| 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, 2006 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
| 7 |
|
* Copyright (C) 2009 - 2015 Christian Schoenebeck and Grigor Iliev * |
| 8 |
* * |
* * |
| 9 |
* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
| 10 |
* 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 * |
| 25 |
#include "../../common/Features.h" |
#include "../../common/Features.h" |
| 26 |
#include "Synthesizer.h" |
#include "Synthesizer.h" |
| 27 |
#include "Profiler.h" |
#include "Profiler.h" |
| 28 |
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#include "Engine.h" |
| 29 |
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#include "EngineChannel.h" |
| 30 |
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|
| 31 |
#include "Voice.h" |
#include "Voice.h" |
| 32 |
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| 33 |
namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
| 34 |
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|
| 35 |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
Voice::Voice() { |
| 36 |
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pEngine = NULL; |
| 37 |
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pEG1 = &EG1; |
| 38 |
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pEG2 = &EG2; |
| 39 |
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} |
| 40 |
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|
| 41 |
float Voice::CalculateFilterCutoffCoeff() { |
Voice::~Voice() { |
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return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN); |
|
| 42 |
} |
} |
| 43 |
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|
| 44 |
Voice::Voice() { |
EngineChannel* Voice::GetGigEngineChannel() { |
| 45 |
pEngine = NULL; |
return static_cast<EngineChannel*>(pEngineChannel); |
| 46 |
pDiskThread = NULL; |
} |
|
PlaybackState = playback_state_end; |
|
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pLFO1 = new LFOUnsigned(1.0f); // amplitude EG (0..1 range) |
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pLFO2 = new LFOUnsigned(1.0f); // filter EG (0..1 range) |
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pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range) |
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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, Profiler::isEnabled()); |
|
| 47 |
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|
| 48 |
finalSynthesisParameters.filterLeft.Reset(); |
void Voice::SetEngine(LinuxSampler::Engine* pEngine) { |
| 49 |
finalSynthesisParameters.filterRight.Reset(); |
Engine* engine = static_cast<Engine*>(pEngine); |
| 50 |
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this->pEngine = engine; |
| 51 |
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this->pDiskThread = engine->pDiskThread; |
| 52 |
|
dmsg(6,("Voice::SetEngine()\n")); |
| 53 |
} |
} |
| 54 |
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|
| 55 |
Voice::~Voice() { |
Voice::SampleInfo Voice::GetSampleInfo() { |
| 56 |
if (pLFO1) delete pLFO1; |
SampleInfo si; |
| 57 |
if (pLFO2) delete pLFO2; |
si.SampleRate = pSample->SamplesPerSecond; |
| 58 |
if (pLFO3) delete pLFO3; |
si.ChannelCount = pSample->Channels; |
| 59 |
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si.FrameSize = pSample->FrameSize; |
| 60 |
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si.BitDepth = pSample->BitDepth; |
| 61 |
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si.TotalFrameCount = pSample->SamplesTotal; |
| 62 |
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| 63 |
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si.HasLoops = pRegion->SampleLoops; |
| 64 |
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si.LoopStart = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopStart : 0; |
| 65 |
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si.LoopLength = (si.HasLoops) ? pRegion->pSampleLoops[0].LoopLength : 0; |
| 66 |
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si.LoopPlayCount = pSample->LoopPlayCount; |
| 67 |
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si.Unpitched = !pRegion->PitchTrack; |
| 68 |
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|
| 69 |
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return si; |
| 70 |
} |
} |
| 71 |
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| 72 |
void Voice::SetEngine(Engine* pEngine) { |
Voice::RegionInfo Voice::GetRegionInfo() { |
| 73 |
this->pEngine = pEngine; |
RegionInfo ri; |
| 74 |
this->pDiskThread = pEngine->pDiskThread; |
ri.UnityNote = pRegion->UnityNote; |
| 75 |
dmsg(6,("Voice::SetEngine()\n")); |
ri.FineTune = pRegion->FineTune; |
| 76 |
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ri.Pan = pRegion->Pan; |
| 77 |
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ri.SampleStartOffset = pRegion->SampleStartOffset; |
| 78 |
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| 79 |
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ri.EG2PreAttack = pRegion->EG2PreAttack; |
| 80 |
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ri.EG2Attack = pRegion->EG2Attack; |
| 81 |
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ri.EG2Decay1 = pRegion->EG2Decay1; |
| 82 |
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ri.EG2Decay2 = pRegion->EG2Decay2; |
| 83 |
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ri.EG2Sustain = pRegion->EG2Sustain; |
| 84 |
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ri.EG2InfiniteSustain = pRegion->EG2InfiniteSustain; |
| 85 |
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ri.EG2Release = pRegion->EG2Release; |
| 86 |
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|
| 87 |
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ri.EG3Attack = pRegion->EG3Attack; |
| 88 |
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ri.EG3Depth = pRegion->EG3Depth; |
| 89 |
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ri.VCFEnabled = pRegion->VCFEnabled; |
| 90 |
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ri.VCFType = Filter::vcf_type_t(pRegion->VCFType); |
| 91 |
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ri.VCFResonance = pRegion->VCFResonance; |
| 92 |
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|
| 93 |
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ri.ReleaseTriggerDecay = 0.01053 * (256 >> pRegion->ReleaseTriggerDecay); |
| 94 |
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|
| 95 |
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return ri; |
| 96 |
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} |
| 97 |
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| 98 |
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Voice::InstrumentInfo Voice::GetInstrumentInfo() { |
| 99 |
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InstrumentInfo ii; |
| 100 |
|
ii.FineTune = GetGigEngineChannel()->pInstrument->FineTune; |
| 101 |
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ii.PitchbendRange = GetGigEngineChannel()->pInstrument->PitchbendRange; |
| 102 |
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| 103 |
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return ii; |
| 104 |
} |
} |
| 105 |
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|
| 106 |
/** |
double Voice::GetSampleAttenuation() { |
| 107 |
* Initializes and triggers the voice, a disk stream will be launched if |
return pRegion->SampleAttenuation; |
| 108 |
* needed. |
} |
| 109 |
* |
|
| 110 |
* @param pEngineChannel - engine channel on which this voice was ordered |
double Voice::GetVelocityAttenuation(uint8_t MIDIKeyVelocity) { |
| 111 |
* @param itNoteOnEvent - event that caused triggering of this voice |
return pRegion->GetVelocityAttenuation(MIDIKeyVelocity); |
| 112 |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
} |
| 113 |
* @param pDimRgn - points to the dimension region which provides sample wave(s) and articulation data |
|
| 114 |
* @param VoiceType - type of this voice |
double Voice::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
| 115 |
* @param iKeyGroup - a value > 0 defines a key group in which this voice is member of |
return pRegion->GetVelocityRelease(MIDIKeyVelocity); |
| 116 |
* @returns 0 on success, a value < 0 if the voice wasn't triggered |
} |
| 117 |
* (either due to an error or e.g. because no region is |
|
| 118 |
* defined for the given key) |
void Voice::ProcessCCEvent(RTList<Event>::Iterator& itEvent) { |
| 119 |
*/ |
if (itEvent->Type == Event::type_control_change && itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
| 120 |
int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) { |
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
| 121 |
this->pEngineChannel = pEngineChannel; |
itEvent->Param.CC.Controller == pRegion->AttenuationController.controller_number) { |
| 122 |
this->pDimRgn = pDimRgn; |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
| 123 |
|
} |
| 124 |
#if CONFIG_DEVMODE |
} |
| 125 |
if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging |
} |
| 126 |
dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n")); |
|
| 127 |
} |
void Voice::ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 128 |
#endif // CONFIG_DEVMODE |
if (itEvent->Type == Event::type_channel_pressure) { // if (valid) MIDI channel pressure (aftertouch) event |
| 129 |
|
if (pRegion->AttenuationController.type == ::gig::attenuation_ctrl_t::type_channelaftertouch) { |
| 130 |
Type = VoiceType; |
CrossfadeSmoother.update(AbstractEngine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.ChannelPressure.Value)]); |
| 131 |
MIDIKey = itNoteOnEvent->Param.Note.Key; |
} |
|
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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float 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; |
|
| 132 |
} |
} |
| 133 |
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} |
| 134 |
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|
| 135 |
// select channel mode (mono or stereo) |
void Voice::ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) { |
| 136 |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
// Not used so far |
| 137 |
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} |
| 138 |
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|
| 139 |
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void Voice::ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) { |
| 140 |
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int ccvalue = itEvent->Param.CC.Value; |
| 141 |
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if (VCFCutoffCtrl.value == ccvalue) return; |
| 142 |
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VCFCutoffCtrl.value = ccvalue; |
| 143 |
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if (pRegion->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
| 144 |
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if (ccvalue < pRegion->VCFVelocityScale) ccvalue = pRegion->VCFVelocityScale; |
| 145 |
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float cutoff = CutoffBase * float(ccvalue); |
| 146 |
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if (cutoff > 127.0f) cutoff = 127.0f; |
| 147 |
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|
| 148 |
// get starting crossfade volume level |
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
| 149 |
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fFinalCutoff = cutoff; |
| 150 |
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} |
| 151 |
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| 152 |
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double Voice::CalculateCrossfadeVolume(uint8_t MIDIKeyVelocity) { |
| 153 |
float crossfadeVolume; |
float crossfadeVolume; |
| 154 |
switch (pDimRgn->AttenuationController.type) { |
switch (pRegion->AttenuationController.type) { |
| 155 |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
| 156 |
crossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[128])]; |
| 157 |
break; |
break; |
| 158 |
case ::gig::attenuation_ctrl_t::type_velocity: |
case ::gig::attenuation_ctrl_t::type_velocity: |
| 159 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity)]; |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(MIDIKeyVelocity)]; |
| 160 |
break; |
break; |
| 161 |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
| 162 |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number])]; |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(GetGigEngineChannel()->ControllerTable[pRegion->AttenuationController.controller_number])]; |
| 163 |
break; |
break; |
| 164 |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
| 165 |
default: |
default: |
| 166 |
crossfadeVolume = 1.0f; |
crossfadeVolume = 1.0f; |
| 167 |
} |
} |
| 168 |
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|
| 169 |
VolumeLeft = volume * Engine::PanCurve[64 - pDimRgn->Pan]; |
return crossfadeVolume; |
| 170 |
VolumeRight = volume * Engine::PanCurve[64 + pDimRgn->Pan]; |
} |
| 171 |
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|
| 172 |
float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE; |
double Voice::GetEG1ControllerValue(uint8_t MIDIKeyVelocity) { |
| 173 |
CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); |
double eg1controllervalue = 0; |
| 174 |
VolumeSmoother.trigger(pEngineChannel->GlobalVolume, subfragmentRate); |
switch (pRegion->EG1Controller.type) { |
| 175 |
PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate); |
case ::gig::eg1_ctrl_t::type_none: // no controller defined |
| 176 |
PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate); |
eg1controllervalue = 0; |
| 177 |
|
break; |
| 178 |
finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
| 179 |
Pos = pDimRgn->SampleStartOffset; |
eg1controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 180 |
|
break; |
| 181 |
// Check if the sample needs disk streaming or is too short for that |
case ::gig::eg1_ctrl_t::type_velocity: |
| 182 |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
eg1controllervalue = MIDIKeyVelocity; |
| 183 |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
break; |
| 184 |
|
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
| 185 |
if (DiskVoice) { // voice to be streamed from disk |
eg1controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG1Controller.controller_number]; |
| 186 |
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) |
break; |
|
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// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
|
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RAMLoop = (pSample->Loops && pSample->LoopEnd <= MaxRAMPos); |
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|
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if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
|
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dmsg(1,("Disk stream order failed!\n")); |
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KillImmediately(); |
|
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return -1; |
|
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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")); |
|
| 187 |
} |
} |
| 188 |
else { // RAM only voice |
if (pRegion->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
|
MaxRAMPos = cachedsamples; |
|
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RAMLoop = (pSample->Loops != 0); |
|
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dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no")); |
|
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} |
|
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if (RAMLoop) { |
|
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loop.uiTotalCycles = pSample->LoopPlayCount; |
|
|
loop.uiCyclesLeft = pSample->LoopPlayCount; |
|
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loop.uiStart = pSample->LoopStart; |
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loop.uiEnd = pSample->LoopEnd; |
|
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loop.uiSize = pSample->LoopSize; |
|
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} |
|
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// calculate initial pitch value |
|
|
{ |
|
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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->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 |
|
|
const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
|
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|
|
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// setup EG 1 (VCA EG) |
|
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{ |
|
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// get current value of EG1 controller |
|
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double eg1controllervalue; |
|
|
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; |
|
|
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
|
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eg1controllervalue = 0; // TODO: aftertouch not yet supported |
|
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break; |
|
|
case ::gig::eg1_ctrl_t::type_velocity: |
|
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eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
|
|
break; |
|
|
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; |
|
|
} |
|
|
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
|
| 189 |
|
|
| 190 |
// calculate influence of EG1 controller on EG1's parameters |
return eg1controllervalue; |
| 191 |
// (eg1attack is different from the others) |
} |
|
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? |
|
|
1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ? |
|
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1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0; |
|
|
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 1.0; |
|
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double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0; |
|
|
|
|
|
EG1.trigger(pDimRgn->EG1PreAttack, |
|
|
pDimRgn->EG1Attack * eg1attack, |
|
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pDimRgn->EG1Hold, |
|
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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, |
|
|
velocityAttenuation, |
|
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pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
} |
|
|
|
|
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#ifdef CONFIG_INTERPOLATE_VOLUME |
|
|
// setup initial volume in synthesis parameters |
|
|
#ifdef CONFIG_PROCESS_MUTED_CHANNELS |
|
|
if (pEngineChannel->GetMute()) { |
|
|
finalSynthesisParameters.fFinalVolumeLeft = 0; |
|
|
finalSynthesisParameters.fFinalVolumeRight = 0; |
|
|
} |
|
|
else |
|
|
#else |
|
|
{ |
|
|
float finalVolume = pEngineChannel->GlobalVolume * crossfadeVolume * EG1.getLevel(); |
|
|
|
|
|
finalSynthesisParameters.fFinalVolumeLeft = finalVolume * VolumeLeft * pEngineChannel->GlobalPanLeft; |
|
|
finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight; |
|
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} |
|
|
#endif |
|
|
#endif |
|
|
|
|
|
// setup EG 2 (VCF Cutoff EG) |
|
|
{ |
|
|
// get current value of EG2 controller |
|
|
double eg2controllervalue; |
|
|
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; |
|
|
} |
|
|
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
|
| 192 |
|
|
| 193 |
// calculate influence of EG2 controller on EG2's parameters |
Voice::EGInfo Voice::CalculateEG1ControllerInfluence(double eg1ControllerValue) { |
| 194 |
double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 1.0; |
EGInfo eg; |
| 195 |
double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 1.0; |
// (eg1attack is different from the others) |
| 196 |
double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0; |
if (pRegion->EG1Attack < 1e-8 && // attack in gig == 0 |
| 197 |
|
(pRegion->EG1ControllerAttackInfluence == 0 || |
| 198 |
EG2.trigger(pDimRgn->EG2PreAttack, |
eg1ControllerValue <= 10)) { // strange GSt special case |
| 199 |
pDimRgn->EG2Attack * eg2attack, |
eg.Attack = 0; // this will force the attack to be 0 in the call to EG1.trigger |
| 200 |
false, |
} else { |
| 201 |
pDimRgn->EG2Decay1 * eg2decay * velrelease, |
eg.Attack = (pRegion->EG1ControllerAttackInfluence) ? |
| 202 |
pDimRgn->EG2Decay2 * eg2decay * velrelease, |
1 + 0.031 * (double) (pRegion->EG1ControllerAttackInfluence == 1 ? |
| 203 |
pDimRgn->EG2InfiniteSustain, |
1 : 1 << pRegion->EG1ControllerAttackInfluence) * eg1ControllerValue : 1.0; |
| 204 |
pDimRgn->EG2Sustain, |
} |
| 205 |
pDimRgn->EG2Release * eg2release * velrelease, |
eg.Decay = (pRegion->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerDecayInfluence) * eg1ControllerValue : 1.0; |
| 206 |
velocityAttenuation, |
eg.Release = (pRegion->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG1ControllerReleaseInfluence) * eg1ControllerValue : 1.0; |
| 207 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
| 208 |
} |
return eg; |
| 209 |
|
} |
| 210 |
|
|
| 211 |
// setup EG 3 (VCO EG) |
double Voice::GetEG2ControllerValue(uint8_t MIDIKeyVelocity) { |
| 212 |
{ |
double eg2controllervalue = 0; |
| 213 |
// if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch |
switch (pRegion->EG2Controller.type) { |
| 214 |
bool bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f; |
case ::gig::eg2_ctrl_t::type_none: // no controller defined |
| 215 |
float eg3depth = (bPortamento) |
eg2controllervalue = 0; |
| 216 |
? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100) |
break; |
| 217 |
: RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
| 218 |
float eg3time = (bPortamento) |
eg2controllervalue = GetGigEngineChannel()->ControllerTable[128]; |
| 219 |
? pEngineChannel->PortamentoTime |
break; |
| 220 |
: pDimRgn->EG3Attack; |
case ::gig::eg2_ctrl_t::type_velocity: |
| 221 |
EG3.trigger(eg3depth, eg3time, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
eg2controllervalue = MIDIKeyVelocity; |
| 222 |
dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time)); |
break; |
| 223 |
} |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
| 224 |
|
eg2controllervalue = GetGigEngineChannel()->ControllerTable[pRegion->EG2Controller.controller_number]; |
| 225 |
|
break; |
|
// setup LFO 1 (VCA LFO) |
|
|
{ |
|
|
uint16_t lfo1_internal_depth; |
|
|
switch (pDimRgn->LFO1Controller) { |
|
|
case ::gig::lfo1_ctrl_internal: |
|
|
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 0; // no external controller |
|
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_modwheel: |
|
|
lfo1_internal_depth = 0; |
|
|
pLFO1->ExtController = 1; // MIDI controller 1 |
|
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_breath: |
|
|
lfo1_internal_depth = 0; |
|
|
pLFO1->ExtController = 2; // MIDI controller 2 |
|
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_internal_modwheel: |
|
|
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 1; // MIDI controller 1 |
|
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
|
|
break; |
|
|
case ::gig::lfo1_ctrl_internal_breath: |
|
|
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
|
|
pLFO1->ExtController = 2; // MIDI controller 2 |
|
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
|
|
break; |
|
|
default: |
|
|
lfo1_internal_depth = 0; |
|
|
pLFO1->ExtController = 0; // no external controller |
|
|
bLFO1Enabled = false; |
|
|
} |
|
|
if (bLFO1Enabled) { |
|
|
pLFO1->trigger(pDimRgn->LFO1Frequency, |
|
|
start_level_max, |
|
|
lfo1_internal_depth, |
|
|
pDimRgn->LFO1ControlDepth, |
|
|
pDimRgn->LFO1FlipPhase, |
|
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
pLFO1->update(pLFO1->ExtController ? pEngineChannel->ControllerTable[pLFO1->ExtController] : 0); |
|
|
} |
|
| 226 |
} |
} |
| 227 |
|
if (pRegion->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
| 228 |
|
|
| 229 |
|
return eg2controllervalue; |
| 230 |
|
} |
| 231 |
|
|
| 232 |
// setup LFO 2 (VCF Cutoff LFO) |
Voice::EGInfo Voice::CalculateEG2ControllerInfluence(double eg2ControllerValue) { |
| 233 |
{ |
EGInfo eg; |
| 234 |
uint16_t lfo2_internal_depth; |
eg.Attack = (pRegion->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerAttackInfluence) * eg2ControllerValue : 1.0; |
| 235 |
switch (pDimRgn->LFO2Controller) { |
eg.Decay = (pRegion->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerDecayInfluence) * eg2ControllerValue : 1.0; |
| 236 |
case ::gig::lfo2_ctrl_internal: |
eg.Release = (pRegion->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pRegion->EG2ControllerReleaseInfluence) * eg2ControllerValue : 1.0; |
|
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
|
|
pLFO2->ExtController = 0; // no external controller |
|
|
bLFO2Enabled = (lfo2_internal_depth > 0); |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_modwheel: |
|
|
lfo2_internal_depth = 0; |
|
|
pLFO2->ExtController = 1; // MIDI controller 1 |
|
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_foot: |
|
|
lfo2_internal_depth = 0; |
|
|
pLFO2->ExtController = 4; // MIDI controller 4 |
|
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_internal_modwheel: |
|
|
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
|
|
pLFO2->ExtController = 1; // MIDI controller 1 |
|
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
|
|
break; |
|
|
case ::gig::lfo2_ctrl_internal_foot: |
|
|
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
|
|
pLFO2->ExtController = 4; // MIDI controller 4 |
|
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
|
|
break; |
|
|
default: |
|
|
lfo2_internal_depth = 0; |
|
|
pLFO2->ExtController = 0; // no external controller |
|
|
bLFO2Enabled = false; |
|
|
} |
|
|
if (bLFO2Enabled) { |
|
|
pLFO2->trigger(pDimRgn->LFO2Frequency, |
|
|
start_level_max, |
|
|
lfo2_internal_depth, |
|
|
pDimRgn->LFO2ControlDepth, |
|
|
pDimRgn->LFO2FlipPhase, |
|
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
pLFO2->update(pLFO2->ExtController ? pEngineChannel->ControllerTable[pLFO2->ExtController] : 0); |
|
|
} |
|
|
} |
|
| 237 |
|
|
| 238 |
|
return eg; |
| 239 |
|
} |
| 240 |
|
|
| 241 |
// setup LFO 3 (VCO LFO) |
void Voice::InitLFO1() { |
| 242 |
{ |
uint16_t lfo1_internal_depth; |
| 243 |
uint16_t lfo3_internal_depth; |
switch (pRegion->LFO1Controller) { |
| 244 |
switch (pDimRgn->LFO3Controller) { |
case ::gig::lfo1_ctrl_internal: |
| 245 |
case ::gig::lfo3_ctrl_internal: |
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 246 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
pLFO1->ExtController = 0; // no external controller |
| 247 |
pLFO3->ExtController = 0; // no external controller |
bLFO1Enabled = (lfo1_internal_depth > 0); |
| 248 |
bLFO3Enabled = (lfo3_internal_depth > 0); |
break; |
| 249 |
break; |
case ::gig::lfo1_ctrl_modwheel: |
| 250 |
case ::gig::lfo3_ctrl_modwheel: |
lfo1_internal_depth = 0; |
| 251 |
lfo3_internal_depth = 0; |
pLFO1->ExtController = 1; // MIDI controller 1 |
| 252 |
pLFO3->ExtController = 1; // MIDI controller 1 |
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 253 |
bLFO3Enabled = (pDimRgn->LFO3ControlDepth > 0); |
break; |
| 254 |
break; |
case ::gig::lfo1_ctrl_breath: |
| 255 |
case ::gig::lfo3_ctrl_aftertouch: |
lfo1_internal_depth = 0; |
| 256 |
lfo3_internal_depth = 0; |
pLFO1->ExtController = 2; // MIDI controller 2 |
| 257 |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
bLFO1Enabled = (pRegion->LFO1ControlDepth > 0); |
| 258 |
bLFO3Enabled = false; // see TODO comment in line above |
break; |
| 259 |
break; |
case ::gig::lfo1_ctrl_internal_modwheel: |
| 260 |
case ::gig::lfo3_ctrl_internal_modwheel: |
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 261 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
pLFO1->ExtController = 1; // MIDI controller 1 |
| 262 |
pLFO3->ExtController = 1; // MIDI controller 1 |
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 263 |
bLFO3Enabled = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0); |
break; |
| 264 |
break; |
case ::gig::lfo1_ctrl_internal_breath: |
| 265 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
lfo1_internal_depth = pRegion->LFO1InternalDepth; |
| 266 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
pLFO1->ExtController = 2; // MIDI controller 2 |
| 267 |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
bLFO1Enabled = (lfo1_internal_depth > 0 || pRegion->LFO1ControlDepth > 0); |
| 268 |
bLFO3Enabled = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above |
break; |
| 269 |
break; |
default: |
| 270 |
default: |
lfo1_internal_depth = 0; |
| 271 |
lfo3_internal_depth = 0; |
pLFO1->ExtController = 0; // no external controller |
| 272 |
pLFO3->ExtController = 0; // no external controller |
bLFO1Enabled = false; |
| 273 |
bLFO3Enabled = false; |
} |
| 274 |
} |
if (bLFO1Enabled) { |
| 275 |
if (bLFO3Enabled) { |
pLFO1->trigger(pRegion->LFO1Frequency, |
| 276 |
pLFO3->trigger(pDimRgn->LFO3Frequency, |
start_level_min, |
| 277 |
start_level_mid, |
lfo1_internal_depth, |
| 278 |
lfo3_internal_depth, |
pRegion->LFO1ControlDepth, |
| 279 |
pDimRgn->LFO3ControlDepth, |
pRegion->LFO1FlipPhase, |
| 280 |
false, |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 281 |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
pLFO1->update(pLFO1->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO1->ExtController] : 0); |
|
pLFO3->update(pLFO3->ExtController ? pEngineChannel->ControllerTable[pLFO3->ExtController] : 0); |
|
|
} |
|
| 282 |
} |
} |
| 283 |
|
} |
| 284 |
|
|
| 285 |
|
void Voice::InitLFO2() { |
| 286 |
#if CONFIG_FORCE_FILTER |
uint16_t lfo2_internal_depth; |
| 287 |
const bool bUseFilter = true; |
switch (pRegion->LFO2Controller) { |
| 288 |
#else // use filter only if instrument file told so |
case ::gig::lfo2_ctrl_internal: |
| 289 |
const bool bUseFilter = pDimRgn->VCFEnabled; |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 290 |
#endif // CONFIG_FORCE_FILTER |
pLFO2->ExtController = 0; // no external controller |
| 291 |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
bLFO2Enabled = (lfo2_internal_depth > 0); |
| 292 |
if (bUseFilter) { |
break; |
| 293 |
#ifdef CONFIG_OVERRIDE_CUTOFF_CTRL |
case ::gig::lfo2_ctrl_modwheel: |
| 294 |
VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL; |
lfo2_internal_depth = 0; |
| 295 |
#else // use the one defined in the instrument file |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 296 |
switch (pDimRgn->VCFCutoffController) { |
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 297 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
break; |
| 298 |
VCFCutoffCtrl.controller = 1; |
case ::gig::lfo2_ctrl_foot: |
| 299 |
break; |
lfo2_internal_depth = 0; |
| 300 |
case ::gig::vcf_cutoff_ctrl_effect1: |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 301 |
VCFCutoffCtrl.controller = 12; |
bLFO2Enabled = (pRegion->LFO2ControlDepth > 0); |
| 302 |
break; |
break; |
| 303 |
case ::gig::vcf_cutoff_ctrl_effect2: |
case ::gig::lfo2_ctrl_internal_modwheel: |
| 304 |
VCFCutoffCtrl.controller = 13; |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 305 |
break; |
pLFO2->ExtController = 1; // MIDI controller 1 |
| 306 |
case ::gig::vcf_cutoff_ctrl_breath: |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 307 |
VCFCutoffCtrl.controller = 2; |
break; |
| 308 |
break; |
case ::gig::lfo2_ctrl_internal_foot: |
| 309 |
case ::gig::vcf_cutoff_ctrl_foot: |
lfo2_internal_depth = pRegion->LFO2InternalDepth; |
| 310 |
VCFCutoffCtrl.controller = 4; |
pLFO2->ExtController = 4; // MIDI controller 4 |
| 311 |
break; |
bLFO2Enabled = (lfo2_internal_depth > 0 || pRegion->LFO2ControlDepth > 0); |
| 312 |
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
break; |
| 313 |
VCFCutoffCtrl.controller = 64; |
default: |
| 314 |
break; |
lfo2_internal_depth = 0; |
| 315 |
case ::gig::vcf_cutoff_ctrl_softpedal: |
pLFO2->ExtController = 0; // no external controller |
| 316 |
VCFCutoffCtrl.controller = 67; |
bLFO2Enabled = false; |
| 317 |
break; |
} |
| 318 |
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
if (bLFO2Enabled) { |
| 319 |
VCFCutoffCtrl.controller = 82; |
pLFO2->trigger(pRegion->LFO2Frequency, |
| 320 |
break; |
start_level_max, |
| 321 |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
lfo2_internal_depth, |
| 322 |
VCFCutoffCtrl.controller = 83; |
pRegion->LFO2ControlDepth, |
| 323 |
break; |
pRegion->LFO2FlipPhase, |
| 324 |
case ::gig::vcf_cutoff_ctrl_aftertouch: //TODO: not implemented yet |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 325 |
case ::gig::vcf_cutoff_ctrl_none: |
pLFO2->update(pLFO2->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO2->ExtController] : 0); |
|
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 |
|
|
finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType); |
|
|
finalSynthesisParameters.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 = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity); |
|
|
if (pDimRgn->VCFKeyboardTracking) { |
|
|
cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) |
|
|
} |
|
|
CutoffBase = cutoff; |
|
|
|
|
|
int cvalue; |
|
|
if (VCFCutoffCtrl.controller) { |
|
|
cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
|
|
if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
|
|
// VCFVelocityScale in this case means Minimum cutoff |
|
|
if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale; |
|
|
} |
|
|
else { |
|
|
cvalue = pDimRgn->VCFCutoff; |
|
|
} |
|
|
cutoff *= float(cvalue) * 0.00787402f; // (1 / 127) |
|
|
if (cutoff > 1.0) cutoff = 1.0; |
|
|
cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449); |
|
|
if (cutoff < 1.0) cutoff = 1.0; |
|
|
|
|
|
// calculate resonance |
|
|
float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance) * 0.00787f; // 0.0..1.0 |
|
|
|
|
|
VCFCutoffCtrl.fvalue = cutoff - 1.0; |
|
|
VCFResonanceCtrl.fvalue = resonance; |
|
|
} |
|
|
else { |
|
|
VCFCutoffCtrl.controller = 0; |
|
|
VCFResonanceCtrl.controller = 0; |
|
| 326 |
} |
} |
|
|
|
|
return 0; // success |
|
| 327 |
} |
} |
| 328 |
|
|
| 329 |
/** |
void Voice::InitLFO3() { |
| 330 |
* Renders the audio data for this voice for the current audio fragment. |
uint16_t lfo3_internal_depth; |
| 331 |
* The sample input data can either come from RAM (cached sample or sample |
switch (pRegion->LFO3Controller) { |
| 332 |
* part) or directly from disk. The output signal will be rendered by |
case ::gig::lfo3_ctrl_internal: |
| 333 |
* resampling / interpolation. If this voice is a disk streaming voice and |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 334 |
* the voice completely played back the cached RAM part of the sample, it |
pLFO3->ExtController = 0; // no external controller |
| 335 |
* will automatically switch to disk playback for the next RenderAudio() |
bLFO3Enabled = (lfo3_internal_depth > 0); |
| 336 |
* call. |
break; |
| 337 |
* |
case ::gig::lfo3_ctrl_modwheel: |
| 338 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
lfo3_internal_depth = 0; |
| 339 |
*/ |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 340 |
void Voice::Render(uint Samples) { |
bLFO3Enabled = (pRegion->LFO3ControlDepth > 0); |
| 341 |
|
break; |
| 342 |
// select default values for synthesis mode bits |
case ::gig::lfo3_ctrl_aftertouch: |
| 343 |
SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false); |
lfo3_internal_depth = 0; |
| 344 |
|
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 345 |
switch (this->PlaybackState) { |
bLFO3Enabled = true; |
| 346 |
|
break; |
| 347 |
case playback_state_init: |
case ::gig::lfo3_ctrl_internal_modwheel: |
| 348 |
this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 349 |
// no break - continue with playback_state_ram |
pLFO3->ExtController = 1; // MIDI controller 1 |
| 350 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 351 |
case playback_state_ram: { |
break; |
| 352 |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
case ::gig::lfo3_ctrl_internal_aftertouch: |
| 353 |
|
lfo3_internal_depth = pRegion->LFO3InternalDepth; |
| 354 |
// render current fragment |
pLFO3->ExtController = CTRL_TABLE_IDX_AFTERTOUCH; |
| 355 |
Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
bLFO3Enabled = (lfo3_internal_depth > 0 || pRegion->LFO3ControlDepth > 0); |
| 356 |
|
break; |
| 357 |
if (DiskVoice) { |
default: |
| 358 |
// check if we reached the allowed limit of the sample RAM cache |
lfo3_internal_depth = 0; |
| 359 |
if (finalSynthesisParameters.dPos > MaxRAMPos) { |
pLFO3->ExtController = 0; // no external controller |
| 360 |
dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", finalSynthesisParameters.dPos)); |
bLFO3Enabled = false; |
| 361 |
this->PlaybackState = playback_state_disk; |
} |
| 362 |
} |
if (bLFO3Enabled) { |
| 363 |
} else if (finalSynthesisParameters.dPos >= pSample->GetCache().Size / pSample->FrameSize) { |
pLFO3->trigger(pRegion->LFO3Frequency, |
| 364 |
this->PlaybackState = playback_state_end; |
start_level_mid, |
| 365 |
} |
lfo3_internal_depth, |
| 366 |
} |
pRegion->LFO3ControlDepth, |
| 367 |
break; |
false, |
| 368 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 369 |
case playback_state_disk: { |
pLFO3->update(pLFO3->ExtController ? GetGigEngineChannel()->ControllerTable[pLFO3->ExtController] : 0); |
|
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(finalSynthesisParameters.dPos) - MaxRAMPos)); |
|
|
finalSynthesisParameters.dPos -= int(finalSynthesisParameters.dPos); |
|
|
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) finalSynthesisParameters.dPos; |
|
|
const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read |
|
|
DiskStreamRef.pStream->IncrementReadPos(readSampleWords); |
|
|
finalSynthesisParameters.dPos -= iPos; // just keep fractional part of playback position |
|
|
|
|
|
// 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 delay |
|
|
Delay = 0; |
|
|
|
|
|
itTriggerEvent = Pool<Event>::Iterator(); |
|
|
|
|
|
// If sample stream or release stage finished, kill the voice |
|
|
if (PlaybackState == playback_state_end || EG1.getSegmentType() == EGADSR::segment_end) KillImmediately(); |
|
|
} |
|
|
|
|
|
/** |
|
|
* Resets voice variables. Should only be called if rendering process is |
|
|
* suspended / not running. |
|
|
*/ |
|
|
void Voice::Reset() { |
|
|
finalSynthesisParameters.filterLeft.Reset(); |
|
|
finalSynthesisParameters.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 given list of MIDI note on, note off and sustain pedal events |
|
|
* for the given time. |
|
|
* |
|
|
* @param itEvent - iterator pointing to the next event to be processed |
|
|
* @param End - youngest time stamp where processing should be stopped |
|
|
*/ |
|
|
void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) { |
|
|
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
|
|
if (itEvent->Type == Event::type_release) { |
|
|
EG1.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
EG2.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
} else if (itEvent->Type == Event::type_cancel_release) { |
|
|
EG1.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
EG2.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
} |
|
| 370 |
} |
} |
| 371 |
} |
} |
| 372 |
|
|
| 373 |
/** |
float Voice::CalculateCutoffBase(uint8_t MIDIKeyVelocity) { |
| 374 |
* Process given list of MIDI control change and pitch bend events for |
float cutoff = pRegion->GetVelocityCutoff(MIDIKeyVelocity); |
| 375 |
* the given time. |
if (pRegion->VCFKeyboardTracking) { |
| 376 |
* |
cutoff *= RTMath::CentsToFreqRatioUnlimited((MIDIKey() - pRegion->VCFKeyboardTrackingBreakpoint) * 100); |
| 377 |
* @param itEvent - iterator pointing to the next event to be processed |
} |
| 378 |
* @param End - youngest time stamp where processing should be stopped |
return cutoff; |
| 379 |
*/ |
} |
| 380 |
void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) { |
|
| 381 |
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
float Voice::CalculateFinalCutoff(float cutoffBase) { |
| 382 |
if (itEvent->Type == Event::type_control_change && |
int cvalue; |
| 383 |
itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
if (VCFCutoffCtrl.controller) { |
| 384 |
if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
cvalue = GetGigEngineChannel()->ControllerTable[VCFCutoffCtrl.controller]; |
| 385 |
processCutoffEvent(itEvent); |
if (pRegion->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
| 386 |
} |
// VCFVelocityScale in this case means Minimum cutoff |
| 387 |
if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
if (cvalue < pRegion->VCFVelocityScale) cvalue = pRegion->VCFVelocityScale; |
|
processResonanceEvent(itEvent); |
|
|
} |
|
|
if (itEvent->Param.CC.Controller == pLFO1->ExtController) { |
|
|
pLFO1->update(itEvent->Param.CC.Value); |
|
|
} |
|
|
if (itEvent->Param.CC.Controller == pLFO2->ExtController) { |
|
|
pLFO2->update(itEvent->Param.CC.Value); |
|
|
} |
|
|
if (itEvent->Param.CC.Controller == pLFO3->ExtController) { |
|
|
pLFO3->update(itEvent->Param.CC.Value); |
|
|
} |
|
|
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
|
|
itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { |
|
|
CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
|
|
} |
|
|
if (itEvent->Param.CC.Controller == 7) { // volume |
|
|
VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value] * CONFIG_GLOBAL_ATTENUATION); |
|
|
} else if (itEvent->Param.CC.Controller == 10) { // panpot |
|
|
PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]); |
|
|
PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]); |
|
|
} |
|
|
} else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event |
|
|
processPitchEvent(itEvent); |
|
|
} |
|
| 388 |
} |
} |
| 389 |
} |
else { |
| 390 |
|
cvalue = pRegion->VCFCutoff; |
| 391 |
|
} |
| 392 |
|
float fco = cutoffBase * float(cvalue); |
| 393 |
|
if (fco > 127.0f) fco = 127.0f; |
| 394 |
|
|
| 395 |
void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) { |
return fco; |
|
const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
|
|
finalSynthesisParameters.fFinalPitch *= pitch; |
|
|
PitchBend = pitch; |
|
| 396 |
} |
} |
| 397 |
|
|
| 398 |
void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) { |
uint8_t Voice::GetVCFCutoffCtrl() { |
| 399 |
int ccvalue = itEvent->Param.CC.Value; |
uint8_t ctrl; |
| 400 |
if (VCFCutoffCtrl.value == ccvalue) return; |
switch (pRegion->VCFCutoffController) { |
| 401 |
VCFCutoffCtrl.value == ccvalue; |
case ::gig::vcf_cutoff_ctrl_modwheel: |
| 402 |
if (pDimRgn->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
ctrl = 1; |
| 403 |
if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale; |
break; |
| 404 |
float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127) |
case ::gig::vcf_cutoff_ctrl_effect1: |
| 405 |
if (cutoff > 1.0) cutoff = 1.0; |
ctrl = 12; |
| 406 |
cutoff = (cutoff < 0.5 ? cutoff * 4826 - 1 : cutoff * 5715 - 449); |
break; |
| 407 |
if (cutoff < 1.0) cutoff = 1.0; |
case ::gig::vcf_cutoff_ctrl_effect2: |
| 408 |
|
ctrl = 13; |
| 409 |
|
break; |
| 410 |
|
case ::gig::vcf_cutoff_ctrl_breath: |
| 411 |
|
ctrl = 2; |
| 412 |
|
break; |
| 413 |
|
case ::gig::vcf_cutoff_ctrl_foot: |
| 414 |
|
ctrl = 4; |
| 415 |
|
break; |
| 416 |
|
case ::gig::vcf_cutoff_ctrl_sustainpedal: |
| 417 |
|
ctrl = 64; |
| 418 |
|
break; |
| 419 |
|
case ::gig::vcf_cutoff_ctrl_softpedal: |
| 420 |
|
ctrl = 67; |
| 421 |
|
break; |
| 422 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose7: |
| 423 |
|
ctrl = 82; |
| 424 |
|
break; |
| 425 |
|
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
| 426 |
|
ctrl = 83; |
| 427 |
|
break; |
| 428 |
|
case ::gig::vcf_cutoff_ctrl_aftertouch: |
| 429 |
|
ctrl = CTRL_TABLE_IDX_AFTERTOUCH; |
| 430 |
|
break; |
| 431 |
|
case ::gig::vcf_cutoff_ctrl_none: |
| 432 |
|
default: |
| 433 |
|
ctrl = 0; |
| 434 |
|
break; |
| 435 |
|
} |
| 436 |
|
|
| 437 |
VCFCutoffCtrl.fvalue = cutoff - 1.0; // needed for initialization of fFinalCutoff next time |
return ctrl; |
|
fFinalCutoff = cutoff; |
|
| 438 |
} |
} |
| 439 |
|
|
| 440 |
void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) { |
uint8_t Voice::GetVCFResonanceCtrl() { |
| 441 |
// convert absolute controller value to differential |
uint8_t ctrl; |
| 442 |
const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value; |
switch (pRegion->VCFResonanceController) { |
| 443 |
VCFResonanceCtrl.value = itEvent->Param.CC.Value; |
case ::gig::vcf_res_ctrl_genpurpose3: |
| 444 |
const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
ctrl = 18; |
| 445 |
fFinalResonance += resonancedelta; |
break; |
| 446 |
// needed for initialization of parameter |
case ::gig::vcf_res_ctrl_genpurpose4: |
| 447 |
VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f; |
ctrl = 19; |
| 448 |
} |
break; |
| 449 |
|
case ::gig::vcf_res_ctrl_genpurpose5: |
| 450 |
/** |
ctrl = 80; |
| 451 |
* Synthesizes the current audio fragment for this voice. |
break; |
| 452 |
* |
case ::gig::vcf_res_ctrl_genpurpose6: |
| 453 |
* @param Samples - number of sample points to be rendered in this audio |
ctrl = 81; |
| 454 |
* fragment cycle |
break; |
| 455 |
* @param pSrc - pointer to input sample data |
case ::gig::vcf_res_ctrl_none: |
| 456 |
* @param Skip - number of sample points to skip in output buffer |
default: |
| 457 |
*/ |
ctrl = 0; |
|
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
|
|
finalSynthesisParameters.pOutLeft = &pEngineChannel->pOutputLeft[Skip]; |
|
|
finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip]; |
|
|
finalSynthesisParameters.pSrc = pSrc; |
|
|
|
|
|
RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first(); |
|
|
RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first(); |
|
|
|
|
|
if (Skip) { // skip events that happened before this voice was triggered |
|
|
while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent; |
|
|
while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent; |
|
|
} |
|
|
|
|
|
uint killPos; |
|
|
if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos); |
|
|
|
|
|
uint i = Skip; |
|
|
while (i < Samples) { |
|
|
int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples); |
|
|
|
|
|
// initialize all final synthesis parameters |
|
|
finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend; |
|
|
fFinalCutoff = VCFCutoffCtrl.fvalue; |
|
|
fFinalResonance = VCFResonanceCtrl.fvalue; |
|
|
|
|
|
// process MIDI control change and pitchbend events for this subfragment |
|
|
processCCEvents(itCCEvent, iSubFragmentEnd); |
|
|
|
|
|
float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render(); |
|
|
#ifdef CONFIG_PROCESS_MUTED_CHANNELS |
|
|
if (pEngineChannel->GetMute()) fFinalVolume = 0; |
|
|
#endif |
|
|
|
|
|
// process transition events (note on, note off & sustain pedal) |
|
|
processTransitionEvents(itNoteEvent, iSubFragmentEnd); |
|
|
|
|
|
// if the voice was killed in this subfragment switch EG1 to fade out stage |
|
|
if (itKillEvent && killPos <= iSubFragmentEnd) { |
|
|
EG1.enterFadeOutStage(); |
|
|
itKillEvent = Pool<Event>::Iterator(); |
|
|
} |
|
|
|
|
|
// process envelope generators |
|
|
switch (EG1.getSegmentType()) { |
|
|
case EGADSR::segment_lin: |
|
|
fFinalVolume *= EG1.processLin(); |
|
|
break; |
|
|
case EGADSR::segment_exp: |
|
|
fFinalVolume *= EG1.processExp(); |
|
|
break; |
|
|
case EGADSR::segment_end: |
|
|
fFinalVolume *= EG1.getLevel(); |
|
|
break; // noop |
|
|
} |
|
|
switch (EG2.getSegmentType()) { |
|
|
case EGADSR::segment_lin: |
|
|
fFinalCutoff *= EG2.processLin(); |
|
|
break; |
|
|
case EGADSR::segment_exp: |
|
|
fFinalCutoff *= EG2.processExp(); |
|
|
break; |
|
|
case EGADSR::segment_end: |
|
|
fFinalCutoff *= EG2.getLevel(); |
|
|
break; // noop |
|
|
} |
|
|
if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render(); |
|
|
|
|
|
// process low frequency oscillators |
|
|
if (bLFO1Enabled) fFinalVolume *= pLFO1->render(); |
|
|
if (bLFO2Enabled) fFinalCutoff *= pLFO2->render(); |
|
|
if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
|
|
|
|
|
// if filter enabled then update filter coefficients |
|
|
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) { |
|
|
finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff + 1.0, fFinalResonance, pEngine->SampleRate); |
|
|
finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff + 1.0, fFinalResonance, pEngine->SampleRate); |
|
|
} |
|
|
|
|
|
// do we need resampling? |
|
|
const float __PLUS_ONE_CENT = 1.000577789506554859250142541782224725466f; |
|
|
const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f; |
|
|
const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT && |
|
|
finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT); |
|
|
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired); |
|
|
|
|
|
// prepare final synthesis parameters structure |
|
|
finalSynthesisParameters.uiToGo = iSubFragmentEnd - i; |
|
|
#ifdef CONFIG_INTERPOLATE_VOLUME |
|
|
finalSynthesisParameters.fFinalVolumeDeltaLeft = |
|
|
(fFinalVolume * VolumeLeft * PanLeftSmoother.render() - |
|
|
finalSynthesisParameters.fFinalVolumeLeft) / finalSynthesisParameters.uiToGo; |
|
|
finalSynthesisParameters.fFinalVolumeDeltaRight = |
|
|
(fFinalVolume * VolumeRight * PanRightSmoother.render() - |
|
|
finalSynthesisParameters.fFinalVolumeRight) / finalSynthesisParameters.uiToGo; |
|
|
#else |
|
|
finalSynthesisParameters.fFinalVolumeLeft = |
|
|
fFinalVolume * VolumeLeft * PanLeftSmoother.render(); |
|
|
finalSynthesisParameters.fFinalVolumeRight = |
|
|
fFinalVolume * VolumeRight * PanRightSmoother.render(); |
|
|
#endif |
|
|
// render audio for one subfragment |
|
|
RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop); |
|
|
|
|
|
// stop the rendering if volume EG is finished |
|
|
if (EG1.getSegmentType() == EGADSR::segment_end) break; |
|
|
|
|
|
const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch; |
|
|
|
|
|
// increment envelopes' positions |
|
|
if (EG1.active()) { |
|
|
|
|
|
// if sample has a loop and loop start has been reached in this subfragment, send a special event to EG1 to let it finish the attack hold stage |
|
|
if (pSample->Loops && Pos <= pSample->LoopStart && pSample->LoopStart < newPos) { |
|
|
EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
} |
|
|
|
|
|
EG1.increment(1); |
|
|
if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
} |
|
|
if (EG2.active()) { |
|
|
EG2.increment(1); |
|
|
if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
|
} |
|
|
EG3.increment(1); |
|
|
if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached |
|
|
|
|
|
Pos = newPos; |
|
|
i = iSubFragmentEnd; |
|
| 458 |
} |
} |
|
} |
|
| 459 |
|
|
| 460 |
/** @brief Update current portamento position. |
return ctrl; |
| 461 |
* |
} |
|
* Will be called when portamento mode is enabled to get the final |
|
|
* portamento position of this active voice from where the next voice(s) |
|
|
* might continue to slide on. |
|
|
* |
|
|
* @param itNoteOffEvent - event which causes this voice to die soon |
|
|
*/ |
|
|
void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) { |
|
|
const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos()); |
|
|
pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f; |
|
|
} |
|
|
|
|
|
/** |
|
|
* 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 |
|
| 462 |
|
|
| 463 |
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
void Voice::TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 464 |
this->itKillEvent = itKillEvent; |
EG1.trigger(pRegion->EG1PreAttack, |
| 465 |
|
RTMath::Max(pRegion->EG1Attack, 0.0316) * egInfo.Attack, |
| 466 |
|
pRegion->EG1Hold, |
| 467 |
|
pRegion->EG1Decay1 * egInfo.Decay * velrelease, |
| 468 |
|
pRegion->EG1Decay2 * egInfo.Decay * velrelease, |
| 469 |
|
pRegion->EG1InfiniteSustain, |
| 470 |
|
pRegion->EG1Sustain, |
| 471 |
|
RTMath::Max(pRegion->EG1Release * velrelease, 0.014) * egInfo.Release, |
| 472 |
|
velocityAttenuation, |
| 473 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 474 |
|
} |
| 475 |
|
|
| 476 |
|
void Voice::TriggerEG2(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) { |
| 477 |
|
EG2.trigger(uint(RgnInfo.EG2PreAttack), |
| 478 |
|
RgnInfo.EG2Attack * egInfo.Attack, |
| 479 |
|
false, |
| 480 |
|
RgnInfo.EG2Decay1 * egInfo.Decay * velrelease, |
| 481 |
|
RgnInfo.EG2Decay2 * egInfo.Decay * velrelease, |
| 482 |
|
RgnInfo.EG2InfiniteSustain, |
| 483 |
|
uint(RgnInfo.EG2Sustain), |
| 484 |
|
RgnInfo.EG2Release * egInfo.Release * velrelease, |
| 485 |
|
velocityAttenuation, |
| 486 |
|
sampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
| 487 |
|
} |
| 488 |
|
|
| 489 |
|
void Voice::ProcessGroupEvent(RTList<Event>::Iterator& itEvent) { |
| 490 |
|
dmsg(4,("Voice %p processGroupEvents event type=%d", (void*)this, itEvent->Type)); |
| 491 |
|
|
| 492 |
|
// TODO: The SustainPedal condition could be wrong, maybe the |
| 493 |
|
// check should be if this Voice is in release stage or is a |
| 494 |
|
// release sample instead. Need to test this in GSt. |
| 495 |
|
// -- Andreas |
| 496 |
|
// |
| 497 |
|
// Commented sustain pedal check out. I don't think voices of the same |
| 498 |
|
// note should be stopped at all, because it doesn't sound naturally |
| 499 |
|
// with a drumkit. |
| 500 |
|
// -- Christian, 2013-01-08 |
| 501 |
|
if (itEvent->Param.Note.Key != HostKey() /*|| |
| 502 |
|
!GetGigEngineChannel()->SustainPedal*/) { |
| 503 |
|
dmsg(4,("Voice %p - kill", (void*)this)); |
| 504 |
|
|
| 505 |
|
// kill the voice fast |
| 506 |
|
pEG1->enterFadeOutStage(); |
| 507 |
|
} |
| 508 |
|
} |
| 509 |
|
|
| 510 |
|
void Voice::CalculateFadeOutCoeff(float FadeOutTime, float SampleRate) { |
| 511 |
|
EG1.CalculateFadeOutCoeff(FadeOutTime, SampleRate); |
| 512 |
|
} |
| 513 |
|
|
| 514 |
|
int Voice::CalculatePan(uint8_t pan) { |
| 515 |
|
int p; |
| 516 |
|
// Gst behaviour: -64 and 63 are special cases |
| 517 |
|
if (RgnInfo.Pan == -64) p = pan * 2 - 127; |
| 518 |
|
else if (RgnInfo.Pan == 63) p = pan * 2; |
| 519 |
|
else p = pan + RgnInfo.Pan; |
| 520 |
|
|
| 521 |
|
if (p < 0) return 0; |
| 522 |
|
if (p > 127) return 127; |
| 523 |
|
return p; |
| 524 |
} |
} |
| 525 |
|
|
| 526 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |
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