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

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revision 947 by schoenebeck, Mon Nov 27 21:34:55 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      Voice::Voice() {      // sanity checks: fromGigLfoWave() assumes equally mapped enums
37          pEngine     = NULL;      static_assert(int64_t(::gig::lfo_wave_sine) == int64_t(LFO::wave_sine),
38          pDiskThread = NULL;                    "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
39          PlaybackState = playback_state_end;      static_assert(int64_t(::gig::lfo_wave_triangle) == int64_t(LFO::wave_triangle),
40          pLFO1 = new LFOUnsigned(1.0f);  // amplitude EG (0..1 range)                    "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
41          pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)      static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw),
42          pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)                    "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
43          KeyGroup = 0;      static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square),
44          SynthesisMode = 0; // set all mode bits to 0 first                    "enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t");
45          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))  
46          #if CONFIG_ASM && ARCH_X86      // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
47          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());      inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
48          #else          // simply assuming equally mapped enums on both sides
49          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);          return static_cast<LFO::wave_t>(wave);
50          #endif      }
         SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, Profiler::isEnabled());  
51    
52          finalSynthesisParameters.filterLeft.Reset();      Voice::Voice() {
53          finalSynthesisParameters.filterRight.Reset();          pEngine = NULL;
54            pEG1 = &EG1;
55            pEG2 = &EG2;
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);  
   
         // For 16 bit samples, we downscale by 32768 to convert from  
         // int16 value range to DSP value range (which is  
         // -1.0..1.0). For 24 bit, we downscale from int32.  
         float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f);  
   
         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;  
         }  
   
         // select channel mode (mono or stereo)  
         SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);  
         // select bit depth (16 or 24)  
         SYNTHESIS_MODE_SET_BITDEPTH24(SynthesisMode, pSample->BitDepth == 24);  
   
         // get starting crossfade volume level  
         float crossfadeVolume;  
         switch (pDimRgn->AttenuationController.type) {  
             case ::gig::attenuation_ctrl_t::type_channelaftertouch:  
                 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[128])];  
                 break;  
             case ::gig::attenuation_ctrl_t::type_velocity:  
                 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity)];  
                 break;  
             case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate  
                 crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number])];  
                 break;  
             case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined  
             default:  
                 crossfadeVolume = 1.0f;  
         }  
   
         VolumeLeft  = volume * Engine::PanCurve[64 - pDimRgn->Pan];  
         VolumeRight = volume * Engine::PanCurve[64 + pDimRgn->Pan];  
   
         float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;  
         CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);  
         VolumeSmoother.trigger(pEngineChannel->GlobalVolume * pEngineChannel->MidiVolume, subfragmentRate);  
         PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);  
         PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);  
   
         finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)  
         Pos = pDimRgn->SampleStartOffset;  
   
         // Check if the sample needs disk streaming or is too short for that  
         long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;  
         DiskVoice          = cachedsamples < pSample->SamplesTotal;  
   
         const DLS::sample_loop_t& loopinfo = pDimRgn->pSampleLoops[0];  
   
         if (DiskVoice) { // voice to be streamed from disk  
             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)  
   
             // check if there's a loop defined which completely fits into the cached (RAM) part of the sample  
             RAMLoop = (pDimRgn->SampleLoops && (loopinfo.LoopStart + loopinfo.LoopLength) <= MaxRAMPos);  
   
             if (pDiskThread->OrderNewStream(&DiskStreamRef, pDimRgn, MaxRAMPos, !RAMLoop) < 0) {  
                 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 = (pDimRgn->SampleLoops != 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       = loopinfo.LoopStart;  
             loop.uiEnd         = loopinfo.LoopStart + loopinfo.LoopLength;  
             loop.uiSize        = loopinfo.LoopLength;  
         }  
   
         // 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 = pEngineChannel->ControllerTable[128];  
                     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;  
71    
72              // calculate influence of EG1 controller on EG1's parameters      Voice::SampleInfo Voice::GetSampleInfo() {
73              // (eg1attack is different from the others)          SampleInfo si;
74              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?          si.SampleRate       = pSample->SamplesPerSecond;
75                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?          si.ChannelCount     = pSample->Channels;
76                                        1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;          si.FrameSize        = pSample->FrameSize;
77              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;          si.BitDepth         = pSample->BitDepth;
78              double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0;          si.TotalFrameCount  = (uint)pSample->SamplesTotal;
   
             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);  
         }  
   
 #ifdef CONFIG_INTERPOLATE_VOLUME  
         // setup initial volume in synthesis parameters  
 #ifdef CONFIG_PROCESS_MUTED_CHANNELS  
         if (pEngineChannel->GetMute()) {  
             finalSynthesisParameters.fFinalVolumeLeft  = 0;  
             finalSynthesisParameters.fFinalVolumeRight = 0;  
         }  
         else  
 #else  
         {  
             float finalVolume = pEngineChannel->GlobalVolume * pEngineChannel->MidiVolume * crossfadeVolume * EG1.getLevel();  
   
             finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;  
             finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight;  
         }  
 #endif  
 #endif  
   
         // 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 = pEngineChannel->ControllerTable[128];  
                     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;  
79    
80              // calculate influence of EG2 controller on EG2's parameters          si.HasLoops       = pRegion->SampleLoops;
81              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
82              double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 1.0;          si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
83              double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0;          si.LoopPlayCount  = pSample->LoopPlayCount;
84            si.Unpitched      = !pRegion->PitchTrack;
             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_min,  
                                lfo1_internal_depth,  
                                pDimRgn->LFO1ControlDepth,  
                                pDimRgn->LFO1FlipPhase,  
                                pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 pLFO1->update(pLFO1->ExtController ? pEngineChannel->ControllerTable[pLFO1->ExtController] : 0);  
             }  
         }  
85    
86            return si;
87        }
88    
89          // setup LFO 2 (VCF Cutoff LFO)      Voice::RegionInfo Voice::GetRegionInfo() {
90          {          RegionInfo ri;
91              uint16_t lfo2_internal_depth;          ri.UnityNote = pRegion->UnityNote;
92              switch (pDimRgn->LFO2Controller) {          ri.FineTune  = pRegion->FineTune;
93                  case ::gig::lfo2_ctrl_internal:          ri.Pan       = pRegion->Pan;
94                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;          ri.SampleStartOffset = pRegion->SampleStartOffset;
                     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);  
                 pLFO2->update(pLFO2->ExtController ? pEngineChannel->ControllerTable[pLFO2->ExtController] : 0);  
             }  
         }  
   
95    
96          // setup LFO 3 (VCO LFO)          ri.EG2PreAttack        = pRegion->EG2PreAttack;
97          {          ri.EG2Attack           = pRegion->EG2Attack;
98              uint16_t lfo3_internal_depth;          ri.EG2Decay1           = pRegion->EG2Decay1;
99              switch (pDimRgn->LFO3Controller) {          ri.EG2Decay2           = pRegion->EG2Decay2;
100                  case ::gig::lfo3_ctrl_internal:          ri.EG2Sustain          = pRegion->EG2Sustain;
101                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;          ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
102                      pLFO3->ExtController = 0; // no external controller          ri.EG2Release          = pRegion->EG2Release;
                     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 = 128;  
                     bLFO3Enabled         = true;  
                     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 = 128;  
                     bLFO3Enabled         = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0);  
                     break;  
                 default:  
                     lfo3_internal_depth  = 0;  
                     pLFO3->ExtController = 0; // no external controller  
                     bLFO3Enabled         = false;  
             }  
             if (bLFO3Enabled) {  
                 pLFO3->trigger(pDimRgn->LFO3Frequency,  
                                start_level_mid,  
                                lfo3_internal_depth,  
                                pDimRgn->LFO3ControlDepth,  
                                false,  
                                pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 pLFO3->update(pLFO3->ExtController ? pEngineChannel->ControllerTable[pLFO3->ExtController] : 0);  
             }  
         }  
103    
104            ri.EG3Attack     = pRegion->EG3Attack;
105            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          #if CONFIG_FORCE_FILTER          ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
         const bool bUseFilter = true;  
         #else // use filter only if instrument file told so  
         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:  
                     VCFCutoffCtrl.controller = 128;  
                     break;  
                 case ::gig::vcf_cutoff_ctrl_none:  
                 default:  
                     VCFCutoffCtrl.controller = 0;  
                     break;  
             }  
             #endif // CONFIG_OVERRIDE_CUTOFF_CTRL  
111    
112              #ifdef CONFIG_OVERRIDE_RESONANCE_CTRL          return ri;
113              VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL;      }
             #else // use the one defined in the instrument file  
             switch (pDimRgn->VCFResonanceController) {  
                 case ::gig::vcf_res_ctrl_genpurpose3:  
                     VCFResonanceCtrl.controller = 18;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose4:  
                     VCFResonanceCtrl.controller = 19;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose5:  
                     VCFResonanceCtrl.controller = 80;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose6:  
                     VCFResonanceCtrl.controller = 81;  
                     break;  
                 case ::gig::vcf_res_ctrl_none:  
                 default:  
                     VCFResonanceCtrl.controller = 0;  
             }  
             #endif // CONFIG_OVERRIDE_RESONANCE_CTRL  
114    
115              #ifndef CONFIG_OVERRIDE_FILTER_TYPE      Voice::InstrumentInfo Voice::GetInstrumentInfo() {
116              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);          InstrumentInfo ii;
117              finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType);          ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
118              #else // override filter type          ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange;
             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;  
119    
120              int cvalue;          return ii;
121              if (VCFCutoffCtrl.controller) {      }
                 cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];  
                 if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;  
                 // VCFVelocityScale in this case means Minimum cutoff  
                 if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;  
             }  
             else {  
                 cvalue = pDimRgn->VCFCutoff;  
             }  
             cutoff *= float(cvalue);  
             if (cutoff > 127.0f) cutoff = 127.0f;  
122    
123              // calculate resonance      double Voice::GetSampleAttenuation() {
124              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance);          return pRegion->SampleAttenuation;
125        }
126    
127              VCFCutoffCtrl.fvalue    = cutoff;      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
128              VCFResonanceCtrl.fvalue = resonance;          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
129          }      }
         else {  
             VCFCutoffCtrl.controller    = 0;  
             VCFResonanceCtrl.controller = 0;  
         }  
130    
131          return 0; // success      double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
132            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
133      }      }
134    
135      /**      void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
136       *  Renders the audio data for this voice for the current audio fragment.          if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
137       *  The sample input data can either come from RAM (cached sample or sample              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
138       *  part) or directly from disk. The output signal will be rendered by                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
139       *  resampling / interpolation. If this voice is a disk streaming voice and                  CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
      *  the voice completely played back the cached RAM part of the sample, it  
      *  will automatically switch to disk playback for the next RenderAudio()  
      *  call.  
      *  
      *  @param Samples - number of samples to be rendered in this audio fragment cycle  
      */  
     void Voice::Render(uint Samples) {  
   
         // select default values for synthesis mode bits  
         SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);  
   
         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 = (sample_t*)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);  
140              }              }
141          }          }
142      }      }
143    
144      /**      void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
145       * Process given list of MIDI control change and pitch bend events for          if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event
146       * the given time.              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
147       *                  CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]);
      * @param itEvent - iterator pointing to the next event to be processed  
      * @param End     - youngest time stamp where processing should be stopped  
      */  
     void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {  
         for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {  
             if (itEvent->Type == Event::type_control_change &&  
                 itEvent->Param.CC.Controller) { // if (valid) MIDI control change event  
                 if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {  
                     processCutoffEvent(itEvent);  
                 }  
                 if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {  
                     processResonanceEvent(itEvent);  
                 }  
                 if (itEvent->Param.CC.Controller == pLFO1->ExtController) {  
                     pLFO1->update(itEvent->Param.CC.Value);  
                 }  
                 if (itEvent->Param.CC.Controller == pLFO2->ExtController) {  
                     pLFO2->update(itEvent->Param.CC.Value);  
                 }  
                 if (itEvent->Param.CC.Controller == pLFO3->ExtController) {  
                     pLFO3->update(itEvent->Param.CC.Value);  
                 }  
                 if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&  
                     itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {  
                     CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);  
                 }  
                 if (itEvent->Param.CC.Controller == 7) { // volume  
                     VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value]);  
                 } else if (itEvent->Param.CC.Controller == 10) { // panpot  
                     PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]);  
                     PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]);  
                 }  
             } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event  
                 processPitchEvent(itEvent);  
148              }              }
149          }          }
150      }      }
151    
152      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
153          const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents          // Not used so far
         finalSynthesisParameters.fFinalPitch *= pitch;  
         PitchBend = pitch;  
154      }      }
155    
156      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
157          int ccvalue = itEvent->Param.CC.Value;          int ccvalue = itEvent->Param.CC.Value;
158          if (VCFCutoffCtrl.value == ccvalue) return;          if (VCFCutoffCtrl.value == ccvalue) return;
159          VCFCutoffCtrl.value == ccvalue;          VCFCutoffCtrl.value = ccvalue;
160          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
161          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
162          float cutoff = CutoffBase * float(ccvalue);          float cutoff = CutoffBase * float(ccvalue);
163          if (cutoff > 127.0f) cutoff = 127.0f;          if (cutoff > 127.0f) cutoff = 127.0f;
164    
# Line 749  namespace LinuxSampler { namespace gig { Line 166  namespace LinuxSampler { namespace gig {
166          fFinalCutoff = cutoff;          fFinalCutoff = cutoff;
167      }      }
168    
169      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
170          // convert absolute controller value to differential          float crossfadeVolume;
171          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->AttenuationController.type) {
172          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
173          const float resonancedelta = (float) ctrldelta;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
174          fFinalResonance += resonancedelta;                  break;
175          // needed for initialization of parameter              case ::gig::attenuation_ctrl_t::type_velocity:
176          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value;                  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       *  Synthesizes the current audio fragment for this voice.                  break;
181       *              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
182       *  @param Samples - number of sample points to be rendered in this audio              default:
183       *                   fragment cycle                  crossfadeVolume = 1.0f;
184       *  @param pSrc    - pointer to input sample data          }
      *  @param Skip    - number of sample points to skip in output buffer  
      */  
     void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {  
         finalSynthesisParameters.pOutLeft  = &pEngineChannel->pOutputLeft[Skip];  
         finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip];  
         finalSynthesisParameters.pSrc      = pSrc;  
   
         RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();  
         RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();  
   
         if (Skip) { // skip events that happened before this voice was triggered  
             while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;  
             while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;  
         }  
   
         uint killPos;  
         if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos);  
   
         uint i = Skip;  
         while (i < Samples) {  
             int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);  
   
             // initialize all final synthesis parameters  
             finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;  
             fFinalCutoff    = VCFCutoffCtrl.fvalue;  
             fFinalResonance = VCFResonanceCtrl.fvalue;  
   
             // process MIDI control change and pitchbend events for this subfragment  
             processCCEvents(itCCEvent, iSubFragmentEnd);  
   
             float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();  
 #ifdef CONFIG_PROCESS_MUTED_CHANNELS  
             if (pEngineChannel->GetMute()) fFinalVolume = 0;  
 #endif  
   
             // process transition events (note on, note off & sustain pedal)  
             processTransitionEvents(itNoteEvent, iSubFragmentEnd);  
   
             // if the voice was killed in this subfragment switch EG1 to fade out stage  
             if (itKillEvent && killPos <= iSubFragmentEnd) {  
                 EG1.enterFadeOutStage();  
                 itKillEvent = Pool<Event>::Iterator();  
             }  
185    
186              // process envelope generators          return crossfadeVolume;
187              switch (EG1.getSegmentType()) {      }
                 case EGADSR::segment_lin:  
                     fFinalVolume *= EG1.processLin();  
                     break;  
                 case EGADSR::segment_exp:  
                     fFinalVolume *= EG1.processExp();  
                     break;  
                 case EGADSR::segment_end:  
                     fFinalVolume *= EG1.getLevel();  
                     break; // noop  
             }  
             switch (EG2.getSegmentType()) {  
                 case EGADSR::segment_lin:  
                     fFinalCutoff *= EG2.processLin();  
                     break;  
                 case EGADSR::segment_exp:  
                     fFinalCutoff *= EG2.processExp();  
                     break;  
                 case EGADSR::segment_end:  
                     fFinalCutoff *= EG2.getLevel();  
                     break; // noop  
             }  
             if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();  
188    
189              // process low frequency oscillators      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
190              if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());          double eg1controllervalue = 0;
191              if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();          switch (pRegion->EG1Controller.type) {
192              if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());              case ::gig::eg1_ctrl_t::type_none: // no controller defined
193                    eg1controllervalue = 0;
194              // if filter enabled then update filter coefficients                  break;
195              if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {              case ::gig::eg1_ctrl_t::type_channelaftertouch:
196                  finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
197                  finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);                  break;
198              }              case ::gig::eg1_ctrl_t::type_velocity:
199                    eg1controllervalue = MIDIKeyVelocity;
200                    break;
201                case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
202                    eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
203                    break;
204            }
205            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
206    
207              // do we need resampling?          return eg1controllervalue;
208              const float __PLUS_ONE_CENT  = 1.000577789506554859250142541782224725466f;      }
             const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f;  
             const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT &&  
                                                finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT);  
             SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);  
   
             // prepare final synthesis parameters structure  
             finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;  
 #ifdef CONFIG_INTERPOLATE_VOLUME  
             finalSynthesisParameters.fFinalVolumeDeltaLeft  =  
                 (fFinalVolume * VolumeLeft  * PanLeftSmoother.render() -  
                  finalSynthesisParameters.fFinalVolumeLeft) / finalSynthesisParameters.uiToGo;  
             finalSynthesisParameters.fFinalVolumeDeltaRight =  
                 (fFinalVolume * VolumeRight * PanRightSmoother.render() -  
                  finalSynthesisParameters.fFinalVolumeRight) / finalSynthesisParameters.uiToGo;  
 #else  
             finalSynthesisParameters.fFinalVolumeLeft  =  
                 fFinalVolume * VolumeLeft  * PanLeftSmoother.render();  
             finalSynthesisParameters.fFinalVolumeRight =  
                 fFinalVolume * VolumeRight * PanRightSmoother.render();  
 #endif  
             // render audio for one subfragment  
             RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);  
   
             // stop the rendering if volume EG is finished  
             if (EG1.getSegmentType() == EGADSR::segment_end) break;  
   
             const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;  
   
             // increment envelopes' positions  
             if (EG1.active()) {  
   
                 // if sample has a loop and loop start has been reached in this subfragment, send a special event to EG1 to let it finish the attack hold stage  
                 if (pDimRgn->SampleLoops && Pos <= pDimRgn->pSampleLoops[0].LoopStart && pDimRgn->pSampleLoops[0].LoopStart < newPos) {  
                     EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 }  
209    
210                  EG1.increment(1);      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
211                  if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);          EGInfo eg;
212              }          // (eg1attack is different from the others)
213              if (EG2.active()) {          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
214                  EG2.increment(1);              (pRegion->EG1ControllerAttackInfluence == 0 ||
215                  if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);               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              EG3.increment(1);          } else {
218              if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
219                    1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
220                                          1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
221            }
222            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    
225            return eg;
226        }
227    
228        double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
229            double eg2controllervalue = 0;
230            switch (pRegion->EG2Controller.type) {
231                case ::gig::eg2_ctrl_t::type_none: // no controller defined
232                    eg2controllervalue = 0;
233                    break;
234                case ::gig::eg2_ctrl_t::type_channelaftertouch:
235                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
236                    break;
237                case ::gig::eg2_ctrl_t::type_velocity:
238                    eg2controllervalue = MIDIKeyVelocity;
239                    break;
240                case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
241                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
242                    break;
243            }
244            if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
245    
246            return eg2controllervalue;
247        }
248    
249        Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
250            EGInfo eg;
251            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              Pos = newPos;          return eg;
256              i = iSubFragmentEnd;      }
257    
258        void Voice::InitLFO1() {
259            uint16_t lfo1_internal_depth;
260            switch (pRegion->LFO1Controller) {
261                case ::gig::lfo1_ctrl_internal:
262                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
263                    pLFO1->ExtController = 0; // no external controller
264                    bLFO1Enabled         = (lfo1_internal_depth > 0);
265                    break;
266                case ::gig::lfo1_ctrl_modwheel:
267                    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      /** @brief Update current portamento position.      void Voice::InitLFO2() {
317       *          uint16_t lfo2_internal_depth;
318       * Will be called when portamento mode is enabled to get the final          switch (pRegion->LFO2Controller) {
319       * portamento position of this active voice from where the next voice(s)              case ::gig::lfo2_ctrl_internal:
320       * might continue to slide on.                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
321       *                  pLFO2->ExtController = 0; // no external controller
322       * @param itNoteOffEvent - event which causes this voice to die soon                  bLFO2Enabled         = (lfo2_internal_depth > 0);
323       */                  break;
324      void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {              case ::gig::lfo2_ctrl_modwheel:
325          const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());                  lfo2_internal_depth  = 0;
326          pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;                  pLFO2->ExtController = 1; // MIDI controller 1
327      }                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
328                    break;
329      /**              case ::gig::lfo2_ctrl_foot:
330       *  Immediately kill the voice. This method should not be used to kill                  lfo2_internal_depth  = 0;
331       *  a normal, active voice, because it doesn't take care of things like                  pLFO2->ExtController = 4; // MIDI controller 4
332       *  fading down the volume level to avoid clicks and regular processing                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
333       *  until the kill event actually occured!                  break;
334       *              case ::gig::lfo2_ctrl_internal_modwheel:
335       *  @see Kill()                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
336       */                  pLFO2->ExtController = 1; // MIDI controller 1
337      void Voice::KillImmediately() {                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
338          if (DiskVoice && DiskStreamRef.State != Stream::state_unused) {                  break;
339              pDiskThread->OrderDeletionOfStream(&DiskStreamRef);              case ::gig::lfo2_ctrl_internal_foot:
340          }                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
341          Reset();                  pLFO2->ExtController = 4; // MIDI controller 4
342      }                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
343                    break;
344      /**              default:
345       *  Kill the voice in regular sense. Let the voice render audio until                  lfo2_internal_depth  = 0;
346       *  the kill event actually occured and then fade down the volume level                  pLFO2->ExtController = 0; // no external controller
347       *  very quickly and let the voice die finally. Unlike a normal release                  bLFO2Enabled         = false;
348       *  of a voice, a kill process cannot be cancalled and is therefore          }
349       *  usually used for voice stealing and key group conflicts.          if (bLFO2Enabled) {
350       *              pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
351       *  @param itKillEvent - event which caused the voice to be killed                             pRegion->LFO2Frequency,
352       */                             pRegion->LFO2Phase,
353      void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {                             LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
354          #if CONFIG_DEVMODE                             lfo2_internal_depth,
355          if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));                             pRegion->LFO2ControlDepth,
356          if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));                             pRegion->LFO2FlipPhase,
357          #endif // CONFIG_DEVMODE                             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          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;      void Voice::InitLFO3() {
371          this->itKillEvent = itKillEvent;          uint16_t lfo3_internal_depth;
372            switch (pRegion->LFO3Controller) {
373                case ::gig::lfo3_ctrl_internal:
374                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
375                    pLFO3->ExtController = 0; // no external controller
376                    bLFO3Enabled         = (lfo3_internal_depth > 0);
377                    break;
378                case ::gig::lfo3_ctrl_modwheel:
379                    lfo3_internal_depth  = 0;
380                    pLFO3->ExtController = 1; // MIDI controller 1
381                    bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
382                    break;
383                case ::gig::lfo3_ctrl_aftertouch:
384                    lfo3_internal_depth  = 0;
385                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
386                    bLFO3Enabled         = true;
387                    break;
388                case ::gig::lfo3_ctrl_internal_modwheel:
389                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
390                    pLFO3->ExtController = 1; // MIDI controller 1
391                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
392                    break;
393                case ::gig::lfo3_ctrl_internal_aftertouch:
394                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
395                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
396                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
397                    break;
398                default:
399                    lfo3_internal_depth  = 0;
400                    pLFO3->ExtController = 0; // no external controller
401                    bLFO3Enabled         = false;
402            }
403            if (bLFO3Enabled) {
404                pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
405                               pRegion->LFO3Frequency,
406                               pRegion->LFO3Phase,
407                               LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
408                               lfo3_internal_depth,
409                               pRegion->LFO3ControlDepth,
410                               pRegion->LFO3FlipPhase,
411                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
412                pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
413                pLFO3->setScriptDepthFactor(
414                    pNote->Override.PitchLFODepth.Value,
415                    pNote->Override.PitchLFODepth.Final
416                );
417                if (pNote->Override.PitchLFOFreq.isFinal())
418                    pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
419                else
420                    pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
421            }
422        }
423    
424        float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
425            float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
426            if (pRegion->VCFKeyboardTracking) {
427                cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
428            }
429            return cutoff;
430        }
431    
432        float Voice::CalculateFinalCutoff(float cutoffBase) {
433            int cvalue;
434            if (VCFCutoffCtrl.controller) {
435                cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
436                if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
437                // VCFVelocityScale in this case means Minimum cutoff
438                if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
439            }
440            else {
441                cvalue = pRegion->VCFCutoff;
442            }
443            float fco = cutoffBase * float(cvalue);
444            if (fco > 127.0f) fco = 127.0f;
445    
446            return fco;
447        }
448    
449        uint8_t Voice::GetVCFCutoffCtrl() {
450            uint8_t ctrl;
451            switch (pRegion->VCFCutoffController) {
452                case ::gig::vcf_cutoff_ctrl_modwheel:
453                    ctrl = 1;
454                    break;
455                case ::gig::vcf_cutoff_ctrl_effect1:
456                    ctrl = 12;
457                    break;
458                case ::gig::vcf_cutoff_ctrl_effect2:
459                    ctrl = 13;
460                    break;
461                case ::gig::vcf_cutoff_ctrl_breath:
462                    ctrl = 2;
463                    break;
464                case ::gig::vcf_cutoff_ctrl_foot:
465                    ctrl = 4;
466                    break;
467                case ::gig::vcf_cutoff_ctrl_sustainpedal:
468                    ctrl = 64;
469                    break;
470                case ::gig::vcf_cutoff_ctrl_softpedal:
471                    ctrl = 67;
472                    break;
473                case ::gig::vcf_cutoff_ctrl_genpurpose7:
474                    ctrl = 82;
475                    break;
476                case ::gig::vcf_cutoff_ctrl_genpurpose8:
477                    ctrl = 83;
478                    break;
479                case ::gig::vcf_cutoff_ctrl_aftertouch:
480                    ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
481                    break;
482                case ::gig::vcf_cutoff_ctrl_none:
483                default:
484                    ctrl = 0;
485                    break;
486            }
487    
488            return ctrl;
489        }
490    
491        uint8_t Voice::GetVCFResonanceCtrl() {
492            uint8_t ctrl;
493            switch (pRegion->VCFResonanceController) {
494                case ::gig::vcf_res_ctrl_genpurpose3:
495                    ctrl = 18;
496                    break;
497                case ::gig::vcf_res_ctrl_genpurpose4:
498                    ctrl = 19;
499                    break;
500                case ::gig::vcf_res_ctrl_genpurpose5:
501                    ctrl = 80;
502                    break;
503                case ::gig::vcf_res_ctrl_genpurpose6:
504                    ctrl = 81;
505                    break;
506                case ::gig::vcf_res_ctrl_none:
507                default:
508                    ctrl = 0;
509            }
510    
511            return ctrl;
512        }
513    
514        void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
515            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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