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* * |
* * |
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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) 2005-2007 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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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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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>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t,false>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
101 |
pEventQueue = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
102 |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
103 |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
pVoicePool = new Pool<Voice>(CONFIG_MAX_VOICES); |
104 |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
108 |
} |
} |
109 |
pVoicePool->clear(); |
pVoicePool->clear(); |
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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; |
134 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
135 |
EngineFactory::Destroy(this); |
Unregister(); |
136 |
} |
} |
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138 |
void Engine::Enable() { |
void Engine::Enable() { |
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() { |
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ResetInternalMutex.Lock(); |
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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); |
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ResetInternalMutex.Unlock(); |
202 |
} |
} |
203 |
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204 |
/** |
/** |
228 |
} |
} |
229 |
catch (AudioOutputException e) { |
catch (AudioOutputException e) { |
230 |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
231 |
throw LinuxSamplerException(msg); |
throw Exception(msg); |
232 |
} |
} |
233 |
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234 |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
236 |
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237 |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
238 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * CONFIG_EG_MIN_RELEASE_TIME) - 1; |
239 |
if (MaxFadeOutPos < 0) |
if (MaxFadeOutPos < 0) { |
240 |
throw LinuxSamplerException("CONFIG_EG_MIN_RELEASE_TIME too big for current audio fragment size / sampling rate!"); |
std::cerr << "gig::Engine: WARNING, CONFIG_EG_MIN_RELEASE_TIME " |
241 |
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<< "too big for current audio fragment size & sampling rate! " |
242 |
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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 |
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MaxFadeOutPos = 0; |
245 |
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// lower minimum release time |
246 |
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const float minReleaseTime = (float) MaxSamplesPerCycle / (float) SampleRate; |
247 |
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for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
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iterVoice->EG1.CalculateFadeOutCoeff(minReleaseTime, SampleRate); |
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} |
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pVoicePool->clear(); |
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} |
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// (re)create disk thread |
// (re)create disk thread |
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if (this->pDiskThread) { |
if (this->pDiskThread) { |
273 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
274 |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
pEventGenerator = new EventGenerator(pAudioOut->SampleRate()); |
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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")); |
306 |
* current audio cycle |
* current audio cycle |
307 |
*/ |
*/ |
308 |
void Engine::ImportEvents(uint Samples) { |
void Engine::ImportEvents(uint Samples) { |
309 |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
RingBuffer<Event,false>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
310 |
Event* pEvent; |
Event* pEvent; |
311 |
while (true) { |
while (true) { |
312 |
// get next event from input event queue |
// get next event from input event queue |
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} |
} |
330 |
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331 |
/** |
/** |
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* Let this engine proceed to render the given amount of sample points. The |
* Let this engine proceed to render the given amount of sample points. |
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* calculated audio data of all voices of this engine will be placed into |
* The engine will iterate through all engine channels and render audio |
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* the engine's audio sum buffer which has to be copied and eventually be |
* for each engine channel independently. The calculated audio data of |
335 |
* converted to the appropriate value range by the audio output class (e.g. |
* all voices of each engine channel will be placed into the audio sum |
336 |
* AlsaIO or JackIO) right after. |
* buffers of the respective audio output device, connected to the |
337 |
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* respective engine channel. |
338 |
* |
* |
339 |
* @param Samples - number of sample points to be rendered |
* @param Samples - number of sample points to be rendered |
340 |
* @returns 0 on success |
* @returns 0 on success |
341 |
*/ |
*/ |
342 |
int Engine::RenderAudio(uint Samples) { |
int Engine::RenderAudio(uint Samples) { |
343 |
dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
dmsg(7,("RenderAudio(Samples=%d)\n", Samples)); |
344 |
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345 |
// return if engine disabled |
// return if engine disabled |
346 |
if (EngineDisabled.Pop()) { |
if (EngineDisabled.Pop()) { |
392 |
// now that all ordinary voices on ALL engine channels are rendered, render new stolen voices |
// now that all ordinary voices on ALL engine channels are rendered, render new stolen voices |
393 |
RenderStolenVoices(Samples); |
RenderStolenVoices(Samples); |
394 |
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395 |
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// handle audio routing for engine channels with FX sends |
396 |
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for (int i = 0; i < engineChannels.size(); i++) { |
397 |
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if (engineChannels[i]->fxSends.empty()) continue; // ignore if no FX sends |
398 |
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RouteAudio(engineChannels[i], Samples); |
399 |
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} |
400 |
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401 |
// handle cleanup on all engine channels for the next audio fragment |
// handle cleanup on all engine channels for the next audio fragment |
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for (int i = 0; i < engineChannels.size(); i++) { |
for (int i = 0; i < engineChannels.size(); i++) { |
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if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
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* this audio fragment cycle |
* this audio fragment cycle |
479 |
*/ |
*/ |
480 |
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
481 |
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#if !CONFIG_PROCESS_MUTED_CHANNELS |
482 |
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if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
483 |
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#endif |
484 |
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485 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
486 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
487 |
while (iuiKey != end) { // iterate through all active keys |
while (iuiKey != end) { // iterate through all active keys |
538 |
} |
} |
539 |
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540 |
/** |
/** |
541 |
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* Will be called in case the respective engine channel sports FX send |
542 |
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* channels. In this particular case, engine channel local buffers are |
543 |
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* used to render and mix all voices to. This method is responsible for |
544 |
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* copying the audio data from those local buffers to the master audio |
545 |
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* output channels as well as to the FX send audio output channels with |
546 |
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* their respective FX send levels. |
547 |
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* |
548 |
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* @param pEngineChannel - engine channel from which audio should be |
549 |
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* routed |
550 |
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* @param Samples - amount of sample points to be routed in |
551 |
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* this audio fragment cycle |
552 |
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*/ |
553 |
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void Engine::RouteAudio(EngineChannel* pEngineChannel, uint Samples) { |
554 |
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// route master signal |
555 |
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{ |
556 |
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AudioChannel* pDstL = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelLeft); |
557 |
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AudioChannel* pDstR = pAudioOutputDevice->Channel(pEngineChannel->AudioDeviceChannelRight); |
558 |
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pEngineChannel->pChannelLeft->CopyTo(pDstL, Samples); |
559 |
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pEngineChannel->pChannelRight->CopyTo(pDstR, Samples); |
560 |
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} |
561 |
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// route FX send signal |
562 |
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{ |
563 |
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for (int iFxSend = 0; iFxSend < pEngineChannel->GetFxSendCount(); iFxSend++) { |
564 |
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FxSend* pFxSend = pEngineChannel->GetFxSend(iFxSend); |
565 |
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// left channel |
566 |
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const int iDstL = pFxSend->DestinationChannel(0); |
567 |
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if (iDstL < 0) { |
568 |
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dmsg(1,("Engine::RouteAudio() Error: invalid FX send (L) destination channel")); |
569 |
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} else { |
570 |
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AudioChannel* pDstL = pAudioOutputDevice->Channel(iDstL); |
571 |
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if (!pDstL) { |
572 |
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dmsg(1,("Engine::RouteAudio() Error: invalid FX send (L) destination channel")); |
573 |
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} else pEngineChannel->pChannelLeft->CopyTo(pDstL, Samples, pFxSend->Level()); |
574 |
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} |
575 |
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// right channel |
576 |
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const int iDstR = pFxSend->DestinationChannel(1); |
577 |
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if (iDstR < 0) { |
578 |
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dmsg(1,("Engine::RouteAudio() Error: invalid FX send (R) destination channel")); |
579 |
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} else { |
580 |
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AudioChannel* pDstR = pAudioOutputDevice->Channel(iDstR); |
581 |
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if (!pDstR) { |
582 |
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dmsg(1,("Engine::RouteAudio() Error: invalid FX send (R) destination channel")); |
583 |
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} else pEngineChannel->pChannelRight->CopyTo(pDstR, Samples, pFxSend->Level()); |
584 |
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} |
585 |
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} |
586 |
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} |
587 |
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// reset buffers with silence (zero out) for the next audio cycle |
588 |
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pEngineChannel->pChannelLeft->Clear(); |
589 |
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pEngineChannel->pChannelRight->Clear(); |
590 |
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} |
591 |
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592 |
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/** |
593 |
* Free all keys which have turned inactive in this audio fragment, from |
* Free all keys which have turned inactive in this audio fragment, from |
594 |
* the list of active keys and clear all event lists on that engine |
* the list of active keys and clear all event lists on that engine |
595 |
* channel. |
* channel. |
662 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
663 |
*/ |
*/ |
664 |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
665 |
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#if !CONFIG_PROCESS_MUTED_CHANNELS |
666 |
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if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
667 |
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#endif |
668 |
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669 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
670 |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
671 |
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672 |
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// move note on event to the key's own event list |
673 |
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RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
674 |
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675 |
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// if Solo Mode then kill all already active voices |
676 |
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if (pEngineChannel->SoloMode) { |
677 |
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Pool<uint>::Iterator itYoungestKey = pEngineChannel->pActiveKeys->last(); |
678 |
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if (itYoungestKey) { |
679 |
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const int iYoungestKey = *itYoungestKey; |
680 |
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const midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[iYoungestKey]; |
681 |
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if (pOtherKey->Active) { |
682 |
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// get final portamento position of currently active voice |
683 |
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if (pEngineChannel->PortamentoMode) { |
684 |
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RTList<Voice>::Iterator itVoice = pOtherKey->pActiveVoices->last(); |
685 |
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if (itVoice) itVoice->UpdatePortamentoPos(itNoteOnEventOnKeyList); |
686 |
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} |
687 |
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// kill all voices on the (other) key |
688 |
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RTList<Voice>::Iterator itVoiceToBeKilled = pOtherKey->pActiveVoices->first(); |
689 |
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RTList<Voice>::Iterator end = pOtherKey->pActiveVoices->end(); |
690 |
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for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
691 |
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if (itVoiceToBeKilled->Type != Voice::type_release_trigger) |
692 |
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itVoiceToBeKilled->Kill(itNoteOnEventOnKeyList); |
693 |
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} |
694 |
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} |
695 |
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} |
696 |
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// set this key as 'currently active solo key' |
697 |
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pEngineChannel->SoloKey = key; |
698 |
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} |
699 |
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|
700 |
// Change key dimension value if key is in keyswitching area |
// Change key dimension value if key is in keyswitching area |
701 |
{ |
{ |
702 |
const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument; |
const ::gig::Instrument* pInstrument = pEngineChannel->pInstrument; |
703 |
if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high) |
if (key >= pInstrument->DimensionKeyRange.low && key <= pInstrument->DimensionKeyRange.high) |
704 |
pEngineChannel->CurrentKeyDimension = ((key - pInstrument->DimensionKeyRange.low) * 128) / |
pEngineChannel->CurrentKeyDimension = float(key - pInstrument->DimensionKeyRange.low) / |
705 |
(pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1); |
(pInstrument->DimensionKeyRange.high - pInstrument->DimensionKeyRange.low + 1); |
706 |
} |
} |
707 |
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midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[key]; |
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708 |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
pKey->KeyPressed = true; // the MIDI key was now pressed down |
709 |
pKey->Velocity = itNoteOnEvent->Param.Note.Velocity; |
pKey->Velocity = itNoteOnEventOnKeyList->Param.Note.Velocity; |
710 |
pKey->NoteOnTime = FrameTime + itNoteOnEvent->FragmentPos(); // will be used to calculate note length |
pKey->NoteOnTime = FrameTime + itNoteOnEventOnKeyList->FragmentPos(); // will be used to calculate note length |
711 |
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|
712 |
// cancel release process of voices on this key if needed |
// cancel release process of voices on this key if needed |
713 |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
if (pKey->Active && !pEngineChannel->SustainPedal) { |
714 |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itCancelReleaseEvent = pKey->pEvents->allocAppend(); |
715 |
if (itCancelReleaseEvent) { |
if (itCancelReleaseEvent) { |
716 |
*itCancelReleaseEvent = *itNoteOnEvent; // copy event |
*itCancelReleaseEvent = *itNoteOnEventOnKeyList; // copy event |
717 |
itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
itCancelReleaseEvent->Type = Event::type_cancel_release; // transform event type |
718 |
} |
} |
719 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
720 |
} |
} |
721 |
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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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|
722 |
// allocate and trigger new voice(s) for the key |
// allocate and trigger new voice(s) for the key |
723 |
{ |
{ |
724 |
// first, get total amount of required voices (dependant on amount of layers) |
// first, get total amount of required voices (dependant on amount of layers) |
735 |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
736 |
pKey->pEvents->free(itNoteOnEventOnKeyList); |
pKey->pEvents->free(itNoteOnEventOnKeyList); |
737 |
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738 |
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if (!pEngineChannel->SoloMode || pEngineChannel->PortamentoPos < 0.0f) pEngineChannel->PortamentoPos = (float) key; |
739 |
pKey->RoundRobinIndex++; |
pKey->RoundRobinIndex++; |
740 |
} |
} |
741 |
|
|
749 |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
* @param itNoteOffEvent - key, velocity and time stamp of the event |
750 |
*/ |
*/ |
751 |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
void Engine::ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) { |
752 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
#if !CONFIG_PROCESS_MUTED_CHANNELS |
753 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
754 |
|
#endif |
755 |
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|
756 |
|
const int iKey = itNoteOffEvent->Param.Note.Key; |
757 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[iKey]; |
758 |
pKey->KeyPressed = false; // the MIDI key was now released |
pKey->KeyPressed = false; // the MIDI key was now released |
759 |
|
|
760 |
// release voices on this key if needed |
// move event to the key's own event list |
761 |
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 |
|
762 |
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|
763 |
// move event to the key's own event list |
bool bShouldRelease = pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEventOnKeyList->Param.Note.Key); |
764 |
RTList<Event>::Iterator itNoteOffEventOnKeyList = itNoteOffEvent.moveToEndOf(pKey->pEvents); |
|
765 |
|
// in case Solo Mode is enabled, kill all voices on this key and respawn a voice on the highest pressed key (if any) |
766 |
|
if (pEngineChannel->SoloMode) { //TODO: this feels like too much code just for handling solo mode :P |
767 |
|
bool bOtherKeysPressed = false; |
768 |
|
if (iKey == pEngineChannel->SoloKey) { |
769 |
|
pEngineChannel->SoloKey = -1; |
770 |
|
// if there's still a key pressed down, respawn a voice (group) on the highest key |
771 |
|
for (int i = 127; i > 0; i--) { |
772 |
|
midi_key_info_t* pOtherKey = &pEngineChannel->pMIDIKeyInfo[i]; |
773 |
|
if (pOtherKey->KeyPressed) { |
774 |
|
bOtherKeysPressed = true; |
775 |
|
// make the other key the new 'currently active solo key' |
776 |
|
pEngineChannel->SoloKey = i; |
777 |
|
// get final portamento position of currently active voice |
778 |
|
if (pEngineChannel->PortamentoMode) { |
779 |
|
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
780 |
|
if (itVoice) itVoice->UpdatePortamentoPos(itNoteOffEventOnKeyList); |
781 |
|
} |
782 |
|
// create a pseudo note on event |
783 |
|
RTList<Event>::Iterator itPseudoNoteOnEvent = pOtherKey->pEvents->allocAppend(); |
784 |
|
if (itPseudoNoteOnEvent) { |
785 |
|
// copy event |
786 |
|
*itPseudoNoteOnEvent = *itNoteOffEventOnKeyList; |
787 |
|
// transform event to a note on event |
788 |
|
itPseudoNoteOnEvent->Type = Event::type_note_on; |
789 |
|
itPseudoNoteOnEvent->Param.Note.Key = i; |
790 |
|
itPseudoNoteOnEvent->Param.Note.Velocity = pOtherKey->Velocity; |
791 |
|
// allocate and trigger new voice(s) for the other key |
792 |
|
{ |
793 |
|
// first, get total amount of required voices (dependant on amount of layers) |
794 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(i); |
795 |
|
if (pRegion) { |
796 |
|
int voicesRequired = pRegion->Layers; |
797 |
|
// now launch the required amount of voices |
798 |
|
for (int iLayer = 0; iLayer < voicesRequired; iLayer++) |
799 |
|
LaunchVoice(pEngineChannel, itPseudoNoteOnEvent, iLayer, false, true, false); |
800 |
|
} |
801 |
|
} |
802 |
|
// if neither a voice was spawned or postponed then remove note on event from key again |
803 |
|
if (!pOtherKey->Active && !pOtherKey->VoiceTheftsQueued) |
804 |
|
pOtherKey->pEvents->free(itPseudoNoteOnEvent); |
805 |
|
|
806 |
|
} else dmsg(1,("Could not respawn voice, no free event left\n")); |
807 |
|
break; // done |
808 |
|
} |
809 |
|
} |
810 |
|
} |
811 |
|
if (bOtherKeysPressed) { |
812 |
|
if (pKey->Active) { // kill all voices on this key |
813 |
|
bShouldRelease = false; // no need to release, as we kill it here |
814 |
|
RTList<Voice>::Iterator itVoiceToBeKilled = pKey->pActiveVoices->first(); |
815 |
|
RTList<Voice>::Iterator end = pKey->pActiveVoices->end(); |
816 |
|
for (; itVoiceToBeKilled != end; ++itVoiceToBeKilled) { |
817 |
|
if (itVoiceToBeKilled->Type != Voice::type_release_trigger) |
818 |
|
itVoiceToBeKilled->Kill(itNoteOffEventOnKeyList); |
819 |
|
} |
820 |
|
} |
821 |
|
} else pEngineChannel->PortamentoPos = -1.0f; |
822 |
|
} |
823 |
|
|
824 |
|
// if no solo mode (the usual case) or if solo mode and no other key pressed, then release voices on this key if needed |
825 |
|
if (bShouldRelease) { |
826 |
|
itNoteOffEventOnKeyList->Type = Event::type_release; // transform event type |
827 |
|
|
828 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
829 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
841 |
} |
} |
842 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
843 |
} |
} |
|
|
|
|
// if neither a voice was spawned or postponed then remove note off event from key again |
|
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
|
|
pKey->pEvents->free(itNoteOffEventOnKeyList); |
|
844 |
} |
} |
845 |
|
|
846 |
|
// if neither a voice was spawned or postponed on this key then remove note off event from key again |
847 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
848 |
|
pKey->pEvents->free(itNoteOffEventOnKeyList); |
849 |
} |
} |
850 |
|
|
851 |
/** |
/** |
852 |
* Moves pitchbend event from the general (input) event list to the pitch |
* Moves pitchbend event from the general (input) event list to the engine |
853 |
* event list. |
* channel's event list. It will actually processed later by the |
854 |
|
* respective voice. |
855 |
* |
* |
856 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
857 |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
858 |
*/ |
*/ |
859 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
860 |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
|
itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]); |
|
861 |
} |
} |
862 |
|
|
863 |
/** |
/** |
881 |
* defined for the given key). |
* defined for the given key). |
882 |
*/ |
*/ |
883 |
Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts) { |
Pool<Voice>::Iterator Engine::LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts) { |
884 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
int MIDIKey = itNoteOnEvent->Param.Note.Key; |
885 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[MIDIKey]; |
886 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(MIDIKey); |
887 |
|
|
888 |
// if nothing defined for this key |
// if nothing defined for this key |
889 |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
890 |
|
|
891 |
|
// only mark the first voice of a layered voice (group) to be in a |
892 |
|
// key group, so the layered voices won't kill each other |
893 |
|
int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
894 |
|
|
895 |
// handle key group (a.k.a. exclusive group) conflicts |
// handle key group (a.k.a. exclusive group) conflicts |
896 |
if (HandleKeyGroupConflicts) { |
if (HandleKeyGroupConflicts) { |
|
// only mark the first voice of a layered voice (group) to be in a |
|
|
// key group, so the layered voices won't kill each other |
|
|
int iKeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
|
897 |
if (iKeyGroup) { // if this voice / key belongs to a key group |
if (iKeyGroup) { // if this voice / key belongs to a key group |
898 |
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup]; |
uint** ppKeyGroup = &pEngineChannel->ActiveKeyGroups[iKeyGroup]; |
899 |
if (*ppKeyGroup) { // if there's already an active key in that key group |
if (*ppKeyGroup) { // if there's already an active key in that key group |
911 |
} |
} |
912 |
} |
} |
913 |
|
|
914 |
|
Voice::type_t VoiceType = Voice::type_normal; |
915 |
|
|
916 |
|
// get current dimension values to select the right dimension region |
917 |
|
//TODO: for stolen voices this dimension region selection block is processed twice, this should be changed |
918 |
|
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
919 |
|
uint DimValues[8] = { 0 }; |
920 |
|
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
921 |
|
switch (pRegion->pDimensionDefinitions[i].dimension) { |
922 |
|
case ::gig::dimension_samplechannel: |
923 |
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
924 |
|
break; |
925 |
|
case ::gig::dimension_layer: |
926 |
|
DimValues[i] = iLayer; |
927 |
|
break; |
928 |
|
case ::gig::dimension_velocity: |
929 |
|
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
930 |
|
break; |
931 |
|
case ::gig::dimension_channelaftertouch: |
932 |
|
DimValues[i] = pEngineChannel->ControllerTable[128]; |
933 |
|
break; |
934 |
|
case ::gig::dimension_releasetrigger: |
935 |
|
VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal; |
936 |
|
DimValues[i] = (uint) ReleaseTriggerVoice; |
937 |
|
break; |
938 |
|
case ::gig::dimension_keyboard: |
939 |
|
DimValues[i] = (uint) (pEngineChannel->CurrentKeyDimension * pRegion->pDimensionDefinitions[i].zones); |
940 |
|
break; |
941 |
|
case ::gig::dimension_roundrobin: |
942 |
|
DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
943 |
|
break; |
944 |
|
case ::gig::dimension_random: |
945 |
|
RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
946 |
|
DimValues[i] = (uint) RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
947 |
|
break; |
948 |
|
case ::gig::dimension_modwheel: |
949 |
|
DimValues[i] = pEngineChannel->ControllerTable[1]; |
950 |
|
break; |
951 |
|
case ::gig::dimension_breath: |
952 |
|
DimValues[i] = pEngineChannel->ControllerTable[2]; |
953 |
|
break; |
954 |
|
case ::gig::dimension_foot: |
955 |
|
DimValues[i] = pEngineChannel->ControllerTable[4]; |
956 |
|
break; |
957 |
|
case ::gig::dimension_portamentotime: |
958 |
|
DimValues[i] = pEngineChannel->ControllerTable[5]; |
959 |
|
break; |
960 |
|
case ::gig::dimension_effect1: |
961 |
|
DimValues[i] = pEngineChannel->ControllerTable[12]; |
962 |
|
break; |
963 |
|
case ::gig::dimension_effect2: |
964 |
|
DimValues[i] = pEngineChannel->ControllerTable[13]; |
965 |
|
break; |
966 |
|
case ::gig::dimension_genpurpose1: |
967 |
|
DimValues[i] = pEngineChannel->ControllerTable[16]; |
968 |
|
break; |
969 |
|
case ::gig::dimension_genpurpose2: |
970 |
|
DimValues[i] = pEngineChannel->ControllerTable[17]; |
971 |
|
break; |
972 |
|
case ::gig::dimension_genpurpose3: |
973 |
|
DimValues[i] = pEngineChannel->ControllerTable[18]; |
974 |
|
break; |
975 |
|
case ::gig::dimension_genpurpose4: |
976 |
|
DimValues[i] = pEngineChannel->ControllerTable[19]; |
977 |
|
break; |
978 |
|
case ::gig::dimension_sustainpedal: |
979 |
|
DimValues[i] = pEngineChannel->ControllerTable[64]; |
980 |
|
break; |
981 |
|
case ::gig::dimension_portamento: |
982 |
|
DimValues[i] = pEngineChannel->ControllerTable[65]; |
983 |
|
break; |
984 |
|
case ::gig::dimension_sostenutopedal: |
985 |
|
DimValues[i] = pEngineChannel->ControllerTable[66]; |
986 |
|
break; |
987 |
|
case ::gig::dimension_softpedal: |
988 |
|
DimValues[i] = pEngineChannel->ControllerTable[67]; |
989 |
|
break; |
990 |
|
case ::gig::dimension_genpurpose5: |
991 |
|
DimValues[i] = pEngineChannel->ControllerTable[80]; |
992 |
|
break; |
993 |
|
case ::gig::dimension_genpurpose6: |
994 |
|
DimValues[i] = pEngineChannel->ControllerTable[81]; |
995 |
|
break; |
996 |
|
case ::gig::dimension_genpurpose7: |
997 |
|
DimValues[i] = pEngineChannel->ControllerTable[82]; |
998 |
|
break; |
999 |
|
case ::gig::dimension_genpurpose8: |
1000 |
|
DimValues[i] = pEngineChannel->ControllerTable[83]; |
1001 |
|
break; |
1002 |
|
case ::gig::dimension_effect1depth: |
1003 |
|
DimValues[i] = pEngineChannel->ControllerTable[91]; |
1004 |
|
break; |
1005 |
|
case ::gig::dimension_effect2depth: |
1006 |
|
DimValues[i] = pEngineChannel->ControllerTable[92]; |
1007 |
|
break; |
1008 |
|
case ::gig::dimension_effect3depth: |
1009 |
|
DimValues[i] = pEngineChannel->ControllerTable[93]; |
1010 |
|
break; |
1011 |
|
case ::gig::dimension_effect4depth: |
1012 |
|
DimValues[i] = pEngineChannel->ControllerTable[94]; |
1013 |
|
break; |
1014 |
|
case ::gig::dimension_effect5depth: |
1015 |
|
DimValues[i] = pEngineChannel->ControllerTable[95]; |
1016 |
|
break; |
1017 |
|
case ::gig::dimension_none: |
1018 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush; |
1019 |
|
break; |
1020 |
|
default: |
1021 |
|
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
1022 |
|
} |
1023 |
|
} |
1024 |
|
::gig::DimensionRegion* pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
1025 |
|
|
1026 |
|
// no need to continue if sample is silent |
1027 |
|
if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator(); |
1028 |
|
|
1029 |
// allocate a new voice for the key |
// allocate a new voice for the key |
1030 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
1031 |
if (itNewVoice) { |
if (itNewVoice) { |
1032 |
// launch the new voice |
// launch the new voice |
1033 |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pEngineChannel->pInstrument, iLayer, ReleaseTriggerVoice, VoiceStealing) < 0) { |
if (itNewVoice->Trigger(pEngineChannel, itNoteOnEvent, pEngineChannel->Pitch, pDimRgn, VoiceType, iKeyGroup) < 0) { |
1034 |
dmsg(4,("Voice not triggered\n")); |
dmsg(4,("Voice not triggered\n")); |
1035 |
pKey->pActiveVoices->free(itNewVoice); |
pKey->pActiveVoices->free(itNewVoice); |
1036 |
} |
} |
1294 |
// update controller value in the engine channel's controller table |
// update controller value in the engine channel's controller table |
1295 |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
1296 |
|
|
1297 |
// move event from the unsorted event list to the control change event list |
// handle hard coded MIDI controllers |
1298 |
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents); |
switch (itControlChangeEvent->Param.CC.Controller) { |
1299 |
|
case 5: { // portamento time |
1300 |
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
pEngineChannel->PortamentoTime = (float) itControlChangeEvent->Param.CC.Value / 127.0f * (float) CONFIG_PORTAMENTO_TIME_MAX + (float) CONFIG_PORTAMENTO_TIME_MIN; |
1301 |
|
break; |
1302 |
|
} |
1303 |
case 7: { // volume |
case 7: { // volume |
1304 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1305 |
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
pEngineChannel->MidiVolume = VolumeCurve[itControlChangeEvent->Param.CC.Value]; |
1306 |
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag |
1307 |
break; |
break; |
1308 |
} |
} |
1309 |
case 10: { // panpot |
case 10: { // panpot |
1310 |
//TODO: not sample accurate yet |
//TODO: not sample accurate yet |
1311 |
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
pEngineChannel->GlobalPanLeft = PanCurve[128 - itControlChangeEvent->Param.CC.Value]; |
1312 |
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
pEngineChannel->GlobalPanRight = PanCurve[itControlChangeEvent->Param.CC.Value]; |
|
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
|
1313 |
break; |
break; |
1314 |
} |
} |
1315 |
case 64: { // sustain |
case 64: { // sustain |
1316 |
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
1317 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("DAMPER (RIGHT) PEDAL DOWN\n")); |
1318 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
1319 |
|
|
1320 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1321 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1322 |
|
#endif |
1323 |
|
|
1324 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
1325 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1326 |
for (; iuiKey; ++iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1328 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed) { |
1329 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1330 |
if (itNewEvent) { |
if (itNewEvent) { |
1331 |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1332 |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
1333 |
} |
} |
1334 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
1335 |
} |
} |
1336 |
} |
} |
1337 |
} |
} |
1338 |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
1339 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("DAMPER (RIGHT) PEDAL UP\n")); |
1340 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
1341 |
|
|
1342 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1343 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1344 |
|
#endif |
1345 |
|
|
1346 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
1347 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1348 |
for (; iuiKey; ++iuiKey) { |
for (; iuiKey; ++iuiKey) { |
1349 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1350 |
if (!pKey->KeyPressed) { |
if (!pKey->KeyPressed && ShouldReleaseVoice(pEngineChannel, *iuiKey)) { |
1351 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1352 |
if (itNewEvent) { |
if (itNewEvent) { |
1353 |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1354 |
|
itNewEvent->Type = Event::type_release; // transform event type |
1355 |
|
} |
1356 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1357 |
|
} |
1358 |
|
} |
1359 |
|
} |
1360 |
|
break; |
1361 |
|
} |
1362 |
|
case 65: { // portamento on / off |
1363 |
|
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1364 |
|
pEngineChannel->PortamentoMode = itControlChangeEvent->Param.CC.Value >= 64; |
1365 |
|
break; |
1366 |
|
} |
1367 |
|
case 66: { // sostenuto |
1368 |
|
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SostenutoPedal) { |
1369 |
|
dmsg(4,("SOSTENUTO (CENTER) PEDAL DOWN\n")); |
1370 |
|
pEngineChannel->SostenutoPedal = true; |
1371 |
|
|
1372 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1373 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1374 |
|
#endif |
1375 |
|
|
1376 |
|
SostenutoKeyCount = 0; |
1377 |
|
// Remeber the pressed keys |
1378 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1379 |
|
for (; iuiKey; ++iuiKey) { |
1380 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1381 |
|
if (pKey->KeyPressed && SostenutoKeyCount < 128) SostenutoKeys[SostenutoKeyCount++] = *iuiKey; |
1382 |
|
} |
1383 |
|
} |
1384 |
|
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SostenutoPedal) { |
1385 |
|
dmsg(4,("SOSTENUTO (CENTER) PEDAL UP\n")); |
1386 |
|
pEngineChannel->SostenutoPedal = false; |
1387 |
|
|
1388 |
|
#if !CONFIG_PROCESS_MUTED_CHANNELS |
1389 |
|
if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted |
1390 |
|
#endif |
1391 |
|
|
1392 |
|
// release voices if the damper pedal is up and their respective key is not pressed |
1393 |
|
for (int i = 0; i < SostenutoKeyCount; i++) { |
1394 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[SostenutoKeys[i]]; |
1395 |
|
if (!pKey->KeyPressed && !pEngineChannel->SustainPedal) { |
1396 |
|
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1397 |
|
if (itNewEvent) { |
1398 |
|
*itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
1399 |
itNewEvent->Type = Event::type_release; // transform event type |
itNewEvent->Type = Event::type_release; // transform event type |
1400 |
} |
} |
1401 |
else dmsg(1,("Event pool emtpy!\n")); |
else dmsg(1,("Event pool emtpy!\n")); |
1409 |
// Channel Mode Messages |
// Channel Mode Messages |
1410 |
|
|
1411 |
case 120: { // all sound off |
case 120: { // all sound off |
1412 |
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1413 |
break; |
break; |
1414 |
} |
} |
1415 |
case 121: { // reset all controllers |
case 121: { // reset all controllers |
1417 |
break; |
break; |
1418 |
} |
} |
1419 |
case 123: { // all notes off |
case 123: { // all notes off |
1420 |
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
#if CONFIG_PROCESS_ALL_NOTES_OFF |
1421 |
|
ReleaseAllVoices(pEngineChannel, itControlChangeEvent); |
1422 |
|
#endif // CONFIG_PROCESS_ALL_NOTES_OFF |
1423 |
|
break; |
1424 |
|
} |
1425 |
|
case 126: { // mono mode on |
1426 |
|
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1427 |
|
pEngineChannel->SoloMode = true; |
1428 |
|
break; |
1429 |
|
} |
1430 |
|
case 127: { // poly mode on |
1431 |
|
KillAllVoices(pEngineChannel, itControlChangeEvent); |
1432 |
|
pEngineChannel->SoloMode = false; |
1433 |
break; |
break; |
1434 |
} |
} |
1435 |
} |
} |
1436 |
|
|
1437 |
|
// handle FX send controllers |
1438 |
|
if (!pEngineChannel->fxSends.empty()) { |
1439 |
|
for (int iFxSend = 0; iFxSend < pEngineChannel->GetFxSendCount(); iFxSend++) { |
1440 |
|
FxSend* pFxSend = pEngineChannel->GetFxSend(iFxSend); |
1441 |
|
if (pFxSend->MidiController() == itControlChangeEvent->Param.CC.Controller) |
1442 |
|
pFxSend->SetLevel(itControlChangeEvent->Param.CC.Value); |
1443 |
|
} |
1444 |
|
} |
1445 |
} |
} |
1446 |
|
|
1447 |
/** |
/** |
1450 |
* @param itSysexEvent - sysex data size and time stamp of the sysex event |
* @param itSysexEvent - sysex data size and time stamp of the sysex event |
1451 |
*/ |
*/ |
1452 |
void Engine::ProcessSysex(Pool<Event>::Iterator& itSysexEvent) { |
void Engine::ProcessSysex(Pool<Event>::Iterator& itSysexEvent) { |
1453 |
RingBuffer<uint8_t>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader(); |
RingBuffer<uint8_t,false>::NonVolatileReader reader = pSysexBuffer->get_non_volatile_reader(); |
1454 |
|
|
1455 |
uint8_t exclusive_status, id; |
uint8_t exclusive_status, id; |
1456 |
if (!reader.pop(&exclusive_status)) goto free_sysex_data; |
if (!reader.pop(&exclusive_status)) goto free_sysex_data; |
1469 |
|
|
1470 |
// command address |
// command address |
1471 |
uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB) |
uint8_t addr[3]; // 2 byte addr MSB, followed by 1 byte addr LSB) |
1472 |
const RingBuffer<uint8_t>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
const RingBuffer<uint8_t,false>::NonVolatileReader checksum_reader = reader; // so we can calculate the check sum later |
1473 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
1474 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
1475 |
dmsg(3,("\tSystem Parameter\n")); |
dmsg(3,("\tSystem Parameter\n")); |
1516 |
* question |
* question |
1517 |
* @param DataSize - size of the GS message data (in bytes) |
* @param DataSize - size of the GS message data (in bytes) |
1518 |
*/ |
*/ |
1519 |
uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize) { |
uint8_t Engine::GSCheckSum(const RingBuffer<uint8_t,false>::NonVolatileReader AddrReader, uint DataSize) { |
1520 |
RingBuffer<uint8_t>::NonVolatileReader reader = AddrReader; |
RingBuffer<uint8_t,false>::NonVolatileReader reader = AddrReader; |
1521 |
uint bytes = 3 /*addr*/ + DataSize; |
uint bytes = 3 /*addr*/ + DataSize; |
1522 |
uint8_t addr_and_data[bytes]; |
uint8_t addr_and_data[bytes]; |
1523 |
reader.read(&addr_and_data[0], bytes); |
reader.read(&addr_and_data[0], bytes); |
1582 |
} |
} |
1583 |
|
|
1584 |
/** |
/** |
1585 |
* Initialize the parameter sequence for the modulation destination given by |
* Determines whether the specified voice should be released. |
1586 |
* by 'dst' with the constant value given by val. |
* |
1587 |
*/ |
* @param pEngineChannel - The engine channel on which the voice should be checked |
1588 |
void Engine::ResetSynthesisParameters(Event::destination_t dst, float val) { |
* @param Key - The key number |
1589 |
int maxsamples = pAudioOutputDevice->MaxSamplesPerCycle(); |
* @returns true if the specified should be released, false otherwise. |
1590 |
float* m = &pSynthesisParameters[dst][0]; |
*/ |
1591 |
for (int i = 0; i < maxsamples; i += 4) { |
bool Engine::ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key) { |
1592 |
m[i] = val; |
if (pEngineChannel->SustainPedal) return false; |
1593 |
m[i+1] = val; |
|
1594 |
m[i+2] = val; |
if (pEngineChannel->SostenutoPedal) { |
1595 |
m[i+3] = val; |
for (int i = 0; i < SostenutoKeyCount; i++) |
1596 |
|
if (Key == SostenutoKeys[i]) return false; |
1597 |
} |
} |
1598 |
|
|
1599 |
|
return true; |
1600 |
} |
} |
1601 |
|
|
1602 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
1636 |
} |
} |
1637 |
|
|
1638 |
String Engine::Version() { |
String Engine::Version() { |
1639 |
String s = "$Revision: 1.46 $"; |
String s = "$Revision: 1.69 $"; |
1640 |
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 |
1641 |
} |
} |
1642 |
|
|
1643 |
|
InstrumentManager* Engine::GetInstrumentManager() { |
1644 |
|
return &instruments; |
1645 |
|
} |
1646 |
|
|
1647 |
|
// static constant initializers |
1648 |
|
const float* Engine::VolumeCurve(InitVolumeCurve()); |
1649 |
|
const float* Engine::PanCurve(InitPanCurve()); |
1650 |
|
const float* Engine::CrossfadeCurve(InitCrossfadeCurve()); |
1651 |
|
|
1652 |
|
float* Engine::InitVolumeCurve() { |
1653 |
|
// line-segment approximation |
1654 |
|
const float segments[] = { |
1655 |
|
0, 0, 2, 0.0046, 16, 0.016, 31, 0.051, 45, 0.115, 54.5, 0.2, |
1656 |
|
64.5, 0.39, 74, 0.74, 92, 1.03, 114, 1.94, 119.2, 2.2, 127, 2.2 |
1657 |
|
}; |
1658 |
|
return InitCurve(segments); |
1659 |
|
} |
1660 |
|
|
1661 |
|
float* Engine::InitPanCurve() { |
1662 |
|
// line-segment approximation |
1663 |
|
const float segments[] = { |
1664 |
|
0, 0, 1, 0, |
1665 |
|
2, 0.05, 31.5, 0.7, 51, 0.851, 74.5, 1.12, |
1666 |
|
127, 1.41, 128, 1.41 |
1667 |
|
}; |
1668 |
|
return InitCurve(segments, 129); |
1669 |
|
} |
1670 |
|
|
1671 |
|
float* Engine::InitCrossfadeCurve() { |
1672 |
|
// line-segment approximation |
1673 |
|
const float segments[] = { |
1674 |
|
0, 0, 1, 0.03, 10, 0.1, 51, 0.58, 127, 1 |
1675 |
|
}; |
1676 |
|
return InitCurve(segments); |
1677 |
|
} |
1678 |
|
|
1679 |
|
float* Engine::InitCurve(const float* segments, int size) { |
1680 |
|
float* y = new float[size]; |
1681 |
|
for (int x = 0 ; x < size ; x++) { |
1682 |
|
if (x > segments[2]) segments += 2; |
1683 |
|
y[x] = segments[1] + (x - segments[0]) * |
1684 |
|
(segments[3] - segments[1]) / (segments[2] - segments[0]); |
1685 |
|
} |
1686 |
|
return y; |
1687 |
|
} |
1688 |
|
|
1689 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |