/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/Voice.cpp

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revision 368 by schoenebeck, Fri Feb 11 13:13:54 2005 UTC revision 3444 by schoenebeck, Sun Dec 23 19:32:11 2018 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 - 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 20  Line 23 
23   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
24   ***************************************************************************/   ***************************************************************************/
25    
 #include "EGADSR.h"  
 #include "Manipulator.h"  
26  #include "../../common/Features.h"  #include "../../common/Features.h"
27  #include "Synthesizer.h"  #include "Synthesizer.h"
28    #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());      Voice::Voice() {
37            pEngine = NULL;
38      const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask());          pEG1 = &EG1;
39            pEG2 = &EG2;
     float Voice::CalculateFilterCutoffCoeff() {  
         return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX);  
40      }      }
41    
42      int Voice::CalculateFilterUpdateMask() {      Voice::~Voice() {
         if (FILTER_UPDATE_PERIOD <= 0) return 0;  
         int power_of_two;  
         for (power_of_two = 0; 1<<power_of_two < FILTER_UPDATE_PERIOD; power_of_two++);  
         return (1 << power_of_two) - 1;  
43      }      }
44    
45      Voice::Voice() {      EngineChannel* Voice::GetGigEngineChannel() {
46          pEngine     = NULL;          return static_cast<EngineChannel*>(pEngineChannel);
         pDiskThread = NULL;  
         PlaybackState = playback_state_end;  
         pEG1   = NULL;  
         pEG2   = NULL;  
         pEG3   = NULL;  
         pVCAManipulator  = NULL;  
         pVCFCManipulator = NULL;  
         pVCOManipulator  = NULL;  
         pLFO1  = NULL;  
         pLFO2  = NULL;  
         pLFO3  = NULL;  
         KeyGroup = 0;  
         SynthesisMode = 0; // set all mode bits to 0 first  
         // select synthesis implementation (currently either pure C++ or MMX+SSE(1))  
         #if ARCH_X86  
         SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());  
         #else  
         SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);  
         #endif  
         SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true);  
   
         FilterLeft.Reset();  
         FilterRight.Reset();  
47      }      }
48    
49      Voice::~Voice() {      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
50          if (pEG1)  delete pEG1;          Engine* engine = static_cast<Engine*>(pEngine);
51          if (pEG2)  delete pEG2;          this->pEngine     = engine;
52          if (pEG3)  delete pEG3;          this->pDiskThread = engine->pDiskThread;
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
         if (pVCAManipulator)  delete pVCAManipulator;  
         if (pVCFCManipulator) delete pVCFCManipulator;  
         if (pVCOManipulator)  delete pVCOManipulator;  
     }  
   
     void Voice::SetEngine(Engine* pEngine) {  
         this->pEngine = pEngine;  
   
         // delete old objects  
         if (pEG1) delete pEG1;  
         if (pEG2) delete pEG2;  
         if (pEG3) delete pEG3;  
         if (pVCAManipulator)  delete pVCAManipulator;  
         if (pVCFCManipulator) delete pVCFCManipulator;  
         if (pVCOManipulator)  delete pVCOManipulator;  
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
   
         // create new ones  
         pEG1   = new EGADSR(pEngine, Event::destination_vca);  
         pEG2   = new EGADSR(pEngine, Event::destination_vcfc);  
         pEG3   = new EGDecay(pEngine, Event::destination_vco);  
         pVCAManipulator  = new VCAManipulator(pEngine);  
         pVCFCManipulator = new VCFCManipulator(pEngine);  
         pVCOManipulator  = new VCOManipulator(pEngine);  
         pLFO1  = new LFO<gig::VCAManipulator>(0.0f, 1.0f, LFO<VCAManipulator>::propagation_top_down, pVCAManipulator, pEngine->pEventPool);  
         pLFO2  = new LFO<gig::VCFCManipulator>(0.0f, 1.0f, LFO<VCFCManipulator>::propagation_top_down, pVCFCManipulator, pEngine->pEventPool);  
         pLFO3  = new LFO<gig::VCOManipulator>(-1200.0f, 1200.0f, LFO<VCOManipulator>::propagation_middle_balanced, pVCOManipulator, pEngine->pEventPool); // +-1 octave (+-1200 cents) max.  
   
         this->pDiskThread = pEngine->pDiskThread;  
53          dmsg(6,("Voice::SetEngine()\n"));          dmsg(6,("Voice::SetEngine()\n"));
54      }      }
55    
56      /**      Voice::SampleInfo Voice::GetSampleInfo() {
57       *  Initializes and triggers the voice, a disk stream will be launched if          SampleInfo si;
58       *  needed.          si.SampleRate       = pSample->SamplesPerSecond;
59       *          si.ChannelCount     = pSample->Channels;
60       *  @param itNoteOnEvent       - event that caused triggering of this voice          si.FrameSize        = pSample->FrameSize;
61       *  @param PitchBend           - MIDI detune factor (-8192 ... +8191)          si.BitDepth         = pSample->BitDepth;
62       *  @param pInstrument         - points to the loaded instrument which provides sample wave(s) and articulation data          si.TotalFrameCount  = (uint)pSample->SamplesTotal;
      *  @param iLayer              - layer number this voice refers to (only if this is a layered sound of course)  
      *  @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false)  
      *  @param VoiceStealing       - wether the voice is allowed to steal voices for further subvoices  
      *  @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(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {  
         if (!pInstrument) {  
            dmsg(1,("voice::trigger: !pInstrument\n"));  
            exit(EXIT_FAILURE);  
         }  
         if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)  
             dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));  
         }  
   
         Type            = type_normal;  
         MIDIKey         = itNoteOnEvent->Param.Note.Key;  
         pRegion         = pInstrument->GetRegion(MIDIKey);  
         PlaybackState   = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed  
         Delay           = itNoteOnEvent->FragmentPos();  
         itTriggerEvent  = itNoteOnEvent;  
         itKillEvent     = Pool<Event>::Iterator();  
         itChildVoice    = Pool<Voice>::Iterator();  
   
         if (!pRegion) {  
             dmsg(4, ("gig::Voice: No Region defined for MIDI key %d\n", MIDIKey));  
             return -1;  
         }  
   
         KeyGroup = pRegion->KeyGroup;  
   
         // get current dimension values to select the right dimension region  
         //FIXME: controller values for selecting the dimension region here are currently not sample accurate  
         uint DimValues[8] = { 0 };  
         for (int i = pRegion->Dimensions - 1; i >= 0; i--) {  
             switch (pRegion->pDimensionDefinitions[i].dimension) {  
                 case ::gig::dimension_samplechannel:  
                     DimValues[i] = 0; //TODO: we currently ignore this dimension  
                     break;  
                 case ::gig::dimension_layer:  
                     DimValues[i] = iLayer;  
                     // if this is the 1st layer then spawn further voices for all the other layers  
                     if (iLayer == 0)  
                         for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++)  
                             itChildVoice = pEngine->LaunchVoice(itNoteOnEvent, iNewLayer, ReleaseTriggerVoice, VoiceStealing);  
                     break;  
                 case ::gig::dimension_velocity:  
                     DimValues[i] = itNoteOnEvent->Param.Note.Velocity;  
                     break;  
                 case ::gig::dimension_channelaftertouch:  
                     DimValues[i] = 0; //TODO: we currently ignore this dimension  
                     break;  
                 case ::gig::dimension_releasetrigger:  
                     Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal;  
                     DimValues[i] = (uint) ReleaseTriggerVoice;  
                     break;  
                 case ::gig::dimension_keyboard:  
                     DimValues[i] = (uint) pEngine->CurrentKeyDimension;  
                     break;  
                 case ::gig::dimension_modwheel:  
                     DimValues[i] = pEngine->ControllerTable[1];  
                     break;  
                 case ::gig::dimension_breath:  
                     DimValues[i] = pEngine->ControllerTable[2];  
                     break;  
                 case ::gig::dimension_foot:  
                     DimValues[i] = pEngine->ControllerTable[4];  
                     break;  
                 case ::gig::dimension_portamentotime:  
                     DimValues[i] = pEngine->ControllerTable[5];  
                     break;  
                 case ::gig::dimension_effect1:  
                     DimValues[i] = pEngine->ControllerTable[12];  
                     break;  
                 case ::gig::dimension_effect2:  
                     DimValues[i] = pEngine->ControllerTable[13];  
                     break;  
                 case ::gig::dimension_genpurpose1:  
                     DimValues[i] = pEngine->ControllerTable[16];  
                     break;  
                 case ::gig::dimension_genpurpose2:  
                     DimValues[i] = pEngine->ControllerTable[17];  
                     break;  
                 case ::gig::dimension_genpurpose3:  
                     DimValues[i] = pEngine->ControllerTable[18];  
                     break;  
                 case ::gig::dimension_genpurpose4:  
                     DimValues[i] = pEngine->ControllerTable[19];  
                     break;  
                 case ::gig::dimension_sustainpedal:  
                     DimValues[i] = pEngine->ControllerTable[64];  
                     break;  
                 case ::gig::dimension_portamento:  
                     DimValues[i] = pEngine->ControllerTable[65];  
                     break;  
                 case ::gig::dimension_sostenutopedal:  
                     DimValues[i] = pEngine->ControllerTable[66];  
                     break;  
                 case ::gig::dimension_softpedal:  
                     DimValues[i] = pEngine->ControllerTable[67];  
                     break;  
                 case ::gig::dimension_genpurpose5:  
                     DimValues[i] = pEngine->ControllerTable[80];  
                     break;  
                 case ::gig::dimension_genpurpose6:  
                     DimValues[i] = pEngine->ControllerTable[81];  
                     break;  
                 case ::gig::dimension_genpurpose7:  
                     DimValues[i] = pEngine->ControllerTable[82];  
                     break;  
                 case ::gig::dimension_genpurpose8:  
                     DimValues[i] = pEngine->ControllerTable[83];  
                     break;  
                 case ::gig::dimension_effect1depth:  
                     DimValues[i] = pEngine->ControllerTable[91];  
                     break;  
                 case ::gig::dimension_effect2depth:  
                     DimValues[i] = pEngine->ControllerTable[92];  
                     break;  
                 case ::gig::dimension_effect3depth:  
                     DimValues[i] = pEngine->ControllerTable[93];  
                     break;  
                 case ::gig::dimension_effect4depth:  
                     DimValues[i] = pEngine->ControllerTable[94];  
                     break;  
                 case ::gig::dimension_effect5depth:  
                     DimValues[i] = pEngine->ControllerTable[95];  
                     break;  
                 case ::gig::dimension_none:  
                     std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush;  
                     break;  
                 default:  
                     std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush;  
             }  
         }  
         pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);  
   
         pSample = pDimRgn->pSample; // sample won't change until the voice is finished  
         if (!pSample || !pSample->SamplesTotal) return -1; // no need to continue if sample is silent  
63    
64          // select channel mode (mono or stereo)          si.HasLoops       = pRegion->SampleLoops;
65          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
66            si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
67            si.LoopPlayCount  = pSample->LoopPlayCount;
68            si.Unpitched      = !pRegion->PitchTrack;
69    
70          // get starting crossfade volume level          return si;
71          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(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]);  
                 break;  
             case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined  
             default:  
                 CrossfadeVolume = 1.0f;  
         }  
72    
73          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;      Voice::RegionInfo Voice::GetRegionInfo() {
74          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;          RegionInfo ri;
75            ri.UnityNote = pRegion->UnityNote;
76            ri.FineTune  = pRegion->FineTune;
77            ri.Pan       = pRegion->Pan;
78            ri.SampleStartOffset = pRegion->SampleStartOffset;
79    
80          Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)          ri.EG2PreAttack        = pRegion->EG2PreAttack;
81            ri.EG2Attack           = pRegion->EG2Attack;
82            ri.EG2Decay1           = pRegion->EG2Decay1;
83            ri.EG2Decay2           = pRegion->EG2Decay2;
84            ri.EG2Sustain          = pRegion->EG2Sustain;
85            ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
86            ri.EG2Release          = pRegion->EG2Release;
87    
88          // Check if the sample needs disk streaming or is too short for that          ri.EG3Attack     = pRegion->EG3Attack;
89          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;          ri.EG3Depth      = pRegion->EG3Depth;
90          DiskVoice          = cachedsamples < pSample->SamplesTotal;          ri.VCFEnabled    = pRegion->VCFEnabled;
91            ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
92          if (DiskVoice) { // voice to be streamed from disk          ri.VCFResonance  = pRegion->VCFResonance;
             MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << 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)  
   
             // 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;  
                 LoopCyclesLeft = pSample->LoopPlayCount;  
             }  
             else RAMLoop = false;  
93    
94              if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) {          ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
                 dmsg(1,("Disk stream order failed!\n"));  
                 KillImmediately();  
                 return -1;  
             }  
             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;  
                 LoopCyclesLeft = pSample->LoopPlayCount;  
             }  
             else RAMLoop = false;  
             dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));  
         }  
95    
96            return ri;
97        }
98    
99          // calculate initial pitch value      Voice::InstrumentInfo Voice::GetInstrumentInfo() {
100          {          InstrumentInfo ii;
101              double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];          ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
102              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;          ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
             this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));  
             this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents  
         }  
103    
104          Volume = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)          return ii;
105        }
106    
107          // setup EG 1 (VCA EG)      double Voice::GetSampleAttenuation() {
108          {          return pRegion->SampleAttenuation;
109              // 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 = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number];  
                     break;  
             }  
             if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;  
110    
111              // calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned)      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
112              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence)  * eg1controllervalue : 0.0;          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
113              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 0.0;      }
             double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0;  
   
             pEG1->Trigger(pDimRgn->EG1PreAttack,  
                           pDimRgn->EG1Attack + eg1attack,  
                           pDimRgn->EG1Hold,  
                           pSample->LoopStart,  
                           pDimRgn->EG1Decay1 + eg1decay,  
                           pDimRgn->EG1Decay2 + eg1decay,  
                           pDimRgn->EG1InfiniteSustain,  
                           pDimRgn->EG1Sustain,  
                           pDimRgn->EG1Release + eg1release,  
                           Delay);  
         }  
114    
115        double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
116            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
117        }
118    
119          // setup EG 2 (VCF Cutoff EG)      void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
120          {          if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
121              // get current value of EG2 controller              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
122              double eg2controllervalue;                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
123              switch (pDimRgn->EG2Controller.type) {                  CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
                 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 = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number];  
                     break;  
124              }              }
             if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;  
   
             // calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned)  
             double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 0.0;  
             double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 0.0;  
             double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0;  
   
             pEG2->Trigger(pDimRgn->EG2PreAttack,  
                           pDimRgn->EG2Attack + eg2attack,  
                           false,  
                           pSample->LoopStart,  
                           pDimRgn->EG2Decay1 + eg2decay,  
                           pDimRgn->EG2Decay2 + eg2decay,  
                           pDimRgn->EG2InfiniteSustain,  
                           pDimRgn->EG2Sustain,  
                           pDimRgn->EG2Release + eg2release,  
                           Delay);  
         }  
   
   
         // setup EG 3 (VCO EG)  
         {  
           double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);  
           pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay);  
125          }          }
126        }
127    
128        void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
129          // setup LFO 1 (VCA LFO)          if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
130          {              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
131              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  
                     break;  
                 case ::gig::lfo1_ctrl_modwheel:  
                     lfo1_internal_depth  = 0;  
                     pLFO1->ExtController = 1; // MIDI controller 1  
                     break;  
                 case ::gig::lfo1_ctrl_breath:  
                     lfo1_internal_depth  = 0;  
                     pLFO1->ExtController = 2; // MIDI controller 2  
                     break;  
                 case ::gig::lfo1_ctrl_internal_modwheel:  
                     lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;  
                     pLFO1->ExtController = 1; // MIDI controller 1  
                     break;  
                 case ::gig::lfo1_ctrl_internal_breath:  
                     lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;  
                     pLFO1->ExtController = 2; // MIDI controller 2  
                     break;  
                 default:  
                     lfo1_internal_depth  = 0;  
                     pLFO1->ExtController = 0; // no external controller  
132              }              }
             pLFO1->Trigger(pDimRgn->LFO1Frequency,  
                           lfo1_internal_depth,  
                           pDimRgn->LFO1ControlDepth,  
                           pEngine->ControllerTable[pLFO1->ExtController],  
                           pDimRgn->LFO1FlipPhase,  
                           pEngine->SampleRate,  
                           Delay);  
133          }          }
134        }
135    
136        void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
137            // Not used so far
138        }
139    
140          // setup LFO 2 (VCF Cutoff LFO)      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
141          {          int ccvalue = itEvent->Param.CC.Value;
142              uint16_t lfo2_internal_depth;          if (VCFCutoffCtrl.value == ccvalue) return;
143              switch (pDimRgn->LFO2Controller) {          VCFCutoffCtrl.value = ccvalue;
144                  case ::gig::lfo2_ctrl_internal:          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
145                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
146                      pLFO2->ExtController = 0; // no external controller          float cutoff = CutoffBase * float(ccvalue);
147                      break;          if (cutoff > 127.0f) cutoff = 127.0f;
                 case ::gig::lfo2_ctrl_modwheel:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 1; // MIDI controller 1  
                     break;  
                 case ::gig::lfo2_ctrl_foot:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 4; // MIDI controller 4  
                     break;  
                 case ::gig::lfo2_ctrl_internal_modwheel:  
                     lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;  
                     pLFO2->ExtController = 1; // MIDI controller 1  
                     break;  
                 case ::gig::lfo2_ctrl_internal_foot:  
                     lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;  
                     pLFO2->ExtController = 4; // MIDI controller 4  
                     break;  
                 default:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 0; // no external controller  
             }  
             pLFO2->Trigger(pDimRgn->LFO2Frequency,  
                           lfo2_internal_depth,  
                           pDimRgn->LFO2ControlDepth,  
                           pEngine->ControllerTable[pLFO2->ExtController],  
                           pDimRgn->LFO2FlipPhase,  
                           pEngine->SampleRate,  
                           Delay);  
         }  
148    
149            VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
150            fFinalCutoff = cutoff;
151        }
152    
153          // setup LFO 3 (VCO LFO)      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
154          {          float crossfadeVolume;
155              uint16_t lfo3_internal_depth;          switch (pRegion->AttenuationController.type) {
156              switch (pDimRgn->LFO3Controller) {              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
157                  case ::gig::lfo3_ctrl_internal:                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
158                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                  break;
159                      pLFO3->ExtController = 0; // no external controller              case ::gig::attenuation_ctrl_t::type_velocity:
160                      break;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
161                  case ::gig::lfo3_ctrl_modwheel:                  break;
162                      lfo3_internal_depth  = 0;              case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
163                      pLFO3->ExtController = 1; // MIDI controller 1                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
164                      break;                  break;
165                  case ::gig::lfo3_ctrl_aftertouch:              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
166                      lfo3_internal_depth  = 0;              default:
167                      pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet                  crossfadeVolume = 1.0f;
                     break;  
                 case ::gig::lfo3_ctrl_internal_modwheel:  
                     lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;  
                     pLFO3->ExtController = 1; // MIDI controller 1  
                     break;  
                 case ::gig::lfo3_ctrl_internal_aftertouch:  
                     lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;  
                     pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet  
                     break;  
                 default:  
                     lfo3_internal_depth  = 0;  
                     pLFO3->ExtController = 0; // no external controller  
             }  
             pLFO3->Trigger(pDimRgn->LFO3Frequency,  
                           lfo3_internal_depth,  
                           pDimRgn->LFO3ControlDepth,  
                           pEngine->ControllerTable[pLFO3->ExtController],  
                           false,  
                           pEngine->SampleRate,  
                           Delay);  
168          }          }
169    
170            return crossfadeVolume;
171        }
172    
173          #if FORCE_FILTER_USAGE      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
174          const bool bUseFilter = true;          double eg1controllervalue = 0;
175          #else // use filter only if instrument file told so          switch (pRegion->EG1Controller.type) {
176          const bool bUseFilter = pDimRgn->VCFEnabled;              case ::gig::eg1_ctrl_t::type_none: // no controller defined
177          #endif // FORCE_FILTER_USAGE                  eg1controllervalue = 0;
178          SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter);                  break;
179          if (bUseFilter) {              case ::gig::eg1_ctrl_t::type_channelaftertouch:
180              #ifdef OVERRIDE_FILTER_CUTOFF_CTRL                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
181              VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL;                  break;
182              #else // use the one defined in the instrument file              case ::gig::eg1_ctrl_t::type_velocity:
183              switch (pDimRgn->VCFCutoffController) {                  eg1controllervalue = MIDIKeyVelocity;
184                  case ::gig::vcf_cutoff_ctrl_modwheel:                  break;
185                      VCFCutoffCtrl.controller = 1;              case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
186                      break;                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
187                  case ::gig::vcf_cutoff_ctrl_effect1:                  break;
                     VCFCutoffCtrl.controller = 12;  
                     break;  
                 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 // OVERRIDE_FILTER_CUTOFF_CTRL  
   
             #ifdef OVERRIDE_FILTER_RES_CTRL  
             VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_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 // OVERRIDE_FILTER_RES_CTRL  
   
             #ifndef OVERRIDE_FILTER_TYPE  
             FilterLeft.SetType(pDimRgn->VCFType);  
             FilterRight.SetType(pDimRgn->VCFType);  
             #else // override filter type  
             FilterLeft.SetType(OVERRIDE_FILTER_TYPE);  
             FilterRight.SetType(OVERRIDE_FILTER_TYPE);  
             #endif // OVERRIDE_FILTER_TYPE  
   
             VCFCutoffCtrl.value    = pEngine->ControllerTable[VCFCutoffCtrl.controller];  
             VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller];  
   
             // calculate cutoff frequency  
             float cutoff = (!VCFCutoffCtrl.controller)  
                 ? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX  
                 : exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX;  
   
             // calculate resonance  
             float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0  
             if (pDimRgn->VCFKeyboardTracking) {  
                 resonance += (float) (itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f;  
             }  
             Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0)  
   
             VCFCutoffCtrl.fvalue    = cutoff - FILTER_CUTOFF_MIN;  
             VCFResonanceCtrl.fvalue = resonance;  
   
             FilterUpdateCounter = -1;  
         }  
         else {  
             VCFCutoffCtrl.controller    = 0;  
             VCFResonanceCtrl.controller = 0;  
188          }          }
189            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
190    
191          return 0; // success          return eg1controllervalue;
192      }      }
193    
194      /**      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
195       *  Renders the audio data for this voice for the current audio fragment.          EGInfo eg;
196       *  The sample input data can either come from RAM (cached sample or sample          // (eg1attack is different from the others)
197       *  part) or directly from disk. The output signal will be rendered by          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
198       *  resampling / interpolation. If this voice is a disk streaming voice and              (pRegion->EG1ControllerAttackInfluence == 0 ||
199       *  the voice completely played back the cached RAM part of the sample, it               eg1ControllerValue <= 10)) { // strange GSt special case
200       *  will automatically switch to disk playback for the next RenderAudio()              eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
201       *  call.          } else {
202       *              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
203       *  @param Samples - number of samples to be rendered in this audio fragment cycle                  1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
204       */                                        1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
205      void Voice::Render(uint Samples) {          }
206            eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
207          // select default values for synthesis mode bits          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
208          SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, (PitchBase * PitchBend) != 1.0f);  
209          SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, true);          return eg;
210          SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);      }
211    
212          // Reset the synthesis parameter matrix      double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
213            double eg2controllervalue = 0;
214          pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume);          switch (pRegion->EG2Controller.type) {
215          pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);              case ::gig::eg2_ctrl_t::type_none: // no controller defined
216          pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);                  eg2controllervalue = 0;
217          pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);                  break;
218                case ::gig::eg2_ctrl_t::type_channelaftertouch:
219          // Apply events to the synthesis parameter matrix                  eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
220          ProcessEvents(Samples);                  break;
221                case ::gig::eg2_ctrl_t::type_velocity:
222          // Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment                  eg2controllervalue = MIDIKeyVelocity;
223          pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent);                  break;
224          pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend);              case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
225          if (pEG3->Process(Samples)) { // if pitch EG is active                  eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
226              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);                  break;
             SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);  
         }  
         pLFO1->Process(Samples);  
         pLFO2->Process(Samples);  
         if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active  
             SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);  
             SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);  
227          }          }
228            if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
229    
230          if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode))          return eg2controllervalue;
231                  CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters      }
232    
233          switch (this->PlaybackState) {      Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
234            EGInfo eg;
235            eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
236            eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
237            eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
238    
239              case playback_state_ram: {          return eg;
240                      if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping      }
241    
242                      // render current fragment      void Voice::InitLFO1() {
243                      Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay);          uint16_t lfo1_internal_depth;
244            switch (pRegion->LFO1Controller) {
245                      if (DiskVoice) {              case ::gig::lfo1_ctrl_internal:
246                          // check if we reached the allowed limit of the sample RAM cache                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
247                          if (Pos > MaxRAMPos) {                  pLFO1->ExtController = 0; // no external controller
248                              dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", Pos));                  bLFO1Enabled         = (lfo1_internal_depth > 0);
                             this->PlaybackState = playback_state_disk;  
                         }  
                     }  
                     else if (Pos >= pSample->GetCache().Size / pSample->FrameSize) {  
                         this->PlaybackState = playback_state_end;  
                     }  
                 }  
                 break;  
   
             case playback_state_disk: {  
                     if (!DiskStreamRef.pStream) {  
                         // check if the disk thread created our ordered disk stream in the meantime  
                         DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID);  
                         if (!DiskStreamRef.pStream) {  
                             std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush;  
                             KillImmediately();  
                             return;  
                         }  
                         DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos));  
                         Pos -= int(Pos);  
                         RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet  
                     }  
   
                     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 << 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) Pos;  
                     const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read  
                     DiskStreamRef.pStream->IncrementReadPos(readSampleWords);  
                     Pos -= iPos; // just keep fractional part of Pos  
   
                     // 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;  
                     }  
                 }  
249                  break;                  break;
250                case ::gig::lfo1_ctrl_modwheel:
251              case playback_state_end:                  lfo1_internal_depth  = 0;
252                  std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush;                  pLFO1->ExtController = 1; // MIDI controller 1
253                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
254                  break;                  break;
255                case ::gig::lfo1_ctrl_breath:
256                    lfo1_internal_depth  = 0;
257                    pLFO1->ExtController = 2; // MIDI controller 2
258                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
259                    break;
260                case ::gig::lfo1_ctrl_internal_modwheel:
261                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
262                    pLFO1->ExtController = 1; // MIDI controller 1
263                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
264                    break;
265                case ::gig::lfo1_ctrl_internal_breath:
266                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
267                    pLFO1->ExtController = 2; // MIDI controller 2
268                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
269                    break;
270                default:
271                    lfo1_internal_depth  = 0;
272                    pLFO1->ExtController = 0; // no external controller
273                    bLFO1Enabled         = false;
274            }
275            if (bLFO1Enabled) {
276                pLFO1->trigger(pRegion->LFO1Frequency,
277                               start_level_min,
278                               lfo1_internal_depth,
279                               pRegion->LFO1ControlDepth,
280                               pRegion->LFO1FlipPhase,
281                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
282                pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
283                pLFO1->setScriptDepthFactor(pNote->Override.AmpLFODepth);
284                pLFO1->setScriptFrequencyFactor(pNote->Override.AmpLFOFreq, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
285          }          }
286        }
287    
288          // Reset synthesis event lists (except VCO, as VCO events apply channel wide currently)      void Voice::InitLFO2() {
289          pEngine->pSynthesisEvents[Event::destination_vca]->clear();          uint16_t lfo2_internal_depth;
290          pEngine->pSynthesisEvents[Event::destination_vcfc]->clear();          switch (pRegion->LFO2Controller) {
291          pEngine->pSynthesisEvents[Event::destination_vcfr]->clear();              case ::gig::lfo2_ctrl_internal:
292                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
293          // Reset delay                  pLFO2->ExtController = 0; // no external controller
294          Delay = 0;                  bLFO2Enabled         = (lfo2_internal_depth > 0);
295                    break;
296          itTriggerEvent = Pool<Event>::Iterator();              case ::gig::lfo2_ctrl_modwheel:
297                    lfo2_internal_depth  = 0;
298          // If sample stream or release stage finished, kill the voice                  pLFO2->ExtController = 1; // MIDI controller 1
299          if (PlaybackState == playback_state_end || pEG1->GetStage() == EGADSR::stage_end) KillImmediately();                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
300      }                  break;
301                case ::gig::lfo2_ctrl_foot:
302      /**                  lfo2_internal_depth  = 0;
303       *  Resets voice variables. Should only be called if rendering process is                  pLFO2->ExtController = 4; // MIDI controller 4
304       *  suspended / not running.                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
305       */                  break;
306      void Voice::Reset() {              case ::gig::lfo2_ctrl_internal_modwheel:
307          pLFO1->Reset();                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
308          pLFO2->Reset();                  pLFO2->ExtController = 1; // MIDI controller 1
309          pLFO3->Reset();                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
310          FilterLeft.Reset();                  break;
311          FilterRight.Reset();              case ::gig::lfo2_ctrl_internal_foot:
312          DiskStreamRef.pStream = NULL;                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
313          DiskStreamRef.hStream = 0;                  pLFO2->ExtController = 4; // MIDI controller 4
314          DiskStreamRef.State   = Stream::state_unused;                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
315          DiskStreamRef.OrderID = 0;                  break;
316          PlaybackState = playback_state_end;              default:
317          itTriggerEvent = Pool<Event>::Iterator();                  lfo2_internal_depth  = 0;
318          itKillEvent    = Pool<Event>::Iterator();                  pLFO2->ExtController = 0; // no external controller
319      }                  bLFO2Enabled         = false;
320            }
321      /**          if (bLFO2Enabled) {
322       *  Process the control change event lists of the engine for the current              pLFO2->trigger(pRegion->LFO2Frequency,
323       *  audio fragment. Event values will be applied to the synthesis parameter                             start_level_max,
324       *  matrix.                             lfo2_internal_depth,
325       *                             pRegion->LFO2ControlDepth,
326       *  @param Samples - number of samples to be rendered in this audio fragment cycle                             pRegion->LFO2FlipPhase,
327       */                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
328      void Voice::ProcessEvents(uint Samples) {              pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
329                pLFO2->setScriptDepthFactor(pNote->Override.CutoffLFODepth);
330          // dispatch control change events              pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
         RTList<Event>::Iterator itCCEvent = pEngine->pCCEvents->first();  
         if (Delay) { // skip events that happened before this voice was triggered  
             while (itCCEvent && itCCEvent->FragmentPos() <= Delay) ++itCCEvent;  
331          }          }
332          while (itCCEvent) {      }
             if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller  
                 if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {  
                     *pEngine->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent;  
                 }  
                 if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {  
                     *pEngine->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent;  
                 }  
                 if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) {  
                     pLFO1->SendEvent(itCCEvent);  
                 }  
                 if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) {  
                     pLFO2->SendEvent(itCCEvent);  
                 }  
                 if (itCCEvent->Param.CC.Controller == pLFO3->ExtController) {  
                     pLFO3->SendEvent(itCCEvent);  
                 }  
                 if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&  
                     itCCEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event  
                     *pEngine->pSynthesisEvents[Event::destination_vca]->allocAppend() = *itCCEvent;  
                 }  
             }  
333    
334              ++itCCEvent;      void Voice::InitLFO3() {
335            uint16_t lfo3_internal_depth;
336            switch (pRegion->LFO3Controller) {
337                case ::gig::lfo3_ctrl_internal:
338                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
339                    pLFO3->ExtController = 0; // no external controller
340                    bLFO3Enabled         = (lfo3_internal_depth > 0);
341                    break;
342                case ::gig::lfo3_ctrl_modwheel:
343                    lfo3_internal_depth  = 0;
344                    pLFO3->ExtController = 1; // MIDI controller 1
345                    bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
346                    break;
347                case ::gig::lfo3_ctrl_aftertouch:
348                    lfo3_internal_depth  = 0;
349                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
350                    bLFO3Enabled         = true;
351                    break;
352                case ::gig::lfo3_ctrl_internal_modwheel:
353                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
354                    pLFO3->ExtController = 1; // MIDI controller 1
355                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
356                    break;
357                case ::gig::lfo3_ctrl_internal_aftertouch:
358                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
359                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
360                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
361                    break;
362                default:
363                    lfo3_internal_depth  = 0;
364                    pLFO3->ExtController = 0; // no external controller
365                    bLFO3Enabled         = false;
366            }
367            if (bLFO3Enabled) {
368                pLFO3->trigger(pRegion->LFO3Frequency,
369                               start_level_mid,
370                               lfo3_internal_depth,
371                               pRegion->LFO3ControlDepth,
372                               false,
373                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
374                pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
375                pLFO3->setScriptDepthFactor(pNote->Override.PitchLFODepth);
376                pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
377          }          }
378        }
379    
380        float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
381          // process pitch events          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
382          {          if (pRegion->VCFKeyboardTracking) {
383              RTList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco];              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
384              RTList<Event>::Iterator itVCOEvent = pVCOEventList->first();          }
385              if (Delay) { // skip events that happened before this voice was triggered          return cutoff;
386                  while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent;      }
387              }  
388              // apply old pitchbend value until first pitch event occurs      float Voice::CalculateFinalCutoff(float cutoffBase) {
389              if (this->PitchBend != 1.0) {          int cvalue;
390                  uint end = (itVCOEvent) ? itVCOEvent->FragmentPos() : Samples;          if (VCFCutoffCtrl.controller) {
391                  for (uint i = Delay; i < end; i++) {              cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
392                      pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend;              if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
393                  }              // VCFVelocityScale in this case means Minimum cutoff
394              }              if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
             float pitch;  
             while (itVCOEvent) {  
                 RTList<Event>::Iterator itNextVCOEvent = itVCOEvent;  
                 ++itNextVCOEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextVCOEvent) ? itNextVCOEvent->FragmentPos() : Samples;  
   
                 pitch = RTMath::CentsToFreqRatio(((double) itVCOEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents  
   
                 // apply pitch value to the pitch parameter sequence  
                 for (uint i = itVCOEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch;  
                 }  
   
                 itVCOEvent = itNextVCOEvent;  
             }  
             if (!pVCOEventList->isEmpty()) {  
                 this->PitchBend = pitch;  
                 SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);  
                 SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);  
             }  
395          }          }
396            else {
397          // process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !)              cvalue = pRegion->VCFCutoff;
         {  
             RTList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca];  
             RTList<Event>::Iterator itVCAEvent = pVCAEventList->first();  
             if (Delay) { // skip events that happened before this voice was triggered  
                 while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent;  
             }  
             float crossfadevolume;  
             while (itVCAEvent) {  
                 RTList<Event>::Iterator itNextVCAEvent = itVCAEvent;  
                 ++itNextVCAEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextVCAEvent) ? itNextVCAEvent->FragmentPos() : Samples;  
   
                 crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value);  
   
                 float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume;  
   
                 // apply volume value to the volume parameter sequence  
                 for (uint i = itVCAEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume;  
                 }  
   
                 itVCAEvent = itNextVCAEvent;  
             }  
             if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume;  
398          }          }
399            float fco = cutoffBase * float(cvalue);
400            if (fco > 127.0f) fco = 127.0f;
401    
402          // process filter cutoff events          return fco;
403          {      }
             RTList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc];  
             RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first();  
             if (Delay) { // skip events that happened before this voice was triggered  
                 while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent;  
             }  
             float cutoff;  
             while (itCutoffEvent) {  
                 RTList<Event>::Iterator itNextCutoffEvent = itCutoffEvent;  
                 ++itNextCutoffEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples;  
   
                 cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN;  
   
                 // apply cutoff frequency to the cutoff parameter sequence  
                 for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff;  
                 }  
404    
405                  itCutoffEvent = itNextCutoffEvent;      uint8_t Voice::GetVCFCutoffCtrl() {
406              }          uint8_t ctrl;
407              if (!pCutoffEventList->isEmpty()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time          switch (pRegion->VCFCutoffController) {
408                case ::gig::vcf_cutoff_ctrl_modwheel:
409                    ctrl = 1;
410                    break;
411                case ::gig::vcf_cutoff_ctrl_effect1:
412                    ctrl = 12;
413                    break;
414                case ::gig::vcf_cutoff_ctrl_effect2:
415                    ctrl = 13;
416                    break;
417                case ::gig::vcf_cutoff_ctrl_breath:
418                    ctrl = 2;
419                    break;
420                case ::gig::vcf_cutoff_ctrl_foot:
421                    ctrl = 4;
422                    break;
423                case ::gig::vcf_cutoff_ctrl_sustainpedal:
424                    ctrl = 64;
425                    break;
426                case ::gig::vcf_cutoff_ctrl_softpedal:
427                    ctrl = 67;
428                    break;
429                case ::gig::vcf_cutoff_ctrl_genpurpose7:
430                    ctrl = 82;
431                    break;
432                case ::gig::vcf_cutoff_ctrl_genpurpose8:
433                    ctrl = 83;
434                    break;
435                case ::gig::vcf_cutoff_ctrl_aftertouch:
436                    ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
437                    break;
438                case ::gig::vcf_cutoff_ctrl_none:
439                default:
440                    ctrl = 0;
441                    break;
442          }          }
443    
444          // process filter resonance events          return ctrl;
         {  
             RTList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr];  
             RTList<Event>::Iterator itResonanceEvent = pResonanceEventList->first();  
             if (Delay) { // skip events that happened before this voice was triggered  
                 while (itResonanceEvent && itResonanceEvent->FragmentPos() <= Delay) ++itResonanceEvent;  
             }  
             while (itResonanceEvent) {  
                 RTList<Event>::Iterator itNextResonanceEvent = itResonanceEvent;  
                 ++itNextResonanceEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextResonanceEvent) ? itNextResonanceEvent->FragmentPos() : Samples;  
   
                 // convert absolute controller value to differential  
                 int ctrldelta = itResonanceEvent->Param.CC.Value - VCFResonanceCtrl.value;  
                 VCFResonanceCtrl.value = itResonanceEvent->Param.CC.Value;  
   
                 float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0  
   
                 // apply cutoff frequency to the cutoff parameter sequence  
                 for (uint i = itResonanceEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta;  
                 }  
   
                 itResonanceEvent = itNextResonanceEvent;  
             }  
             if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time  
         }  
445      }      }
446    
447      /**      uint8_t Voice::GetVCFResonanceCtrl() {
448       * Calculate all necessary, final biquad filter parameters.          uint8_t ctrl;
449       *          switch (pRegion->VCFResonanceController) {
450       * @param Samples - number of samples to be rendered in this audio fragment cycle              case ::gig::vcf_res_ctrl_genpurpose3:
451       */                  ctrl = 18;
452      void Voice::CalculateBiquadParameters(uint Samples) {                  break;
453          biquad_param_t bqbase;              case ::gig::vcf_res_ctrl_genpurpose4:
454          biquad_param_t bqmain;                  ctrl = 19;
455          float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0];                  break;
456          float prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][0];              case ::gig::vcf_res_ctrl_genpurpose5:
457          FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);                  ctrl = 80;
458          FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);                  break;
459          pEngine->pBasicFilterParameters[0] = bqbase;              case ::gig::vcf_res_ctrl_genpurpose6:
460          pEngine->pMainFilterParameters[0]  = bqmain;                  ctrl = 81;
461                    break;
462          float* bq;              case ::gig::vcf_res_ctrl_none:
463          for (int i = 1; i < Samples; i++) {              default:
464              // recalculate biquad parameters if cutoff or resonance differ from previous sample point                  ctrl = 0;
             if (!(i & FILTER_UPDATE_MASK)) {  
                 if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res ||  
                     pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff)  
                 {  
                     prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i];  
                     prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][i];  
                     FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);  
                     FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);  
                 }  
             }  
   
             //same as 'pEngine->pBasicFilterParameters[i] = bqbase;'  
             bq    = (float*) &pEngine->pBasicFilterParameters[i];  
             bq[0] = bqbase.b0;  
             bq[1] = bqbase.b1;  
             bq[2] = bqbase.b2;  
             bq[3] = bqbase.a1;  
             bq[4] = bqbase.a2;  
   
             // same as 'pEngine->pMainFilterParameters[i] = bqmain;'  
             bq    = (float*) &pEngine->pMainFilterParameters[i];  
             bq[0] = bqmain.b0;  
             bq[1] = bqmain.b1;  
             bq[2] = bqmain.b2;  
             bq[3] = bqmain.a1;  
             bq[4] = bqmain.a2;  
465          }          }
     }  
466    
467      /**          return ctrl;
      *  Synthesizes the current audio fragment for this voice.  
      *  
      *  @param Samples - number of sample points to be rendered in this audio  
      *                   fragment cycle  
      *  @param pSrc    - pointer to input sample data  
      *  @param Skip    - number of sample points to skip in output buffer  
      */  
     void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {  
         RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip);  
     }  
   
     /**  
      *  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();  
468      }      }
469    
470      /**      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
471       *  Kill the voice in regular sense. Let the voice render audio until          EG1.setStateOptions(
472       *  the kill event actually occured and then fade down the volume level              pRegion->EG1Options.AttackCancel,
473       *  very quickly and let the voice die finally. Unlike a normal release              pRegion->EG1Options.AttackHoldCancel,
474       *  of a voice, a kill process cannot be cancalled and is therefore              pRegion->EG1Options.Decay1Cancel,
475       *  usually used for voice stealing and key group conflicts.              pRegion->EG1Options.Decay2Cancel,
476       *              pRegion->EG1Options.ReleaseCancel
477       *  @param itKillEvent - event which caused the voice to be killed          );
478       */          EG1.trigger(pRegion->EG1PreAttack,
479      void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {                      RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
480          //FIXME: just two sanity checks for debugging, can be removed                      pRegion->EG1Hold,
481          if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));                      pRegion->EG1Decay1 * egInfo.Decay * velrelease,
482          if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));                      pRegion->EG1Decay2 * egInfo.Decay * velrelease,
483                        pRegion->EG1InfiniteSustain,
484          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;                      pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain : 1.f),
485          this->itKillEvent = itKillEvent;                      RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
486                        velocityAttenuation,
487                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
488        }
489    
490        void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
491            EG2.setStateOptions(
492                pRegion->EG2Options.AttackCancel,
493                pRegion->EG2Options.AttackHoldCancel,
494                pRegion->EG2Options.Decay1Cancel,
495                pRegion->EG2Options.Decay2Cancel,
496                pRegion->EG2Options.ReleaseCancel
497            );
498            EG2.trigger(uint(RgnInfo.EG2PreAttack),
499                        RgnInfo.EG2Attack * egInfo.Attack,
500                        false,
501                        RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
502                        RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
503                        RgnInfo.EG2InfiniteSustain,
504                        uint(RgnInfo.EG2Sustain),
505                        RgnInfo.EG2Release * egInfo.Release * velrelease,
506                        velocityAttenuation,
507                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
508        }
509    
510        void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
511            dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
512    
513            // TODO: The SustainPedal condition could be wrong, maybe the
514            // check should be if this Voice is in release stage or is a
515            // release sample instead. Need to test this in GSt.
516            // -- Andreas
517            //
518            // Commented sustain pedal check out. I don't think voices of the same
519            // note should be stopped at all, because it doesn't sound naturally
520            // with a drumkit.
521            // -- Christian, 2013-01-08
522            if (itEvent->Param.Note.Key != HostKey() /*||
523                !GetGigEngineChannel()->SustainPedal*/) {
524                dmsg(4,("Voice %p - kill", (void*)this));
525    
526                // kill the voice fast
527                pEG1->enterFadeOutStage();
528            }
529        }
530    
531        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
532            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
533        }
534    
535        int Voice::CalculatePan(uint8_t pan) {
536            int p;
537            // Gst behaviour: -64 and 63 are special cases
538            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
539            else if (RgnInfo.Pan == 63) p = pan * 2;
540            else                        p = pan + RgnInfo.Pan;
541    
542            if (p < 0) return 0;
543            if (p > 127) return 127;
544            return p;
545        }
546    
547        release_trigger_t Voice::GetReleaseTriggerFlags() {
548            release_trigger_t flags = 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
549            switch (pRegion->SustainReleaseTrigger) {
550                case ::gig::sust_rel_trg_none:
551                    break;
552                case ::gig::sust_rel_trg_maxvelocity:
553                    flags |= release_trigger_sustain_maxvelocity;
554                    break;
555                case ::gig::sust_rel_trg_keyvelocity:
556                    flags |= release_trigger_sustain_keyvelocity;
557                    break;
558            }
559            return flags;
560      }      }
561    
562  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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