/[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 473 by schoenebeck, Thu Mar 17 20:13:08 2005 UTC revision 563 by schoenebeck, Sun May 22 20:43:32 2005 UTC
# Line 103  namespace LinuxSampler { namespace gig { Line 103  namespace LinuxSampler { namespace gig {
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 231  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 242  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 370  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 539  namespace LinuxSampler { namespace gig { Line 539  namespace LinuxSampler { namespace gig {
539                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                  midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
540                  ++iuiKey;                  ++iuiKey;
541                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);                  if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey);
542                  #if DEVMODE                  #if CONFIG_DEVMODE
543                  else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging)                  else { // just a sanity check for debugging
544                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();                      RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();
545                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();                      RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();
546                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key                      for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key
# Line 549  namespace LinuxSampler { namespace gig { Line 549  namespace LinuxSampler { namespace gig {
549                          }                          }
550                      }                      }
551                  }                  }
552                  #endif // DEVMODE                  #endif // CONFIG_DEVMODE
553              }              }
554          }          }
555    
# Line 584  namespace LinuxSampler { namespace gig { Line 584  namespace LinuxSampler { namespace gig {
584                  // finally place sysex event into input event queue                  // finally place sysex event into input event queue
585                  pEventQueue->push(&event);                  pEventQueue->push(&event);
586              }              }
587              else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE));              else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,CONFIG_SYSEX_BUFFER_SIZE));
588          }          }
589          else dmsg(1,("Engine: Input event queue full!"));          else dmsg(1,("Engine: Input event queue full!"));
590      }      }
# Line 660  namespace LinuxSampler { namespace gig { Line 660  namespace LinuxSampler { namespace gig {
660          // release voices on this key if needed          // release voices on this key if needed
661          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
662              itNoteOffEvent->Type = Event::type_release; // transform event type              itNoteOffEvent->Type = Event::type_release; // transform event type
         }  
663    
664          // move event to the key's own event list              // move event to the key's own event list
665          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);              RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
666    
667          // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
668          if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger) {
669              // first, get total amount of required voices (dependant on amount of layers)                  // first, get total amount of required voices (dependant on amount of layers)
670              ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);                  ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key);
671              if (pRegion) {                  if (pRegion) {
672                  int voicesRequired = pRegion->Layers;                      int voicesRequired = pRegion->Layers;
673                  // now launch the required amount of voices                      // now launch the required amount of voices
674                  for (int i = 0; i < voicesRequired; i++)                      for (int i = 0; i < voicesRequired; i++)
675                      LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                          LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
676                    }
677                    pKey->ReleaseTrigger = false;
678              }              }
             pKey->ReleaseTrigger = false;  
         }  
679    
680          // if neither a voice was spawned or postponed then remove note off event from key again              // if neither a voice was spawned or postponed then remove note off event from key again
681          if (!pKey->Active && !pKey->VoiceTheftsQueued)              if (!pKey->Active && !pKey->VoiceTheftsQueued)
682              pKey->pEvents->free(itNoteOffEventOnKeyList);                  pKey->pEvents->free(itNoteOffEventOnKeyList);
683            }
684      }      }
685    
686      /**      /**
# Line 781  namespace LinuxSampler { namespace gig { Line 781  namespace LinuxSampler { namespace gig {
781       */       */
782      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {      int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) {
783          if (!VoiceTheftsLeft) {          if (!VoiceTheftsLeft) {
784              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"));
785              return -1;              return -1;
786          }          }
787          if (!pEventPool->poolIsEmpty()) {          if (!pEventPool->poolIsEmpty()) {
# Line 789  namespace LinuxSampler { namespace gig { Line 789  namespace LinuxSampler { namespace gig {
789              RTList<Voice>::Iterator itSelectedVoice;              RTList<Voice>::Iterator itSelectedVoice;
790    
791              // Select one voice for voice stealing              // Select one voice for voice stealing
792              switch (VOICE_STEAL_ALGORITHM) {              switch (CONFIG_VOICE_STEAL_ALGO) {
793    
794                  // try to pick the oldest voice on the key where the new                  // try to pick the oldest voice on the key where the new
795                  // voice should be spawned, if there is no voice on that                  // voice should be spawned, if there is no voice on that
796                  // key, or no voice left to kill there, then procceed with                  // key, or no voice left to kill, then procceed with
797                  // 'oldestkey' algorithm                  // 'oldestkey' algorithm
798                  case voice_steal_algo_oldestvoiceonkey: {                  case voice_steal_algo_oldestvoiceonkey: {
                 #if 0 // FIXME: broken  
799                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];                      midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];
800                      if (this->itLastStolenVoice) {                      itSelectedVoice = pSelectedKey->pActiveVoices->first();
801                          itSelectedVoice = this->itLastStolenVoice;                      // proceed iterating if voice was created in this fragment cycle
802                          ++itSelectedVoice;                      while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice;
803                      }                      // if we haven't found a voice then proceed with algorithm 'oldestkey'
804                      else { // no voice stolen in this audio fragment cycle yet                      if (itSelectedVoice && itSelectedVoice->hasRendered()) break;
                         itSelectedVoice = pSelectedKey->pActiveVoices->first();  
                     }  
                     if (itSelectedVoice) {  
                         iuiSelectedKey = pSelectedKey->itSelf;  
                         break; // selection succeeded  
                     }  
                 #endif  
805                  } // no break - intentional !                  } // no break - intentional !
806    
807                  // try to pick the oldest voice on the oldest active key                  // try to pick the oldest voice on the oldest active key
808                    // from the same engine channel
809                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)                  // (caution: must stay after 'oldestvoiceonkey' algorithm !)
810                  case voice_steal_algo_oldestkey: {                  case voice_steal_algo_oldestkey: {
811                      if (this->itLastStolenVoice) {                      if (this->itLastStolenVoice) {
# Line 839  namespace LinuxSampler { namespace gig { Line 832  namespace LinuxSampler { namespace gig {
832                  }                  }
833              }              }
834    
835              // 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
836                // steal oldest voice on the oldest key from any other engine channel
837              if (!itSelectedVoice) {              if (!itSelectedVoice) {
838                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;                  EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel;
839                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;                  int iChannelIndex = pSelectedChannel->iEngineIndexSelf;
# Line 857  namespace LinuxSampler { namespace gig { Line 851  namespace LinuxSampler { namespace gig {
851                  }                  }
852              }              }
853    
854              //FIXME: can be removed, just a sanity check for debugging              #if CONFIG_DEVMODE
855              if (!itSelectedVoice->IsActive()) {              if (!itSelectedVoice->IsActive()) {
856                  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"));
857                  return -1;                  return -1;
858              }              }
859                #endif // CONFIG_DEVMODE
860    
861              // now kill the selected voice              // now kill the selected voice
862              itSelectedVoice->Kill(itNoteOnEvent);              itSelectedVoice->Kill(itNoteOnEvent);
# Line 1027  namespace LinuxSampler { namespace gig { Line 1022  namespace LinuxSampler { namespace gig {
1022    
1023          switch (id) {          switch (id) {
1024              case 0x41: { // Roland              case 0x41: { // Roland
1025                    dmsg(3,("Roland Sysex\n"));
1026                  uint8_t device_id, model_id, cmd_id;                  uint8_t device_id, model_id, cmd_id;
1027                  if (!reader.pop(&device_id)) goto free_sysex_data;                  if (!reader.pop(&device_id)) goto free_sysex_data;
1028                  if (!reader.pop(&model_id))  goto free_sysex_data;                  if (!reader.pop(&model_id))  goto free_sysex_data;
# Line 1039  namespace LinuxSampler { namespace gig { Line 1035  namespace LinuxSampler { namespace gig {
1035                  const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later                  const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later
1036                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1037                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1038                        dmsg(3,("\tSystem Parameter\n"));
1039                  }                  }
1040                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1041                        dmsg(3,("\tCommon Parameter\n"));
1042                  }                  }
1043                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)                  else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1)
1044                      switch (addr[3]) {                      dmsg(3,("\tPart Parameter\n"));
1045                        switch (addr[2]) {
1046                          case 0x40: { // scale tuning                          case 0x40: { // scale tuning
1047                                dmsg(3,("\t\tScale Tuning\n"));
1048                              uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave                              uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave
1049                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;                              if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data;
1050                              uint8_t checksum;                              uint8_t checksum;
1051                              if (!reader.pop(&checksum))                      goto free_sysex_data;                              if (!reader.pop(&checksum)) goto free_sysex_data;
1052                              if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data;                              #if CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1053                                if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data;
1054                                #endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM
1055                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;                              for (int i = 0; i < 12; i++) scale_tunes[i] -= 64;
1056                              AdjustScale((int8_t*) scale_tunes);                              AdjustScale((int8_t*) scale_tunes);
1057                                dmsg(3,("\t\t\tNew scale applied.\n"));
1058                              break;                              break;
1059                          }                          }
1060                      }                      }
# Line 1184  namespace LinuxSampler { namespace gig { Line 1187  namespace LinuxSampler { namespace gig {
1187      }      }
1188    
1189      String Engine::EngineName() {      String Engine::EngineName() {
1190          return "GigEngine";          return LS_GIG_ENGINE_NAME;
1191      }      }
1192    
1193      String Engine::Description() {      String Engine::Description() {
# Line 1192  namespace LinuxSampler { namespace gig { Line 1195  namespace LinuxSampler { namespace gig {
1195      }      }
1196    
1197      String Engine::Version() {      String Engine::Version() {
1198          String s = "$Revision: 1.33 $";          String s = "$Revision: 1.38 $";
1199          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
1200      }      }
1201    
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