/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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revision 716 by iliev, Sun Jul 24 06:57:30 2005 UTC revision 775 by schoenebeck, Wed Sep 21 14:30:43 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 203  namespace LinuxSampler { namespace gig { Line 190  namespace LinuxSampler { namespace gig {
190    
191          // delete all input events          // delete all input events
192          pEventQueue->init();          pEventQueue->init();
193            pSysexBuffer->init();
194      }      }
195    
196      /**      /**
# Line 249  namespace LinuxSampler { namespace gig { Line 237  namespace LinuxSampler { namespace gig {
237              // lower minimum release time              // lower minimum release time
238              const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;              const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;
239              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()) {
240                  iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate);                  iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate);
241              }              }
242              pVoicePool->clear();              pVoicePool->clear();
243          }          }
# Line 277  namespace LinuxSampler { namespace gig { Line 265  namespace LinuxSampler { namespace gig {
265          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
266          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());
267    
         // (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()];  
   
268          dmsg(1,("Starting disk thread..."));          dmsg(1,("Starting disk thread..."));
269          pDiskThread->StartThread();          pDiskThread->StartThread();
270          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
# Line 724  namespace LinuxSampler { namespace gig { Line 695  namespace LinuxSampler { namespace gig {
695      }      }
696    
697      /**      /**
698       *  Moves pitchbend event from the general (input) event list to the pitch       *  Moves pitchbend event from the general (input) event list to the engine
699       *  event list.       *  channel's event list. It will actually processed later by the
700         *  respective voice.
701       *       *
702       *  @param pEngineChannel - engine channel on which this event occured on       *  @param pEngineChannel - engine channel on which this event occured on
703       *  @param itPitchbendEvent - absolute pitch value and time stamp of the event       *  @param itPitchbendEvent - absolute pitch value and time stamp of the event
704       */       */
705      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
706          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
         itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]);  
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          switch (itControlChangeEvent->Param.CC.Controller) {
         Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);  
   
         switch (itControlChangeEventOnCCList->Param.CC.Controller) {  
1144              case 7: { // volume              case 7: { // volume
1145                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1146                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f;
1147                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1148                  break;                  break;
1149              }              }
1150              case 10: { // panpot              case 10: { // panpot
1151                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1152                  const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;                  const int pan = (int) itControlChangeEvent->Param.CC.Value - 64;
1153                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;
1154                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;
1155                  break;                  break;
1156              }              }
1157              case 64: { // sustain              case 64: { // sustain
1158                  if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {
1159                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("PEDAL DOWN\n"));
1160                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
1161    
# Line 1202  namespace LinuxSampler { namespace gig { Line 1170  namespace LinuxSampler { namespace gig {
1170                          if (!pKey->KeyPressed) {                          if (!pKey->KeyPressed) {
1171                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1172                              if (itNewEvent) {                              if (itNewEvent) {
1173                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list                                  *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1174                                  itNewEvent->Type = Event::type_cancel_release; // transform event type                                  itNewEvent->Type = Event::type_cancel_release; // transform event type
1175                              }                              }
1176                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
1177                          }                          }
1178                      }                      }
1179                  }                  }
1180                  if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {                  if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {
1181                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("PEDAL UP\n"));
1182                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
1183    
# Line 1224  namespace LinuxSampler { namespace gig { Line 1192  namespace LinuxSampler { namespace gig {
1192                          if (!pKey->KeyPressed) {                          if (!pKey->KeyPressed) {
1193                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1194                              if (itNewEvent) {                              if (itNewEvent) {
1195                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list                                  *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1196                                  itNewEvent->Type = Event::type_release; // transform event type                                  itNewEvent->Type = Event::type_release; // transform event type
1197                              }                              }
1198                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
# Line 1238  namespace LinuxSampler { namespace gig { Line 1206  namespace LinuxSampler { namespace gig {
1206              // Channel Mode Messages              // Channel Mode Messages
1207    
1208              case 120: { // all sound off              case 120: { // all sound off
1209                  KillAllVoices(pEngineChannel, itControlChangeEventOnCCList);                  KillAllVoices(pEngineChannel, itControlChangeEvent);
1210                  break;                  break;
1211              }              }
1212              case 121: { // reset all controllers              case 121: { // reset all controllers
# Line 1246  namespace LinuxSampler { namespace gig { Line 1214  namespace LinuxSampler { namespace gig {
1214                  break;                  break;
1215              }              }
1216              case 123: { // all notes off              case 123: { // all notes off
1217                  ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList);                  ReleaseAllVoices(pEngineChannel, itControlChangeEvent);
1218                  break;                  break;
1219              }              }
1220          }          }
# Line 1389  namespace LinuxSampler { namespace gig { Line 1357  namespace LinuxSampler { namespace gig {
1357          }          }
1358      }      }
1359    
     /**  
      * 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;  
         }  
     }  
   
1360      uint Engine::VoiceCount() {      uint Engine::VoiceCount() {
1361          return ActiveVoiceCount;          return ActiveVoiceCount;
1362      }      }
# Line 1441  namespace LinuxSampler { namespace gig { Line 1394  namespace LinuxSampler { namespace gig {
1394      }      }
1395    
1396      String Engine::Version() {      String Engine::Version() {
1397          String s = "$Revision: 1.51 $";          String s = "$Revision: 1.54 $";
1398          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
1399      }      }
1400    
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