (pRegion->LFO1Controller) {
244			case ::gig::lfo1_ctrl_internal:
245			lfo1_internal_depth = pRegion->LFO1InternalDepth;
246			pLFO1->ExtController = 0; // no external controller
247			bLFO1Enabled = (lfo1_internal_depth > 0);
248			break;
249			case ::gig::lfo1_ctrl_modwheel:
250			lfo1_internal_depth = 0;
251			pLFO1->ExtController = 1; // MIDI controller 1
252			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
253			break;
254			case ::gig::lfo1_ctrl_breath:
255			lfo1_internal_depth = 0;
256			pLFO1->ExtController = 2; // MIDI controller 2
257			bLFO1Enabled = (pRegion->LFO1ControlDepth > 0);
258			break;
259			case ::gig::lfo1_ctrl_internal_modwheel:
260			lfo1_internal_depth = pRegion->LFO1InternalDepth;
261			pLFO1->ExtController = 1; // MIDI controller 1
262			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
263			break;
264			case ::gig::lfo1_ctrl_internal_breath:
265			lfo1_internal_depth = pRegion->LFO1InternalDepth;
266			pLFO1->ExtController = 2; // MIDI controller 2
267			bLFO1Enabled = (lfo1_internal_depth > 0 \|\| pRegion->LFO1ControlDepth > 0);
268			break;
269			default:
270			lfo1_internal_depth = 0;
271			pLFO1->ExtController = 0; // no external controller
272			bLFO1Enabled = false;
273	schoenebeck	53	}
274	iliev	2015	if (bLFO1Enabled) {
275			pLFO1->trigger(pRegion->LFO1Frequency,
276			start_level_min,
277			lfo1_internal_depth,
278			pRegion->LFO1ControlDepth,
279			pRegion->LFO1FlipPhase,
280			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
281			pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
282	schoenebeck	53	}
283	iliev	2015	}
284	schoenebeck	53
285	iliev	2015	void Voice::InitLFO2() {
286			uint16_t lfo2_internal_depth;
287			switch (pRegion->LFO2Controller) {
288			case ::gig::lfo2_ctrl_internal:
289			lfo2_internal_depth = pRegion->LFO2InternalDepth;
290			pLFO2->ExtController = 0; // no external controller
291			bLFO2Enabled = (lfo2_internal_depth > 0);
292			break;
293			case ::gig::lfo2_ctrl_modwheel:
294			lfo2_internal_depth = 0;
295			pLFO2->ExtController = 1; // MIDI controller 1
296			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
297			break;
298			case ::gig::lfo2_ctrl_foot:
299			lfo2_internal_depth = 0;
300			pLFO2->ExtController = 4; // MIDI controller 4
301			bLFO2Enabled = (pRegion->LFO2ControlDepth > 0);
302			break;
303			case ::gig::lfo2_ctrl_internal_modwheel:
304			lfo2_internal_depth = pRegion->LFO2InternalDepth;
305			pLFO2->ExtController = 1; // MIDI controller 1
306			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
307			break;
308			case ::gig::lfo2_ctrl_internal_foot:
309			lfo2_internal_depth = pRegion->LFO2InternalDepth;
310			pLFO2->ExtController = 4; // MIDI controller 4
311			bLFO2Enabled = (lfo2_internal_depth > 0 \|\| pRegion->LFO2ControlDepth > 0);
312			break;
313			default:
314			lfo2_internal_depth = 0;
315			pLFO2->ExtController = 0; // no external controller
316			bLFO2Enabled = false;
317	schoenebeck	53	}
318	iliev	2015	if (bLFO2Enabled) {
319			pLFO2->trigger(pRegion->LFO2Frequency,
320			start_level_max,
321			lfo2_internal_depth,
322			pRegion->LFO2ControlDepth,
323			pRegion->LFO2FlipPhase,
324			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
325			pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
326	schoenebeck	53	}
327			}
328
329	iliev	2015	void Voice::InitLFO3() {
330			uint16_t lfo3_internal_depth;
331			switch (pRegion->LFO3Controller) {
332			case ::gig::lfo3_ctrl_internal:
333			lfo3_internal_depth = pRegion->LFO3InternalDepth;
334			pLFO3->ExtController = 0; // no external controller
335			bLFO3Enabled = (lfo3_internal_depth > 0);
336	schoenebeck	53	break;
337	iliev	2015	case ::gig::lfo3_ctrl_modwheel:
338			lfo3_internal_depth = 0;
339			pLFO3->ExtController = 1; // MIDI controller 1
340			bLFO3Enabled = (pRegion->LFO3ControlDepth > 0);
341	schoenebeck	53	break;
342	iliev	2015	case ::gig::lfo3_ctrl_aftertouch:
343			lfo3_internal_depth = 0;
344	schoenebeck	3017	pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
345	iliev	2015	bLFO3Enabled = true;
346	schoenebeck	53	break;
347	iliev	2015	case ::gig::lfo3_ctrl_internal_modwheel:
348			lfo3_internal_depth = pRegion->LFO3InternalDepth;
349			pLFO3->ExtController = 1; // MIDI controller 1
350			bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
351			break;
352			case ::gig::lfo3_ctrl_internal_aftertouch:
353			lfo3_internal_depth = pRegion->LFO3InternalDepth;
354	schoenebeck	3017	pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
355	iliev	2015	bLFO3Enabled = (lfo3_internal_depth > 0 \|\| pRegion->LFO3ControlDepth > 0);
356			break;
357			default:
358			lfo3_internal_depth = 0;
359			pLFO3->ExtController = 0; // no external controller
360			bLFO3Enabled = false;
361	schoenebeck	53	}
362	iliev	2015	if (bLFO3Enabled) {
363			pLFO3->trigger(pRegion->LFO3Frequency,
364			start_level_mid,
365			lfo3_internal_depth,
366			pRegion->LFO3ControlDepth,
367			false,
368			pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
369			pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
370	schoenebeck	738	}
371			}
372	persson	2055
373	iliev	2015	float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
374			float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
375			if (pRegion->VCFKeyboardTracking) {
376	schoenebeck	2879	cutoff = RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) 100);
377	schoenebeck	53	}
378	iliev	2015	return cutoff;
379	schoenebeck	738	}
380	schoenebeck	53
381	iliev	2015	float Voice::CalculateFinalCutoff(float cutoffBase) {
382			int cvalue;
383			if (VCFCutoffCtrl.controller) {
384			cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
385			if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
386			// VCFVelocityScale in this case means Minimum cutoff
387			if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
388	schoenebeck	53	}
389	iliev	2015	else {
390			cvalue = pRegion->VCFCutoff;
391	persson	1748	}
392	iliev	2015	float fco = cutoffBase * float(cvalue);
393			if (fco > 127.0f) fco = 127.0f;
394	persson	796
395	iliev	2015	return fco;
396			}
397	persson	768
398	iliev	2015	uint8_t Voice::GetVCFCutoffCtrl() {
399			uint8_t ctrl;
400			switch (pRegion->VCFCutoffController) {
401			case ::gig::vcf_cutoff_ctrl_modwheel:
402			ctrl = 1;
403			break;
404			case ::gig::vcf_cutoff_ctrl_effect1:
405			ctrl = 12;
406			break;
407			case ::gig::vcf_cutoff_ctrl_effect2:
408			ctrl = 13;
409			break;
410			case ::gig::vcf_cutoff_ctrl_breath:
411			ctrl = 2;
412			break;
413			case ::gig::vcf_cutoff_ctrl_foot:
414			ctrl = 4;
415			break;
416			case ::gig::vcf_cutoff_ctrl_sustainpedal:
417			ctrl = 64;
418			break;
419			case ::gig::vcf_cutoff_ctrl_softpedal:
420			ctrl = 67;
421			break;
422			case ::gig::vcf_cutoff_ctrl_genpurpose7:
423			ctrl = 82;
424			break;
425			case ::gig::vcf_cutoff_ctrl_genpurpose8:
426			ctrl = 83;
427			break;
428			case ::gig::vcf_cutoff_ctrl_aftertouch:
429	schoenebeck	3017	ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
430	iliev	2015	break;
431			case ::gig::vcf_cutoff_ctrl_none:
432			default:
433			ctrl = 0;
434			break;
435	schoenebeck	53	}
436
437	iliev	2015	return ctrl;
438	schoenebeck	829	}
439
440	iliev	2015	uint8_t Voice::GetVCFResonanceCtrl() {
441			uint8_t ctrl;
442			switch (pRegion->VCFResonanceController) {
443			case ::gig::vcf_res_ctrl_genpurpose3:
444			ctrl = 18;
445			break;
446			case ::gig::vcf_res_ctrl_genpurpose4:
447			ctrl = 19;
448			break;
449			case ::gig::vcf_res_ctrl_genpurpose5:
450			ctrl = 80;
451			break;
452			case ::gig::vcf_res_ctrl_genpurpose6:
453			ctrl = 81;
454			break;
455			case ::gig::vcf_res_ctrl_none:
456			default:
457			ctrl = 0;
458	schoenebeck	53	}
459
460	iliev	2015	return ctrl;
461	schoenebeck	239	}
462
463	persson	2055	void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
464	persson	2203	EG1.trigger(pRegion->EG1PreAttack,
465	persson	2408	RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
466	persson	2203	pRegion->EG1Hold,
467			pRegion->EG1Decay1 * egInfo.Decay * velrelease,
468			pRegion->EG1Decay2 * egInfo.Decay * velrelease,
469			pRegion->EG1InfiniteSustain,
470			pRegion->EG1Sustain,
471	persson	2408	RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
472	persson	2055	velocityAttenuation,
473			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
474			}
475	persson	2114
476	persson	2175	void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
477			EG2.trigger(uint(RgnInfo.EG2PreAttack),
478			RgnInfo.EG2Attack * egInfo.Attack,
479			false,
480			RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
481			RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
482			RgnInfo.EG2InfiniteSustain,
483			uint(RgnInfo.EG2Sustain),
484			RgnInfo.EG2Release * egInfo.Release * velrelease,
485			velocityAttenuation,
486			sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
487			}
488
489	persson	2114	void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
490	persson	2837	dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
491	persson	2114
492			// TODO: The SustainPedal condition could be wrong, maybe the
493			// check should be if this Voice is in release stage or is a
494			// release sample instead. Need to test this in GSt.
495	schoenebeck	2396	// -- Andreas
496			//
497			// Commented sustain pedal check out. I don't think voices of the same
498			// note should be stopped at all, because it doesn't sound naturally
499			// with a drumkit.
500			// -- Christian, 2013-01-08
501	schoenebeck	2879	if (itEvent->Param.Note.Key != HostKey() /*\|\|
502	schoenebeck	2396	!GetGigEngineChannel()->SustainPedal*/) {
503	persson	2837	dmsg(4,("Voice %p - kill", (void*)this));
504	persson	2114
505			// kill the voice fast
506			pEG1->enterFadeOutStage();
507			}
508			}
509
510	persson	2327	void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
511			EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
512			}
513
514	persson	2382	int Voice::CalculatePan(uint8_t pan) {
515			int p;
516			// Gst behaviour: -64 and 63 are special cases
517			if (RgnInfo.Pan == -64) p = pan * 2 - 127;
518			else if (RgnInfo.Pan == 63) p = pan * 2;
519			else p = pan + RgnInfo.Pan;
520
521			if (p < 0) return 0;
522			if (p > 127) return 127;
523			return p;
524			}
525
526	schoenebeck	53	}} // namespace LinuxSampler::gig