56 |
// check if there's already an engine for the given audio output device |
// check if there's already an engine for the given audio output device |
57 |
if (engines.count(pDevice)) { |
if (engines.count(pDevice)) { |
58 |
dmsg(4,("Using existing gig::Engine.\n")); |
dmsg(4,("Using existing gig::Engine.\n")); |
59 |
pEngine = engines[pDevice]; |
pEngine = engines[pDevice]; |
60 |
} else { // create a new engine (and disk thread) instance for the given audio output device |
} else { // create a new engine (and disk thread) instance for the given audio output device |
61 |
dmsg(4,("Creating new gig::Engine.\n")); |
dmsg(4,("Creating new gig::Engine.\n")); |
62 |
pEngine = (Engine*) EngineFactory::Create("gig"); |
pEngine = (Engine*) EngineFactory::Create("gig"); |
63 |
pEngine->Connect(pDevice); |
pEngine->Connect(pDevice); |
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 |
} |
} |
119 |
pMainFilterParameters = NULL; |
pMainFilterParameters = NULL; |
120 |
|
|
121 |
ResetInternal(); |
ResetInternal(); |
122 |
|
ResetScaleTuning(); |
123 |
} |
} |
124 |
|
|
125 |
|
/** |
126 |
|
* Destructor |
127 |
|
*/ |
128 |
Engine::~Engine() { |
Engine::~Engine() { |
129 |
if (pDiskThread) { |
if (pDiskThread) { |
130 |
dmsg(1,("Stopping disk thread...")); |
dmsg(1,("Stopping disk thread...")); |
132 |
delete pDiskThread; |
delete pDiskThread; |
133 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
134 |
} |
} |
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
|
|
} |
|
|
if (pEvents) delete pEvents; |
|
|
if (pCCEvents) delete pCCEvents; |
|
135 |
if (pEventQueue) delete pEventQueue; |
if (pEventQueue) delete pEventQueue; |
136 |
if (pEventPool) delete pEventPool; |
if (pEventPool) delete pEventPool; |
137 |
if (pVoicePool) { |
if (pVoicePool) { |
172 |
void Engine::Reset() { |
void Engine::Reset() { |
173 |
DisableAndLock(); |
DisableAndLock(); |
174 |
ResetInternal(); |
ResetInternal(); |
175 |
|
ResetScaleTuning(); |
176 |
Enable(); |
Enable(); |
177 |
} |
} |
178 |
|
|
186 |
|
|
187 |
// reset voice stealing parameters |
// reset voice stealing parameters |
188 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
189 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
190 |
// reset to normal chromatic scale (means equal temper) |
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
191 |
memset(&ScaleTuning[0], 0x00, 12); |
iuiLastStolenKey = RTList<uint>::Iterator(); |
192 |
|
iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
193 |
|
pLastStolenChannel = NULL; |
194 |
|
|
195 |
// reset all voices |
// reset all voices |
196 |
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()) { |
203 |
|
|
204 |
// delete all input events |
// delete all input events |
205 |
pEventQueue->init(); |
pEventQueue->init(); |
206 |
} |
} |
207 |
|
|
208 |
|
/** |
209 |
|
* Reset to normal, chromatic scale (means equal tempered). |
210 |
|
*/ |
211 |
|
void Engine::ResetScaleTuning() { |
212 |
|
memset(&ScaleTuning[0], 0x00, 12); |
213 |
|
} |
214 |
|
|
215 |
|
/** |
216 |
|
* Connect this engine instance with the given audio output device. |
217 |
|
* This method will be called when an Engine instance is created. |
218 |
|
* All of the engine's data structures which are dependant to the used |
219 |
|
* audio output device / driver will be (re)allocated and / or |
220 |
|
* adjusted appropriately. |
221 |
|
* |
222 |
|
* @param pAudioOut - audio output device to connect to |
223 |
|
*/ |
224 |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
225 |
pAudioOutputDevice = pAudioOut; |
pAudioOutputDevice = pAudioOut; |
226 |
|
|
234 |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
235 |
throw LinuxSamplerException(msg); |
throw LinuxSamplerException(msg); |
236 |
} |
} |
237 |
|
|
238 |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
239 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
240 |
|
|
241 |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
242 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
243 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) { |
244 |
throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h too big for current audio fragment size / sampling rate!"); |
std::cerr << "gig::Engine: WARNING, CONFIG_EG_MIN_RELEASE_TIME " |
245 |
|
<< "too big for current audio fragment size & sampling rate! " |
246 |
|
<< "May lead to click sounds if voice stealing chimes in!\n" << std::flush; |
247 |
|
// force volume ramp downs at the beginning of each fragment |
248 |
|
MaxFadeOutPos = 0; |
249 |
|
// lower minimum release time |
250 |
|
const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate; |
251 |
|
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
252 |
|
iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate); |
253 |
|
} |
254 |
|
pVoicePool->clear(); |
255 |
|
} |
256 |
|
|
257 |
// (re)create disk thread |
// (re)create disk thread |
258 |
if (this->pDiskThread) { |
if (this->pDiskThread) { |
261 |
delete this->pDiskThread; |
delete this->pDiskThread; |
262 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
263 |
} |
} |
264 |
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 |
265 |
if (!pDiskThread) { |
if (!pDiskThread) { |
266 |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
267 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
306 |
} |
} |
307 |
} |
} |
308 |
|
|
309 |
|
/** |
310 |
|
* Clear all engine global event lists. |
311 |
|
*/ |
312 |
void Engine::ClearEventLists() { |
void Engine::ClearEventLists() { |
313 |
pEvents->clear(); |
pGlobalEvents->clear(); |
|
pCCEvents->clear(); |
|
|
for (uint i = 0; i < Event::destination_count; i++) { |
|
|
pSynthesisEvents[i]->clear(); |
|
|
} |
|
314 |
} |
} |
315 |
|
|
316 |
/** |
/** |
317 |
* 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 |
318 |
* 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 |
319 |
* cycle (that is each RenderAudio() call) to get all events which have |
* each audio cycle (that is each RenderAudio() call) to distinguish |
320 |
* to be processed in the current audio cycle. Each EngineChannel has |
* all global events which have to be processed in the current audio |
321 |
* it's own input event queue for the common channel specific events |
* cycle. These events are usually just SysEx messages. Every |
322 |
* (like NoteOn, NoteOff and ControlChange events). Beside that, the |
* EngineChannel has it's own input event queue buffer and event list |
323 |
* engine also has a input event queue for global events (usually SysEx |
* to handle common events like NoteOn, NoteOff and ControlChange |
324 |
* message). |
* events. |
325 |
* |
* |
326 |
* @param pEventQueue - input event buffer to read from |
* @param Samples - number of sample points to be processed in the |
327 |
* @param Samples - number of sample points to be processed in the |
* current audio cycle |
|
* current audio cycle |
|
328 |
*/ |
*/ |
329 |
void Engine::ImportEvents(RingBuffer<Event>* pEventQueue, uint Samples) { |
void Engine::ImportEvents(uint Samples) { |
330 |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
331 |
Event* pEvent; |
Event* pEvent; |
332 |
while (true) { |
while (true) { |
340 |
break; |
break; |
341 |
} |
} |
342 |
// copy event to internal event list |
// copy event to internal event list |
343 |
if (pEvents->poolIsEmpty()) { |
if (pGlobalEvents->poolIsEmpty()) { |
344 |
dmsg(1,("Event pool emtpy!\n")); |
dmsg(1,("Event pool emtpy!\n")); |
345 |
break; |
break; |
346 |
} |
} |
347 |
*pEvents->allocAppend() = *pEvent; |
*pGlobalEvents->allocAppend() = *pEvent; |
348 |
} |
} |
349 |
eventQueueReader.free(); // free all copied events from input queue |
eventQueueReader.free(); // free all copied events from input queue |
350 |
} |
} |
351 |
|
|
352 |
/** |
/** |
353 |
* Let this engine proceed to render the given amount of sample points. The |
* Let this engine proceed to render the given amount of sample points. The |
371 |
// 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) |
372 |
pEventGenerator->UpdateFragmentTime(Samples); |
pEventGenerator->UpdateFragmentTime(Samples); |
373 |
|
|
374 |
// empty the engine's event lists for the new fragment |
// We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned |
375 |
ClearEventLists(); |
// in each audio fragment. All subsequent request for spawning new |
376 |
|
// voices in the same audio fragment will be ignored. |
377 |
|
VoiceSpawnsLeft = CONFIG_MAX_VOICES; |
378 |
|
|
379 |
// 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 |
380 |
// (these are usually just SysEx messages) |
// (these are usually just SysEx messages) |
381 |
ImportEvents(this->pEventQueue, Samples); |
ImportEvents(Samples); |
382 |
|
|
383 |
// process engine global events (these are currently only MIDI System Exclusive messages) |
// process engine global events (these are currently only MIDI System Exclusive messages) |
384 |
{ |
{ |
385 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pGlobalEvents->first(); |
386 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pGlobalEvents->end(); |
387 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
388 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
389 |
case Event::type_sysex: |
case Event::type_sysex: |
397 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
398 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
399 |
|
|
400 |
// render audio for all engine channels |
// handle events on all engine channels |
401 |
// 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 |
for (int i = 0; i < engineChannels.size(); i++) { |
402 |
{ |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
403 |
std::list<EngineChannel*>::iterator itChannel = engineChannels.begin(); |
ProcessEvents(engineChannels[i], Samples); |
|
std::list<EngineChannel*>::iterator end = engineChannels.end(); |
|
|
for (; itChannel != end; itChannel++) { |
|
|
if (!(*itChannel)->pInstrument) continue; // ignore if no instrument loaded |
|
|
RenderAudio(*itChannel, Samples); |
|
|
} |
|
404 |
} |
} |
405 |
|
|
406 |
|
// render all 'normal', active voices on all engine channels |
407 |
|
for (int i = 0; i < engineChannels.size(); i++) { |
408 |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
409 |
|
RenderActiveVoices(engineChannels[i], Samples); |
410 |
|
} |
411 |
|
|
412 |
|
// now that all ordinary voices on ALL engine channels are rendered, render new stolen voices |
413 |
|
RenderStolenVoices(Samples); |
414 |
|
|
415 |
|
// handle cleanup on all engine channels for the next audio fragment |
416 |
|
for (int i = 0; i < engineChannels.size(); i++) { |
417 |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
418 |
|
PostProcess(engineChannels[i]); |
419 |
|
} |
420 |
|
|
421 |
|
|
422 |
|
// empty the engine's event list for the next audio fragment |
423 |
|
ClearEventLists(); |
424 |
|
|
425 |
|
// reset voice stealing for the next audio fragment |
426 |
|
pVoiceStealingQueue->clear(); |
427 |
|
|
428 |
// just some statistics about this engine instance |
// just some statistics about this engine instance |
429 |
ActiveVoiceCount = ActiveVoiceCountTemp; |
ActiveVoiceCount = ActiveVoiceCountTemp; |
430 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
431 |
|
|
432 |
|
FrameTime += Samples; |
433 |
|
|
434 |
return 0; |
return 0; |
435 |
} |
} |
436 |
|
|
437 |
void Engine::RenderAudio(EngineChannel* pEngineChannel, uint Samples) { |
/** |
438 |
// empty the engine's event lists for the new fragment |
* Dispatch and handle all events in this audio fragment for the given |
439 |
ClearEventLists(); |
* engine channel. |
440 |
// empty the engine channel's, MIDI key specific event lists |
* |
441 |
{ |
* @param pEngineChannel - engine channel on which events should be |
442 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* processed |
443 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* @param Samples - amount of sample points to be processed in |
444 |
for(; iuiKey != end; ++iuiKey) { |
* this audio fragment cycle |
445 |
pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
*/ |
446 |
} |
void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) { |
|
} |
|
|
|
|
|
|
|
447 |
// 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 |
448 |
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
449 |
ImportEvents(pEngineChannel->pEventQueue, Samples); |
pEngineChannel->ImportEvents(Samples); |
|
|
|
450 |
|
|
451 |
// process events |
// process events |
452 |
{ |
{ |
453 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first(); |
454 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pEngineChannel->pEvents->end(); |
455 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
456 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
457 |
case Event::type_note_on: |
case Event::type_note_on: |
474 |
} |
} |
475 |
} |
} |
476 |
|
|
477 |
|
// reset voice stealing for the next engine channel (or next audio fragment) |
478 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
479 |
|
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
480 |
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
481 |
|
iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
482 |
|
pLastStolenChannel = NULL; |
483 |
|
} |
484 |
|
|
485 |
// render audio from all active voices |
/** |
486 |
{ |
* Render all 'normal' voices (that is voices which were not stolen in |
487 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* this fragment) on the given engine channel. |
488 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* |
489 |
while (iuiKey != end) { // iterate through all active keys |
* @param pEngineChannel - engine channel on which audio should be |
490 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
* rendered |
491 |
++iuiKey; |
* @param Samples - amount of sample points to be rendered in |
492 |
|
* this audio fragment cycle |
493 |
|
*/ |
494 |
|
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
495 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
496 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
497 |
|
#endif |
498 |
|
|
499 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
500 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
501 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
while (iuiKey != end) { // iterate through all active keys |
502 |
// now render current voice |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
503 |
itVoice->Render(Samples); |
++iuiKey; |
504 |
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
|
505 |
else { // voice reached end, is now inactive |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
506 |
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
507 |
} |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
508 |
|
// now render current voice |
509 |
|
itVoice->Render(Samples); |
510 |
|
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
511 |
|
else { // voice reached end, is now inactive |
512 |
|
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
513 |
} |
} |
514 |
} |
} |
515 |
} |
} |
516 |
|
} |
517 |
|
|
518 |
|
/** |
519 |
// now render all postponed voices from voice stealing |
* Render all stolen voices (only voices which were stolen in this |
520 |
{ |
* fragment) on the given engine channel. Stolen voices are rendered |
521 |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
* after all normal voices have been rendered; this is needed to render |
522 |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
* audio of those voices which were selected for voice stealing until |
523 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
* the point were the stealing (that is the take over of the voice) |
524 |
Pool<Voice>::Iterator itNewVoice = |
* actually happened. |
525 |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
* |
526 |
if (itNewVoice) { |
* @param pEngineChannel - engine channel on which audio should be |
527 |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
* rendered |
528 |
itNewVoice->Render(Samples); |
* @param Samples - amount of sample points to be rendered in |
529 |
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
* this audio fragment cycle |
530 |
else { // voice reached end, is now inactive |
*/ |
531 |
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
void Engine::RenderStolenVoices(uint Samples) { |
532 |
} |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
533 |
} |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
534 |
|
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
535 |
|
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
536 |
|
Pool<Voice>::Iterator itNewVoice = |
537 |
|
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false); |
538 |
|
if (itNewVoice) { |
539 |
|
itNewVoice->Render(Samples); |
540 |
|
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
541 |
|
else { // voice reached end, is now inactive |
542 |
|
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
543 |
} |
} |
|
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
|
544 |
} |
} |
545 |
|
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
546 |
|
|
547 |
|
// we need to clear the key's event list explicitly here in case key was never active |
548 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key]; |
549 |
|
pKey->VoiceTheftsQueued--; |
550 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear(); |
551 |
} |
} |
552 |
// reset voice stealing for the new fragment |
} |
|
pVoiceStealingQueue->clear(); |
|
|
pEngineChannel->itLastStolenVoice = RTList<Voice>::Iterator(); |
|
|
pEngineChannel->iuiLastStolenKey = RTList<uint>::Iterator(); |
|
|
|
|
553 |
|
|
554 |
|
/** |
555 |
|
* Free all keys which have turned inactive in this audio fragment, from |
556 |
|
* the list of active keys and clear all event lists on that engine |
557 |
|
* channel. |
558 |
|
* |
559 |
|
* @param pEngineChannel - engine channel to cleanup |
560 |
|
*/ |
561 |
|
void Engine::PostProcess(EngineChannel* pEngineChannel) { |
562 |
// free all keys which have no active voices left |
// free all keys which have no active voices left |
563 |
{ |
{ |
564 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
567 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
568 |
++iuiKey; |
++iuiKey; |
569 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
570 |
#if DEVMODE |
#if CONFIG_DEVMODE |
571 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // just a sanity check for debugging |
572 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
573 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
574 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
577 |
} |
} |
578 |
} |
} |
579 |
} |
} |
580 |
#endif // DEVMODE |
#endif // CONFIG_DEVMODE |
581 |
} |
} |
582 |
} |
} |
583 |
|
|
584 |
|
// empty the engine channel's own event lists |
585 |
|
pEngineChannel->ClearEventLists(); |
586 |
} |
} |
587 |
|
|
588 |
/** |
/** |
612 |
// finally place sysex event into input event queue |
// finally place sysex event into input event queue |
613 |
pEventQueue->push(&event); |
pEventQueue->push(&event); |
614 |
} |
} |
615 |
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)); |
616 |
} |
} |
617 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
618 |
} |
} |
624 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
625 |
*/ |
*/ |
626 |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
627 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
628 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
629 |
|
#endif |
630 |
|
|
631 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
632 |
|
|
633 |
// Change key dimension value if key is in keyswitching area |
// Change key dimension value if key is in keyswitching area |
641 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
642 |
|
|
643 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
644 |
|
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
645 |
|
pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
646 |
|
|
647 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
648 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
657 |
// move note on event to the key's own event list |
// move note on event to the key's own event list |
658 |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
659 |
|
|
660 |
// allocate and trigger a new voice for the key |
// allocate and trigger new voice(s) for the key |
661 |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true); |
{ |
662 |
|
// first, get total amount of required voices (dependant on amount of layers) |
663 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key); |
664 |
|
if (pRegion) { |
665 |
|
int voicesRequired = pRegion->Layers; |
666 |
|
// now launch the required amount of voices |
667 |
|
for (int i = 0; i < voicesRequired; i++) |
668 |
|
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true, true); |
669 |
|
} |
670 |
|
} |
671 |
|
|
672 |
|
// if neither a voice was spawned or postponed then remove note on event from key again |
673 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
674 |
|
pKey->pEvents->free(itNoteOnEventOnKeyList); |
675 |
|
|
676 |
|
pKey->RoundRobinIndex++; |
677 |
} |
} |
678 |
|
|
679 |
/** |
/** |
686 |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
687 |
*/ |
*/ |
688 |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
689 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
690 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
691 |
|
#endif |
692 |
|
|
693 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
694 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
695 |
|
|
696 |
// release voices on this key if needed |
// release voices on this key if needed |
697 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
698 |
itNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
|
} |
|
699 |
|
|
700 |
// move event to the key's own event list |
// move event to the key's own event list |
701 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
702 |
|
|
703 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
704 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
705 |
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) |
706 |
pKey->ReleaseTrigger = false; |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
707 |
|
if (pRegion) { |
708 |
|
int voicesRequired = pRegion->Layers; |
709 |
|
|
710 |
|
// MIDI note-on velocity is used instead of note-off velocity |
711 |
|
itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity; |
712 |
|
|
713 |
|
// now launch the required amount of voices |
714 |
|
for (int i = 0; i < voicesRequired; i++) |
715 |
|
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
716 |
|
} |
717 |
|
pKey->ReleaseTrigger = false; |
718 |
|
} |
719 |
|
|
720 |
|
// if neither a voice was spawned or postponed then remove note off event from key again |
721 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
722 |
|
pKey->pEvents->free(itNoteOffEventOnKeyList); |
723 |
} |
} |
724 |
} |
} |
725 |
|
|
732 |
*/ |
*/ |
733 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
734 |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
735 |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]); |
736 |
} |
} |
737 |
|
|
738 |
/** |
/** |
749 |
* @param VoiceStealing - if voice stealing should be performed |
* @param VoiceStealing - if voice stealing should be performed |
750 |
* when there is no free voice |
* when there is no free voice |
751 |
* (optional, default = true) |
* (optional, default = true) |
752 |
|
* @param HandleKeyGroupConflicts - if voices should be killed due to a |
753 |
|
* key group conflict |
754 |
* @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 |
755 |
* if the voice wasn't triggered (for example when no region is |
* if the voice wasn't triggered (for example when no region is |
756 |
* defined for the given key). |
* defined for the given key). |
757 |
*/ |
*/ |
758 |
Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing) { |
Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts) { |
759 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
int MIDIKey = itNoteOnEvent->Param.Note.Key; |
760 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[MIDIKey]; |
761 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(MIDIKey); |
762 |
|
|
763 |
|
// if nothing defined for this key |
764 |
|
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
765 |
|
|
766 |
|
// only mark the first voice of a layered voice (group) to be in a |
767 |
|
// key group, so the layered voices won't kill each other |
768 |
|
int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
769 |
|
|
770 |
|
// handle key group (a.k.a. exclusive group) conflicts |
771 |
|
if (HandleKeyGroupConflicts) { |
772 |
|
if (iKeyGroup) { // if this voice / key belongs to a key group |
773 |
|
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup]; |
774 |
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
775 |
|
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup]; |
776 |
|
// kill all voices on the (other) key |
777 |
|
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
778 |
|
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
779 |
|
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
780 |
|
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) { |
781 |
|
itVoiceToBeKilled->Kill(itNoteOnEvent); |
782 |
|
--VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict |
783 |
|
} |
784 |
|
} |
785 |
|
} |
786 |
|
} |
787 |
|
} |
788 |
|
|
789 |
|
Voice::type_t VoiceType = Voice::type_normal; |
790 |
|
|
791 |
|
// get current dimension values to select the right dimension region |
792 |
|
//TODO: for stolen voices this dimension region selection block is processed twice, this should be changed |
793 |
|
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
794 |
|
uint DimValues[8] = { 0 }; |
795 |
|
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
796 |
|
switch (pRegion->pDimensionDefinitions[i].dimension) { |
797 |
|
case ::gig::dimension_samplechannel: |
798 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
799 |
|
break; |
800 |
|
case ::gig::dimension_layer: |
801 |
|
DimValues[i] = iLayer; |
802 |
|
break; |
803 |
|
case ::gig::dimension_velocity: |
804 |
|
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
805 |
|
break; |
806 |
|
case ::gig::dimension_channelaftertouch: |
807 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
808 |
|
break; |
809 |
|
case ::gig::dimension_releasetrigger: |
810 |
|
VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal; |
811 |
|
DimValues[i] = (uint) ReleaseTriggerVoice; |
812 |
|
break; |
813 |
|
case ::gig::dimension_keyboard: |
814 |
|
DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension; |
815 |
|
break; |
816 |
|
case ::gig::dimension_roundrobin: |
817 |
|
DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
818 |
|
break; |
819 |
|
case ::gig::dimension_random: |
820 |
|
RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
821 |
|
DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
822 |
|
break; |
823 |
|
case ::gig::dimension_modwheel: |
824 |
|
DimValues[i] = pEngineChannel->ControllerTable[1]; |
825 |
|
break; |
826 |
|
case ::gig::dimension_breath: |
827 |
|
DimValues[i] = pEngineChannel->ControllerTable[2]; |
828 |
|
break; |
829 |
|
case ::gig::dimension_foot: |
830 |
|
DimValues[i] = pEngineChannel->ControllerTable[4]; |
831 |
|
break; |
832 |
|
case ::gig::dimension_portamentotime: |
833 |
|
DimValues[i] = pEngineChannel->ControllerTable[5]; |
834 |
|
break; |
835 |
|
case ::gig::dimension_effect1: |
836 |
|
DimValues[i] = pEngineChannel->ControllerTable[12]; |
837 |
|
break; |
838 |
|
case ::gig::dimension_effect2: |
839 |
|
DimValues[i] = pEngineChannel->ControllerTable[13]; |
840 |
|
break; |
841 |
|
case ::gig::dimension_genpurpose1: |
842 |
|
DimValues[i] = pEngineChannel->ControllerTable[16]; |
843 |
|
break; |
844 |
|
case ::gig::dimension_genpurpose2: |
845 |
|
DimValues[i] = pEngineChannel->ControllerTable[17]; |
846 |
|
break; |
847 |
|
case ::gig::dimension_genpurpose3: |
848 |
|
DimValues[i] = pEngineChannel->ControllerTable[18]; |
849 |
|
break; |
850 |
|
case ::gig::dimension_genpurpose4: |
851 |
|
DimValues[i] = pEngineChannel->ControllerTable[19]; |
852 |
|
break; |
853 |
|
case ::gig::dimension_sustainpedal: |
854 |
|
DimValues[i] = pEngineChannel->ControllerTable[64]; |
855 |
|
break; |
856 |
|
case ::gig::dimension_portamento: |
857 |
|
DimValues[i] = pEngineChannel->ControllerTable[65]; |
858 |
|
break; |
859 |
|
case ::gig::dimension_sostenutopedal: |
860 |
|
DimValues[i] = pEngineChannel->ControllerTable[66]; |
861 |
|
break; |
862 |
|
case ::gig::dimension_softpedal: |
863 |
|
DimValues[i] = pEngineChannel->ControllerTable[67]; |
864 |
|
break; |
865 |
|
case ::gig::dimension_genpurpose5: |
866 |
|
DimValues[i] = pEngineChannel->ControllerTable[80]; |
867 |
|
break; |
868 |
|
case ::gig::dimension_genpurpose6: |
869 |
|
DimValues[i] = pEngineChannel->ControllerTable[81]; |
870 |
|
break; |
871 |
|
case ::gig::dimension_genpurpose7: |
872 |
|
DimValues[i] = pEngineChannel->ControllerTable[82]; |
873 |
|
break; |
874 |
|
case ::gig::dimension_genpurpose8: |
875 |
|
DimValues[i] = pEngineChannel->ControllerTable[83]; |
876 |
|
break; |
877 |
|
case ::gig::dimension_effect1depth: |
878 |
|
DimValues[i] = pEngineChannel->ControllerTable[91]; |
879 |
|
break; |
880 |
|
case ::gig::dimension_effect2depth: |
881 |
|
DimValues[i] = pEngineChannel->ControllerTable[92]; |
882 |
|
break; |
883 |
|
case ::gig::dimension_effect3depth: |
884 |
|
DimValues[i] = pEngineChannel->ControllerTable[93]; |
885 |
|
break; |
886 |
|
case ::gig::dimension_effect4depth: |
887 |
|
DimValues[i] = pEngineChannel->ControllerTable[94]; |
888 |
|
break; |
889 |
|
case ::gig::dimension_effect5depth: |
890 |
|
DimValues[i] = pEngineChannel->ControllerTable[95]; |
891 |
|
break; |
892 |
|
case ::gig::dimension_none: |
893 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush; |
894 |
|
break; |
895 |
|
default: |
896 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
897 |
|
} |
898 |
|
} |
899 |
|
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
900 |
|
|
901 |
|
// no need to continue if sample is silent |
902 |
|
if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator(); |
903 |
|
|
904 |
// allocate a new voice for the key |
// allocate a new voice for the key |
905 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
906 |
if (itNewVoice) { |
if (itNewVoice) { |
907 |
// launch the new voice |
// launch the new voice |
908 |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) { |
909 |
dmsg(4,("Voice not triggered\n")); |
dmsg(4,("Voice not triggered\n")); |
910 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
911 |
} |
} |
912 |
else { // on success |
else { // on success |
913 |
uint** ppKeyGroup = NULL; |
--VoiceSpawnsLeft; |
|
if (itNewVoice->KeyGroup) { // if this voice / key belongs to a key group |
|
|
ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
|
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
|
|
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup]; |
|
|
// kill all voices on the (other) key |
|
|
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
|
|
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
|
|
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
|
|
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) itVoiceToBeKilled->Kill(itNoteOnEvent); |
|
|
} |
|
|
} |
|
|
} |
|
914 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
915 |
pKey->Active = true; |
pKey->Active = true; |
916 |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
917 |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
918 |
} |
} |
919 |
if (itNewVoice->KeyGroup) { |
if (itNewVoice->KeyGroup) { |
920 |
|
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
921 |
*ppKeyGroup = &*pKey->itSelf; // 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 |
922 |
} |
} |
923 |
if (itNewVoice->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) |
925 |
} |
} |
926 |
} |
} |
927 |
else if (VoiceStealing) { |
else if (VoiceStealing) { |
928 |
// first, get total amount of required voices (dependant on amount of layers) |
// try to steal one voice |
929 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
int result = StealVoice(pEngineChannel, itNoteOnEvent); |
930 |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
if (!result) { // voice stolen successfully |
931 |
int voicesRequired = pRegion->Layers; |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
932 |
|
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
933 |
// now steal the (remaining) amount of voices |
if (itStealEvent) { |
934 |
for (int i = iLayer; i < voicesRequired; i++) |
*itStealEvent = *itNoteOnEvent; // copy event |
935 |
StealVoice(pEngineChannel, itNoteOnEvent); |
itStealEvent->Param.Note.Layer = iLayer; |
936 |
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
937 |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
pKey->VoiceTheftsQueued++; |
938 |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
} |
939 |
if (itStealEvent) { |
else dmsg(1,("Voice stealing queue full!\n")); |
|
*itStealEvent = *itNoteOnEvent; // copy event |
|
|
itStealEvent->Param.Note.Layer = iLayer; |
|
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
|
940 |
} |
} |
|
else dmsg(1,("Voice stealing queue full!\n")); |
|
941 |
} |
} |
942 |
|
|
943 |
return Pool<Voice>::Iterator(); // no free voice or error |
return Pool<Voice>::Iterator(); // no free voice or error |
951 |
* |
* |
952 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
953 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
954 |
|
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
955 |
*/ |
*/ |
956 |
void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
957 |
|
if (VoiceSpawnsLeft <= 0) { |
958 |
|
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n")); |
959 |
|
return -1; |
960 |
|
} |
961 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
962 |
|
|
963 |
RTList<uint>::Iterator iuiOldestKey; |
RTList<Voice>::Iterator itSelectedVoice; |
|
RTList<Voice>::Iterator itOldestVoice; |
|
964 |
|
|
965 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
966 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (CONFIG_VOICE_STEAL_ALGO) { |
967 |
|
|
968 |
// try to pick the oldest voice on the key where the new |
// try to pick the oldest voice on the key where the new |
969 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
970 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill, then procceed with |
971 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
972 |
case voice_steal_algo_keymask: { |
case voice_steal_algo_oldestvoiceonkey: { |
973 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
974 |
if (pEngineChannel->itLastStolenVoice) { |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
975 |
itOldestVoice = pEngineChannel->itLastStolenVoice; |
// proceed iterating if voice was created in this fragment cycle |
976 |
++itOldestVoice; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
977 |
} |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
978 |
else { // no voice stolen in this audio fragment cycle yet |
if (itSelectedVoice && itSelectedVoice->IsStealable()) break; |
|
itOldestVoice = pOldestKey->pActiveVoices->first(); |
|
|
} |
|
|
if (itOldestVoice) { |
|
|
iuiOldestKey = pOldestKey->itSelf; |
|
|
break; // selection succeeded |
|
|
} |
|
979 |
} // no break - intentional ! |
} // no break - intentional ! |
980 |
|
|
981 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
982 |
// (caution: must stay after 'keymask' algorithm !) |
// from the same engine channel |
983 |
|
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
984 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
985 |
if (pEngineChannel->itLastStolenVoice) { |
// if we already stole in this fragment, try to proceed on same key |
986 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*pEngineChannel->iuiLastStolenKey]; |
if (this->itLastStolenVoice) { |
987 |
itOldestVoice = pEngineChannel->itLastStolenVoice; |
itSelectedVoice = this->itLastStolenVoice; |
988 |
++itOldestVoice; |
do { |
989 |
if (!itOldestVoice) { |
++itSelectedVoice; |
990 |
iuiOldestKey = pEngineChannel->iuiLastStolenKey; |
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
991 |
++iuiOldestKey; |
// found a "stealable" voice ? |
992 |
if (iuiOldestKey) { |
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
993 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
// remember which voice we stole, so we can simply proceed on next voice stealing |
994 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
this->itLastStolenVoice = itSelectedVoice; |
995 |
} |
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; |
|
|
} |
|
996 |
} |
} |
|
else iuiOldestKey = pEngineChannel->iuiLastStolenKey; |
|
997 |
} |
} |
998 |
else { // no voice stolen in this audio fragment cycle yet |
// get (next) oldest key |
999 |
iuiOldestKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first(); |
1000 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
while (iuiSelectedKey) { |
1001 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
1002 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
1003 |
|
// proceed iterating if voice was created in this fragment cycle |
1004 |
|
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
1005 |
|
// found a "stealable" voice ? |
1006 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1007 |
|
// remember which voice on which key we stole, so we can simply proceed on next voice stealing |
1008 |
|
this->iuiLastStolenKey = iuiSelectedKey; |
1009 |
|
this->itLastStolenVoice = itSelectedVoice; |
1010 |
|
break; // selection succeeded |
1011 |
|
} |
1012 |
|
++iuiSelectedKey; // get next oldest key |
1013 |
} |
} |
1014 |
break; |
break; |
1015 |
} |
} |
1018 |
case voice_steal_algo_none: |
case voice_steal_algo_none: |
1019 |
default: { |
default: { |
1020 |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
1021 |
return; |
return -1; |
1022 |
} |
} |
1023 |
} |
} |
1024 |
|
|
1025 |
//FIXME: can be removed, just a sanity check for debugging |
// if we couldn't steal a voice from the same engine channel then |
1026 |
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 |
1027 |
|
// (the smaller engine channel number, the higher priority) |
1028 |
|
if (!itSelectedVoice || !itSelectedVoice->IsStealable()) { |
1029 |
|
EngineChannel* pSelectedChannel; |
1030 |
|
int iChannelIndex; |
1031 |
|
// select engine channel |
1032 |
|
if (pLastStolenChannel) { |
1033 |
|
pSelectedChannel = pLastStolenChannel; |
1034 |
|
iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
1035 |
|
} else { // pick the engine channel followed by this engine channel |
1036 |
|
iChannelIndex = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size(); |
1037 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
1038 |
|
} |
1039 |
|
|
1040 |
|
// if we already stole in this fragment, try to proceed on same key |
1041 |
|
if (this->itLastStolenVoiceGlobally) { |
1042 |
|
itSelectedVoice = this->itLastStolenVoiceGlobally; |
1043 |
|
do { |
1044 |
|
++itSelectedVoice; |
1045 |
|
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
1046 |
|
} |
1047 |
|
|
1048 |
|
#if CONFIG_DEVMODE |
1049 |
|
EngineChannel* pBegin = pSelectedChannel; // to detect endless loop |
1050 |
|
#endif // CONFIG_DEVMODE |
1051 |
|
|
1052 |
|
// did we find a 'stealable' voice? |
1053 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1054 |
|
// remember which voice we stole, so we can simply proceed on next voice stealing |
1055 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
1056 |
|
} else while (true) { // iterate through engine channels |
1057 |
|
// get (next) oldest key |
1058 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first(); |
1059 |
|
this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above) |
1060 |
|
while (iuiSelectedKey) { |
1061 |
|
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
1062 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
1063 |
|
// proceed iterating if voice was created in this fragment cycle |
1064 |
|
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
1065 |
|
// found a "stealable" voice ? |
1066 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1067 |
|
// remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing |
1068 |
|
this->iuiLastStolenKeyGlobally = iuiSelectedKey; |
1069 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
1070 |
|
this->pLastStolenChannel = pSelectedChannel; |
1071 |
|
goto stealable_voice_found; // selection succeeded |
1072 |
|
} |
1073 |
|
++iuiSelectedKey; // get next key on current engine channel |
1074 |
|
} |
1075 |
|
// get next engine channel |
1076 |
|
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
1077 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
1078 |
|
|
1079 |
|
#if CONFIG_DEVMODE |
1080 |
|
if (pSelectedChannel == pBegin) { |
1081 |
|
dmsg(1,("FATAL ERROR: voice stealing endless loop!\n")); |
1082 |
|
dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft)); |
1083 |
|
dmsg(1,("Exiting.\n")); |
1084 |
|
exit(-1); |
1085 |
|
} |
1086 |
|
#endif // CONFIG_DEVMODE |
1087 |
|
} |
1088 |
|
} |
1089 |
|
|
1090 |
|
// jump point if a 'stealable' voice was found |
1091 |
|
stealable_voice_found: |
1092 |
|
|
1093 |
|
#if CONFIG_DEVMODE |
1094 |
|
if (!itSelectedVoice->IsActive()) { |
1095 |
|
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
1096 |
|
return -1; |
1097 |
|
} |
1098 |
|
#endif // CONFIG_DEVMODE |
1099 |
|
|
1100 |
// now kill the selected voice |
// now kill the selected voice |
1101 |
itOldestVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
1102 |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
|
1103 |
pEngineChannel->itLastStolenVoice = itOldestVoice; |
--VoiceSpawnsLeft; |
1104 |
pEngineChannel->iuiLastStolenKey = iuiOldestKey; |
|
1105 |
|
return 0; // success |
1106 |
|
} |
1107 |
|
else { |
1108 |
|
dmsg(1,("Event pool emtpy!\n")); |
1109 |
|
return -1; |
1110 |
} |
} |
|
else dmsg(1,("Event pool emtpy!\n")); |
|
1111 |
} |
} |
1112 |
|
|
1113 |
/** |
/** |
1166 |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
1167 |
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)); |
1168 |
|
|
1169 |
switch (itControlChangeEvent->Param.CC.Controller) { |
// update controller value in the engine channel's controller table |
1170 |
case 64: { |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
1171 |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
|
1172 |
|
// move event from the unsorted event list to the control change event list |
1173 |
|
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents); |
1174 |
|
|
1175 |
|
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
1176 |
|
case 7: { // volume |
1177 |
|
//TODO: not sample accurate yet |
1178 |
|
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
1179 |
|
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
1180 |
|
break; |
1181 |
|
} |
1182 |
|
case 10: { // panpot |
1183 |
|
//TODO: not sample accurate yet |
1184 |
|
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
1185 |
|
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
1186 |
|
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
1187 |
|
break; |
1188 |
|
} |
1189 |
|
case 64: { // sustain |
1190 |
|
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
1191 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
1192 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
1193 |
|
|
1194 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1195 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1196 |
|
#endif |
1197 |
|
|
1198 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
1199 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1200 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1201 |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1202 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
1203 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1204 |
++iuiKey; |
if (itNewEvent) { |
1205 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
1206 |
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")); |
|
1207 |
} |
} |
1208 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1209 |
} |
} |
1210 |
} |
} |
1211 |
} |
} |
1212 |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
1213 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
1214 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
1215 |
|
|
1216 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1217 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1218 |
|
#endif |
1219 |
|
|
1220 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
1221 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1222 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1223 |
itControlChangeEvent->Type = Event::type_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1224 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
1225 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1226 |
++iuiKey; |
if (itNewEvent) { |
1227 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
1228 |
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")); |
|
1229 |
} |
} |
1230 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1231 |
} |
} |
1232 |
} |
} |
1233 |
} |
} |
1234 |
break; |
break; |
1235 |
} |
} |
|
} |
|
1236 |
|
|
|
// update controller value in the engine's controller table |
|
|
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
|
1237 |
|
|
1238 |
// move event from the unsorted event list to the control change event list |
// Channel Mode Messages |
1239 |
itControlChangeEvent.moveToEndOf(pCCEvents); |
|
1240 |
|
case 120: { // all sound off |
1241 |
|
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1242 |
|
break; |
1243 |
|
} |
1244 |
|
case 121: { // reset all controllers |
1245 |
|
pEngineChannel->ResetControllers(); |
1246 |
|
break; |
1247 |
|
} |
1248 |
|
case 123: { // all notes off |
1249 |
|
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1250 |
|
break; |
1251 |
|
} |
1252 |
|
} |
1253 |
} |
} |
1254 |
|
|
1255 |
/** |
/** |
1267 |
|
|
1268 |
switch (id) { |
switch (id) { |
1269 |
case 0x41: { // Roland |
case 0x41: { // Roland |
1270 |
|
dmsg(3,("Roland Sysex\n")); |
1271 |
uint8_t device_id, model_id, cmd_id; |
uint8_t device_id, model_id, cmd_id; |
1272 |
if (!reader.pop(&device_id)) goto free_sysex_data; |
if (!reader.pop(&device_id)) goto free_sysex_data; |
1273 |
if (!reader.pop(&model_id)) goto free_sysex_data; |
if (!reader.pop(&model_id)) goto free_sysex_data; |
1280 |
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 |
1281 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
1282 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
1283 |
|
dmsg(3,("\tSystem Parameter\n")); |
1284 |
} |
} |
1285 |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
1286 |
|
dmsg(3,("\tCommon Parameter\n")); |
1287 |
} |
} |
1288 |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
1289 |
switch (addr[3]) { |
dmsg(3,("\tPart Parameter\n")); |
1290 |
|
switch (addr[2]) { |
1291 |
case 0x40: { // scale tuning |
case 0x40: { // scale tuning |
1292 |
|
dmsg(3,("\t\tScale Tuning\n")); |
1293 |
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 |
1294 |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
1295 |
uint8_t checksum; |
uint8_t checksum; |
1296 |
if (!reader.pop(&checksum)) goto free_sysex_data; |
if (!reader.pop(&checksum)) goto free_sysex_data; |
1297 |
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
#if CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1298 |
|
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
1299 |
|
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1300 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
1301 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScale((int8_t*) scale_tunes); |
1302 |
|
dmsg(3,("\t\t\tNew scale applied.\n")); |
1303 |
break; |
break; |
1304 |
} |
} |
1305 |
} |
} |
1344 |
} |
} |
1345 |
|
|
1346 |
/** |
/** |
1347 |
|
* Releases all voices on an engine channel. All voices will go into |
1348 |
|
* the release stage and thus it might take some time (e.g. dependant to |
1349 |
|
* their envelope release time) until they actually die. |
1350 |
|
* |
1351 |
|
* @param pEngineChannel - engine channel on which all voices should be released |
1352 |
|
* @param itReleaseEvent - event which caused this releasing of all voices |
1353 |
|
*/ |
1354 |
|
void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) { |
1355 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1356 |
|
while (iuiKey) { |
1357 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1358 |
|
++iuiKey; |
1359 |
|
// append a 'release' event to the key's own event list |
1360 |
|
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1361 |
|
if (itNewEvent) { |
1362 |
|
*itNewEvent = *itReleaseEvent; // copy original event (to the key's event list) |
1363 |
|
itNewEvent->Type = Event::type_release; // transform event type |
1364 |
|
} |
1365 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1366 |
|
} |
1367 |
|
} |
1368 |
|
|
1369 |
|
/** |
1370 |
|
* Kills all voices on an engine channel as soon as possible. Voices |
1371 |
|
* won't get into release state, their volume level will be ramped down |
1372 |
|
* as fast as possible. |
1373 |
|
* |
1374 |
|
* @param pEngineChannel - engine channel on which all voices should be killed |
1375 |
|
* @param itKillEvent - event which caused this killing of all voices |
1376 |
|
*/ |
1377 |
|
void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) { |
1378 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1379 |
|
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
1380 |
|
while (iuiKey != end) { // iterate through all active keys |
1381 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1382 |
|
++iuiKey; |
1383 |
|
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
1384 |
|
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
1385 |
|
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
1386 |
|
itVoice->Kill(itKillEvent); |
1387 |
|
--VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead |
1388 |
|
} |
1389 |
|
} |
1390 |
|
} |
1391 |
|
|
1392 |
|
/** |
1393 |
* Initialize the parameter sequence for the modulation destination given by |
* Initialize the parameter sequence for the modulation destination given by |
1394 |
* by 'dst' with the constant value given by val. |
* by 'dst' with the constant value given by val. |
1395 |
*/ |
*/ |
1402 |
m[i+2] = val; |
m[i+2] = val; |
1403 |
m[i+3] = val; |
m[i+3] = val; |
1404 |
} |
} |
1405 |
} |
} |
1406 |
|
|
1407 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
1408 |
return ActiveVoiceCount; |
return ActiveVoiceCount; |
1433 |
} |
} |
1434 |
|
|
1435 |
String Engine::EngineName() { |
String Engine::EngineName() { |
1436 |
return "GigEngine"; |
return LS_GIG_ENGINE_NAME; |
1437 |
} |
} |
1438 |
|
|
1439 |
String Engine::Description() { |
String Engine::Description() { |
1441 |
} |
} |
1442 |
|
|
1443 |
String Engine::Version() { |
String Engine::Version() { |
1444 |
String s = "$Revision: 1.28 $"; |
String s = "$Revision: 1.51 $"; |
1445 |
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 |
1446 |
} |
} |
1447 |
|
|