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

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revision 614 by persson, Mon Jun 6 16:54:20 2005 UTC revision 738 by schoenebeck, Tue Aug 16 17:14:25 2005 UTC
# Line 21  Line 21 
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
23    
 #include "EGADSR.h"  
 #include "Manipulator.h"  
24  #include "../../common/Features.h"  #include "../../common/Features.h"
25  #include "Synthesizer.h"  #include "Synthesizer.h"
26    
# Line 32  namespace LinuxSampler { namespace gig { Line 30  namespace LinuxSampler { namespace gig {
30    
31      const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff());      const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff());
32    
     const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask());  
   
33      float Voice::CalculateFilterCutoffCoeff() {      float Voice::CalculateFilterCutoffCoeff() {
34          return log(CONFIG_FILTER_CUTOFF_MIN / CONFIG_FILTER_CUTOFF_MAX);          return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN);
     }  
   
     int Voice::CalculateFilterUpdateMask() {  
         if (CONFIG_FILTER_UPDATE_STEPS <= 0) return 0;  
         int power_of_two;  
         for (power_of_two = 0; 1<<power_of_two < CONFIG_FILTER_UPDATE_STEPS; power_of_two++);  
         return (1 << power_of_two) - 1;  
35      }      }
36    
37      Voice::Voice() {      Voice::Voice() {
38          pEngine     = NULL;          pEngine     = NULL;
39          pDiskThread = NULL;          pDiskThread = NULL;
40          PlaybackState = playback_state_end;          PlaybackState = playback_state_end;
41          pEG1   = NULL;          pLFO1 = new LFOUnsigned(1.0f);  // amplitude EG (0..1 range)
42          pEG2   = NULL;          pLFO2 = new LFOUnsigned(1.0f);  // filter EG (0..1 range)
43          pEG3   = NULL;          pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range)
         pVCAManipulator  = NULL;  
         pVCFCManipulator = NULL;  
         pVCOManipulator  = NULL;  
         pLFO1  = NULL;  
         pLFO2  = NULL;  
         pLFO3  = NULL;  
44          KeyGroup = 0;          KeyGroup = 0;
45          SynthesisMode = 0; // set all mode bits to 0 first          SynthesisMode = 0; // set all mode bits to 0 first
46          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))
47          #if ARCH_X86          #if CONFIG_ASM && ARCH_X86
48          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());
49          #else          #else
50          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false);
# Line 73  namespace LinuxSampler { namespace gig { Line 56  namespace LinuxSampler { namespace gig {
56      }      }
57    
58      Voice::~Voice() {      Voice::~Voice() {
         if (pEG1)  delete pEG1;  
         if (pEG2)  delete pEG2;  
         if (pEG3)  delete pEG3;  
59          if (pLFO1) delete pLFO1;          if (pLFO1) delete pLFO1;
60          if (pLFO2) delete pLFO2;          if (pLFO2) delete pLFO2;
61          if (pLFO3) delete pLFO3;          if (pLFO3) delete pLFO3;
         if (pVCAManipulator)  delete pVCAManipulator;  
         if (pVCFCManipulator) delete pVCFCManipulator;  
         if (pVCOManipulator)  delete pVCOManipulator;  
62      }      }
63    
64      void Voice::SetEngine(Engine* pEngine) {      void Voice::SetEngine(Engine* pEngine) {
65          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.  
   
66          this->pDiskThread = pEngine->pDiskThread;          this->pDiskThread = pEngine->pDiskThread;
67          dmsg(6,("Voice::SetEngine()\n"));          dmsg(6,("Voice::SetEngine()\n"));
68      }      }
# Line 117  namespace LinuxSampler { namespace gig { Line 71  namespace LinuxSampler { namespace gig {
71       *  Initializes and triggers the voice, a disk stream will be launched if       *  Initializes and triggers the voice, a disk stream will be launched if
72       *  needed.       *  needed.
73       *       *
74       *  @param pEngineChannel       - engine channel on which this voice was ordered       *  @param pEngineChannel - engine channel on which this voice was ordered
75       *  @param itNoteOnEvent        - event that caused triggering of this voice       *  @param itNoteOnEvent  - event that caused triggering of this voice
76       *  @param PitchBend            - MIDI detune factor (-8192 ... +8191)       *  @param PitchBend      - MIDI detune factor (-8192 ... +8191)
77       *  @param pInstrument          - points to the loaded instrument which provides sample wave(s) and articulation data       *  @param pDimRgn        - points to the dimension region which provides sample wave(s) and articulation data
78       *  @param iLayer               - layer number this voice refers to (only if this is a layered sound of course)       *  @param VoiceType      - type of this voice
79       *  @param ReleaseTriggerVoice  - if this new voice is a release trigger voice (optional, default = false)       *  @param iKeyGroup      - a value > 0 defines a key group in which this voice is member of
      *  @param VoiceStealingAllowed - wether the voice is allowed to steal voices for further subvoices  
80       *  @returns 0 on success, a value < 0 if the voice wasn't triggered       *  @returns 0 on success, a value < 0 if the voice wasn't triggered
81       *           (either due to an error or e.g. because no region is       *           (either due to an error or e.g. because no region is
82       *           defined for the given key)       *           defined for the given key)
83       */       */
84      int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealingAllowed) {      int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) {
85          this->pEngineChannel = pEngineChannel;          this->pEngineChannel = pEngineChannel;
86          if (!pInstrument) {          this->pDimRgn        = pDimRgn;
87             dmsg(1,("voice::trigger: !pInstrument\n"));  
            exit(EXIT_FAILURE);  
         }  
88          #if CONFIG_DEVMODE          #if CONFIG_DEVMODE
89          if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging          if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging
90              dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));              dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n"));
91          }          }
92          #endif // CONFIG_DEVMODE          #endif // CONFIG_DEVMODE
93    
94          Type            = type_normal;          Type            = VoiceType;
95          MIDIKey         = itNoteOnEvent->Param.Note.Key;          MIDIKey         = itNoteOnEvent->Param.Note.Key;
         pRegion         = pInstrument->GetRegion(MIDIKey);  
96          PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet          PlaybackState   = playback_state_init; // mark voice as triggered, but no audio rendered yet
97          Delay           = itNoteOnEvent->FragmentPos();          Delay           = itNoteOnEvent->FragmentPos();
98          itTriggerEvent  = itNoteOnEvent;          itTriggerEvent  = itNoteOnEvent;
99          itKillEvent     = Pool<Event>::Iterator();          itKillEvent     = Pool<Event>::Iterator();
100            KeyGroup        = iKeyGroup;
101            pSample         = pDimRgn->pSample; // sample won't change until the voice is finished
102    
103          if (!pRegion) {          // calculate volume
104              dmsg(4, ("gig::Voice: No Region defined for MIDI key %d\n", MIDIKey));          const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);
             return -1;  
         }  
105    
106          // only mark the first voice of a layered voice (group) to be in a          Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)
         // key group, so the layered voices won't kill each other  
         KeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0;  
107    
108          // get current dimension values to select the right dimension region          Volume *= pDimRgn->SampleAttenuation;
         //FIXME: controller values for selecting the dimension region here are currently not sample accurate  
         uint DimValues[8] = { 0 };  
         for (int i = pRegion->Dimensions - 1; i >= 0; i--) {  
             switch (pRegion->pDimensionDefinitions[i].dimension) {  
                 case ::gig::dimension_samplechannel:  
                     DimValues[i] = 0; //TODO: we currently ignore this dimension  
                     break;  
                 case ::gig::dimension_layer:  
                     DimValues[i] = iLayer;  
                     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) pEngineChannel->CurrentKeyDimension;  
                     break;  
                 case ::gig::dimension_roundrobin:  
                     DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on  
                     break;  
                 case ::gig::dimension_random:  
                     pEngine->RandomSeed = pEngine->RandomSeed * 1103515245 + 12345; // classic pseudo random number generator  
                     DimValues[i] = (uint) pEngine->RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random  
                     break;  
                 case ::gig::dimension_modwheel:  
                     DimValues[i] = pEngineChannel->ControllerTable[1];  
                     break;  
                 case ::gig::dimension_breath:  
                     DimValues[i] = pEngineChannel->ControllerTable[2];  
                     break;  
                 case ::gig::dimension_foot:  
                     DimValues[i] = pEngineChannel->ControllerTable[4];  
                     break;  
                 case ::gig::dimension_portamentotime:  
                     DimValues[i] = pEngineChannel->ControllerTable[5];  
                     break;  
                 case ::gig::dimension_effect1:  
                     DimValues[i] = pEngineChannel->ControllerTable[12];  
                     break;  
                 case ::gig::dimension_effect2:  
                     DimValues[i] = pEngineChannel->ControllerTable[13];  
                     break;  
                 case ::gig::dimension_genpurpose1:  
                     DimValues[i] = pEngineChannel->ControllerTable[16];  
                     break;  
                 case ::gig::dimension_genpurpose2:  
                     DimValues[i] = pEngineChannel->ControllerTable[17];  
                     break;  
                 case ::gig::dimension_genpurpose3:  
                     DimValues[i] = pEngineChannel->ControllerTable[18];  
                     break;  
                 case ::gig::dimension_genpurpose4:  
                     DimValues[i] = pEngineChannel->ControllerTable[19];  
                     break;  
                 case ::gig::dimension_sustainpedal:  
                     DimValues[i] = pEngineChannel->ControllerTable[64];  
                     break;  
                 case ::gig::dimension_portamento:  
                     DimValues[i] = pEngineChannel->ControllerTable[65];  
                     break;  
                 case ::gig::dimension_sostenutopedal:  
                     DimValues[i] = pEngineChannel->ControllerTable[66];  
                     break;  
                 case ::gig::dimension_softpedal:  
                     DimValues[i] = pEngineChannel->ControllerTable[67];  
                     break;  
                 case ::gig::dimension_genpurpose5:  
                     DimValues[i] = pEngineChannel->ControllerTable[80];  
                     break;  
                 case ::gig::dimension_genpurpose6:  
                     DimValues[i] = pEngineChannel->ControllerTable[81];  
                     break;  
                 case ::gig::dimension_genpurpose7:  
                     DimValues[i] = pEngineChannel->ControllerTable[82];  
                     break;  
                 case ::gig::dimension_genpurpose8:  
                     DimValues[i] = pEngineChannel->ControllerTable[83];  
                     break;  
                 case ::gig::dimension_effect1depth:  
                     DimValues[i] = pEngineChannel->ControllerTable[91];  
                     break;  
                 case ::gig::dimension_effect2depth:  
                     DimValues[i] = pEngineChannel->ControllerTable[92];  
                     break;  
                 case ::gig::dimension_effect3depth:  
                     DimValues[i] = pEngineChannel->ControllerTable[93];  
                     break;  
                 case ::gig::dimension_effect4depth:  
                     DimValues[i] = pEngineChannel->ControllerTable[94];  
                     break;  
                 case ::gig::dimension_effect5depth:  
                     DimValues[i] = pEngineChannel->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;  
             }  
         }  
         pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);  
109    
110          pSample = pDimRgn->pSample; // sample won't change until the voice is finished          // the volume of release triggered samples depends on note length
111          if (!pSample || !pSample->SamplesTotal) return -1; // no need to continue if sample is silent          if (Type == type_release_trigger) {
112                float noteLength = float(pEngine->FrameTime + Delay -
113                                         pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate;
114                float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength;
115                if (attenuation <= 0) return -1;
116                Volume *= attenuation;
117            }
118    
119          // select channel mode (mono or stereo)          // select channel mode (mono or stereo)
120          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);
# Line 329  namespace LinuxSampler { namespace gig { Line 176  namespace LinuxSampler { namespace gig {
176          {          {
177              double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];              double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];
178              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;
179              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate));
180              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
181          }          }
182    
         const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);  
   
         Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)  
   
         Volume *= pDimRgn->SampleAttenuation;  
   
183          // the length of the decay and release curves are dependent on the velocity          // the length of the decay and release curves are dependent on the velocity
184          const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);          const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity);
185    
# Line 362  namespace LinuxSampler { namespace gig { Line 203  namespace LinuxSampler { namespace gig {
203              }              }
204              if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;              if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
205    
206              // calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned)              // calculate influence of EG1 controller on EG1's parameters
207              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence)  * eg1controllervalue : 0.0;              // (eg1attack is different from the others)
208              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 0.0;              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?
209              double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0;                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?
210                                          1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;
211              pEG1->Trigger(pDimRgn->EG1PreAttack,              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;
212                            pDimRgn->EG1Attack + eg1attack,              double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0;
213                            pDimRgn->EG1Hold,  
214                            pSample->LoopStart,              EG1.trigger(pDimRgn->EG1PreAttack,
215                            (pDimRgn->EG1Decay1 + eg1decay) * velrelease,                          pDimRgn->EG1Attack * eg1attack,
216                            (pDimRgn->EG1Decay2 + eg1decay) * velrelease,                          pDimRgn->EG1Hold,
217                            pDimRgn->EG1InfiniteSustain,                          pSample->LoopStart,
218                            pDimRgn->EG1Sustain,                          pDimRgn->EG1Decay1 * eg1decay * velrelease,
219                            (pDimRgn->EG1Release + eg1release) * velrelease,                          pDimRgn->EG1Decay2 * eg1decay * velrelease,
220                            // the SSE synthesis implementation requires                          pDimRgn->EG1InfiniteSustain,
221                            // the vca start to be 16 byte aligned                          pDimRgn->EG1Sustain,
222                            SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ?                          pDimRgn->EG1Release * eg1release * velrelease,
223                            Delay & 0xfffffffc : Delay,                          velocityAttenuation,
224                            velocityAttenuation);                          pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
225          }          }
226    
227    
# Line 404  namespace LinuxSampler { namespace gig { Line 245  namespace LinuxSampler { namespace gig {
245              }              }
246              if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;              if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
247    
248              // calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned)              // calculate influence of EG2 controller on EG2's parameters
249              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;
250              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;
251              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;
252    
253              pEG2->Trigger(pDimRgn->EG2PreAttack,              EG2.trigger(pDimRgn->EG2PreAttack,
254                            pDimRgn->EG2Attack + eg2attack,                          pDimRgn->EG2Attack * eg2attack,
255                            false,                          false,
256                            pSample->LoopStart,                          pSample->LoopStart,
257                            (pDimRgn->EG2Decay1 + eg2decay) * velrelease,                          pDimRgn->EG2Decay1 * eg2decay * velrelease,
258                            (pDimRgn->EG2Decay2 + eg2decay) * velrelease,                          pDimRgn->EG2Decay2 * eg2decay * velrelease,
259                            pDimRgn->EG2InfiniteSustain,                          pDimRgn->EG2InfiniteSustain,
260                            pDimRgn->EG2Sustain,                          pDimRgn->EG2Sustain,
261                            (pDimRgn->EG2Release + eg2release) * velrelease,                          pDimRgn->EG2Release * eg2release * velrelease,
262                            Delay,                          velocityAttenuation,
263                            velocityAttenuation);                          pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
264          }          }
265    
266    
267          // setup EG 3 (VCO EG)          // setup EG 3 (VCO EG)
268          {          {
269            double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);            double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);
270            pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay);            EG3.trigger(eg3depth, pDimRgn->EG3Attack, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
271          }          }
272    
273    
# Line 437  namespace LinuxSampler { namespace gig { Line 278  namespace LinuxSampler { namespace gig {
278                  case ::gig::lfo1_ctrl_internal:                  case ::gig::lfo1_ctrl_internal:
279                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;
280                      pLFO1->ExtController = 0; // no external controller                      pLFO1->ExtController = 0; // no external controller
281                        bLFO1Enabled         = (lfo1_internal_depth > 0);
282                      break;                      break;
283                  case ::gig::lfo1_ctrl_modwheel:                  case ::gig::lfo1_ctrl_modwheel:
284                      lfo1_internal_depth  = 0;                      lfo1_internal_depth  = 0;
285                      pLFO1->ExtController = 1; // MIDI controller 1                      pLFO1->ExtController = 1; // MIDI controller 1
286                        bLFO1Enabled         = (pDimRgn->LFO1ControlDepth > 0);
287                      break;                      break;
288                  case ::gig::lfo1_ctrl_breath:                  case ::gig::lfo1_ctrl_breath:
289                      lfo1_internal_depth  = 0;                      lfo1_internal_depth  = 0;
290                      pLFO1->ExtController = 2; // MIDI controller 2                      pLFO1->ExtController = 2; // MIDI controller 2
291                        bLFO1Enabled         = (pDimRgn->LFO1ControlDepth > 0);
292                      break;                      break;
293                  case ::gig::lfo1_ctrl_internal_modwheel:                  case ::gig::lfo1_ctrl_internal_modwheel:
294                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;
295                      pLFO1->ExtController = 1; // MIDI controller 1                      pLFO1->ExtController = 1; // MIDI controller 1
296                        bLFO1Enabled         = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0);
297                      break;                      break;
298                  case ::gig::lfo1_ctrl_internal_breath:                  case ::gig::lfo1_ctrl_internal_breath:
299                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;                      lfo1_internal_depth  = pDimRgn->LFO1InternalDepth;
300                      pLFO1->ExtController = 2; // MIDI controller 2                      pLFO1->ExtController = 2; // MIDI controller 2
301                        bLFO1Enabled         = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0);
302                      break;                      break;
303                  default:                  default:
304                      lfo1_internal_depth  = 0;                      lfo1_internal_depth  = 0;
305                      pLFO1->ExtController = 0; // no external controller                      pLFO1->ExtController = 0; // no external controller
306                        bLFO1Enabled         = false;
307              }              }
308              pLFO1->Trigger(pDimRgn->LFO1Frequency,              if (bLFO1Enabled) pLFO1->trigger(pDimRgn->LFO1Frequency,
309                            lfo1_internal_depth,                                               start_level_max,
310                            pDimRgn->LFO1ControlDepth,                                               lfo1_internal_depth,
311                            pEngineChannel->ControllerTable[pLFO1->ExtController],                                               pDimRgn->LFO1ControlDepth,
312                            pDimRgn->LFO1FlipPhase,                                               pDimRgn->LFO1FlipPhase,
313                            pEngine->SampleRate,                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                           Delay);  
314          }          }
315    
316    
# Line 475  namespace LinuxSampler { namespace gig { Line 321  namespace LinuxSampler { namespace gig {
321                  case ::gig::lfo2_ctrl_internal:                  case ::gig::lfo2_ctrl_internal:
322                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;
323                      pLFO2->ExtController = 0; // no external controller                      pLFO2->ExtController = 0; // no external controller
324                        bLFO2Enabled         = (lfo2_internal_depth > 0);
325                      break;                      break;
326                  case ::gig::lfo2_ctrl_modwheel:                  case ::gig::lfo2_ctrl_modwheel:
327                      lfo2_internal_depth  = 0;                      lfo2_internal_depth  = 0;
328                      pLFO2->ExtController = 1; // MIDI controller 1                      pLFO2->ExtController = 1; // MIDI controller 1
329                        bLFO2Enabled         = (pDimRgn->LFO2ControlDepth > 0);
330                      break;                      break;
331                  case ::gig::lfo2_ctrl_foot:                  case ::gig::lfo2_ctrl_foot:
332                      lfo2_internal_depth  = 0;                      lfo2_internal_depth  = 0;
333                      pLFO2->ExtController = 4; // MIDI controller 4                      pLFO2->ExtController = 4; // MIDI controller 4
334                        bLFO2Enabled         = (pDimRgn->LFO2ControlDepth > 0);
335                      break;                      break;
336                  case ::gig::lfo2_ctrl_internal_modwheel:                  case ::gig::lfo2_ctrl_internal_modwheel:
337                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;
338                      pLFO2->ExtController = 1; // MIDI controller 1                      pLFO2->ExtController = 1; // MIDI controller 1
339                        bLFO2Enabled         = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0);
340                      break;                      break;
341                  case ::gig::lfo2_ctrl_internal_foot:                  case ::gig::lfo2_ctrl_internal_foot:
342                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;                      lfo2_internal_depth  = pDimRgn->LFO2InternalDepth;
343                      pLFO2->ExtController = 4; // MIDI controller 4                      pLFO2->ExtController = 4; // MIDI controller 4
344                        bLFO2Enabled         = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0);
345                      break;                      break;
346                  default:                  default:
347                      lfo2_internal_depth  = 0;                      lfo2_internal_depth  = 0;
348                      pLFO2->ExtController = 0; // no external controller                      pLFO2->ExtController = 0; // no external controller
349                        bLFO2Enabled         = false;
350              }              }
351              pLFO2->Trigger(pDimRgn->LFO2Frequency,              if (bLFO2Enabled) pLFO2->trigger(pDimRgn->LFO2Frequency,
352                            lfo2_internal_depth,                                               start_level_max,
353                            pDimRgn->LFO2ControlDepth,                                               lfo2_internal_depth,
354                            pEngineChannel->ControllerTable[pLFO2->ExtController],                                               pDimRgn->LFO2ControlDepth,
355                            pDimRgn->LFO2FlipPhase,                                               pDimRgn->LFO2FlipPhase,
356                            pEngine->SampleRate,                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                           Delay);  
357          }          }
358    
359    
# Line 513  namespace LinuxSampler { namespace gig { Line 364  namespace LinuxSampler { namespace gig {
364                  case ::gig::lfo3_ctrl_internal:                  case ::gig::lfo3_ctrl_internal:
365                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
366                      pLFO3->ExtController = 0; // no external controller                      pLFO3->ExtController = 0; // no external controller
367                        bLFO3Enabled         = (lfo3_internal_depth > 0);
368                      break;                      break;
369                  case ::gig::lfo3_ctrl_modwheel:                  case ::gig::lfo3_ctrl_modwheel:
370                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
371                      pLFO3->ExtController = 1; // MIDI controller 1                      pLFO3->ExtController = 1; // MIDI controller 1
372                        bLFO3Enabled         = (pDimRgn->LFO3ControlDepth > 0);
373                      break;                      break;
374                  case ::gig::lfo3_ctrl_aftertouch:                  case ::gig::lfo3_ctrl_aftertouch:
375                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
376                      pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet                      pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet
377                        bLFO3Enabled         = false; // see TODO comment in line above
378                      break;                      break;
379                  case ::gig::lfo3_ctrl_internal_modwheel:                  case ::gig::lfo3_ctrl_internal_modwheel:
380                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
381                      pLFO3->ExtController = 1; // MIDI controller 1                      pLFO3->ExtController = 1; // MIDI controller 1
382                        bLFO3Enabled         = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0);
383                      break;                      break;
384                  case ::gig::lfo3_ctrl_internal_aftertouch:                  case ::gig::lfo3_ctrl_internal_aftertouch:
385                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
386                      pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet                      pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet
387                        bLFO3Enabled         = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above
388                      break;                      break;
389                  default:                  default:
390                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
391                      pLFO3->ExtController = 0; // no external controller                      pLFO3->ExtController = 0; // no external controller
392                        bLFO3Enabled         = false;
393              }              }
394              pLFO3->Trigger(pDimRgn->LFO3Frequency,              if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency,
395                            lfo3_internal_depth,                                               start_level_mid,
396                            pDimRgn->LFO3ControlDepth,                                               lfo3_internal_depth,
397                            pEngineChannel->ControllerTable[pLFO3->ExtController],                                               pDimRgn->LFO3ControlDepth,
398                            false,                                               false,
399                            pEngine->SampleRate,                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
                           Delay);  
400          }          }
401    
402    
# Line 624  namespace LinuxSampler { namespace gig { Line 480  namespace LinuxSampler { namespace gig {
480              VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller];              VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller];
481    
482              // calculate cutoff frequency              // calculate cutoff frequency
483              float cutoff = (!VCFCutoffCtrl.controller)              float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity);
484                  ? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX              if (pDimRgn->VCFKeyboardTracking) {
485                  : exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX;                  cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12)
486                }
487                CutoffBase = cutoff;
488    
489                int cvalue;
490                if (VCFCutoffCtrl.controller) {
491                    cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];
492                    if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
493                    if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;
494                }
495                else {
496                    cvalue = pDimRgn->VCFCutoff;
497                }
498                cutoff *= float(cvalue) * 0.00787402f; // (1 / 127)
499                if (cutoff > 1.0) cutoff = 1.0;
500                cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN;
501    
502              // calculate resonance              // calculate resonance
503              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0
# Line 637  namespace LinuxSampler { namespace gig { Line 508  namespace LinuxSampler { namespace gig {
508    
509              VCFCutoffCtrl.fvalue    = cutoff - CONFIG_FILTER_CUTOFF_MIN;              VCFCutoffCtrl.fvalue    = cutoff - CONFIG_FILTER_CUTOFF_MIN;
510              VCFResonanceCtrl.fvalue = resonance;              VCFResonanceCtrl.fvalue = resonance;
   
             FilterUpdateCounter = -1;  
511          }          }
512          else {          else {
513              VCFCutoffCtrl.controller    = 0;              VCFCutoffCtrl.controller    = 0;
# Line 662  namespace LinuxSampler { namespace gig { Line 531  namespace LinuxSampler { namespace gig {
531      void Voice::Render(uint Samples) {      void Voice::Render(uint Samples) {
532    
533          // select default values for synthesis mode bits          // select default values for synthesis mode bits
         SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, (PitchBase * PitchBend) != 1.0f);  
         SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, true);  
534          SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);          SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false);
535    
         // Reset the synthesis parameter matrix  
   
         pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume);  
         pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);  
         pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);  
         pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);  
   
         // 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, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent);  
         pEG2->Process(Samples, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend);  
         if (pEG3->Process(Samples)) { // if pitch EG is active  
             SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);  
             SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);  
         }  
         pLFO1->Process(Samples);  
         pLFO2->Process(Samples);  
         if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active  
             SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);  
             SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);  
         }  
   
         if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode))  
             CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters  
   
536          switch (this->PlaybackState) {          switch (this->PlaybackState) {
537    
538              case playback_state_init:              case playback_state_init:
# Line 767  namespace LinuxSampler { namespace gig { Line 607  namespace LinuxSampler { namespace gig {
607                  break;                  break;
608          }          }
609    
610          // Reset synthesis event lists (except VCO, as VCO events apply channel wide currently)          // Reset synthesis event lists
611          pEngineChannel->pSynthesisEvents[Event::destination_vca]->clear();          pEngineChannel->pEvents->clear();
         pEngineChannel->pSynthesisEvents[Event::destination_vcfc]->clear();  
         pEngineChannel->pSynthesisEvents[Event::destination_vcfr]->clear();  
612    
613          // Reset delay          // Reset delay
614          Delay = 0;          Delay = 0;
# Line 778  namespace LinuxSampler { namespace gig { Line 616  namespace LinuxSampler { namespace gig {
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 786  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() {
         pLFO1->Reset();  
         pLFO2->Reset();  
         pLFO3->Reset();  
627          FilterLeft.Reset();          FilterLeft.Reset();
628          FilterRight.Reset();          FilterRight.Reset();
629          DiskStreamRef.pStream = NULL;          DiskStreamRef.pStream = NULL;
# Line 801  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 = pEngineChannel->pCCEvents->first();                  EG1.update(EGADSR::event_release, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
649          if (Delay) { // skip events that happened before this voice was triggered                  EG2.update(EGADSR::event_release, this->Pos, fFinalPitch, 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, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
652          while (itCCEvent) {                  EG2.update(EGADSR::event_cancel_release, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
             if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller  
                 if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) {  
                     *pEngineChannel->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent;  
                 }  
                 if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) {  
                     *pEngineChannel->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent;  
                 }  
                 if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) {  
                     pLFO1->SendEvent(itCCEvent);  
                 }  
                 if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) {  
                     pLFO2->SendEvent(itCCEvent);  
                 }  
                 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  
                     *pEngineChannel->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 = pEngineChannel->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;  
                 SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true);  
                 SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false);  
             }  
         }  
   
         // process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !)  
         {  
             RTList<Event>* pVCAEventList = pEngineChannel->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 * pEngineChannel->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;  
         }  
   
         // process filter cutoff events  
         {  
             RTList<Event>* pCutoffEventList = pEngineChannel->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) * CONFIG_FILTER_CUTOFF_MAX - CONFIG_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 = pEngineChannel->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          }          }
691      }      }
692    
693      /**      void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) {
694       * Calculate all necessary, final biquad filter parameters.          const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents
695       *          fFinalPitch *= pitch;
696       * @param Samples - number of samples to be rendered in this audio fragment cycle      }
      */  
     void Voice::CalculateBiquadParameters(uint Samples) {  
         biquad_param_t bqbase;  
         biquad_param_t bqmain;  
         float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0];  
         float prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][0];  
         FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);  
         FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);  
         pEngine->pBasicFilterParameters[0] = bqbase;  
         pEngine->pMainFilterParameters[0]  = bqmain;  
   
         float* bq;  
         for (int i = 1; i < Samples; i++) {  
             // recalculate biquad parameters if cutoff or resonance differ from previous sample point  
             if (!(i & FILTER_UPDATE_MASK)) {  
                 if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res ||  
                     pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff)  
                 {  
                     prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i];  
                     prev_res    = pEngine->pSynthesisParameters[Event::destination_vcfr][i];  
                     FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);  
                     FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate);  
                 }  
             }  
697    
698              //same as 'pEngine->pBasicFilterParameters[i] = bqbase;'      void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) {
699              bq    = (float*) &pEngine->pBasicFilterParameters[i];          CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value);
700              bq[0] = bqbase.b0;          #if CONFIG_PROCESS_MUTED_CHANNELS
701              bq[1] = bqbase.b1;          const float effectiveVolume = CrossfadeVolume * Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);
702              bq[2] = bqbase.b2;          #else
703              bq[3] = bqbase.a1;          const float effectiveVolume = CrossfadeVolume * Volume * pEngineChannel->GlobalVolume;
704              bq[4] = bqbase.a2;          #endif
705            fFinalVolume = effectiveVolume;
706              // same as 'pEngine->pMainFilterParameters[i] = bqmain;'      }
707              bq    = (float*) &pEngine->pMainFilterParameters[i];  
708              bq[0] = bqmain.b0;      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {
709              bq[1] = bqmain.b1;          int ccvalue = itEvent->Param.CC.Value;
710              bq[2] = bqmain.b2;          if (VCFCutoffCtrl.value == ccvalue) return;
711              bq[3] = bqmain.a1;          VCFCutoffCtrl.value == ccvalue;
712              bq[4] = bqmain.a2;          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
713          }          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;
714            float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127)
715            if (cutoff > 1.0) cutoff = 1.0;
716            cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN - CONFIG_FILTER_CUTOFF_MIN;
717            VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
718            fFinalCutoff = cutoff;
719        }
720    
721        void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) {
722            // convert absolute controller value to differential
723            const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;
724            VCFResonanceCtrl.value = itEvent->Param.CC.Value;
725            const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0
726            fFinalResonance += resonancedelta;
727            // needed for initialization of parameter
728            VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f;
729      }      }
730    
731      /**      /**
# Line 1022  namespace LinuxSampler { namespace gig { Line 737  namespace LinuxSampler { namespace gig {
737       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
738       */       */
739      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
740          RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip);          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();
741            RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first();
742                    
743            if (Skip) { // skip events that happened before this voice was triggered
744                while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent;
745                while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;
746            }
747            
748            uint i = Skip;
749            while (i < Samples) {
750                int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);
751                
752                // initialize all final synthesis parameters
753                fFinalPitch = PitchBase * PitchBend;
754                #if CONFIG_PROCESS_MUTED_CHANNELS
755                fFinalVolume = this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume));
756                #else
757                fFinalVolume = this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume;
758                #endif
759                fFinalCutoff    = VCFCutoffCtrl.fvalue;
760                fFinalResonance = VCFResonanceCtrl.fvalue;
761                
762                // process MIDI control change and pitchbend events for this subfragment
763                processCCEvents(itCCEvent, iSubFragmentEnd);
764    
765                // process transition events (note on, note off & sustain pedal)
766                processTransitionEvents(itNoteEvent, iSubFragmentEnd);
767                
768                // process envelope generators
769                switch (EG1.getSegmentType()) {
770                    case EGADSR::segment_lin:
771                        fFinalVolume *= EG1.processLin();
772                        break;
773                    case EGADSR::segment_exp:
774                        fFinalVolume *= EG1.processExp();
775                        break;
776                    case EGADSR::segment_end:
777                        fFinalVolume *= EG1.getLevel();
778                        break; // noop
779                }
780                switch (EG2.getSegmentType()) {
781                    case EGADSR::segment_lin:
782                        fFinalCutoff *= EG2.processLin();
783                        break;
784                    case EGADSR::segment_exp:
785                        fFinalCutoff *= EG2.processExp();
786                        break;
787                    case EGADSR::segment_end:
788                        fFinalCutoff *= EG2.getLevel();
789                        break; // noop
790                }
791                fFinalPitch *= RTMath::CentsToFreqRatio(EG3.render());
792                
793                // process low frequency oscillators
794                if (bLFO1Enabled) fFinalVolume *= pLFO1->render();
795                if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();
796                if (bLFO3Enabled) fFinalPitch  *= RTMath::CentsToFreqRatio(pLFO3->render());
797    
798                // if filter enabled then update filter coefficients
799                if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) {
800                    FilterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);
801                    FilterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate);
802                }
803    
804                // how many steps do we calculate for this next subfragment
805                const int steps = iSubFragmentEnd - i;
806                
807                // select the appropriate synthesis mode
808                SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, fFinalPitch != 1.0f);
809                
810                // render audio for one subfragment
811                RunSynthesisFunction(SynthesisMode, *this, iSubFragmentEnd, pSrc, i);
812    
813                // increment envelopes' positions            
814                if (EG1.active()) {
815                    EG1.increment(steps);
816                    if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
817                }
818                if (EG2.active()) {
819                    EG2.increment(steps);
820                    if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
821                }
822                EG3.increment(steps);
823                if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached
824            }
825      }      }
826    
827      /**      /**
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