/[svn]/linuxsampler/trunk/src/engines/EngineBase.h
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/EngineBase.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 2043 by persson, Sat Jan 9 09:37:01 2010 UTC revision 2244 by iliev, Thu Aug 18 11:32:33 2011 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) 2005-2009 Christian Schoenebeck                         *   *   Copyright (C) 2005-2008 Christian Schoenebeck                         *
7   *   Copyright (C) 2009 Grigor Iliev                                       *   *   Copyright (C) 2009-2011 Christian Schoenebeck and Grigor Iliev        *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 190  namespace LinuxSampler { Line 190  namespace LinuxSampler {
190                  // been deleted by the disk thread                  // been deleted by the disk thread
191                  if (iPendingStreamDeletions) ProcessPendingStreamDeletions();                  if (iPendingStreamDeletions) ProcessPendingStreamDeletions();
192    
193                    // Release the instrument change command. (This has to
194                    // be done after all voices have been rendered and not
195                    // in HandleInstrumentChanges, as the RegionsInUse
196                    // list has been built up by the voice renderers.)
197                    for (int i = 0; i < engineChannels.size(); i++) {
198                        EngineChannelBase<V, R, I>* channel =
199                            static_cast<EngineChannelBase<V, R, I>*>(engineChannels[i]);
200                        channel->InstrumentChangeCommandReader.Unlock();
201                    }
202                  FrameTime += Samples;                  FrameTime += Samples;
203    
204                  EngineDisabled.RttDone();                  EngineDisabled.RttDone();
# Line 234  namespace LinuxSampler { Line 243  namespace LinuxSampler {
243                  }                  }
244                  pVoicePool->clear();                  pVoicePool->clear();
245    
246                    PostSetMaxVoices(iVoices);
247                  ResumeAll();                  ResumeAll();
248              }              }
249                
250                /** Called after the new max number of voices is set and before resuming the engine. */
251                virtual void PostSetMaxVoices(int iVoices) { }
252    
253              virtual uint DiskStreamCount() { return (pDiskThread) ? pDiskThread->GetActiveStreamCount() : 0; }              virtual uint DiskStreamCount() { return (pDiskThread) ? pDiskThread->GetActiveStreamCount() : 0; }
254              virtual uint DiskStreamCountMax() { return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; }              virtual uint DiskStreamCountMax() { return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; }
# Line 299  namespace LinuxSampler { Line 312  namespace LinuxSampler {
312                      // lower minimum release time                      // lower minimum release time
313                      const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;                      const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate;
314                      for (VoiceIterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {                      for (VoiceIterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
315                          iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate);                          iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate);
316                      }                      }
317                      pVoicePool->clear();                      pVoicePool->clear();
318                  }                  }
# Line 339  namespace LinuxSampler { Line 352  namespace LinuxSampler {
352                      }                      }
353                  }                  }
354                  pVoicePool->clear();                  pVoicePool->clear();
355                    
356                    // (re)create dedicated voice audio buffers
357                    //TODO: we could optimize resource usage a bit by just allocating these dedicated voice buffers when there is at least one engine channel with FX sends, because only in this case those special buffers are used actually, but since it would usually only save couple bytes in total, its probably not worth it
358                    if (pDedicatedVoiceChannelLeft)  delete pDedicatedVoiceChannelLeft;
359                    if (pDedicatedVoiceChannelRight) delete pDedicatedVoiceChannelRight;
360                    pDedicatedVoiceChannelLeft  = new AudioChannel(0, MaxSamplesPerCycle);
361                    pDedicatedVoiceChannelRight = new AudioChannel(1, MaxSamplesPerCycle);
362              }              }
363    
364              /**              /**
# Line 530  namespace LinuxSampler { Line 550  namespace LinuxSampler {
550    
551              //friend class EngineChannelBase<V, R, I>;              //friend class EngineChannelBase<V, R, I>;
552    
553                static IM instruments;
554    
555          protected:          protected:
556              class SuspensionVoiceHandler : public MidiKeyboardManager<V>::VoiceHandler {              class SuspensionVoiceHandler : public MidiKeyboardManager<V>::VoiceHandler {
557              public:              public:
# Line 558  namespace LinuxSampler { Line 580  namespace LinuxSampler {
580                  }                  }
581              };              };
582    
             static IM instruments;  
   
583              Pool<R*>* pRegionPool[2]; ///< Double buffered pool, used by the engine channels to keep track of regions in use.              Pool<R*>* pRegionPool[2]; ///< Double buffered pool, used by the engine channels to keep track of regions in use.
584              int       MinFadeOutSamples;     ///< The number of samples needed to make an instant fade out (e.g. for voice stealing) without leading to clicks.              int       MinFadeOutSamples;     ///< The number of samples needed to make an instant fade out (e.g. for voice stealing) without leading to clicks.
585              D*        pDiskThread;              D*        pDiskThread;
# Line 765  namespace LinuxSampler { Line 785  namespace LinuxSampler {
785                      //TODO: this is a lazy solution ATM and not safe in case somebody is currently editing the instrument we're currently switching to (we should store all suspended regions on instrument manager side and when switching to another instrument copy that list to the engine's local list of suspensions                      //TODO: this is a lazy solution ATM and not safe in case somebody is currently editing the instrument we're currently switching to (we should store all suspended regions on instrument manager side and when switching to another instrument copy that list to the engine's local list of suspensions
786                      ResetSuspendedRegions();                      ResetSuspendedRegions();
787                  }                  }
   
                 for (int i = 0; i < engineChannels.size(); i++) {  
                     EngineChannelBase<V, R, I>* channel =  
                         static_cast<EngineChannelBase<V, R, I>*>(engineChannels[i]);  
                     channel->InstrumentChangeCommandReader.Unlock();  
                 }  
788              }              }
789    
790              /**              /**
# Line 857  namespace LinuxSampler { Line 871  namespace LinuxSampler {
871                  pChannel->ClearEventLists();                  pChannel->ClearEventLists();
872              }              }
873    
874                /**
875                 * Process MIDI control change events with hard coded behavior,
876                 * that is controllers whose behavior is defined independently
877                 * of the actual sampler engine type and instrument.
878                 *
879                 * @param pEngineChannel - engine channel on which the MIDI CC event was received
880                 * @param itControlChangeEvent - the actual MIDI CC event
881                 */
882              void ProcessHardcodedControllers (              void ProcessHardcodedControllers (
883                  EngineChannel*          pEngineChannel,                  EngineChannel*          pEngineChannel,
884                  Pool<Event>::Iterator&  itControlChangeEvent                  Pool<Event>::Iterator&  itControlChangeEvent
# Line 869  namespace LinuxSampler { Line 891  namespace LinuxSampler {
891                          pChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN;                          pChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN;
892                          break;                          break;
893                      }                      }
894                      case 6: { // data entry (currently only used for RPN controllers)                      case 6: { // data entry (currently only used for RPN and NRPN controllers)
895                          if (pChannel->GetMidiRpnController() == 2) { // coarse tuning in half tones                          //dmsg(1,("DATA ENTRY %d\n", itControlChangeEvent->Param.CC.Value));
896                              int transpose = (int) itControlChangeEvent->Param.CC.Value - 64;                          if (pChannel->GetMidiRpnController() >= 0) { // RPN controller number was sent previously ...
897                              // limit to +- two octaves for now                              dmsg(4,("Guess it's an RPN ...\n"));
898                              transpose = RTMath::Min(transpose,  24);                              if (pChannel->GetMidiRpnController() == 2) { // coarse tuning in half tones
899                              transpose = RTMath::Max(transpose, -24);                                  int transpose = (int) itControlChangeEvent->Param.CC.Value - 64;
900                              pChannel->GlobalTranspose = transpose;                                  // limit to +- two octaves for now
901                              // workaround, so we won't have hanging notes                                  transpose = RTMath::Min(transpose,  24);
902                              pChannel->ReleaseAllVoices(itControlChangeEvent);                                  transpose = RTMath::Max(transpose, -24);
903                                    pChannel->GlobalTranspose = transpose;
904                                    // workaround, so we won't have hanging notes
905                                    pChannel->ReleaseAllVoices(itControlChangeEvent);
906                                }
907                                // to prevent other MIDI CC #6 messages to be misenterpreted as RPN controller data
908                                pChannel->ResetMidiRpnController();
909                            } else if (pChannel->GetMidiNrpnController() >= 0) { // NRPN controller number was sent previously ...
910                                dmsg(4,("Guess it's an NRPN ...\n"));
911                                const int NrpnCtrlMSB = pChannel->GetMidiNrpnController() >> 8;
912                                const int NrpnCtrlLSB = pChannel->GetMidiNrpnController() & 0xff;
913                                dmsg(4,("NRPN MSB=%d LSB=%d Data=%d\n", NrpnCtrlMSB, NrpnCtrlLSB, itControlChangeEvent->Param.CC.Value));
914                                switch (NrpnCtrlMSB) {
915                                    case 0x1a: { // volume level of note (Roland GS NRPN)
916                                        const uint note = NrpnCtrlLSB;
917                                        const uint vol  = itControlChangeEvent->Param.CC.Value;
918                                        dmsg(4,("Note Volume NRPN received (note=%d,vol=%d).\n", note, vol));
919                                        if (note < 128 && vol < 128)
920                                            pChannel->pMIDIKeyInfo[note].Volume = VolumeCurve[vol];
921                                        break;
922                                    }
923                                    case 0x1c: { // panpot of note (Roland GS NRPN)
924                                        const uint note = NrpnCtrlLSB;
925                                        const uint pan  = itControlChangeEvent->Param.CC.Value;
926                                        dmsg(4,("Note Pan NRPN received (note=%d,pan=%d).\n", note, pan));
927                                        if (note < 128 && pan < 128) {
928                                            pChannel->pMIDIKeyInfo[note].PanLeft  = PanCurve[128 - pan];
929                                            pChannel->pMIDIKeyInfo[note].PanRight = PanCurve[pan];
930                                        }
931                                        break;
932                                    }
933                                    case 0x1d: { // reverb send of note (Roland GS NRPN)
934                                        const uint note = NrpnCtrlLSB;
935                                        const float reverb = float(itControlChangeEvent->Param.CC.Value) / 127.0f;
936                                        dmsg(4,("Note Reverb Send NRPN received (note=%d,send=%d).\n", note, reverb));
937                                        if (note < 128)
938                                            pChannel->pMIDIKeyInfo[note].ReverbSend = reverb;
939                                        break;
940                                    }
941                                    case 0x1e: { // chorus send of note (Roland GS NRPN)
942                                        const uint note = NrpnCtrlLSB;
943                                        const float chorus = float(itControlChangeEvent->Param.CC.Value) / 127.0f;
944                                        dmsg(4,("Note Chorus Send NRPN received (note=%d,send=%d).\n", note, chorus));
945                                        if (note < 128)
946                                            pChannel->pMIDIKeyInfo[note].ChorusSend = chorus;
947                                        break;
948                                    }
949                                }
950                                // to prevent other MIDI CC #6 messages to be misenterpreted as NRPN controller data
951                                pChannel->ResetMidiNrpnController();
952                          }                          }
                         // to avoid other MIDI CC #6 messages to be misenterpreted as RPN controller data  
                         pChannel->ResetMidiRpnController();  
953                          break;                          break;
954                      }                      }
955                      case 7: { // volume                      case 7: { // volume
# Line 969  namespace LinuxSampler { Line 1038  namespace LinuxSampler {
1038                          }                          }
1039                          break;                          break;
1040                      }                      }
1041                        case 98: { // NRPN controller LSB
1042                            dmsg(4,("NRPN LSB %d\n", itControlChangeEvent->Param.CC.Value));
1043                            pEngineChannel->SetMidiNrpnControllerLsb(itControlChangeEvent->Param.CC.Value);
1044                            break;
1045                        }
1046                        case 99: { // NRPN controller MSB
1047                            dmsg(4,("NRPN MSB %d\n", itControlChangeEvent->Param.CC.Value));
1048                            pEngineChannel->SetMidiNrpnControllerMsb(itControlChangeEvent->Param.CC.Value);
1049                            break;
1050                        }
1051                      case 100: { // RPN controller LSB                      case 100: { // RPN controller LSB
1052                            dmsg(4,("RPN LSB %d\n", itControlChangeEvent->Param.CC.Value));
1053                          pEngineChannel->SetMidiRpnControllerLsb(itControlChangeEvent->Param.CC.Value);                          pEngineChannel->SetMidiRpnControllerLsb(itControlChangeEvent->Param.CC.Value);
1054                          break;                          break;
1055                      }                      }
1056                      case 101: { // RPN controller MSB                      case 101: { // RPN controller MSB
1057                            dmsg(4,("RPN MSB %d\n", itControlChangeEvent->Param.CC.Value));
1058                          pEngineChannel->SetMidiRpnControllerMsb(itControlChangeEvent->Param.CC.Value);                          pEngineChannel->SetMidiRpnControllerMsb(itControlChangeEvent->Param.CC.Value);
1059                          break;                          break;
1060                      }                      }
# Line 1064  namespace LinuxSampler { Line 1145  namespace LinuxSampler {
1145                              VoiceIterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();                              VoiceIterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first();
1146                              VoiceIterator end               = pOtherKey->pActiveVoices->end();                              VoiceIterator end               = pOtherKey->pActiveVoices->end();
1147                              for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {                              for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
1148                                  if (itVoiceToBeKilled->Type != Voice::type_release_trigger)                                  if (!(itVoiceToBeKilled->Type & Voice::type_release_trigger))
1149                                      itVoiceToBeKilled->Kill(itNoteOnEventOnKeyList);                                      itVoiceToBeKilled->Kill(itNoteOnEventOnKeyList);
1150                              }                              }
1151                          }                          }
# Line 1201  namespace LinuxSampler { Line 1282  namespace LinuxSampler {
1282                              VoiceIterator itVoiceToBeKilled = pKey->pActiveVoices->first();                              VoiceIterator itVoiceToBeKilled = pKey->pActiveVoices->first();
1283                              VoiceIterator end               = pKey->pActiveVoices->end();                              VoiceIterator end               = pKey->pActiveVoices->end();
1284                              for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {                              for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
1285                                  if (itVoiceToBeKilled->Type != Voice::type_release_trigger)                                  if (!(itVoiceToBeKilled->Type & Voice::type_release_trigger))
1286                                      itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList);                                      itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList);
1287                              }                              }
1288                          }                          }
# Line 1334  namespace LinuxSampler { Line 1415  namespace LinuxSampler {
1415                              pKey->itSelf = pChannel->pActiveKeys->allocAppend();                              pKey->itSelf = pChannel->pActiveKeys->allocAppend();
1416                              *pKey->itSelf = itNoteOnEvent->Param.Note.Key;                              *pKey->itSelf = itNoteOnEvent->Param.Note.Key;
1417                          }                          }
1418                          if (itNewVoice->KeyGroup) {                          if (itNewVoice->Type & Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)
                             uint** ppKeyGroup = &pChannel->ActiveKeyGroups[itNewVoice->KeyGroup];  
                             *ppKeyGroup = &*pKey->itSelf; // put key as the (new) active key to its key group  
                         }  
                         if (itNewVoice->Type == Voice::type_release_trigger_required) pKey->ReleaseTrigger = true; // mark key for the need of release triggered voice(s)  
1419                          return 0; // success                          return 0; // success
1420                      }                      }
1421                  }                  }
Legend:
Removed from v.2043  
changed lines
  Added in v.2244
  ViewVC Help
Powered by ViewVC