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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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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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* Copyright (C) 2009 - 2012 Christian Schoenebeck and Grigor Iliev * |
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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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|
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#include "../../common/Features.h" |
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#include "Synthesizer.h" |
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#include "Profiler.h" |
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#include "Engine.h" |
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#include "EngineChannel.h" |
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|
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#include "Voice.h" |
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|
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namespace LinuxSampler { namespace gig { |
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|
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Voice::Voice() { |
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pEngine = NULL; |
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pEG1 = &EG1; |
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pEG2 = &EG2; |
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} |
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|
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Voice::~Voice() { |
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} |
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|
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EngineChannel* Voice::GetGigEngineChannel() { |
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return static_cast<EngineChannel*>(pEngineChannel); |
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} |
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|
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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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dmsg(6,("Voice::SetEngine()\n")); |
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} |
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|
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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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si.TotalFrameCount = pSample->SamplesTotal; |
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|
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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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|
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return si; |
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} |
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|
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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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|
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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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|
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ri.EG3Attack = pRegion->EG3Attack; |
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ri.EG3Depth = pRegion->EG3Depth; |
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ri.VCFEnabled = pRegion->VCFEnabled; |
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ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
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ri.VCFResonance = pRegion->VCFResonance; |
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|
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ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
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|
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return ri; |
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} |
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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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|
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return ii; |
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} |
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|
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double Voice::GetSampleAttenuation() { |
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return pRegion->SampleAttenuation; |
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} |
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|
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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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|
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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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|
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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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} |
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} |
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|
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void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
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int ccvalue = itEvent->Param.CC.Value; |
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if (VCFCutoffCtrl.value == ccvalue) return; |
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VCFCutoffCtrl.value = ccvalue; |
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if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
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if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale; |
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float cutoff = CutoffBase * float(ccvalue); |
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if (cutoff > 127.0f) cutoff = 127.0f; |
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|
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VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
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fFinalCutoff = cutoff; |
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} |
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|
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double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
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float crossfadeVolume; |
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switch (pRegion->AttenuationController.type) { |
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case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
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crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
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break; |
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case ::gig::attenuation_ctrl_t::type_velocity: |
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crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
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break; |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
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crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
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break; |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
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default: |
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crossfadeVolume = 1.0f; |
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} |
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|
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return crossfadeVolume; |
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} |
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|
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double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
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double eg1controllervalue = 0; |
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switch (pRegion->EG1Controller.type) { |
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case ::gig::eg1_ctrl_t::type_none: // no controller defined |
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eg1controllervalue = 0; |
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break; |
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case ::gig::eg1_ctrl_t::type_channelaftertouch: |
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eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
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break; |
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case ::gig::eg1_ctrl_t::type_velocity: |
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eg1controllervalue = MIDIKeyVelocity; |
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break; |
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case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
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eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
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break; |
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} |
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if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
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|
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return eg1controllervalue; |
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} |
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|
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Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
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EGInfo eg; |
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// (eg1attack is different from the others) |
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eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
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1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
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1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
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eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
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eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
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|
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return eg; |
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} |
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|
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double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
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double eg2controllervalue = 0; |
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switch (pRegion->EG2Controller.type) { |
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case ::gig::eg2_ctrl_t::type_none: // no controller defined |
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eg2controllervalue = 0; |
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break; |
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case ::gig::eg2_ctrl_t::type_channelaftertouch: |
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eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
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break; |
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case ::gig::eg2_ctrl_t::type_velocity: |
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eg2controllervalue = MIDIKeyVelocity; |
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break; |
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case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
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eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
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break; |
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} |
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if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
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|
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return eg2controllervalue; |
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} |
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|
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Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
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EGInfo eg; |
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eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
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eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
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eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
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|
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return eg; |
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} |
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|
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void Voice::InitLFO1() { |
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uint16_t lfo1_internal_depth; |
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switch (pRegion->LFO1Controller) { |
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case ::gig::lfo1_ctrl_internal: |
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lfo1_internal_depth = pRegion->LFO1InternalDepth; |
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pLFO1->ExtController = 0; // no external controller |
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bLFO1Enabled = (lfo1_internal_depth > 0); |
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break; |
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case ::gig::lfo1_ctrl_modwheel: |
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lfo1_internal_depth = 0; |
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pLFO1->ExtController = 1; // MIDI controller 1 |
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bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
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break; |
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case ::gig::lfo1_ctrl_breath: |
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lfo1_internal_depth = 0; |
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pLFO1->ExtController = 2; // MIDI controller 2 |
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bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
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break; |
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case ::gig::lfo1_ctrl_internal_modwheel: |
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lfo1_internal_depth = pRegion->LFO1InternalDepth; |
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pLFO1->ExtController = 1; // MIDI controller 1 |
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bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
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break; |
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case ::gig::lfo1_ctrl_internal_breath: |
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lfo1_internal_depth = pRegion->LFO1InternalDepth; |
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pLFO1->ExtController = 2; // MIDI controller 2 |
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bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
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break; |
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default: |
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lfo1_internal_depth = 0; |
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pLFO1->ExtController = 0; // no external controller |
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bLFO1Enabled = false; |
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} |
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if (bLFO1Enabled) { |
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pLFO1->trigger(pRegion->LFO1Frequency, |
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start_level_min, |
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lfo1_internal_depth, |
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pRegion->LFO1ControlDepth, |
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pRegion->LFO1FlipPhase, |
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pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
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pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
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} |
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} |
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|
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void Voice::InitLFO2() { |
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uint16_t lfo2_internal_depth; |
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switch (pRegion->LFO2Controller) { |
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case ::gig::lfo2_ctrl_internal: |
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lfo2_internal_depth = pRegion->LFO2InternalDepth; |
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pLFO2->ExtController = 0; // no external controller |
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bLFO2Enabled = (lfo2_internal_depth > 0); |
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break; |
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case ::gig::lfo2_ctrl_modwheel: |
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lfo2_internal_depth = 0; |
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pLFO2->ExtController = 1; // MIDI controller 1 |
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bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
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break; |
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case ::gig::lfo2_ctrl_foot: |
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lfo2_internal_depth = 0; |
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pLFO2->ExtController = 4; // MIDI controller 4 |
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bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
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break; |
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case ::gig::lfo2_ctrl_internal_modwheel: |
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lfo2_internal_depth = pRegion->LFO2InternalDepth; |
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pLFO2->ExtController = 1; // MIDI controller 1 |
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bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
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break; |
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case ::gig::lfo2_ctrl_internal_foot: |
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lfo2_internal_depth = pRegion->LFO2InternalDepth; |
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pLFO2->ExtController = 4; // MIDI controller 4 |
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bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
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break; |
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default: |
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lfo2_internal_depth = 0; |
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pLFO2->ExtController = 0; // no external controller |
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bLFO2Enabled = false; |
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} |
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if (bLFO2Enabled) { |
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pLFO2->trigger(pRegion->LFO2Frequency, |
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start_level_max, |
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lfo2_internal_depth, |
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pRegion->LFO2ControlDepth, |
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pRegion->LFO2FlipPhase, |
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pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
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pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
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} |
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} |
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|
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void Voice::InitLFO3() { |
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uint16_t lfo3_internal_depth; |
313 |
switch (pRegion->LFO3Controller) { |
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case ::gig::lfo3_ctrl_internal: |
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lfo3_internal_depth = pRegion->LFO3InternalDepth; |
316 |
pLFO3->ExtController = 0; // no external controller |
317 |
bLFO3Enabled = (lfo3_internal_depth > 0); |
318 |
break; |
319 |
case ::gig::lfo3_ctrl_modwheel: |
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lfo3_internal_depth = 0; |
321 |
pLFO3->ExtController = 1; // MIDI controller 1 |
322 |
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
323 |
break; |
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case ::gig::lfo3_ctrl_aftertouch: |
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lfo3_internal_depth = 0; |
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pLFO3->ExtController = 128; |
327 |
bLFO3Enabled = true; |
328 |
break; |
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case ::gig::lfo3_ctrl_internal_modwheel: |
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lfo3_internal_depth = pRegion->LFO3InternalDepth; |
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pLFO3->ExtController = 1; // MIDI controller 1 |
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bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
333 |
break; |
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case ::gig::lfo3_ctrl_internal_aftertouch: |
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lfo3_internal_depth = pRegion->LFO3InternalDepth; |
336 |
pLFO3->ExtController = 128; |
337 |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
338 |
break; |
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default: |
340 |
lfo3_internal_depth = 0; |
341 |
pLFO3->ExtController = 0; // no external controller |
342 |
bLFO3Enabled = false; |
343 |
} |
344 |
if (bLFO3Enabled) { |
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pLFO3->trigger(pRegion->LFO3Frequency, |
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start_level_mid, |
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lfo3_internal_depth, |
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pRegion->LFO3ControlDepth, |
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false, |
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pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
351 |
pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
352 |
} |
353 |
} |
354 |
|
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float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
356 |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
357 |
if (pRegion->VCFKeyboardTracking) { |
358 |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
359 |
} |
360 |
return cutoff; |
361 |
} |
362 |
|
363 |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
364 |
int cvalue; |
365 |
if (VCFCutoffCtrl.controller) { |
366 |
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
367 |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
368 |
// VCFVelocityScale in this case means Minimum cutoff |
369 |
if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; |
370 |
} |
371 |
else { |
372 |
cvalue = pRegion->VCFCutoff; |
373 |
} |
374 |
float fco = cutoffBase * float(cvalue); |
375 |
if (fco > 127.0f) fco = 127.0f; |
376 |
|
377 |
return fco; |
378 |
} |
379 |
|
380 |
uint8_t Voice::GetVCFCutoffCtrl() { |
381 |
uint8_t ctrl; |
382 |
switch (pRegion->VCFCutoffController) { |
383 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
384 |
ctrl = 1; |
385 |
break; |
386 |
case ::gig::vcf_cutoff_ctrl_effect1: |
387 |
ctrl = 12; |
388 |
break; |
389 |
case ::gig::vcf_cutoff_ctrl_effect2: |
390 |
ctrl = 13; |
391 |
break; |
392 |
case ::gig::vcf_cutoff_ctrl_breath: |
393 |
ctrl = 2; |
394 |
break; |
395 |
case ::gig::vcf_cutoff_ctrl_foot: |
396 |
ctrl = 4; |
397 |
break; |
398 |
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
399 |
ctrl = 64; |
400 |
break; |
401 |
case ::gig::vcf_cutoff_ctrl_softpedal: |
402 |
ctrl = 67; |
403 |
break; |
404 |
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
405 |
ctrl = 82; |
406 |
break; |
407 |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
408 |
ctrl = 83; |
409 |
break; |
410 |
case ::gig::vcf_cutoff_ctrl_aftertouch: |
411 |
ctrl = 128; |
412 |
break; |
413 |
case ::gig::vcf_cutoff_ctrl_none: |
414 |
default: |
415 |
ctrl = 0; |
416 |
break; |
417 |
} |
418 |
|
419 |
return ctrl; |
420 |
} |
421 |
|
422 |
uint8_t Voice::GetVCFResonanceCtrl() { |
423 |
uint8_t ctrl; |
424 |
switch (pRegion->VCFResonanceController) { |
425 |
case ::gig::vcf_res_ctrl_genpurpose3: |
426 |
ctrl = 18; |
427 |
break; |
428 |
case ::gig::vcf_res_ctrl_genpurpose4: |
429 |
ctrl = 19; |
430 |
break; |
431 |
case ::gig::vcf_res_ctrl_genpurpose5: |
432 |
ctrl = 80; |
433 |
break; |
434 |
case ::gig::vcf_res_ctrl_genpurpose6: |
435 |
ctrl = 81; |
436 |
break; |
437 |
case ::gig::vcf_res_ctrl_none: |
438 |
default: |
439 |
ctrl = 0; |
440 |
} |
441 |
|
442 |
return ctrl; |
443 |
} |
444 |
|
445 |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
446 |
EG1.trigger(pRegion->EG1PreAttack, |
447 |
pRegion->EG1Attack * egInfo.Attack, |
448 |
pRegion->EG1Hold, |
449 |
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
450 |
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
451 |
pRegion->EG1InfiniteSustain, |
452 |
pRegion->EG1Sustain, |
453 |
pRegion->EG1Release * egInfo.Release * velrelease, |
454 |
velocityAttenuation, |
455 |
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
456 |
} |
457 |
|
458 |
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
459 |
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
460 |
RgnInfo.EG2Attack * egInfo.Attack, |
461 |
false, |
462 |
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
463 |
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
464 |
RgnInfo.EG2InfiniteSustain, |
465 |
uint(RgnInfo.EG2Sustain), |
466 |
RgnInfo.EG2Release * egInfo.Release * velrelease, |
467 |
velocityAttenuation, |
468 |
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
469 |
} |
470 |
|
471 |
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
472 |
dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type)); |
473 |
|
474 |
// TODO: The SustainPedal condition could be wrong, maybe the |
475 |
// check should be if this Voice is in release stage or is a |
476 |
// release sample instead. Need to test this in GSt. |
477 |
if (itEvent->Param.Note.Key != MIDIKey || |
478 |
!GetGigEngineChannel()->SustainPedal) { |
479 |
dmsg(4,("Voice %x - kill", this)); |
480 |
|
481 |
// kill the voice fast |
482 |
pEG1->enterFadeOutStage(); |
483 |
} |
484 |
} |
485 |
|
486 |
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
487 |
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
488 |
} |
489 |
|
490 |
}} // namespace LinuxSampler::gig |