/[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 271 by schoenebeck, Fri Oct 8 20:51:39 2004 UTC revision 361 by schoenebeck, Wed Feb 9 01:22:18 2005 UTC
# Line 23  Line 23 
23  #include <sstream>  #include <sstream>
24  #include "DiskThread.h"  #include "DiskThread.h"
25  #include "Voice.h"  #include "Voice.h"
26    #include "EGADSR.h"
27    
28  #include "Engine.h"  #include "Engine.h"
29    
30    #if defined(__APPLE__)
31    # include <stdlib.h>
32    #else
33    # include <malloc.h>
34    #endif
35    
36  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
37    
38      InstrumentResourceManager Engine::Instruments;      InstrumentResourceManager Engine::Instruments;
# Line 75  namespace LinuxSampler { namespace gig { Line 82  namespace LinuxSampler { namespace gig {
82    
83      Engine::~Engine() {      Engine::~Engine() {
84          if (pDiskThread) {          if (pDiskThread) {
85                dmsg(1,("Stopping disk thread..."));
86              pDiskThread->StopThread();              pDiskThread->StopThread();
87              delete pDiskThread;              delete pDiskThread;
88                dmsg(1,("OK\n"));
89          }          }
90    
91            if (pInstrument) Instruments.HandBack(pInstrument, this);
92    
93          if (pGig)  delete pGig;          if (pGig)  delete pGig;
94          if (pRIFF) delete pRIFF;          if (pRIFF) delete pRIFF;
95          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
# Line 87  namespace LinuxSampler { namespace gig { Line 99  namespace LinuxSampler { namespace gig {
99          for (uint i = 0; i < Event::destination_count; i++) {          for (uint i = 0; i < Event::destination_count; i++) {
100              if (pSynthesisEvents[i]) delete pSynthesisEvents[i];              if (pSynthesisEvents[i]) delete pSynthesisEvents[i];
101          }          }
         delete[] pSynthesisEvents;  
102          if (pEvents)     delete pEvents;          if (pEvents)     delete pEvents;
103          if (pCCEvents)   delete pCCEvents;          if (pCCEvents)   delete pCCEvents;
104          if (pEventQueue) delete pEventQueue;          if (pEventQueue) delete pEventQueue;
105          if (pEventPool)  delete pEventPool;          if (pEventPool)  delete pEventPool;
106          if (pVoicePool)  delete pVoicePool;          if (pVoicePool) {
107                    pVoicePool->clear();
108                    delete pVoicePool;
109            }
110          if (pActiveKeys) delete pActiveKeys;          if (pActiveKeys) delete pActiveKeys;
111          if (pSysexBuffer) delete pSysexBuffer;          if (pSysexBuffer) delete pSysexBuffer;
112          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
113          if (pMainFilterParameters) delete[] pMainFilterParameters;          if (pMainFilterParameters) delete[] pMainFilterParameters;
114          if (pBasicFilterParameters) delete[] pBasicFilterParameters;          if (pBasicFilterParameters) delete[] pBasicFilterParameters;
115          if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0];          if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);
116          if (pVoiceStealingQueue) delete pVoiceStealingQueue;          if (pVoiceStealingQueue) delete pVoiceStealingQueue;
117      }      }
118    
# Line 157  namespace LinuxSampler { namespace gig { Line 171  namespace LinuxSampler { namespace gig {
171          ActiveVoiceCount    = 0;          ActiveVoiceCount    = 0;
172          ActiveVoiceCountMax = 0;          ActiveVoiceCountMax = 0;
173          GlobalVolume        = 1.0;          GlobalVolume        = 1.0;
174            CurrentKeyDimension = 0;
175    
176          // reset voice stealing parameters          // reset voice stealing parameters
177          itLastStolenVoice = RTList<Voice>::Iterator();          itLastStolenVoice = RTList<Voice>::Iterator();
# Line 313  namespace LinuxSampler { namespace gig { Line 328  namespace LinuxSampler { namespace gig {
328          this->MaxSamplesPerCycle      = pAudioOutputDevice->MaxSamplesPerCycle();          this->MaxSamplesPerCycle      = pAudioOutputDevice->MaxSamplesPerCycle();
329          this->SampleRate              = pAudioOutputDevice->SampleRate();          this->SampleRate              = pAudioOutputDevice->SampleRate();
330    
331            // FIXME: audio drivers with varying fragment sizes might be a problem here
332            MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1;
333            if (MaxFadeOutPos < 0)
334                throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h to big for current audio fragment size / sampling rate!");
335    
336          // (re)create disk thread          // (re)create disk thread
337          if (this->pDiskThread) {          if (this->pDiskThread) {
338                dmsg(1,("Stopping disk thread..."));
339              this->pDiskThread->StopThread();              this->pDiskThread->StopThread();
340              delete this->pDiskThread;              delete this->pDiskThread;
341                dmsg(1,("OK\n"));
342          }          }
343          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo
344          if (!pDiskThread) {          if (!pDiskThread) {
# Line 335  namespace LinuxSampler { namespace gig { Line 357  namespace LinuxSampler { namespace gig {
357          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());
358    
359          // (re)allocate synthesis parameter matrix          // (re)allocate synthesis parameter matrix
360          if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0];          if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);
361          pSynthesisParameters[0] = new float[Event::destination_count * pAudioOut->MaxSamplesPerCycle()];  
362            #if defined(__APPLE__)
363            pSynthesisParameters[0] = (float *) malloc(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle());
364            #else
365            pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle()));
366            #endif
367          for (int dst = 1; dst < Event::destination_count; dst++)          for (int dst = 1; dst < Event::destination_count; dst++)
368              pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();              pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();
369    
# Line 392  namespace LinuxSampler { namespace gig { Line 419  namespace LinuxSampler { namespace gig {
419          }          }
420    
421    
422            // update time of start and end of this audio fragment (as events' time stamps relate to this)
423            pEventGenerator->UpdateFragmentTime(Samples);
424    
425    
426          // empty the event lists for the new fragment          // empty the event lists for the new fragment
427          pEvents->clear();          pEvents->clear();
428          pCCEvents->clear();          pCCEvents->clear();
# Line 406  namespace LinuxSampler { namespace gig { Line 437  namespace LinuxSampler { namespace gig {
437              }              }
438          }          }
439    
         // read and copy events from input queue  
         Event event = pEventGenerator->CreateEvent();  
         while (true) {  
             if (!pEventQueue->pop(&event) || pEvents->poolIsEmpty()) break;  
             *pEvents->allocAppend() = event;  
         }  
   
440    
441          // update time of start and end of this audio fragment (as events' time stamps relate to this)          // get all events from the input event queue which belong to the current fragment
442          pEventGenerator->UpdateFragmentTime(Samples);          {
443                RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
444                Event* pEvent;
445                while (true) {
446                    // get next event from input event queue
447                    if (!(pEvent = eventQueueReader.pop())) break;
448                    // if younger event reached, ignore that and all subsequent ones for now
449                    if (pEvent->FragmentPos() >= Samples) {
450                        eventQueueReader--;
451                        dmsg(2,("Younger Event, pos=%d ,Samples=%d!\n",pEvent->FragmentPos(),Samples));
452                        pEvent->ResetFragmentPos();
453                        break;
454                    }
455                    // copy event to internal event list
456                    if (pEvents->poolIsEmpty()) {
457                        dmsg(1,("Event pool emtpy!\n"));
458                        break;
459                    }
460                    *pEvents->allocAppend() = *pEvent;
461                }
462                eventQueueReader.free(); // free all copied events from input queue
463            }
464    
465    
466          // process events          // process events
# Line 466  namespace LinuxSampler { namespace gig { Line 511  namespace LinuxSampler { namespace gig {
511                      itVoice->Render(Samples);                      itVoice->Render(Samples);
512                      if (itVoice->IsActive()) active_voices++; // still active                      if (itVoice->IsActive()) active_voices++; // still active
513                      else { // voice reached end, is now inactive                      else { // voice reached end, is now inactive
514                          KillVoiceImmediately(itVoice); // remove voice from the list of active voices                          FreeVoice(itVoice); // remove voice from the list of active voices
515                      }                      }
516                  }                  }
517              }              }
# Line 480  namespace LinuxSampler { namespace gig { Line 525  namespace LinuxSampler { namespace gig {
525              for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {              for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
526                  Pool<Voice>::Iterator itNewVoice = LaunchVoice(itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);                  Pool<Voice>::Iterator itNewVoice = LaunchVoice(itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);
527                  if (itNewVoice) {                  if (itNewVoice) {
528                      itNewVoice->Render(Samples);                      for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) {
529                      if (itNewVoice->IsActive()) active_voices++; // still active                          itNewVoice->Render(Samples);
530                      else { // voice reached end, is now inactive                          if (itNewVoice->IsActive()) active_voices++; // still active
531                          KillVoiceImmediately(itNewVoice); // remove voice from the list of active voices                          else { // voice reached end, is now inactive
532                                FreeVoice(itNewVoice); // remove voice from the list of active voices
533                            }
534                      }                      }
535                  }                  }
536                  else dmsg(1,("Ouch, voice stealing didn't work out!\n"));                  else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));
537              }              }
538          }          }
539          // reset voice stealing for the new fragment          // reset voice stealing for the new fragment
# Line 495  namespace LinuxSampler { namespace gig { Line 542  namespace LinuxSampler { namespace gig {
542          iuiLastStolenKey  = RTList<uint>::Iterator();          iuiLastStolenKey  = RTList<uint>::Iterator();
543    
544    
545            // free all keys which have no active voices left
546            {
547                RTList<uint>::Iterator iuiKey = pActiveKeys->first();
548                RTList<uint>::Iterator end    = pActiveKeys->end();
549                while (iuiKey != end) { // iterate through all active keys
550                    midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey];
551                    ++iuiKey;
552                    if (pKey->pActiveVoices->isEmpty()) FreeKey(pKey);
553                    #if DEVMODE
554                    else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)
555                        RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
556                        RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
557                        for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
558                            if (itVoice->itKillEvent) {
559                                dmsg(1,("gig::Engine: ERROR, killed voice survived !!!\n"));
560                            }
561                        }
562                    }
563                    #endif // DEVMODE
564                }
565            }
566    
567    
568          // write that to the disk thread class so that it can print it          // write that to the disk thread class so that it can print it
569          // on the console for debugging purposes          // on the console for debugging purposes
570          ActiveVoiceCount = active_voices;          ActiveVoiceCount = active_voices;
# Line 603  namespace LinuxSampler { namespace gig { Line 673  namespace LinuxSampler { namespace gig {
673       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
674       */       */
675      void Engine::ProcessNoteOn(Pool<Event>::Iterator& itNoteOnEvent) {      void Engine::ProcessNoteOn(Pool<Event>::Iterator& itNoteOnEvent) {
676          midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];  
677            const int key = itNoteOnEvent->Param.Note.Key;
678    
679            // Change key dimension value if key is in keyswitching area
680            if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high)
681                CurrentKeyDimension = ((key - pInstrument->DimensionKeyRange.low) * 128) /
682                    (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);
683    
684            midi_key_info_t* pKey = &pMIDIKeyInfo[key];
685    
686          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
687    
# Line 621  namespace LinuxSampler { namespace gig { Line 699  namespace LinuxSampler { namespace gig {
699          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
700    
701          // allocate and trigger a new voice for the key          // allocate and trigger a new voice for the key
702          LaunchVoice(itNoteOnEventOnKeyList);          LaunchVoice(itNoteOnEventOnKeyList, 0, false, true);
703      }      }
704    
705      /**      /**
# Line 647  namespace LinuxSampler { namespace gig { Line 725  namespace LinuxSampler { namespace gig {
725    
726          // spawn release triggered voice(s) if needed          // spawn release triggered voice(s) if needed
727          if (pKey->ReleaseTrigger) {          if (pKey->ReleaseTrigger) {
728              LaunchVoice(itNoteOffEventOnKeyList, 0, true);              LaunchVoice(itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
729              pKey->ReleaseTrigger = false;              pKey->ReleaseTrigger = false;
730          }          }
731      }      }
# Line 677  namespace LinuxSampler { namespace gig { Line 755  namespace LinuxSampler { namespace gig {
755       *                               when there is no free voice       *                               when there is no free voice
756       *                               (optional, default = true)       *                               (optional, default = true)
757       *  @returns pointer to new voice or NULL if there was no free voice or       *  @returns pointer to new voice or NULL if there was no free voice or
758       *           if an error occured while trying to trigger the new voice       *           if the voice wasn't triggered (for example when no region is
759         *           defined for the given key).
760       */       */
761      Pool<Voice>::Iterator Engine::LaunchVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {      Pool<Voice>::Iterator Engine::LaunchVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {
762          midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];          midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
# Line 686  namespace LinuxSampler { namespace gig { Line 765  namespace LinuxSampler { namespace gig {
765          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();
766          if (itNewVoice) {          if (itNewVoice) {
767              // launch the new voice              // launch the new voice
768              if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) {              if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) {
769                  dmsg(1,("Triggering new voice failed!\n"));                  dmsg(4,("Voice not triggered\n"));
770                  pKey->pActiveVoices->free(itNewVoice);                  pKey->pActiveVoices->free(itNewVoice);
771              }              }
772              else { // on success              else { // on success
# Line 716  namespace LinuxSampler { namespace gig { Line 795  namespace LinuxSampler { namespace gig {
795                  return itNewVoice; // success                  return itNewVoice; // success
796              }              }
797          }          }
798          else if (VoiceStealing) StealVoice(itNoteOnEvent, iLayer, ReleaseTriggerVoice); // no free voice left, so steal one          else if (VoiceStealing) {
799                // first, get total amount of required voices (dependant on amount of layers)
800                ::gig::Region* pRegion = pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key);
801                if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed
802                int voicesRequired = pRegion->Layers;
803    
804                // now steal the (remaining) amount of voices
805                for (int i = iLayer; i < voicesRequired; i++)
806                    StealVoice(itNoteOnEvent);
807    
808                // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
809                RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();
810                if (itStealEvent) {
811                    *itStealEvent = *itNoteOnEvent; // copy event
812                    itStealEvent->Param.Note.Layer = iLayer;
813                    itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
814                }
815                else dmsg(1,("Voice stealing queue full!\n"));
816            }
817    
818          return Pool<Voice>::Iterator(); // no free voice or error          return Pool<Voice>::Iterator(); // no free voice or error
819      }      }
# Line 727  namespace LinuxSampler { namespace gig { Line 824  namespace LinuxSampler { namespace gig {
824       *  voice stealing and postpone the note-on event until the selected       *  voice stealing and postpone the note-on event until the selected
825       *  voice actually died.       *  voice actually died.
826       *       *
827       *  @param itNoteOnEvent       - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
      *  @param iLayer              - layer index for the new voice  
      *  @param ReleaseTriggerVoice - if new voice is a release triggered voice  
828       */       */
829      void Engine::StealVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) {      void Engine::StealVoice(Pool<Event>::Iterator& itNoteOnEvent) {
830          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
831    
832              RTList<uint>::Iterator  iuiOldestKey;              RTList<uint>::Iterator  iuiOldestKey;
# Line 773  namespace LinuxSampler { namespace gig { Line 868  namespace LinuxSampler { namespace gig {
868                                  midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey];                                  midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey];
869                                  itOldestVoice = pOldestKey->pActiveVoices->first();                                  itOldestVoice = pOldestKey->pActiveVoices->first();
870                              }                              }
871                              else { // too less voices, even for voice stealing                              else {
872                                  dmsg(1,("Voice overflow! - You might recompile with higher MAX_AUDIO_VOICES!\n"));                                  dmsg(1,("gig::Engine: Warning, too less voices, even for voice stealing! - Better recompile with higher MAX_AUDIO_VOICES.\n"));
873                                  return;                                  return;
874                              }                              }
875                          }                          }
# Line 796  namespace LinuxSampler { namespace gig { Line 891  namespace LinuxSampler { namespace gig {
891                  }                  }
892              }              }
893    
894                //FIXME: can be removed, just a sanity check for debugging
895                if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
896    
897              // now kill the selected voice              // now kill the selected voice
898              itOldestVoice->Kill(itNoteOnEvent);              itOldestVoice->Kill(itNoteOnEvent);
899              // remember which voice on which key we stole, so we can simply proceed for the next voice stealing              // remember which voice on which key we stole, so we can simply proceed for the next voice stealing
900              this->itLastStolenVoice = itOldestVoice;              this->itLastStolenVoice = itOldestVoice;
901              this->iuiLastStolenKey = iuiOldestKey;              this->iuiLastStolenKey = iuiOldestKey;
             // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died  
             RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();  
             if (itStealEvent) {  
                 *itStealEvent = *itNoteOnEvent; // copy event  
                 itStealEvent->Param.Note.Layer = iLayer;  
                 itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;  
             }  
             else dmsg(1,("Voice stealing queue full!\n"));  
902          }          }
903          else dmsg(1,("Event pool emtpy!\n"));          else dmsg(1,("Event pool emtpy!\n"));
904      }      }
905    
906      /**      /**
907       *  Immediately kills the voice given with pVoice (no matter if sustain is       *  Removes the given voice from the MIDI key's list of active voices.
908       *  pressed or not) and removes it from the MIDI key's list of active voice.       *  This method will be called when a voice went inactive, e.g. because
909       *  This method will e.g. be called if a voice went inactive by itself.       *  it finished to playback its sample, finished its release stage or
910         *  just was killed.
911       *       *
912       *  @param itVoice - points to the voice to be killed       *  @param itVoice - points to the voice to be freed
913       */       */
914      void Engine::KillVoiceImmediately(Pool<Voice>::Iterator& itVoice) {      void Engine::FreeVoice(Pool<Voice>::Iterator& itVoice) {
915          if (itVoice) {          if (itVoice) {
             if (itVoice->IsActive()) itVoice->KillImmediately();  
   
916              midi_key_info_t* pKey = &pMIDIKeyInfo[itVoice->MIDIKey];              midi_key_info_t* pKey = &pMIDIKeyInfo[itVoice->MIDIKey];
917    
918              uint keygroup = itVoice->KeyGroup;              uint keygroup = itVoice->KeyGroup;
# Line 831  namespace LinuxSampler { namespace gig { Line 920  namespace LinuxSampler { namespace gig {
920              // free the voice object              // free the voice object
921              pVoicePool->free(itVoice);              pVoicePool->free(itVoice);
922    
923              // check if there are no voices left on the MIDI key and update the key info if so              // if no other voices left and member of a key group, remove from key group
924              if (pKey->pActiveVoices->isEmpty()) {              if (pKey->pActiveVoices->isEmpty() && keygroup) {
925                  if (keygroup) { // if voice / key belongs to a key group                  uint** ppKeyGroup = &ActiveKeyGroups[keygroup];
926                      uint** ppKeyGroup = &ActiveKeyGroups[keygroup];                  if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group
                     if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group  
                 }  
                 pKey->Active = false;  
                 pActiveKeys->free(pKey->itSelf); // remove key from list of active keys  
                 pKey->itSelf = RTList<uint>::Iterator();  
                 pKey->ReleaseTrigger = false;  
                 pKey->pEvents->clear();  
                 dmsg(3,("Key has no more voices now\n"));  
927              }              }
928          }          }
929          else std::cerr << "Couldn't release voice! (pVoice == NULL)\n" << std::flush;          else std::cerr << "Couldn't release voice! (!itVoice)\n" << std::flush;
930        }
931    
932        /**
933         *  Called when there's no more voice left on a key, this call will
934         *  update the key info respectively.
935         *
936         *  @param pKey - key which is now inactive
937         */
938        void Engine::FreeKey(midi_key_info_t* pKey) {
939            if (pKey->pActiveVoices->isEmpty()) {
940                pKey->Active = false;
941                pActiveKeys->free(pKey->itSelf); // remove key from list of active keys
942                pKey->itSelf = RTList<uint>::Iterator();
943                pKey->ReleaseTrigger = false;
944                pKey->pEvents->clear();
945                dmsg(3,("Key has no more voices now\n"));
946            }
947            else dmsg(1,("gig::Engine: Oops, tried to free a key which contains voices.\n"));
948      }      }
949    
950      /**      /**
# Line 1095  namespace LinuxSampler { namespace gig { Line 1194  namespace LinuxSampler { namespace gig {
1194      }      }
1195    
1196      String Engine::Version() {      String Engine::Version() {
1197          String s = "$Revision: 1.15 $";          String s = "$Revision: 1.23 $";
1198          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
1199      }      }
1200    
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