23 |
#include <sstream> |
#include <sstream> |
24 |
#include "DiskThread.h" |
#include "DiskThread.h" |
25 |
#include "Voice.h" |
#include "Voice.h" |
26 |
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#include "EGADSR.h" |
27 |
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28 |
#include "Engine.h" |
#include "Engine.h" |
29 |
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#include <malloc.h> |
30 |
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31 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
32 |
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77 |
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78 |
Engine::~Engine() { |
Engine::~Engine() { |
79 |
if (pDiskThread) { |
if (pDiskThread) { |
80 |
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dmsg(1,("Stopping disk thread...")); |
81 |
pDiskThread->StopThread(); |
pDiskThread->StopThread(); |
82 |
delete pDiskThread; |
delete pDiskThread; |
83 |
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dmsg(1,("OK\n")); |
84 |
} |
} |
85 |
if (pGig) delete pGig; |
if (pGig) delete pGig; |
86 |
if (pRIFF) delete pRIFF; |
if (pRIFF) delete pRIFF; |
91 |
for (uint i = 0; i < Event::destination_count; i++) { |
for (uint i = 0; i < Event::destination_count; i++) { |
92 |
if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
93 |
} |
} |
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delete[] pSynthesisEvents; |
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94 |
if (pEvents) delete pEvents; |
if (pEvents) delete pEvents; |
95 |
if (pCCEvents) delete pCCEvents; |
if (pCCEvents) delete pCCEvents; |
96 |
if (pEventQueue) delete pEventQueue; |
if (pEventQueue) delete pEventQueue; |
97 |
if (pEventPool) delete pEventPool; |
if (pEventPool) delete pEventPool; |
98 |
if (pVoicePool) delete pVoicePool; |
if (pVoicePool) { |
99 |
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pVoicePool->clear(); |
100 |
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delete pVoicePool; |
101 |
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} |
102 |
if (pActiveKeys) delete pActiveKeys; |
if (pActiveKeys) delete pActiveKeys; |
103 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
104 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
105 |
if (pMainFilterParameters) delete[] pMainFilterParameters; |
if (pMainFilterParameters) delete[] pMainFilterParameters; |
106 |
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
107 |
if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0]; |
if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
108 |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
109 |
} |
} |
110 |
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319 |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
320 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
321 |
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322 |
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// FIXME: audio drivers with varying fragment sizes might be a problem here |
323 |
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MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
324 |
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if (MaxFadeOutPos < 0) |
325 |
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throw LinuxSamplerException("EG_MIN_RELEASE_TIME in EGADSR.h to big for current audio fragment size / sampling rate!"); |
326 |
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|
327 |
// (re)create disk thread |
// (re)create disk thread |
328 |
if (this->pDiskThread) { |
if (this->pDiskThread) { |
329 |
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dmsg(1,("Stopping disk thread...")); |
330 |
this->pDiskThread->StopThread(); |
this->pDiskThread->StopThread(); |
331 |
delete this->pDiskThread; |
delete this->pDiskThread; |
332 |
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dmsg(1,("OK\n")); |
333 |
} |
} |
334 |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo |
335 |
if (!pDiskThread) { |
if (!pDiskThread) { |
348 |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
349 |
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|
350 |
// (re)allocate synthesis parameter matrix |
// (re)allocate synthesis parameter matrix |
351 |
if (pSynthesisParameters[0]) delete[] pSynthesisParameters[0]; |
if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
352 |
pSynthesisParameters[0] = new float[Event::destination_count * pAudioOut->MaxSamplesPerCycle()]; |
pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle())); |
353 |
for (int dst = 1; dst < Event::destination_count; dst++) |
for (int dst = 1; dst < Event::destination_count; dst++) |
354 |
pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle(); |
pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle(); |
355 |
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405 |
} |
} |
406 |
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407 |
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408 |
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// update time of start and end of this audio fragment (as events' time stamps relate to this) |
409 |
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pEventGenerator->UpdateFragmentTime(Samples); |
410 |
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411 |
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412 |
// empty the event lists for the new fragment |
// empty the event lists for the new fragment |
413 |
pEvents->clear(); |
pEvents->clear(); |
414 |
pCCEvents->clear(); |
pCCEvents->clear(); |
423 |
} |
} |
424 |
} |
} |
425 |
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// read and copy events from input queue |
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Event event = pEventGenerator->CreateEvent(); |
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while (true) { |
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if (!pEventQueue->pop(&event) || pEvents->poolIsEmpty()) break; |
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*pEvents->allocAppend() = event; |
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} |
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426 |
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427 |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
// get all events from the input event queue which belong to the current fragment |
428 |
pEventGenerator->UpdateFragmentTime(Samples); |
{ |
429 |
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RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
430 |
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Event* pEvent; |
431 |
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while (true) { |
432 |
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// get next event from input event queue |
433 |
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if (!(pEvent = eventQueueReader.pop())) break; |
434 |
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// if younger event reached, ignore that and all subsequent ones for now |
435 |
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if (pEvent->FragmentPos() >= Samples) { |
436 |
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eventQueueReader--; |
437 |
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dmsg(2,("Younger Event, pos=%d ,Samples=%d!\n",pEvent->FragmentPos(),Samples)); |
438 |
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pEvent->ResetFragmentPos(); |
439 |
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break; |
440 |
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} |
441 |
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// copy event to internal event list |
442 |
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if (pEvents->poolIsEmpty()) { |
443 |
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dmsg(1,("Event pool emtpy!\n")); |
444 |
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break; |
445 |
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} |
446 |
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*pEvents->allocAppend() = *pEvent; |
447 |
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} |
448 |
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eventQueueReader.free(); // free all copied events from input queue |
449 |
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} |
450 |
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451 |
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452 |
// process events |
// process events |
497 |
itVoice->Render(Samples); |
itVoice->Render(Samples); |
498 |
if (itVoice->IsActive()) active_voices++; // still active |
if (itVoice->IsActive()) active_voices++; // still active |
499 |
else { // voice reached end, is now inactive |
else { // voice reached end, is now inactive |
500 |
KillVoiceImmediately(itVoice); // remove voice from the list of active voices |
FreeVoice(itVoice); // remove voice from the list of active voices |
501 |
} |
} |
502 |
} |
} |
503 |
} |
} |
511 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
512 |
Pool<Voice>::Iterator itNewVoice = LaunchVoice(itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
Pool<Voice>::Iterator itNewVoice = LaunchVoice(itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
513 |
if (itNewVoice) { |
if (itNewVoice) { |
514 |
itNewVoice->Render(Samples); |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
515 |
if (itNewVoice->IsActive()) active_voices++; // still active |
itNewVoice->Render(Samples); |
516 |
else { // voice reached end, is now inactive |
if (itNewVoice->IsActive()) active_voices++; // still active |
517 |
KillVoiceImmediately(itNewVoice); // remove voice from the list of active voices |
else { // voice reached end, is now inactive |
518 |
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FreeVoice(itNewVoice); // remove voice from the list of active voices |
519 |
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} |
520 |
} |
} |
521 |
} |
} |
522 |
else dmsg(1,("Ouch, voice stealing didn't work out!\n")); |
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
523 |
} |
} |
524 |
} |
} |
525 |
// reset voice stealing for the new fragment |
// reset voice stealing for the new fragment |
528 |
iuiLastStolenKey = RTList<uint>::Iterator(); |
iuiLastStolenKey = RTList<uint>::Iterator(); |
529 |
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530 |
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531 |
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// free all keys which have no active voices left |
532 |
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{ |
533 |
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RTList<uint>::Iterator iuiKey = pActiveKeys->first(); |
534 |
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RTList<uint>::Iterator end = pActiveKeys->end(); |
535 |
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while (iuiKey != end) { // iterate through all active keys |
536 |
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midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey]; |
537 |
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++iuiKey; |
538 |
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if (pKey->pActiveVoices->isEmpty()) FreeKey(pKey); |
539 |
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#if DEVMODE |
540 |
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else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
541 |
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RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
542 |
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RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
543 |
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for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
544 |
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if (itVoice->itKillEvent) { |
545 |
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dmsg(1,("gig::Engine: ERROR, killed voice survived !!!\n")); |
546 |
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} |
547 |
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} |
548 |
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} |
549 |
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#endif // DEVMODE |
550 |
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} |
551 |
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} |
552 |
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553 |
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554 |
// write that to the disk thread class so that it can print it |
// write that to the disk thread class so that it can print it |
555 |
// on the console for debugging purposes |
// on the console for debugging purposes |
556 |
ActiveVoiceCount = active_voices; |
ActiveVoiceCount = active_voices; |
677 |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
678 |
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679 |
// allocate and trigger a new voice for the key |
// allocate and trigger a new voice for the key |
680 |
LaunchVoice(itNoteOnEventOnKeyList); |
LaunchVoice(itNoteOnEventOnKeyList, 0, false, true); |
681 |
} |
} |
682 |
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683 |
/** |
/** |
703 |
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|
704 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
705 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
706 |
LaunchVoice(itNoteOffEventOnKeyList, 0, true); |
LaunchVoice(itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
707 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
708 |
} |
} |
709 |
} |
} |
742 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
743 |
if (itNewVoice) { |
if (itNewVoice) { |
744 |
// launch the new voice |
// launch the new voice |
745 |
if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice) < 0) { |
if (itNewVoice->Trigger(itNoteOnEvent, this->Pitch, this->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
746 |
dmsg(1,("Triggering new voice failed!\n")); |
dmsg(1,("Triggering new voice failed!\n")); |
747 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
748 |
} |
} |
772 |
return itNewVoice; // success |
return itNewVoice; // success |
773 |
} |
} |
774 |
} |
} |
775 |
else if (VoiceStealing) StealVoice(itNoteOnEvent, iLayer, ReleaseTriggerVoice); // no free voice left, so steal one |
else if (VoiceStealing) { |
776 |
|
// first, get total amount of required voices (dependant on amount of layers) |
777 |
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::gig::Region* pRegion = pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
778 |
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if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
779 |
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int voicesRequired = pRegion->Layers; |
780 |
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|
781 |
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// now steal the (remaining) amount of voices |
782 |
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for (int i = iLayer; i < voicesRequired; i++) |
783 |
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StealVoice(itNoteOnEvent); |
784 |
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785 |
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// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
786 |
|
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
787 |
|
if (itStealEvent) { |
788 |
|
*itStealEvent = *itNoteOnEvent; // copy event |
789 |
|
itStealEvent->Param.Note.Layer = iLayer; |
790 |
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itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
791 |
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} |
792 |
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else dmsg(1,("Voice stealing queue full!\n")); |
793 |
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} |
794 |
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|
795 |
return Pool<Voice>::Iterator(); // no free voice or error |
return Pool<Voice>::Iterator(); // no free voice or error |
796 |
} |
} |
801 |
* voice stealing and postpone the note-on event until the selected |
* voice stealing and postpone the note-on event until the selected |
802 |
* voice actually died. |
* voice actually died. |
803 |
* |
* |
804 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
|
* @param iLayer - layer index for the new voice |
|
|
* @param ReleaseTriggerVoice - if new voice is a release triggered voice |
|
805 |
*/ |
*/ |
806 |
void Engine::StealVoice(Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice) { |
void Engine::StealVoice(Pool<Event>::Iterator& itNoteOnEvent) { |
807 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
808 |
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|
809 |
RTList<uint>::Iterator iuiOldestKey; |
RTList<uint>::Iterator iuiOldestKey; |
845 |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey]; |
midi_key_info_t* pOldestKey = &pMIDIKeyInfo[*iuiOldestKey]; |
846 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
847 |
} |
} |
848 |
else { // too less voices, even for voice stealing |
else { |
849 |
dmsg(1,("Voice overflow! - You might recompile with higher MAX_AUDIO_VOICES!\n")); |
dmsg(1,("gig::Engine: Warning, too less voices, even for voice stealing! - Better recompile with higher MAX_AUDIO_VOICES.\n")); |
850 |
return; |
return; |
851 |
} |
} |
852 |
} |
} |
868 |
} |
} |
869 |
} |
} |
870 |
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|
871 |
|
//FIXME: can be removed, just a sanity check for debugging |
872 |
|
if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
873 |
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|
874 |
// now kill the selected voice |
// now kill the selected voice |
875 |
itOldestVoice->Kill(itNoteOnEvent); |
itOldestVoice->Kill(itNoteOnEvent); |
876 |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
877 |
this->itLastStolenVoice = itOldestVoice; |
this->itLastStolenVoice = itOldestVoice; |
878 |
this->iuiLastStolenKey = iuiOldestKey; |
this->iuiLastStolenKey = iuiOldestKey; |
|
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
|
|
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
|
|
if (itStealEvent) { |
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*itStealEvent = *itNoteOnEvent; // copy event |
|
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itStealEvent->Param.Note.Layer = iLayer; |
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itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
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} |
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else dmsg(1,("Voice stealing queue full!\n")); |
|
879 |
} |
} |
880 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
881 |
} |
} |
882 |
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|
883 |
/** |
/** |
884 |
* Immediately kills the voice given with pVoice (no matter if sustain is |
* Removes the given voice from the MIDI key's list of active voices. |
885 |
* pressed or not) and removes it from the MIDI key's list of active voice. |
* This method will be called when a voice went inactive, e.g. because |
886 |
* This method will e.g. be called if a voice went inactive by itself. |
* it finished to playback its sample, finished its release stage or |
887 |
|
* just was killed. |
888 |
* |
* |
889 |
* @param itVoice - points to the voice to be killed |
* @param itVoice - points to the voice to be freed |
890 |
*/ |
*/ |
891 |
void Engine::KillVoiceImmediately(Pool<Voice>::Iterator& itVoice) { |
void Engine::FreeVoice(Pool<Voice>::Iterator& itVoice) { |
892 |
if (itVoice) { |
if (itVoice) { |
|
if (itVoice->IsActive()) itVoice->KillImmediately(); |
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|
893 |
midi_key_info_t* pKey = &pMIDIKeyInfo[itVoice->MIDIKey]; |
midi_key_info_t* pKey = &pMIDIKeyInfo[itVoice->MIDIKey]; |
894 |
|
|
895 |
uint keygroup = itVoice->KeyGroup; |
uint keygroup = itVoice->KeyGroup; |
897 |
// free the voice object |
// free the voice object |
898 |
pVoicePool->free(itVoice); |
pVoicePool->free(itVoice); |
899 |
|
|
900 |
// check if there are no voices left on the MIDI key and update the key info if so |
// if no other voices left and member of a key group, remove from key group |
901 |
if (pKey->pActiveVoices->isEmpty()) { |
if (pKey->pActiveVoices->isEmpty() && keygroup) { |
902 |
if (keygroup) { // if voice / key belongs to a key group |
uint** ppKeyGroup = &ActiveKeyGroups[keygroup]; |
903 |
uint** ppKeyGroup = &ActiveKeyGroups[keygroup]; |
if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group |
|
if (*ppKeyGroup == &*pKey->itSelf) *ppKeyGroup = NULL; // remove key from key group |
|
|
} |
|
|
pKey->Active = false; |
|
|
pActiveKeys->free(pKey->itSelf); // remove key from list of active keys |
|
|
pKey->itSelf = RTList<uint>::Iterator(); |
|
|
pKey->ReleaseTrigger = false; |
|
|
pKey->pEvents->clear(); |
|
|
dmsg(3,("Key has no more voices now\n")); |
|
904 |
} |
} |
905 |
} |
} |
906 |
else std::cerr << "Couldn't release voice! (pVoice == NULL)\n" << std::flush; |
else std::cerr << "Couldn't release voice! (!itVoice)\n" << std::flush; |
907 |
|
} |
908 |
|
|
909 |
|
/** |
910 |
|
* Called when there's no more voice left on a key, this call will |
911 |
|
* update the key info respectively. |
912 |
|
* |
913 |
|
* @param pKey - key which is now inactive |
914 |
|
*/ |
915 |
|
void Engine::FreeKey(midi_key_info_t* pKey) { |
916 |
|
if (pKey->pActiveVoices->isEmpty()) { |
917 |
|
pKey->Active = false; |
918 |
|
pActiveKeys->free(pKey->itSelf); // remove key from list of active keys |
919 |
|
pKey->itSelf = RTList<uint>::Iterator(); |
920 |
|
pKey->ReleaseTrigger = false; |
921 |
|
pKey->pEvents->clear(); |
922 |
|
dmsg(3,("Key has no more voices now\n")); |
923 |
|
} |
924 |
|
else dmsg(1,("gig::Engine: Oops, tried to free a key which contains voices.\n")); |
925 |
} |
} |
926 |
|
|
927 |
/** |
/** |
1171 |
} |
} |
1172 |
|
|
1173 |
String Engine::Version() { |
String Engine::Version() { |
1174 |
String s = "$Revision: 1.15 $"; |
String s = "$Revision: 1.20 $"; |
1175 |
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 |
1176 |
} |
} |
1177 |
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|