37 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
38 |
pDiskThread = NULL; |
pDiskThread = NULL; |
39 |
pEventGenerator = NULL; |
pEventGenerator = NULL; |
40 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT); |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
41 |
|
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
42 |
pEventPool = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new RTELMemoryPool<Event>(MAX_EVENTS_PER_FRAGMENT); |
43 |
pVoicePool = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new RTELMemoryPool<Voice>(MAX_AUDIO_VOICES); |
44 |
pActiveKeys = new RTELMemoryPool<uint>(128); |
pActiveKeys = new RTELMemoryPool<uint>(128); |
94 |
if (pEventPool) delete pEventPool; |
if (pEventPool) delete pEventPool; |
95 |
if (pVoicePool) delete pVoicePool; |
if (pVoicePool) delete pVoicePool; |
96 |
if (pActiveKeys) delete pActiveKeys; |
if (pActiveKeys) delete pActiveKeys; |
97 |
|
if (pSysexBuffer) delete pSysexBuffer; |
98 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
99 |
if (pMainFilterParameters) delete[] pMainFilterParameters; |
if (pMainFilterParameters) delete[] pMainFilterParameters; |
100 |
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
157 |
ActiveVoiceCountMax = 0; |
ActiveVoiceCountMax = 0; |
158 |
GlobalVolume = 1.0; |
GlobalVolume = 1.0; |
159 |
|
|
160 |
|
// reset to normal chromatic scale (means equal temper) |
161 |
|
memset(&ScaleTuning[0], 0x00, 12); |
162 |
|
|
163 |
// set all MIDI controller values to zero |
// set all MIDI controller values to zero |
164 |
memset(ControllerTable, 0x00, 128); |
memset(ControllerTable, 0x00, 128); |
165 |
|
|
413 |
pNextEvent = pEvents->next(); |
pNextEvent = pEvents->next(); |
414 |
switch (pEvent->Type) { |
switch (pEvent->Type) { |
415 |
case Event::type_note_on: |
case Event::type_note_on: |
416 |
dmsg(5,("Audio Thread: Note on received\n")); |
dmsg(5,("Engine: Note on received\n")); |
417 |
ProcessNoteOn(pEvent); |
ProcessNoteOn(pEvent); |
418 |
break; |
break; |
419 |
case Event::type_note_off: |
case Event::type_note_off: |
420 |
dmsg(5,("Audio Thread: Note off received\n")); |
dmsg(5,("Engine: Note off received\n")); |
421 |
ProcessNoteOff(pEvent); |
ProcessNoteOff(pEvent); |
422 |
break; |
break; |
423 |
case Event::type_control_change: |
case Event::type_control_change: |
424 |
dmsg(5,("Audio Thread: MIDI CC received\n")); |
dmsg(5,("Engine: MIDI CC received\n")); |
425 |
ProcessControlChange(pEvent); |
ProcessControlChange(pEvent); |
426 |
break; |
break; |
427 |
case Event::type_pitchbend: |
case Event::type_pitchbend: |
428 |
dmsg(5,("Audio Thread: Pitchbend received\n")); |
dmsg(5,("Engine: Pitchbend received\n")); |
429 |
ProcessPitchbend(pEvent); |
ProcessPitchbend(pEvent); |
430 |
break; |
break; |
431 |
|
case Event::type_sysex: |
432 |
|
dmsg(5,("Engine: Sysex received\n")); |
433 |
|
ProcessSysex(pEvent); |
434 |
|
break; |
435 |
} |
} |
436 |
} |
} |
437 |
|
|
479 |
* @param Velocity - MIDI velocity value of the triggered key |
* @param Velocity - MIDI velocity value of the triggered key |
480 |
*/ |
*/ |
481 |
void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) { |
void Engine::SendNoteOn(uint8_t Key, uint8_t Velocity) { |
482 |
Event event = pEventGenerator->CreateEvent(); |
Event event = pEventGenerator->CreateEvent(); |
483 |
event.Type = Event::type_note_on; |
event.Type = Event::type_note_on; |
484 |
event.Key = Key; |
event.Param.Note.Key = Key; |
485 |
event.Velocity = Velocity; |
event.Param.Note.Velocity = Velocity; |
486 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
487 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
488 |
} |
} |
495 |
* @param Velocity - MIDI release velocity value of the released key |
* @param Velocity - MIDI release velocity value of the released key |
496 |
*/ |
*/ |
497 |
void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) { |
void Engine::SendNoteOff(uint8_t Key, uint8_t Velocity) { |
498 |
Event event = pEventGenerator->CreateEvent(); |
Event event = pEventGenerator->CreateEvent(); |
499 |
event.Type = Event::type_note_off; |
event.Type = Event::type_note_off; |
500 |
event.Key = Key; |
event.Param.Note.Key = Key; |
501 |
event.Velocity = Velocity; |
event.Param.Note.Velocity = Velocity; |
502 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
503 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
504 |
} |
} |
510 |
* @param Pitch - MIDI pitch value (-8192 ... +8191) |
* @param Pitch - MIDI pitch value (-8192 ... +8191) |
511 |
*/ |
*/ |
512 |
void Engine::SendPitchbend(int Pitch) { |
void Engine::SendPitchbend(int Pitch) { |
513 |
Event event = pEventGenerator->CreateEvent(); |
Event event = pEventGenerator->CreateEvent(); |
514 |
event.Type = Event::type_pitchbend; |
event.Type = Event::type_pitchbend; |
515 |
event.Pitch = Pitch; |
event.Param.Pitch.Pitch = Pitch; |
516 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
517 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
518 |
} |
} |
525 |
* @param Value - value of the control change |
* @param Value - value of the control change |
526 |
*/ |
*/ |
527 |
void Engine::SendControlChange(uint8_t Controller, uint8_t Value) { |
void Engine::SendControlChange(uint8_t Controller, uint8_t Value) { |
528 |
Event event = pEventGenerator->CreateEvent(); |
Event event = pEventGenerator->CreateEvent(); |
529 |
event.Type = Event::type_control_change; |
event.Type = Event::type_control_change; |
530 |
event.Controller = Controller; |
event.Param.CC.Controller = Controller; |
531 |
event.Value = Value; |
event.Param.CC.Value = Value; |
532 |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event); |
533 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
534 |
} |
} |
535 |
|
|
536 |
/** |
/** |
537 |
|
* Will be called by the MIDI input device whenever a MIDI system |
538 |
|
* exclusive message has arrived. |
539 |
|
* |
540 |
|
* @param pData - pointer to sysex data |
541 |
|
* @param Size - lenght of sysex data (in bytes) |
542 |
|
*/ |
543 |
|
void Engine::SendSysex(void* pData, uint Size) { |
544 |
|
Event event = pEventGenerator->CreateEvent(); |
545 |
|
event.Type = Event::type_sysex; |
546 |
|
event.Param.Sysex.Size = Size; |
547 |
|
if (pEventQueue->write_space() > 0) { |
548 |
|
if (pSysexBuffer->write_space() >= Size) { |
549 |
|
// copy sysex data to input buffer |
550 |
|
uint toWrite = Size; |
551 |
|
uint8_t* pPos = (uint8_t*) pData; |
552 |
|
while (toWrite) { |
553 |
|
const uint writeNow = RTMath::Min(toWrite, pSysexBuffer->write_space_to_end()); |
554 |
|
pSysexBuffer->write(pPos, writeNow); |
555 |
|
toWrite -= writeNow; |
556 |
|
pPos += writeNow; |
557 |
|
|
558 |
|
} |
559 |
|
// finally place sysex event into input event queue |
560 |
|
pEventQueue->push(&event); |
561 |
|
} |
562 |
|
else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE)); |
563 |
|
} |
564 |
|
else dmsg(1,("Engine: Input event queue full!")); |
565 |
|
} |
566 |
|
|
567 |
|
/** |
568 |
* Assigns and triggers a new voice for the respective MIDI key. |
* Assigns and triggers a new voice for the respective MIDI key. |
569 |
* |
* |
570 |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
* @param pNoteOnEvent - key, velocity and time stamp of the event |
571 |
*/ |
*/ |
572 |
void Engine::ProcessNoteOn(Event* pNoteOnEvent) { |
void Engine::ProcessNoteOn(Event* pNoteOnEvent) { |
573 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Key]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
574 |
|
|
575 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
576 |
|
|
600 |
* @param pNoteOffEvent - key, velocity and time stamp of the event |
* @param pNoteOffEvent - key, velocity and time stamp of the event |
601 |
*/ |
*/ |
602 |
void Engine::ProcessNoteOff(Event* pNoteOffEvent) { |
void Engine::ProcessNoteOff(Event* pNoteOffEvent) { |
603 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Key]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOffEvent->Param.Note.Key]; |
604 |
|
|
605 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
606 |
|
|
626 |
* @param pPitchbendEvent - absolute pitch value and time stamp of the event |
* @param pPitchbendEvent - absolute pitch value and time stamp of the event |
627 |
*/ |
*/ |
628 |
void Engine::ProcessPitchbend(Event* pPitchbendEvent) { |
void Engine::ProcessPitchbend(Event* pPitchbendEvent) { |
629 |
this->Pitch = pPitchbendEvent->Pitch; // store current pitch value |
this->Pitch = pPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
630 |
pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]); |
pEvents->move(pPitchbendEvent, pSynthesisEvents[Event::destination_vco]); |
631 |
} |
} |
632 |
|
|
642 |
* (optional, default = false) |
* (optional, default = false) |
643 |
*/ |
*/ |
644 |
void Engine::LaunchVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
void Engine::LaunchVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
645 |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Key]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[pNoteOnEvent->Param.Note.Key]; |
646 |
|
|
647 |
// allocate a new voice for the key |
// allocate a new voice for the key |
648 |
Voice* pNewVoice = pKey->pActiveVoices->alloc(); |
Voice* pNewVoice = pKey->pActiveVoices->alloc(); |
671 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
672 |
pKey->Active = true; |
pKey->Active = true; |
673 |
pKey->pSelf = pActiveKeys->alloc(); |
pKey->pSelf = pActiveKeys->alloc(); |
674 |
*pKey->pSelf = pNoteOnEvent->Key; |
*pKey->pSelf = pNoteOnEvent->Param.Note.Key; |
675 |
} |
} |
676 |
if (pNewVoice->KeyGroup) { |
if (pNewVoice->KeyGroup) { |
677 |
*ppKeyGroup = pKey->pSelf; // put key as the (new) active key to its key group |
*ppKeyGroup = pKey->pSelf; // put key as the (new) active key to its key group |
721 |
* @param pControlChangeEvent - controller, value and time stamp of the event |
* @param pControlChangeEvent - controller, value and time stamp of the event |
722 |
*/ |
*/ |
723 |
void Engine::ProcessControlChange(Event* pControlChangeEvent) { |
void Engine::ProcessControlChange(Event* pControlChangeEvent) { |
724 |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Controller, pControlChangeEvent->Value)); |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", pControlChangeEvent->Param.CC.Controller, pControlChangeEvent->Param.CC.Value)); |
725 |
|
|
726 |
switch (pControlChangeEvent->Controller) { |
switch (pControlChangeEvent->Param.CC.Controller) { |
727 |
case 64: { |
case 64: { |
728 |
if (pControlChangeEvent->Value >= 64 && !SustainPedal) { |
if (pControlChangeEvent->Param.CC.Value >= 64 && !SustainPedal) { |
729 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
730 |
SustainPedal = true; |
SustainPedal = true; |
731 |
|
|
745 |
} |
} |
746 |
} |
} |
747 |
} |
} |
748 |
if (pControlChangeEvent->Value < 64 && SustainPedal) { |
if (pControlChangeEvent->Param.CC.Value < 64 && SustainPedal) { |
749 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
750 |
SustainPedal = false; |
SustainPedal = false; |
751 |
|
|
770 |
} |
} |
771 |
|
|
772 |
// update controller value in the engine's controller table |
// update controller value in the engine's controller table |
773 |
ControllerTable[pControlChangeEvent->Controller] = pControlChangeEvent->Value; |
ControllerTable[pControlChangeEvent->Param.CC.Controller] = pControlChangeEvent->Param.CC.Value; |
774 |
|
|
775 |
// 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 |
776 |
pEvents->move(pControlChangeEvent, pCCEvents); |
pEvents->move(pControlChangeEvent, pCCEvents); |
777 |
} |
} |
778 |
|
|
779 |
/** |
/** |
780 |
|
* Reacts on MIDI system exclusive messages. |
781 |
|
* |
782 |
|
* @param pSysexEvent - sysex data size and time stamp of the sysex event |
783 |
|
*/ |
784 |
|
void Engine::ProcessSysex(Event* pSysexEvent) { |
785 |
|
RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader(); |
786 |
|
|
787 |
|
uint8_t exclusive_status, id; |
788 |
|
if (!reader.pop(&exclusive_status)) goto free_sysex_data; |
789 |
|
if (!reader.pop(&id)) goto free_sysex_data; |
790 |
|
if (exclusive_status != 0xF0) goto free_sysex_data; |
791 |
|
|
792 |
|
switch (id) { |
793 |
|
case 0x41: { // Roland |
794 |
|
uint8_t device_id, model_id, cmd_id; |
795 |
|
if (!reader.pop(&device_id)) goto free_sysex_data; |
796 |
|
if (!reader.pop(&model_id)) goto free_sysex_data; |
797 |
|
if (!reader.pop(&cmd_id)) goto free_sysex_data; |
798 |
|
if (model_id != 0x42 /*GS*/) goto free_sysex_data; |
799 |
|
if (cmd_id != 0x12 /*DT1*/) goto free_sysex_data; |
800 |
|
|
801 |
|
// command address |
802 |
|
uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB) |
803 |
|
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
804 |
|
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
805 |
|
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
806 |
|
} |
807 |
|
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
808 |
|
} |
809 |
|
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
810 |
|
switch (addr[3]) { |
811 |
|
case 0x40: { // scale tuning |
812 |
|
uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave |
813 |
|
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
814 |
|
uint8_t checksum; |
815 |
|
if (!reader.pop(&checksum)) goto free_sysex_data; |
816 |
|
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
817 |
|
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
818 |
|
AdjustScale((int8_t*) scale_tunes); |
819 |
|
break; |
820 |
|
} |
821 |
|
} |
822 |
|
} |
823 |
|
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x20) { // Part Parameters (2) |
824 |
|
} |
825 |
|
else if (addr[0] == 0x41) { // Drum Setup Parameters |
826 |
|
} |
827 |
|
break; |
828 |
|
} |
829 |
|
} |
830 |
|
|
831 |
|
free_sysex_data: // finally free sysex data |
832 |
|
pSysexBuffer->increment_read_ptr(pSysexEvent->Param.Sysex.Size); |
833 |
|
} |
834 |
|
|
835 |
|
/** |
836 |
|
* Calculates the Roland GS sysex check sum. |
837 |
|
* |
838 |
|
* @param AddrReader - reader which currently points to the first GS |
839 |
|
* command address byte of the GS sysex message in |
840 |
|
* question |
841 |
|
* @param DataSize - size of the GS message data (in bytes) |
842 |
|
*/ |
843 |
|
uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize) { |
844 |
|
RingBuffer<uint8_t>::NonVolatileReader reader = AddrReader; |
845 |
|
uint bytes = 3 /*addr*/ + DataSize; |
846 |
|
uint8_t addr_and_data[bytes]; |
847 |
|
reader.read(&addr_and_data[0], bytes); |
848 |
|
uint8_t sum = 0; |
849 |
|
for (uint i = 0; i < bytes; i++) sum += addr_and_data[i]; |
850 |
|
return 128 - sum % 128; |
851 |
|
} |
852 |
|
|
853 |
|
/** |
854 |
|
* Allows to tune each of the twelve semitones of an octave. |
855 |
|
* |
856 |
|
* @param ScaleTunes - detuning of all twelve semitones (in cents) |
857 |
|
*/ |
858 |
|
void Engine::AdjustScale(int8_t ScaleTunes[12]) { |
859 |
|
memcpy(&this->ScaleTuning[0], &ScaleTunes[0], 12); //TODO: currently not sample accurate |
860 |
|
} |
861 |
|
|
862 |
|
/** |
863 |
* Initialize the parameter sequence for the modulation destination given by |
* Initialize the parameter sequence for the modulation destination given by |
864 |
* by 'dst' with the constant value given by val. |
* by 'dst' with the constant value given by val. |
865 |
*/ |
*/ |
963 |
} |
} |
964 |
|
|
965 |
String Engine::Version() { |
String Engine::Version() { |
966 |
String s = "$Revision: 1.11 $"; |
String s = "$Revision: 1.13 $"; |
967 |
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 |
968 |
} |
} |
969 |
|
|