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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "EGADSR.h" |
#include "../../common/Features.h" |
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#include "Manipulator.h" |
#include "Synthesizer.h" |
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#include "Voice.h" |
#include "Voice.h" |
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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// TODO: no support for crossfades yet |
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const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
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const int Voice::FILTER_UPDATE_MASK(CalculateFilterUpdateMask()); |
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float Voice::CalculateFilterCutoffCoeff() { |
float Voice::CalculateFilterCutoffCoeff() { |
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return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
return log(CONFIG_FILTER_CUTOFF_MAX / CONFIG_FILTER_CUTOFF_MIN); |
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} |
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int Voice::CalculateFilterUpdateMask() { |
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if (FILTER_UPDATE_PERIOD <= 0) return 0; |
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int power_of_two; |
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for (power_of_two = 0; 1<<power_of_two < FILTER_UPDATE_PERIOD; power_of_two++); |
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return (1 << power_of_two) - 1; |
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} |
} |
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Voice::Voice() { |
Voice::Voice() { |
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pEngine = NULL; |
pEngine = NULL; |
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pDiskThread = NULL; |
pDiskThread = NULL; |
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Active = false; |
PlaybackState = playback_state_end; |
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pEG1 = NULL; |
pLFO1 = new LFOUnsigned(1.0f); // amplitude EG (0..1 range) |
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pEG2 = NULL; |
pLFO2 = new LFOUnsigned(1.0f); // filter EG (0..1 range) |
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pEG3 = NULL; |
pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range) |
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pVCAManipulator = NULL; |
KeyGroup = 0; |
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pVCFCManipulator = NULL; |
SynthesisMode = 0; // set all mode bits to 0 first |
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pVCOManipulator = NULL; |
// select synthesis implementation (currently either pure C++ or MMX+SSE(1)) |
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pLFO1 = NULL; |
#if CONFIG_ASM && ARCH_X86 |
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pLFO2 = NULL; |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
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pLFO3 = NULL; |
#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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} |
} |
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Voice::~Voice() { |
Voice::~Voice() { |
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if (pEG1) delete pEG1; |
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if (pEG2) delete pEG2; |
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if (pEG3) delete pEG3; |
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if (pLFO1) delete pLFO1; |
if (pLFO1) delete pLFO1; |
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if (pLFO2) delete pLFO2; |
if (pLFO2) delete pLFO2; |
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if (pLFO3) delete pLFO3; |
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) { |
void Voice::SetEngine(Engine* pEngine) { |
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this->pEngine = pEngine; |
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; |
this->pDiskThread = pEngine->pDiskThread; |
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dmsg(6,("Voice::SetEngine()\n")); |
dmsg(6,("Voice::SetEngine()\n")); |
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} |
} |
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* Initializes and triggers the voice, a disk stream will be launched if |
* Initializes and triggers the voice, a disk stream will be launched if |
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* needed. |
* needed. |
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* |
* |
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* @param pNoteOnEvent - event that caused triggering of this voice |
* @param pEngineChannel - engine channel on which this voice was ordered |
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* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
* @param itNoteOnEvent - event that caused triggering of this voice |
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* @param pInstrument - points to the loaded instrument which provides sample wave(s) and articulation data |
* @param PitchBend - MIDI detune factor (-8192 ... +8191) |
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* @param iLayer - layer number this voice refers to (only if this is a layered sound of course) |
* @param pDimRgn - points to the dimension region which provides sample wave(s) and articulation data |
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* @returns 0 on success, a value < 0 if something failed |
* @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(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer) { |
int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) { |
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if (!pInstrument) { |
this->pEngineChannel = pEngineChannel; |
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dmsg(1,("voice::trigger: !pInstrument\n")); |
this->pDimRgn = pDimRgn; |
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exit(EXIT_FAILURE); |
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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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Active = true; |
// select channel mode (mono or stereo) |
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MIDIKey = pNoteOnEvent->Key; |
SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
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pRegion = pInstrument->GetRegion(MIDIKey); |
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PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
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Delay = pNoteOnEvent->FragmentPos(); |
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pTriggerEvent = pNoteOnEvent; |
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if (!pRegion) { |
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std::cerr << "gig::Voice: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
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Kill(); |
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return -1; |
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} |
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// get current dimension values to select the right dimension region |
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//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
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uint DimValues[5] = {0,0,0,0,0}; |
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for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
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switch (pRegion->pDimensionDefinitions[i].dimension) { |
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case ::gig::dimension_samplechannel: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_layer: |
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DimValues[i] = iLayer; |
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// if this is the 1st layer then spawn further voices for all the other layers |
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if (iLayer == 0) |
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for (int iNewLayer = 1; iNewLayer < pRegion->pDimensionDefinitions[i].zones; iNewLayer++) |
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pEngine->LaunchVoice(pNoteOnEvent, iNewLayer); |
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break; |
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case ::gig::dimension_velocity: |
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DimValues[i] = pNoteOnEvent->Velocity; |
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break; |
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case ::gig::dimension_channelaftertouch: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_releasetrigger: |
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DimValues[i] = 0; //TODO: we currently ignore this dimension |
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break; |
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case ::gig::dimension_keyboard: |
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DimValues[i] = (uint) pNoteOnEvent->Key; |
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break; |
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case ::gig::dimension_modwheel: |
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DimValues[i] = pEngine->ControllerTable[1]; |
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break; |
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case ::gig::dimension_breath: |
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DimValues[i] = pEngine->ControllerTable[2]; |
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break; |
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case ::gig::dimension_foot: |
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DimValues[i] = pEngine->ControllerTable[4]; |
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break; |
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case ::gig::dimension_portamentotime: |
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DimValues[i] = pEngine->ControllerTable[5]; |
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break; |
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case ::gig::dimension_effect1: |
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DimValues[i] = pEngine->ControllerTable[12]; |
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break; |
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case ::gig::dimension_effect2: |
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DimValues[i] = pEngine->ControllerTable[13]; |
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break; |
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case ::gig::dimension_genpurpose1: |
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DimValues[i] = pEngine->ControllerTable[16]; |
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break; |
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case ::gig::dimension_genpurpose2: |
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DimValues[i] = pEngine->ControllerTable[17]; |
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break; |
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case ::gig::dimension_genpurpose3: |
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DimValues[i] = pEngine->ControllerTable[18]; |
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break; |
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case ::gig::dimension_genpurpose4: |
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DimValues[i] = pEngine->ControllerTable[19]; |
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break; |
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case ::gig::dimension_sustainpedal: |
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DimValues[i] = pEngine->ControllerTable[64]; |
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break; |
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case ::gig::dimension_portamento: |
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DimValues[i] = pEngine->ControllerTable[65]; |
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break; |
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case ::gig::dimension_sostenutopedal: |
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DimValues[i] = pEngine->ControllerTable[66]; |
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break; |
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case ::gig::dimension_softpedal: |
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DimValues[i] = pEngine->ControllerTable[67]; |
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break; |
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case ::gig::dimension_genpurpose5: |
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DimValues[i] = pEngine->ControllerTable[80]; |
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break; |
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case ::gig::dimension_genpurpose6: |
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DimValues[i] = pEngine->ControllerTable[81]; |
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break; |
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case ::gig::dimension_genpurpose7: |
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DimValues[i] = pEngine->ControllerTable[82]; |
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break; |
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case ::gig::dimension_genpurpose8: |
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DimValues[i] = pEngine->ControllerTable[83]; |
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break; |
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case ::gig::dimension_effect1depth: |
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DimValues[i] = pEngine->ControllerTable[91]; |
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break; |
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case ::gig::dimension_effect2depth: |
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DimValues[i] = pEngine->ControllerTable[92]; |
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break; |
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case ::gig::dimension_effect3depth: |
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DimValues[i] = pEngine->ControllerTable[93]; |
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break; |
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case ::gig::dimension_effect4depth: |
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DimValues[i] = pEngine->ControllerTable[94]; |
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break; |
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case ::gig::dimension_effect5depth: |
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DimValues[i] = pEngine->ControllerTable[95]; |
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break; |
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case ::gig::dimension_none: |
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std::cerr << "gig::Voice::Trigger() Error: dimension=none\n" << std::flush; |
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break; |
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default: |
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std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush; |
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} |
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} |
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pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
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// get starting crossfade volume level |
// get starting crossfade volume level |
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switch (pDimRgn->AttenuationController.type) { |
switch (pDimRgn->AttenuationController.type) { |
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CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
CrossfadeVolume = 1.0f; //TODO: aftertouch not supported yet |
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break; |
break; |
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case ::gig::attenuation_ctrl_t::type_velocity: |
case ::gig::attenuation_ctrl_t::type_velocity: |
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CrossfadeVolume = CrossfadeAttenuation(pNoteOnEvent->Velocity); |
CrossfadeVolume = CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity); |
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break; |
break; |
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case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
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CrossfadeVolume = CrossfadeAttenuation(pEngine->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
CrossfadeVolume = CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number]); |
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break; |
break; |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
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default: |
default: |
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CrossfadeVolume = 1.0f; |
CrossfadeVolume = 1.0f; |
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} |
} |
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pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
PanLeft = 1.0f - float(RTMath::Max(pDimRgn->Pan, 0)) / 63.0f; |
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PanRight = 1.0f - float(RTMath::Min(pDimRgn->Pan, 0)) / -64.0f; |
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Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
Pos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
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DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
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if (DiskVoice) { // voice to be streamed from disk |
if (DiskVoice) { // voice to be streamed from disk |
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MaxRAMPos = cachedsamples - (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels; //TODO: this calculation is too pessimistic and may better be moved to Render() method, so it calculates MaxRAMPos dependent to the current demand of sample points to be rendered (e.g. in case of JACK) |
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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// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
// check if there's a loop defined which completely fits into the cached (RAM) part of the sample |
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if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
if (pSample->Loops && pSample->LoopEnd <= MaxRAMPos) { |
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if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
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dmsg(1,("Disk stream order failed!\n")); |
dmsg(1,("Disk stream order failed!\n")); |
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Kill(); |
KillImmediately(); |
160 |
return -1; |
return -1; |
161 |
} |
} |
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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")); |
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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// calculate initial pitch value |
// calculate initial pitch value |
176 |
{ |
{ |
177 |
double pitchbasecents = pDimRgn->FineTune * 10; |
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
178 |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
179 |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate())); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate)); |
180 |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
181 |
} |
} |
182 |
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183 |
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// the length of the decay and release curves are dependent on the velocity |
184 |
Volume = pDimRgn->GetVelocityAttenuation(pNoteOnEvent->Velocity) / 32768.0f; // we downscale by 32768 to convert from int16 value range to DSP value range (which is -1.0..1.0) |
const double velrelease = 1 / pDimRgn->GetVelocityRelease(itNoteOnEvent->Param.Note.Velocity); |
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185 |
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186 |
// setup EG 1 (VCA EG) |
// setup EG 1 (VCA EG) |
187 |
{ |
{ |
195 |
eg1controllervalue = 0; // TODO: aftertouch not yet supported |
eg1controllervalue = 0; // TODO: aftertouch not yet supported |
196 |
break; |
break; |
197 |
case ::gig::eg1_ctrl_t::type_velocity: |
case ::gig::eg1_ctrl_t::type_velocity: |
198 |
eg1controllervalue = pNoteOnEvent->Velocity; |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
199 |
break; |
break; |
200 |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
201 |
eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
202 |
break; |
break; |
203 |
} |
} |
204 |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
205 |
|
|
206 |
// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
// calculate influence of EG1 controller on EG1's parameters |
207 |
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
// (eg1attack is different from the others) |
208 |
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 0.0; |
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? |
209 |
double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0; |
1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ? |
210 |
|
1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0; |
211 |
pEG1->Trigger(pDimRgn->EG1PreAttack, |
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 1.0; |
212 |
pDimRgn->EG1Attack + eg1attack, |
double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0; |
213 |
pDimRgn->EG1Hold, |
|
214 |
pSample->LoopStart, |
EG1.trigger(pDimRgn->EG1PreAttack, |
215 |
pDimRgn->EG1Decay1 + eg1decay, |
pDimRgn->EG1Attack * eg1attack, |
216 |
pDimRgn->EG1Decay2 + eg1decay, |
pDimRgn->EG1Hold, |
217 |
pDimRgn->EG1InfiniteSustain, |
pSample->LoopStart, |
218 |
pDimRgn->EG1Sustain, |
pDimRgn->EG1Decay1 * eg1decay * velrelease, |
219 |
pDimRgn->EG1Release + eg1release, |
pDimRgn->EG1Decay2 * eg1decay * velrelease, |
220 |
Delay); |
pDimRgn->EG1InfiniteSustain, |
221 |
|
pDimRgn->EG1Sustain, |
222 |
|
pDimRgn->EG1Release * eg1release * velrelease, |
223 |
|
velocityAttenuation, |
224 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
225 |
} |
} |
226 |
|
|
227 |
|
|
|
#if ENABLE_FILTER |
|
228 |
// setup EG 2 (VCF Cutoff EG) |
// setup EG 2 (VCF Cutoff EG) |
229 |
{ |
{ |
230 |
// get current value of EG2 controller |
// get current value of EG2 controller |
237 |
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
238 |
break; |
break; |
239 |
case ::gig::eg2_ctrl_t::type_velocity: |
case ::gig::eg2_ctrl_t::type_velocity: |
240 |
eg2controllervalue = pNoteOnEvent->Velocity; |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
241 |
break; |
break; |
242 |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
243 |
eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
244 |
break; |
break; |
245 |
} |
} |
246 |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
247 |
|
|
248 |
// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
// calculate influence of EG2 controller on EG2's parameters |
249 |
double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 0.0; |
double eg2attack = (pDimRgn->EG2ControllerAttackInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerAttackInfluence) * eg2controllervalue : 1.0; |
250 |
double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 0.0; |
double eg2decay = (pDimRgn->EG2ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerDecayInfluence) * eg2controllervalue : 1.0; |
251 |
double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 0.0; |
double eg2release = (pDimRgn->EG2ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG2ControllerReleaseInfluence) * eg2controllervalue : 1.0; |
252 |
|
|
253 |
pEG2->Trigger(pDimRgn->EG2PreAttack, |
EG2.trigger(pDimRgn->EG2PreAttack, |
254 |
pDimRgn->EG2Attack + eg2attack, |
pDimRgn->EG2Attack * eg2attack, |
255 |
false, |
false, |
256 |
pSample->LoopStart, |
pSample->LoopStart, |
257 |
pDimRgn->EG2Decay1 + eg2decay, |
pDimRgn->EG2Decay1 * eg2decay * velrelease, |
258 |
pDimRgn->EG2Decay2 + eg2decay, |
pDimRgn->EG2Decay2 * eg2decay * velrelease, |
259 |
pDimRgn->EG2InfiniteSustain, |
pDimRgn->EG2InfiniteSustain, |
260 |
pDimRgn->EG2Sustain, |
pDimRgn->EG2Sustain, |
261 |
pDimRgn->EG2Release + eg2release, |
pDimRgn->EG2Release * eg2release * velrelease, |
262 |
Delay); |
velocityAttenuation, |
263 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
264 |
} |
} |
|
#endif // ENABLE_FILTER |
|
265 |
|
|
266 |
|
|
267 |
// setup EG 3 (VCO EG) |
// setup EG 3 (VCO EG) |
268 |
{ |
{ |
269 |
double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
270 |
pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay); |
EG3.trigger(eg3depth, pDimRgn->EG3Attack, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
271 |
} |
} |
272 |
|
|
273 |
|
|
278 |
case ::gig::lfo1_ctrl_internal: |
case ::gig::lfo1_ctrl_internal: |
279 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
280 |
pLFO1->ExtController = 0; // no external controller |
pLFO1->ExtController = 0; // no external controller |
281 |
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
282 |
break; |
break; |
283 |
case ::gig::lfo1_ctrl_modwheel: |
case ::gig::lfo1_ctrl_modwheel: |
284 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
285 |
pLFO1->ExtController = 1; // MIDI controller 1 |
pLFO1->ExtController = 1; // MIDI controller 1 |
286 |
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
287 |
break; |
break; |
288 |
case ::gig::lfo1_ctrl_breath: |
case ::gig::lfo1_ctrl_breath: |
289 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
290 |
pLFO1->ExtController = 2; // MIDI controller 2 |
pLFO1->ExtController = 2; // MIDI controller 2 |
291 |
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
292 |
break; |
break; |
293 |
case ::gig::lfo1_ctrl_internal_modwheel: |
case ::gig::lfo1_ctrl_internal_modwheel: |
294 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
295 |
pLFO1->ExtController = 1; // MIDI controller 1 |
pLFO1->ExtController = 1; // MIDI controller 1 |
296 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
297 |
break; |
break; |
298 |
case ::gig::lfo1_ctrl_internal_breath: |
case ::gig::lfo1_ctrl_internal_breath: |
299 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
300 |
pLFO1->ExtController = 2; // MIDI controller 2 |
pLFO1->ExtController = 2; // MIDI controller 2 |
301 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
302 |
break; |
break; |
303 |
default: |
default: |
304 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
305 |
pLFO1->ExtController = 0; // no external controller |
pLFO1->ExtController = 0; // no external controller |
306 |
|
bLFO1Enabled = false; |
307 |
} |
} |
308 |
pLFO1->Trigger(pDimRgn->LFO1Frequency, |
if (bLFO1Enabled) pLFO1->trigger(pDimRgn->LFO1Frequency, |
309 |
lfo1_internal_depth, |
start_level_max, |
310 |
pDimRgn->LFO1ControlDepth, |
lfo1_internal_depth, |
311 |
pEngine->ControllerTable[pLFO1->ExtController], |
pDimRgn->LFO1ControlDepth, |
312 |
pDimRgn->LFO1FlipPhase, |
pDimRgn->LFO1FlipPhase, |
313 |
pEngine->SampleRate, |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
Delay); |
|
314 |
} |
} |
315 |
|
|
316 |
#if ENABLE_FILTER |
|
317 |
// setup LFO 2 (VCF Cutoff LFO) |
// setup LFO 2 (VCF Cutoff LFO) |
318 |
{ |
{ |
319 |
uint16_t lfo2_internal_depth; |
uint16_t lfo2_internal_depth; |
321 |
case ::gig::lfo2_ctrl_internal: |
case ::gig::lfo2_ctrl_internal: |
322 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
323 |
pLFO2->ExtController = 0; // no external controller |
pLFO2->ExtController = 0; // no external controller |
324 |
|
bLFO2Enabled = (lfo2_internal_depth > 0); |
325 |
break; |
break; |
326 |
case ::gig::lfo2_ctrl_modwheel: |
case ::gig::lfo2_ctrl_modwheel: |
327 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
328 |
pLFO2->ExtController = 1; // MIDI controller 1 |
pLFO2->ExtController = 1; // MIDI controller 1 |
329 |
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
330 |
break; |
break; |
331 |
case ::gig::lfo2_ctrl_foot: |
case ::gig::lfo2_ctrl_foot: |
332 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
333 |
pLFO2->ExtController = 4; // MIDI controller 4 |
pLFO2->ExtController = 4; // MIDI controller 4 |
334 |
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
335 |
break; |
break; |
336 |
case ::gig::lfo2_ctrl_internal_modwheel: |
case ::gig::lfo2_ctrl_internal_modwheel: |
337 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
338 |
pLFO2->ExtController = 1; // MIDI controller 1 |
pLFO2->ExtController = 1; // MIDI controller 1 |
339 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
340 |
break; |
break; |
341 |
case ::gig::lfo2_ctrl_internal_foot: |
case ::gig::lfo2_ctrl_internal_foot: |
342 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
343 |
pLFO2->ExtController = 4; // MIDI controller 4 |
pLFO2->ExtController = 4; // MIDI controller 4 |
344 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
345 |
break; |
break; |
346 |
default: |
default: |
347 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
348 |
pLFO2->ExtController = 0; // no external controller |
pLFO2->ExtController = 0; // no external controller |
349 |
|
bLFO2Enabled = false; |
350 |
} |
} |
351 |
pLFO2->Trigger(pDimRgn->LFO2Frequency, |
if (bLFO2Enabled) pLFO2->trigger(pDimRgn->LFO2Frequency, |
352 |
lfo2_internal_depth, |
start_level_max, |
353 |
pDimRgn->LFO2ControlDepth, |
lfo2_internal_depth, |
354 |
pEngine->ControllerTable[pLFO2->ExtController], |
pDimRgn->LFO2ControlDepth, |
355 |
pDimRgn->LFO2FlipPhase, |
pDimRgn->LFO2FlipPhase, |
356 |
pEngine->SampleRate, |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
Delay); |
|
357 |
} |
} |
358 |
#endif // ENABLE_FILTER |
|
359 |
|
|
360 |
// setup LFO 3 (VCO LFO) |
// setup LFO 3 (VCO LFO) |
361 |
{ |
{ |
364 |
case ::gig::lfo3_ctrl_internal: |
case ::gig::lfo3_ctrl_internal: |
365 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
366 |
pLFO3->ExtController = 0; // no external controller |
pLFO3->ExtController = 0; // no external controller |
367 |
|
bLFO3Enabled = (lfo3_internal_depth > 0); |
368 |
break; |
break; |
369 |
case ::gig::lfo3_ctrl_modwheel: |
case ::gig::lfo3_ctrl_modwheel: |
370 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
371 |
pLFO3->ExtController = 1; // MIDI controller 1 |
pLFO3->ExtController = 1; // MIDI controller 1 |
372 |
|
bLFO3Enabled = (pDimRgn->LFO3ControlDepth > 0); |
373 |
break; |
break; |
374 |
case ::gig::lfo3_ctrl_aftertouch: |
case ::gig::lfo3_ctrl_aftertouch: |
375 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
376 |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
377 |
|
bLFO3Enabled = false; // see TODO comment in line above |
378 |
break; |
break; |
379 |
case ::gig::lfo3_ctrl_internal_modwheel: |
case ::gig::lfo3_ctrl_internal_modwheel: |
380 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
381 |
pLFO3->ExtController = 1; // MIDI controller 1 |
pLFO3->ExtController = 1; // MIDI controller 1 |
382 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0); |
383 |
break; |
break; |
384 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
case ::gig::lfo3_ctrl_internal_aftertouch: |
385 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
386 |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
387 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 /*|| pDimRgn->LFO3ControlDepth > 0*/); // see TODO comment in line above |
388 |
break; |
break; |
389 |
default: |
default: |
390 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
391 |
pLFO3->ExtController = 0; // no external controller |
pLFO3->ExtController = 0; // no external controller |
392 |
|
bLFO3Enabled = false; |
393 |
} |
} |
394 |
pLFO3->Trigger(pDimRgn->LFO3Frequency, |
if (bLFO3Enabled) pLFO3->trigger(pDimRgn->LFO3Frequency, |
395 |
lfo3_internal_depth, |
start_level_mid, |
396 |
pDimRgn->LFO3ControlDepth, |
lfo3_internal_depth, |
397 |
pEngine->ControllerTable[pLFO3->ExtController], |
pDimRgn->LFO3ControlDepth, |
398 |
false, |
false, |
399 |
pEngine->SampleRate, |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
Delay); |
|
400 |
} |
} |
401 |
|
|
402 |
#if ENABLE_FILTER |
|
403 |
#if FORCE_FILTER_USAGE |
#if CONFIG_FORCE_FILTER |
404 |
FilterLeft.Enabled = FilterRight.Enabled = true; |
const bool bUseFilter = true; |
405 |
#else // use filter only if instrument file told so |
#else // use filter only if instrument file told so |
406 |
FilterLeft.Enabled = FilterRight.Enabled = pDimRgn->VCFEnabled; |
const bool bUseFilter = pDimRgn->VCFEnabled; |
407 |
#endif // FORCE_FILTER_USAGE |
#endif // CONFIG_FORCE_FILTER |
408 |
if (pDimRgn->VCFEnabled) { |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
409 |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
if (bUseFilter) { |
410 |
VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL; |
#ifdef CONFIG_OVERRIDE_CUTOFF_CTRL |
411 |
|
VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL; |
412 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
413 |
switch (pDimRgn->VCFCutoffController) { |
switch (pDimRgn->VCFCutoffController) { |
414 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
case ::gig::vcf_cutoff_ctrl_modwheel: |
444 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
445 |
break; |
break; |
446 |
} |
} |
447 |
#endif // OVERRIDE_FILTER_CUTOFF_CTRL |
#endif // CONFIG_OVERRIDE_CUTOFF_CTRL |
448 |
|
|
449 |
#ifdef OVERRIDE_FILTER_RES_CTRL |
#ifdef CONFIG_OVERRIDE_RESONANCE_CTRL |
450 |
VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_CTRL; |
VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL; |
451 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
452 |
switch (pDimRgn->VCFResonanceController) { |
switch (pDimRgn->VCFResonanceController) { |
453 |
case ::gig::vcf_res_ctrl_genpurpose3: |
case ::gig::vcf_res_ctrl_genpurpose3: |
466 |
default: |
default: |
467 |
VCFResonanceCtrl.controller = 0; |
VCFResonanceCtrl.controller = 0; |
468 |
} |
} |
469 |
#endif // OVERRIDE_FILTER_RES_CTRL |
#endif // CONFIG_OVERRIDE_RESONANCE_CTRL |
470 |
|
|
471 |
#ifndef OVERRIDE_FILTER_TYPE |
#ifndef CONFIG_OVERRIDE_FILTER_TYPE |
472 |
FilterLeft.SetType(pDimRgn->VCFType); |
FilterLeft.SetType(pDimRgn->VCFType); |
473 |
FilterRight.SetType(pDimRgn->VCFType); |
FilterRight.SetType(pDimRgn->VCFType); |
474 |
#else // override filter type |
#else // override filter type |
475 |
FilterLeft.SetType(OVERRIDE_FILTER_TYPE); |
FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
476 |
FilterRight.SetType(OVERRIDE_FILTER_TYPE); |
FilterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
477 |
#endif // OVERRIDE_FILTER_TYPE |
#endif // CONFIG_OVERRIDE_FILTER_TYPE |
478 |
|
|
479 |
VCFCutoffCtrl.value = pEngine->ControllerTable[VCFCutoffCtrl.controller]; |
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
480 |
VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller]; |
VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller]; |
481 |
|
|
482 |
// calculate cutoff frequency |
// calculate cutoff frequency |
483 |
float cutoff = (!VCFCutoffCtrl.controller) |
float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity); |
484 |
? exp((float) (127 - pNoteOnEvent->Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX |
if (pDimRgn->VCFKeyboardTracking) { |
485 |
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX; |
cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) |
486 |
|
} |
487 |
|
CutoffBase = cutoff; |
488 |
|
|
489 |
|
int cvalue; |
490 |
|
if (VCFCutoffCtrl.controller) { |
491 |
|
cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
492 |
|
if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
493 |
|
if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale; |
494 |
|
} |
495 |
|
else { |
496 |
|
cvalue = pDimRgn->VCFCutoff; |
497 |
|
} |
498 |
|
cutoff *= float(cvalue) * 0.00787402f; // (1 / 127) |
499 |
|
if (cutoff > 1.0) cutoff = 1.0; |
500 |
|
cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN; |
501 |
|
|
502 |
// calculate resonance |
// calculate resonance |
503 |
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
504 |
if (pDimRgn->VCFKeyboardTracking) { |
if (pDimRgn->VCFKeyboardTracking) { |
505 |
resonance += (float) (pNoteOnEvent->Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
resonance += (float) (itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
506 |
} |
} |
507 |
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
508 |
|
|
509 |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
VCFCutoffCtrl.fvalue = cutoff - CONFIG_FILTER_CUTOFF_MIN; |
510 |
VCFResonanceCtrl.fvalue = resonance; |
VCFResonanceCtrl.fvalue = resonance; |
|
|
|
|
FilterLeft.SetParameters(cutoff, resonance, pEngine->SampleRate); |
|
|
FilterRight.SetParameters(cutoff, resonance, pEngine->SampleRate); |
|
|
|
|
|
FilterUpdateCounter = -1; |
|
511 |
} |
} |
512 |
else { |
else { |
513 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
514 |
VCFResonanceCtrl.controller = 0; |
VCFResonanceCtrl.controller = 0; |
515 |
} |
} |
|
#endif // ENABLE_FILTER |
|
|
|
|
|
// ************************************************ |
|
|
// TODO: ARTICULATION DATA HANDLING IS MISSING HERE |
|
|
// ************************************************ |
|
516 |
|
|
517 |
return 0; // success |
return 0; // success |
518 |
} |
} |
530 |
*/ |
*/ |
531 |
void Voice::Render(uint Samples) { |
void Voice::Render(uint Samples) { |
532 |
|
|
533 |
// Reset the synthesis parameter matrix |
// select default values for synthesis mode bits |
534 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume * this->CrossfadeVolume * pEngine->GlobalVolume); |
SYNTHESIS_MODE_SET_LOOP(SynthesisMode, false); |
|
pEngine->ResetSynthesisParameters(Event::destination_vco, this->PitchBase); |
|
|
#if ENABLE_FILTER |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vcfc, VCFCutoffCtrl.fvalue); |
|
|
pEngine->ResetSynthesisParameters(Event::destination_vcfr, VCFResonanceCtrl.fvalue); |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
|
|
|
|
// Apply events to the synthesis parameter matrix |
|
|
ProcessEvents(Samples); |
|
|
|
|
|
|
|
|
// Let all modulators write their parameter changes to the synthesis parameter matrix for the current audio fragment |
|
|
pEG1->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
|
|
#if ENABLE_FILTER |
|
|
pEG2->Process(Samples, pEngine->pMIDIKeyInfo[MIDIKey].pEvents, pTriggerEvent, this->Pos, this->PitchBase * this->PitchBend); |
|
|
#endif // ENABLE_FILTER |
|
|
pEG3->Process(Samples); |
|
|
pLFO1->Process(Samples); |
|
|
#if ENABLE_FILTER |
|
|
pLFO2->Process(Samples); |
|
|
#endif // ENABLE_FILTER |
|
|
pLFO3->Process(Samples); |
|
|
|
|
|
|
|
|
#if ENABLE_FILTER |
|
|
CalculateBiquadParameters(Samples); // calculate the final biquad filter parameters |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
535 |
|
|
536 |
switch (this->PlaybackState) { |
switch (this->PlaybackState) { |
537 |
|
|
538 |
|
case playback_state_init: |
539 |
|
this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
540 |
|
// no break - continue with playback_state_ram |
541 |
|
|
542 |
case playback_state_ram: { |
case playback_state_ram: { |
543 |
if (RAMLoop) InterpolateAndLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
544 |
else Interpolate(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
|
545 |
|
// render current fragment |
546 |
|
Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
547 |
|
|
548 |
if (DiskVoice) { |
if (DiskVoice) { |
549 |
// check if we reached the allowed limit of the sample RAM cache |
// check if we reached the allowed limit of the sample RAM cache |
550 |
if (Pos > MaxRAMPos) { |
if (Pos > MaxRAMPos) { |
564 |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
565 |
if (!DiskStreamRef.pStream) { |
if (!DiskStreamRef.pStream) { |
566 |
std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush; |
std::cout << stderr << "Disk stream not available in time!" << std::endl << std::flush; |
567 |
Kill(); |
KillImmediately(); |
568 |
return; |
return; |
569 |
} |
} |
570 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos)); |
571 |
Pos -= RTMath::DoubleToInt(Pos); |
Pos -= int(Pos); |
572 |
|
RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet |
573 |
} |
} |
574 |
|
|
575 |
|
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
576 |
|
|
577 |
// add silence sample at the end if we reached the end of the stream (for the interpolator) |
// add silence sample at the end if we reached the end of the stream (for the interpolator) |
578 |
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
if (DiskStreamRef.State == Stream::state_end) { |
579 |
DiskStreamRef.pStream->WriteSilence((pEngine->MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
580 |
this->PlaybackState = playback_state_end; |
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
581 |
|
// remember how many sample words there are before any silence has been added |
582 |
|
if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead; |
583 |
|
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
584 |
|
} |
585 |
} |
} |
586 |
|
|
587 |
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
588 |
Interpolate(Samples, ptr, Delay); |
|
589 |
DiskStreamRef.pStream->IncrementReadPos(RTMath::DoubleToInt(Pos) * pSample->Channels); |
// render current audio fragment |
590 |
Pos -= RTMath::DoubleToInt(Pos); |
Synthesize(Samples, ptr, Delay); |
591 |
|
|
592 |
|
const int iPos = (int) Pos; |
593 |
|
const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read |
594 |
|
DiskStreamRef.pStream->IncrementReadPos(readSampleWords); |
595 |
|
Pos -= iPos; // just keep fractional part of Pos |
596 |
|
|
597 |
|
// change state of voice to 'end' if we really reached the end of the sample data |
598 |
|
if (RealSampleWordsLeftToRead >= 0) { |
599 |
|
RealSampleWordsLeftToRead -= readSampleWords; |
600 |
|
if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end; |
601 |
|
} |
602 |
} |
} |
603 |
break; |
break; |
604 |
|
|
605 |
case playback_state_end: |
case playback_state_end: |
606 |
Kill(); // free voice |
std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush; |
607 |
break; |
break; |
608 |
} |
} |
609 |
|
|
610 |
|
// Reset synthesis event lists |
611 |
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
pEngineChannel->pEvents->clear(); |
|
pEngine->pSynthesisEvents[Event::destination_vca]->clear(); |
|
|
#if ENABLE_FILTER |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
|
|
#endif // ENABLE_FILTER |
|
612 |
|
|
613 |
// Reset delay |
// Reset delay |
614 |
Delay = 0; |
Delay = 0; |
615 |
|
|
616 |
pTriggerEvent = NULL; |
itTriggerEvent = Pool<Event>::Iterator(); |
617 |
|
|
618 |
// If release stage finished, let the voice be killed |
// If sample stream or release stage finished, kill the voice |
619 |
if (pEG1->GetStage() == EGADSR::stage_end) this->PlaybackState = playback_state_end; |
if (PlaybackState == playback_state_end || EG1.getSegmentType() == EGADSR::segment_end) KillImmediately(); |
620 |
} |
} |
621 |
|
|
622 |
/** |
/** |
624 |
* suspended / not running. |
* suspended / not running. |
625 |
*/ |
*/ |
626 |
void Voice::Reset() { |
void Voice::Reset() { |
627 |
pLFO1->Reset(); |
FilterLeft.Reset(); |
628 |
pLFO2->Reset(); |
FilterRight.Reset(); |
|
pLFO3->Reset(); |
|
629 |
DiskStreamRef.pStream = NULL; |
DiskStreamRef.pStream = NULL; |
630 |
DiskStreamRef.hStream = 0; |
DiskStreamRef.hStream = 0; |
631 |
DiskStreamRef.State = Stream::state_unused; |
DiskStreamRef.State = Stream::state_unused; |
632 |
DiskStreamRef.OrderID = 0; |
DiskStreamRef.OrderID = 0; |
633 |
Active = false; |
PlaybackState = playback_state_end; |
634 |
|
itTriggerEvent = Pool<Event>::Iterator(); |
635 |
|
itKillEvent = Pool<Event>::Iterator(); |
636 |
} |
} |
637 |
|
|
638 |
/** |
/** |
639 |
* Process the control change event lists of the engine for the current |
* Process given list of MIDI note on, note off and sustain pedal events |
640 |
* audio fragment. Event values will be applied to the synthesis parameter |
* for the given time. |
|
* matrix. |
|
641 |
* |
* |
642 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
* @param itEvent - iterator pointing to the next event to be processed |
643 |
|
* @param End - youngest time stamp where processing should be stopped |
644 |
*/ |
*/ |
645 |
void Voice::ProcessEvents(uint Samples) { |
void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) { |
646 |
|
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
647 |
// dispatch control change events |
if (itEvent->Type == Event::type_release) { |
648 |
Event* pCCEvent = pEngine->pCCEvents->first(); |
EG1.update(EGADSR::event_release, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
649 |
if (Delay) { // skip events that happened before this voice was triggered |
EG2.update(EGADSR::event_release, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
650 |
while (pCCEvent && pCCEvent->FragmentPos() <= Delay) pCCEvent = pEngine->pCCEvents->next(); |
} else if (itEvent->Type == Event::type_cancel_release) { |
651 |
} |
EG1.update(EGADSR::event_cancel_release, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
652 |
while (pCCEvent) { |
EG2.update(EGADSR::event_cancel_release, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
|
if (pCCEvent->Controller) { // if valid MIDI controller |
|
|
#if ENABLE_FILTER |
|
|
if (pCCEvent->Controller == VCFCutoffCtrl.controller) { |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfc]->alloc_assign(*pCCEvent); |
|
|
} |
|
|
if (pCCEvent->Controller == VCFResonanceCtrl.controller) { |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfr]->alloc_assign(*pCCEvent); |
|
|
} |
|
|
#endif // ENABLE_FILTER |
|
|
if (pCCEvent->Controller == pLFO1->ExtController) { |
|
|
pLFO1->SendEvent(pCCEvent); |
|
|
} |
|
|
#if ENABLE_FILTER |
|
|
if (pCCEvent->Controller == pLFO2->ExtController) { |
|
|
pLFO2->SendEvent(pCCEvent); |
|
|
} |
|
|
#endif // ENABLE_FILTER |
|
|
if (pCCEvent->Controller == pLFO3->ExtController) { |
|
|
pLFO3->SendEvent(pCCEvent); |
|
|
} |
|
|
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
|
|
pCCEvent->Controller == pDimRgn->AttenuationController.controller_number) { // if crossfade event |
|
|
pEngine->pSynthesisEvents[Event::destination_vca]->alloc_assign(*pCCEvent); |
|
|
} |
|
653 |
} |
} |
|
|
|
|
pCCEvent = pEngine->pCCEvents->next(); |
|
654 |
} |
} |
655 |
|
} |
656 |
|
|
657 |
|
/** |
658 |
// process pitch events |
* Process given list of MIDI control change and pitch bend events for |
659 |
{ |
* the given time. |
660 |
RTEList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
* |
661 |
Event* pVCOEvent = pVCOEventList->first(); |
* @param itEvent - iterator pointing to the next event to be processed |
662 |
if (Delay) { // skip events that happened before this voice was triggered |
* @param End - youngest time stamp where processing should be stopped |
663 |
while (pVCOEvent && pVCOEvent->FragmentPos() <= Delay) pVCOEvent = pVCOEventList->next(); |
*/ |
664 |
} |
void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) { |
665 |
// apply old pitchbend value until first pitch event occurs |
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
666 |
if (this->PitchBend != 1.0) { |
if (itEvent->Type == Event::type_control_change && |
667 |
uint end = (pVCOEvent) ? pVCOEvent->FragmentPos() : Samples; |
itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
668 |
for (uint i = Delay; i < end; i++) { |
if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
669 |
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
processCutoffEvent(itEvent); |
670 |
|
} |
671 |
|
if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
672 |
|
processResonanceEvent(itEvent); |
673 |
} |
} |
674 |
} |
if (itEvent->Param.CC.Controller == pLFO1->ExtController) { |
675 |
float pitch; |
pLFO1->update(itEvent->Param.CC.Value); |
|
while (pVCOEvent) { |
|
|
Event* pNextVCOEvent = pVCOEventList->next(); |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (pNextVCOEvent) ? pNextVCOEvent->FragmentPos() : Samples; |
|
|
|
|
|
pitch = RTMath::CentsToFreqRatio(((double) pVCOEvent->Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
|
|
|
|
|
// apply pitch value to the pitch parameter sequence |
|
|
for (uint i = pVCOEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i] *= pitch; |
|
676 |
} |
} |
677 |
|
if (itEvent->Param.CC.Controller == pLFO2->ExtController) { |
678 |
pVCOEvent = pNextVCOEvent; |
pLFO2->update(itEvent->Param.CC.Value); |
|
} |
|
|
if (pVCOEventList->last()) this->PitchBend = pitch; |
|
|
} |
|
|
|
|
|
// process volume / attenuation events (TODO: we only handle and _expect_ crossfade events here ATM !) |
|
|
{ |
|
|
RTEList<Event>* pVCAEventList = pEngine->pSynthesisEvents[Event::destination_vca]; |
|
|
Event* pVCAEvent = pVCAEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (pVCAEvent && pVCAEvent->FragmentPos() <= Delay) pVCAEvent = pVCAEventList->next(); |
|
|
} |
|
|
float crossfadevolume; |
|
|
while (pVCAEvent) { |
|
|
Event* pNextVCAEvent = pVCAEventList->next(); |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (pNextVCAEvent) ? pNextVCAEvent->FragmentPos() : Samples; |
|
|
|
|
|
crossfadevolume = CrossfadeAttenuation(pVCAEvent->Value); |
|
|
|
|
|
float effective_volume = crossfadevolume * this->Volume * pEngine->GlobalVolume; |
|
|
|
|
|
// apply volume value to the volume parameter sequence |
|
|
for (uint i = pVCAEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i] = effective_volume; |
|
679 |
} |
} |
680 |
|
if (itEvent->Param.CC.Controller == pLFO3->ExtController) { |
681 |
pVCAEvent = pNextVCAEvent; |
pLFO3->update(itEvent->Param.CC.Value); |
|
} |
|
|
if (pVCAEventList->last()) this->CrossfadeVolume = crossfadevolume; |
|
|
} |
|
|
|
|
|
#if ENABLE_FILTER |
|
|
// process filter cutoff events |
|
|
{ |
|
|
RTEList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
|
|
Event* pCutoffEvent = pCutoffEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (pCutoffEvent && pCutoffEvent->FragmentPos() <= Delay) pCutoffEvent = pCutoffEventList->next(); |
|
|
} |
|
|
float cutoff; |
|
|
while (pCutoffEvent) { |
|
|
Event* pNextCutoffEvent = pCutoffEventList->next(); |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (pNextCutoffEvent) ? pNextCutoffEvent->FragmentPos() : Samples; |
|
|
|
|
|
cutoff = exp((float) pCutoffEvent->Value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX - FILTER_CUTOFF_MIN; |
|
|
|
|
|
// apply cutoff frequency to the cutoff parameter sequence |
|
|
for (uint i = pCutoffEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i] = cutoff; |
|
682 |
} |
} |
683 |
|
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
684 |
pCutoffEvent = pNextCutoffEvent; |
itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { |
685 |
} |
processCrossFadeEvent(itEvent); |
|
if (pCutoffEventList->last()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
|
|
} |
|
|
|
|
|
// process filter resonance events |
|
|
{ |
|
|
RTEList<Event>* pResonanceEventList = pEngine->pSynthesisEvents[Event::destination_vcfr]; |
|
|
Event* pResonanceEvent = pResonanceEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (pResonanceEvent && pResonanceEvent->FragmentPos() <= Delay) pResonanceEvent = pResonanceEventList->next(); |
|
|
} |
|
|
while (pResonanceEvent) { |
|
|
Event* pNextResonanceEvent = pResonanceEventList->next(); |
|
|
|
|
|
// calculate the influence length of this event (in sample points) |
|
|
uint end = (pNextResonanceEvent) ? pNextResonanceEvent->FragmentPos() : Samples; |
|
|
|
|
|
// convert absolute controller value to differential |
|
|
int ctrldelta = pResonanceEvent->Value - VCFResonanceCtrl.value; |
|
|
VCFResonanceCtrl.value = pResonanceEvent->Value; |
|
|
|
|
|
float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
|
|
|
|
|
// apply cutoff frequency to the cutoff parameter sequence |
|
|
for (uint i = pResonanceEvent->FragmentPos(); i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i] += resonancedelta; |
|
686 |
} |
} |
687 |
|
} else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event |
688 |
pResonanceEvent = pNextResonanceEvent; |
processPitchEvent(itEvent); |
689 |
} |
} |
|
if (pResonanceEventList->last()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Value * 0.00787f; // needed for initialization of parameter matrix next time |
|
690 |
} |
} |
|
#endif // ENABLE_FILTER |
|
691 |
} |
} |
692 |
|
|
693 |
#if ENABLE_FILTER |
void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) { |
694 |
/** |
const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
695 |
* Calculate all necessary, final biquad filter parameters. |
fFinalPitch *= pitch; |
696 |
* |
} |
697 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
|
698 |
*/ |
void Voice::processCrossFadeEvent(RTList<Event>::Iterator& itEvent) { |
699 |
void Voice::CalculateBiquadParameters(uint Samples) { |
CrossfadeVolume = CrossfadeAttenuation(itEvent->Param.CC.Value); |
700 |
if (!FilterLeft.Enabled) return; |
#if CONFIG_PROCESS_MUTED_CHANNELS |
701 |
|
const float effectiveVolume = CrossfadeVolume * Volume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume); |
702 |
biquad_param_t bqbase; |
#else |
703 |
biquad_param_t bqmain; |
const float effectiveVolume = CrossfadeVolume * Volume * pEngineChannel->GlobalVolume; |
704 |
float prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][0]; |
#endif |
705 |
float prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][0]; |
fFinalVolume = effectiveVolume; |
706 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
} |
707 |
pEngine->pBasicFilterParameters[0] = bqbase; |
|
708 |
pEngine->pMainFilterParameters[0] = bqmain; |
void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) { |
709 |
|
int ccvalue = itEvent->Param.CC.Value; |
710 |
float* bq; |
if (VCFCutoffCtrl.value == ccvalue) return; |
711 |
for (int i = 1; i < Samples; i++) { |
VCFCutoffCtrl.value == ccvalue; |
712 |
// recalculate biquad parameters if cutoff or resonance differ from previous sample point |
if (pDimRgn->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
713 |
if (!(i & FILTER_UPDATE_MASK)) if (pEngine->pSynthesisParameters[Event::destination_vcfr][i] != prev_res || |
if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale; |
714 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i] != prev_cutoff) { |
float cutoff = CutoffBase * float(ccvalue) * 0.00787402f; // (1 / 127) |
715 |
prev_cutoff = pEngine->pSynthesisParameters[Event::destination_vcfc][i]; |
if (cutoff > 1.0) cutoff = 1.0; |
716 |
prev_res = pEngine->pSynthesisParameters[Event::destination_vcfr][i]; |
cutoff = exp(cutoff * FILTER_CUTOFF_COEFF) * CONFIG_FILTER_CUTOFF_MIN - CONFIG_FILTER_CUTOFF_MIN; |
717 |
FilterLeft.SetParameters(&bqbase, &bqmain, prev_cutoff, prev_res, pEngine->SampleRate); |
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
718 |
} |
fFinalCutoff = cutoff; |
719 |
|
} |
720 |
//same as 'pEngine->pBasicFilterParameters[i] = bqbase;' |
|
721 |
bq = (float*) &pEngine->pBasicFilterParameters[i]; |
void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) { |
722 |
bq[0] = bqbase.a1; |
// convert absolute controller value to differential |
723 |
bq[1] = bqbase.a2; |
const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value; |
724 |
bq[2] = bqbase.b0; |
VCFResonanceCtrl.value = itEvent->Param.CC.Value; |
725 |
bq[3] = bqbase.b1; |
const float resonancedelta = (float) ctrldelta * 0.00787f; // 0.0..1.0 |
726 |
bq[4] = bqbase.b2; |
fFinalResonance += resonancedelta; |
727 |
|
// needed for initialization of parameter |
728 |
// same as 'pEngine->pMainFilterParameters[i] = bqmain;' |
VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value * 0.00787f; |
|
bq = (float*) &pEngine->pMainFilterParameters[i]; |
|
|
bq[0] = bqmain.a1; |
|
|
bq[1] = bqmain.a2; |
|
|
bq[2] = bqmain.b0; |
|
|
bq[3] = bqmain.b1; |
|
|
bq[4] = bqmain.b2; |
|
|
} |
|
729 |
} |
} |
|
#endif // ENABLE_FILTER |
|
730 |
|
|
731 |
/** |
/** |
732 |
* Interpolates the input audio data (no loop). |
* Synthesizes the current audio fragment for this voice. |
733 |
* |
* |
734 |
* @param Samples - number of sample points to be rendered in this audio |
* @param Samples - number of sample points to be rendered in this audio |
735 |
* fragment cycle |
* fragment cycle |
736 |
* @param pSrc - pointer to input sample data |
* @param pSrc - pointer to input sample data |
737 |
* @param Skip - number of sample points to skip in output buffer |
* @param Skip - number of sample points to skip in output buffer |
738 |
*/ |
*/ |
739 |
void Voice::Interpolate(uint Samples, sample_t* pSrc, uint Skip) { |
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
740 |
int i = Skip; |
RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first(); |
741 |
|
RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first(); |
742 |
// FIXME: assuming either mono or stereo |
|
743 |
if (this->pSample->Channels == 2) { // Stereo Sample |
if (Skip) { // skip events that happened before this voice was triggered |
744 |
while (i < Samples) { |
while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent; |
745 |
InterpolateOneStep_Stereo(pSrc, i, |
while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent; |
746 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
} |
747 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
748 |
pEngine->pBasicFilterParameters[i], |
uint i = Skip; |
749 |
pEngine->pMainFilterParameters[i]); |
while (i < Samples) { |
750 |
} |
int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples); |
751 |
} |
|
752 |
else { // Mono Sample |
// initialize all final synthesis parameters |
753 |
while (i < Samples) { |
fFinalPitch = PitchBase * PitchBend; |
754 |
InterpolateOneStep_Mono(pSrc, i, |
#if CONFIG_PROCESS_MUTED_CHANNELS |
755 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
fFinalVolume = this->Volume * this->CrossfadeVolume * (pEngineChannel->GetMute() ? 0 : pEngineChannel->GlobalVolume)); |
756 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
#else |
757 |
pEngine->pBasicFilterParameters[i], |
fFinalVolume = this->Volume * this->CrossfadeVolume * pEngineChannel->GlobalVolume; |
758 |
pEngine->pMainFilterParameters[i]); |
#endif |
759 |
|
fFinalCutoff = VCFCutoffCtrl.fvalue; |
760 |
|
fFinalResonance = VCFResonanceCtrl.fvalue; |
761 |
|
|
762 |
|
// process MIDI control change and pitchbend events for this subfragment |
763 |
|
processCCEvents(itCCEvent, iSubFragmentEnd); |
764 |
|
|
765 |
|
// process transition events (note on, note off & sustain pedal) |
766 |
|
processTransitionEvents(itNoteEvent, iSubFragmentEnd); |
767 |
|
|
768 |
|
// process envelope generators |
769 |
|
switch (EG1.getSegmentType()) { |
770 |
|
case EGADSR::segment_lin: |
771 |
|
fFinalVolume *= EG1.processLin(); |
772 |
|
break; |
773 |
|
case EGADSR::segment_exp: |
774 |
|
fFinalVolume *= EG1.processExp(); |
775 |
|
break; |
776 |
|
case EGADSR::segment_end: |
777 |
|
fFinalVolume *= EG1.getLevel(); |
778 |
|
break; // noop |
779 |
|
} |
780 |
|
switch (EG2.getSegmentType()) { |
781 |
|
case EGADSR::segment_lin: |
782 |
|
fFinalCutoff *= EG2.processLin(); |
783 |
|
break; |
784 |
|
case EGADSR::segment_exp: |
785 |
|
fFinalCutoff *= EG2.processExp(); |
786 |
|
break; |
787 |
|
case EGADSR::segment_end: |
788 |
|
fFinalCutoff *= EG2.getLevel(); |
789 |
|
break; // noop |
790 |
|
} |
791 |
|
fFinalPitch *= RTMath::CentsToFreqRatio(EG3.render()); |
792 |
|
|
793 |
|
// process low frequency oscillators |
794 |
|
if (bLFO1Enabled) fFinalVolume *= pLFO1->render(); |
795 |
|
if (bLFO2Enabled) fFinalCutoff *= pLFO2->render(); |
796 |
|
if (bLFO3Enabled) fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
797 |
|
|
798 |
|
// if filter enabled then update filter coefficients |
799 |
|
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) { |
800 |
|
FilterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate); |
801 |
|
FilterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate); |
802 |
|
} |
803 |
|
|
804 |
|
// how many steps do we calculate for this next subfragment |
805 |
|
const int steps = iSubFragmentEnd - i; |
806 |
|
|
807 |
|
// select the appropriate synthesis mode |
808 |
|
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, fFinalPitch != 1.0f); |
809 |
|
|
810 |
|
// render audio for one subfragment |
811 |
|
RunSynthesisFunction(SynthesisMode, *this, iSubFragmentEnd, pSrc, i); |
812 |
|
|
813 |
|
// increment envelopes' positions |
814 |
|
if (EG1.active()) { |
815 |
|
EG1.increment(steps); |
816 |
|
if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
817 |
|
} |
818 |
|
if (EG2.active()) { |
819 |
|
EG2.increment(steps); |
820 |
|
if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, this->Pos, fFinalPitch, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
821 |
} |
} |
822 |
|
EG3.increment(steps); |
823 |
|
if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached |
824 |
} |
} |
825 |
} |
} |
826 |
|
|
827 |
/** |
/** |
828 |
* Interpolates the input audio data, this method honors looping. |
* Immediately kill the voice. This method should not be used to kill |
829 |
|
* a normal, active voice, because it doesn't take care of things like |
830 |
|
* fading down the volume level to avoid clicks and regular processing |
831 |
|
* until the kill event actually occured! |
832 |
* |
* |
833 |
* @param Samples - number of sample points to be rendered in this audio |
* @see Kill() |
|
* fragment cycle |
|
|
* @param pSrc - pointer to input sample data |
|
|
* @param Skip - number of sample points to skip in output buffer |
|
834 |
*/ |
*/ |
835 |
void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) { |
void Voice::KillImmediately() { |
836 |
int i = Skip; |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
837 |
|
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
|
// FIXME: assuming either mono or stereo |
|
|
if (pSample->Channels == 2) { // Stereo Sample |
|
|
if (pSample->LoopPlayCount) { |
|
|
// render loop (loop count limited) |
|
|
while (i < Samples && LoopCyclesLeft) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
LoopCyclesLeft--; |
|
|
} |
|
|
} |
|
|
// render on without loop |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
} |
|
|
} |
|
|
else { // render loop (endless loop) |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Stereo(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
else { // Mono Sample |
|
|
if (pSample->LoopPlayCount) { |
|
|
// render loop (loop count limited) |
|
|
while (i < Samples && LoopCyclesLeft) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
LoopCyclesLeft--; |
|
|
} |
|
|
} |
|
|
// render on without loop |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
} |
|
|
} |
|
|
else { // render loop (endless loop) |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pBasicFilterParameters[i], |
|
|
pEngine->pMainFilterParameters[i]); |
|
|
if (Pos > pSample->LoopEnd) { |
|
|
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
|
} |
|
|
} |
|
|
} |
|
838 |
} |
} |
839 |
|
Reset(); |
840 |
} |
} |
841 |
|
|
842 |
/** |
/** |
843 |
* Immediately kill the voice. |
* Kill the voice in regular sense. Let the voice render audio until |
844 |
|
* the kill event actually occured and then fade down the volume level |
845 |
|
* very quickly and let the voice die finally. Unlike a normal release |
846 |
|
* of a voice, a kill process cannot be cancalled and is therefore |
847 |
|
* usually used for voice stealing and key group conflicts. |
848 |
|
* |
849 |
|
* @param itKillEvent - event which caused the voice to be killed |
850 |
*/ |
*/ |
851 |
void Voice::Kill() { |
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
852 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
#if CONFIG_DEVMODE |
853 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
854 |
} |
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
855 |
Reset(); |
#endif // CONFIG_DEVMODE |
856 |
|
|
857 |
|
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
858 |
|
this->itKillEvent = itKillEvent; |
859 |
} |
} |
860 |
|
|
861 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |