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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* 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 * |
* 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 * |
* it under the terms of the GNU General Public License as published by * |
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* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "EGADSR.h" |
#include "../../common/Features.h" |
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#include "Manipulator.h" |
#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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#include "Voice.h" |
#include "Voice.h" |
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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// FIXME: no support for layers (nor crossfades) yet |
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const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
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float Voice::CalculateFilterCutoffCoeff() { |
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return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
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} |
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Voice::Voice() { |
Voice::Voice() { |
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pEngine = NULL; |
pEngine = NULL; |
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pDiskThread = NULL; |
pEG1 = &EG1; |
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Active = false; |
pEG2 = &EG2; |
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pEG1 = NULL; |
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pEG2 = NULL; |
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pEG3 = NULL; |
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pVCAManipulator = NULL; |
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pVCFCManipulator = NULL; |
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pVCOManipulator = NULL; |
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pLFO1 = NULL; |
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pLFO2 = NULL; |
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pLFO3 = NULL; |
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} |
} |
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Voice::~Voice() { |
Voice::~Voice() { |
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if (pEG1) delete pEG1; |
} |
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if (pEG2) delete pEG2; |
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if (pEG3) delete pEG3; |
EngineChannel* Voice::GetGigEngineChannel() { |
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if (pLFO1) delete pLFO1; |
return static_cast<EngineChannel*>(pEngineChannel); |
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if (pLFO2) delete pLFO2; |
} |
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if (pLFO3) delete pLFO3; |
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if (pVCAManipulator) delete pVCAManipulator; |
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if (pVCFCManipulator) delete pVCFCManipulator; |
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if (pVCOManipulator) delete pVCOManipulator; |
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} |
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void Voice::SetOutput(AudioOutputDevice* pAudioOutputDevice) { |
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this->pOutputLeft = pAudioOutputDevice->Channel(0)->Buffer(); |
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this->pOutputRight = pAudioOutputDevice->Channel(1)->Buffer(); |
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this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
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this->SampleRate = pAudioOutputDevice->SampleRate(); |
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} |
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void Voice::SetEngine(Engine* pEngine) { |
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this->pEngine = pEngine; |
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// delete old objects |
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if (pEG1) delete pEG1; |
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if (pEG2) delete pEG2; |
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if (pEG3) delete pEG3; |
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if (pVCAManipulator) delete pVCAManipulator; |
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if (pVCFCManipulator) delete pVCFCManipulator; |
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if (pVCOManipulator) delete pVCOManipulator; |
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if (pLFO1) delete pLFO1; |
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if (pLFO2) delete pLFO2; |
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if (pLFO3) delete pLFO3; |
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// create new ones |
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pEG1 = new EGADSR(pEngine, Event::destination_vca); |
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pEG2 = new EGADSR(pEngine, Event::destination_vcfc); |
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pEG3 = new EGDecay(pEngine, Event::destination_vco); |
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pVCAManipulator = new VCAManipulator(pEngine); |
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pVCFCManipulator = new VCFCManipulator(pEngine); |
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pVCOManipulator = new VCOManipulator(pEngine); |
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pLFO1 = new LFO<gig::VCAManipulator>(0.0f, 1.0f, LFO<VCAManipulator>::propagation_top_down, pVCAManipulator, pEngine->pEventPool); |
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pLFO2 = new LFO<gig::VCFCManipulator>(0.0f, 1.0f, LFO<VCFCManipulator>::propagation_top_down, pVCFCManipulator, pEngine->pEventPool); |
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pLFO3 = new LFO<gig::VCOManipulator>(-1200.0f, 1200.0f, LFO<VCOManipulator>::propagation_middle_balanced, pVCOManipulator, pEngine->pEventPool); // +-1 octave (+-1200 cents) max. |
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this->pDiskThread = pEngine->pDiskThread; |
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")); |
dmsg(6,("Voice::SetEngine()\n")); |
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} |
} |
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/** |
Voice::SampleInfo Voice::GetSampleInfo() { |
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* Initializes and triggers the voice, a disk stream will be launched if |
SampleInfo si; |
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* needed. |
si.SampleRate = pSample->SamplesPerSecond; |
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* |
si.ChannelCount = pSample->Channels; |
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* @param pNoteOnEvent - event that caused triggering of this voice |
si.FrameSize = pSample->FrameSize; |
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* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
si.BitDepth = pSample->BitDepth; |
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* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
si.TotalFrameCount = pSample->SamplesTotal; |
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* @returns 0 on success, a value < 0 if something failed |
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*/ |
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int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument) { |
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if (!pInstrument) { |
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dmsg(1,("voice::trigger: !pInstrument\n")); |
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exit(EXIT_FAILURE); |
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} |
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Active = true; |
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MIDIKey = pNoteOnEvent->Key; |
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pRegion = pInstrument->GetRegion(MIDIKey); |
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PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
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Pos = 0; |
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Delay = pNoteOnEvent->FragmentPos(); |
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pTriggerEvent = pNoteOnEvent; |
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if (!pRegion) { |
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std::cerr << "Audio Thread: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
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Kill(); |
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return -1; |
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} |
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//TODO: current MIDI controller values are not taken into account yet |
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::gig::DimensionRegion* pDimRgn = NULL; |
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for (int i = pRegion->Dimensions - 1; i >= 0; i--) { // Check if instrument has a velocity split |
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if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_velocity) { |
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uint DimValues[5] = {0,0,0,0,0}; |
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DimValues[i] = pNoteOnEvent->Velocity; |
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pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
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break; |
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} |
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} |
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if (!pDimRgn) { // if there was no velocity split |
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pDimRgn = pRegion->GetDimensionRegionByValue(0,0,0,0,0); |
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} |
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pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
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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// Check if the sample needs disk streaming or is too short for that |
return si; |
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long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
} |
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DiskVoice = cachedsamples < pSample->SamplesTotal; |
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if (DiskVoice) { // voice to be streamed from disk |
Voice::RegionInfo Voice::GetRegionInfo() { |
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MaxRAMPos = cachedsamples - (MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK) |
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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// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
ri.EG2PreAttack = pRegion->EG2PreAttack; |
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if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
ri.EG2Attack = pRegion->EG2Attack; |
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RAMLoop = true; |
ri.EG2Decay1 = pRegion->EG2Decay1; |
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LoopCyclesLeft = pSample->LoopPlayCount; |
ri.EG2Decay2 = pRegion->EG2Decay2; |
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} |
ri.EG2Sustain = pRegion->EG2Sustain; |
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else RAMLoop = false; |
ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; |
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ri.EG2Release = pRegion->EG2Release; |
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if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
ri.EG3Attack = pRegion->EG3Attack; |
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dmsg(1,("Disk stream order failed!\n")); |
ri.EG3Depth = pRegion->EG3Depth; |
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Kill(); |
ri.VCFEnabled = pRegion->VCFEnabled; |
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return -1; |
ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
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} |
ri.VCFResonance = pRegion->VCFResonance; |
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dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
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} |
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else { // RAM only voice |
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MaxRAMPos = cachedsamples; |
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if (pSample->Loops) { |
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RAMLoop = true; |
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LoopCyclesLeft = pSample->LoopPlayCount; |
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} |
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else RAMLoop = false; |
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dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no")); |
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} |
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ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
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// calculate initial pitch value |
return ri; |
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{ |
} |
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double pitchbasecents = pDimRgn->FineTune * 10; |
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if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
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this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents); |
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this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
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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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Volume = pDimRgn->GetVelocityAttenuation(pNoteOnEvent->Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
return ii; |
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} |
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// setup EG 1 (VCA EG) |
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{ |
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// get current value of EG1 controller |
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double eg1controllervalue; |
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switch (pDimRgn->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 = 0; // TODO: aftertouch not yet supported |
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break; |
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case ::gig::eg1_ctrl_t::type_velocity: |
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eg1controllervalue = pNoteOnEvent->Velocity; |
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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 = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
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break; |
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} |
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if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
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// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
double Voice::GetSampleAttenuation() { |
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double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
return pRegion->SampleAttenuation; |
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double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 0.0; |
} |
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double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0; |
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pEG1->Trigger(pDimRgn->EG1PreAttack, |
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pDimRgn->EG1Attack + eg1attack, |
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pDimRgn->EG1Hold, |
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pSample->LoopStart, |
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pDimRgn->EG1Decay1 + eg1decay, |
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pDimRgn->EG1Decay2 + eg1decay, |
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pDimRgn->EG1InfiniteSustain, |
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pDimRgn->EG1Sustain, |
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pDimRgn->EG1Release + eg1release, |
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Delay); |
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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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#if ENABLE_FILTER |
double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
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// setup EG 2 (VCF Cutoff EG) |
return pRegion->GetVelocityRelease(MIDIKeyVelocity); |
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{ |
} |
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// get current value of EG2 controller |
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double eg2controllervalue; |
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switch (pDimRgn->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 = 0; // TODO: aftertouch not yet supported |
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break; |
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case ::gig::eg2_ctrl_t::type_velocity: |
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eg2controllervalue = pNoteOnEvent->Velocity; |
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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 = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
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break; |
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} |
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if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
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// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) { |
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double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 0.0; |
if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
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double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 0.0; |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
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double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0; |
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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pEG2->Trigger(pDimRgn->EG2PreAttack, |
} |
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pDimRgn->EG2Attack + eg2attack, |
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false, |
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pSample->LoopStart, |
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pDimRgn->EG2Decay1 + eg2decay, |
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pDimRgn->EG2Decay2 + eg2decay, |
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pDimRgn->EG2InfiniteSustain, |
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pDimRgn->EG2Sustain, |
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pDimRgn->EG2Release + eg2release, |
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Delay); |
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} |
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#endif // ENABLE_FILTER |
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// setup EG 3 (VCO EG) |
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{ |
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double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
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pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay); |
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} |
} |
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} |
126 |
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127 |
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void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
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int ccvalue = itEvent->Param.CC.Value; |
129 |
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if (VCFCutoffCtrl.value == ccvalue) return; |
130 |
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VCFCutoffCtrl.value = ccvalue; |
131 |
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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; |
135 |
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// setup LFO 1 (VCA LFO) |
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
137 |
{ |
fFinalCutoff = cutoff; |
138 |
uint16_t lfo1_internal_depth; |
} |
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switch (pDimRgn->LFO1Controller) { |
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case ::gig::lfo1_ctrl_internal: |
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lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
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pLFO1->ExtController = 0; // no external controller |
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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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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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break; |
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case ::gig::lfo1_ctrl_internal_modwheel: |
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lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
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pLFO1->ExtController = 1; // MIDI controller 1 |
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break; |
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case ::gig::lfo1_ctrl_internal_breath: |
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lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
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pLFO1->ExtController = 2; // MIDI controller 2 |
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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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} |
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pLFO1->Trigger(pDimRgn->LFO1Frequency, |
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lfo1_internal_depth, |
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pDimRgn->LFO1ControlDepth, |
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pEngine->ControllerTable[pLFO1->ExtController], |
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pDimRgn->LFO1FlipPhase, |
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this->SampleRate, |
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Delay); |
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} |
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#if ENABLE_FILTER |
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// setup LFO 2 (VCF Cutoff LFO) |
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{ |
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uint16_t lfo2_internal_depth; |
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switch (pDimRgn->LFO2Controller) { |
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case ::gig::lfo2_ctrl_internal: |
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lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
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pLFO2->ExtController = 0; // no external controller |
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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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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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break; |
|
|
case ::gig::lfo2_ctrl_internal_modwheel: |
|
|
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
|
|
pLFO2->ExtController = 1; // MIDI controller 1 |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_internal_foot: |
|
|
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
|
|
pLFO2->ExtController = 4; // MIDI controller 4 |
|
|
break; |
|
|
default: |
|
|
lfo2_internal_depth = 0; |
|
|
pLFO2->ExtController = 0; // no external controller |
|
|
} |
|
|
pLFO2->Trigger(pDimRgn->LFO2Frequency, |
|
|
lfo2_internal_depth, |
|
|
pDimRgn->LFO2ControlDepth, |
|
|
pEngine->ControllerTable[pLFO2->ExtController], |
|
|
pDimRgn->LFO2FlipPhase, |
|
|
Delay); |
|
|
} |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
|
// setup LFO 3 (VCO LFO) |
|
|
{ |
|
|
uint16_t lfo3_internal_depth; |
|
|
switch (pDimRgn->LFO3Controller) { |
|
|
case ::gig::lfo3_ctrl_internal: |
|
|
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
|
|
pLFO3->ExtController = 0; // no external controller |
|
|
break; |
|
|
case ::gig::lfo3_ctrl_modwheel: |
|
|
lfo3_internal_depth = 0; |
|
|
pLFO3->ExtController = 1; // MIDI controller 1 |
|
|
break; |
|
|
case ::gig::lfo3_ctrl_aftertouch: |
|
|
lfo3_internal_depth = 0; |
|
|
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
|
|
break; |
|
|
case ::gig::lfo3_ctrl_internal_modwheel: |
|
|
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
|
|
pLFO3->ExtController = 1; // MIDI controller 1 |
|
|
break; |
|
|
case ::gig::lfo3_ctrl_internal_aftertouch: |
|
|
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
|
|
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
|
|
break; |
|
|
default: |
|
|
lfo3_internal_depth = 0; |
|
|
pLFO3->ExtController = 0; // no external controller |
|
|
} |
|
|
pLFO3->Trigger(pDimRgn->LFO3Frequency, |
|
|
lfo3_internal_depth, |
|
|
pDimRgn->LFO3ControlDepth, |
|
|
pEngine->ControllerTable[pLFO3->ExtController], |
|
|
false, |
|
|
this->SampleRate, |
|
|
Delay); |
|
|
} |
|
|
|
|
|
#if ENABLE_FILTER |
|
|
#if FORCE_FILTER_USAGE |
|
|
FilterLeft.Enabled = FilterRight.Enabled = true; |
|
|
#else // use filter only if instrument file told so |
|
|
FilterLeft.Enabled = FilterRight.Enabled = pDimRgn->VCFEnabled; |
|
|
#endif // FORCE_FILTER_USAGE |
|
|
if (pDimRgn->VCFEnabled) { |
|
|
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
|
|
VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL; |
|
|
#else // use the one defined in the instrument file |
|
|
switch (pDimRgn->VCFCutoffController) { |
|
|
case ::gig::vcf_cutoff_ctrl_modwheel: |
|
|
VCFCutoffCtrl.controller = 1; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_effect1: |
|
|
VCFCutoffCtrl.controller = 12; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_effect2: |
|
|
VCFCutoffCtrl.controller = 13; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_breath: |
|
|
VCFCutoffCtrl.controller = 2; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_foot: |
|
|
VCFCutoffCtrl.controller = 4; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
|
|
VCFCutoffCtrl.controller = 64; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_softpedal: |
|
|
VCFCutoffCtrl.controller = 67; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
|
|
VCFCutoffCtrl.controller = 82; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
|
|
VCFCutoffCtrl.controller = 83; |
|
|
break; |
|
|
case ::gig::vcf_cutoff_ctrl_aftertouch: //TODO: not implemented yet |
|
|
case ::gig::vcf_cutoff_ctrl_none: |
|
|
default: |
|
|
VCFCutoffCtrl.controller = 0; |
|
|
break; |
|
|
} |
|
|
#endif // OVERRIDE_FILTER_CUTOFF_CTRL |
|
139 |
|
|
140 |
#ifdef OVERRIDE_FILTER_RES_CTRL |
double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
141 |
VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_CTRL; |
float crossfadeVolume; |
142 |
#else // use the one defined in the instrument file |
switch (pRegion->AttenuationController.type) { |
143 |
switch (pDimRgn->VCFResonanceController) { |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
144 |
case ::gig::vcf_res_ctrl_genpurpose3: |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
145 |
VCFResonanceCtrl.controller = 18; |
break; |
146 |
break; |
case ::gig::attenuation_ctrl_t::type_velocity: |
147 |
case ::gig::vcf_res_ctrl_genpurpose4: |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
148 |
VCFResonanceCtrl.controller = 19; |
break; |
149 |
break; |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
150 |
case ::gig::vcf_res_ctrl_genpurpose5: |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
151 |
VCFResonanceCtrl.controller = 80; |
break; |
152 |
break; |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
153 |
case ::gig::vcf_res_ctrl_genpurpose6: |
default: |
154 |
VCFResonanceCtrl.controller = 81; |
crossfadeVolume = 1.0f; |
155 |
break; |
} |
|
case ::gig::vcf_res_ctrl_none: |
|
|
default: |
|
|
VCFResonanceCtrl.controller = 0; |
|
|
} |
|
|
#endif // OVERRIDE_FILTER_RES_CTRL |
|
156 |
|
|
157 |
#ifndef OVERRIDE_FILTER_TYPE |
return crossfadeVolume; |
158 |
FilterLeft.SetType(pDimRgn->VCFType); |
} |
|
FilterRight.SetType(pDimRgn->VCFType); |
|
|
#else // override filter type |
|
|
FilterLeft.SetType(OVERRIDE_FILTER_TYPE); |
|
|
FilterRight.SetType(OVERRIDE_FILTER_TYPE); |
|
|
#endif // OVERRIDE_FILTER_TYPE |
|
|
|
|
|
VCFCutoffCtrl.value = pEngine->ControllerTable[VCFCutoffCtrl.controller]; |
|
|
VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller]; |
|
|
|
|
|
// calculate cutoff frequency |
|
|
float cutoff = (!VCFCutoffCtrl.controller) |
|
|
? exp((float) (127 - pNoteOnEvent->Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX |
|
|
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX; |
|
|
|
|
|
// calculate resonance |
|
|
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
|
|
if (pDimRgn->VCFKeyboardTracking) { |
|
|
resonance += (float) (pNoteOnEvent->Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
|
|
} |
|
|
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
|
159 |
|
|
160 |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
161 |
VCFResonanceCtrl.fvalue = resonance; |
double eg1controllervalue = 0; |
162 |
|
switch (pRegion->EG1Controller.type) { |
163 |
|
case ::gig::eg1_ctrl_t::type_none: // no controller defined |
164 |
|
eg1controllervalue = 0; |
165 |
|
break; |
166 |
|
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
167 |
|
eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
168 |
|
break; |
169 |
|
case ::gig::eg1_ctrl_t::type_velocity: |
170 |
|
eg1controllervalue = MIDIKeyVelocity; |
171 |
|
break; |
172 |
|
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
173 |
|
eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
174 |
|
break; |
175 |
|
} |
176 |
|
if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
177 |
|
|
178 |
FilterLeft.SetParameters(cutoff, resonance, SampleRate); |
return eg1controllervalue; |
179 |
FilterRight.SetParameters(cutoff, resonance, SampleRate); |
} |
180 |
|
|
181 |
FilterUpdateCounter = -1; |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
182 |
} |
EGInfo eg; |
183 |
else { |
// (eg1attack is different from the others) |
184 |
VCFCutoffCtrl.controller = 0; |
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
185 |
VCFResonanceCtrl.controller = 0; |
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
186 |
} |
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
187 |
#endif // ENABLE_FILTER |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
188 |
|
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
189 |
|
|
190 |
// ************************************************ |
return eg; |
191 |
// TODO: ARTICULATION DATA HANDLING IS MISSING HERE |
} |
|
// ************************************************ |
|
|
|
|
|
return 0; // success |
|
|
} |
|
|
|
|
|
/** |
|
|
* Renders the audio data for this voice for the current audio fragment. |
|
|
* The sample input data can either come from RAM (cached sample or sample |
|
|
* part) or directly from disk. The output signal will be rendered by |
|
|
* resampling / interpolation. If this voice is a disk streaming voice and |
|
|
* the voice completely played back the cached RAM part of the sample, it |
|
|
* will automatically switch to disk playback for the next RenderAudio() |
|
|
* call. |
|
|
* |
|
|
* @param Samples - number of samples to be rendered in this audio fragment cycle |
|
|
*/ |
|
|
void Voice::Render(uint Samples) { |
|
|
|
|
|
// Reset the synthesis parameter matrix |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume); |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
|
|
#if ENABLE_FILTER |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
|
|
|
|
// Apply events to the synthesis parameter matrix |
|
|
ProcessEvents(Samples); |
|
|
|
|
|
|
|
|
// Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment |
|
|
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
|
|
#if ENABLE_FILTER |
|
|
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
|
|
#endif // ENABLE_FILTER |
|
|
pEG3->Process(Samples); |
|
|
pLFO1->Process(Samples); |
|
|
#if ENABLE_FILTER |
|
|
pLFO2->Process(Samples); |
|
|
#endif // ENABLE_FILTER |
|
|
pLFO3->Process(Samples); |
|
|
|
|
|
|
|
|
switch (this->PlaybackState) { |
|
|
|
|
|
case playback_state_ram: { |
|
|
if (RAMLoop) InterpolateAndLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
|
|
else Interpolate(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
|
|
if (DiskVoice) { |
|
|
// check if we reached the allowed limit of the sample RAM cache |
|
|
if (Pos > MaxRAMPos) { |
|
|
dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", Pos)); |
|
|
this->PlaybackState = playback_state_disk; |
|
|
} |
|
|
} |
|
|
else if (Pos >= pSample->GetCache().Size / pSample->FrameSize) { |
|
|
this->PlaybackState = playback_state_end; |
|
|
} |
|
|
} |
|
|
break; |
|
|
|
|
|
case playback_state_disk: { |
|
|
if (!DiskStreamRef.pStream) { |
|
|
// check if the disk thread created our ordered disk stream in the meantime |
|
|
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
|
|
if (!DiskStreamRef.pStream) { |
|
|
std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush; |
|
|
Kill(); |
|
|
return; |
|
|
} |
|
|
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
|
|
Pos -= RTMath::DoubleToInt(Pos); |
|
|
} |
|
|
|
|
|
// add silence sample at the end if we reached the end of the stream (for the interpolator) |
|
|
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
|
|
DiskStreamRef.pStream->WriteSilence((MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
|
|
this->PlaybackState = playback_state_end; |
|
|
} |
|
|
|
|
|
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
|
|
Interpolate(Samples, ptr, Delay); |
|
|
DiskStreamRef.pStream->IncrementReadPos(RTMath::DoubleToInt(Pos) * pSample->Channels); |
|
|
Pos -= RTMath::DoubleToInt(Pos); |
|
|
} |
|
|
break; |
|
|
|
|
|
case playback_state_end: |
|
|
Kill(); // free voice |
|
|
break; |
|
|
} |
|
|
|
|
|
|
|
|
#if ENABLE_FILTER |
|
|
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
|
// Reset delay |
|
|
Delay = 0; |
|
|
|
|
|
pTriggerEvent = NULL; |
|
|
|
|
|
// If release stage finished, let the voice be killed |
|
|
if (pEG1->GetStage() == EGADSR::stage_end) this->PlaybackState = playback_state_end; |
|
|
} |
|
|
|
|
|
/** |
|
|
* Resets voice variables. Should only be called if rendering process is |
|
|
* suspended / not running. |
|
|
*/ |
|
|
void Voice::Reset() { |
|
|
pLFO1->Reset(); |
|
|
pLFO2->Reset(); |
|
|
pLFO3->Reset(); |
|
|
DiskStreamRef.pStream = NULL; |
|
|
DiskStreamRef.hStream = 0; |
|
|
DiskStreamRef.State = Stream::state_unused; |
|
|
DiskStreamRef.OrderID = 0; |
|
|
Active = false; |
|
|
} |
|
|
|
|
|
/** |
|
|
* Process the control change event lists of the engine for the current |
|
|
* audio fragment. Event values will be applied to the synthesis parameter |
|
|
* matrix. |
|
|
* |
|
|
* @param Samples - number of samples to be rendered in this audio fragment cycle |
|
|
*/ |
|
|
void Voice::ProcessEvents(uint Samples) { |
|
|
|
|
|
// dispatch control change events |
|
|
Event* pCCEvent = pEngine->pCCEvents->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (pCCEvent && pCCEvent->FragmentPos() <= Delay) pCCEvent = pEngine->pCCEvents->next(); |
|
|
} |
|
|
while (pCCEvent) { |
|
|
if (pCCEvent->Controller) { // if valid MIDI controller |
|
|
#if ENABLE_FILTER |
|
|
if (pCCEvent->Controller == VCFCutoffCtrl.controller) { |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfc]->alloc_assign(*pCCEvent); |
|
|
} |
|
|
if (pCCEvent->Controller == VCFResonanceCtrl.controller) { |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfr]->alloc_assign(*pCCEvent); |
|
|
} |
|
|
#endif // ENABLE_FILTER |
|
|
if (pCCEvent->Controller == pLFO1->ExtController) { |
|
|
pLFO1->SendEvent(pCCEvent); |
|
|
} |
|
|
#if ENABLE_FILTER |
|
|
if (pCCEvent->Controller == pLFO2->ExtController) { |
|
|
pLFO2->SendEvent(pCCEvent); |
|
|
} |
|
|
#endif // ENABLE_FILTER |
|
|
if (pCCEvent->Controller == pLFO3->ExtController) { |
|
|
pLFO3->SendEvent(pCCEvent); |
|
|
} |
|
|
} |
|
192 |
|
|
193 |
pCCEvent = pEngine->pCCEvents->next(); |
double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
194 |
|
double eg2controllervalue = 0; |
195 |
|
switch (pRegion->EG2Controller.type) { |
196 |
|
case ::gig::eg2_ctrl_t::type_none: // no controller defined |
197 |
|
eg2controllervalue = 0; |
198 |
|
break; |
199 |
|
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
200 |
|
eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
201 |
|
break; |
202 |
|
case ::gig::eg2_ctrl_t::type_velocity: |
203 |
|
eg2controllervalue = MIDIKeyVelocity; |
204 |
|
break; |
205 |
|
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
206 |
|
eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
207 |
|
break; |
208 |
} |
} |
209 |
|
if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
210 |
|
|
211 |
|
return eg2controllervalue; |
212 |
|
} |
213 |
|
|
214 |
// process pitch events |
Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
215 |
{ |
EGInfo eg; |
216 |
RTEList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
217 |
Event* pVCOEvent = pVCOEventList->first(); |
eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
218 |
if (Delay) { // skip events that happened before this voice was triggered |
eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
|
while (pVCOEvent && pVCOEvent->FragmentPos() <= Delay) pVCOEvent = pVCOEventList->next(); |
|
|
} |
|
|
// apply old pitchbend value until first pitch event occurs |
|
|
if (this->PitchBend != 1.0) { |
|
|
uint end = (pVCOEvent) ? pVCOEvent->FragmentPos() : Samples; |
|
|
for (uint i = Delay; i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
|
|
} |
|
|
} |
|
|
float pitch; |
|
|
while (pVCOEvent) { |
|
|
Event* pNextVCOEvent = pVCOEventList->next(); |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (pNextVCOEvent) ? pNextVCOEvent->FragmentPos() : Samples; |
|
219 |
|
|
220 |
pitch = RTMath::CentsToFreqRatio(((double) pVCOEvent->Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
return eg; |
221 |
|
} |
222 |
|
|
223 |
// apply pitch value to the pitch parameter sequence |
void Voice::InitLFO1() { |
224 |
for (uint i = pVCOEvent->FragmentPos(); i < end; i++) { |
uint16_t lfo1_internal_depth; |
225 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
switch (pRegion->LFO1Controller) { |
226 |
} |
case ::gig::lfo1_ctrl_internal: |
227 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
228 |
|
pLFO1->ExtController = 0; // no external controller |
229 |
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
230 |
|
break; |
231 |
|
case ::gig::lfo1_ctrl_modwheel: |
232 |
|
lfo1_internal_depth = 0; |
233 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
234 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
235 |
|
break; |
236 |
|
case ::gig::lfo1_ctrl_breath: |
237 |
|
lfo1_internal_depth = 0; |
238 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
239 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
240 |
|
break; |
241 |
|
case ::gig::lfo1_ctrl_internal_modwheel: |
242 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
243 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
244 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
245 |
|
break; |
246 |
|
case ::gig::lfo1_ctrl_internal_breath: |
247 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
248 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
249 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
250 |
|
break; |
251 |
|
default: |
252 |
|
lfo1_internal_depth = 0; |
253 |
|
pLFO1->ExtController = 0; // no external controller |
254 |
|
bLFO1Enabled = false; |
255 |
|
} |
256 |
|
if (bLFO1Enabled) { |
257 |
|
pLFO1->trigger(pRegion->LFO1Frequency, |
258 |
|
start_level_min, |
259 |
|
lfo1_internal_depth, |
260 |
|
pRegion->LFO1ControlDepth, |
261 |
|
pRegion->LFO1FlipPhase, |
262 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
263 |
|
pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
264 |
|
} |
265 |
|
} |
266 |
|
|
267 |
pVCOEvent = pNextVCOEvent; |
void Voice::InitLFO2() { |
268 |
} |
uint16_t lfo2_internal_depth; |
269 |
if (pVCOEventList->last()) this->PitchBend = pitch; |
switch (pRegion->LFO2Controller) { |
270 |
|
case ::gig::lfo2_ctrl_internal: |
271 |
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
272 |
|
pLFO2->ExtController = 0; // no external controller |
273 |
|
bLFO2Enabled = (lfo2_internal_depth > 0); |
274 |
|
break; |
275 |
|
case ::gig::lfo2_ctrl_modwheel: |
276 |
|
lfo2_internal_depth = 0; |
277 |
|
pLFO2->ExtController = 1; // MIDI controller 1 |
278 |
|
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
279 |
|
break; |
280 |
|
case ::gig::lfo2_ctrl_foot: |
281 |
|
lfo2_internal_depth = 0; |
282 |
|
pLFO2->ExtController = 4; // MIDI controller 4 |
283 |
|
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
284 |
|
break; |
285 |
|
case ::gig::lfo2_ctrl_internal_modwheel: |
286 |
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
287 |
|
pLFO2->ExtController = 1; // MIDI controller 1 |
288 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
289 |
|
break; |
290 |
|
case ::gig::lfo2_ctrl_internal_foot: |
291 |
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
292 |
|
pLFO2->ExtController = 4; // MIDI controller 4 |
293 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
294 |
|
break; |
295 |
|
default: |
296 |
|
lfo2_internal_depth = 0; |
297 |
|
pLFO2->ExtController = 0; // no external controller |
298 |
|
bLFO2Enabled = false; |
299 |
|
} |
300 |
|
if (bLFO2Enabled) { |
301 |
|
pLFO2->trigger(pRegion->LFO2Frequency, |
302 |
|
start_level_max, |
303 |
|
lfo2_internal_depth, |
304 |
|
pRegion->LFO2ControlDepth, |
305 |
|
pRegion->LFO2FlipPhase, |
306 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
307 |
|
pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
308 |
} |
} |
309 |
|
} |
310 |
|
|
311 |
|
void Voice::InitLFO3() { |
312 |
|
uint16_t lfo3_internal_depth; |
313 |
|
switch (pRegion->LFO3Controller) { |
314 |
|
case ::gig::lfo3_ctrl_internal: |
315 |
|
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: |
320 |
|
lfo3_internal_depth = 0; |
321 |
|
pLFO3->ExtController = 1; // MIDI controller 1 |
322 |
|
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
323 |
|
break; |
324 |
|
case ::gig::lfo3_ctrl_aftertouch: |
325 |
|
lfo3_internal_depth = 0; |
326 |
|
pLFO3->ExtController = 128; |
327 |
|
bLFO3Enabled = true; |
328 |
|
break; |
329 |
|
case ::gig::lfo3_ctrl_internal_modwheel: |
330 |
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
331 |
|
pLFO3->ExtController = 1; // MIDI controller 1 |
332 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
333 |
|
break; |
334 |
|
case ::gig::lfo3_ctrl_internal_aftertouch: |
335 |
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
336 |
|
pLFO3->ExtController = 128; |
337 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
338 |
|
break; |
339 |
|
default: |
340 |
|
lfo3_internal_depth = 0; |
341 |
|
pLFO3->ExtController = 0; // no external controller |
342 |
|
bLFO3Enabled = false; |
343 |
|
} |
344 |
|
if (bLFO3Enabled) { |
345 |
|
pLFO3->trigger(pRegion->LFO3Frequency, |
346 |
|
start_level_mid, |
347 |
|
lfo3_internal_depth, |
348 |
|
pRegion->LFO3ControlDepth, |
349 |
|
false, |
350 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
351 |
|
pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
352 |
|
} |
353 |
|
} |
354 |
|
|
355 |
#if ENABLE_FILTER |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
356 |
// process filter cutoff events |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
357 |
{ |
if (pRegion->VCFKeyboardTracking) { |
358 |
RTEList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
359 |
Event* pCutoffEvent = pCutoffEventList->first(); |
} |
360 |
if (Delay) { // skip events that happened before this voice was triggered |
return cutoff; |
361 |
while (pCutoffEvent && pCutoffEvent->FragmentPos() <= Delay) pCutoffEvent = pCutoffEventList->next(); |
} |
362 |
} |
|
363 |
float cutoff; |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
364 |
while (pCutoffEvent) { |
int cvalue; |
365 |
Event* pNextCutoffEvent = pCutoffEventList->next(); |
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 |
// calculate the influence length of this event (in sample points) |
return fco; |
378 |
uint end = (pNextCutoffEvent) ? pNextCutoffEvent->FragmentPos() : Samples; |
} |
379 |
|
|
380 |
cutoff = exp((float) pCutoffEvent->Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN; |
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 |
// apply cutoff frequency to the cutoff parameter sequence |
return ctrl; |
420 |
for (uint i = pCutoffEvent->FragmentPos(); i < end; i++) { |
} |
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
|
|
} |
|
421 |
|
|
422 |
pCutoffEvent = pNextCutoffEvent; |
uint8_t Voice::GetVCFResonanceCtrl() { |
423 |
} |
uint8_t ctrl; |
424 |
if (pCutoffEventList->last()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
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 |
// process filter resonance events |
return ctrl; |
443 |
{ |
} |
|
RTEList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr]; |
|
|
Event* pResonanceEvent = pResonanceEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (pResonanceEvent && pResonanceEvent->FragmentPos() <= Delay) pResonanceEvent = pResonanceEventList->next(); |
|
|
} |
|
|
while (pResonanceEvent) { |
|
|
Event* pNextResonanceEvent = pResonanceEventList->next(); |
|
444 |
|
|
445 |
// calculate the influence length of this event (in sample points) |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
446 |
uint end = (pNextResonanceEvent) ? pNextResonanceEvent->FragmentPos() : Samples; |
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 |
// convert absolute controller value to differential |
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
459 |
int ctrldelta = pResonanceEvent->Value - VCFResonanceCtrl.value; |
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
460 |
VCFResonanceCtrl.value = pResonanceEvent->Value; |
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 |
float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
472 |
|
dmsg(4,("Voice %x processGroupEvents event type=%d", this, itEvent->Type)); |
473 |
|
|
474 |
// apply cutoff frequency to the cutoff parameter sequence |
// TODO: The SustainPedal condition could be wrong, maybe the |
475 |
for (uint i = pResonanceEvent->FragmentPos(); i < end; i++) { |
// check should be if this Voice is in release stage or is a |
476 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta; |
// 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 |
pResonanceEvent = pNextResonanceEvent; |
// kill the voice fast |
482 |
} |
pEG1->enterFadeOutStage(); |
|
if (pResonanceEventList->last()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Value * 0.00787f; // needed for initialization of parameter matrix next time |
|
483 |
} |
} |
|
#endif // ENABLE_FILTER |
|
484 |
} |
} |
485 |
|
|
486 |
/** |
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
487 |
* Interpolates the input audio data (no loop). |
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
|
* |
|
|
* @param Samples - number of sample points to be rendered in this audio |
|
|
* fragment cycle |
|
|
* @param pSrc - pointer to input sample data |
|
|
* @param Skip - number of sample points to skip in output buffer |
|
|
*/ |
|
|
void Voice::Interpolate(uint Samples, sample_t* pSrc, uint Skip) { |
|
|
int i = Skip; |
|
|
|
|
|
// FIXME: assuming either mono or stereo |
|
|
if (this->pSample->Channels == 2) { // Stereo Sample |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
|
} |
|
|
else { // Mono Sample |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
|
} |
|
488 |
} |
} |
489 |
|
|
490 |
/** |
int Voice::CalculatePan(uint8_t pan) { |
491 |
* Interpolates the input audio data, this method honors looping. |
int p; |
492 |
* |
// Gst behaviour: -64 and 63 are special cases |
493 |
* @param Samples - number of sample points to be rendered in this audio |
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
494 |
* fragment cycle |
else if (RgnInfo.Pan == 63) p = pan * 2; |
495 |
* @param pSrc - pointer to input sample data |
else p = pan + RgnInfo.Pan; |
|
* @param Skip - number of sample points to skip in output buffer |
|
|
*/ |
|
|
void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) { |
|
|
int i = Skip; |
|
|
|
|
|
// FIXME: assuming either mono or stereo |
|
|
if (pSample->Channels == 2) { // Stereo Sample |
|
|
if (pSample->LoopPlayCount) { |
|
|
// render loop (loop count limited) |
|
|
while (i < Samples && LoopCyclesLeft) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
LoopCyclesLeft--; |
|
|
} |
|
|
} |
|
|
// render on without loop |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
|
} |
|
|
else { // render loop (endless loop) |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
else { // Mono Sample |
|
|
if (pSample->LoopPlayCount) { |
|
|
// render loop (loop count limited) |
|
|
while (i < Samples && LoopCyclesLeft) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
LoopCyclesLeft--; |
|
|
} |
|
|
} |
|
|
// render on without loop |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
|
} |
|
|
else { // render loop (endless loop) |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
496 |
|
|
497 |
/** |
if (p < 0) return 0; |
498 |
* Immediately kill the voice. |
if (p > 127) return 127; |
499 |
*/ |
return p; |
|
void Voice::Kill() { |
|
|
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
|
|
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
|
|
} |
|
|
Reset(); |
|
500 |
} |
} |
501 |
|
|
502 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |