64 |
engines[pDevice] = pEngine; |
engines[pDevice] = pEngine; |
65 |
} |
} |
66 |
// register engine channel to the engine instance |
// register engine channel to the engine instance |
67 |
pEngine->engineChannels.push_back(pChannel); |
pEngine->engineChannels.add(pChannel); |
68 |
|
// remember index in the ArrayList |
69 |
|
pChannel->iEngineIndexSelf = pEngine->engineChannels.size() - 1; |
70 |
dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
71 |
return pEngine; |
return pEngine; |
72 |
} |
} |
96 |
else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
97 |
} |
} |
98 |
|
|
99 |
|
/** |
100 |
|
* Constructor |
101 |
|
*/ |
102 |
Engine::Engine() { |
Engine::Engine() { |
103 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
104 |
pDiskThread = NULL; |
pDiskThread = NULL; |
105 |
pEventGenerator = NULL; |
pEventGenerator = NULL; |
106 |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
107 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
108 |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
109 |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
110 |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
111 |
pEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
|
pCCEvents = new RTList<Event>(pEventPool); |
|
|
|
|
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
pSynthesisEvents[i] = new RTList<Event>(pEventPool); |
|
|
} |
|
112 |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
113 |
iterVoice->SetEngine(this); |
iterVoice->SetEngine(this); |
114 |
} |
} |
121 |
ResetInternal(); |
ResetInternal(); |
122 |
} |
} |
123 |
|
|
124 |
|
/** |
125 |
|
* Destructor |
126 |
|
*/ |
127 |
Engine::~Engine() { |
Engine::~Engine() { |
128 |
if (pDiskThread) { |
if (pDiskThread) { |
129 |
dmsg(1,("Stopping disk thread...")); |
dmsg(1,("Stopping disk thread...")); |
131 |
delete pDiskThread; |
delete pDiskThread; |
132 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
133 |
} |
} |
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
|
|
} |
|
|
if (pEvents) delete pEvents; |
|
|
if (pCCEvents) delete pCCEvents; |
|
134 |
if (pEventQueue) delete pEventQueue; |
if (pEventQueue) delete pEventQueue; |
135 |
if (pEventPool) delete pEventPool; |
if (pEventPool) delete pEventPool; |
136 |
if (pVoicePool) { |
if (pVoicePool) { |
184 |
|
|
185 |
// reset voice stealing parameters |
// reset voice stealing parameters |
186 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
187 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
188 |
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
189 |
|
pLastStolenChannel = NULL; |
190 |
|
|
191 |
// reset to normal chromatic scale (means equal temper) |
// reset to normal chromatic scale (means equal temper) |
192 |
memset(&ScaleTuning[0], 0x00, 12); |
memset(&ScaleTuning[0], 0x00, 12); |
204 |
pEventQueue->init(); |
pEventQueue->init(); |
205 |
} |
} |
206 |
|
|
207 |
|
/** |
208 |
|
* Connect this engine instance with the given audio output device. |
209 |
|
* This method will be called when an Engine instance is created. |
210 |
|
* All of the engine's data structures which are dependant to the used |
211 |
|
* audio output device / driver will be (re)allocated and / or |
212 |
|
* adjusted appropriately. |
213 |
|
* |
214 |
|
* @param pAudioOut - audio output device to connect to |
215 |
|
*/ |
216 |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
217 |
pAudioOutputDevice = pAudioOut; |
pAudioOutputDevice = pAudioOut; |
218 |
|
|
227 |
throw LinuxSamplerException(msg); |
throw LinuxSamplerException(msg); |
228 |
} |
} |
229 |
|
|
230 |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
231 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
232 |
|
|
233 |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
234 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
235 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) |
236 |
throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!"); |
throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!"); |
237 |
|
|
238 |
// (re)create disk thread |
// (re)create disk thread |
239 |
if (this->pDiskThread) { |
if (this->pDiskThread) { |
242 |
delete this->pDiskThread; |
delete this->pDiskThread; |
243 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
244 |
} |
} |
245 |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
246 |
if (!pDiskThread) { |
if (!pDiskThread) { |
247 |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
248 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
287 |
} |
} |
288 |
} |
} |
289 |
|
|
290 |
|
/** |
291 |
|
* Clear all engine global event lists. |
292 |
|
*/ |
293 |
void Engine::ClearEventLists() { |
void Engine::ClearEventLists() { |
294 |
pEvents->clear(); |
pGlobalEvents->clear(); |
|
pCCEvents->clear(); |
|
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
pSynthesisEvents[i]->clear(); |
|
|
} |
|
295 |
} |
} |
296 |
|
|
297 |
/** |
/** |
298 |
* Copy all events from the given input queue buffer to the engine's |
* Copy all events from the engine's global input queue buffer to the |
299 |
* internal event list. This will be done at the beginning of each audio |
* engine's internal event list. This will be done at the beginning of |
300 |
* cycle (that is each RenderAudio() call) to get all events which have |
* each audio cycle (that is each RenderAudio() call) to distinguish |
301 |
* to be processed in the current audio cycle. Each EngineChannel has |
* all global events which have to be processed in the current audio |
302 |
* it's own input event queue for the common channel specific events |
* cycle. These events are usually just SysEx messages. Every |
303 |
* (like NoteOn, NoteOff and ControlChange events). Beside that, the |
* EngineChannel has it's own input event queue buffer and event list |
304 |
* engine also has a input event queue for global events (usually SysEx |
* to handle common events like NoteOn, NoteOff and ControlChange |
305 |
* message). |
* events. |
306 |
* |
* |
307 |
* @param pEventQueue - input event buffer to read from |
* @param Samples - number of sample points to be processed in the |
308 |
* @param Samples - number of sample points to be processed in the |
* current audio cycle |
|
* current audio cycle |
|
309 |
*/ |
*/ |
310 |
void Engine::ImportEvents(RingBuffer<Event>* pEventQueue, uint Samples) { |
void Engine::ImportEvents(uint Samples) { |
311 |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
312 |
Event* pEvent; |
Event* pEvent; |
313 |
while (true) { |
while (true) { |
321 |
break; |
break; |
322 |
} |
} |
323 |
// copy event to internal event list |
// copy event to internal event list |
324 |
if (pEvents->poolIsEmpty()) { |
if (pGlobalEvents->poolIsEmpty()) { |
325 |
dmsg(1,("Event pool emtpy!\n")); |
dmsg(1,("Event pool emtpy!\n")); |
326 |
break; |
break; |
327 |
} |
} |
328 |
*pEvents->allocAppend() = *pEvent; |
*pGlobalEvents->allocAppend() = *pEvent; |
329 |
} |
} |
330 |
eventQueueReader.free(); // free all copied events from input queue |
eventQueueReader.free(); // free all copied events from input queue |
331 |
} |
} |
352 |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
353 |
pEventGenerator->UpdateFragmentTime(Samples); |
pEventGenerator->UpdateFragmentTime(Samples); |
354 |
|
|
|
// empty the engine's event lists for the new fragment |
|
|
ClearEventLists(); |
|
|
|
|
355 |
// get all events from the engine's global input event queue which belong to the current fragment |
// get all events from the engine's global input event queue which belong to the current fragment |
356 |
// (these are usually just SysEx messages) |
// (these are usually just SysEx messages) |
357 |
ImportEvents(this->pEventQueue, Samples); |
ImportEvents(Samples); |
358 |
|
|
359 |
// process engine global events (these are currently only MIDI System Exclusive messages) |
// process engine global events (these are currently only MIDI System Exclusive messages) |
360 |
{ |
{ |
361 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pGlobalEvents->first(); |
362 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pGlobalEvents->end(); |
363 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
364 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
365 |
case Event::type_sysex: |
case Event::type_sysex: |
370 |
} |
} |
371 |
} |
} |
372 |
|
|
373 |
|
// We only allow a maximum of CONFIG_MAX_VOICES voices to be stolen |
374 |
|
// in each audio fragment. All subsequent request for spawning new |
375 |
|
// voices in the same audio fragment will be ignored. |
376 |
|
VoiceTheftsLeft = CONFIG_MAX_VOICES; |
377 |
|
|
378 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
379 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
380 |
|
|
381 |
// render audio for all engine channels |
|
382 |
// TODO: should we make voice stealing engine globally? unfortunately this would mean other disadvantages so I left voice stealing in the engine channel space for now |
// handle events on all engine channels |
383 |
{ |
for (int i = 0; i < engineChannels.size(); i++) { |
384 |
std::list<EngineChannel*>::iterator itChannel = engineChannels.begin(); |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
385 |
std::list<EngineChannel*>::iterator end = engineChannels.end(); |
ProcessEvents(engineChannels[i], Samples); |
386 |
for (; itChannel != end; itChannel++) { |
} |
387 |
if (!(*itChannel)->pInstrument) continue; // ignore if no instrument loaded |
|
388 |
RenderAudio(*itChannel, Samples); |
// render all 'normal', active voices on all engine channels |
389 |
} |
for (int i = 0; i < engineChannels.size(); i++) { |
390 |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
391 |
|
RenderActiveVoices(engineChannels[i], Samples); |
392 |
} |
} |
393 |
|
|
394 |
|
// now that all ordinary voices on ALL engine channels are rendered, render new stolen voices |
395 |
|
RenderStolenVoices(Samples); |
396 |
|
|
397 |
|
// handle cleanup on all engine channels for the next audio fragment |
398 |
|
for (int i = 0; i < engineChannels.size(); i++) { |
399 |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
400 |
|
PostProcess(engineChannels[i]); |
401 |
|
} |
402 |
|
|
403 |
|
|
404 |
|
// empty the engine's event list for the next audio fragment |
405 |
|
ClearEventLists(); |
406 |
|
|
407 |
|
// reset voice stealing for the next audio fragment |
408 |
|
pVoiceStealingQueue->clear(); |
409 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
410 |
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
411 |
|
pLastStolenChannel = NULL; |
412 |
|
|
413 |
// just some statistics about this engine instance |
// just some statistics about this engine instance |
414 |
ActiveVoiceCount = ActiveVoiceCountTemp; |
ActiveVoiceCount = ActiveVoiceCountTemp; |
415 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
416 |
|
|
417 |
|
FrameTime += Samples; |
418 |
|
|
419 |
return 0; |
return 0; |
420 |
} |
} |
421 |
|
|
422 |
void Engine::RenderAudio(EngineChannel* pEngineChannel, uint Samples) { |
/** |
423 |
// empty the engine's event lists for the new fragment |
* Dispatch and handle all events in this audio fragment for the given |
424 |
ClearEventLists(); |
* engine channel. |
425 |
// empty the engine channel's, MIDI key specific event lists |
* |
426 |
{ |
* @param pEngineChannel - engine channel on which events should be |
427 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* processed |
428 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* @param Samples - amount of sample points to be processed in |
429 |
for(; iuiKey != end; ++iuiKey) { |
* this audio fragment cycle |
430 |
pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
*/ |
431 |
} |
void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) { |
|
} |
|
|
|
|
|
|
|
432 |
// get all events from the engine channels's input event queue which belong to the current fragment |
// get all events from the engine channels's input event queue which belong to the current fragment |
433 |
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
434 |
ImportEvents(pEngineChannel->pEventQueue, Samples); |
pEngineChannel->ImportEvents(Samples); |
|
|
|
435 |
|
|
436 |
// process events |
// process events |
437 |
{ |
{ |
438 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first(); |
439 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pEngineChannel->pEvents->end(); |
440 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
441 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
442 |
case Event::type_note_on: |
case Event::type_note_on: |
458 |
} |
} |
459 |
} |
} |
460 |
} |
} |
461 |
|
} |
462 |
|
|
463 |
|
/** |
464 |
// render audio from all active voices |
* Render all 'normal' voices (that is voices which were not stolen in |
465 |
{ |
* this fragment) on the given engine channel. |
466 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* |
467 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* @param pEngineChannel - engine channel on which audio should be |
468 |
while (iuiKey != end) { // iterate through all active keys |
* rendered |
469 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
* @param Samples - amount of sample points to be rendered in |
470 |
++iuiKey; |
* this audio fragment cycle |
471 |
|
*/ |
472 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
473 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
474 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
475 |
// now render current voice |
while (iuiKey != end) { // iterate through all active keys |
476 |
itVoice->Render(Samples); |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
477 |
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
++iuiKey; |
478 |
else { // voice reached end, is now inactive |
|
479 |
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
480 |
} |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
481 |
|
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
482 |
|
// now render current voice |
483 |
|
itVoice->Render(Samples); |
484 |
|
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
485 |
|
else { // voice reached end, is now inactive |
486 |
|
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
487 |
} |
} |
488 |
} |
} |
489 |
} |
} |
490 |
|
} |
491 |
|
|
492 |
|
/** |
493 |
// now render all postponed voices from voice stealing |
* Render all stolen voices (only voices which were stolen in this |
494 |
{ |
* fragment) on the given engine channel. Stolen voices are rendered |
495 |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
* after all normal voices have been rendered; this is needed to render |
496 |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
* audio of those voices which were selected for voice stealing until |
497 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
* the point were the stealing (that is the take over of the voice) |
498 |
Pool<Voice>::Iterator itNewVoice = |
* actually happened. |
499 |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
* |
500 |
if (itNewVoice) { |
* @param pEngineChannel - engine channel on which audio should be |
501 |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
* rendered |
502 |
itNewVoice->Render(Samples); |
* @param Samples - amount of sample points to be rendered in |
503 |
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
* this audio fragment cycle |
504 |
else { // voice reached end, is now inactive |
*/ |
505 |
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
void Engine::RenderStolenVoices(uint Samples) { |
506 |
} |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
507 |
} |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
508 |
|
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
509 |
|
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
510 |
|
Pool<Voice>::Iterator itNewVoice = |
511 |
|
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
512 |
|
if (itNewVoice) { |
513 |
|
itNewVoice->Render(Samples); |
514 |
|
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
515 |
|
else { // voice reached end, is now inactive |
516 |
|
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
517 |
} |
} |
|
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
|
518 |
} |
} |
519 |
} |
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
|
// reset voice stealing for the new fragment |
|
|
pVoiceStealingQueue->clear(); |
|
|
pEngineChannel->itLastStolenVoice = RTList<Voice>::Iterator(); |
|
|
pEngineChannel->iuiLastStolenKey = RTList<uint>::Iterator(); |
|
520 |
|
|
521 |
|
// we need to clear the key's event list explicitly here in case key was never active |
522 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key]; |
523 |
|
pKey->VoiceTheftsQueued--; |
524 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear(); |
525 |
|
} |
526 |
|
} |
527 |
|
|
528 |
|
/** |
529 |
|
* Free all keys which have turned inactive in this audio fragment, from |
530 |
|
* the list of active keys and clear all event lists on that engine |
531 |
|
* channel. |
532 |
|
* |
533 |
|
* @param pEngineChannel - engine channel to cleanup |
534 |
|
*/ |
535 |
|
void Engine::PostProcess(EngineChannel* pEngineChannel) { |
536 |
// free all keys which have no active voices left |
// free all keys which have no active voices left |
537 |
{ |
{ |
538 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
541 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
542 |
++iuiKey; |
++iuiKey; |
543 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
544 |
#if DEVMODE |
#if CONFIG_DEVMODE |
545 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // just a sanity check for debugging |
546 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
547 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
548 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
551 |
} |
} |
552 |
} |
} |
553 |
} |
} |
554 |
#endif // DEVMODE |
#endif // CONFIG_DEVMODE |
555 |
} |
} |
556 |
} |
} |
557 |
|
|
558 |
|
// empty the engine channel's own event lists |
559 |
|
pEngineChannel->ClearEventLists(); |
560 |
} |
} |
561 |
|
|
562 |
/** |
/** |
586 |
// finally place sysex event into input event queue |
// finally place sysex event into input event queue |
587 |
pEventQueue->push(&event); |
pEventQueue->push(&event); |
588 |
} |
} |
589 |
else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,SYSEX_BUFFER_SIZE)); |
else dmsg(1,("Engine: Sysex message too large (%d byte) for input buffer (%d byte)!",Size,CONFIG_SYSEX_BUFFER_SIZE)); |
590 |
} |
} |
591 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
592 |
} |
} |
612 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
613 |
|
|
614 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
615 |
|
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
616 |
|
pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
617 |
|
|
618 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
619 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
628 |
// move note on event to the key's own event list |
// move note on event to the key's own event list |
629 |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
630 |
|
|
631 |
// allocate and trigger a new voice for the key |
// allocate and trigger new voice(s) for the key |
632 |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true); |
{ |
633 |
|
// first, get total amount of required voices (dependant on amount of layers) |
634 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key); |
635 |
|
if (pRegion) { |
636 |
|
int voicesRequired = pRegion->Layers; |
637 |
|
// now launch the required amount of voices |
638 |
|
for (int i = 0; i < voicesRequired; i++) |
639 |
|
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true); |
640 |
|
} |
641 |
|
} |
642 |
|
|
643 |
|
// if neither a voice was spawned or postponed then remove note on event from key again |
644 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
645 |
|
pKey->pEvents->free(itNoteOnEventOnKeyList); |
646 |
|
|
647 |
pKey->RoundRobinIndex++; |
pKey->RoundRobinIndex++; |
648 |
} |
} |
664 |
// release voices on this key if needed |
// release voices on this key if needed |
665 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
666 |
itNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
|
} |
|
667 |
|
|
668 |
// move event to the key's own event list |
// move event to the key's own event list |
669 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
670 |
|
|
671 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
672 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
673 |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
// first, get total amount of required voices (dependant on amount of layers) |
674 |
pKey->ReleaseTrigger = false; |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
675 |
|
if (pRegion) { |
676 |
|
int voicesRequired = pRegion->Layers; |
677 |
|
|
678 |
|
// MIDI note-on velocity is used instead of note-off velocity |
679 |
|
itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity; |
680 |
|
|
681 |
|
// now launch the required amount of voices |
682 |
|
for (int i = 0; i < voicesRequired; i++) |
683 |
|
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
684 |
|
} |
685 |
|
pKey->ReleaseTrigger = false; |
686 |
|
} |
687 |
|
|
688 |
|
// if neither a voice was spawned or postponed then remove note off event from key again |
689 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
690 |
|
pKey->pEvents->free(itNoteOffEventOnKeyList); |
691 |
} |
} |
692 |
} |
} |
693 |
|
|
700 |
*/ |
*/ |
701 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
702 |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
703 |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]); |
704 |
} |
} |
705 |
|
|
706 |
/** |
/** |
759 |
} |
} |
760 |
} |
} |
761 |
else if (VoiceStealing) { |
else if (VoiceStealing) { |
762 |
// first, get total amount of required voices (dependant on amount of layers) |
// try to steal one voice |
763 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
int result = StealVoice(pEngineChannel, itNoteOnEvent); |
764 |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
if (!result) { // voice stolen successfully |
765 |
int voicesRequired = pRegion->Layers; |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
766 |
|
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
767 |
// now steal the (remaining) amount of voices |
if (itStealEvent) { |
768 |
for (int i = iLayer; i < voicesRequired; i++) |
*itStealEvent = *itNoteOnEvent; // copy event |
769 |
StealVoice(pEngineChannel, itNoteOnEvent); |
itStealEvent->Param.Note.Layer = iLayer; |
770 |
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
771 |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
pKey->VoiceTheftsQueued++; |
772 |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
} |
773 |
if (itStealEvent) { |
else dmsg(1,("Voice stealing queue full!\n")); |
|
*itStealEvent = *itNoteOnEvent; // copy event |
|
|
itStealEvent->Param.Note.Layer = iLayer; |
|
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
|
774 |
} |
} |
|
else dmsg(1,("Voice stealing queue full!\n")); |
|
775 |
} |
} |
776 |
|
|
777 |
return Pool<Voice>::Iterator(); // no free voice or error |
return Pool<Voice>::Iterator(); // no free voice or error |
785 |
* |
* |
786 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
787 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
788 |
|
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
789 |
*/ |
*/ |
790 |
void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
791 |
|
if (!VoiceTheftsLeft) { |
792 |
|
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n")); |
793 |
|
return -1; |
794 |
|
} |
795 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
796 |
|
|
797 |
RTList<uint>::Iterator iuiOldestKey; |
RTList<Voice>::Iterator itSelectedVoice; |
|
RTList<Voice>::Iterator itOldestVoice; |
|
798 |
|
|
799 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
800 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (CONFIG_VOICE_STEAL_ALGO) { |
801 |
|
|
802 |
// try to pick the oldest voice on the key where the new |
// try to pick the oldest voice on the key where the new |
803 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
804 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill, then procceed with |
805 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
806 |
case voice_steal_algo_keymask: { |
case voice_steal_algo_oldestvoiceonkey: { |
807 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
808 |
if (pEngineChannel->itLastStolenVoice) { |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
809 |
itOldestVoice = pEngineChannel->itLastStolenVoice; |
// proceed iterating if voice was created in this fragment cycle |
810 |
++itOldestVoice; |
while (itSelectedVoice && !itSelectedVoice->hasRendered()) ++itSelectedVoice; |
811 |
} |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
812 |
else { // no voice stolen in this audio fragment cycle yet |
if (itSelectedVoice && itSelectedVoice->hasRendered()) break; |
|
itOldestVoice = pOldestKey->pActiveVoices->first(); |
|
|
} |
|
|
if (itOldestVoice) { |
|
|
iuiOldestKey = pOldestKey->itSelf; |
|
|
break; // selection succeeded |
|
|
} |
|
813 |
} // no break - intentional ! |
} // no break - intentional ! |
814 |
|
|
815 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
816 |
// (caution: must stay after 'keymask' algorithm !) |
// from the same engine channel |
817 |
|
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
818 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
819 |
if (pEngineChannel->itLastStolenVoice) { |
if (this->itLastStolenVoice) { |
820 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*pEngineChannel->iuiLastStolenKey]; |
itSelectedVoice = this->itLastStolenVoice; |
821 |
itOldestVoice = pEngineChannel->itLastStolenVoice; |
++itSelectedVoice; |
822 |
++itOldestVoice; |
if (itSelectedVoice) break; // selection succeeded |
823 |
if (!itOldestVoice) { |
RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey; |
824 |
iuiOldestKey = pEngineChannel->iuiLastStolenKey; |
++iuiSelectedKey; |
825 |
++iuiOldestKey; |
if (iuiSelectedKey) { |
826 |
if (iuiOldestKey) { |
this->iuiLastStolenKey = iuiSelectedKey; |
827 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
828 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
829 |
} |
break; // selection succeeded |
|
else { |
|
|
dmsg(1,("gig::Engine: Warning, too less voices, even for voice stealing! - Better recompile with higher MAX_AUDIO_VOICES.\n")); |
|
|
return; |
|
|
} |
|
830 |
} |
} |
|
else iuiOldestKey = pEngineChannel->iuiLastStolenKey; |
|
|
} |
|
|
else { // no voice stolen in this audio fragment cycle yet |
|
|
iuiOldestKey = pEngineChannel->pActiveKeys->first(); |
|
|
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
|
|
itOldestVoice = pOldestKey->pActiveVoices->first(); |
|
831 |
} |
} |
832 |
break; |
break; |
833 |
} |
} |
836 |
case voice_steal_algo_none: |
case voice_steal_algo_none: |
837 |
default: { |
default: { |
838 |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
839 |
return; |
return -1; |
840 |
} |
} |
841 |
} |
} |
842 |
|
|
843 |
//FIXME: can be removed, just a sanity check for debugging |
// if we couldn't steal a voice from the same engine channel then |
844 |
if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
// steal oldest voice on the oldest key from any other engine channel |
845 |
|
if (!itSelectedVoice) { |
846 |
|
EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel; |
847 |
|
int iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
848 |
|
while (true) { |
849 |
|
RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first(); |
850 |
|
if (iuiSelectedKey) { |
851 |
|
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
852 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
853 |
|
iuiLastStolenKey = iuiSelectedKey; |
854 |
|
pLastStolenChannel = pSelectedChannel; |
855 |
|
break; // selection succeeded |
856 |
|
} |
857 |
|
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
858 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
859 |
|
} |
860 |
|
} |
861 |
|
|
862 |
|
#if CONFIG_DEVMODE |
863 |
|
if (!itSelectedVoice->IsActive()) { |
864 |
|
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
865 |
|
return -1; |
866 |
|
} |
867 |
|
#endif // CONFIG_DEVMODE |
868 |
|
|
869 |
// now kill the selected voice |
// now kill the selected voice |
870 |
itOldestVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
871 |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
|
872 |
pEngineChannel->itLastStolenVoice = itOldestVoice; |
// remember which voice we stole, so we can simply proceed for the next voice stealing |
873 |
pEngineChannel->iuiLastStolenKey = iuiOldestKey; |
itLastStolenVoice = itSelectedVoice; |
874 |
|
|
875 |
|
--VoiceTheftsLeft; |
876 |
|
|
877 |
|
return 0; // success |
878 |
|
} |
879 |
|
else { |
880 |
|
dmsg(1,("Event pool emtpy!\n")); |
881 |
|
return -1; |
882 |
} |
} |
|
else dmsg(1,("Event pool emtpy!\n")); |
|
883 |
} |
} |
884 |
|
|
885 |
/** |
/** |
938 |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
939 |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
940 |
|
|
941 |
switch (itControlChangeEvent->Param.CC.Controller) { |
// update controller value in the engine channel's controller table |
942 |
|
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
943 |
|
|
944 |
|
// move event from the unsorted event list to the control change event list |
945 |
|
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents); |
946 |
|
|
947 |
|
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
948 |
case 7: { // volume |
case 7: { // volume |
949 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
950 |
pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f; |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
951 |
break; |
break; |
952 |
} |
} |
953 |
case 10: { // panpot |
case 10: { // panpot |
954 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
955 |
const int pan = (int) itControlChangeEvent->Param.CC.Value - 64; |
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
956 |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
957 |
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
958 |
break; |
break; |
959 |
} |
} |
960 |
case 64: { // sustain |
case 64: { // sustain |
961 |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
962 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
963 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
964 |
|
|
965 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
966 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
967 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
968 |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
969 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
970 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
971 |
++iuiKey; |
if (itNewEvent) { |
972 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
973 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
|
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
974 |
} |
} |
975 |
|
else dmsg(1,("Event pool emtpy!\n")); |
976 |
} |
} |
977 |
} |
} |
978 |
} |
} |
979 |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
980 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
981 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
982 |
|
|
983 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
984 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
985 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
986 |
itControlChangeEvent->Type = Event::type_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
987 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
988 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
989 |
++iuiKey; |
if (itNewEvent) { |
990 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
991 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
itNewEvent->Type = Event::type_release; // transform event type |
|
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
992 |
} |
} |
993 |
|
else dmsg(1,("Event pool emtpy!\n")); |
994 |
} |
} |
995 |
} |
} |
996 |
} |
} |
997 |
break; |
break; |
998 |
} |
} |
|
} |
|
999 |
|
|
|
// update controller value in the engine's controller table |
|
|
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
|
1000 |
|
|
1001 |
// move event from the unsorted event list to the control change event list |
// Channel Mode Messages |
1002 |
itControlChangeEvent.moveToEndOf(pCCEvents); |
|
1003 |
|
case 120: { // all sound off |
1004 |
|
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1005 |
|
break; |
1006 |
|
} |
1007 |
|
case 121: { // reset all controllers |
1008 |
|
pEngineChannel->ResetControllers(); |
1009 |
|
break; |
1010 |
|
} |
1011 |
|
case 123: { // all notes off |
1012 |
|
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1013 |
|
break; |
1014 |
|
} |
1015 |
|
} |
1016 |
} |
} |
1017 |
|
|
1018 |
/** |
/** |
1030 |
|
|
1031 |
switch (id) { |
switch (id) { |
1032 |
case 0x41: { // Roland |
case 0x41: { // Roland |
1033 |
|
dmsg(3,("Roland Sysex\n")); |
1034 |
uint8_t device_id, model_id, cmd_id; |
uint8_t device_id, model_id, cmd_id; |
1035 |
if (!reader.pop(&device_id)) goto free_sysex_data; |
if (!reader.pop(&device_id)) goto free_sysex_data; |
1036 |
if (!reader.pop(&model_id)) goto free_sysex_data; |
if (!reader.pop(&model_id)) goto free_sysex_data; |
1043 |
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
1044 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
1045 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
1046 |
|
dmsg(3,("\tSystem Parameter\n")); |
1047 |
} |
} |
1048 |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
1049 |
|
dmsg(3,("\tCommon Parameter\n")); |
1050 |
} |
} |
1051 |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
1052 |
switch (addr[3]) { |
dmsg(3,("\tPart Parameter\n")); |
1053 |
|
switch (addr[2]) { |
1054 |
case 0x40: { // scale tuning |
case 0x40: { // scale tuning |
1055 |
|
dmsg(3,("\t\tScale Tuning\n")); |
1056 |
uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave |
uint8_t scale_tunes[12]; // detuning of all 12 semitones of an octave |
1057 |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
1058 |
uint8_t checksum; |
uint8_t checksum; |
1059 |
if (!reader.pop(&checksum)) goto free_sysex_data; |
if (!reader.pop(&checksum)) goto free_sysex_data; |
1060 |
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
#if CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1061 |
|
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
1062 |
|
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1063 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
1064 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScale((int8_t*) scale_tunes); |
1065 |
|
dmsg(3,("\t\t\tNew scale applied.\n")); |
1066 |
break; |
break; |
1067 |
} |
} |
1068 |
} |
} |
1107 |
} |
} |
1108 |
|
|
1109 |
/** |
/** |
1110 |
|
* Releases all voices on an engine channel. All voices will go into |
1111 |
|
* the release stage and thus it might take some time (e.g. dependant to |
1112 |
|
* their envelope release time) until they actually die. |
1113 |
|
* |
1114 |
|
* @param pEngineChannel - engine channel on which all voices should be released |
1115 |
|
* @param itReleaseEvent - event which caused this releasing of all voices |
1116 |
|
*/ |
1117 |
|
void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) { |
1118 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1119 |
|
while (iuiKey) { |
1120 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1121 |
|
++iuiKey; |
1122 |
|
// append a 'release' event to the key's own event list |
1123 |
|
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1124 |
|
if (itNewEvent) { |
1125 |
|
*itNewEvent = *itReleaseEvent; // copy original event (to the key's event list) |
1126 |
|
itNewEvent->Type = Event::type_release; // transform event type |
1127 |
|
} |
1128 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1129 |
|
} |
1130 |
|
} |
1131 |
|
|
1132 |
|
/** |
1133 |
|
* Kills all voices on an engine channel as soon as possible. Voices |
1134 |
|
* won't get into release state, their volume level will be ramped down |
1135 |
|
* as fast as possible. |
1136 |
|
* |
1137 |
|
* @param pEngineChannel - engine channel on which all voices should be killed |
1138 |
|
* @param itKillEvent - event which caused this killing of all voices |
1139 |
|
*/ |
1140 |
|
void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) { |
1141 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1142 |
|
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
1143 |
|
while (iuiKey != end) { // iterate through all active keys |
1144 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1145 |
|
++iuiKey; |
1146 |
|
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
1147 |
|
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
1148 |
|
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
1149 |
|
itVoice->Kill(itKillEvent); |
1150 |
|
} |
1151 |
|
} |
1152 |
|
} |
1153 |
|
|
1154 |
|
/** |
1155 |
* Initialize the parameter sequence for the modulation destination given by |
* Initialize the parameter sequence for the modulation destination given by |
1156 |
* by 'dst' with the constant value given by val. |
* by 'dst' with the constant value given by val. |
1157 |
*/ |
*/ |
1195 |
} |
} |
1196 |
|
|
1197 |
String Engine::EngineName() { |
String Engine::EngineName() { |
1198 |
return "GigEngine"; |
return LS_GIG_ENGINE_NAME; |
1199 |
} |
} |
1200 |
|
|
1201 |
String Engine::Description() { |
String Engine::Description() { |
1203 |
} |
} |
1204 |
|
|
1205 |
String Engine::Version() { |
String Engine::Version() { |
1206 |
String s = "$Revision: 1.30 $"; |
String s = "$Revision: 1.40 $"; |
1207 |
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 |
1208 |
} |
} |
1209 |
|
|