/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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revision 796 by persson, Sun Oct 30 08:35:13 2005 UTC revision 3628 by schoenebeck, Sat Oct 5 14:37:31 2019 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 Christian Schoenebeck                              *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7     *   Copyright (C) 2009 Christian Schoenebeck and Grigor Iliev             *
8     *   Copyright (C) 2010 - 2017 Christian Schoenebeck and Andreas Persson   *
9   *                                                                         *   *                                                                         *
10   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
11   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 24  Line 26 
26  #include "../../common/Features.h"  #include "../../common/Features.h"
27  #include "Synthesizer.h"  #include "Synthesizer.h"
28  #include "Profiler.h"  #include "Profiler.h"
29    #include "Engine.h"
30    #include "EngineChannel.h"
31    
32  #include "Voice.h"  #include "Voice.h"
33    
34  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
35    
36      const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff());      // sanity checks: fromGigLfoWave() assumes equally mapped enums
37        static_assert(int64_t(::gig::lfo_wave_sine) == int64_t(LFO::wave_sine),
38      float Voice::CalculateFilterCutoffCoeff() {                    "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
39          return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN);      static_assert(int64_t(::gig::lfo_wave_triangle) == int64_t(LFO::wave_triangle),
40                      "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
41        static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw),
42                      "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
43        static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square),
44                      "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
45    
46        // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
47        inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
48            // simply assuming equally mapped enums on both sides
49            return static_cast<LFO::wave_t>(wave);
50      }      }
51    
52      Voice::Voice() {      Voice::Voice() {
53          pEngine     = NULL;          pEngine = NULL;
54          pDiskThread = NULL;          pEG1 = &EG1;
55          PlaybackState = playback_state_end;          pEG2 = &EG2;
         pLFO1 = new LFOUnsigned(1.0f);  // amplitude EG (0..1 range)  
         pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)  
         pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)  
         KeyGroup = 0;  
         SynthesisMode = 0; // set all mode bits to 0 first  
         // select synthesis implementation (currently either pure C++ or MMX+SSE(1))  
         #if CONFIG_ASM && ARCH_X86  
         SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());  
         #else  
         SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);  
         #endif  
         SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, Profiler::isEnabled());  
   
         finalSynthesisParameters.filterLeft.Reset();  
         finalSynthesisParameters.filterRight.Reset();  
56      }      }
57    
58      Voice::~Voice() {      Voice::~Voice() {
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
59      }      }
60    
61      void Voice::SetEngine(Engine* pEngine) {      EngineChannel* Voice::GetGigEngineChannel() {
62          this->pEngine     = pEngine;          return static_cast<EngineChannel*>(pEngineChannel);
63          this->pDiskThread = pEngine->pDiskThread;      }
64    
65        void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
66            Engine* engine = static_cast<Engine*>(pEngine);
67            this->pEngine     = engine;
68            this->pDiskThread = engine->pDiskThread;
69          dmsg(6,("Voice::SetEngine()\n"));          dmsg(6,("Voice::SetEngine()\n"));
70      }      }
71    
72      /**      Voice::SampleInfo Voice::GetSampleInfo() {
73       *  Initializes and triggers the voice, a disk stream will be launched if          SampleInfo si;
74       *  needed.          si.SampleRate       = pSample->SamplesPerSecond;
75       *          si.ChannelCount     = pSample->Channels;
76       *  @param pEngineChannel - engine channel on which this voice was ordered          si.FrameSize        = pSample->FrameSize;
77       *  @param itNoteOnEvent  - event that caused triggering of this voice          si.BitDepth         = pSample->BitDepth;
78       *  @param PitchBend      - MIDI detune factor (-8192 ... +8191)          si.TotalFrameCount  = (uint)pSample->SamplesTotal;
      *  @param pDimRgn        - points to the dimension region which provides sample wave(s) and articulation data  
      *  @param VoiceType      - type of this voice  
      *  @param iKeyGroup      - a value > 0 defines a key group in which this voice is member of  
      *  @returns 0 on success, a value < 0 if the voice wasn't triggered  
      *           (either due to an error or e.g. because no region is  
      *           defined for the given key)  
      */  
     int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) {  
         this->pEngineChannel = pEngineChannel;  
         this->pDimRgn        = pDimRgn;  
   
         #if CONFIG_DEVMODE  
         if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging  
             dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));  
         }  
         #endif // CONFIG_DEVMODE  
   
         Type            = VoiceType;  
         MIDIKey         = itNoteOnEvent->Param.Note.Key;  
         PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet  
         Delay           = itNoteOnEvent->FragmentPos();  
         itTriggerEvent  = itNoteOnEvent;  
         itKillEvent     = Pool<Event>::Iterator();  
         KeyGroup        = iKeyGroup;  
         pSample         = pDimRgn->pSample; // sample won't change until the voice is finished  
   
         // calculate volume  
         const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);  
   
         Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)  
   
         Volume *= pDimRgn->SampleAttenuation;  
   
         // the volume of release triggered samples depends on note length  
         if (Type == type_release_trigger) {  
             float noteLength = float(pEngine->FrameTime + Delay -  
                                      pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate;  
             float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength;  
             if (attenuation <= 0) return -1;  
             Volume *= attenuation;  
         }  
79    
80          // select channel mode (mono or stereo)          si.HasLoops       = pRegion->SampleLoops;
81          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
82            si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
83            si.LoopPlayCount  = pSample->LoopPlayCount;
84            si.Unpitched      = !pRegion->PitchTrack;
85    
86          // get starting crossfade volume level          return si;
87          switch (pDimRgn->AttenuationController.type) {      }
             case ::gig::attenuation_ctrl_t::type_channelaftertouch:  
                 CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet  
                 break;  
             case ::gig::attenuation_ctrl_t::type_velocity:  
                 CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity);  
                 break;  
             case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate  
                 CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]);  
                 break;  
             case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined  
             default:  
                 CrossfadeVolume = 1.0f;  
         }  
   
         PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;  
         PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;  
88    
89          finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)      Voice::RegionInfo Voice::GetRegionInfo() {
90          Pos = pDimRgn->SampleStartOffset;          RegionInfo ri;
91            ri.UnityNote = pRegion->UnityNote;
92            ri.FineTune  = pRegion->FineTune;
93            ri.Pan       = pRegion->Pan;
94            ri.SampleStartOffset = pRegion->SampleStartOffset;
95    
96          // Check if the sample needs disk streaming or is too short for that          ri.EG2PreAttack        = pRegion->EG2PreAttack;
97          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;          ri.EG2Attack           = pRegion->EG2Attack;
98          DiskVoice          = cachedsamples < pSample->SamplesTotal;          ri.EG2Decay1           = pRegion->EG2Decay1;
99            ri.EG2Decay2           = pRegion->EG2Decay2;
100          if (DiskVoice) { // voice to be streamed from disk          ri.EG2Sustain          = pRegion->EG2Sustain;
101              MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / pSample->Channels; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK)          ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
102            ri.EG2Release          = pRegion->EG2Release;
             // check if there's a loop defined which completely fits into the cached (RAM) part of the sample  
             if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) {  
                 RAMLoop            = true;  
                 loop.uiTotalCycles = pSample->LoopPlayCount;  
                 loop.uiCyclesLeft  = pSample->LoopPlayCount;  
                 loop.uiStart       = pSample->LoopStart;  
                 loop.uiEnd         = pSample->LoopEnd;  
                 loop.uiSize        = pSample->LoopSize;  
             }  
             else RAMLoop = false;  
103    
104              if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) {          ri.EG3Attack     = pRegion->EG3Attack;
105                  dmsg(1,("Disk stream order failed!\n"));          ri.EG3Depth      = pRegion->EG3Depth;
106                  KillImmediately();          ri.VCFEnabled    = pRegion->VCFEnabled;
107                  return -1;          ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
108              }          ri.VCFResonance  = pRegion->VCFResonance;
             dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no"));  
         }  
         else { // RAM only voice  
             MaxRAMPos = cachedsamples;  
             if (pSample->Loops) {  
                 RAMLoop           = true;  
                 loop.uiCyclesLeft = pSample->LoopPlayCount;  
             }  
             else RAMLoop = false;  
             dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));  
         }  
109    
110            ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
111    
112          // calculate initial pitch value          return ri;
113          {      }
             double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];  
             if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;  
             this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate));  
             this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents  
         }  
   
         // the length of the decay and release curves are dependent on the velocity  
         const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);  
   
         // setup EG 1 (VCA EG)  
         {  
             // get current value of EG1 controller  
             double eg1controllervalue;  
             switch (pDimRgn->EG1Controller.type) {  
                 case ::gig::eg1_ctrl_t::type_none: // no controller defined  
                     eg1controllervalue = 0;  
                     break;  
                 case ::gig::eg1_ctrl_t::type_channelaftertouch:  
                     eg1controllervalue = 0; // TODO: aftertouch not yet supported  
                     break;  
                 case ::gig::eg1_ctrl_t::type_velocity:  
                     eg1controllervalue = itNoteOnEvent->Param.Note.Velocity;  
                     break;  
                 case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller  
                     eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number];  
                     break;  
             }  
             if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;  
114    
115              // calculate influence of EG1 controller on EG1's parameters      Voice::InstrumentInfo Voice::GetInstrumentInfo() {
116              // (eg1attack is different from the others)          InstrumentInfo ii;
117              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?          ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
118                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?          ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
                                       1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;  
             double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;  
             double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0;  
   
             EG1.trigger(pDimRgn->EG1PreAttack,  
                         pDimRgn->EG1Attack * eg1attack,  
                         pDimRgn->EG1Hold,  
                         pDimRgn->EG1Decay1 * eg1decay * velrelease,  
                         pDimRgn->EG1Decay2 * eg1decay * velrelease,  
                         pDimRgn->EG1InfiniteSustain,  
                         pDimRgn->EG1Sustain,  
                         pDimRgn->EG1Release * eg1release * velrelease,  
                         velocityAttenuation,  
                         pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
         }  
119    
120            return ii;
121        }
122    
123          // setup EG 2 (VCF Cutoff EG)      double Voice::GetSampleAttenuation() {
124          {          return pRegion->SampleAttenuation;
125              // get current value of EG2 controller      }
             double eg2controllervalue;  
             switch (pDimRgn->EG2Controller.type) {  
                 case ::gig::eg2_ctrl_t::type_none: // no controller defined  
                     eg2controllervalue = 0;  
                     break;  
                 case ::gig::eg2_ctrl_t::type_channelaftertouch:  
                     eg2controllervalue = 0; // TODO: aftertouch not yet supported  
                     break;  
                 case ::gig::eg2_ctrl_t::type_velocity:  
                     eg2controllervalue = itNoteOnEvent->Param.Note.Velocity;  
                     break;  
                 case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller  
                     eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number];  
                     break;  
             }  
             if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;  
126    
127              // calculate influence of EG2 controller on EG2's parameters      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
128              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
129              double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 1.0;      }
             double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0;  
   
             EG2.trigger(pDimRgn->EG2PreAttack,  
                         pDimRgn->EG2Attack * eg2attack,  
                         false,  
                         pDimRgn->EG2Decay1 * eg2decay * velrelease,  
                         pDimRgn->EG2Decay2 * eg2decay * velrelease,  
                         pDimRgn->EG2InfiniteSustain,  
                         pDimRgn->EG2Sustain,  
                         pDimRgn->EG2Release * eg2release * velrelease,  
                         velocityAttenuation,  
                         pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
         }  
130    
131        double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
132            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
133        }
134    
135          // setup EG 3 (VCO EG)      void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
136          {          if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
137            double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
138            EG3.trigger(eg3depth, pDimRgn->EG3Attack, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
139                    CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
140                }
141          }          }
142        }
143    
144        void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
145          // setup LFO 1 (VCA LFO)          if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
146          {              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
147              uint16_t lfo1_internal_depth;                  CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
             switch (pDimRgn->LFO1Controller) {  
                 case ::gig::lfo1_ctrl_internal:  
                     lfo1_internal_depth  = pDimRgn->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         = (pDimRgn->LFO1ControlDepth > 0);  
                     break;  
                 case ::gig::lfo1_ctrl_breath:  
                     lfo1_internal_depth  = 0;  
                     pLFO1->ExtController = 2; // MIDI controller 2  
                     bLFO1Enabled         = (pDimRgn->LFO1ControlDepth > 0);  
                     break;  
                 case ::gig::lfo1_ctrl_internal_modwheel:  
                     lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;  
                     pLFO1->ExtController = 1; // MIDI controller 1  
                     bLFO1Enabled         = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0);  
                     break;  
                 case ::gig::lfo1_ctrl_internal_breath:  
                     lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;  
                     pLFO1->ExtController = 2; // MIDI controller 2  
                     bLFO1Enabled         = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0);  
                     break;  
                 default:  
                     lfo1_internal_depth  = 0;  
                     pLFO1->ExtController = 0; // no external controller  
                     bLFO1Enabled         = false;  
148              }              }
             if (bLFO1Enabled) pLFO1->trigger(pDimRgn->LFO1Frequency,  
                                              start_level_max,  
                                              lfo1_internal_depth,  
                                              pDimRgn->LFO1ControlDepth,  
                                              pDimRgn->LFO1FlipPhase,  
                                              pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
149          }          }
150        }
151    
152        void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
153            // Not used so far
154        }
155    
156          // setup LFO 2 (VCF Cutoff LFO)      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
157          {          int ccvalue = itEvent->Param.CC.Value;
158              uint16_t lfo2_internal_depth;          if (VCFCutoffCtrl.value == ccvalue) return;
159              switch (pDimRgn->LFO2Controller) {          VCFCutoffCtrl.value = ccvalue;
160                  case ::gig::lfo2_ctrl_internal:          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
161                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
162                      pLFO2->ExtController = 0; // no external controller          float cutoff = CutoffBase * float(ccvalue);
163                      bLFO2Enabled         = (lfo2_internal_depth > 0);          if (cutoff > 127.0f) cutoff = 127.0f;
                     break;  
                 case ::gig::lfo2_ctrl_modwheel:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 1; // MIDI controller 1  
                     bLFO2Enabled         = (pDimRgn->LFO2ControlDepth > 0);  
                     break;  
                 case ::gig::lfo2_ctrl_foot:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 4; // MIDI controller 4  
                     bLFO2Enabled         = (pDimRgn->LFO2ControlDepth > 0);  
                     break;  
                 case ::gig::lfo2_ctrl_internal_modwheel:  
                     lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;  
                     pLFO2->ExtController = 1; // MIDI controller 1  
                     bLFO2Enabled         = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0);  
                     break;  
                 case ::gig::lfo2_ctrl_internal_foot:  
                     lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;  
                     pLFO2->ExtController = 4; // MIDI controller 4  
                     bLFO2Enabled         = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0);  
                     break;  
                 default:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 0; // no external controller  
                     bLFO2Enabled         = false;  
             }  
             if (bLFO2Enabled) pLFO2->trigger(pDimRgn->LFO2Frequency,  
                                              start_level_max,  
                                              lfo2_internal_depth,  
                                              pDimRgn->LFO2ControlDepth,  
                                              pDimRgn->LFO2FlipPhase,  
                                              pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
         }  
164    
165            VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
166            fFinalCutoff = cutoff;
167        }
168    
169          // setup LFO 3 (VCO LFO)      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
170          {          float crossfadeVolume;
171              uint16_t lfo3_internal_depth;          switch (pRegion->AttenuationController.type) {
172              switch (pDimRgn->LFO3Controller) {              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
173                  case ::gig::lfo3_ctrl_internal:                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
174                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                  break;
175                      pLFO3->ExtController = 0; // no external controller              case ::gig::attenuation_ctrl_t::type_velocity:
176                      bLFO3Enabled         = (lfo3_internal_depth > 0);                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
177                      break;                  break;
178                  case ::gig::lfo3_ctrl_modwheel:              case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
179                      lfo3_internal_depth  = 0;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
180                      pLFO3->ExtController = 1; // MIDI controller 1                  break;
181                      bLFO3Enabled         = (pDimRgn->LFO3ControlDepth > 0);              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
182                      break;              default:
183                  case ::gig::lfo3_ctrl_aftertouch:                  crossfadeVolume = 1.0f;
                     lfo3_internal_depth  = 0;  
                     pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet  
                     bLFO3Enabled         = false; // see TODO comment in line above  
                     break;  
                 case ::gig::lfo3_ctrl_internal_modwheel:  
                     lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;  
                     pLFO3->ExtController = 1; // MIDI controller 1  
                     bLFO3Enabled         = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0);  
                     break;  
                 case ::gig::lfo3_ctrl_internal_aftertouch:  
                     lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;  
                     pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet  
                     bLFO3Enabled         = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above  
                     break;  
                 default:  
                     lfo3_internal_depth  = 0;  
                     pLFO3->ExtController = 0; // no external controller  
                     bLFO3Enabled         = false;  
             }  
             if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency,  
                                              start_level_mid,  
                                              lfo3_internal_depth,  
                                              pDimRgn->LFO3ControlDepth,  
                                              false,  
                                              pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
184          }          }
185    
186            return crossfadeVolume;
187        }
188    
189          #if CONFIG_FORCE_FILTER      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
190          const bool bUseFilter = true;          double eg1controllervalue = 0;
191          #else // use filter only if instrument file told so          switch (pRegion->EG1Controller.type) {
192          const bool bUseFilter = pDimRgn->VCFEnabled;              case ::gig::eg1_ctrl_t::type_none: // no controller defined
193          #endif // CONFIG_FORCE_FILTER                  eg1controllervalue = 0;
194          SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter);                  break;
195          if (bUseFilter) {              case ::gig::eg1_ctrl_t::type_channelaftertouch:
196              #ifdef CONFIG_OVERRIDE_CUTOFF_CTRL                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
197              VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL;                  break;
198              #else // use the one defined in the instrument file              case ::gig::eg1_ctrl_t::type_velocity:
199              switch (pDimRgn->VCFCutoffController) {                  eg1controllervalue = MIDIKeyVelocity;
200                  case ::gig::vcf_cutoff_ctrl_modwheel:                  break;
201                      VCFCutoffCtrl.controller = 1;              case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
202                      break;                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
203                  case ::gig::vcf_cutoff_ctrl_effect1:                  break;
204                      VCFCutoffCtrl.controller = 12;          }
205                      break;          if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
                 case ::gig::vcf_cutoff_ctrl_effect2:  
                     VCFCutoffCtrl.controller = 13;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_breath:  
                     VCFCutoffCtrl.controller = 2;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_foot:  
                     VCFCutoffCtrl.controller = 4;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_sustainpedal:  
                     VCFCutoffCtrl.controller = 64;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_softpedal:  
                     VCFCutoffCtrl.controller = 67;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_genpurpose7:  
                     VCFCutoffCtrl.controller = 82;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_genpurpose8:  
                     VCFCutoffCtrl.controller = 83;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_aftertouch: //TODO: not implemented yet  
                 case ::gig::vcf_cutoff_ctrl_none:  
                 default:  
                     VCFCutoffCtrl.controller = 0;  
                     break;  
             }  
             #endif // CONFIG_OVERRIDE_CUTOFF_CTRL  
   
             #ifdef CONFIG_OVERRIDE_RESONANCE_CTRL  
             VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL;  
             #else // use the one defined in the instrument file  
             switch (pDimRgn->VCFResonanceController) {  
                 case ::gig::vcf_res_ctrl_genpurpose3:  
                     VCFResonanceCtrl.controller = 18;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose4:  
                     VCFResonanceCtrl.controller = 19;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose5:  
                     VCFResonanceCtrl.controller = 80;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose6:  
                     VCFResonanceCtrl.controller = 81;  
                     break;  
                 case ::gig::vcf_res_ctrl_none:  
                 default:  
                     VCFResonanceCtrl.controller = 0;  
             }  
             #endif // CONFIG_OVERRIDE_RESONANCE_CTRL  
206    
207              #ifndef CONFIG_OVERRIDE_FILTER_TYPE          return eg1controllervalue;
208              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);      }
             finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType);  
             #else // override filter type  
             FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE);  
             FilterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE);  
             #endif // CONFIG_OVERRIDE_FILTER_TYPE  
   
             VCFCutoffCtrl.value    = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];  
             VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller];  
   
             // calculate cutoff frequency  
             float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity);  
             if (pDimRgn->VCFKeyboardTracking) {  
                 cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)  
             }  
             CutoffBase = cutoff;  
209    
210              int cvalue;      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
211              if (VCFCutoffCtrl.controller) {          EGInfo eg;
212                  cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];          // (eg1attack is different from the others)
213                  if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
214                  // VCFVelocityScale in this case means Minimum cutoff              (pRegion->EG1ControllerAttackInfluence == 0 ||
215                  if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;               eg1ControllerValue <= 10)) { // strange GSt special case
216              }              eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
217              else {          } else {
218                  cvalue = pDimRgn->VCFCutoff;              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
219              }                  1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
220              cutoff *= float(cvalue) * 0.00787402f; // (1 / 127)                                        1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
221              if (cutoff > 1.0) cutoff = 1.0;          }
222              cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449);          eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
223              if (cutoff < 1.0) cutoff = 1.0;          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
224    
225            return eg;
226        }
227    
228        double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
229            double eg2controllervalue = 0;
230            switch (pRegion->EG2Controller.type) {
231                case ::gig::eg2_ctrl_t::type_none: // no controller defined
232                    eg2controllervalue = 0;
233                    break;
234                case ::gig::eg2_ctrl_t::type_channelaftertouch:
235                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
236                    break;
237                case ::gig::eg2_ctrl_t::type_velocity:
238                    eg2controllervalue = MIDIKeyVelocity;
239                    break;
240                case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
241                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
242                    break;
243            }
244            if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
245    
246              // calculate resonance          return eg2controllervalue;
247              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance) * 0.00787f; // 0.0..1.0      }
248    
249              VCFCutoffCtrl.fvalue    = cutoff - 1.0;      Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
250              VCFResonanceCtrl.fvalue = resonance;          EGInfo eg;
251          }          eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
252          else {          eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
253              VCFCutoffCtrl.controller    = 0;          eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
             VCFResonanceCtrl.controller = 0;  
         }  
254    
255          return 0; // success          return eg;
256      }      }
257    
258      /**      void Voice::InitLFO1() {
259       *  Renders the audio data for this voice for the current audio fragment.          uint16_t lfo1_internal_depth;
260       *  The sample input data can either come from RAM (cached sample or sample          switch (pRegion->LFO1Controller) {
261       *  part) or directly from disk. The output signal will be rendered by              case ::gig::lfo1_ctrl_internal:
262       *  resampling / interpolation. If this voice is a disk streaming voice and                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
263       *  the voice completely played back the cached RAM part of the sample, it                  pLFO1->ExtController = 0; // no external controller
264       *  will automatically switch to disk playback for the next RenderAudio()                  bLFO1Enabled         = (lfo1_internal_depth > 0);
265       *  call.                  break;
266       *              case ::gig::lfo1_ctrl_modwheel:
267       *  @param Samples - number of samples to be rendered in this audio fragment cycle                  lfo1_internal_depth  = 0;
268       */                  pLFO1->ExtController = 1; // MIDI controller 1
269      void Voice::Render(uint Samples) {                  bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
270                    break;
271          // select default values for synthesis mode bits              case ::gig::lfo1_ctrl_breath:
272          SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);                  lfo1_internal_depth  = 0;
273                    pLFO1->ExtController = 2; // MIDI controller 2
274          switch (this->PlaybackState) {                  bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
275                    break;
276              case playback_state_init:              case ::gig::lfo1_ctrl_internal_modwheel:
277                  this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
278                  // no break - continue with playback_state_ram                  pLFO1->ExtController = 1; // MIDI controller 1
279                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
280              case playback_state_ram: {                  break;
281                      if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping              case ::gig::lfo1_ctrl_internal_breath:
282                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
283                      // render current fragment                  pLFO1->ExtController = 2; // MIDI controller 2
284                      Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay);                  bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
285                    break;
286                      if (DiskVoice) {              default:
287                          // check if we reached the allowed limit of the sample RAM cache                  lfo1_internal_depth  = 0;
288                          if (finalSynthesisParameters.dPos > MaxRAMPos) {                  pLFO1->ExtController = 0; // no external controller
289                              dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", finalSynthesisParameters.dPos));                  bLFO1Enabled         = false;
290                              this->PlaybackState = playback_state_disk;          }
291                          }          if (bLFO1Enabled) {
292                      } else if (finalSynthesisParameters.dPos >= pSample->GetCache().Size / pSample->FrameSize) {              pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
293                          this->PlaybackState = playback_state_end;                             pRegion->LFO1Frequency,
294                      }                             pRegion->LFO1Phase,
295                  }                             LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
296                  break;                             lfo1_internal_depth,
297                               pRegion->LFO1ControlDepth,
298              case playback_state_disk: {                             pRegion->LFO1FlipPhase,
299                      if (!DiskStreamRef.pStream) {                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
300                          // check if the disk thread created our ordered disk stream in the meantime              pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
301                          DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID);              pLFO1->setScriptDepthFactor(
302                          if (!DiskStreamRef.pStream) {                  pNote->Override.AmpLFODepth.Value,
303                              std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush;                  pNote->Override.AmpLFODepth.Final
304                              KillImmediately();              );
305                              return;              if (pNote->Override.AmpLFOFreq.isFinal())
306                          }                  pLFO1->setScriptFrequencyFinal(
307                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(finalSynthesisParameters.dPos) - MaxRAMPos));                      pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
308                          finalSynthesisParameters.dPos -= int(finalSynthesisParameters.dPos);                  );
309                          RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet              else
310                      }                  pLFO1->setScriptFrequencyFactor(
311                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
312                      const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();                  );
   
                     // add silence sample at the end if we reached the end of the stream (for the interpolator)  
                     if (DiskStreamRef.State == Stream::state_end) {  
                         const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm  
                         if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {  
                             // remember how many sample words there are before any silence has been added  
                             if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead;  
                             DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);  
                         }  
                     }  
   
                     sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from  
   
                     // render current audio fragment  
                     Synthesize(Samples, ptr, Delay);  
   
                     const int iPos = (int) finalSynthesisParameters.dPos;  
                     const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read  
                     DiskStreamRef.pStream->IncrementReadPos(readSampleWords);  
                     finalSynthesisParameters.dPos -= iPos; // just keep fractional part of playback position  
   
                     // change state of voice to 'end' if we really reached the end of the sample data  
                     if (RealSampleWordsLeftToRead >= 0) {  
                         RealSampleWordsLeftToRead -= readSampleWords;  
                         if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end;  
                     }  
                 }  
                 break;  
   
             case playback_state_end:  
                 std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush;  
                 break;  
         }  
   
         // Reset delay  
         Delay = 0;  
   
         itTriggerEvent = Pool<Event>::Iterator();  
   
         // If sample stream or release stage finished, kill the voice  
         if (PlaybackState == playback_state_end || EG1.getSegmentType() == EGADSR::segment_end) KillImmediately();  
     }  
   
     /**  
      *  Resets voice variables. Should only be called if rendering process is  
      *  suspended / not running.  
      */  
     void Voice::Reset() {  
         finalSynthesisParameters.filterLeft.Reset();  
         finalSynthesisParameters.filterRight.Reset();  
         DiskStreamRef.pStream = NULL;  
         DiskStreamRef.hStream = 0;  
         DiskStreamRef.State   = Stream::state_unused;  
         DiskStreamRef.OrderID = 0;  
         PlaybackState = playback_state_end;  
         itTriggerEvent = Pool<Event>::Iterator();  
         itKillEvent    = Pool<Event>::Iterator();  
     }  
   
     /**  
      * Process given list of MIDI note on, note off and sustain pedal events  
      * for the given time.  
      *  
      * @param itEvent - iterator pointing to the next event to be processed  
      * @param End     - youngest time stamp where processing should be stopped  
      */  
     void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) {  
         for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {  
             if (itEvent->Type == Event::type_release) {  
                 EG1.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 EG2.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             } else if (itEvent->Type == Event::type_cancel_release) {  
                 EG1.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 EG2.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             }  
313          }          }
314      }      }
315    
316      /**      void Voice::InitLFO2() {
317       * Process given list of MIDI control change and pitch bend events for          uint16_t lfo2_internal_depth;
318       * the given time.          switch (pRegion->LFO2Controller) {
319       *              case ::gig::lfo2_ctrl_internal:
320       * @param itEvent - iterator pointing to the next event to be processed                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
321       * @param End     - youngest time stamp where processing should be stopped                  pLFO2->ExtController = 0; // no external controller
322       */                  bLFO2Enabled         = (lfo2_internal_depth > 0);
323      void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {                  break;
324          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {              case ::gig::lfo2_ctrl_modwheel:
325              if (itEvent->Type == Event::type_control_change &&                  lfo2_internal_depth  = 0;
326                  itEvent->Param.CC.Controller) { // if (valid) MIDI control change event                  pLFO2->ExtController = 1; // MIDI controller 1
327                  if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
328                      processCutoffEvent(itEvent);                  break;
329                  }              case ::gig::lfo2_ctrl_foot:
330                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {                  lfo2_internal_depth  = 0;
331                      processResonanceEvent(itEvent);                  pLFO2->ExtController = 4; // MIDI controller 4
332                  }                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
333                  if (itEvent->Param.CC.Controller == pLFO1->ExtController) {                  break;
334                      pLFO1->update(itEvent->Param.CC.Value);              case ::gig::lfo2_ctrl_internal_modwheel:
335                  }                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
336                  if (itEvent->Param.CC.Controller == pLFO2->ExtController) {                  pLFO2->ExtController = 1; // MIDI controller 1
337                      pLFO2->update(itEvent->Param.CC.Value);                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
338                  }                  break;
339                  if (itEvent->Param.CC.Controller == pLFO3->ExtController) {              case ::gig::lfo2_ctrl_internal_foot:
340                      pLFO3->update(itEvent->Param.CC.Value);                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
341                  }                  pLFO2->ExtController = 4; // MIDI controller 4
342                  if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
343                      itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {                  break;
344                      processCrossFadeEvent(itEvent);              default:
345                  }                  lfo2_internal_depth  = 0;
346              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event                  pLFO2->ExtController = 0; // no external controller
347                  processPitchEvent(itEvent);                  bLFO2Enabled         = false;
348              }          }
349            if (bLFO2Enabled) {
350                pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
351                               pRegion->LFO2Frequency,
352                               pRegion->LFO2Phase,
353                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
354                               lfo2_internal_depth,
355                               pRegion->LFO2ControlDepth,
356                               pRegion->LFO2FlipPhase,
357                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
358                pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
359                pLFO2->setScriptDepthFactor(
360                    pNote->Override.CutoffLFODepth.Value,
361                    pNote->Override.CutoffLFODepth.Final
362                );
363                if (pNote->Override.CutoffLFOFreq.isFinal())
364                    pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
365                else
366                    pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
367          }          }
368      }      }
369    
370      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {      void Voice::InitLFO3() {
371          const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents          uint16_t lfo3_internal_depth;
372          finalSynthesisParameters.fFinalPitch *= pitch;          switch (pRegion->LFO3Controller) {
373          PitchBend = pitch;              case ::gig::lfo3_ctrl_internal:
374      }                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
375                    pLFO3->ExtController = 0; // no external controller
376      void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) {                  bLFO3Enabled         = (lfo3_internal_depth > 0);
377          CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value);                  break;
378          #if CONFIG_PROCESS_MUTED_CHANNELS              case ::gig::lfo3_ctrl_modwheel:
379          const float effectiveVolume = CrossfadeVolume * Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);                  lfo3_internal_depth  = 0;
380          #else                  pLFO3->ExtController = 1; // MIDI controller 1
381          const float effectiveVolume = CrossfadeVolume * Volume * pEngineChannel->GlobalVolume;                  bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
382          #endif                  break;
383          fFinalVolume = effectiveVolume;              case ::gig::lfo3_ctrl_aftertouch:
384                    lfo3_internal_depth  = 0;
385                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
386                    bLFO3Enabled         = true;
387                    break;
388                case ::gig::lfo3_ctrl_internal_modwheel:
389                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
390                    pLFO3->ExtController = 1; // MIDI controller 1
391                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
392                    break;
393                case ::gig::lfo3_ctrl_internal_aftertouch:
394                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
395                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
396                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
397                    break;
398                default:
399                    lfo3_internal_depth  = 0;
400                    pLFO3->ExtController = 0; // no external controller
401                    bLFO3Enabled         = false;
402            }
403            if (bLFO3Enabled) {
404                pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
405                               pRegion->LFO3Frequency,
406                               pRegion->LFO3Phase,
407                               LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
408                               lfo3_internal_depth,
409                               pRegion->LFO3ControlDepth,
410                               pRegion->LFO3FlipPhase,
411                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
412                pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
413                pLFO3->setScriptDepthFactor(
414                    pNote->Override.PitchLFODepth.Value,
415                    pNote->Override.PitchLFODepth.Final
416                );
417                if (pNote->Override.PitchLFOFreq.isFinal())
418                    pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
419                else
420                    pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
421            }
422      }      }
423    
424      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
425          int ccvalue = itEvent->Param.CC.Value;          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
426          if (VCFCutoffCtrl.value == ccvalue) return;          if (pRegion->VCFKeyboardTracking) {
427          VCFCutoffCtrl.value == ccvalue;              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
428          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          }
429          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;          return cutoff;
430          float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127)      }
431          if (cutoff > 1.0) cutoff = 1.0;  
432          cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449);      float Voice::CalculateFinalCutoff(float cutoffBase) {
433          if (cutoff < 1.0) cutoff = 1.0;          int cvalue;
434            if (VCFCutoffCtrl.controller) {
435                cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
436                if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
437                // VCFVelocityScale in this case means Minimum cutoff
438                if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
439            }
440            else {
441                cvalue = pRegion->VCFCutoff;
442            }
443            float fco = cutoffBase * float(cvalue);
444            if (fco > 127.0f) fco = 127.0f;
445    
446          VCFCutoffCtrl.fvalue = cutoff - 1.0; // needed for initialization of fFinalCutoff next time          return fco;
         fFinalCutoff = cutoff;  
447      }      }
448    
449      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      uint8_t Voice::GetVCFCutoffCtrl() {
450          // convert absolute controller value to differential          uint8_t ctrl;
451          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->VCFCutoffController) {
452          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::vcf_cutoff_ctrl_modwheel:
453          const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0                  ctrl = 1;
454          fFinalResonance += resonancedelta;                  break;
455          // needed for initialization of parameter              case ::gig::vcf_cutoff_ctrl_effect1:
456          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f;                  ctrl = 12;
457      }                  break;
458                case ::gig::vcf_cutoff_ctrl_effect2:
459      /**                  ctrl = 13;
460       *  Synthesizes the current audio fragment for this voice.                  break;
461       *              case ::gig::vcf_cutoff_ctrl_breath:
462       *  @param Samples - number of sample points to be rendered in this audio                  ctrl = 2;
463       *                   fragment cycle                  break;
464       *  @param pSrc    - pointer to input sample data              case ::gig::vcf_cutoff_ctrl_foot:
465       *  @param Skip    - number of sample points to skip in output buffer                  ctrl = 4;
466       */                  break;
467      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {              case ::gig::vcf_cutoff_ctrl_sustainpedal:
468          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pOutputLeft[Skip];                  ctrl = 64;
469          finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip];                  break;
470          finalSynthesisParameters.pSrc      = pSrc;              case ::gig::vcf_cutoff_ctrl_softpedal:
471                    ctrl = 67;
472          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();                  break;
473          RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();              case ::gig::vcf_cutoff_ctrl_genpurpose7:
474                    ctrl = 82;
475          if (Skip) { // skip events that happened before this voice was triggered                  break;
476              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;              case ::gig::vcf_cutoff_ctrl_genpurpose8:
477              while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;                  ctrl = 83;
478          }                  break;
479                case ::gig::vcf_cutoff_ctrl_aftertouch:
480          uint killPos;                  ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
481          if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos);                  break;
482                case ::gig::vcf_cutoff_ctrl_none:
483          uint i = Skip;              default:
484          while (i < Samples) {                  ctrl = 0;
485              int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);                  break;
486            }
             // initialize all final synthesis parameters  
             finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;  
             #if CONFIG_PROCESS_MUTED_CHANNELS  
             fFinalVolume = this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);  
             #else  
             fFinalVolume = this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume;  
             #endif  
             fFinalCutoff    = VCFCutoffCtrl.fvalue;  
             fFinalResonance = VCFResonanceCtrl.fvalue;  
   
             // process MIDI control change and pitchbend events for this subfragment  
             processCCEvents(itCCEvent, iSubFragmentEnd);  
   
             // process transition events (note on, note off & sustain pedal)  
             processTransitionEvents(itNoteEvent, iSubFragmentEnd);  
   
             // if the voice was killed in this subfragment switch EG1 to fade out stage  
             if (itKillEvent && killPos <= iSubFragmentEnd) {  
                 EG1.enterFadeOutStage();  
                 itKillEvent = Pool<Event>::Iterator();  
             }  
   
             // process envelope generators  
             switch (EG1.getSegmentType()) {  
                 case EGADSR::segment_lin:  
                     fFinalVolume *= EG1.processLin();  
                     break;  
                 case EGADSR::segment_exp:  
                     fFinalVolume *= EG1.processExp();  
                     break;  
                 case EGADSR::segment_end:  
                     fFinalVolume *= EG1.getLevel();  
                     break; // noop  
             }  
             switch (EG2.getSegmentType()) {  
                 case EGADSR::segment_lin:  
                     fFinalCutoff *= EG2.processLin();  
                     break;  
                 case EGADSR::segment_exp:  
                     fFinalCutoff *= EG2.processExp();  
                     break;  
                 case EGADSR::segment_end:  
                     fFinalCutoff *= EG2.getLevel();  
                     break; // noop  
             }  
             if (EG3.active()) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(EG3.render());  
   
             // process low frequency oscillators  
             if (bLFO1Enabled) fFinalVolume *= pLFO1->render();  
             if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();  
             if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());  
   
             // if filter enabled then update filter coefficients  
             if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {  
                 finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff + 1.0, fFinalResonance, pEngine->SampleRate);  
                 finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff + 1.0, fFinalResonance, pEngine->SampleRate);  
             }  
   
             // do we need resampling?  
             const float __PLUS_ONE_CENT  = 1.000577789506554859250142541782224725466f;  
             const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f;  
             const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT &&  
                                                finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT);  
             SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);  
   
             // prepare final synthesis parameters structure  
             finalSynthesisParameters.fFinalVolumeLeft  = fFinalVolume * PanLeft;  
             finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * PanRight;  
             finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;  
   
             // render audio for one subfragment  
             RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);  
   
             const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;  
   
             // increment envelopes' positions  
             if (EG1.active()) {  
   
                 // if sample has a loop and loop start has been reached in this subfragment, send a special event to EG1 to let it finish the attack hold stage  
                 if (pSample->Loops && Pos <= pSample->LoopStart && pSample->LoopStart < newPos) {  
                     EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 }  
487    
488                  EG1.increment(1);          return ctrl;
489                  if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);      }
             }  
             if (EG2.active()) {  
                 EG2.increment(1);  
                 if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             }  
             EG3.increment(1);  
             if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached  
490    
491              Pos = newPos;      uint8_t Voice::GetVCFResonanceCtrl() {
492              i = iSubFragmentEnd;          uint8_t ctrl;
493            switch (pRegion->VCFResonanceController) {
494                case ::gig::vcf_res_ctrl_genpurpose3:
495                    ctrl = 18;
496                    break;
497                case ::gig::vcf_res_ctrl_genpurpose4:
498                    ctrl = 19;
499                    break;
500                case ::gig::vcf_res_ctrl_genpurpose5:
501                    ctrl = 80;
502                    break;
503                case ::gig::vcf_res_ctrl_genpurpose6:
504                    ctrl = 81;
505                    break;
506                case ::gig::vcf_res_ctrl_none:
507                default:
508                    ctrl = 0;
509          }          }
     }  
510    
511      /**          return ctrl;
512       *  Immediately kill the voice. This method should not be used to kill      }
      *  a normal, active voice, because it doesn't take care of things like  
      *  fading down the volume level to avoid clicks and regular processing  
      *  until the kill event actually occured!  
      *  
      *  @see Kill()  
      */  
     void Voice::KillImmediately() {  
         if (DiskVoice && DiskStreamRef.State != Stream::state_unused) {  
             pDiskThread->OrderDeletionOfStream(&DiskStreamRef);  
         }  
         Reset();  
     }  
   
     /**  
      *  Kill the voice in regular sense. Let the voice render audio until  
      *  the kill event actually occured and then fade down the volume level  
      *  very quickly and let the voice die finally. Unlike a normal release  
      *  of a voice, a kill process cannot be cancalled and is therefore  
      *  usually used for voice stealing and key group conflicts.  
      *  
      *  @param itKillEvent - event which caused the voice to be killed  
      */  
     void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {  
         #if CONFIG_DEVMODE  
         if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));  
         if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));  
         #endif // CONFIG_DEVMODE  
513    
514          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
515          this->itKillEvent = itKillEvent;          EG1.setStateOptions(
516                pRegion->EG1Options.AttackCancel,
517                pRegion->EG1Options.AttackHoldCancel,
518                pRegion->EG1Options.Decay1Cancel,
519                pRegion->EG1Options.Decay2Cancel,
520                pRegion->EG1Options.ReleaseCancel
521            );
522            EG1.trigger(pRegion->EG1PreAttack,
523                        (pNote && pNote->Override.Attack.isFinal()) ?
524                            pNote->Override.Attack.Value :
525                            RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
526                        pRegion->EG1Hold,
527                        (pNote && pNote->Override.Decay.isFinal()) ?
528                            pNote->Override.Decay.Value :
529                            pRegion->EG1Decay1 * egInfo.Decay * velrelease,
530                        (pNote && pNote->Override.Decay.isFinal()) ?
531                            pNote->Override.Decay.Value :
532                            pRegion->EG1Decay2 * egInfo.Decay * velrelease,
533                        pRegion->EG1InfiniteSustain,
534                        (pNote && pNote->Override.Sustain.Final) ?
535                            uint(pNote->Override.Sustain.Value * 1000.f) :
536                            pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
537                        (pNote && pNote->Override.Release.isFinal()) ?
538                            pNote->Override.Release.Value :
539                            RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
540                        velocityAttenuation,
541                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
542        }
543    
544        void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
545            EG2.setStateOptions(
546                pRegion->EG2Options.AttackCancel,
547                pRegion->EG2Options.AttackHoldCancel,
548                pRegion->EG2Options.Decay1Cancel,
549                pRegion->EG2Options.Decay2Cancel,
550                pRegion->EG2Options.ReleaseCancel
551            );
552            EG2.trigger(uint(RgnInfo.EG2PreAttack),
553                        (pNote && pNote->Override.CutoffAttack.isFinal()) ?
554                            pNote->Override.CutoffAttack.Value :
555                            RgnInfo.EG2Attack * egInfo.Attack,
556                        false,
557                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
558                            pNote->Override.CutoffDecay.Value :
559                            RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
560                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
561                            pNote->Override.CutoffDecay.Value :
562                            RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
563                        RgnInfo.EG2InfiniteSustain,
564                        (pNote && pNote->Override.CutoffSustain.Final) ?
565                            uint(pNote->Override.CutoffSustain.Value * 1000.f) :
566                            uint(RgnInfo.EG2Sustain),
567                        (pNote && pNote->Override.CutoffRelease.isFinal()) ?
568                            pNote->Override.CutoffRelease.Value :
569                            RgnInfo.EG2Release * egInfo.Release * velrelease,
570                        velocityAttenuation,
571                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
572        }
573    
574        void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
575            dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
576    
577            // TODO: The SustainPedal condition could be wrong, maybe the
578            // check should be if this Voice is in release stage or is a
579            // release sample instead. Need to test this in GSt.
580            // -- Andreas
581            //
582            // Commented sustain pedal check out. I don't think voices of the same
583            // note should be stopped at all, because it doesn't sound naturally
584            // with a drumkit.
585            // -- Christian, 2013-01-08
586            if (itEvent->Param.Note.Key != HostKey() /*||
587                !GetGigEngineChannel()->SustainPedal*/) {
588                dmsg(4,("Voice %p - kill", (void*)this));
589    
590                // kill the voice fast
591                pEG1->enterFadeOutStage();
592            }
593        }
594    
595        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
596            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
597        }
598    
599        int Voice::CalculatePan(uint8_t pan) {
600            int p;
601            // Gst behaviour: -64 and 63 are special cases
602            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
603            else if (RgnInfo.Pan == 63) p = pan * 2;
604            else                        p = pan + RgnInfo.Pan;
605    
606            if (p < 0) return 0;
607            if (p > 127) return 127;
608            return p;
609        }
610    
611        release_trigger_t Voice::GetReleaseTriggerFlags() {
612            release_trigger_t flags =
613                (pRegion->NoNoteOffReleaseTrigger) ?
614                    release_trigger_none : release_trigger_noteoff; //HACK: currently this method is actually only called by EngineBase if it already knows that this voice requires release trigger, so I took the short way instead of checking (again) the existence of a ::gig::dimension_releasetrigger
615            switch (pRegion->SustainReleaseTrigger) {
616                case ::gig::sust_rel_trg_none:
617                    break;
618                case ::gig::sust_rel_trg_maxvelocity:
619                    flags |= release_trigger_sustain_maxvelocity;
620                    break;
621                case ::gig::sust_rel_trg_keyvelocity:
622                    flags |= release_trigger_sustain_keyvelocity;
623                    break;
624            }
625            return flags;
626      }      }
627    
628  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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