/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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revision 831 by persson, Sat Jan 28 16:55:30 2006 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, 2006 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);
         this->pDiskThread = pEngine->pDiskThread;  
         dmsg(6,("Voice::SetEngine()\n"));  
63      }      }
64    
65      /**      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
66       *  Initializes and triggers the voice, a disk stream will be launched if          Engine* engine = static_cast<Engine*>(pEngine);
67       *  needed.          this->pEngine     = engine;
68       *          this->pDiskThread = engine->pDiskThread;
69       *  @param pEngineChannel - engine channel on which this voice was ordered          dmsg(6,("Voice::SetEngine()\n"));
70       *  @param itNoteOnEvent  - event that caused triggering of this voice      }
      *  @param PitchBend      - MIDI detune factor (-8192 ... +8191)  
      *  @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;  
         }  
71    
72          // select channel mode (mono or stereo)      Voice::SampleInfo Voice::GetSampleInfo() {
73          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);          SampleInfo si;
74            si.SampleRate       = pSample->SamplesPerSecond;
75            si.ChannelCount     = pSample->Channels;
76            si.FrameSize        = pSample->FrameSize;
77            si.BitDepth         = pSample->BitDepth;
78            si.TotalFrameCount  = (uint)pSample->SamplesTotal;
79    
80          // get starting crossfade volume level          si.HasLoops       = pRegion->SampleLoops;
81          switch (pDimRgn->AttenuationController.type) {          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
82              case ::gig::attenuation_ctrl_t::type_channelaftertouch:          si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
83                  CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet          si.LoopPlayCount  = pSample->LoopPlayCount;
84                  break;          si.Unpitched      = !pRegion->PitchTrack;
             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;  
         }  
85    
86          PanLeft  = Engine::PanCurve[64 - pDimRgn->Pan];          return si;
87          PanRight = Engine::PanCurve[64 + pDimRgn->Pan];      }
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            ri.EG2Sustain          = pRegion->EG2Sustain;
101            ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
102            ri.EG2Release          = pRegion->EG2Release;
103    
104          if (DiskVoice) { // voice to be streamed from disk          ri.EG3Attack     = pRegion->EG3Attack;
105              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.EG3Depth      = pRegion->EG3Depth;
106            ri.VCFEnabled    = pRegion->VCFEnabled;
107            ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
108            ri.VCFResonance  = pRegion->VCFResonance;
109    
110              // check if there's a loop defined which completely fits into the cached (RAM) part of the sample          ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
             RAMLoop = (pSample->Loops && pSample->LoopEnd <= MaxRAMPos);  
111    
112              if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) {          return ri;
113                  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;  
             RAMLoop = (pSample->Loops != 0);  
             dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));  
         }  
         if (RAMLoop) {  
             loop.uiTotalCycles = pSample->LoopPlayCount;  
             loop.uiCyclesLeft  = pSample->LoopPlayCount;  
             loop.uiStart       = pSample->LoopStart;  
             loop.uiEnd         = pSample->LoopEnd;  
             loop.uiSize        = pSample->LoopSize;  
         }  
   
         // calculate initial pitch value  
         {  
             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);  
         }  
   
         // setup initial volume in synthesis parameters  
         fFinalVolume = getVolume() * EG1.getLevel();  
         finalSynthesisParameters.fFinalVolumeLeft  = fFinalVolume * PanLeft * pEngineChannel->GlobalPanLeft;  
         finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * PanRight * pEngineChannel->GlobalPanRight;  
   
   
         // setup EG 2 (VCF Cutoff EG)  
         {  
             // 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;  
119    
120              // calculate influence of EG2 controller on EG2's parameters          return ii;
121              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;      }
             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);  
         }  
   
   
         // setup EG 3 (VCO EG)  
         {  
             // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch  
             bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;  
             float eg3depth = (bPortamento)  
                                  ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)  
                                  : RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);  
             float eg3time = (bPortamento)  
                                 ? pEngineChannel->PortamentoTime  
                                 : pDimRgn->EG3Attack;  
             EG3.trigger(eg3depth, eg3time, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time));  
         }  
   
   
         // setup LFO 1 (VCA LFO)  
         {  
             uint16_t lfo1_internal_depth;  
             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;  
             }  
             if (bLFO1Enabled) pLFO1->trigger(pDimRgn->LFO1Frequency,  
                                              start_level_max,  
                                              lfo1_internal_depth,  
                                              pDimRgn->LFO1ControlDepth,  
                                              pDimRgn->LFO1FlipPhase,  
                                              pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
         }  
122    
123        double Voice::GetSampleAttenuation() {
124            return pRegion->SampleAttenuation;
125        }
126    
127          // setup LFO 2 (VCF Cutoff LFO)      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
128          {          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
129              uint16_t lfo2_internal_depth;      }
             switch (pDimRgn->LFO2Controller) {  
                 case ::gig::lfo2_ctrl_internal:  
                     lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;  
                     pLFO2->ExtController = 0; // no external controller  
                     bLFO2Enabled         = (lfo2_internal_depth > 0);  
                     break;  
                 case ::gig::lfo2_ctrl_modwheel:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 1; // MIDI controller 1  
                     bLFO2Enabled         = (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);  
         }  
130    
131        double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
132            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
133        }
134    
135          // setup LFO 3 (VCO LFO)      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              uint16_t lfo3_internal_depth;              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
138              switch (pDimRgn->LFO3Controller) {                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
139                  case ::gig::lfo3_ctrl_internal:                  CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
                     lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;  
                     pLFO3->ExtController = 0; // no external controller  
                     bLFO3Enabled         = (lfo3_internal_depth > 0);  
                     break;  
                 case ::gig::lfo3_ctrl_modwheel:  
                     lfo3_internal_depth  = 0;  
                     pLFO3->ExtController = 1; // MIDI controller 1  
                     bLFO3Enabled         = (pDimRgn->LFO3ControlDepth > 0);  
                     break;  
                 case ::gig::lfo3_ctrl_aftertouch:  
                     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;  
140              }              }
             if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency,  
                                              start_level_mid,  
                                              lfo3_internal_depth,  
                                              pDimRgn->LFO3ControlDepth,  
                                              false,  
                                              pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
141          }          }
142        }
143    
144        void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
145          #if CONFIG_FORCE_FILTER          if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
146          const bool bUseFilter = true;              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
147          #else // use filter only if instrument file told so                  CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
         const bool bUseFilter = pDimRgn->VCFEnabled;  
         #endif // CONFIG_FORCE_FILTER  
         SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter);  
         if (bUseFilter) {  
             #ifdef CONFIG_OVERRIDE_CUTOFF_CTRL  
             VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL;  
             #else // use the one defined in the instrument file  
             switch (pDimRgn->VCFCutoffController) {  
                 case ::gig::vcf_cutoff_ctrl_modwheel:  
                     VCFCutoffCtrl.controller = 1;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_effect1:  
                     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 // 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;  
148              }              }
149              #endif // CONFIG_OVERRIDE_RESONANCE_CTRL          }
150        }
151    
152              #ifndef CONFIG_OVERRIDE_FILTER_TYPE      void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
153              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);          // Not used so far
154              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;  
155    
156              int cvalue;      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
157              if (VCFCutoffCtrl.controller) {          int ccvalue = itEvent->Param.CC.Value;
158                  cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];          if (VCFCutoffCtrl.value == ccvalue) return;
159                  if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;          VCFCutoffCtrl.value = ccvalue;
160                  // VCFVelocityScale in this case means Minimum cutoff          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
161                  if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
162              }          float cutoff = CutoffBase * float(ccvalue);
163              else {          if (cutoff > 127.0f) cutoff = 127.0f;
                 cvalue = pDimRgn->VCFCutoff;  
             }  
             cutoff *= float(cvalue) * 0.00787402f; // (1 / 127)  
             if (cutoff > 1.0) cutoff = 1.0;  
             cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449);  
             if (cutoff < 1.0) cutoff = 1.0;  
164    
165              // calculate resonance          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
166              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance) * 0.00787f; // 0.0..1.0          fFinalCutoff = cutoff;
167        }
168    
169              VCFCutoffCtrl.fvalue    = cutoff - 1.0;      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
170              VCFResonanceCtrl.fvalue = resonance;          float crossfadeVolume;
171          }          switch (pRegion->AttenuationController.type) {
172          else {              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
173              VCFCutoffCtrl.controller    = 0;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
174              VCFResonanceCtrl.controller = 0;                  break;
175                case ::gig::attenuation_ctrl_t::type_velocity:
176                    crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
177                    break;
178                case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
179                    crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
180                    break;
181                case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
182                default:
183                    crossfadeVolume = 1.0f;
184          }          }
185    
186          return 0; // success          return crossfadeVolume;
187      }      }
188    
189      /**      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
190       *  Renders the audio data for this voice for the current audio fragment.          double eg1controllervalue = 0;
191       *  The sample input data can either come from RAM (cached sample or sample          switch (pRegion->EG1Controller.type) {
192       *  part) or directly from disk. The output signal will be rendered by              case ::gig::eg1_ctrl_t::type_none: // no controller defined
193       *  resampling / interpolation. If this voice is a disk streaming voice and                  eg1controllervalue = 0;
194       *  the voice completely played back the cached RAM part of the sample, it                  break;
195       *  will automatically switch to disk playback for the next RenderAudio()              case ::gig::eg1_ctrl_t::type_channelaftertouch:
196       *  call.                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
197       *                  break;
198       *  @param Samples - number of samples to be rendered in this audio fragment cycle              case ::gig::eg1_ctrl_t::type_velocity:
199       */                  eg1controllervalue = MIDIKeyVelocity;
200      void Voice::Render(uint Samples) {                  break;
201                case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
202          // select default values for synthesis mode bits                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
203          SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);                  break;
   
         switch (this->PlaybackState) {  
   
             case playback_state_init:  
                 this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed  
                 // no break - continue with playback_state_ram  
   
             case playback_state_ram: {  
                     if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping  
   
                     // render current fragment  
                     Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay);  
   
                     if (DiskVoice) {  
                         // check if we reached the allowed limit of the sample RAM cache  
                         if (finalSynthesisParameters.dPos > MaxRAMPos) {  
                             dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", finalSynthesisParameters.dPos));  
                             this->PlaybackState = playback_state_disk;  
                         }  
                     } else if (finalSynthesisParameters.dPos >= 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(finalSynthesisParameters.dPos) - MaxRAMPos));  
                         finalSynthesisParameters.dPos -= int(finalSynthesisParameters.dPos);  
                         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 << 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);  
             }  
204          }          }
205            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
206    
207            return eg1controllervalue;
208      }      }
209    
210      /**      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
211       * Process given list of MIDI control change and pitch bend events for          EGInfo eg;
212       * the given time.          // (eg1attack is different from the others)
213       *          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
214       * @param itEvent - iterator pointing to the next event to be processed              (pRegion->EG1ControllerAttackInfluence == 0 ||
215       * @param End     - youngest time stamp where processing should be stopped               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      void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {          } else {
218          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
219              if (itEvent->Type == Event::type_control_change &&                  1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
220                  itEvent->Param.CC.Controller) { // if (valid) MIDI control change event                                        1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
221                  if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {          }
222                      processCutoffEvent(itEvent);          eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
223                  }          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
224                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {  
225                      processResonanceEvent(itEvent);          return eg;
226                  }      }
227                  if (itEvent->Param.CC.Controller == pLFO1->ExtController) {  
228                      pLFO1->update(itEvent->Param.CC.Value);      double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
229                  }          double eg2controllervalue = 0;
230                  if (itEvent->Param.CC.Controller == pLFO2->ExtController) {          switch (pRegion->EG2Controller.type) {
231                      pLFO2->update(itEvent->Param.CC.Value);              case ::gig::eg2_ctrl_t::type_none: // no controller defined
232                  }                  eg2controllervalue = 0;
233                  if (itEvent->Param.CC.Controller == pLFO3->ExtController) {                  break;
234                      pLFO3->update(itEvent->Param.CC.Value);              case ::gig::eg2_ctrl_t::type_channelaftertouch:
235                  }                  eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
236                  if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&                  break;
237                      itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {              case ::gig::eg2_ctrl_t::type_velocity:
238                      processCrossFadeEvent(itEvent);                  eg2controllervalue = MIDIKeyVelocity;
239                  }                  break;
240              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
241                  processPitchEvent(itEvent);                  eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
242              }                  break;
243          }          }
244      }          if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
245    
246      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {          return eg2controllervalue;
         const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents  
         finalSynthesisParameters.fFinalPitch *= pitch;  
         PitchBend = pitch;  
247      }      }
248    
249      void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) {      Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
250          CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value);          EGInfo eg;
251          fFinalVolume = getVolume();          eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
252      }          eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
253            eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
254    
255      float Voice::getVolume() {          return eg;
         #if CONFIG_PROCESS_MUTED_CHANNELS  
         return pEngineChannel->GetMute() ? 0 : (Volume * CrossfadeVolume * pEngineChannel->GlobalVolume);  
         #else  
         return Volume * CrossfadeVolume * pEngineChannel->GlobalVolume;  
         #endif  
256      }      }
257    
258      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::InitLFO1() {
259          int ccvalue = itEvent->Param.CC.Value;          uint16_t lfo1_internal_depth;
260          if (VCFCutoffCtrl.value == ccvalue) return;          switch (pRegion->LFO1Controller) {
261          VCFCutoffCtrl.value == ccvalue;              case ::gig::lfo1_ctrl_internal:
262          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
263          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;                  pLFO1->ExtController = 0; // no external controller
264          float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127)                  bLFO1Enabled         = (lfo1_internal_depth > 0);
265          if (cutoff > 1.0) cutoff = 1.0;                  break;
266          cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449);              case ::gig::lfo1_ctrl_modwheel:
267          if (cutoff < 1.0) cutoff = 1.0;                  lfo1_internal_depth  = 0;
268                    pLFO1->ExtController = 1; // MIDI controller 1
269                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
270                    break;
271                case ::gig::lfo1_ctrl_breath:
272                    lfo1_internal_depth  = 0;
273                    pLFO1->ExtController = 2; // MIDI controller 2
274                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
275                    break;
276                case ::gig::lfo1_ctrl_internal_modwheel:
277                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
278                    pLFO1->ExtController = 1; // MIDI controller 1
279                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
280                    break;
281                case ::gig::lfo1_ctrl_internal_breath:
282                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
283                    pLFO1->ExtController = 2; // MIDI controller 2
284                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
285                    break;
286                default:
287                    lfo1_internal_depth  = 0;
288                    pLFO1->ExtController = 0; // no external controller
289                    bLFO1Enabled         = false;
290            }
291            if (bLFO1Enabled) {
292                pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
293                               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                               lfo1_internal_depth,
297                               pRegion->LFO1ControlDepth,
298                               pRegion->LFO1FlipPhase,
299                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
300                pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
301                pLFO1->setScriptDepthFactor(
302                    pNote->Override.AmpLFODepth.Value,
303                    pNote->Override.AmpLFODepth.Final
304                );
305                if (pNote->Override.AmpLFOFreq.isFinal())
306                    pLFO1->setScriptFrequencyFinal(
307                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
308                    );
309                else
310                    pLFO1->setScriptFrequencyFactor(
311                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
312                    );
313            }
314        }
315    
316          VCFCutoffCtrl.fvalue = cutoff - 1.0; // needed for initialization of fFinalCutoff next time      void Voice::InitLFO2() {
317          fFinalCutoff = cutoff;          uint16_t lfo2_internal_depth;
318            switch (pRegion->LFO2Controller) {
319                case ::gig::lfo2_ctrl_internal:
320                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
321                    pLFO2->ExtController = 0; // no external controller
322                    bLFO2Enabled         = (lfo2_internal_depth > 0);
323                    break;
324                case ::gig::lfo2_ctrl_modwheel:
325                    lfo2_internal_depth  = 0;
326                    pLFO2->ExtController = 1; // MIDI controller 1
327                    bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
328                    break;
329                case ::gig::lfo2_ctrl_foot:
330                    lfo2_internal_depth  = 0;
331                    pLFO2->ExtController = 4; // MIDI controller 4
332                    bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
333                    break;
334                case ::gig::lfo2_ctrl_internal_modwheel:
335                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
336                    pLFO2->ExtController = 1; // MIDI controller 1
337                    bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
338                    break;
339                case ::gig::lfo2_ctrl_internal_foot:
340                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
341                    pLFO2->ExtController = 4; // MIDI controller 4
342                    bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
343                    break;
344                default:
345                    lfo2_internal_depth  = 0;
346                    pLFO2->ExtController = 0; // no external controller
347                    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::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      void Voice::InitLFO3() {
371          // convert absolute controller value to differential          uint16_t lfo3_internal_depth;
372          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->LFO3Controller) {
373          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::lfo3_ctrl_internal:
374          const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
375          fFinalResonance += resonancedelta;                  pLFO3->ExtController = 0; // no external controller
376          // needed for initialization of parameter                  bLFO3Enabled         = (lfo3_internal_depth > 0);
377          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f;                  break;
378      }              case ::gig::lfo3_ctrl_modwheel:
379                    lfo3_internal_depth  = 0;
380      /**                  pLFO3->ExtController = 1; // MIDI controller 1
381       *  Synthesizes the current audio fragment for this voice.                  bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
382       *                  break;
383       *  @param Samples - number of sample points to be rendered in this audio              case ::gig::lfo3_ctrl_aftertouch:
384       *                   fragment cycle                  lfo3_internal_depth  = 0;
385       *  @param pSrc    - pointer to input sample data                  pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
386       *  @param Skip    - number of sample points to skip in output buffer                  bLFO3Enabled         = true;
387       */                  break;
388      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {              case ::gig::lfo3_ctrl_internal_modwheel:
389          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pOutputLeft[Skip];                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
390          finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip];                  pLFO3->ExtController = 1; // MIDI controller 1
391          finalSynthesisParameters.pSrc      = pSrc;                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
392                    break;
393          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();              case ::gig::lfo3_ctrl_internal_aftertouch:
394          RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
395                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
396          if (Skip) { // skip events that happened before this voice was triggered                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
397              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;                  break;
398              while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;              default:
399          }                  lfo3_internal_depth  = 0;
400                    pLFO3->ExtController = 0; // no external controller
401          uint killPos;                  bLFO3Enabled         = false;
402          if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos);          }
403            if (bLFO3Enabled) {
404          float fFinalPanLeft = PanLeft * pEngineChannel->GlobalPanLeft;              pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
405          float fFinalPanRight = PanRight * pEngineChannel->GlobalPanRight;                             pRegion->LFO3Frequency,
406                               pRegion->LFO3Phase,
407          uint i = Skip;                             LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
408          while (i < Samples) {                             lfo3_internal_depth,
409              int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);                             pRegion->LFO3ControlDepth,
410                               pRegion->LFO3FlipPhase,
411              // initialize all final synthesis parameters                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
412              finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;              pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
413              fFinalVolume    = getVolume();              pLFO3->setScriptDepthFactor(
414              fFinalCutoff    = VCFCutoffCtrl.fvalue;                  pNote->Override.PitchLFODepth.Value,
415              fFinalResonance = VCFResonanceCtrl.fvalue;                  pNote->Override.PitchLFODepth.Final
416                );
417              // process MIDI control change and pitchbend events for this subfragment              if (pNote->Override.PitchLFOFreq.isFinal())
418              processCCEvents(itCCEvent, iSubFragmentEnd);                  pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
419                else
420              // process transition events (note on, note off & sustain pedal)                  pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
421              processTransitionEvents(itNoteEvent, iSubFragmentEnd);          }
422        }
             // if the voice was killed in this subfragment switch EG1 to fade out stage  
             if (itKillEvent && killPos <= iSubFragmentEnd) {  
                 EG1.enterFadeOutStage();  
                 itKillEvent = Pool<Event>::Iterator();  
             }  
423    
424              // process envelope generators      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
425              switch (EG1.getSegmentType()) {          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
426                  case EGADSR::segment_lin:          if (pRegion->VCFKeyboardTracking) {
427                      fFinalVolume *= EG1.processLin();              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
428                      break;          }
429                  case EGADSR::segment_exp:          return cutoff;
430                      fFinalVolume *= EG1.processExp();      }
431                      break;  
432                  case EGADSR::segment_end:      float Voice::CalculateFinalCutoff(float cutoffBase) {
433                      fFinalVolume *= EG1.getLevel();          int cvalue;
434                      break; // noop          if (VCFCutoffCtrl.controller) {
435              }              cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
436              switch (EG2.getSegmentType()) {              if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
437                  case EGADSR::segment_lin:              // VCFVelocityScale in this case means Minimum cutoff
438                      fFinalCutoff *= EG2.processLin();              if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
439                      break;          }
440                  case EGADSR::segment_exp:          else {
441                      fFinalCutoff *= EG2.processExp();              cvalue = pRegion->VCFCutoff;
442                      break;          }
443                  case EGADSR::segment_end:          float fco = cutoffBase * float(cvalue);
444                      fFinalCutoff *= EG2.getLevel();          if (fco > 127.0f) fco = 127.0f;
                     break; // noop  
             }  
             if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();  
445    
446              // process low frequency oscillators          return fco;
447              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);  
             }  
448    
449              // do we need resampling?      uint8_t Voice::GetVCFCutoffCtrl() {
450              const float __PLUS_ONE_CENT  = 1.000577789506554859250142541782224725466f;          uint8_t ctrl;
451              const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f;          switch (pRegion->VCFCutoffController) {
452              const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT &&              case ::gig::vcf_cutoff_ctrl_modwheel:
453                                                 finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT);                  ctrl = 1;
454              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);                  break;
455                case ::gig::vcf_cutoff_ctrl_effect1:
456              // prepare final synthesis parameters structure                  ctrl = 12;
457              finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;                  break;
458  #ifdef CONFIG_INTERPOLATE_VOLUME              case ::gig::vcf_cutoff_ctrl_effect2:
459              finalSynthesisParameters.fFinalVolumeDeltaLeft  =                  ctrl = 13;
460                  (fFinalVolume * fFinalPanLeft - finalSynthesisParameters.fFinalVolumeLeft) / finalSynthesisParameters.uiToGo;                  break;
461              finalSynthesisParameters.fFinalVolumeDeltaRight =              case ::gig::vcf_cutoff_ctrl_breath:
462                  (fFinalVolume * fFinalPanRight - finalSynthesisParameters.fFinalVolumeRight) / finalSynthesisParameters.uiToGo;                  ctrl = 2;
463  #else                  break;
464              finalSynthesisParameters.fFinalVolumeLeft  = fFinalVolume * fFinalPanLeft;              case ::gig::vcf_cutoff_ctrl_foot:
465              finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * fFinalPanRight;                  ctrl = 4;
466  #endif                  break;
467              // render audio for one subfragment              case ::gig::vcf_cutoff_ctrl_sustainpedal:
468              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);                  ctrl = 64;
469                    break;
470              // stop the rendering if volume EG is finished              case ::gig::vcf_cutoff_ctrl_softpedal:
471              if (EG1.getSegmentType() == EGADSR::segment_end) break;                  ctrl = 67;
472                    break;
473              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;              case ::gig::vcf_cutoff_ctrl_genpurpose7:
474                    ctrl = 82;
475              // increment envelopes' positions                  break;
476              if (EG1.active()) {              case ::gig::vcf_cutoff_ctrl_genpurpose8:
477                    ctrl = 83;
478                  // 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                  break;
479                  if (pSample->Loops && Pos <= pSample->LoopStart && pSample->LoopStart < newPos) {              case ::gig::vcf_cutoff_ctrl_aftertouch:
480                      EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
481                  }                  break;
482                case ::gig::vcf_cutoff_ctrl_none:
483                default:
484                    ctrl = 0;
485                    break;
486            }
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      /** @brief Update current portamento position.          return ctrl;
512       *      }
      * Will be called when portamento mode is enabled to get the final  
      * portamento position of this active voice from where the next voice(s)  
      * might continue to slide on.  
      *  
      * @param itNoteOffEvent - event which causes this voice to die soon  
      */  
     void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {  
         const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());  
         pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;  
     }  
   
     /**  
      *  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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