| 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 * |
| 6 |
* Copyright (C) 2005 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
| 7 |
|
* Copyright (C) 2009 Christian Schoenebeck and Grigor Iliev * |
| 8 |
|
* 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 |
***************************************************************************/ |
***************************************************************************/ |
| 25 |
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#include "EGADSR.h" |
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#include "Manipulator.h" |
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| 26 |
#include "../../common/Features.h" |
#include "../../common/Features.h" |
| 27 |
#include "Synthesizer.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 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
// 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 int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 39 |
|
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(CONFIG_FILTER_CUTOFF_MIN / CONFIG_FILTER_CUTOFF_MAX); |
static_assert(int64_t(::gig::lfo_wave_saw) == int64_t(LFO::wave_saw), |
| 42 |
} |
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 43 |
|
static_assert(int64_t(::gig::lfo_wave_square) == int64_t(LFO::wave_square), |
| 44 |
int Voice::CalculateFilterUpdateMask() { |
"enum LFO::wave_t not equally value mapped to libgig's enum ::gig::lfo_wave_t"); |
| 45 |
if (CONFIG_FILTER_UPDATE_STEPS <= 0) return 0; |
|
| 46 |
int power_of_two; |
// converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler) |
| 47 |
for (power_of_two = 0; 1<<power_of_two < CONFIG_FILTER_UPDATE_STEPS; power_of_two++); |
inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) { |
| 48 |
return (1 << power_of_two) - 1; |
// 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 |
PlaybackState = playback_state_end; |
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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KeyGroup = 0; |
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SynthesisMode = 0; // set all mode bits to 0 first |
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// select synthesis implementation (currently either pure C++ or MMX+SSE(1)) |
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#if CONFIG_ASM && ARCH_X86 |
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SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
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#else |
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SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false); |
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#endif |
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SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true); |
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FilterLeft.Reset(); |
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FilterRight.Reset(); |
|
| 67 |
} |
} |
| 68 |
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| 69 |
Voice::~Voice() { |
Voice::~Voice() { |
| 70 |
if (pEG1) delete pEG1; |
} |
| 71 |
if (pEG2) delete pEG2; |
|
| 72 |
if (pEG3) delete pEG3; |
EngineChannel* Voice::GetGigEngineChannel() { |
| 73 |
if (pLFO1) delete pLFO1; |
return static_cast<EngineChannel*>(pEngineChannel); |
| 74 |
if (pLFO2) delete pLFO2; |
} |
|
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::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. |
|
| 75 |
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| 76 |
this->pDiskThread = pEngine->pDiskThread; |
void Voice::SetEngine(LinuxSampler::Engine* pEngine) { |
| 77 |
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Engine* engine = static_cast<Engine*>(pEngine); |
| 78 |
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this->pEngine = engine; |
| 79 |
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this->pDiskThread = engine->pDiskThread; |
| 80 |
dmsg(6,("Voice::SetEngine()\n")); |
dmsg(6,("Voice::SetEngine()\n")); |
| 81 |
} |
} |
| 82 |
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| 83 |
/** |
Voice::SampleInfo Voice::GetSampleInfo() { |
| 84 |
* Initializes and triggers the voice, a disk stream will be launched if |
SampleInfo si; |
| 85 |
* needed. |
si.SampleRate = pSample->SamplesPerSecond; |
| 86 |
* |
si.ChannelCount = pSample->Channels; |
| 87 |
* @param pEngineChannel - engine channel on which this voice was ordered |
si.FrameSize = pSample->FrameSize; |
| 88 |
* @param itNoteOnEvent - event that caused triggering of this voice |
si.BitDepth = pSample->BitDepth; |
| 89 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
si.TotalFrameCount = (uint)pSample->SamplesTotal; |
|
* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
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* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
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* @param ReleaseTriggerVoice - if this new voice is a release trigger voice (optional, default = false) |
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* @param VoiceStealingAllowed - wether the voice is allowed to steal voices for further subvoices |
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* @returns 0 on success, a value < 0 if the voice wasn't triggered |
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* (either due to an error or e.g. because no region is |
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* defined for the given key) |
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*/ |
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int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealingAllowed) { |
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this->pEngineChannel = pEngineChannel; |
|
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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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#if CONFIG_DEVMODE |
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if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging |
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dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n")); |
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} |
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#endif // CONFIG_DEVMODE |
|
| 90 |
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| 91 |
Type = type_normal; |
si.HasLoops = pRegion->SampleLoops; |
| 92 |
MIDIKey = itNoteOnEvent->Param.Note.Key; |
si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
| 93 |
pRegion = pInstrument->GetRegion(MIDIKey); |
si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0; |
| 94 |
PlaybackState = playback_state_init; // mark voice as triggered, but no audio rendered yet |
si.LoopPlayCount = pSample->LoopPlayCount; |
| 95 |
Delay = itNoteOnEvent->FragmentPos(); |
si.Unpitched = !pRegion->PitchTrack; |
|
itTriggerEvent = itNoteOnEvent; |
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itKillEvent = Pool<Event>::Iterator(); |
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if (!pRegion) { |
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dmsg(4, ("gig::Voice: No Region defined for MIDI key %d\n", MIDIKey)); |
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return -1; |
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} |
|
| 96 |
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| 97 |
// only mark the first voice of a layered voice (group) to be in a |
return si; |
| 98 |
// key group, so the layered voices won't kill each other |
} |
|
KeyGroup = (iLayer == 0 && !ReleaseTriggerVoice) ? pRegion->KeyGroup : 0; |
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// get current dimension values to select the right dimension region |
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//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
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uint DimValues[8] = { 0 }; |
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for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
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switch (pRegion->pDimensionDefinitions[i].dimension) { |
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case ::gig::dimension_samplechannel: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_layer: |
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DimValues[i] = iLayer; |
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break; |
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case ::gig::dimension_velocity: |
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DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
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break; |
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case ::gig::dimension_channelaftertouch: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_releasetrigger: |
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Type = (ReleaseTriggerVoice) ? type_release_trigger : (!iLayer) ? type_release_trigger_required : type_normal; |
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DimValues[i] = (uint) ReleaseTriggerVoice; |
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break; |
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case ::gig::dimension_keyboard: |
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DimValues[i] = (uint) pEngineChannel->CurrentKeyDimension; |
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break; |
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case ::gig::dimension_roundrobin: |
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DimValues[i] = (uint) pEngineChannel->pMIDIKeyInfo[MIDIKey].RoundRobinIndex; // incremented for each note on |
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break; |
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case ::gig::dimension_random: |
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pEngine->RandomSeed = pEngine->RandomSeed * 1103515245 + 12345; // classic pseudo random number generator |
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DimValues[i] = (uint) pEngine->RandomSeed >> (32 - pRegion->pDimensionDefinitions[i].bits); // highest bits are most random |
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break; |
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case ::gig::dimension_modwheel: |
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DimValues[i] = pEngineChannel->ControllerTable[1]; |
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break; |
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case ::gig::dimension_breath: |
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DimValues[i] = pEngineChannel->ControllerTable[2]; |
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break; |
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case ::gig::dimension_foot: |
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DimValues[i] = pEngineChannel->ControllerTable[4]; |
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break; |
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case ::gig::dimension_portamentotime: |
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DimValues[i] = pEngineChannel->ControllerTable[5]; |
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break; |
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case ::gig::dimension_effect1: |
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DimValues[i] = pEngineChannel->ControllerTable[12]; |
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break; |
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case ::gig::dimension_effect2: |
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DimValues[i] = pEngineChannel->ControllerTable[13]; |
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break; |
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case ::gig::dimension_genpurpose1: |
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DimValues[i] = pEngineChannel->ControllerTable[16]; |
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break; |
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case ::gig::dimension_genpurpose2: |
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DimValues[i] = pEngineChannel->ControllerTable[17]; |
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break; |
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case ::gig::dimension_genpurpose3: |
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DimValues[i] = pEngineChannel->ControllerTable[18]; |
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break; |
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case ::gig::dimension_genpurpose4: |
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DimValues[i] = pEngineChannel->ControllerTable[19]; |
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break; |
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case ::gig::dimension_sustainpedal: |
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DimValues[i] = pEngineChannel->ControllerTable[64]; |
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break; |
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case ::gig::dimension_portamento: |
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DimValues[i] = pEngineChannel->ControllerTable[65]; |
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break; |
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case ::gig::dimension_sostenutopedal: |
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DimValues[i] = pEngineChannel->ControllerTable[66]; |
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break; |
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case ::gig::dimension_softpedal: |
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DimValues[i] = pEngineChannel->ControllerTable[67]; |
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break; |
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case ::gig::dimension_genpurpose5: |
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DimValues[i] = pEngineChannel->ControllerTable[80]; |
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break; |
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case ::gig::dimension_genpurpose6: |
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DimValues[i] = pEngineChannel->ControllerTable[81]; |
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break; |
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case ::gig::dimension_genpurpose7: |
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DimValues[i] = pEngineChannel->ControllerTable[82]; |
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break; |
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case ::gig::dimension_genpurpose8: |
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DimValues[i] = pEngineChannel->ControllerTable[83]; |
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break; |
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case ::gig::dimension_effect1depth: |
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DimValues[i] = pEngineChannel->ControllerTable[91]; |
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break; |
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case ::gig::dimension_effect2depth: |
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DimValues[i] = pEngineChannel->ControllerTable[92]; |
|
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break; |
|
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case ::gig::dimension_effect3depth: |
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DimValues[i] = pEngineChannel->ControllerTable[93]; |
|
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break; |
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case ::gig::dimension_effect4depth: |
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DimValues[i] = pEngineChannel->ControllerTable[94]; |
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break; |
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case ::gig::dimension_effect5depth: |
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DimValues[i] = pEngineChannel->ControllerTable[95]; |
|
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break; |
|
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case ::gig::dimension_none: |
|
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std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
|
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break; |
|
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default: |
|
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std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
|
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} |
|
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} |
|
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pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
|
| 99 |
|
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| 100 |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
Voice::RegionInfo Voice::GetRegionInfo() { |
| 101 |
if (!pSample || !pSample->SamplesTotal) return -1; // no need to continue if sample is silent |
RegionInfo ri; |
| 102 |
|
ri.UnityNote = pRegion->UnityNote; |
| 103 |
|
ri.FineTune = pRegion->FineTune; |
| 104 |
|
ri.Pan = pRegion->Pan; |
| 105 |
|
ri.SampleStartOffset = pRegion->SampleStartOffset; |
| 106 |
|
|
| 107 |
// calculate volume |
ri.EG2PreAttack = pRegion->EG2PreAttack; |
| 108 |
const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity); |
ri.EG2Attack = pRegion->EG2Attack; |
| 109 |
|
ri.EG2Decay1 = pRegion->EG2Decay1; |
| 110 |
|
ri.EG2Decay2 = pRegion->EG2Decay2; |
| 111 |
|
ri.EG2Sustain = pRegion->EG2Sustain; |
| 112 |
|
ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; |
| 113 |
|
ri.EG2Release = pRegion->EG2Release; |
| 114 |
|
|
| 115 |
Volume = velocityAttenuation / 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 |
|
ri.EG3Depth = pRegion->EG3Depth; |
| 117 |
|
ri.VCFEnabled = pRegion->VCFEnabled; |
| 118 |
|
ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
| 119 |
|
ri.VCFResonance = pRegion->VCFResonance; |
| 120 |
|
|
| 121 |
Volume *= pDimRgn->SampleAttenuation; |
ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
| 122 |
|
|
| 123 |
// the volume of release triggered samples depends on note length |
return ri; |
| 124 |
if (ReleaseTriggerVoice) { |
} |
|
float noteLength = float(pEngine->FrameTime + Delay - |
|
|
pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate; |
|
|
float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength; |
|
|
if (attenuation <= 0) return -1; |
|
|
Volume *= attenuation; |
|
|
} |
|
| 125 |
|
|
| 126 |
// select channel mode (mono or stereo) |
Voice::InstrumentInfo Voice::GetInstrumentInfo() { |
| 127 |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
InstrumentInfo ii; |
| 128 |
|
ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune; |
| 129 |
|
ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange; |
| 130 |
|
|
| 131 |
// get starting crossfade volume level |
return ii; |
| 132 |
switch (pDimRgn->AttenuationController.type) { |
} |
|
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
|
|
CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
|
|
break; |
|
|
case ::gig::attenuation_ctrl_t::type_velocity: |
|
|
CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
|
|
break; |
|
|
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
|
|
CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
|
|
break; |
|
|
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
|
|
default: |
|
|
CrossfadeVolume = 1.0f; |
|
|
} |
|
| 133 |
|
|
| 134 |
PanLeft = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) / 63.0f; |
double Voice::GetSampleAttenuation() { |
| 135 |
PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f; |
return pRegion->SampleAttenuation; |
| 136 |
|
} |
| 137 |
|
|
| 138 |
Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { |
| 139 |
|
return pRegion->GetVelocityAttenuation(MIDIKeyVelocity); |
| 140 |
|
} |
| 141 |
|
|
| 142 |
// Check if the sample needs disk streaming or is too short for that |
double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
| 143 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
return pRegion->GetVelocityRelease(MIDIKeyVelocity); |
| 144 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
} |
|
|
|
|
if (DiskVoice) { // voice to be streamed from disk |
|
|
MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << CONFIG_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) |
|
|
|
|
|
// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
|
|
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
|
|
RAMLoop = true; |
|
|
LoopCyclesLeft = pSample->LoopPlayCount; |
|
|
} |
|
|
else RAMLoop = false; |
|
| 145 |
|
|
| 146 |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) { |
| 147 |
dmsg(1,("Disk stream order failed!\n")); |
if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
| 148 |
KillImmediately(); |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
| 149 |
return -1; |
itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { |
| 150 |
|
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
| 151 |
} |
} |
|
dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
|
| 152 |
} |
} |
| 153 |
else { // RAM only voice |
} |
|
MaxRAMPos = cachedsamples; |
|
|
if (pSample->Loops) { |
|
|
RAMLoop = true; |
|
|
LoopCyclesLeft = pSample->LoopPlayCount; |
|
|
} |
|
|
else RAMLoop = false; |
|
|
dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no")); |
|
|
} |
|
|
|
|
|
|
|
|
// calculate initial pitch value |
|
|
{ |
|
|
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
|
|
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
|
|
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
|
|
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
|
|
} |
|
|
|
|
|
// the length of the decay and release curves are dependent on the velocity |
|
|
const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
|
|
|
|
|
// setup EG 1 (VCA EG) |
|
|
{ |
|
|
// get current value of EG1 controller |
|
|
double eg1controllervalue; |
|
|
switch (pDimRgn->EG1Controller.type) { |
|
|
case ::gig::eg1_ctrl_t::type_none: // no controller defined |
|
|
eg1controllervalue = 0; |
|
|
break; |
|
|
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
|
|
eg1controllervalue = 0; // TODO: aftertouch not yet supported |
|
|
break; |
|
|
case ::gig::eg1_ctrl_t::type_velocity: |
|
|
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
|
|
break; |
|
|
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
|
|
eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
|
|
break; |
|
|
} |
|
|
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
|
|
|
|
|
// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
|
|
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
|
|
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 0.0; |
|
|
double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0; |
|
|
|
|
|
pEG1->Trigger(pDimRgn->EG1PreAttack, |
|
|
pDimRgn->EG1Attack + eg1attack, |
|
|
pDimRgn->EG1Hold, |
|
|
pSample->LoopStart, |
|
|
(pDimRgn->EG1Decay1 + eg1decay) * velrelease, |
|
|
(pDimRgn->EG1Decay2 + eg1decay) * velrelease, |
|
|
pDimRgn->EG1InfiniteSustain, |
|
|
pDimRgn->EG1Sustain, |
|
|
(pDimRgn->EG1Release + eg1release) * velrelease, |
|
|
// the SSE synthesis implementation requires |
|
|
// the vca start to be 16 byte aligned |
|
|
SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ? |
|
|
Delay & 0xfffffffc : Delay, |
|
|
velocityAttenuation); |
|
|
} |
|
|
|
|
| 154 |
|
|
| 155 |
// setup EG 2 (VCF Cutoff EG) |
void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 156 |
{ |
if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event |
| 157 |
// get current value of EG2 controller |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) { |
| 158 |
double eg2controllervalue; |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]); |
|
switch (pDimRgn->EG2Controller.type) { |
|
|
case ::gig::eg2_ctrl_t::type_none: // no controller defined |
|
|
eg2controllervalue = 0; |
|
|
break; |
|
|
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
|
|
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
|
|
break; |
|
|
case ::gig::eg2_ctrl_t::type_velocity: |
|
|
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
|
|
break; |
|
|
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
|
|
eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
|
|
break; |
|
| 159 |
} |
} |
|
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
|
|
|
|
|
// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
|
|
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; |
|
|
double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0; |
|
|
|
|
|
pEG2->Trigger(pDimRgn->EG2PreAttack, |
|
|
pDimRgn->EG2Attack + eg2attack, |
|
|
false, |
|
|
pSample->LoopStart, |
|
|
(pDimRgn->EG2Decay1 + eg2decay) * velrelease, |
|
|
(pDimRgn->EG2Decay2 + eg2decay) * velrelease, |
|
|
pDimRgn->EG2InfiniteSustain, |
|
|
pDimRgn->EG2Sustain, |
|
|
(pDimRgn->EG2Release + eg2release) * velrelease, |
|
|
Delay, |
|
|
velocityAttenuation); |
|
| 160 |
} |
} |
| 161 |
|
} |
| 162 |
|
|
| 163 |
|
void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 164 |
|
// Not used so far |
| 165 |
|
} |
| 166 |
|
|
| 167 |
// setup EG 3 (VCO EG) |
uint8_t Voice::MinCutoff() const { |
| 168 |
{ |
// If there's a cutoff controller defined then VCFVelocityScale means |
| 169 |
double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
// "minimum cutoff". If there is no MIDI controller defined for cutoff |
| 170 |
pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay); |
// then VCFVelocityScale is already taken into account on libgig side |
| 171 |
} |
// instead by call to pRegion->GetVelocityCutoff(MIDIKeyVelocity). |
| 172 |
|
return pRegion->VCFVelocityScale; |
| 173 |
|
} |
| 174 |
|
|
| 175 |
|
// This is called on any cutoff controller changes, however not when the |
| 176 |
|
// 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 |
// setup LFO 1 (VCA LFO) |
// if the selected filter type is an official GigaStudio filter type |
| 183 |
{ |
// then we preserve the original (no matter how odd) historical GSt |
| 184 |
uint16_t lfo1_internal_depth; |
// behaviour identically; for our own filter types though we deviate to |
| 185 |
switch (pDimRgn->LFO1Controller) { |
// more meaningful behaviours where appropriate |
| 186 |
case ::gig::lfo1_ctrl_internal: |
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
|
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 0; // no external controller |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_modwheel: |
|
|
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, |
|
|
pEngineChannel->ControllerTable[pLFO1->ExtController], |
|
|
pDimRgn->LFO1FlipPhase, |
|
|
pEngine->SampleRate, |
|
|
Delay); |
|
|
} |
|
| 187 |
|
|
| 188 |
|
if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
| 189 |
// setup LFO 2 (VCF Cutoff LFO) |
if (isGStFilter) { |
| 190 |
{ |
// VCFVelocityScale in this case means "minimum cutoff" for GSt |
| 191 |
uint16_t lfo2_internal_depth; |
if (ccvalue < MinCutoff()) ccvalue = MinCutoff(); |
| 192 |
switch (pDimRgn->LFO2Controller) { |
} else { |
| 193 |
case ::gig::lfo2_ctrl_internal: |
// for our own filter types we interpret "minimum cutoff" |
| 194 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
// differently: GSt handles this as a simple hard limit with the |
| 195 |
pLFO2->ExtController = 0; // no external controller |
// consequence that a certain range of the controller is simply |
| 196 |
break; |
// dead; so for our filter types we rather remap that to |
| 197 |
case ::gig::lfo2_ctrl_modwheel: |
// restrain within the min_cutoff..127 range as well, but |
| 198 |
lfo2_internal_depth = 0; |
// effectively spanned over the entire controller range (0..127) |
| 199 |
pLFO2->ExtController = 1; // MIDI controller 1 |
// to avoid such a "dead" lower controller zone |
| 200 |
break; |
ccvalue = MinCutoff() + (ccvalue / 127.f) * float(127 - MinCutoff()); |
|
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, |
|
|
pEngineChannel->ControllerTable[pLFO2->ExtController], |
|
|
pDimRgn->LFO2FlipPhase, |
|
|
pEngine->SampleRate, |
|
|
Delay); |
|
| 201 |
} |
} |
| 202 |
|
|
| 203 |
|
float cutoff = CutoffBase * ccvalue; |
| 204 |
|
if (cutoff > 127.0f) cutoff = 127.0f; |
| 205 |
|
|
| 206 |
// setup LFO 3 (VCO LFO) |
// the filter implementations of the original GSt filter types take an |
| 207 |
{ |
// abstract cutoff parameter range of 0..127, whereas our own filter |
| 208 |
uint16_t lfo3_internal_depth; |
// types take a cutoff parameter in Hz, so remap here: |
| 209 |
switch (pDimRgn->LFO3Controller) { |
// 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
| 210 |
case ::gig::lfo3_ctrl_internal: |
if (!isGStFilter) { |
| 211 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
cutoff = (cutoff + 29.f) / (127.f + 29.f); |
| 212 |
pLFO3->ExtController = 0; // no external controller |
cutoff = cutoff * cutoff * cutoff * cutoff * 18000.f; |
| 213 |
break; |
if (cutoff > 0.49f * pEngine->SampleRate) |
| 214 |
case ::gig::lfo3_ctrl_modwheel: |
cutoff = 0.49f * pEngine->SampleRate; |
|
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, |
|
|
pEngineChannel->ControllerTable[pLFO3->ExtController], |
|
|
false, |
|
|
pEngine->SampleRate, |
|
|
Delay); |
|
| 215 |
} |
} |
| 216 |
|
|
| 217 |
|
fFinalCutoff = VCFCutoffCtrl.fvalue = cutoff; |
| 218 |
|
} |
| 219 |
|
|
| 220 |
#if CONFIG_FORCE_FILTER |
double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
| 221 |
const bool bUseFilter = true; |
float crossfadeVolume; |
| 222 |
#else // use filter only if instrument file told so |
switch (pRegion->AttenuationController.type) { |
| 223 |
const bool bUseFilter = pDimRgn->VCFEnabled; |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
| 224 |
#endif // CONFIG_FORCE_FILTER |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
| 225 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
break; |
| 226 |
if (bUseFilter) { |
case ::gig::attenuation_ctrl_t::type_velocity: |
| 227 |
#ifdef CONFIG_OVERRIDE_CUTOFF_CTRL |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
| 228 |
VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL; |
break; |
| 229 |
#else // use the one defined in the instrument file |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
| 230 |
switch (pDimRgn->VCFCutoffController) { |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
| 231 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
break; |
| 232 |
VCFCutoffCtrl.controller = 1; |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
| 233 |
break; |
default: |
| 234 |
case ::gig::vcf_cutoff_ctrl_effect1: |
crossfadeVolume = 1.0f; |
|
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 // CONFIG_OVERRIDE_CUTOFF_CTRL |
|
|
|
|
|
#ifdef CONFIG_OVERRIDE_RESONANCE_CTRL |
|
|
VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL; |
|
|
#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 // CONFIG_OVERRIDE_RESONANCE_CTRL |
|
|
|
|
|
#ifndef CONFIG_OVERRIDE_FILTER_TYPE |
|
|
FilterLeft.SetType(pDimRgn->VCFType); |
|
|
FilterRight.SetType(pDimRgn->VCFType); |
|
|
#else // override filter type |
|
|
FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
|
|
FilterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
|
|
#endif // CONFIG_OVERRIDE_FILTER_TYPE |
|
|
|
|
|
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
|
|
VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller]; |
|
|
|
|
|
// calculate cutoff frequency |
|
|
float cutoff = (!VCFCutoffCtrl.controller) |
|
|
? exp((float) (127 - itNoteOnEvent->Param.Note.Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX |
|
|
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX; |
|
|
|
|
|
// calculate resonance |
|
|
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
|
|
if (pDimRgn->VCFKeyboardTracking) { |
|
|
resonance += (float) (itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
|
|
} |
|
|
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
|
|
|
|
|
VCFCutoffCtrl.fvalue = cutoff - CONFIG_FILTER_CUTOFF_MIN; |
|
|
VCFResonanceCtrl.fvalue = resonance; |
|
|
|
|
|
FilterUpdateCounter = -1; |
|
|
} |
|
|
else { |
|
|
VCFCutoffCtrl.controller = 0; |
|
|
VCFResonanceCtrl.controller = 0; |
|
| 235 |
} |
} |
| 236 |
|
|
| 237 |
return 0; // success |
return crossfadeVolume; |
| 238 |
} |
} |
| 239 |
|
|
| 240 |
/** |
double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
| 241 |
* Renders the audio data for this voice for the current audio fragment. |
double eg1controllervalue = 0; |
| 242 |
* The sample input data can either come from RAM (cached sample or sample |
switch (pRegion->EG1Controller.type) { |
| 243 |
* part) or directly from disk. The output signal will be rendered by |
case ::gig::eg1_ctrl_t::type_none: // no controller defined |
| 244 |
* resampling / interpolation. If this voice is a disk streaming voice and |
eg1controllervalue = 0; |
| 245 |
* the voice completely played back the cached RAM part of the sample, it |
break; |
| 246 |
* will automatically switch to disk playback for the next RenderAudio() |
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
| 247 |
* call. |
eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 248 |
* |
break; |
| 249 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
case ::gig::eg1_ctrl_t::type_velocity: |
| 250 |
*/ |
eg1controllervalue = MIDIKeyVelocity; |
| 251 |
void Voice::Render(uint Samples) { |
break; |
| 252 |
|
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
| 253 |
// select default values for synthesis mode bits |
eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
| 254 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, (PitchBase * PitchBend) != 1.0f); |
break; |
|
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, true); |
|
|
SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false); |
|
|
|
|
|
// Reset the synthesis parameter matrix |
|
|
|
|
|
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume); |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
|
|
|
|
|
// 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, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent); |
|
|
pEG2->Process(Samples, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
|
|
if (pEG3->Process(Samples)) { // if pitch EG is active |
|
|
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
|
|
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
|
|
} |
|
|
pLFO1->Process(Samples); |
|
|
pLFO2->Process(Samples); |
|
|
if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active |
|
|
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
|
|
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
|
| 255 |
} |
} |
| 256 |
|
if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
| 257 |
|
|
| 258 |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
return eg1controllervalue; |
| 259 |
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
} |
|
|
|
|
switch (this->PlaybackState) { |
|
| 260 |
|
|
| 261 |
case playback_state_init: |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
| 262 |
this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
EGInfo eg; |
| 263 |
// no break - continue with playback_state_ram |
// (eg1attack is different from the others) |
| 264 |
|
if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0 |
| 265 |
case playback_state_ram: { |
(pRegion->EG1ControllerAttackInfluence == 0 || |
| 266 |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
eg1ControllerValue <= 10)) { // strange GSt special case |
| 267 |
|
eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger |
| 268 |
// render current fragment |
} else { |
| 269 |
Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
| 270 |
|
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
| 271 |
if (DiskVoice) { |
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
| 272 |
// check if we reached the allowed limit of the sample RAM cache |
} |
| 273 |
if (Pos > MaxRAMPos) { |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
| 274 |
dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", Pos)); |
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
| 275 |
this->PlaybackState = playback_state_disk; |
|
| 276 |
} |
return eg; |
| 277 |
} |
} |
| 278 |
else if (Pos >= pSample->GetCache().Size / pSample->FrameSize) { |
|
| 279 |
this->PlaybackState = playback_state_end; |
double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
| 280 |
} |
double eg2controllervalue = 0; |
| 281 |
} |
switch (pRegion->EG2Controller.type) { |
| 282 |
break; |
case ::gig::eg2_ctrl_t::type_none: // no controller defined |
| 283 |
|
eg2controllervalue = 0; |
|
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; |
|
|
KillImmediately(); |
|
|
return; |
|
|
} |
|
|
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
|
|
Pos -= int(Pos); |
|
|
RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet |
|
|
} |
|
|
|
|
|
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
|
|
|
|
|
// add silence sample at the end if we reached the end of the stream (for the interpolator) |
|
|
if (DiskStreamRef.State == Stream::state_end) { |
|
|
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
|
|
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
|
|
// remember how many sample words there are before any silence has been added |
|
|
if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead; |
|
|
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
|
|
} |
|
|
} |
|
|
|
|
|
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
|
|
|
|
|
// render current audio fragment |
|
|
Synthesize(Samples, ptr, Delay); |
|
|
|
|
|
const int iPos = (int) Pos; |
|
|
const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read |
|
|
DiskStreamRef.pStream->IncrementReadPos(readSampleWords); |
|
|
Pos -= iPos; // just keep fractional part of Pos |
|
|
|
|
|
// change state of voice to 'end' if we really reached the end of the sample data |
|
|
if (RealSampleWordsLeftToRead >= 0) { |
|
|
RealSampleWordsLeftToRead -= readSampleWords; |
|
|
if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end; |
|
|
} |
|
|
} |
|
| 284 |
break; |
break; |
| 285 |
|
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
| 286 |
case playback_state_end: |
eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 287 |
std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush; |
break; |
| 288 |
|
case ::gig::eg2_ctrl_t::type_velocity: |
| 289 |
|
eg2controllervalue = MIDIKeyVelocity; |
| 290 |
|
break; |
| 291 |
|
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
| 292 |
|
eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
| 293 |
break; |
break; |
| 294 |
} |
} |
| 295 |
|
if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
| 296 |
|
|
| 297 |
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
return eg2controllervalue; |
| 298 |
pEngineChannel->pSynthesisEvents[Event::destination_vca]->clear(); |
} |
|
pEngineChannel->pSynthesisEvents[Event::destination_vcfc]->clear(); |
|
|
pEngineChannel->pSynthesisEvents[Event::destination_vcfr]->clear(); |
|
|
|
|
|
// Reset delay |
|
|
Delay = 0; |
|
|
|
|
|
itTriggerEvent = Pool<Event>::Iterator(); |
|
|
|
|
|
// If sample stream or release stage finished, kill the voice |
|
|
if (PlaybackState == playback_state_end || pEG1->GetStage() == EGADSR::stage_end) KillImmediately(); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Resets voice variables. Should only be called if rendering process is |
|
|
* suspended / not running. |
|
|
*/ |
|
|
void Voice::Reset() { |
|
|
pLFO1->Reset(); |
|
|
pLFO2->Reset(); |
|
|
pLFO3->Reset(); |
|
|
FilterLeft.Reset(); |
|
|
FilterRight.Reset(); |
|
|
DiskStreamRef.pStream = NULL; |
|
|
DiskStreamRef.hStream = 0; |
|
|
DiskStreamRef.State = Stream::state_unused; |
|
|
DiskStreamRef.OrderID = 0; |
|
|
PlaybackState = playback_state_end; |
|
|
itTriggerEvent = Pool<Event>::Iterator(); |
|
|
itKillEvent = Pool<Event>::Iterator(); |
|
|
} |
|
|
|
|
|
/** |
|
|
* 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 |
|
|
RTList<Event>::Iterator itCCEvent = pEngineChannel->pCCEvents->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (itCCEvent && itCCEvent->FragmentPos() <= Delay) ++itCCEvent; |
|
|
} |
|
|
while (itCCEvent) { |
|
|
if (itCCEvent->Param.CC.Controller) { // if valid MIDI controller |
|
|
if (itCCEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
|
|
*pEngineChannel->pSynthesisEvents[Event::destination_vcfc]->allocAppend() = *itCCEvent; |
|
|
} |
|
|
if (itCCEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
|
|
*pEngineChannel->pSynthesisEvents[Event::destination_vcfr]->allocAppend() = *itCCEvent; |
|
|
} |
|
|
if (itCCEvent->Param.CC.Controller == pLFO1->ExtController) { |
|
|
pLFO1->SendEvent(itCCEvent); |
|
|
} |
|
|
if (itCCEvent->Param.CC.Controller == pLFO2->ExtController) { |
|
|
pLFO2->SendEvent(itCCEvent); |
|
|
} |
|
|
if (itCCEvent->Param.CC.Controller == pLFO3->ExtController) { |
|
|
pLFO3->SendEvent(itCCEvent); |
|
|
} |
|
|
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
|
|
itCCEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
|
|
*pEngineChannel->pSynthesisEvents[Event::destination_vca]->allocAppend() = *itCCEvent; |
|
|
} |
|
|
} |
|
|
|
|
|
++itCCEvent; |
|
|
} |
|
| 299 |
|
|
| 300 |
|
Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
| 301 |
|
EGInfo eg; |
| 302 |
|
eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
| 303 |
|
eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
| 304 |
|
eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
| 305 |
|
|
| 306 |
// process pitch events |
return eg; |
| 307 |
{ |
} |
|
RTList<Event>* pVCOEventList = pEngineChannel->pSynthesisEvents[Event::destination_vco]; |
|
|
RTList<Event>::Iterator itVCOEvent = pVCOEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent; |
|
|
} |
|
|
// apply old pitchbend value until first pitch event occurs |
|
|
if (this->PitchBend != 1.0) { |
|
|
uint end = (itVCOEvent) ? itVCOEvent->FragmentPos() : Samples; |
|
|
for (uint i = Delay; i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
|
|
} |
|
|
} |
|
|
float pitch; |
|
|
while (itVCOEvent) { |
|
|
RTList<Event>::Iterator itNextVCOEvent = itVCOEvent; |
|
|
++itNextVCOEvent; |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (itNextVCOEvent) ? itNextVCOEvent->FragmentPos() : Samples; |
|
|
|
|
|
pitch = RTMath::CentsToFreqRatio(((double) itVCOEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
|
|
|
|
|
// apply pitch value to the pitch parameter sequence |
|
|
for (uint i = itVCOEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
|
|
} |
|
| 308 |
|
|
| 309 |
itVCOEvent = itNextVCOEvent; |
void Voice::InitLFO1() { |
| 310 |
} |
uint16_t lfo1_internal_depth; |
| 311 |
if (!pVCOEventList->isEmpty()) { |
switch (pRegion->LFO1Controller) { |
| 312 |
this->PitchBend = pitch; |
case ::gig::lfo1_ctrl_internal: |
| 313 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 314 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
pLFO1->ExtController = 0; // no external controller |
| 315 |
} |
bLFO1Enabled = (lfo1_internal_depth > 0); |
| 316 |
|
break; |
| 317 |
|
case ::gig::lfo1_ctrl_modwheel: |
| 318 |
|
lfo1_internal_depth = 0; |
| 319 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
| 320 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 321 |
|
break; |
| 322 |
|
case ::gig::lfo1_ctrl_breath: |
| 323 |
|
lfo1_internal_depth = 0; |
| 324 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
| 325 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 326 |
|
break; |
| 327 |
|
case ::gig::lfo1_ctrl_internal_modwheel: |
| 328 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 329 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
| 330 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 331 |
|
break; |
| 332 |
|
case ::gig::lfo1_ctrl_internal_breath: |
| 333 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 334 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
| 335 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 336 |
|
break; |
| 337 |
|
default: |
| 338 |
|
lfo1_internal_depth = 0; |
| 339 |
|
pLFO1->ExtController = 0; // no external controller |
| 340 |
|
bLFO1Enabled = false; |
| 341 |
|
} |
| 342 |
|
if (bLFO1Enabled) { |
| 343 |
|
pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm), |
| 344 |
|
pRegion->LFO1Frequency, |
| 345 |
|
pRegion->LFO1Phase, |
| 346 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 347 |
|
lfo1_internal_depth, |
| 348 |
|
pRegion->LFO1ControlDepth, |
| 349 |
|
pRegion->LFO1FlipPhase, |
| 350 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 351 |
|
pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
| 352 |
|
pLFO1->setScriptDepthFactor( |
| 353 |
|
pNote->Override.AmpLFODepth.Value, |
| 354 |
|
pNote->Override.AmpLFODepth.Final |
| 355 |
|
); |
| 356 |
|
if (pNote->Override.AmpLFOFreq.isFinal()) |
| 357 |
|
pLFO1->setScriptFrequencyFinal( |
| 358 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
| 359 |
|
); |
| 360 |
|
else |
| 361 |
|
pLFO1->setScriptFrequencyFactor( |
| 362 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
| 363 |
|
); |
| 364 |
} |
} |
| 365 |
|
} |
| 366 |
|
|
| 367 |
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
void Voice::InitLFO2() { |
| 368 |
{ |
uint16_t lfo2_internal_depth; |
| 369 |
RTList<Event>* pVCAEventList = pEngineChannel->pSynthesisEvents[Event::destination_vca]; |
switch (pRegion->LFO2Controller) { |
| 370 |
RTList<Event>::Iterator itVCAEvent = pVCAEventList->first(); |
case ::gig::lfo2_ctrl_internal: |
| 371 |
if (Delay) { // skip events that happened before this voice was triggered |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 372 |
while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent; |
pLFO2->ExtController = 0; // no external controller |
| 373 |
} |
bLFO2Enabled = (lfo2_internal_depth > 0); |
| 374 |
float crossfadevolume; |
break; |
| 375 |
while (itVCAEvent) { |
case ::gig::lfo2_ctrl_modwheel: |
| 376 |
RTList<Event>::Iterator itNextVCAEvent = itVCAEvent; |
lfo2_internal_depth = 0; |
| 377 |
++itNextVCAEvent; |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 378 |
|
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 379 |
// calculate the influence length of this event (in sample points) |
break; |
| 380 |
uint end = (itNextVCAEvent) ? itNextVCAEvent->FragmentPos() : Samples; |
case ::gig::lfo2_ctrl_foot: |
| 381 |
|
lfo2_internal_depth = 0; |
| 382 |
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 383 |
|
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 384 |
float effective_volume = crossfadevolume * this->Volume * pEngineChannel->GlobalVolume; |
break; |
| 385 |
|
case ::gig::lfo2_ctrl_internal_modwheel: |
| 386 |
// apply volume value to the volume parameter sequence |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 387 |
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 388 |
pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 389 |
} |
break; |
| 390 |
|
case ::gig::lfo2_ctrl_internal_foot: |
| 391 |
itVCAEvent = itNextVCAEvent; |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 392 |
} |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 393 |
if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume; |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 394 |
|
break; |
| 395 |
|
default: |
| 396 |
|
lfo2_internal_depth = 0; |
| 397 |
|
pLFO2->ExtController = 0; // no external controller |
| 398 |
|
bLFO2Enabled = false; |
| 399 |
|
} |
| 400 |
|
if (bLFO2Enabled) { |
| 401 |
|
pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm), |
| 402 |
|
pRegion->LFO2Frequency, |
| 403 |
|
pRegion->LFO2Phase, |
| 404 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 405 |
|
lfo2_internal_depth, |
| 406 |
|
pRegion->LFO2ControlDepth, |
| 407 |
|
pRegion->LFO2FlipPhase, |
| 408 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 409 |
|
pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
| 410 |
|
pLFO2->setScriptDepthFactor( |
| 411 |
|
pNote->Override.CutoffLFODepth.Value, |
| 412 |
|
pNote->Override.CutoffLFODepth.Final |
| 413 |
|
); |
| 414 |
|
if (pNote->Override.CutoffLFOFreq.isFinal()) |
| 415 |
|
pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 416 |
|
else |
| 417 |
|
pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 418 |
} |
} |
| 419 |
|
} |
| 420 |
|
|
| 421 |
// process filter cutoff events |
void Voice::InitLFO3() { |
| 422 |
{ |
uint16_t lfo3_internal_depth; |
| 423 |
RTList<Event>* pCutoffEventList = pEngineChannel->pSynthesisEvents[Event::destination_vcfc]; |
switch (pRegion->LFO3Controller) { |
| 424 |
RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first(); |
case ::gig::lfo3_ctrl_internal: |
| 425 |
if (Delay) { // skip events that happened before this voice was triggered |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 426 |
while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent; |
pLFO3->ExtController = 0; // no external controller |
| 427 |
} |
bLFO3Enabled = (lfo3_internal_depth > 0); |
| 428 |
float cutoff; |
break; |
| 429 |
while (itCutoffEvent) { |
case ::gig::lfo3_ctrl_modwheel: |
| 430 |
RTList<Event>::Iterator itNextCutoffEvent = itCutoffEvent; |
lfo3_internal_depth = 0; |
| 431 |
++itNextCutoffEvent; |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 432 |
|
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
| 433 |
// calculate the influence length of this event (in sample points) |
break; |
| 434 |
uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples; |
case ::gig::lfo3_ctrl_aftertouch: |
| 435 |
|
lfo3_internal_depth = 0; |
| 436 |
cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX - CONFIG_FILTER_CUTOFF_MIN; |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 437 |
|
bLFO3Enabled = true; |
| 438 |
// apply cutoff frequency to the cutoff parameter sequence |
break; |
| 439 |
for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) { |
case ::gig::lfo3_ctrl_internal_modwheel: |
| 440 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 441 |
} |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 442 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 443 |
itCutoffEvent = itNextCutoffEvent; |
break; |
| 444 |
} |
case ::gig::lfo3_ctrl_internal_aftertouch: |
| 445 |
if (!pCutoffEventList->isEmpty()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 446 |
|
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 447 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 448 |
|
break; |
| 449 |
|
default: |
| 450 |
|
lfo3_internal_depth = 0; |
| 451 |
|
pLFO3->ExtController = 0; // no external controller |
| 452 |
|
bLFO3Enabled = false; |
| 453 |
|
} |
| 454 |
|
if (bLFO3Enabled) { |
| 455 |
|
pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm), |
| 456 |
|
pRegion->LFO3Frequency, |
| 457 |
|
pRegion->LFO3Phase, |
| 458 |
|
LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 459 |
|
lfo3_internal_depth, |
| 460 |
|
pRegion->LFO3ControlDepth, |
| 461 |
|
pRegion->LFO3FlipPhase, |
| 462 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 463 |
|
pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
| 464 |
|
pLFO3->setScriptDepthFactor( |
| 465 |
|
pNote->Override.PitchLFODepth.Value, |
| 466 |
|
pNote->Override.PitchLFODepth.Final |
| 467 |
|
); |
| 468 |
|
if (pNote->Override.PitchLFOFreq.isFinal()) |
| 469 |
|
pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 470 |
|
else |
| 471 |
|
pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 472 |
|
} |
| 473 |
|
} |
| 474 |
|
|
| 475 |
|
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
| 476 |
|
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
| 477 |
|
if (pRegion->VCFKeyboardTracking) { |
| 478 |
|
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
| 479 |
|
} |
| 480 |
|
return cutoff; |
| 481 |
|
} |
| 482 |
|
|
| 483 |
|
// This is just called when the voice is triggered. On any subsequent cutoff |
| 484 |
|
// controller changes ProcessCutoffEvent() is called instead. |
| 485 |
|
float Voice::CalculateFinalCutoff(float cutoffBase) { |
| 486 |
|
// if the selected filter type is an official GigaStudio filter type |
| 487 |
|
// then we preserve the original (no matter how odd) historical GSt |
| 488 |
|
// behaviour identically; for our own filter types though we deviate to |
| 489 |
|
// more meaningful behaviours where appropriate |
| 490 |
|
const bool isGStFilter = isGStFilterType(pRegion->VCFType); |
| 491 |
|
|
| 492 |
|
// get current cutoff CC or velocity value (always 0..127) |
| 493 |
|
float cvalue; |
| 494 |
|
if (VCFCutoffCtrl.controller) { |
| 495 |
|
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
| 496 |
|
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
| 497 |
|
if (isGStFilter) { |
| 498 |
|
// VCFVelocityScale in this case means "minimum cutoff" for GSt |
| 499 |
|
if (cvalue < MinCutoff()) cvalue = MinCutoff(); |
| 500 |
|
} else { |
| 501 |
|
// for our own filter types we interpret "minimum cutoff" |
| 502 |
|
// differently: GSt handles this as a simple hard limit with the |
| 503 |
|
// consequence that a certain range of the controller is simply |
| 504 |
|
// dead; so for our filter types we rather remap that to |
| 505 |
|
// restrain within the min_cutoff..127 range as well, but |
| 506 |
|
// effectively spanned over the entire controller range (0..127) |
| 507 |
|
// to avoid such a "dead" lower controller zone |
| 508 |
|
cvalue = MinCutoff() + (cvalue / 127.f) * float(127 - MinCutoff()); |
| 509 |
|
} |
| 510 |
|
} else { |
| 511 |
|
// in case of velocity, VCFVelocityScale parameter is already |
| 512 |
|
// handled on libgig side (so by calling |
| 513 |
|
// pRegion->GetVelocityCutoff(velo) in CalculateCutoffBase() above) |
| 514 |
|
cvalue = pRegion->VCFCutoff; |
| 515 |
|
} |
| 516 |
|
|
| 517 |
|
float fco = cutoffBase * cvalue; |
| 518 |
|
if (fco > 127.0f) fco = 127.0f; |
| 519 |
|
|
| 520 |
|
// the filter implementations of the original GSt filter types take an |
| 521 |
|
// abstract cutoff parameter range of 0..127, ... |
| 522 |
|
if (isGStFilter) |
| 523 |
|
return fco; |
| 524 |
|
|
| 525 |
|
// ... whereas our own filter types take a cutoff parameter in Hz, so |
| 526 |
|
// remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
| 527 |
|
fco = (fco + 29.f) / (127.f + 29.f); |
| 528 |
|
fco = fco * fco * fco * fco * 18000.f; |
| 529 |
|
if (fco > 0.49f * pEngine->SampleRate) |
| 530 |
|
fco = 0.49f * pEngine->SampleRate; |
| 531 |
|
return fco; |
| 532 |
|
} |
| 533 |
|
|
| 534 |
|
uint8_t Voice::GetVCFCutoffCtrl() { |
| 535 |
|
uint8_t ctrl; |
| 536 |
|
switch (pRegion->VCFCutoffController) { |
| 537 |
|
case ::gig::vcf_cutoff_ctrl_modwheel: |
| 538 |
|
ctrl = 1; |
| 539 |
|
break; |
| 540 |
|
case ::gig::vcf_cutoff_ctrl_effect1: |
| 541 |
|
ctrl = 12; |
| 542 |
|
break; |
| 543 |
|
case ::gig::vcf_cutoff_ctrl_effect2: |
| 544 |
|
ctrl = 13; |
| 545 |
|
break; |
| 546 |
|
case ::gig::vcf_cutoff_ctrl_breath: |
| 547 |
|
ctrl = 2; |
| 548 |
|
break; |
| 549 |
|
case ::gig::vcf_cutoff_ctrl_foot: |
| 550 |
|
ctrl = 4; |
| 551 |
|
break; |
| 552 |
|
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
| 553 |
|
ctrl = 64; |
| 554 |
|
break; |
| 555 |
|
case ::gig::vcf_cutoff_ctrl_softpedal: |
| 556 |
|
ctrl = 67; |
| 557 |
|
break; |
| 558 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
| 559 |
|
ctrl = 82; |
| 560 |
|
break; |
| 561 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
| 562 |
|
ctrl = 83; |
| 563 |
|
break; |
| 564 |
|
case ::gig::vcf_cutoff_ctrl_aftertouch: |
| 565 |
|
ctrl = CTRL_TABLE_IDX_AFTERTOUCH; |
| 566 |
|
break; |
| 567 |
|
case ::gig::vcf_cutoff_ctrl_none: |
| 568 |
|
default: |
| 569 |
|
ctrl = 0; |
| 570 |
|
break; |
| 571 |
} |
} |
| 572 |
|
|
| 573 |
// process filter resonance events |
return ctrl; |
|
{ |
|
|
RTList<Event>* pResonanceEventList = pEngineChannel->pSynthesisEvents[Event::destination_vcfr]; |
|
|
RTList<Event>::Iterator itResonanceEvent = pResonanceEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (itResonanceEvent && itResonanceEvent->FragmentPos() <= Delay) ++itResonanceEvent; |
|
|
} |
|
|
while (itResonanceEvent) { |
|
|
RTList<Event>::Iterator itNextResonanceEvent = itResonanceEvent; |
|
|
++itNextResonanceEvent; |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (itNextResonanceEvent) ? itNextResonanceEvent->FragmentPos() : Samples; |
|
|
|
|
|
// convert absolute controller value to differential |
|
|
int ctrldelta = itResonanceEvent->Param.CC.Value - VCFResonanceCtrl.value; |
|
|
VCFResonanceCtrl.value = itResonanceEvent->Param.CC.Value; |
|
|
|
|
|
float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
|
|
|
|
|
// apply cutoff frequency to the cutoff parameter sequence |
|
|
for (uint i = itResonanceEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta; |
|
|
} |
|
|
|
|
|
itResonanceEvent = itNextResonanceEvent; |
|
|
} |
|
|
if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time |
|
|
} |
|
| 574 |
} |
} |
| 575 |
|
|
| 576 |
/** |
uint8_t Voice::GetVCFResonanceCtrl() { |
| 577 |
* Calculate all necessary, final biquad filter parameters. |
uint8_t ctrl; |
| 578 |
* |
switch (pRegion->VCFResonanceController) { |
| 579 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
case ::gig::vcf_res_ctrl_genpurpose3: |
| 580 |
*/ |
ctrl = 18; |
| 581 |
void Voice::CalculateBiquadParameters(uint Samples) { |
break; |
| 582 |
biquad_param_t bqbase; |
case ::gig::vcf_res_ctrl_genpurpose4: |
| 583 |
biquad_param_t bqmain; |
ctrl = 19; |
| 584 |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
break; |
| 585 |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
case ::gig::vcf_res_ctrl_genpurpose5: |
| 586 |
FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
ctrl = 80; |
| 587 |
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
break; |
| 588 |
pEngine->pBasicFilterParameters[0] = bqbase; |
case ::gig::vcf_res_ctrl_genpurpose6: |
| 589 |
pEngine->pMainFilterParameters[0] = bqmain; |
ctrl = 81; |
| 590 |
|
break; |
| 591 |
float* bq; |
case ::gig::vcf_res_ctrl_none: |
| 592 |
for (int i = 1; i < Samples; i++) { |
default: |
| 593 |
// recalculate biquad parameters if cutoff or resonance differ from previous sample point |
ctrl = 0; |
|
if (!(i & FILTER_UPDATE_MASK)) { |
|
|
if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res || |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) |
|
|
{ |
|
|
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
|
|
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
|
|
FilterLeft.SetParameters( &bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
|
|
FilterRight.SetParameters(&bqbase, &bqmain, prev_cutoff + CONFIG_FILTER_CUTOFF_MIN, prev_res, pEngine->SampleRate); |
|
|
} |
|
|
} |
|
|
|
|
|
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
|
|
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
|
|
bq[0] = bqbase.b0; |
|
|
bq[1] = bqbase.b1; |
|
|
bq[2] = bqbase.b2; |
|
|
bq[3] = bqbase.a1; |
|
|
bq[4] = bqbase.a2; |
|
|
|
|
|
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
|
|
bq = (float*) &pEngine->pMainFilterParameters[i]; |
|
|
bq[0] = bqmain.b0; |
|
|
bq[1] = bqmain.b1; |
|
|
bq[2] = bqmain.b2; |
|
|
bq[3] = bqmain.a1; |
|
|
bq[4] = bqmain.a2; |
|
| 594 |
} |
} |
|
} |
|
| 595 |
|
|
| 596 |
/** |
return ctrl; |
|
* Synthesizes the current audio fragment for this voice. |
|
|
* |
|
|
* @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::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
|
|
RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Immediately kill the voice. This method should not be used to kill |
|
|
* a normal, active voice, because it doesn't take care of things like |
|
|
* fading down the volume level to avoid clicks and regular processing |
|
|
* until the kill event actually occured! |
|
|
* |
|
|
* @see Kill() |
|
|
*/ |
|
|
void Voice::KillImmediately() { |
|
|
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
|
|
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
|
|
} |
|
|
Reset(); |
|
| 597 |
} |
} |
| 598 |
|
|
| 599 |
/** |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 600 |
* Kill the voice in regular sense. Let the voice render audio until |
EG1.setStateOptions( |
| 601 |
* the kill event actually occured and then fade down the volume level |
pRegion->EG1Options.AttackCancel, |
| 602 |
* very quickly and let the voice die finally. Unlike a normal release |
pRegion->EG1Options.AttackHoldCancel, |
| 603 |
* of a voice, a kill process cannot be cancalled and is therefore |
pRegion->EG1Options.Decay1Cancel, |
| 604 |
* usually used for voice stealing and key group conflicts. |
pRegion->EG1Options.Decay2Cancel, |
| 605 |
* |
pRegion->EG1Options.ReleaseCancel |
| 606 |
* @param itKillEvent - event which caused the voice to be killed |
); |
| 607 |
*/ |
EG1.trigger(pRegion->EG1PreAttack, |
| 608 |
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
(pNote && pNote->Override.Attack.isFinal()) ? |
| 609 |
#if CONFIG_DEVMODE |
pNote->Override.Attack.Value : |
| 610 |
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack, |
| 611 |
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
pRegion->EG1Hold, |
| 612 |
#endif // CONFIG_DEVMODE |
(pNote && pNote->Override.Decay.isFinal()) ? |
| 613 |
|
pNote->Override.Decay.Value : |
| 614 |
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
| 615 |
this->itKillEvent = itKillEvent; |
(pNote && pNote->Override.Decay.isFinal()) ? |
| 616 |
|
pNote->Override.Decay.Value : |
| 617 |
|
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
| 618 |
|
pRegion->EG1InfiniteSustain, |
| 619 |
|
(pNote && pNote->Override.Sustain.Final) ? |
| 620 |
|
uint(pNote->Override.Sustain.Value * 1000.f) : |
| 621 |
|
pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f), |
| 622 |
|
(pNote && pNote->Override.Release.isFinal()) ? |
| 623 |
|
pNote->Override.Release.Value : |
| 624 |
|
RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release, |
| 625 |
|
velocityAttenuation, |
| 626 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 627 |
|
} |
| 628 |
|
|
| 629 |
|
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 630 |
|
EG2.setStateOptions( |
| 631 |
|
pRegion->EG2Options.AttackCancel, |
| 632 |
|
pRegion->EG2Options.AttackHoldCancel, |
| 633 |
|
pRegion->EG2Options.Decay1Cancel, |
| 634 |
|
pRegion->EG2Options.Decay2Cancel, |
| 635 |
|
pRegion->EG2Options.ReleaseCancel |
| 636 |
|
); |
| 637 |
|
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
| 638 |
|
(pNote && pNote->Override.CutoffAttack.isFinal()) ? |
| 639 |
|
pNote->Override.CutoffAttack.Value : |
| 640 |
|
RgnInfo.EG2Attack * egInfo.Attack, |
| 641 |
|
false, |
| 642 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
| 643 |
|
pNote->Override.CutoffDecay.Value : |
| 644 |
|
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
| 645 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
| 646 |
|
pNote->Override.CutoffDecay.Value : |
| 647 |
|
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
| 648 |
|
RgnInfo.EG2InfiniteSustain, |
| 649 |
|
(pNote && pNote->Override.CutoffSustain.Final) ? |
| 650 |
|
uint(pNote->Override.CutoffSustain.Value * 1000.f) : |
| 651 |
|
uint(RgnInfo.EG2Sustain), |
| 652 |
|
(pNote && pNote->Override.CutoffRelease.isFinal()) ? |
| 653 |
|
pNote->Override.CutoffRelease.Value : |
| 654 |
|
RgnInfo.EG2Release * egInfo.Release * velrelease, |
| 655 |
|
velocityAttenuation, |
| 656 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 657 |
|
} |
| 658 |
|
|
| 659 |
|
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
| 660 |
|
dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type)); |
| 661 |
|
|
| 662 |
|
// TODO: The SustainPedal condition could be wrong, maybe the |
| 663 |
|
// check should be if this Voice is in release stage or is a |
| 664 |
|
// release sample instead. Need to test this in GSt. |
| 665 |
|
// -- Andreas |
| 666 |
|
// |
| 667 |
|
// Commented sustain pedal check out. I don't think voices of the same |
| 668 |
|
// note should be stopped at all, because it doesn't sound naturally |
| 669 |
|
// with a drumkit. |
| 670 |
|
// -- Christian, 2013-01-08 |
| 671 |
|
if (itEvent->Param.Note.Key != HostKey() /*|| |
| 672 |
|
!GetGigEngineChannel()->SustainPedal*/) { |
| 673 |
|
dmsg(4,("Voice %p - kill", (void*)this)); |
| 674 |
|
|
| 675 |
|
// kill the voice fast |
| 676 |
|
pEG1->enterFadeOutStage(); |
| 677 |
|
} |
| 678 |
|
} |
| 679 |
|
|
| 680 |
|
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
| 681 |
|
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
| 682 |
|
} |
| 683 |
|
|
| 684 |
|
int Voice::CalculatePan(uint8_t pan) { |
| 685 |
|
int p; |
| 686 |
|
// Gst behaviour: -64 and 63 are special cases |
| 687 |
|
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
| 688 |
|
else if (RgnInfo.Pan == 63) p = pan * 2; |
| 689 |
|
else p = pan + RgnInfo.Pan; |
| 690 |
|
|
| 691 |
|
if (p < 0) return 0; |
| 692 |
|
if (p > 127) return 127; |
| 693 |
|
return p; |
| 694 |
|
} |
| 695 |
|
|
| 696 |
|
release_trigger_t Voice::GetReleaseTriggerFlags() { |
| 697 |
|
release_trigger_t flags = |
| 698 |
|
(pRegion->NoNoteOffReleaseTrigger) ? |
| 699 |
|
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 |
| 700 |
|
switch (pRegion->SustainReleaseTrigger) { |
| 701 |
|
case ::gig::sust_rel_trg_none: |
| 702 |
|
break; |
| 703 |
|
case ::gig::sust_rel_trg_maxvelocity: |
| 704 |
|
flags |= release_trigger_sustain_maxvelocity; |
| 705 |
|
break; |
| 706 |
|
case ::gig::sust_rel_trg_keyvelocity: |
| 707 |
|
flags |= release_trigger_sustain_keyvelocity; |
| 708 |
|
break; |
| 709 |
|
} |
| 710 |
|
return flags; |
| 711 |
} |
} |
| 712 |
|
|
| 713 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |
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