| 3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
| 4 |
* * |
* * |
| 5 |
* 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 Christian Schoenebeck and Grigor Iliev * |
| 8 |
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* Copyright (C) 2010 - 2017 Christian Schoenebeck and Andreas Persson * |
| 9 |
* * |
* * |
| 10 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
| 11 |
* 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 * |
| 23 |
* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
| 24 |
***************************************************************************/ |
***************************************************************************/ |
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| 26 |
#include "EGADSR.h" |
#include "../../common/Features.h" |
| 27 |
#include "Manipulator.h" |
#include "Synthesizer.h" |
| 28 |
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#include "Profiler.h" |
| 29 |
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#include "Engine.h" |
| 30 |
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#include "EngineChannel.h" |
| 31 |
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| 32 |
#include "Voice.h" |
#include "Voice.h" |
| 33 |
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| 34 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
| 35 |
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| 36 |
// FIXME: no support for layers (nor crossfades) yet |
// sanity checks: fromGigLfoWave() assumes equally mapped enums |
| 37 |
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static_assert(int64_t(::gig::lfo_wave_sine) == int64_t(LFO::wave_sine), |
| 38 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 39 |
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static_assert(int64_t(::gig::lfo_wave_triangle) == int64_t(LFO::wave_triangle), |
| 40 |
float Voice::CalculateFilterCutoffCoeff() { |
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 41 |
return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw), |
| 42 |
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"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 43 |
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static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square), |
| 44 |
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"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 45 |
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|
| 46 |
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// converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler) |
| 47 |
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inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) { |
| 48 |
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// simply assuming equally mapped enums on both sides |
| 49 |
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return static_cast<LFO::wave_t>(wave); |
| 50 |
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} |
| 51 |
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| 52 |
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// Returns true for GigaStudio's original filter types (which are resembled |
| 53 |
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// by LS very accurately with same frequency response and patch settings |
| 54 |
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// behaviour), false for our own LS specific filter implementation types. |
| 55 |
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constexpr bool isGStFilterType(::gig::vcf_type_t type) { |
| 56 |
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return type == ::gig::vcf_type_lowpass || |
| 57 |
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type == ::gig::vcf_type_lowpassturbo || |
| 58 |
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type == ::gig::vcf_type_bandpass || |
| 59 |
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type == ::gig::vcf_type_highpass || |
| 60 |
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type == ::gig::vcf_type_bandreject; |
| 61 |
} |
} |
| 62 |
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|
| 63 |
Voice::Voice() { |
Voice::Voice() { |
| 64 |
pEngine = NULL; |
pEngine = NULL; |
| 65 |
pDiskThread = NULL; |
pEG1 = &EG1; |
| 66 |
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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| 67 |
} |
} |
| 68 |
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| 69 |
Voice::~Voice() { |
Voice::~Voice() { |
| 70 |
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 (pLFO1) delete pLFO1; |
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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; |
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dmsg(1,("Voice::SetEngine()\n")); |
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} |
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/** |
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* Initializes and triggers the voice, a disk stream will be launched if |
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* needed. |
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* |
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* @param pNoteOnEvent - event that caused triggering of this voice |
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* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
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* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
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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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|
|
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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 |
|
| 71 |
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| 72 |
// Check if the sample needs disk streaming or is too short for that |
EngineChannel* Voice::GetGigEngineChannel() { |
| 73 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
return static_cast<EngineChannel*>(pEngineChannel); |
| 74 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
} |
| 75 |
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| 76 |
if (DiskVoice) { // voice to be streamed from disk |
void Voice::SetEngine(LinuxSampler::Engine* pEngine) { |
| 77 |
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) |
Engine* engine = static_cast<Engine*>(pEngine); |
| 78 |
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this->pEngine = engine; |
| 79 |
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this->pDiskThread = engine->pDiskThread; |
| 80 |
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dmsg(6,("Voice::SetEngine()\n")); |
| 81 |
|
} |
| 82 |
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| 83 |
// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
Voice::SampleInfo Voice::GetSampleInfo() { |
| 84 |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
SampleInfo si; |
| 85 |
RAMLoop = true; |
si.SampleRate = pSample->SamplesPerSecond; |
| 86 |
LoopCyclesLeft = pSample->LoopPlayCount; |
si.ChannelCount = pSample->Channels; |
| 87 |
} |
si.FrameSize = pSample->FrameSize; |
| 88 |
else RAMLoop = false; |
si.BitDepth = pSample->BitDepth; |
| 89 |
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si.TotalFrameCount = (uint)pSample->SamplesTotal; |
| 90 |
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| 91 |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
si.HasLoops = pRegion->SampleLoops; |
| 92 |
dmsg(1,("Disk stream order failed!\n")); |
si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
| 93 |
Kill(); |
si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0; |
| 94 |
return -1; |
si.LoopPlayCount = pSample->LoopPlayCount; |
| 95 |
} |
si.Unpitched = !pRegion->PitchTrack; |
|
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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} |
|
| 96 |
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| 97 |
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return si; |
| 98 |
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} |
| 99 |
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| 100 |
// calculate initial pitch value |
Voice::RegionInfo Voice::GetRegionInfo() { |
| 101 |
{ |
RegionInfo ri; |
| 102 |
double pitchbasecents = pDimRgn->FineTune * 10; |
ri.UnityNote = pRegion->UnityNote; |
| 103 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
ri.FineTune = pRegion->FineTune; |
| 104 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents); |
ri.Pan = pRegion->Pan; |
| 105 |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
ri.SampleStartOffset = pRegion->SampleStartOffset; |
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} |
|
| 106 |
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| 107 |
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ri.EG2PreAttack = pRegion->EG2PreAttack; |
| 108 |
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ri.EG2Attack = pRegion->EG2Attack; |
| 109 |
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ri.EG2Decay1 = pRegion->EG2Decay1; |
| 110 |
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ri.EG2Decay2 = pRegion->EG2Decay2; |
| 111 |
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ri.EG2Sustain = pRegion->EG2Sustain; |
| 112 |
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ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; |
| 113 |
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ri.EG2Release = pRegion->EG2Release; |
| 114 |
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| 115 |
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) |
ri.EG3Attack = pRegion->EG3Attack; |
| 116 |
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ri.EG3Depth = pRegion->EG3Depth; |
| 117 |
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ri.VCFEnabled = pRegion->VCFEnabled; |
| 118 |
// setup EG 1 (VCA EG) |
ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
| 119 |
{ |
ri.VCFResonance = pRegion->VCFResonance; |
|
// 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; |
|
| 120 |
|
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| 121 |
// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
|
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
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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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|
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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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} |
|
| 122 |
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| 123 |
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return ri; |
| 124 |
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} |
| 125 |
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| 126 |
#if ENABLE_FILTER |
Voice::InstrumentInfo Voice::GetInstrumentInfo() { |
| 127 |
// setup EG 2 (VCF Cutoff EG) |
InstrumentInfo ii; |
| 128 |
{ |
ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune; |
| 129 |
// get current value of EG2 controller |
ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange; |
|
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; |
|
| 130 |
|
|
| 131 |
// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
return ii; |
| 132 |
double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 0.0; |
} |
|
double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 0.0; |
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double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0; |
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|
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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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|
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|
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// setup EG 3 (VCO EG) |
|
|
{ |
|
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double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
|
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pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay); |
|
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} |
|
| 133 |
|
|
| 134 |
|
double Voice::GetSampleAttenuation() { |
| 135 |
|
return pRegion->SampleAttenuation; |
| 136 |
|
} |
| 137 |
|
|
| 138 |
// setup LFO 1 (VCA LFO) |
double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { |
| 139 |
{ |
return pRegion->GetVelocityAttenuation(MIDIKeyVelocity); |
| 140 |
uint16_t lfo1_internal_depth; |
} |
|
switch (pDimRgn->LFO1Controller) { |
|
|
case ::gig::lfo1_ctrl_internal: |
|
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lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 0; // no external controller |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_modwheel: |
|
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lfo1_internal_depth = 0; |
|
|
pLFO1->ExtController = 1; // MIDI controller 1 |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_breath: |
|
|
lfo1_internal_depth = 0; |
|
|
pLFO1->ExtController = 2; // MIDI controller 2 |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_internal_modwheel: |
|
|
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 1; // MIDI controller 1 |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_internal_breath: |
|
|
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 2; // MIDI controller 2 |
|
|
break; |
|
|
default: |
|
|
lfo1_internal_depth = 0; |
|
|
pLFO1->ExtController = 0; // no external controller |
|
|
} |
|
|
pLFO1->Trigger(pDimRgn->LFO1Frequency, |
|
|
lfo1_internal_depth, |
|
|
pDimRgn->LFO1ControlDepth, |
|
|
pEngine->ControllerTable[pLFO1->ExtController], |
|
|
pDimRgn->LFO1FlipPhase, |
|
|
this->SampleRate, |
|
|
Delay); |
|
|
} |
|
|
|
|
|
#if ENABLE_FILTER |
|
|
// setup LFO 2 (VCF Cutoff LFO) |
|
|
{ |
|
|
uint16_t lfo2_internal_depth; |
|
|
switch (pDimRgn->LFO2Controller) { |
|
|
case ::gig::lfo2_ctrl_internal: |
|
|
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
|
|
pLFO2->ExtController = 0; // no external controller |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_modwheel: |
|
|
lfo2_internal_depth = 0; |
|
|
pLFO2->ExtController = 1; // MIDI controller 1 |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_foot: |
|
|
lfo2_internal_depth = 0; |
|
|
pLFO2->ExtController = 4; // MIDI controller 4 |
|
|
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 |
|
| 141 |
|
|
| 142 |
#ifdef OVERRIDE_FILTER_RES_CTRL |
double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
| 143 |
VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_CTRL; |
return pRegion->GetVelocityRelease(MIDIKeyVelocity); |
| 144 |
#else // use the one defined in the instrument file |
} |
|
switch (pDimRgn->VCFResonanceController) { |
|
|
case ::gig::vcf_res_ctrl_genpurpose3: |
|
|
VCFResonanceCtrl.controller = 18; |
|
|
break; |
|
|
case ::gig::vcf_res_ctrl_genpurpose4: |
|
|
VCFResonanceCtrl.controller = 19; |
|
|
break; |
|
|
case ::gig::vcf_res_ctrl_genpurpose5: |
|
|
VCFResonanceCtrl.controller = 80; |
|
|
break; |
|
|
case ::gig::vcf_res_ctrl_genpurpose6: |
|
|
VCFResonanceCtrl.controller = 81; |
|
|
break; |
|
|
case ::gig::vcf_res_ctrl_none: |
|
|
default: |
|
|
VCFResonanceCtrl.controller = 0; |
|
|
} |
|
|
#endif // OVERRIDE_FILTER_RES_CTRL |
|
| 145 |
|
|
| 146 |
#ifndef OVERRIDE_FILTER_TYPE |
void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) { |
| 147 |
FilterLeft.SetType(pDimRgn->VCFType); |
if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
| 148 |
FilterRight.SetType(pDimRgn->VCFType); |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
| 149 |
#else // override filter type |
itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { |
| 150 |
FilterLeft.SetType(OVERRIDE_FILTER_TYPE); |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
|
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; |
|
| 151 |
} |
} |
| 152 |
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
} |
| 153 |
|
} |
|
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
|
|
VCFResonanceCtrl.fvalue = resonance; |
|
|
|
|
|
FilterLeft.SetParameters(cutoff, resonance, SampleRate); |
|
|
FilterRight.SetParameters(cutoff, resonance, SampleRate); |
|
| 154 |
|
|
| 155 |
FilterUpdateCounter = -1; |
void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 156 |
} |
if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event |
| 157 |
else { |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) { |
| 158 |
VCFCutoffCtrl.controller = 0; |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]); |
|
VCFResonanceCtrl.controller = 0; |
|
|
} |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
|
// ************************************************ |
|
|
// 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); |
|
|
} |
|
| 159 |
} |
} |
|
|
|
|
pCCEvent = pEngine->pCCEvents->next(); |
|
| 160 |
} |
} |
| 161 |
|
} |
| 162 |
|
|
| 163 |
|
void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 164 |
|
// Not used so far |
| 165 |
|
} |
| 166 |
|
|
| 167 |
// process pitch events |
uint8_t Voice::MinCutoff() const { |
| 168 |
{ |
// If there's a cutoff controller defined then VCFVelocityScale means |
| 169 |
RTEList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
// "minimum cutoff". If there is no MIDI controller defined for cutoff |
| 170 |
Event* pVCOEvent = pVCOEventList->first(); |
// then VCFVelocityScale is already taken into account on libgig side |
| 171 |
if (Delay) { // skip events that happened before this voice was triggered |
// instead by call to pRegion->GetVelocityCutoff(MIDIKeyVelocity). |
| 172 |
while (pVCOEvent && pVCOEvent->FragmentPos() <= Delay) pVCOEvent = pVCOEventList->next(); |
return pRegion->VCFVelocityScale; |
| 173 |
} |
} |
|
// 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(); |
|
| 174 |
|
|
| 175 |
// calculate the influence length of this event (in sample points) |
// This is called on any cutoff controller changes, however not when the |
| 176 |
uint end = (pNextVCOEvent) ? pNextVCOEvent->FragmentPos() : Samples; |
// voice is triggered. So the initial cutoff value is retrieved by a call |
| 177 |
|
// to CalculateFinalCutoff() instead. |
| 178 |
|
void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
| 179 |
|
if (VCFCutoffCtrl.value == itEvent->Param.CC.Value) return; |
| 180 |
|
float ccvalue = VCFCutoffCtrl.value = itEvent->Param.CC.Value; |
| 181 |
|
|
| 182 |
pitch = RTMath::CentsToFreqRatio(((double) pVCOEvent->Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
// if the selected filter type is an official GigaStudio filter type |
| 183 |
|
// then we preserve the original (no matter how odd) historical GSt |
| 184 |
|
// behaviour identically; for our own filter types though we deviate to |
| 185 |
|
// more meaningful behaviours where appropriate |
| 186 |
|
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
| 187 |
|
|
| 188 |
// apply pitch value to the pitch parameter sequence |
if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
| 189 |
for (uint i = pVCOEvent->FragmentPos(); i < end; i++) { |
// interpret "minimum cutoff" not simply as hard limit, rather |
| 190 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
// restrain it to min_cutoff..127 range, but spanned / remapped over |
| 191 |
} |
// the entire controller range (0..127) to avoid a "dead" lower |
| 192 |
|
// controller zone (that is to avoid a certain CC value range where |
| 193 |
pVCOEvent = pNextVCOEvent; |
// the controller would not change the cutoff frequency) |
| 194 |
} |
ccvalue = MinCutoff() + (ccvalue / 127.f) * float(127 - MinCutoff()); |
|
if (pVCOEventList->last()) this->PitchBend = pitch; |
|
|
} |
|
| 195 |
|
|
| 196 |
|
float cutoff = CutoffBase * ccvalue; |
| 197 |
|
if (cutoff > 127.0f) cutoff = 127.0f; |
| 198 |
|
|
| 199 |
#if ENABLE_FILTER |
// the filter implementations of the original GSt filter types take an |
| 200 |
// process filter cutoff events |
// abstract cutoff parameter range of 0..127, whereas our own filter |
| 201 |
{ |
// types take a cutoff parameter in Hz, so remap here: |
| 202 |
RTEList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
// 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
| 203 |
Event* pCutoffEvent = pCutoffEventList->first(); |
if (!isGStFilter) { |
| 204 |
if (Delay) { // skip events that happened before this voice was triggered |
cutoff = (cutoff + 29.f) / (127.f + 29.f); |
| 205 |
while (pCutoffEvent && pCutoffEvent->FragmentPos() <= Delay) pCutoffEvent = pCutoffEventList->next(); |
cutoff = cutoff * cutoff * cutoff * cutoff * 18000.f; |
| 206 |
} |
if (cutoff > 0.49f * pEngine->SampleRate) |
| 207 |
float cutoff; |
cutoff = 0.49f * pEngine->SampleRate; |
| 208 |
while (pCutoffEvent) { |
} |
|
Event* pNextCutoffEvent = pCutoffEventList->next(); |
|
| 209 |
|
|
| 210 |
// calculate the influence length of this event (in sample points) |
fFinalCutoff = VCFCutoffCtrl.fvalue = cutoff; |
| 211 |
uint end = (pNextCutoffEvent) ? pNextCutoffEvent->FragmentPos() : Samples; |
} |
| 212 |
|
|
| 213 |
cutoff = exp((float) pCutoffEvent->Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN; |
double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
| 214 |
|
float crossfadeVolume; |
| 215 |
|
switch (pRegion->AttenuationController.type) { |
| 216 |
|
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
| 217 |
|
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
| 218 |
|
break; |
| 219 |
|
case ::gig::attenuation_ctrl_t::type_velocity: |
| 220 |
|
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
| 221 |
|
break; |
| 222 |
|
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
| 223 |
|
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
| 224 |
|
break; |
| 225 |
|
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
| 226 |
|
default: |
| 227 |
|
crossfadeVolume = 1.0f; |
| 228 |
|
} |
| 229 |
|
|
| 230 |
// apply cutoff frequency to the cutoff parameter sequence |
return crossfadeVolume; |
| 231 |
for (uint i = pCutoffEvent->FragmentPos(); i < end; i++) { |
} |
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
|
|
} |
|
| 232 |
|
|
| 233 |
pCutoffEvent = pNextCutoffEvent; |
double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
| 234 |
} |
double eg1controllervalue = 0; |
| 235 |
if (pCutoffEventList->last()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
switch (pRegion->EG1Controller.type) { |
| 236 |
|
case ::gig::eg1_ctrl_t::type_none: // no controller defined |
| 237 |
|
eg1controllervalue = 0; |
| 238 |
|
break; |
| 239 |
|
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
| 240 |
|
eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 241 |
|
break; |
| 242 |
|
case ::gig::eg1_ctrl_t::type_velocity: |
| 243 |
|
eg1controllervalue = MIDIKeyVelocity; |
| 244 |
|
break; |
| 245 |
|
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
| 246 |
|
eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
| 247 |
|
break; |
| 248 |
} |
} |
| 249 |
|
if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
| 250 |
|
|
| 251 |
// process filter resonance events |
return eg1controllervalue; |
| 252 |
{ |
} |
|
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(); |
|
| 253 |
|
|
| 254 |
// calculate the influence length of this event (in sample points) |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
| 255 |
uint end = (pNextResonanceEvent) ? pNextResonanceEvent->FragmentPos() : Samples; |
EGInfo eg; |
| 256 |
|
// (eg1attack is different from the others) |
| 257 |
|
if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0 |
| 258 |
|
(pRegion->EG1ControllerAttackInfluence == 0 || |
| 259 |
|
eg1ControllerValue <= 10)) { // strange GSt special case |
| 260 |
|
eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger |
| 261 |
|
} else { |
| 262 |
|
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
| 263 |
|
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
| 264 |
|
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
| 265 |
|
} |
| 266 |
|
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
| 267 |
|
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
| 268 |
|
|
| 269 |
|
return eg; |
| 270 |
|
} |
| 271 |
|
|
| 272 |
|
double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
| 273 |
|
double eg2controllervalue = 0; |
| 274 |
|
switch (pRegion->EG2Controller.type) { |
| 275 |
|
case ::gig::eg2_ctrl_t::type_none: // no controller defined |
| 276 |
|
eg2controllervalue = 0; |
| 277 |
|
break; |
| 278 |
|
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
| 279 |
|
eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 280 |
|
break; |
| 281 |
|
case ::gig::eg2_ctrl_t::type_velocity: |
| 282 |
|
eg2controllervalue = MIDIKeyVelocity; |
| 283 |
|
break; |
| 284 |
|
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
| 285 |
|
eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
| 286 |
|
break; |
| 287 |
|
} |
| 288 |
|
if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
| 289 |
|
|
| 290 |
// convert absolute controller value to differential |
return eg2controllervalue; |
| 291 |
int ctrldelta = pResonanceEvent->Value - VCFResonanceCtrl.value; |
} |
|
VCFResonanceCtrl.value = pResonanceEvent->Value; |
|
| 292 |
|
|
| 293 |
float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
| 294 |
|
EGInfo eg; |
| 295 |
|
eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
| 296 |
|
eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
| 297 |
|
eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
| 298 |
|
|
| 299 |
// apply cutoff frequency to the cutoff parameter sequence |
return eg; |
| 300 |
for (uint i = pResonanceEvent->FragmentPos(); i < end; i++) { |
} |
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta; |
|
|
} |
|
| 301 |
|
|
| 302 |
pResonanceEvent = pNextResonanceEvent; |
void Voice::InitLFO1() { |
| 303 |
} |
uint16_t lfo1_internal_depth; |
| 304 |
if (pResonanceEventList->last()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Value * 0.00787f; // needed for initialization of parameter matrix next time |
switch (pRegion->LFO1Controller) { |
| 305 |
|
case ::gig::lfo1_ctrl_internal: |
| 306 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 307 |
|
pLFO1->ExtController = 0; // no external controller |
| 308 |
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
| 309 |
|
break; |
| 310 |
|
case ::gig::lfo1_ctrl_modwheel: |
| 311 |
|
lfo1_internal_depth = 0; |
| 312 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
| 313 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 314 |
|
break; |
| 315 |
|
case ::gig::lfo1_ctrl_breath: |
| 316 |
|
lfo1_internal_depth = 0; |
| 317 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
| 318 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 319 |
|
break; |
| 320 |
|
case ::gig::lfo1_ctrl_internal_modwheel: |
| 321 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 322 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
| 323 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 324 |
|
break; |
| 325 |
|
case ::gig::lfo1_ctrl_internal_breath: |
| 326 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 327 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
| 328 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 329 |
|
break; |
| 330 |
|
default: |
| 331 |
|
lfo1_internal_depth = 0; |
| 332 |
|
pLFO1->ExtController = 0; // no external controller |
| 333 |
|
bLFO1Enabled = false; |
| 334 |
|
} |
| 335 |
|
if (bLFO1Enabled) { |
| 336 |
|
pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm), |
| 337 |
|
pRegion->LFO1Frequency, |
| 338 |
|
pRegion->LFO1Phase, |
| 339 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 340 |
|
lfo1_internal_depth, |
| 341 |
|
pRegion->LFO1ControlDepth, |
| 342 |
|
pRegion->LFO1FlipPhase, |
| 343 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 344 |
|
pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
| 345 |
|
pLFO1->setScriptDepthFactor( |
| 346 |
|
pNote->Override.AmpLFODepth.Value, |
| 347 |
|
pNote->Override.AmpLFODepth.Final |
| 348 |
|
); |
| 349 |
|
if (pNote->Override.AmpLFOFreq.isFinal()) |
| 350 |
|
pLFO1->setScriptFrequencyFinal( |
| 351 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
| 352 |
|
); |
| 353 |
|
else |
| 354 |
|
pLFO1->setScriptFrequencyFactor( |
| 355 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
| 356 |
|
); |
| 357 |
} |
} |
|
#endif // ENABLE_FILTER |
|
| 358 |
} |
} |
| 359 |
|
|
| 360 |
/** |
void Voice::InitLFO2() { |
| 361 |
* Interpolates the input audio data (no loop). |
uint16_t lfo2_internal_depth; |
| 362 |
* |
switch (pRegion->LFO2Controller) { |
| 363 |
* @param Samples - number of sample points to be rendered in this audio |
case ::gig::lfo2_ctrl_internal: |
| 364 |
* fragment cycle |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 365 |
* @param pSrc - pointer to input sample data |
pLFO2->ExtController = 0; // no external controller |
| 366 |
* @param Skip - number of sample points to skip in output buffer |
bLFO2Enabled = (lfo2_internal_depth > 0); |
| 367 |
*/ |
break; |
| 368 |
void Voice::Interpolate(uint Samples, sample_t* pSrc, uint Skip) { |
case ::gig::lfo2_ctrl_modwheel: |
| 369 |
int i = Skip; |
lfo2_internal_depth = 0; |
| 370 |
|
pLFO2->ExtController = 1; // MIDI controller 1 |
| 371 |
// FIXME: assuming either mono or stereo |
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 372 |
if (this->pSample->Channels == 2) { // Stereo Sample |
break; |
| 373 |
while (i < Samples) { |
case ::gig::lfo2_ctrl_foot: |
| 374 |
InterpolateOneStep_Stereo(pSrc, i, |
lfo2_internal_depth = 0; |
| 375 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 376 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 377 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
break; |
| 378 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
case ::gig::lfo2_ctrl_internal_modwheel: |
| 379 |
} |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 380 |
} |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 381 |
else { // Mono Sample |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 382 |
while (i < Samples) { |
break; |
| 383 |
InterpolateOneStep_Mono(pSrc, i, |
case ::gig::lfo2_ctrl_internal_foot: |
| 384 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 385 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 386 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 387 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
break; |
| 388 |
} |
default: |
| 389 |
|
lfo2_internal_depth = 0; |
| 390 |
|
pLFO2->ExtController = 0; // no external controller |
| 391 |
|
bLFO2Enabled = false; |
| 392 |
|
} |
| 393 |
|
if (bLFO2Enabled) { |
| 394 |
|
pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm), |
| 395 |
|
pRegion->LFO2Frequency, |
| 396 |
|
pRegion->LFO2Phase, |
| 397 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 398 |
|
lfo2_internal_depth, |
| 399 |
|
pRegion->LFO2ControlDepth, |
| 400 |
|
pRegion->LFO2FlipPhase, |
| 401 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 402 |
|
pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
| 403 |
|
pLFO2->setScriptDepthFactor( |
| 404 |
|
pNote->Override.CutoffLFODepth.Value, |
| 405 |
|
pNote->Override.CutoffLFODepth.Final |
| 406 |
|
); |
| 407 |
|
if (pNote->Override.CutoffLFOFreq.isFinal()) |
| 408 |
|
pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 409 |
|
else |
| 410 |
|
pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 411 |
} |
} |
| 412 |
} |
} |
| 413 |
|
|
| 414 |
/** |
void Voice::InitLFO3() { |
| 415 |
* Interpolates the input audio data, this method honors looping. |
uint16_t lfo3_internal_depth; |
| 416 |
* |
switch (pRegion->LFO3Controller) { |
| 417 |
* @param Samples - number of sample points to be rendered in this audio |
case ::gig::lfo3_ctrl_internal: |
| 418 |
* fragment cycle |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 419 |
* @param pSrc - pointer to input sample data |
pLFO3->ExtController = 0; // no external controller |
| 420 |
* @param Skip - number of sample points to skip in output buffer |
bLFO3Enabled = (lfo3_internal_depth > 0); |
| 421 |
*/ |
break; |
| 422 |
void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) { |
case ::gig::lfo3_ctrl_modwheel: |
| 423 |
int i = Skip; |
lfo3_internal_depth = 0; |
| 424 |
|
pLFO3->ExtController = 1; // MIDI controller 1 |
| 425 |
// FIXME: assuming either mono or stereo |
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
| 426 |
if (pSample->Channels == 2) { // Stereo Sample |
break; |
| 427 |
if (pSample->LoopPlayCount) { |
case ::gig::lfo3_ctrl_aftertouch: |
| 428 |
// render loop (loop count limited) |
lfo3_internal_depth = 0; |
| 429 |
while (i < Samples && LoopCyclesLeft) { |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 430 |
InterpolateOneStep_Stereo(pSrc, i, |
bLFO3Enabled = true; |
| 431 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
break; |
| 432 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
case ::gig::lfo3_ctrl_internal_modwheel: |
| 433 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 434 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 435 |
if (Pos > pSample->LoopEnd) { |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 436 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
break; |
| 437 |
LoopCyclesLeft--; |
case ::gig::lfo3_ctrl_internal_aftertouch: |
| 438 |
} |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 439 |
} |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 440 |
// render on without loop |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 441 |
while (i < Samples) { |
break; |
| 442 |
InterpolateOneStep_Stereo(pSrc, i, |
default: |
| 443 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
lfo3_internal_depth = 0; |
| 444 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pLFO3->ExtController = 0; // no external controller |
| 445 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
bLFO3Enabled = false; |
| 446 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
} |
| 447 |
} |
if (bLFO3Enabled) { |
| 448 |
} |
pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm), |
| 449 |
else { // render loop (endless loop) |
pRegion->LFO3Frequency, |
| 450 |
while (i < Samples) { |
pRegion->LFO3Phase, |
| 451 |
InterpolateOneStep_Stereo(pSrc, i, |
LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 452 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
lfo3_internal_depth, |
| 453 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
pRegion->LFO3ControlDepth, |
| 454 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
pRegion->LFO3FlipPhase, |
| 455 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 456 |
if (Pos > pSample->LoopEnd) { |
pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
| 457 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
pLFO3->setScriptDepthFactor( |
| 458 |
} |
pNote->Override.PitchLFODepth.Value, |
| 459 |
} |
pNote->Override.PitchLFODepth.Final |
| 460 |
} |
); |
| 461 |
} |
if (pNote->Override.PitchLFOFreq.isFinal()) |
| 462 |
else { // Mono Sample |
pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 463 |
if (pSample->LoopPlayCount) { |
else |
| 464 |
// render loop (loop count limited) |
pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 465 |
while (i < Samples && LoopCyclesLeft) { |
} |
| 466 |
InterpolateOneStep_Mono(pSrc, i, |
} |
| 467 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
| 468 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
| 469 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
| 470 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
if (pRegion->VCFKeyboardTracking) { |
| 471 |
if (Pos > pSample->LoopEnd) { |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
| 472 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
} |
| 473 |
LoopCyclesLeft--; |
return cutoff; |
| 474 |
} |
} |
| 475 |
} |
|
| 476 |
// render on without loop |
// This is just called when the voice is triggered. On any subsequent cutoff |
| 477 |
while (i < Samples) { |
// controller changes ProcessCutoffEvent() is called instead. |
| 478 |
InterpolateOneStep_Mono(pSrc, i, |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
| 479 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
// if the selected filter type is an official GigaStudio filter type |
| 480 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
// then we preserve the original (no matter how odd) historical GSt |
| 481 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
// behaviour identically; for our own filter types though we deviate to |
| 482 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
// more meaningful behaviours where appropriate |
| 483 |
} |
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
| 484 |
} |
|
| 485 |
else { // render loop (endless loop) |
// get current cutoff CC or velocity value (always 0..127) |
| 486 |
while (i < Samples) { |
float cvalue; |
| 487 |
InterpolateOneStep_Mono(pSrc, i, |
if (VCFCutoffCtrl.controller) { |
| 488 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
| 489 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
| 490 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
if (isGStFilter) { |
| 491 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
// VCFVelocityScale in this case means "minimum cutoff" for GSt |
| 492 |
if (Pos > pSample->LoopEnd) { |
if (cvalue < MinCutoff()) cvalue = MinCutoff(); |
| 493 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
} else { |
| 494 |
} |
// for our own filter types we interpret "minimum cutoff" |
| 495 |
} |
// differently: GSt handles this as a simple hard limit with the |
| 496 |
} |
// consequence that a certain range of the controller is simply |
| 497 |
|
// dead; so for our filter types we rather remap that to |
| 498 |
|
// restrain within the min_cutoff..127 range as well, but |
| 499 |
|
// effectively spanned over the entire controller range (0..127) |
| 500 |
|
// to avoid such a "dead" lower controller zone |
| 501 |
|
cvalue = MinCutoff() + (cvalue / 127.f) * float(127 - MinCutoff()); |
| 502 |
|
} |
| 503 |
|
} else { |
| 504 |
|
// in case of velocity, VCFVelocityScale parameter is already |
| 505 |
|
// handled on libgig side (so by calling |
| 506 |
|
// pRegion->GetVelocityCutoff(velo) in CalculateCutoffBase() above) |
| 507 |
|
cvalue = pRegion->VCFCutoff; |
| 508 |
|
} |
| 509 |
|
|
| 510 |
|
float fco = cutoffBase * cvalue; |
| 511 |
|
if (fco > 127.0f) fco = 127.0f; |
| 512 |
|
|
| 513 |
|
// the filter implementations of the original GSt filter types take an |
| 514 |
|
// abstract cutoff parameter range of 0..127, ... |
| 515 |
|
if (isGStFilter) |
| 516 |
|
return fco; |
| 517 |
|
|
| 518 |
|
// ... whereas our own filter types take a cutoff parameter in Hz, so |
| 519 |
|
// remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
| 520 |
|
fco = (fco + 29.f) / (127.f + 29.f); |
| 521 |
|
fco = fco * fco * fco * fco * 18000.f; |
| 522 |
|
if (fco > 0.49f * pEngine->SampleRate) |
| 523 |
|
fco = 0.49f * pEngine->SampleRate; |
| 524 |
|
return fco; |
| 525 |
|
} |
| 526 |
|
|
| 527 |
|
uint8_t Voice::GetVCFCutoffCtrl() { |
| 528 |
|
uint8_t ctrl; |
| 529 |
|
switch (pRegion->VCFCutoffController) { |
| 530 |
|
case ::gig::vcf_cutoff_ctrl_modwheel: |
| 531 |
|
ctrl = 1; |
| 532 |
|
break; |
| 533 |
|
case ::gig::vcf_cutoff_ctrl_effect1: |
| 534 |
|
ctrl = 12; |
| 535 |
|
break; |
| 536 |
|
case ::gig::vcf_cutoff_ctrl_effect2: |
| 537 |
|
ctrl = 13; |
| 538 |
|
break; |
| 539 |
|
case ::gig::vcf_cutoff_ctrl_breath: |
| 540 |
|
ctrl = 2; |
| 541 |
|
break; |
| 542 |
|
case ::gig::vcf_cutoff_ctrl_foot: |
| 543 |
|
ctrl = 4; |
| 544 |
|
break; |
| 545 |
|
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
| 546 |
|
ctrl = 64; |
| 547 |
|
break; |
| 548 |
|
case ::gig::vcf_cutoff_ctrl_softpedal: |
| 549 |
|
ctrl = 67; |
| 550 |
|
break; |
| 551 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
| 552 |
|
ctrl = 82; |
| 553 |
|
break; |
| 554 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
| 555 |
|
ctrl = 83; |
| 556 |
|
break; |
| 557 |
|
case ::gig::vcf_cutoff_ctrl_aftertouch: |
| 558 |
|
ctrl = CTRL_TABLE_IDX_AFTERTOUCH; |
| 559 |
|
break; |
| 560 |
|
case ::gig::vcf_cutoff_ctrl_none: |
| 561 |
|
default: |
| 562 |
|
ctrl = 0; |
| 563 |
|
break; |
| 564 |
} |
} |
| 565 |
|
|
| 566 |
|
return ctrl; |
| 567 |
} |
} |
| 568 |
|
|
| 569 |
/** |
uint8_t Voice::GetVCFResonanceCtrl() { |
| 570 |
* Immediately kill the voice. |
uint8_t ctrl; |
| 571 |
*/ |
switch (pRegion->VCFResonanceController) { |
| 572 |
void Voice::Kill() { |
case ::gig::vcf_res_ctrl_genpurpose3: |
| 573 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
ctrl = 18; |
| 574 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
break; |
| 575 |
|
case ::gig::vcf_res_ctrl_genpurpose4: |
| 576 |
|
ctrl = 19; |
| 577 |
|
break; |
| 578 |
|
case ::gig::vcf_res_ctrl_genpurpose5: |
| 579 |
|
ctrl = 80; |
| 580 |
|
break; |
| 581 |
|
case ::gig::vcf_res_ctrl_genpurpose6: |
| 582 |
|
ctrl = 81; |
| 583 |
|
break; |
| 584 |
|
case ::gig::vcf_res_ctrl_none: |
| 585 |
|
default: |
| 586 |
|
ctrl = 0; |
| 587 |
|
} |
| 588 |
|
|
| 589 |
|
return ctrl; |
| 590 |
|
} |
| 591 |
|
|
| 592 |
|
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 593 |
|
EG1.setStateOptions( |
| 594 |
|
pRegion->EG1Options.AttackCancel, |
| 595 |
|
pRegion->EG1Options.AttackHoldCancel, |
| 596 |
|
pRegion->EG1Options.Decay1Cancel, |
| 597 |
|
pRegion->EG1Options.Decay2Cancel, |
| 598 |
|
pRegion->EG1Options.ReleaseCancel |
| 599 |
|
); |
| 600 |
|
EG1.trigger(pRegion->EG1PreAttack, |
| 601 |
|
(pNote && pNote->Override.Attack.isFinal()) ? |
| 602 |
|
pNote->Override.Attack.Value : |
| 603 |
|
RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack, |
| 604 |
|
pRegion->EG1Hold, |
| 605 |
|
(pNote && pNote->Override.Decay.isFinal()) ? |
| 606 |
|
pNote->Override.Decay.Value : |
| 607 |
|
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
| 608 |
|
(pNote && pNote->Override.Decay.isFinal()) ? |
| 609 |
|
pNote->Override.Decay.Value : |
| 610 |
|
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
| 611 |
|
pRegion->EG1InfiniteSustain, |
| 612 |
|
(pNote && pNote->Override.Sustain.Final) ? |
| 613 |
|
uint(pNote->Override.Sustain.Value * 1000.f) : |
| 614 |
|
pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f), |
| 615 |
|
(pNote && pNote->Override.Release.isFinal()) ? |
| 616 |
|
pNote->Override.Release.Value : |
| 617 |
|
RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release, |
| 618 |
|
velocityAttenuation, |
| 619 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 620 |
|
} |
| 621 |
|
|
| 622 |
|
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 623 |
|
EG2.setStateOptions( |
| 624 |
|
pRegion->EG2Options.AttackCancel, |
| 625 |
|
pRegion->EG2Options.AttackHoldCancel, |
| 626 |
|
pRegion->EG2Options.Decay1Cancel, |
| 627 |
|
pRegion->EG2Options.Decay2Cancel, |
| 628 |
|
pRegion->EG2Options.ReleaseCancel |
| 629 |
|
); |
| 630 |
|
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
| 631 |
|
(pNote && pNote->Override.CutoffAttack.isFinal()) ? |
| 632 |
|
pNote->Override.CutoffAttack.Value : |
| 633 |
|
RgnInfo.EG2Attack * egInfo.Attack, |
| 634 |
|
false, |
| 635 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
| 636 |
|
pNote->Override.CutoffDecay.Value : |
| 637 |
|
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
| 638 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
| 639 |
|
pNote->Override.CutoffDecay.Value : |
| 640 |
|
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
| 641 |
|
RgnInfo.EG2InfiniteSustain, |
| 642 |
|
(pNote && pNote->Override.CutoffSustain.Final) ? |
| 643 |
|
uint(pNote->Override.CutoffSustain.Value * 1000.f) : |
| 644 |
|
uint(RgnInfo.EG2Sustain), |
| 645 |
|
(pNote && pNote->Override.CutoffRelease.isFinal()) ? |
| 646 |
|
pNote->Override.CutoffRelease.Value : |
| 647 |
|
RgnInfo.EG2Release * egInfo.Release * velrelease, |
| 648 |
|
velocityAttenuation, |
| 649 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 650 |
|
} |
| 651 |
|
|
| 652 |
|
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
| 653 |
|
dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type)); |
| 654 |
|
|
| 655 |
|
// TODO: The SustainPedal condition could be wrong, maybe the |
| 656 |
|
// check should be if this Voice is in release stage or is a |
| 657 |
|
// release sample instead. Need to test this in GSt. |
| 658 |
|
// -- Andreas |
| 659 |
|
// |
| 660 |
|
// Commented sustain pedal check out. I don't think voices of the same |
| 661 |
|
// note should be stopped at all, because it doesn't sound naturally |
| 662 |
|
// with a drumkit. |
| 663 |
|
// -- Christian, 2013-01-08 |
| 664 |
|
if (itEvent->Param.Note.Key != HostKey() /*|| |
| 665 |
|
!GetGigEngineChannel()->SustainPedal*/) { |
| 666 |
|
dmsg(4,("Voice %p - kill", (void*)this)); |
| 667 |
|
|
| 668 |
|
// kill the voice fast |
| 669 |
|
pEG1->enterFadeOutStage(); |
| 670 |
|
} |
| 671 |
|
} |
| 672 |
|
|
| 673 |
|
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
| 674 |
|
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
| 675 |
|
} |
| 676 |
|
|
| 677 |
|
int Voice::CalculatePan(uint8_t pan) { |
| 678 |
|
int p; |
| 679 |
|
// Gst behaviour: -64 and 63 are special cases |
| 680 |
|
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
| 681 |
|
else if (RgnInfo.Pan == 63) p = pan * 2; |
| 682 |
|
else p = pan + RgnInfo.Pan; |
| 683 |
|
|
| 684 |
|
if (p < 0) return 0; |
| 685 |
|
if (p > 127) return 127; |
| 686 |
|
return p; |
| 687 |
|
} |
| 688 |
|
|
| 689 |
|
release_trigger_t Voice::GetReleaseTriggerFlags() { |
| 690 |
|
release_trigger_t flags = |
| 691 |
|
(pRegion->NoNoteOffReleaseTrigger) ? |
| 692 |
|
release_trigger_none : release_trigger_noteoff; //HACK: currently this method is actually only called by EngineBase if it already knows that this voice requires release trigger, so I took the short way instead of checking (again) the existence of a ::gig::dimension_releasetrigger |
| 693 |
|
switch (pRegion->SustainReleaseTrigger) { |
| 694 |
|
case ::gig::sust_rel_trg_none: |
| 695 |
|
break; |
| 696 |
|
case ::gig::sust_rel_trg_maxvelocity: |
| 697 |
|
flags |= release_trigger_sustain_maxvelocity; |
| 698 |
|
break; |
| 699 |
|
case ::gig::sust_rel_trg_keyvelocity: |
| 700 |
|
flags |= release_trigger_sustain_keyvelocity; |
| 701 |
|
break; |
| 702 |
} |
} |
| 703 |
Reset(); |
return flags; |
| 704 |
} |
} |
| 705 |
|
|
| 706 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |
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