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 - 2008 Christian Schoenebeck * |
7 |
* Copyright (C) 2009 - 2010 Christian Schoenebeck and Grigor Iliev * |
* Copyright (C) 2009 Christian Schoenebeck and Grigor Iliev * |
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|
* Copyright (C) 2010 - 2017 Christian Schoenebeck and 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 * |
33 |
|
|
34 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
35 |
|
|
36 |
|
// sanity checks: fromGigLfoWave() assumes equally mapped enums |
37 |
|
static_assert(int64_t(::gig::lfo_wave_sine) == int64_t(LFO::wave_sine), |
38 |
|
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
39 |
|
static_assert(int64_t(::gig::lfo_wave_triangle) == int64_t(LFO::wave_triangle), |
40 |
|
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
41 |
|
static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw), |
42 |
|
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
43 |
|
static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square), |
44 |
|
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
45 |
|
|
46 |
|
// converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler) |
47 |
|
inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) { |
48 |
|
// simply assuming equally mapped enums on both sides |
49 |
|
return static_cast<LFO::wave_t>(wave); |
50 |
|
} |
51 |
|
|
52 |
|
// Returns true for GigaStudio's original filter types (which are resembled |
53 |
|
// by LS very accurately with same frequency response and patch settings |
54 |
|
// behaviour), false for our own LS specific filter implementation types. |
55 |
|
constexpr bool isGStFilterType(::gig::vcf_type_t type) { |
56 |
|
return type == ::gig::vcf_type_lowpass || |
57 |
|
type == ::gig::vcf_type_lowpassturbo || |
58 |
|
type == ::gig::vcf_type_bandpass || |
59 |
|
type == ::gig::vcf_type_highpass || |
60 |
|
type == ::gig::vcf_type_bandreject; |
61 |
|
} |
62 |
|
|
63 |
Voice::Voice() { |
Voice::Voice() { |
64 |
pEngine = NULL; |
pEngine = NULL; |
65 |
pEG1 = &EG1; |
pEG1 = &EG1; |
66 |
|
pEG2 = &EG2; |
67 |
} |
} |
68 |
|
|
69 |
Voice::~Voice() { |
Voice::~Voice() { |
86 |
si.ChannelCount = pSample->Channels; |
si.ChannelCount = pSample->Channels; |
87 |
si.FrameSize = pSample->FrameSize; |
si.FrameSize = pSample->FrameSize; |
88 |
si.BitDepth = pSample->BitDepth; |
si.BitDepth = pSample->BitDepth; |
89 |
si.TotalFrameCount = pSample->SamplesTotal; |
si.TotalFrameCount = (uint)pSample->SamplesTotal; |
90 |
|
|
91 |
si.HasLoops = pRegion->SampleLoops; |
si.HasLoops = pRegion->SampleLoops; |
92 |
si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
104 |
ri.Pan = pRegion->Pan; |
ri.Pan = pRegion->Pan; |
105 |
ri.SampleStartOffset = pRegion->SampleStartOffset; |
ri.SampleStartOffset = pRegion->SampleStartOffset; |
106 |
|
|
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ri.EG1PreAttack = pRegion->EG1PreAttack; |
|
|
ri.EG1Attack = pRegion->EG1Attack; |
|
|
ri.EG1Hold = pRegion->EG1Hold; |
|
|
ri.EG1Decay1 = pRegion->EG1Decay1; |
|
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ri.EG1Decay2 = pRegion->EG1Decay2; |
|
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ri.EG1Sustain = pRegion->EG1Sustain; |
|
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ri.EG1InfiniteSustain = pRegion->EG1InfiniteSustain; |
|
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ri.EG1Release = pRegion->EG1Release; |
|
|
|
|
107 |
ri.EG2PreAttack = pRegion->EG2PreAttack; |
ri.EG2PreAttack = pRegion->EG2PreAttack; |
108 |
ri.EG2Attack = pRegion->EG2Attack; |
ri.EG2Attack = pRegion->EG2Attack; |
109 |
ri.EG2Decay1 = pRegion->EG2Decay1; |
ri.EG2Decay1 = pRegion->EG2Decay1; |
115 |
ri.EG3Attack = pRegion->EG3Attack; |
ri.EG3Attack = pRegion->EG3Attack; |
116 |
ri.EG3Depth = pRegion->EG3Depth; |
ri.EG3Depth = pRegion->EG3Depth; |
117 |
ri.VCFEnabled = pRegion->VCFEnabled; |
ri.VCFEnabled = pRegion->VCFEnabled; |
118 |
ri.VCFType = pRegion->VCFType; |
ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
119 |
ri.VCFResonance = pRegion->VCFResonance; |
ri.VCFResonance = pRegion->VCFResonance; |
120 |
|
|
121 |
ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
152 |
} |
} |
153 |
} |
} |
154 |
|
|
155 |
|
void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) { |
156 |
|
if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event |
157 |
|
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) { |
158 |
|
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]); |
159 |
|
} |
160 |
|
} |
161 |
|
} |
162 |
|
|
163 |
|
void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) { |
164 |
|
// Not used so far |
165 |
|
} |
166 |
|
|
167 |
|
uint8_t Voice::MinCutoff() const { |
168 |
|
// If there's a cutoff controller defined then VCFVelocityScale means |
169 |
|
// "minimum cutoff". If there is no MIDI controller defined for cutoff |
170 |
|
// then VCFVelocityScale is already taken into account on libgig side |
171 |
|
// instead by call to pRegion->GetVelocityCutoff(MIDIKeyVelocity). |
172 |
|
return pRegion->VCFVelocityScale; |
173 |
|
} |
174 |
|
|
175 |
|
// This is called on any cutoff controller changes, however not when the |
176 |
|
// voice is triggered. So the initial cutoff value is retrieved by a call |
177 |
|
// to CalculateFinalCutoff() instead. |
178 |
void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
179 |
int ccvalue = itEvent->Param.CC.Value; |
if (VCFCutoffCtrl.value == itEvent->Param.CC.Value) return; |
180 |
if (VCFCutoffCtrl.value == ccvalue) return; |
float ccvalue = VCFCutoffCtrl.value = itEvent->Param.CC.Value; |
181 |
VCFCutoffCtrl.value == ccvalue; |
|
182 |
if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
// if the selected filter type is an official GigaStudio filter type |
183 |
if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale; |
// then we preserve the original (no matter how odd) historical GSt |
184 |
float cutoff = CutoffBase * float(ccvalue); |
// behaviour identically; for our own filter types though we deviate to |
185 |
|
// more meaningful behaviours where appropriate |
186 |
|
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
187 |
|
|
188 |
|
if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
189 |
|
if (isGStFilter) { |
190 |
|
// VCFVelocityScale in this case means "minimum cutoff" for GSt |
191 |
|
if (ccvalue < MinCutoff()) ccvalue = MinCutoff(); |
192 |
|
} else { |
193 |
|
// for our own filter types we interpret "minimum cutoff" |
194 |
|
// differently: GSt handles this as a simple hard limit with the |
195 |
|
// consequence that a certain range of the controller is simply |
196 |
|
// dead; so for our filter types we rather remap that to |
197 |
|
// restrain within the min_cutoff..127 range as well, but |
198 |
|
// effectively spanned over the entire controller range (0..127) |
199 |
|
// to avoid such a "dead" lower controller zone |
200 |
|
ccvalue = MinCutoff() + (ccvalue / 127.f) * float(127 - MinCutoff()); |
201 |
|
} |
202 |
|
|
203 |
|
float cutoff = CutoffBase * ccvalue; |
204 |
if (cutoff > 127.0f) cutoff = 127.0f; |
if (cutoff > 127.0f) cutoff = 127.0f; |
205 |
|
|
206 |
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
// the filter implementations of the original GSt filter types take an |
207 |
fFinalCutoff = cutoff; |
// abstract cutoff parameter range of 0..127, whereas our own filter |
208 |
|
// types take a cutoff parameter in Hz, so remap here: |
209 |
|
// 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
210 |
|
if (!isGStFilter) { |
211 |
|
cutoff = (cutoff + 29.f) / (127.f + 29.f); |
212 |
|
cutoff = cutoff * cutoff * cutoff * cutoff * 18000.f; |
213 |
|
if (cutoff > 0.49f * pEngine->SampleRate) |
214 |
|
cutoff = 0.49f * pEngine->SampleRate; |
215 |
|
} |
216 |
|
|
217 |
|
fFinalCutoff = VCFCutoffCtrl.fvalue = cutoff; |
218 |
} |
} |
219 |
|
|
220 |
double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
261 |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
262 |
EGInfo eg; |
EGInfo eg; |
263 |
// (eg1attack is different from the others) |
// (eg1attack is different from the others) |
264 |
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0 |
265 |
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
(pRegion->EG1ControllerAttackInfluence == 0 || |
266 |
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
eg1ControllerValue <= 10)) { // strange GSt special case |
267 |
|
eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger |
268 |
|
} else { |
269 |
|
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
270 |
|
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
271 |
|
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
272 |
|
} |
273 |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
274 |
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
275 |
|
|
340 |
bLFO1Enabled = false; |
bLFO1Enabled = false; |
341 |
} |
} |
342 |
if (bLFO1Enabled) { |
if (bLFO1Enabled) { |
343 |
pLFO1->trigger(pRegion->LFO1Frequency, |
pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm), |
344 |
start_level_min, |
pRegion->LFO1Frequency, |
345 |
|
pRegion->LFO1Phase, |
346 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
347 |
lfo1_internal_depth, |
lfo1_internal_depth, |
348 |
pRegion->LFO1ControlDepth, |
pRegion->LFO1ControlDepth, |
349 |
pRegion->LFO1FlipPhase, |
pRegion->LFO1FlipPhase, |
350 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
351 |
pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
352 |
|
pLFO1->setScriptDepthFactor( |
353 |
|
pNote->Override.AmpLFODepth.Value, |
354 |
|
pNote->Override.AmpLFODepth.Final |
355 |
|
); |
356 |
|
if (pNote->Override.AmpLFOFreq.isFinal()) |
357 |
|
pLFO1->setScriptFrequencyFinal( |
358 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
359 |
|
); |
360 |
|
else |
361 |
|
pLFO1->setScriptFrequencyFactor( |
362 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
363 |
|
); |
364 |
} |
} |
365 |
} |
} |
366 |
|
|
398 |
bLFO2Enabled = false; |
bLFO2Enabled = false; |
399 |
} |
} |
400 |
if (bLFO2Enabled) { |
if (bLFO2Enabled) { |
401 |
pLFO2->trigger(pRegion->LFO2Frequency, |
pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm), |
402 |
start_level_max, |
pRegion->LFO2Frequency, |
403 |
|
pRegion->LFO2Phase, |
404 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
405 |
lfo2_internal_depth, |
lfo2_internal_depth, |
406 |
pRegion->LFO2ControlDepth, |
pRegion->LFO2ControlDepth, |
407 |
pRegion->LFO2FlipPhase, |
pRegion->LFO2FlipPhase, |
408 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
409 |
pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
410 |
|
pLFO2->setScriptDepthFactor( |
411 |
|
pNote->Override.CutoffLFODepth.Value, |
412 |
|
pNote->Override.CutoffLFODepth.Final |
413 |
|
); |
414 |
|
if (pNote->Override.CutoffLFOFreq.isFinal()) |
415 |
|
pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
416 |
|
else |
417 |
|
pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
418 |
} |
} |
419 |
} |
} |
420 |
|
|
433 |
break; |
break; |
434 |
case ::gig::lfo3_ctrl_aftertouch: |
case ::gig::lfo3_ctrl_aftertouch: |
435 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
436 |
pLFO3->ExtController = 128; |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
437 |
bLFO3Enabled = true; |
bLFO3Enabled = true; |
438 |
break; |
break; |
439 |
case ::gig::lfo3_ctrl_internal_modwheel: |
case ::gig::lfo3_ctrl_internal_modwheel: |
443 |
break; |
break; |
444 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
case ::gig::lfo3_ctrl_internal_aftertouch: |
445 |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
446 |
pLFO1->ExtController = 128; |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
447 |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
448 |
break; |
break; |
449 |
default: |
default: |
452 |
bLFO3Enabled = false; |
bLFO3Enabled = false; |
453 |
} |
} |
454 |
if (bLFO3Enabled) { |
if (bLFO3Enabled) { |
455 |
pLFO3->trigger(pRegion->LFO3Frequency, |
pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm), |
456 |
start_level_mid, |
pRegion->LFO3Frequency, |
457 |
|
pRegion->LFO3Phase, |
458 |
|
LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
459 |
lfo3_internal_depth, |
lfo3_internal_depth, |
460 |
pRegion->LFO3ControlDepth, |
pRegion->LFO3ControlDepth, |
461 |
false, |
pRegion->LFO3FlipPhase, |
462 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
463 |
pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
464 |
|
pLFO3->setScriptDepthFactor( |
465 |
|
pNote->Override.PitchLFODepth.Value, |
466 |
|
pNote->Override.PitchLFODepth.Final |
467 |
|
); |
468 |
|
if (pNote->Override.PitchLFOFreq.isFinal()) |
469 |
|
pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
470 |
|
else |
471 |
|
pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
472 |
} |
} |
473 |
} |
} |
474 |
|
|
475 |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
476 |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
477 |
if (pRegion->VCFKeyboardTracking) { |
if (pRegion->VCFKeyboardTracking) { |
478 |
cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
479 |
} |
} |
480 |
return cutoff; |
return cutoff; |
481 |
} |
} |
482 |
|
|
483 |
|
// This is just called when the voice is triggered. On any subsequent cutoff |
484 |
|
// controller changes ProcessCutoffEvent() is called instead. |
485 |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
486 |
int cvalue; |
// if the selected filter type is an official GigaStudio filter type |
487 |
|
// then we preserve the original (no matter how odd) historical GSt |
488 |
|
// behaviour identically; for our own filter types though we deviate to |
489 |
|
// more meaningful behaviours where appropriate |
490 |
|
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
491 |
|
|
492 |
|
// get current cutoff CC or velocity value (always 0..127) |
493 |
|
float cvalue; |
494 |
if (VCFCutoffCtrl.controller) { |
if (VCFCutoffCtrl.controller) { |
495 |
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
496 |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
497 |
// VCFVelocityScale in this case means Minimum cutoff |
if (isGStFilter) { |
498 |
if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; |
// VCFVelocityScale in this case means "minimum cutoff" for GSt |
499 |
} |
if (cvalue < MinCutoff()) cvalue = MinCutoff(); |
500 |
else { |
} else { |
501 |
|
// for our own filter types we interpret "minimum cutoff" |
502 |
|
// differently: GSt handles this as a simple hard limit with the |
503 |
|
// consequence that a certain range of the controller is simply |
504 |
|
// dead; so for our filter types we rather remap that to |
505 |
|
// restrain within the min_cutoff..127 range as well, but |
506 |
|
// effectively spanned over the entire controller range (0..127) |
507 |
|
// to avoid such a "dead" lower controller zone |
508 |
|
cvalue = MinCutoff() + (cvalue / 127.f) * float(127 - MinCutoff()); |
509 |
|
} |
510 |
|
} else { |
511 |
|
// in case of velocity, VCFVelocityScale parameter is already |
512 |
|
// handled on libgig side (so by calling |
513 |
|
// pRegion->GetVelocityCutoff(velo) in CalculateCutoffBase() above) |
514 |
cvalue = pRegion->VCFCutoff; |
cvalue = pRegion->VCFCutoff; |
515 |
} |
} |
516 |
float fco = cutoffBase * float(cvalue); |
|
517 |
|
float fco = cutoffBase * cvalue; |
518 |
if (fco > 127.0f) fco = 127.0f; |
if (fco > 127.0f) fco = 127.0f; |
519 |
|
|
520 |
|
// the filter implementations of the original GSt filter types take an |
521 |
|
// abstract cutoff parameter range of 0..127, ... |
522 |
|
if (isGStFilter) |
523 |
|
return fco; |
524 |
|
|
525 |
|
// ... whereas our own filter types take a cutoff parameter in Hz, so |
526 |
|
// remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
527 |
|
fco = (fco + 29.f) / (127.f + 29.f); |
528 |
|
fco = fco * fco * fco * fco * 18000.f; |
529 |
|
if (fco > 0.49f * pEngine->SampleRate) |
530 |
|
fco = 0.49f * pEngine->SampleRate; |
531 |
return fco; |
return fco; |
532 |
} |
} |
533 |
|
|
562 |
ctrl = 83; |
ctrl = 83; |
563 |
break; |
break; |
564 |
case ::gig::vcf_cutoff_ctrl_aftertouch: |
case ::gig::vcf_cutoff_ctrl_aftertouch: |
565 |
ctrl = 128; |
ctrl = CTRL_TABLE_IDX_AFTERTOUCH; |
566 |
break; |
break; |
567 |
case ::gig::vcf_cutoff_ctrl_none: |
case ::gig::vcf_cutoff_ctrl_none: |
568 |
default: |
default: |
597 |
} |
} |
598 |
|
|
599 |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
600 |
EG1.trigger(uint(RgnInfo.EG1PreAttack), |
EG1.setStateOptions( |
601 |
RgnInfo.EG1Attack * egInfo.Attack, |
pRegion->EG1Options.AttackCancel, |
602 |
RgnInfo.EG1Hold, |
pRegion->EG1Options.AttackHoldCancel, |
603 |
RgnInfo.EG1Decay1 * egInfo.Decay * velrelease, |
pRegion->EG1Options.Decay1Cancel, |
604 |
RgnInfo.EG1Decay2 * egInfo.Decay * velrelease, |
pRegion->EG1Options.Decay2Cancel, |
605 |
RgnInfo.EG1InfiniteSustain, |
pRegion->EG1Options.ReleaseCancel |
606 |
uint(RgnInfo.EG1Sustain), |
); |
607 |
RgnInfo.EG1Release * egInfo.Release * velrelease, |
EG1.trigger(pRegion->EG1PreAttack, |
608 |
|
(pNote && pNote->Override.Attack.isFinal()) ? |
609 |
|
pNote->Override.Attack.Value : |
610 |
|
RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack, |
611 |
|
pRegion->EG1Hold, |
612 |
|
(pNote && pNote->Override.Decay.isFinal()) ? |
613 |
|
pNote->Override.Decay.Value : |
614 |
|
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
615 |
|
(pNote && pNote->Override.Decay.isFinal()) ? |
616 |
|
pNote->Override.Decay.Value : |
617 |
|
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
618 |
|
pRegion->EG1InfiniteSustain, |
619 |
|
(pNote && pNote->Override.Sustain.Final) ? |
620 |
|
uint(pNote->Override.Sustain.Value * 1000.f) : |
621 |
|
pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f), |
622 |
|
(pNote && pNote->Override.Release.isFinal()) ? |
623 |
|
pNote->Override.Release.Value : |
624 |
|
RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release, |
625 |
velocityAttenuation, |
velocityAttenuation, |
626 |
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
627 |
} |
} |
628 |
|
|
629 |
|
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
630 |
|
EG2.setStateOptions( |
631 |
|
pRegion->EG2Options.AttackCancel, |
632 |
|
pRegion->EG2Options.AttackHoldCancel, |
633 |
|
pRegion->EG2Options.Decay1Cancel, |
634 |
|
pRegion->EG2Options.Decay2Cancel, |
635 |
|
pRegion->EG2Options.ReleaseCancel |
636 |
|
); |
637 |
|
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
638 |
|
(pNote && pNote->Override.CutoffAttack.isFinal()) ? |
639 |
|
pNote->Override.CutoffAttack.Value : |
640 |
|
RgnInfo.EG2Attack * egInfo.Attack, |
641 |
|
false, |
642 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
643 |
|
pNote->Override.CutoffDecay.Value : |
644 |
|
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
645 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
646 |
|
pNote->Override.CutoffDecay.Value : |
647 |
|
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
648 |
|
RgnInfo.EG2InfiniteSustain, |
649 |
|
(pNote && pNote->Override.CutoffSustain.Final) ? |
650 |
|
uint(pNote->Override.CutoffSustain.Value * 1000.f) : |
651 |
|
uint(RgnInfo.EG2Sustain), |
652 |
|
(pNote && pNote->Override.CutoffRelease.isFinal()) ? |
653 |
|
pNote->Override.CutoffRelease.Value : |
654 |
|
RgnInfo.EG2Release * egInfo.Release * velrelease, |
655 |
|
velocityAttenuation, |
656 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
657 |
|
} |
658 |
|
|
659 |
|
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
660 |
|
dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type)); |
661 |
|
|
662 |
|
// TODO: The SustainPedal condition could be wrong, maybe the |
663 |
|
// check should be if this Voice is in release stage or is a |
664 |
|
// release sample instead. Need to test this in GSt. |
665 |
|
// -- Andreas |
666 |
|
// |
667 |
|
// Commented sustain pedal check out. I don't think voices of the same |
668 |
|
// note should be stopped at all, because it doesn't sound naturally |
669 |
|
// with a drumkit. |
670 |
|
// -- Christian, 2013-01-08 |
671 |
|
if (itEvent->Param.Note.Key != HostKey() /*|| |
672 |
|
!GetGigEngineChannel()->SustainPedal*/) { |
673 |
|
dmsg(4,("Voice %p - kill", (void*)this)); |
674 |
|
|
675 |
|
// kill the voice fast |
676 |
|
pEG1->enterFadeOutStage(); |
677 |
|
} |
678 |
|
} |
679 |
|
|
680 |
|
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
681 |
|
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
682 |
|
} |
683 |
|
|
684 |
|
int Voice::CalculatePan(uint8_t pan) { |
685 |
|
int p; |
686 |
|
// Gst behaviour: -64 and 63 are special cases |
687 |
|
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
688 |
|
else if (RgnInfo.Pan == 63) p = pan * 2; |
689 |
|
else p = pan + RgnInfo.Pan; |
690 |
|
|
691 |
|
if (p < 0) return 0; |
692 |
|
if (p > 127) return 127; |
693 |
|
return p; |
694 |
|
} |
695 |
|
|
696 |
|
release_trigger_t Voice::GetReleaseTriggerFlags() { |
697 |
|
release_trigger_t flags = |
698 |
|
(pRegion->NoNoteOffReleaseTrigger) ? |
699 |
|
release_trigger_none : release_trigger_noteoff; //HACK: currently this method is actually only called by EngineBase if it already knows that this voice requires release trigger, so I took the short way instead of checking (again) the existence of a ::gig::dimension_releasetrigger |
700 |
|
switch (pRegion->SustainReleaseTrigger) { |
701 |
|
case ::gig::sust_rel_trg_none: |
702 |
|
break; |
703 |
|
case ::gig::sust_rel_trg_maxvelocity: |
704 |
|
flags |= release_trigger_sustain_maxvelocity; |
705 |
|
break; |
706 |
|
case ::gig::sust_rel_trg_keyvelocity: |
707 |
|
flags |= release_trigger_sustain_keyvelocity; |
708 |
|
break; |
709 |
|
} |
710 |
|
return flags; |
711 |
|
} |
712 |
|
|
713 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |