/*************************************************************************** * * * LinuxSampler - modular, streaming capable sampler * * * * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * * Copyright (C) 2005 - 2008 Christian Schoenebeck * * Copyright (C) 2009 - 2011 Christian Schoenebeck and Grigor Iliev * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * * MA 02111-1307 USA * ***************************************************************************/ #include "Voice.h" #include "Engine.h" #include "EngineChannel.h" namespace LinuxSampler { namespace sf2 { typedef LinuxSampler::VoiceBase SF2Voice; Voice::Voice(): SignalRack(this), SF2Voice(&SignalRack) { pEngine = NULL; pEG1 = NULL; pEG2 = NULL; } Voice::~Voice() { } void Voice::AboutToTrigger() { } EngineChannel* Voice::GetSf2EngineChannel() { return static_cast(pEngineChannel); } void Voice::SetEngine(LinuxSampler::Engine* pEngine) { Engine* engine = static_cast(pEngine); this->pEngine = engine; this->pDiskThread = engine->pDiskThread; dmsg(6,("Voice::SetEngine()\n")); } Voice::SampleInfo Voice::GetSampleInfo() { SampleInfo si; si.SampleRate = pSample->SampleRate; si.ChannelCount = pSample->GetChannelCount(); si.FrameSize = pSample->GetFrameSize(); si.BitDepth = (pSample->GetFrameSize() / pSample->GetChannelCount()) * 8; si.TotalFrameCount = pSample->GetTotalFrameCount(); si.HasLoops = pRegion->HasLoop; si.LoopStart = (si.HasLoops) ? pRegion->LoopStart : 0; si.LoopLength = (si.HasLoops) ? ((pRegion->LoopEnd) - pRegion->LoopStart): 0; si.LoopPlayCount = 0; // TODO: si.Unpitched = pSample->IsUnpitched(); return si; } Voice::RegionInfo Voice::GetRegionInfo() { ::sf2::Region* reg = NULL; ::sf2::Preset* preset = GetSf2EngineChannel()->pInstrument; for (int i = 0; i < preset->GetRegionCount(); i++) { // TODO: some optimization? if (preset->GetRegion(i)->pInstrument == pRegion->GetParentInstrument()) { reg = preset->GetRegion(i); // TODO: Can the instrument belong to more than one preset region? break; } } pPresetRegion = reg; RegionInfo ri; ri.UnityNote = pRegion->GetUnityNote(); ri.FineTune = pRegion->GetFineTune(reg) + (pRegion->GetCoarseTune(reg) * 100); ri.Pan = pRegion->GetPan(reg); ri.SampleStartOffset = pRegion->startAddrsOffset + pRegion->startAddrsCoarseOffset; // sample pitch ri.VCFEnabled = true; // TODO: ri.VCFType = Filter::vcf_type_2p_lowpass; // TODO: ri.VCFResonance = 0; // TODO: ri.ReleaseTriggerDecay = 0; // TODO: return ri; } Voice::InstrumentInfo Voice::GetInstrumentInfo() { InstrumentInfo ii; ii.FineTune = 0; // TODO: ii.PitchbendRange = 2; // TODO: return ii; } double Voice::GetSampleAttenuation() { return 1.0; // TODO: } double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { return double(MIDIKeyVelocity) / 127.0f; // TODO: } double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { return 0.9; // TODO: } void Voice::ProcessCCEvent(RTList::Iterator& itEvent) { /*if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); } }*/ // TODO: ^^^ } void Voice::ProcessCutoffEvent(RTList::Iterator& itEvent) { /*int ccvalue = itEvent->Param.CC.Value; if (VCFCutoffCtrl.value == ccvalue) return; VCFCutoffCtrl.value == ccvalue; if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale; float cutoff = CutoffBase * float(ccvalue); if (cutoff > 127.0f) cutoff = 127.0f; VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time fFinalCutoff = cutoff;*/ // TODO: ^^^ } double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { /*float crossfadeVolume; switch (pRegion->AttenuationController.type) { case ::gig::attenuation_ctrl_t::type_channelaftertouch: crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[128])]; break; case ::gig::attenuation_ctrl_t::type_velocity: crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; break; case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetSf2EngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; break; case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined default: crossfadeVolume = 1.0f; } return crossfadeVolume;*/ // TODO: ^^^ return 1.0f; } double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { /*double eg1controllervalue = 0; switch (pRegion->EG1Controller.type) { case ::gig::eg1_ctrl_t::type_none: // no controller defined eg1controllervalue = 0; break; case ::gig::eg1_ctrl_t::type_channelaftertouch: eg1controllervalue = GetSf2EngineChannel()->ControllerTable[128]; break; case ::gig::eg1_ctrl_t::type_velocity: eg1controllervalue = MIDIKeyVelocity; break; case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller eg1controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; break; } if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; return eg1controllervalue;*/ // TODO: ^^^ return 0; } Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { /*EGInfo eg; // (eg1attack is different from the others) eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? 1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? 1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; return eg;*/ // TODO: ^^^ EGInfo eg; eg.Attack = 1.0; eg.Decay = 1.0; eg.Release = 1.0; return eg; } double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { /*double eg2controllervalue = 0; switch (pRegion->EG2Controller.type) { case ::gig::eg2_ctrl_t::type_none: // no controller defined eg2controllervalue = 0; break; case ::gig::eg2_ctrl_t::type_channelaftertouch: eg2controllervalue = GetSf2EngineChannel()->ControllerTable[128]; break; case ::gig::eg2_ctrl_t::type_velocity: eg2controllervalue = MIDIKeyVelocity; break; case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller eg2controllervalue = GetSf2EngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; break; } if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; return eg2controllervalue;*/ // TODO: ^^^ return 0; } Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { /*EGInfo eg; eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; return eg;*/ // TODO: ^^^ EGInfo eg; eg.Attack = 1.0; eg.Decay = 1.0; eg.Release = 1.0; return eg; } float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { float cutoff = pRegion->GetInitialFilterFc(pPresetRegion); if (MIDIKeyVelocity == 0) return cutoff; cutoff *= RTMath::CentsToFreqRatioUnlimited ( ((127 - MIDIKeyVelocity) / 127.0) * -2400 // 8.4.2 MIDI Note-On Velocity to Filter Cutoff ); return cutoff; } float Voice::CalculateFinalCutoff(float cutoffBase) { /*int cvalue; if (VCFCutoffCtrl.controller) { cvalue = GetSf2EngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; // VCFVelocityScale in this case means Minimum cutoff if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; } else { cvalue = pRegion->VCFCutoff; } float fco = cutoffBase * float(cvalue); if (fco > 127.0f) fco = 127.0f; return fco;*/ // TODO: ^^^ return cutoffBase; } uint8_t Voice::GetVCFCutoffCtrl() { /*uint8_t ctrl; switch (pRegion->VCFCutoffController) { case ::gig::vcf_cutoff_ctrl_modwheel: ctrl = 1; break; case ::gig::vcf_cutoff_ctrl_effect1: ctrl = 12; break; case ::gig::vcf_cutoff_ctrl_effect2: ctrl = 13; break; case ::gig::vcf_cutoff_ctrl_breath: ctrl = 2; break; case ::gig::vcf_cutoff_ctrl_foot: ctrl = 4; break; case ::gig::vcf_cutoff_ctrl_sustainpedal: ctrl = 64; break; case ::gig::vcf_cutoff_ctrl_softpedal: ctrl = 67; break; case ::gig::vcf_cutoff_ctrl_genpurpose7: ctrl = 82; break; case ::gig::vcf_cutoff_ctrl_genpurpose8: ctrl = 83; break; case ::gig::vcf_cutoff_ctrl_aftertouch: ctrl = 128; break; case ::gig::vcf_cutoff_ctrl_none: default: ctrl = 0; break; } return ctrl;*/ // TODO: ^^^ return 0; } uint8_t Voice::GetVCFResonanceCtrl() { /*uint8_t ctrl; switch (pRegion->VCFResonanceController) { case ::gig::vcf_res_ctrl_genpurpose3: ctrl = 18; break; case ::gig::vcf_res_ctrl_genpurpose4: ctrl = 19; break; case ::gig::vcf_res_ctrl_genpurpose5: ctrl = 80; break; case ::gig::vcf_res_ctrl_genpurpose6: ctrl = 81; break; case ::gig::vcf_res_ctrl_none: default: ctrl = 0; } return ctrl;*/ // TODO: ^^^ return 0; } void Voice::ProcessGroupEvent(RTList::Iterator& itEvent) { if (itEvent->Param.Note.Key != MIDIKey) { // kill the voice fast pEG1->enterFadeOutStage(); } } }} // namespace LinuxSampler::sf2