3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
6 |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
* Copyright (C) 2005-2020 Christian Schoenebeck * |
7 |
* Copyright (C) 2009-2010 Christian Schoenebeck and Grigor Iliev * |
* Copyright (C) 2009-2012 Grigor Iliev * |
8 |
|
* Copyright (C) 2013-2016 Andreas Persson * |
9 |
* * |
* * |
10 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
11 |
* 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 * |
61 |
} else { // create a new engine (and disk thread) instance for the given audio output device |
} else { // create a new engine (and disk thread) instance for the given audio output device |
62 |
dmsg(4,("Creating new Engine.\n")); |
dmsg(4,("Creating new Engine.\n")); |
63 |
pEngine = (AbstractEngine*) EngineFactory::Create(pChannel->EngineName()); |
pEngine = (AbstractEngine*) EngineFactory::Create(pChannel->EngineName()); |
64 |
|
pEngine->CreateInstrumentScriptVM(); |
65 |
pEngine->Connect(pDevice); |
pEngine->Connect(pDevice); |
66 |
engines[pChannel->GetEngineFormat()][pDevice] = pEngine; |
engines[pChannel->GetEngineFormat()][pDevice] = pEngine; |
67 |
} |
} |
69 |
pEngine->engineChannels.add(pChannel); |
pEngine->engineChannels.add(pChannel); |
70 |
// remember index in the ArrayList |
// remember index in the ArrayList |
71 |
pChannel->iEngineIndexSelf = pEngine->engineChannels.size() - 1; |
pChannel->iEngineIndexSelf = pEngine->engineChannels.size() - 1; |
72 |
dmsg(4,("This Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
dmsg(4,("This Engine has now %" PRId64 " EngineChannels.\n", (int64_t)pEngine->engineChannels.size())); |
73 |
return pEngine; |
return pEngine; |
74 |
} |
} |
75 |
|
|
76 |
AbstractEngine::AbstractEngine() { |
AbstractEngine::AbstractEngine() { |
77 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
78 |
pEventGenerator = NULL; |
pEventGenerator = new EventGenerator(44100); |
79 |
pSysexBuffer = new RingBuffer<uint8_t,false>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t,false>(CONFIG_SYSEX_BUFFER_SIZE, 0); |
80 |
pEventQueue = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0); |
81 |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
82 |
|
pEventPool->setPoolElementIDsReservedBits(INSTR_SCRIPT_EVENT_ID_RESERVED_BITS); |
83 |
pGlobalEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
84 |
FrameTime = 0; |
FrameTime = 0; |
85 |
RandomSeed = 0; |
RandomSeed = 0; |
86 |
pDedicatedVoiceChannelLeft = pDedicatedVoiceChannelRight = NULL; |
pDedicatedVoiceChannelLeft = pDedicatedVoiceChannelRight = NULL; |
87 |
|
pScriptVM = NULL; |
88 |
} |
} |
89 |
|
|
90 |
AbstractEngine::~AbstractEngine() { |
AbstractEngine::~AbstractEngine() { |
95 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
96 |
if (pDedicatedVoiceChannelLeft) delete pDedicatedVoiceChannelLeft; |
if (pDedicatedVoiceChannelLeft) delete pDedicatedVoiceChannelLeft; |
97 |
if (pDedicatedVoiceChannelRight) delete pDedicatedVoiceChannelRight; |
if (pDedicatedVoiceChannelRight) delete pDedicatedVoiceChannelRight; |
98 |
|
if (pScriptVM) delete pScriptVM; |
99 |
Unregister(); |
Unregister(); |
100 |
} |
} |
101 |
|
|
102 |
|
void AbstractEngine::CreateInstrumentScriptVM() { |
103 |
|
dmsg(2,("Created sampler format independent instrument script VM.\n")); |
104 |
|
if (pScriptVM) return; |
105 |
|
pScriptVM = new InstrumentScriptVM; // format independent script runner |
106 |
|
} |
107 |
|
|
108 |
/** |
/** |
109 |
* Once an engine channel is disconnected from an audio output device, |
* Once an engine channel is disconnected from an audio output device, |
110 |
* it will immediately call this method to unregister itself from the |
* it will immediately call this method to unregister itself from the |
127 |
delete pEngine; |
delete pEngine; |
128 |
dmsg(4,("Destroying Engine.\n")); |
dmsg(4,("Destroying Engine.\n")); |
129 |
} |
} |
130 |
else dmsg(4,("This Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
else dmsg(4,("This Engine has now %" PRId64 " EngineChannels.\n", (int64_t)pEngine->engineChannels.size())); |
131 |
} |
} |
132 |
|
|
133 |
void AbstractEngine::Enable() { |
void AbstractEngine::Enable() { |
176 |
*/ |
*/ |
177 |
void AbstractEngine::ResetScaleTuning() { |
void AbstractEngine::ResetScaleTuning() { |
178 |
memset(&ScaleTuning[0], 0x00, 12); |
memset(&ScaleTuning[0], 0x00, 12); |
179 |
|
ScaleTuningChanged.raise(); |
180 |
} |
} |
181 |
|
|
182 |
/** |
/** |
314 |
for (int iChan = 0; iChan < 2; ++iChan) { |
for (int iChan = 0; iChan < 2; ++iChan) { |
315 |
const int iDstChan = pFxSend->DestinationChannel(iChan); |
const int iDstChan = pFxSend->DestinationChannel(iChan); |
316 |
if (iDstChan < 0) { |
if (iDstChan < 0) { |
317 |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)", ((iChan) ? "R" : "L"), iChan, iDstChan)); |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)\n", |
318 |
|
((iChan) ? "R" : "L"), iChan, iDstChan)); |
319 |
return false; // error |
return false; // error |
320 |
} |
} |
321 |
AudioChannel* pDstChan = NULL; |
AudioChannel* pDstChan = NULL; |
322 |
|
Effect* pEffect = NULL; |
323 |
if (pFxSend->DestinationEffectChain() >= 0) { // fx send routed to an internal send effect |
if (pFxSend->DestinationEffectChain() >= 0) { // fx send routed to an internal send effect |
324 |
EffectChain* pEffectChain = |
EffectChain* pEffectChain = |
325 |
pAudioOutputDevice->SendEffectChainByID( |
pAudioOutputDevice->SendEffectChainByID( |
326 |
pFxSend->DestinationEffectChain() |
pFxSend->DestinationEffectChain() |
327 |
); |
); |
328 |
if (!pEffectChain) { |
if (!pEffectChain) { |
329 |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect chain %d", ((iChan) ? "R" : "L"), pFxSend->DestinationEffectChain())); |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect chain %d\n", |
330 |
|
((iChan) ? "R" : "L"), pFxSend->DestinationEffectChain())); |
331 |
return false; // error |
return false; // error |
332 |
} |
} |
333 |
Effect* pEffect = |
pEffect = |
334 |
pEffectChain->GetEffect( |
pEffectChain->GetEffect( |
335 |
pFxSend->DestinationEffectChainPosition() |
pFxSend->DestinationEffectChainPosition() |
336 |
); |
); |
337 |
if (!pEffect) { |
if (!pEffect) { |
338 |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect %d of effect chain %d", ((iChan) ? "R" : "L"), pFxSend->DestinationEffectChainPosition(), pFxSend->DestinationEffectChain())); |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect %d of effect chain %d\n", |
339 |
|
((iChan) ? "R" : "L"), pFxSend->DestinationEffectChainPosition(), pFxSend->DestinationEffectChain())); |
340 |
return false; // error |
return false; // error |
341 |
} |
} |
342 |
pDstChan = pEffect->InputChannel(iDstChan); |
pDstChan = pEffect->InputChannel(iDstChan); |
343 |
} else { // FX send routed directly to an audio output channel |
} else { // FX send routed directly to audio output device channel(s) |
344 |
pDstChan = pAudioOutputDevice->Channel(iDstChan); |
pDstChan = pAudioOutputDevice->Channel(iDstChan); |
345 |
} |
} |
346 |
if (!pDstChan) { |
if (!pDstChan) { |
347 |
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)", ((iChan) ? "R" : "L"), iChan, iDstChan)); |
if (pFxSend->DestinationEffectChain() >= 0) { // fx send routed to an internal send effect |
348 |
|
const int iEffectChannels = pEffect ? pEffect->InputChannelCount() : 0; |
349 |
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d): " |
350 |
|
"FX send is routed to effect %d of effect chain %d and that effect has %d input channels\n", |
351 |
|
((iChan) ? "R" : "L"), iChan, iDstChan, |
352 |
|
pFxSend->DestinationEffectChainPosition(), |
353 |
|
pFxSend->DestinationEffectChain(), iEffectChannels)); |
354 |
|
} else { // FX send routed directly to audio output device channel(s) |
355 |
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d): " |
356 |
|
"FX send is directly routed to audio output device which has %d output channels\n", |
357 |
|
((iChan) ? "R" : "L"), iChan, iDstChan, |
358 |
|
(pAudioOutputDevice ? pAudioOutputDevice->ChannelCount() : 0))); |
359 |
|
} |
360 |
return false; // error |
return false; // error |
361 |
} |
} |
362 |
ppSource[iChan]->MixTo(pDstChan, Samples, FxSendLevel); |
ppSource[iChan]->MixTo(pDstChan, Samples, FxSendLevel); |
374 |
*/ |
*/ |
375 |
uint8_t AbstractEngine::GSCheckSum(const RingBuffer<uint8_t,false>::NonVolatileReader AddrReader, uint DataSize) { |
uint8_t AbstractEngine::GSCheckSum(const RingBuffer<uint8_t,false>::NonVolatileReader AddrReader, uint DataSize) { |
376 |
RingBuffer<uint8_t,false>::NonVolatileReader reader = AddrReader; |
RingBuffer<uint8_t,false>::NonVolatileReader reader = AddrReader; |
377 |
uint bytes = 3 /*addr*/ + DataSize; |
uint bytes = 3 /*addr*/ + DataSize; |
|
uint8_t addr_and_data[bytes]; |
|
|
reader.read(&addr_and_data[0], bytes); |
|
378 |
uint8_t sum = 0; |
uint8_t sum = 0; |
379 |
for (uint i = 0; i < bytes; i++) sum += addr_and_data[i]; |
uint8_t c; |
380 |
|
for (uint i = 0; i < bytes; ++i) { |
381 |
|
if (!reader.pop(&c)) break; |
382 |
|
sum += c; |
383 |
|
} |
384 |
return 128 - sum % 128; |
return 128 - sum % 128; |
385 |
} |
} |
386 |
|
|
389 |
* |
* |
390 |
* @param ScaleTunes - detuning of all twelve semitones (in cents) |
* @param ScaleTunes - detuning of all twelve semitones (in cents) |
391 |
*/ |
*/ |
392 |
void AbstractEngine::AdjustScale(int8_t ScaleTunes[12]) { |
void AbstractEngine::AdjustScaleTuning(const int8_t ScaleTunes[12]) { |
393 |
memcpy(&this->ScaleTuning[0], &ScaleTunes[0], 12); //TODO: currently not sample accurate |
memcpy(&this->ScaleTuning[0], &ScaleTunes[0], 12); |
394 |
|
ScaleTuningChanged.raise(); |
395 |
|
} |
396 |
|
|
397 |
|
void AbstractEngine::GetScaleTuning(int8_t* pScaleTunes) { |
398 |
|
memcpy(pScaleTunes, &this->ScaleTuning[0], 12); |
399 |
} |
} |
400 |
|
|
401 |
uint AbstractEngine::VoiceCount() { |
uint AbstractEngine::VoiceCount() { |
411 |
} |
} |
412 |
|
|
413 |
/** |
/** |
414 |
* Moves pitchbend event from the general (input) event list to the engine |
* Stores the latest pitchbend event as current pitchbend scalar value. |
|
* channel's event list. It will actually processed later by the |
|
|
* respective voice. |
|
415 |
* |
* |
416 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
417 |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
* @param itPitchbendEvent - absolute pitch value and time stamp of the event |
532 |
|
|
533 |
// command address |
// command address |
534 |
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) |
535 |
const RingBuffer<uint8_t,false>::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 |
536 |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
if (reader.read(&addr[0], 3) != 3) goto free_sysex_data; |
537 |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters |
538 |
dmsg(3,("\tSystem Parameter\n")); |
dmsg(3,("\tSystem Parameter\n")); |
540 |
for (int i = 0; i < engineChannels.size(); ++i) { |
for (int i = 0; i < engineChannels.size(); ++i) { |
541 |
AbstractEngineChannel* pEngineChannel |
AbstractEngineChannel* pEngineChannel |
542 |
= static_cast<AbstractEngineChannel*>(engineChannels[i]); |
= static_cast<AbstractEngineChannel*>(engineChannels[i]); |
543 |
if (pEngineChannel->GetMidiInputPort() == itSysexEvent->pMidiInputPort) { |
Sync< ArrayList<MidiInputPort*> > midiInputs = pEngineChannel->midiInputs.front(); |
544 |
KillAllVoices(pEngineChannel, itSysexEvent); |
for (int k = 0; k < midiInputs->size(); ++k) { |
545 |
pEngineChannel->ResetControllers(); |
if ((*midiInputs)[k] == itSysexEvent->pMidiInputPort) { |
546 |
|
KillAllVoices(pEngineChannel, itSysexEvent); |
547 |
|
pEngineChannel->ResetControllers(); |
548 |
|
break; |
549 |
|
} |
550 |
} |
} |
551 |
} |
} |
552 |
} |
} |
567 |
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
if (GSCheckSum(checksum_reader, 12)) goto free_sysex_data; |
568 |
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
#endif // CONFIG_ASSERT_GS_SYSEX_CHECKSUM |
569 |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
for (int i = 0; i < 12; i++) scale_tunes[i] -= 64; |
570 |
AdjustScale((int8_t*) scale_tunes); |
AdjustScaleTuning((int8_t*) scale_tunes); |
571 |
dmsg(3,("\t\t\tNew scale applied.\n")); |
dmsg(3,("\t\t\tNew scale applied.\n")); |
572 |
break; |
break; |
573 |
} |
} |
579 |
for (int i = 0; i < engineChannels.size(); ++i) { |
for (int i = 0; i < engineChannels.size(); ++i) { |
580 |
AbstractEngineChannel* pEngineChannel |
AbstractEngineChannel* pEngineChannel |
581 |
= static_cast<AbstractEngineChannel*>(engineChannels[i]); |
= static_cast<AbstractEngineChannel*>(engineChannels[i]); |
582 |
if ( |
if (pEngineChannel->midiChannel == part || |
583 |
(pEngineChannel->midiChannel == part || |
pEngineChannel->midiChannel == midi_chan_all) |
584 |
pEngineChannel->midiChannel == midi_chan_all) && |
{ |
585 |
pEngineChannel->GetMidiInputPort() == itSysexEvent->pMidiInputPort |
Sync< ArrayList<MidiInputPort*> > midiInputs = pEngineChannel->midiInputs.front(); |
586 |
) { |
for (int k = 0; k < midiInputs->size(); ++k) { |
587 |
try { |
if ((*midiInputs)[k] == itSysexEvent->pMidiInputPort) { |
588 |
pEngineChannel->SetMidiInstrumentMap(map); |
try { |
589 |
} catch (Exception e) { |
pEngineChannel->SetMidiInstrumentMap(map); |
590 |
dmsg(2,("\t\t\tCould not apply MIDI instrument map %d to part %d: %s\n", map, part, e.Message().c_str())); |
} catch (Exception e) { |
591 |
goto free_sysex_data; |
dmsg(2,("\t\t\tCould not apply MIDI instrument map %d to part %d: %s\n", map, part, e.Message().c_str())); |
592 |
} catch (...) { |
goto free_sysex_data; |
593 |
dmsg(2,("\t\t\tCould not apply MIDI instrument map %d to part %d (unknown exception)\n", map, part)); |
} catch (...) { |
594 |
goto free_sysex_data; |
dmsg(2,("\t\t\tCould not apply MIDI instrument map %d to part %d (unknown exception)\n", map, part)); |
595 |
|
goto free_sysex_data; |
596 |
|
} |
597 |
|
break; |
598 |
|
} |
599 |
} |
} |
600 |
} |
} |
601 |
} |
} |
671 |
return y; |
return y; |
672 |
} |
} |
673 |
|
|
674 |
|
/** |
675 |
|
* Returns the volume factor to be used for the requested signed, |
676 |
|
* normalized @a pan value and audio @a channel index. |
677 |
|
* |
678 |
|
* @param pan - between -1.0 (most left) and +1.0 (most right) |
679 |
|
* @param channel - 0: return value for left channel, 1: return value for right channel |
680 |
|
* @returns final volume factor for the requested audio channel to be applied |
681 |
|
*/ |
682 |
|
float AbstractEngine::PanCurveValueNorm(float pan, int channel) { |
683 |
|
float pan128 = (pan + 1.f) / 2.f * 128.f; |
684 |
|
if (channel == 0) pan128 = 128 - pan128; |
685 |
|
return PanCurve[pan128]; //TODO: interpolation should be done here (float type "pan" argument here allows a much more fine graded result value than those 129 steps of the PanCurve) |
686 |
|
} |
687 |
|
|
688 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |