39 |
pEventGenerator = NULL; |
pEventGenerator = NULL; |
40 |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
41 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
42 |
pEventPool = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
43 |
pVoicePool = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
44 |
pActiveKeys = new RTELMemoryPool<uint>(128); |
pActiveKeys = new Pool<uint>(128); |
45 |
pVoiceStealingQueue = new RTEList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
46 |
pEvents = new RTEList<Event>(pEventPool); |
pEvents = new RTList<Event>(pEventPool); |
47 |
pCCEvents = new RTEList<Event>(pEventPool); |
pCCEvents = new RTList<Event>(pEventPool); |
48 |
for (uint i = 0; i < Event::destination_count; i++) { |
for (uint i = 0; i < Event::destination_count; i++) { |
49 |
pSynthesisEvents[i] = new RTEList<Event>(pEventPool); |
pSynthesisEvents[i] = new RTList<Event>(pEventPool); |
50 |
} |
} |
51 |
for (uint i = 0; i < 128; i++) { |
for (uint i = 0; i < 128; i++) { |
52 |
pMIDIKeyInfo[i].pActiveVoices = new RTEList<Voice>(pVoicePool); |
pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pVoicePool); |
53 |
pMIDIKeyInfo[i].KeyPressed = false; |
pMIDIKeyInfo[i].KeyPressed = false; |
54 |
pMIDIKeyInfo[i].Active = false; |
pMIDIKeyInfo[i].Active = false; |
55 |
pMIDIKeyInfo[i].ReleaseTrigger = false; |
pMIDIKeyInfo[i].ReleaseTrigger = false; |
56 |
pMIDIKeyInfo[i].pSelf = NULL; |
pMIDIKeyInfo[i].pEvents = new RTList<Event>(pEventPool); |
|
pMIDIKeyInfo[i].pEvents = new RTEList<Event>(pEventPool); |
|
57 |
} |
} |
58 |
for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
59 |
pVoice->SetEngine(this); |
iterVoice->SetEngine(this); |
60 |
} |
} |
61 |
pVoicePool->clear(); |
pVoicePool->clear(); |
62 |
|
|
159 |
GlobalVolume = 1.0; |
GlobalVolume = 1.0; |
160 |
|
|
161 |
// reset voice stealing parameters |
// reset voice stealing parameters |
162 |
pLastStolenVoice = NULL; |
itLastStolenVoice = RTList<Voice>::Iterator(); |
163 |
puiLastStolenKey = NULL; |
iuiLastStolenKey = RTList<uint>::Iterator(); |
164 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
165 |
|
|
166 |
// reset to normal chromatic scale (means equal temper) |
// reset to normal chromatic scale (means equal temper) |
176 |
pMIDIKeyInfo[i].KeyPressed = false; |
pMIDIKeyInfo[i].KeyPressed = false; |
177 |
pMIDIKeyInfo[i].Active = false; |
pMIDIKeyInfo[i].Active = false; |
178 |
pMIDIKeyInfo[i].ReleaseTrigger = false; |
pMIDIKeyInfo[i].ReleaseTrigger = false; |
179 |
pMIDIKeyInfo[i].pSelf = NULL; |
pMIDIKeyInfo[i].itSelf = Pool<uint>::Iterator(); |
180 |
} |
} |
181 |
|
|
182 |
// reset all key groups |
// reset all key groups |
184 |
for (; iter != ActiveKeyGroups.end(); iter++) iter->second = NULL; |
for (; iter != ActiveKeyGroups.end(); iter++) iter->second = NULL; |
185 |
|
|
186 |
// reset all voices |
// reset all voices |
187 |
for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
188 |
pVoice->Reset(); |
iterVoice->Reset(); |
189 |
} |
} |
190 |
pVoicePool->clear(); |
pVoicePool->clear(); |
191 |
|
|
324 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
325 |
} |
} |
326 |
|
|
327 |
for (Voice* pVoice = pVoicePool->alloc(); pVoice; pVoice = pVoicePool->alloc()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
328 |
pVoice->pDiskThread = this->pDiskThread; |
iterVoice->pDiskThread = this->pDiskThread; |
329 |
dmsg(3,("d")); |
dmsg(3,("d")); |
330 |
} |
} |
331 |
pVoicePool->clear(); |
pVoicePool->clear(); |
350 |
pDiskThread->StartThread(); |
pDiskThread->StartThread(); |
351 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
352 |
|
|
353 |
for (Voice* pVoice = pVoicePool->first(); pVoice; pVoice = pVoicePool->next()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
354 |
if (!pVoice->pDiskThread) { |
if (!iterVoice->pDiskThread) { |
355 |
dmsg(0,("Engine -> voice::trigger: !pDiskThread\n")); |
dmsg(0,("Engine -> voice::trigger: !pDiskThread\n")); |
356 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
357 |
} |
} |
398 |
for (uint i = 0; i < Event::destination_count; i++) { |
for (uint i = 0; i < Event::destination_count; i++) { |
399 |
pSynthesisEvents[i]->clear(); |
pSynthesisEvents[i]->clear(); |
400 |
} |
} |
401 |
for (uint* puiKey = pActiveKeys->first(); puiKey; puiKey = pActiveKeys->next()) { |
{ |
402 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*puiKey]; |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
403 |
pKey->pEvents->clear(); // free all events on the key |
RTList<uint>::Iterator end = pActiveKeys->end(); |
404 |
|
for(; iuiKey != end; ++iuiKey) { |
405 |
|
pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
406 |
|
} |
407 |
} |
} |
408 |
|
|
409 |
// read and copy events from input queue |
// read and copy events from input queue |
410 |
Event event = pEventGenerator->CreateEvent(); |
Event event = pEventGenerator->CreateEvent(); |
411 |
while (true) { |
while (true) { |
412 |
if (!pEventQueue->pop(&event)) break; |
if (!pEventQueue->pop(&event) || pEvents->poolIsEmpty()) break; |
413 |
pEvents->alloc_assign(event); |
*pEvents->allocAppend() = event; |
414 |
} |
} |
415 |
|
|
416 |
|
|
419 |
|
|
420 |
|
|
421 |
// process events |
// process events |
422 |
Event* pNextEvent = pEvents->first(); |
{ |
423 |
while (pNextEvent) { |
RTList<Event>::Iterator itEvent = pEvents->first(); |
424 |
Event* pEvent = pNextEvent; |
RTList<Event>::Iterator end = pEvents->end(); |
425 |
pEvents->set_current(pEvent); |
for (; itEvent != end; ++itEvent) { |
426 |
pNextEvent = pEvents->next(); |
switch (itEvent->Type) { |
427 |
switch (pEvent->Type) { |
case Event::type_note_on: |
428 |
case Event::type_note_on: |
dmsg(5,("Engine: Note on received\n")); |
429 |
dmsg(5,("Engine: Note on received\n")); |
ProcessNoteOn(itEvent); |
430 |
ProcessNoteOn(pEvent); |
break; |
431 |
break; |
case Event::type_note_off: |
432 |
case Event::type_note_off: |
dmsg(5,("Engine: Note off received\n")); |
433 |
dmsg(5,("Engine: Note off received\n")); |
ProcessNoteOff(itEvent); |
434 |
ProcessNoteOff(pEvent); |
break; |
435 |
break; |
case Event::type_control_change: |
436 |
case Event::type_control_change: |
dmsg(5,("Engine: MIDI CC received\n")); |
437 |
dmsg(5,("Engine: MIDI CC received\n")); |
ProcessControlChange(itEvent); |
438 |
ProcessControlChange(pEvent); |
break; |
439 |
break; |
case Event::type_pitchbend: |
440 |
case Event::type_pitchbend: |
dmsg(5,("Engine: Pitchbend received\n")); |
441 |
dmsg(5,("Engine: Pitchbend received\n")); |
ProcessPitchbend(itEvent); |
442 |
ProcessPitchbend(pEvent); |
break; |
443 |
break; |
case Event::type_sysex: |
444 |
case Event::type_sysex: |
dmsg(5,("Engine: Sysex received\n")); |
445 |
dmsg(5,("Engine: Sysex received\n")); |
ProcessSysex(itEvent); |
446 |
ProcessSysex(pEvent); |
break; |
447 |
break; |
} |
448 |
} |
} |
449 |
} |
} |
450 |
|
|
451 |
|
|
|
// render audio from all active voices |
|
452 |
int active_voices = 0; |
int active_voices = 0; |
453 |
uint* piKey = pActiveKeys->first(); |
|
454 |
while (piKey) { // iterate through all active keys |
// render audio from all active voices |
455 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
{ |
456 |
pActiveKeys->set_current(piKey); |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
457 |
piKey = pActiveKeys->next(); |
RTList<uint>::Iterator end = pActiveKeys->end(); |
458 |
|
while (iuiKey != end) { // iterate through all active keys |
459 |
Voice* pVoiceNext = pKey->pActiveVoices->first(); |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
460 |
while (pVoiceNext) { // iterate through all voices on this key |
++iuiKey; |
461 |
// already get next voice on key |
|
462 |
Voice* pVoice = pVoiceNext; |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
463 |
pKey->pActiveVoices->set_current(pVoice); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
464 |
pVoiceNext = pKey->pActiveVoices->next(); |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
465 |
|
// now render current voice |
466 |
// now render current voice |
itVoice->Render(Samples); |
467 |
pVoice->Render(Samples); |
if (itVoice->IsActive()) active_voices++; // still active |
468 |
if (pVoice->IsActive()) active_voices++; // still active |
else { // voice reached end, is now inactive |
469 |
else { // voice reached end, is now inactive |
KillVoiceImmediately(itVoice); // remove voice from the list of active voices |
470 |
KillVoiceImmediately(pVoice); // remove voice from the list of active voices |
} |
471 |
} |
} |
472 |
} |
} |
473 |
} |
} |
474 |
|
|
475 |
|
|
476 |
// now render all postponed voices from voice stealing |
// now render all postponed voices from voice stealing |
477 |
Event* pVoiceStealEvent = pVoiceStealingQueue->first(); |
{ |
478 |
while (pVoiceStealEvent) { |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
479 |
Voice* pNewVoice = LaunchVoice(pVoiceStealEvent, pVoiceStealEvent->Param.Note.Layer, pVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
480 |
if (pNewVoice) { |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
481 |
pNewVoice->Render(Samples); |
Pool<Voice>::Iterator itNewVoice = LaunchVoice(itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
482 |
if (pNewVoice->IsActive()) active_voices++; // still active |
if (itNewVoice) { |
483 |
else { // voice reached end, is now inactive |
itNewVoice->Render(Samples); |
484 |
KillVoiceImmediately(pNewVoice); // remove voice from the list of active voices |
if (itNewVoice->IsActive()) active_voices++; // still active |
485 |
|
else { // voice reached end, is now inactive |
486 |
|
KillVoiceImmediately(itNewVoice); // remove voice from the list of active voices |
487 |
|
} |
488 |
} |
} |
489 |
|
else dmsg(1,("Ouch, voice stealing didn't work out!\n")); |
490 |
} |
} |
|
else dmsg(1,("Ouch, voice stealing didn't work out!\n")); |
|
|
pVoiceStealEvent = pVoiceStealingQueue->next(); |
|
491 |
} |
} |
492 |
// reset voice stealing for the new fragment |
// reset voice stealing for the new fragment |
493 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
494 |
pLastStolenVoice = NULL; |
itLastStolenVoice = RTList<Voice>::Iterator(); |
495 |
puiLastStolenKey = NULL; |
iuiLastStolenKey = RTList<uint>::Iterator(); |
496 |
|
|
497 |
|
|
498 |
// write that to the disk thread class so that it can print it |
// write that to the disk thread class so that it can print it |
600 |
/** |
/** |
601 |
* Assigns and triggers a new voice for the respective MIDI key. |
* Assigns and triggers a new voice for the respective MIDI key. |
602 |
* |
* |
603 |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
604 |
*/ |
*/ |
605 |
void Engine::ProcessNoteOn(Event* pNoteOnEvent) { |
void Engine::ProcessNoteOn(Pool<Event>::Iterator& itNoteOnEvent) { |
606 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
607 |
|
|
608 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
609 |
|
|
610 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
611 |
if (pKey->Active && !SustainPedal) { |
if (pKey->Active && !SustainPedal) { |
612 |
Event* pCancelReleaseEvent = pKey->pEvents->alloc(); |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
613 |
if (pCancelReleaseEvent) { |
if (itCancelReleaseEvent) { |
614 |
*pCancelReleaseEvent = *pNoteOnEvent; |
*itCancelReleaseEvent = *itNoteOnEvent; // copy event |
615 |
pCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
616 |
} |
} |
617 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
618 |
} |
} |
619 |
|
|
620 |
// allocate and trigger a new voice for the key |
// move note on event to the key's own event list |
621 |
LaunchVoice(pNoteOnEvent); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
622 |
|
|
623 |
// finally move note on event to the key's own event list |
// allocate and trigger a new voice for the key |
624 |
pEvents->move(pNoteOnEvent, pKey->pEvents); |
LaunchVoice(itNoteOnEventOnKeyList); |
625 |
} |
} |
626 |
|
|
627 |
/** |
/** |
630 |
* sustain pedal will be released or voice turned inactive by itself (e.g. |
* sustain pedal will be released or voice turned inactive by itself (e.g. |
631 |
* due to completion of sample playback). |
* due to completion of sample playback). |
632 |
* |
* |
633 |
* @param pNoteOffEvent - key, velocity and time stamp of the event |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
634 |
*/ |
*/ |
635 |
void Engine::ProcessNoteOff(Event* pNoteOffEvent) { |
void Engine::ProcessNoteOff(Pool<Event>::Iterator& itNoteOffEvent) { |
636 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Param.Note.Key]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
637 |
|
|
638 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
639 |
|
|
640 |
// release voices on this key if needed |
// release voices on this key if needed |
641 |
if (pKey->Active && !SustainPedal) { |
if (pKey->Active && !SustainPedal) { |
642 |
pNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
643 |
} |
} |
644 |
|
|
645 |
|
// move event to the key's own event list |
646 |
|
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
647 |
|
|
648 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
649 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
650 |
LaunchVoice(pNoteOffEvent, 0, true); |
LaunchVoice(itNoteOffEventOnKeyList, 0, true); |
651 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
652 |
} |
} |
|
|
|
|
// move event to the key's own event list |
|
|
pEvents->move(pNoteOffEvent, pKey->pEvents); |
|
653 |
} |
} |
654 |
|
|
655 |
/** |
/** |
656 |
* Moves pitchbend event from the general (input) event list to the pitch |
* Moves pitchbend event from the general (input) event list to the pitch |
657 |
* event list. |
* event list. |
658 |
* |
* |
659 |
* @param pPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
660 |
*/ |
*/ |
661 |
void Engine::ProcessPitchbend(Event* pPitchbendEvent) { |
void Engine::ProcessPitchbend(Pool<Event>::Iterator& itPitchbendEvent) { |
662 |
this->Pitch = pPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
this->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
663 |
pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]); |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
664 |
} |
} |
665 |
|
|
666 |
/** |
/** |
668 |
* called by the ProcessNoteOn() method and by the voices itself |
* called by the ProcessNoteOn() method and by the voices itself |
669 |
* (e.g. to spawn further voices on the same key for layered sounds). |
* (e.g. to spawn further voices on the same key for layered sounds). |
670 |
* |
* |
671 |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
672 |
* @param iLayer - layer index for the new voice (optional - only |
* @param iLayer - layer index for the new voice (optional - only |
673 |
* in case of layered sounds of course) |
* in case of layered sounds of course) |
674 |
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
679 |
* @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 |
680 |
* if an error occured while trying to trigger the new voice |
* if an error occured while trying to trigger the new voice |
681 |
*/ |
*/ |
682 |
Voice* Engine::LaunchVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
Pool<Voice>::Iterator Engine::LaunchVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
683 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
684 |
|
|
685 |
// allocate a new voice for the key |
// allocate a new voice for the key |
686 |
Voice* pNewVoice = pKey->pActiveVoices->alloc(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
687 |
if (pNewVoice) { |
if (itNewVoice) { |
688 |
// launch the new voice |
// launch the new voice |
689 |
if (pNewVoice->Trigger(pNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) { |
if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) { |
690 |
dmsg(1,("Triggering new voice failed!\n")); |
dmsg(1,("Triggering new voice failed!\n")); |
691 |
pKey->pActiveVoices->free(pNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
692 |
} |
} |
693 |
else { // on success |
else { // on success |
694 |
uint** ppKeyGroup = NULL; |
uint** ppKeyGroup = NULL; |
695 |
if (pNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
696 |
ppKeyGroup = &ActiveKeyGroups[pNewVoice->KeyGroup]; |
ppKeyGroup = &ActiveKeyGroups[itNewVoice->KeyGroup]; |
697 |
if (*ppKeyGroup) { // if there's already an active key in that key group |
if (*ppKeyGroup) { // if there's already an active key in that key group |
698 |
midi_key_info_t* pOtherKey = &pMIDIKeyInfo[**ppKeyGroup]; |
midi_key_info_t* pOtherKey = &pMIDIKeyInfo[**ppKeyGroup]; |
699 |
// kill all voices on the (other) key |
// kill all voices on the (other) key |
700 |
Voice* pVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
701 |
while (pVoiceToBeKilled) { |
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
702 |
Voice* pVoiceToBeKilledNext = pOtherKey->pActiveVoices->next(); |
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
703 |
if (pVoiceToBeKilled->Type != Voice::type_release_trigger) pVoiceToBeKilled->Kill(pNoteOnEvent); |
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent); |
|
pOtherKey->pActiveVoices->set_current(pVoiceToBeKilled); |
|
|
pVoiceToBeKilled = pVoiceToBeKilledNext; |
|
704 |
} |
} |
705 |
} |
} |
706 |
} |
} |
707 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
708 |
pKey->Active = true; |
pKey->Active = true; |
709 |
pKey->pSelf = pActiveKeys->alloc(); |
pKey->itSelf = pActiveKeys->allocAppend(); |
710 |
*pKey->pSelf = pNoteOnEvent->Param.Note.Key; |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
711 |
} |
} |
712 |
if (pNewVoice->KeyGroup) { |
if (itNewVoice->KeyGroup) { |
713 |
*ppKeyGroup = pKey->pSelf; // 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 |
714 |
} |
} |
715 |
if (pNewVoice->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) |
716 |
return pNewVoice; // success |
return itNewVoice; // success |
717 |
} |
} |
718 |
} |
} |
719 |
else if (VoiceStealing) StealVoice(pNoteOnEvent, iLayer, ReleaseTriggerVoice); // no free voice left, so steal one |
else if (VoiceStealing) StealVoice(itNoteOnEvent, iLayer, ReleaseTriggerVoice); // no free voice left, so steal one |
720 |
|
|
721 |
return NULL; // no free voice or error |
return Pool<Voice>::Iterator(); // no free voice or error |
722 |
} |
} |
723 |
|
|
724 |
/** |
/** |
727 |
* voice stealing and postpone the note-on event until the selected |
* voice stealing and postpone the note-on event until the selected |
728 |
* voice actually died. |
* voice actually died. |
729 |
* |
* |
730 |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
731 |
* @param iLayer - layer index for the new voice |
* @param iLayer - layer index for the new voice |
732 |
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
733 |
*/ |
*/ |
734 |
void Engine::StealVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
void Engine::StealVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
735 |
if (!pEventPool->pool_is_empty()) { |
if (!pEventPool->poolIsEmpty()) { |
736 |
|
|
737 |
uint* puiOldestKey; |
RTList<uint>::Iterator iuiOldestKey; |
738 |
Voice* pOldestVoice; |
RTList<Voice>::Iterator itOldestVoice; |
739 |
|
|
740 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
741 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (VOICE_STEAL_ALGORITHM) { |
745 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill there, then procceed with |
746 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
747 |
case voice_steal_algo_keymask: { |
case voice_steal_algo_keymask: { |
748 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
749 |
if (pLastStolenVoice) { |
if (itLastStolenVoice) { |
750 |
pOldestKey->pActiveVoices->set_current(pLastStolenVoice); |
itOldestVoice = itLastStolenVoice; |
751 |
pOldestVoice = pOldestKey->pActiveVoices->next(); |
++itOldestVoice; |
752 |
} |
} |
753 |
else { // no voice stolen in this audio fragment cycle yet |
else { // no voice stolen in this audio fragment cycle yet |
754 |
pOldestVoice = pOldestKey->pActiveVoices->first(); |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
755 |
} |
} |
756 |
if (pOldestVoice) { |
if (itOldestVoice) { |
757 |
puiOldestKey = pOldestKey->pSelf; |
iuiOldestKey = pOldestKey->itSelf; |
758 |
break; // selection succeeded |
break; // selection succeeded |
759 |
} |
} |
760 |
} // no break - intentional ! |
} // no break - intentional ! |
762 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
763 |
// (caution: must stay after 'keymask' algorithm !) |
// (caution: must stay after 'keymask' algorithm !) |
764 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
765 |
if (pLastStolenVoice) { |
if (itLastStolenVoice) { |
766 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*puiLastStolenKey]; |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiLastStolenKey]; |
767 |
pOldestKey->pActiveVoices->set_current(pLastStolenVoice); |
itOldestVoice = itLastStolenVoice; |
768 |
pOldestVoice = pOldestKey->pActiveVoices->next(); |
++itOldestVoice; |
769 |
if (!pOldestVoice) { |
if (!itOldestVoice) { |
770 |
pActiveKeys->set_current(puiLastStolenKey); |
iuiOldestKey = iuiLastStolenKey; |
771 |
puiOldestKey = pActiveKeys->next(); |
++iuiOldestKey; |
772 |
if (puiOldestKey) { |
if (iuiOldestKey) { |
773 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*puiOldestKey]; |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey]; |
774 |
pOldestVoice = pOldestKey->pActiveVoices->first(); |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
775 |
} |
} |
776 |
else { // too less voices, even for voice stealing |
else { // too less voices, even for voice stealing |
777 |
dmsg(1,("Voice overflow! - You might recompile with higher MAX_AUDIO_VOICES!\n")); |
dmsg(1,("Voice overflow! - You might recompile with higher MAX_AUDIO_VOICES!\n")); |
778 |
return; |
return; |
779 |
} |
} |
780 |
} |
} |
781 |
else puiOldestKey = puiLastStolenKey; |
else iuiOldestKey = iuiLastStolenKey; |
782 |
} |
} |
783 |
else { // no voice stolen in this audio fragment cycle yet |
else { // no voice stolen in this audio fragment cycle yet |
784 |
puiOldestKey = pActiveKeys->first(); |
iuiOldestKey = pActiveKeys->first(); |
785 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*puiOldestKey]; |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey]; |
786 |
pOldestVoice = pOldestKey->pActiveVoices->first(); |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
787 |
} |
} |
788 |
break; |
break; |
789 |
} |
} |
797 |
} |
} |
798 |
|
|
799 |
// now kill the selected voice |
// now kill the selected voice |
800 |
pOldestVoice->Kill(pNoteOnEvent); |
itOldestVoice->Kill(itNoteOnEvent); |
801 |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
802 |
this->pLastStolenVoice = pOldestVoice; |
this->itLastStolenVoice = itOldestVoice; |
803 |
this->puiLastStolenKey = puiOldestKey; |
this->iuiLastStolenKey = iuiOldestKey; |
804 |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
805 |
Event* pStealEvent = pVoiceStealingQueue->alloc(); |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
806 |
*pStealEvent = *pNoteOnEvent; |
if (itStealEvent) { |
807 |
pStealEvent->Param.Note.Layer = iLayer; |
*itStealEvent = *itNoteOnEvent; // copy event |
808 |
pStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
itStealEvent->Param.Note.Layer = iLayer; |
809 |
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
810 |
|
} |
811 |
|
else dmsg(1,("Voice stealing queue full!\n")); |
812 |
} |
} |
813 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
814 |
} |
} |
818 |
* pressed or not) and removes it from the MIDI key's list of active voice. |
* pressed or not) and removes it from the MIDI key's list of active voice. |
819 |
* This method will e.g. be called if a voice went inactive by itself. |
* This method will e.g. be called if a voice went inactive by itself. |
820 |
* |
* |
821 |
* @param pVoice - points to the voice to be killed |
* @param itVoice - points to the voice to be killed |
822 |
*/ |
*/ |
823 |
void Engine::KillVoiceImmediately(Voice* pVoice) { |
void Engine::KillVoiceImmediately(Pool<Voice>::Iterator& itVoice) { |
824 |
if (pVoice) { |
if (itVoice) { |
825 |
if (pVoice->IsActive()) pVoice->KillImmediately(); |
if (itVoice->IsActive()) itVoice->KillImmediately(); |
826 |
|
|
827 |
|
midi_key_info_t* pKey = &pMIDIKeyInfo[itVoice->MIDIKey]; |
828 |
|
|
829 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pVoice->MIDIKey]; |
uint keygroup = itVoice->KeyGroup; |
830 |
|
|
831 |
// free the voice object |
// free the voice object |
832 |
pVoicePool->free(pVoice); |
pVoicePool->free(itVoice); |
833 |
|
|
834 |
// check if there are no voices left on the MIDI key and update the key info if so |
// check if there are no voices left on the MIDI key and update the key info if so |
835 |
if (pKey->pActiveVoices->is_empty()) { |
if (pKey->pActiveVoices->isEmpty()) { |
836 |
if (pVoice->KeyGroup) { // if voice / key belongs to a key group |
if (keygroup) { // if voice / key belongs to a key group |
837 |
uint** ppKeyGroup = &ActiveKeyGroups[pVoice->KeyGroup]; |
uint** ppKeyGroup = &ActiveKeyGroups[keygroup]; |
838 |
if (*ppKeyGroup == pKey->pSelf) *ppKeyGroup = NULL; // remove key from key group |
if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group |
839 |
} |
} |
840 |
pKey->Active = false; |
pKey->Active = false; |
841 |
pActiveKeys->free(pKey->pSelf); // remove key from list of active keys |
pActiveKeys->free(pKey->itSelf); // remove key from list of active keys |
842 |
pKey->pSelf = NULL; |
pKey->itSelf = RTList<uint>::Iterator(); |
843 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
844 |
pKey->pEvents->clear(); |
pKey->pEvents->clear(); |
845 |
dmsg(3,("Key has no more voices now\n")); |
dmsg(3,("Key has no more voices now\n")); |
852 |
* Reacts on supported control change commands (e.g. pitch bend wheel, |
* Reacts on supported control change commands (e.g. pitch bend wheel, |
853 |
* modulation wheel, aftertouch). |
* modulation wheel, aftertouch). |
854 |
* |
* |
855 |
* @param pControlChangeEvent - controller, value and time stamp of the event |
* @param itControlChangeEvent - controller, value and time stamp of the event |
856 |
*/ |
*/ |
857 |
void Engine::ProcessControlChange(Event* pControlChangeEvent) { |
void Engine::ProcessControlChange(Pool<Event>::Iterator& itControlChangeEvent) { |
858 |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Param.CC.Controller, pControlChangeEvent->Param.CC.Value)); |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
859 |
|
|
860 |
switch (pControlChangeEvent->Param.CC.Controller) { |
switch (itControlChangeEvent->Param.CC.Controller) { |
861 |
case 64: { |
case 64: { |
862 |
if (pControlChangeEvent->Param.CC.Value >= 64 && !SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value >= 64 && !SustainPedal) { |
863 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
864 |
SustainPedal = true; |
SustainPedal = true; |
865 |
|
|
866 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
867 |
uint* piKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
868 |
if (piKey) { |
if (iuiKey) { |
869 |
pControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
870 |
while (piKey) { |
while (iuiKey) { |
871 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
872 |
pActiveKeys->set_current(piKey); |
++iuiKey; |
|
piKey = pActiveKeys->next(); |
|
873 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
874 |
Event* pNewEvent = pKey->pEvents->alloc(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
875 |
if (pNewEvent) *pNewEvent = *pControlChangeEvent; // copy event to the key's own event list |
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
876 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
877 |
} |
} |
878 |
} |
} |
879 |
} |
} |
880 |
} |
} |
881 |
if (pControlChangeEvent->Param.CC.Value < 64 && SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value < 64 && SustainPedal) { |
882 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
883 |
SustainPedal = false; |
SustainPedal = false; |
884 |
|
|
885 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
886 |
uint* piKey = pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
887 |
if (piKey) { |
if (iuiKey) { |
888 |
pControlChangeEvent->Type = Event::type_release; // transform event type |
itControlChangeEvent->Type = Event::type_release; // transform event type |
889 |
while (piKey) { |
while (iuiKey) { |
890 |
midi_key_info_t* pKey = &pMIDIKeyInfo[*piKey]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
891 |
pActiveKeys->set_current(piKey); |
++iuiKey; |
|
piKey = pActiveKeys->next(); |
|
892 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
893 |
Event* pNewEvent = pKey->pEvents->alloc(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
894 |
if (pNewEvent) *pNewEvent = *pControlChangeEvent; // copy event to the key's own event list |
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
895 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
896 |
} |
} |
897 |
} |
} |
902 |
} |
} |
903 |
|
|
904 |
// update controller value in the engine's controller table |
// update controller value in the engine's controller table |
905 |
ControllerTable[pControlChangeEvent->Param.CC.Controller] = pControlChangeEvent->Param.CC.Value; |
ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
906 |
|
|
907 |
// move event from the unsorted event list to the control change event list |
// move event from the unsorted event list to the control change event list |
908 |
pEvents->move(pControlChangeEvent, pCCEvents); |
itControlChangeEvent.moveToEndOf(pCCEvents); |
909 |
} |
} |
910 |
|
|
911 |
/** |
/** |
912 |
* Reacts on MIDI system exclusive messages. |
* Reacts on MIDI system exclusive messages. |
913 |
* |
* |
914 |
* @param pSysexEvent - sysex data size and time stamp of the sysex event |
* @param itSysexEvent - sysex data size and time stamp of the sysex event |
915 |
*/ |
*/ |
916 |
void Engine::ProcessSysex(Event* pSysexEvent) { |
void Engine::ProcessSysex(Pool<Event>::Iterator& itSysexEvent) { |
917 |
RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader(); |
RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader(); |
918 |
|
|
919 |
uint8_t exclusive_status, id; |
uint8_t exclusive_status, id; |
961 |
} |
} |
962 |
|
|
963 |
free_sysex_data: // finally free sysex data |
free_sysex_data: // finally free sysex data |
964 |
pSysexBuffer->increment_read_ptr(pSysexEvent->Param.Sysex.Size); |
pSysexBuffer->increment_read_ptr(itSysexEvent->Param.Sysex.Size); |
965 |
} |
} |
966 |
|
|
967 |
/** |
/** |
1095 |
} |
} |
1096 |
|
|
1097 |
String Engine::Version() { |
String Engine::Version() { |
1098 |
String s = "$Revision: 1.14 $"; |
String s = "$Revision: 1.15 $"; |
1099 |
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 |
1100 |
} |
} |
1101 |
|
|