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

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revision 716 by iliev, Sun Jul 24 06:57:30 2005 UTC revision 738 by schoenebeck, Tue Aug 16 17:14:25 2005 UTC
# Line 29  Line 29 
29    
30  #include "Engine.h"  #include "Engine.h"
31    
 #if defined(__APPLE__)  
 # include <stdlib.h>  
 #else  
 # include <malloc.h>  
 #endif  
   
32  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
33    
34      InstrumentResourceManager Engine::instruments;      InstrumentResourceManager Engine::instruments;
# Line 114  namespace LinuxSampler { namespace gig { Line 108  namespace LinuxSampler { namespace gig {
108          }          }
109          pVoicePool->clear();          pVoicePool->clear();
110    
         pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected  
         pBasicFilterParameters  = NULL;  
         pMainFilterParameters   = NULL;  
   
111          ResetInternal();          ResetInternal();
112          ResetScaleTuning();          ResetScaleTuning();
113      }      }
# Line 139  namespace LinuxSampler { namespace gig { Line 129  namespace LinuxSampler { namespace gig {
129              delete pVoicePool;              delete pVoicePool;
130          }          }
131          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
         if (pMainFilterParameters) delete[] pMainFilterParameters;  
         if (pBasicFilterParameters) delete[] pBasicFilterParameters;  
         if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);  
132          if (pVoiceStealingQueue) delete pVoiceStealingQueue;          if (pVoiceStealingQueue) delete pVoiceStealingQueue;
133          if (pSysexBuffer) delete pSysexBuffer;          if (pSysexBuffer) delete pSysexBuffer;
134          EngineFactory::Destroy(this);          EngineFactory::Destroy(this);
# Line 249  namespace LinuxSampler { namespace gig { Line 236  namespace LinuxSampler { namespace gig {
236              // lower minimum release time              // lower minimum release time
237              const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;              const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;
238              for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {              for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
239                  iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate);                  iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate);
240              }              }
241              pVoicePool->clear();              pVoicePool->clear();
242          }          }
# Line 277  namespace LinuxSampler { namespace gig { Line 264  namespace LinuxSampler { namespace gig {
264          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
265          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());
266    
         // (re)allocate synthesis parameter matrix  
         if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);  
   
         #if defined(__APPLE__)  
         pSynthesisParameters[0] = (float *) malloc(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle());  
         #else  
         pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle()));  
         #endif  
         for (int dst = 1; dst < Event::destination_count; dst++)  
             pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();  
   
         // (re)allocate biquad filter parameter sequence  
         if (pBasicFilterParameters) delete[] pBasicFilterParameters;  
         if (pMainFilterParameters)  delete[] pMainFilterParameters;  
         pBasicFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()];  
         pMainFilterParameters  = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()];  
   
267          dmsg(1,("Starting disk thread..."));          dmsg(1,("Starting disk thread..."));
268          pDiskThread->StartThread();          pDiskThread->StartThread();
269          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
# Line 724  namespace LinuxSampler { namespace gig { Line 694  namespace LinuxSampler { namespace gig {
694      }      }
695    
696      /**      /**
697       *  Moves pitchbend event from the general (input) event list to the pitch       *  Moves pitchbend event from the general (input) event list to the engine
698       *  event list.       *  channel's event list. It will actually processed later by the
699         *  respective voice.
700       *       *
701       *  @param pEngineChannel - engine channel on which this event occured on       *  @param pEngineChannel - engine channel on which this event occured on
702       *  @param itPitchbendEvent - absolute pitch value and time stamp of the event       *  @param itPitchbendEvent - absolute pitch value and time stamp of the event
703       */       */
704      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
705          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
706          itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]);          itPitchbendEvent.moveToEndOf(pEngineChannel->pEvents);
707      }      }
708    
709      /**      /**
# Line 1169  namespace LinuxSampler { namespace gig { Line 1140  namespace LinuxSampler { namespace gig {
1140          // update controller value in the engine channel's controller table          // update controller value in the engine channel's controller table
1141          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
1142    
1143          // move event from the unsorted event list to the control change event list          // move event from the import event list to the engine channel's CC and pitchbend event list
1144          Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);          Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pEvents);
1145    
1146          switch (itControlChangeEventOnCCList->Param.CC.Controller) {          switch (itControlChangeEventOnCCList->Param.CC.Controller) {
1147              case 7: { // volume              case 7: { // volume
# Line 1389  namespace LinuxSampler { namespace gig { Line 1360  namespace LinuxSampler { namespace gig {
1360          }          }
1361      }      }
1362    
     /**  
      * Initialize the parameter sequence for the modulation destination given by  
      * by 'dst' with the constant value given by val.  
      */  
     void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) {  
         int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle();  
         float* m = &pSynthesisParameters[dst][0];  
         for (int i = 0; i < maxsamples; i += 4) {  
            m[i]   = val;  
            m[i+1] = val;  
            m[i+2] = val;  
            m[i+3] = val;  
         }  
     }  
   
1363      uint Engine::VoiceCount() {      uint Engine::VoiceCount() {
1364          return ActiveVoiceCount;          return ActiveVoiceCount;
1365      }      }
# Line 1441  namespace LinuxSampler { namespace gig { Line 1397  namespace LinuxSampler { namespace gig {
1397      }      }
1398    
1399      String Engine::Version() {      String Engine::Version() {
1400          String s = "$Revision: 1.51 $";          String s = "$Revision: 1.52 $";
1401          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
1402      }      }
1403    
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