/[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 466 by schoenebeck, Tue Mar 15 19:27:01 2005 UTC revision 563 by schoenebeck, Sun May 22 20:43:32 2005 UTC
# Line 96  namespace LinuxSampler { namespace gig { Line 96  namespace LinuxSampler { namespace gig {
96          else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size()));          else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size()));
97      }      }
98    
99        /**
100         * Constructor
101         */
102      Engine::Engine() {      Engine::Engine() {
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 118  namespace LinuxSampler { namespace gig { Line 121  namespace LinuxSampler { namespace gig {
121          ResetInternal();          ResetInternal();
122      }      }
123    
124        /**
125         * Destructor
126         */
127      Engine::~Engine() {      Engine::~Engine() {
128          if (pDiskThread) {          if (pDiskThread) {
129              dmsg(1,("Stopping disk thread..."));              dmsg(1,("Stopping disk thread..."));
# Line 198  namespace LinuxSampler { namespace gig { Line 204  namespace LinuxSampler { namespace gig {
204          pEventQueue->init();          pEventQueue->init();
205      }      }
206    
207        /**
208         * Connect this engine instance with the given audio output device.
209         * This method will be called when an Engine instance is created.
210         * All of the engine's data structures which are dependant to the used
211         * audio output device / driver will be (re)allocated and / or
212         * adjusted appropriately.
213         *
214         * @param pAudioOut - audio output device to connect to
215         */
216      void Engine::Connect(AudioOutputDevice* pAudioOut) {      void Engine::Connect(AudioOutputDevice* pAudioOut) {
217          pAudioOutputDevice = pAudioOut;          pAudioOutputDevice = pAudioOut;
218    
# Line 216  namespace LinuxSampler { namespace gig { Line 231  namespace LinuxSampler { namespace gig {
231          this->SampleRate         = pAudioOutputDevice->SampleRate();          this->SampleRate         = pAudioOutputDevice->SampleRate();
232    
233          // FIXME: audio drivers with varying fragment sizes might be a problem here          // FIXME: audio drivers with varying fragment sizes might be a problem here
234          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1;          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;
235          if (MaxFadeOutPos < 0)          if (MaxFadeOutPos < 0)
236              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!");
237    
238          // (re)create disk thread          // (re)create disk thread
239          if (this->pDiskThread) {          if (this->pDiskThread) {
# Line 227  namespace LinuxSampler { namespace gig { Line 242  namespace LinuxSampler { namespace gig {
242              delete this->pDiskThread;              delete this->pDiskThread;
243              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
244          }          }
245          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
246          if (!pDiskThread) {          if (!pDiskThread) {
247              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
248              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 272  namespace LinuxSampler { namespace gig { Line 287  namespace LinuxSampler { namespace gig {
287          }          }
288      }      }
289    
290        /**
291         * Clear all engine global event lists.
292         */
293      void Engine::ClearEventLists() {      void Engine::ClearEventLists() {
294          pGlobalEvents->clear();          pGlobalEvents->clear();
295      }      }
# Line 352  namespace LinuxSampler { namespace gig { Line 370  namespace LinuxSampler { namespace gig {
370              }              }
371          }          }
372    
373          // We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen          // We only allow a maximum of CONFIG_MAX_VOICES voices to be stolen
374          // in each audio fragment. All subsequent request for spawning new          // in each audio fragment. All subsequent request for spawning new
375          // voices in the same audio fragment will be ignored.          // voices in the same audio fragment will be ignored.
376          VoiceTheftsLeft = MAX_AUDIO_VOICES;          VoiceTheftsLeft = CONFIG_MAX_VOICES;
377    
378          // reset internal voice counter (just for statistic of active voices)          // reset internal voice counter (just for statistic of active voices)
379          ActiveVoiceCountTemp = 0;          ActiveVoiceCountTemp = 0;
# Line 399  namespace LinuxSampler { namespace gig { Line 417  namespace LinuxSampler { namespace gig {
417          return 0;          return 0;
418      }      }
419    
420        /**
421         * Dispatch and handle all events in this audio fragment for the given
422         * engine channel.
423         *
424         * @param pEngineChannel - engine channel on which events should be
425         *                         processed
426         * @param Samples        - amount of sample points to be processed in
427         *                         this audio fragment cycle
428         */
429      void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) {      void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) {
430          // get all events from the engine channels's input event queue which belong to the current fragment          // get all events from the engine channels's input event queue which belong to the current fragment
431          // (these are the common events like NoteOn, NoteOff, ControlChange, etc.)          // (these are the common events like NoteOn, NoteOff, ControlChange, etc.)
# Line 431  namespace LinuxSampler { namespace gig { Line 458  namespace LinuxSampler { namespace gig {
458          }          }
459      }      }
460    
461        /**
462         * Render all 'normal' voices (that is voices which were not stolen in
463         * this fragment) on the given engine channel.
464         *
465         * @param pEngineChannel - engine channel on which audio should be
466         *                         rendered
467         * @param Samples        - amount of sample points to be rendered in
468         *                         this audio fragment cycle
469         */
470      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
471          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
472          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
# Line 451  namespace LinuxSampler { namespace gig { Line 487  namespace LinuxSampler { namespace gig {
487          }          }
488      }      }
489    
490        /**
491         * Render all stolen voices (only voices which were stolen in this
492         * fragment) on the given engine channel. Stolen voices are rendered
493         * after all normal voices have been rendered; this is needed to render
494         * audio of those voices which were selected for voice stealing until
495         * the point were the stealing (that is the take over of the voice)
496         * actually happened.
497         *
498         * @param pEngineChannel - engine channel on which audio should be
499         *                         rendered
500         * @param Samples        - amount of sample points to be rendered in
501         *                         this audio fragment cycle
502         */
503      void Engine::RenderStolenVoices(uint Samples) {      void Engine::RenderStolenVoices(uint Samples) {
504          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();
505          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();
# Line 466  namespace LinuxSampler { namespace gig { Line 515  namespace LinuxSampler { namespace gig {
515                  }                  }
516              }              }
517              else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));              else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));
518    
519                // we need to clear the key's event list explicitly here in case key was never active
520                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key];
521                pKey->VoiceTheftsQueued--;
522                if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear();
523          }          }
524      }      }
525    
526        /**
527         * Free all keys which have turned inactive in this audio fragment, from
528         * the list of active keys and clear all event lists on that engine
529         * channel.
530         *
531         * @param pEngineChannel - engine channel to cleanup
532         */
533      void Engine::PostProcess(EngineChannel* pEngineChannel) {      void Engine::PostProcess(EngineChannel* pEngineChannel) {
534          // free all keys which have no active voices left          // free all keys which have no active voices left
535          {          {
# Line 478  namespace LinuxSampler { namespace gig { Line 539  namespace LinuxSampler { namespace gig {
539                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
540                  ++iuiKey;                  ++iuiKey;
541                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);
542                  #if DEVMODE                  #if CONFIG_DEVMODE
543                  else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)                  else { // just a sanity check for debugging
544                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
545                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
546                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
# Line 488  namespace LinuxSampler { namespace gig { Line 549  namespace LinuxSampler { namespace gig {
549                          }                          }
550                      }                      }
551                  }                  }
552                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
553              }              }
554          }          }
555    
# Line 523  namespace LinuxSampler { namespace gig { Line 584  namespace LinuxSampler { namespace gig {
584                  // finally place sysex event into input event queue                  // finally place sysex event into input event queue
585                  pEventQueue->push(&event);                  pEventQueue->push(&event);
586              }              }
587              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));
588          }          }
589          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
590      }      }
# Line 575  namespace LinuxSampler { namespace gig { Line 636  namespace LinuxSampler { namespace gig {
636              }              }
637          }          }
638    
639            // if neither a voice was spawned or postponed then remove note on event from key again
640            if (!pKey->Active && !pKey->VoiceTheftsQueued)
641                pKey->pEvents->free(itNoteOnEventOnKeyList);
642    
643          pKey->RoundRobinIndex++;          pKey->RoundRobinIndex++;
644      }      }
645    
# Line 595  namespace LinuxSampler { namespace gig { Line 660  namespace LinuxSampler { namespace gig {
660          // release voices on this key if needed          // release voices on this key if needed
661          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
662              itNoteOffEvent->Type = Event::type_release; // transform event type              itNoteOffEvent->Type = Event::type_release; // transform event type
         }  
663    
664          // move event to the key's own event list              // move event to the key's own event list
665          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);              RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
666    
667          // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
668          if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger) {
669              // first, get total amount of required voices (dependant on amount of layers)                  // first, get total amount of required voices (dependant on amount of layers)
670              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
671              if (pRegion) {                  if (pRegion) {
672                  int voicesRequired = pRegion->Layers;                      int voicesRequired = pRegion->Layers;
673                  // now launch the required amount of voices                      // now launch the required amount of voices
674                  for (int i = 0; i < voicesRequired; i++)                      for (int i = 0; i < voicesRequired; i++)
675                      LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                          LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
676                    }
677                    pKey->ReleaseTrigger = false;
678              }              }
679              pKey->ReleaseTrigger = false;  
680                // if neither a voice was spawned or postponed then remove note off event from key again
681                if (!pKey->Active && !pKey->VoiceTheftsQueued)
682                    pKey->pEvents->free(itNoteOffEventOnKeyList);
683          }          }
684      }      }
685    
# Line 682  namespace LinuxSampler { namespace gig { Line 751  namespace LinuxSampler { namespace gig {
751              }              }
752          }          }
753          else if (VoiceStealing) {          else if (VoiceStealing) {
   
754              // try to steal one voice              // try to steal one voice
755              StealVoice(pEngineChannel, itNoteOnEvent);              int result = StealVoice(pEngineChannel, itNoteOnEvent);
756                if (!result) { // voice stolen successfully
757              // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died                  // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
758              RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();                  RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();
759              if (itStealEvent) {                  if (itStealEvent) {
760                  *itStealEvent = *itNoteOnEvent; // copy event                      *itStealEvent = *itNoteOnEvent; // copy event
761                  itStealEvent->Param.Note.Layer = iLayer;                      itStealEvent->Param.Note.Layer = iLayer;
762                  itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;                      itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
763                        pKey->VoiceTheftsQueued++;
764                    }
765                    else dmsg(1,("Voice stealing queue full!\n"));
766              }              }
             else dmsg(1,("Voice stealing queue full!\n"));  
767          }          }
768    
769          return Pool<Voice>::Iterator(); // no free voice or error          return Pool<Voice>::Iterator(); // no free voice or error
# Line 707  namespace LinuxSampler { namespace gig { Line 777  namespace LinuxSampler { namespace gig {
777       *       *
778       *  @param pEngineChannel - engine channel on which this event occured on       *  @param pEngineChannel - engine channel on which this event occured on
779       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
780         *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing
781       */       */
782      void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
783          if (!VoiceTheftsLeft) {          if (!VoiceTheftsLeft) {
784              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"));
785              return;              return -1;
786          }          }
787          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
788    
789              RTList<Voice>::Iterator itSelectedVoice;              RTList<Voice>::Iterator itSelectedVoice;
790    
791              // Select one voice for voice stealing              // Select one voice for voice stealing
792              switch (VOICE_STEAL_ALGORITHM) {              switch (CONFIG_VOICE_STEAL_ALGO) {
793    
794                  // try to pick the oldest voice on the key where the new                  // try to pick the oldest voice on the key where the new
795                  // voice should be spawned, if there is no voice on that                  // voice should be spawned, if there is no voice on that
796                  // key, or no voice left to kill there, then procceed with                  // key, or no voice left to kill, then procceed with
797                  // 'oldestkey' algorithm                  // 'oldestkey' algorithm
798                  case voice_steal_algo_oldestvoiceonkey: {                  case voice_steal_algo_oldestvoiceonkey: {
                 #if 0 // FIXME: broken  
799                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
800                      if (this->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
801                          itSelectedVoice = this->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
802                          ++itSelectedVoice;                      while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice;
803                      }                      // if we haven't found a voice then proceed with algorithm 'oldestkey'
804                      else { // no voice stolen in this audio fragment cycle yet                      if (itSelectedVoice && itSelectedVoice->hasRendered()) break;
                         itSelectedVoice = pSelectedKey->pActiveVoices->first();  
                     }  
                     if (itSelectedVoice) {  
                         iuiSelectedKey = pSelectedKey->itSelf;  
                         break; // selection succeeded  
                     }  
                 #endif  
805                  } // no break - intentional !                  } // no break - intentional !
806    
807                  // try to pick the oldest voice on the oldest active key                  // try to pick the oldest voice on the oldest active key
808                    // from the same engine channel
809                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)
810                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
811                      if (this->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
# Line 764  namespace LinuxSampler { namespace gig { Line 828  namespace LinuxSampler { namespace gig {
828                  case voice_steal_algo_none:                  case voice_steal_algo_none:
829                  default: {                  default: {
830                      dmsg(1,("No free voice (voice stealing disabled)!\n"));                      dmsg(1,("No free voice (voice stealing disabled)!\n"));
831                      return;                      return -1;
832                  }                  }
833              }              }
834    
835              // 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
836                // steal oldest voice on the oldest key from any other engine channel
837              if (!itSelectedVoice) {              if (!itSelectedVoice) {
838                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;
839                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;
# Line 786  namespace LinuxSampler { namespace gig { Line 851  namespace LinuxSampler { namespace gig {
851                  }                  }
852              }              }
853    
854              //FIXME: can be removed, just a sanity check for debugging              #if CONFIG_DEVMODE
855              if (!itSelectedVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));              if (!itSelectedVoice->IsActive()) {
856                    dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
857                    return -1;
858                }
859                #endif // CONFIG_DEVMODE
860    
861              // now kill the selected voice              // now kill the selected voice
862              itSelectedVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
# Line 796  namespace LinuxSampler { namespace gig { Line 865  namespace LinuxSampler { namespace gig {
865              itLastStolenVoice = itSelectedVoice;              itLastStolenVoice = itSelectedVoice;
866    
867              --VoiceTheftsLeft;              --VoiceTheftsLeft;
868    
869                return 0; // success
870            }
871            else {
872                dmsg(1,("Event pool emtpy!\n"));
873                return -1;
874          }          }
         else dmsg(1,("Event pool emtpy!\n"));  
875      }      }
876    
877      /**      /**
# Line 856  namespace LinuxSampler { namespace gig { Line 930  namespace LinuxSampler { namespace gig {
930      void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) {      void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) {
931          dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value));          dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value));
932    
933          switch (itControlChangeEvent->Param.CC.Controller) {          // update controller value in the engine channel's controller table
934            pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
935    
936            // move event from the unsorted event list to the control change event list
937            Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);
938    
939            switch (itControlChangeEventOnCCList->Param.CC.Controller) {
940              case 7: { // volume              case 7: { // volume
941                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
942                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;
943                  break;                  break;
944              }              }
945              case 10: { // panpot              case 10: { // panpot
946                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
947                  const int pan = (int) itControlChangeEvent->Param.CC.Value - 64;                  const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;
948                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;
949                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;
950                  break;                  break;
951              }              }
952              case 64: { // sustain              case 64: { // sustain
953                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {                  if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {
954                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("PEDAL DOWN\n"));
955                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
956    
957                      // cancel release process of voices if necessary                      // cancel release process of voices if necessary
958                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
959                      if (iuiKey) {                      for (; iuiKey; ++iuiKey) {
960                          itControlChangeEvent->Type = Event::type_cancel_release; // transform event type                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
961                          while (iuiKey) {                          if (!pKey->KeyPressed) {
962                              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
963                              ++iuiKey;                              if (itNewEvent) {
964                              if (!pKey->KeyPressed) {                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list
965                                  RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                                  itNewEvent->Type = Event::type_cancel_release; // transform event type
                                 if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list  
                                 else dmsg(1,("Event pool emtpy!\n"));  
966                              }                              }
967                                else dmsg(1,("Event pool emtpy!\n"));
968                          }                          }
969                      }                      }
970                  }                  }
971                  if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {                  if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {
972                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("PEDAL UP\n"));
973                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
974    
975                      // release voices if their respective key is not pressed                      // release voices if their respective key is not pressed
976                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
977                      if (iuiKey) {                      for (; iuiKey; ++iuiKey) {
978                          itControlChangeEvent->Type = Event::type_release; // transform event type                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
979                          while (iuiKey) {                          if (!pKey->KeyPressed) {
980                              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
981                              ++iuiKey;                              if (itNewEvent) {
982                              if (!pKey->KeyPressed) {                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list
983                                  RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                                  itNewEvent->Type = Event::type_release; // transform event type
                                 if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list  
                                 else dmsg(1,("Event pool emtpy!\n"));  
984                              }                              }
985                                else dmsg(1,("Event pool emtpy!\n"));
986                          }                          }
987                      }                      }
988                  }                  }
989                  break;                  break;
990              }              }
         }  
991    
         // update controller value in the engine's controller table  
         pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;  
992    
993          // move event from the unsorted event list to the control change event list              // Channel Mode Messages
994          itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);  
995                case 120: { // all sound off
996                    KillAllVoices(pEngineChannel, itControlChangeEventOnCCList);
997                    break;
998                }
999                case 121: { // reset all controllers
1000                    pEngineChannel->ResetControllers();
1001                    break;
1002                }
1003                case 123: { // all notes off
1004                    ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList);
1005                    break;
1006                }
1007            }
1008      }      }
1009    
1010      /**      /**
# Line 934  namespace LinuxSampler { namespace gig { Line 1022  namespace LinuxSampler { namespace gig {
1022    
1023          switch (id) {          switch (id) {
1024              case 0x41: { // Roland              case 0x41: { // Roland
1025                    dmsg(3,("Roland Sysex\n"));
1026                  uint8_t device_id, model_id, cmd_id;                  uint8_t device_id, model_id, cmd_id;
1027                  if (!reader.pop(&device_id)) goto free_sysex_data;                  if (!reader.pop(&device_id)) goto free_sysex_data;
1028                  if (!reader.pop(&model_id))  goto free_sysex_data;                  if (!reader.pop(&model_id))  goto free_sysex_data;
# Line 946  namespace LinuxSampler { namespace gig { Line 1035  namespace LinuxSampler { namespace gig {
1035                  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
1036                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1037                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1038                        dmsg(3,("\tSystem Parameter\n"));
1039                  }                  }
1040                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1041                        dmsg(3,("\tCommon Parameter\n"));
1042                  }                  }
1043                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
1044                      switch (addr[3]) {                      dmsg(3,("\tPart Parameter\n"));
1045                        switch (addr[2]) {
1046                          case 0x40: { // scale tuning                          case 0x40: { // scale tuning
1047                                dmsg(3,("\t\tScale Tuning\n"));
1048                              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
1049                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
1050                              uint8_t checksum;                              uint8_t checksum;
1051                              if (!reader.pop(&checksum))                      goto free_sysex_data;                              if (!reader.pop(&checksum)) goto free_sysex_data;
1052                              if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;                              #if CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1053                                if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data;
1054                                #endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1055                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
1056                              AdjustScale((int8_t*) scale_tunes);                              AdjustScale((int8_t*) scale_tunes);
1057                                dmsg(3,("\t\t\tNew scale applied.\n"));
1058                              break;                              break;
1059                          }                          }
1060                      }                      }
# Line 1003  namespace LinuxSampler { namespace gig { Line 1099  namespace LinuxSampler { namespace gig {
1099      }      }
1100    
1101      /**      /**
1102         * Releases all voices on an engine channel. All voices will go into
1103         * the release stage and thus it might take some time (e.g. dependant to
1104         * their envelope release time) until they actually die.
1105         *
1106         * @param pEngineChannel - engine channel on which all voices should be released
1107         * @param itReleaseEvent - event which caused this releasing of all voices
1108         */
1109        void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) {
1110            RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1111            while (iuiKey) {
1112                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1113                ++iuiKey;
1114                // append a 'release' event to the key's own event list
1115                RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1116                if (itNewEvent) {
1117                    *itNewEvent = *itReleaseEvent; // copy original event (to the key's event list)
1118                    itNewEvent->Type = Event::type_release; // transform event type
1119                }
1120                else dmsg(1,("Event pool emtpy!\n"));
1121            }
1122        }
1123    
1124        /**
1125         * Kills all voices on an engine channel as soon as possible. Voices
1126         * won't get into release state, their volume level will be ramped down
1127         * as fast as possible.
1128         *
1129         * @param pEngineChannel - engine channel on which all voices should be killed
1130         * @param itKillEvent    - event which caused this killing of all voices
1131         */
1132        void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) {
1133            RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1134            RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
1135            while (iuiKey != end) { // iterate through all active keys
1136                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1137                ++iuiKey;
1138                RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
1139                RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
1140                for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
1141                    itVoice->Kill(itKillEvent);
1142                }
1143            }
1144        }
1145    
1146        /**
1147       * Initialize the parameter sequence for the modulation destination given by       * Initialize the parameter sequence for the modulation destination given by
1148       * by 'dst' with the constant value given by val.       * by 'dst' with the constant value given by val.
1149       */       */
# Line 1046  namespace LinuxSampler { namespace gig { Line 1187  namespace LinuxSampler { namespace gig {
1187      }      }
1188    
1189      String Engine::EngineName() {      String Engine::EngineName() {
1190          return "GigEngine";          return LS_GIG_ENGINE_NAME;
1191      }      }
1192    
1193      String Engine::Description() {      String Engine::Description() {
# Line 1054  namespace LinuxSampler { namespace gig { Line 1195  namespace LinuxSampler { namespace gig {
1195      }      }
1196    
1197      String Engine::Version() {      String Engine::Version() {
1198          String s = "$Revision: 1.32 $";          String s = "$Revision: 1.38 $";
1199          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
1200      }      }
1201    
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