29 |
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30 |
#include "Engine.h" |
#include "Engine.h" |
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#if defined(__APPLE__) |
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# include <stdlib.h> |
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#else |
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# include <malloc.h> |
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#endif |
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32 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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34 |
InstrumentResourceManager Engine::instruments; |
InstrumentResourceManager Engine::instruments; |
97 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
98 |
pDiskThread = NULL; |
pDiskThread = NULL; |
99 |
pEventGenerator = NULL; |
pEventGenerator = NULL; |
100 |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
101 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
102 |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
103 |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
104 |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
105 |
pGlobalEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
106 |
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()) { |
108 |
} |
} |
109 |
pVoicePool->clear(); |
pVoicePool->clear(); |
110 |
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pSynthesisParameters[0] = NULL; // we allocate when an audio device is connected |
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pBasicFilterParameters = NULL; |
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pMainFilterParameters = NULL; |
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111 |
ResetInternal(); |
ResetInternal(); |
112 |
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ResetScaleTuning(); |
113 |
} |
} |
114 |
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115 |
/** |
/** |
129 |
delete pVoicePool; |
delete pVoicePool; |
130 |
} |
} |
131 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
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if (pMainFilterParameters) delete[] pMainFilterParameters; |
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if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
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if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
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132 |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
133 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
134 |
EngineFactory::Destroy(this); |
EngineFactory::Destroy(this); |
159 |
void Engine::Reset() { |
void Engine::Reset() { |
160 |
DisableAndLock(); |
DisableAndLock(); |
161 |
ResetInternal(); |
ResetInternal(); |
162 |
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ResetScaleTuning(); |
163 |
Enable(); |
Enable(); |
164 |
} |
} |
165 |
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173 |
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174 |
// reset voice stealing parameters |
// reset voice stealing parameters |
175 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
176 |
itLastStolenVoice = RTList<Voice>::Iterator(); |
itLastStolenVoice = RTList<Voice>::Iterator(); |
177 |
iuiLastStolenKey = RTList<uint>::Iterator(); |
itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
178 |
pLastStolenChannel = NULL; |
iuiLastStolenKey = RTList<uint>::Iterator(); |
179 |
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iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
180 |
// reset to normal chromatic scale (means equal temper) |
pLastStolenChannel = NULL; |
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memset(&ScaleTuning[0], 0x00, 12); |
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182 |
// reset all voices |
// reset all voices |
183 |
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()) { |
193 |
} |
} |
194 |
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195 |
/** |
/** |
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* Reset to normal, chromatic scale (means equal tempered). |
197 |
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*/ |
198 |
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void Engine::ResetScaleTuning() { |
199 |
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memset(&ScaleTuning[0], 0x00, 12); |
200 |
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} |
201 |
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202 |
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/** |
203 |
* Connect this engine instance with the given audio output device. |
* Connect this engine instance with the given audio output device. |
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* This method will be called when an Engine instance is created. |
* This method will be called when an Engine instance is created. |
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* All of the engine's data structures which are dependant to the used |
* All of the engine's data structures which are dependant to the used |
226 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
227 |
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// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
229 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
230 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) { |
231 |
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 " |
232 |
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<< "too big for current audio fragment size & sampling rate! " |
233 |
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<< "May lead to click sounds if voice stealing chimes in!\n" << std::flush; |
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// force volume ramp downs at the beginning of each fragment |
235 |
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MaxFadeOutPos = 0; |
236 |
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// lower minimum release time |
237 |
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const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate; |
238 |
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for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
239 |
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iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate); |
240 |
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} |
241 |
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pVoicePool->clear(); |
242 |
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} |
243 |
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// (re)create disk thread |
// (re)create disk thread |
245 |
if (this->pDiskThread) { |
if (this->pDiskThread) { |
248 |
delete this->pDiskThread; |
delete this->pDiskThread; |
249 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
250 |
} |
} |
251 |
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 |
252 |
if (!pDiskThread) { |
if (!pDiskThread) { |
253 |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
dmsg(0,("gig::Engine new diskthread = NULL\n")); |
254 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
264 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
265 |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
266 |
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// (re)allocate synthesis parameter matrix |
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if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
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#if defined(__APPLE__) |
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pSynthesisParameters[0] = (float *) malloc(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle()); |
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#else |
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pSynthesisParameters[0] = (float *) memalign(16,(Event::destination_count * sizeof(float) * pAudioOut->MaxSamplesPerCycle())); |
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#endif |
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for (int dst = 1; dst < Event::destination_count; dst++) |
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pSynthesisParameters[dst] = pSynthesisParameters[dst - 1] + pAudioOut->MaxSamplesPerCycle(); |
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// (re)allocate biquad filter parameter sequence |
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if (pBasicFilterParameters) delete[] pBasicFilterParameters; |
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if (pMainFilterParameters) delete[] pMainFilterParameters; |
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pBasicFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()]; |
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pMainFilterParameters = new biquad_param_t[pAudioOut->MaxSamplesPerCycle()]; |
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dmsg(1,("Starting disk thread...")); |
dmsg(1,("Starting disk thread...")); |
268 |
pDiskThread->StartThread(); |
pDiskThread->StartThread(); |
269 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
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// 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) |
342 |
pEventGenerator->UpdateFragmentTime(Samples); |
pEventGenerator->UpdateFragmentTime(Samples); |
343 |
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344 |
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// We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned |
345 |
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// in each audio fragment. All subsequent request for spawning new |
346 |
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// voices in the same audio fragment will be ignored. |
347 |
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VoiceSpawnsLeft = CONFIG_MAX_VOICES; |
348 |
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349 |
// 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 |
350 |
// (these are usually just SysEx messages) |
// (these are usually just SysEx messages) |
351 |
ImportEvents(Samples); |
ImportEvents(Samples); |
364 |
} |
} |
365 |
} |
} |
366 |
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// We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen |
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// in each audio fragment. All subsequent request for spawning new |
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// voices in the same audio fragment will be ignored. |
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VoiceTheftsLeft = MAX_AUDIO_VOICES; |
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367 |
// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
368 |
ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
369 |
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370 |
// handle events on all engine channels |
// handle events on all engine channels |
371 |
for (int i = 0; i < engineChannels.size(); i++) { |
for (int i = 0; i < engineChannels.size(); i++) { |
372 |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
394 |
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395 |
// reset voice stealing for the next audio fragment |
// reset voice stealing for the next audio fragment |
396 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
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iuiLastStolenKey = RTList<uint>::Iterator(); |
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pLastStolenChannel = NULL; |
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398 |
// just some statistics about this engine instance |
// just some statistics about this engine instance |
399 |
ActiveVoiceCount = ActiveVoiceCountTemp; |
ActiveVoiceCount = ActiveVoiceCountTemp; |
400 |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
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402 |
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FrameTime += Samples; |
403 |
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404 |
return 0; |
return 0; |
405 |
} |
} |
406 |
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443 |
} |
} |
444 |
} |
} |
445 |
} |
} |
446 |
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447 |
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// reset voice stealing for the next engine channel (or next audio fragment) |
448 |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
449 |
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itLastStolenVoiceGlobally = RTList<Voice>::Iterator(); |
450 |
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iuiLastStolenKey = RTList<uint>::Iterator(); |
451 |
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iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); |
452 |
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pLastStolenChannel = NULL; |
453 |
} |
} |
454 |
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455 |
/** |
/** |
462 |
* this audio fragment cycle |
* this audio fragment cycle |
463 |
*/ |
*/ |
464 |
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
465 |
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#if !CONFIG_PROCESS_MUTED_CHANNELS |
466 |
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if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
467 |
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#endif |
468 |
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469 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
470 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
471 |
while (iuiKey != end) { // iterate through all active keys |
while (iuiKey != end) { // iterate through all active keys |
504 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
505 |
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
506 |
Pool<Voice>::Iterator itNewVoice = |
Pool<Voice>::Iterator itNewVoice = |
507 |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false, false); |
508 |
if (itNewVoice) { |
if (itNewVoice) { |
509 |
itNewVoice->Render(Samples); |
itNewVoice->Render(Samples); |
510 |
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
537 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
538 |
++iuiKey; |
++iuiKey; |
539 |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
if (pKey->pActiveVoices->isEmpty()) FreeKey(pEngineChannel, pKey); |
540 |
#if DEVMODE |
#if CONFIG_DEVMODE |
541 |
else { // FIXME: should be removed before the final release (purpose: just a sanity check for debugging) |
else { // just a sanity check for debugging |
542 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
543 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
544 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
547 |
} |
} |
548 |
} |
} |
549 |
} |
} |
550 |
#endif // DEVMODE |
#endif // CONFIG_DEVMODE |
551 |
} |
} |
552 |
} |
} |
553 |
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582 |
// finally place sysex event into input event queue |
// finally place sysex event into input event queue |
583 |
pEventQueue->push(&event); |
pEventQueue->push(&event); |
584 |
} |
} |
585 |
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)); |
586 |
} |
} |
587 |
else dmsg(1,("Engine: Input event queue full!")); |
else dmsg(1,("Engine: Input event queue full!")); |
588 |
} |
} |
594 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
595 |
*/ |
*/ |
596 |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
597 |
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#if !CONFIG_PROCESS_MUTED_CHANNELS |
598 |
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if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
599 |
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#endif |
600 |
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601 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
602 |
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611 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
612 |
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613 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
614 |
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pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
615 |
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pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
616 |
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617 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
618 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
635 |
int voicesRequired = pRegion->Layers; |
int voicesRequired = pRegion->Layers; |
636 |
// now launch the required amount of voices |
// now launch the required amount of voices |
637 |
for (int i = 0; i < voicesRequired; i++) |
for (int i = 0; i < voicesRequired; i++) |
638 |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true); |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true, true); |
639 |
} |
} |
640 |
} |
} |
641 |
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656 |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
657 |
*/ |
*/ |
658 |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
659 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
660 |
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if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
661 |
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#endif |
662 |
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663 |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
664 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
665 |
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666 |
// release voices on this key if needed |
// release voices on this key if needed |
667 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
668 |
itNoteOffEvent->Type = Event::type_release; // transform event type |
itNoteOffEvent->Type = Event::type_release; // transform event type |
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} |
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669 |
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670 |
// move event to the key's own event list |
// move event to the key's own event list |
671 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
672 |
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673 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
674 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
675 |
// first, get total amount of required voices (dependant on amount of layers) |
// first, get total amount of required voices (dependant on amount of layers) |
676 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
677 |
if (pRegion) { |
if (pRegion) { |
678 |
int voicesRequired = pRegion->Layers; |
int voicesRequired = pRegion->Layers; |
679 |
// now launch the required amount of voices |
|
680 |
for (int i = 0; i < voicesRequired; i++) |
// MIDI note-on velocity is used instead of note-off velocity |
681 |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
itNoteOffEventOnKeyList->Param.Note.Velocity = pKey->Velocity; |
682 |
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683 |
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// now launch the required amount of voices |
684 |
|
for (int i = 0; i < voicesRequired; i++) |
685 |
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LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
686 |
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} |
687 |
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pKey->ReleaseTrigger = false; |
688 |
} |
} |
|
pKey->ReleaseTrigger = false; |
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} |
|
689 |
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690 |
// if neither a voice was spawned or postponed then remove note off event from key again |
// if neither a voice was spawned or postponed then remove note off event from key again |
691 |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
692 |
pKey->pEvents->free(itNoteOffEventOnKeyList); |
pKey->pEvents->free(itNoteOffEventOnKeyList); |
693 |
|
} |
694 |
} |
} |
695 |
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|
696 |
/** |
/** |
697 |
* Moves pitchbend event from the general (input) event list to the pitch |
* Moves pitchbend event from the general (input) event list to the engine |
698 |
* event list. |
* channel's event list. It will actually processed later by the |
699 |
|
* respective voice. |
700 |
* |
* |
701 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
702 |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
703 |
*/ |
*/ |
704 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
705 |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
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itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]); |
|
706 |
} |
} |
707 |
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|
708 |
/** |
/** |
719 |
* @param VoiceStealing - if voice stealing should be performed |
* @param VoiceStealing - if voice stealing should be performed |
720 |
* when there is no free voice |
* when there is no free voice |
721 |
* (optional, default = true) |
* (optional, default = true) |
722 |
|
* @param HandleKeyGroupConflicts - if voices should be killed due to a |
723 |
|
* key group conflict |
724 |
* @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 |
725 |
* if the voice wasn't triggered (for example when no region is |
* if the voice wasn't triggered (for example when no region is |
726 |
* defined for the given key). |
* defined for the given key). |
727 |
*/ |
*/ |
728 |
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) { |
729 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
int MIDIKey = itNoteOnEvent->Param.Note.Key; |
730 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[MIDIKey]; |
731 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(MIDIKey); |
732 |
|
|
733 |
|
// if nothing defined for this key |
734 |
|
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
735 |
|
|
736 |
|
// only mark the first voice of a layered voice (group) to be in a |
737 |
|
// key group, so the layered voices won't kill each other |
738 |
|
int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
739 |
|
|
740 |
|
// handle key group (a.k.a. exclusive group) conflicts |
741 |
|
if (HandleKeyGroupConflicts) { |
742 |
|
if (iKeyGroup) { // if this voice / key belongs to a key group |
743 |
|
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup]; |
744 |
|
if (*ppKeyGroup) { // if there's already an active key in that key group |
745 |
|
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[**ppKeyGroup]; |
746 |
|
// kill all voices on the (other) key |
747 |
|
RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
748 |
|
RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
749 |
|
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
750 |
|
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) { |
751 |
|
itVoiceToBeKilled->Kill(itNoteOnEvent); |
752 |
|
--VoiceSpawnsLeft; //FIXME: just a hack, we should better check in StealVoice() if the voice was killed due to key conflict |
753 |
|
} |
754 |
|
} |
755 |
|
} |
756 |
|
} |
757 |
|
} |
758 |
|
|
759 |
|
Voice::type_t VoiceType = Voice::type_normal; |
760 |
|
|
761 |
|
// get current dimension values to select the right dimension region |
762 |
|
//TODO: for stolen voices this dimension region selection block is processed twice, this should be changed |
763 |
|
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
764 |
|
uint DimValues[8] = { 0 }; |
765 |
|
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
766 |
|
switch (pRegion->pDimensionDefinitions[i].dimension) { |
767 |
|
case ::gig::dimension_samplechannel: |
768 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
769 |
|
break; |
770 |
|
case ::gig::dimension_layer: |
771 |
|
DimValues[i] = iLayer; |
772 |
|
break; |
773 |
|
case ::gig::dimension_velocity: |
774 |
|
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
775 |
|
break; |
776 |
|
case ::gig::dimension_channelaftertouch: |
777 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
778 |
|
break; |
779 |
|
case ::gig::dimension_releasetrigger: |
780 |
|
VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal; |
781 |
|
DimValues[i] = (uint) ReleaseTriggerVoice; |
782 |
|
break; |
783 |
|
case ::gig::dimension_keyboard: |
784 |
|
DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension; |
785 |
|
break; |
786 |
|
case ::gig::dimension_roundrobin: |
787 |
|
DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
788 |
|
break; |
789 |
|
case ::gig::dimension_random: |
790 |
|
RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
791 |
|
DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
792 |
|
break; |
793 |
|
case ::gig::dimension_modwheel: |
794 |
|
DimValues[i] = pEngineChannel->ControllerTable[1]; |
795 |
|
break; |
796 |
|
case ::gig::dimension_breath: |
797 |
|
DimValues[i] = pEngineChannel->ControllerTable[2]; |
798 |
|
break; |
799 |
|
case ::gig::dimension_foot: |
800 |
|
DimValues[i] = pEngineChannel->ControllerTable[4]; |
801 |
|
break; |
802 |
|
case ::gig::dimension_portamentotime: |
803 |
|
DimValues[i] = pEngineChannel->ControllerTable[5]; |
804 |
|
break; |
805 |
|
case ::gig::dimension_effect1: |
806 |
|
DimValues[i] = pEngineChannel->ControllerTable[12]; |
807 |
|
break; |
808 |
|
case ::gig::dimension_effect2: |
809 |
|
DimValues[i] = pEngineChannel->ControllerTable[13]; |
810 |
|
break; |
811 |
|
case ::gig::dimension_genpurpose1: |
812 |
|
DimValues[i] = pEngineChannel->ControllerTable[16]; |
813 |
|
break; |
814 |
|
case ::gig::dimension_genpurpose2: |
815 |
|
DimValues[i] = pEngineChannel->ControllerTable[17]; |
816 |
|
break; |
817 |
|
case ::gig::dimension_genpurpose3: |
818 |
|
DimValues[i] = pEngineChannel->ControllerTable[18]; |
819 |
|
break; |
820 |
|
case ::gig::dimension_genpurpose4: |
821 |
|
DimValues[i] = pEngineChannel->ControllerTable[19]; |
822 |
|
break; |
823 |
|
case ::gig::dimension_sustainpedal: |
824 |
|
DimValues[i] = pEngineChannel->ControllerTable[64]; |
825 |
|
break; |
826 |
|
case ::gig::dimension_portamento: |
827 |
|
DimValues[i] = pEngineChannel->ControllerTable[65]; |
828 |
|
break; |
829 |
|
case ::gig::dimension_sostenutopedal: |
830 |
|
DimValues[i] = pEngineChannel->ControllerTable[66]; |
831 |
|
break; |
832 |
|
case ::gig::dimension_softpedal: |
833 |
|
DimValues[i] = pEngineChannel->ControllerTable[67]; |
834 |
|
break; |
835 |
|
case ::gig::dimension_genpurpose5: |
836 |
|
DimValues[i] = pEngineChannel->ControllerTable[80]; |
837 |
|
break; |
838 |
|
case ::gig::dimension_genpurpose6: |
839 |
|
DimValues[i] = pEngineChannel->ControllerTable[81]; |
840 |
|
break; |
841 |
|
case ::gig::dimension_genpurpose7: |
842 |
|
DimValues[i] = pEngineChannel->ControllerTable[82]; |
843 |
|
break; |
844 |
|
case ::gig::dimension_genpurpose8: |
845 |
|
DimValues[i] = pEngineChannel->ControllerTable[83]; |
846 |
|
break; |
847 |
|
case ::gig::dimension_effect1depth: |
848 |
|
DimValues[i] = pEngineChannel->ControllerTable[91]; |
849 |
|
break; |
850 |
|
case ::gig::dimension_effect2depth: |
851 |
|
DimValues[i] = pEngineChannel->ControllerTable[92]; |
852 |
|
break; |
853 |
|
case ::gig::dimension_effect3depth: |
854 |
|
DimValues[i] = pEngineChannel->ControllerTable[93]; |
855 |
|
break; |
856 |
|
case ::gig::dimension_effect4depth: |
857 |
|
DimValues[i] = pEngineChannel->ControllerTable[94]; |
858 |
|
break; |
859 |
|
case ::gig::dimension_effect5depth: |
860 |
|
DimValues[i] = pEngineChannel->ControllerTable[95]; |
861 |
|
break; |
862 |
|
case ::gig::dimension_none: |
863 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush; |
864 |
|
break; |
865 |
|
default: |
866 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
867 |
|
} |
868 |
|
} |
869 |
|
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
870 |
|
|
871 |
|
// no need to continue if sample is silent |
872 |
|
if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator(); |
873 |
|
|
874 |
// allocate a new voice for the key |
// allocate a new voice for the key |
875 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
876 |
if (itNewVoice) { |
if (itNewVoice) { |
877 |
// launch the new voice |
// launch the new voice |
878 |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) { |
879 |
dmsg(4,("Voice not triggered\n")); |
dmsg(4,("Voice not triggered\n")); |
880 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
881 |
} |
} |
882 |
else { // on success |
else { // on success |
883 |
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); |
|
|
} |
|
|
} |
|
|
} |
|
884 |
if (!pKey->Active) { // mark as active key |
if (!pKey->Active) { // mark as active key |
885 |
pKey->Active = true; |
pKey->Active = true; |
886 |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
pKey->itSelf = pEngineChannel->pActiveKeys->allocAppend(); |
887 |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
*pKey->itSelf = itNoteOnEvent->Param.Note.Key; |
888 |
} |
} |
889 |
if (itNewVoice->KeyGroup) { |
if (itNewVoice->KeyGroup) { |
890 |
|
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[itNewVoice->KeyGroup]; |
891 |
*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 |
892 |
} |
} |
893 |
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) |
924 |
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
925 |
*/ |
*/ |
926 |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
927 |
if (!VoiceTheftsLeft) { |
if (VoiceSpawnsLeft <= 0) { |
928 |
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise MAX_AUDIO_VOICES).\n")); |
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise CONFIG_MAX_VOICES).\n")); |
929 |
return -1; |
return -1; |
930 |
} |
} |
931 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
933 |
RTList<Voice>::Iterator itSelectedVoice; |
RTList<Voice>::Iterator itSelectedVoice; |
934 |
|
|
935 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
936 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (CONFIG_VOICE_STEAL_ALGO) { |
937 |
|
|
938 |
// try to pick the oldest voice on the key where the new |
// try to pick the oldest voice on the key where the new |
939 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
940 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill, then procceed with |
941 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
942 |
case voice_steal_algo_oldestvoiceonkey: { |
case voice_steal_algo_oldestvoiceonkey: { |
|
#if 0 // FIXME: broken |
|
943 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
944 |
if (this->itLastStolenVoice) { |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
945 |
itSelectedVoice = this->itLastStolenVoice; |
// proceed iterating if voice was created in this fragment cycle |
946 |
++itSelectedVoice; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
947 |
} |
// if we haven't found a voice then proceed with algorithm 'oldestkey' |
948 |
else { // no voice stolen in this audio fragment cycle yet |
if (itSelectedVoice && itSelectedVoice->IsStealable()) break; |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
|
|
} |
|
|
if (itSelectedVoice) { |
|
|
iuiSelectedKey = pSelectedKey->itSelf; |
|
|
break; // selection succeeded |
|
|
} |
|
|
#endif |
|
949 |
} // no break - intentional ! |
} // no break - intentional ! |
950 |
|
|
951 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
952 |
|
// from the same engine channel |
953 |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
954 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
955 |
|
// if we already stole in this fragment, try to proceed on same key |
956 |
if (this->itLastStolenVoice) { |
if (this->itLastStolenVoice) { |
957 |
itSelectedVoice = this->itLastStolenVoice; |
itSelectedVoice = this->itLastStolenVoice; |
958 |
++itSelectedVoice; |
do { |
959 |
if (itSelectedVoice) break; // selection succeeded |
++itSelectedVoice; |
960 |
RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey; |
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
961 |
++iuiSelectedKey; |
// found a "stealable" voice ? |
962 |
if (iuiSelectedKey) { |
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
963 |
this->iuiLastStolenKey = iuiSelectedKey; |
// remember which voice we stole, so we can simply proceed on next voice stealing |
964 |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
this->itLastStolenVoice = itSelectedVoice; |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
|
965 |
break; // selection succeeded |
break; // selection succeeded |
966 |
} |
} |
967 |
} |
} |
968 |
|
// get (next) oldest key |
969 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKey) ? ++this->iuiLastStolenKey : pEngineChannel->pActiveKeys->first(); |
970 |
|
while (iuiSelectedKey) { |
971 |
|
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
972 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
973 |
|
// proceed iterating if voice was created in this fragment cycle |
974 |
|
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
975 |
|
// found a "stealable" voice ? |
976 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
977 |
|
// remember which voice on which key we stole, so we can simply proceed on next voice stealing |
978 |
|
this->iuiLastStolenKey = iuiSelectedKey; |
979 |
|
this->itLastStolenVoice = itSelectedVoice; |
980 |
|
break; // selection succeeded |
981 |
|
} |
982 |
|
++iuiSelectedKey; // get next oldest key |
983 |
|
} |
984 |
break; |
break; |
985 |
} |
} |
986 |
|
|
992 |
} |
} |
993 |
} |
} |
994 |
|
|
995 |
// steal oldest voice on the oldest key from this or any other engine channel |
// if we couldn't steal a voice from the same engine channel then |
996 |
if (!itSelectedVoice) { |
// steal oldest voice on the oldest key from any other engine channel |
997 |
EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel; |
// (the smaller engine channel number, the higher priority) |
998 |
int iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
if (!itSelectedVoice || !itSelectedVoice->IsStealable()) { |
999 |
while (true) { |
EngineChannel* pSelectedChannel; |
1000 |
RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first(); |
int iChannelIndex; |
1001 |
if (iuiSelectedKey) { |
// select engine channel |
1002 |
|
if (pLastStolenChannel) { |
1003 |
|
pSelectedChannel = pLastStolenChannel; |
1004 |
|
iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
1005 |
|
} else { // pick the engine channel followed by this engine channel |
1006 |
|
iChannelIndex = (pEngineChannel->iEngineIndexSelf + 1) % engineChannels.size(); |
1007 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
1008 |
|
} |
1009 |
|
|
1010 |
|
// if we already stole in this fragment, try to proceed on same key |
1011 |
|
if (this->itLastStolenVoiceGlobally) { |
1012 |
|
itSelectedVoice = this->itLastStolenVoiceGlobally; |
1013 |
|
do { |
1014 |
|
++itSelectedVoice; |
1015 |
|
} while (itSelectedVoice && !itSelectedVoice->IsStealable()); // proceed iterating if voice was created in this fragment cycle |
1016 |
|
} |
1017 |
|
|
1018 |
|
#if CONFIG_DEVMODE |
1019 |
|
EngineChannel* pBegin = pSelectedChannel; // to detect endless loop |
1020 |
|
#endif // CONFIG_DEVMODE |
1021 |
|
|
1022 |
|
// did we find a 'stealable' voice? |
1023 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1024 |
|
// remember which voice we stole, so we can simply proceed on next voice stealing |
1025 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
1026 |
|
} else while (true) { // iterate through engine channels |
1027 |
|
// get (next) oldest key |
1028 |
|
RTList<uint>::Iterator iuiSelectedKey = (this->iuiLastStolenKeyGlobally) ? ++this->iuiLastStolenKeyGlobally : pSelectedChannel->pActiveKeys->first(); |
1029 |
|
this->iuiLastStolenKeyGlobally = RTList<uint>::Iterator(); // to prevent endless loop (see line above) |
1030 |
|
while (iuiSelectedKey) { |
1031 |
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
1032 |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
1033 |
iuiLastStolenKey = iuiSelectedKey; |
// proceed iterating if voice was created in this fragment cycle |
1034 |
pLastStolenChannel = pSelectedChannel; |
while (itSelectedVoice && !itSelectedVoice->IsStealable()) ++itSelectedVoice; |
1035 |
break; // selection succeeded |
// found a "stealable" voice ? |
1036 |
|
if (itSelectedVoice && itSelectedVoice->IsStealable()) { |
1037 |
|
// remember which voice on which key on which engine channel we stole, so we can simply proceed on next voice stealing |
1038 |
|
this->iuiLastStolenKeyGlobally = iuiSelectedKey; |
1039 |
|
this->itLastStolenVoiceGlobally = itSelectedVoice; |
1040 |
|
this->pLastStolenChannel = pSelectedChannel; |
1041 |
|
goto stealable_voice_found; // selection succeeded |
1042 |
|
} |
1043 |
|
++iuiSelectedKey; // get next key on current engine channel |
1044 |
} |
} |
1045 |
|
// get next engine channel |
1046 |
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
1047 |
pSelectedChannel = engineChannels[iChannelIndex]; |
pSelectedChannel = engineChannels[iChannelIndex]; |
1048 |
|
|
1049 |
|
#if CONFIG_DEVMODE |
1050 |
|
if (pSelectedChannel == pBegin) { |
1051 |
|
dmsg(1,("FATAL ERROR: voice stealing endless loop!\n")); |
1052 |
|
dmsg(1,("VoiceSpawnsLeft=%d.\n", VoiceSpawnsLeft)); |
1053 |
|
dmsg(1,("Exiting.\n")); |
1054 |
|
exit(-1); |
1055 |
|
} |
1056 |
|
#endif // CONFIG_DEVMODE |
1057 |
} |
} |
1058 |
} |
} |
1059 |
|
|
1060 |
//FIXME: can be removed, just a sanity check for debugging |
// jump point if a 'stealable' voice was found |
1061 |
|
stealable_voice_found: |
1062 |
|
|
1063 |
|
#if CONFIG_DEVMODE |
1064 |
if (!itSelectedVoice->IsActive()) { |
if (!itSelectedVoice->IsActive()) { |
1065 |
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
1066 |
return -1; |
return -1; |
1067 |
} |
} |
1068 |
|
#endif // CONFIG_DEVMODE |
1069 |
|
|
1070 |
// now kill the selected voice |
// now kill the selected voice |
1071 |
itSelectedVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
1072 |
|
|
1073 |
// remember which voice we stole, so we can simply proceed for the next voice stealing |
--VoiceSpawnsLeft; |
|
itLastStolenVoice = itSelectedVoice; |
|
|
|
|
|
--VoiceTheftsLeft; |
|
1074 |
|
|
1075 |
return 0; // success |
return 0; // success |
1076 |
} |
} |
1139 |
// update controller value in the engine channel's controller table |
// update controller value in the engine channel's controller table |
1140 |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
1141 |
|
|
1142 |
// move event from the unsorted event list to the control change event list |
switch (itControlChangeEvent->Param.CC.Controller) { |
|
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents); |
|
|
|
|
|
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
|
1143 |
case 7: { // volume |
case 7: { // volume |
1144 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1145 |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f; |
1146 |
|
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
1147 |
break; |
break; |
1148 |
} |
} |
1149 |
case 10: { // panpot |
case 10: { // panpot |
1150 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1151 |
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
const int pan = (int) itControlChangeEvent->Param.CC.Value - 64; |
1152 |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
1153 |
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
1154 |
break; |
break; |
1155 |
} |
} |
1156 |
case 64: { // sustain |
case 64: { // sustain |
1157 |
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
1158 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
1159 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
1160 |
|
|
1161 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1162 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1163 |
|
#endif |
1164 |
|
|
1165 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
1166 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1167 |
for (; iuiKey; ++iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1169 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
1170 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1171 |
if (itNewEvent) { |
if (itNewEvent) { |
1172 |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1173 |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
1174 |
} |
} |
1175 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
1176 |
} |
} |
1177 |
} |
} |
1178 |
} |
} |
1179 |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
1180 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
1181 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
1182 |
|
|
1183 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1184 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1185 |
|
#endif |
1186 |
|
|
1187 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
1188 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1189 |
for (; iuiKey; ++iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1191 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
1192 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1193 |
if (itNewEvent) { |
if (itNewEvent) { |
1194 |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1195 |
itNewEvent->Type = Event::type_release; // transform event type |
itNewEvent->Type = Event::type_release; // transform event type |
1196 |
} |
} |
1197 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
1205 |
// Channel Mode Messages |
// Channel Mode Messages |
1206 |
|
|
1207 |
case 120: { // all sound off |
case 120: { // all sound off |
1208 |
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1209 |
break; |
break; |
1210 |
} |
} |
1211 |
case 121: { // reset all controllers |
case 121: { // reset all controllers |
1213 |
break; |
break; |
1214 |
} |
} |
1215 |
case 123: { // all notes off |
case 123: { // all notes off |
1216 |
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
ReleaseAllVoices(pEngineChannel, itControlChangeEvent); |
1217 |
break; |
break; |
1218 |
} |
} |
1219 |
} |
} |
1234 |
|
|
1235 |
switch (id) { |
switch (id) { |
1236 |
case 0x41: { // Roland |
case 0x41: { // Roland |
1237 |
|
dmsg(3,("Roland Sysex\n")); |
1238 |
uint8_t device_id, model_id, cmd_id; |
uint8_t device_id, model_id, cmd_id; |
1239 |
if (!reader.pop(&device_id)) goto free_sysex_data; |
if (!reader.pop(&device_id)) goto free_sysex_data; |
1240 |
if (!reader.pop(&model_id)) goto free_sysex_data; |
if (!reader.pop(&model_id)) goto free_sysex_data; |
1247 |
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 |
1248 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
1249 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
1250 |
|
dmsg(3,("\tSystem Parameter\n")); |
1251 |
} |
} |
1252 |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters |
1253 |
|
dmsg(3,("\tCommon Parameter\n")); |
1254 |
} |
} |
1255 |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
else if (addr[0] == 0x40 && (addr[1] & 0xf0) == 0x10) { // Part Parameters (1) |
1256 |
switch (addr[3]) { |
dmsg(3,("\tPart Parameter\n")); |
1257 |
|
switch (addr[2]) { |
1258 |
case 0x40: { // scale tuning |
case 0x40: { // scale tuning |
1259 |
|
dmsg(3,("\t\tScale Tuning\n")); |
1260 |
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 |
1261 |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
if (reader.read(&scale_tunes[0], 12) != 12) goto free_sysex_data; |
1262 |
uint8_t checksum; |
uint8_t checksum; |
1263 |
if (!reader.pop(&checksum)) goto free_sysex_data; |
if (!reader.pop(&checksum)) goto free_sysex_data; |
1264 |
if (GSCheckSum(checksum_reader, 12) != checksum) goto free_sysex_data; |
#if CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1265 |
|
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
1266 |
|
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
1267 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
1268 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScale((int8_t*) scale_tunes); |
1269 |
|
dmsg(3,("\t\t\tNew scale applied.\n")); |
1270 |
break; |
break; |
1271 |
} |
} |
1272 |
} |
} |
1351 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
1352 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
1353 |
itVoice->Kill(itKillEvent); |
itVoice->Kill(itKillEvent); |
1354 |
|
--VoiceSpawnsLeft; //FIXME: just a temporary workaround, we should check the cause in StealVoice() instead |
1355 |
} |
} |
1356 |
} |
} |
1357 |
} |
} |
1358 |
|
|
|
/** |
|
|
* Initialize the parameter sequence for the modulation destination given by |
|
|
* by 'dst' with the constant value given by val. |
|
|
*/ |
|
|
void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) { |
|
|
int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle(); |
|
|
float* m = &pSynthesisParameters[dst][0]; |
|
|
for (int i = 0; i < maxsamples; i += 4) { |
|
|
m[i] = val; |
|
|
m[i+1] = val; |
|
|
m[i+2] = val; |
|
|
m[i+3] = val; |
|
|
} |
|
|
} |
|
|
|
|
1359 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
1360 |
return ActiveVoiceCount; |
return ActiveVoiceCount; |
1361 |
} |
} |
1385 |
} |
} |
1386 |
|
|
1387 |
String Engine::EngineName() { |
String Engine::EngineName() { |
1388 |
return "GigEngine"; |
return LS_GIG_ENGINE_NAME; |
1389 |
} |
} |
1390 |
|
|
1391 |
String Engine::Description() { |
String Engine::Description() { |
1393 |
} |
} |
1394 |
|
|
1395 |
String Engine::Version() { |
String Engine::Version() { |
1396 |
String s = "$Revision: 1.33 $"; |
String s = "$Revision: 1.53 $"; |
1397 |
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 |
1398 |
} |
} |
1399 |
|
|