/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/Engine.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 285 by schoenebeck, Thu Oct 14 21:31:26 2004 UTC revision 319 by schoenebeck, Mon Dec 13 00:46:42 2004 UTC
# Line 26  Line 26 
26  #include "EGADSR.h"  #include "EGADSR.h"
27    
28  #include "Engine.h"  #include "Engine.h"
29    #include <malloc.h>
30    
31  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
32    
# Line 99  namespace LinuxSampler { namespace gig { Line 100  namespace LinuxSampler { namespace gig {
100          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
101          if (pMainFilterParameters) delete[] pMainFilterParameters;          if (pMainFilterParameters) delete[] pMainFilterParameters;
102          if (pBasicFilterParameters) delete[] pBasicFilterParameters;          if (pBasicFilterParameters) delete[] pBasicFilterParameters;
103          if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0];          if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);
104          if (pVoiceStealingQueue) delete pVoiceStealingQueue;          if (pVoiceStealingQueue) delete pVoiceStealingQueue;
105      }      }
106    
# Line 341  namespace LinuxSampler { namespace gig { Line 342  namespace LinuxSampler { namespace gig {
342          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());
343    
344          // (re)allocate synthesis parameter matrix          // (re)allocate synthesis parameter matrix
345          if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0];          if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);
346          pSynthesisParameters[0] = new float[Event::destination_count * pAudioOut->MaxSamplesPerCycle()];          pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle()));
347          for (int dst = 1; dst < Event::destination_count; dst++)          for (int dst = 1; dst < Event::destination_count; dst++)
348              pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();              pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();
349    
# Line 398  namespace LinuxSampler { namespace gig { Line 399  namespace LinuxSampler { namespace gig {
399          }          }
400    
401    
402            // update time of start and end of this audio fragment (as events' time stamps relate to this)
403            pEventGenerator->UpdateFragmentTime(Samples);
404    
405    
406          // empty the event lists for the new fragment          // empty the event lists for the new fragment
407          pEvents->clear();          pEvents->clear();
408          pCCEvents->clear();          pCCEvents->clear();
# Line 412  namespace LinuxSampler { namespace gig { Line 417  namespace LinuxSampler { namespace gig {
417              }              }
418          }          }
419    
         // read and copy events from input queue  
         Event event = pEventGenerator->CreateEvent();  
         while (true) {  
             if (!pEventQueue->pop(&event) || pEvents->poolIsEmpty()) break;  
             *pEvents->allocAppend() = event;  
         }  
   
420    
421          // 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
422          pEventGenerator->UpdateFragmentTime(Samples);          {
423                RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
424                Event* pEvent;
425                while (true) {
426                    // get next event from input event queue
427                    if (!(pEvent = eventQueueReader.pop())) break;
428                    // if younger event reached, ignore that and all subsequent ones for now
429                    if (pEvent->FragmentPos() >= Samples) {
430                        eventQueueReader--;
431                        dmsg(2,("Younger Event, pos=%d ,Samples=%d!\n",pEvent->FragmentPos(),Samples));
432                        pEvent->ResetFragmentPos();
433                        break;
434                    }
435                    // copy event to internal event list
436                    if (pEvents->poolIsEmpty()) {
437                        dmsg(1,("Event pool emtpy!\n"));
438                        break;
439                    }
440                    *pEvents->allocAppend() = *pEvent;
441                }
442                eventQueueReader.free(); // free all copied events from input queue
443            }
444    
445    
446          // process events          // process events
# Line 494  namespace LinuxSampler { namespace gig { Line 513  namespace LinuxSampler { namespace gig {
513                          }                          }
514                      }                      }
515                  }                  }
516                  else dmsg(1,("Ouch, voice stealing didn't work out!\n"));                  else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));
517              }              }
518          }          }
519          // reset voice stealing for the new fragment          // reset voice stealing for the new fragment
# Line 503  namespace LinuxSampler { namespace gig { Line 522  namespace LinuxSampler { namespace gig {
522          iuiLastStolenKey  = RTList<uint>::Iterator();          iuiLastStolenKey  = RTList<uint>::Iterator();
523    
524    
525            // free all keys which have no active voices left
526            {
527                RTList<uint>::Iterator iuiKey = pActiveKeys->first();
528                RTList<uint>::Iterator end    = pActiveKeys->end();
529                while (iuiKey != end) { // iterate through all active keys
530                    midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey];
531                    ++iuiKey;
532                    if (pKey->pActiveVoices->isEmpty()) FreeKey(pKey);
533                    #if DEVMODE
534                    else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)
535                        RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
536                        RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
537                        for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
538                            if (itVoice->itKillEvent) {
539                                dmsg(1,("gig::Engine: ERROR, killed voice survived !!!\n"));
540                            }
541                        }
542                    }
543                    #endif // DEVMODE
544                }
545            }
546    
547    
548          // 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
549          // on the console for debugging purposes          // on the console for debugging purposes
550          ActiveVoiceCount = active_voices;          ActiveVoiceCount = active_voices;
# Line 629  namespace LinuxSampler { namespace gig { Line 671  namespace LinuxSampler { namespace gig {
671          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
672    
673          // allocate and trigger a new voice for the key          // allocate and trigger a new voice for the key
674          LaunchVoice(itNoteOnEventOnKeyList);          LaunchVoice(itNoteOnEventOnKeyList, 0, false, true);
675      }      }
676    
677      /**      /**
# Line 655  namespace LinuxSampler { namespace gig { Line 697  namespace LinuxSampler { namespace gig {
697    
698          // spawn release triggered voice(s) if needed          // spawn release triggered voice(s) if needed
699          if (pKey->ReleaseTrigger) {          if (pKey->ReleaseTrigger) {
700              LaunchVoice(itNoteOffEventOnKeyList, 0, true);              LaunchVoice(itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
701              pKey->ReleaseTrigger = false;              pKey->ReleaseTrigger = false;
702          }          }
703      }      }
# Line 694  namespace LinuxSampler { namespace gig { Line 736  namespace LinuxSampler { namespace gig {
736          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();
737          if (itNewVoice) {          if (itNewVoice) {
738              // launch the new voice              // launch the new voice
739              if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) {              if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) {
740                  dmsg(1,("Triggering new voice failed!\n"));                  dmsg(1,("Triggering new voice failed!\n"));
741                  pKey->pActiveVoices->free(itNewVoice);                  pKey->pActiveVoices->free(itNewVoice);
742              }              }
# Line 820  namespace LinuxSampler { namespace gig { Line 862  namespace LinuxSampler { namespace gig {
862                  }                  }
863              }              }
864    
865                //FIXME: can be removed, just a sanity check for debugging
866                if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
867    
868              // now kill the selected voice              // now kill the selected voice
869              itOldestVoice->Kill(itNoteOnEvent);              itOldestVoice->Kill(itNoteOnEvent);
870              // 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
# Line 846  namespace LinuxSampler { namespace gig { Line 891  namespace LinuxSampler { namespace gig {
891              // free the voice object              // free the voice object
892              pVoicePool->free(itVoice);              pVoicePool->free(itVoice);
893    
894              // 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
895              if (pKey->pActiveVoices->isEmpty()) {              if (pKey->pActiveVoices->isEmpty() && keygroup) {
896                  if (keygroup) { // if voice / key belongs to a key group                  uint** ppKeyGroup = &ActiveKeyGroups[keygroup];
897                      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"));  
898              }              }
899          }          }
900          else std::cerr << "Couldn't release voice! (!itVoice)\n" << std::flush;          else std::cerr << "Couldn't release voice! (!itVoice)\n" << std::flush;
901      }      }
902    
903      /**      /**
904         *  Called when there's no more voice left on a key, this call will
905         *  update the key info respectively.
906         *
907         *  @param pKey - key which is now inactive
908         */
909        void Engine::FreeKey(midi_key_info_t* pKey) {
910            if (pKey->pActiveVoices->isEmpty()) {
911                pKey->Active = false;
912                pActiveKeys->free(pKey->itSelf); // remove key from list of active keys
913                pKey->itSelf = RTList<uint>::Iterator();
914                pKey->ReleaseTrigger = false;
915                pKey->pEvents->clear();
916                dmsg(3,("Key has no more voices now\n"));
917            }
918            else dmsg(1,("gig::Engine: Oops, tried to free a key which contains voices.\n"));
919        }
920    
921        /**
922       *  Reacts on supported control change commands (e.g. pitch bend wheel,       *  Reacts on supported control change commands (e.g. pitch bend wheel,
923       *  modulation wheel, aftertouch).       *  modulation wheel, aftertouch).
924       *       *
# Line 1110  namespace LinuxSampler { namespace gig { Line 1165  namespace LinuxSampler { namespace gig {
1165      }      }
1166    
1167      String Engine::Version() {      String Engine::Version() {
1168          String s = "$Revision: 1.16 $";          String s = "$Revision: 1.19 $";
1169          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
1170      }      }
1171    
Legend:
Removed from v.285  
changed lines
  Added in v.319
  ViewVC Help
Powered by ViewVC