/[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 877 by persson, Sun Jun 25 13:54:17 2006 UTC revision 3626 by schoenebeck, Thu Oct 3 14:40:17 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(::gig::lfo_wave_sine == LFO::wave_sine);
38          pDiskThread = NULL;      static_assert(::gig::lfo_wave_triangle == LFO::wave_triangle);
39          PlaybackState = playback_state_end;      static_assert(::gig::lfo_wave_saw == LFO::wave_saw);
40          pLFO1 = new LFOUnsigned(1.0f);  // amplitude EG (0..1 range)      static_assert(::gig::lfo_wave_square == LFO::wave_square);
41          pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)  
42          pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)      // converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler)
43          KeyGroup = 0;      inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) {
44          SynthesisMode = 0; // set all mode bits to 0 first          // simply assuming equally mapped enums on both sides
45          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))          return static_cast<LFO::wave_t>(wave);
46          #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());  
47    
48          finalSynthesisParameters.filterLeft.Reset();      Voice::Voice() {
49          finalSynthesisParameters.filterRight.Reset();          pEngine = NULL;
50            pEG1 = &EG1;
51            pEG2 = &EG2;
52      }      }
53    
54      Voice::~Voice() {      Voice::~Voice() {
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
55      }      }
56    
57      void Voice::SetEngine(Engine* pEngine) {      EngineChannel* Voice::GetGigEngineChannel() {
58          this->pEngine     = pEngine;          return static_cast<EngineChannel*>(pEngineChannel);
         this->pDiskThread = pEngine->pDiskThread;  
         dmsg(6,("Voice::SetEngine()\n"));  
59      }      }
60    
61      /**      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
62       *  Initializes and triggers the voice, a disk stream will be launched if          Engine* engine = static_cast<Engine*>(pEngine);
63       *  needed.          this->pEngine     = engine;
64       *          this->pDiskThread = engine->pDiskThread;
65       *  @param pEngineChannel - engine channel on which this voice was ordered          dmsg(6,("Voice::SetEngine()\n"));
66       *  @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);  
   
         float 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;  
         }  
   
         // select channel mode (mono or stereo)  
         SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);  
   
         // get starting crossfade volume level  
         float crossfadeVolume;  
         switch (pDimRgn->AttenuationController.type) {  
             case ::gig::attenuation_ctrl_t::type_channelaftertouch:  
                 crossfadeVolume = 1.0f; //TODO: aftertouch not supported yet  
                 break;  
             case ::gig::attenuation_ctrl_t::type_velocity:  
                 crossfadeVolume = 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, 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 = 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;  
67    
68              // calculate influence of EG1 controller on EG1's parameters      Voice::SampleInfo Voice::GetSampleInfo() {
69              // (eg1attack is different from the others)          SampleInfo si;
70              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?          si.SampleRate       = pSample->SamplesPerSecond;
71                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?          si.ChannelCount     = pSample->Channels;
72                                        1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;          si.FrameSize        = pSample->FrameSize;
73              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;          si.BitDepth         = pSample->BitDepth;
74              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 * 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 = 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;  
75    
76              // calculate influence of EG2 controller on EG2's parameters          si.HasLoops       = pRegion->SampleLoops;
77              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
78              double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 1.0;          si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
79              double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0;          si.LoopPlayCount  = pSample->LoopPlayCount;
80            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_max,  
                                lfo1_internal_depth,  
                                pDimRgn->LFO1ControlDepth,  
                                pDimRgn->LFO1FlipPhase,  
                                pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 pLFO1->update(pLFO1->ExtController ? pEngineChannel->ControllerTable[pLFO1->ExtController] : 0);  
             }  
         }  
81    
82            return si;
83        }
84    
85          // setup LFO 2 (VCF Cutoff LFO)      Voice::RegionInfo Voice::GetRegionInfo() {
86          {          RegionInfo ri;
87              uint16_t lfo2_internal_depth;          ri.UnityNote = pRegion->UnityNote;
88              switch (pDimRgn->LFO2Controller) {          ri.FineTune  = pRegion->FineTune;
89                  case ::gig::lfo2_ctrl_internal:          ri.Pan       = pRegion->Pan;
90                      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);  
             }  
         }  
91    
92            ri.EG2PreAttack        = pRegion->EG2PreAttack;
93            ri.EG2Attack           = pRegion->EG2Attack;
94            ri.EG2Decay1           = pRegion->EG2Decay1;
95            ri.EG2Decay2           = pRegion->EG2Decay2;
96            ri.EG2Sustain          = pRegion->EG2Sustain;
97            ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
98            ri.EG2Release          = pRegion->EG2Release;
99    
100          // setup LFO 3 (VCO LFO)          ri.EG3Attack     = pRegion->EG3Attack;
101          {          ri.EG3Depth      = pRegion->EG3Depth;
102              uint16_t lfo3_internal_depth;          ri.VCFEnabled    = pRegion->VCFEnabled;
103              switch (pDimRgn->LFO3Controller) {          ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
104                  case ::gig::lfo3_ctrl_internal:          ri.VCFResonance  = pRegion->VCFResonance;
                     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;  
             }  
             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);  
             }  
         }  
105    
106            ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay);
107    
108          #if CONFIG_FORCE_FILTER          return ri;
109          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: //TODO: not implemented yet  
                 case ::gig::vcf_cutoff_ctrl_none:  
                 default:  
                     VCFCutoffCtrl.controller = 0;  
                     break;  
             }  
             #endif // CONFIG_OVERRIDE_CUTOFF_CTRL  
   
             #ifdef CONFIG_OVERRIDE_RESONANCE_CTRL  
             VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL;  
             #else // use the one defined in the instrument file  
             switch (pDimRgn->VCFResonanceController) {  
                 case ::gig::vcf_res_ctrl_genpurpose3:  
                     VCFResonanceCtrl.controller = 18;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose4:  
                     VCFResonanceCtrl.controller = 19;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose5:  
                     VCFResonanceCtrl.controller = 80;  
                     break;  
                 case ::gig::vcf_res_ctrl_genpurpose6:  
                     VCFResonanceCtrl.controller = 81;  
                     break;  
                 case ::gig::vcf_res_ctrl_none:  
                 default:  
                     VCFResonanceCtrl.controller = 0;  
             }  
             #endif // CONFIG_OVERRIDE_RESONANCE_CTRL  
110    
111              #ifndef CONFIG_OVERRIDE_FILTER_TYPE      Voice::InstrumentInfo Voice::GetInstrumentInfo() {
112              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);          InstrumentInfo ii;
113              finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType);          ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
114              #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;  
115    
116              int cvalue;          return ii;
117              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;  
118    
119              // calculate resonance      double Voice::GetSampleAttenuation() {
120              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance);          return pRegion->SampleAttenuation;
121        }
122    
123              VCFCutoffCtrl.fvalue    = cutoff;      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
124              VCFResonanceCtrl.fvalue = resonance;          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
125          }      }
         else {  
             VCFCutoffCtrl.controller    = 0;  
             VCFResonanceCtrl.controller = 0;  
         }  
126    
127          return 0; // success      double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
128            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
129      }      }
130    
131      /**      void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
132       *  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
133       *  The sample input data can either come from RAM (cached sample or sample              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
134       *  part) or directly from disk. The output signal will be rendered by                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
135       *  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 = 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);  
136              }              }
137          }          }
138      }      }
139    
140      /**      void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
141       * 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
142       * the given time.              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
143       *                  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] * CONFIG_GLOBAL_ATTENUATION);  
                 } 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);  
144              }              }
145          }          }
146      }      }
147    
148      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
149          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;  
150      }      }
151    
152      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
153          int ccvalue = itEvent->Param.CC.Value;          int ccvalue = itEvent->Param.CC.Value;
154          if (VCFCutoffCtrl.value == ccvalue) return;          if (VCFCutoffCtrl.value == ccvalue) return;
155          VCFCutoffCtrl.value == ccvalue;          VCFCutoffCtrl.value = ccvalue;
156          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
157          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
158          float cutoff = CutoffBase * float(ccvalue);          float cutoff = CutoffBase * float(ccvalue);
159          if (cutoff > 127.0f) cutoff = 127.0f;          if (cutoff > 127.0f) cutoff = 127.0f;
160    
# Line 742  namespace LinuxSampler { namespace gig { Line 162  namespace LinuxSampler { namespace gig {
162          fFinalCutoff = cutoff;          fFinalCutoff = cutoff;
163      }      }
164    
165      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
166          // convert absolute controller value to differential          float crossfadeVolume;
167          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->AttenuationController.type) {
168          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
169          const float resonancedelta = (float) ctrldelta;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
170          fFinalResonance += resonancedelta;                  break;
171          // needed for initialization of parameter              case ::gig::attenuation_ctrl_t::type_velocity:
172          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
173      }                  break;
174                case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
175      /**                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
176       *  Synthesizes the current audio fragment for this voice.                  break;
177       *              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
178       *  @param Samples - number of sample points to be rendered in this audio              default:
179       *                   fragment cycle                  crossfadeVolume = 1.0f;
180       *  @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();  
             }  
181    
182              // process envelope generators          return crossfadeVolume;
183              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();  
184    
185              // process low frequency oscillators      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
186              if (bLFO1Enabled) fFinalVolume *= pLFO1->render();          double eg1controllervalue = 0;
187              if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();          switch (pRegion->EG1Controller.type) {
188              if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());              case ::gig::eg1_ctrl_t::type_none: // no controller defined
189                    eg1controllervalue = 0;
190              // if filter enabled then update filter coefficients                  break;
191              if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {              case ::gig::eg1_ctrl_t::type_channelaftertouch:
192                  finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
193                  finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);                  break;
194              }              case ::gig::eg1_ctrl_t::type_velocity:
195                    eg1controllervalue = MIDIKeyVelocity;
196                    break;
197                case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
198                    eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
199                    break;
200            }
201            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
202    
203              // do we need resampling?          return eg1controllervalue;
204              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);  
                 }  
205    
206                  EG1.increment(1);      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
207                  if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);          EGInfo eg;
208              }          // (eg1attack is different from the others)
209              if (EG2.active()) {          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
210                  EG2.increment(1);              (pRegion->EG1ControllerAttackInfluence == 0 ||
211                  if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);               eg1ControllerValue <= 10)) { // strange GSt special case
212              }              eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
213              EG3.increment(1);          } else {
214              if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
215                    1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
216                                          1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
217            }
218            eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
219            eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
220    
221            return eg;
222        }
223    
224        double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
225            double eg2controllervalue = 0;
226            switch (pRegion->EG2Controller.type) {
227                case ::gig::eg2_ctrl_t::type_none: // no controller defined
228                    eg2controllervalue = 0;
229                    break;
230                case ::gig::eg2_ctrl_t::type_channelaftertouch:
231                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
232                    break;
233                case ::gig::eg2_ctrl_t::type_velocity:
234                    eg2controllervalue = MIDIKeyVelocity;
235                    break;
236                case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
237                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
238                    break;
239            }
240            if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
241    
242            return eg2controllervalue;
243        }
244    
245        Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
246            EGInfo eg;
247            eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
248            eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
249            eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
250    
251            return eg;
252        }
253    
254        void Voice::InitLFO1() {
255            uint16_t lfo1_internal_depth;
256            switch (pRegion->LFO1Controller) {
257                case ::gig::lfo1_ctrl_internal:
258                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
259                    pLFO1->ExtController = 0; // no external controller
260                    bLFO1Enabled         = (lfo1_internal_depth > 0);
261                    break;
262                case ::gig::lfo1_ctrl_modwheel:
263                    lfo1_internal_depth  = 0;
264                    pLFO1->ExtController = 1; // MIDI controller 1
265                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
266                    break;
267                case ::gig::lfo1_ctrl_breath:
268                    lfo1_internal_depth  = 0;
269                    pLFO1->ExtController = 2; // MIDI controller 2
270                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
271                    break;
272                case ::gig::lfo1_ctrl_internal_modwheel:
273                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
274                    pLFO1->ExtController = 1; // MIDI controller 1
275                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
276                    break;
277                case ::gig::lfo1_ctrl_internal_breath:
278                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
279                    pLFO1->ExtController = 2; // MIDI controller 2
280                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
281                    break;
282                default:
283                    lfo1_internal_depth  = 0;
284                    pLFO1->ExtController = 0; // no external controller
285                    bLFO1Enabled         = false;
286            }
287            if (bLFO1Enabled) {
288                pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm),
289                               pRegion->LFO1Frequency,
290                               pRegion->LFO1Phase,
291                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
292                               lfo1_internal_depth,
293                               pRegion->LFO1ControlDepth,
294                               pRegion->LFO1FlipPhase,
295                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
296                pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
297                pLFO1->setScriptDepthFactor(
298                    pNote->Override.AmpLFODepth.Value,
299                    pNote->Override.AmpLFODepth.Final
300                );
301                if (pNote->Override.AmpLFOFreq.isFinal())
302                    pLFO1->setScriptFrequencyFinal(
303                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
304                    );
305                else
306                    pLFO1->setScriptFrequencyFactor(
307                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
308                    );
309            }
310        }
311    
312        void Voice::InitLFO2() {
313            uint16_t lfo2_internal_depth;
314            switch (pRegion->LFO2Controller) {
315                case ::gig::lfo2_ctrl_internal:
316                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
317                    pLFO2->ExtController = 0; // no external controller
318                    bLFO2Enabled         = (lfo2_internal_depth > 0);
319                    break;
320                case ::gig::lfo2_ctrl_modwheel:
321                    lfo2_internal_depth  = 0;
322                    pLFO2->ExtController = 1; // MIDI controller 1
323                    bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
324                    break;
325                case ::gig::lfo2_ctrl_foot:
326                    lfo2_internal_depth  = 0;
327                    pLFO2->ExtController = 4; // MIDI controller 4
328                    bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
329                    break;
330                case ::gig::lfo2_ctrl_internal_modwheel:
331                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
332                    pLFO2->ExtController = 1; // MIDI controller 1
333                    bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
334                    break;
335                case ::gig::lfo2_ctrl_internal_foot:
336                    lfo2_internal_depth  = pRegion->LFO2InternalDepth;
337                    pLFO2->ExtController = 4; // MIDI controller 4
338                    bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
339                    break;
340                default:
341                    lfo2_internal_depth  = 0;
342                    pLFO2->ExtController = 0; // no external controller
343                    bLFO2Enabled         = false;
344            }
345            if (bLFO2Enabled) {
346                pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm),
347                               pRegion->LFO2Frequency,
348                               pRegion->LFO2Phase,
349                               LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
350                               lfo2_internal_depth,
351                               pRegion->LFO2ControlDepth,
352                               pRegion->LFO2FlipPhase,
353                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
354                pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
355                pLFO2->setScriptDepthFactor(
356                    pNote->Override.CutoffLFODepth.Value,
357                    pNote->Override.CutoffLFODepth.Final
358                );
359                if (pNote->Override.CutoffLFOFreq.isFinal())
360                    pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
361                else
362                    pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
363            }
364        }
365    
366        void Voice::InitLFO3() {
367            uint16_t lfo3_internal_depth;
368            switch (pRegion->LFO3Controller) {
369                case ::gig::lfo3_ctrl_internal:
370                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
371                    pLFO3->ExtController = 0; // no external controller
372                    bLFO3Enabled         = (lfo3_internal_depth > 0);
373                    break;
374                case ::gig::lfo3_ctrl_modwheel:
375                    lfo3_internal_depth  = 0;
376                    pLFO3->ExtController = 1; // MIDI controller 1
377                    bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
378                    break;
379                case ::gig::lfo3_ctrl_aftertouch:
380                    lfo3_internal_depth  = 0;
381                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
382                    bLFO3Enabled         = true;
383                    break;
384                case ::gig::lfo3_ctrl_internal_modwheel:
385                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
386                    pLFO3->ExtController = 1; // MIDI controller 1
387                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
388                    break;
389                case ::gig::lfo3_ctrl_internal_aftertouch:
390                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
391                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
392                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
393                    break;
394                default:
395                    lfo3_internal_depth  = 0;
396                    pLFO3->ExtController = 0; // no external controller
397                    bLFO3Enabled         = false;
398            }
399            if (bLFO3Enabled) {
400                pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm),
401                               pRegion->LFO3Frequency,
402                               pRegion->LFO3Phase,
403                               LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029
404                               lfo3_internal_depth,
405                               pRegion->LFO3ControlDepth,
406                               pRegion->LFO3FlipPhase,
407                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
408                pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
409                pLFO3->setScriptDepthFactor(
410                    pNote->Override.PitchLFODepth.Value,
411                    pNote->Override.PitchLFODepth.Final
412                );
413                if (pNote->Override.PitchLFOFreq.isFinal())
414                    pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
415                else
416                    pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
417            }
418        }
419    
420              Pos = newPos;      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
421              i = iSubFragmentEnd;          float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
422            if (pRegion->VCFKeyboardTracking) {
423                cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
424            }
425            return cutoff;
426        }
427    
428        float Voice::CalculateFinalCutoff(float cutoffBase) {
429            int cvalue;
430            if (VCFCutoffCtrl.controller) {
431                cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
432                if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
433                // VCFVelocityScale in this case means Minimum cutoff
434                if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
435          }          }
436            else {
437                cvalue = pRegion->VCFCutoff;
438            }
439            float fco = cutoffBase * float(cvalue);
440            if (fco > 127.0f) fco = 127.0f;
441    
442            return fco;
443      }      }
444    
445      /** @brief Update current portamento position.      uint8_t Voice::GetVCFCutoffCtrl() {
446       *          uint8_t ctrl;
447       * Will be called when portamento mode is enabled to get the final          switch (pRegion->VCFCutoffController) {
448       * portamento position of this active voice from where the next voice(s)              case ::gig::vcf_cutoff_ctrl_modwheel:
449       * might continue to slide on.                  ctrl = 1;
450       *                  break;
451       * @param itNoteOffEvent - event which causes this voice to die soon              case ::gig::vcf_cutoff_ctrl_effect1:
452       */                  ctrl = 12;
453      void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {                  break;
454          const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());              case ::gig::vcf_cutoff_ctrl_effect2:
455          pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;                  ctrl = 13;
456      }                  break;
457                case ::gig::vcf_cutoff_ctrl_breath:
458      /**                  ctrl = 2;
459       *  Immediately kill the voice. This method should not be used to kill                  break;
460       *  a normal, active voice, because it doesn't take care of things like              case ::gig::vcf_cutoff_ctrl_foot:
461       *  fading down the volume level to avoid clicks and regular processing                  ctrl = 4;
462       *  until the kill event actually occured!                  break;
463       *              case ::gig::vcf_cutoff_ctrl_sustainpedal:
464       *  @see Kill()                  ctrl = 64;
465       */                  break;
466      void Voice::KillImmediately() {              case ::gig::vcf_cutoff_ctrl_softpedal:
467          if (DiskVoice && DiskStreamRef.State != Stream::state_unused) {                  ctrl = 67;
468              pDiskThread->OrderDeletionOfStream(&DiskStreamRef);                  break;
469          }              case ::gig::vcf_cutoff_ctrl_genpurpose7:
470          Reset();                  ctrl = 82;
471      }                  break;
472                case ::gig::vcf_cutoff_ctrl_genpurpose8:
473      /**                  ctrl = 83;
474       *  Kill the voice in regular sense. Let the voice render audio until                  break;
475       *  the kill event actually occured and then fade down the volume level              case ::gig::vcf_cutoff_ctrl_aftertouch:
476       *  very quickly and let the voice die finally. Unlike a normal release                  ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
477       *  of a voice, a kill process cannot be cancalled and is therefore                  break;
478       *  usually used for voice stealing and key group conflicts.              case ::gig::vcf_cutoff_ctrl_none:
479       *              default:
480       *  @param itKillEvent - event which caused the voice to be killed                  ctrl = 0;
481       */                  break;
482      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  
483    
484          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;          return ctrl;
485          this->itKillEvent = itKillEvent;      }
486    
487        uint8_t Voice::GetVCFResonanceCtrl() {
488            uint8_t ctrl;
489            switch (pRegion->VCFResonanceController) {
490                case ::gig::vcf_res_ctrl_genpurpose3:
491                    ctrl = 18;
492                    break;
493                case ::gig::vcf_res_ctrl_genpurpose4:
494                    ctrl = 19;
495                    break;
496                case ::gig::vcf_res_ctrl_genpurpose5:
497                    ctrl = 80;
498                    break;
499                case ::gig::vcf_res_ctrl_genpurpose6:
500                    ctrl = 81;
501                    break;
502                case ::gig::vcf_res_ctrl_none:
503                default:
504                    ctrl = 0;
505            }
506    
507            return ctrl;
508        }
509    
510        void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
511            EG1.setStateOptions(
512                pRegion->EG1Options.AttackCancel,
513                pRegion->EG1Options.AttackHoldCancel,
514                pRegion->EG1Options.Decay1Cancel,
515                pRegion->EG1Options.Decay2Cancel,
516                pRegion->EG1Options.ReleaseCancel
517            );
518            EG1.trigger(pRegion->EG1PreAttack,
519                        (pNote && pNote->Override.Attack.isFinal()) ?
520                            pNote->Override.Attack.Value :
521                            RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
522                        pRegion->EG1Hold,
523                        (pNote && pNote->Override.Decay.isFinal()) ?
524                            pNote->Override.Decay.Value :
525                            pRegion->EG1Decay1 * egInfo.Decay * velrelease,
526                        (pNote && pNote->Override.Decay.isFinal()) ?
527                            pNote->Override.Decay.Value :
528                            pRegion->EG1Decay2 * egInfo.Decay * velrelease,
529                        pRegion->EG1InfiniteSustain,
530                        (pNote && pNote->Override.Sustain.Final) ?
531                            uint(pNote->Override.Sustain.Value * 1000.f) :
532                            pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
533                        (pNote && pNote->Override.Release.isFinal()) ?
534                            pNote->Override.Release.Value :
535                            RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
536                        velocityAttenuation,
537                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
538        }
539    
540        void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
541            EG2.setStateOptions(
542                pRegion->EG2Options.AttackCancel,
543                pRegion->EG2Options.AttackHoldCancel,
544                pRegion->EG2Options.Decay1Cancel,
545                pRegion->EG2Options.Decay2Cancel,
546                pRegion->EG2Options.ReleaseCancel
547            );
548            EG2.trigger(uint(RgnInfo.EG2PreAttack),
549                        (pNote && pNote->Override.CutoffAttack.isFinal()) ?
550                            pNote->Override.CutoffAttack.Value :
551                            RgnInfo.EG2Attack * egInfo.Attack,
552                        false,
553                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
554                            pNote->Override.CutoffDecay.Value :
555                            RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
556                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
557                            pNote->Override.CutoffDecay.Value :
558                            RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
559                        RgnInfo.EG2InfiniteSustain,
560                        (pNote && pNote->Override.CutoffSustain.Final) ?
561                            uint(pNote->Override.CutoffSustain.Value * 1000.f) :
562                            uint(RgnInfo.EG2Sustain),
563                        (pNote && pNote->Override.CutoffRelease.isFinal()) ?
564                            pNote->Override.CutoffRelease.Value :
565                            RgnInfo.EG2Release * egInfo.Release * velrelease,
566                        velocityAttenuation,
567                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
568        }
569    
570        void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
571            dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
572    
573            // TODO: The SustainPedal condition could be wrong, maybe the
574            // check should be if this Voice is in release stage or is a
575            // release sample instead. Need to test this in GSt.
576            // -- Andreas
577            //
578            // Commented sustain pedal check out. I don't think voices of the same
579            // note should be stopped at all, because it doesn't sound naturally
580            // with a drumkit.
581            // -- Christian, 2013-01-08
582            if (itEvent->Param.Note.Key != HostKey() /*||
583                !GetGigEngineChannel()->SustainPedal*/) {
584                dmsg(4,("Voice %p - kill", (void*)this));
585    
586                // kill the voice fast
587                pEG1->enterFadeOutStage();
588            }
589        }
590    
591        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
592            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
593        }
594    
595        int Voice::CalculatePan(uint8_t pan) {
596            int p;
597            // Gst behaviour: -64 and 63 are special cases
598            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
599            else if (RgnInfo.Pan == 63) p = pan * 2;
600            else                        p = pan + RgnInfo.Pan;
601    
602            if (p < 0) return 0;
603            if (p > 127) return 127;
604            return p;
605        }
606    
607        release_trigger_t Voice::GetReleaseTriggerFlags() {
608            release_trigger_t flags =
609                (pRegion->NoNoteOffReleaseTrigger) ?
610                    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
611            switch (pRegion->SustainReleaseTrigger) {
612                case ::gig::sust_rel_trg_none:
613                    break;
614                case ::gig::sust_rel_trg_maxvelocity:
615                    flags |= release_trigger_sustain_maxvelocity;
616                    break;
617                case ::gig::sust_rel_trg_keyvelocity:
618                    flags |= release_trigger_sustain_keyvelocity;
619                    break;
620            }
621            return flags;
622      }      }
623    
624  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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