/[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 3612 by schoenebeck, Mon Sep 30 18:03:43 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() {      Voice::Voice() {
37          pEngine     = NULL;          pEngine = NULL;
38          pDiskThread = NULL;          pEG1 = &EG1;
39          PlaybackState = playback_state_end;          pEG2 = &EG2;
         pLFO1 = new LFOUnsigned(1.0f);  // amplitude EG (0..1 range)  
         pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)  
         pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)  
         KeyGroup = 0;  
         SynthesisMode = 0; // set all mode bits to 0 first  
         // select synthesis implementation (currently either pure C++ or MMX+SSE(1))  
         #if CONFIG_ASM && ARCH_X86  
         SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());  
         #else  
         SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);  
         #endif  
         SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, Profiler::isEnabled());  
   
         finalSynthesisParameters.filterLeft.Reset();  
         finalSynthesisParameters.filterRight.Reset();  
40      }      }
41    
42      Voice::~Voice() {      Voice::~Voice() {
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
43      }      }
44    
45      void Voice::SetEngine(Engine* pEngine) {      EngineChannel* Voice::GetGigEngineChannel() {
46          this->pEngine     = pEngine;          return static_cast<EngineChannel*>(pEngineChannel);
         this->pDiskThread = pEngine->pDiskThread;  
         dmsg(6,("Voice::SetEngine()\n"));  
47      }      }
48    
49      /**      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
50       *  Initializes and triggers the voice, a disk stream will be launched if          Engine* engine = static_cast<Engine*>(pEngine);
51       *  needed.          this->pEngine     = engine;
52       *          this->pDiskThread = engine->pDiskThread;
53       *  @param pEngineChannel - engine channel on which this voice was ordered          dmsg(6,("Voice::SetEngine()\n"));
54       *  @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;  
55    
56              // calculate influence of EG1 controller on EG1's parameters      Voice::SampleInfo Voice::GetSampleInfo() {
57              // (eg1attack is different from the others)          SampleInfo si;
58              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?          si.SampleRate       = pSample->SamplesPerSecond;
59                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?          si.ChannelCount     = pSample->Channels;
60                                        1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;          si.FrameSize        = pSample->FrameSize;
61              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;          si.BitDepth         = pSample->BitDepth;
62              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;  
63    
64              // calculate influence of EG2 controller on EG2's parameters          si.HasLoops       = pRegion->SampleLoops;
65              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;          si.LoopStart      = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart  : 0;
66              double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 1.0;          si.LoopLength     = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0;
67              double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0;          si.LoopPlayCount  = pSample->LoopPlayCount;
68            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);  
             }  
         }  
69    
70            return si;
71        }
72    
73          // setup LFO 2 (VCF Cutoff LFO)      Voice::RegionInfo Voice::GetRegionInfo() {
74          {          RegionInfo ri;
75              uint16_t lfo2_internal_depth;          ri.UnityNote = pRegion->UnityNote;
76              switch (pDimRgn->LFO2Controller) {          ri.FineTune  = pRegion->FineTune;
77                  case ::gig::lfo2_ctrl_internal:          ri.Pan       = pRegion->Pan;
78                      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);  
             }  
         }  
   
79    
80          // setup LFO 3 (VCO LFO)          ri.EG2PreAttack        = pRegion->EG2PreAttack;
81          {          ri.EG2Attack           = pRegion->EG2Attack;
82              uint16_t lfo3_internal_depth;          ri.EG2Decay1           = pRegion->EG2Decay1;
83              switch (pDimRgn->LFO3Controller) {          ri.EG2Decay2           = pRegion->EG2Decay2;
84                  case ::gig::lfo3_ctrl_internal:          ri.EG2Sustain          = pRegion->EG2Sustain;
85                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;          ri.EG2InfiniteSustain  = pRegion->EG2InfiniteSustain;
86                      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 = 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);  
             }  
         }  
87    
88            ri.EG3Attack     = pRegion->EG3Attack;
89            ri.EG3Depth      = pRegion->EG3Depth;
90            ri.VCFEnabled    = pRegion->VCFEnabled;
91            ri.VCFType       = Filter::vcf_type_t(pRegion->VCFType);
92            ri.VCFResonance  = pRegion->VCFResonance;
93    
94          #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: //TODO: not implemented yet  
                 case ::gig::vcf_cutoff_ctrl_none:  
                 default:  
                     VCFCutoffCtrl.controller = 0;  
                     break;  
             }  
             #endif // CONFIG_OVERRIDE_CUTOFF_CTRL  
95    
96              #ifdef CONFIG_OVERRIDE_RESONANCE_CTRL          return ri;
97              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  
98    
99              #ifndef CONFIG_OVERRIDE_FILTER_TYPE      Voice::InstrumentInfo Voice::GetInstrumentInfo() {
100              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);          InstrumentInfo ii;
101              finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType);          ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune;
102              #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;  
103    
104              int cvalue;          return ii;
105              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;  
106    
107              // calculate resonance      double Voice::GetSampleAttenuation() {
108              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance);          return pRegion->SampleAttenuation;
109        }
110    
111              VCFCutoffCtrl.fvalue    = cutoff;      double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
112              VCFResonanceCtrl.fvalue = resonance;          return pRegion->GetVelocityAttenuation(MIDIKeyVelocity);
113          }      }
         else {  
             VCFCutoffCtrl.controller    = 0;  
             VCFResonanceCtrl.controller = 0;  
         }  
114    
115          return 0; // success      double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
116            return pRegion->GetVelocityRelease(MIDIKeyVelocity);
117      }      }
118    
119      /**      void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
120       *  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
121       *  The sample input data can either come from RAM (cached sample or sample              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
122       *  part) or directly from disk. The output signal will be rendered by                  itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
123       *  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);  
124              }              }
125          }          }
126      }      }
127    
128      /**      void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) {
129       * 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
130       * the given time.              if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) {
131       *                  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);  
132              }              }
133          }          }
134      }      }
135    
136      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) {
137          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;  
138      }      }
139    
140      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
141          int ccvalue = itEvent->Param.CC.Value;          int ccvalue = itEvent->Param.CC.Value;
142          if (VCFCutoffCtrl.value == ccvalue) return;          if (VCFCutoffCtrl.value == ccvalue) return;
143          VCFCutoffCtrl.value == ccvalue;          VCFCutoffCtrl.value = ccvalue;
144          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
145          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
146          float cutoff = CutoffBase * float(ccvalue);          float cutoff = CutoffBase * float(ccvalue);
147          if (cutoff > 127.0f) cutoff = 127.0f;          if (cutoff > 127.0f) cutoff = 127.0f;
148    
# Line 742  namespace LinuxSampler { namespace gig { Line 150  namespace LinuxSampler { namespace gig {
150          fFinalCutoff = cutoff;          fFinalCutoff = cutoff;
151      }      }
152    
153      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
154          // convert absolute controller value to differential          float crossfadeVolume;
155          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->AttenuationController.type) {
156          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
157          const float resonancedelta = (float) ctrldelta;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])];
158          fFinalResonance += resonancedelta;                  break;
159          // needed for initialization of parameter              case ::gig::attenuation_ctrl_t::type_velocity:
160          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value;                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
161      }                  break;
162                case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
163      /**                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
164       *  Synthesizes the current audio fragment for this voice.                  break;
165       *              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
166       *  @param Samples - number of sample points to be rendered in this audio              default:
167       *                   fragment cycle                  crossfadeVolume = 1.0f;
168       *  @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();  
             }  
169    
170              // process envelope generators          return crossfadeVolume;
171              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();  
172    
173              // process low frequency oscillators      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
174              if (bLFO1Enabled) fFinalVolume *= pLFO1->render();          double eg1controllervalue = 0;
175              if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();          switch (pRegion->EG1Controller.type) {
176              if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());              case ::gig::eg1_ctrl_t::type_none: // no controller defined
177                    eg1controllervalue = 0;
178              // if filter enabled then update filter coefficients                  break;
179              if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {              case ::gig::eg1_ctrl_t::type_channelaftertouch:
180                  finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);                  eg1controllervalue = GetGigEngineChannel()->ControllerTable[128];
181                  finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);                  break;
182              }              case ::gig::eg1_ctrl_t::type_velocity:
183                    eg1controllervalue = MIDIKeyVelocity;
184                    break;
185                case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
186                    eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
187                    break;
188            }
189            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
190    
191              // do we need resampling?          return eg1controllervalue;
192              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);  
                 }  
193    
194                  EG1.increment(1);      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
195                  if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);          EGInfo eg;
196              }          // (eg1attack is different from the others)
197              if (EG2.active()) {          if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0
198                  EG2.increment(1);              (pRegion->EG1ControllerAttackInfluence == 0 ||
199                  if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);               eg1ControllerValue <= 10)) { // strange GSt special case
200              }              eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger
201              EG3.increment(1);          } else {
202              if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached              eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
203                    1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
204                                          1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
205            }
206            eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
207            eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
208    
209            return eg;
210        }
211    
212        double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
213            double eg2controllervalue = 0;
214            switch (pRegion->EG2Controller.type) {
215                case ::gig::eg2_ctrl_t::type_none: // no controller defined
216                    eg2controllervalue = 0;
217                    break;
218                case ::gig::eg2_ctrl_t::type_channelaftertouch:
219                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[128];
220                    break;
221                case ::gig::eg2_ctrl_t::type_velocity:
222                    eg2controllervalue = MIDIKeyVelocity;
223                    break;
224                case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
225                    eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
226                    break;
227            }
228            if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
229    
230            return eg2controllervalue;
231        }
232    
233        Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
234            EGInfo eg;
235            eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
236            eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
237            eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
238    
239              Pos = newPos;          return eg;
240              i = iSubFragmentEnd;      }
241    
242        void Voice::InitLFO1() {
243            uint16_t lfo1_internal_depth;
244            switch (pRegion->LFO1Controller) {
245                case ::gig::lfo1_ctrl_internal:
246                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
247                    pLFO1->ExtController = 0; // no external controller
248                    bLFO1Enabled         = (lfo1_internal_depth > 0);
249                    break;
250                case ::gig::lfo1_ctrl_modwheel:
251                    lfo1_internal_depth  = 0;
252                    pLFO1->ExtController = 1; // MIDI controller 1
253                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
254                    break;
255                case ::gig::lfo1_ctrl_breath:
256                    lfo1_internal_depth  = 0;
257                    pLFO1->ExtController = 2; // MIDI controller 2
258                    bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
259                    break;
260                case ::gig::lfo1_ctrl_internal_modwheel:
261                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
262                    pLFO1->ExtController = 1; // MIDI controller 1
263                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
264                    break;
265                case ::gig::lfo1_ctrl_internal_breath:
266                    lfo1_internal_depth  = pRegion->LFO1InternalDepth;
267                    pLFO1->ExtController = 2; // MIDI controller 2
268                    bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
269                    break;
270                default:
271                    lfo1_internal_depth  = 0;
272                    pLFO1->ExtController = 0; // no external controller
273                    bLFO1Enabled         = false;
274            }
275            if (bLFO1Enabled) {
276                pLFO1->trigger(pRegion->LFO1Frequency,
277                               LFO::start_level_min,
278                               lfo1_internal_depth,
279                               pRegion->LFO1ControlDepth,
280                               pRegion->LFO1FlipPhase,
281                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
282                pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
283                pLFO1->setScriptDepthFactor(
284                    pNote->Override.AmpLFODepth.Value,
285                    pNote->Override.AmpLFODepth.Final
286                );
287                if (pNote->Override.AmpLFOFreq.isFinal())
288                    pLFO1->setScriptFrequencyFinal(
289                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
290                    );
291                else
292                    pLFO1->setScriptFrequencyFactor(
293                        pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE
294                    );
295          }          }
296      }      }
297    
298      /** @brief Update current portamento position.      void Voice::InitLFO2() {
299       *          uint16_t lfo2_internal_depth;
300       * Will be called when portamento mode is enabled to get the final          switch (pRegion->LFO2Controller) {
301       * portamento position of this active voice from where the next voice(s)              case ::gig::lfo2_ctrl_internal:
302       * might continue to slide on.                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
303       *                  pLFO2->ExtController = 0; // no external controller
304       * @param itNoteOffEvent - event which causes this voice to die soon                  bLFO2Enabled         = (lfo2_internal_depth > 0);
305       */                  break;
306      void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {              case ::gig::lfo2_ctrl_modwheel:
307          const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());                  lfo2_internal_depth  = 0;
308          pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;                  pLFO2->ExtController = 1; // MIDI controller 1
309      }                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
310                    break;
311      /**              case ::gig::lfo2_ctrl_foot:
312       *  Immediately kill the voice. This method should not be used to kill                  lfo2_internal_depth  = 0;
313       *  a normal, active voice, because it doesn't take care of things like                  pLFO2->ExtController = 4; // MIDI controller 4
314       *  fading down the volume level to avoid clicks and regular processing                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
315       *  until the kill event actually occured!                  break;
316       *              case ::gig::lfo2_ctrl_internal_modwheel:
317       *  @see Kill()                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
318       */                  pLFO2->ExtController = 1; // MIDI controller 1
319      void Voice::KillImmediately() {                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
320          if (DiskVoice && DiskStreamRef.State != Stream::state_unused) {                  break;
321              pDiskThread->OrderDeletionOfStream(&DiskStreamRef);              case ::gig::lfo2_ctrl_internal_foot:
322          }                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
323          Reset();                  pLFO2->ExtController = 4; // MIDI controller 4
324      }                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
325                    break;
326      /**              default:
327       *  Kill the voice in regular sense. Let the voice render audio until                  lfo2_internal_depth  = 0;
328       *  the kill event actually occured and then fade down the volume level                  pLFO2->ExtController = 0; // no external controller
329       *  very quickly and let the voice die finally. Unlike a normal release                  bLFO2Enabled         = false;
330       *  of a voice, a kill process cannot be cancalled and is therefore          }
331       *  usually used for voice stealing and key group conflicts.          if (bLFO2Enabled) {
332       *              pLFO2->trigger(pRegion->LFO2Frequency,
333       *  @param itKillEvent - event which caused the voice to be killed                             LFO::start_level_max,
334       */                             lfo2_internal_depth,
335      void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {                             pRegion->LFO2ControlDepth,
336          #if CONFIG_DEVMODE                             pRegion->LFO2FlipPhase,
337          if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
338          if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));              pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
339          #endif // CONFIG_DEVMODE              pLFO2->setScriptDepthFactor(
340                    pNote->Override.CutoffLFODepth.Value,
341                    pNote->Override.CutoffLFODepth.Final
342                );
343                if (pNote->Override.CutoffLFOFreq.isFinal())
344                    pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
345                else
346                    pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
347            }
348        }
349    
350          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;      void Voice::InitLFO3() {
351          this->itKillEvent = itKillEvent;          uint16_t lfo3_internal_depth;
352            switch (pRegion->LFO3Controller) {
353                case ::gig::lfo3_ctrl_internal:
354                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
355                    pLFO3->ExtController = 0; // no external controller
356                    bLFO3Enabled         = (lfo3_internal_depth > 0);
357                    break;
358                case ::gig::lfo3_ctrl_modwheel:
359                    lfo3_internal_depth  = 0;
360                    pLFO3->ExtController = 1; // MIDI controller 1
361                    bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
362                    break;
363                case ::gig::lfo3_ctrl_aftertouch:
364                    lfo3_internal_depth  = 0;
365                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
366                    bLFO3Enabled         = true;
367                    break;
368                case ::gig::lfo3_ctrl_internal_modwheel:
369                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
370                    pLFO3->ExtController = 1; // MIDI controller 1
371                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
372                    break;
373                case ::gig::lfo3_ctrl_internal_aftertouch:
374                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
375                    pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH;
376                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
377                    break;
378                default:
379                    lfo3_internal_depth  = 0;
380                    pLFO3->ExtController = 0; // no external controller
381                    bLFO3Enabled         = false;
382            }
383            if (bLFO3Enabled) {
384                pLFO3->trigger(pRegion->LFO3Frequency,
385                               LFO::start_level_mid,
386                               lfo3_internal_depth,
387                               pRegion->LFO3ControlDepth,
388                               false,
389                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
390                pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
391                pLFO3->setScriptDepthFactor(
392                    pNote->Override.PitchLFODepth.Value,
393                    pNote->Override.PitchLFODepth.Final
394                );
395                if (pNote->Override.PitchLFOFreq.isFinal())
396                    pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
397                else
398                    pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
399            }
400        }
401    
402        float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
403            float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
404            if (pRegion->VCFKeyboardTracking) {
405                cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100);
406            }
407            return cutoff;
408        }
409    
410        float Voice::CalculateFinalCutoff(float cutoffBase) {
411            int cvalue;
412            if (VCFCutoffCtrl.controller) {
413                cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
414                if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
415                // VCFVelocityScale in this case means Minimum cutoff
416                if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
417            }
418            else {
419                cvalue = pRegion->VCFCutoff;
420            }
421            float fco = cutoffBase * float(cvalue);
422            if (fco > 127.0f) fco = 127.0f;
423    
424            return fco;
425        }
426    
427        uint8_t Voice::GetVCFCutoffCtrl() {
428            uint8_t ctrl;
429            switch (pRegion->VCFCutoffController) {
430                case ::gig::vcf_cutoff_ctrl_modwheel:
431                    ctrl = 1;
432                    break;
433                case ::gig::vcf_cutoff_ctrl_effect1:
434                    ctrl = 12;
435                    break;
436                case ::gig::vcf_cutoff_ctrl_effect2:
437                    ctrl = 13;
438                    break;
439                case ::gig::vcf_cutoff_ctrl_breath:
440                    ctrl = 2;
441                    break;
442                case ::gig::vcf_cutoff_ctrl_foot:
443                    ctrl = 4;
444                    break;
445                case ::gig::vcf_cutoff_ctrl_sustainpedal:
446                    ctrl = 64;
447                    break;
448                case ::gig::vcf_cutoff_ctrl_softpedal:
449                    ctrl = 67;
450                    break;
451                case ::gig::vcf_cutoff_ctrl_genpurpose7:
452                    ctrl = 82;
453                    break;
454                case ::gig::vcf_cutoff_ctrl_genpurpose8:
455                    ctrl = 83;
456                    break;
457                case ::gig::vcf_cutoff_ctrl_aftertouch:
458                    ctrl = CTRL_TABLE_IDX_AFTERTOUCH;
459                    break;
460                case ::gig::vcf_cutoff_ctrl_none:
461                default:
462                    ctrl = 0;
463                    break;
464            }
465    
466            return ctrl;
467        }
468    
469        uint8_t Voice::GetVCFResonanceCtrl() {
470            uint8_t ctrl;
471            switch (pRegion->VCFResonanceController) {
472                case ::gig::vcf_res_ctrl_genpurpose3:
473                    ctrl = 18;
474                    break;
475                case ::gig::vcf_res_ctrl_genpurpose4:
476                    ctrl = 19;
477                    break;
478                case ::gig::vcf_res_ctrl_genpurpose5:
479                    ctrl = 80;
480                    break;
481                case ::gig::vcf_res_ctrl_genpurpose6:
482                    ctrl = 81;
483                    break;
484                case ::gig::vcf_res_ctrl_none:
485                default:
486                    ctrl = 0;
487            }
488    
489            return ctrl;
490        }
491    
492        void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
493            EG1.setStateOptions(
494                pRegion->EG1Options.AttackCancel,
495                pRegion->EG1Options.AttackHoldCancel,
496                pRegion->EG1Options.Decay1Cancel,
497                pRegion->EG1Options.Decay2Cancel,
498                pRegion->EG1Options.ReleaseCancel
499            );
500            EG1.trigger(pRegion->EG1PreAttack,
501                        (pNote && pNote->Override.Attack.isFinal()) ?
502                            pNote->Override.Attack.Value :
503                            RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack,
504                        pRegion->EG1Hold,
505                        (pNote && pNote->Override.Decay.isFinal()) ?
506                            pNote->Override.Decay.Value :
507                            pRegion->EG1Decay1 * egInfo.Decay * velrelease,
508                        (pNote && pNote->Override.Decay.isFinal()) ?
509                            pNote->Override.Decay.Value :
510                            pRegion->EG1Decay2 * egInfo.Decay * velrelease,
511                        pRegion->EG1InfiniteSustain,
512                        (pNote && pNote->Override.Sustain.Final) ?
513                            uint(pNote->Override.Sustain.Value * 1000.f) :
514                            pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f),
515                        (pNote && pNote->Override.Release.isFinal()) ?
516                            pNote->Override.Release.Value :
517                            RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release,
518                        velocityAttenuation,
519                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
520        }
521    
522        void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
523            EG2.setStateOptions(
524                pRegion->EG2Options.AttackCancel,
525                pRegion->EG2Options.AttackHoldCancel,
526                pRegion->EG2Options.Decay1Cancel,
527                pRegion->EG2Options.Decay2Cancel,
528                pRegion->EG2Options.ReleaseCancel
529            );
530            EG2.trigger(uint(RgnInfo.EG2PreAttack),
531                        (pNote && pNote->Override.CutoffAttack.isFinal()) ?
532                            pNote->Override.CutoffAttack.Value :
533                            RgnInfo.EG2Attack * egInfo.Attack,
534                        false,
535                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
536                            pNote->Override.CutoffDecay.Value :
537                            RgnInfo.EG2Decay1 * egInfo.Decay * velrelease,
538                        (pNote && pNote->Override.CutoffDecay.isFinal()) ?
539                            pNote->Override.CutoffDecay.Value :
540                            RgnInfo.EG2Decay2 * egInfo.Decay * velrelease,
541                        RgnInfo.EG2InfiniteSustain,
542                        (pNote && pNote->Override.CutoffSustain.Final) ?
543                            uint(pNote->Override.CutoffSustain.Value * 1000.f) :
544                            uint(RgnInfo.EG2Sustain),
545                        (pNote && pNote->Override.CutoffRelease.isFinal()) ?
546                            pNote->Override.CutoffRelease.Value :
547                            RgnInfo.EG2Release * egInfo.Release * velrelease,
548                        velocityAttenuation,
549                        sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
550        }
551    
552        void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) {
553            dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type));
554    
555            // TODO: The SustainPedal condition could be wrong, maybe the
556            // check should be if this Voice is in release stage or is a
557            // release sample instead. Need to test this in GSt.
558            // -- Andreas
559            //
560            // Commented sustain pedal check out. I don't think voices of the same
561            // note should be stopped at all, because it doesn't sound naturally
562            // with a drumkit.
563            // -- Christian, 2013-01-08
564            if (itEvent->Param.Note.Key != HostKey() /*||
565                !GetGigEngineChannel()->SustainPedal*/) {
566                dmsg(4,("Voice %p - kill", (void*)this));
567    
568                // kill the voice fast
569                pEG1->enterFadeOutStage();
570            }
571        }
572    
573        void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) {
574            EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate);
575        }
576    
577        int Voice::CalculatePan(uint8_t pan) {
578            int p;
579            // Gst behaviour: -64 and 63 are special cases
580            if (RgnInfo.Pan == -64)     p = pan * 2 - 127;
581            else if (RgnInfo.Pan == 63) p = pan * 2;
582            else                        p = pan + RgnInfo.Pan;
583    
584            if (p < 0) return 0;
585            if (p > 127) return 127;
586            return p;
587        }
588    
589        release_trigger_t Voice::GetReleaseTriggerFlags() {
590            release_trigger_t flags =
591                (pRegion->NoNoteOffReleaseTrigger) ?
592                    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
593            switch (pRegion->SustainReleaseTrigger) {
594                case ::gig::sust_rel_trg_none:
595                    break;
596                case ::gig::sust_rel_trg_maxvelocity:
597                    flags |= release_trigger_sustain_maxvelocity;
598                    break;
599                case ::gig::sust_rel_trg_keyvelocity:
600                    flags |= release_trigger_sustain_keyvelocity;
601                    break;
602            }
603            return flags;
604      }      }
605    
606  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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