/[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 412 by schoenebeck, Sat Feb 26 22:44:51 2005 UTC revision 630 by persson, Sat Jun 11 14:51:49 2005 UTC
# Line 25  Line 25 
25  #include "DiskThread.h"  #include "DiskThread.h"
26  #include "Voice.h"  #include "Voice.h"
27  #include "EGADSR.h"  #include "EGADSR.h"
28    #include "../EngineFactory.h"
29    
30  #include "Engine.h"  #include "Engine.h"
31    
# Line 55  namespace LinuxSampler { namespace gig { Line 56  namespace LinuxSampler { namespace gig {
56          // check if there's already an engine for the given audio output device          // check if there's already an engine for the given audio output device
57          if (engines.count(pDevice)) {          if (engines.count(pDevice)) {
58              dmsg(4,("Using existing gig::Engine.\n"));              dmsg(4,("Using existing gig::Engine.\n"));
59              pEngine = engines[pDevice];                          pEngine = engines[pDevice];
60          } else { // create a new engine (and disk thread) instance for the given audio output device          } else { // create a new engine (and disk thread) instance for the given audio output device
61              dmsg(4,("Creating new gig::Engine.\n"));              dmsg(4,("Creating new gig::Engine.\n"));
62              pEngine = new Engine;              pEngine = (Engine*) EngineFactory::Create("gig");
63              pEngine->Connect(pDevice);              pEngine->Connect(pDevice);
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 93  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 120  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 127  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 144  namespace LinuxSampler { namespace gig { Line 143  namespace LinuxSampler { namespace gig {
143          if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);          if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);
144          if (pVoiceStealingQueue) delete pVoiceStealingQueue;          if (pVoiceStealingQueue) delete pVoiceStealingQueue;
145          if (pSysexBuffer) delete pSysexBuffer;          if (pSysexBuffer) delete pSysexBuffer;
146            EngineFactory::Destroy(this);
147      }      }
148    
149      void Engine::Enable() {      void Engine::Enable() {
# Line 184  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 199  namespace LinuxSampler { namespace gig { Line 202  namespace LinuxSampler { namespace gig {
202    
203          // delete all input events          // delete all input events
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 214  namespace LinuxSampler { namespace gig { Line 226  namespace LinuxSampler { namespace gig {
226              String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message();              String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message();
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 230  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 275  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 311  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      }          }
332    
333      /**      /**
334       *  Let this engine proceed to render the given amount of sample points. The       *  Let this engine proceed to render the given amount of sample points. The
# Line 342  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 363  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;
416    
417            FrameTime += Samples;
418    
419          return 0;          return 0;
420      }      }
421    
422      void Engine::RenderAudio(EngineChannel* pEngineChannel, uint Samples) {      /**
423          // empty the engine's event lists for the new fragment       * Dispatch and handle all events in this audio fragment for the given
424          ClearEventLists();       * engine channel.
425          // empty the engine channel's, MIDI key specific event lists       *
426          {       * @param pEngineChannel - engine channel on which events should be
427              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();       *                         processed
428              RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();       * @param Samples        - amount of sample points to be processed in
429              for(; iuiKey != end; ++iuiKey) {       *                         this audio fragment cycle
430                  pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key       */
431              }      void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) {
         }  
   
   
432          // 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
433          // (these are the common events like NoteOn, NoteOff, ControlChange, etc.)          // (these are the common events like NoteOn, NoteOff, ControlChange, etc.)
434          ImportEvents(pEngineChannel->pEventQueue, Samples);                pEngineChannel->ImportEvents(Samples);
   
435    
436          // process events          // process events
437          {          {
438              RTList<Event>::Iterator itEvent = pEvents->first();              RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first();
439              RTList<Event>::Iterator end     = pEvents->end();              RTList<Event>::Iterator end     = pEngineChannel->pEvents->end();
440              for (; itEvent != end; ++itEvent) {              for (; itEvent != end; ++itEvent) {
441                  switch (itEvent->Type) {                  switch (itEvent->Type) {
442                      case Event::type_note_on:                      case Event::type_note_on:
# Line 427  namespace LinuxSampler { namespace gig { Line 458  namespace LinuxSampler { namespace gig {
458                  }                  }
459              }              }
460          }          }
461        }
462    
463        /**
464          // render audio from all active voices       * Render all 'normal' voices (that is voices which were not stolen in
465          {       * this fragment) on the given engine channel.
466              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();       *
467              RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();       * @param pEngineChannel - engine channel on which audio should be
468              while (iuiKey != end) { // iterate through all active keys       *                         rendered
469                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];       * @param Samples        - amount of sample points to be rendered in
470                  ++iuiKey;       *                         this audio fragment cycle
471         */
472                  RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
473                  RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
474                  for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
475                      // now render current voice          while (iuiKey != end) { // iterate through all active keys
476                      itVoice->Render(Samples);              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
477                      if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active              ++iuiKey;
478                      else { // voice reached end, is now inactive  
479                          FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices              RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
480                      }              RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
481                for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
482                    // now render current voice
483                    itVoice->Render(Samples);
484                    if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active
485                    else { // voice reached end, is now inactive
486                        FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices
487                  }                  }
488              }              }
489          }          }
490        }
491    
492                /**
493          // now render all postponed voices from voice stealing       * Render all stolen voices (only voices which were stolen in this
494          {       * fragment) on the given engine channel. Stolen voices are rendered
495              RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();       * after all normal voices have been rendered; this is needed to render
496              RTList<Event>::Iterator end               = pVoiceStealingQueue->end();       * audio of those voices which were selected for voice stealing until
497              for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {       * the point were the stealing (that is the take over of the voice)
498                  Pool<Voice>::Iterator itNewVoice =       * actually happened.
499                      LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);       *
500                  if (itNewVoice) {       * @param pEngineChannel - engine channel on which audio should be
501                      for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) {       *                         rendered
502                          itNewVoice->Render(Samples);       * @param Samples        - amount of sample points to be rendered in
503                          if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active       *                         this audio fragment cycle
504                          else { // voice reached end, is now inactive       */
505                              FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices      void Engine::RenderStolenVoices(uint Samples) {
506                          }          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();
507                      }          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();
508            for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
509                EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
510                Pool<Voice>::Iterator itNewVoice =
511                    LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);
512                if (itNewVoice) {
513                    itNewVoice->Render(Samples);
514                    if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active
515                    else { // voice reached end, is now inactive
516                        FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices
517                  }                  }
                 else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));  
518              }              }
519                else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));
520    
521                // we need to clear the key's event list explicitly here in case key was never active
522                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key];
523                pKey->VoiceTheftsQueued--;
524                if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear();
525          }          }
526          // reset voice stealing for the new fragment      }
         pVoiceStealingQueue->clear();  
         pEngineChannel->itLastStolenVoice = RTList<Voice>::Iterator();  
         pEngineChannel->iuiLastStolenKey  = RTList<uint>::Iterator();  
           
527    
528        /**
529         * Free all keys which have turned inactive in this audio fragment, from
530         * the list of active keys and clear all event lists on that engine
531         * channel.
532         *
533         * @param pEngineChannel - engine channel to cleanup
534         */
535        void Engine::PostProcess(EngineChannel* pEngineChannel) {
536          // free all keys which have no active voices left          // free all keys which have no active voices left
537          {          {
538              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();              RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
# Line 484  namespace LinuxSampler { namespace gig { Line 541  namespace LinuxSampler { namespace gig {
541                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
542                  ++iuiKey;                  ++iuiKey;
543                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);
544                  #if DEVMODE                  #if CONFIG_DEVMODE
545                  else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)                  else { // just a sanity check for debugging
546                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
547                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
548                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
# Line 494  namespace LinuxSampler { namespace gig { Line 551  namespace LinuxSampler { namespace gig {
551                          }                          }
552                      }                      }
553                  }                  }
554                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
555              }              }
556          }          }
557    
558            // empty the engine channel's own event lists
559            pEngineChannel->ClearEventLists();
560      }      }
561    
562      /**      /**
# Line 526  namespace LinuxSampler { namespace gig { Line 586  namespace LinuxSampler { namespace gig {
586                  // finally place sysex event into input event queue                  // finally place sysex event into input event queue
587                  pEventQueue->push(&event);                  pEventQueue->push(&event);
588              }              }
589              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));
590          }          }
591          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
592      }      }
# Line 538  namespace LinuxSampler { namespace gig { Line 598  namespace LinuxSampler { namespace gig {
598       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
599       */       */
600      void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
601            
602          const int key = itNoteOnEvent->Param.Note.Key;          const int key = itNoteOnEvent->Param.Note.Key;
603    
604          // Change key dimension value if key is in keyswitching area          // Change key dimension value if key is in keyswitching area
# Line 552  namespace LinuxSampler { namespace gig { Line 612  namespace LinuxSampler { namespace gig {
612          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];
613    
614          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
615            pKey->Velocity   = itNoteOnEvent->Param.Note.Velocity;
616            pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length
617    
618          // cancel release process of voices on this key if needed          // cancel release process of voices on this key if needed
619          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
# Line 566  namespace LinuxSampler { namespace gig { Line 628  namespace LinuxSampler { namespace gig {
628          // move note on event to the key's own event list          // move note on event to the key's own event list
629          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);          RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
630    
631          // allocate and trigger a new voice for the key          // allocate and trigger new voice(s) for the key
632          LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true);          {
633                // first, get total amount of required voices (dependant on amount of layers)
634                ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key);
635                if (pRegion) {
636                    int voicesRequired = pRegion->Layers;
637                    // now launch the required amount of voices
638                    for (int i = 0; i < voicesRequired; i++)
639                        LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true);
640                }
641            }
642    
643            // if neither a voice was spawned or postponed then remove note on event from key again
644            if (!pKey->Active && !pKey->VoiceTheftsQueued)
645                pKey->pEvents->free(itNoteOnEventOnKeyList);
646    
647            pKey->RoundRobinIndex++;
648      }      }
649    
650      /**      /**
# Line 587  namespace LinuxSampler { namespace gig { Line 664  namespace LinuxSampler { namespace gig {
664          // release voices on this key if needed          // release voices on this key if needed
665          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
666              itNoteOffEvent->Type = Event::type_release; // transform event type              itNoteOffEvent->Type = Event::type_release; // transform event type
         }  
667    
668          // move event to the key's own event list              // move event to the key's own event list
669          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);              RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
670    
671          // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
672          if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger) {
673              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)
674              pKey->ReleaseTrigger = false;                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
675                    if (pRegion) {
676                        int voicesRequired = pRegion->Layers;
677    
678                        // MIDI note-on velocity is used instead of note-off velocity
679                        itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity;
680    
681                        // now launch the required amount of voices
682                        for (int i = 0; i < voicesRequired; i++)
683                            LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
684                    }
685                    pKey->ReleaseTrigger = false;
686                }
687    
688                // if neither a voice was spawned or postponed then remove note off event from key again
689                if (!pKey->Active && !pKey->VoiceTheftsQueued)
690                    pKey->pEvents->free(itNoteOffEventOnKeyList);
691          }          }
692      }      }
693    
# Line 608  namespace LinuxSampler { namespace gig { Line 700  namespace LinuxSampler { namespace gig {
700       */       */
701      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
702          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
703          itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]);          itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]);
704      }      }
705    
706      /**      /**
# Line 667  namespace LinuxSampler { namespace gig { Line 759  namespace LinuxSampler { namespace gig {
759              }              }
760          }          }
761          else if (VoiceStealing) {          else if (VoiceStealing) {
762              // first, get total amount of required voices (dependant on amount of layers)              // try to steal one voice
763              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key);              int result = StealVoice(pEngineChannel, itNoteOnEvent);
764              if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed              if (!result) { // voice stolen successfully
765              int voicesRequired = pRegion->Layers;                  // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
766                    RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();
767              // now steal the (remaining) amount of voices                  if (itStealEvent) {
768              for (int i = iLayer; i < voicesRequired; i++)                      *itStealEvent = *itNoteOnEvent; // copy event
769                  StealVoice(pEngineChannel, itNoteOnEvent);                      itStealEvent->Param.Note.Layer = iLayer;
770                        itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
771              // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died                      pKey->VoiceTheftsQueued++;
772              RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();                  }
773              if (itStealEvent) {                  else dmsg(1,("Voice stealing queue full!\n"));
                 *itStealEvent = *itNoteOnEvent; // copy event  
                 itStealEvent->Param.Note.Layer = iLayer;  
                 itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;  
774              }              }
             else dmsg(1,("Voice stealing queue full!\n"));  
775          }          }
776    
777          return Pool<Voice>::Iterator(); // no free voice or error          return Pool<Voice>::Iterator(); // no free voice or error
# Line 697  namespace LinuxSampler { namespace gig { Line 785  namespace LinuxSampler { namespace gig {
785       *       *
786       *  @param pEngineChannel - engine channel on which this event occured on       *  @param pEngineChannel - engine channel on which this event occured on
787       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
788         *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing
789       */       */
790      void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
791            if (!VoiceTheftsLeft) {
792                dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n"));
793                return -1;
794            }
795          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
796    
797              RTList<uint>::Iterator  iuiOldestKey;              RTList<Voice>::Iterator itSelectedVoice;
             RTList<Voice>::Iterator itOldestVoice;  
798    
799              // Select one voice for voice stealing              // Select one voice for voice stealing
800              switch (VOICE_STEAL_ALGORITHM) {              switch (CONFIG_VOICE_STEAL_ALGO) {
801    
802                  // try to pick the oldest voice on the key where the new                  // try to pick the oldest voice on the key where the new
803                  // voice should be spawned, if there is no voice on that                  // voice should be spawned, if there is no voice on that
804                  // key, or no voice left to kill there, then procceed with                  // key, or no voice left to kill, then procceed with
805                  // 'oldestkey' algorithm                  // 'oldestkey' algorithm
806                  case voice_steal_algo_keymask: {                  case voice_steal_algo_oldestvoiceonkey: {
807                      midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
808                      if (pEngineChannel->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
809                          itOldestVoice = pEngineChannel->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
810                          ++itOldestVoice;                      while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice;
811                      }                      // if we haven't found a voice then proceed with algorithm 'oldestkey'
812                      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  
                     }  
813                  } // no break - intentional !                  } // no break - intentional !
814    
815                  // try to pick the oldest voice on the oldest active key                  // try to pick the oldest voice on the oldest active key
816                  // (caution: must stay after 'keymask' algorithm !)                  // from the same engine channel
817                    // (caution: must stay after 'oldestvoiceonkey' algorithm !)
818                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
819                      if (pEngineChannel->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
820                          midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*pEngineChannel->iuiLastStolenKey];                          itSelectedVoice = this->itLastStolenVoice;
821                          itOldestVoice = pEngineChannel->itLastStolenVoice;                          ++itSelectedVoice;
822                          ++itOldestVoice;                          if (itSelectedVoice) break; // selection succeeded
823                          if (!itOldestVoice) {                          RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey;
824                              iuiOldestKey = pEngineChannel->iuiLastStolenKey;                          ++iuiSelectedKey;
825                              ++iuiOldestKey;                          if (iuiSelectedKey) {
826                              if (iuiOldestKey) {                              this->iuiLastStolenKey = iuiSelectedKey;
827                                  midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey];                              midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];
828                                  itOldestVoice = pOldestKey->pActiveVoices->first();                              itSelectedVoice = pSelectedKey->pActiveVoices->first();
829                              }                              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;  
                             }  
830                          }                          }
                         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();  
831                      }                      }
832                      break;                      break;
833                  }                  }
# Line 759  namespace LinuxSampler { namespace gig { Line 836  namespace LinuxSampler { namespace gig {
836                  case voice_steal_algo_none:                  case voice_steal_algo_none:
837                  default: {                  default: {
838                      dmsg(1,("No free voice (voice stealing disabled)!\n"));                      dmsg(1,("No free voice (voice stealing disabled)!\n"));
839                      return;                      return -1;
840                  }                  }
841              }              }
842    
843              //FIXME: can be removed, just a sanity check for debugging              // if we couldn't steal a voice from the same engine channel then
844              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
845                if (!itSelectedVoice) {
846                    EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;
847                    int iChannelIndex = pSelectedChannel->iEngineIndexSelf;
848                    while (true) {
849                        RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first();
850                        if (iuiSelectedKey) {
851                            midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];
852                            itSelectedVoice    = pSelectedKey->pActiveVoices->first();
853                            iuiLastStolenKey   = iuiSelectedKey;
854                            pLastStolenChannel = pSelectedChannel;
855                            break; // selection succeeded
856                        }
857                        iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();
858                        pSelectedChannel =  engineChannels[iChannelIndex];
859                    }
860                }
861    
862                #if CONFIG_DEVMODE
863                if (!itSelectedVoice->IsActive()) {
864                    dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
865                    return -1;
866                }
867                #endif // CONFIG_DEVMODE
868    
869              // now kill the selected voice              // now kill the selected voice
870              itOldestVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
871              // remember which voice on which key we stole, so we can simply proceed for the next voice stealing  
872              pEngineChannel->itLastStolenVoice = itOldestVoice;              // remember which voice we stole, so we can simply proceed for the next voice stealing
873              pEngineChannel->iuiLastStolenKey = iuiOldestKey;              itLastStolenVoice = itSelectedVoice;
874    
875                --VoiceTheftsLeft;
876    
877                return 0; // success
878            }
879            else {
880                dmsg(1,("Event pool emtpy!\n"));
881                return -1;
882          }          }
         else dmsg(1,("Event pool emtpy!\n"));  
883      }      }
884    
885      /**      /**
# Line 831  namespace LinuxSampler { namespace gig { Line 938  namespace LinuxSampler { namespace gig {
938      void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) {      void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) {
939          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));
940    
941          switch (itControlChangeEvent->Param.CC.Controller) {          // update controller value in the engine channel's controller table
942              case 64: {          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
943                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {  
944            // move event from the unsorted event list to the control change event list
945            Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);
946    
947            switch (itControlChangeEventOnCCList->Param.CC.Controller) {
948                case 7: { // volume
949                    //TODO: not sample accurate yet
950                    pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;
951                    break;
952                }
953                case 10: { // panpot
954                    //TODO: not sample accurate yet
955                    const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;
956                    pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;
957                    pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;
958                    break;
959                }
960                case 64: { // sustain
961                    if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {
962                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("PEDAL DOWN\n"));
963                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
964    
965                      // cancel release process of voices if necessary                      // cancel release process of voices if necessary
966                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
967                      if (iuiKey) {                      for (; iuiKey; ++iuiKey) {
968                          itControlChangeEvent->Type = Event::type_cancel_release; // transform event type                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
969                          while (iuiKey) {                          if (!pKey->KeyPressed) {
970                              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
971                              ++iuiKey;                              if (itNewEvent) {
972                              if (!pKey->KeyPressed) {                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list
973                                  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"));  
974                              }                              }
975                                else dmsg(1,("Event pool emtpy!\n"));
976                          }                          }
977                      }                      }
978                  }                  }
979                  if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {                  if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {
980                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("PEDAL UP\n"));
981                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
982    
983                      // release voices if their respective key is not pressed                      // release voices if their respective key is not pressed
984                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
985                      if (iuiKey) {                      for (; iuiKey; ++iuiKey) {
986                          itControlChangeEvent->Type = Event::type_release; // transform event type                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
987                          while (iuiKey) {                          if (!pKey->KeyPressed) {
988                              midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
989                              ++iuiKey;                              if (itNewEvent) {
990                              if (!pKey->KeyPressed) {                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list
991                                  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"));  
992                              }                              }
993                                else dmsg(1,("Event pool emtpy!\n"));
994                          }                          }
995                      }                      }
996                  }                  }
997                  break;                  break;
998              }              }
         }  
999    
         // update controller value in the engine's controller table  
         pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;  
1000    
1001          // move event from the unsorted event list to the control change event list              // Channel Mode Messages
1002          itControlChangeEvent.moveToEndOf(pCCEvents);  
1003                case 120: { // all sound off
1004                    KillAllVoices(pEngineChannel, itControlChangeEventOnCCList);
1005                    break;
1006                }
1007                case 121: { // reset all controllers
1008                    pEngineChannel->ResetControllers();
1009                    break;
1010                }
1011                case 123: { // all notes off
1012                    ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList);
1013                    break;
1014                }
1015            }
1016      }      }
1017    
1018      /**      /**
# Line 897  namespace LinuxSampler { namespace gig { Line 1030  namespace LinuxSampler { namespace gig {
1030    
1031          switch (id) {          switch (id) {
1032              case 0x41: { // Roland              case 0x41: { // Roland
1033                    dmsg(3,("Roland Sysex\n"));
1034                  uint8_t device_id, model_id, cmd_id;                  uint8_t device_id, model_id, cmd_id;
1035                  if (!reader.pop(&device_id)) goto free_sysex_data;                  if (!reader.pop(&device_id)) goto free_sysex_data;
1036                  if (!reader.pop(&model_id))  goto free_sysex_data;                  if (!reader.pop(&model_id))  goto free_sysex_data;
# Line 909  namespace LinuxSampler { namespace gig { Line 1043  namespace LinuxSampler { namespace gig {
1043                  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
1044                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1045                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1046                        dmsg(3,("\tSystem Parameter\n"));
1047                  }                  }
1048                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1049                        dmsg(3,("\tCommon Parameter\n"));
1050                  }                  }
1051                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
1052                      switch (addr[3]) {                      dmsg(3,("\tPart Parameter\n"));
1053                        switch (addr[2]) {
1054                          case 0x40: { // scale tuning                          case 0x40: { // scale tuning
1055                                dmsg(3,("\t\tScale Tuning\n"));
1056                              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
1057                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
1058                              uint8_t checksum;                              uint8_t checksum;
1059                              if (!reader.pop(&checksum))                      goto free_sysex_data;                              if (!reader.pop(&checksum)) goto free_sysex_data;
1060                              if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;                              #if CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1061                                if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data;
1062                                #endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1063                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
1064                              AdjustScale((int8_t*) scale_tunes);                              AdjustScale((int8_t*) scale_tunes);
1065                                dmsg(3,("\t\t\tNew scale applied.\n"));
1066                              break;                              break;
1067                          }                          }
1068                      }                      }
# Line 966  namespace LinuxSampler { namespace gig { Line 1107  namespace LinuxSampler { namespace gig {
1107      }      }
1108    
1109      /**      /**
1110         * Releases all voices on an engine channel. All voices will go into
1111         * the release stage and thus it might take some time (e.g. dependant to
1112         * their envelope release time) until they actually die.
1113         *
1114         * @param pEngineChannel - engine channel on which all voices should be released
1115         * @param itReleaseEvent - event which caused this releasing of all voices
1116         */
1117        void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) {
1118            RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1119            while (iuiKey) {
1120                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1121                ++iuiKey;
1122                // append a 'release' event to the key's own event list
1123                RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1124                if (itNewEvent) {
1125                    *itNewEvent = *itReleaseEvent; // copy original event (to the key's event list)
1126                    itNewEvent->Type = Event::type_release; // transform event type
1127                }
1128                else dmsg(1,("Event pool emtpy!\n"));
1129            }
1130        }
1131    
1132        /**
1133         * Kills all voices on an engine channel as soon as possible. Voices
1134         * won't get into release state, their volume level will be ramped down
1135         * as fast as possible.
1136         *
1137         * @param pEngineChannel - engine channel on which all voices should be killed
1138         * @param itKillEvent    - event which caused this killing of all voices
1139         */
1140        void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) {
1141            RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1142            RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
1143            while (iuiKey != end) { // iterate through all active keys
1144                midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1145                ++iuiKey;
1146                RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
1147                RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
1148                for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
1149                    itVoice->Kill(itKillEvent);
1150                }
1151            }
1152        }
1153    
1154        /**
1155       * Initialize the parameter sequence for the modulation destination given by       * Initialize the parameter sequence for the modulation destination given by
1156       * by 'dst' with the constant value given by val.       * by 'dst' with the constant value given by val.
1157       */       */
# Line 978  namespace LinuxSampler { namespace gig { Line 1164  namespace LinuxSampler { namespace gig {
1164             m[i+2] = val;             m[i+2] = val;
1165             m[i+3] = val;             m[i+3] = val;
1166          }          }
1167      }          }
1168    
1169      uint Engine::VoiceCount() {      uint Engine::VoiceCount() {
1170          return ActiveVoiceCount;          return ActiveVoiceCount;
# Line 1009  namespace LinuxSampler { namespace gig { Line 1195  namespace LinuxSampler { namespace gig {
1195      }      }
1196    
1197      String Engine::EngineName() {      String Engine::EngineName() {
1198          return "GigEngine";          return LS_GIG_ENGINE_NAME;
1199      }      }
1200    
1201      String Engine::Description() {      String Engine::Description() {
# Line 1017  namespace LinuxSampler { namespace gig { Line 1203  namespace LinuxSampler { namespace gig {
1203      }      }
1204    
1205      String Engine::Version() {      String Engine::Version() {
1206          String s = "$Revision: 1.27 $";          String s = "$Revision: 1.40 $";
1207          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
1208      }      }
1209    
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