/[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 665 by schoenebeck, Sun Jun 19 15:11:20 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 119  namespace LinuxSampler { namespace gig { Line 119  namespace LinuxSampler { namespace gig {
119          pMainFilterParameters   = NULL;          pMainFilterParameters   = NULL;
120    
121          ResetInternal();          ResetInternal();
122            ResetScaleTuning();
123      }      }
124    
125        /**
126         * Destructor
127         */
128      Engine::~Engine() {      Engine::~Engine() {
129          if (pDiskThread) {          if (pDiskThread) {
130              dmsg(1,("Stopping disk thread..."));              dmsg(1,("Stopping disk thread..."));
# Line 128  namespace LinuxSampler { namespace gig { Line 132  namespace LinuxSampler { namespace gig {
132              delete pDiskThread;              delete pDiskThread;
133              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
134          }          }
         for (uint i = 0; i < Event::destination_count; i++) {  
             if (pSynthesisEvents[i]) delete pSynthesisEvents[i];  
         }  
         if (pEvents)     delete pEvents;  
         if (pCCEvents)   delete pCCEvents;  
135          if (pEventQueue) delete pEventQueue;          if (pEventQueue) delete pEventQueue;
136          if (pEventPool)  delete pEventPool;          if (pEventPool)  delete pEventPool;
137          if (pVoicePool) {          if (pVoicePool) {
# Line 173  namespace LinuxSampler { namespace gig { Line 172  namespace LinuxSampler { namespace gig {
172      void Engine::Reset() {      void Engine::Reset() {
173          DisableAndLock();          DisableAndLock();
174          ResetInternal();          ResetInternal();
175            ResetScaleTuning();
176          Enable();          Enable();
177      }      }
178    
# Line 186  namespace LinuxSampler { namespace gig { Line 186  namespace LinuxSampler { namespace gig {
186    
187          // reset voice stealing parameters          // reset voice stealing parameters
188          pVoiceStealingQueue->clear();          pVoiceStealingQueue->clear();
189            itLastStolenVoice          = RTList<Voice>::Iterator();
190          // reset to normal chromatic scale (means equal temper)          itLastStolenVoiceGlobally  = RTList<Voice>::Iterator();
191          memset(&ScaleTuning[0], 0x00, 12);          iuiLastStolenKey           = RTList<uint>::Iterator();
192            iuiLastStolenKeyGlobally   = RTList<uint>::Iterator();
193            pLastStolenChannel         = NULL;
194    
195          // reset all voices          // reset all voices
196          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
# Line 203  namespace LinuxSampler { namespace gig { Line 205  namespace LinuxSampler { namespace gig {
205          pEventQueue->init();          pEventQueue->init();
206      }      }
207    
208        /**
209         * Reset to normal, chromatic scale (means equal tempered).
210         */
211        void Engine::ResetScaleTuning() {
212            memset(&ScaleTuning[0], 0x00, 12);
213        }
214    
215        /**
216         * Connect this engine instance with the given audio output device.
217         * This method will be called when an Engine instance is created.
218         * All of the engine's data structures which are dependant to the used
219         * audio output device / driver will be (re)allocated and / or
220         * adjusted appropriately.
221         *
222         * @param pAudioOut - audio output device to connect to
223         */
224      void Engine::Connect(AudioOutputDevice* pAudioOut) {      void Engine::Connect(AudioOutputDevice* pAudioOut) {
225          pAudioOutputDevice = pAudioOut;          pAudioOutputDevice = pAudioOut;
226    
# Line 217  namespace LinuxSampler { namespace gig { Line 235  namespace LinuxSampler { namespace gig {
235              throw LinuxSamplerException(msg);              throw LinuxSamplerException(msg);
236          }          }
237    
238          this->MaxSamplesPerCycle      = pAudioOutputDevice->MaxSamplesPerCycle();          this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle();
239          this->SampleRate              = pAudioOutputDevice->SampleRate();          this->SampleRate         = pAudioOutputDevice->SampleRate();
240    
241          // FIXME: audio drivers with varying fragment sizes might be a problem here          // FIXME: audio drivers with varying fragment sizes might be a problem here
242          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1;          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;
243          if (MaxFadeOutPos < 0)          if (MaxFadeOutPos < 0)
244              throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!");              throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!");
245    
246          // (re)create disk thread          // (re)create disk thread
247          if (this->pDiskThread) {          if (this->pDiskThread) {
# Line 232  namespace LinuxSampler { namespace gig { Line 250  namespace LinuxSampler { namespace gig {
250              delete this->pDiskThread;              delete this->pDiskThread;
251              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
252          }          }
253          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo
254          if (!pDiskThread) {          if (!pDiskThread) {
255              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
256              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 277  namespace LinuxSampler { namespace gig { Line 295  namespace LinuxSampler { namespace gig {
295          }          }
296      }      }
297    
298        /**
299         * Clear all engine global event lists.
300         */
301      void Engine::ClearEventLists() {      void Engine::ClearEventLists() {
302          pEvents->clear();          pGlobalEvents->clear();
         pCCEvents->clear();  
         for (uint i = 0; i < Event::destination_count; i++) {  
             pSynthesisEvents[i]->clear();  
         }  
303      }      }
304    
305      /**      /**
306       * 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
307       * 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
308       * cycle (that is each RenderAudio() call) to get all events which have       * each audio cycle (that is each RenderAudio() call) to distinguish
309       * to be processed in the current audio cycle. Each EngineChannel has       * all global events which have to be processed in the current audio
310       * it's own input event queue for the common channel specific events       * cycle. These events are usually just SysEx messages. Every
311       * (like NoteOn, NoteOff and ControlChange events). Beside that, the       * EngineChannel has it's own input event queue buffer and event list
312       * engine also has a input event queue for global events (usually SysEx       * to handle common events like NoteOn, NoteOff and ControlChange
313       * message).       * events.
314       *       *
315       * @param pEventQueue - input event buffer to read from       * @param Samples - number of sample points to be processed in the
316       * @param Samples     - number of sample points to be processed in the       *                  current audio cycle
      *                      current audio cycle  
317       */       */
318      void Engine::ImportEvents(RingBuffer<Event>* pEventQueue, uint Samples) {      void Engine::ImportEvents(uint Samples) {
319          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
320          Event* pEvent;          Event* pEvent;
321          while (true) {          while (true) {
# Line 313  namespace LinuxSampler { namespace gig { Line 329  namespace LinuxSampler { namespace gig {
329                  break;                  break;
330              }              }
331              // copy event to internal event list              // copy event to internal event list
332              if (pEvents->poolIsEmpty()) {              if (pGlobalEvents->poolIsEmpty()) {
333                  dmsg(1,("Event pool emtpy!\n"));                  dmsg(1,("Event pool emtpy!\n"));
334                  break;                  break;
335              }              }
336              *pEvents->allocAppend() = *pEvent;              *pGlobalEvents->allocAppend() = *pEvent;
337          }          }
338          eventQueueReader.free(); // free all copied events from input queue          eventQueueReader.free(); // free all copied events from input queue
339      }      }
# Line 344  namespace LinuxSampler { namespace gig { Line 360  namespace LinuxSampler { namespace gig {
360          // update time of start and end of this audio fragment (as events' time stamps relate to this)          // update time of start and end of this audio fragment (as events' time stamps relate to this)
361          pEventGenerator->UpdateFragmentTime(Samples);          pEventGenerator->UpdateFragmentTime(Samples);
362    
363          // empty the engine's event lists for the new fragment          // We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned
364          ClearEventLists();          // in each audio fragment. All subsequent request for spawning new
365            // voices in the same audio fragment will be ignored.
366            VoiceSpawnsLeft = CONFIG_MAX_VOICES;
367    
368          // get all events from the engine's global input event queue which belong to the current fragment          // get all events from the engine's global input event queue which belong to the current fragment
369          // (these are usually just SysEx messages)          // (these are usually just SysEx messages)
370          ImportEvents(this->pEventQueue, Samples);          ImportEvents(Samples);
371    
372          // process engine global events (these are currently only MIDI System Exclusive messages)          // process engine global events (these are currently only MIDI System Exclusive messages)
373          {          {
374              RTList<Event>::Iterator itEvent = pEvents->first();              RTList<Event>::Iterator itEvent = pGlobalEvents->first();
375              RTList<Event>::Iterator end     = pEvents->end();              RTList<Event>::Iterator end     = pGlobalEvents->end();
376              for (; itEvent != end; ++itEvent) {              for (; itEvent != end; ++itEvent) {
377                  switch (itEvent->Type) {                  switch (itEvent->Type) {
378                      case Event::type_sysex:                      case Event::type_sysex:
# Line 368  namespace LinuxSampler { namespace gig { Line 386  namespace LinuxSampler { namespace gig {
386          // reset internal voice counter (just for statistic of active voices)          // reset internal voice counter (just for statistic of active voices)
387          ActiveVoiceCountTemp = 0;          ActiveVoiceCountTemp = 0;
388    
389          // render audio for all engine channels          // handle events on all engine channels
390          // 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          for (int i = 0; i < engineChannels.size(); i++) {
391          {              if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
392              std::list<EngineChannel*>::iterator itChannel = engineChannels.begin();              ProcessEvents(engineChannels[i], Samples);
             std::list<EngineChannel*>::iterator end       = engineChannels.end();  
             for (; itChannel != end; itChannel++) {  
                 if (!(*itChannel)->pInstrument) continue; // ignore if no instrument loaded  
                 RenderAudio(*itChannel, Samples);  
             }  
393          }          }
394    
395            // render all 'normal', active voices on all engine channels
396            for (int i = 0; i < engineChannels.size(); i++) {
397                if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
398                RenderActiveVoices(engineChannels[i], Samples);
399            }
400    
401            // now that all ordinary voices on ALL engine channels are rendered, render new stolen voices
402            RenderStolenVoices(Samples);
403    
404            // handle cleanup on all engine channels for the next audio fragment
405            for (int i = 0; i < engineChannels.size(); i++) {
406                if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
407                PostProcess(engineChannels[i]);
408            }
409    
410    
411            // empty the engine's event list for the next audio fragment
412            ClearEventLists();
413    
414            // reset voice stealing for the next audio fragment
415            pVoiceStealingQueue->clear();
416    
417          // just some statistics about this engine instance          // just some statistics about this engine instance
418          ActiveVoiceCount = ActiveVoiceCountTemp;          ActiveVoiceCount = ActiveVoiceCountTemp;
419          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;
420    
421            FrameTime += Samples;
422    
423          return 0;          return 0;
424      }      }
425    
426      void Engine::RenderAudio(EngineChannel* pEngineChannel, uint Samples) {      /**
427          // empty the engine's event lists for the new fragment       * Dispatch and handle all events in this audio fragment for the given
428          ClearEventLists();       * engine channel.
429          // empty the engine channel's, MIDI key specific event lists       *
430          {       * @param pEngineChannel - engine channel on which events should be
431              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();       *                         processed
432              RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();       * @param Samples        - amount of sample points to be processed in
433              for(; iuiKey != end; ++iuiKey) {       *                         this audio fragment cycle
434                  pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key       */
435              }      void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) {
         }  
   
   
436          // 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
437          // (these are the common events like NoteOn, NoteOff, ControlChange, etc.)          // (these are the common events like NoteOn, NoteOff, ControlChange, etc.)
438          ImportEvents(pEngineChannel->pEventQueue, Samples);          pEngineChannel->ImportEvents(Samples);
   
439    
440          // process events          // process events
441          {          {
442              RTList<Event>::Iterator itEvent = pEvents->first();              RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first();
443              RTList<Event>::Iterator end     = pEvents->end();              RTList<Event>::Iterator end     = pEngineChannel->pEvents->end();
444              for (; itEvent != end; ++itEvent) {              for (; itEvent != end; ++itEvent) {
445                  switch (itEvent->Type) {                  switch (itEvent->Type) {
446                      case Event::type_note_on:                      case Event::type_note_on:
# Line 430  namespace LinuxSampler { namespace gig { Line 463  namespace LinuxSampler { namespace gig {
463              }              }
464          }          }
465    
466            // reset voice stealing for the next engine channel (or next audio fragment)
467            itLastStolenVoice         = RTList<Voice>::Iterator();
468            itLastStolenVoiceGlobally = RTList<Voice>::Iterator();
469            iuiLastStolenKey          = RTList<uint>::Iterator();
470            iuiLastStolenKeyGlobally  = RTList<uint>::Iterator();
471            pLastStolenChannel        = NULL;
472        }
473    
474          // render audio from all active voices      /**
475          {       * Render all 'normal' voices (that is voices which were not stolen in
476              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();       * this fragment) on the given engine channel.
477              RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();       *
478              while (iuiKey != end) { // iterate through all active keys       * @param pEngineChannel - engine channel on which audio should be
479                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];       *                         rendered
480                  ++iuiKey;       * @param Samples        - amount of sample points to be rendered in
481         *                         this audio fragment cycle
482                  RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();       */
483                  RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
484                  for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
485                      // now render current voice          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
486                      itVoice->Render(Samples);          while (iuiKey != end) { // iterate through all active keys
487                      if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
488                      else { // voice reached end, is now inactive              ++iuiKey;
489                          FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices  
490                      }              RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
491                RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
492                for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
493                    // now render current voice
494                    itVoice->Render(Samples);
495                    if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active
496                    else { // voice reached end, is now inactive
497                        FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices
498                  }                  }
499              }              }
500          }          }
501        }
502    
503        /**
504          // now render all postponed voices from voice stealing       * Render all stolen voices (only voices which were stolen in this
505          {       * fragment) on the given engine channel. Stolen voices are rendered
506              RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();       * after all normal voices have been rendered; this is needed to render
507              RTList<Event>::Iterator end               = pVoiceStealingQueue->end();       * audio of those voices which were selected for voice stealing until
508              for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {       * the point were the stealing (that is the take over of the voice)
509                  Pool<Voice>::Iterator itNewVoice =       * actually happened.
510                      LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);       *
511                  if (itNewVoice) {       * @param pEngineChannel - engine channel on which audio should be
512                      for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) {       *                         rendered
513                          itNewVoice->Render(Samples);       * @param Samples        - amount of sample points to be rendered in
514                          if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active       *                         this audio fragment cycle
515                          else { // voice reached end, is now inactive       */
516                              FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices      void Engine::RenderStolenVoices(uint Samples) {
517                          }          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();
518                      }          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();
519            for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
520                EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
521                Pool<Voice>::Iterator itNewVoice =
522                    LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);
523                if (itNewVoice) {
524                    itNewVoice->Render(Samples);
525                    if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active
526                    else { // voice reached end, is now inactive
527                        FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices
528                  }                  }
                 else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));  
529              }              }
530          }              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();  
531    
532                // we need to clear the key's event list explicitly here in case key was never active
533                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key];
534                pKey->VoiceTheftsQueued--;
535                if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear();
536            }
537        }
538    
539        /**
540         * Free all keys which have turned inactive in this audio fragment, from
541         * the list of active keys and clear all event lists on that engine
542         * channel.
543         *
544         * @param pEngineChannel - engine channel to cleanup
545         */
546        void Engine::PostProcess(EngineChannel* pEngineChannel) {
547          // free all keys which have no active voices left          // free all keys which have no active voices left
548          {          {
549              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
# Line 486  namespace LinuxSampler { namespace gig { Line 552  namespace LinuxSampler { namespace gig {
552                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
553                  ++iuiKey;                  ++iuiKey;
554                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);
555                  #if DEVMODE                  #if CONFIG_DEVMODE
556                  else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)                  else { // just a sanity check for debugging
557                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
558                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
559                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
# Line 496  namespace LinuxSampler { namespace gig { Line 562  namespace LinuxSampler { namespace gig {
562                          }                          }
563                      }                      }
564                  }                  }
565                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
566              }              }
567          }          }
568    
569            // empty the engine channel's own event lists
570            pEngineChannel->ClearEventLists();
571      }      }
572    
573      /**      /**
# Line 528  namespace LinuxSampler { namespace gig { Line 597  namespace LinuxSampler { namespace gig {
597                  // finally place sysex event into input event queue                  // finally place sysex event into input event queue
598                  pEventQueue->push(&event);                  pEventQueue->push(&event);
599              }              }
600              else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE));              else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,CONFIG_SYSEX_BUFFER_SIZE));
601          }          }
602          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
603      }      }
# Line 554  namespace LinuxSampler { namespace gig { Line 623  namespace LinuxSampler { namespace gig {
623          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];
624    
625          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
626            pKey->Velocity   = itNoteOnEvent->Param.Note.Velocity;
627            pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length
628    
629          // cancel release process of voices on this key if needed          // cancel release process of voices on this key if needed
630          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
# Line 568  namespace LinuxSampler { namespace gig { Line 639  namespace LinuxSampler { namespace gig {
639          // move note on event to the key's own event list          // move note on event to the key's own event list
640          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
641    
642          // allocate and trigger a new voice for the key          // allocate and trigger new voice(s) for the key
643          LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true);          {
644                // first, get total amount of required voices (dependant on amount of layers)
645                ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key);
646                if (pRegion) {
647                    int voicesRequired = pRegion->Layers;
648                    // now launch the required amount of voices
649                    for (int i = 0; i < voicesRequired; i++)
650                        LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true);
651                }
652            }
653    
654            // if neither a voice was spawned or postponed then remove note on event from key again
655            if (!pKey->Active && !pKey->VoiceTheftsQueued)
656                pKey->pEvents->free(itNoteOnEventOnKeyList);
657    
658          pKey->RoundRobinIndex++;          pKey->RoundRobinIndex++;
659      }      }
# Line 591  namespace LinuxSampler { namespace gig { Line 675  namespace LinuxSampler { namespace gig {
675          // release voices on this key if needed          // release voices on this key if needed
676          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
677              itNoteOffEvent->Type = Event::type_release; // transform event type              itNoteOffEvent->Type = Event::type_release; // transform event type
         }  
678    
679          // move event to the key's own event list              // move event to the key's own event list
680          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);              RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
681    
682          // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
683          if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger) {
684              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)
685              pKey->ReleaseTrigger = false;                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
686                    if (pRegion) {
687                        int voicesRequired = pRegion->Layers;
688    
689                        // MIDI note-on velocity is used instead of note-off velocity
690                        itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity;
691    
692                        // now launch the required amount of voices
693                        for (int i = 0; i < voicesRequired; i++)
694                            LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
695                    }
696                    pKey->ReleaseTrigger = false;
697                }
698    
699                // if neither a voice was spawned or postponed then remove note off event from key again
700                if (!pKey->Active && !pKey->VoiceTheftsQueued)
701                    pKey->pEvents->free(itNoteOffEventOnKeyList);
702          }          }
703      }      }
704    
# Line 612  namespace LinuxSampler { namespace gig { Line 711  namespace LinuxSampler { namespace gig {
711       */       */
712      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
713          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
714          itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]);          itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]);
715      }      }
716    
717      /**      /**
# Line 645  namespace LinuxSampler { namespace gig { Line 744  namespace LinuxSampler { namespace gig {
744                  pKey->pActiveVoices->free(itNewVoice);                  pKey->pActiveVoices->free(itNewVoice);
745              }              }
746              else { // on success              else { // on success
747                    --VoiceSpawnsLeft;
748                  uint** ppKeyGroup = NULL;                  uint** ppKeyGroup = NULL;
749                  if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group                  if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group
750                      ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];                      ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];
# Line 654  namespace LinuxSampler { namespace gig { Line 754  namespace LinuxSampler { namespace gig {
754                          RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();                          RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
755                          RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();                          RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();
756                          for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {                          for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
757                              if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent);                              if (itVoiceToBeKilled->Type != Voice::type_release_trigger) {
758                                    itVoiceToBeKilled->Kill(itNoteOnEvent);
759                                    --VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict
760                                }
761                          }                          }
762                      }                      }
763                  }                  }
# Line 671  namespace LinuxSampler { namespace gig { Line 774  namespace LinuxSampler { namespace gig {
774              }              }
775          }          }
776          else if (VoiceStealing) {          else if (VoiceStealing) {
777              // first, get total amount of required voices (dependant on amount of layers)              // try to steal one voice
778              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key);              int result = StealVoice(pEngineChannel, itNoteOnEvent);
779              if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed              if (!result) { // voice stolen successfully
780              int voicesRequired = pRegion->Layers;                  // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
781                    RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();
782              // now steal the (remaining) amount of voices                  if (itStealEvent) {
783              for (int i = iLayer; i < voicesRequired; i++)                      *itStealEvent = *itNoteOnEvent; // copy event
784                  StealVoice(pEngineChannel, itNoteOnEvent);                      itStealEvent->Param.Note.Layer = iLayer;
785                        itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
786              // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died                      pKey->VoiceTheftsQueued++;
787              RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();                  }
788              if (itStealEvent) {                  else dmsg(1,("Voice stealing queue full!\n"));
                 *itStealEvent = *itNoteOnEvent; // copy event  
                 itStealEvent->Param.Note.Layer = iLayer;  
                 itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;  
789              }              }
             else dmsg(1,("Voice stealing queue full!\n"));  
790          }          }
791    
792          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 800  namespace LinuxSampler { namespace gig {
800       *       *
801       *  @param pEngineChannel - engine channel on which this event occured on       *  @param pEngineChannel - engine channel on which this event occured on
802       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
803         *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing
804       */       */
805      void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
806            if (VoiceSpawnsLeft <= 0) {
807                dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n"));
808                return -1;
809            }
810          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
811    
812              RTList<uint>::Iterator  iuiOldestKey;              RTList<Voice>::Iterator itSelectedVoice;
             RTList<Voice>::Iterator itOldestVoice;  
813    
814              // Select one voice for voice stealing              // Select one voice for voice stealing
815              switch (VOICE_STEAL_ALGORITHM) {              switch (CONFIG_VOICE_STEAL_ALGO) {
816    
817                  // try to pick the oldest voice on the key where the new                  // try to pick the oldest voice on the key where the new
818                  // voice should be spawned, if there is no voice on that                  // voice should be spawned, if there is no voice on that
819                  // key, or no voice left to kill there, then procceed with                  // key, or no voice left to kill, then procceed with
820                  // 'oldestkey' algorithm                  // 'oldestkey' algorithm
821                  case voice_steal_algo_keymask: {                  case voice_steal_algo_oldestvoiceonkey: {
822                      midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
823                      if (pEngineChannel->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
824                          itOldestVoice = pEngineChannel->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
825                          ++itOldestVoice;                      while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
826                      }                      // if we haven't found a voice then proceed with algorithm 'oldestkey'
827                      else { // no voice stolen in this audio fragment cycle yet                      if (itSelectedVoice && itSelectedVoice->IsStealable()) break;
                         itOldestVoice = pOldestKey->pActiveVoices->first();  
                     }  
                     if (itOldestVoice) {  
                         iuiOldestKey = pOldestKey->itSelf;  
                         break; // selection succeeded  
                     }  
828                  } // no break - intentional !                  } // no break - intentional !
829    
830                  // try to pick the oldest voice on the oldest active key                  // try to pick the oldest voice on the oldest active key
831                  // (caution: must stay after 'keymask' algorithm !)                  // from the same engine channel
832                    // (caution: must stay after 'oldestvoiceonkey' algorithm !)
833                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
834                      if (pEngineChannel->itLastStolenVoice) {                      // if we already stole in this fragment, try to proceed on same key
835                          midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*pEngineChannel->iuiLastStolenKey];                      if (this->itLastStolenVoice) {
836                          itOldestVoice = pEngineChannel->itLastStolenVoice;                          itSelectedVoice = this->itLastStolenVoice;
837                          ++itOldestVoice;                          do {
838                          if (!itOldestVoice) {                              ++itSelectedVoice;
839                              iuiOldestKey = pEngineChannel->iuiLastStolenKey;                          } while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle
840                              ++iuiOldestKey;                          // found a "stealable" voice ?
841                              if (iuiOldestKey) {                          if (itSelectedVoice && itSelectedVoice->IsStealable()) {
842                                  midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey];                              // remember which voice we stole, so we can simply proceed on next voice stealing
843                                  itOldestVoice = pOldestKey->pActiveVoices->first();                              this->itLastStolenVoice = itSelectedVoice;
844                              }                              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;  
                             }  
845                          }                          }
                         else iuiOldestKey = pEngineChannel->iuiLastStolenKey;  
846                      }                      }
847                      else { // no voice stolen in this audio fragment cycle yet                      // get (next) oldest key
848                          iuiOldestKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first();
849                          midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey];                      while (iuiSelectedKey) {
850                          itOldestVoice = pOldestKey->pActiveVoices->first();                          midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];
851                            itSelectedVoice = pSelectedKey->pActiveVoices->first();
852                            // proceed iterating if voice was created in this fragment cycle
853                            while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
854                            // found a "stealable" voice ?
855                            if (itSelectedVoice && itSelectedVoice->IsStealable()) {
856                                // remember which voice on which key we stole, so we can simply proceed on next voice stealing
857                                this->iuiLastStolenKey  = iuiSelectedKey;
858                                this->itLastStolenVoice = itSelectedVoice;
859                                break; // selection succeeded
860                            }
861                            ++iuiSelectedKey; // get next oldest key
862                      }                      }
863                      break;                      break;
864                  }                  }
# Line 763  namespace LinuxSampler { namespace gig { Line 867  namespace LinuxSampler { namespace gig {
867                  case voice_steal_algo_none:                  case voice_steal_algo_none:
868                  default: {                  default: {
869                      dmsg(1,("No free voice (voice stealing disabled)!\n"));                      dmsg(1,("No free voice (voice stealing disabled)!\n"));
870                      return;                      return -1;
871                  }                  }
872              }              }
873    
874              //FIXME: can be removed, just a sanity check for debugging              // if we couldn't steal a voice from the same engine channel then
875              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
876                // (the smaller engine channel number, the higher priority)
877                if (!itSelectedVoice || !itSelectedVoice->IsStealable()) {
878                    EngineChannel* pSelectedChannel;
879                    int            iChannelIndex;
880                    // select engine channel
881                    if (pLastStolenChannel) {
882                        pSelectedChannel = pLastStolenChannel;
883                        iChannelIndex    = pSelectedChannel->iEngineIndexSelf;
884                    } else { // pick the engine channel followed by this engine channel
885                        iChannelIndex    = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size();
886                        pSelectedChannel = engineChannels[iChannelIndex];
887                    }
888    
889                    // if we already stole in this fragment, try to proceed on same key
890                    if (this->itLastStolenVoiceGlobally) {
891                        itSelectedVoice = this->itLastStolenVoiceGlobally;
892                        do {
893                            ++itSelectedVoice;
894                        } while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle
895                    }
896    
897                    #if CONFIG_DEVMODE
898                    EngineChannel* pBegin = pSelectedChannel; // to detect endless loop
899                    #endif // CONFIG_DEVMODE
900    
901                    // did we find a 'stealable' voice?
902                    if (itSelectedVoice && itSelectedVoice->IsStealable()) {
903                        // remember which voice we stole, so we can simply proceed on next voice stealing
904                        this->itLastStolenVoiceGlobally = itSelectedVoice;
905                    } else while (true) { // iterate through engine channels
906                        // get (next) oldest key
907                        RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first();
908                        this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above)
909                        while (iuiSelectedKey) {
910                            midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];
911                            itSelectedVoice = pSelectedKey->pActiveVoices->first();
912                            // proceed iterating if voice was created in this fragment cycle
913                            while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
914                            // found a "stealable" voice ?
915                            if (itSelectedVoice && itSelectedVoice->IsStealable()) {
916                                // remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing
917                                this->iuiLastStolenKeyGlobally  = iuiSelectedKey;
918                                this->itLastStolenVoiceGlobally = itSelectedVoice;
919                                this->pLastStolenChannel        = pSelectedChannel;
920                                goto stealable_voice_found; // selection succeeded
921                            }
922                            ++iuiSelectedKey; // get next key on current engine channel
923                        }
924                        // get next engine channel
925                        iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();
926                        pSelectedChannel = engineChannels[iChannelIndex];
927    
928                        #if CONFIG_DEVMODE
929                        if (pSelectedChannel == pBegin) {
930                            dmsg(1,("FATAL ERROR: voice stealing endless loop!\n"));
931                            dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft));
932                            dmsg(1,("Exiting.\n"));
933                            exit(-1);
934                        }
935                        #endif // CONFIG_DEVMODE
936                    }
937                }
938    
939                // jump point if a 'stealable' voice was found
940                stealable_voice_found:
941    
942                #if CONFIG_DEVMODE
943                if (!itSelectedVoice->IsActive()) {
944                    dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
945                    return -1;
946                }
947                #endif // CONFIG_DEVMODE
948    
949              // now kill the selected voice              // now kill the selected voice
950              itOldestVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
951              // remember which voice on which key we stole, so we can simply proceed for the next voice stealing  
952              pEngineChannel->itLastStolenVoice = itOldestVoice;              --VoiceSpawnsLeft;
953              pEngineChannel->iuiLastStolenKey = iuiOldestKey;  
954                return 0; // success
955            }
956            else {
957                dmsg(1,("Event pool emtpy!\n"));
958                return -1;
959          }          }
         else dmsg(1,("Event pool emtpy!\n"));  
960      }      }
961    
962      /**      /**
# Line 835  namespace LinuxSampler { namespace gig { Line 1015  namespace LinuxSampler { namespace gig {
1015      void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) {      void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) {
1016          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));
1017    
1018          switch (itControlChangeEvent->Param.CC.Controller) {          // update controller value in the engine channel's controller table
1019            pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
1020    
1021            // move event from the unsorted event list to the control change event list
1022            Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);
1023    
1024            switch (itControlChangeEventOnCCList->Param.CC.Controller) {
1025              case 7: { // volume              case 7: { // volume
1026                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1027                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;
1028                    pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1029                  break;                  break;
1030              }              }
1031              case 10: { // panpot              case 10: { // panpot
1032                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1033                  const int pan = (int) itControlChangeEvent->Param.CC.Value - 64;                  const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;
1034                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;
1035                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;
1036                  break;                  break;
1037              }              }
1038              case 64: { // sustain              case 64: { // sustain
1039                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {                  if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {
1040                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("PEDAL DOWN\n"));
1041                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
1042    
1043                      // cancel release process of voices if necessary                      // cancel release process of voices if necessary
1044                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1045                      if (iuiKey) {                      for (; iuiKey; ++iuiKey) {
1046                          itControlChangeEvent->Type = Event::type_cancel_release; // transform event type                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1047                          while (iuiKey) {                          if (!pKey->KeyPressed) {
1048                              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1049                              ++iuiKey;                              if (itNewEvent) {
1050                              if (!pKey->KeyPressed) {                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list
1051                                  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"));  
1052                              }                              }
1053                                else dmsg(1,("Event pool emtpy!\n"));
1054                          }                          }
1055                      }                      }
1056                  }                  }
1057                  if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {                  if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {
1058                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("PEDAL UP\n"));
1059                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
1060    
1061                      // release voices if their respective key is not pressed                      // release voices if their respective key is not pressed
1062                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1063                      if (iuiKey) {                      for (; iuiKey; ++iuiKey) {
1064                          itControlChangeEvent->Type = Event::type_release; // transform event type                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1065                          while (iuiKey) {                          if (!pKey->KeyPressed) {
1066                              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1067                              ++iuiKey;                              if (itNewEvent) {
1068                              if (!pKey->KeyPressed) {                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list
1069                                  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"));  
1070                              }                              }
1071                                else dmsg(1,("Event pool emtpy!\n"));
1072                          }                          }
1073                      }                      }
1074                  }                  }
1075                  break;                  break;
1076              }              }
         }  
1077    
         // update controller value in the engine's controller table  
         pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;  
1078    
1079          // move event from the unsorted event list to the control change event list              // Channel Mode Messages
1080          itControlChangeEvent.moveToEndOf(pCCEvents);  
1081                case 120: { // all sound off
1082                    KillAllVoices(pEngineChannel, itControlChangeEventOnCCList);
1083                    break;
1084                }
1085                case 121: { // reset all controllers
1086                    pEngineChannel->ResetControllers();
1087                    break;
1088                }
1089                case 123: { // all notes off
1090                    ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList);
1091                    break;
1092                }
1093            }
1094      }      }
1095    
1096      /**      /**
# Line 913  namespace LinuxSampler { namespace gig { Line 1108  namespace LinuxSampler { namespace gig {
1108    
1109          switch (id) {          switch (id) {
1110              case 0x41: { // Roland              case 0x41: { // Roland
1111                    dmsg(3,("Roland Sysex\n"));
1112                  uint8_t device_id, model_id, cmd_id;                  uint8_t device_id, model_id, cmd_id;
1113                  if (!reader.pop(&device_id)) goto free_sysex_data;                  if (!reader.pop(&device_id)) goto free_sysex_data;
1114                  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 1121  namespace LinuxSampler { namespace gig {
1121                  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
1122                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1123                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1124                        dmsg(3,("\tSystem Parameter\n"));
1125                  }                  }
1126                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1127                        dmsg(3,("\tCommon Parameter\n"));
1128                  }                  }
1129                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
1130                      switch (addr[3]) {                      dmsg(3,("\tPart Parameter\n"));
1131                        switch (addr[2]) {
1132                          case 0x40: { // scale tuning                          case 0x40: { // scale tuning
1133                                dmsg(3,("\t\tScale Tuning\n"));
1134                              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
1135                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
1136                              uint8_t checksum;                              uint8_t checksum;
1137                              if (!reader.pop(&checksum))                      goto free_sysex_data;                              if (!reader.pop(&checksum)) goto free_sysex_data;
1138                              if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;                              #if CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1139                                if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data;
1140                                #endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1141                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
1142                              AdjustScale((int8_t*) scale_tunes);                              AdjustScale((int8_t*) scale_tunes);
1143                                dmsg(3,("\t\t\tNew scale applied.\n"));
1144                              break;                              break;
1145                          }                          }
1146                      }                      }
# Line 982  namespace LinuxSampler { namespace gig { Line 1185  namespace LinuxSampler { namespace gig {
1185      }      }
1186    
1187      /**      /**
1188         * Releases all voices on an engine channel. All voices will go into
1189         * the release stage and thus it might take some time (e.g. dependant to
1190         * their envelope release time) until they actually die.
1191         *
1192         * @param pEngineChannel - engine channel on which all voices should be released
1193         * @param itReleaseEvent - event which caused this releasing of all voices
1194         */
1195        void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) {
1196            RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1197            while (iuiKey) {
1198                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1199                ++iuiKey;
1200                // append a 'release' event to the key's own event list
1201                RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1202                if (itNewEvent) {
1203                    *itNewEvent = *itReleaseEvent; // copy original event (to the key's event list)
1204                    itNewEvent->Type = Event::type_release; // transform event type
1205                }
1206                else dmsg(1,("Event pool emtpy!\n"));
1207            }
1208        }
1209    
1210        /**
1211         * Kills all voices on an engine channel as soon as possible. Voices
1212         * won't get into release state, their volume level will be ramped down
1213         * as fast as possible.
1214         *
1215         * @param pEngineChannel - engine channel on which all voices should be killed
1216         * @param itKillEvent    - event which caused this killing of all voices
1217         */
1218        void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) {
1219            RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1220            RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
1221            while (iuiKey != end) { // iterate through all active keys
1222                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1223                ++iuiKey;
1224                RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
1225                RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
1226                for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
1227                    itVoice->Kill(itKillEvent);
1228                    --VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead
1229                }
1230            }
1231        }
1232    
1233        /**
1234       * Initialize the parameter sequence for the modulation destination given by       * Initialize the parameter sequence for the modulation destination given by
1235       * by 'dst' with the constant value given by val.       * by 'dst' with the constant value given by val.
1236       */       */
# Line 1025  namespace LinuxSampler { namespace gig { Line 1274  namespace LinuxSampler { namespace gig {
1274      }      }
1275    
1276      String Engine::EngineName() {      String Engine::EngineName() {
1277          return "GigEngine";          return LS_GIG_ENGINE_NAME;
1278      }      }
1279    
1280      String Engine::Description() {      String Engine::Description() {
# Line 1033  namespace LinuxSampler { namespace gig { Line 1282  namespace LinuxSampler { namespace gig {
1282      }      }
1283    
1284      String Engine::Version() {      String Engine::Version() {
1285          String s = "$Revision: 1.30 $";          String s = "$Revision: 1.45 $";
1286          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
1287      }      }
1288    
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