/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/Voice.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 830 by persson, Sun Jan 15 18:23:11 2006 UTC revision 3625 by schoenebeck, Thu Oct 3 13:37:25 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());      // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
37        inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
38      float Voice::CalculateFilterCutoffCoeff() {          // simply assuming equally mapped enums on both sides
39          return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN);          return static_cast<LFO::wave_t>(wave);
40      }      }
41    
42      Voice::Voice() {      Voice::Voice() {
43          pEngine     = NULL;          pEngine = NULL;
44          pDiskThread = NULL;          pEG1 = &EG1;
45          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();  
46      }      }
47    
48      Voice::~Voice() {      Voice::~Voice() {
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
49      }      }
50    
51      void Voice::SetEngine(Engine* pEngine) {      EngineChannel* Voice::GetGigEngineChannel() {
52          this->pEngine     = pEngine;          return static_cast<EngineChannel*>(pEngineChannel);
         this->pDiskThread = pEngine->pDiskThread;  
         dmsg(6,("Voice::SetEngine()\n"));  
53      }      }
54    
55      /**      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
56       *  Initializes and triggers the voice, a disk stream will be launched if          Engine* engine = static_cast<Engine*>(pEngine);
57       *  needed.          this->pEngine     = engine;
58       *          this->pDiskThread = engine->pDiskThread;
59       *  @param pEngineChannel - engine channel on which this voice was ordered          dmsg(6,("Voice::SetEngine()\n"));
60       *  @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;  
         }  
61    
62          // select channel mode (mono or stereo)      Voice::SampleInfo Voice::GetSampleInfo() {
63          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);          SampleInfo si;
64            si.SampleRate       = pSample->SamplesPerSecond;
65            si.ChannelCount     = pSample->Channels;
66            si.FrameSize        = pSample->FrameSize;
67            si.BitDepth         = pSample->BitDepth;
68            si.TotalFrameCount  = (uint)pSample->SamplesTotal;
69    
70          // get starting crossfade volume level          si.HasLoops       = pRegion->SampleLoops;
71          switch (pDimRgn->AttenuationController.type) {          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
72              case ::gig::attenuation_ctrl_t::type_channelaftertouch:          si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
73                  CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet          si.LoopPlayCount  = pSample->LoopPlayCount;
74                  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;  
         }  
75    
76          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;          return si;
77          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;      }
78    
79          finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)      Voice::RegionInfo Voice::GetRegionInfo() {
80          Pos = pDimRgn->SampleStartOffset;          RegionInfo ri;
81            ri.UnityNote = pRegion->UnityNote;
82            ri.FineTune  = pRegion->FineTune;
83            ri.Pan       = pRegion->Pan;
84            ri.SampleStartOffset = pRegion->SampleStartOffset;
85    
86          // Check if the sample needs disk streaming or is too short for that          ri.EG2PreAttack        = pRegion->EG2PreAttack;
87          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;          ri.EG2Attack           = pRegion->EG2Attack;
88          DiskVoice          = cachedsamples < pSample->SamplesTotal;          ri.EG2Decay1           = pRegion->EG2Decay1;
89            ri.EG2Decay2           = pRegion->EG2Decay2;
90            ri.EG2Sustain          = pRegion->EG2Sustain;
91            ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
92            ri.EG2Release          = pRegion->EG2Release;
93    
94          if (DiskVoice) { // voice to be streamed from disk          ri.EG3Attack     = pRegion->EG3Attack;
95              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;
96            ri.VCFEnabled    = pRegion->VCFEnabled;
97            ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
98            ri.VCFResonance  = pRegion->VCFResonance;
99    
100              // 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);  
101    
102              if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) {          return ri;
103                  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;  
104    
105              // calculate influence of EG1 controller on EG1's parameters      Voice::InstrumentInfo Voice::GetInstrumentInfo() {
106              // (eg1attack is different from the others)          InstrumentInfo ii;
107              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?          ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
108                  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;  
         finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * PanRight;  
   
   
         // 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;  
109    
110              // calculate influence of EG2 controller on EG2's parameters          return ii;
111              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);  
         }  
112    
113        double Voice::GetSampleAttenuation() {
114            return pRegion->SampleAttenuation;
115        }
116    
117          // setup LFO 2 (VCF Cutoff LFO)      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
118          {          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
119              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);  
         }  
120    
121        double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
122            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
123        }
124    
125          // setup LFO 3 (VCO LFO)      void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
126          {          if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
127              uint16_t lfo3_internal_depth;              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
128              switch (pDimRgn->LFO3Controller) {                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
129                  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;  
130              }              }
             if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency,  
                                              start_level_mid,  
                                              lfo3_internal_depth,  
                                              pDimRgn->LFO3ControlDepth,  
                                              false,  
                                              pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
131          }          }
132        }
133    
134        void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
135          #if CONFIG_FORCE_FILTER          if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
136          const bool bUseFilter = true;              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
137          #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;  
138              }              }
139              #endif // CONFIG_OVERRIDE_RESONANCE_CTRL          }
140        }
141    
142              #ifndef CONFIG_OVERRIDE_FILTER_TYPE      void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
143              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);          // Not used so far
144              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;  
145    
146              int cvalue;      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
147              if (VCFCutoffCtrl.controller) {          int ccvalue = itEvent->Param.CC.Value;
148                  cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];          if (VCFCutoffCtrl.value == ccvalue) return;
149                  if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;          VCFCutoffCtrl.value = ccvalue;
150                  // VCFVelocityScale in this case means Minimum cutoff          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
151                  if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
152              }          float cutoff = CutoffBase * float(ccvalue);
153              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;  
154    
155              // calculate resonance          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
156              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance) * 0.00787f; // 0.0..1.0          fFinalCutoff = cutoff;
157        }
158    
159              VCFCutoffCtrl.fvalue    = cutoff - 1.0;      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
160              VCFResonanceCtrl.fvalue = resonance;          float crossfadeVolume;
161          }          switch (pRegion->AttenuationController.type) {
162          else {              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
163              VCFCutoffCtrl.controller    = 0;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
164              VCFResonanceCtrl.controller = 0;                  break;
165                case ::gig::attenuation_ctrl_t::type_velocity:
166                    crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
167                    break;
168                case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
169                    crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
170                    break;
171                case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
172                default:
173                    crossfadeVolume = 1.0f;
174          }          }
175    
176          return 0; // success          return crossfadeVolume;
177      }      }
178    
179      /**      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
180       *  Renders the audio data for this voice for the current audio fragment.          double eg1controllervalue = 0;
181       *  The sample input data can either come from RAM (cached sample or sample          switch (pRegion->EG1Controller.type) {
182       *  part) or directly from disk. The output signal will be rendered by              case ::gig::eg1_ctrl_t::type_none: // no controller defined
183       *  resampling / interpolation. If this voice is a disk streaming voice and                  eg1controllervalue = 0;
184       *  the voice completely played back the cached RAM part of the sample, it                  break;
185       *  will automatically switch to disk playback for the next RenderAudio()              case ::gig::eg1_ctrl_t::type_channelaftertouch:
186       *  call.                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
187       *                  break;
188       *  @param Samples - number of samples to be rendered in this audio fragment cycle              case ::gig::eg1_ctrl_t::type_velocity:
189       */                  eg1controllervalue = MIDIKeyVelocity;
190      void Voice::Render(uint Samples) {                  break;
191                case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
192          // select default values for synthesis mode bits                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
193          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);  
             }  
194          }          }
195            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
196    
197            return eg1controllervalue;
198      }      }
199    
200      /**      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
201       * Process given list of MIDI control change and pitch bend events for          EGInfo eg;
202       * the given time.          // (eg1attack is different from the others)
203       *          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
204       * @param itEvent - iterator pointing to the next event to be processed              (pRegion->EG1ControllerAttackInfluence == 0 ||
205       * @param End     - youngest time stamp where processing should be stopped               eg1ControllerValue <= 10)) { // strange GSt special case
206       */              eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
207      void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {          } else {
208          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
209              if (itEvent->Type == Event::type_control_change &&                  1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
210                  itEvent->Param.CC.Controller) { // if (valid) MIDI control change event                                        1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
211                  if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {          }
212                      processCutoffEvent(itEvent);          eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
213                  }          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
214                  if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {  
215                      processResonanceEvent(itEvent);          return eg;
216                  }      }
217                  if (itEvent->Param.CC.Controller == pLFO1->ExtController) {  
218                      pLFO1->update(itEvent->Param.CC.Value);      double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
219                  }          double eg2controllervalue = 0;
220                  if (itEvent->Param.CC.Controller == pLFO2->ExtController) {          switch (pRegion->EG2Controller.type) {
221                      pLFO2->update(itEvent->Param.CC.Value);              case ::gig::eg2_ctrl_t::type_none: // no controller defined
222                  }                  eg2controllervalue = 0;
223                  if (itEvent->Param.CC.Controller == pLFO3->ExtController) {                  break;
224                      pLFO3->update(itEvent->Param.CC.Value);              case ::gig::eg2_ctrl_t::type_channelaftertouch:
225                  }                  eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
226                  if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&                  break;
227                      itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {              case ::gig::eg2_ctrl_t::type_velocity:
228                      processCrossFadeEvent(itEvent);                  eg2controllervalue = MIDIKeyVelocity;
229                  }                  break;
230              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
231                  processPitchEvent(itEvent);                  eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
232              }                  break;
233          }          }
234      }          if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
235    
236      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;  
237      }      }
238    
239      void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) {      Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
240          CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value);          EGInfo eg;
241          fFinalVolume = getVolume();          eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
242      }          eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
243            eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
244    
245      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  
246      }      }
247    
248      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::InitLFO1() {
249          int ccvalue = itEvent->Param.CC.Value;          uint16_t lfo1_internal_depth;
250          if (VCFCutoffCtrl.value == ccvalue) return;          switch (pRegion->LFO1Controller) {
251          VCFCutoffCtrl.value == ccvalue;              case ::gig::lfo1_ctrl_internal:
252          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
253          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;                  pLFO1->ExtController = 0; // no external controller
254          float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127)                  bLFO1Enabled         = (lfo1_internal_depth > 0);
255          if (cutoff > 1.0) cutoff = 1.0;                  break;
256          cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449);              case ::gig::lfo1_ctrl_modwheel:
257          if (cutoff < 1.0) cutoff = 1.0;                  lfo1_internal_depth  = 0;
258                    pLFO1->ExtController = 1; // MIDI controller 1
259                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
260                    break;
261                case ::gig::lfo1_ctrl_breath:
262                    lfo1_internal_depth  = 0;
263                    pLFO1->ExtController = 2; // MIDI controller 2
264                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
265                    break;
266                case ::gig::lfo1_ctrl_internal_modwheel:
267                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
268                    pLFO1->ExtController = 1; // MIDI controller 1
269                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
270                    break;
271                case ::gig::lfo1_ctrl_internal_breath:
272                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
273                    pLFO1->ExtController = 2; // MIDI controller 2
274                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
275                    break;
276                default:
277                    lfo1_internal_depth  = 0;
278                    pLFO1->ExtController = 0; // no external controller
279                    bLFO1Enabled         = false;
280            }
281            if (bLFO1Enabled) {
282                pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
283                               pRegion->LFO1Frequency,
284                               pRegion->LFO1Phase,
285                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
286                               lfo1_internal_depth,
287                               pRegion->LFO1ControlDepth,
288                               pRegion->LFO1FlipPhase,
289                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
290                pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
291                pLFO1->setScriptDepthFactor(
292                    pNote->Override.AmpLFODepth.Value,
293                    pNote->Override.AmpLFODepth.Final
294                );
295                if (pNote->Override.AmpLFOFreq.isFinal())
296                    pLFO1->setScriptFrequencyFinal(
297                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
298                    );
299                else
300                    pLFO1->setScriptFrequencyFactor(
301                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
302                    );
303            }
304        }
305    
306          VCFCutoffCtrl.fvalue = cutoff - 1.0; // needed for initialization of fFinalCutoff next time      void Voice::InitLFO2() {
307          fFinalCutoff = cutoff;          uint16_t lfo2_internal_depth;
308            switch (pRegion->LFO2Controller) {
309                case ::gig::lfo2_ctrl_internal:
310                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
311                    pLFO2->ExtController = 0; // no external controller
312                    bLFO2Enabled         = (lfo2_internal_depth > 0);
313                    break;
314                case ::gig::lfo2_ctrl_modwheel:
315                    lfo2_internal_depth  = 0;
316                    pLFO2->ExtController = 1; // MIDI controller 1
317                    bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
318                    break;
319                case ::gig::lfo2_ctrl_foot:
320                    lfo2_internal_depth  = 0;
321                    pLFO2->ExtController = 4; // MIDI controller 4
322                    bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
323                    break;
324                case ::gig::lfo2_ctrl_internal_modwheel:
325                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
326                    pLFO2->ExtController = 1; // MIDI controller 1
327                    bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
328                    break;
329                case ::gig::lfo2_ctrl_internal_foot:
330                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
331                    pLFO2->ExtController = 4; // MIDI controller 4
332                    bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
333                    break;
334                default:
335                    lfo2_internal_depth  = 0;
336                    pLFO2->ExtController = 0; // no external controller
337                    bLFO2Enabled         = false;
338            }
339            if (bLFO2Enabled) {
340                pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
341                               pRegion->LFO2Frequency,
342                               pRegion->LFO2Phase,
343                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
344                               lfo2_internal_depth,
345                               pRegion->LFO2ControlDepth,
346                               pRegion->LFO2FlipPhase,
347                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
348                pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
349                pLFO2->setScriptDepthFactor(
350                    pNote->Override.CutoffLFODepth.Value,
351                    pNote->Override.CutoffLFODepth.Final
352                );
353                if (pNote->Override.CutoffLFOFreq.isFinal())
354                    pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
355                else
356                    pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
357            }
358      }      }
359    
360      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      void Voice::InitLFO3() {
361          // convert absolute controller value to differential          uint16_t lfo3_internal_depth;
362          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->LFO3Controller) {
363          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::lfo3_ctrl_internal:
364          const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
365          fFinalResonance += resonancedelta;                  pLFO3->ExtController = 0; // no external controller
366          // needed for initialization of parameter                  bLFO3Enabled         = (lfo3_internal_depth > 0);
367          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f;                  break;
368      }              case ::gig::lfo3_ctrl_modwheel:
369                    lfo3_internal_depth  = 0;
370      /**                  pLFO3->ExtController = 1; // MIDI controller 1
371       *  Synthesizes the current audio fragment for this voice.                  bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
372       *                  break;
373       *  @param Samples - number of sample points to be rendered in this audio              case ::gig::lfo3_ctrl_aftertouch:
374       *                   fragment cycle                  lfo3_internal_depth  = 0;
375       *  @param pSrc    - pointer to input sample data                  pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
376       *  @param Skip    - number of sample points to skip in output buffer                  bLFO3Enabled         = true;
377       */                  break;
378      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {              case ::gig::lfo3_ctrl_internal_modwheel:
379          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pOutputLeft[Skip];                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
380          finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip];                  pLFO3->ExtController = 1; // MIDI controller 1
381          finalSynthesisParameters.pSrc      = pSrc;                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
382                    break;
383          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();              case ::gig::lfo3_ctrl_internal_aftertouch:
384          RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
385                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
386          if (Skip) { // skip events that happened before this voice was triggered                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
387              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;                  break;
388              while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;              default:
389          }                  lfo3_internal_depth  = 0;
390                    pLFO3->ExtController = 0; // no external controller
391          uint killPos;                  bLFO3Enabled         = false;
392          if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos);          }
393            if (bLFO3Enabled) {
394          uint i = Skip;              pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
395          while (i < Samples) {                             pRegion->LFO3Frequency,
396              int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);                             pRegion->LFO3Phase,
397                               LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
398              // initialize all final synthesis parameters                             lfo3_internal_depth,
399              finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;                             pRegion->LFO3ControlDepth,
400              fFinalVolume    = getVolume();                             pRegion->LFO3FlipPhase,
401              fFinalCutoff    = VCFCutoffCtrl.fvalue;                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
402              fFinalResonance = VCFResonanceCtrl.fvalue;              pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
403                pLFO3->setScriptDepthFactor(
404              // process MIDI control change and pitchbend events for this subfragment                  pNote->Override.PitchLFODepth.Value,
405              processCCEvents(itCCEvent, iSubFragmentEnd);                  pNote->Override.PitchLFODepth.Final
406                );
407              // process transition events (note on, note off & sustain pedal)              if (pNote->Override.PitchLFOFreq.isFinal())
408              processTransitionEvents(itNoteEvent, iSubFragmentEnd);                  pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
409                else
410              // if the voice was killed in this subfragment switch EG1 to fade out stage                  pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
411              if (itKillEvent && killPos <= iSubFragmentEnd) {          }
412                  EG1.enterFadeOutStage();      }
                 itKillEvent = Pool<Event>::Iterator();  
             }  
413    
414              // process envelope generators      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
415              switch (EG1.getSegmentType()) {          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
416                  case EGADSR::segment_lin:          if (pRegion->VCFKeyboardTracking) {
417                      fFinalVolume *= EG1.processLin();              cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
418                      break;          }
419                  case EGADSR::segment_exp:          return cutoff;
420                      fFinalVolume *= EG1.processExp();      }
421                      break;  
422                  case EGADSR::segment_end:      float Voice::CalculateFinalCutoff(float cutoffBase) {
423                      fFinalVolume *= EG1.getLevel();          int cvalue;
424                      break; // noop          if (VCFCutoffCtrl.controller) {
425              }              cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
426              switch (EG2.getSegmentType()) {              if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
427                  case EGADSR::segment_lin:              // VCFVelocityScale in this case means Minimum cutoff
428                      fFinalCutoff *= EG2.processLin();              if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
429                      break;          }
430                  case EGADSR::segment_exp:          else {
431                      fFinalCutoff *= EG2.processExp();              cvalue = pRegion->VCFCutoff;
432                      break;          }
433                  case EGADSR::segment_end:          float fco = cutoffBase * float(cvalue);
434                      fFinalCutoff *= EG2.getLevel();          if (fco > 127.0f) fco = 127.0f;
                     break; // noop  
             }  
             if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();  
435    
436              // process low frequency oscillators          return fco;
437              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);  
             }  
438    
439              // do we need resampling?      uint8_t Voice::GetVCFCutoffCtrl() {
440              const float __PLUS_ONE_CENT  = 1.000577789506554859250142541782224725466f;          uint8_t ctrl;
441              const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f;          switch (pRegion->VCFCutoffController) {
442              const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT &&              case ::gig::vcf_cutoff_ctrl_modwheel:
443                                                 finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT);                  ctrl = 1;
444              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);                  break;
445                case ::gig::vcf_cutoff_ctrl_effect1:
446              // prepare final synthesis parameters structure                  ctrl = 12;
447              finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;                  break;
448  #ifdef CONFIG_INTERPOLATE_VOLUME              case ::gig::vcf_cutoff_ctrl_effect2:
449              finalSynthesisParameters.fFinalVolumeDeltaLeft  =                  ctrl = 13;
450                  (fFinalVolume * PanLeft - finalSynthesisParameters.fFinalVolumeLeft) / finalSynthesisParameters.uiToGo;                  break;
451              finalSynthesisParameters.fFinalVolumeDeltaRight =              case ::gig::vcf_cutoff_ctrl_breath:
452                  (fFinalVolume * PanRight - finalSynthesisParameters.fFinalVolumeRight) / finalSynthesisParameters.uiToGo;                  ctrl = 2;
453  #else                  break;
454              finalSynthesisParameters.fFinalVolumeLeft  = fFinalVolume * PanLeft;              case ::gig::vcf_cutoff_ctrl_foot:
455              finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * PanRight;                  ctrl = 4;
456  #endif                  break;
457              // render audio for one subfragment              case ::gig::vcf_cutoff_ctrl_sustainpedal:
458              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);                  ctrl = 64;
459                    break;
460              // stop the rendering if volume EG is finished              case ::gig::vcf_cutoff_ctrl_softpedal:
461              if (EG1.getSegmentType() == EGADSR::segment_end) break;                  ctrl = 67;
462                    break;
463              const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;              case ::gig::vcf_cutoff_ctrl_genpurpose7:
464                    ctrl = 82;
465              // increment envelopes' positions                  break;
466              if (EG1.active()) {              case ::gig::vcf_cutoff_ctrl_genpurpose8:
467                    ctrl = 83;
468                  // 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;
469                  if (pSample->Loops && Pos <= pSample->LoopStart && pSample->LoopStart < newPos) {              case ::gig::vcf_cutoff_ctrl_aftertouch:
470                      EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
471                  }                  break;
472                case ::gig::vcf_cutoff_ctrl_none:
473                default:
474                    ctrl = 0;
475                    break;
476            }
477    
478                  EG1.increment(1);          return ctrl;
479                  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  
480    
481              Pos = newPos;      uint8_t Voice::GetVCFResonanceCtrl() {
482              i = iSubFragmentEnd;          uint8_t ctrl;
483            switch (pRegion->VCFResonanceController) {
484                case ::gig::vcf_res_ctrl_genpurpose3:
485                    ctrl = 18;
486                    break;
487                case ::gig::vcf_res_ctrl_genpurpose4:
488                    ctrl = 19;
489                    break;
490                case ::gig::vcf_res_ctrl_genpurpose5:
491                    ctrl = 80;
492                    break;
493                case ::gig::vcf_res_ctrl_genpurpose6:
494                    ctrl = 81;
495                    break;
496                case ::gig::vcf_res_ctrl_none:
497                default:
498                    ctrl = 0;
499          }          }
     }  
500    
501      /** @brief Update current portamento position.          return ctrl;
502       *      }
      * 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  
503    
504          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
505          this->itKillEvent = itKillEvent;          EG1.setStateOptions(
506                pRegion->EG1Options.AttackCancel,
507                pRegion->EG1Options.AttackHoldCancel,
508                pRegion->EG1Options.Decay1Cancel,
509                pRegion->EG1Options.Decay2Cancel,
510                pRegion->EG1Options.ReleaseCancel
511            );
512            EG1.trigger(pRegion->EG1PreAttack,
513                        (pNote && pNote->Override.Attack.isFinal()) ?
514                            pNote->Override.Attack.Value :
515                            RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
516                        pRegion->EG1Hold,
517                        (pNote && pNote->Override.Decay.isFinal()) ?
518                            pNote->Override.Decay.Value :
519                            pRegion->EG1Decay1 * egInfo.Decay * velrelease,
520                        (pNote && pNote->Override.Decay.isFinal()) ?
521                            pNote->Override.Decay.Value :
522                            pRegion->EG1Decay2 * egInfo.Decay * velrelease,
523                        pRegion->EG1InfiniteSustain,
524                        (pNote && pNote->Override.Sustain.Final) ?
525                            uint(pNote->Override.Sustain.Value * 1000.f) :
526                            pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
527                        (pNote && pNote->Override.Release.isFinal()) ?
528                            pNote->Override.Release.Value :
529                            RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
530                        velocityAttenuation,
531                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
532        }
533    
534        void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
535            EG2.setStateOptions(
536                pRegion->EG2Options.AttackCancel,
537                pRegion->EG2Options.AttackHoldCancel,
538                pRegion->EG2Options.Decay1Cancel,
539                pRegion->EG2Options.Decay2Cancel,
540                pRegion->EG2Options.ReleaseCancel
541            );
542            EG2.trigger(uint(RgnInfo.EG2PreAttack),
543                        (pNote && pNote->Override.CutoffAttack.isFinal()) ?
544                            pNote->Override.CutoffAttack.Value :
545                            RgnInfo.EG2Attack * egInfo.Attack,
546                        false,
547                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
548                            pNote->Override.CutoffDecay.Value :
549                            RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
550                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
551                            pNote->Override.CutoffDecay.Value :
552                            RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
553                        RgnInfo.EG2InfiniteSustain,
554                        (pNote && pNote->Override.CutoffSustain.Final) ?
555                            uint(pNote->Override.CutoffSustain.Value * 1000.f) :
556                            uint(RgnInfo.EG2Sustain),
557                        (pNote && pNote->Override.CutoffRelease.isFinal()) ?
558                            pNote->Override.CutoffRelease.Value :
559                            RgnInfo.EG2Release * egInfo.Release * velrelease,
560                        velocityAttenuation,
561                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
562        }
563    
564        void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
565            dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
566    
567            // TODO: The SustainPedal condition could be wrong, maybe the
568            // check should be if this Voice is in release stage or is a
569            // release sample instead. Need to test this in GSt.
570            // -- Andreas
571            //
572            // Commented sustain pedal check out. I don't think voices of the same
573            // note should be stopped at all, because it doesn't sound naturally
574            // with a drumkit.
575            // -- Christian, 2013-01-08
576            if (itEvent->Param.Note.Key != HostKey() /*||
577                !GetGigEngineChannel()->SustainPedal*/) {
578                dmsg(4,("Voice %p - kill", (void*)this));
579    
580                // kill the voice fast
581                pEG1->enterFadeOutStage();
582            }
583        }
584    
585        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
586            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
587        }
588    
589        int Voice::CalculatePan(uint8_t pan) {
590            int p;
591            // Gst behaviour: -64 and 63 are special cases
592            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
593            else if (RgnInfo.Pan == 63) p = pan * 2;
594            else                        p = pan + RgnInfo.Pan;
595    
596            if (p < 0) return 0;
597            if (p > 127) return 127;
598            return p;
599        }
600    
601        release_trigger_t Voice::GetReleaseTriggerFlags() {
602            release_trigger_t flags =
603                (pRegion->NoNoteOffReleaseTrigger) ?
604                    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
605            switch (pRegion->SustainReleaseTrigger) {
606                case ::gig::sust_rel_trg_none:
607                    break;
608                case ::gig::sust_rel_trg_maxvelocity:
609                    flags |= release_trigger_sustain_maxvelocity;
610                    break;
611                case ::gig::sust_rel_trg_keyvelocity:
612                    flags |= release_trigger_sustain_keyvelocity;
613                    break;
614            }
615            return flags;
616      }      }
617    
618  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
Legend:
Removed from v.830  
changed lines
  Added in v.3625
  ViewVC Help
Powered by ViewVC