/[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 687 by schoenebeck, Tue Jul 12 22:37:21 2005 UTC revision 729 by persson, Tue Jul 26 11:18:46 2005 UTC
# Line 35  namespace LinuxSampler { namespace gig { Line 35  namespace LinuxSampler { namespace gig {
35      const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask());      const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask());
36    
37      float Voice::CalculateFilterCutoffCoeff() {      float Voice::CalculateFilterCutoffCoeff() {
38          return log(CONFIG_FILTER_CUTOFF_MIN / CONFIG_FILTER_CUTOFF_MAX);          return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN);
39      }      }
40    
41      int Voice::CalculateFilterUpdateMask() {      int Voice::CalculateFilterUpdateMask() {
# Line 249  namespace LinuxSampler { namespace gig { Line 249  namespace LinuxSampler { namespace gig {
249              }              }
250              if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;              if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue;
251    
252              // calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned)              // calculate influence of EG1 controller on EG1's parameters
253              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence)  * eg1controllervalue : 0.0;              // (eg1attack is different from the others)
254              double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 0.0;              double eg1attack  = (pDimRgn->EG1ControllerAttackInfluence)  ?
255              double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0;                  1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ?
256                                          1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0;
257                double eg1decay   = (pDimRgn->EG1ControllerDecayInfluence)   ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence)   * eg1controllervalue : 1.0;
258                double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0;
259    
260              pEG1->Trigger(pDimRgn->EG1PreAttack,              pEG1->Trigger(pDimRgn->EG1PreAttack,
261                            pDimRgn->EG1Attack + eg1attack,                            pDimRgn->EG1Attack * eg1attack,
262                            pDimRgn->EG1Hold,                            pDimRgn->EG1Hold,
263                            pSample->LoopStart,                            pSample->LoopStart,
264                            (pDimRgn->EG1Decay1 + eg1decay) * velrelease,                            pDimRgn->EG1Decay1 * eg1decay * velrelease,
265                            (pDimRgn->EG1Decay2 + eg1decay) * velrelease,                            pDimRgn->EG1Decay2 * eg1decay * velrelease,
266                            pDimRgn->EG1InfiniteSustain,                            pDimRgn->EG1InfiniteSustain,
267                            pDimRgn->EG1Sustain,                            pDimRgn->EG1Sustain,
268                            (pDimRgn->EG1Release + eg1release) * velrelease,                            pDimRgn->EG1Release * eg1release * velrelease,
269                            // the SSE synthesis implementation requires                            // the SSE synthesis implementation requires
270                            // the vca start to be 16 byte aligned                            // the vca start to be 16 byte aligned
271                            SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ?                            SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ?
# Line 291  namespace LinuxSampler { namespace gig { Line 294  namespace LinuxSampler { namespace gig {
294              }              }
295              if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;              if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue;
296    
297              // calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned)              // calculate influence of EG2 controller on EG2's parameters
298              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;
299              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;
300              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;
301    
302              pEG2->Trigger(pDimRgn->EG2PreAttack,              pEG2->Trigger(pDimRgn->EG2PreAttack,
303                            pDimRgn->EG2Attack + eg2attack,                            pDimRgn->EG2Attack * eg2attack,
304                            false,                            false,
305                            pSample->LoopStart,                            pSample->LoopStart,
306                            (pDimRgn->EG2Decay1 + eg2decay) * velrelease,                            pDimRgn->EG2Decay1 * eg2decay * velrelease,
307                            (pDimRgn->EG2Decay2 + eg2decay) * velrelease,                            pDimRgn->EG2Decay2 * eg2decay * velrelease,
308                            pDimRgn->EG2InfiniteSustain,                            pDimRgn->EG2InfiniteSustain,
309                            pDimRgn->EG2Sustain,                            pDimRgn->EG2Sustain,
310                            (pDimRgn->EG2Release + eg2release) * velrelease,                            pDimRgn->EG2Release * eg2release * velrelease,
311                            Delay,                            Delay,
312                            velocityAttenuation);                            velocityAttenuation);
313          }          }
# Line 529  namespace LinuxSampler { namespace gig { Line 532  namespace LinuxSampler { namespace gig {
532              VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller];              VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller];
533    
534              // calculate cutoff frequency              // calculate cutoff frequency
535              float cutoff = (!VCFCutoffCtrl.controller)              float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity);
536                  ? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX              if (pDimRgn->VCFKeyboardTracking) {
537                  : 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)
538                }
539                CutoffBase = cutoff;
540    
541                int cvalue;
542                if (VCFCutoffCtrl.controller) {
543                    cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];
544                    if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
545                    if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;
546                }
547                else {
548                    cvalue = pDimRgn->VCFCutoff;
549                }
550                cutoff *= float(cvalue) * 0.00787402f; // (1 / 127)
551                if (cutoff > 1.0) cutoff = 1.0;
552                cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN;
553    
554              // calculate resonance              // calculate resonance
555              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0
# Line 573  namespace LinuxSampler { namespace gig { Line 591  namespace LinuxSampler { namespace gig {
591    
592          // Reset the synthesis parameter matrix          // Reset the synthesis parameter matrix
593    
594            #if CONFIG_PROCESS_MUTED_CHANNELS
595            pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume));
596            #else
597          pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume);          pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume);
598            #endif
599          pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);          pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase);
600          pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);          pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue);
601          pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);          pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue);
# Line 803  namespace LinuxSampler { namespace gig { Line 825  namespace LinuxSampler { namespace gig {
825    
826                  crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value);                  crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value);
827    
828                    #if CONFIG_PROCESS_MUTED_CHANNELS
829                    float effective_volume = crossfadevolume * this->Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);
830                    #else
831                  float effective_volume = crossfadevolume * this->Volume * pEngineChannel->GlobalVolume;                  float effective_volume = crossfadevolume * this->Volume * pEngineChannel->GlobalVolume;
832                    #endif
833    
834                  // apply volume value to the volume parameter sequence                  // apply volume value to the volume parameter sequence
835                  for (uint i = itVCAEvent->FragmentPos(); i < end; i++) {                  for (uint i = itVCAEvent->FragmentPos(); i < end; i++) {
# Line 830  namespace LinuxSampler { namespace gig { Line 856  namespace LinuxSampler { namespace gig {
856                  // calculate the influence length of this event (in sample points)                  // calculate the influence length of this event (in sample points)
857                  uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples;                  uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples;
858    
859                  cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX - CONFIG_FILTER_CUTOFF_MIN;                  int cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];
860                    if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
861                    if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;
862                    cutoff = CutoffBase * float(cvalue) * 0.00787402f; // (1 / 127)
863                    if (cutoff > 1.0) cutoff = 1.0;
864                    cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN - CONFIG_FILTER_CUTOFF_MIN;
865    
866                  // apply cutoff frequency to the cutoff parameter sequence                  // apply cutoff frequency to the cutoff parameter sequence
867                  for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) {                  for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) {
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