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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 Christian Schoenebeck * |
* Copyright (C) 2005, 2006 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#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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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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34 |
InstrumentResourceManager Engine::instruments; |
InstrumentResourceManager Engine::instruments; |
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 |
ResetScaleTuning(); |
ResetScaleTuning(); |
113 |
} |
} |
116 |
* Destructor |
* Destructor |
117 |
*/ |
*/ |
118 |
Engine::~Engine() { |
Engine::~Engine() { |
119 |
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MidiInputPort::RemoveSysexListener(this); |
120 |
if (pDiskThread) { |
if (pDiskThread) { |
121 |
dmsg(1,("Stopping disk thread...")); |
dmsg(1,("Stopping disk thread...")); |
122 |
pDiskThread->StopThread(); |
pDiskThread->StopThread(); |
130 |
delete pVoicePool; |
delete pVoicePool; |
131 |
} |
} |
132 |
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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133 |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
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if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
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EngineFactory::Destroy(this); |
EngineFactory::Destroy(this); |
166 |
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167 |
/** |
/** |
168 |
* Reset all voices and disk thread and clear input event queue and all |
* Reset all voices and disk thread and clear input event queue and all |
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* control and status variables. This method is not thread safe! |
* control and status variables. This method is protected by a mutex. |
170 |
*/ |
*/ |
171 |
void Engine::ResetInternal() { |
void Engine::ResetInternal() { |
172 |
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ResetInternalMutex.Lock(); |
173 |
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174 |
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// make sure that the engine does not get any sysex messages |
175 |
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// while it's reseting |
176 |
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bool sysexDisabled = MidiInputPort::RemoveSysexListener(this); |
177 |
ActiveVoiceCount = 0; |
ActiveVoiceCount = 0; |
178 |
ActiveVoiceCountMax = 0; |
ActiveVoiceCountMax = 0; |
179 |
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196 |
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197 |
// delete all input events |
// delete all input events |
198 |
pEventQueue->init(); |
pEventQueue->init(); |
199 |
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pSysexBuffer->init(); |
200 |
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if (sysexDisabled) MidiInputPort::AddSysexListener(this); |
201 |
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ResetInternalMutex.Unlock(); |
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} |
} |
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204 |
/** |
/** |
245 |
// lower minimum release time |
// lower minimum release time |
246 |
const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate; |
const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate; |
247 |
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()) { |
248 |
iterVoice->pEG1->CalculateFadeOutCoeff(minReleaseTime, SampleRate); |
iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate); |
249 |
} |
} |
250 |
pVoicePool->clear(); |
pVoicePool->clear(); |
251 |
} |
} |
273 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
274 |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
275 |
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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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276 |
dmsg(1,("Starting disk thread...")); |
dmsg(1,("Starting disk thread...")); |
277 |
pDiskThread->StartThread(); |
pDiskThread->StartThread(); |
278 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
608 |
#endif |
#endif |
609 |
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610 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
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613 |
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// move note on event to the key's own event list |
614 |
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RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
615 |
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616 |
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// if Solo Mode then kill all already active voices |
617 |
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if (pEngineChannel->SoloMode) { |
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Pool<uint>::Iterator itYoungestKey = pEngineChannel->pActiveKeys->last(); |
619 |
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if (itYoungestKey) { |
620 |
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const int iYoungestKey = *itYoungestKey; |
621 |
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const midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[iYoungestKey]; |
622 |
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if (pOtherKey->Active) { |
623 |
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// get final portamento position of currently active voice |
624 |
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if (pEngineChannel->PortamentoMode) { |
625 |
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RTList<Voice>::Iterator itVoice = pOtherKey->pActiveVoices->last(); |
626 |
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if (itVoice) itVoice->UpdatePortamentoPos(itNoteOnEventOnKeyList); |
627 |
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} |
628 |
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// kill all voices on the (other) key |
629 |
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RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
630 |
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RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
631 |
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for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
632 |
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if (itVoiceToBeKilled->Type != Voice::type_release_trigger) |
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itVoiceToBeKilled->Kill(itNoteOnEventOnKeyList); |
634 |
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} |
635 |
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} |
636 |
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} |
637 |
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// set this key as 'currently active solo key' |
638 |
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pEngineChannel->SoloKey = key; |
639 |
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} |
640 |
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641 |
// Change key dimension value if key is in keyswitching area |
// Change key dimension value if key is in keyswitching area |
642 |
{ |
{ |
646 |
(pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1); |
(pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1); |
647 |
} |
} |
648 |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
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649 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
650 |
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
pKey->Velocity = itNoteOnEventOnKeyList->Param.Note.Velocity; |
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pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
pKey->NoteOnTime = FrameTime + itNoteOnEventOnKeyList->FragmentPos(); // will be used to calculate note length |
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// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
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if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
655 |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
656 |
if (itCancelReleaseEvent) { |
if (itCancelReleaseEvent) { |
657 |
*itCancelReleaseEvent = *itNoteOnEvent; // copy event |
*itCancelReleaseEvent = *itNoteOnEventOnKeyList; // copy event |
658 |
itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
659 |
} |
} |
660 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
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} |
} |
662 |
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// move note on event to the key's own event list |
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RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
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// allocate and trigger new voice(s) for the key |
// allocate and trigger new voice(s) for the key |
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{ |
{ |
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// 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 |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
677 |
pKey->pEvents->free(itNoteOnEventOnKeyList); |
pKey->pEvents->free(itNoteOnEventOnKeyList); |
678 |
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679 |
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if (!pEngineChannel->SoloMode || pEngineChannel->PortamentoPos < 0.0f) pEngineChannel->PortamentoPos = (float) key; |
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pKey->RoundRobinIndex++; |
pKey->RoundRobinIndex++; |
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} |
} |
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if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
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#endif |
#endif |
696 |
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697 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
const int iKey = itNoteOffEvent->Param.Note.Key; |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[iKey]; |
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pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
700 |
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701 |
// release voices on this key if needed |
// move event to the key's own event list |
702 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
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itNoteOffEvent->Type = Event::type_release; // transform event type |
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704 |
// move event to the key's own event list |
bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key); |
705 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
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// in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any) |
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if (pEngineChannel->SoloMode) { //TODO: this feels like too much code just for handling solo mode :P |
708 |
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bool bOtherKeysPressed = false; |
709 |
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if (iKey == pEngineChannel->SoloKey) { |
710 |
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pEngineChannel->SoloKey = -1; |
711 |
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// if there's still a key pressed down, respawn a voice (group) on the highest key |
712 |
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for (int i = 127; i > 0; i--) { |
713 |
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midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[i]; |
714 |
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if (pOtherKey->KeyPressed) { |
715 |
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bOtherKeysPressed = true; |
716 |
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// make the other key the new 'currently active solo key' |
717 |
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pEngineChannel->SoloKey = i; |
718 |
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// get final portamento position of currently active voice |
719 |
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if (pEngineChannel->PortamentoMode) { |
720 |
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RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
721 |
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if (itVoice) itVoice->UpdatePortamentoPos(itNoteOffEventOnKeyList); |
722 |
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} |
723 |
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// create a pseudo note on event |
724 |
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RTList<Event>::Iterator itPseudoNoteOnEvent = pOtherKey->pEvents->allocAppend(); |
725 |
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if (itPseudoNoteOnEvent) { |
726 |
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// copy event |
727 |
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*itPseudoNoteOnEvent = *itNoteOffEventOnKeyList; |
728 |
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// transform event to a note on event |
729 |
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itPseudoNoteOnEvent->Type = Event::type_note_on; |
730 |
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itPseudoNoteOnEvent->Param.Note.Key = i; |
731 |
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itPseudoNoteOnEvent->Param.Note.Velocity = pOtherKey->Velocity; |
732 |
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// allocate and trigger new voice(s) for the other key |
733 |
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{ |
734 |
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// first, get total amount of required voices (dependant on amount of layers) |
735 |
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::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(i); |
736 |
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if (pRegion) { |
737 |
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int voicesRequired = pRegion->Layers; |
738 |
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// now launch the required amount of voices |
739 |
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for (int iLayer = 0; iLayer < voicesRequired; iLayer++) |
740 |
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LaunchVoice(pEngineChannel, itPseudoNoteOnEvent, iLayer, false, true, false); |
741 |
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} |
742 |
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} |
743 |
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// if neither a voice was spawned or postponed then remove note on event from key again |
744 |
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if (!pOtherKey->Active && !pOtherKey->VoiceTheftsQueued) |
745 |
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pOtherKey->pEvents->free(itPseudoNoteOnEvent); |
746 |
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747 |
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} else dmsg(1,("Could not respawn voice, no free event left\n")); |
748 |
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break; // done |
749 |
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} |
750 |
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} |
751 |
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} |
752 |
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if (bOtherKeysPressed) { |
753 |
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if (pKey->Active) { // kill all voices on this key |
754 |
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bShouldRelease = false; // no need to release, as we kill it here |
755 |
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RTList<Voice>::Iterator itVoiceToBeKilled = pKey->pActiveVoices->first(); |
756 |
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RTList<Voice>::Iterator end = pKey->pActiveVoices->end(); |
757 |
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for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
758 |
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if (itVoiceToBeKilled->Type != Voice::type_release_trigger) |
759 |
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itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList); |
760 |
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} |
761 |
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} |
762 |
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} else pEngineChannel->PortamentoPos = -1.0f; |
763 |
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} |
764 |
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765 |
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// if no solo mode (the usual case) or if solo mode and no other key pressed, then release voices on this key if needed |
766 |
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if (bShouldRelease) { |
767 |
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itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type |
768 |
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769 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
770 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
782 |
} |
} |
783 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
784 |
} |
} |
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// if neither a voice was spawned or postponed then remove note off event from key again |
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if (!pKey->Active && !pKey->VoiceTheftsQueued) |
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pKey->pEvents->free(itNoteOffEventOnKeyList); |
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785 |
} |
} |
786 |
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787 |
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// if neither a voice was spawned or postponed on this key then remove note off event from key again |
788 |
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if (!pKey->Active && !pKey->VoiceTheftsQueued) |
789 |
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pKey->pEvents->free(itNoteOffEventOnKeyList); |
790 |
} |
} |
791 |
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792 |
/** |
/** |
793 |
* Moves pitchbend event from the general (input) event list to the pitch |
* Moves pitchbend event from the general (input) event list to the engine |
794 |
* event list. |
* channel's event list. It will actually processed later by the |
795 |
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* respective voice. |
796 |
* |
* |
797 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
798 |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
799 |
*/ |
*/ |
800 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
801 |
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]); |
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802 |
} |
} |
803 |
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804 |
/** |
/** |
1235 |
// update controller value in the engine channel's controller table |
// update controller value in the engine channel's controller table |
1236 |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
1237 |
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1238 |
// move event from the unsorted event list to the control change event list |
switch (itControlChangeEvent->Param.CC.Controller) { |
1239 |
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents); |
case 5: { // portamento time |
1240 |
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pEngineChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN; |
1241 |
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
break; |
1242 |
|
} |
1243 |
case 7: { // volume |
case 7: { // volume |
1244 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1245 |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
pEngineChannel->GlobalVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value] * CONFIG_GLOBAL_ATTENUATION; |
1246 |
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
1247 |
break; |
break; |
1248 |
} |
} |
1249 |
case 10: { // panpot |
case 10: { // panpot |
1250 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1251 |
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
pEngineChannel->GlobalPanLeft = PanCurve[128 - itControlChangeEvent->Param.CC.Value]; |
1252 |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
pEngineChannel->GlobalPanRight = PanCurve[itControlChangeEvent->Param.CC.Value]; |
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pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
|
1253 |
break; |
break; |
1254 |
} |
} |
1255 |
case 64: { // sustain |
case 64: { // sustain |
1256 |
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
1257 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("DAMPER (RIGHT) PEDAL DOWN\n")); |
1258 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
1259 |
|
|
1260 |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1268 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
1269 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1270 |
if (itNewEvent) { |
if (itNewEvent) { |
1271 |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1272 |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
1273 |
} |
} |
1274 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
1275 |
} |
} |
1276 |
} |
} |
1277 |
} |
} |
1278 |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
1279 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("DAMPER (RIGHT) PEDAL UP\n")); |
1280 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
1281 |
|
|
1282 |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1287 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1288 |
for (; iuiKey; ++iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1289 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1290 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed && ShouldReleaseVoice(pEngineChannel, *iuiKey)) { |
1291 |
|
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1292 |
|
if (itNewEvent) { |
1293 |
|
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1294 |
|
itNewEvent->Type = Event::type_release; // transform event type |
1295 |
|
} |
1296 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1297 |
|
} |
1298 |
|
} |
1299 |
|
} |
1300 |
|
break; |
1301 |
|
} |
1302 |
|
case 65: { // portamento on / off |
1303 |
|
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1304 |
|
pEngineChannel->PortamentoMode = itControlChangeEvent->Param.CC.Value >= 64; |
1305 |
|
break; |
1306 |
|
} |
1307 |
|
case 66: { // sostenuto |
1308 |
|
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SostenutoPedal) { |
1309 |
|
dmsg(4,("SOSTENUTO (CENTER) PEDAL DOWN\n")); |
1310 |
|
pEngineChannel->SostenutoPedal = true; |
1311 |
|
|
1312 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1313 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1314 |
|
#endif |
1315 |
|
|
1316 |
|
SostenutoKeyCount = 0; |
1317 |
|
// Remeber the pressed keys |
1318 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1319 |
|
for (; iuiKey; ++iuiKey) { |
1320 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1321 |
|
if (pKey->KeyPressed && SostenutoKeyCount < 128) SostenutoKeys[SostenutoKeyCount++] = *iuiKey; |
1322 |
|
} |
1323 |
|
} |
1324 |
|
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SostenutoPedal) { |
1325 |
|
dmsg(4,("SOSTENUTO (CENTER) PEDAL UP\n")); |
1326 |
|
pEngineChannel->SostenutoPedal = false; |
1327 |
|
|
1328 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1329 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1330 |
|
#endif |
1331 |
|
|
1332 |
|
// release voices if the damper pedal is up and their respective key is not pressed |
1333 |
|
for (int i = 0; i < SostenutoKeyCount; i++) { |
1334 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[SostenutoKeys[i]]; |
1335 |
|
if (!pKey->KeyPressed && !pEngineChannel->SustainPedal) { |
1336 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1337 |
if (itNewEvent) { |
if (itNewEvent) { |
1338 |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1339 |
itNewEvent->Type = Event::type_release; // transform event type |
itNewEvent->Type = Event::type_release; // transform event type |
1340 |
} |
} |
1341 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
1349 |
// Channel Mode Messages |
// Channel Mode Messages |
1350 |
|
|
1351 |
case 120: { // all sound off |
case 120: { // all sound off |
1352 |
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1353 |
break; |
break; |
1354 |
} |
} |
1355 |
case 121: { // reset all controllers |
case 121: { // reset all controllers |
1357 |
break; |
break; |
1358 |
} |
} |
1359 |
case 123: { // all notes off |
case 123: { // all notes off |
1360 |
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
#if CONFIG_PROCESS_ALL_NOTES_OFF |
1361 |
|
ReleaseAllVoices(pEngineChannel, itControlChangeEvent); |
1362 |
|
#endif // CONFIG_PROCESS_ALL_NOTES_OFF |
1363 |
|
break; |
1364 |
|
} |
1365 |
|
case 126: { // mono mode on |
1366 |
|
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1367 |
|
pEngineChannel->SoloMode = true; |
1368 |
|
break; |
1369 |
|
} |
1370 |
|
case 127: { // poly mode on |
1371 |
|
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1372 |
|
pEngineChannel->SoloMode = false; |
1373 |
break; |
break; |
1374 |
} |
} |
1375 |
} |
} |
1513 |
} |
} |
1514 |
|
|
1515 |
/** |
/** |
1516 |
* Initialize the parameter sequence for the modulation destination given by |
* Determines whether the specified voice should be released. |
1517 |
* by 'dst' with the constant value given by val. |
* |
1518 |
*/ |
* @param pEngineChannel - The engine channel on which the voice should be checked |
1519 |
void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) { |
* @param Key - The key number |
1520 |
int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle(); |
* @returns true if the specified should be released, false otherwise. |
1521 |
float* m = &pSynthesisParameters[dst][0]; |
*/ |
1522 |
for (int i = 0; i < maxsamples; i += 4) { |
bool Engine::ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key) { |
1523 |
m[i] = val; |
if (pEngineChannel->SustainPedal) return false; |
1524 |
m[i+1] = val; |
|
1525 |
m[i+2] = val; |
if (pEngineChannel->SostenutoPedal) { |
1526 |
m[i+3] = val; |
for (int i = 0; i < SostenutoKeyCount; i++) |
1527 |
|
if (Key == SostenutoKeys[i]) return false; |
1528 |
} |
} |
1529 |
|
|
1530 |
|
return true; |
1531 |
} |
} |
1532 |
|
|
1533 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
1567 |
} |
} |
1568 |
|
|
1569 |
String Engine::Version() { |
String Engine::Version() { |
1570 |
String s = "$Revision: 1.51 $"; |
String s = "$Revision: 1.61 $"; |
1571 |
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 |
1572 |
} |
} |
1573 |
|
|
1574 |
|
// static constant initializers |
1575 |
|
const float* Engine::VolumeCurve(InitVolumeCurve()); |
1576 |
|
const float* Engine::PanCurve(InitPanCurve()); |
1577 |
|
const float* Engine::CrossfadeCurve(InitCrossfadeCurve()); |
1578 |
|
|
1579 |
|
float* Engine::InitVolumeCurve() { |
1580 |
|
// line-segment approximation |
1581 |
|
const float segments[] = { |
1582 |
|
0, 0, 2, 0.0046, 16, 0.016, 31, 0.051, 45, 0.115, 54.5, 0.2, |
1583 |
|
64.5, 0.39, 74, 0.74, 92, 1.03, 114, 1.94, 119.2, 2.2, 127, 2.2 |
1584 |
|
}; |
1585 |
|
return InitCurve(segments); |
1586 |
|
} |
1587 |
|
|
1588 |
|
float* Engine::InitPanCurve() { |
1589 |
|
// line-segment approximation |
1590 |
|
const float segments[] = { |
1591 |
|
0, 0, 1, 0, |
1592 |
|
2, 0.05, 31.5, 0.7, 51, 0.851, 74.5, 1.12, |
1593 |
|
127, 1.41, 128, 1.41 |
1594 |
|
}; |
1595 |
|
return InitCurve(segments, 129); |
1596 |
|
} |
1597 |
|
|
1598 |
|
float* Engine::InitCrossfadeCurve() { |
1599 |
|
// line-segment approximation |
1600 |
|
const float segments[] = { |
1601 |
|
0, 0, 1, 0.03, 10, 0.1, 51, 0.58, 127, 1 |
1602 |
|
}; |
1603 |
|
return InitCurve(segments); |
1604 |
|
} |
1605 |
|
|
1606 |
|
float* Engine::InitCurve(const float* segments, int size) { |
1607 |
|
float* y = new float[size]; |
1608 |
|
for (int x = 0 ; x < size ; x++) { |
1609 |
|
if (x > segments[2]) segments += 2; |
1610 |
|
y[x] = segments[1] + (x - segments[0]) * |
1611 |
|
(segments[3] - segments[1]) / (segments[2] - segments[0]); |
1612 |
|
} |
1613 |
|
return y; |
1614 |
|
} |
1615 |
|
|
1616 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |