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schoenebeck |
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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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schoenebeck |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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persson |
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* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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schoenebeck |
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* Copyright (C) 2009 Christian Schoenebeck and Grigor Iliev * |
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schoenebeck |
3328 |
* Copyright (C) 2010 - 2017 Christian Schoenebeck and Andreas Persson * |
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schoenebeck |
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* * |
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* 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 * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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schoenebeck |
319 |
#include "../../common/Features.h" |
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#include "Synthesizer.h" |
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schoenebeck |
770 |
#include "Profiler.h" |
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iliev |
2012 |
#include "Engine.h" |
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#include "EngineChannel.h" |
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schoenebeck |
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#include "Voice.h" |
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namespace LinuxSampler { namespace gig { |
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schoenebeck |
3626 |
// sanity checks: fromGigLfoWave() assumes equally mapped enums |
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schoenebeck |
3628 |
static_assert(int64_t(::gig::lfo_wave_sine) == int64_t(LFO::wave_sine), |
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"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
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static_assert(int64_t(::gig::lfo_wave_triangle) == int64_t(LFO::wave_triangle), |
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"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
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static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw), |
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"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
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static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square), |
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"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
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schoenebeck |
3626 |
|
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schoenebeck |
3625 |
// converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler) |
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inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) { |
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// simply assuming equally mapped enums on both sides |
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return static_cast<LFO::wave_t>(wave); |
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} |
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schoenebeck |
3655 |
// Returns true for GigaStudio's original filter types (which are resembled |
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// by LS very accurately with same frequency response and patch settings |
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// behaviour), false for our own LS specific filter implementation types. |
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constexpr bool isGStFilterType(::gig::vcf_type_t type) { |
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return type == ::gig::vcf_type_lowpass || |
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type == ::gig::vcf_type_lowpassturbo || |
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type == ::gig::vcf_type_bandpass || |
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type == ::gig::vcf_type_highpass || |
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type == ::gig::vcf_type_bandreject; |
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} |
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schoenebeck |
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Voice::Voice() { |
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persson |
2055 |
pEngine = NULL; |
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pEG1 = &EG1; |
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persson |
2175 |
pEG2 = &EG2; |
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schoenebeck |
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} |
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Voice::~Voice() { |
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} |
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iliev |
2015 |
EngineChannel* Voice::GetGigEngineChannel() { |
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return static_cast<EngineChannel*>(pEngineChannel); |
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} |
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iliev |
2012 |
void Voice::SetEngine(LinuxSampler::Engine* pEngine) { |
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Engine* engine = static_cast<Engine*>(pEngine); |
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this->pEngine = engine; |
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this->pDiskThread = engine->pDiskThread; |
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schoenebeck |
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dmsg(6,("Voice::SetEngine()\n")); |
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schoenebeck |
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} |
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iliev |
2015 |
Voice::SampleInfo Voice::GetSampleInfo() { |
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SampleInfo si; |
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si.SampleRate = pSample->SamplesPerSecond; |
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si.ChannelCount = pSample->Channels; |
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si.FrameSize = pSample->FrameSize; |
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si.BitDepth = pSample->BitDepth; |
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schoenebeck |
3054 |
si.TotalFrameCount = (uint)pSample->SamplesTotal; |
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schoenebeck |
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|
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iliev |
2015 |
si.HasLoops = pRegion->SampleLoops; |
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si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
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si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0; |
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si.LoopPlayCount = pSample->LoopPlayCount; |
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si.Unpitched = !pRegion->PitchTrack; |
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schoenebeck |
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iliev |
2015 |
return si; |
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} |
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schoenebeck |
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|
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iliev |
2015 |
Voice::RegionInfo Voice::GetRegionInfo() { |
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RegionInfo ri; |
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ri.UnityNote = pRegion->UnityNote; |
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ri.FineTune = pRegion->FineTune; |
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ri.Pan = pRegion->Pan; |
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ri.SampleStartOffset = pRegion->SampleStartOffset; |
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persson |
630 |
|
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iliev |
2015 |
ri.EG2PreAttack = pRegion->EG2PreAttack; |
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ri.EG2Attack = pRegion->EG2Attack; |
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ri.EG2Decay1 = pRegion->EG2Decay1; |
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ri.EG2Decay2 = pRegion->EG2Decay2; |
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ri.EG2Sustain = pRegion->EG2Sustain; |
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ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; |
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ri.EG2Release = pRegion->EG2Release; |
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persson |
630 |
|
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iliev |
2015 |
ri.EG3Attack = pRegion->EG3Attack; |
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ri.EG3Depth = pRegion->EG3Depth; |
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ri.VCFEnabled = pRegion->VCFEnabled; |
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persson |
2175 |
ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
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iliev |
2015 |
ri.VCFResonance = pRegion->VCFResonance; |
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persson |
2061 |
ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
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iliev |
2015 |
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return ri; |
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} |
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Voice::InstrumentInfo Voice::GetInstrumentInfo() { |
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InstrumentInfo ii; |
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ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune; |
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ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange; |
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return ii; |
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} |
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double Voice::GetSampleAttenuation() { |
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return pRegion->SampleAttenuation; |
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} |
137 |
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double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { |
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return pRegion->GetVelocityAttenuation(MIDIKeyVelocity); |
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} |
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double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
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return pRegion->GetVelocityRelease(MIDIKeyVelocity); |
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} |
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void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) { |
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if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
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if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
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itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { |
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CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
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} |
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persson |
630 |
} |
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iliev |
2015 |
} |
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persson |
630 |
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schoenebeck |
2559 |
void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) { |
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if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event |
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if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) { |
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CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]); |
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} |
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} |
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} |
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void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) { |
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// Not used so far |
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} |
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schoenebeck |
3655 |
uint8_t Voice::MinCutoff() const { |
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// If there's a cutoff controller defined then VCFVelocityScale means |
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// "minimum cutoff". If there is no MIDI controller defined for cutoff |
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// then VCFVelocityScale is already taken into account on libgig side |
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// instead by call to pRegion->GetVelocityCutoff(MIDIKeyVelocity). |
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return pRegion->VCFVelocityScale; |
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} |
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// This is called on any cutoff controller changes, however not when the |
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// voice is triggered. So the initial cutoff value is retrieved by a call |
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// to CalculateFinalCutoff() instead. |
178 |
iliev |
2015 |
void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
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schoenebeck |
3655 |
if (VCFCutoffCtrl.value == itEvent->Param.CC.Value) return; |
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float ccvalue = VCFCutoffCtrl.value = itEvent->Param.CC.Value; |
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// if the selected filter type is an official GigaStudio filter type |
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// then we preserve the original (no matter how odd) historical GSt |
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// behaviour identically; for our own filter types though we deviate to |
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// more meaningful behaviours where appropriate |
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const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
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if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
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schoenebeck |
3721 |
// interpret "minimum cutoff" not simply as hard limit, rather |
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// restrain it to min_cutoff..127 range, but spanned / remapped over |
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// the entire controller range (0..127) to avoid a "dead" lower |
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// controller zone (that is to avoid a certain CC value range where |
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// the controller would not change the cutoff frequency) |
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ccvalue = MinCutoff() + (ccvalue / 127.f) * float(127 - MinCutoff()); |
195 |
schoenebeck |
3655 |
|
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float cutoff = CutoffBase * ccvalue; |
197 |
iliev |
2015 |
if (cutoff > 127.0f) cutoff = 127.0f; |
198 |
schoenebeck |
319 |
|
199 |
schoenebeck |
3655 |
// the filter implementations of the original GSt filter types take an |
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// abstract cutoff parameter range of 0..127, whereas our own filter |
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// types take a cutoff parameter in Hz, so remap here: |
202 |
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// 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
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if (!isGStFilter) { |
204 |
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cutoff = (cutoff + 29.f) / (127.f + 29.f); |
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cutoff = cutoff * cutoff * cutoff * cutoff * 18000.f; |
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if (cutoff > 0.49f * pEngine->SampleRate) |
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cutoff = 0.49f * pEngine->SampleRate; |
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} |
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fFinalCutoff = VCFCutoffCtrl.fvalue = cutoff; |
211 |
iliev |
2015 |
} |
212 |
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213 |
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double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
214 |
persson |
832 |
float crossfadeVolume; |
215 |
iliev |
2015 |
switch (pRegion->AttenuationController.type) { |
216 |
schoenebeck |
236 |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
217 |
iliev |
2015 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
218 |
schoenebeck |
236 |
break; |
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case ::gig::attenuation_ctrl_t::type_velocity: |
220 |
iliev |
2015 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
221 |
schoenebeck |
236 |
break; |
222 |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
223 |
iliev |
2015 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
224 |
schoenebeck |
236 |
break; |
225 |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
226 |
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default: |
227 |
persson |
832 |
crossfadeVolume = 1.0f; |
228 |
schoenebeck |
236 |
} |
229 |
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230 |
iliev |
2015 |
return crossfadeVolume; |
231 |
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} |
232 |
schoenebeck |
245 |
|
233 |
iliev |
2015 |
double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
234 |
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double eg1controllervalue = 0; |
235 |
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switch (pRegion->EG1Controller.type) { |
236 |
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case ::gig::eg1_ctrl_t::type_none: // no controller defined |
237 |
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eg1controllervalue = 0; |
238 |
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break; |
239 |
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case ::gig::eg1_ctrl_t::type_channelaftertouch: |
240 |
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eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
241 |
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break; |
242 |
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case ::gig::eg1_ctrl_t::type_velocity: |
243 |
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eg1controllervalue = MIDIKeyVelocity; |
244 |
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break; |
245 |
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case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
246 |
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eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
247 |
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break; |
248 |
schoenebeck |
53 |
} |
249 |
iliev |
2015 |
if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
250 |
schoenebeck |
53 |
|
251 |
iliev |
2015 |
return eg1controllervalue; |
252 |
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} |
253 |
persson |
1700 |
|
254 |
iliev |
2015 |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
255 |
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EGInfo eg; |
256 |
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// (eg1attack is different from the others) |
257 |
persson |
2408 |
if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0 |
258 |
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(pRegion->EG1ControllerAttackInfluence == 0 || |
259 |
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eg1ControllerValue <= 10)) { // strange GSt special case |
260 |
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eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger |
261 |
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} else { |
262 |
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eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
263 |
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1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
264 |
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1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
265 |
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} |
266 |
iliev |
2015 |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
267 |
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eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
268 |
persson |
1700 |
|
269 |
iliev |
2015 |
return eg; |
270 |
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} |
271 |
schoenebeck |
53 |
|
272 |
iliev |
2015 |
double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
273 |
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double eg2controllervalue = 0; |
274 |
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switch (pRegion->EG2Controller.type) { |
275 |
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case ::gig::eg2_ctrl_t::type_none: // no controller defined |
276 |
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eg2controllervalue = 0; |
277 |
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break; |
278 |
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case ::gig::eg2_ctrl_t::type_channelaftertouch: |
279 |
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eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
280 |
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break; |
281 |
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case ::gig::eg2_ctrl_t::type_velocity: |
282 |
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eg2controllervalue = MIDIKeyVelocity; |
283 |
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break; |
284 |
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case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
285 |
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eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
286 |
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break; |
287 |
schoenebeck |
53 |
} |
288 |
iliev |
2015 |
if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
289 |
schoenebeck |
53 |
|
290 |
iliev |
2015 |
return eg2controllervalue; |
291 |
|
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} |
292 |
schoenebeck |
53 |
|
293 |
iliev |
2015 |
Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
294 |
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EGInfo eg; |
295 |
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eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
296 |
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eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
297 |
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eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
298 |
persson |
830 |
|
299 |
iliev |
2015 |
return eg; |
300 |
|
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} |
301 |
schoenebeck |
53 |
|
302 |
iliev |
2015 |
void Voice::InitLFO1() { |
303 |
|
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uint16_t lfo1_internal_depth; |
304 |
|
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switch (pRegion->LFO1Controller) { |
305 |
|
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case ::gig::lfo1_ctrl_internal: |
306 |
|
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lfo1_internal_depth = pRegion->LFO1InternalDepth; |
307 |
|
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pLFO1->ExtController = 0; // no external controller |
308 |
|
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bLFO1Enabled = (lfo1_internal_depth > 0); |
309 |
|
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break; |
310 |
|
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case ::gig::lfo1_ctrl_modwheel: |
311 |
|
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lfo1_internal_depth = 0; |
312 |
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pLFO1->ExtController = 1; // MIDI controller 1 |
313 |
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bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
314 |
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break; |
315 |
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case ::gig::lfo1_ctrl_breath: |
316 |
|
|
lfo1_internal_depth = 0; |
317 |
|
|
pLFO1->ExtController = 2; // MIDI controller 2 |
318 |
|
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
319 |
|
|
break; |
320 |
|
|
case ::gig::lfo1_ctrl_internal_modwheel: |
321 |
|
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
322 |
|
|
pLFO1->ExtController = 1; // MIDI controller 1 |
323 |
|
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
324 |
|
|
break; |
325 |
|
|
case ::gig::lfo1_ctrl_internal_breath: |
326 |
|
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
327 |
|
|
pLFO1->ExtController = 2; // MIDI controller 2 |
328 |
|
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
329 |
|
|
break; |
330 |
|
|
default: |
331 |
|
|
lfo1_internal_depth = 0; |
332 |
|
|
pLFO1->ExtController = 0; // no external controller |
333 |
|
|
bLFO1Enabled = false; |
334 |
schoenebeck |
53 |
} |
335 |
iliev |
2015 |
if (bLFO1Enabled) { |
336 |
schoenebeck |
3625 |
pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm), |
337 |
|
|
pRegion->LFO1Frequency, |
338 |
|
|
pRegion->LFO1Phase, |
339 |
schoenebeck |
3615 |
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
340 |
iliev |
2015 |
lfo1_internal_depth, |
341 |
|
|
pRegion->LFO1ControlDepth, |
342 |
|
|
pRegion->LFO1FlipPhase, |
343 |
|
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
344 |
schoenebeck |
3118 |
pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
345 |
schoenebeck |
3561 |
pLFO1->setScriptDepthFactor( |
346 |
|
|
pNote->Override.AmpLFODepth.Value, |
347 |
|
|
pNote->Override.AmpLFODepth.Final |
348 |
|
|
); |
349 |
|
|
if (pNote->Override.AmpLFOFreq.isFinal()) |
350 |
|
|
pLFO1->setScriptFrequencyFinal( |
351 |
|
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
352 |
|
|
); |
353 |
|
|
else |
354 |
|
|
pLFO1->setScriptFrequencyFactor( |
355 |
|
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
356 |
|
|
); |
357 |
schoenebeck |
53 |
} |
358 |
iliev |
2015 |
} |
359 |
schoenebeck |
53 |
|
360 |
iliev |
2015 |
void Voice::InitLFO2() { |
361 |
|
|
uint16_t lfo2_internal_depth; |
362 |
|
|
switch (pRegion->LFO2Controller) { |
363 |
|
|
case ::gig::lfo2_ctrl_internal: |
364 |
|
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
365 |
|
|
pLFO2->ExtController = 0; // no external controller |
366 |
|
|
bLFO2Enabled = (lfo2_internal_depth > 0); |
367 |
|
|
break; |
368 |
|
|
case ::gig::lfo2_ctrl_modwheel: |
369 |
|
|
lfo2_internal_depth = 0; |
370 |
|
|
pLFO2->ExtController = 1; // MIDI controller 1 |
371 |
|
|
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
372 |
|
|
break; |
373 |
|
|
case ::gig::lfo2_ctrl_foot: |
374 |
|
|
lfo2_internal_depth = 0; |
375 |
|
|
pLFO2->ExtController = 4; // MIDI controller 4 |
376 |
|
|
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
377 |
|
|
break; |
378 |
|
|
case ::gig::lfo2_ctrl_internal_modwheel: |
379 |
|
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
380 |
|
|
pLFO2->ExtController = 1; // MIDI controller 1 |
381 |
|
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
382 |
|
|
break; |
383 |
|
|
case ::gig::lfo2_ctrl_internal_foot: |
384 |
|
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
385 |
|
|
pLFO2->ExtController = 4; // MIDI controller 4 |
386 |
|
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
387 |
|
|
break; |
388 |
|
|
default: |
389 |
|
|
lfo2_internal_depth = 0; |
390 |
|
|
pLFO2->ExtController = 0; // no external controller |
391 |
|
|
bLFO2Enabled = false; |
392 |
schoenebeck |
53 |
} |
393 |
iliev |
2015 |
if (bLFO2Enabled) { |
394 |
schoenebeck |
3625 |
pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm), |
395 |
|
|
pRegion->LFO2Frequency, |
396 |
|
|
pRegion->LFO2Phase, |
397 |
schoenebeck |
3615 |
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
398 |
iliev |
2015 |
lfo2_internal_depth, |
399 |
|
|
pRegion->LFO2ControlDepth, |
400 |
|
|
pRegion->LFO2FlipPhase, |
401 |
|
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
402 |
schoenebeck |
3118 |
pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
403 |
schoenebeck |
3561 |
pLFO2->setScriptDepthFactor( |
404 |
|
|
pNote->Override.CutoffLFODepth.Value, |
405 |
|
|
pNote->Override.CutoffLFODepth.Final |
406 |
|
|
); |
407 |
|
|
if (pNote->Override.CutoffLFOFreq.isFinal()) |
408 |
|
|
pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
409 |
|
|
else |
410 |
|
|
pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
411 |
schoenebeck |
53 |
} |
412 |
|
|
} |
413 |
|
|
|
414 |
iliev |
2015 |
void Voice::InitLFO3() { |
415 |
|
|
uint16_t lfo3_internal_depth; |
416 |
|
|
switch (pRegion->LFO3Controller) { |
417 |
|
|
case ::gig::lfo3_ctrl_internal: |
418 |
|
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
419 |
|
|
pLFO3->ExtController = 0; // no external controller |
420 |
|
|
bLFO3Enabled = (lfo3_internal_depth > 0); |
421 |
schoenebeck |
53 |
break; |
422 |
iliev |
2015 |
case ::gig::lfo3_ctrl_modwheel: |
423 |
|
|
lfo3_internal_depth = 0; |
424 |
|
|
pLFO3->ExtController = 1; // MIDI controller 1 |
425 |
|
|
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
426 |
schoenebeck |
53 |
break; |
427 |
iliev |
2015 |
case ::gig::lfo3_ctrl_aftertouch: |
428 |
|
|
lfo3_internal_depth = 0; |
429 |
schoenebeck |
3017 |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
430 |
iliev |
2015 |
bLFO3Enabled = true; |
431 |
schoenebeck |
53 |
break; |
432 |
iliev |
2015 |
case ::gig::lfo3_ctrl_internal_modwheel: |
433 |
|
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
434 |
|
|
pLFO3->ExtController = 1; // MIDI controller 1 |
435 |
|
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
436 |
|
|
break; |
437 |
|
|
case ::gig::lfo3_ctrl_internal_aftertouch: |
438 |
|
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
439 |
schoenebeck |
3017 |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
440 |
iliev |
2015 |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
441 |
|
|
break; |
442 |
|
|
default: |
443 |
|
|
lfo3_internal_depth = 0; |
444 |
|
|
pLFO3->ExtController = 0; // no external controller |
445 |
|
|
bLFO3Enabled = false; |
446 |
schoenebeck |
53 |
} |
447 |
iliev |
2015 |
if (bLFO3Enabled) { |
448 |
schoenebeck |
3625 |
pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm), |
449 |
|
|
pRegion->LFO3Frequency, |
450 |
|
|
pRegion->LFO3Phase, |
451 |
schoenebeck |
3615 |
LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
452 |
iliev |
2015 |
lfo3_internal_depth, |
453 |
|
|
pRegion->LFO3ControlDepth, |
454 |
schoenebeck |
3625 |
pRegion->LFO3FlipPhase, |
455 |
iliev |
2015 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
456 |
schoenebeck |
3118 |
pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
457 |
schoenebeck |
3561 |
pLFO3->setScriptDepthFactor( |
458 |
|
|
pNote->Override.PitchLFODepth.Value, |
459 |
|
|
pNote->Override.PitchLFODepth.Final |
460 |
|
|
); |
461 |
|
|
if (pNote->Override.PitchLFOFreq.isFinal()) |
462 |
|
|
pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
463 |
|
|
else |
464 |
|
|
pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
465 |
schoenebeck |
738 |
} |
466 |
|
|
} |
467 |
persson |
2055 |
|
468 |
iliev |
2015 |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
469 |
|
|
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
470 |
|
|
if (pRegion->VCFKeyboardTracking) { |
471 |
schoenebeck |
2879 |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
472 |
schoenebeck |
53 |
} |
473 |
iliev |
2015 |
return cutoff; |
474 |
schoenebeck |
738 |
} |
475 |
schoenebeck |
53 |
|
476 |
schoenebeck |
3655 |
// This is just called when the voice is triggered. On any subsequent cutoff |
477 |
|
|
// controller changes ProcessCutoffEvent() is called instead. |
478 |
|
|
float Voice::CalculateFinalCutoff(float cutoffBase) { |
479 |
|
|
// if the selected filter type is an official GigaStudio filter type |
480 |
|
|
// then we preserve the original (no matter how odd) historical GSt |
481 |
|
|
// behaviour identically; for our own filter types though we deviate to |
482 |
|
|
// more meaningful behaviours where appropriate |
483 |
|
|
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
484 |
schoenebeck |
3646 |
|
485 |
schoenebeck |
3655 |
// get current cutoff CC or velocity value (always 0..127) |
486 |
|
|
float cvalue; |
487 |
iliev |
2015 |
if (VCFCutoffCtrl.controller) { |
488 |
|
|
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
489 |
|
|
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
490 |
schoenebeck |
3655 |
if (isGStFilter) { |
491 |
|
|
// VCFVelocityScale in this case means "minimum cutoff" for GSt |
492 |
|
|
if (cvalue < MinCutoff()) cvalue = MinCutoff(); |
493 |
|
|
} else { |
494 |
|
|
// for our own filter types we interpret "minimum cutoff" |
495 |
|
|
// differently: GSt handles this as a simple hard limit with the |
496 |
|
|
// consequence that a certain range of the controller is simply |
497 |
|
|
// dead; so for our filter types we rather remap that to |
498 |
|
|
// restrain within the min_cutoff..127 range as well, but |
499 |
|
|
// effectively spanned over the entire controller range (0..127) |
500 |
|
|
// to avoid such a "dead" lower controller zone |
501 |
|
|
cvalue = MinCutoff() + (cvalue / 127.f) * float(127 - MinCutoff()); |
502 |
|
|
} |
503 |
|
|
} else { |
504 |
|
|
// in case of velocity, VCFVelocityScale parameter is already |
505 |
|
|
// handled on libgig side (so by calling |
506 |
|
|
// pRegion->GetVelocityCutoff(velo) in CalculateCutoffBase() above) |
507 |
iliev |
2015 |
cvalue = pRegion->VCFCutoff; |
508 |
persson |
1748 |
} |
509 |
schoenebeck |
3655 |
|
510 |
|
|
float fco = cutoffBase * cvalue; |
511 |
iliev |
2015 |
if (fco > 127.0f) fco = 127.0f; |
512 |
persson |
796 |
|
513 |
schoenebeck |
3646 |
// the filter implementations of the original GSt filter types take an |
514 |
|
|
// abstract cutoff parameter range of 0..127, ... |
515 |
schoenebeck |
3655 |
if (isGStFilter) |
516 |
schoenebeck |
3646 |
return fco; |
517 |
|
|
|
518 |
|
|
// ... whereas our own filter types take a cutoff parameter in Hz, so |
519 |
schoenebeck |
3652 |
// remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
520 |
schoenebeck |
3646 |
fco = (fco + 29.f) / (127.f + 29.f); |
521 |
|
|
fco = fco * fco * fco * fco * 18000.f; |
522 |
|
|
if (fco > 0.49f * pEngine->SampleRate) |
523 |
|
|
fco = 0.49f * pEngine->SampleRate; |
524 |
iliev |
2015 |
return fco; |
525 |
|
|
} |
526 |
persson |
768 |
|
527 |
iliev |
2015 |
uint8_t Voice::GetVCFCutoffCtrl() { |
528 |
|
|
uint8_t ctrl; |
529 |
|
|
switch (pRegion->VCFCutoffController) { |
530 |
|
|
case ::gig::vcf_cutoff_ctrl_modwheel: |
531 |
|
|
ctrl = 1; |
532 |
|
|
break; |
533 |
|
|
case ::gig::vcf_cutoff_ctrl_effect1: |
534 |
|
|
ctrl = 12; |
535 |
|
|
break; |
536 |
|
|
case ::gig::vcf_cutoff_ctrl_effect2: |
537 |
|
|
ctrl = 13; |
538 |
|
|
break; |
539 |
|
|
case ::gig::vcf_cutoff_ctrl_breath: |
540 |
|
|
ctrl = 2; |
541 |
|
|
break; |
542 |
|
|
case ::gig::vcf_cutoff_ctrl_foot: |
543 |
|
|
ctrl = 4; |
544 |
|
|
break; |
545 |
|
|
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
546 |
|
|
ctrl = 64; |
547 |
|
|
break; |
548 |
|
|
case ::gig::vcf_cutoff_ctrl_softpedal: |
549 |
|
|
ctrl = 67; |
550 |
|
|
break; |
551 |
|
|
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
552 |
|
|
ctrl = 82; |
553 |
|
|
break; |
554 |
|
|
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
555 |
|
|
ctrl = 83; |
556 |
|
|
break; |
557 |
|
|
case ::gig::vcf_cutoff_ctrl_aftertouch: |
558 |
schoenebeck |
3017 |
ctrl = CTRL_TABLE_IDX_AFTERTOUCH; |
559 |
iliev |
2015 |
break; |
560 |
|
|
case ::gig::vcf_cutoff_ctrl_none: |
561 |
|
|
default: |
562 |
|
|
ctrl = 0; |
563 |
|
|
break; |
564 |
schoenebeck |
53 |
} |
565 |
|
|
|
566 |
iliev |
2015 |
return ctrl; |
567 |
schoenebeck |
829 |
} |
568 |
|
|
|
569 |
iliev |
2015 |
uint8_t Voice::GetVCFResonanceCtrl() { |
570 |
|
|
uint8_t ctrl; |
571 |
|
|
switch (pRegion->VCFResonanceController) { |
572 |
|
|
case ::gig::vcf_res_ctrl_genpurpose3: |
573 |
|
|
ctrl = 18; |
574 |
|
|
break; |
575 |
|
|
case ::gig::vcf_res_ctrl_genpurpose4: |
576 |
|
|
ctrl = 19; |
577 |
|
|
break; |
578 |
|
|
case ::gig::vcf_res_ctrl_genpurpose5: |
579 |
|
|
ctrl = 80; |
580 |
|
|
break; |
581 |
|
|
case ::gig::vcf_res_ctrl_genpurpose6: |
582 |
|
|
ctrl = 81; |
583 |
|
|
break; |
584 |
|
|
case ::gig::vcf_res_ctrl_none: |
585 |
|
|
default: |
586 |
|
|
ctrl = 0; |
587 |
schoenebeck |
53 |
} |
588 |
|
|
|
589 |
iliev |
2015 |
return ctrl; |
590 |
schoenebeck |
239 |
} |
591 |
|
|
|
592 |
persson |
2055 |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
593 |
schoenebeck |
3328 |
EG1.setStateOptions( |
594 |
|
|
pRegion->EG1Options.AttackCancel, |
595 |
|
|
pRegion->EG1Options.AttackHoldCancel, |
596 |
|
|
pRegion->EG1Options.Decay1Cancel, |
597 |
|
|
pRegion->EG1Options.Decay2Cancel, |
598 |
|
|
pRegion->EG1Options.ReleaseCancel |
599 |
|
|
); |
600 |
persson |
2203 |
EG1.trigger(pRegion->EG1PreAttack, |
601 |
schoenebeck |
3588 |
(pNote && pNote->Override.Attack.isFinal()) ? |
602 |
|
|
pNote->Override.Attack.Value : |
603 |
|
|
RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack, |
604 |
persson |
2203 |
pRegion->EG1Hold, |
605 |
schoenebeck |
3588 |
(pNote && pNote->Override.Decay.isFinal()) ? |
606 |
|
|
pNote->Override.Decay.Value : |
607 |
|
|
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
608 |
|
|
(pNote && pNote->Override.Decay.isFinal()) ? |
609 |
|
|
pNote->Override.Decay.Value : |
610 |
|
|
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
611 |
persson |
2203 |
pRegion->EG1InfiniteSustain, |
612 |
schoenebeck |
3561 |
(pNote && pNote->Override.Sustain.Final) ? |
613 |
schoenebeck |
3588 |
uint(pNote->Override.Sustain.Value * 1000.f) : |
614 |
schoenebeck |
3561 |
pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f), |
615 |
schoenebeck |
3588 |
(pNote && pNote->Override.Release.isFinal()) ? |
616 |
|
|
pNote->Override.Release.Value : |
617 |
|
|
RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release, |
618 |
persson |
2055 |
velocityAttenuation, |
619 |
|
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
620 |
|
|
} |
621 |
persson |
2114 |
|
622 |
persson |
2175 |
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
623 |
schoenebeck |
3328 |
EG2.setStateOptions( |
624 |
|
|
pRegion->EG2Options.AttackCancel, |
625 |
|
|
pRegion->EG2Options.AttackHoldCancel, |
626 |
|
|
pRegion->EG2Options.Decay1Cancel, |
627 |
|
|
pRegion->EG2Options.Decay2Cancel, |
628 |
|
|
pRegion->EG2Options.ReleaseCancel |
629 |
|
|
); |
630 |
persson |
2175 |
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
631 |
schoenebeck |
3588 |
(pNote && pNote->Override.CutoffAttack.isFinal()) ? |
632 |
|
|
pNote->Override.CutoffAttack.Value : |
633 |
|
|
RgnInfo.EG2Attack * egInfo.Attack, |
634 |
persson |
2175 |
false, |
635 |
schoenebeck |
3588 |
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
636 |
|
|
pNote->Override.CutoffDecay.Value : |
637 |
|
|
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
638 |
|
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
639 |
|
|
pNote->Override.CutoffDecay.Value : |
640 |
|
|
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
641 |
persson |
2175 |
RgnInfo.EG2InfiniteSustain, |
642 |
schoenebeck |
3588 |
(pNote && pNote->Override.CutoffSustain.Final) ? |
643 |
|
|
uint(pNote->Override.CutoffSustain.Value * 1000.f) : |
644 |
|
|
uint(RgnInfo.EG2Sustain), |
645 |
|
|
(pNote && pNote->Override.CutoffRelease.isFinal()) ? |
646 |
|
|
pNote->Override.CutoffRelease.Value : |
647 |
|
|
RgnInfo.EG2Release * egInfo.Release * velrelease, |
648 |
persson |
2175 |
velocityAttenuation, |
649 |
|
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
650 |
|
|
} |
651 |
|
|
|
652 |
persson |
2114 |
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
653 |
persson |
2837 |
dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type)); |
654 |
persson |
2114 |
|
655 |
|
|
// TODO: The SustainPedal condition could be wrong, maybe the |
656 |
|
|
// check should be if this Voice is in release stage or is a |
657 |
|
|
// release sample instead. Need to test this in GSt. |
658 |
schoenebeck |
2396 |
// -- Andreas |
659 |
|
|
// |
660 |
|
|
// Commented sustain pedal check out. I don't think voices of the same |
661 |
|
|
// note should be stopped at all, because it doesn't sound naturally |
662 |
|
|
// with a drumkit. |
663 |
|
|
// -- Christian, 2013-01-08 |
664 |
schoenebeck |
2879 |
if (itEvent->Param.Note.Key != HostKey() /*|| |
665 |
schoenebeck |
2396 |
!GetGigEngineChannel()->SustainPedal*/) { |
666 |
persson |
2837 |
dmsg(4,("Voice %p - kill", (void*)this)); |
667 |
persson |
2114 |
|
668 |
|
|
// kill the voice fast |
669 |
|
|
pEG1->enterFadeOutStage(); |
670 |
|
|
} |
671 |
|
|
} |
672 |
|
|
|
673 |
persson |
2327 |
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
674 |
|
|
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
675 |
|
|
} |
676 |
|
|
|
677 |
persson |
2382 |
int Voice::CalculatePan(uint8_t pan) { |
678 |
|
|
int p; |
679 |
|
|
// Gst behaviour: -64 and 63 are special cases |
680 |
|
|
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
681 |
|
|
else if (RgnInfo.Pan == 63) p = pan * 2; |
682 |
|
|
else p = pan + RgnInfo.Pan; |
683 |
|
|
|
684 |
|
|
if (p < 0) return 0; |
685 |
|
|
if (p > 127) return 127; |
686 |
|
|
return p; |
687 |
|
|
} |
688 |
|
|
|
689 |
schoenebeck |
3444 |
release_trigger_t Voice::GetReleaseTriggerFlags() { |
690 |
schoenebeck |
3448 |
release_trigger_t flags = |
691 |
|
|
(pRegion->NoNoteOffReleaseTrigger) ? |
692 |
|
|
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 |
693 |
schoenebeck |
3444 |
switch (pRegion->SustainReleaseTrigger) { |
694 |
|
|
case ::gig::sust_rel_trg_none: |
695 |
|
|
break; |
696 |
|
|
case ::gig::sust_rel_trg_maxvelocity: |
697 |
|
|
flags |= release_trigger_sustain_maxvelocity; |
698 |
|
|
break; |
699 |
|
|
case ::gig::sust_rel_trg_keyvelocity: |
700 |
|
|
flags |= release_trigger_sustain_keyvelocity; |
701 |
|
|
break; |
702 |
|
|
} |
703 |
|
|
return flags; |
704 |
|
|
} |
705 |
|
|
|
706 |
schoenebeck |
53 |
}} // namespace LinuxSampler::gig |