/[svn]/linuxsampler/trunk/src/engines/gig/Voice.cpp
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revision 287 by schoenebeck, Sat Oct 16 17:38:03 2004 UTC revision 783 by persson, Sun Oct 2 14:40:52 2005 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 Christian Schoenebeck                              *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   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 20  Line 21 
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
23    
24  #include "EGADSR.h"  #include "../../common/Features.h"
25  #include "Manipulator.h"  #include "Synthesizer.h"
26    #include "Profiler.h"
27    
28  #include "Voice.h"  #include "Voice.h"
29    
# Line 29  namespace LinuxSampler { namespace gig { Line 31  namespace LinuxSampler { namespace gig {
31    
32      const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff());      const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff());
33    
     const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask());  
   
34      float Voice::CalculateFilterCutoffCoeff() {      float Voice::CalculateFilterCutoffCoeff() {
35          return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX);          return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN);
     }  
   
     int Voice::CalculateFilterUpdateMask() {  
         if (FILTER_UPDATE_PERIOD <= 0) return 0;  
         int power_of_two;  
         for (power_of_two = 0; 1<<power_of_two < FILTER_UPDATE_PERIOD; power_of_two++);  
         return (1 << power_of_two) - 1;  
36      }      }
37    
38      Voice::Voice() {      Voice::Voice() {
39          pEngine     = NULL;          pEngine     = NULL;
40          pDiskThread = NULL;          pDiskThread = NULL;
41          PlaybackState = playback_state_end;          PlaybackState = playback_state_end;
42          pEG1   = NULL;          pLFO1 = new LFOUnsigned(1.0f);  // amplitude EG (0..1 range)
43          pEG2   = NULL;          pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)
44          pEG3   = NULL;          pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)
         pVCAManipulator  = NULL;  
         pVCFCManipulator = NULL;  
         pVCOManipulator  = NULL;  
         pLFO1  = NULL;  
         pLFO2  = NULL;  
         pLFO3  = NULL;  
45          KeyGroup = 0;          KeyGroup = 0;
46            SynthesisMode = 0; // set all mode bits to 0 first
47            // select synthesis implementation (currently either pure C++ or MMX+SSE(1))
48            #if CONFIG_ASM && ARCH_X86
49            SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());
50            #else
51            SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);
52            #endif
53            SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, Profiler::isEnabled());
54    
55            finalSynthesisParameters.filterLeft.Reset();
56            finalSynthesisParameters.filterRight.Reset();
57      }      }
58    
59      Voice::~Voice() {      Voice::~Voice() {
         if (pEG1)  delete pEG1;  
         if (pEG2)  delete pEG2;  
         if (pEG3)  delete pEG3;  
60          if (pLFO1) delete pLFO1;          if (pLFO1) delete pLFO1;
61          if (pLFO2) delete pLFO2;          if (pLFO2) delete pLFO2;
62          if (pLFO3) delete pLFO3;          if (pLFO3) delete pLFO3;
         if (pVCAManipulator)  delete pVCAManipulator;  
         if (pVCFCManipulator) delete pVCFCManipulator;  
         if (pVCOManipulator)  delete pVCOManipulator;  
63      }      }
64    
65      void Voice::SetEngine(Engine* pEngine) {      void Voice::SetEngine(Engine* pEngine) {
66          this->pEngine = pEngine;          this->pEngine     = pEngine;
   
         // delete old objects  
         if (pEG1) delete pEG1;  
         if (pEG2) delete pEG2;  
         if (pEG3) delete pEG3;  
         if (pVCAManipulator)  delete pVCAManipulator;  
         if (pVCFCManipulator) delete pVCFCManipulator;  
         if (pVCOManipulator)  delete pVCOManipulator;  
         if (pLFO1) delete pLFO1;  
         if (pLFO2) delete pLFO2;  
         if (pLFO3) delete pLFO3;  
   
         // create new ones  
         pEG1   = new EGADSR(pEngine, Event::destination_vca);  
         pEG2   = new EGADSR(pEngine, Event::destination_vcfc);  
         pEG3   = new EGDecay(pEngine, Event::destination_vco);  
         pVCAManipulator  = new VCAManipulator(pEngine);  
         pVCFCManipulator = new VCFCManipulator(pEngine);  
         pVCOManipulator  = new VCOManipulator(pEngine);  
         pLFO1  = new LFO<gig::VCAManipulator>(0.0f, 1.0f, LFO<VCAManipulator>::propagation_top_down, pVCAManipulator, pEngine->pEventPool);  
         pLFO2  = new LFO<gig::VCFCManipulator>(0.0f, 1.0f, LFO<VCFCManipulator>::propagation_top_down, pVCFCManipulator, pEngine->pEventPool);  
         pLFO3  = new LFO<gig::VCOManipulator>(-1200.0f, 1200.0f, LFO<VCOManipulator>::propagation_middle_balanced, pVCOManipulator, pEngine->pEventPool); // +-1 octave (+-1200 cents) max.  
   
67          this->pDiskThread = pEngine->pDiskThread;          this->pDiskThread = pEngine->pDiskThread;
68          dmsg(6,("Voice::SetEngine()\n"));          dmsg(6,("Voice::SetEngine()\n"));
69      }      }
# Line 103  namespace LinuxSampler { namespace gig { Line 72  namespace LinuxSampler { namespace gig {
72       *  Initializes and triggers the voice, a disk stream will be launched if       *  Initializes and triggers the voice, a disk stream will be launched if
73       *  needed.       *  needed.
74       *       *
75       *  @param itNoteOnEvent       - event that caused triggering of this voice       *  @param pEngineChannel - engine channel on which this voice was ordered
76       *  @param PitchBend           - MIDI detune factor (-8192 ... +8191)       *  @param itNoteOnEvent  - event that caused triggering of this voice
77       *  @param pInstrument         - points to the loaded instrument which provides sample wave(s) and articulation data       *  @param PitchBend      - MIDI detune factor (-8192 ... +8191)
78       *  @param iLayer              - layer number this voice refers to (only if this is a layered sound of course)       *  @param pDimRgn        - points to the dimension region which provides sample wave(s) and articulation data
79       *  @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false)       *  @param VoiceType      - type of this voice
80       *  @param VoiceStealing       - wether the voice is allowed to steal voices for further subvoices       *  @param iKeyGroup      - a value > 0 defines a key group in which this voice is member of
81       *  @returns 0 on success, a value < 0 if something failed       *  @returns 0 on success, a value < 0 if the voice wasn't triggered
82         *           (either due to an error or e.g. because no region is
83         *           defined for the given key)
84       */       */
85      int Voice::Trigger(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {      int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) {
86          if (!pInstrument) {          this->pEngineChannel = pEngineChannel;
87             dmsg(1,("voice::trigger: !pInstrument\n"));          this->pDimRgn        = pDimRgn;
88             exit(EXIT_FAILURE);  
89            #if CONFIG_DEVMODE
90            if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging
91                dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));
92          }          }
93            #endif // CONFIG_DEVMODE
94    
95          Type            = type_normal;          Type            = VoiceType;
96          MIDIKey         = itNoteOnEvent->Param.Note.Key;          MIDIKey         = itNoteOnEvent->Param.Note.Key;
97          pRegion         = pInstrument->GetRegion(MIDIKey);          PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet
         PlaybackState   = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed  
98          Delay           = itNoteOnEvent->FragmentPos();          Delay           = itNoteOnEvent->FragmentPos();
99          itTriggerEvent  = itNoteOnEvent;          itTriggerEvent  = itNoteOnEvent;
100          itKillEvent     = Pool<Event>::Iterator();          itKillEvent     = Pool<Event>::Iterator();
101          itChildVoice    = Pool<Voice>::Iterator();          KeyGroup        = iKeyGroup;
102            pSample         = pDimRgn->pSample; // sample won't change until the voice is finished
103    
104          if (!pRegion) {          // calculate volume
105              std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush;          const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);
             KillImmediately();  
             return -1;  
         }  
106    
107          KeyGroup = pRegion->KeyGroup;          Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)
108    
109          // get current dimension values to select the right dimension region          Volume *= pDimRgn->SampleAttenuation;
110          //FIXME: controller values for selecting the dimension region here are currently not sample accurate  
111          uint DimValues[5] = {0,0,0,0,0};          // the volume of release triggered samples depends on note length
112          for (int i = pRegion->Dimensions - 1; i >= 0; i--) {          if (Type == type_release_trigger) {
113              switch (pRegion->pDimensionDefinitions[i].dimension) {              float noteLength = float(pEngine->FrameTime + Delay -
114                  case ::gig::dimension_samplechannel:                                       pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate;
115                      DimValues[i] = 0; //TODO: we currently ignore this dimension              float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength;
116                      break;              if (attenuation <= 0) return -1;
117                  case ::gig::dimension_layer:              Volume *= attenuation;
                     DimValues[i] = iLayer;  
                     // if this is the 1st layer then spawn further voices for all the other layers  
                     if (iLayer == 0)  
                         for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++)  
                             itChildVoice = pEngine->LaunchVoice(itNoteOnEvent, iNewLayer, ReleaseTriggerVoice, VoiceStealing);  
                     break;  
                 case ::gig::dimension_velocity:  
                     DimValues[i] = itNoteOnEvent->Param.Note.Velocity;  
                     break;  
                 case ::gig::dimension_channelaftertouch:  
                     DimValues[i] = 0; //TODO: we currently ignore this dimension  
                     break;  
                 case ::gig::dimension_releasetrigger:  
                     Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal;  
                     DimValues[i] = (uint) ReleaseTriggerVoice;  
                     break;  
                 case ::gig::dimension_keyboard:  
                     DimValues[i] = (uint) itNoteOnEvent->Param.Note.Key;  
                     break;  
                 case ::gig::dimension_modwheel:  
                     DimValues[i] = pEngine->ControllerTable[1];  
                     break;  
                 case ::gig::dimension_breath:  
                     DimValues[i] = pEngine->ControllerTable[2];  
                     break;  
                 case ::gig::dimension_foot:  
                     DimValues[i] = pEngine->ControllerTable[4];  
                     break;  
                 case ::gig::dimension_portamentotime:  
                     DimValues[i] = pEngine->ControllerTable[5];  
                     break;  
                 case ::gig::dimension_effect1:  
                     DimValues[i] = pEngine->ControllerTable[12];  
                     break;  
                 case ::gig::dimension_effect2:  
                     DimValues[i] = pEngine->ControllerTable[13];  
                     break;  
                 case ::gig::dimension_genpurpose1:  
                     DimValues[i] = pEngine->ControllerTable[16];  
                     break;  
                 case ::gig::dimension_genpurpose2:  
                     DimValues[i] = pEngine->ControllerTable[17];  
                     break;  
                 case ::gig::dimension_genpurpose3:  
                     DimValues[i] = pEngine->ControllerTable[18];  
                     break;  
                 case ::gig::dimension_genpurpose4:  
                     DimValues[i] = pEngine->ControllerTable[19];  
                     break;  
                 case ::gig::dimension_sustainpedal:  
                     DimValues[i] = pEngine->ControllerTable[64];  
                     break;  
                 case ::gig::dimension_portamento:  
                     DimValues[i] = pEngine->ControllerTable[65];  
                     break;  
                 case ::gig::dimension_sostenutopedal:  
                     DimValues[i] = pEngine->ControllerTable[66];  
                     break;  
                 case ::gig::dimension_softpedal:  
                     DimValues[i] = pEngine->ControllerTable[67];  
                     break;  
                 case ::gig::dimension_genpurpose5:  
                     DimValues[i] = pEngine->ControllerTable[80];  
                     break;  
                 case ::gig::dimension_genpurpose6:  
                     DimValues[i] = pEngine->ControllerTable[81];  
                     break;  
                 case ::gig::dimension_genpurpose7:  
                     DimValues[i] = pEngine->ControllerTable[82];  
                     break;  
                 case ::gig::dimension_genpurpose8:  
                     DimValues[i] = pEngine->ControllerTable[83];  
                     break;  
                 case ::gig::dimension_effect1depth:  
                     DimValues[i] = pEngine->ControllerTable[91];  
                     break;  
                 case ::gig::dimension_effect2depth:  
                     DimValues[i] = pEngine->ControllerTable[92];  
                     break;  
                 case ::gig::dimension_effect3depth:  
                     DimValues[i] = pEngine->ControllerTable[93];  
                     break;  
                 case ::gig::dimension_effect4depth:  
                     DimValues[i] = pEngine->ControllerTable[94];  
                     break;  
                 case ::gig::dimension_effect5depth:  
                     DimValues[i] = pEngine->ControllerTable[95];  
                     break;  
                 case ::gig::dimension_none:  
                     std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush;  
                     break;  
                 default:  
                     std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush;  
             }  
118          }          }
119          pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]);  
120            // select channel mode (mono or stereo)
121            SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);
122    
123          // get starting crossfade volume level          // get starting crossfade volume level
124          switch (pDimRgn->AttenuationController.type) {          switch (pDimRgn->AttenuationController.type) {
# Line 249  namespace LinuxSampler { namespace gig { Line 129  namespace LinuxSampler { namespace gig {
129                  CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity);                  CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity);
130                  break;                  break;
131              case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate              case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate
132                  CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]);                  CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]);
133                  break;                  break;
134              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined              case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined
135              default:              default:
# Line 259  namespace LinuxSampler { namespace gig { Line 139  namespace LinuxSampler { namespace gig {
139          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;
140          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;
141    
142          pSample = pDimRgn->pSample; // sample won't change until the voice is finished          finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)
143            Pos = pDimRgn->SampleStartOffset;
         Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)  
144    
145          // Check if the sample needs disk streaming or is too short for that          // Check if the sample needs disk streaming or is too short for that
146          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;
147          DiskVoice          = cachedsamples < pSample->SamplesTotal;          DiskVoice          = cachedsamples < pSample->SamplesTotal;
148    
149          if (DiskVoice) { // voice to be streamed from disk          if (DiskVoice) { // voice to be streamed from disk
150              MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << 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)              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)
151    
152              // check if there's a loop defined which completely fits into the cached (RAM) part of the sample              // check if there's a loop defined which completely fits into the cached (RAM) part of the sample
153              if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) {              if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) {
154                  RAMLoop        = true;                  RAMLoop            = true;
155                  LoopCyclesLeft = pSample->LoopPlayCount;                  loop.uiTotalCycles = pSample->LoopPlayCount;
156                    loop.uiCyclesLeft  = pSample->LoopPlayCount;
157                    loop.uiStart       = pSample->LoopStart;
158                    loop.uiEnd         = pSample->LoopEnd;
159                    loop.uiSize        = pSample->LoopSize;
160              }              }
161              else RAMLoop = false;              else RAMLoop = false;
162    
# Line 287  namespace LinuxSampler { namespace gig { Line 170  namespace LinuxSampler { namespace gig {
170          else { // RAM only voice          else { // RAM only voice
171              MaxRAMPos = cachedsamples;              MaxRAMPos = cachedsamples;
172              if (pSample->Loops) {              if (pSample->Loops) {
173                  RAMLoop        = true;                  RAMLoop           = true;
174                  LoopCyclesLeft = pSample->LoopPlayCount;                  loop.uiCyclesLeft = pSample->LoopPlayCount;
175              }              }
176              else RAMLoop = false;              else RAMLoop = false;
177              dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));              dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));
# Line 297  namespace LinuxSampler { namespace gig { Line 180  namespace LinuxSampler { namespace gig {
180    
181          // calculate initial pitch value          // calculate initial pitch value
182          {          {
183              double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12];              double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];
184              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;
185              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate));
186              this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents              this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents
187          }          }
188    
189            // the length of the decay and release curves are dependent on the velocity
190          Volume = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)          const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
   
191    
192          // setup EG 1 (VCA EG)          // setup EG 1 (VCA EG)
193          {          {
# Line 322  namespace LinuxSampler { namespace gig { Line 204  namespace LinuxSampler { namespace gig {
204                      eg1controllervalue = itNoteOnEvent->Param.Note.Velocity;                      eg1controllervalue = itNoteOnEvent->Param.Note.Velocity;
205                      break;                      break;
206                  case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller                  case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller
207                      eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number];                      eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number];
208                      break;                      break;
209              }              }
210              if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;              if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
211    
212              // calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned)              // calculate influence of EG1 controller on EG1's parameters
213              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence)  * eg1controllervalue : 0.0;              // (eg1attack is different from the others)
214              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 0.0;              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?
215              double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0;                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?
216                                          1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;
217              pEG1->Trigger(pDimRgn->EG1PreAttack,              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;
218                            pDimRgn->EG1Attack + eg1attack,              double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0;
219                            pDimRgn->EG1Hold,  
220                            pSample->LoopStart,              EG1.trigger(pDimRgn->EG1PreAttack,
221                            pDimRgn->EG1Decay1 + eg1decay,                          pDimRgn->EG1Attack * eg1attack,
222                            pDimRgn->EG1Decay2 + eg1decay,                          pDimRgn->EG1Hold,
223                            pDimRgn->EG1InfiniteSustain,                          pDimRgn->EG1Decay1 * eg1decay * velrelease,
224                            pDimRgn->EG1Sustain,                          pDimRgn->EG1Decay2 * eg1decay * velrelease,
225                            pDimRgn->EG1Release + eg1release,                          pDimRgn->EG1InfiniteSustain,
226                            Delay);                          pDimRgn->EG1Sustain,
227                            pDimRgn->EG1Release * eg1release * velrelease,
228                            velocityAttenuation,
229                            pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
230          }          }
231    
232    
     #if ENABLE_FILTER  
233          // setup EG 2 (VCF Cutoff EG)          // setup EG 2 (VCF Cutoff EG)
234          {          {
235              // get current value of EG2 controller              // get current value of EG2 controller
# Line 361  namespace LinuxSampler { namespace gig { Line 245  namespace LinuxSampler { namespace gig {
245                      eg2controllervalue = itNoteOnEvent->Param.Note.Velocity;                      eg2controllervalue = itNoteOnEvent->Param.Note.Velocity;
246                      break;                      break;
247                  case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller                  case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller
248                      eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number];                      eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number];
249                      break;                      break;
250              }              }
251              if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;              if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
252    
253              // calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned)              // calculate influence of EG2 controller on EG2's parameters
254              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 0.0;              double eg2attack  = (pDimRgn->EG2ControllerAttackInfluence)  ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence)  * eg2controllervalue : 1.0;
255              double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 0.0;              double eg2decay   = (pDimRgn->EG2ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence)   * eg2controllervalue : 1.0;
256              double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0;              double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0;
257    
258              pEG2->Trigger(pDimRgn->EG2PreAttack,              EG2.trigger(pDimRgn->EG2PreAttack,
259                            pDimRgn->EG2Attack + eg2attack,                          pDimRgn->EG2Attack * eg2attack,
260                            false,                          false,
261                            pSample->LoopStart,                          pDimRgn->EG2Decay1 * eg2decay * velrelease,
262                            pDimRgn->EG2Decay1 + eg2decay,                          pDimRgn->EG2Decay2 * eg2decay * velrelease,
263                            pDimRgn->EG2Decay2 + eg2decay,                          pDimRgn->EG2InfiniteSustain,
264                            pDimRgn->EG2InfiniteSustain,                          pDimRgn->EG2Sustain,
265                            pDimRgn->EG2Sustain,                          pDimRgn->EG2Release * eg2release * velrelease,
266                            pDimRgn->EG2Release + eg2release,                          velocityAttenuation,
267                            Delay);                          pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
268          }          }
     #endif // ENABLE_FILTER  
269    
270    
271          // setup EG 3 (VCO EG)          // setup EG 3 (VCO EG)
272          {          {
273            double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);            double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);
274            pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay);            EG3.trigger(eg3depth, pDimRgn->EG3Attack, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
275          }          }
276    
277    
# Line 399  namespace LinuxSampler { namespace gig { Line 282  namespace LinuxSampler { namespace gig {
282                  case ::gig::lfo1_ctrl_internal:                  case ::gig::lfo1_ctrl_internal:
283                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;
284                      pLFO1->ExtController = 0; // no external controller                      pLFO1->ExtController = 0; // no external controller
285                        bLFO1Enabled         = (lfo1_internal_depth > 0);
286                      break;                      break;
287                  case ::gig::lfo1_ctrl_modwheel:                  case ::gig::lfo1_ctrl_modwheel:
288                      lfo1_internal_depth  = 0;                      lfo1_internal_depth  = 0;
289                      pLFO1->ExtController = 1; // MIDI controller 1                      pLFO1->ExtController = 1; // MIDI controller 1
290                        bLFO1Enabled         = (pDimRgn->LFO1ControlDepth > 0);
291                      break;                      break;
292                  case ::gig::lfo1_ctrl_breath:                  case ::gig::lfo1_ctrl_breath:
293                      lfo1_internal_depth  = 0;                      lfo1_internal_depth  = 0;
294                      pLFO1->ExtController = 2; // MIDI controller 2                      pLFO1->ExtController = 2; // MIDI controller 2
295                        bLFO1Enabled         = (pDimRgn->LFO1ControlDepth > 0);
296                      break;                      break;
297                  case ::gig::lfo1_ctrl_internal_modwheel:                  case ::gig::lfo1_ctrl_internal_modwheel:
298                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;
299                      pLFO1->ExtController = 1; // MIDI controller 1                      pLFO1->ExtController = 1; // MIDI controller 1
300                        bLFO1Enabled         = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0);
301                      break;                      break;
302                  case ::gig::lfo1_ctrl_internal_breath:                  case ::gig::lfo1_ctrl_internal_breath:
303                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;
304                      pLFO1->ExtController = 2; // MIDI controller 2                      pLFO1->ExtController = 2; // MIDI controller 2
305                        bLFO1Enabled         = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0);
306                      break;                      break;
307                  default:                  default:
308                      lfo1_internal_depth  = 0;                      lfo1_internal_depth  = 0;
309                      pLFO1->ExtController = 0; // no external controller                      pLFO1->ExtController = 0; // no external controller
310                        bLFO1Enabled         = false;
311              }              }
312              pLFO1->Trigger(pDimRgn->LFO1Frequency,              if (bLFO1Enabled) pLFO1->trigger(pDimRgn->LFO1Frequency,
313                            lfo1_internal_depth,                                               start_level_max,
314                            pDimRgn->LFO1ControlDepth,                                               lfo1_internal_depth,
315                            pEngine->ControllerTable[pLFO1->ExtController],                                               pDimRgn->LFO1ControlDepth,
316                            pDimRgn->LFO1FlipPhase,                                               pDimRgn->LFO1FlipPhase,
317                            pEngine->SampleRate,                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                           Delay);  
318          }          }
319    
320      #if ENABLE_FILTER  
321          // setup LFO 2 (VCF Cutoff LFO)          // setup LFO 2 (VCF Cutoff LFO)
322          {          {
323              uint16_t lfo2_internal_depth;              uint16_t lfo2_internal_depth;
# Line 437  namespace LinuxSampler { namespace gig { Line 325  namespace LinuxSampler { namespace gig {
325                  case ::gig::lfo2_ctrl_internal:                  case ::gig::lfo2_ctrl_internal:
326                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;
327                      pLFO2->ExtController = 0; // no external controller                      pLFO2->ExtController = 0; // no external controller
328                        bLFO2Enabled         = (lfo2_internal_depth > 0);
329                      break;                      break;
330                  case ::gig::lfo2_ctrl_modwheel:                  case ::gig::lfo2_ctrl_modwheel:
331                      lfo2_internal_depth  = 0;                      lfo2_internal_depth  = 0;
332                      pLFO2->ExtController = 1; // MIDI controller 1                      pLFO2->ExtController = 1; // MIDI controller 1
333                        bLFO2Enabled         = (pDimRgn->LFO2ControlDepth > 0);
334                      break;                      break;
335                  case ::gig::lfo2_ctrl_foot:                  case ::gig::lfo2_ctrl_foot:
336                      lfo2_internal_depth  = 0;                      lfo2_internal_depth  = 0;
337                      pLFO2->ExtController = 4; // MIDI controller 4                      pLFO2->ExtController = 4; // MIDI controller 4
338                        bLFO2Enabled         = (pDimRgn->LFO2ControlDepth > 0);
339                      break;                      break;
340                  case ::gig::lfo2_ctrl_internal_modwheel:                  case ::gig::lfo2_ctrl_internal_modwheel:
341                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;
342                      pLFO2->ExtController = 1; // MIDI controller 1                      pLFO2->ExtController = 1; // MIDI controller 1
343                        bLFO2Enabled         = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0);
344                      break;                      break;
345                  case ::gig::lfo2_ctrl_internal_foot:                  case ::gig::lfo2_ctrl_internal_foot:
346                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;
347                      pLFO2->ExtController = 4; // MIDI controller 4                      pLFO2->ExtController = 4; // MIDI controller 4
348                        bLFO2Enabled         = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0);
349                      break;                      break;
350                  default:                  default:
351                      lfo2_internal_depth  = 0;                      lfo2_internal_depth  = 0;
352                      pLFO2->ExtController = 0; // no external controller                      pLFO2->ExtController = 0; // no external controller
353                        bLFO2Enabled         = false;
354              }              }
355              pLFO2->Trigger(pDimRgn->LFO2Frequency,              if (bLFO2Enabled) pLFO2->trigger(pDimRgn->LFO2Frequency,
356                            lfo2_internal_depth,                                               start_level_max,
357                            pDimRgn->LFO2ControlDepth,                                               lfo2_internal_depth,
358                            pEngine->ControllerTable[pLFO2->ExtController],                                               pDimRgn->LFO2ControlDepth,
359                            pDimRgn->LFO2FlipPhase,                                               pDimRgn->LFO2FlipPhase,
360                            pEngine->SampleRate,                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                           Delay);  
361          }          }
362      #endif // ENABLE_FILTER  
363    
364          // setup LFO 3 (VCO LFO)          // setup LFO 3 (VCO LFO)
365          {          {
# Line 475  namespace LinuxSampler { namespace gig { Line 368  namespace LinuxSampler { namespace gig {
368                  case ::gig::lfo3_ctrl_internal:                  case ::gig::lfo3_ctrl_internal:
369                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
370                      pLFO3->ExtController = 0; // no external controller                      pLFO3->ExtController = 0; // no external controller
371                        bLFO3Enabled         = (lfo3_internal_depth > 0);
372                      break;                      break;
373                  case ::gig::lfo3_ctrl_modwheel:                  case ::gig::lfo3_ctrl_modwheel:
374                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
375                      pLFO3->ExtController = 1; // MIDI controller 1                      pLFO3->ExtController = 1; // MIDI controller 1
376                        bLFO3Enabled         = (pDimRgn->LFO3ControlDepth > 0);
377                      break;                      break;
378                  case ::gig::lfo3_ctrl_aftertouch:                  case ::gig::lfo3_ctrl_aftertouch:
379                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
380                      pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet                      pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet
381                        bLFO3Enabled         = false; // see TODO comment in line above
382                      break;                      break;
383                  case ::gig::lfo3_ctrl_internal_modwheel:                  case ::gig::lfo3_ctrl_internal_modwheel:
384                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
385                      pLFO3->ExtController = 1; // MIDI controller 1                      pLFO3->ExtController = 1; // MIDI controller 1
386                        bLFO3Enabled         = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0);
387                      break;                      break;
388                  case ::gig::lfo3_ctrl_internal_aftertouch:                  case ::gig::lfo3_ctrl_internal_aftertouch:
389                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
390                      pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet                      pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet
391                        bLFO3Enabled         = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above
392                      break;                      break;
393                  default:                  default:
394                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
395                      pLFO3->ExtController = 0; // no external controller                      pLFO3->ExtController = 0; // no external controller
396                        bLFO3Enabled         = false;
397              }              }
398              pLFO3->Trigger(pDimRgn->LFO3Frequency,              if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency,
399                            lfo3_internal_depth,                                               start_level_mid,
400                            pDimRgn->LFO3ControlDepth,                                               lfo3_internal_depth,
401                            pEngine->ControllerTable[pLFO3->ExtController],                                               pDimRgn->LFO3ControlDepth,
402                            false,                                               false,
403                            pEngine->SampleRate,                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                           Delay);  
404          }          }
405    
406      #if ENABLE_FILTER  
407          #if FORCE_FILTER_USAGE          #if CONFIG_FORCE_FILTER
408          FilterLeft.Enabled = FilterRight.Enabled = true;          const bool bUseFilter = true;
409          #else // use filter only if instrument file told so          #else // use filter only if instrument file told so
410          FilterLeft.Enabled = FilterRight.Enabled = pDimRgn->VCFEnabled;          const bool bUseFilter = pDimRgn->VCFEnabled;
411          #endif // FORCE_FILTER_USAGE          #endif // CONFIG_FORCE_FILTER
412          if (pDimRgn->VCFEnabled) {          SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter);
413              #ifdef OVERRIDE_FILTER_CUTOFF_CTRL          if (bUseFilter) {
414              VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL;              #ifdef CONFIG_OVERRIDE_CUTOFF_CTRL
415                VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL;
416              #else // use the one defined in the instrument file              #else // use the one defined in the instrument file
417              switch (pDimRgn->VCFCutoffController) {              switch (pDimRgn->VCFCutoffController) {
418                  case ::gig::vcf_cutoff_ctrl_modwheel:                  case ::gig::vcf_cutoff_ctrl_modwheel:
# Line 549  namespace LinuxSampler { namespace gig { Line 448  namespace LinuxSampler { namespace gig {
448                      VCFCutoffCtrl.controller = 0;                      VCFCutoffCtrl.controller = 0;
449                      break;                      break;
450              }              }
451              #endif // OVERRIDE_FILTER_CUTOFF_CTRL              #endif // CONFIG_OVERRIDE_CUTOFF_CTRL
452    
453              #ifdef OVERRIDE_FILTER_RES_CTRL              #ifdef CONFIG_OVERRIDE_RESONANCE_CTRL
454              VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_CTRL;              VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL;
455              #else // use the one defined in the instrument file              #else // use the one defined in the instrument file
456              switch (pDimRgn->VCFResonanceController) {              switch (pDimRgn->VCFResonanceController) {
457                  case ::gig::vcf_res_ctrl_genpurpose3:                  case ::gig::vcf_res_ctrl_genpurpose3:
# Line 571  namespace LinuxSampler { namespace gig { Line 470  namespace LinuxSampler { namespace gig {
470                  default:                  default:
471                      VCFResonanceCtrl.controller = 0;                      VCFResonanceCtrl.controller = 0;
472              }              }
473              #endif // OVERRIDE_FILTER_RES_CTRL              #endif // CONFIG_OVERRIDE_RESONANCE_CTRL
474    
475              #ifndef OVERRIDE_FILTER_TYPE              #ifndef CONFIG_OVERRIDE_FILTER_TYPE
476              FilterLeft.SetType(pDimRgn->VCFType);              finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType);
477              FilterRight.SetType(pDimRgn->VCFType);              finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType);
478              #else // override filter type              #else // override filter type
479              FilterLeft.SetType(OVERRIDE_FILTER_TYPE);              FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE);
480              FilterRight.SetType(OVERRIDE_FILTER_TYPE);              FilterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE);
481              #endif // OVERRIDE_FILTER_TYPE              #endif // CONFIG_OVERRIDE_FILTER_TYPE
482    
483              VCFCutoffCtrl.value    = pEngine->ControllerTable[VCFCutoffCtrl.controller];              VCFCutoffCtrl.value    = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];
484              VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller];              VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller];
485    
486              // calculate cutoff frequency              // calculate cutoff frequency
487              float cutoff = (!VCFCutoffCtrl.controller)              float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity);
488                  ? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX              if (pDimRgn->VCFKeyboardTracking) {
489                  : exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX;                  cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
490                }
491                CutoffBase = cutoff;
492    
493                int cvalue;
494                if (VCFCutoffCtrl.controller) {
495                    cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];
496                    if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
497                    if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;
498                }
499                else {
500                    cvalue = pDimRgn->VCFCutoff;
501                }
502                cutoff *= float(cvalue) * 0.00787402f; // (1 / 127)
503                if (cutoff > 1.0) cutoff = 1.0;
504                cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN;
505    
506              // calculate resonance              // calculate resonance
507              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0
# Line 596  namespace LinuxSampler { namespace gig { Line 510  namespace LinuxSampler { namespace gig {
510              }              }
511              Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0)              Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0)
512    
513              VCFCutoffCtrl.fvalue    = cutoff - FILTER_CUTOFF_MIN;              VCFCutoffCtrl.fvalue    = cutoff - CONFIG_FILTER_CUTOFF_MIN;
514              VCFResonanceCtrl.fvalue = resonance;              VCFResonanceCtrl.fvalue = resonance;
   
             FilterLeft.SetParameters(cutoff,  resonance, pEngine->SampleRate);  
             FilterRight.SetParameters(cutoff, resonance, pEngine->SampleRate);  
   
             FilterUpdateCounter = -1;  
515          }          }
516          else {          else {
517              VCFCutoffCtrl.controller    = 0;              VCFCutoffCtrl.controller    = 0;
518              VCFResonanceCtrl.controller = 0;              VCFResonanceCtrl.controller = 0;
519          }          }
     #endif // ENABLE_FILTER  
520    
521          return 0; // success          return 0; // success
522      }      }
# Line 626  namespace LinuxSampler { namespace gig { Line 534  namespace LinuxSampler { namespace gig {
534       */       */
535      void Voice::Render(uint Samples) {      void Voice::Render(uint Samples) {
536    
537          // Reset the synthesis parameter matrix          // select default values for synthesis mode bits
538          pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume);          SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);
         pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);  
     #if ENABLE_FILTER  
         pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);  
         pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);  
     #endif // ENABLE_FILTER  
   
   
         // Apply events to the synthesis parameter matrix  
         ProcessEvents(Samples);  
   
   
         // Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment  
         pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent);  
     #if ENABLE_FILTER  
         pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend);  
     #endif // ENABLE_FILTER  
         pEG3->Process(Samples);  
         pLFO1->Process(Samples);  
     #if ENABLE_FILTER  
         pLFO2->Process(Samples);  
     #endif // ENABLE_FILTER  
         pLFO3->Process(Samples);  
   
   
     #if ENABLE_FILTER  
         CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters  
     #endif // ENABLE_FILTER  
   
539    
540          switch (this->PlaybackState) {          switch (this->PlaybackState) {
541    
542                case playback_state_init:
543                    this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed
544                    // no break - continue with playback_state_ram
545    
546              case playback_state_ram: {              case playback_state_ram: {
547                      if (RAMLoop) InterpolateAndLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay);                      if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping
548                      else         InterpolateNoLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay);  
549                        // render current fragment
550                        Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay);
551    
552                      if (DiskVoice) {                      if (DiskVoice) {
553                          // check if we reached the allowed limit of the sample RAM cache                          // check if we reached the allowed limit of the sample RAM cache
554                          if (Pos > MaxRAMPos) {                          if (finalSynthesisParameters.dPos > MaxRAMPos) {
555                              dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", Pos));                              dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", finalSynthesisParameters.dPos));
556                              this->PlaybackState = playback_state_disk;                              this->PlaybackState = playback_state_disk;
557                          }                          }
558                      }                      } else if (finalSynthesisParameters.dPos >= pSample->GetCache().Size / pSample->FrameSize) {
                     else if (Pos >= pSample->GetCache().Size / pSample->FrameSize) {  
559                          this->PlaybackState = playback_state_end;                          this->PlaybackState = playback_state_end;
560                      }                      }
561                  }                  }
# Line 684  namespace LinuxSampler { namespace gig { Line 570  namespace LinuxSampler { namespace gig {
570                              KillImmediately();                              KillImmediately();
571                              return;                              return;
572                          }                          }
573                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos));                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(finalSynthesisParameters.dPos) - MaxRAMPos));
574                          Pos -= RTMath::DoubleToInt(Pos);                          finalSynthesisParameters.dPos -= int(finalSynthesisParameters.dPos);
575                            RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet
576                      }                      }
577    
578                        const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();
579    
580                      // add silence sample at the end if we reached the end of the stream (for the interpolator)                      // add silence sample at the end if we reached the end of the stream (for the interpolator)
581                      if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) {                      if (DiskStreamRef.State == Stream::state_end) {
582                          DiskStreamRef.pStream->WriteSilence((pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels);                          const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm
583                          this->PlaybackState = playback_state_end;                          if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {
584                                // remember how many sample words there are before any silence has been added
585                                if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead;
586                                DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);
587                            }
588                      }                      }
589    
590                      sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from                      sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from
591                      InterpolateNoLoop(Samples, ptr, Delay);  
592                      DiskStreamRef.pStream->IncrementReadPos(RTMath::DoubleToInt(Pos) * pSample->Channels);                      // render current audio fragment
593                      Pos -= RTMath::DoubleToInt(Pos);                      Synthesize(Samples, ptr, Delay);
594    
595                        const int iPos = (int) finalSynthesisParameters.dPos;
596                        const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read
597                        DiskStreamRef.pStream->IncrementReadPos(readSampleWords);
598                        finalSynthesisParameters.dPos -= iPos; // just keep fractional part of playback position
599    
600                        // change state of voice to 'end' if we really reached the end of the sample data
601                        if (RealSampleWordsLeftToRead >= 0) {
602                            RealSampleWordsLeftToRead -= readSampleWords;
603                            if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end;
604                        }
605                  }                  }
606                  break;                  break;
607    
# Line 706  namespace LinuxSampler { namespace gig { Line 610  namespace LinuxSampler { namespace gig {
610                  break;                  break;
611          }          }
612    
   
         // Reset synthesis event lists (except VCO, as VCO events apply channel wide currently)  
         pEngine->pSynthesisEvents[Event::destination_vca]->clear();  
     #if ENABLE_FILTER  
         pEngine->pSynthesisEvents[Event::destination_vcfc]->clear();  
         pEngine->pSynthesisEvents[Event::destination_vcfr]->clear();  
     #endif // ENABLE_FILTER  
   
613          // Reset delay          // Reset delay
614          Delay = 0;          Delay = 0;
615    
616          itTriggerEvent = Pool<Event>::Iterator();          itTriggerEvent = Pool<Event>::Iterator();
617    
618          // If sample stream or release stage finished, kill the voice          // If sample stream or release stage finished, kill the voice
619          if (PlaybackState == playback_state_end || pEG1->GetStage() == EGADSR::stage_end) KillImmediately();          if (PlaybackState == playback_state_end || EG1.getSegmentType() == EGADSR::segment_end) KillImmediately();
620      }      }
621    
622      /**      /**
# Line 728  namespace LinuxSampler { namespace gig { Line 624  namespace LinuxSampler { namespace gig {
624       *  suspended / not running.       *  suspended / not running.
625       */       */
626      void Voice::Reset() {      void Voice::Reset() {
627          pLFO1->Reset();          finalSynthesisParameters.filterLeft.Reset();
628          pLFO2->Reset();          finalSynthesisParameters.filterRight.Reset();
         pLFO3->Reset();  
629          DiskStreamRef.pStream = NULL;          DiskStreamRef.pStream = NULL;
630          DiskStreamRef.hStream = 0;          DiskStreamRef.hStream = 0;
631          DiskStreamRef.State   = Stream::state_unused;          DiskStreamRef.State   = Stream::state_unused;
# Line 741  namespace LinuxSampler { namespace gig { Line 636  namespace LinuxSampler { namespace gig {
636      }      }
637    
638      /**      /**
639       *  Process the control change event lists of the engine for the current       * Process given list of MIDI note on, note off and sustain pedal events
640       *  audio fragment. Event values will be applied to the synthesis parameter       * for the given time.
      *  matrix.  
641       *       *
642       *  @param Samples - number of samples to be rendered in this audio fragment cycle       * @param itEvent - iterator pointing to the next event to be processed
643         * @param End     - youngest time stamp where processing should be stopped
644       */       */
645      void Voice::ProcessEvents(uint Samples) {      void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) {
646            for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
647          // dispatch control change events              if (itEvent->Type == Event::type_release) {
648          RTList<Event>::Iterator itCCEvent = pEngine->pCCEvents->first();                  EG1.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
649          if (Delay) { // skip events that happened before this voice was triggered                  EG2.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
650              while (itCCEvent && itCCEvent->FragmentPos() <= Delay) ++itCCEvent;              } else if (itEvent->Type == Event::type_cancel_release) {
651          }                  EG1.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
652          while (itCCEvent) {                  EG2.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
             if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller  
                 #if ENABLE_FILTER  
                 if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {  
                     *pEngine->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent;  
                 }  
                 if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {  
                     *pEngine->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent;  
                 }  
                 #endif // ENABLE_FILTER  
                 if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) {  
                     pLFO1->SendEvent(itCCEvent);  
                 }  
                 #if ENABLE_FILTER  
                 if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) {  
                     pLFO2->SendEvent(itCCEvent);  
                 }  
                 #endif // ENABLE_FILTER  
                 if (itCCEvent->Param.CC.Controller == pLFO3->ExtController) {  
                     pLFO3->SendEvent(itCCEvent);  
                 }  
                 if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&  
                     itCCEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event  
                     *pEngine->pSynthesisEvents[Event::destination_vca]->allocAppend() = *itCCEvent;  
                 }  
653              }              }
   
             ++itCCEvent;  
654          }          }
655        }
656    
657        /**
658          // process pitch events       * Process given list of MIDI control change and pitch bend events for
659          {       * the given time.
660              RTList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco];       *
661              RTList<Event>::Iterator itVCOEvent = pVCOEventList->first();       * @param itEvent - iterator pointing to the next event to be processed
662              if (Delay) { // skip events that happened before this voice was triggered       * @param End     - youngest time stamp where processing should be stopped
663                  while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent;       */
664              }      void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {
665              // apply old pitchbend value until first pitch event occurs          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
666              if (this->PitchBend != 1.0) {              if (itEvent->Type == Event::type_control_change &&
667                  uint end = (itVCOEvent) ? itVCOEvent->FragmentPos() : Samples;                  itEvent->Param.CC.Controller) { // if (valid) MIDI control change event
668                  for (uint i = Delay; i < end; i++) {                  if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {
669                      pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend;                      processCutoffEvent(itEvent);
670                    }
671                    if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {
672                        processResonanceEvent(itEvent);
673                  }                  }
674              }                  if (itEvent->Param.CC.Controller == pLFO1->ExtController) {
675              float pitch;                      pLFO1->update(itEvent->Param.CC.Value);
             while (itVCOEvent) {  
                 RTList<Event>::Iterator itNextVCOEvent = itVCOEvent;  
                 ++itNextVCOEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextVCOEvent) ? itNextVCOEvent->FragmentPos() : Samples;  
   
                 pitch = RTMath::CentsToFreqRatio(((double) itVCOEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents  
   
                 // apply pitch value to the pitch parameter sequence  
                 for (uint i = itVCOEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch;  
676                  }                  }
677                    if (itEvent->Param.CC.Controller == pLFO2->ExtController) {
678                  itVCOEvent = itNextVCOEvent;                      pLFO2->update(itEvent->Param.CC.Value);
             }  
             if (!pVCOEventList->isEmpty()) this->PitchBend = pitch;  
         }  
   
         // process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !)  
         {  
             RTList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca];  
             RTList<Event>::Iterator itVCAEvent = pVCAEventList->first();  
             if (Delay) { // skip events that happened before this voice was triggered  
                 while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent;  
             }  
             float crossfadevolume;  
             while (itVCAEvent) {  
                 RTList<Event>::Iterator itNextVCAEvent = itVCAEvent;  
                 ++itNextVCAEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextVCAEvent) ? itNextVCAEvent->FragmentPos() : Samples;  
   
                 crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value);  
   
                 float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume;  
   
                 // apply volume value to the volume parameter sequence  
                 for (uint i = itVCAEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume;  
679                  }                  }
680                    if (itEvent->Param.CC.Controller == pLFO3->ExtController) {
681                  itVCAEvent = itNextVCAEvent;                      pLFO3->update(itEvent->Param.CC.Value);
             }  
             if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume;  
         }  
   
     #if ENABLE_FILTER  
         // process filter cutoff events  
         {  
             RTList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc];  
             RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first();  
             if (Delay) { // skip events that happened before this voice was triggered  
                 while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent;  
             }  
             float cutoff;  
             while (itCutoffEvent) {  
                 RTList<Event>::Iterator itNextCutoffEvent = itCutoffEvent;  
                 ++itNextCutoffEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples;  
   
                 cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN;  
   
                 // apply cutoff frequency to the cutoff parameter sequence  
                 for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff;  
682                  }                  }
683                    if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
684                  itCutoffEvent = itNextCutoffEvent;                      itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {
685              }                      processCrossFadeEvent(itEvent);
             if (!pCutoffEventList->isEmpty()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time  
         }  
   
         // process filter resonance events  
         {  
             RTList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr];  
             RTList<Event>::Iterator itResonanceEvent = pResonanceEventList->first();  
             if (Delay) { // skip events that happened before this voice was triggered  
                 while (itResonanceEvent && itResonanceEvent->FragmentPos() <= Delay) ++itResonanceEvent;  
             }  
             while (itResonanceEvent) {  
                 RTList<Event>::Iterator itNextResonanceEvent = itResonanceEvent;  
                 ++itNextResonanceEvent;  
   
                 // calculate the influence length of this event (in sample points)  
                 uint end = (itNextResonanceEvent) ? itNextResonanceEvent->FragmentPos() : Samples;  
   
                 // convert absolute controller value to differential  
                 int ctrldelta = itResonanceEvent->Param.CC.Value - VCFResonanceCtrl.value;  
                 VCFResonanceCtrl.value = itResonanceEvent->Param.CC.Value;  
   
                 float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0  
   
                 // apply cutoff frequency to the cutoff parameter sequence  
                 for (uint i = itResonanceEvent->FragmentPos(); i < end; i++) {  
                     pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta;  
686                  }                  }
687                } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
688                  itResonanceEvent = itNextResonanceEvent;                  processPitchEvent(itEvent);
689              }              }
             if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time  
690          }          }
     #endif // ENABLE_FILTER  
691      }      }
692    
693      #if ENABLE_FILTER      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {
694      /**          const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents
695       * Calculate all necessary, final biquad filter parameters.          finalSynthesisParameters.fFinalPitch *= pitch;
696       *          PitchBend = pitch;
697       * @param Samples - number of samples to be rendered in this audio fragment cycle      }
698       */  
699      void Voice::CalculateBiquadParameters(uint Samples) {      void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) {
700          if (!FilterLeft.Enabled) return;          CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value);
701            #if CONFIG_PROCESS_MUTED_CHANNELS
702          biquad_param_t bqbase;          const float effectiveVolume = CrossfadeVolume * Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);
703          biquad_param_t bqmain;          #else
704          float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0];          const float effectiveVolume = CrossfadeVolume * Volume * pEngineChannel->GlobalVolume;
705          float prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][0];          #endif
706          FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate);          fFinalVolume = effectiveVolume;
707          pEngine->pBasicFilterParameters[0] = bqbase;      }
708          pEngine->pMainFilterParameters[0]  = bqmain;  
709        void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {
710          float* bq;          int ccvalue = itEvent->Param.CC.Value;
711          for (int i = 1; i < Samples; i++) {          if (VCFCutoffCtrl.value == ccvalue) return;
712              // recalculate biquad parameters if cutoff or resonance differ from previous sample point          VCFCutoffCtrl.value == ccvalue;
713              if (!(i & FILTER_UPDATE_MASK)) if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res ||          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
714                                                 pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) {          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;
715                  prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i];          float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127)
716                  prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][i];          if (cutoff > 1.0) cutoff = 1.0;
717                  FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate);          cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN - CONFIG_FILTER_CUTOFF_MIN;
718              }          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
719            fFinalCutoff = cutoff;
720              //same as 'pEngine->pBasicFilterParameters[i] = bqbase;'      }
721              bq    = (float*) &pEngine->pBasicFilterParameters[i];  
722              bq[0] = bqbase.a1;      void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {
723              bq[1] = bqbase.a2;          // convert absolute controller value to differential
724              bq[2] = bqbase.b0;          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;
725              bq[3] = bqbase.b1;          VCFResonanceCtrl.value = itEvent->Param.CC.Value;
726              bq[4] = bqbase.b2;          const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0
727            fFinalResonance += resonancedelta;
728              // same as 'pEngine->pMainFilterParameters[i] = bqmain;'          // needed for initialization of parameter
729              bq    = (float*) &pEngine->pMainFilterParameters[i];          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f;
             bq[0] = bqmain.a1;  
             bq[1] = bqmain.a2;  
             bq[2] = bqmain.b0;  
             bq[3] = bqmain.b1;  
             bq[4] = bqmain.b2;  
         }  
730      }      }
     #endif // ENABLE_FILTER  
731    
732      /**      /**
733       *  Interpolates the input audio data (without looping).       *  Synthesizes the current audio fragment for this voice.
734       *       *
735       *  @param Samples - number of sample points to be rendered in this audio       *  @param Samples - number of sample points to be rendered in this audio
736       *                   fragment cycle       *                   fragment cycle
737       *  @param pSrc    - pointer to input sample data       *  @param pSrc    - pointer to input sample data
738       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
739       */       */
740      void Voice::InterpolateNoLoop(uint Samples, sample_t* pSrc, uint Skip) {      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
741          int i = Skip;          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pOutputLeft[Skip];
742            finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip];
743            finalSynthesisParameters.pSrc      = pSrc;
744    
745          // FIXME: assuming either mono or stereo          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();
746          if (this->pSample->Channels == 2) { // Stereo Sample          RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();
747              while (i < Samples) InterpolateStereo(pSrc, i);  
748          }          if (Skip) { // skip events that happened before this voice was triggered
749          else { // Mono Sample              while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;
750              while (i < Samples) InterpolateMono(pSrc, i);              while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;
751          }          }
     }  
752    
753      /**          uint i = Skip;
754       *  Interpolates the input audio data, this method honors looping.          while (i < Samples) {
755       *              int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);
      *  @param Samples - number of sample points to be rendered in this audio  
      *                   fragment cycle  
      *  @param pSrc    - pointer to input sample data  
      *  @param Skip    - number of sample points to skip in output buffer  
      */  
     void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) {  
         int i = Skip;  
756    
757          // FIXME: assuming either mono or stereo              // initialize all final synthesis parameters
758          if (pSample->Channels == 2) { // Stereo Sample              finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;
759              if (pSample->LoopPlayCount) {              #if CONFIG_PROCESS_MUTED_CHANNELS
760                  // render loop (loop count limited)              fFinalVolume = this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);
761                  while (i < Samples && LoopCyclesLeft) {              #else
762                      InterpolateStereo(pSrc, i);              fFinalVolume = this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume;
763                      if (Pos > pSample->LoopEnd) {              #endif
764                          Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);;              fFinalCutoff    = VCFCutoffCtrl.fvalue;
765                          LoopCyclesLeft--;              fFinalResonance = VCFResonanceCtrl.fvalue;
766                      }  
767                  }              // process MIDI control change and pitchbend events for this subfragment
768                  // render on without loop              processCCEvents(itCCEvent, iSubFragmentEnd);
769                  while (i < Samples) InterpolateStereo(pSrc, i);  
770                // process transition events (note on, note off & sustain pedal)
771                processTransitionEvents(itNoteEvent, iSubFragmentEnd);
772    
773                // process envelope generators
774                switch (EG1.getSegmentType()) {
775                    case EGADSR::segment_lin:
776                        fFinalVolume *= EG1.processLin();
777                        break;
778                    case EGADSR::segment_exp:
779                        fFinalVolume *= EG1.processExp();
780                        break;
781                    case EGADSR::segment_end:
782                        fFinalVolume *= EG1.getLevel();
783                        break; // noop
784              }              }
785              else { // render loop (endless loop)              switch (EG2.getSegmentType()) {
786                  while (i < Samples) {                  case EGADSR::segment_lin:
787                      InterpolateStereo(pSrc, i);                      fFinalCutoff *= EG2.processLin();
788                      if (Pos > pSample->LoopEnd) {                      break;
789                          Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);                  case EGADSR::segment_exp:
790                      }                      fFinalCutoff *= EG2.processExp();
791                  }                      break;
792                    case EGADSR::segment_end:
793                        fFinalCutoff *= EG2.getLevel();
794                        break; // noop
795              }              }
796          }              if (EG3.active()) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(EG3.render());
797          else { // Mono Sample  
798              if (pSample->LoopPlayCount) {              // process low frequency oscillators
799                  // render loop (loop count limited)              if (bLFO1Enabled) fFinalVolume *= pLFO1->render();
800                  while (i < Samples && LoopCyclesLeft) {              if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();
801                      InterpolateMono(pSrc, i);              if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());
802                      if (Pos > pSample->LoopEnd) {  
803                          Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);;              // if filter enabled then update filter coefficients
804                          LoopCyclesLeft--;              if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {
805                      }                  finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);
806                  }                  finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);
                 // render on without loop  
                 while (i < Samples) InterpolateMono(pSrc, i);  
807              }              }
808              else { // render loop (endless loop)  
809                  while (i < Samples) {              // do we need resampling?
810                      InterpolateMono(pSrc, i);              const float __PLUS_ONE_CENT  = 1.000577789506554859250142541782224725466f;
811                      if (Pos > pSample->LoopEnd) {              const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f;
812                          Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);;              const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT &&
813                      }                                                 finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT);
814                SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);
815    
816                // prepare final synthesis parameters structure
817                finalSynthesisParameters.fFinalVolumeLeft  = fFinalVolume * PanLeft;
818                finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * PanRight;
819                finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;
820    
821                // render audio for one subfragment
822                RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);
823    
824                const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;
825    
826                // increment envelopes' positions
827                if (EG1.active()) {
828    
829                    // 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
830                    if (pSample->Loops && Pos <= pSample->LoopStart && pSample->LoopStart < newPos) {
831                        EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
832                  }                  }
833    
834                    EG1.increment(1);
835                    if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
836              }              }
837                if (EG2.active()) {
838                    EG2.increment(1);
839                    if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
840                }
841                EG3.increment(1);
842                if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached
843    
844                Pos = newPos;
845                i = iSubFragmentEnd;
846          }          }
847      }      }
848    
# Line 1057  namespace LinuxSampler { namespace gig { Line 871  namespace LinuxSampler { namespace gig {
871       *  @param itKillEvent - event which caused the voice to be killed       *  @param itKillEvent - event which caused the voice to be killed
872       */       */
873      void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {      void Voice::Kill(Pool<Event>::Iterator& itKillEvent) {
874          //FIXME: just two sanity checks for debugging, can be removed          #if CONFIG_DEVMODE
875          if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));          if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n"));
876          if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));          if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n"));
877            #endif // CONFIG_DEVMODE
878    
879          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;          if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return;
880          this->itKillEvent = itKillEvent;          this->itKillEvent = itKillEvent;
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