/[svn]/linuxsampler/trunk/src/engines/common/AbstractVoice.cpp
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Diff of /linuxsampler/trunk/src/engines/common/AbstractVoice.cpp

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revision 2219 by iliev, Thu Jul 28 12:35:49 2011 UTC revision 2298 by iliev, Fri Dec 9 17:04:24 2011 UTC
# Line 43  namespace LinuxSampler { Line 43  namespace LinuxSampler {
43    
44          finalSynthesisParameters.filterLeft.Reset();          finalSynthesisParameters.filterLeft.Reset();
45          finalSynthesisParameters.filterRight.Reset();          finalSynthesisParameters.filterRight.Reset();
46            
47            pEq          = NULL;
48            bEqSupport   = false;
49      }      }
50    
51      AbstractVoice::~AbstractVoice() {      AbstractVoice::~AbstractVoice() {
52          if (pLFO1) delete pLFO1;          if (pLFO1) delete pLFO1;
53          if (pLFO2) delete pLFO2;          if (pLFO2) delete pLFO2;
54          if (pLFO3) delete pLFO3;          if (pLFO3) delete pLFO3;
55            
56            if(pEq != NULL) delete pEq;
57        }
58                
59        void AbstractVoice::CreateEq() {
60            if(!bEqSupport) return;
61            if(pEq != NULL) delete pEq;
62            pEq = new EqSupport;
63            pEq->InitEffect(GetEngine()->pAudioOutputDevice);
64      }      }
65    
66      /**      /**
# Line 312  namespace LinuxSampler { Line 324  namespace LinuxSampler {
324       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
325       */       */
326      void AbstractVoice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {      void AbstractVoice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
327            bool delay = false; // Whether the voice playback should be delayed for this call
328            
329            if (pSignalUnitRack != NULL) {
330                uint delaySteps = pSignalUnitRack->GetEndpointUnit()->DelayTrigger();
331                if (delaySteps > 0) { // delay on the endpoint unit means delay of the voice playback
332                    if (delaySteps >= Samples) {
333                        pSignalUnitRack->GetEndpointUnit()->DecreaseDelay(Samples);
334                        delay = true;
335                    } else {
336                        pSignalUnitRack->GetEndpointUnit()->DecreaseDelay(delaySteps);
337                        Samples -= delaySteps;
338                        Skip += delaySteps;
339                    }
340                }
341            }
342            
343          AbstractEngineChannel* pChannel = pEngineChannel;          AbstractEngineChannel* pChannel = pEngineChannel;
344          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);          MidiKeyBase* pMidiKeyInfo = GetMidiKeyInfo(MIDIKey);
345    
346          const bool bVoiceRequiresDedicatedRouting =          const bool bVoiceRequiresDedicatedRouting =
347              pEngineChannel->GetFxSendCount() > 0 &&              pEngineChannel->GetFxSendCount() > 0 &&
348              (pMidiKeyInfo->ReverbSend || pMidiKeyInfo->ChorusSend);              (pMidiKeyInfo->ReverbSend || pMidiKeyInfo->ChorusSend);
349            
350            const bool bEq =
351                pSignalUnitRack != NULL && pSignalUnitRack->HasEq() && pEq->HasSupport();
352    
353          if (bVoiceRequiresDedicatedRouting) {          if (bEq) {
354                pEq->GetInChannelLeft()->Clear();
355                pEq->GetInChannelRight()->Clear();
356                finalSynthesisParameters.pOutLeft  = &pEq->GetInChannelLeft()->Buffer()[Skip];
357                finalSynthesisParameters.pOutRight = &pEq->GetInChannelRight()->Buffer()[Skip];
358                pSignalUnitRack->UpdateEqSettings(pEq);
359            } else if (bVoiceRequiresDedicatedRouting) {
360              finalSynthesisParameters.pOutLeft  = &GetEngine()->pDedicatedVoiceChannelLeft->Buffer()[Skip];              finalSynthesisParameters.pOutLeft  = &GetEngine()->pDedicatedVoiceChannelLeft->Buffer()[Skip];
361              finalSynthesisParameters.pOutRight = &GetEngine()->pDedicatedVoiceChannelRight->Buffer()[Skip];              finalSynthesisParameters.pOutRight = &GetEngine()->pDedicatedVoiceChannelRight->Buffer()[Skip];
362          } else {          } else {
# Line 395  namespace LinuxSampler { Line 432  namespace LinuxSampler {
432              // process transition events (note on, note off & sustain pedal)              // process transition events (note on, note off & sustain pedal)
433              processTransitionEvents(itNoteEvent, iSubFragmentEnd);              processTransitionEvents(itNoteEvent, iSubFragmentEnd);
434              processGroupEvents(itGroupEvent, iSubFragmentEnd);              processGroupEvents(itGroupEvent, iSubFragmentEnd);
435                
436              if (pSignalUnitRack == NULL) {              if (pSignalUnitRack == NULL) {
437                  // if the voice was killed in this subfragment, or if the                  // if the voice was killed in this subfragment, or if the
438                  // filter EG is finished, switch EG1 to fade out stage                  // filter EG is finished, switch EG1 to fade out stage
# Line 493  namespace LinuxSampler { Line 530  namespace LinuxSampler {
530                  fFinalVolume * VolumeRight * PanRightSmoother.render();                  fFinalVolume * VolumeRight * PanRightSmoother.render();
531  #endif  #endif
532              // render audio for one subfragment              // render audio for one subfragment
533              RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);              if (!delay) RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop);
534    
535              if (pSignalUnitRack == NULL) {              if (pSignalUnitRack == NULL) {
536                  // stop the rendering if volume EG is finished                  // stop the rendering if volume EG is finished
# Line 530  namespace LinuxSampler { Line 567  namespace LinuxSampler {
567                      }*/                      }*/
568                  // TODO: ^^^                  // TODO: ^^^
569                                    
570                  pSignalUnitRack->Increment();                  if (!delay) pSignalUnitRack->Increment();
571              }              }
572    
573              Pos = newPos;              Pos = newPos;
574              i = iSubFragmentEnd;              i = iSubFragmentEnd;
575          }          }
576            
577            if (delay) return;
578    
579          if (bVoiceRequiresDedicatedRouting) {          if (bVoiceRequiresDedicatedRouting) {
580                if (bEq) {
581                    pEq->RenderAudio(Samples);
582                    pEq->GetOutChannelLeft()->CopyTo(GetEngine()->pDedicatedVoiceChannelLeft, Samples);
583                    pEq->GetOutChannelRight()->CopyTo(GetEngine()->pDedicatedVoiceChannelRight, Samples);
584                }
585              optional<float> effectSendLevels[2] = {              optional<float> effectSendLevels[2] = {
586                  pMidiKeyInfo->ReverbSend,                  pMidiKeyInfo->ReverbSend,
587                  pMidiKeyInfo->ChorusSend                  pMidiKeyInfo->ChorusSend
588              };              };
589              GetEngine()->RouteDedicatedVoiceChannels(pEngineChannel, effectSendLevels, Samples);              GetEngine()->RouteDedicatedVoiceChannels(pEngineChannel, effectSendLevels, Samples);
590            } else if (bEq) {
591                pEq->RenderAudio(Samples);
592                pEq->GetOutChannelLeft()->MixTo(pChannel->pChannelLeft, Samples);
593                pEq->GetOutChannelRight()->MixTo(pChannel->pChannelRight, Samples);
594          }          }
595      }      }
596    
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