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

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

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

revision 2012 by iliev, Fri Oct 23 17:53:17 2009 UTC revision 2086 by persson, Sun Apr 25 12:51:30 2010 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 - 2009 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7     *   Copyright (C) 2009 - 2010 Christian Schoenebeck and Grigor Iliev      *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 21  Line 22 
22   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
23   ***************************************************************************/   ***************************************************************************/
24    
25  #include "../../common/Features.h"  #include "Voice.h"
26  #include "../gig/Synthesizer.h"  
 #include "../gig/Profiler.h"  
27  #include "Engine.h"  #include "Engine.h"
28  #include "EngineChannel.h"  #include "EngineChannel.h"
29    
30  #include "Voice.h"  #define LN_10_DIV_20 0.115129254649702
31    
32  namespace LinuxSampler { namespace sfz {  namespace LinuxSampler { namespace sfz {
33    
     typedef LinuxSampler::gig::Profiler Profiler; // TODO: remove  
   
34      Voice::Voice() {      Voice::Voice() {
35          pEngine     = NULL;          pEngine     = NULL;
         pDiskThread = NULL;  
         PlaybackState = playback_state_end;  
         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 (asm core is not supported ATM)  
         #if 0 // 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();  
36      }      }
37    
38      Voice::~Voice() {      Voice::~Voice() {
39          if (pLFO1) delete pLFO1;  
40          if (pLFO2) delete pLFO2;      }
41          if (pLFO3) delete pLFO3;  
42        EngineChannel* Voice::GetSfzEngineChannel() {
43            return static_cast<EngineChannel*>(pEngineChannel);
44      }      }
45    
46      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {      void Voice::SetEngine(LinuxSampler::Engine* pEngine) {
# Line 67  namespace LinuxSampler { namespace sfz { Line 50  namespace LinuxSampler { namespace sfz {
50          dmsg(6,("Voice::SetEngine()\n"));          dmsg(6,("Voice::SetEngine()\n"));
51      }      }
52    
53      /**      Voice::SampleInfo Voice::GetSampleInfo() {
54       *  Initializes and triggers the voice, a disk stream will be launched if          SampleInfo si;
55       *  needed.          si.SampleRate       = pSample->GetSampleRate();
56       *          si.ChannelCount     = pSample->GetChannelCount();
57       *  @param pEngineChannel - engine channel on which this voice was ordered          si.FrameSize        = pSample->GetFrameSize();
58       *  @param itNoteOnEvent  - event that caused triggering of this voice          si.BitDepth         = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8;
59       *  @param PitchBend      - MIDI detune factor (-8192 ... +8191)          si.TotalFrameCount  = pSample->GetTotalFrameCount();
60       *  @param pRegion        - points to the dimension region which provides sample wave(s) and articulation data  
61       *  @param VoiceType      - type of this voice          si.HasLoops       = pRegion->HasLoop();
62       *  @param iKeyGroup      - a value > 0 defines a key group in which this voice is member of          si.LoopStart      = pRegion->GetLoopStart();
63       *  @returns 0 on success, a value < 0 if the voice wasn't triggered          si.LoopLength     = pRegion->GetLoopEnd() - pRegion->GetLoopStart();
64       *           (either due to an error or e.g. because no region is          si.LoopPlayCount  = pRegion->GetLoopCount();
65       *           defined for the given key)          si.Unpitched      = pRegion->pitch_keytrack == 0;
66       */          return si;
67      int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::sfz::Region* pRegion, type_t VoiceType, int iKeyGroup) {      }
68          this->pEngineChannel = pEngineChannel;  
69          this->pRegion        = pRegion;      Voice::RegionInfo Voice::GetRegionInfo() {
70          Orphan = false;          RegionInfo ri;
71            ri.UnityNote = pRegion->pitch_keycenter;
72          #if CONFIG_DEVMODE          ri.FineTune  = pRegion->tune + pRegion->transpose * 100;
73          if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging          ri.Pan       = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
74              dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));          ri.SampleStartOffset = 0; // TODO:
75          }  
76          #endif // CONFIG_DEVMODE          ri.EG1PreAttack        = pRegion->ampeg_start * 10;
77            ri.EG1Attack           = pRegion->ampeg_attack;
78            ri.EG1Hold             = pRegion->ampeg_hold;
79            ri.EG1Decay1           = pRegion->ampeg_decay;
80            ri.EG1Decay2           = pRegion->ampeg_decay;
81            ri.EG1Sustain          = pRegion->ampeg_sustain * 10;
82            ri.EG1InfiniteSustain  = true;
83            ri.EG1Release          = pRegion->ampeg_release;
84    
85            ri.EG2PreAttack        = pRegion->fileg_start * 10;
86            ri.EG2Attack           = pRegion->fileg_attack;
87            //ri.EG2Hold             = pRegion->fileg_hold; // TODO:
88            ri.EG2Decay1           = pRegion->fileg_decay;
89            ri.EG2Decay2           = pRegion->fileg_decay;
90            ri.EG2Sustain          = pRegion->fileg_sustain * 10;
91            ri.EG2InfiniteSustain  = true;
92            ri.EG2Release          = pRegion->fileg_release;
93    
94            ri.EG3Attack     = pRegion->pitcheg_attack;
95            ri.EG3Depth      = 0; // TODO:
96            ri.VCFEnabled    = false; // TODO:
97            ri.VCFType       = ::gig::vcf_type_lowpass; // TODO:
98            ri.VCFResonance  = 0; // TODO:
99    
100            // rt_decay is in dB. Precalculate a suitable value for exp in
101            // GetReleaseTriggerAttenuation: -ln(10) / 20 * rt_decay
102            ri.ReleaseTriggerDecay = -LN_10_DIV_20 * pRegion->rt_decay;
103    
104            return ri;
105        }
106    
107        Voice::InstrumentInfo Voice::GetInstrumentInfo() {
108            InstrumentInfo ii;
109            ii.FineTune = 0; // TODO:
110            ii.PitchbendRange = 2; // TODO:
111    
112            return ii;
113        }
114    
115        double Voice::GetSampleAttenuation() {
116            return exp(LN_10_DIV_20 * pRegion->volume);
117        }
118    
119        double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) {
120            return pRegion->amp_velcurve[MIDIKeyVelocity];
121        }
122    
123        double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) {
124            return 0.9; // TODO:
125        }
126    
127        void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) {
128            /*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
129                if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
130                    itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {
131                    CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
132                }
133            }*/ // TODO: ^^^
134        }
135    
136          Type            = VoiceType;      void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {
137          MIDIKey         = itNoteOnEvent->Param.Note.Key;          /*int ccvalue = itEvent->Param.CC.Value;
138          PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet          if (VCFCutoffCtrl.value == ccvalue) return;
139          Delay           = itNoteOnEvent->FragmentPos();          VCFCutoffCtrl.value == ccvalue;
140          itTriggerEvent  = itNoteOnEvent;          if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
141          itKillEvent     = Pool<Event>::Iterator();          if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;
142          KeyGroup        = iKeyGroup;          float cutoff = CutoffBase * float(ccvalue);
143          pSample         = pRegion->pSample; // sample won't change until the voice is finished          if (cutoff > 127.0f) cutoff = 127.0f;
   
         /*// calculate volume  
         const double velocityAttenuation = pRegion->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);  
   
         // For 16 bit samples, we downscale by 32768 to convert from  
         // int16 value range to DSP value range (which is  
         // -1.0..1.0). For 24 bit, we downscale from int32.  
         float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f);  
   
         float volume = pRegion->SampleAttenuation * pEngineChannel->GlobalVolume * GLOBAL_VOLUME;  
          */ // TODO: ^^^  
         float volume = pEngineChannel->GlobalVolume * GLOBAL_VOLUME;  
   
         // 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 >> pRegion->ReleaseTriggerDecay) * noteLength;  
             if (attenuation <= 0) return -1;  
             volume *= attenuation;  
         }  
          */ // TODO: ^^^  
144    
145          // select channel mode (mono or stereo)          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
146          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->GetChannelCount() == 2);          fFinalCutoff = cutoff;*/ // TODO: ^^^
147          // select bit depth (16 or 24)      }
         SYNTHESIS_MODE_SET_BITDEPTH24(SynthesisMode, (pSample->GetFrameSize() / pSample->GetChannelCount()) > 2);  
148    
149          // get starting crossfade volume level      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
150          /*float crossfadeVolume;          /*float crossfadeVolume;
151          switch (pRegion->AttenuationController.type) {          switch (pRegion->AttenuationController.type) {
152              case ::gig::attenuation_ctrl_t::type_channelaftertouch:              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
153                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[128])];                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[128])];
154                  break;                  break;
155              case ::gig::attenuation_ctrl_t::type_velocity:              case ::gig::attenuation_ctrl_t::type_velocity:
156                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity)];                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)];
157                  break;                  break;
158              case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate              case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
159                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[pRegion->AttenuationController.controller_number])];                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSfzEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])];
160                  break;                  break;
161              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
162              default:              default:
163                  crossfadeVolume = 1.0f;                  crossfadeVolume = 1.0f;
         }*/ // TODO: ^^^  
   
         VolumeLeft  = volume * Engine::PanCurve[64 - pRegion->pan];  
         VolumeRight = volume * Engine::PanCurve[64 + pRegion->pan];  
   
         float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;  
         //CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); // TODO:  
         VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate);  
         PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);  
         PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);  
   
         /*finalSynthesisParameters.dPos = pRegion->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)  
         Pos = pRegion->SampleStartOffset;*/ // TODO: ^^^  
         Pos = finalSynthesisParameters.dPos = 0;  
   
         // Check if the sample needs disk streaming or is too short for that  
         long cachedsamples = pSample->GetCache().Size / pSample->GetFrameSize();  
         DiskVoice          = cachedsamples < pSample->GetTotalFrameCount();  
   
         //const DLS::sample_loop_t& loopinfo = pRegion->pSampleLoops[0]; // TODO:  
   
         if (DiskVoice) { // voice to be streamed from disk  
             if (cachedsamples > (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH)) {  
                 MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) / pSample->GetChannelCount(); //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)  
             } else {  
                 // The cache is too small to fit a max sample buffer.  
                 // Setting MaxRAMPos to 0 will probably cause a click  
                 // in the audio, but it's better than not handling  
                 // this case at all, which would have caused the  
                 // unsigned MaxRAMPos to be set to a negative number.  
                 MaxRAMPos = 0;  
             }  
   
             // check if there's a loop defined which completely fits into the cached (RAM) part of the sample  
             //RAMLoop = (pRegion->SampleLoops && (loopinfo.LoopStart + loopinfo.LoopLength) <= MaxRAMPos); // TODO:  
             if (pDiskThread->OrderNewStream(&DiskStreamRef, pRegion, MaxRAMPos, false) < 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->GetTotalFrameCount(), MaxRAMPos, (RAMLoop) ? "yes" : "no"));  
         }  
         else { // RAM only voice  
             MaxRAMPos = cachedsamples;  
             /*RAMLoop = (pRegion->SampleLoops != 0);  
             dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no")); */ // TODO:  
         }  
         /*if (RAMLoop) {  
             loop.uiTotalCycles = pSample->LoopPlayCount;  
             loop.uiCyclesLeft  = pSample->LoopPlayCount;  
             loop.uiStart       = loopinfo.LoopStart;  
             loop.uiEnd         = loopinfo.LoopStart + loopinfo.LoopLength;  
             loop.uiSize        = loopinfo.LoopLength;  
         }*/ // TODO: ^^^  
   
         // calculate initial pitch value  
         {  
             double pitchbasecents = /* TODO: pEngineChannel->pInstrument->FineTune*/ + pRegion->tune + pEngine->ScaleTuning[MIDIKey % 12];  
   
             // GSt behaviour: maximum transpose up is 40 semitones. If  
             // MIDI key is more than 40 semitones above unity note,  
             // the transpose is not done.  
             /*if (pRegion->PitchTrack && (MIDIKey - (int) pRegion->UnityNote) < 40) pitchbasecents += (MIDIKey - (int) pRegion->UnityNote) * 100;  
   
             this->PitchBase = RTMath::CentsToFreqRatioUnlimited(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate));  
             this->PitchBendRange = 1.0 / 8192.0 * 100.0 * pEngineChannel->pInstrument->PitchbendRange;  
             this->PitchBend = RTMath::CentsToFreqRatio(PitchBend * PitchBendRange);*/ // TODO: ^^^  
         }  
   
         // the length of the decay and release curves are dependent on the velocity  
         //const double velrelease = 1 / pRegion->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); //TODO:  
   
         // setup EG 1 (VCA EG)  
         {  
         /*    // get current value of EG1 controller  
             double eg1controllervalue;  
             switch (pRegion->EG1Controller.type) {  
                 case ::gig::eg1_ctrl_t::type_none: // no controller defined  
                     eg1controllervalue = 0;  
                     break;  
                 case ::gig::eg1_ctrl_t::type_channelaftertouch:  
                     eg1controllervalue = pEngineChannel->ControllerTable[128];  
                     break;  
                 case ::gig::eg1_ctrl_t::type_velocity:  
                     eg1controllervalue = itNoteOnEvent->Param.Note.Velocity;  
                     break;  
                 case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller  
                     eg1controllervalue = pEngineChannel->ControllerTable[pRegion->EG1Controller.controller_number];  
                     break;  
             }  
             if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;  
   
             // calculate influence of EG1 controller on EG1's parameters  
             // (eg1attack is different from the others)  
             double eg1attack  = (pRegion->EG1ControllerAttackInfluence)  ?  
                 1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?  
                                       1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;  
             double eg1decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;  
             double eg1release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0;  
   
             EG1.trigger(pRegion->EG1PreAttack,  
                         pRegion->EG1Attack * eg1attack,  
                         pRegion->EG1Hold,  
                         pRegion->EG1Decay1 * eg1decay * velrelease,  
                         pRegion->EG1Decay2 * eg1decay * velrelease,  
                         pRegion->EG1InfiniteSustain,  
                         pRegion->EG1Sustain,  
                         pRegion->EG1Release * eg1release * velrelease,  
                         velocityAttenuation,  
                         pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
         }*/ // TODO: ^^^  
             EG1.trigger(0,  
                         0,  
                         false,  
                         0,  
                         0,  
                         true,  
                         100,  
                         0,  
                         1,  
                         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->MidiVolume * crossfadeVolume * EG1.getLevel(); // TODO:  
             float finalVolume = pEngineChannel->MidiVolume;  
   
             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 (pRegion->EG2Controller.type) {  
                 case ::gig::eg2_ctrl_t::type_none: // no controller defined  
                     eg2controllervalue = 0;  
                     break;  
                 case ::gig::eg2_ctrl_t::type_channelaftertouch:  
                     eg2controllervalue = pEngineChannel->ControllerTable[128];  
                     break;  
                 case ::gig::eg2_ctrl_t::type_velocity:  
                     eg2controllervalue = itNoteOnEvent->Param.Note.Velocity;  
                     break;  
                 case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller  
                     eg2controllervalue = pEngineChannel->ControllerTable[pRegion->EG2Controller.controller_number];  
                     break;  
             }  
             if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;  
   
             // calculate influence of EG2 controller on EG2's parameters  
             double eg2attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;  
             double eg2decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2controllervalue : 1.0;  
             double eg2release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0;  
   
             EG2.trigger(pRegion->EG2PreAttack,  
                         pRegion->EG2Attack * eg2attack,  
                         false,  
                         pRegion->EG2Decay1 * eg2decay * velrelease,  
                         pRegion->EG2Decay2 * eg2decay * velrelease,  
                         pRegion->EG2InfiniteSustain,  
                         pRegion->EG2Sustain,  
                         pRegion->EG2Release * eg2release * velrelease,  
                         velocityAttenuation,  
                         pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
164          }          }
165    
166            return crossfadeVolume;*/ // TODO: ^^^
167            return 1.0f;
168        }
169    
170          // setup EG 3 (VCO EG)      double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) {
171          {          /*double eg1controllervalue = 0;
172              // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch          switch (pRegion->EG1Controller.type) {
173              bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;              case ::gig::eg1_ctrl_t::type_none: // no controller defined
174              float eg3depth = (bPortamento)                  eg1controllervalue = 0;
175                                   ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)                  break;
176                                   : RTMath::CentsToFreqRatio(pRegion->EG3Depth);              case ::gig::eg1_ctrl_t::type_channelaftertouch:
177              float eg3time = (bPortamento)                  eg1controllervalue = GetSfzEngineChannel()->ControllerTable[128];
178                                  ? pEngineChannel->PortamentoTime                  break;
179                                  : pRegion->EG3Attack;              case ::gig::eg1_ctrl_t::type_velocity:
180              EG3.trigger(eg3depth, eg3time, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  eg1controllervalue = MIDIKeyVelocity;
181              dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time));                  break;
182                case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
183                    eg1controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number];
184                    break;
185          }          }
186            if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
187    
188            return eg1controllervalue;*/ // TODO: ^^^
189            return 0;
190        }
191    
192          // setup LFO 1 (VCA LFO)      Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) {
193          {          /*EGInfo eg;
194              uint16_t lfo1_internal_depth;          // (eg1attack is different from the others)
195              switch (pRegion->LFO1Controller) {          eg.Attack  = (pRegion->EG1ControllerAttackInfluence)  ?
196                  case ::gig::lfo1_ctrl_internal:              1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ?
197                      lfo1_internal_depth  = pRegion->LFO1InternalDepth;                                    1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0;
198                      pLFO1->ExtController = 0; // no external controller          eg.Decay   = (pRegion->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence)   * eg1ControllerValue : 1.0;
199                      bLFO1Enabled         = (lfo1_internal_depth > 0);          eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0;
200                      break;  
201                  case ::gig::lfo1_ctrl_modwheel:          return eg;*/ // TODO: ^^^
202                      lfo1_internal_depth  = 0;          EGInfo eg;
203                      pLFO1->ExtController = 1; // MIDI controller 1          eg.Attack = 1.0;
204                      bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);          eg.Decay = 1.0;
205                      break;          eg.Release = 1.0;
206                  case ::gig::lfo1_ctrl_breath:          return eg;
207                      lfo1_internal_depth  = 0;      }
208                      pLFO1->ExtController = 2; // MIDI controller 2  
209                      bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);      void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) {
210                      break;  
211                  case ::gig::lfo1_ctrl_internal_modwheel:          // TODO: controller modulation
212                      lfo1_internal_depth  = pRegion->LFO1InternalDepth;  
213                      pLFO1->ExtController = 1; // MIDI controller 1          // first check if there is a v2 EG for amplitude
214                      bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);          for (int i = 0 ; i < pRegion->eg.size() ; i++) {
215                      break;              if (pRegion->eg[i].amplitude > 0) {
216                  case ::gig::lfo1_ctrl_internal_breath:                  // TODO: actually use the value of the amplitude parameter
217                      lfo1_internal_depth  = pRegion->LFO1InternalDepth;                  pEG1 = &EG1;
218                      pLFO1->ExtController = 2; // MIDI controller 2                  EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity);
219                      bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);                  return;
                     break;  
                 default:  
                     lfo1_internal_depth  = 0;  
                     pLFO1->ExtController = 0; // no external controller  
                     bLFO1Enabled         = false;  
             }  
             if (bLFO1Enabled) {  
                 pLFO1->trigger(pRegion->LFO1Frequency,  
                                start_level_min,  
                                lfo1_internal_depth,  
                                pRegion->LFO1ControlDepth,  
                                pRegion->LFO1FlipPhase,  
                                pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 pLFO1->update(pLFO1->ExtController ? pEngineChannel->ControllerTable[pLFO1->ExtController] : 0);  
220              }              }
221          }          }
222    
223            // otherwise use the v1 EGADSR
224          // setup LFO 2 (VCF Cutoff LFO)          pEG1 = &EGADSR1;
225          {          EGADSR1.trigger(uint(RgnInfo.EG1PreAttack),
226              uint16_t lfo2_internal_depth;                          RgnInfo.EG1Attack,
227              switch (pRegion->LFO2Controller) {                          RgnInfo.EG1Hold,
228                  case ::gig::lfo2_ctrl_internal:                          RgnInfo.EG1Decay1,
229                      lfo2_internal_depth  = pRegion->LFO2InternalDepth;                          uint(RgnInfo.EG1Sustain),
230                      pLFO2->ExtController = 0; // no external controller                          RgnInfo.EG1Release,
231                      bLFO2Enabled         = (lfo2_internal_depth > 0);                          sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
232                      break;       }
233                  case ::gig::lfo2_ctrl_modwheel:  
234                      lfo2_internal_depth  = 0;       double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) {
235                      pLFO2->ExtController = 1; // MIDI controller 1          /*double eg2controllervalue = 0;
236                      bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);          switch (pRegion->EG2Controller.type) {
237                      break;              case ::gig::eg2_ctrl_t::type_none: // no controller defined
238                  case ::gig::lfo2_ctrl_foot:                  eg2controllervalue = 0;
239                      lfo2_internal_depth  = 0;                  break;
240                      pLFO2->ExtController = 4; // MIDI controller 4              case ::gig::eg2_ctrl_t::type_channelaftertouch:
241                      bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);                  eg2controllervalue = GetSfzEngineChannel()->ControllerTable[128];
242                      break;                  break;
243                  case ::gig::lfo2_ctrl_internal_modwheel:              case ::gig::eg2_ctrl_t::type_velocity:
244                      lfo2_internal_depth  = pRegion->LFO2InternalDepth;                  eg2controllervalue = MIDIKeyVelocity;
245                      pLFO2->ExtController = 1; // MIDI controller 1                  break;
246                      bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);              case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
247                      break;                  eg2controllervalue = GetSfzEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number];
248                  case ::gig::lfo2_ctrl_internal_foot:                  break;
                     lfo2_internal_depth  = pRegion->LFO2InternalDepth;  
                     pLFO2->ExtController = 4; // MIDI controller 4  
                     bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);  
                     break;  
                 default:  
                     lfo2_internal_depth  = 0;  
                     pLFO2->ExtController = 0; // no external controller  
                     bLFO2Enabled         = false;  
             }  
             if (bLFO2Enabled) {  
                 pLFO2->trigger(pRegion->LFO2Frequency,  
                                start_level_max,  
                                lfo2_internal_depth,  
                                pRegion->LFO2ControlDepth,  
                                pRegion->LFO2FlipPhase,  
                                pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 pLFO2->update(pLFO2->ExtController ? pEngineChannel->ControllerTable[pLFO2->ExtController] : 0);  
             }  
249          }          }
250            if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
251    
252            return eg2controllervalue;*/ // TODO: ^^^
253            return 0;
254        }
255    
256          // setup LFO 3 (VCO LFO)      Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) {
257          {          /*EGInfo eg;
258              uint16_t lfo3_internal_depth;          eg.Attack  = (pRegion->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence)  * eg2ControllerValue : 1.0;
259              switch (pRegion->LFO3Controller) {          eg.Decay   = (pRegion->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence)   * eg2ControllerValue : 1.0;
260                  case ::gig::lfo3_ctrl_internal:          eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0;
261                      lfo3_internal_depth  = pRegion->LFO3InternalDepth;  
262                      pLFO3->ExtController = 0; // no external controller          return eg;*/ // TODO: ^^^
263                      bLFO3Enabled         = (lfo3_internal_depth > 0);          EGInfo eg;
264                      break;          eg.Attack = 1.0;
265                  case ::gig::lfo3_ctrl_modwheel:          eg.Decay = 1.0;
266                      lfo3_internal_depth  = 0;          eg.Release = 1.0;
267                      pLFO3->ExtController = 1; // MIDI controller 1          return eg;
268                      bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);      }
269                      break;  
270                  case ::gig::lfo3_ctrl_aftertouch:      void Voice::InitLFO1() {
271                      lfo3_internal_depth  = 0;          /*uint16_t lfo1_internal_depth;
272                      pLFO3->ExtController = 128;          switch (pRegion->LFO1Controller) {
273                      bLFO3Enabled         = true;              case ::gig::lfo1_ctrl_internal:
274                      break;                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
275                  case ::gig::lfo3_ctrl_internal_modwheel:                  pLFO1->ExtController = 0; // no external controller
276                      lfo3_internal_depth  = pRegion->LFO3InternalDepth;                  bLFO1Enabled         = (lfo1_internal_depth > 0);
277                      pLFO3->ExtController = 1; // MIDI controller 1                  break;
278                      bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);              case ::gig::lfo1_ctrl_modwheel:
279                      break;                  lfo1_internal_depth  = 0;
280                  case ::gig::lfo3_ctrl_internal_aftertouch:                  pLFO1->ExtController = 1; // MIDI controller 1
281                      lfo3_internal_depth  = pRegion->LFO3InternalDepth;                  bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
282                      pLFO1->ExtController = 128;                  break;
283                      bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);              case ::gig::lfo1_ctrl_breath:
284                      break;                  lfo1_internal_depth  = 0;
285                  default:                  pLFO1->ExtController = 2; // MIDI controller 2
286                      lfo3_internal_depth  = 0;                  bLFO1Enabled         = (pRegion->LFO1ControlDepth > 0);
287                      pLFO3->ExtController = 0; // no external controller                  break;
288                      bLFO3Enabled         = false;              case ::gig::lfo1_ctrl_internal_modwheel:
289              }                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
290              if (bLFO3Enabled) {                  pLFO1->ExtController = 1; // MIDI controller 1
291                  pLFO3->trigger(pRegion->LFO3Frequency,                  bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
292                                 start_level_mid,                  break;
293                                 lfo3_internal_depth,              case ::gig::lfo1_ctrl_internal_breath:
294                                 pRegion->LFO3ControlDepth,                  lfo1_internal_depth  = pRegion->LFO1InternalDepth;
295                                 false,                  pLFO1->ExtController = 2; // MIDI controller 2
296                                 pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  bLFO1Enabled         = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0);
297                  pLFO3->update(pLFO3->ExtController ? pEngineChannel->ControllerTable[pLFO3->ExtController] : 0);                  break;
298              }              default:
299                    lfo1_internal_depth  = 0;
300                    pLFO1->ExtController = 0; // no external controller
301                    bLFO1Enabled         = false;
302            }
303            if (bLFO1Enabled) {
304                pLFO1->trigger(pRegion->LFO1Frequency,
305                               start_level_min,
306                               lfo1_internal_depth,
307                               pRegion->LFO1ControlDepth,
308                               pRegion->LFO1FlipPhase,
309                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
310                pLFO1->update(pLFO1->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO1->ExtController] : 0);
311          }*/ // TODO: ^^^          }*/ // TODO: ^^^
312            bLFO1Enabled = false;
313        }
314    
315        void Voice::InitLFO2() {
316          /*#if CONFIG_FORCE_FILTER          /*uint16_t lfo2_internal_depth;
317          const bool bUseFilter = true;          switch (pRegion->LFO2Controller) {
318          #else // use filter only if instrument file told so              case ::gig::lfo2_ctrl_internal:
319          const bool bUseFilter = pRegion->VCFEnabled;                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
320          #endif // CONFIG_FORCE_FILTER                  pLFO2->ExtController = 0; // no external controller
321          SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter);                  bLFO2Enabled         = (lfo2_internal_depth > 0);
322          if (bUseFilter) {                  break;
323              #ifdef CONFIG_OVERRIDE_CUTOFF_CTRL              case ::gig::lfo2_ctrl_modwheel:
324              VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL;                  lfo2_internal_depth  = 0;
325              #else // use the one defined in the instrument file                  pLFO2->ExtController = 1; // MIDI controller 1
326              switch (pRegion->VCFCutoffController) {                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
327                  case ::gig::vcf_cutoff_ctrl_modwheel:                  break;
328                      VCFCutoffCtrl.controller = 1;              case ::gig::lfo2_ctrl_foot:
329                      break;                  lfo2_internal_depth  = 0;
330                  case ::gig::vcf_cutoff_ctrl_effect1:                  pLFO2->ExtController = 4; // MIDI controller 4
331                      VCFCutoffCtrl.controller = 12;                  bLFO2Enabled         = (pRegion->LFO2ControlDepth > 0);
332                      break;                  break;
333                  case ::gig::vcf_cutoff_ctrl_effect2:              case ::gig::lfo2_ctrl_internal_modwheel:
334                      VCFCutoffCtrl.controller = 13;                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
335                      break;                  pLFO2->ExtController = 1; // MIDI controller 1
336                  case ::gig::vcf_cutoff_ctrl_breath:                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
337                      VCFCutoffCtrl.controller = 2;                  break;
338                      break;              case ::gig::lfo2_ctrl_internal_foot:
339                  case ::gig::vcf_cutoff_ctrl_foot:                  lfo2_internal_depth  = pRegion->LFO2InternalDepth;
340                      VCFCutoffCtrl.controller = 4;                  pLFO2->ExtController = 4; // MIDI controller 4
341                      break;                  bLFO2Enabled         = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0);
342                  case ::gig::vcf_cutoff_ctrl_sustainpedal:                  break;
343                      VCFCutoffCtrl.controller = 64;              default:
344                      break;                  lfo2_internal_depth  = 0;
345                  case ::gig::vcf_cutoff_ctrl_softpedal:                  pLFO2->ExtController = 0; // no external controller
346                      VCFCutoffCtrl.controller = 67;                  bLFO2Enabled         = false;
347                      break;          }
348                  case ::gig::vcf_cutoff_ctrl_genpurpose7:          if (bLFO2Enabled) {
349                      VCFCutoffCtrl.controller = 82;              pLFO2->trigger(pRegion->LFO2Frequency,
350                      break;                             start_level_max,
351                  case ::gig::vcf_cutoff_ctrl_genpurpose8:                             lfo2_internal_depth,
352                      VCFCutoffCtrl.controller = 83;                             pRegion->LFO2ControlDepth,
353                      break;                             pRegion->LFO2FlipPhase,
354                  case ::gig::vcf_cutoff_ctrl_aftertouch:                             pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
355                      VCFCutoffCtrl.controller = 128;              pLFO2->update(pLFO2->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO2->ExtController] : 0);
                     break;  
                 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 (pRegion->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  
   
             #ifndef CONFIG_OVERRIDE_FILTER_TYPE  
             finalSynthesisParameters.filterLeft.SetType(pRegion->VCFType);  
             finalSynthesisParameters.filterRight.SetType(pRegion->VCFType);  
             #else // override filter type  
             finalSynthesisParameters.filterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE);  
             finalSynthesisParameters.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 = pRegion->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity);  
             if (pRegion->VCFKeyboardTracking) {  
                 cutoff *= exp((itNoteOnEvent->Param.Note.Key - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)  
             }  
             CutoffBase = cutoff;  
   
             int cvalue;  
             if (VCFCutoffCtrl.controller) {  
                 cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];  
                 if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;  
                 // VCFVelocityScale in this case means Minimum cutoff  
                 if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;  
             }  
             else {  
                 cvalue = pRegion->VCFCutoff;  
             }  
             cutoff *= float(cvalue);  
             if (cutoff > 127.0f) cutoff = 127.0f;  
   
             // calculate resonance  
             float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pRegion->VCFResonance);  
   
             VCFCutoffCtrl.fvalue    = cutoff;  
             VCFResonanceCtrl.fvalue = resonance;  
         }  
         else {  
             VCFCutoffCtrl.controller    = 0;  
             VCFResonanceCtrl.controller = 0;  
356          }*/ // TODO: ^^^          }*/ // TODO: ^^^
357            bLFO2Enabled = false;
         return 0; // success  
358      }      }
359    
360      /**      void Voice::InitLFO3() {
361       *  Renders the audio data for this voice for the current audio fragment.          /*uint16_t lfo3_internal_depth;
362       *  The sample input data can either come from RAM (cached sample or sample          switch (pRegion->LFO3Controller) {
363       *  part) or directly from disk. The output signal will be rendered by              case ::gig::lfo3_ctrl_internal:
364       *  resampling / interpolation. If this voice is a disk streaming voice and                  lfo3_internal_depth  = pRegion->LFO3InternalDepth;
365       *  the voice completely played back the cached RAM part of the sample, it                  pLFO3->ExtController = 0; // no external controller
366       *  will automatically switch to disk playback for the next RenderAudio()                  bLFO3Enabled         = (lfo3_internal_depth > 0);
      *  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->GetFrameSize()) {  
                         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->GetChannelCount() * (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->GetChannelCount() + 6; // +6 for the interpolator algorithm  
                         if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {  
                             // remember how many sample words there are before any silence has been added  
                             if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead;  
                             DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);  
                         }  
                     }  
   
                     sample_t* ptr = (sample_t*)DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from  
   
                     // render current audio fragment  
                     Synthesize(Samples, ptr, Delay);  
   
                     const int iPos = (int) finalSynthesisParameters.dPos;  
                     const int readSampleWords = iPos * pSample->GetChannelCount(); // 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;  
                     }  
                 }  
367                  break;                  break;
368                case ::gig::lfo3_ctrl_modwheel:
369              case playback_state_end:                  lfo3_internal_depth  = 0;
370                  std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush;                  pLFO3->ExtController = 1; // MIDI controller 1
371                    bLFO3Enabled         = (pRegion->LFO3ControlDepth > 0);
372                  break;                  break;
373          }              case ::gig::lfo3_ctrl_aftertouch:
374                    lfo3_internal_depth  = 0;
375          // Reset delay                  pLFO3->ExtController = 128;
376          Delay = 0;                  bLFO3Enabled         = true;
377                    break;
378          itTriggerEvent = Pool<Event>::Iterator();              case ::gig::lfo3_ctrl_internal_modwheel:
379                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
380          // If sample stream or release stage finished, kill the voice                  pLFO3->ExtController = 1; // MIDI controller 1
381          if (PlaybackState == playback_state_end || EG1.getSegmentType() == EGADSR::segment_end) KillImmediately();                  bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
382                    break;
383                case ::gig::lfo3_ctrl_internal_aftertouch:
384                    lfo3_internal_depth  = pRegion->LFO3InternalDepth;
385                    pLFO1->ExtController = 128;
386                    bLFO3Enabled         = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0);
387                    break;
388                default:
389                    lfo3_internal_depth  = 0;
390                    pLFO3->ExtController = 0; // no external controller
391                    bLFO3Enabled         = false;
392            }
393            if (bLFO3Enabled) {
394                pLFO3->trigger(pRegion->LFO3Frequency,
395                               start_level_mid,
396                               lfo3_internal_depth,
397                               pRegion->LFO3ControlDepth,
398                               false,
399                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
400                pLFO3->update(pLFO3->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO3->ExtController] : 0);
401            }*/ // TODO: ^^^
402            bLFO3Enabled = false;
403      }      }
404    
405      /**      float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) {
406       *  Resets voice variables. Should only be called if rendering process is          /*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity);
407       *  suspended / not running.          if (pRegion->VCFKeyboardTracking) {
408       */              cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
     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);  
             }  
409          }          }
410            return cutoff;*/ // TODO: ^^^
411            return 1.0f;
412      }      }
413    
414      /**      float Voice::CalculateFinalCutoff(float cutoffBase) {
415       * Process given list of MIDI control change and pitch bend events for          /*int cvalue;
416       * the given time.          if (VCFCutoffCtrl.controller) {
417       *              cvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];
418       * @param itEvent - iterator pointing to the next event to be processed              if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
419       * @param End     - youngest time stamp where processing should be stopped              // VCFVelocityScale in this case means Minimum cutoff
420       */              if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale;
     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 (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&  
                     itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) {  
                     CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);  
                 }*/ // TODO:  
                 if (itEvent->Param.CC.Controller == 7) { // volume  
                     VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value]);  
                 } else if (itEvent->Param.CC.Controller == 10) { // panpot  
                     PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]);  
                     PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]);  
                 }  
             } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event  
                 processPitchEvent(itEvent);  
             }  
421          }          }
422      }          else {
423                cvalue = pRegion->VCFCutoff;
424      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {          }
425          PitchBend = RTMath::CentsToFreqRatio(itEvent->Param.Pitch.Pitch * PitchBendRange);          float fco = cutoffBase * float(cvalue);
426      }          if (fco > 127.0f) fco = 127.0f;
   
     void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {  
         /*int ccvalue = itEvent->Param.CC.Value;  
         if (VCFCutoffCtrl.value == ccvalue) return;  
         VCFCutoffCtrl.value == ccvalue;  
         if (pRegion->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;  
         if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale;  
         float cutoff = CutoffBase * float(ccvalue);  
         if (cutoff > 127.0f) cutoff = 127.0f;  
427    
428          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time          return fco;*/ // TODO: ^^^
429          fFinalCutoff = cutoff;*/ // TODO: ^^^          return 127.0f;
430      }      }
431    
432      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {      uint8_t Voice::GetVCFCutoffCtrl() {
433          // convert absolute controller value to differential          /*uint8_t ctrl;
434          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          switch (pRegion->VCFCutoffController) {
435          VCFResonanceCtrl.value = itEvent->Param.CC.Value;              case ::gig::vcf_cutoff_ctrl_modwheel:
436          const float resonancedelta = (float) ctrldelta;                  ctrl = 1;
437          fFinalResonance += resonancedelta;                  break;
438          // needed for initialization of parameter              case ::gig::vcf_cutoff_ctrl_effect1:
439          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value;                  ctrl = 12;
440      }                  break;
441                case ::gig::vcf_cutoff_ctrl_effect2:
442      /**                  ctrl = 13;
443       *  Synthesizes the current audio fragment for this voice.                  break;
444       *              case ::gig::vcf_cutoff_ctrl_breath:
445       *  @param Samples - number of sample points to be rendered in this audio                  ctrl = 2;
446       *                   fragment cycle                  break;
447       *  @param pSrc    - pointer to input sample data              case ::gig::vcf_cutoff_ctrl_foot:
448       *  @param Skip    - number of sample points to skip in output buffer                  ctrl = 4;
449       */                  break;
450      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {              case ::gig::vcf_cutoff_ctrl_sustainpedal:
451          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pChannelLeft->Buffer()[Skip];                  ctrl = 64;
452          finalSynthesisParameters.pOutRight = &pEngineChannel->pChannelRight->Buffer()[Skip];                  break;
453          finalSynthesisParameters.pSrc      = pSrc;              case ::gig::vcf_cutoff_ctrl_softpedal:
454                    ctrl = 67;
455          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();                  break;
456          RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();              case ::gig::vcf_cutoff_ctrl_genpurpose7:
457                            ctrl = 82;
458                    break;
459          if (itTriggerEvent) { // skip events that happened before this voice was triggered              case ::gig::vcf_cutoff_ctrl_genpurpose8:
460              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;                  ctrl = 83;
461              // we can't simply compare the timestamp here, because note events                  break;
462              // might happen on the same time stamp, so we have to deal on the              case ::gig::vcf_cutoff_ctrl_aftertouch:
463              // actual sequence the note events arrived instead (see bug #112)                  ctrl = 128;
464              for (; itNoteEvent; ++itNoteEvent) {                  break;
465                  if (itTriggerEvent == itNoteEvent) {              case ::gig::vcf_cutoff_ctrl_none:
466                      ++itNoteEvent;              default:
467                      break;                  ctrl = 0;
468                  }                  break;
             }  
         }  
   
         uint killPos;  
         if (itKillEvent) {  
             int maxFadeOutPos = Samples - pEngine->MinFadeOutSamples;  
             if (maxFadeOutPos < 0) {  
                 // There's not enough space in buffer to do a fade out  
                 // from max volume (this can only happen for audio  
                 // drivers that use Samples < MaxSamplesPerCycle).  
                 // End the EG1 here, at pos 0, with a shorter max fade  
                 // out time.  
                 EG1.enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 itKillEvent = Pool<Event>::Iterator();  
             } else {  
                 killPos = RTMath::Min(itKillEvent->FragmentPos(), maxFadeOutPos);  
             }  
469          }          }
470    
471          uint i = Skip;          return ctrl;*/ // TODO: ^^^
472          /*while (i < Samples) {          return 0;
             int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);  
   
             // initialize all final synthesis parameters  
             fFinalCutoff    = VCFCutoffCtrl.fvalue;  
             fFinalResonance = VCFResonanceCtrl.fvalue;  
   
             // process MIDI control change and pitchbend events for this subfragment  
             processCCEvents(itCCEvent, iSubFragmentEnd);  
   
             finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;  
             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, or if the  
             // filter EG is finished, switch EG1 to fade out stage  
             if ((itKillEvent && killPos <= iSubFragmentEnd) ||  
                 (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&  
                  EG2.getSegmentType() == EGADSR::segment_end)) {  
                 EG1.enterFadeOutStage();  
                 itKillEvent = Pool<Event>::Iterator();  
             }  
   
             // process envelope generators  
             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();  
   
             // process low frequency oscillators  
             if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());  
             if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();  
             if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());  
   
             // limit the pitch so we don't read outside the buffer  
             finalSynthesisParameters.fFinalPitch = RTMath::Min(finalSynthesisParameters.fFinalPitch, float(1 << CONFIG_MAX_PITCH));  
   
             // if filter enabled then update filter coefficients  
             if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {  
                 finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);  
                 finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);  
             }  
   
             // do we need resampling?  
             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);  
   
             fFinalVolume = 1.0;  
             // prepare final synthesis parameters structure  
             finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;  
 #ifdef CONFIG_INTERPOLATE_VOLUME  
             finalSynthesisParameters.fFinalVolumeDeltaLeft  = 1;  
             finalSynthesisParameters.fFinalVolumeDeltaRight = 1;  
 #else  
             finalSynthesisParameters.fFinalVolumeLeft  =1;  
             finalSynthesisParameters.fFinalVolumeRight =1;  
 #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 (pRegion->SampleLoops && Pos <= pRegion->pSampleLoops[0].LoopStart && pRegion->pSampleLoops[0].LoopStart < newPos) {  
                     EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
                 } // TODO:  
   
                 EG1.increment(1);  
                 if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             }  
             if (EG2.active()) {  
                 EG2.increment(1);  
                 if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);  
             }  
             EG3.increment(1);  
             if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached  
   
             Pos = newPos;  
             i = iSubFragmentEnd;  
         }*/  
   
             int32_t* pSrc2 = NULL;  
             if((pSample->GetFrameSize() / pSample->GetChannelCount()) == 4) pSrc2 = (int32_t*)pSrc;  
             for(int j = 0; j < Samples; j++) {  
                 int lp, rp;  
                 if(pSample->GetChannelCount() == 1) {  
                     lp = (int)(finalSynthesisParameters.dPos + j);  
                     rp = (int)(finalSynthesisParameters.dPos + j);  
                 } else {  
                     lp = (int)(finalSynthesisParameters.dPos + j) * 2;  
                     rp = (int)(finalSynthesisParameters.dPos + j) * 2 + 1;  
                 }  
                 float left, right;  
                 if(pSrc2 != NULL) {  
                     left = pSrc2[lp]; right = pSrc2[rp];  
                 } else {  
                     left = pSrc[lp]; right = pSrc[rp];  
                 }  
                 float f = (pSrc2 == NULL ? 32768.0f : 32768.0f * 65536.0f);  
                 left /= f; right /= f;  
                 finalSynthesisParameters.pOutLeft[j] += left;  
                 finalSynthesisParameters.pOutRight[j] += right;  
             }  
             finalSynthesisParameters.dPos += Samples;  
473      }      }
474    
475      /** @brief Update current portamento position.      uint8_t Voice::GetVCFResonanceCtrl() {
476       *          /*uint8_t ctrl;
477       * Will be called when portamento mode is enabled to get the final          switch (pRegion->VCFResonanceController) {
478       * portamento position of this active voice from where the next voice(s)              case ::gig::vcf_res_ctrl_genpurpose3:
479       * might continue to slide on.                  ctrl = 18;
480       *                  break;
481       * @param itNoteOffEvent - event which causes this voice to die soon              case ::gig::vcf_res_ctrl_genpurpose4:
482       */                  ctrl = 19;
483      void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {                  break;
484          const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());              case ::gig::vcf_res_ctrl_genpurpose5:
485          pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;                  ctrl = 80;
486      }                  break;
487                case ::gig::vcf_res_ctrl_genpurpose6:
488      /**                  ctrl = 81;
489       *  Immediately kill the voice. This method should not be used to kill                  break;
490       *  a normal, active voice, because it doesn't take care of things like              case ::gig::vcf_res_ctrl_none:
491       *  fading down the volume level to avoid clicks and regular processing              default:
492       *  until the kill event actually occured!                  ctrl = 0;
      *  
      * If it's necessary to know when the voice's disk stream was actually  
      * deleted, then one can set the optional @a bRequestNotification  
      * parameter and this method will then return the handle of the disk  
      * stream (unique identifier) and one can use this handle to poll the  
      * disk thread if this stream has been deleted. In any case this method  
      * will return immediately and will not block until the stream actually  
      * was deleted.  
      *  
      * @param bRequestNotification - (optional) whether the disk thread shall  
      *                                provide a notification once it deleted  
      *                               the respective disk stream  
      *                               (default=false)  
      * @returns handle to the voice's disk stream or @c Stream::INVALID_HANDLE  
      *          if the voice did not use a disk stream at all  
      * @see Kill()  
      */  
     Stream::Handle Voice::KillImmediately(bool bRequestNotification) {  
         Stream::Handle hStream = Stream::INVALID_HANDLE;  
         if (DiskVoice && DiskStreamRef.State != Stream::state_unused) {  
             pDiskThread->OrderDeletionOfStream(&DiskStreamRef, bRequestNotification);  
             hStream = DiskStreamRef.hStream;  
493          }          }
         Reset();  
         return hStream;  
     }  
494    
495      /**          return ctrl;*/ // TODO: ^^^
496       *  Kill the voice in regular sense. Let the voice render audio until          return 0;
497       *  the kill event actually occured and then fade down the volume level      }
      *  very quickly and let the voice die finally. Unlike a normal release  
      *  of a voice, a kill process cannot be cancalled and is therefore  
      *  usually used for voice stealing and key group conflicts.  
      *  
      *  @param itKillEvent - event which caused the voice to be killed  
      */  
     void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {  
         #if CONFIG_DEVMODE  
         if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));  
         if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));  
         #endif // CONFIG_DEVMODE  
498    
499          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;      float Voice::GetReleaseTriggerAttenuation(float noteLength) {
500          this->itKillEvent = itKillEvent;          // pow(10, -rt_decay * noteLength / 20):
501            return expf(RgnInfo.ReleaseTriggerDecay * noteLength);
502      }      }
503    
504  }} // namespace LinuxSampler::sfz  }} // namespace LinuxSampler::sfz
Legend:
Removed from v.2012  
changed lines
  Added in v.2086
  ViewVC Help
Powered by ViewVC