/[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 665 by schoenebeck, Sun Jun 19 15:11:20 2005 UTC revision 669 by schoenebeck, Tue Jun 21 13:33:19 2005 UTC
# Line 519  namespace LinuxSampler { namespace gig { Line 519  namespace LinuxSampler { namespace gig {
519          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {          for (; itVoiceStealEvent != end; ++itVoiceStealEvent) {
520              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;              EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel;
521              Pool<Voice>::Iterator itNewVoice =              Pool<Voice>::Iterator itNewVoice =
522                  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);
523              if (itNewVoice) {              if (itNewVoice) {
524                  itNewVoice->Render(Samples);                  itNewVoice->Render(Samples);
525                  if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active                  if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active
# Line 647  namespace LinuxSampler { namespace gig { Line 647  namespace LinuxSampler { namespace gig {
647                  int voicesRequired = pRegion->Layers;                  int voicesRequired = pRegion->Layers;
648                  // now launch the required amount of voices                  // now launch the required amount of voices
649                  for (int i = 0; i < voicesRequired; i++)                  for (int i = 0; i < voicesRequired; i++)
650                      LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true);                      LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true, true);
651              }              }
652          }          }
653    
# Line 691  namespace LinuxSampler { namespace gig { Line 691  namespace LinuxSampler { namespace gig {
691    
692                      // now launch the required amount of voices                      // now launch the required amount of voices
693                      for (int i = 0; i < voicesRequired; i++)                      for (int i = 0; i < voicesRequired; i++)
694                          LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples                          LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples
695                  }                  }
696                  pKey->ReleaseTrigger = false;                  pKey->ReleaseTrigger = false;
697              }              }
# Line 728  namespace LinuxSampler { namespace gig { Line 728  namespace LinuxSampler { namespace gig {
728       *  @param VoiceStealing       - if voice stealing should be performed       *  @param VoiceStealing       - if voice stealing should be performed
729       *                               when there is no free voice       *                               when there is no free voice
730       *                               (optional, default = true)       *                               (optional, default = true)
731         *  @param HandleKeyGroupConflicts - if voices should be killed due to a
732         *                                   key group conflict
733       *  @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
734       *           if the voice wasn't triggered (for example when no region is       *           if the voice wasn't triggered (for example when no region is
735       *           defined for the given key).       *           defined for the given key).
736       */       */
737      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) {
738          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key];          int MIDIKey            = itNoteOnEvent->Param.Note.Key;
739            midi_key_info_t* pKey  = &pEngineChannel->pMIDIKeyInfo[MIDIKey];
740            ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(MIDIKey);
741    
742            // if nothing defined for this key
743            if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do
744    
745            // only mark the first voice of a layered voice (group) to be in a
746            // key group, so the layered voices won't kill each other
747            int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0;
748    
749            // handle key group (a.k.a. exclusive group) conflicts
750            if (HandleKeyGroupConflicts) {
751                if (iKeyGroup) { // if this voice / key belongs to a key group
752                    uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup];
753                    if (*ppKeyGroup) { // if there's already an active key in that key group
754                        midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup];
755                        // kill all voices on the (other) key
756                        RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
757                        RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();
758                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
759                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger) {
760                                itVoiceToBeKilled->Kill(itNoteOnEvent);
761                                --VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict
762                            }
763                        }
764                    }
765                }
766            }
767    
768            Voice::type_t VoiceType = Voice::type_normal;
769    
770            // get current dimension values to select the right dimension region
771            //TODO: for stolen voices this dimension region selection block is processed twice, this should be changed
772            //FIXME: controller values for selecting the dimension region here are currently not sample accurate
773            uint DimValues[8] = { 0 };
774            for (int i = pRegion->Dimensions - 1; i >= 0; i--) {
775                switch (pRegion->pDimensionDefinitions[i].dimension) {
776                    case ::gig::dimension_samplechannel:
777                        DimValues[i] = 0; //TODO: we currently ignore this dimension
778                        break;
779                    case ::gig::dimension_layer:
780                        DimValues[i] = iLayer;
781                        break;
782                    case ::gig::dimension_velocity:
783                        DimValues[i] = itNoteOnEvent->Param.Note.Velocity;
784                        break;
785                    case ::gig::dimension_channelaftertouch:
786                        DimValues[i] = 0; //TODO: we currently ignore this dimension
787                        break;
788                    case ::gig::dimension_releasetrigger:
789                        VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal;
790                        DimValues[i] = (uint) ReleaseTriggerVoice;
791                        break;
792                    case ::gig::dimension_keyboard:
793                        DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension;
794                        break;
795                    case ::gig::dimension_roundrobin:
796                        DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on
797                        break;
798                    case ::gig::dimension_random:
799                        RandomSeed   = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator
800                        DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random
801                        break;
802                    case ::gig::dimension_modwheel:
803                        DimValues[i] = pEngineChannel->ControllerTable[1];
804                        break;
805                    case ::gig::dimension_breath:
806                        DimValues[i] = pEngineChannel->ControllerTable[2];
807                        break;
808                    case ::gig::dimension_foot:
809                        DimValues[i] = pEngineChannel->ControllerTable[4];
810                        break;
811                    case ::gig::dimension_portamentotime:
812                        DimValues[i] = pEngineChannel->ControllerTable[5];
813                        break;
814                    case ::gig::dimension_effect1:
815                        DimValues[i] = pEngineChannel->ControllerTable[12];
816                        break;
817                    case ::gig::dimension_effect2:
818                        DimValues[i] = pEngineChannel->ControllerTable[13];
819                        break;
820                    case ::gig::dimension_genpurpose1:
821                        DimValues[i] = pEngineChannel->ControllerTable[16];
822                        break;
823                    case ::gig::dimension_genpurpose2:
824                        DimValues[i] = pEngineChannel->ControllerTable[17];
825                        break;
826                    case ::gig::dimension_genpurpose3:
827                        DimValues[i] = pEngineChannel->ControllerTable[18];
828                        break;
829                    case ::gig::dimension_genpurpose4:
830                        DimValues[i] = pEngineChannel->ControllerTable[19];
831                        break;
832                    case ::gig::dimension_sustainpedal:
833                        DimValues[i] = pEngineChannel->ControllerTable[64];
834                        break;
835                    case ::gig::dimension_portamento:
836                        DimValues[i] = pEngineChannel->ControllerTable[65];
837                        break;
838                    case ::gig::dimension_sostenutopedal:
839                        DimValues[i] = pEngineChannel->ControllerTable[66];
840                        break;
841                    case ::gig::dimension_softpedal:
842                        DimValues[i] = pEngineChannel->ControllerTable[67];
843                        break;
844                    case ::gig::dimension_genpurpose5:
845                        DimValues[i] = pEngineChannel->ControllerTable[80];
846                        break;
847                    case ::gig::dimension_genpurpose6:
848                        DimValues[i] = pEngineChannel->ControllerTable[81];
849                        break;
850                    case ::gig::dimension_genpurpose7:
851                        DimValues[i] = pEngineChannel->ControllerTable[82];
852                        break;
853                    case ::gig::dimension_genpurpose8:
854                        DimValues[i] = pEngineChannel->ControllerTable[83];
855                        break;
856                    case ::gig::dimension_effect1depth:
857                        DimValues[i] = pEngineChannel->ControllerTable[91];
858                        break;
859                    case ::gig::dimension_effect2depth:
860                        DimValues[i] = pEngineChannel->ControllerTable[92];
861                        break;
862                    case ::gig::dimension_effect3depth:
863                        DimValues[i] = pEngineChannel->ControllerTable[93];
864                        break;
865                    case ::gig::dimension_effect4depth:
866                        DimValues[i] = pEngineChannel->ControllerTable[94];
867                        break;
868                    case ::gig::dimension_effect5depth:
869                        DimValues[i] = pEngineChannel->ControllerTable[95];
870                        break;
871                    case ::gig::dimension_none:
872                        std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush;
873                        break;
874                    default:
875                        std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush;
876                }
877            }
878            ::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);
879    
880            // no need to continue if sample is silent
881            if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator();
882    
883          // allocate a new voice for the key          // allocate a new voice for the key
884          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();          Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend();
885          if (itNewVoice) {          if (itNewVoice) {
886              // launch the new voice              // launch the new voice
887              if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) {              if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) {
888                  dmsg(4,("Voice not triggered\n"));                  dmsg(4,("Voice not triggered\n"));
889                  pKey->pActiveVoices->free(itNewVoice);                  pKey->pActiveVoices->free(itNewVoice);
890              }              }
891              else { // on success              else { // on success
892                  --VoiceSpawnsLeft;                  --VoiceSpawnsLeft;
                 uint** ppKeyGroup = NULL;  
                 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);  
                                 --VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict  
                             }  
                         }  
                     }  
                 }  
893                  if (!pKey->Active) { // mark as active key                  if (!pKey->Active) { // mark as active key
894                      pKey->Active = true;                      pKey->Active = true;
895                      pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend();                      pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend();
896                      *pKey->itSelf = itNoteOnEvent->Param.Note.Key;                      *pKey->itSelf = itNoteOnEvent->Param.Note.Key;
897                  }                  }
898                  if (itNewVoice->KeyGroup) {                  if (itNewVoice->KeyGroup) {
899                        uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup];
900                      *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
901                  }                  }
902                  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 1282  namespace LinuxSampler { namespace gig { Line 1412  namespace LinuxSampler { namespace gig {
1412      }      }
1413    
1414      String Engine::Version() {      String Engine::Version() {
1415          String s = "$Revision: 1.45 $";          String s = "$Revision: 1.47 $";
1416          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
1417      }      }
1418    
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