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

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revision 2224 by iliev, Mon Aug 1 19:08:09 2011 UTC revision 2298 by iliev, Fri Dec 9 17:04:24 2011 UTC
# Line 34  namespace LinuxSampler { namespace sfz { Line 34  namespace LinuxSampler { namespace sfz {
34      typedef LinuxSampler::VoiceBase<EngineChannel, ::sfz::Region, Sample, DiskThread> SfzVoice;      typedef LinuxSampler::VoiceBase<EngineChannel, ::sfz::Region, Sample, DiskThread> SfzVoice;
35      Voice::Voice(): SignalRack(this), SfzVoice(&SignalRack) {      Voice::Voice(): SignalRack(this), SfzVoice(&SignalRack) {
36          pEngine     = NULL;          pEngine     = NULL;
37            bEqSupport = true;
38      }      }
39    
40      Voice::~Voice() {      Voice::~Voice() {
# Line 74  namespace LinuxSampler { namespace sfz { Line 75  namespace LinuxSampler { namespace sfz {
75          ri.Pan       = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63          ri.Pan       = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63
76          ri.SampleStartOffset = pRegion->offset ? *(pRegion->offset) : 0;          ri.SampleStartOffset = pRegion->offset ? *(pRegion->offset) : 0;
77    
         ri.EG2PreAttack        = pRegion->fileg_start * 10;  
         ri.EG2Attack           = pRegion->fileg_attack;  
         //ri.EG2Hold             = pRegion->fileg_hold; // TODO:  
         ri.EG2Decay1           = pRegion->fileg_decay;  
         ri.EG2Decay2           = pRegion->fileg_decay;  
         ri.EG2Sustain          = pRegion->fileg_sustain * 10;  
         ri.EG2InfiniteSustain  = true;  
         ri.EG2Release          = pRegion->fileg_release;  
   
         ri.EG3Attack     = pRegion->pitcheg_attack;  
         ri.EG3Depth      = 0; // TODO:  
78          ri.VCFEnabled    = pRegion->cutoff;          ri.VCFEnabled    = pRegion->cutoff;
79          switch (pRegion->fil_type) {          switch (pRegion->fil_type) {
80          case ::sfz::LPF_1P:          case ::sfz::LPF_1P:
# Line 164  namespace LinuxSampler { namespace sfz { Line 154  namespace LinuxSampler { namespace sfz {
154          }*/ // TODO: ^^^          }*/ // TODO: ^^^
155      }      }
156    
     void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) {  
         int ccvalue = itEvent->Param.CC.Value;  
         if (VCFCutoffCtrl.value == ccvalue) return;  
         VCFCutoffCtrl.value = ccvalue;  
   
         float cutoff = CutoffBase * RTMath::CentsToFreqRatioUnlimited(  
             ccvalue / 127.0f * pRegion->cutoff_oncc[VCFCutoffCtrl.controller]);  
         if (cutoff > 0.49 * pEngine->SampleRate) cutoff = 0.49 * pEngine->SampleRate;  
   
         VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time  
         fFinalCutoff = cutoff;  
     }  
   
157      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {      double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) {
158          /*float crossfadeVolume;          /*float crossfadeVolume;
159          switch (pRegion->AttenuationController.type) {          switch (pRegion->AttenuationController.type) {
# Line 282  namespace LinuxSampler { namespace sfz { Line 259  namespace LinuxSampler { namespace sfz {
259      }      }
260    
261      float Voice::CalculateFinalCutoff(float cutoffBase) {      float Voice::CalculateFinalCutoff(float cutoffBase) {
262          float cutoff;          float cutoff = cutoffBase;
         if (VCFCutoffCtrl.controller) {  
             int ccvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller];  
             cutoff = CutoffBase * RTMath::CentsToFreqRatioUnlimited(  
                 ccvalue / 127.0f * pRegion->cutoff_oncc[VCFCutoffCtrl.controller]);  
         } else {  
             cutoff = cutoffBase;  
         }  
263          if (cutoff > 0.49 * pEngine->SampleRate) cutoff = 0.49 * pEngine->SampleRate;          if (cutoff > 0.49 * pEngine->SampleRate) cutoff = 0.49 * pEngine->SampleRate;
264          return cutoff;          return cutoff;
265      }      }
266    
     uint8_t Voice::GetVCFCutoffCtrl() {  
         // TODO: the sfz format allows several CC for the same  
         // modulation destination. The Voice interface needs to be  
         // changed to support that.  
         if (pRegion->cutoff_cc) return pRegion->cutoff_cc;  
         else if (pRegion->cutoff_chanaft) return 128;  
         return 0;  
     }  
   
     uint8_t Voice::GetVCFResonanceCtrl() {  
         /*uint8_t ctrl;  
         switch (pRegion->VCFResonanceController) {  
             case ::gig::vcf_res_ctrl_genpurpose3:  
                 ctrl = 18;  
                 break;  
             case ::gig::vcf_res_ctrl_genpurpose4:  
                 ctrl = 19;  
                 break;  
             case ::gig::vcf_res_ctrl_genpurpose5:  
                 ctrl = 80;  
                 break;  
             case ::gig::vcf_res_ctrl_genpurpose6:  
                 ctrl = 81;  
                 break;  
             case ::gig::vcf_res_ctrl_none:  
             default:  
                 ctrl = 0;  
         }  
   
         return ctrl;*/ // TODO: ^^^  
         return 0;  
     }  
   
267      float Voice::GetReleaseTriggerAttenuation(float noteLength) {      float Voice::GetReleaseTriggerAttenuation(float noteLength) {
268          // pow(10, -rt_decay * noteLength / 20):          // pow(10, -rt_decay * noteLength / 20):
269          return expf(RgnInfo.ReleaseTriggerDecay * noteLength);          return expf(RgnInfo.ReleaseTriggerDecay * noteLength);
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