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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 - 2010 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 "Voice.h" |
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|
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#include "Engine.h" |
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#include "EngineChannel.h" |
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|
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namespace LinuxSampler { namespace sfz { |
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|
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Voice::Voice() { |
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pEngine = NULL; |
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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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|
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EngineChannel* Voice::GetSfzEngineChannel() { |
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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->GetSampleRate(); |
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si.ChannelCount = pSample->GetChannelCount(); |
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si.FrameSize = pSample->GetFrameSize(); |
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si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8; |
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si.TotalFrameCount = pSample->GetTotalFrameCount(); |
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|
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si.HasLoops = pRegion->HasLoop(); |
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si.LoopStart = pRegion->GetLoopStart(); |
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si.LoopLength = pRegion->GetLoopEnd() - pRegion->GetLoopStart(); |
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si.LoopPlayCount = pRegion->GetLoopCount(); |
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si.Unpitched = pRegion->pitch_keytrack == 0; |
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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->pitch_keycenter; |
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ri.FineTune = pRegion->tune; |
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ri.Pan = int(pRegion->pan * 0.63); // convert from -100..100 to -64..63 |
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ri.SampleStartOffset = 0; // TODO: |
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|
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ri.EG1PreAttack = pRegion->ampeg_start * 10; |
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ri.EG1Attack = pRegion->ampeg_attack; |
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ri.EG1Hold = pRegion->ampeg_hold; |
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ri.EG1Decay1 = pRegion->ampeg_decay; |
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ri.EG1Decay2 = pRegion->ampeg_decay; |
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ri.EG1Sustain = pRegion->ampeg_sustain * 10; |
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ri.EG1InfiniteSustain = true; |
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ri.EG1Release = pRegion->ampeg_release; |
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|
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ri.EG2PreAttack = pRegion->fileg_start * 10; |
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ri.EG2Attack = pRegion->fileg_attack; |
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//ri.EG2Hold = pRegion->fileg_hold; // TODO: |
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ri.EG2Decay1 = pRegion->fileg_decay; |
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ri.EG2Decay2 = pRegion->fileg_decay; |
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ri.EG2Sustain = pRegion->fileg_sustain * 10; |
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ri.EG2InfiniteSustain = true; |
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ri.EG2Release = pRegion->fileg_release; |
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|
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ri.EG3Attack = pRegion->pitcheg_attack; |
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ri.EG3Depth = 0; // TODO: |
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ri.VCFEnabled = false; // TODO: |
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ri.VCFType = ::gig::vcf_type_lowpass; // TODO: |
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ri.VCFResonance = 0; // TODO: |
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|
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// rt_decay is in dB. Precalculate a suitable value for exp in |
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// GetReleaseTriggerAttenuation: -ln(10) / 20 * rt_decay |
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ri.ReleaseTriggerDecay = -0.115129254649702 * pRegion->rt_decay; |
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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 = 0; // TODO: |
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ii.PitchbendRange = 2; // TODO: |
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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 1.0; // TODO: |
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} |
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|
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double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { |
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return double(MIDIKeyVelocity) / 127.0f; // TODO: |
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} |
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|
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double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
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return 0.9; // TODO: |
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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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}*/ // TODO: ^^^ |
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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;*/ // TODO: ^^^ |
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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(GetSfzEngineChannel()->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(GetSfzEngineChannel()->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;*/ // TODO: ^^^ |
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return 1.0f; |
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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 = GetSfzEngineChannel()->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 = GetSfzEngineChannel()->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;*/ // TODO: ^^^ |
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return 0; |
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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;*/ // TODO: ^^^ |
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EGInfo eg; |
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eg.Attack = 1.0; |
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eg.Decay = 1.0; |
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eg.Release = 1.0; |
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return eg; |
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} |
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|
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void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
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|
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// TODO: controller modulation |
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|
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// first check if there is a v2 EG for amplitude |
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for (int i = 0 ; i < pRegion->eg.size() ; i++) { |
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if (pRegion->eg[i].amplitude > 0) { |
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// TODO: actually use the value of the amplitude parameter |
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pEG1 = &EG1; |
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EG1.trigger(pRegion->eg[i], sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE, velocity); |
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return; |
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} |
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} |
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|
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// otherwise use the v1 EGADSR |
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pEG1 = &EGADSR1; |
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EGADSR1.trigger(uint(RgnInfo.EG1PreAttack), |
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RgnInfo.EG1Attack, |
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RgnInfo.EG1Hold, |
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RgnInfo.EG1Decay1, |
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uint(RgnInfo.EG1Sustain), |
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RgnInfo.EG1Release, |
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sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
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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 = GetSfzEngineChannel()->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 = GetSfzEngineChannel()->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;*/ // TODO: ^^^ |
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return 0; |
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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;*/ // TODO: ^^^ |
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EGInfo eg; |
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eg.Attack = 1.0; |
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eg.Decay = 1.0; |
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eg.Release = 1.0; |
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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 ? GetSfzEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
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}*/ // TODO: ^^^ |
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bLFO1Enabled = false; |
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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 ? GetSfzEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
354 |
}*/ // TODO: ^^^ |
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bLFO2Enabled = false; |
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} |
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|
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void Voice::InitLFO3() { |
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/*uint16_t lfo3_internal_depth; |
360 |
switch (pRegion->LFO3Controller) { |
361 |
case ::gig::lfo3_ctrl_internal: |
362 |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
363 |
pLFO3->ExtController = 0; // no external controller |
364 |
bLFO3Enabled = (lfo3_internal_depth > 0); |
365 |
break; |
366 |
case ::gig::lfo3_ctrl_modwheel: |
367 |
lfo3_internal_depth = 0; |
368 |
pLFO3->ExtController = 1; // MIDI controller 1 |
369 |
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
370 |
break; |
371 |
case ::gig::lfo3_ctrl_aftertouch: |
372 |
lfo3_internal_depth = 0; |
373 |
pLFO3->ExtController = 128; |
374 |
bLFO3Enabled = true; |
375 |
break; |
376 |
case ::gig::lfo3_ctrl_internal_modwheel: |
377 |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
378 |
pLFO3->ExtController = 1; // MIDI controller 1 |
379 |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
380 |
break; |
381 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
382 |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
383 |
pLFO1->ExtController = 128; |
384 |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
385 |
break; |
386 |
default: |
387 |
lfo3_internal_depth = 0; |
388 |
pLFO3->ExtController = 0; // no external controller |
389 |
bLFO3Enabled = false; |
390 |
} |
391 |
if (bLFO3Enabled) { |
392 |
pLFO3->trigger(pRegion->LFO3Frequency, |
393 |
start_level_mid, |
394 |
lfo3_internal_depth, |
395 |
pRegion->LFO3ControlDepth, |
396 |
false, |
397 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
398 |
pLFO3->update(pLFO3->ExtController ? GetSfzEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
399 |
}*/ // TODO: ^^^ |
400 |
bLFO3Enabled = false; |
401 |
} |
402 |
|
403 |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
404 |
/*float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
405 |
if (pRegion->VCFKeyboardTracking) { |
406 |
cutoff *= exp((MIDIKeyVelocity - pRegion->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) |
407 |
} |
408 |
return cutoff;*/ // TODO: ^^^ |
409 |
return 1.0f; |
410 |
} |
411 |
|
412 |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
413 |
/*int cvalue; |
414 |
if (VCFCutoffCtrl.controller) { |
415 |
cvalue = GetSfzEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
416 |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
417 |
// VCFVelocityScale in this case means Minimum cutoff |
418 |
if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; |
419 |
} |
420 |
else { |
421 |
cvalue = pRegion->VCFCutoff; |
422 |
} |
423 |
float fco = cutoffBase * float(cvalue); |
424 |
if (fco > 127.0f) fco = 127.0f; |
425 |
|
426 |
return fco;*/ // TODO: ^^^ |
427 |
return 127.0f; |
428 |
} |
429 |
|
430 |
uint8_t Voice::GetVCFCutoffCtrl() { |
431 |
/*uint8_t ctrl; |
432 |
switch (pRegion->VCFCutoffController) { |
433 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
434 |
ctrl = 1; |
435 |
break; |
436 |
case ::gig::vcf_cutoff_ctrl_effect1: |
437 |
ctrl = 12; |
438 |
break; |
439 |
case ::gig::vcf_cutoff_ctrl_effect2: |
440 |
ctrl = 13; |
441 |
break; |
442 |
case ::gig::vcf_cutoff_ctrl_breath: |
443 |
ctrl = 2; |
444 |
break; |
445 |
case ::gig::vcf_cutoff_ctrl_foot: |
446 |
ctrl = 4; |
447 |
break; |
448 |
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
449 |
ctrl = 64; |
450 |
break; |
451 |
case ::gig::vcf_cutoff_ctrl_softpedal: |
452 |
ctrl = 67; |
453 |
break; |
454 |
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
455 |
ctrl = 82; |
456 |
break; |
457 |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
458 |
ctrl = 83; |
459 |
break; |
460 |
case ::gig::vcf_cutoff_ctrl_aftertouch: |
461 |
ctrl = 128; |
462 |
break; |
463 |
case ::gig::vcf_cutoff_ctrl_none: |
464 |
default: |
465 |
ctrl = 0; |
466 |
break; |
467 |
} |
468 |
|
469 |
return ctrl;*/ // TODO: ^^^ |
470 |
return 0; |
471 |
} |
472 |
|
473 |
uint8_t Voice::GetVCFResonanceCtrl() { |
474 |
/*uint8_t ctrl; |
475 |
switch (pRegion->VCFResonanceController) { |
476 |
case ::gig::vcf_res_ctrl_genpurpose3: |
477 |
ctrl = 18; |
478 |
break; |
479 |
case ::gig::vcf_res_ctrl_genpurpose4: |
480 |
ctrl = 19; |
481 |
break; |
482 |
case ::gig::vcf_res_ctrl_genpurpose5: |
483 |
ctrl = 80; |
484 |
break; |
485 |
case ::gig::vcf_res_ctrl_genpurpose6: |
486 |
ctrl = 81; |
487 |
break; |
488 |
case ::gig::vcf_res_ctrl_none: |
489 |
default: |
490 |
ctrl = 0; |
491 |
} |
492 |
|
493 |
return ctrl;*/ // TODO: ^^^ |
494 |
return 0; |
495 |
} |
496 |
|
497 |
float Voice::GetReleaseTriggerAttenuation(float noteLength) { |
498 |
// pow(10, -rt_decay * noteLength / 20): |
499 |
return expf(RgnInfo.ReleaseTriggerDecay * noteLength); |
500 |
} |
501 |
|
502 |
}} // namespace LinuxSampler::sfz |