/[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 475 by schoenebeck, Thu Mar 17 23:56:56 2005 UTC revision 668 by schoenebeck, Mon Jun 20 15:30:47 2005 UTC
# Line 103  namespace LinuxSampler { namespace gig { Line 103  namespace LinuxSampler { namespace gig {
103          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
104          pDiskThread        = NULL;          pDiskThread        = NULL;
105          pEventGenerator    = NULL;          pEventGenerator    = NULL;
106          pSysexBuffer       = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0);          pSysexBuffer       = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0);
107          pEventQueue        = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue        = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
108          pEventPool         = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT);          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
109          pVoicePool         = new Pool<Voice>(MAX_AUDIO_VOICES);          pVoicePool         = new Pool<Voice>(CONFIG_MAX_VOICES);
110          pVoiceStealingQueue = new RTList<Event>(pEventPool);          pVoiceStealingQueue = new RTList<Event>(pEventPool);
111          pGlobalEvents      = new RTList<Event>(pEventPool);          pGlobalEvents      = new RTList<Event>(pEventPool);
112          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()) {
# Line 119  namespace LinuxSampler { namespace gig { Line 119  namespace LinuxSampler { namespace gig {
119          pMainFilterParameters   = NULL;          pMainFilterParameters   = NULL;
120    
121          ResetInternal();          ResetInternal();
122            ResetScaleTuning();
123      }      }
124    
125      /**      /**
# Line 171  namespace LinuxSampler { namespace gig { Line 172  namespace LinuxSampler { namespace gig {
172      void Engine::Reset() {      void Engine::Reset() {
173          DisableAndLock();          DisableAndLock();
174          ResetInternal();          ResetInternal();
175            ResetScaleTuning();
176          Enable();          Enable();
177      }      }
178    
# Line 184  namespace LinuxSampler { namespace gig { Line 186  namespace LinuxSampler { namespace gig {
186    
187          // reset voice stealing parameters          // reset voice stealing parameters
188          pVoiceStealingQueue->clear();          pVoiceStealingQueue->clear();
189          itLastStolenVoice  = RTList<Voice>::Iterator();          itLastStolenVoice          = RTList<Voice>::Iterator();
190          iuiLastStolenKey   = RTList<uint>::Iterator();          itLastStolenVoiceGlobally  = RTList<Voice>::Iterator();
191          pLastStolenChannel = NULL;          iuiLastStolenKey           = RTList<uint>::Iterator();
192            iuiLastStolenKeyGlobally   = RTList<uint>::Iterator();
193          // reset to normal chromatic scale (means equal temper)          pLastStolenChannel         = NULL;
         memset(&ScaleTuning[0], 0x00, 12);  
194    
195          // reset all voices          // reset all voices
196          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()) {
# Line 205  namespace LinuxSampler { namespace gig { Line 206  namespace LinuxSampler { namespace gig {
206      }      }
207    
208      /**      /**
209         * Reset to normal, chromatic scale (means equal tempered).
210         */
211        void Engine::ResetScaleTuning() {
212            memset(&ScaleTuning[0], 0x00, 12);
213        }
214    
215        /**
216       * Connect this engine instance with the given audio output device.       * Connect this engine instance with the given audio output device.
217       * This method will be called when an Engine instance is created.       * This method will be called when an Engine instance is created.
218       * All of the engine's data structures which are dependant to the used       * All of the engine's data structures which are dependant to the used
# Line 231  namespace LinuxSampler { namespace gig { Line 239  namespace LinuxSampler { namespace gig {
239          this->SampleRate         = pAudioOutputDevice->SampleRate();          this->SampleRate         = pAudioOutputDevice->SampleRate();
240    
241          // FIXME: audio drivers with varying fragment sizes might be a problem here          // FIXME: audio drivers with varying fragment sizes might be a problem here
242          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1;          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;
243          if (MaxFadeOutPos < 0)          if (MaxFadeOutPos < 0)
244              throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!");              throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!");
245    
246          // (re)create disk thread          // (re)create disk thread
247          if (this->pDiskThread) {          if (this->pDiskThread) {
# Line 242  namespace LinuxSampler { namespace gig { Line 250  namespace LinuxSampler { namespace gig {
250              delete this->pDiskThread;              delete this->pDiskThread;
251              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
252          }          }
253          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo
254          if (!pDiskThread) {          if (!pDiskThread) {
255              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
256              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 352  namespace LinuxSampler { namespace gig { Line 360  namespace LinuxSampler { namespace gig {
360          // update time of start and end of this audio fragment (as events' time stamps relate to this)          // update time of start and end of this audio fragment (as events' time stamps relate to this)
361          pEventGenerator->UpdateFragmentTime(Samples);          pEventGenerator->UpdateFragmentTime(Samples);
362    
363            // We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned
364            // in each audio fragment. All subsequent request for spawning new
365            // voices in the same audio fragment will be ignored.
366            VoiceSpawnsLeft = CONFIG_MAX_VOICES;
367    
368          // get all events from the engine's global input event queue which belong to the current fragment          // get all events from the engine's global input event queue which belong to the current fragment
369          // (these are usually just SysEx messages)          // (these are usually just SysEx messages)
370          ImportEvents(Samples);          ImportEvents(Samples);
# Line 370  namespace LinuxSampler { namespace gig { Line 383  namespace LinuxSampler { namespace gig {
383              }              }
384          }          }
385    
         // We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen  
         // in each audio fragment. All subsequent request for spawning new  
         // voices in the same audio fragment will be ignored.  
         VoiceTheftsLeft = MAX_AUDIO_VOICES;  
   
386          // reset internal voice counter (just for statistic of active voices)          // reset internal voice counter (just for statistic of active voices)
387          ActiveVoiceCountTemp = 0;          ActiveVoiceCountTemp = 0;
388    
   
389          // handle events on all engine channels          // handle events on all engine channels
390          for (int i = 0; i < engineChannels.size(); i++) {          for (int i = 0; i < engineChannels.size(); i++) {
391              if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded              if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
# Line 406  namespace LinuxSampler { namespace gig { Line 413  namespace LinuxSampler { namespace gig {
413    
414          // reset voice stealing for the next audio fragment          // reset voice stealing for the next audio fragment
415          pVoiceStealingQueue->clear();          pVoiceStealingQueue->clear();
         itLastStolenVoice  = RTList<Voice>::Iterator();  
         iuiLastStolenKey   = RTList<uint>::Iterator();  
         pLastStolenChannel = NULL;  
416    
417          // just some statistics about this engine instance          // just some statistics about this engine instance
418          ActiveVoiceCount = ActiveVoiceCountTemp;          ActiveVoiceCount = ActiveVoiceCountTemp;
419          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;
420    
421            FrameTime += Samples;
422    
423          return 0;          return 0;
424      }      }
425    
# Line 456  namespace LinuxSampler { namespace gig { Line 462  namespace LinuxSampler { namespace gig {
462                  }                  }
463              }              }
464          }          }
465    
466            // reset voice stealing for the next engine channel (or next audio fragment)
467            itLastStolenVoice         = RTList<Voice>::Iterator();
468            itLastStolenVoiceGlobally = RTList<Voice>::Iterator();
469            iuiLastStolenKey          = RTList<uint>::Iterator();
470            iuiLastStolenKeyGlobally  = RTList<uint>::Iterator();
471            pLastStolenChannel        = NULL;
472      }      }
473    
474      /**      /**
# Line 506  namespace LinuxSampler { namespace gig { Line 519  namespace LinuxSampler { namespace gig {
519          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
520              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
521              Pool<Voice>::Iterator itNewVoice =              Pool<Voice>::Iterator itNewVoice =
522                  LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);                  LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false);
523              if (itNewVoice) {              if (itNewVoice) {
524                  itNewVoice->Render(Samples);                  itNewVoice->Render(Samples);
525                  if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active                  if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active
# Line 539  namespace LinuxSampler { namespace gig { Line 552  namespace LinuxSampler { namespace gig {
552                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
553                  ++iuiKey;                  ++iuiKey;
554                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);
555                  #if DEVMODE                  #if CONFIG_DEVMODE
556                  else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)                  else { // just a sanity check for debugging
557                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
558                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
559                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
# Line 549  namespace LinuxSampler { namespace gig { Line 562  namespace LinuxSampler { namespace gig {
562                          }                          }
563                      }                      }
564                  }                  }
565                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
566              }              }
567          }          }
568    
# Line 584  namespace LinuxSampler { namespace gig { Line 597  namespace LinuxSampler { namespace gig {
597                  // finally place sysex event into input event queue                  // finally place sysex event into input event queue
598                  pEventQueue->push(&event);                  pEventQueue->push(&event);
599              }              }
600              else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE));              else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,CONFIG_SYSEX_BUFFER_SIZE));
601          }          }
602          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
603      }      }
# Line 610  namespace LinuxSampler { namespace gig { Line 623  namespace LinuxSampler { namespace gig {
623          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];
624    
625          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
626            pKey->Velocity   = itNoteOnEvent->Param.Note.Velocity;
627            pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length
628    
629          // cancel release process of voices on this key if needed          // cancel release process of voices on this key if needed
630          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
# Line 632  namespace LinuxSampler { namespace gig { Line 647  namespace LinuxSampler { namespace gig {
647                  int voicesRequired = pRegion->Layers;                  int voicesRequired = pRegion->Layers;
648                  // now launch the required amount of voices                  // now launch the required amount of voices
649                  for (int i = 0; i < voicesRequired; i++)                  for (int i = 0; i < voicesRequired; i++)
650                      LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true);                      LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true, true);
651              }              }
652          }          }
653    
# Line 660  namespace LinuxSampler { namespace gig { Line 675  namespace LinuxSampler { namespace gig {
675          // release voices on this key if needed          // release voices on this key if needed
676          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
677              itNoteOffEvent->Type = Event::type_release; // transform event type              itNoteOffEvent->Type = Event::type_release; // transform event type
         }  
678    
679          // move event to the key's own event list              // move event to the key's own event list
680          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);              RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
681    
682          // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
683          if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger) {
684              // first, get total amount of required voices (dependant on amount of layers)                  // first, get total amount of required voices (dependant on amount of layers)
685              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
686              if (pRegion) {                  if (pRegion) {
687                  int voicesRequired = pRegion->Layers;                      int voicesRequired = pRegion->Layers;
688                  // now launch the required amount of voices  
689                  for (int i = 0; i < voicesRequired; i++)                      // MIDI note-on velocity is used instead of note-off velocity
690                      LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                      itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity;
691    
692                        // now launch the required amount of voices
693                        for (int i = 0; i < voicesRequired; i++)
694                            LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
695                    }
696                    pKey->ReleaseTrigger = false;
697              }              }
             pKey->ReleaseTrigger = false;  
         }  
698    
699          // if neither a voice was spawned or postponed then remove note off event from key again              // if neither a voice was spawned or postponed then remove note off event from key again
700          if (!pKey->Active && !pKey->VoiceTheftsQueued)              if (!pKey->Active && !pKey->VoiceTheftsQueued)
701              pKey->pEvents->free(itNoteOffEventOnKeyList);                  pKey->pEvents->free(itNoteOffEventOnKeyList);
702            }
703      }      }
704    
705      /**      /**
# Line 709  namespace LinuxSampler { namespace gig { Line 728  namespace LinuxSampler { namespace gig {
728       *  @param VoiceStealing       - if voice stealing should be performed       *  @param VoiceStealing       - if voice stealing should be performed
729       *                               when there is no free voice       *                               when there is no free voice
730       *                               (optional, default = true)       *                               (optional, default = true)
731         *  @param HandleKeyGroupConflicts - if voices should be killed due to a
732         *                                   key group conflict
733       *  @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
734       *           if the voice wasn't triggered (for example when no region is       *           if the voice wasn't triggered (for example when no region is
735       *           defined for the given key).       *           defined for the given key).
736       */       */
737      Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {      Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts) {
738          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];          midi_key_info_t* pKey  = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
739            ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key);
740    
741            // if nothing defined for this key
742            if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do
743    
744            // handle key group (a.k.a. exclusive group) conflicts
745            if (HandleKeyGroupConflicts) {
746                // only mark the first voice of a layered voice (group) to be in a
747                // key group, so the layered voices won't kill each other
748                int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0;
749                if (iKeyGroup) { // if this voice / key belongs to a key group
750                    uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup];
751                    if (*ppKeyGroup) { // if there's already an active key in that key group
752                        midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup];
753                        // kill all voices on the (other) key
754                        RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
755                        RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();
756                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
757                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger) {
758                                itVoiceToBeKilled->Kill(itNoteOnEvent);
759                                --VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict
760                            }
761                        }
762                    }
763                }
764            }
765    
766          // allocate a new voice for the key          // allocate a new voice for the key
767          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();
# Line 725  namespace LinuxSampler { namespace gig { Line 772  namespace LinuxSampler { namespace gig {
772                  pKey->pActiveVoices->free(itNewVoice);                  pKey->pActiveVoices->free(itNewVoice);
773              }              }
774              else { // on success              else { // on success
775                  uint** ppKeyGroup = NULL;                  --VoiceSpawnsLeft;
                 if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group  
                     ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];  
                     if (*ppKeyGroup) { // if there's already an active key in that key group  
                         midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup];  
                         // kill all voices on the (other) key  
                         RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();  
                         RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();  
                         for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {  
                             if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent);  
                         }  
                     }  
                 }  
776                  if (!pKey->Active) { // mark as active key                  if (!pKey->Active) { // mark as active key
777                      pKey->Active = true;                      pKey->Active = true;
778                      pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend();                      pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend();
779                      *pKey->itSelf = itNoteOnEvent->Param.Note.Key;                      *pKey->itSelf = itNoteOnEvent->Param.Note.Key;
780                  }                  }
781                  if (itNewVoice->KeyGroup) {                  if (itNewVoice->KeyGroup) {
782                        uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];
783                      *ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group                      *ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group
784                  }                  }
785                  if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)                  if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)
# Line 780  namespace LinuxSampler { namespace gig { Line 816  namespace LinuxSampler { namespace gig {
816       *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing       *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing
817       */       */
818      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
819          if (!VoiceTheftsLeft) {          if (VoiceSpawnsLeft <= 0) {
820              dmsg(1,("Max. voice thefts per audio fragment reached (you may raise MAX_AUDIO_VOICES).\n"));              dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n"));
821              return -1;              return -1;
822          }          }
823          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
# Line 789  namespace LinuxSampler { namespace gig { Line 825  namespace LinuxSampler { namespace gig {
825              RTList<Voice>::Iterator itSelectedVoice;              RTList<Voice>::Iterator itSelectedVoice;
826    
827              // Select one voice for voice stealing              // Select one voice for voice stealing
828              switch (VOICE_STEAL_ALGORITHM) {              switch (CONFIG_VOICE_STEAL_ALGO) {
829    
830                  // try to pick the oldest voice on the key where the new                  // try to pick the oldest voice on the key where the new
831                  // voice should be spawned, if there is no voice on that                  // voice should be spawned, if there is no voice on that
832                  // key, or no voice left to kill there, then procceed with                  // key, or no voice left to kill, then procceed with
833                  // 'oldestkey' algorithm                  // 'oldestkey' algorithm
834                  case voice_steal_algo_oldestvoiceonkey: {                  case voice_steal_algo_oldestvoiceonkey: {
                 #if 0 // FIXME: broken  
835                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
836                      if (this->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
837                          itSelectedVoice = this->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
838                          ++itSelectedVoice;                      while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
839                      }                      // if we haven't found a voice then proceed with algorithm 'oldestkey'
840                      else { // no voice stolen in this audio fragment cycle yet                      if (itSelectedVoice && itSelectedVoice->IsStealable()) break;
                         itSelectedVoice = pSelectedKey->pActiveVoices->first();  
                     }  
                     if (itSelectedVoice) {  
                         iuiSelectedKey = pSelectedKey->itSelf;  
                         break; // selection succeeded  
                     }  
                 #endif  
841                  } // no break - intentional !                  } // no break - intentional !
842    
843                  // try to pick the oldest voice on the oldest active key                  // try to pick the oldest voice on the oldest active key
844                    // from the same engine channel
845                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)
846                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
847                        // if we already stole in this fragment, try to proceed on same key
848                      if (this->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
849                          itSelectedVoice = this->itLastStolenVoice;                          itSelectedVoice = this->itLastStolenVoice;
850                          ++itSelectedVoice;                          do {
851                          if (itSelectedVoice) break; // selection succeeded                              ++itSelectedVoice;
852                          RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey;                          } while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle
853                          ++iuiSelectedKey;                          // found a "stealable" voice ?
854                          if (iuiSelectedKey) {                          if (itSelectedVoice && itSelectedVoice->IsStealable()) {
855                              this->iuiLastStolenKey = iuiSelectedKey;                              // remember which voice we stole, so we can simply proceed on next voice stealing
856                              midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];                              this->itLastStolenVoice = itSelectedVoice;
                             itSelectedVoice = pSelectedKey->pActiveVoices->first();  
857                              break; // selection succeeded                              break; // selection succeeded
858                          }                          }
859                      }                      }
860                        // get (next) oldest key
861                        RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first();
862                        while (iuiSelectedKey) {
863                            midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];
864                            itSelectedVoice = pSelectedKey->pActiveVoices->first();
865                            // proceed iterating if voice was created in this fragment cycle
866                            while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
867                            // found a "stealable" voice ?
868                            if (itSelectedVoice && itSelectedVoice->IsStealable()) {
869                                // remember which voice on which key we stole, so we can simply proceed on next voice stealing
870                                this->iuiLastStolenKey  = iuiSelectedKey;
871                                this->itLastStolenVoice = itSelectedVoice;
872                                break; // selection succeeded
873                            }
874                            ++iuiSelectedKey; // get next oldest key
875                        }
876                      break;                      break;
877                  }                  }
878    
# Line 839  namespace LinuxSampler { namespace gig { Line 884  namespace LinuxSampler { namespace gig {
884                  }                  }
885              }              }
886    
887              // steal oldest voice on the oldest key from this or any other engine channel              // if we couldn't steal a voice from the same engine channel then
888              if (!itSelectedVoice) {              // steal oldest voice on the oldest key from any other engine channel
889                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;              // (the smaller engine channel number, the higher priority)
890                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;              if (!itSelectedVoice || !itSelectedVoice->IsStealable()) {
891                  while (true) {                  EngineChannel* pSelectedChannel;
892                      RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first();                  int            iChannelIndex;
893                      if (iuiSelectedKey) {                  // select engine channel
894                    if (pLastStolenChannel) {
895                        pSelectedChannel = pLastStolenChannel;
896                        iChannelIndex    = pSelectedChannel->iEngineIndexSelf;
897                    } else { // pick the engine channel followed by this engine channel
898                        iChannelIndex    = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size();
899                        pSelectedChannel = engineChannels[iChannelIndex];
900                    }
901    
902                    // if we already stole in this fragment, try to proceed on same key
903                    if (this->itLastStolenVoiceGlobally) {
904                        itSelectedVoice = this->itLastStolenVoiceGlobally;
905                        do {
906                            ++itSelectedVoice;
907                        } while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle
908                    }
909    
910                    #if CONFIG_DEVMODE
911                    EngineChannel* pBegin = pSelectedChannel; // to detect endless loop
912                    #endif // CONFIG_DEVMODE
913    
914                    // did we find a 'stealable' voice?
915                    if (itSelectedVoice && itSelectedVoice->IsStealable()) {
916                        // remember which voice we stole, so we can simply proceed on next voice stealing
917                        this->itLastStolenVoiceGlobally = itSelectedVoice;
918                    } else while (true) { // iterate through engine channels
919                        // get (next) oldest key
920                        RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first();
921                        this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above)
922                        while (iuiSelectedKey) {
923                          midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];                          midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];
924                          itSelectedVoice    = pSelectedKey->pActiveVoices->first();                          itSelectedVoice = pSelectedKey->pActiveVoices->first();
925                          iuiLastStolenKey   = iuiSelectedKey;                          // proceed iterating if voice was created in this fragment cycle
926                          pLastStolenChannel = pSelectedChannel;                          while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
927                          break; // selection succeeded                          // found a "stealable" voice ?
928                            if (itSelectedVoice && itSelectedVoice->IsStealable()) {
929                                // remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing
930                                this->iuiLastStolenKeyGlobally  = iuiSelectedKey;
931                                this->itLastStolenVoiceGlobally = itSelectedVoice;
932                                this->pLastStolenChannel        = pSelectedChannel;
933                                goto stealable_voice_found; // selection succeeded
934                            }
935                            ++iuiSelectedKey; // get next key on current engine channel
936                      }                      }
937                        // get next engine channel
938                      iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();                      iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();
939                      pSelectedChannel =  engineChannels[iChannelIndex];                      pSelectedChannel = engineChannels[iChannelIndex];
940    
941                        #if CONFIG_DEVMODE
942                        if (pSelectedChannel == pBegin) {
943                            dmsg(1,("FATAL ERROR: voice stealing endless loop!\n"));
944                            dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft));
945                            dmsg(1,("Exiting.\n"));
946                            exit(-1);
947                        }
948                        #endif // CONFIG_DEVMODE
949                  }                  }
950              }              }
951    
952              //FIXME: can be removed, just a sanity check for debugging              // jump point if a 'stealable' voice was found
953                stealable_voice_found:
954    
955                #if CONFIG_DEVMODE
956              if (!itSelectedVoice->IsActive()) {              if (!itSelectedVoice->IsActive()) {
957                  dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));                  dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
958                  return -1;                  return -1;
959              }              }
960                #endif // CONFIG_DEVMODE
961    
962              // now kill the selected voice              // now kill the selected voice
963              itSelectedVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
964    
965              // remember which voice we stole, so we can simply proceed for the next voice stealing              --VoiceSpawnsLeft;
             itLastStolenVoice = itSelectedVoice;  
   
             --VoiceTheftsLeft;  
966    
967              return 0; // success              return 0; // success
968          }          }
# Line 945  namespace LinuxSampler { namespace gig { Line 1038  namespace LinuxSampler { namespace gig {
1038              case 7: { // volume              case 7: { // volume
1039                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1040                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;
1041                    pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1042                  break;                  break;
1043              }              }
1044              case 10: { // panpot              case 10: { // panpot
# Line 1027  namespace LinuxSampler { namespace gig { Line 1121  namespace LinuxSampler { namespace gig {
1121    
1122          switch (id) {          switch (id) {
1123              case 0x41: { // Roland              case 0x41: { // Roland
1124                    dmsg(3,("Roland Sysex\n"));
1125                  uint8_t device_id, model_id, cmd_id;                  uint8_t device_id, model_id, cmd_id;
1126                  if (!reader.pop(&device_id)) goto free_sysex_data;                  if (!reader.pop(&device_id)) goto free_sysex_data;
1127                  if (!reader.pop(&model_id))  goto free_sysex_data;                  if (!reader.pop(&model_id))  goto free_sysex_data;
# Line 1039  namespace LinuxSampler { namespace gig { Line 1134  namespace LinuxSampler { namespace gig {
1134                  const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later                  const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later
1135                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1136                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1137                        dmsg(3,("\tSystem Parameter\n"));
1138                  }                  }
1139                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1140                        dmsg(3,("\tCommon Parameter\n"));
1141                  }                  }
1142                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
1143                      switch (addr[3]) {                      dmsg(3,("\tPart Parameter\n"));
1144                        switch (addr[2]) {
1145                          case 0x40: { // scale tuning                          case 0x40: { // scale tuning
1146                                dmsg(3,("\t\tScale Tuning\n"));
1147                              uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave                              uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave
1148                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
1149                              uint8_t checksum;                              uint8_t checksum;
1150                              if (!reader.pop(&checksum))                      goto free_sysex_data;                              if (!reader.pop(&checksum)) goto free_sysex_data;
1151                              if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;                              #if CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1152                                if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data;
1153                                #endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1154                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
1155                              AdjustScale((int8_t*) scale_tunes);                              AdjustScale((int8_t*) scale_tunes);
1156                                dmsg(3,("\t\t\tNew scale applied.\n"));
1157                              break;                              break;
1158                          }                          }
1159                      }                      }
# Line 1136  namespace LinuxSampler { namespace gig { Line 1238  namespace LinuxSampler { namespace gig {
1238              RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();              RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
1239              for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key              for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
1240                  itVoice->Kill(itKillEvent);                  itVoice->Kill(itKillEvent);
1241                    --VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead
1242              }              }
1243          }          }
1244      }      }
# Line 1192  namespace LinuxSampler { namespace gig { Line 1295  namespace LinuxSampler { namespace gig {
1295      }      }
1296    
1297      String Engine::Version() {      String Engine::Version() {
1298          String s = "$Revision: 1.34 $";          String s = "$Revision: 1.46 $";
1299          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
1300      }      }
1301    
Legend:
Removed from v.475  
changed lines
  Added in v.668
  ViewVC Help
Powered by ViewVC