/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/Engine.cpp

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revision 466 by schoenebeck, Tue Mar 15 19:27:01 2005 UTC revision 630 by persson, Sat Jun 11 14:51:49 2005 UTC
# Line 96  namespace LinuxSampler { namespace gig { Line 96  namespace LinuxSampler { namespace gig {
96          else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size()));          else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size()));
97      }      }
98    
99        /**
100         * Constructor
101         */
102      Engine::Engine() {      Engine::Engine() {
103          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
104          pDiskThread        = NULL;          pDiskThread        = NULL;
105          pEventGenerator    = NULL;          pEventGenerator    = NULL;
106          pSysexBuffer       = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0);          pSysexBuffer       = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0);
107          pEventQueue        = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue        = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
108          pEventPool         = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT);          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
109          pVoicePool         = new Pool<Voice>(MAX_AUDIO_VOICES);          pVoicePool         = new Pool<Voice>(CONFIG_MAX_VOICES);
110          pVoiceStealingQueue = new RTList<Event>(pEventPool);          pVoiceStealingQueue = new RTList<Event>(pEventPool);
111          pGlobalEvents      = new RTList<Event>(pEventPool);          pGlobalEvents      = new RTList<Event>(pEventPool);
112          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
# Line 118  namespace LinuxSampler { namespace gig { Line 121  namespace LinuxSampler { namespace gig {
121          ResetInternal();          ResetInternal();
122      }      }
123    
124        /**
125         * Destructor
126         */
127      Engine::~Engine() {      Engine::~Engine() {
128          if (pDiskThread) {          if (pDiskThread) {
129              dmsg(1,("Stopping disk thread..."));              dmsg(1,("Stopping disk thread..."));
# Line 198  namespace LinuxSampler { namespace gig { Line 204  namespace LinuxSampler { namespace gig {
204          pEventQueue->init();          pEventQueue->init();
205      }      }
206    
207        /**
208         * Connect this engine instance with the given audio output device.
209         * This method will be called when an Engine instance is created.
210         * All of the engine's data structures which are dependant to the used
211         * audio output device / driver will be (re)allocated and / or
212         * adjusted appropriately.
213         *
214         * @param pAudioOut - audio output device to connect to
215         */
216      void Engine::Connect(AudioOutputDevice* pAudioOut) {      void Engine::Connect(AudioOutputDevice* pAudioOut) {
217          pAudioOutputDevice = pAudioOut;          pAudioOutputDevice = pAudioOut;
218    
# Line 216  namespace LinuxSampler { namespace gig { Line 231  namespace LinuxSampler { namespace gig {
231          this->SampleRate         = pAudioOutputDevice->SampleRate();          this->SampleRate         = pAudioOutputDevice->SampleRate();
232    
233          // FIXME: audio drivers with varying fragment sizes might be a problem here          // FIXME: audio drivers with varying fragment sizes might be a problem here
234          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1;          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;
235          if (MaxFadeOutPos < 0)          if (MaxFadeOutPos < 0)
236              throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!");              throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!");
237    
238          // (re)create disk thread          // (re)create disk thread
239          if (this->pDiskThread) {          if (this->pDiskThread) {
# Line 227  namespace LinuxSampler { namespace gig { Line 242  namespace LinuxSampler { namespace gig {
242              delete this->pDiskThread;              delete this->pDiskThread;
243              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
244          }          }
245          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo
246          if (!pDiskThread) {          if (!pDiskThread) {
247              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
248              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 272  namespace LinuxSampler { namespace gig { Line 287  namespace LinuxSampler { namespace gig {
287          }          }
288      }      }
289    
290        /**
291         * Clear all engine global event lists.
292         */
293      void Engine::ClearEventLists() {      void Engine::ClearEventLists() {
294          pGlobalEvents->clear();          pGlobalEvents->clear();
295      }      }
# Line 352  namespace LinuxSampler { namespace gig { Line 370  namespace LinuxSampler { namespace gig {
370              }              }
371          }          }
372    
373          // We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen          // We only allow a maximum of CONFIG_MAX_VOICES voices to be stolen
374          // in each audio fragment. All subsequent request for spawning new          // in each audio fragment. All subsequent request for spawning new
375          // voices in the same audio fragment will be ignored.          // voices in the same audio fragment will be ignored.
376          VoiceTheftsLeft = MAX_AUDIO_VOICES;          VoiceTheftsLeft = CONFIG_MAX_VOICES;
377    
378          // reset internal voice counter (just for statistic of active voices)          // reset internal voice counter (just for statistic of active voices)
379          ActiveVoiceCountTemp = 0;          ActiveVoiceCountTemp = 0;
# Line 396  namespace LinuxSampler { namespace gig { Line 414  namespace LinuxSampler { namespace gig {
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        /**
423         * Dispatch and handle all events in this audio fragment for the given
424         * engine channel.
425         *
426         * @param pEngineChannel - engine channel on which events should be
427         *                         processed
428         * @param Samples        - amount of sample points to be processed in
429         *                         this audio fragment cycle
430         */
431      void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) {      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.)
# Line 431  namespace LinuxSampler { namespace gig { Line 460  namespace LinuxSampler { namespace gig {
460          }          }
461      }      }
462    
463        /**
464         * Render all 'normal' voices (that is voices which were not stolen in
465         * this fragment) on the given engine channel.
466         *
467         * @param pEngineChannel - engine channel on which audio should be
468         *                         rendered
469         * @param Samples        - amount of sample points to be rendered in
470         *                         this audio fragment cycle
471         */
472      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
473          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
474          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
# Line 451  namespace LinuxSampler { namespace gig { Line 489  namespace LinuxSampler { namespace gig {
489          }          }
490      }      }
491    
492        /**
493         * Render all stolen voices (only voices which were stolen in this
494         * fragment) on the given engine channel. Stolen voices are rendered
495         * after all normal voices have been rendered; this is needed to render
496         * audio of those voices which were selected for voice stealing until
497         * the point were the stealing (that is the take over of the voice)
498         * actually happened.
499         *
500         * @param pEngineChannel - engine channel on which audio should be
501         *                         rendered
502         * @param Samples        - amount of sample points to be rendered in
503         *                         this audio fragment cycle
504         */
505      void Engine::RenderStolenVoices(uint Samples) {      void Engine::RenderStolenVoices(uint Samples) {
506          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();          RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first();
507          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();          RTList<Event>::Iterator end               = pVoiceStealingQueue->end();
# Line 466  namespace LinuxSampler { namespace gig { Line 517  namespace LinuxSampler { namespace gig {
517                  }                  }
518              }              }
519              else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));              else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n"));
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      }      }
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) {      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          {          {
# Line 478  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 488  namespace LinuxSampler { namespace gig { Line 551  namespace LinuxSampler { namespace gig {
551                          }                          }
552                      }                      }
553                  }                  }
554                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
555              }              }
556          }          }
557    
# Line 523  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 549  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 575  namespace LinuxSampler { namespace gig { Line 640  namespace LinuxSampler { namespace gig {
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++;          pKey->RoundRobinIndex++;
648      }      }
649    
# Line 595  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              // first, get total amount of required voices (dependant on amount of layers)                  // first, get total amount of required voices (dependant on amount of layers)
674              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
675              if (pRegion) {                  if (pRegion) {
676                  int voicesRequired = pRegion->Layers;                      int voicesRequired = pRegion->Layers;
677                  // now launch the required amount of voices  
678                  for (int i = 0; i < voicesRequired; i++)                      // MIDI note-on velocity is used instead of note-off velocity
679                      LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                      itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity;
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              pKey->ReleaseTrigger = false;  
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 682  namespace LinuxSampler { namespace gig { Line 759  namespace LinuxSampler { namespace gig {
759              }              }
760          }          }
761          else if (VoiceStealing) {          else if (VoiceStealing) {
   
762              // try to steal one voice              // try to steal one voice
763              StealVoice(pEngineChannel, itNoteOnEvent);              int result = StealVoice(pEngineChannel, itNoteOnEvent);
764                if (!result) { // voice stolen successfully
765              // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died                  // put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died
766              RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();                  RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend();
767              if (itStealEvent) {                  if (itStealEvent) {
768                  *itStealEvent = *itNoteOnEvent; // copy event                      *itStealEvent = *itNoteOnEvent; // copy event
769                  itStealEvent->Param.Note.Layer = iLayer;                      itStealEvent->Param.Note.Layer = iLayer;
770                  itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;                      itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice;
771                        pKey->VoiceTheftsQueued++;
772                    }
773                    else dmsg(1,("Voice stealing queue full!\n"));
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 707  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) {          if (!VoiceTheftsLeft) {
792              dmsg(1,("Max. voice thefts per audio fragment reached (you may raise MAX_AUDIO_VOICES).\n"));              dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n"));
793              return;              return -1;
794          }          }
795          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
796    
797              RTList<Voice>::Iterator itSelectedVoice;              RTList<Voice>::Iterator itSelectedVoice;
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_oldestvoiceonkey: {                  case voice_steal_algo_oldestvoiceonkey: {
                 #if 0 // FIXME: broken  
807                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
808                      if (this->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
809                          itSelectedVoice = this->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
810                          ++itSelectedVoice;                      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;
                         itSelectedVoice = pSelectedKey->pActiveVoices->first();  
                     }  
                     if (itSelectedVoice) {  
                         iuiSelectedKey = pSelectedKey->itSelf;  
                         break; // selection succeeded  
                     }  
                 #endif  
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                    // from the same engine channel
817                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)
818                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
819                      if (this->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
# Line 764  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              // steal oldest voice on the oldest key from this or any other engine channel              // if we couldn't steal a voice from the same engine channel then
844                // steal oldest voice on the oldest key from any other engine channel
845              if (!itSelectedVoice) {              if (!itSelectedVoice) {
846                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;
847                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;
# Line 786  namespace LinuxSampler { namespace gig { Line 859  namespace LinuxSampler { namespace gig {
859                  }                  }
860              }              }
861    
862              //FIXME: can be removed, just a sanity check for debugging              #if CONFIG_DEVMODE
863              if (!itSelectedVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));              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              itSelectedVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
# Line 796  namespace LinuxSampler { namespace gig { Line 873  namespace LinuxSampler { namespace gig {
873              itLastStolenVoice = itSelectedVoice;              itLastStolenVoice = itSelectedVoice;
874    
875              --VoiceTheftsLeft;              --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 856  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            pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
943    
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              case 7: { // volume
949                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
950                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;
951                  break;                  break;
952              }              }
953              case 10: { // panpot              case 10: { // panpot
954                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
955                  const int pan = (int) itControlChangeEvent->Param.CC.Value - 64;                  const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;
956                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;
957                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;
958                  break;                  break;
959              }              }
960              case 64: { // sustain              case 64: { // sustain
961                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {                  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(pEngineChannel->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 934  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 946  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 1003  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 1046  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 1054  namespace LinuxSampler { namespace gig { Line 1203  namespace LinuxSampler { namespace gig {
1203      }      }
1204    
1205      String Engine::Version() {      String Engine::Version() {
1206          String s = "$Revision: 1.32 $";          String s = "$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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