/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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revision 473 by schoenebeck, Thu Mar 17 20:13:08 2005 UTC revision 903 by persson, Sat Jul 22 14:22:53 2006 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 Christian Schoenebeck                              *   *   Copyright (C) 2005, 2006 Christian Schoenebeck                        *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 29  Line 29 
29    
30  #include "Engine.h"  #include "Engine.h"
31    
 #if defined(__APPLE__)  
 # include <stdlib.h>  
 #else  
 # include <malloc.h>  
 #endif  
   
32  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
33    
34      InstrumentResourceManager Engine::instruments;      InstrumentResourceManager Engine::instruments;
# Line 103  namespace LinuxSampler { namespace gig { Line 97  namespace LinuxSampler { namespace gig {
97          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
98          pDiskThread        = NULL;          pDiskThread        = NULL;
99          pEventGenerator    = NULL;          pEventGenerator    = NULL;
100          pSysexBuffer       = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0);          pSysexBuffer       = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0);
101          pEventQueue        = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue        = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
102          pEventPool         = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT);          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
103          pVoicePool         = new Pool<Voice>(MAX_AUDIO_VOICES);          pVoicePool         = new Pool<Voice>(CONFIG_MAX_VOICES);
104          pVoiceStealingQueue = new RTList<Event>(pEventPool);          pVoiceStealingQueue = new RTList<Event>(pEventPool);
105          pGlobalEvents      = new RTList<Event>(pEventPool);          pGlobalEvents      = new RTList<Event>(pEventPool);
106          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 114  namespace LinuxSampler { namespace gig { Line 108  namespace LinuxSampler { namespace gig {
108          }          }
109          pVoicePool->clear();          pVoicePool->clear();
110    
         pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected  
         pBasicFilterParameters  = NULL;  
         pMainFilterParameters   = NULL;  
   
111          ResetInternal();          ResetInternal();
112            ResetScaleTuning();
113      }      }
114    
115      /**      /**
116       * Destructor       * Destructor
117       */       */
118      Engine::~Engine() {      Engine::~Engine() {
119            MidiInputPort::RemoveSysexListener(this);
120          if (pDiskThread) {          if (pDiskThread) {
121              dmsg(1,("Stopping disk thread..."));              dmsg(1,("Stopping disk thread..."));
122              pDiskThread->StopThread();              pDiskThread->StopThread();
# Line 138  namespace LinuxSampler { namespace gig { Line 130  namespace LinuxSampler { namespace gig {
130              delete pVoicePool;              delete pVoicePool;
131          }          }
132          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
         if (pMainFilterParameters) delete[] pMainFilterParameters;  
         if (pBasicFilterParameters) delete[] pBasicFilterParameters;  
         if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);  
133          if (pVoiceStealingQueue) delete pVoiceStealingQueue;          if (pVoiceStealingQueue) delete pVoiceStealingQueue;
134          if (pSysexBuffer) delete pSysexBuffer;          if (pSysexBuffer) delete pSysexBuffer;
135          EngineFactory::Destroy(this);          EngineFactory::Destroy(this);
# Line 171  namespace LinuxSampler { namespace gig { Line 160  namespace LinuxSampler { namespace gig {
160      void Engine::Reset() {      void Engine::Reset() {
161          DisableAndLock();          DisableAndLock();
162          ResetInternal();          ResetInternal();
163            ResetScaleTuning();
164          Enable();          Enable();
165      }      }
166    
167      /**      /**
168       *  Reset all voices and disk thread and clear input event queue and all       *  Reset all voices and disk thread and clear input event queue and all
169       *  control and status variables. This method is not thread safe!       *  control and status variables. This method is protected by a mutex.
170       */       */
171      void Engine::ResetInternal() {      void Engine::ResetInternal() {
172            ResetInternalMutex.Lock();
173    
174            // make sure that the engine does not get any sysex messages
175            // while it's reseting
176            bool sysexDisabled = MidiInputPort::RemoveSysexListener(this);
177          ActiveVoiceCount    = 0;          ActiveVoiceCount    = 0;
178          ActiveVoiceCountMax = 0;          ActiveVoiceCountMax = 0;
179    
180          // reset voice stealing parameters          // reset voice stealing parameters
181          pVoiceStealingQueue->clear();          pVoiceStealingQueue->clear();
182          itLastStolenVoice  = RTList<Voice>::Iterator();          itLastStolenVoice          = RTList<Voice>::Iterator();
183          iuiLastStolenKey   = RTList<uint>::Iterator();          itLastStolenVoiceGlobally  = RTList<Voice>::Iterator();
184          pLastStolenChannel = NULL;          iuiLastStolenKey           = RTList<uint>::Iterator();
185            iuiLastStolenKeyGlobally   = RTList<uint>::Iterator();
186          // reset to normal chromatic scale (means equal temper)          pLastStolenChannel         = NULL;
         memset(&ScaleTuning[0], 0x00, 12);  
187    
188          // reset all voices          // reset all voices
189          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 202  namespace LinuxSampler { namespace gig { Line 196  namespace LinuxSampler { namespace gig {
196    
197          // delete all input events          // delete all input events
198          pEventQueue->init();          pEventQueue->init();
199            pSysexBuffer->init();
200            if (sysexDisabled) MidiInputPort::AddSysexListener(this);
201            ResetInternalMutex.Unlock();
202        }
203    
204        /**
205         * Reset to normal, chromatic scale (means equal tempered).
206         */
207        void Engine::ResetScaleTuning() {
208            memset(&ScaleTuning[0], 0x00, 12);
209      }      }
210    
211      /**      /**
# Line 224  namespace LinuxSampler { namespace gig { Line 228  namespace LinuxSampler { namespace gig {
228          }          }
229          catch (AudioOutputException e) {          catch (AudioOutputException e) {
230              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();
231              throw LinuxSamplerException(msg);              throw Exception(msg);
232          }          }
233    
234          this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle();          this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle();
235          this->SampleRate         = pAudioOutputDevice->SampleRate();          this->SampleRate         = pAudioOutputDevice->SampleRate();
236    
237          // FIXME: audio drivers with varying fragment sizes might be a problem here          // FIXME: audio drivers with varying fragment sizes might be a problem here
238          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1;          MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1;
239          if (MaxFadeOutPos < 0)          if (MaxFadeOutPos < 0) {
240              throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!");              std::cerr << "gig::Engine: WARNING, CONFIG_EG_MIN_RELEASE_TIME "
241                          << "too big for current audio fragment size & sampling rate! "
242                          << "May lead to click sounds if voice stealing chimes in!\n" << std::flush;
243                // force volume ramp downs at the beginning of each fragment
244                MaxFadeOutPos = 0;
245                // lower minimum release time
246                const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;
247                for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
248                    iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate);
249                }
250                pVoicePool->clear();
251            }
252    
253          // (re)create disk thread          // (re)create disk thread
254          if (this->pDiskThread) {          if (this->pDiskThread) {
# Line 242  namespace LinuxSampler { namespace gig { Line 257  namespace LinuxSampler { namespace gig {
257              delete this->pDiskThread;              delete this->pDiskThread;
258              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
259          }          }
260          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
261          if (!pDiskThread) {          if (!pDiskThread) {
262              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
263              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 258  namespace LinuxSampler { namespace gig { Line 273  namespace LinuxSampler { namespace gig {
273          if (pEventGenerator) delete pEventGenerator;          if (pEventGenerator) delete pEventGenerator;
274          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());          pEventGenerator = new EventGenerator(pAudioOut->SampleRate());
275    
         // (re)allocate synthesis parameter matrix  
         if (pSynthesisParameters[0]) free(pSynthesisParameters[0]);  
   
         #if defined(__APPLE__)  
         pSynthesisParameters[0] = (float *) malloc(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle());  
         #else  
         pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle()));  
         #endif  
         for (int dst = 1; dst < Event::destination_count; dst++)  
             pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle();  
   
         // (re)allocate biquad filter parameter sequence  
         if (pBasicFilterParameters) delete[] pBasicFilterParameters;  
         if (pMainFilterParameters)  delete[] pMainFilterParameters;  
         pBasicFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()];  
         pMainFilterParameters  = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()];  
   
276          dmsg(1,("Starting disk thread..."));          dmsg(1,("Starting disk thread..."));
277          pDiskThread->StartThread();          pDiskThread->StartThread();
278          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
# Line 352  namespace LinuxSampler { namespace gig { Line 350  namespace LinuxSampler { namespace gig {
350          // 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)
351          pEventGenerator->UpdateFragmentTime(Samples);          pEventGenerator->UpdateFragmentTime(Samples);
352    
353            // We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned
354            // in each audio fragment. All subsequent request for spawning new
355            // voices in the same audio fragment will be ignored.
356            VoiceSpawnsLeft = CONFIG_MAX_VOICES;
357    
358          // 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
359          // (these are usually just SysEx messages)          // (these are usually just SysEx messages)
360          ImportEvents(Samples);          ImportEvents(Samples);
# Line 370  namespace LinuxSampler { namespace gig { Line 373  namespace LinuxSampler { namespace gig {
373              }              }
374          }          }
375    
         // We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen  
         // in each audio fragment. All subsequent request for spawning new  
         // voices in the same audio fragment will be ignored.  
         VoiceTheftsLeft = MAX_AUDIO_VOICES;  
   
376          // reset internal voice counter (just for statistic of active voices)          // reset internal voice counter (just for statistic of active voices)
377          ActiveVoiceCountTemp = 0;          ActiveVoiceCountTemp = 0;
378    
   
379          // handle events on all engine channels          // handle events on all engine channels
380          for (int i = 0; i < engineChannels.size(); i++) {          for (int i = 0; i < engineChannels.size(); i++) {
381              if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded              if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded
# Line 406  namespace LinuxSampler { namespace gig { Line 403  namespace LinuxSampler { namespace gig {
403    
404          // reset voice stealing for the next audio fragment          // reset voice stealing for the next audio fragment
405          pVoiceStealingQueue->clear();          pVoiceStealingQueue->clear();
         itLastStolenVoice  = RTList<Voice>::Iterator();  
         iuiLastStolenKey   = RTList<uint>::Iterator();  
         pLastStolenChannel = NULL;  
406    
407          // just some statistics about this engine instance          // just some statistics about this engine instance
408          ActiveVoiceCount = ActiveVoiceCountTemp;          ActiveVoiceCount = ActiveVoiceCountTemp;
409          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;          if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount;
410    
411            FrameTime += Samples;
412    
413          return 0;          return 0;
414      }      }
415    
# Line 456  namespace LinuxSampler { namespace gig { Line 452  namespace LinuxSampler { namespace gig {
452                  }                  }
453              }              }
454          }          }
455    
456            // reset voice stealing for the next engine channel (or next audio fragment)
457            itLastStolenVoice         = RTList<Voice>::Iterator();
458            itLastStolenVoiceGlobally = RTList<Voice>::Iterator();
459            iuiLastStolenKey          = RTList<uint>::Iterator();
460            iuiLastStolenKeyGlobally  = RTList<uint>::Iterator();
461            pLastStolenChannel        = NULL;
462      }      }
463    
464      /**      /**
# Line 468  namespace LinuxSampler { namespace gig { Line 471  namespace LinuxSampler { namespace gig {
471       *                         this audio fragment cycle       *                         this audio fragment cycle
472       */       */
473      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {      void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) {
474            #if !CONFIG_PROCESS_MUTED_CHANNELS
475            if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
476            #endif
477    
478          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();          RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
479          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();          RTList<uint>::Iterator end    = pEngineChannel->pActiveKeys->end();
480          while (iuiKey != end) { // iterate through all active keys          while (iuiKey != end) { // iterate through all active keys
# Line 506  namespace LinuxSampler { namespace gig { Line 513  namespace LinuxSampler { namespace gig {
513          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
514              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
515              Pool<Voice>::Iterator itNewVoice =              Pool<Voice>::Iterator itNewVoice =
516                  LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false);                  LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false);
517              if (itNewVoice) {              if (itNewVoice) {
518                  itNewVoice->Render(Samples);                  itNewVoice->Render(Samples);
519                  if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active                  if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active
# Line 539  namespace LinuxSampler { namespace gig { Line 546  namespace LinuxSampler { namespace gig {
546                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
547                  ++iuiKey;                  ++iuiKey;
548                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);
549                  #if DEVMODE                  #if CONFIG_DEVMODE
550                  else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)                  else { // just a sanity check for debugging
551                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
552                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
553                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
# Line 549  namespace LinuxSampler { namespace gig { Line 556  namespace LinuxSampler { namespace gig {
556                          }                          }
557                      }                      }
558                  }                  }
559                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
560              }              }
561          }          }
562    
# Line 584  namespace LinuxSampler { namespace gig { Line 591  namespace LinuxSampler { namespace gig {
591                  // finally place sysex event into input event queue                  // finally place sysex event into input event queue
592                  pEventQueue->push(&event);                  pEventQueue->push(&event);
593              }              }
594              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));
595          }          }
596          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
597      }      }
# Line 596  namespace LinuxSampler { namespace gig { Line 603  namespace LinuxSampler { namespace gig {
603       *  @param itNoteOnEvent - key, velocity and time stamp of the event       *  @param itNoteOnEvent - key, velocity and time stamp of the event
604       */       */
605      void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
606            #if !CONFIG_PROCESS_MUTED_CHANNELS
607            if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
608            #endif
609    
610          const int key = itNoteOnEvent->Param.Note.Key;          const int key = itNoteOnEvent->Param.Note.Key;
611            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];
612    
613            // move note on event to the key's own event list
614            RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
615    
616            // if Solo Mode then kill all already active voices
617            if (pEngineChannel->SoloMode) {
618                Pool<uint>::Iterator itYoungestKey = pEngineChannel->pActiveKeys->last();
619                if (itYoungestKey) {
620                    const int iYoungestKey = *itYoungestKey;
621                    const midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[iYoungestKey];
622                    if (pOtherKey->Active) {
623                        // get final portamento position of currently active voice
624                        if (pEngineChannel->PortamentoMode) {
625                            RTList<Voice>::Iterator itVoice = pOtherKey->pActiveVoices->last();
626                            if (itVoice) itVoice->UpdatePortamentoPos(itNoteOnEventOnKeyList);
627                        }
628                        // kill all voices on the (other) key
629                        RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
630                        RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();
631                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
632                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger)
633                                itVoiceToBeKilled->Kill(itNoteOnEventOnKeyList);
634                        }
635                    }
636                }
637                // set this key as 'currently active solo key'
638                pEngineChannel->SoloKey = key;
639            }
640    
641          // Change key dimension value if key is in keyswitching area          // Change key dimension value if key is in keyswitching area
642          {          {
643              const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument;              const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument;
644              if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high)              if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high)
645                  pEngineChannel->CurrentKeyDimension = ((key - pInstrument->DimensionKeyRange.low) * 128) /                  pEngineChannel->CurrentKeyDimension = float(key - pInstrument->DimensionKeyRange.low) /
646                      (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);                      (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);
647          }          }
648    
         midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];  
   
649          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
650            pKey->Velocity   = itNoteOnEventOnKeyList->Param.Note.Velocity;
651            pKey->NoteOnTime = FrameTime + itNoteOnEventOnKeyList->FragmentPos(); // will be used to calculate note length
652    
653          // cancel release process of voices on this key if needed          // cancel release process of voices on this key if needed
654          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
655              RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend();              RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend();
656              if (itCancelReleaseEvent) {              if (itCancelReleaseEvent) {
657                  *itCancelReleaseEvent = *itNoteOnEvent;                  // copy event                  *itCancelReleaseEvent = *itNoteOnEventOnKeyList;         // copy event
658                  itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type                  itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type
659              }              }
660              else dmsg(1,("Event pool emtpy!\n"));              else dmsg(1,("Event pool emtpy!\n"));
661          }          }
662    
         // move note on event to the key's own event list  
         RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);  
   
663          // allocate and trigger new voice(s) for the key          // allocate and trigger new voice(s) for the key
664          {          {
665              // first, get total amount of required voices (dependant on amount of layers)              // first, get total amount of required voices (dependant on amount of layers)
# Line 632  namespace LinuxSampler { namespace gig { Line 668  namespace LinuxSampler { namespace gig {
668                  int voicesRequired = pRegion->Layers;                  int voicesRequired = pRegion->Layers;
669                  // now launch the required amount of voices                  // now launch the required amount of voices
670                  for (int i = 0; i < voicesRequired; i++)                  for (int i = 0; i < voicesRequired; i++)
671                      LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true);                      LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true, true);
672              }              }
673          }          }
674    
# Line 640  namespace LinuxSampler { namespace gig { Line 676  namespace LinuxSampler { namespace gig {
676          if (!pKey->Active && !pKey->VoiceTheftsQueued)          if (!pKey->Active && !pKey->VoiceTheftsQueued)
677              pKey->pEvents->free(itNoteOnEventOnKeyList);              pKey->pEvents->free(itNoteOnEventOnKeyList);
678    
679            if (!pEngineChannel->SoloMode || pEngineChannel->PortamentoPos < 0.0f) pEngineChannel->PortamentoPos = (float) key;
680          pKey->RoundRobinIndex++;          pKey->RoundRobinIndex++;
681      }      }
682    
# Line 653  namespace LinuxSampler { namespace gig { Line 690  namespace LinuxSampler { namespace gig {
690       *  @param itNoteOffEvent - key, velocity and time stamp of the event       *  @param itNoteOffEvent - key, velocity and time stamp of the event
691       */       */
692      void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) {      void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) {
693          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key];          #if !CONFIG_PROCESS_MUTED_CHANNELS
694            if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
695            #endif
696    
697            const int iKey = itNoteOffEvent->Param.Note.Key;
698            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[iKey];
699          pKey->KeyPressed = false; // the MIDI key was now released          pKey->KeyPressed = false; // the MIDI key was now released
700    
         // release voices on this key if needed  
         if (pKey->Active && !pEngineChannel->SustainPedal) {  
             itNoteOffEvent->Type = Event::type_release; // transform event type  
         }  
   
701          // move event to the key's own event list          // move event to the key's own event list
702          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
703    
704          // spawn release triggered voice(s) if needed          bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key);
705          if (pKey->ReleaseTrigger) {  
706              // first, get total amount of required voices (dependant on amount of layers)          // in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any)
707              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);          if (pEngineChannel->SoloMode) { //TODO: this feels like too much code just for handling solo mode :P
708              if (pRegion) {              bool bOtherKeysPressed = false;
709                  int voicesRequired = pRegion->Layers;              if (iKey == pEngineChannel->SoloKey) {
710                  // now launch the required amount of voices                  pEngineChannel->SoloKey = -1;
711                  for (int i = 0; i < voicesRequired; i++)                  // if there's still a key pressed down, respawn a voice (group) on the highest key
712                      LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                  for (int i = 127; i > 0; i--) {
713                        midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[i];
714                        if (pOtherKey->KeyPressed) {
715                            bOtherKeysPressed = true;
716                            // make the other key the new 'currently active solo key'
717                            pEngineChannel->SoloKey = i;
718                            // get final portamento position of currently active voice
719                            if (pEngineChannel->PortamentoMode) {
720                                RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first();
721                                if (itVoice) itVoice->UpdatePortamentoPos(itNoteOffEventOnKeyList);
722                            }
723                            // create a pseudo note on event
724                            RTList<Event>::Iterator itPseudoNoteOnEvent = pOtherKey->pEvents->allocAppend();
725                            if (itPseudoNoteOnEvent) {
726                                // copy event
727                                *itPseudoNoteOnEvent = *itNoteOffEventOnKeyList;
728                                // transform event to a note on event
729                                itPseudoNoteOnEvent->Type                = Event::type_note_on;
730                                itPseudoNoteOnEvent->Param.Note.Key      = i;
731                                itPseudoNoteOnEvent->Param.Note.Velocity = pOtherKey->Velocity;
732                                // allocate and trigger new voice(s) for the other key
733                                {
734                                    // first, get total amount of required voices (dependant on amount of layers)
735                                    ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(i);
736                                    if (pRegion) {
737                                        int voicesRequired = pRegion->Layers;
738                                        // now launch the required amount of voices
739                                        for (int iLayer = 0; iLayer < voicesRequired; iLayer++)
740                                            LaunchVoice(pEngineChannel, itPseudoNoteOnEvent, iLayer, false, true, false);
741                                    }
742                                }
743                                // if neither a voice was spawned or postponed then remove note on event from key again
744                                if (!pOtherKey->Active && !pOtherKey->VoiceTheftsQueued)
745                                    pOtherKey->pEvents->free(itPseudoNoteOnEvent);
746    
747                            } else dmsg(1,("Could not respawn voice, no free event left\n"));
748                            break; // done
749                        }
750                    }
751                }
752                if (bOtherKeysPressed) {
753                    if (pKey->Active) { // kill all voices on this key
754                        bShouldRelease = false; // no need to release, as we kill it here
755                        RTList<Voice>::Iterator itVoiceToBeKilled = pKey->pActiveVoices->first();
756                        RTList<Voice>::Iterator end               = pKey->pActiveVoices->end();
757                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
758                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger)
759                                itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList);
760                        }
761                    }
762                } else pEngineChannel->PortamentoPos = -1.0f;
763            }
764    
765            // if no solo mode (the usual case) or if solo mode and no other key pressed, then release voices on this key if needed
766            if (bShouldRelease) {
767                itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type
768    
769                // spawn release triggered voice(s) if needed
770                if (pKey->ReleaseTrigger) {
771                    // first, get total amount of required voices (dependant on amount of layers)
772                    ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
773                    if (pRegion) {
774                        int voicesRequired = pRegion->Layers;
775    
776                        // MIDI note-on velocity is used instead of note-off velocity
777                        itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity;
778    
779                        // now launch the required amount of voices
780                        for (int i = 0; i < voicesRequired; i++)
781                            LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
782                    }
783                    pKey->ReleaseTrigger = false;
784              }              }
             pKey->ReleaseTrigger = false;  
785          }          }
786    
787          // if neither a voice was spawned or postponed then remove note off event from key again          // if neither a voice was spawned or postponed on this key then remove note off event from key again
788          if (!pKey->Active && !pKey->VoiceTheftsQueued)          if (!pKey->Active && !pKey->VoiceTheftsQueued)
789              pKey->pEvents->free(itNoteOffEventOnKeyList);              pKey->pEvents->free(itNoteOffEventOnKeyList);
790      }      }
791    
792      /**      /**
793       *  Moves pitchbend event from the general (input) event list to the pitch       *  Moves pitchbend event from the general (input) event list to the engine
794       *  event list.       *  channel's event list. It will actually processed later by the
795         *  respective voice.
796       *       *
797       *  @param pEngineChannel - engine channel on which this event occured on       *  @param pEngineChannel - engine channel on which this event occured on
798       *  @param itPitchbendEvent - absolute pitch value and time stamp of the event       *  @param itPitchbendEvent - absolute pitch value and time stamp of the event
799       */       */
800      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
801          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
         itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]);  
802      }      }
803    
804      /**      /**
# Line 709  namespace LinuxSampler { namespace gig { Line 815  namespace LinuxSampler { namespace gig {
815       *  @param VoiceStealing       - if voice stealing should be performed       *  @param VoiceStealing       - if voice stealing should be performed
816       *                               when there is no free voice       *                               when there is no free voice
817       *                               (optional, default = true)       *                               (optional, default = true)
818         *  @param HandleKeyGroupConflicts - if voices should be killed due to a
819         *                                   key group conflict
820       *  @returns pointer to new voice or NULL if there was no free voice or       *  @returns pointer to new voice or NULL if there was no free voice or
821       *           if the voice wasn't triggered (for example when no region is       *           if the voice wasn't triggered (for example when no region is
822       *           defined for the given key).       *           defined for the given key).
823       */       */
824      Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) {      Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts) {
825          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];          int MIDIKey            = itNoteOnEvent->Param.Note.Key;
826            midi_key_info_t* pKey  = &pEngineChannel->pMIDIKeyInfo[MIDIKey];
827            ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(MIDIKey);
828    
829            // if nothing defined for this key
830            if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do
831    
832            // only mark the first voice of a layered voice (group) to be in a
833            // key group, so the layered voices won't kill each other
834            int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0;
835    
836            // handle key group (a.k.a. exclusive group) conflicts
837            if (HandleKeyGroupConflicts) {
838                if (iKeyGroup) { // if this voice / key belongs to a key group
839                    uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup];
840                    if (*ppKeyGroup) { // if there's already an active key in that key group
841                        midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup];
842                        // kill all voices on the (other) key
843                        RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
844                        RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();
845                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
846                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger) {
847                                itVoiceToBeKilled->Kill(itNoteOnEvent);
848                                --VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict
849                            }
850                        }
851                    }
852                }
853            }
854    
855            Voice::type_t VoiceType = Voice::type_normal;
856    
857            // get current dimension values to select the right dimension region
858            //TODO: for stolen voices this dimension region selection block is processed twice, this should be changed
859            //FIXME: controller values for selecting the dimension region here are currently not sample accurate
860            uint DimValues[8] = { 0 };
861            for (int i = pRegion->Dimensions - 1; i >= 0; i--) {
862                switch (pRegion->pDimensionDefinitions[i].dimension) {
863                    case ::gig::dimension_samplechannel:
864                        DimValues[i] = 0; //TODO: we currently ignore this dimension
865                        break;
866                    case ::gig::dimension_layer:
867                        DimValues[i] = iLayer;
868                        break;
869                    case ::gig::dimension_velocity:
870                        DimValues[i] = itNoteOnEvent->Param.Note.Velocity;
871                        break;
872                    case ::gig::dimension_channelaftertouch:
873                        DimValues[i] = pEngineChannel->ControllerTable[128];
874                        break;
875                    case ::gig::dimension_releasetrigger:
876                        VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal;
877                        DimValues[i] = (uint) ReleaseTriggerVoice;
878                        break;
879                    case ::gig::dimension_keyboard:
880                        DimValues[i] = (uint) (pEngineChannel->CurrentKeyDimension * pRegion->pDimensionDefinitions[i].zones);
881                        break;
882                    case ::gig::dimension_roundrobin:
883                        DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on
884                        break;
885                    case ::gig::dimension_random:
886                        RandomSeed   = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator
887                        DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random
888                        break;
889                    case ::gig::dimension_modwheel:
890                        DimValues[i] = pEngineChannel->ControllerTable[1];
891                        break;
892                    case ::gig::dimension_breath:
893                        DimValues[i] = pEngineChannel->ControllerTable[2];
894                        break;
895                    case ::gig::dimension_foot:
896                        DimValues[i] = pEngineChannel->ControllerTable[4];
897                        break;
898                    case ::gig::dimension_portamentotime:
899                        DimValues[i] = pEngineChannel->ControllerTable[5];
900                        break;
901                    case ::gig::dimension_effect1:
902                        DimValues[i] = pEngineChannel->ControllerTable[12];
903                        break;
904                    case ::gig::dimension_effect2:
905                        DimValues[i] = pEngineChannel->ControllerTable[13];
906                        break;
907                    case ::gig::dimension_genpurpose1:
908                        DimValues[i] = pEngineChannel->ControllerTable[16];
909                        break;
910                    case ::gig::dimension_genpurpose2:
911                        DimValues[i] = pEngineChannel->ControllerTable[17];
912                        break;
913                    case ::gig::dimension_genpurpose3:
914                        DimValues[i] = pEngineChannel->ControllerTable[18];
915                        break;
916                    case ::gig::dimension_genpurpose4:
917                        DimValues[i] = pEngineChannel->ControllerTable[19];
918                        break;
919                    case ::gig::dimension_sustainpedal:
920                        DimValues[i] = pEngineChannel->ControllerTable[64];
921                        break;
922                    case ::gig::dimension_portamento:
923                        DimValues[i] = pEngineChannel->ControllerTable[65];
924                        break;
925                    case ::gig::dimension_sostenutopedal:
926                        DimValues[i] = pEngineChannel->ControllerTable[66];
927                        break;
928                    case ::gig::dimension_softpedal:
929                        DimValues[i] = pEngineChannel->ControllerTable[67];
930                        break;
931                    case ::gig::dimension_genpurpose5:
932                        DimValues[i] = pEngineChannel->ControllerTable[80];
933                        break;
934                    case ::gig::dimension_genpurpose6:
935                        DimValues[i] = pEngineChannel->ControllerTable[81];
936                        break;
937                    case ::gig::dimension_genpurpose7:
938                        DimValues[i] = pEngineChannel->ControllerTable[82];
939                        break;
940                    case ::gig::dimension_genpurpose8:
941                        DimValues[i] = pEngineChannel->ControllerTable[83];
942                        break;
943                    case ::gig::dimension_effect1depth:
944                        DimValues[i] = pEngineChannel->ControllerTable[91];
945                        break;
946                    case ::gig::dimension_effect2depth:
947                        DimValues[i] = pEngineChannel->ControllerTable[92];
948                        break;
949                    case ::gig::dimension_effect3depth:
950                        DimValues[i] = pEngineChannel->ControllerTable[93];
951                        break;
952                    case ::gig::dimension_effect4depth:
953                        DimValues[i] = pEngineChannel->ControllerTable[94];
954                        break;
955                    case ::gig::dimension_effect5depth:
956                        DimValues[i] = pEngineChannel->ControllerTable[95];
957                        break;
958                    case ::gig::dimension_none:
959                        std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush;
960                        break;
961                    default:
962                        std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush;
963                }
964            }
965            ::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);
966    
967            // no need to continue if sample is silent
968            if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator();
969    
970          // allocate a new voice for the key          // allocate a new voice for the key
971          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();
972          if (itNewVoice) {          if (itNewVoice) {
973              // launch the new voice              // launch the new voice
974              if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) {              if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) {
975                  dmsg(4,("Voice not triggered\n"));                  dmsg(4,("Voice not triggered\n"));
976                  pKey->pActiveVoices->free(itNewVoice);                  pKey->pActiveVoices->free(itNewVoice);
977              }              }
978              else { // on success              else { // on success
979                  uint** ppKeyGroup = NULL;                  --VoiceSpawnsLeft;
                 if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group  
                     ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];  
                     if (*ppKeyGroup) { // if there's already an active key in that key group  
                         midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup];  
                         // kill all voices on the (other) key  
                         RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();  
                         RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();  
                         for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {  
                             if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent);  
                         }  
                     }  
                 }  
980                  if (!pKey->Active) { // mark as active key                  if (!pKey->Active) { // mark as active key
981                      pKey->Active = true;                      pKey->Active = true;
982                      pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend();                      pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend();
983                      *pKey->itSelf = itNoteOnEvent->Param.Note.Key;                      *pKey->itSelf = itNoteOnEvent->Param.Note.Key;
984                  }                  }
985                  if (itNewVoice->KeyGroup) {                  if (itNewVoice->KeyGroup) {
986                        uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];
987                      *ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group                      *ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group
988                  }                  }
989                  if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)                  if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)
# Line 780  namespace LinuxSampler { namespace gig { Line 1020  namespace LinuxSampler { namespace gig {
1020       *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing       *  @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing
1021       */       */
1022      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
1023          if (!VoiceTheftsLeft) {          if (VoiceSpawnsLeft <= 0) {
1024              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"));
1025              return -1;              return -1;
1026          }          }
1027          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
# Line 789  namespace LinuxSampler { namespace gig { Line 1029  namespace LinuxSampler { namespace gig {
1029              RTList<Voice>::Iterator itSelectedVoice;              RTList<Voice>::Iterator itSelectedVoice;
1030    
1031              // Select one voice for voice stealing              // Select one voice for voice stealing
1032              switch (VOICE_STEAL_ALGORITHM) {              switch (CONFIG_VOICE_STEAL_ALGO) {
1033    
1034                  // try to pick the oldest voice on the key where the new                  // try to pick the oldest voice on the key where the new
1035                  // voice should be spawned, if there is no voice on that                  // voice should be spawned, if there is no voice on that
1036                  // key, or no voice left to kill there, then procceed with                  // key, or no voice left to kill, then procceed with
1037                  // 'oldestkey' algorithm                  // 'oldestkey' algorithm
1038                  case voice_steal_algo_oldestvoiceonkey: {                  case voice_steal_algo_oldestvoiceonkey: {
                 #if 0 // FIXME: broken  
1039                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
1040                      if (this->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
1041                          itSelectedVoice = this->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
1042                          ++itSelectedVoice;                      while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
1043                      }                      // if we haven't found a voice then proceed with algorithm 'oldestkey'
1044                      else { // no voice stolen in this audio fragment cycle yet                      if (itSelectedVoice && itSelectedVoice->IsStealable()) break;
                         itSelectedVoice = pSelectedKey->pActiveVoices->first();  
                     }  
                     if (itSelectedVoice) {  
                         iuiSelectedKey = pSelectedKey->itSelf;  
                         break; // selection succeeded  
                     }  
                 #endif  
1045                  } // no break - intentional !                  } // no break - intentional !
1046    
1047                  // try to pick the oldest voice on the oldest active key                  // try to pick the oldest voice on the oldest active key
1048                    // from the same engine channel
1049                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)
1050                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
1051                        // if we already stole in this fragment, try to proceed on same key
1052                      if (this->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
1053                          itSelectedVoice = this->itLastStolenVoice;                          itSelectedVoice = this->itLastStolenVoice;
1054                          ++itSelectedVoice;                          do {
1055                          if (itSelectedVoice) break; // selection succeeded                              ++itSelectedVoice;
1056                          RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey;                          } while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle
1057                          ++iuiSelectedKey;                          // found a "stealable" voice ?
1058                          if (iuiSelectedKey) {                          if (itSelectedVoice && itSelectedVoice->IsStealable()) {
1059                              this->iuiLastStolenKey = iuiSelectedKey;                              // remember which voice we stole, so we can simply proceed on next voice stealing
1060                              midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];                              this->itLastStolenVoice = itSelectedVoice;
1061                              itSelectedVoice = pSelectedKey->pActiveVoices->first();                              break; // selection succeeded
1062                            }
1063                        }
1064                        // get (next) oldest key
1065                        RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first();
1066                        while (iuiSelectedKey) {
1067                            midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey];
1068                            itSelectedVoice = pSelectedKey->pActiveVoices->first();
1069                            // proceed iterating if voice was created in this fragment cycle
1070                            while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
1071                            // found a "stealable" voice ?
1072                            if (itSelectedVoice && itSelectedVoice->IsStealable()) {
1073                                // remember which voice on which key we stole, so we can simply proceed on next voice stealing
1074                                this->iuiLastStolenKey  = iuiSelectedKey;
1075                                this->itLastStolenVoice = itSelectedVoice;
1076                              break; // selection succeeded                              break; // selection succeeded
1077                          }                          }
1078                            ++iuiSelectedKey; // get next oldest key
1079                      }                      }
1080                      break;                      break;
1081                  }                  }
# Line 839  namespace LinuxSampler { namespace gig { Line 1088  namespace LinuxSampler { namespace gig {
1088                  }                  }
1089              }              }
1090    
1091              // 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
1092              if (!itSelectedVoice) {              // steal oldest voice on the oldest key from any other engine channel
1093                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;              // (the smaller engine channel number, the higher priority)
1094                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;              if (!itSelectedVoice || !itSelectedVoice->IsStealable()) {
1095                  while (true) {                  EngineChannel* pSelectedChannel;
1096                      RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first();                  int            iChannelIndex;
1097                      if (iuiSelectedKey) {                  // select engine channel
1098                    if (pLastStolenChannel) {
1099                        pSelectedChannel = pLastStolenChannel;
1100                        iChannelIndex    = pSelectedChannel->iEngineIndexSelf;
1101                    } else { // pick the engine channel followed by this engine channel
1102                        iChannelIndex    = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size();
1103                        pSelectedChannel = engineChannels[iChannelIndex];
1104                    }
1105    
1106                    // if we already stole in this fragment, try to proceed on same key
1107                    if (this->itLastStolenVoiceGlobally) {
1108                        itSelectedVoice = this->itLastStolenVoiceGlobally;
1109                        do {
1110                            ++itSelectedVoice;
1111                        } while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle
1112                    }
1113    
1114                    #if CONFIG_DEVMODE
1115                    EngineChannel* pBegin = pSelectedChannel; // to detect endless loop
1116                    #endif // CONFIG_DEVMODE
1117    
1118                    // did we find a 'stealable' voice?
1119                    if (itSelectedVoice && itSelectedVoice->IsStealable()) {
1120                        // remember which voice we stole, so we can simply proceed on next voice stealing
1121                        this->itLastStolenVoiceGlobally = itSelectedVoice;
1122                    } else while (true) { // iterate through engine channels
1123                        // get (next) oldest key
1124                        RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first();
1125                        this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above)
1126                        while (iuiSelectedKey) {
1127                          midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];                          midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey];
1128                          itSelectedVoice    = pSelectedKey->pActiveVoices->first();                          itSelectedVoice = pSelectedKey->pActiveVoices->first();
1129                          iuiLastStolenKey   = iuiSelectedKey;                          // proceed iterating if voice was created in this fragment cycle
1130                          pLastStolenChannel = pSelectedChannel;                          while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice;
1131                          break; // selection succeeded                          // found a "stealable" voice ?
1132                            if (itSelectedVoice && itSelectedVoice->IsStealable()) {
1133                                // remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing
1134                                this->iuiLastStolenKeyGlobally  = iuiSelectedKey;
1135                                this->itLastStolenVoiceGlobally = itSelectedVoice;
1136                                this->pLastStolenChannel        = pSelectedChannel;
1137                                goto stealable_voice_found; // selection succeeded
1138                            }
1139                            ++iuiSelectedKey; // get next key on current engine channel
1140                      }                      }
1141                        // get next engine channel
1142                      iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();                      iChannelIndex    = (iChannelIndex + 1) % engineChannels.size();
1143                      pSelectedChannel =  engineChannels[iChannelIndex];                      pSelectedChannel = engineChannels[iChannelIndex];
1144    
1145                        #if CONFIG_DEVMODE
1146                        if (pSelectedChannel == pBegin) {
1147                            dmsg(1,("FATAL ERROR: voice stealing endless loop!\n"));
1148                            dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft));
1149                            dmsg(1,("Exiting.\n"));
1150                            exit(-1);
1151                        }
1152                        #endif // CONFIG_DEVMODE
1153                  }                  }
1154              }              }
1155    
1156              //FIXME: can be removed, just a sanity check for debugging              // jump point if a 'stealable' voice was found
1157                stealable_voice_found:
1158    
1159                #if CONFIG_DEVMODE
1160              if (!itSelectedVoice->IsActive()) {              if (!itSelectedVoice->IsActive()) {
1161                  dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));                  dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n"));
1162                  return -1;                  return -1;
1163              }              }
1164                #endif // CONFIG_DEVMODE
1165    
1166              // now kill the selected voice              // now kill the selected voice
1167              itSelectedVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
1168    
1169              // remember which voice we stole, so we can simply proceed for the next voice stealing              --VoiceSpawnsLeft;
             itLastStolenVoice = itSelectedVoice;  
   
             --VoiceTheftsLeft;  
1170    
1171              return 0; // success              return 0; // success
1172          }          }
# Line 938  namespace LinuxSampler { namespace gig { Line 1235  namespace LinuxSampler { namespace gig {
1235          // update controller value in the engine channel's controller table          // update controller value in the engine channel's controller table
1236          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
1237    
1238          // move event from the unsorted event list to the control change event list          switch (itControlChangeEvent->Param.CC.Controller) {
1239          Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents);              case 5: { // portamento time
1240                    pEngineChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN;
1241          switch (itControlChangeEventOnCCList->Param.CC.Controller) {                  break;
1242                }
1243              case 7: { // volume              case 7: { // volume
1244                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1245                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value] *  CONFIG_GLOBAL_ATTENUATION;
1246                    pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1247                  break;                  break;
1248              }              }
1249              case 10: { // panpot              case 10: { // panpot
1250                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1251                  const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;                  pEngineChannel->GlobalPanLeft  = PanCurve[128 - itControlChangeEvent->Param.CC.Value];
1252                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;                  pEngineChannel->GlobalPanRight = PanCurve[itControlChangeEvent->Param.CC.Value];
                 pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;  
1253                  break;                  break;
1254              }              }
1255              case 64: { // sustain              case 64: { // sustain
1256                  if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {
1257                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("DAMPER (RIGHT) PEDAL DOWN\n"));
1258                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
1259    
1260                        #if !CONFIG_PROCESS_MUTED_CHANNELS
1261                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1262                        #endif
1263    
1264                      // cancel release process of voices if necessary                      // cancel release process of voices if necessary
1265                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1266                      for (; iuiKey; ++iuiKey) {                      for (; iuiKey; ++iuiKey) {
# Line 966  namespace LinuxSampler { namespace gig { Line 1268  namespace LinuxSampler { namespace gig {
1268                          if (!pKey->KeyPressed) {                          if (!pKey->KeyPressed) {
1269                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1270                              if (itNewEvent) {                              if (itNewEvent) {
1271                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list                                  *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1272                                  itNewEvent->Type = Event::type_cancel_release; // transform event type                                  itNewEvent->Type = Event::type_cancel_release; // transform event type
1273                              }                              }
1274                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
1275                          }                          }
1276                      }                      }
1277                  }                  }
1278                  if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {                  if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {
1279                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("DAMPER (RIGHT) PEDAL UP\n"));
1280                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
1281    
1282                        #if !CONFIG_PROCESS_MUTED_CHANNELS
1283                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1284                        #endif
1285    
1286                      // release voices if their respective key is not pressed                      // release voices if their respective key is not pressed
1287                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1288                      for (; iuiKey; ++iuiKey) {                      for (; iuiKey; ++iuiKey) {
1289                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1290                          if (!pKey->KeyPressed) {                          if (!pKey->KeyPressed && ShouldReleaseVoice(pEngineChannel, *iuiKey)) {
1291                                RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1292                                if (itNewEvent) {
1293                                    *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1294                                    itNewEvent->Type = Event::type_release; // transform event type
1295                                }
1296                                else dmsg(1,("Event pool emtpy!\n"));
1297                            }
1298                        }
1299                    }
1300                    break;
1301                }
1302                case 65: { // portamento on / off
1303                    KillAllVoices(pEngineChannel, itControlChangeEvent);
1304                    pEngineChannel->PortamentoMode = itControlChangeEvent->Param.CC.Value >= 64;
1305                    break;
1306                }
1307                case 66: { // sostenuto
1308                    if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SostenutoPedal) {
1309                        dmsg(4,("SOSTENUTO (CENTER) PEDAL DOWN\n"));
1310                        pEngineChannel->SostenutoPedal = true;
1311    
1312                        #if !CONFIG_PROCESS_MUTED_CHANNELS
1313                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1314                        #endif
1315    
1316                        SostenutoKeyCount = 0;
1317                        // Remeber the pressed keys
1318                        RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1319                        for (; iuiKey; ++iuiKey) {
1320                            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1321                            if (pKey->KeyPressed && SostenutoKeyCount < 128) SostenutoKeys[SostenutoKeyCount++] = *iuiKey;
1322                        }
1323                    }
1324                    if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SostenutoPedal) {
1325                        dmsg(4,("SOSTENUTO (CENTER) PEDAL UP\n"));
1326                        pEngineChannel->SostenutoPedal = false;
1327    
1328                        #if !CONFIG_PROCESS_MUTED_CHANNELS
1329                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1330                        #endif
1331    
1332                        // release voices if the damper pedal is up and their respective key is not pressed
1333                        for (int i = 0; i < SostenutoKeyCount; i++) {
1334                            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[SostenutoKeys[i]];
1335                            if (!pKey->KeyPressed && !pEngineChannel->SustainPedal) {
1336                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1337                              if (itNewEvent) {                              if (itNewEvent) {
1338                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list                                  *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1339                                  itNewEvent->Type = Event::type_release; // transform event type                                  itNewEvent->Type = Event::type_release; // transform event type
1340                              }                              }
1341                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
# Line 998  namespace LinuxSampler { namespace gig { Line 1349  namespace LinuxSampler { namespace gig {
1349              // Channel Mode Messages              // Channel Mode Messages
1350    
1351              case 120: { // all sound off              case 120: { // all sound off
1352                  KillAllVoices(pEngineChannel, itControlChangeEventOnCCList);                  KillAllVoices(pEngineChannel, itControlChangeEvent);
1353                  break;                  break;
1354              }              }
1355              case 121: { // reset all controllers              case 121: { // reset all controllers
# Line 1006  namespace LinuxSampler { namespace gig { Line 1357  namespace LinuxSampler { namespace gig {
1357                  break;                  break;
1358              }              }
1359              case 123: { // all notes off              case 123: { // all notes off
1360                  ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList);                  #if CONFIG_PROCESS_ALL_NOTES_OFF
1361                    ReleaseAllVoices(pEngineChannel, itControlChangeEvent);
1362                    #endif // CONFIG_PROCESS_ALL_NOTES_OFF
1363                    break;
1364                }
1365                case 126: { // mono mode on
1366                    KillAllVoices(pEngineChannel, itControlChangeEvent);
1367                    pEngineChannel->SoloMode = true;
1368                    break;
1369                }
1370                case 127: { // poly mode on
1371                    KillAllVoices(pEngineChannel, itControlChangeEvent);
1372                    pEngineChannel->SoloMode = false;
1373                  break;                  break;
1374              }              }
1375          }          }
# Line 1027  namespace LinuxSampler { namespace gig { Line 1390  namespace LinuxSampler { namespace gig {
1390    
1391          switch (id) {          switch (id) {
1392              case 0x41: { // Roland              case 0x41: { // Roland
1393                    dmsg(3,("Roland Sysex\n"));
1394                  uint8_t device_id, model_id, cmd_id;                  uint8_t device_id, model_id, cmd_id;
1395                  if (!reader.pop(&device_id)) goto free_sysex_data;                  if (!reader.pop(&device_id)) goto free_sysex_data;
1396                  if (!reader.pop(&model_id))  goto free_sysex_data;                  if (!reader.pop(&model_id))  goto free_sysex_data;
# Line 1039  namespace LinuxSampler { namespace gig { Line 1403  namespace LinuxSampler { namespace gig {
1403                  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
1404                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1405                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1406                        dmsg(3,("\tSystem Parameter\n"));
1407                  }                  }
1408                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1409                        dmsg(3,("\tCommon Parameter\n"));
1410                  }                  }
1411                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
1412                      switch (addr[3]) {                      dmsg(3,("\tPart Parameter\n"));
1413                        switch (addr[2]) {
1414                          case 0x40: { // scale tuning                          case 0x40: { // scale tuning
1415                                dmsg(3,("\t\tScale Tuning\n"));
1416                              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
1417                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
1418                              uint8_t checksum;                              uint8_t checksum;
1419                              if (!reader.pop(&checksum))                      goto free_sysex_data;                              if (!reader.pop(&checksum)) goto free_sysex_data;
1420                              if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;                              #if CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1421                                if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data;
1422                                #endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1423                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
1424                              AdjustScale((int8_t*) scale_tunes);                              AdjustScale((int8_t*) scale_tunes);
1425                                dmsg(3,("\t\t\tNew scale applied.\n"));
1426                              break;                              break;
1427                          }                          }
1428                      }                      }
# Line 1136  namespace LinuxSampler { namespace gig { Line 1507  namespace LinuxSampler { namespace gig {
1507              RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();              RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
1508              for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key              for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
1509                  itVoice->Kill(itKillEvent);                  itVoice->Kill(itKillEvent);
1510                    --VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead
1511              }              }
1512          }          }
1513      }      }
1514    
1515      /**      /**
1516       * Initialize the parameter sequence for the modulation destination given by       * Determines whether the specified voice should be released.
1517       * by 'dst' with the constant value given by val.       *
1518         * @param pEngineChannel - The engine channel on which the voice should be checked
1519         * @param Key - The key number
1520         * @returns true if the specified should be released, false otherwise.
1521       */       */
1522      void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) {      bool Engine::ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key) {
1523          int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle();          if (pEngineChannel->SustainPedal) return false;
1524          float* m = &pSynthesisParameters[dst][0];  
1525          for (int i = 0; i < maxsamples; i += 4) {          if (pEngineChannel->SostenutoPedal) {
1526             m[i]   = val;              for (int i = 0; i < SostenutoKeyCount; i++)
1527             m[i+1] = val;                  if (Key == SostenutoKeys[i]) return false;
            m[i+2] = val;  
            m[i+3] = val;  
1528          }          }
1529    
1530            return true;
1531      }      }
1532    
1533      uint Engine::VoiceCount() {      uint Engine::VoiceCount() {
# Line 1184  namespace LinuxSampler { namespace gig { Line 1559  namespace LinuxSampler { namespace gig {
1559      }      }
1560    
1561      String Engine::EngineName() {      String Engine::EngineName() {
1562          return "GigEngine";          return LS_GIG_ENGINE_NAME;
1563      }      }
1564    
1565      String Engine::Description() {      String Engine::Description() {
# Line 1192  namespace LinuxSampler { namespace gig { Line 1567  namespace LinuxSampler { namespace gig {
1567      }      }
1568    
1569      String Engine::Version() {      String Engine::Version() {
1570          String s = "$Revision: 1.33 $";          String s = "$Revision: 1.64 $";
1571          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
1572      }      }
1573    
1574        // static constant initializers
1575        const float* Engine::VolumeCurve(InitVolumeCurve());
1576        const float* Engine::PanCurve(InitPanCurve());
1577        const float* Engine::CrossfadeCurve(InitCrossfadeCurve());
1578    
1579        float* Engine::InitVolumeCurve() {
1580            // line-segment approximation
1581            const float segments[] = {
1582                0, 0, 2, 0.0046, 16, 0.016, 31, 0.051, 45, 0.115, 54.5, 0.2,
1583                64.5, 0.39, 74, 0.74, 92, 1.03, 114, 1.94, 119.2, 2.2, 127, 2.2
1584            };
1585            return InitCurve(segments);
1586        }
1587    
1588        float* Engine::InitPanCurve() {
1589            // line-segment approximation
1590            const float segments[] = {
1591                0, 0, 1, 0,
1592                2, 0.05, 31.5, 0.7, 51, 0.851, 74.5, 1.12,
1593                127, 1.41, 128, 1.41
1594            };
1595            return InitCurve(segments, 129);
1596        }
1597    
1598        float* Engine::InitCrossfadeCurve() {
1599            // line-segment approximation
1600            const float segments[] = {
1601                0, 0, 1, 0.03, 10, 0.1, 51, 0.58, 127, 1
1602            };
1603            return InitCurve(segments);
1604        }
1605    
1606        float* Engine::InitCurve(const float* segments, int size) {
1607            float* y = new float[size];
1608            for (int x = 0 ; x < size ; x++) {
1609                if (x > segments[2]) segments += 2;
1610                y[x] = segments[1] + (x - segments[0]) *
1611                    (segments[3] - segments[1]) / (segments[2] - segments[0]);
1612            }
1613            return y;
1614        }
1615    
1616  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig

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