/[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 438 by persson, Wed Mar 9 22:12:15 2005 UTC revision 614 by persson, Mon Jun 6 16:54:20 2005 UTC
# Line 64  namespace LinuxSampler { namespace gig { Line 64  namespace LinuxSampler { namespace gig {
64              engines[pDevice] = pEngine;              engines[pDevice] = pEngine;
65          }          }
66          // register engine channel to the engine instance          // register engine channel to the engine instance
67          pEngine->engineChannels.push_back(pChannel);          pEngine->engineChannels.add(pChannel);
68            // remember index in the ArrayList
69            pChannel->iEngineIndexSelf = pEngine->engineChannels.size() - 1;
70          dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size()));          dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size()));
71          return pEngine;          return pEngine;
72      }      }
# Line 94  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          pEvents            = new RTList<Event>(pEventPool);          pGlobalEvents      = new RTList<Event>(pEventPool);
         pCCEvents          = new RTList<Event>(pEventPool);  
   
         for (uint i = 0; i < Event::destination_count; i++) {  
             pSynthesisEvents[i] = 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()) {
113              iterVoice->SetEngine(this);              iterVoice->SetEngine(this);
114          }          }
# Line 121  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 128  namespace LinuxSampler { namespace gig { Line 131  namespace LinuxSampler { namespace gig {
131              delete pDiskThread;              delete pDiskThread;
132              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
133          }          }
         for (uint i = 0; i < Event::destination_count; i++) {  
             if (pSynthesisEvents[i]) delete pSynthesisEvents[i];  
         }  
         if (pEvents)     delete pEvents;  
         if (pCCEvents)   delete pCCEvents;  
134          if (pEventQueue) delete pEventQueue;          if (pEventQueue) delete pEventQueue;
135          if (pEventPool)  delete pEventPool;          if (pEventPool)  delete pEventPool;
136          if (pVoicePool) {          if (pVoicePool) {
# Line 186  namespace LinuxSampler { namespace gig { Line 184  namespace LinuxSampler { namespace gig {
184    
185          // reset voice stealing parameters          // reset voice stealing parameters
186          pVoiceStealingQueue->clear();          pVoiceStealingQueue->clear();
187            itLastStolenVoice  = RTList<Voice>::Iterator();
188            iuiLastStolenKey   = RTList<uint>::Iterator();
189            pLastStolenChannel = NULL;
190    
191          // reset to normal chromatic scale (means equal temper)          // reset to normal chromatic scale (means equal temper)
192          memset(&ScaleTuning[0], 0x00, 12);          memset(&ScaleTuning[0], 0x00, 12);
# Line 203  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 217  namespace LinuxSampler { namespace gig { Line 227  namespace LinuxSampler { namespace gig {
227              throw LinuxSamplerException(msg);              throw LinuxSamplerException(msg);
228          }          }
229    
230          this->MaxSamplesPerCycle      = pAudioOutputDevice->MaxSamplesPerCycle();          this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle();
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 232  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 277  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          pEvents->clear();          pGlobalEvents->clear();
         pCCEvents->clear();  
         for (uint i = 0; i < Event::destination_count; i++) {  
             pSynthesisEvents[i]->clear();  
         }  
295      }      }
296    
297      /**      /**
298       * Copy all events from the given input queue buffer to the engine's       * Copy all events from the engine's global input queue buffer to the
299       * internal event list. This will be done at the beginning of each audio       * engine's internal event list. This will be done at the beginning of
300       * cycle (that is each RenderAudio() call) to get all events which have       * each audio cycle (that is each RenderAudio() call) to distinguish
301       * to be processed in the current audio cycle. Each EngineChannel has       * all global events which have to be processed in the current audio
302       * it's own input event queue for the common channel specific events       * cycle. These events are usually just SysEx messages. Every
303       * (like NoteOn, NoteOff and ControlChange events). Beside that, the       * EngineChannel has it's own input event queue buffer and event list
304       * engine also has a input event queue for global events (usually SysEx       * to handle common events like NoteOn, NoteOff and ControlChange
305       * message).       * events.
306       *       *
307       * @param pEventQueue - input event buffer to read from       * @param Samples - number of sample points to be processed in the
308       * @param Samples     - number of sample points to be processed in the       *                  current audio cycle
      *                      current audio cycle  
309       */       */
310      void Engine::ImportEvents(RingBuffer<Event>* pEventQueue, uint Samples) {      void Engine::ImportEvents(uint Samples) {
311          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
312          Event* pEvent;          Event* pEvent;
313          while (true) {          while (true) {
# Line 313  namespace LinuxSampler { namespace gig { Line 321  namespace LinuxSampler { namespace gig {
321                  break;                  break;
322              }              }
323              // copy event to internal event list              // copy event to internal event list
324              if (pEvents->poolIsEmpty()) {              if (pGlobalEvents->poolIsEmpty()) {
325                  dmsg(1,("Event pool emtpy!\n"));                  dmsg(1,("Event pool emtpy!\n"));
326                  break;                  break;
327              }              }
328              *pEvents->allocAppend() = *pEvent;              *pGlobalEvents->allocAppend() = *pEvent;
329          }          }
330          eventQueueReader.free(); // free all copied events from input queue          eventQueueReader.free(); // free all copied events from input queue
331      }      }
# Line 344  namespace LinuxSampler { namespace gig { Line 352  namespace LinuxSampler { namespace gig {
352          // 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)
353          pEventGenerator->UpdateFragmentTime(Samples);          pEventGenerator->UpdateFragmentTime(Samples);
354    
         // empty the engine's event lists for the new fragment  
         ClearEventLists();  
   
355          // 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
356          // (these are usually just SysEx messages)          // (these are usually just SysEx messages)
357          ImportEvents(this->pEventQueue, Samples);          ImportEvents(Samples);
358    
359          // process engine global events (these are currently only MIDI System Exclusive messages)          // process engine global events (these are currently only MIDI System Exclusive messages)
360          {          {
361              RTList<Event>::Iterator itEvent = pEvents->first();              RTList<Event>::Iterator itEvent = pGlobalEvents->first();
362              RTList<Event>::Iterator end     = pEvents->end();              RTList<Event>::Iterator end     = pGlobalEvents->end();
363              for (; itEvent != end; ++itEvent) {              for (; itEvent != end; ++itEvent) {
364                  switch (itEvent->Type) {                  switch (itEvent->Type) {
365                      case Event::type_sysex:                      case Event::type_sysex:
# Line 365  namespace LinuxSampler { namespace gig { Line 370  namespace LinuxSampler { namespace gig {
370              }              }
371          }          }
372    
373            // We only allow a maximum of CONFIG_MAX_VOICES voices to be stolen
374            // in each audio fragment. All subsequent request for spawning new
375            // voices in the same audio fragment will be ignored.
376            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;
380    
381          // render audio for all engine channels  
382          // TODO: should we make voice stealing engine globally? unfortunately this would mean other disadvantages so I left voice stealing in the engine channel space for now          // handle events on all engine channels
383          {          for (int i = 0; i < engineChannels.size(); i++) {
384              std::list<EngineChannel*>::iterator itChannel = engineChannels.begin();              if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
385              std::list<EngineChannel*>::iterator end       = engineChannels.end();              ProcessEvents(engineChannels[i], Samples);
386              for (; itChannel != end; itChannel++) {          }
387                  if (!(*itChannel)->pInstrument) continue; // ignore if no instrument loaded  
388                  RenderAudio(*itChannel, Samples);          // render all 'normal', active voices on all engine channels
389              }          for (int i = 0; i < engineChannels.size(); i++) {
390                if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
391                RenderActiveVoices(engineChannels[i], Samples);
392          }          }
393    
394            // now that all ordinary voices on ALL engine channels are rendered, render new stolen voices
395            RenderStolenVoices(Samples);
396    
397            // handle cleanup on all engine channels for the next audio fragment
398            for (int i = 0; i < engineChannels.size(); i++) {
399                if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
400                PostProcess(engineChannels[i]);
401            }
402    
403    
404            // empty the engine's event list for the next audio fragment
405            ClearEventLists();
406    
407            // reset voice stealing for the next audio fragment
408            pVoiceStealingQueue->clear();
409            itLastStolenVoice  = RTList<Voice>::Iterator();
410            iuiLastStolenKey   = RTList<uint>::Iterator();
411            pLastStolenChannel = NULL;
412    
413          // just some statistics about this engine instance          // just some statistics about this engine instance
414          ActiveVoiceCount = ActiveVoiceCountTemp;          ActiveVoiceCount = ActiveVoiceCountTemp;
415          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;
# Line 386  namespace LinuxSampler { namespace gig { Line 417  namespace LinuxSampler { namespace gig {
417          return 0;          return 0;
418      }      }
419    
420      void Engine::RenderAudio(EngineChannel* pEngineChannel, uint Samples) {      /**
421          // empty the engine's event lists for the new fragment       * Dispatch and handle all events in this audio fragment for the given
422          ClearEventLists();       * engine channel.
423          // empty the engine channel's, MIDI key specific event lists       *
424          {       * @param pEngineChannel - engine channel on which events should be
425              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();       *                         processed
426              RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();       * @param Samples        - amount of sample points to be processed in
427              for(; iuiKey != end; ++iuiKey) {       *                         this audio fragment cycle
428                  pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key       */
429              }      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.)
432          ImportEvents(pEngineChannel->pEventQueue, Samples);          pEngineChannel->ImportEvents(Samples);
   
433    
434          // process events          // process events
435          {          {
436              RTList<Event>::Iterator itEvent = pEvents->first();              RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first();
437              RTList<Event>::Iterator end     = pEvents->end();              RTList<Event>::Iterator end     = pEngineChannel->pEvents->end();
438              for (; itEvent != end; ++itEvent) {              for (; itEvent != end; ++itEvent) {
439                  switch (itEvent->Type) {                  switch (itEvent->Type) {
440                      case Event::type_note_on:                      case Event::type_note_on:
# Line 429  namespace LinuxSampler { namespace gig { Line 456  namespace LinuxSampler { namespace gig {
456                  }                  }
457              }              }
458          }          }
459        }
460    
461        /**
462          // render audio from all active voices       * Render all 'normal' voices (that is voices which were not stolen in
463          {       * this fragment) on the given engine channel.
464              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();       *
465              RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();       * @param pEngineChannel - engine channel on which audio should be
466              while (iuiKey != end) { // iterate through all active keys       *                         rendered
467                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];       * @param Samples        - amount of sample points to be rendered in
468                  ++iuiKey;       *                         this audio fragment cycle
469         */
470                  RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
471                  RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
472                  for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
473                      // now render current voice          while (iuiKey != end) { // iterate through all active keys
474                      itVoice->Render(Samples);              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
475                      if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active              ++iuiKey;
476                      else { // voice reached end, is now inactive  
477                          FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices              RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
478                      }              RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
479                for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
480                    // now render current voice
481                    itVoice->Render(Samples);
482                    if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active
483                    else { // voice reached end, is now inactive
484                        FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices
485                  }                  }
486              }              }
487          }          }
488        }
489    
490        /**
491          // now render all postponed voices from voice stealing       * Render all stolen voices (only voices which were stolen in this
492          {       * fragment) on the given engine channel. Stolen voices are rendered
493              RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();       * after all normal voices have been rendered; this is needed to render
494              RTList<Event>::Iterator end               = pVoiceStealingQueue->end();       * audio of those voices which were selected for voice stealing until
495              for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {       * the point were the stealing (that is the take over of the voice)
496                  Pool<Voice>::Iterator itNewVoice =       * actually happened.
497                      LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);       *
498                  if (itNewVoice) {       * @param pEngineChannel - engine channel on which audio should be
499                      for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) {       *                         rendered
500                          itNewVoice->Render(Samples);       * @param Samples        - amount of sample points to be rendered in
501                          if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active       *                         this audio fragment cycle
502                          else { // voice reached end, is now inactive       */
503                              FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices      void Engine::RenderStolenVoices(uint Samples) {
504                          }          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();
505                      }          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();
506            for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
507                EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
508                Pool<Voice>::Iterator itNewVoice =
509                    LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);
510                if (itNewVoice) {
511                    itNewVoice->Render(Samples);
512                    if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active
513                    else { // voice reached end, is now inactive
514                        FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices
515                  }                  }
                 else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));  
516              }              }
517          }              else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));
         // reset voice stealing for the new fragment  
         pVoiceStealingQueue->clear();  
         pEngineChannel->itLastStolenVoice = RTList<Voice>::Iterator();  
         pEngineChannel->iuiLastStolenKey  = RTList<uint>::Iterator();  
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) {
534          // free all keys which have no active voices left          // free all keys which have no active voices left
535          {          {
536              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
# Line 486  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 496  namespace LinuxSampler { namespace gig { Line 549  namespace LinuxSampler { namespace gig {
549                          }                          }
550                      }                      }
551                  }                  }
552                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
553              }              }
554          }          }
555    
556            // empty the engine channel's own event lists
557            pEngineChannel->ClearEventLists();
558      }      }
559    
560      /**      /**
# Line 528  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 568  namespace LinuxSampler { namespace gig { Line 624  namespace LinuxSampler { namespace gig {
624          // move note on event to the key's own event list          // move note on event to the key's own event list
625          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
626    
627          // allocate and trigger a new voice for the key          // allocate and trigger new voice(s) for the key
628          LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true);          {
629                // first, get total amount of required voices (dependant on amount of layers)
630                ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key);
631                if (pRegion) {
632                    int voicesRequired = pRegion->Layers;
633                    // now launch the required amount of voices
634                    for (int i = 0; i < voicesRequired; i++)
635                        LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true);
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      }      }
# Line 591  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 && itNoteOffEventOnKeyList->Param.Note.Velocity) {
669              LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                  // first, get total amount of required voices (dependant on amount of layers)
670              pKey->ReleaseTrigger = false;                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
671                    if (pRegion) {
672                        int voicesRequired = pRegion->Layers;
673                        // now launch the required amount of voices
674                        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
676                    }
677                    pKey->ReleaseTrigger = false;
678                }
679    
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 612  namespace LinuxSampler { namespace gig { Line 692  namespace LinuxSampler { namespace gig {
692       */       */
693      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
694          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
695          itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]);          itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]);
696      }      }
697    
698      /**      /**
# Line 671  namespace LinuxSampler { namespace gig { Line 751  namespace LinuxSampler { namespace gig {
751              }              }
752          }          }
753          else if (VoiceStealing) {          else if (VoiceStealing) {
754              // first, get total amount of required voices (dependant on amount of layers)              // try to steal one voice
755              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key);              int result = StealVoice(pEngineChannel, itNoteOnEvent);
756              if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed              if (!result) { // voice stolen successfully
757              int voicesRequired = pRegion->Layers;                  // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
758                    RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();
759              // now steal the (remaining) amount of voices                  if (itStealEvent) {
760              for (int i = iLayer; i < voicesRequired; i++)                      *itStealEvent = *itNoteOnEvent; // copy event
761                  StealVoice(pEngineChannel, itNoteOnEvent);                      itStealEvent->Param.Note.Layer = iLayer;
762                        itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
763              // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died                      pKey->VoiceTheftsQueued++;
764              RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();                  }
765              if (itStealEvent) {                  else dmsg(1,("Voice stealing queue full!\n"));
                 *itStealEvent = *itNoteOnEvent; // copy event  
                 itStealEvent->Param.Note.Layer = iLayer;  
                 itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;  
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 701  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) {
784                dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n"));
785                return -1;
786            }
787          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
788    
789              RTList<uint>::Iterator  iuiOldestKey;              RTList<Voice>::Iterator itSelectedVoice;
             RTList<Voice>::Iterator itOldestVoice;  
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_keymask: {                  case voice_steal_algo_oldestvoiceonkey: {
799                      midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
800                      if (pEngineChannel->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
801                          itOldestVoice = pEngineChannel->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
802                          ++itOldestVoice;                      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;
                         itOldestVoice = pOldestKey->pActiveVoices->first();  
                     }  
                     if (itOldestVoice) {  
                         iuiOldestKey = pOldestKey->itSelf;  
                         break; // selection succeeded  
                     }  
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                  // (caution: must stay after 'keymask' algorithm !)                  // from the same engine channel
809                    // (caution: must stay after 'oldestvoiceonkey' algorithm !)
810                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
811                      if (pEngineChannel->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
812                          midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*pEngineChannel->iuiLastStolenKey];                          itSelectedVoice = this->itLastStolenVoice;
813                          itOldestVoice = pEngineChannel->itLastStolenVoice;                          ++itSelectedVoice;
814                          ++itOldestVoice;                          if (itSelectedVoice) break; // selection succeeded
815                          if (!itOldestVoice) {                          RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey;
816                              iuiOldestKey = pEngineChannel->iuiLastStolenKey;                          ++iuiSelectedKey;
817                              ++iuiOldestKey;                          if (iuiSelectedKey) {
818                              if (iuiOldestKey) {                              this->iuiLastStolenKey = iuiSelectedKey;
819                                  midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey];                              midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];
820                                  itOldestVoice = pOldestKey->pActiveVoices->first();                              itSelectedVoice = pSelectedKey->pActiveVoices->first();
821                              }                              break; // selection succeeded
                             else {  
                                 dmsg(1,("gig::Engine: Warning, too less voices, even for voice stealing! - Better recompile with higher MAX_AUDIO_VOICES.\n"));  
                                 return;  
                             }  
822                          }                          }
                         else iuiOldestKey = pEngineChannel->iuiLastStolenKey;  
                     }  
                     else { // no voice stolen in this audio fragment cycle yet  
                         iuiOldestKey = pEngineChannel->pActiveKeys->first();  
                         midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey];  
                         itOldestVoice = pOldestKey->pActiveVoices->first();  
823                      }                      }
824                      break;                      break;
825                  }                  }
# Line 763  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              //FIXME: can be removed, just a sanity check for debugging              // if we couldn't steal a voice from the same engine channel then
836              if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));              // steal oldest voice on the oldest key from any other engine channel
837                if (!itSelectedVoice) {
838                    EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;
839                    int iChannelIndex = pSelectedChannel->iEngineIndexSelf;
840                    while (true) {
841                        RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first();
842                        if (iuiSelectedKey) {
843                            midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];
844                            itSelectedVoice    = pSelectedKey->pActiveVoices->first();
845                            iuiLastStolenKey   = iuiSelectedKey;
846                            pLastStolenChannel = pSelectedChannel;
847                            break; // selection succeeded
848                        }
849                        iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();
850                        pSelectedChannel =  engineChannels[iChannelIndex];
851                    }
852                }
853    
854                #if CONFIG_DEVMODE
855                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              itOldestVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
863              // remember which voice on which key we stole, so we can simply proceed for the next voice stealing  
864              pEngineChannel->itLastStolenVoice = itOldestVoice;              // remember which voice we stole, so we can simply proceed for the next voice stealing
865              pEngineChannel->iuiLastStolenKey = iuiOldestKey;              itLastStolenVoice = itSelectedVoice;
866    
867                --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 835  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(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 913  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 925  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 982  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 1025  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 1033  namespace LinuxSampler { namespace gig { Line 1195  namespace LinuxSampler { namespace gig {
1195      }      }
1196    
1197      String Engine::Version() {      String Engine::Version() {
1198          String s = "$Revision: 1.30 $";          String s = "$Revision: 1.39 $";
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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