/[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 781 by schoenebeck, Mon Sep 26 10:17:00 2005 UTC revision 1001 by schoenebeck, Wed Dec 27 16:17:08 2006 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                              *   *   Copyright (C) 2005, 2006 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 29  Line 29 
29    
30  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
31    
     const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff());  
   
     float Voice::CalculateFilterCutoffCoeff() {  
         return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN);  
     }  
   
32      Voice::Voice() {      Voice::Voice() {
33          pEngine     = NULL;          pEngine     = NULL;
34          pDiskThread = NULL;          pDiskThread = NULL;
# Line 104  namespace LinuxSampler { namespace gig { Line 98  namespace LinuxSampler { namespace gig {
98          // calculate volume          // calculate volume
99          const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);          const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity);
100    
101          Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0)          // For 16 bit samples, we downscale by 32768 to convert from
102            // int16 value range to DSP value range (which is
103            // -1.0..1.0). For 24 bit, we downscale from int32.
104            float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f);
105    
106          Volume *= pDimRgn->SampleAttenuation;          volume *= pDimRgn->SampleAttenuation;
107    
108          // the volume of release triggered samples depends on note length          // the volume of release triggered samples depends on note length
109          if (Type == type_release_trigger) {          if (Type == type_release_trigger) {
# Line 114  namespace LinuxSampler { namespace gig { Line 111  namespace LinuxSampler { namespace gig {
111                                       pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate;                                       pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate;
112              float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength;              float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength;
113              if (attenuation <= 0) return -1;              if (attenuation <= 0) return -1;
114              Volume *= attenuation;              volume *= attenuation;
115          }          }
116    
117          // select channel mode (mono or stereo)          // select channel mode (mono or stereo)
118          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);          SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2);
119            // select bit depth (16 or 24)
120            SYNTHESIS_MODE_SET_BITDEPTH24(SynthesisMode, pSample->BitDepth == 24);
121    
122          // get starting crossfade volume level          // get starting crossfade volume level
123            float crossfadeVolume;
124          switch (pDimRgn->AttenuationController.type) {          switch (pDimRgn->AttenuationController.type) {
125              case ::gig::attenuation_ctrl_t::type_channelaftertouch:              case ::gig::attenuation_ctrl_t::type_channelaftertouch:
126                  CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet                  crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[128])];
127                  break;                  break;
128              case ::gig::attenuation_ctrl_t::type_velocity:              case ::gig::attenuation_ctrl_t::type_velocity:
129                  CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity);                  crossfadeVolume = Engine::CrossfadeCurve[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(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]);                  crossfadeVolume = Engine::CrossfadeCurve[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:
136                  CrossfadeVolume = 1.0f;                  crossfadeVolume = 1.0f;
137          }          }
138    
139          PanLeft  = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) /  63.0f;          VolumeLeft  = volume * Engine::PanCurve[64 - pDimRgn->Pan];
140          PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f;          VolumeRight = volume * Engine::PanCurve[64 + pDimRgn->Pan];
141    
142            float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
143            CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate);
144            VolumeSmoother.trigger(pEngineChannel->GlobalVolume * pEngineChannel->MidiVolume, subfragmentRate);
145            PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate);
146            PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate);
147    
148          finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)          finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points)
149            Pos = pDimRgn->SampleStartOffset;
150    
151          // 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
152          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;          long cachedsamples = pSample->GetCache().Size / pSample->FrameSize;
153          DiskVoice          = cachedsamples < pSample->SamplesTotal;          DiskVoice          = cachedsamples < pSample->SamplesTotal;
154    
155            const DLS::sample_loop_t& loopinfo = pDimRgn->pSampleLoops[0];
156    
157          if (DiskVoice) { // voice to be streamed from disk          if (DiskVoice) { // voice to be streamed from disk
158              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)              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)
159    
160              // 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
161              if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) {              RAMLoop = (pDimRgn->SampleLoops && (loopinfo.LoopStart + loopinfo.LoopLength) <= MaxRAMPos);
                 RAMLoop            = true;  
                 loop.uiTotalCycles = pSample->LoopPlayCount;  
                 loop.uiCyclesLeft  = pSample->LoopPlayCount;  
                 loop.uiStart       = pSample->LoopStart;  
                 loop.uiEnd         = pSample->LoopEnd;  
                 loop.uiSize        = pSample->LoopSize;  
             }  
             else RAMLoop = false;  
162    
163              if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) {              if (pDiskThread->OrderNewStream(&DiskStreamRef, pDimRgn, MaxRAMPos, !RAMLoop) < 0) {
164                  dmsg(1,("Disk stream order failed!\n"));                  dmsg(1,("Disk stream order failed!\n"));
165                  KillImmediately();                  KillImmediately();
166                  return -1;                  return -1;
# Line 168  namespace LinuxSampler { namespace gig { Line 169  namespace LinuxSampler { namespace gig {
169          }          }
170          else { // RAM only voice          else { // RAM only voice
171              MaxRAMPos = cachedsamples;              MaxRAMPos = cachedsamples;
172              if (pSample->Loops) {              RAMLoop = (pDimRgn->SampleLoops != 0);
                 RAMLoop           = true;  
                 loop.uiCyclesLeft = pSample->LoopPlayCount;  
             }  
             else RAMLoop = false;  
173              dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));              dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no"));
174          }          }
175            if (RAMLoop) {
176                loop.uiTotalCycles = pSample->LoopPlayCount;
177                loop.uiCyclesLeft  = pSample->LoopPlayCount;
178                loop.uiStart       = loopinfo.LoopStart;
179                loop.uiEnd         = loopinfo.LoopStart + loopinfo.LoopLength;
180                loop.uiSize        = loopinfo.LoopLength;
181            }
182    
183          // calculate initial pitch value          // calculate initial pitch value
184          {          {
# Line 197  namespace LinuxSampler { namespace gig { Line 200  namespace LinuxSampler { namespace gig {
200                      eg1controllervalue = 0;                      eg1controllervalue = 0;
201                      break;                      break;
202                  case ::gig::eg1_ctrl_t::type_channelaftertouch:                  case ::gig::eg1_ctrl_t::type_channelaftertouch:
203                      eg1controllervalue = 0; // TODO: aftertouch not yet supported                      eg1controllervalue = pEngineChannel->ControllerTable[128];
204                      break;                      break;
205                  case ::gig::eg1_ctrl_t::type_velocity:                  case ::gig::eg1_ctrl_t::type_velocity:
206                      eg1controllervalue = itNoteOnEvent->Param.Note.Velocity;                      eg1controllervalue = itNoteOnEvent->Param.Note.Velocity;
# Line 219  namespace LinuxSampler { namespace gig { Line 222  namespace LinuxSampler { namespace gig {
222              EG1.trigger(pDimRgn->EG1PreAttack,              EG1.trigger(pDimRgn->EG1PreAttack,
223                          pDimRgn->EG1Attack * eg1attack,                          pDimRgn->EG1Attack * eg1attack,
224                          pDimRgn->EG1Hold,                          pDimRgn->EG1Hold,
                         pSample->LoopStart,  
225                          pDimRgn->EG1Decay1 * eg1decay * velrelease,                          pDimRgn->EG1Decay1 * eg1decay * velrelease,
226                          pDimRgn->EG1Decay2 * eg1decay * velrelease,                          pDimRgn->EG1Decay2 * eg1decay * velrelease,
227                          pDimRgn->EG1InfiniteSustain,                          pDimRgn->EG1InfiniteSustain,
# Line 229  namespace LinuxSampler { namespace gig { Line 231  namespace LinuxSampler { namespace gig {
231                          pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                          pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
232          }          }
233    
234    #ifdef CONFIG_INTERPOLATE_VOLUME
235            // setup initial volume in synthesis parameters
236    #ifdef CONFIG_PROCESS_MUTED_CHANNELS
237            if (pEngineChannel->GetMute()) {
238                finalSynthesisParameters.fFinalVolumeLeft  = 0;
239                finalSynthesisParameters.fFinalVolumeRight = 0;
240            }
241            else
242    #else
243            {
244                float finalVolume = pEngineChannel->GlobalVolume * pEngineChannel->MidiVolume * crossfadeVolume * EG1.getLevel();
245    
246                finalSynthesisParameters.fFinalVolumeLeft  = finalVolume * VolumeLeft  * pEngineChannel->GlobalPanLeft;
247                finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight;
248            }
249    #endif
250    #endif
251    
252          // setup EG 2 (VCF Cutoff EG)          // setup EG 2 (VCF Cutoff EG)
253          {          {
# Line 239  namespace LinuxSampler { namespace gig { Line 258  namespace LinuxSampler { namespace gig {
258                      eg2controllervalue = 0;                      eg2controllervalue = 0;
259                      break;                      break;
260                  case ::gig::eg2_ctrl_t::type_channelaftertouch:                  case ::gig::eg2_ctrl_t::type_channelaftertouch:
261                      eg2controllervalue = 0; // TODO: aftertouch not yet supported                      eg2controllervalue = pEngineChannel->ControllerTable[128];
262                      break;                      break;
263                  case ::gig::eg2_ctrl_t::type_velocity:                  case ::gig::eg2_ctrl_t::type_velocity:
264                      eg2controllervalue = itNoteOnEvent->Param.Note.Velocity;                      eg2controllervalue = itNoteOnEvent->Param.Note.Velocity;
# Line 258  namespace LinuxSampler { namespace gig { Line 277  namespace LinuxSampler { namespace gig {
277              EG2.trigger(pDimRgn->EG2PreAttack,              EG2.trigger(pDimRgn->EG2PreAttack,
278                          pDimRgn->EG2Attack * eg2attack,                          pDimRgn->EG2Attack * eg2attack,
279                          false,                          false,
                         pSample->LoopStart,  
280                          pDimRgn->EG2Decay1 * eg2decay * velrelease,                          pDimRgn->EG2Decay1 * eg2decay * velrelease,
281                          pDimRgn->EG2Decay2 * eg2decay * velrelease,                          pDimRgn->EG2Decay2 * eg2decay * velrelease,
282                          pDimRgn->EG2InfiniteSustain,                          pDimRgn->EG2InfiniteSustain,
# Line 271  namespace LinuxSampler { namespace gig { Line 289  namespace LinuxSampler { namespace gig {
289    
290          // setup EG 3 (VCO EG)          // setup EG 3 (VCO EG)
291          {          {
292            double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);              // if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch
293            EG3.trigger(eg3depth, pDimRgn->EG3Attack, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);              bool  bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f;
294                float eg3depth = (bPortamento)
295                                     ? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100)
296                                     : RTMath::CentsToFreqRatio(pDimRgn->EG3Depth);
297                float eg3time = (bPortamento)
298                                    ? pEngineChannel->PortamentoTime
299                                    : pDimRgn->EG3Attack;
300                EG3.trigger(eg3depth, eg3time, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
301                dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time));
302          }          }
303    
304    
# Line 310  namespace LinuxSampler { namespace gig { Line 336  namespace LinuxSampler { namespace gig {
336                      pLFO1->ExtController = 0; // no external controller                      pLFO1->ExtController = 0; // no external controller
337                      bLFO1Enabled         = false;                      bLFO1Enabled         = false;
338              }              }
339              if (bLFO1Enabled) pLFO1->trigger(pDimRgn->LFO1Frequency,              if (bLFO1Enabled) {
340                                               start_level_max,                  pLFO1->trigger(pDimRgn->LFO1Frequency,
341                                               lfo1_internal_depth,                                 start_level_min,
342                                               pDimRgn->LFO1ControlDepth,                                 lfo1_internal_depth,
343                                               pDimRgn->LFO1FlipPhase,                                 pDimRgn->LFO1ControlDepth,
344                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                                 pDimRgn->LFO1FlipPhase,
345                                   pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
346                    pLFO1->update(pLFO1->ExtController ? pEngineChannel->ControllerTable[pLFO1->ExtController] : 0);
347                }
348          }          }
349    
350    
# Line 353  namespace LinuxSampler { namespace gig { Line 382  namespace LinuxSampler { namespace gig {
382                      pLFO2->ExtController = 0; // no external controller                      pLFO2->ExtController = 0; // no external controller
383                      bLFO2Enabled         = false;                      bLFO2Enabled         = false;
384              }              }
385              if (bLFO2Enabled) pLFO2->trigger(pDimRgn->LFO2Frequency,              if (bLFO2Enabled) {
386                                               start_level_max,                  pLFO2->trigger(pDimRgn->LFO2Frequency,
387                                               lfo2_internal_depth,                                 start_level_max,
388                                               pDimRgn->LFO2ControlDepth,                                 lfo2_internal_depth,
389                                               pDimRgn->LFO2FlipPhase,                                 pDimRgn->LFO2ControlDepth,
390                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                                 pDimRgn->LFO2FlipPhase,
391                                   pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
392                    pLFO2->update(pLFO2->ExtController ? pEngineChannel->ControllerTable[pLFO2->ExtController] : 0);
393                }
394          }          }
395    
396    
# Line 378  namespace LinuxSampler { namespace gig { Line 410  namespace LinuxSampler { namespace gig {
410                      break;                      break;
411                  case ::gig::lfo3_ctrl_aftertouch:                  case ::gig::lfo3_ctrl_aftertouch:
412                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
413                      pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet                      pLFO3->ExtController = 128;
414                      bLFO3Enabled         = false; // see TODO comment in line above                      bLFO3Enabled         = true;
415                      break;                      break;
416                  case ::gig::lfo3_ctrl_internal_modwheel:                  case ::gig::lfo3_ctrl_internal_modwheel:
417                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
# Line 388  namespace LinuxSampler { namespace gig { Line 420  namespace LinuxSampler { namespace gig {
420                      break;                      break;
421                  case ::gig::lfo3_ctrl_internal_aftertouch:                  case ::gig::lfo3_ctrl_internal_aftertouch:
422                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;                      lfo3_internal_depth  = pDimRgn->LFO3InternalDepth;
423                      pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet                      pLFO1->ExtController = 128;
424                      bLFO3Enabled         = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above                      bLFO3Enabled         = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0);
425                      break;                      break;
426                  default:                  default:
427                      lfo3_internal_depth  = 0;                      lfo3_internal_depth  = 0;
428                      pLFO3->ExtController = 0; // no external controller                      pLFO3->ExtController = 0; // no external controller
429                      bLFO3Enabled         = false;                      bLFO3Enabled         = false;
430              }              }
431              if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency,              if (bLFO3Enabled) {
432                                               start_level_mid,                  pLFO3->trigger(pDimRgn->LFO3Frequency,
433                                               lfo3_internal_depth,                                 start_level_mid,
434                                               pDimRgn->LFO3ControlDepth,                                 lfo3_internal_depth,
435                                               false,                                 pDimRgn->LFO3ControlDepth,
436                                               pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                                 false,
437                                   pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
438                    pLFO3->update(pLFO3->ExtController ? pEngineChannel->ControllerTable[pLFO3->ExtController] : 0);
439                }
440          }          }
441    
442    
# Line 443  namespace LinuxSampler { namespace gig { Line 478  namespace LinuxSampler { namespace gig {
478                  case ::gig::vcf_cutoff_ctrl_genpurpose8:                  case ::gig::vcf_cutoff_ctrl_genpurpose8:
479                      VCFCutoffCtrl.controller = 83;                      VCFCutoffCtrl.controller = 83;
480                      break;                      break;
481                  case ::gig::vcf_cutoff_ctrl_aftertouch: //TODO: not implemented yet                  case ::gig::vcf_cutoff_ctrl_aftertouch:
482                        VCFCutoffCtrl.controller = 128;
483                        break;
484                  case ::gig::vcf_cutoff_ctrl_none:                  case ::gig::vcf_cutoff_ctrl_none:
485                  default:                  default:
486                      VCFCutoffCtrl.controller = 0;                      VCFCutoffCtrl.controller = 0;
# Line 495  namespace LinuxSampler { namespace gig { Line 532  namespace LinuxSampler { namespace gig {
532              if (VCFCutoffCtrl.controller) {              if (VCFCutoffCtrl.controller) {
533                  cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];                  cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller];
534                  if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;                  if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue;
535                    // VCFVelocityScale in this case means Minimum cutoff
536                  if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;                  if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale;
537              }              }
538              else {              else {
539                  cvalue = pDimRgn->VCFCutoff;                  cvalue = pDimRgn->VCFCutoff;
540              }              }
541              cutoff *= float(cvalue) * 0.00787402f; // (1 / 127)              cutoff *= float(cvalue);
542              if (cutoff > 1.0) cutoff = 1.0;              if (cutoff > 127.0f) cutoff = 127.0f;
             cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN;  
543    
544              // calculate resonance              // calculate resonance
545              float resonance = (float) VCFResonanceCtrl.value * 0.00787f;   // 0.0..1.0              float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance);
             if (pDimRgn->VCFKeyboardTracking) {  
                 resonance += (float) (itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f;  
             }  
             Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0)  
546    
547              VCFCutoffCtrl.fvalue    = cutoff - CONFIG_FILTER_CUTOFF_MIN;              VCFCutoffCtrl.fvalue    = cutoff;
548              VCFResonanceCtrl.fvalue = resonance;              VCFResonanceCtrl.fvalue = resonance;
549          }          }
550          else {          else {
# Line 588  namespace LinuxSampler { namespace gig { Line 621  namespace LinuxSampler { namespace gig {
621                          }                          }
622                      }                      }
623    
624                      sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from                      sample_t* ptr = (sample_t*)DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from
625    
626                      // render current audio fragment                      // render current audio fragment
627                      Synthesize(Samples, ptr, Delay);                      Synthesize(Samples, ptr, Delay);
# Line 641  namespace LinuxSampler { namespace gig { Line 674  namespace LinuxSampler { namespace gig {
674       * for the given time.       * for the given time.
675       *       *
676       * @param itEvent - iterator pointing to the next event to be processed       * @param itEvent - iterator pointing to the next event to be processed
677       * @param End     - youngest time stamp where processing should be stopped       * @param End     - youngest time stamp where processing should be stopped
678       */       */
679      void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) {      void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) {
680          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
681              if (itEvent->Type == Event::type_release) {              if (itEvent->Type == Event::type_release) {
682                  EG1.update(EGADSR::event_release, finalSynthesisParameters.dPos, finalSynthesisParameters.fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  EG1.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
683                  EG2.update(EGADSR::event_release, finalSynthesisParameters.dPos, finalSynthesisParameters.fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  EG2.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
684              } else if (itEvent->Type == Event::type_cancel_release) {              } else if (itEvent->Type == Event::type_cancel_release) {
685                  EG1.update(EGADSR::event_cancel_release, finalSynthesisParameters.dPos, finalSynthesisParameters.fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  EG1.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
686                  EG2.update(EGADSR::event_cancel_release, finalSynthesisParameters.dPos, finalSynthesisParameters.fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  EG2.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
687              }              }
688          }          }
689      }      }
# Line 660  namespace LinuxSampler { namespace gig { Line 693  namespace LinuxSampler { namespace gig {
693       * the given time.       * the given time.
694       *       *
695       * @param itEvent - iterator pointing to the next event to be processed       * @param itEvent - iterator pointing to the next event to be processed
696       * @param End     - youngest time stamp where processing should be stopped       * @param End     - youngest time stamp where processing should be stopped
697       */       */
698      void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {      void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) {
699          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {          for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) {
# Line 683  namespace LinuxSampler { namespace gig { Line 716  namespace LinuxSampler { namespace gig {
716                  }                  }
717                  if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&                  if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange &&
718                      itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {                      itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) {
719                      processCrossFadeEvent(itEvent);                      CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]);
720                    }
721                    if (itEvent->Param.CC.Controller == 7) { // volume
722                        VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value]);
723                    } else if (itEvent->Param.CC.Controller == 10) { // panpot
724                        PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]);
725                        PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]);
726                  }                  }
727              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event              } else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event
728                  processPitchEvent(itEvent);                  processPitchEvent(itEvent);
# Line 697  namespace LinuxSampler { namespace gig { Line 736  namespace LinuxSampler { namespace gig {
736          PitchBend = pitch;          PitchBend = pitch;
737      }      }
738    
     void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) {  
         CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value);  
         #if CONFIG_PROCESS_MUTED_CHANNELS  
         const float effectiveVolume = CrossfadeVolume * Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);  
         #else  
         const float effectiveVolume = CrossfadeVolume * Volume * pEngineChannel->GlobalVolume;  
         #endif  
         fFinalVolume = effectiveVolume;  
     }  
   
739      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {      void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) {
740          int ccvalue = itEvent->Param.CC.Value;          int ccvalue = itEvent->Param.CC.Value;
741          if (VCFCutoffCtrl.value == ccvalue) return;          if (VCFCutoffCtrl.value == ccvalue) return;
742          VCFCutoffCtrl.value == ccvalue;          VCFCutoffCtrl.value == ccvalue;
743          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;          if (pDimRgn->VCFCutoffControllerInvert)  ccvalue = 127 - ccvalue;
744          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;          if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale;
745          float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127)          float cutoff = CutoffBase * float(ccvalue);
746          if (cutoff > 1.0) cutoff = 1.0;          if (cutoff > 127.0f) cutoff = 127.0f;
747          cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN - CONFIG_FILTER_CUTOFF_MIN;  
748          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time          VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time
749          fFinalCutoff = cutoff;          fFinalCutoff = cutoff;
750      }      }
# Line 724  namespace LinuxSampler { namespace gig { Line 753  namespace LinuxSampler { namespace gig {
753          // convert absolute controller value to differential          // convert absolute controller value to differential
754          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;          const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value;
755          VCFResonanceCtrl.value = itEvent->Param.CC.Value;          VCFResonanceCtrl.value = itEvent->Param.CC.Value;
756          const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0          const float resonancedelta = (float) ctrldelta;
757          fFinalResonance += resonancedelta;          fFinalResonance += resonancedelta;
758          // needed for initialization of parameter          // needed for initialization of parameter
759          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f;          VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value;
760      }      }
761    
762      /**      /**
# Line 739  namespace LinuxSampler { namespace gig { Line 768  namespace LinuxSampler { namespace gig {
768       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
769       */       */
770      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
771          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pOutputLeft[Skip];          finalSynthesisParameters.pOutLeft  = &pEngineChannel->pChannelLeft->Buffer()[Skip];
772          finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip];          finalSynthesisParameters.pOutRight = &pEngineChannel->pChannelRight->Buffer()[Skip];
773          finalSynthesisParameters.pSrc      = pSrc;          finalSynthesisParameters.pSrc      = pSrc;
774    
775          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();          RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first();
# Line 751  namespace LinuxSampler { namespace gig { Line 780  namespace LinuxSampler { namespace gig {
780              while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;              while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent;
781          }          }
782    
783            uint killPos;
784            if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos);
785    
786          uint i = Skip;          uint i = Skip;
787          while (i < Samples) {          while (i < Samples) {
788              int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);              int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples);
789    
790              // initialize all final synthesis parameters              // initialize all final synthesis parameters
791              finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;              finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend;
             #if CONFIG_PROCESS_MUTED_CHANNELS  
             fFinalVolume = this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume);  
             #else  
             fFinalVolume = this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume;  
             #endif  
792              fFinalCutoff    = VCFCutoffCtrl.fvalue;              fFinalCutoff    = VCFCutoffCtrl.fvalue;
793              fFinalResonance = VCFResonanceCtrl.fvalue;              fFinalResonance = VCFResonanceCtrl.fvalue;
794    
795              // process MIDI control change and pitchbend events for this subfragment              // process MIDI control change and pitchbend events for this subfragment
796              processCCEvents(itCCEvent, iSubFragmentEnd);              processCCEvents(itCCEvent, iSubFragmentEnd);
797    
798                float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render();
799    #ifdef CONFIG_PROCESS_MUTED_CHANNELS
800                if (pEngineChannel->GetMute()) fFinalVolume = 0;
801    #endif
802    
803              // process transition events (note on, note off & sustain pedal)              // process transition events (note on, note off & sustain pedal)
804              processTransitionEvents(itNoteEvent, iSubFragmentEnd);              processTransitionEvents(itNoteEvent, iSubFragmentEnd);
805    
806                // if the voice was killed in this subfragment, or if the
807                // filter EG is finished, switch EG1 to fade out stage
808                if ((itKillEvent && killPos <= iSubFragmentEnd) ||
809                    (SYNTHESIS_MODE_GET_FILTER(SynthesisMode) &&
810                     EG2.getSegmentType() == EGADSR::segment_end)) {
811                    EG1.enterFadeOutStage();
812                    itKillEvent = Pool<Event>::Iterator();
813                }
814    
815              // process envelope generators              // process envelope generators
816              switch (EG1.getSegmentType()) {              switch (EG1.getSegmentType()) {
817                  case EGADSR::segment_lin:                  case EGADSR::segment_lin:
# Line 794  namespace LinuxSampler { namespace gig { Line 835  namespace LinuxSampler { namespace gig {
835                      fFinalCutoff *= EG2.getLevel();                      fFinalCutoff *= EG2.getLevel();
836                      break; // noop                      break; // noop
837              }              }
838              if (EG3.active()) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(EG3.render());              if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render();
839    
840              // process low frequency oscillators              // process low frequency oscillators
841              if (bLFO1Enabled) fFinalVolume *= pLFO1->render();              if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render());
842              if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();              if (bLFO2Enabled) fFinalCutoff *= pLFO2->render();
843              if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());              if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render());
844    
# Line 815  namespace LinuxSampler { namespace gig { Line 856  namespace LinuxSampler { namespace gig {
856              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);              SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired);
857    
858              // prepare final synthesis parameters structure              // prepare final synthesis parameters structure
             finalSynthesisParameters.fFinalVolumeLeft  = fFinalVolume * PanLeft;  
             finalSynthesisParameters.fFinalVolumeRight = fFinalVolume * PanRight;  
859              finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;              finalSynthesisParameters.uiToGo            = iSubFragmentEnd - i;
860    #ifdef CONFIG_INTERPOLATE_VOLUME
861                finalSynthesisParameters.fFinalVolumeDeltaLeft  =
862                    (fFinalVolume * VolumeLeft  * PanLeftSmoother.render() -
863                     finalSynthesisParameters.fFinalVolumeLeft) / finalSynthesisParameters.uiToGo;
864                finalSynthesisParameters.fFinalVolumeDeltaRight =
865                    (fFinalVolume * VolumeRight * PanRightSmoother.render() -
866                     finalSynthesisParameters.fFinalVolumeRight) / finalSynthesisParameters.uiToGo;
867    #else
868                finalSynthesisParameters.fFinalVolumeLeft  =
869                    fFinalVolume * VolumeLeft  * PanLeftSmoother.render();
870                finalSynthesisParameters.fFinalVolumeRight =
871                    fFinalVolume * VolumeRight * PanRightSmoother.render();
872    #endif
873              // render audio for one subfragment              // render audio for one subfragment
874              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);
875    
876                // stop the rendering if volume EG is finished
877                if (EG1.getSegmentType() == EGADSR::segment_end) break;
878    
879                const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch;
880    
881              // increment envelopes' positions              // increment envelopes' positions
882              if (EG1.active()) {              if (EG1.active()) {
883    
884                    // 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
885                    if (pDimRgn->SampleLoops && Pos <= pDimRgn->pSampleLoops[0].LoopStart && pDimRgn->pSampleLoops[0].LoopStart < newPos) {
886                        EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
887                    }
888    
889                  EG1.increment(1);                  EG1.increment(1);
890                  if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, finalSynthesisParameters.dPos, finalSynthesisParameters.fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
891              }              }
892              if (EG2.active()) {              if (EG2.active()) {
893                  EG2.increment(1);                  EG2.increment(1);
894                  if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, finalSynthesisParameters.dPos, finalSynthesisParameters.fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);                  if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE);
895              }              }
896              EG3.increment(1);              EG3.increment(1);
897              if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached              if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached
898    
899                Pos = newPos;
900              i = iSubFragmentEnd;              i = iSubFragmentEnd;
901          }          }
902      }      }
903    
904        /** @brief Update current portamento position.
905         *
906         * Will be called when portamento mode is enabled to get the final
907         * portamento position of this active voice from where the next voice(s)
908         * might continue to slide on.
909         *
910         * @param itNoteOffEvent - event which causes this voice to die soon
911         */
912        void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) {
913            const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos());
914            pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f;
915        }
916    
917      /**      /**
918       *  Immediately kill the voice. This method should not be used to kill       *  Immediately kill the voice. This method should not be used to kill
919       *  a normal, active voice, because it doesn't take care of things like       *  a normal, active voice, because it doesn't take care of things like

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