/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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revision 781 by schoenebeck, Mon Sep 26 10:17:00 2005 UTC revision 829 by schoenebeck, Sat Jan 14 14:07:47 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 600  namespace LinuxSampler { namespace gig { Line 600  namespace LinuxSampler { namespace gig {
600          #endif          #endif
601    
602          const int key = itNoteOnEvent->Param.Note.Key;          const int key = itNoteOnEvent->Param.Note.Key;
603            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];
604    
605            // move note on event to the key's own event list
606            RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
607    
608            // if Solo Mode then kill all already active voices
609            if (pEngineChannel->SoloMode) {
610                Pool<uint>::Iterator itYoungestKey = pEngineChannel->pActiveKeys->last();
611                if (itYoungestKey) {
612                    const int iYoungestKey = *itYoungestKey;
613                    const midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[iYoungestKey];
614                    if (pOtherKey->Active) {
615                        // get final portamento position of currently active voice
616                        if (pEngineChannel->PortamentoMode) {
617                            RTList<Voice>::Iterator itVoice = pOtherKey->pActiveVoices->last();
618                            if (itVoice) itVoice->UpdatePortamentoPos(itNoteOnEventOnKeyList);
619                        }
620                        // kill all voices on the (other) key
621                        RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
622                        RTList<Voice>::Iterator end               = pOtherKey->pActiveVoices->end();
623                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
624                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger)
625                                itVoiceToBeKilled->Kill(itNoteOnEventOnKeyList);
626                        }
627                    }
628                }
629                // set this key as 'currently active solo key'
630                pEngineChannel->SoloKey = key;
631            }
632    
633          // Change key dimension value if key is in keyswitching area          // Change key dimension value if key is in keyswitching area
634          {          {
# Line 609  namespace LinuxSampler { namespace gig { Line 638  namespace LinuxSampler { namespace gig {
638                      (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);                      (pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1);
639          }          }
640    
         midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key];  
   
641          pKey->KeyPressed = true; // the MIDI key was now pressed down          pKey->KeyPressed = true; // the MIDI key was now pressed down
642          pKey->Velocity   = itNoteOnEvent->Param.Note.Velocity;          pKey->Velocity   = itNoteOnEventOnKeyList->Param.Note.Velocity;
643          pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length          pKey->NoteOnTime = FrameTime + itNoteOnEventOnKeyList->FragmentPos(); // will be used to calculate note length
644    
645          // cancel release process of voices on this key if needed          // cancel release process of voices on this key if needed
646          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && !pEngineChannel->SustainPedal) {
647              RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend();              RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend();
648              if (itCancelReleaseEvent) {              if (itCancelReleaseEvent) {
649                  *itCancelReleaseEvent = *itNoteOnEvent;                  // copy event                  *itCancelReleaseEvent = *itNoteOnEventOnKeyList;         // copy event
650                  itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type                  itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type
651              }              }
652              else dmsg(1,("Event pool emtpy!\n"));              else dmsg(1,("Event pool emtpy!\n"));
653          }          }
654    
         // move note on event to the key's own event list  
         RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);  
   
655          // allocate and trigger new voice(s) for the key          // allocate and trigger new voice(s) for the key
656          {          {
657              // 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 644  namespace LinuxSampler { namespace gig { Line 668  namespace LinuxSampler { namespace gig {
668          if (!pKey->Active && !pKey->VoiceTheftsQueued)          if (!pKey->Active && !pKey->VoiceTheftsQueued)
669              pKey->pEvents->free(itNoteOnEventOnKeyList);              pKey->pEvents->free(itNoteOnEventOnKeyList);
670    
671            if (!pEngineChannel->SoloMode || pEngineChannel->PortamentoPos < 0.0f) pEngineChannel->PortamentoPos = (float) key;
672          pKey->RoundRobinIndex++;          pKey->RoundRobinIndex++;
673      }      }
674    
# Line 661  namespace LinuxSampler { namespace gig { Line 686  namespace LinuxSampler { namespace gig {
686          if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted          if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
687          #endif          #endif
688    
689          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key];          const int iKey = itNoteOffEvent->Param.Note.Key;
690            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[iKey];
691          pKey->KeyPressed = false; // the MIDI key was now released          pKey->KeyPressed = false; // the MIDI key was now released
692    
693          // release voices on this key if needed          // move event to the key's own event list
694          if (pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEvent->Param.Note.Key)) {          RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
             itNoteOffEvent->Type = Event::type_release; // transform event type  
695    
696              // move event to the key's own event list          bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key);
697              RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);  
698            // in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any)
699            if (pEngineChannel->SoloMode) { //TODO: this feels like too much code just for handling solo mode :P
700                bool bOtherKeysPressed = false;
701                if (iKey == pEngineChannel->SoloKey) {
702                    pEngineChannel->SoloKey = -1;
703                    // if there's still a key pressed down, respawn a voice (group) on the highest key
704                    for (int i = 127; i > 0; i--) {
705                        midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[i];
706                        if (pOtherKey->KeyPressed) {
707                            bOtherKeysPressed = true;
708                            // make the other key the new 'currently active solo key'
709                            pEngineChannel->SoloKey = i;
710                            // get final portamento position of currently active voice
711                            if (pEngineChannel->PortamentoMode) {
712                                RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first();
713                                if (itVoice) itVoice->UpdatePortamentoPos(itNoteOffEventOnKeyList);
714                            }
715                            // create a pseudo note on event
716                            RTList<Event>::Iterator itPseudoNoteOnEvent = pOtherKey->pEvents->allocAppend();
717                            if (itPseudoNoteOnEvent) {
718                                // copy event
719                                *itPseudoNoteOnEvent = *itNoteOffEventOnKeyList;
720                                // transform event to a note on event
721                                itPseudoNoteOnEvent->Type                = Event::type_note_on;
722                                itPseudoNoteOnEvent->Param.Note.Key      = i;
723                                itPseudoNoteOnEvent->Param.Note.Velocity = pOtherKey->Velocity;
724                                // allocate and trigger new voice(s) for the other key
725                                {
726                                    // first, get total amount of required voices (dependant on amount of layers)
727                                    ::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(i);
728                                    if (pRegion) {
729                                        int voicesRequired = pRegion->Layers;
730                                        // now launch the required amount of voices
731                                        for (int iLayer = 0; iLayer < voicesRequired; iLayer++)
732                                            LaunchVoice(pEngineChannel, itPseudoNoteOnEvent, iLayer, false, true, false);
733                                    }
734                                }
735                                // if neither a voice was spawned or postponed then remove note on event from key again
736                                if (!pOtherKey->Active && !pOtherKey->VoiceTheftsQueued)
737                                    pOtherKey->pEvents->free(itPseudoNoteOnEvent);
738    
739                            } else dmsg(1,("Could not respawn voice, no free event left\n"));
740                            break; // done
741                        }
742                    }
743                }
744                if (bOtherKeysPressed) {
745                    if (pKey->Active) { // kill all voices on this key
746                        bShouldRelease = false; // no need to release, as we kill it here
747                        RTList<Voice>::Iterator itVoiceToBeKilled = pKey->pActiveVoices->first();
748                        RTList<Voice>::Iterator end               = pKey->pActiveVoices->end();
749                        for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
750                            if (itVoiceToBeKilled->Type != Voice::type_release_trigger)
751                                itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList);
752                        }
753                    }
754                } else pEngineChannel->PortamentoPos = -1.0f;
755            }
756    
757            // if no solo mode (the usual case) or if solo mode and no other key pressed, then release voices on this key if needed
758            if (bShouldRelease) {
759                itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type
760    
761              // spawn release triggered voice(s) if needed              // spawn release triggered voice(s) if needed
762              if (pKey->ReleaseTrigger) {              if (pKey->ReleaseTrigger) {
# Line 687  namespace LinuxSampler { namespace gig { Line 774  namespace LinuxSampler { namespace gig {
774                  }                  }
775                  pKey->ReleaseTrigger = false;                  pKey->ReleaseTrigger = false;
776              }              }
   
             // if neither a voice was spawned or postponed then remove note off event from key again  
             if (!pKey->Active && !pKey->VoiceTheftsQueued)  
                 pKey->pEvents->free(itNoteOffEventOnKeyList);  
777          }          }
778    
779            // if neither a voice was spawned or postponed on this key then remove note off event from key again
780            if (!pKey->Active && !pKey->VoiceTheftsQueued)
781                pKey->pEvents->free(itNoteOffEventOnKeyList);
782      }      }
783    
784      /**      /**
# Line 1141  namespace LinuxSampler { namespace gig { Line 1228  namespace LinuxSampler { namespace gig {
1228          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
1229    
1230          switch (itControlChangeEvent->Param.CC.Controller) {          switch (itControlChangeEvent->Param.CC.Controller) {
1231                case 5: { // portamento time
1232                    pEngineChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN;
1233                    break;
1234                }
1235              case 7: { // volume              case 7: { // volume
1236                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1237                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f *  CONFIG_GLOBAL_ATTENUATION;                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f *  CONFIG_GLOBAL_ATTENUATION;
# Line 1201  namespace LinuxSampler { namespace gig { Line 1292  namespace LinuxSampler { namespace gig {
1292                  }                  }
1293                  break;                  break;
1294              }              }
1295                case 65: { // portamento on / off
1296                    KillAllVoices(pEngineChannel, itControlChangeEvent);
1297                    pEngineChannel->PortamentoMode = itControlChangeEvent->Param.CC.Value >= 64;
1298                    break;
1299                }
1300              case 66: { // sostenuto              case 66: { // sostenuto
1301                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SostenutoPedal) {                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SostenutoPedal) {
1302                      dmsg(4,("SOSTENUTO (CENTER) PEDAL DOWN\n"));                      dmsg(4,("SOSTENUTO (CENTER) PEDAL DOWN\n"));
# Line 1257  namespace LinuxSampler { namespace gig { Line 1353  namespace LinuxSampler { namespace gig {
1353                  ReleaseAllVoices(pEngineChannel, itControlChangeEvent);                  ReleaseAllVoices(pEngineChannel, itControlChangeEvent);
1354                  break;                  break;
1355              }              }
1356                case 126: { // mono mode on
1357                    KillAllVoices(pEngineChannel, itControlChangeEvent);
1358                    pEngineChannel->SoloMode = true;
1359                    break;
1360                }
1361                case 127: { // poly mode on
1362                    KillAllVoices(pEngineChannel, itControlChangeEvent);
1363                    pEngineChannel->SoloMode = false;
1364                    break;
1365                }
1366          }          }
1367      }      }
1368    
# Line 1452  namespace LinuxSampler { namespace gig { Line 1558  namespace LinuxSampler { namespace gig {
1558      }      }
1559    
1560      String Engine::Version() {      String Engine::Version() {
1561          String s = "$Revision: 1.56 $";          String s = "$Revision: 1.57 $";
1562          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
1563      }      }
1564    

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