| 3 |
* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
| 4 |
* * |
* * |
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* 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 * |
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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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#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" |
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#include "Voice.h" |
#include "Voice.h" |
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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| 36 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
// sanity checks: fromGigLfoWave() assumes equally mapped enums |
| 37 |
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static_assert(::gig::lfo_wave_sine == LFO::wave_sine); |
| 38 |
const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
static_assert(::gig::lfo_wave_triangle == LFO::wave_triangle); |
| 39 |
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static_assert(::gig::lfo_wave_saw == LFO::wave_saw); |
| 40 |
float Voice::CalculateFilterCutoffCoeff() { |
static_assert(::gig::lfo_wave_square == LFO::wave_square); |
| 41 |
return log(CONFIG_FILTER_CUTOFF_MIN / CONFIG_FILTER_CUTOFF_MAX); |
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| 42 |
} |
// converts ::gig::lfo_wave_t (libgig) -> LFO::wave_t (LinuxSampler) |
| 43 |
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inline LFO::wave_t fromGigLfoWave(::gig::lfo_wave_t wave) { |
| 44 |
int Voice::CalculateFilterUpdateMask() { |
// simply assuming equally mapped enums on both sides |
| 45 |
if (CONFIG_FILTER_UPDATE_STEPS <= 0) return 0; |
return static_cast<LFO::wave_t>(wave); |
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int power_of_two; |
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for (power_of_two = 0; 1<<power_of_two < CONFIG_FILTER_UPDATE_STEPS; power_of_two++); |
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return (1 << power_of_two) - 1; |
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| 46 |
} |
} |
| 47 |
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| 48 |
Voice::Voice() { |
Voice::Voice() { |
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pEngine = NULL; |
pEngine = NULL; |
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pDiskThread = NULL; |
pEG1 = &EG1; |
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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(); |
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| 52 |
} |
} |
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Voice::~Voice() { |
Voice::~Voice() { |
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if (pEG1) delete pEG1; |
} |
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if (pEG2) delete pEG2; |
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| 57 |
if (pEG3) delete pEG3; |
EngineChannel* Voice::GetGigEngineChannel() { |
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if (pLFO1) delete pLFO1; |
return static_cast<EngineChannel*>(pEngineChannel); |
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if (pLFO2) delete pLFO2; |
} |
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if (pLFO3) delete pLFO3; |
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if (pVCAManipulator) delete pVCAManipulator; |
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if (pVCFCManipulator) delete pVCFCManipulator; |
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if (pVCOManipulator) delete pVCOManipulator; |
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} |
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void Voice::SetEngine(Engine* pEngine) { |
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this->pEngine = pEngine; |
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// delete old objects |
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if (pEG1) delete pEG1; |
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if (pEG2) delete pEG2; |
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if (pEG3) delete pEG3; |
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if (pVCAManipulator) delete pVCAManipulator; |
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if (pVCFCManipulator) delete pVCFCManipulator; |
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if (pVCOManipulator) delete pVCOManipulator; |
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if (pLFO1) delete pLFO1; |
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if (pLFO2) delete pLFO2; |
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if (pLFO3) delete pLFO3; |
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// create new ones |
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pEG1 = new EGADSR(pEngine, Event::destination_vca); |
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pEG2 = new EGADSR(pEngine, Event::destination_vcfc); |
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pEG3 = new EGDecay(pEngine, Event::destination_vco); |
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pVCAManipulator = new VCAManipulator(pEngine); |
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pVCFCManipulator = new VCFCManipulator(pEngine); |
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pVCOManipulator = new VCOManipulator(pEngine); |
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pLFO1 = new LFO<gig::VCAManipulator>(0.0f, 1.0f, LFO<VCAManipulator>::propagation_top_down, pVCAManipulator, pEngine->pEventPool); |
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pLFO2 = new LFO<gig::VCFCManipulator>(0.0f, 1.0f, LFO<VCFCManipulator>::propagation_top_down, pVCFCManipulator, pEngine->pEventPool); |
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pLFO3 = new LFO<gig::VCOManipulator>(-1200.0f, 1200.0f, LFO<VCOManipulator>::propagation_middle_balanced, pVCOManipulator, pEngine->pEventPool); // +-1 octave (+-1200 cents) max. |
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this->pDiskThread = pEngine->pDiskThread; |
void Voice::SetEngine(LinuxSampler::Engine* pEngine) { |
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Engine* engine = static_cast<Engine*>(pEngine); |
| 63 |
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this->pEngine = engine; |
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this->pDiskThread = engine->pDiskThread; |
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dmsg(6,("Voice::SetEngine()\n")); |
dmsg(6,("Voice::SetEngine()\n")); |
| 66 |
} |
} |
| 67 |
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| 68 |
/** |
Voice::SampleInfo Voice::GetSampleInfo() { |
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* Initializes and triggers the voice, a disk stream will be launched if |
SampleInfo si; |
| 70 |
* needed. |
si.SampleRate = pSample->SamplesPerSecond; |
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* |
si.ChannelCount = pSample->Channels; |
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* @param pEngineChannel - engine channel on which this voice was ordered |
si.FrameSize = pSample->FrameSize; |
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* @param itNoteOnEvent - event that caused triggering of this voice |
si.BitDepth = pSample->BitDepth; |
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* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
si.TotalFrameCount = (uint)pSample->SamplesTotal; |
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* @param pDimRgn - points to the dimension region which provides sample wave(s) and articulation data |
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* @param VoiceType - type of this voice |
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* @param iKeyGroup - a value > 0 defines a key group in which this voice is member of |
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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::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) { |
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this->pEngineChannel = pEngineChannel; |
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this->pDimRgn = pDimRgn; |
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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 |
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Type = VoiceType; |
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MIDIKey = itNoteOnEvent->Param.Note.Key; |
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PlaybackState = playback_state_init; // mark voice as triggered, but no audio rendered yet |
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Delay = itNoteOnEvent->FragmentPos(); |
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itTriggerEvent = itNoteOnEvent; |
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itKillEvent = Pool<Event>::Iterator(); |
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KeyGroup = iKeyGroup; |
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pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
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// calculate volume |
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const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity); |
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Volume = velocityAttenuation / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
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Volume *= pDimRgn->SampleAttenuation; |
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// the volume of release triggered samples depends on note length |
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if (Type == type_release_trigger) { |
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float noteLength = float(pEngine->FrameTime + Delay - |
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pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate; |
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float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength; |
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if (attenuation <= 0) return -1; |
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Volume *= attenuation; |
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} |
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// select channel mode (mono or stereo) |
si.HasLoops = pRegion->SampleLoops; |
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SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
| 78 |
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si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0; |
| 79 |
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si.LoopPlayCount = pSample->LoopPlayCount; |
| 80 |
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si.Unpitched = !pRegion->PitchTrack; |
| 81 |
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| 82 |
// get starting crossfade volume level |
return si; |
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switch (pDimRgn->AttenuationController.type) { |
} |
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case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
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CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
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break; |
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case ::gig::attenuation_ctrl_t::type_velocity: |
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CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
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break; |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
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CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
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break; |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
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default: |
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CrossfadeVolume = 1.0f; |
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} |
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| 84 |
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| 85 |
PanLeft = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) / 63.0f; |
Voice::RegionInfo Voice::GetRegionInfo() { |
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PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f; |
RegionInfo ri; |
| 87 |
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ri.UnityNote = pRegion->UnityNote; |
| 88 |
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ri.FineTune = pRegion->FineTune; |
| 89 |
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ri.Pan = pRegion->Pan; |
| 90 |
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ri.SampleStartOffset = pRegion->SampleStartOffset; |
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| 92 |
Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
ri.EG2PreAttack = pRegion->EG2PreAttack; |
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ri.EG2Attack = pRegion->EG2Attack; |
| 94 |
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ri.EG2Decay1 = pRegion->EG2Decay1; |
| 95 |
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ri.EG2Decay2 = pRegion->EG2Decay2; |
| 96 |
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ri.EG2Sustain = pRegion->EG2Sustain; |
| 97 |
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ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; |
| 98 |
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ri.EG2Release = pRegion->EG2Release; |
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// Check if the sample needs disk streaming or is too short for that |
ri.EG3Attack = pRegion->EG3Attack; |
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long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
ri.EG3Depth = pRegion->EG3Depth; |
| 102 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
ri.VCFEnabled = pRegion->VCFEnabled; |
| 103 |
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ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
| 104 |
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ri.VCFResonance = pRegion->VCFResonance; |
| 105 |
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| 106 |
if (DiskVoice) { // voice to be streamed from disk |
ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
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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) |
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| 107 |
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| 108 |
// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
return ri; |
| 109 |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
} |
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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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| 110 |
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| 111 |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
Voice::InstrumentInfo Voice::GetInstrumentInfo() { |
| 112 |
dmsg(1,("Disk stream order failed!\n")); |
InstrumentInfo ii; |
| 113 |
KillImmediately(); |
ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune; |
| 114 |
return -1; |
ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange; |
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} |
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dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
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} |
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else { // RAM only voice |
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MaxRAMPos = cachedsamples; |
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if (pSample->Loops) { |
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RAMLoop = true; |
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LoopCyclesLeft = pSample->LoopPlayCount; |
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} |
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else RAMLoop = false; |
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dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no")); |
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} |
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| 115 |
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| 116 |
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return ii; |
| 117 |
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} |
| 118 |
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| 119 |
// calculate initial pitch value |
double Voice::GetSampleAttenuation() { |
| 120 |
{ |
return pRegion->SampleAttenuation; |
| 121 |
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
} |
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if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
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this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
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this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
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} |
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// the length of the decay and release curves are dependent on the velocity |
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const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
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// setup EG 1 (VCA EG) |
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{ |
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// get current value of EG1 controller |
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double eg1controllervalue; |
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switch (pDimRgn->EG1Controller.type) { |
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case ::gig::eg1_ctrl_t::type_none: // no controller defined |
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eg1controllervalue = 0; |
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break; |
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case ::gig::eg1_ctrl_t::type_channelaftertouch: |
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eg1controllervalue = 0; // TODO: aftertouch not yet supported |
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break; |
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case ::gig::eg1_ctrl_t::type_velocity: |
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eg1controllervalue = itNoteOnEvent->Param.Note.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 = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
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break; |
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} |
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if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
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| 122 |
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| 123 |
// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { |
| 124 |
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
return pRegion->GetVelocityAttenuation(MIDIKeyVelocity); |
| 125 |
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 0.0; |
} |
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double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0; |
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pEG1->Trigger(pDimRgn->EG1PreAttack, |
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pDimRgn->EG1Attack + eg1attack, |
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pDimRgn->EG1Hold, |
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pSample->LoopStart, |
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(pDimRgn->EG1Decay1 + eg1decay) * velrelease, |
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(pDimRgn->EG1Decay2 + eg1decay) * velrelease, |
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pDimRgn->EG1InfiniteSustain, |
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pDimRgn->EG1Sustain, |
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(pDimRgn->EG1Release + eg1release) * velrelease, |
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// the SSE synthesis implementation requires |
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// the vca start to be 16 byte aligned |
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SYNTHESIS_MODE_GET_IMPLEMENTATION(SynthesisMode) ? |
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Delay & 0xfffffffc : Delay, |
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velocityAttenuation); |
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} |
|
| 126 |
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| 127 |
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double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
| 128 |
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return pRegion->GetVelocityRelease(MIDIKeyVelocity); |
| 129 |
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} |
| 130 |
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| 131 |
// setup EG 2 (VCF Cutoff EG) |
void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) { |
| 132 |
{ |
if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
| 133 |
// get current value of EG2 controller |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
| 134 |
double eg2controllervalue; |
itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { |
| 135 |
switch (pDimRgn->EG2Controller.type) { |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
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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 = itNoteOnEvent->Param.Note.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 = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
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break; |
|
| 136 |
} |
} |
|
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
|
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|
|
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// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
|
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double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 0.0; |
|
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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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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) * velrelease, |
|
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(pDimRgn->EG2Decay2 + eg2decay) * velrelease, |
|
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pDimRgn->EG2InfiniteSustain, |
|
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pDimRgn->EG2Sustain, |
|
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(pDimRgn->EG2Release + eg2release) * velrelease, |
|
|
Delay, |
|
|
velocityAttenuation); |
|
| 137 |
} |
} |
| 138 |
|
} |
| 139 |
|
|
| 140 |
|
void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 141 |
// setup EG 3 (VCO EG) |
if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event |
| 142 |
{ |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) { |
| 143 |
double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]); |
| 144 |
pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay); |
} |
| 145 |
} |
} |
| 146 |
|
} |
| 147 |
|
|
| 148 |
|
void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 149 |
|
// Not used so far |
| 150 |
|
} |
| 151 |
|
|
| 152 |
// setup LFO 1 (VCA LFO) |
void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
| 153 |
{ |
int ccvalue = itEvent->Param.CC.Value; |
| 154 |
uint16_t lfo1_internal_depth; |
if (VCFCutoffCtrl.value == ccvalue) return; |
| 155 |
switch (pDimRgn->LFO1Controller) { |
VCFCutoffCtrl.value = ccvalue; |
| 156 |
case ::gig::lfo1_ctrl_internal: |
if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
| 157 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale; |
| 158 |
pLFO1->ExtController = 0; // no external controller |
float cutoff = CutoffBase * float(ccvalue); |
| 159 |
break; |
if (cutoff > 127.0f) cutoff = 127.0f; |
|
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); |
|
|
} |
|
| 160 |
|
|
| 161 |
|
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
| 162 |
|
fFinalCutoff = cutoff; |
| 163 |
|
} |
| 164 |
|
|
| 165 |
// setup LFO 2 (VCF Cutoff LFO) |
double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
| 166 |
{ |
float crossfadeVolume; |
| 167 |
uint16_t lfo2_internal_depth; |
switch (pRegion->AttenuationController.type) { |
| 168 |
switch (pDimRgn->LFO2Controller) { |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
| 169 |
case ::gig::lfo2_ctrl_internal: |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
| 170 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
break; |
| 171 |
pLFO2->ExtController = 0; // no external controller |
case ::gig::attenuation_ctrl_t::type_velocity: |
| 172 |
break; |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
| 173 |
case ::gig::lfo2_ctrl_modwheel: |
break; |
| 174 |
lfo2_internal_depth = 0; |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
| 175 |
pLFO2->ExtController = 1; // MIDI controller 1 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
| 176 |
break; |
break; |
| 177 |
case ::gig::lfo2_ctrl_foot: |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
| 178 |
lfo2_internal_depth = 0; |
default: |
| 179 |
pLFO2->ExtController = 4; // MIDI controller 4 |
crossfadeVolume = 1.0f; |
|
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); |
|
| 180 |
} |
} |
| 181 |
|
|
| 182 |
|
return crossfadeVolume; |
| 183 |
|
} |
| 184 |
|
|
| 185 |
// setup LFO 3 (VCO LFO) |
double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
| 186 |
{ |
double eg1controllervalue = 0; |
| 187 |
uint16_t lfo3_internal_depth; |
switch (pRegion->EG1Controller.type) { |
| 188 |
switch (pDimRgn->LFO3Controller) { |
case ::gig::eg1_ctrl_t::type_none: // no controller defined |
| 189 |
case ::gig::lfo3_ctrl_internal: |
eg1controllervalue = 0; |
| 190 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
break; |
| 191 |
pLFO3->ExtController = 0; // no external controller |
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
| 192 |
break; |
eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 193 |
case ::gig::lfo3_ctrl_modwheel: |
break; |
| 194 |
lfo3_internal_depth = 0; |
case ::gig::eg1_ctrl_t::type_velocity: |
| 195 |
pLFO3->ExtController = 1; // MIDI controller 1 |
eg1controllervalue = MIDIKeyVelocity; |
| 196 |
break; |
break; |
| 197 |
case ::gig::lfo3_ctrl_aftertouch: |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
| 198 |
lfo3_internal_depth = 0; |
eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
| 199 |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
break; |
|
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); |
|
| 200 |
} |
} |
| 201 |
|
if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
| 202 |
|
|
| 203 |
|
return eg1controllervalue; |
| 204 |
|
} |
| 205 |
|
|
| 206 |
#if CONFIG_FORCE_FILTER |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
| 207 |
const bool bUseFilter = true; |
EGInfo eg; |
| 208 |
#else // use filter only if instrument file told so |
// (eg1attack is different from the others) |
| 209 |
const bool bUseFilter = pDimRgn->VCFEnabled; |
if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0 |
| 210 |
#endif // CONFIG_FORCE_FILTER |
(pRegion->EG1ControllerAttackInfluence == 0 || |
| 211 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
eg1ControllerValue <= 10)) { // strange GSt special case |
| 212 |
if (bUseFilter) { |
eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger |
| 213 |
#ifdef CONFIG_OVERRIDE_CUTOFF_CTRL |
} else { |
| 214 |
VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL; |
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
| 215 |
#else // use the one defined in the instrument file |
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
| 216 |
switch (pDimRgn->VCFCutoffController) { |
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
| 217 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
} |
| 218 |
VCFCutoffCtrl.controller = 1; |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
| 219 |
break; |
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
| 220 |
case ::gig::vcf_cutoff_ctrl_effect1: |
|
| 221 |
VCFCutoffCtrl.controller = 12; |
return eg; |
| 222 |
break; |
} |
| 223 |
case ::gig::vcf_cutoff_ctrl_effect2: |
|
| 224 |
VCFCutoffCtrl.controller = 13; |
double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
| 225 |
break; |
double eg2controllervalue = 0; |
| 226 |
case ::gig::vcf_cutoff_ctrl_breath: |
switch (pRegion->EG2Controller.type) { |
| 227 |
VCFCutoffCtrl.controller = 2; |
case ::gig::eg2_ctrl_t::type_none: // no controller defined |
| 228 |
break; |
eg2controllervalue = 0; |
| 229 |
case ::gig::vcf_cutoff_ctrl_foot: |
break; |
| 230 |
VCFCutoffCtrl.controller = 4; |
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
| 231 |
break; |
eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 232 |
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
break; |
| 233 |
VCFCutoffCtrl.controller = 64; |
case ::gig::eg2_ctrl_t::type_velocity: |
| 234 |
break; |
eg2controllervalue = MIDIKeyVelocity; |
| 235 |
case ::gig::vcf_cutoff_ctrl_softpedal: |
break; |
| 236 |
VCFCutoffCtrl.controller = 67; |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
| 237 |
break; |
eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
| 238 |
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
break; |
| 239 |
VCFCutoffCtrl.controller = 82; |
} |
| 240 |
break; |
if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
|
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 |
|
| 241 |
|
|
| 242 |
#ifdef CONFIG_OVERRIDE_RESONANCE_CTRL |
return eg2controllervalue; |
| 243 |
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 |
|
| 244 |
|
|
| 245 |
#ifndef CONFIG_OVERRIDE_FILTER_TYPE |
Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
| 246 |
FilterLeft.SetType(pDimRgn->VCFType); |
EGInfo eg; |
| 247 |
FilterRight.SetType(pDimRgn->VCFType); |
eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
| 248 |
#else // override filter type |
eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
| 249 |
FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
|
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) |
|
| 250 |
|
|
| 251 |
VCFCutoffCtrl.fvalue = cutoff - CONFIG_FILTER_CUTOFF_MIN; |
return eg; |
| 252 |
VCFResonanceCtrl.fvalue = resonance; |
} |
| 253 |
|
|
| 254 |
FilterUpdateCounter = -1; |
void Voice::InitLFO1() { |
| 255 |
} |
uint16_t lfo1_internal_depth; |
| 256 |
else { |
switch (pRegion->LFO1Controller) { |
| 257 |
VCFCutoffCtrl.controller = 0; |
case ::gig::lfo1_ctrl_internal: |
| 258 |
VCFResonanceCtrl.controller = 0; |
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 259 |
|
pLFO1->ExtController = 0; // no external controller |
| 260 |
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
| 261 |
|
break; |
| 262 |
|
case ::gig::lfo1_ctrl_modwheel: |
| 263 |
|
lfo1_internal_depth = 0; |
| 264 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
| 265 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 266 |
|
break; |
| 267 |
|
case ::gig::lfo1_ctrl_breath: |
| 268 |
|
lfo1_internal_depth = 0; |
| 269 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
| 270 |
|
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 271 |
|
break; |
| 272 |
|
case ::gig::lfo1_ctrl_internal_modwheel: |
| 273 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 274 |
|
pLFO1->ExtController = 1; // MIDI controller 1 |
| 275 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 276 |
|
break; |
| 277 |
|
case ::gig::lfo1_ctrl_internal_breath: |
| 278 |
|
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 279 |
|
pLFO1->ExtController = 2; // MIDI controller 2 |
| 280 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 281 |
|
break; |
| 282 |
|
default: |
| 283 |
|
lfo1_internal_depth = 0; |
| 284 |
|
pLFO1->ExtController = 0; // no external controller |
| 285 |
|
bLFO1Enabled = false; |
| 286 |
|
} |
| 287 |
|
if (bLFO1Enabled) { |
| 288 |
|
pLFO1->trigger(fromGigLfoWave(pRegion->LFO1WaveForm), |
| 289 |
|
pRegion->LFO1Frequency, |
| 290 |
|
pRegion->LFO1Phase, |
| 291 |
|
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 292 |
|
lfo1_internal_depth, |
| 293 |
|
pRegion->LFO1ControlDepth, |
| 294 |
|
pRegion->LFO1FlipPhase, |
| 295 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 296 |
|
pLFO1->updateByMIDICtrlValue(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
| 297 |
|
pLFO1->setScriptDepthFactor( |
| 298 |
|
pNote->Override.AmpLFODepth.Value, |
| 299 |
|
pNote->Override.AmpLFODepth.Final |
| 300 |
|
); |
| 301 |
|
if (pNote->Override.AmpLFOFreq.isFinal()) |
| 302 |
|
pLFO1->setScriptFrequencyFinal( |
| 303 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
| 304 |
|
); |
| 305 |
|
else |
| 306 |
|
pLFO1->setScriptFrequencyFactor( |
| 307 |
|
pNote->Override.AmpLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE |
| 308 |
|
); |
| 309 |
} |
} |
|
|
|
|
return 0; // success |
|
| 310 |
} |
} |
| 311 |
|
|
| 312 |
/** |
void Voice::InitLFO2() { |
| 313 |
* Renders the audio data for this voice for the current audio fragment. |
uint16_t lfo2_internal_depth; |
| 314 |
* The sample input data can either come from RAM (cached sample or sample |
switch (pRegion->LFO2Controller) { |
| 315 |
* part) or directly from disk. The output signal will be rendered by |
case ::gig::lfo2_ctrl_internal: |
| 316 |
* resampling / interpolation. If this voice is a disk streaming voice and |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 317 |
* the voice completely played back the cached RAM part of the sample, it |
pLFO2->ExtController = 0; // no external controller |
| 318 |
* will automatically switch to disk playback for the next RenderAudio() |
bLFO2Enabled = (lfo2_internal_depth > 0); |
| 319 |
* call. |
break; |
| 320 |
* |
case ::gig::lfo2_ctrl_modwheel: |
| 321 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
lfo2_internal_depth = 0; |
| 322 |
*/ |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 323 |
void Voice::Render(uint Samples) { |
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 324 |
|
break; |
| 325 |
// select default values for synthesis mode bits |
case ::gig::lfo2_ctrl_foot: |
| 326 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, (PitchBase * PitchBend) != 1.0f); |
lfo2_internal_depth = 0; |
| 327 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, true); |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 328 |
SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false); |
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 329 |
|
break; |
| 330 |
// Reset the synthesis parameter matrix |
case ::gig::lfo2_ctrl_internal_modwheel: |
| 331 |
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 332 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume); |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 333 |
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 334 |
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
break; |
| 335 |
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
case ::gig::lfo2_ctrl_internal_foot: |
| 336 |
|
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 337 |
// Apply events to the synthesis parameter matrix |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 338 |
ProcessEvents(Samples); |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 339 |
|
break; |
| 340 |
// Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment |
default: |
| 341 |
pEG1->Process(Samples, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend, itKillEvent); |
lfo2_internal_depth = 0; |
| 342 |
pEG2->Process(Samples, pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents, itTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
pLFO2->ExtController = 0; // no external controller |
| 343 |
if (pEG3->Process(Samples)) { // if pitch EG is active |
bLFO2Enabled = false; |
| 344 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
} |
| 345 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
if (bLFO2Enabled) { |
| 346 |
} |
pLFO2->trigger(fromGigLfoWave(pRegion->LFO2WaveForm), |
| 347 |
pLFO1->Process(Samples); |
pRegion->LFO2Frequency, |
| 348 |
pLFO2->Process(Samples); |
pRegion->LFO2Phase, |
| 349 |
if (pLFO3->Process(Samples)) { // if pitch LFO modulation is active |
LFO::start_level_mid, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 350 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
lfo2_internal_depth, |
| 351 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
pRegion->LFO2ControlDepth, |
| 352 |
} |
pRegion->LFO2FlipPhase, |
| 353 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 354 |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) |
pLFO2->updateByMIDICtrlValue(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
| 355 |
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
pLFO2->setScriptDepthFactor( |
| 356 |
|
pNote->Override.CutoffLFODepth.Value, |
| 357 |
switch (this->PlaybackState) { |
pNote->Override.CutoffLFODepth.Final |
| 358 |
|
); |
| 359 |
case playback_state_init: |
if (pNote->Override.CutoffLFOFreq.isFinal()) |
| 360 |
this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
pLFO2->setScriptFrequencyFinal(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 361 |
// no break - continue with playback_state_ram |
else |
| 362 |
|
pLFO2->setScriptFrequencyFactor(pNote->Override.CutoffLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
case playback_state_ram: { |
|
|
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
|
|
|
|
|
// render current fragment |
|
|
Synthesize(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; |
|
|
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; |
|
|
} |
|
|
} |
|
|
break; |
|
|
|
|
|
case playback_state_end: |
|
|
std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush; |
|
|
break; |
|
|
} |
|
|
|
|
|
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
|
|
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; |
|
| 363 |
} |
} |
| 364 |
|
} |
| 365 |
|
|
| 366 |
|
void Voice::InitLFO3() { |
| 367 |
// process pitch events |
uint16_t lfo3_internal_depth; |
| 368 |
{ |
switch (pRegion->LFO3Controller) { |
| 369 |
RTList<Event>* pVCOEventList = pEngineChannel->pSynthesisEvents[Event::destination_vco]; |
case ::gig::lfo3_ctrl_internal: |
| 370 |
RTList<Event>::Iterator itVCOEvent = pVCOEventList->first(); |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 371 |
if (Delay) { // skip events that happened before this voice was triggered |
pLFO3->ExtController = 0; // no external controller |
| 372 |
while (itVCOEvent && itVCOEvent->FragmentPos() <= Delay) ++itVCOEvent; |
bLFO3Enabled = (lfo3_internal_depth > 0); |
| 373 |
} |
break; |
| 374 |
// apply old pitchbend value until first pitch event occurs |
case ::gig::lfo3_ctrl_modwheel: |
| 375 |
if (this->PitchBend != 1.0) { |
lfo3_internal_depth = 0; |
| 376 |
uint end = (itVCOEvent) ? itVCOEvent->FragmentPos() : Samples; |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 377 |
for (uint i = Delay; i < end; i++) { |
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
| 378 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
break; |
| 379 |
} |
case ::gig::lfo3_ctrl_aftertouch: |
| 380 |
} |
lfo3_internal_depth = 0; |
| 381 |
float pitch; |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 382 |
while (itVCOEvent) { |
bLFO3Enabled = true; |
| 383 |
RTList<Event>::Iterator itNextVCOEvent = itVCOEvent; |
break; |
| 384 |
++itNextVCOEvent; |
case ::gig::lfo3_ctrl_internal_modwheel: |
| 385 |
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 386 |
// calculate the influence length of this event (in sample points) |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 387 |
uint end = (itNextVCOEvent) ? itNextVCOEvent->FragmentPos() : Samples; |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 388 |
|
break; |
| 389 |
pitch = RTMath::CentsToFreqRatio(((double) itVCOEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
case ::gig::lfo3_ctrl_internal_aftertouch: |
| 390 |
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 391 |
// apply pitch value to the pitch parameter sequence |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 392 |
for (uint i = itVCOEvent->FragmentPos(); i < end; i++) { |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 393 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
break; |
| 394 |
} |
default: |
| 395 |
|
lfo3_internal_depth = 0; |
| 396 |
itVCOEvent = itNextVCOEvent; |
pLFO3->ExtController = 0; // no external controller |
| 397 |
} |
bLFO3Enabled = false; |
| 398 |
if (!pVCOEventList->isEmpty()) { |
} |
| 399 |
this->PitchBend = pitch; |
if (bLFO3Enabled) { |
| 400 |
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, true); |
pLFO3->trigger(fromGigLfoWave(pRegion->LFO3WaveForm), |
| 401 |
SYNTHESIS_MODE_SET_CONSTPITCH(SynthesisMode, false); |
pRegion->LFO3Frequency, |
| 402 |
} |
pRegion->LFO3Phase, |
| 403 |
|
LFO::start_level_max, // see https://sourceforge.net/p/linuxsampler/mailman/linuxsampler-devel/thread/2189307.cNP0Xbctxq%40silver/#msg36774029 |
| 404 |
|
lfo3_internal_depth, |
| 405 |
|
pRegion->LFO3ControlDepth, |
| 406 |
|
pRegion->LFO3FlipPhase, |
| 407 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 408 |
|
pLFO3->updateByMIDICtrlValue(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
| 409 |
|
pLFO3->setScriptDepthFactor( |
| 410 |
|
pNote->Override.PitchLFODepth.Value, |
| 411 |
|
pNote->Override.PitchLFODepth.Final |
| 412 |
|
); |
| 413 |
|
if (pNote->Override.PitchLFOFreq.isFinal()) |
| 414 |
|
pLFO3->setScriptFrequencyFinal(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 415 |
|
else |
| 416 |
|
pLFO3->setScriptFrequencyFactor(pNote->Override.PitchLFOFreq.Value, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 417 |
} |
} |
| 418 |
|
} |
| 419 |
|
|
| 420 |
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
| 421 |
{ |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
| 422 |
RTList<Event>* pVCAEventList = pEngineChannel->pSynthesisEvents[Event::destination_vca]; |
if (pRegion->VCFKeyboardTracking) { |
| 423 |
RTList<Event>::Iterator itVCAEvent = pVCAEventList->first(); |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
| 424 |
if (Delay) { // skip events that happened before this voice was triggered |
} |
| 425 |
while (itVCAEvent && itVCAEvent->FragmentPos() <= Delay) ++itVCAEvent; |
return cutoff; |
| 426 |
} |
} |
| 427 |
float crossfadevolume; |
|
| 428 |
while (itVCAEvent) { |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
| 429 |
RTList<Event>::Iterator itNextVCAEvent = itVCAEvent; |
int cvalue; |
| 430 |
++itNextVCAEvent; |
if (VCFCutoffCtrl.controller) { |
| 431 |
|
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
| 432 |
// calculate the influence length of this event (in sample points) |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
| 433 |
uint end = (itNextVCAEvent) ? itNextVCAEvent->FragmentPos() : Samples; |
// VCFVelocityScale in this case means Minimum cutoff |
| 434 |
|
if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; |
|
crossfadevolume = CrossfadeAttenuation(itVCAEvent->Param.CC.Value); |
|
|
|
|
|
float effective_volume = crossfadevolume * this->Volume * pEngineChannel->GlobalVolume; |
|
|
|
|
|
// apply volume value to the volume parameter sequence |
|
|
for (uint i = itVCAEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
|
|
} |
|
|
|
|
|
itVCAEvent = itNextVCAEvent; |
|
|
} |
|
|
if (!pVCAEventList->isEmpty()) this->CrossfadeVolume = crossfadevolume; |
|
| 435 |
} |
} |
| 436 |
|
else { |
| 437 |
// process filter cutoff events |
cvalue = pRegion->VCFCutoff; |
|
{ |
|
|
RTList<Event>* pCutoffEventList = pEngineChannel->pSynthesisEvents[Event::destination_vcfc]; |
|
|
RTList<Event>::Iterator itCutoffEvent = pCutoffEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (itCutoffEvent && itCutoffEvent->FragmentPos() <= Delay) ++itCutoffEvent; |
|
|
} |
|
|
float cutoff; |
|
|
while (itCutoffEvent) { |
|
|
RTList<Event>::Iterator itNextCutoffEvent = itCutoffEvent; |
|
|
++itNextCutoffEvent; |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (itNextCutoffEvent) ? itNextCutoffEvent->FragmentPos() : Samples; |
|
|
|
|
|
cutoff = exp((float) itCutoffEvent->Param.CC.Value * 0.00787402f * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MAX - CONFIG_FILTER_CUTOFF_MIN; |
|
|
|
|
|
// apply cutoff frequency to the cutoff parameter sequence |
|
|
for (uint i = itCutoffEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
|
|
} |
|
|
|
|
|
itCutoffEvent = itNextCutoffEvent; |
|
|
} |
|
|
if (!pCutoffEventList->isEmpty()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
|
| 438 |
} |
} |
| 439 |
|
float fco = cutoffBase * float(cvalue); |
| 440 |
|
if (fco > 127.0f) fco = 127.0f; |
| 441 |
|
|
| 442 |
// process filter resonance events |
return fco; |
| 443 |
{ |
} |
|
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; |
|
|
} |
|
| 444 |
|
|
| 445 |
itResonanceEvent = itNextResonanceEvent; |
uint8_t Voice::GetVCFCutoffCtrl() { |
| 446 |
} |
uint8_t ctrl; |
| 447 |
if (!pResonanceEventList->isEmpty()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Param.CC.Value * 0.00787f; // needed for initialization of parameter matrix next time |
switch (pRegion->VCFCutoffController) { |
| 448 |
|
case ::gig::vcf_cutoff_ctrl_modwheel: |
| 449 |
|
ctrl = 1; |
| 450 |
|
break; |
| 451 |
|
case ::gig::vcf_cutoff_ctrl_effect1: |
| 452 |
|
ctrl = 12; |
| 453 |
|
break; |
| 454 |
|
case ::gig::vcf_cutoff_ctrl_effect2: |
| 455 |
|
ctrl = 13; |
| 456 |
|
break; |
| 457 |
|
case ::gig::vcf_cutoff_ctrl_breath: |
| 458 |
|
ctrl = 2; |
| 459 |
|
break; |
| 460 |
|
case ::gig::vcf_cutoff_ctrl_foot: |
| 461 |
|
ctrl = 4; |
| 462 |
|
break; |
| 463 |
|
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
| 464 |
|
ctrl = 64; |
| 465 |
|
break; |
| 466 |
|
case ::gig::vcf_cutoff_ctrl_softpedal: |
| 467 |
|
ctrl = 67; |
| 468 |
|
break; |
| 469 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
| 470 |
|
ctrl = 82; |
| 471 |
|
break; |
| 472 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
| 473 |
|
ctrl = 83; |
| 474 |
|
break; |
| 475 |
|
case ::gig::vcf_cutoff_ctrl_aftertouch: |
| 476 |
|
ctrl = CTRL_TABLE_IDX_AFTERTOUCH; |
| 477 |
|
break; |
| 478 |
|
case ::gig::vcf_cutoff_ctrl_none: |
| 479 |
|
default: |
| 480 |
|
ctrl = 0; |
| 481 |
|
break; |
| 482 |
} |
} |
|
} |
|
| 483 |
|
|
| 484 |
/** |
return ctrl; |
| 485 |
* Calculate all necessary, final biquad filter parameters. |
} |
|
* |
|
|
* @param Samples - number of samples to be rendered in this audio fragment cycle |
|
|
*/ |
|
|
void Voice::CalculateBiquadParameters(uint Samples) { |
|
|
biquad_param_t bqbase; |
|
|
biquad_param_t bqmain; |
|
|
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
|
|
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
|
|
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); |
|
|
pEngine->pBasicFilterParameters[0] = bqbase; |
|
|
pEngine->pMainFilterParameters[0] = bqmain; |
|
|
|
|
|
float* bq; |
|
|
for (int i = 1; i < Samples; i++) { |
|
|
// recalculate biquad parameters if cutoff or resonance differ from previous sample point |
|
|
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); |
|
|
} |
|
|
} |
|
| 486 |
|
|
| 487 |
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
uint8_t Voice::GetVCFResonanceCtrl() { |
| 488 |
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
uint8_t ctrl; |
| 489 |
bq[0] = bqbase.b0; |
switch (pRegion->VCFResonanceController) { |
| 490 |
bq[1] = bqbase.b1; |
case ::gig::vcf_res_ctrl_genpurpose3: |
| 491 |
bq[2] = bqbase.b2; |
ctrl = 18; |
| 492 |
bq[3] = bqbase.a1; |
break; |
| 493 |
bq[4] = bqbase.a2; |
case ::gig::vcf_res_ctrl_genpurpose4: |
| 494 |
|
ctrl = 19; |
| 495 |
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
break; |
| 496 |
bq = (float*) &pEngine->pMainFilterParameters[i]; |
case ::gig::vcf_res_ctrl_genpurpose5: |
| 497 |
bq[0] = bqmain.b0; |
ctrl = 80; |
| 498 |
bq[1] = bqmain.b1; |
break; |
| 499 |
bq[2] = bqmain.b2; |
case ::gig::vcf_res_ctrl_genpurpose6: |
| 500 |
bq[3] = bqmain.a1; |
ctrl = 81; |
| 501 |
bq[4] = bqmain.a2; |
break; |
| 502 |
|
case ::gig::vcf_res_ctrl_none: |
| 503 |
|
default: |
| 504 |
|
ctrl = 0; |
| 505 |
} |
} |
|
} |
|
| 506 |
|
|
| 507 |
/** |
return ctrl; |
| 508 |
* 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(); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Kill the voice in regular sense. Let the voice render audio until |
|
|
* the kill event actually occured and then fade down the volume level |
|
|
* very quickly and let the voice die finally. Unlike a normal release |
|
|
* of a voice, a kill process cannot be cancalled and is therefore |
|
|
* usually used for voice stealing and key group conflicts. |
|
|
* |
|
|
* @param itKillEvent - event which caused the voice to be killed |
|
|
*/ |
|
|
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
|
|
#if CONFIG_DEVMODE |
|
|
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
|
|
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
|
|
#endif // CONFIG_DEVMODE |
|
| 509 |
|
|
| 510 |
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 511 |
this->itKillEvent = itKillEvent; |
EG1.setStateOptions( |
| 512 |
|
pRegion->EG1Options.AttackCancel, |
| 513 |
|
pRegion->EG1Options.AttackHoldCancel, |
| 514 |
|
pRegion->EG1Options.Decay1Cancel, |
| 515 |
|
pRegion->EG1Options.Decay2Cancel, |
| 516 |
|
pRegion->EG1Options.ReleaseCancel |
| 517 |
|
); |
| 518 |
|
EG1.trigger(pRegion->EG1PreAttack, |
| 519 |
|
(pNote && pNote->Override.Attack.isFinal()) ? |
| 520 |
|
pNote->Override.Attack.Value : |
| 521 |
|
RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack, |
| 522 |
|
pRegion->EG1Hold, |
| 523 |
|
(pNote && pNote->Override.Decay.isFinal()) ? |
| 524 |
|
pNote->Override.Decay.Value : |
| 525 |
|
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
| 526 |
|
(pNote && pNote->Override.Decay.isFinal()) ? |
| 527 |
|
pNote->Override.Decay.Value : |
| 528 |
|
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
| 529 |
|
pRegion->EG1InfiniteSustain, |
| 530 |
|
(pNote && pNote->Override.Sustain.Final) ? |
| 531 |
|
uint(pNote->Override.Sustain.Value * 1000.f) : |
| 532 |
|
pRegion->EG1Sustain * (pNote ? pNote->Override.Sustain.Value : 1.f), |
| 533 |
|
(pNote && pNote->Override.Release.isFinal()) ? |
| 534 |
|
pNote->Override.Release.Value : |
| 535 |
|
RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release, |
| 536 |
|
velocityAttenuation, |
| 537 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 538 |
|
} |
| 539 |
|
|
| 540 |
|
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 541 |
|
EG2.setStateOptions( |
| 542 |
|
pRegion->EG2Options.AttackCancel, |
| 543 |
|
pRegion->EG2Options.AttackHoldCancel, |
| 544 |
|
pRegion->EG2Options.Decay1Cancel, |
| 545 |
|
pRegion->EG2Options.Decay2Cancel, |
| 546 |
|
pRegion->EG2Options.ReleaseCancel |
| 547 |
|
); |
| 548 |
|
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
| 549 |
|
(pNote && pNote->Override.CutoffAttack.isFinal()) ? |
| 550 |
|
pNote->Override.CutoffAttack.Value : |
| 551 |
|
RgnInfo.EG2Attack * egInfo.Attack, |
| 552 |
|
false, |
| 553 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
| 554 |
|
pNote->Override.CutoffDecay.Value : |
| 555 |
|
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
| 556 |
|
(pNote && pNote->Override.CutoffDecay.isFinal()) ? |
| 557 |
|
pNote->Override.CutoffDecay.Value : |
| 558 |
|
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
| 559 |
|
RgnInfo.EG2InfiniteSustain, |
| 560 |
|
(pNote && pNote->Override.CutoffSustain.Final) ? |
| 561 |
|
uint(pNote->Override.CutoffSustain.Value * 1000.f) : |
| 562 |
|
uint(RgnInfo.EG2Sustain), |
| 563 |
|
(pNote && pNote->Override.CutoffRelease.isFinal()) ? |
| 564 |
|
pNote->Override.CutoffRelease.Value : |
| 565 |
|
RgnInfo.EG2Release * egInfo.Release * velrelease, |
| 566 |
|
velocityAttenuation, |
| 567 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 568 |
|
} |
| 569 |
|
|
| 570 |
|
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
| 571 |
|
dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type)); |
| 572 |
|
|
| 573 |
|
// TODO: The SustainPedal condition could be wrong, maybe the |
| 574 |
|
// check should be if this Voice is in release stage or is a |
| 575 |
|
// release sample instead. Need to test this in GSt. |
| 576 |
|
// -- Andreas |
| 577 |
|
// |
| 578 |
|
// Commented sustain pedal check out. I don't think voices of the same |
| 579 |
|
// note should be stopped at all, because it doesn't sound naturally |
| 580 |
|
// with a drumkit. |
| 581 |
|
// -- Christian, 2013-01-08 |
| 582 |
|
if (itEvent->Param.Note.Key != HostKey() /*|| |
| 583 |
|
!GetGigEngineChannel()->SustainPedal*/) { |
| 584 |
|
dmsg(4,("Voice %p - kill", (void*)this)); |
| 585 |
|
|
| 586 |
|
// kill the voice fast |
| 587 |
|
pEG1->enterFadeOutStage(); |
| 588 |
|
} |
| 589 |
|
} |
| 590 |
|
|
| 591 |
|
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
| 592 |
|
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
| 593 |
|
} |
| 594 |
|
|
| 595 |
|
int Voice::CalculatePan(uint8_t pan) { |
| 596 |
|
int p; |
| 597 |
|
// Gst behaviour: -64 and 63 are special cases |
| 598 |
|
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
| 599 |
|
else if (RgnInfo.Pan == 63) p = pan * 2; |
| 600 |
|
else p = pan + RgnInfo.Pan; |
| 601 |
|
|
| 602 |
|
if (p < 0) return 0; |
| 603 |
|
if (p > 127) return 127; |
| 604 |
|
return p; |
| 605 |
|
} |
| 606 |
|
|
| 607 |
|
release_trigger_t Voice::GetReleaseTriggerFlags() { |
| 608 |
|
release_trigger_t flags = |
| 609 |
|
(pRegion->NoNoteOffReleaseTrigger) ? |
| 610 |
|
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 |
| 611 |
|
switch (pRegion->SustainReleaseTrigger) { |
| 612 |
|
case ::gig::sust_rel_trg_none: |
| 613 |
|
break; |
| 614 |
|
case ::gig::sust_rel_trg_maxvelocity: |
| 615 |
|
flags |= release_trigger_sustain_maxvelocity; |
| 616 |
|
break; |
| 617 |
|
case ::gig::sust_rel_trg_keyvelocity: |
| 618 |
|
flags |= release_trigger_sustain_keyvelocity; |
| 619 |
|
break; |
| 620 |
|
} |
| 621 |
|
return flags; |
| 622 |
} |
} |
| 623 |
|
|
| 624 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |
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