/[svn]/linuxsampler/trunk/src/engines/EngineBase.h
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revision 2935 by schoenebeck, Sun Jul 10 14:24:13 2016 UTC revision 2938 by schoenebeck, Mon Jul 11 17:10:40 2016 UTC
# Line 853  namespace LinuxSampler { Line 853  namespace LinuxSampler {
853                                  dmsg(5,("Engine: Note on received\n"));                                  dmsg(5,("Engine: Note on received\n"));
854                                  ProcessNoteOn((EngineChannel*)itEvent->pEngineChannel, itEvent);                                  ProcessNoteOn((EngineChannel*)itEvent->pEngineChannel, itEvent);
855                                  break;                                  break;
856                                case Event::type_play_note:
857                                    dmsg(5,("Engine: Play Note received\n"));
858                                    ProcessNoteOn((EngineChannel*)itEvent->pEngineChannel, itEvent);
859                                    break;
860                              case Event::type_note_off:                              case Event::type_note_off:
861                                  dmsg(5,("Engine: Note off received\n"));                                  dmsg(5,("Engine: Note off received\n"));
862                                  ProcessNoteOff((EngineChannel*)itEvent->pEngineChannel, itEvent);                                  ProcessNoteOff((EngineChannel*)itEvent->pEngineChannel, itEvent);
863                                  break;                                  break;
864                                case Event::type_stop_note:
865                                    dmsg(5,("Engine: Stop Note received\n"));
866                                    ProcessNoteOff((EngineChannel*)itEvent->pEngineChannel, itEvent);
867                                    break;
868                              case Event::type_control_change:                              case Event::type_control_change:
869                                  dmsg(5,("Engine: MIDI CC received\n"));                                  dmsg(5,("Engine: MIDI CC received\n"));
870                                  ProcessControlChange((EngineChannel*)itEvent->pEngineChannel, itEvent);                                  ProcessControlChange((EngineChannel*)itEvent->pEngineChannel, itEvent);
# Line 1603  namespace LinuxSampler { Line 1611  namespace LinuxSampler {
1611    
1612                  MidiKey* pKey = &pChannel->pMIDIKeyInfo[key];                  MidiKey* pKey = &pChannel->pMIDIKeyInfo[key];
1613    
1614                  pChannel->listeners.PreProcessNoteOn(key, vel);                  // There are real MIDI note-on events (Event::type_note_on) and
1615                    // programmatically spawned notes (Event::type_play_note). We have
1616                    // to distinguish between them, since certain processing below
1617                    // must only be done on real MIDI note-on events (i.e. for
1618                    // correctly updating which MIDI keys are currently pressed down).
1619                    const bool isRealMIDINoteOnEvent = itNoteOnEvent->Type == Event::type_note_on;
1620    
1621                    if (isRealMIDINoteOnEvent)
1622                        pChannel->listeners.PreProcessNoteOn(key, vel);
1623    
1624                  #if !CONFIG_PROCESS_MUTED_CHANNELS                  #if !CONFIG_PROCESS_MUTED_CHANNELS
1625                  if (pEngineChannel->GetMute()) { // skip if sampler channel is muted                  if (pEngineChannel->GetMute()) { // skip if sampler channel is muted
1626                      pChannel->listeners.PostProcessNoteOn(key, vel);                      if (isRealMIDINoteOnEvent)
1627                            pChannel->listeners.PostProcessNoteOn(key, vel);
1628                      return;                      return;
1629                  }                  }
1630                  #endif                  #endif
1631    
1632                  if (!pChannel->pInstrument) {                  if (!pChannel->pInstrument) {
1633                      pChannel->listeners.PostProcessNoteOn(key, vel);                      if (isRealMIDINoteOnEvent)
1634                            pChannel->listeners.PostProcessNoteOn(key, vel);
1635                      return; // ignore if no instrument loaded                      return; // ignore if no instrument loaded
1636                  }                  }
1637    
# Line 1620  namespace LinuxSampler { Line 1639  namespace LinuxSampler {
1639                  RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);                  RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents);
1640    
1641                  // if Solo Mode then kill all already active voices                  // if Solo Mode then kill all already active voices
1642                  if (pChannel->SoloMode) {                  if (pChannel->SoloMode && isRealMIDINoteOnEvent) {
1643                      Pool<uint>::Iterator itYoungestKey = pChannel->pActiveKeys->last();                      Pool<uint>::Iterator itYoungestKey = pChannel->pActiveKeys->last();
1644                      if (itYoungestKey) {                      if (itYoungestKey) {
1645                          const int iYoungestKey = *itYoungestKey;                          const int iYoungestKey = *itYoungestKey;
# Line 1649  namespace LinuxSampler { Line 1668  namespace LinuxSampler {
1668                      pChannel->SoloKey = key;                      pChannel->SoloKey = key;
1669                  }                  }
1670    
1671                  pChannel->ProcessKeySwitchChange(key);                  if (isRealMIDINoteOnEvent) {
1672                        pChannel->ProcessKeySwitchChange(key);
1673    
1674                  pKey->KeyPressed = true; // the MIDI key was now pressed down                      pKey->KeyPressed = true; // the MIDI key was now pressed down
1675                  pChannel->KeyDown[key] = true; // just used as built-in %KEY_DOWN script variable                      pChannel->KeyDown[key] = true; // just used as built-in %KEY_DOWN script variable
1676                  pKey->Velocity   = itNoteOnEventOnKeyList->Param.Note.Velocity;                      pKey->Velocity   = itNoteOnEventOnKeyList->Param.Note.Velocity;
1677                  pKey->NoteOnTime = FrameTime + itNoteOnEventOnKeyList->FragmentPos(); // will be used to calculate note length                      pKey->NoteOnTime = FrameTime + itNoteOnEventOnKeyList->FragmentPos(); // will be used to calculate note length
1678                    }
1679    
1680                  // cancel release process of voices on this key if needed                  // cancel release process of voices on this key if needed
1681                  if (pKey->Active && !pChannel->SustainPedal) {                  if (pKey->Active && !pChannel->SustainPedal && isRealMIDINoteOnEvent) {
1682                      RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend();                      RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend();
1683                      if (itCancelReleaseEvent) {                      if (itCancelReleaseEvent) {
1684                          *itCancelReleaseEvent = *itNoteOnEventOnKeyList;         // copy event                          *itCancelReleaseEvent = *itNoteOnEventOnKeyList;         // copy event
1685                          itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type                          itCancelReleaseEvent->Type = Event::type_cancel_release_key; // transform event type
1686                      }                      }
1687                      else dmsg(1,("Event pool emtpy!\n"));                      else dmsg(1,("Event pool emtpy!\n"));
1688                  }                  }
# Line 1672  namespace LinuxSampler { Line 1693  namespace LinuxSampler {
1693                  if (!pKey->Active && !pKey->VoiceTheftsQueued)                  if (!pKey->Active && !pKey->VoiceTheftsQueued)
1694                      pKey->pEvents->free(itNoteOnEventOnKeyList);                      pKey->pEvents->free(itNoteOnEventOnKeyList);
1695    
1696                  if (!pChannel->SoloMode || pChannel->PortamentoPos < 0.0f) pChannel->PortamentoPos = (float) key;                  if (isRealMIDINoteOnEvent && (!pChannel->SoloMode || pChannel->PortamentoPos < 0.0f))
1697                        pChannel->PortamentoPos = (float) key;
1698    
1699                    //NOTE: Hmm, I guess its a matter of taste whether round robin should be advanced only on real MIDI note-on events, isn't it?
1700                  if (pKey->pRoundRobinIndex) {                  if (pKey->pRoundRobinIndex) {
1701                      (*pKey->pRoundRobinIndex)++; // counter specific for the key or region                      (*pKey->pRoundRobinIndex)++; // counter specific for the key or region
1702                      pChannel->RoundRobinIndex++; // common counter for the channel                      pChannel->RoundRobinIndex++; // common counter for the channel
1703                  }                  }
1704                  pChannel->listeners.PostProcessNoteOn(key, vel);  
1705                    if (isRealMIDINoteOnEvent)
1706                        pChannel->listeners.PostProcessNoteOn(key, vel);
1707              }              }
1708    
1709              /**              /**
# Line 1715  namespace LinuxSampler { Line 1741  namespace LinuxSampler {
1741    
1742                  MidiKey* pKey = &pChannel->pMIDIKeyInfo[iKey];                  MidiKey* pKey = &pChannel->pMIDIKeyInfo[iKey];
1743    
1744                  pChannel->listeners.PreProcessNoteOff(iKey, vel);                  // There are real MIDI note-off events (Event::type_note_off) and
1745                    // programmatically spawned notes (Event::type_stop_note). We have
1746                    // to distinguish between them, since certain processing below
1747                    // must only be done on real MIDI note-off events (i.e. for
1748                    // correctly updating which MIDI keys are currently pressed down),
1749                    // plus a stop-note event just releases voices of one particular
1750                    // note, whereas a note-off event releases all voices on a
1751                    // particular MIDI key instead.
1752                    const bool isRealMIDINoteOffEvent = itNoteOffEvent->Type == Event::type_note_off;
1753    
1754                    if (isRealMIDINoteOffEvent)
1755                        pChannel->listeners.PreProcessNoteOff(iKey, vel);
1756    
1757                  #if !CONFIG_PROCESS_MUTED_CHANNELS                  #if !CONFIG_PROCESS_MUTED_CHANNELS
1758                  if (pEngineChannel->GetMute()) { // skip if sampler channel is muted                  if (pEngineChannel->GetMute()) { // skip if sampler channel is muted
1759                      pChannel->listeners.PostProcessNoteOff(iKey, vel);                      if (isRealMIDINoteOffEvent)
1760                            pChannel->listeners.PostProcessNoteOff(iKey, vel);
1761                      return;                      return;
1762                  }                  }
1763                  #endif                  #endif
1764    
1765                  pKey->KeyPressed = false; // the MIDI key was now released                  if (isRealMIDINoteOffEvent) {
1766                  pChannel->KeyDown[iKey] = false; // just used as built-in %KEY_DOWN script variable                      pKey->KeyPressed = false; // the MIDI key was now released
1767                        pChannel->KeyDown[iKey] = false; // just used as built-in %KEY_DOWN script variable
1768                    }
1769    
1770                  // move event to the key's own event list                  // move event to the key's own event list
1771                  RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);                  RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents);
1772    
1773                  bool bShouldRelease = pKey->Active && pChannel->ShouldReleaseVoice(itNoteOffEventOnKeyList->Param.Note.Key);                  if (isRealMIDINoteOffEvent) {
1774                        bool bShouldRelease = pKey->Active && pChannel->ShouldReleaseVoice(itNoteOffEventOnKeyList->Param.Note.Key);
1775    
1776                  // in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any)                      // in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any)
1777                  if (pChannel->SoloMode && pChannel->pInstrument) { //TODO: this feels like too much code just for handling solo mode :P                      if (pChannel->SoloMode && pChannel->pInstrument) { //TODO: this feels like too much code just for handling solo mode :P
1778                      bool bOtherKeysPressed = false;                          bool bOtherKeysPressed = false;
1779                      if (iKey == pChannel->SoloKey) {                          if (iKey == pChannel->SoloKey) {
1780                          pChannel->SoloKey = -1;                              pChannel->SoloKey = -1;
1781                          // if there's still a key pressed down, respawn a voice (group) on the highest key                              // if there's still a key pressed down, respawn a voice (group) on the highest key
1782                          for (int i = 127; i > 0; i--) {                              for (int i = 127; i > 0; i--) {
1783                              MidiKey* pOtherKey = &pChannel->pMIDIKeyInfo[i];                                  MidiKey* pOtherKey = &pChannel->pMIDIKeyInfo[i];
1784                              if (pOtherKey->KeyPressed) {                                  if (pOtherKey->KeyPressed) {
1785                                  bOtherKeysPressed = true;                                      bOtherKeysPressed = true;
1786                                  // make the other key the new 'currently active solo key'                                      // make the other key the new 'currently active solo key'
1787                                  pChannel->SoloKey = i;                                      pChannel->SoloKey = i;
1788                                  // get final portamento position of currently active voice                                      // get final portamento position of currently active voice
1789                                  if (pChannel->PortamentoMode) {                                      if (pChannel->PortamentoMode) {
1790                                      NoteIterator itNote = pKey->pActiveNotes->first();                                          NoteIterator itNote = pKey->pActiveNotes->first();
1791                                      VoiceIterator itVoice = itNote->pActiveVoices->first();                                          VoiceIterator itVoice = itNote->pActiveVoices->first();
1792                                      if (itVoice) itVoice->UpdatePortamentoPos(itNoteOffEventOnKeyList);                                          if (itVoice) itVoice->UpdatePortamentoPos(itNoteOffEventOnKeyList);
                                 }  
                                 // create a pseudo note on event  
                                 RTList<Event>::Iterator itPseudoNoteOnEvent = pOtherKey->pEvents->allocAppend();  
                                 if (itPseudoNoteOnEvent) {  
                                     // copy event  
                                     *itPseudoNoteOnEvent = *itNoteOffEventOnKeyList;  
                                     // transform event to a note on event  
                                     itPseudoNoteOnEvent->Type                = Event::type_note_on;  
                                     itPseudoNoteOnEvent->Param.Note.Key      = i;  
                                     itPseudoNoteOnEvent->Param.Note.Velocity = pOtherKey->Velocity;  
                                     // assign a new note to this note-on event  
                                     if (LaunchNewNote(pChannel, &*itPseudoNoteOnEvent)) {  
                                         // allocate and trigger new voice(s) for the other key  
                                         TriggerNewVoices(pChannel, itPseudoNoteOnEvent, false);  
1793                                      }                                      }
1794                                      // if neither a voice was spawned or postponed then remove note on event from key again                                      // create a pseudo note on event
1795                                      if (!pOtherKey->Active && !pOtherKey->VoiceTheftsQueued)                                      RTList<Event>::Iterator itPseudoNoteOnEvent = pOtherKey->pEvents->allocAppend();
1796                                          pOtherKey->pEvents->free(itPseudoNoteOnEvent);                                      if (itPseudoNoteOnEvent) {
1797                                            // copy event
1798                                            *itPseudoNoteOnEvent = *itNoteOffEventOnKeyList;
1799                                            // transform event to a note on event
1800                                            itPseudoNoteOnEvent->Type                = Event::type_note_on; //FIXME: should probably use Event::type_play_note instead (to avoid i.e. hanging notes)
1801                                            itPseudoNoteOnEvent->Param.Note.Key      = i;
1802                                            itPseudoNoteOnEvent->Param.Note.Velocity = pOtherKey->Velocity;
1803                                            // assign a new note to this note-on event
1804                                            if (LaunchNewNote(pChannel, &*itPseudoNoteOnEvent)) {
1805                                                // allocate and trigger new voice(s) for the other key
1806                                                TriggerNewVoices(pChannel, itPseudoNoteOnEvent, false);
1807                                            }
1808                                            // if neither a voice was spawned or postponed then remove note on event from key again
1809                                            if (!pOtherKey->Active && !pOtherKey->VoiceTheftsQueued)
1810                                                pOtherKey->pEvents->free(itPseudoNoteOnEvent);
1811    
1812                                  } else dmsg(1,("Could not respawn voice, no free event left\n"));                                      } else dmsg(1,("Could not respawn voice, no free event left\n"));
1813                                  break; // done                                      break; // done
1814                                    }
1815                              }                              }
1816                          }                          }
1817                      }                          if (bOtherKeysPressed) {
1818                      if (bOtherKeysPressed) {                              if (pKey->Active) { // kill all voices on this key
1819                          if (pKey->Active) { // kill all voices on this key                                  bShouldRelease = false; // no need to release, as we kill it here
1820                              bShouldRelease = false; // no need to release, as we kill it here                                  for (NoteIterator itNote = pKey->pActiveNotes->first(); itNote; ++itNote) {
1821                              for (NoteIterator itNote = pKey->pActiveNotes->first(); itNote; ++itNote) {                                      VoiceIterator itVoiceToBeKilled = itNote->pActiveVoices->first();
1822                                  VoiceIterator itVoiceToBeKilled = itNote->pActiveVoices->first();                                      VoiceIterator end               = itNote->pActiveVoices->end();
1823                                  VoiceIterator end               = itNote->pActiveVoices->end();                                      for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {
1824                                  for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) {                                          if (!(itVoiceToBeKilled->Type & Voice::type_release_trigger))
1825                                      if (!(itVoiceToBeKilled->Type & Voice::type_release_trigger))                                              itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList);
1826                                          itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList);                                      }
1827                                  }                                  }
1828                              }                              }
1829                          }                          } else pChannel->PortamentoPos = -1.0f;
1830                      } else pChannel->PortamentoPos = -1.0f;                      }
                 }  
1831    
1832                  // if no solo mode (the usual case) or if solo mode and no other key pressed, then release voices on this key if needed                      // if no solo mode (the usual case) or if solo mode and no other key pressed, then release voices on this key if needed
1833                  if (bShouldRelease) {                      if (bShouldRelease) {
1834                      itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type                          itNoteOffEventOnKeyList->Type = Event::type_release_key; // transform event type
1835                      // spawn release triggered voice(s) if needed                          // spawn release triggered voice(s) if needed
1836                      ProcessReleaseTrigger(pChannel, itNoteOffEventOnKeyList, pKey);                          ProcessReleaseTrigger(pChannel, itNoteOffEventOnKeyList, pKey);
1837                        }
1838                    } else if (itNoteOffEventOnKeyList->Type == Event::type_stop_note) {
1839                        // This programmatically caused event is caused by a call to
1840                        // the built-in instrument script function note_off(). In
1841                        // contrast to a real MIDI note-off event the stop-note
1842                        // event just intends to release voices of one particular note.
1843                        NoteBase* pNote = pChannel->pEngine->NoteByID( itNoteOffEventOnKeyList->Param.Note.ID );
1844                        if (pNote) { // the requested note is still alive ...
1845                            itNoteOffEventOnKeyList->Type = Event::type_release_note; // transform event type
1846                        } else { // note is dead and gone ..
1847                            pKey->pEvents->free(itNoteOffEventOnKeyList); // remove stop-note event from key again
1848                            return; // prevent event to be removed a 2nd time below
1849                        }
1850                  }                  }
1851    
1852                  // if neither a voice was spawned or postponed on this key 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
1853                  if (!pKey->Active && !pKey->VoiceTheftsQueued)                  if (!pKey->Active && !pKey->VoiceTheftsQueued)
1854                      pKey->pEvents->free(itNoteOffEventOnKeyList);                      pKey->pEvents->free(itNoteOffEventOnKeyList);
1855    
1856                  pChannel->listeners.PostProcessNoteOff(iKey, vel);                  if (isRealMIDINoteOffEvent)
1857                        pChannel->listeners.PostProcessNoteOff(iKey, vel);
1858              }              }
1859    
1860              /**              /**
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