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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 - 2007 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 "Profiler.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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// FIXME: no support for layers (nor crossfades) yet |
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const float Voice::FILTER_CUTOFF_COEFF(CalculateFilterCutoffCoeff()); |
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float Voice::CalculateFilterCutoffCoeff() { |
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return log(FILTER_CUTOFF_MIN / FILTER_CUTOFF_MAX); |
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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 (asm core is not supported ATM) |
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pLFO1 = NULL; |
#if 0 // 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, Profiler::isEnabled()); |
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finalSynthesisParameters.filterLeft.Reset(); |
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finalSynthesisParameters.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::SetOutput(AudioOutputDevice* pAudioOutputDevice) { |
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this->pOutputLeft = pAudioOutputDevice->Channel(0)->Buffer(); |
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this->pOutputRight = pAudioOutputDevice->Channel(1)->Buffer(); |
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this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
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this->SampleRate = pAudioOutputDevice->SampleRate(); |
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} |
} |
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void Voice::SetEngine(Engine* pEngine) { |
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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* @returns 0 on success, a value < 0 if something failed |
* @param pDimRgn - points to the dimension region which provides sample wave(s) and articulation data |
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* @param VoiceType - type of this voice |
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* @param iKeyGroup - a value > 0 defines a key group in which this voice is member of |
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* @returns 0 on success, a value < 0 if the voice wasn't triggered |
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* (either due to an error or e.g. because no region is |
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* defined for the given key) |
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*/ |
*/ |
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int Voice::Trigger(Event* pNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument) { |
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); |
Orphan = false; |
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} |
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#if CONFIG_DEVMODE |
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Active = true; |
if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging |
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MIDIKey = pNoteOnEvent->Key; |
dmsg(1,("Voice::Trigger(): ERROR, TriggerDelay > Totalsamples\n")); |
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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 |
#endif // CONFIG_DEVMODE |
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Pos = 0; |
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Delay = pNoteOnEvent->FragmentPos(); |
Type = VoiceType; |
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pTriggerEvent = pNoteOnEvent; |
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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if (!pRegion) { |
Delay = itNoteOnEvent->FragmentPos(); |
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std::cerr << "Audio Thread: No Region defined for MIDI key " << MIDIKey << std::endl << std::flush; |
itTriggerEvent = itNoteOnEvent; |
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Kill(); |
itKillEvent = Pool<Event>::Iterator(); |
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return -1; |
KeyGroup = iKeyGroup; |
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} |
pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
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//TODO: current MIDI controller values are not taken into account yet |
// calculate volume |
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::gig::DimensionRegion* pDimRgn = NULL; |
const double velocityAttenuation = pDimRgn->GetVelocityAttenuation(itNoteOnEvent->Param.Note.Velocity); |
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for (int i = pRegion->Dimensions - 1; i >= 0; i--) { // Check if instrument has a velocity split |
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if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_velocity) { |
// For 16 bit samples, we downscale by 32768 to convert from |
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uint DimValues[5] = {0,0,0,0,0}; |
// int16 value range to DSP value range (which is |
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DimValues[i] = pNoteOnEvent->Velocity; |
// -1.0..1.0). For 24 bit, we downscale from int32. |
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pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]); |
float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f); |
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volume *= pDimRgn->SampleAttenuation * pEngineChannel->GlobalVolume * GLOBAL_VOLUME; |
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// the volume of release triggered samples depends on note length |
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if (Type == type_release_trigger) { |
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float noteLength = float(pEngine->FrameTime + Delay - |
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pEngineChannel->pMIDIKeyInfo[MIDIKey].NoteOnTime) / pEngine->SampleRate; |
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float attenuation = 1 - 0.01053 * (256 >> pDimRgn->ReleaseTriggerDecay) * noteLength; |
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if (attenuation <= 0) return -1; |
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volume *= attenuation; |
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} |
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// select channel mode (mono or stereo) |
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SYNTHESIS_MODE_SET_CHANNELS(SynthesisMode, pSample->Channels == 2); |
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// select bit depth (16 or 24) |
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SYNTHESIS_MODE_SET_BITDEPTH24(SynthesisMode, pSample->BitDepth == 24); |
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// get starting crossfade volume level |
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float crossfadeVolume; |
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switch (pDimRgn->AttenuationController.type) { |
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case ::gig::attenuation_ctrl_t::type_channelaftertouch: |
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crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[128])]; |
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break; |
break; |
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} |
case ::gig::attenuation_ctrl_t::type_velocity: |
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} |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(itNoteOnEvent->Param.Note.Velocity)]; |
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if (!pDimRgn) { // if there was no velocity split |
break; |
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pDimRgn = pRegion->GetDimensionRegionByValue(0,0,0,0,0); |
case ::gig::attenuation_ctrl_t::type_controlchange: //FIXME: currently not sample accurate |
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} |
crossfadeVolume = Engine::CrossfadeCurve[CrossfadeAttenuation(pEngineChannel->ControllerTable[pDimRgn->AttenuationController.controller_number])]; |
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break; |
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case ::gig::attenuation_ctrl_t::type_none: // no crossfade defined |
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default: |
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crossfadeVolume = 1.0f; |
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} |
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VolumeLeft = volume * Engine::PanCurve[64 - pDimRgn->Pan]; |
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VolumeRight = volume * Engine::PanCurve[64 + pDimRgn->Pan]; |
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float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE; |
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CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); |
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VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate); |
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PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate); |
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PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate); |
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pSample = pDimRgn->pSample; // sample won't change until the voice is finished |
finalSynthesisParameters.dPos = pDimRgn->SampleStartOffset; // offset where we should start playback of sample (0 - 2000 sample points) |
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Pos = pDimRgn->SampleStartOffset; |
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// Check if the sample needs disk streaming or is too short for that |
// Check if the sample needs disk streaming or is too short for that |
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long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
long cachedsamples = pSample->GetCache().Size / pSample->FrameSize; |
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DiskVoice = cachedsamples < pSample->SamplesTotal; |
DiskVoice = cachedsamples < pSample->SamplesTotal; |
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const DLS::sample_loop_t& loopinfo = pDimRgn->pSampleLoops[0]; |
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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 - (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) { |
RAMLoop = (pDimRgn->SampleLoops && (loopinfo.LoopStart + loopinfo.LoopLength) <= MaxRAMPos); |
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RAMLoop = true; |
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LoopCyclesLeft = pSample->LoopPlayCount; |
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} |
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else RAMLoop = false; |
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if (pDiskThread->OrderNewStream(&DiskStreamRef, pSample, MaxRAMPos, !RAMLoop) < 0) { |
if (pDiskThread->OrderNewStream(&DiskStreamRef, pDimRgn, 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(); |
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return -1; |
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")); |
dmsg(4,("Disk voice launched (cached samples: %d, total Samples: %d, MaxRAMPos: %d, RAMLooping: %s)\n", cachedsamples, pSample->SamplesTotal, MaxRAMPos, (RAMLoop) ? "yes" : "no")); |
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} |
} |
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else { // RAM only voice |
else { // RAM only voice |
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MaxRAMPos = cachedsamples; |
MaxRAMPos = cachedsamples; |
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if (pSample->Loops) { |
RAMLoop = (pDimRgn->SampleLoops != 0); |
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RAMLoop = true; |
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LoopCyclesLeft = pSample->LoopPlayCount; |
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} |
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else RAMLoop = false; |
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dmsg(4,("RAM only voice launched (Looping: %s)\n", (RAMLoop) ? "yes" : "no")); |
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; |
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loop.uiCyclesLeft = pSample->LoopPlayCount; |
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loop.uiStart = loopinfo.LoopStart; |
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loop.uiEnd = loopinfo.LoopStart + loopinfo.LoopLength; |
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loop.uiSize = loopinfo.LoopLength; |
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} |
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// calculate initial pitch value |
// calculate initial pitch value |
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{ |
{ |
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double pitchbasecents = pDimRgn->FineTune * 10; |
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
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if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
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this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents); |
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 |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
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} |
} |
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// the length of the decay and release curves are dependent on the velocity |
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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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// setup EG 1 (VCA EG) |
// setup EG 1 (VCA EG) |
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{ |
{ |
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eg1controllervalue = 0; |
eg1controllervalue = 0; |
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break; |
break; |
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case ::gig::eg1_ctrl_t::type_channelaftertouch: |
case ::gig::eg1_ctrl_t::type_channelaftertouch: |
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eg1controllervalue = 0; // TODO: aftertouch not yet supported |
eg1controllervalue = pEngineChannel->ControllerTable[128]; |
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break; |
break; |
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case ::gig::eg1_ctrl_t::type_velocity: |
case ::gig::eg1_ctrl_t::type_velocity: |
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eg1controllervalue = pNoteOnEvent->Velocity; |
eg1controllervalue = itNoteOnEvent->Param.Note.Velocity; |
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break; |
break; |
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case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg1_ctrl_t::type_controlchange: // MIDI control change controller |
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eg1controllervalue = pEngine->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
eg1controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG1Controller.controller_number]; |
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break; |
break; |
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} |
} |
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if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
if (pDimRgn->EG1ControllerInvert) eg1controllervalue = 127 - eg1controllervalue; |
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// calculate influence of EG1 controller on EG1's parameters (TODO: needs to be fine tuned) |
// calculate influence of EG1 controller on EG1's parameters |
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double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 0.0; |
// (eg1attack is different from the others) |
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double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 0.0; |
double eg1attack = (pDimRgn->EG1ControllerAttackInfluence) ? |
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double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 0.0001 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 0.0; |
1 + 0.031 * (double) (pDimRgn->EG1ControllerAttackInfluence == 1 ? |
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1 : 1 << pDimRgn->EG1ControllerAttackInfluence) * eg1controllervalue : 1.0; |
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pEG1->Trigger(pDimRgn->EG1PreAttack, |
double eg1decay = (pDimRgn->EG1ControllerDecayInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerDecayInfluence) * eg1controllervalue : 1.0; |
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pDimRgn->EG1Attack + eg1attack, |
double eg1release = (pDimRgn->EG1ControllerReleaseInfluence) ? 1 + 0.00775 * (double) (1 << pDimRgn->EG1ControllerReleaseInfluence) * eg1controllervalue : 1.0; |
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pDimRgn->EG1Hold, |
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pSample->LoopStart, |
EG1.trigger(pDimRgn->EG1PreAttack, |
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pDimRgn->EG1Decay1 + eg1decay, |
pDimRgn->EG1Attack * eg1attack, |
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pDimRgn->EG1Decay2 + eg1decay, |
pDimRgn->EG1Hold, |
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pDimRgn->EG1InfiniteSustain, |
pDimRgn->EG1Decay1 * eg1decay * velrelease, |
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pDimRgn->EG1Sustain, |
pDimRgn->EG1Decay2 * eg1decay * velrelease, |
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pDimRgn->EG1Release + eg1release, |
pDimRgn->EG1InfiniteSustain, |
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Delay); |
pDimRgn->EG1Sustain, |
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pDimRgn->EG1Release * eg1release * velrelease, |
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velocityAttenuation, |
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pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
233 |
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} |
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#ifdef CONFIG_INTERPOLATE_VOLUME |
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// setup initial volume in synthesis parameters |
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#ifdef CONFIG_PROCESS_MUTED_CHANNELS |
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if (pEngineChannel->GetMute()) { |
239 |
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finalSynthesisParameters.fFinalVolumeLeft = 0; |
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finalSynthesisParameters.fFinalVolumeRight = 0; |
241 |
} |
} |
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else |
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#else |
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{ |
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float finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * EG1.getLevel(); |
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247 |
|
finalSynthesisParameters.fFinalVolumeLeft = finalVolume * VolumeLeft * pEngineChannel->GlobalPanLeft; |
248 |
|
finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight; |
249 |
|
} |
250 |
|
#endif |
251 |
|
#endif |
252 |
|
|
|
#if ENABLE_FILTER |
|
253 |
// setup EG 2 (VCF Cutoff EG) |
// setup EG 2 (VCF Cutoff EG) |
254 |
{ |
{ |
255 |
// get current value of EG2 controller |
// get current value of EG2 controller |
259 |
eg2controllervalue = 0; |
eg2controllervalue = 0; |
260 |
break; |
break; |
261 |
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
case ::gig::eg2_ctrl_t::type_channelaftertouch: |
262 |
eg2controllervalue = 0; // TODO: aftertouch not yet supported |
eg2controllervalue = pEngineChannel->ControllerTable[128]; |
263 |
break; |
break; |
264 |
case ::gig::eg2_ctrl_t::type_velocity: |
case ::gig::eg2_ctrl_t::type_velocity: |
265 |
eg2controllervalue = pNoteOnEvent->Velocity; |
eg2controllervalue = itNoteOnEvent->Param.Note.Velocity; |
266 |
break; |
break; |
267 |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
case ::gig::eg2_ctrl_t::type_controlchange: // MIDI control change controller |
268 |
eg2controllervalue = pEngine->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
eg2controllervalue = pEngineChannel->ControllerTable[pDimRgn->EG2Controller.controller_number]; |
269 |
break; |
break; |
270 |
} |
} |
271 |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
if (pDimRgn->EG2ControllerInvert) eg2controllervalue = 127 - eg2controllervalue; |
272 |
|
|
273 |
// calculate influence of EG2 controller on EG2's parameters (TODO: needs to be fine tuned) |
// calculate influence of EG2 controller on EG2's parameters |
274 |
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; |
275 |
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; |
276 |
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; |
277 |
|
|
278 |
pEG2->Trigger(pDimRgn->EG2PreAttack, |
EG2.trigger(pDimRgn->EG2PreAttack, |
279 |
pDimRgn->EG2Attack + eg2attack, |
pDimRgn->EG2Attack * eg2attack, |
280 |
false, |
false, |
281 |
pSample->LoopStart, |
pDimRgn->EG2Decay1 * eg2decay * velrelease, |
282 |
pDimRgn->EG2Decay1 + eg2decay, |
pDimRgn->EG2Decay2 * eg2decay * velrelease, |
283 |
pDimRgn->EG2Decay2 + eg2decay, |
pDimRgn->EG2InfiniteSustain, |
284 |
pDimRgn->EG2InfiniteSustain, |
pDimRgn->EG2Sustain, |
285 |
pDimRgn->EG2Sustain, |
pDimRgn->EG2Release * eg2release * velrelease, |
286 |
pDimRgn->EG2Release + eg2release, |
velocityAttenuation, |
287 |
Delay); |
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
288 |
} |
} |
|
#endif // ENABLE_FILTER |
|
289 |
|
|
290 |
|
|
291 |
// setup EG 3 (VCO EG) |
// setup EG 3 (VCO EG) |
292 |
{ |
{ |
293 |
double eg3depth = RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
// if portamento mode is on, we dedicate EG3 purely for portamento, otherwise if portamento is off we do as told by the patch |
294 |
pEG3->Trigger(eg3depth, pDimRgn->EG3Attack, Delay); |
bool bPortamento = pEngineChannel->PortamentoMode && pEngineChannel->PortamentoPos >= 0.0f; |
295 |
|
float eg3depth = (bPortamento) |
296 |
|
? RTMath::CentsToFreqRatio((pEngineChannel->PortamentoPos - (float) MIDIKey) * 100) |
297 |
|
: RTMath::CentsToFreqRatio(pDimRgn->EG3Depth); |
298 |
|
float eg3time = (bPortamento) |
299 |
|
? pEngineChannel->PortamentoTime |
300 |
|
: pDimRgn->EG3Attack; |
301 |
|
EG3.trigger(eg3depth, eg3time, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
302 |
|
dmsg(5,("PortamentoPos=%f, depth=%f, time=%f\n", pEngineChannel->PortamentoPos, eg3depth, eg3time)); |
303 |
} |
} |
304 |
|
|
305 |
|
|
310 |
case ::gig::lfo1_ctrl_internal: |
case ::gig::lfo1_ctrl_internal: |
311 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
312 |
pLFO1->ExtController = 0; // no external controller |
pLFO1->ExtController = 0; // no external controller |
313 |
|
bLFO1Enabled = (lfo1_internal_depth > 0); |
314 |
break; |
break; |
315 |
case ::gig::lfo1_ctrl_modwheel: |
case ::gig::lfo1_ctrl_modwheel: |
316 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
317 |
pLFO1->ExtController = 1; // MIDI controller 1 |
pLFO1->ExtController = 1; // MIDI controller 1 |
318 |
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
319 |
break; |
break; |
320 |
case ::gig::lfo1_ctrl_breath: |
case ::gig::lfo1_ctrl_breath: |
321 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
322 |
pLFO1->ExtController = 2; // MIDI controller 2 |
pLFO1->ExtController = 2; // MIDI controller 2 |
323 |
|
bLFO1Enabled = (pDimRgn->LFO1ControlDepth > 0); |
324 |
break; |
break; |
325 |
case ::gig::lfo1_ctrl_internal_modwheel: |
case ::gig::lfo1_ctrl_internal_modwheel: |
326 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
327 |
pLFO1->ExtController = 1; // MIDI controller 1 |
pLFO1->ExtController = 1; // MIDI controller 1 |
328 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
329 |
break; |
break; |
330 |
case ::gig::lfo1_ctrl_internal_breath: |
case ::gig::lfo1_ctrl_internal_breath: |
331 |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
lfo1_internal_depth = pDimRgn->LFO1InternalDepth; |
332 |
pLFO1->ExtController = 2; // MIDI controller 2 |
pLFO1->ExtController = 2; // MIDI controller 2 |
333 |
|
bLFO1Enabled = (lfo1_internal_depth > 0 || pDimRgn->LFO1ControlDepth > 0); |
334 |
break; |
break; |
335 |
default: |
default: |
336 |
lfo1_internal_depth = 0; |
lfo1_internal_depth = 0; |
337 |
pLFO1->ExtController = 0; // no external controller |
pLFO1->ExtController = 0; // no external controller |
338 |
|
bLFO1Enabled = false; |
339 |
|
} |
340 |
|
if (bLFO1Enabled) { |
341 |
|
pLFO1->trigger(pDimRgn->LFO1Frequency, |
342 |
|
start_level_min, |
343 |
|
lfo1_internal_depth, |
344 |
|
pDimRgn->LFO1ControlDepth, |
345 |
|
pDimRgn->LFO1FlipPhase, |
346 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
347 |
|
pLFO1->update(pLFO1->ExtController ? pEngineChannel->ControllerTable[pLFO1->ExtController] : 0); |
348 |
} |
} |
|
pLFO1->Trigger(pDimRgn->LFO1Frequency, |
|
|
lfo1_internal_depth, |
|
|
pDimRgn->LFO1ControlDepth, |
|
|
pEngine->ControllerTable[pLFO1->ExtController], |
|
|
pDimRgn->LFO1FlipPhase, |
|
|
this->SampleRate, |
|
|
Delay); |
|
349 |
} |
} |
350 |
|
|
351 |
#if ENABLE_FILTER |
|
352 |
// setup LFO 2 (VCF Cutoff LFO) |
// setup LFO 2 (VCF Cutoff LFO) |
353 |
{ |
{ |
354 |
uint16_t lfo2_internal_depth; |
uint16_t lfo2_internal_depth; |
356 |
case ::gig::lfo2_ctrl_internal: |
case ::gig::lfo2_ctrl_internal: |
357 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
358 |
pLFO2->ExtController = 0; // no external controller |
pLFO2->ExtController = 0; // no external controller |
359 |
|
bLFO2Enabled = (lfo2_internal_depth > 0); |
360 |
break; |
break; |
361 |
case ::gig::lfo2_ctrl_modwheel: |
case ::gig::lfo2_ctrl_modwheel: |
362 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
363 |
pLFO2->ExtController = 1; // MIDI controller 1 |
pLFO2->ExtController = 1; // MIDI controller 1 |
364 |
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
365 |
break; |
break; |
366 |
case ::gig::lfo2_ctrl_foot: |
case ::gig::lfo2_ctrl_foot: |
367 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
368 |
pLFO2->ExtController = 4; // MIDI controller 4 |
pLFO2->ExtController = 4; // MIDI controller 4 |
369 |
|
bLFO2Enabled = (pDimRgn->LFO2ControlDepth > 0); |
370 |
break; |
break; |
371 |
case ::gig::lfo2_ctrl_internal_modwheel: |
case ::gig::lfo2_ctrl_internal_modwheel: |
372 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
373 |
pLFO2->ExtController = 1; // MIDI controller 1 |
pLFO2->ExtController = 1; // MIDI controller 1 |
374 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
375 |
break; |
break; |
376 |
case ::gig::lfo2_ctrl_internal_foot: |
case ::gig::lfo2_ctrl_internal_foot: |
377 |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
lfo2_internal_depth = pDimRgn->LFO2InternalDepth; |
378 |
pLFO2->ExtController = 4; // MIDI controller 4 |
pLFO2->ExtController = 4; // MIDI controller 4 |
379 |
|
bLFO2Enabled = (lfo2_internal_depth > 0 || pDimRgn->LFO2ControlDepth > 0); |
380 |
break; |
break; |
381 |
default: |
default: |
382 |
lfo2_internal_depth = 0; |
lfo2_internal_depth = 0; |
383 |
pLFO2->ExtController = 0; // no external controller |
pLFO2->ExtController = 0; // no external controller |
384 |
|
bLFO2Enabled = false; |
385 |
|
} |
386 |
|
if (bLFO2Enabled) { |
387 |
|
pLFO2->trigger(pDimRgn->LFO2Frequency, |
388 |
|
start_level_max, |
389 |
|
lfo2_internal_depth, |
390 |
|
pDimRgn->LFO2ControlDepth, |
391 |
|
pDimRgn->LFO2FlipPhase, |
392 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
393 |
|
pLFO2->update(pLFO2->ExtController ? pEngineChannel->ControllerTable[pLFO2->ExtController] : 0); |
394 |
} |
} |
|
pLFO2->Trigger(pDimRgn->LFO2Frequency, |
|
|
lfo2_internal_depth, |
|
|
pDimRgn->LFO2ControlDepth, |
|
|
pEngine->ControllerTable[pLFO2->ExtController], |
|
|
pDimRgn->LFO2FlipPhase, |
|
|
Delay); |
|
395 |
} |
} |
396 |
#endif // ENABLE_FILTER |
|
397 |
|
|
398 |
// setup LFO 3 (VCO LFO) |
// setup LFO 3 (VCO LFO) |
399 |
{ |
{ |
402 |
case ::gig::lfo3_ctrl_internal: |
case ::gig::lfo3_ctrl_internal: |
403 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
404 |
pLFO3->ExtController = 0; // no external controller |
pLFO3->ExtController = 0; // no external controller |
405 |
|
bLFO3Enabled = (lfo3_internal_depth > 0); |
406 |
break; |
break; |
407 |
case ::gig::lfo3_ctrl_modwheel: |
case ::gig::lfo3_ctrl_modwheel: |
408 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
409 |
pLFO3->ExtController = 1; // MIDI controller 1 |
pLFO3->ExtController = 1; // MIDI controller 1 |
410 |
|
bLFO3Enabled = (pDimRgn->LFO3ControlDepth > 0); |
411 |
break; |
break; |
412 |
case ::gig::lfo3_ctrl_aftertouch: |
case ::gig::lfo3_ctrl_aftertouch: |
413 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
414 |
pLFO3->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO3->ExtController = 128; |
415 |
|
bLFO3Enabled = true; |
416 |
break; |
break; |
417 |
case ::gig::lfo3_ctrl_internal_modwheel: |
case ::gig::lfo3_ctrl_internal_modwheel: |
418 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
419 |
pLFO3->ExtController = 1; // MIDI controller 1 |
pLFO3->ExtController = 1; // MIDI controller 1 |
420 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0); |
421 |
break; |
break; |
422 |
case ::gig::lfo3_ctrl_internal_aftertouch: |
case ::gig::lfo3_ctrl_internal_aftertouch: |
423 |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
lfo3_internal_depth = pDimRgn->LFO3InternalDepth; |
424 |
pLFO1->ExtController = 0; // TODO: aftertouch not implemented yet |
pLFO1->ExtController = 128; |
425 |
|
bLFO3Enabled = (lfo3_internal_depth > 0 || pDimRgn->LFO3ControlDepth > 0); |
426 |
break; |
break; |
427 |
default: |
default: |
428 |
lfo3_internal_depth = 0; |
lfo3_internal_depth = 0; |
429 |
pLFO3->ExtController = 0; // no external controller |
pLFO3->ExtController = 0; // no external controller |
430 |
|
bLFO3Enabled = false; |
431 |
|
} |
432 |
|
if (bLFO3Enabled) { |
433 |
|
pLFO3->trigger(pDimRgn->LFO3Frequency, |
434 |
|
start_level_mid, |
435 |
|
lfo3_internal_depth, |
436 |
|
pDimRgn->LFO3ControlDepth, |
437 |
|
false, |
438 |
|
pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
439 |
|
pLFO3->update(pLFO3->ExtController ? pEngineChannel->ControllerTable[pLFO3->ExtController] : 0); |
440 |
} |
} |
|
pLFO3->Trigger(pDimRgn->LFO3Frequency, |
|
|
lfo3_internal_depth, |
|
|
pDimRgn->LFO3ControlDepth, |
|
|
pEngine->ControllerTable[pLFO3->ExtController], |
|
|
false, |
|
|
this->SampleRate, |
|
|
Delay); |
|
441 |
} |
} |
442 |
|
|
443 |
#if ENABLE_FILTER |
|
444 |
#if FORCE_FILTER_USAGE |
#if CONFIG_FORCE_FILTER |
445 |
FilterLeft.Enabled = FilterRight.Enabled = true; |
const bool bUseFilter = true; |
446 |
#else // use filter only if instrument file told so |
#else // use filter only if instrument file told so |
447 |
FilterLeft.Enabled = FilterRight.Enabled = pDimRgn->VCFEnabled; |
const bool bUseFilter = pDimRgn->VCFEnabled; |
448 |
#endif // FORCE_FILTER_USAGE |
#endif // CONFIG_FORCE_FILTER |
449 |
if (pDimRgn->VCFEnabled) { |
SYNTHESIS_MODE_SET_FILTER(SynthesisMode, bUseFilter); |
450 |
#ifdef OVERRIDE_FILTER_CUTOFF_CTRL |
if (bUseFilter) { |
451 |
VCFCutoffCtrl.controller = OVERRIDE_FILTER_CUTOFF_CTRL; |
#ifdef CONFIG_OVERRIDE_CUTOFF_CTRL |
452 |
|
VCFCutoffCtrl.controller = CONFIG_OVERRIDE_CUTOFF_CTRL; |
453 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
454 |
switch (pDimRgn->VCFCutoffController) { |
switch (pDimRgn->VCFCutoffController) { |
455 |
case ::gig::vcf_cutoff_ctrl_modwheel: |
case ::gig::vcf_cutoff_ctrl_modwheel: |
479 |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
case ::gig::vcf_cutoff_ctrl_genpurpose8: |
480 |
VCFCutoffCtrl.controller = 83; |
VCFCutoffCtrl.controller = 83; |
481 |
break; |
break; |
482 |
case ::gig::vcf_cutoff_ctrl_aftertouch: //TODO: not implemented yet |
case ::gig::vcf_cutoff_ctrl_aftertouch: |
483 |
|
VCFCutoffCtrl.controller = 128; |
484 |
|
break; |
485 |
case ::gig::vcf_cutoff_ctrl_none: |
case ::gig::vcf_cutoff_ctrl_none: |
486 |
default: |
default: |
487 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
488 |
break; |
break; |
489 |
} |
} |
490 |
#endif // OVERRIDE_FILTER_CUTOFF_CTRL |
#endif // CONFIG_OVERRIDE_CUTOFF_CTRL |
491 |
|
|
492 |
#ifdef OVERRIDE_FILTER_RES_CTRL |
#ifdef CONFIG_OVERRIDE_RESONANCE_CTRL |
493 |
VCFResonanceCtrl.controller = OVERRIDE_FILTER_RES_CTRL; |
VCFResonanceCtrl.controller = CONFIG_OVERRIDE_RESONANCE_CTRL; |
494 |
#else // use the one defined in the instrument file |
#else // use the one defined in the instrument file |
495 |
switch (pDimRgn->VCFResonanceController) { |
switch (pDimRgn->VCFResonanceController) { |
496 |
case ::gig::vcf_res_ctrl_genpurpose3: |
case ::gig::vcf_res_ctrl_genpurpose3: |
509 |
default: |
default: |
510 |
VCFResonanceCtrl.controller = 0; |
VCFResonanceCtrl.controller = 0; |
511 |
} |
} |
512 |
#endif // OVERRIDE_FILTER_RES_CTRL |
#endif // CONFIG_OVERRIDE_RESONANCE_CTRL |
513 |
|
|
514 |
#ifndef OVERRIDE_FILTER_TYPE |
#ifndef CONFIG_OVERRIDE_FILTER_TYPE |
515 |
FilterLeft.SetType(pDimRgn->VCFType); |
finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType); |
516 |
FilterRight.SetType(pDimRgn->VCFType); |
finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType); |
517 |
#else // override filter type |
#else // override filter type |
518 |
FilterLeft.SetType(OVERRIDE_FILTER_TYPE); |
finalSynthesisParameters.filterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
519 |
FilterRight.SetType(OVERRIDE_FILTER_TYPE); |
finalSynthesisParameters.filterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
520 |
#endif // OVERRIDE_FILTER_TYPE |
#endif // CONFIG_OVERRIDE_FILTER_TYPE |
521 |
|
|
522 |
VCFCutoffCtrl.value = pEngine->ControllerTable[VCFCutoffCtrl.controller]; |
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
523 |
VCFResonanceCtrl.value = pEngine->ControllerTable[VCFResonanceCtrl.controller]; |
VCFResonanceCtrl.value = pEngineChannel->ControllerTable[VCFResonanceCtrl.controller]; |
524 |
|
|
525 |
// calculate cutoff frequency |
// calculate cutoff frequency |
526 |
float cutoff = (!VCFCutoffCtrl.controller) |
float cutoff = pDimRgn->GetVelocityCutoff(itNoteOnEvent->Param.Note.Velocity); |
|
? exp((float) (127 - pNoteOnEvent->Velocity) * (float) pDimRgn->VCFVelocityScale * 6.2E-5f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX |
|
|
: exp((float) VCFCutoffCtrl.value * 0.00787402f * FILTER_CUTOFF_COEFF) * FILTER_CUTOFF_MAX; |
|
|
|
|
|
// calculate resonance |
|
|
float resonance = (float) VCFResonanceCtrl.value * 0.00787f; // 0.0..1.0 |
|
527 |
if (pDimRgn->VCFKeyboardTracking) { |
if (pDimRgn->VCFKeyboardTracking) { |
528 |
resonance += (float) (pNoteOnEvent->Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.00787f; |
cutoff *= exp((itNoteOnEvent->Param.Note.Key - pDimRgn->VCFKeyboardTrackingBreakpoint) * 0.057762265f); // (ln(2) / 12) |
529 |
} |
} |
530 |
Constrain(resonance, 0.0, 1.0); // correct resonance if outside allowed value range (0.0..1.0) |
CutoffBase = cutoff; |
531 |
|
|
532 |
VCFCutoffCtrl.fvalue = cutoff - FILTER_CUTOFF_MIN; |
int cvalue; |
533 |
VCFResonanceCtrl.fvalue = resonance; |
if (VCFCutoffCtrl.controller) { |
534 |
|
cvalue = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
535 |
|
if (pDimRgn->VCFCutoffControllerInvert) cvalue = 127 - cvalue; |
536 |
|
// VCFVelocityScale in this case means Minimum cutoff |
537 |
|
if (cvalue < pDimRgn->VCFVelocityScale) cvalue = pDimRgn->VCFVelocityScale; |
538 |
|
} |
539 |
|
else { |
540 |
|
cvalue = pDimRgn->VCFCutoff; |
541 |
|
} |
542 |
|
cutoff *= float(cvalue); |
543 |
|
if (cutoff > 127.0f) cutoff = 127.0f; |
544 |
|
|
545 |
FilterLeft.SetParameters(cutoff, resonance, SampleRate); |
// calculate resonance |
546 |
FilterRight.SetParameters(cutoff, resonance, SampleRate); |
float resonance = (float) (VCFResonanceCtrl.controller ? VCFResonanceCtrl.value : pDimRgn->VCFResonance); |
547 |
|
|
548 |
FilterUpdateCounter = -1; |
VCFCutoffCtrl.fvalue = cutoff; |
549 |
|
VCFResonanceCtrl.fvalue = resonance; |
550 |
} |
} |
551 |
else { |
else { |
552 |
VCFCutoffCtrl.controller = 0; |
VCFCutoffCtrl.controller = 0; |
553 |
VCFResonanceCtrl.controller = 0; |
VCFResonanceCtrl.controller = 0; |
554 |
} |
} |
|
#endif // ENABLE_FILTER |
|
|
|
|
|
// ************************************************ |
|
|
// TODO: ARTICULATION DATA HANDLING IS MISSING HERE |
|
|
// ************************************************ |
|
555 |
|
|
556 |
return 0; // success |
return 0; // success |
557 |
} |
} |
569 |
*/ |
*/ |
570 |
void Voice::Render(uint Samples) { |
void Voice::Render(uint Samples) { |
571 |
|
|
572 |
// Reset the synthesis parameter matrix |
// select default values for synthesis mode bits |
573 |
pEngine->ResetSynthesisParameters(Event::destination_vca, this->Volume); |
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); |
|
|
|
|
574 |
|
|
575 |
switch (this->PlaybackState) { |
switch (this->PlaybackState) { |
576 |
|
|
577 |
|
case playback_state_init: |
578 |
|
this->PlaybackState = playback_state_ram; // we always start playback from RAM cache and switch then to disk if needed |
579 |
|
// no break - continue with playback_state_ram |
580 |
|
|
581 |
case playback_state_ram: { |
case playback_state_ram: { |
582 |
if (RAMLoop) InterpolateAndLoop(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
if (RAMLoop) SYNTHESIS_MODE_SET_LOOP(SynthesisMode, true); // enable looping |
583 |
else Interpolate(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
|
584 |
|
// render current fragment |
585 |
|
Synthesize(Samples, (sample_t*) pSample->GetCache().pStart, Delay); |
586 |
|
|
587 |
if (DiskVoice) { |
if (DiskVoice) { |
588 |
// check if we reached the allowed limit of the sample RAM cache |
// check if we reached the allowed limit of the sample RAM cache |
589 |
if (Pos > MaxRAMPos) { |
if (finalSynthesisParameters.dPos > MaxRAMPos) { |
590 |
dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", Pos)); |
dmsg(5,("Voice: switching to disk playback (Pos=%f)\n", finalSynthesisParameters.dPos)); |
591 |
this->PlaybackState = playback_state_disk; |
this->PlaybackState = playback_state_disk; |
592 |
} |
} |
593 |
} |
} else if (finalSynthesisParameters.dPos >= pSample->GetCache().Size / pSample->FrameSize) { |
|
else if (Pos >= pSample->GetCache().Size / pSample->FrameSize) { |
|
594 |
this->PlaybackState = playback_state_end; |
this->PlaybackState = playback_state_end; |
595 |
} |
} |
596 |
} |
} |
602 |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
DiskStreamRef.pStream = pDiskThread->AskForCreatedStream(DiskStreamRef.OrderID); |
603 |
if (!DiskStreamRef.pStream) { |
if (!DiskStreamRef.pStream) { |
604 |
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; |
605 |
Kill(); |
KillImmediately(); |
606 |
return; |
return; |
607 |
} |
} |
608 |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (RTMath::DoubleToInt(Pos) - MaxRAMPos)); |
DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(finalSynthesisParameters.dPos) - MaxRAMPos)); |
609 |
Pos -= RTMath::DoubleToInt(Pos); |
finalSynthesisParameters.dPos -= int(finalSynthesisParameters.dPos); |
610 |
|
RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet |
611 |
} |
} |
612 |
|
|
613 |
|
const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace(); |
614 |
|
|
615 |
// 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) |
616 |
if (DiskStreamRef.State == Stream::state_end && DiskStreamRef.pStream->GetReadSpace() < (MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels) { |
if (DiskStreamRef.State == Stream::state_end) { |
617 |
DiskStreamRef.pStream->WriteSilence((MaxSamplesPerCycle << MAX_PITCH) / pSample->Channels); |
const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << CONFIG_MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm |
618 |
this->PlaybackState = playback_state_end; |
if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) { |
619 |
|
// remember how many sample words there are before any silence has been added |
620 |
|
if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead; |
621 |
|
DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead); |
622 |
|
} |
623 |
} |
} |
624 |
|
|
625 |
sample_t* ptr = DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
sample_t* ptr = (sample_t*)DiskStreamRef.pStream->GetReadPtr(); // get the current read_ptr within the ringbuffer where we read the samples from |
626 |
Interpolate(Samples, ptr, Delay); |
|
627 |
DiskStreamRef.pStream->IncrementReadPos(RTMath::DoubleToInt(Pos) * pSample->Channels); |
// render current audio fragment |
628 |
Pos -= RTMath::DoubleToInt(Pos); |
Synthesize(Samples, ptr, Delay); |
629 |
|
|
630 |
|
const int iPos = (int) finalSynthesisParameters.dPos; |
631 |
|
const int readSampleWords = iPos * pSample->Channels; // amount of sample words actually been read |
632 |
|
DiskStreamRef.pStream->IncrementReadPos(readSampleWords); |
633 |
|
finalSynthesisParameters.dPos -= iPos; // just keep fractional part of playback position |
634 |
|
|
635 |
|
// change state of voice to 'end' if we really reached the end of the sample data |
636 |
|
if (RealSampleWordsLeftToRead >= 0) { |
637 |
|
RealSampleWordsLeftToRead -= readSampleWords; |
638 |
|
if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end; |
639 |
|
} |
640 |
} |
} |
641 |
break; |
break; |
642 |
|
|
643 |
case playback_state_end: |
case playback_state_end: |
644 |
Kill(); // free voice |
std::cerr << "gig::Voice::Render(): entered with playback_state_end, this is a bug!\n" << std::flush; |
645 |
break; |
break; |
646 |
} |
} |
647 |
|
|
|
|
|
|
#if ENABLE_FILTER |
|
|
// Reset synthesis event lists (except VCO, as VCO events apply channel wide currently) |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfc]->clear(); |
|
|
pEngine->pSynthesisEvents[Event::destination_vcfr]->clear(); |
|
|
#endif // ENABLE_FILTER |
|
|
|
|
648 |
// Reset delay |
// Reset delay |
649 |
Delay = 0; |
Delay = 0; |
650 |
|
|
651 |
pTriggerEvent = NULL; |
itTriggerEvent = Pool<Event>::Iterator(); |
652 |
|
|
653 |
// If release stage finished, let the voice be killed |
// If sample stream or release stage finished, kill the voice |
654 |
if (pEG1->GetStage() == EGADSR::stage_end) this->PlaybackState = playback_state_end; |
if (PlaybackState == playback_state_end || EG1.getSegmentType() == EGADSR::segment_end) KillImmediately(); |
655 |
} |
} |
656 |
|
|
657 |
/** |
/** |
659 |
* suspended / not running. |
* suspended / not running. |
660 |
*/ |
*/ |
661 |
void Voice::Reset() { |
void Voice::Reset() { |
662 |
pLFO1->Reset(); |
finalSynthesisParameters.filterLeft.Reset(); |
663 |
pLFO2->Reset(); |
finalSynthesisParameters.filterRight.Reset(); |
|
pLFO3->Reset(); |
|
664 |
DiskStreamRef.pStream = NULL; |
DiskStreamRef.pStream = NULL; |
665 |
DiskStreamRef.hStream = 0; |
DiskStreamRef.hStream = 0; |
666 |
DiskStreamRef.State = Stream::state_unused; |
DiskStreamRef.State = Stream::state_unused; |
667 |
DiskStreamRef.OrderID = 0; |
DiskStreamRef.OrderID = 0; |
668 |
Active = false; |
PlaybackState = playback_state_end; |
669 |
|
itTriggerEvent = Pool<Event>::Iterator(); |
670 |
|
itKillEvent = Pool<Event>::Iterator(); |
671 |
} |
} |
672 |
|
|
673 |
/** |
/** |
674 |
* 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 |
675 |
* audio fragment. Event values will be applied to the synthesis parameter |
* for the given time. |
|
* matrix. |
|
676 |
* |
* |
677 |
* @param Samples - number of samples to be rendered in this audio fragment cycle |
* @param itEvent - iterator pointing to the next event to be processed |
678 |
|
* @param End - youngest time stamp where processing should be stopped |
679 |
*/ |
*/ |
680 |
void Voice::ProcessEvents(uint Samples) { |
void Voice::processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End) { |
681 |
|
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
682 |
|
if (itEvent->Type == Event::type_release) { |
683 |
|
EG1.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
684 |
|
EG2.update(EGADSR::event_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
685 |
|
} else if (itEvent->Type == Event::type_cancel_release) { |
686 |
|
EG1.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
687 |
|
EG2.update(EGADSR::event_cancel_release, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
688 |
|
} |
689 |
|
} |
690 |
|
} |
691 |
|
|
692 |
// dispatch control change events |
/** |
693 |
Event* pCCEvent = pEngine->pCCEvents->first(); |
* Process given list of MIDI control change and pitch bend events for |
694 |
if (Delay) { // skip events that happened before this voice was triggered |
* the given time. |
695 |
while (pCCEvent && pCCEvent->FragmentPos() <= Delay) pCCEvent = pEngine->pCCEvents->next(); |
* |
696 |
} |
* @param itEvent - iterator pointing to the next event to be processed |
697 |
while (pCCEvent) { |
* @param End - youngest time stamp where processing should be stopped |
698 |
if (pCCEvent->Controller) { // if valid MIDI controller |
*/ |
699 |
#if ENABLE_FILTER |
void Voice::processCCEvents(RTList<Event>::Iterator& itEvent, uint End) { |
700 |
if (pCCEvent->Controller == VCFCutoffCtrl.controller) { |
for (; itEvent && itEvent->FragmentPos() <= End; ++itEvent) { |
701 |
pEngine->pSynthesisEvents[Event::destination_vcfc]->alloc_assign(*pCCEvent); |
if (itEvent->Type == Event::type_control_change && |
702 |
|
itEvent->Param.CC.Controller) { // if (valid) MIDI control change event |
703 |
|
if (itEvent->Param.CC.Controller == VCFCutoffCtrl.controller) { |
704 |
|
processCutoffEvent(itEvent); |
705 |
} |
} |
706 |
if (pCCEvent->Controller == VCFResonanceCtrl.controller) { |
if (itEvent->Param.CC.Controller == VCFResonanceCtrl.controller) { |
707 |
pEngine->pSynthesisEvents[Event::destination_vcfr]->alloc_assign(*pCCEvent); |
processResonanceEvent(itEvent); |
708 |
} |
} |
709 |
#endif // ENABLE_FILTER |
if (itEvent->Param.CC.Controller == pLFO1->ExtController) { |
710 |
if (pCCEvent->Controller == pLFO1->ExtController) { |
pLFO1->update(itEvent->Param.CC.Value); |
|
pLFO1->SendEvent(pCCEvent); |
|
711 |
} |
} |
712 |
#if ENABLE_FILTER |
if (itEvent->Param.CC.Controller == pLFO2->ExtController) { |
713 |
if (pCCEvent->Controller == pLFO2->ExtController) { |
pLFO2->update(itEvent->Param.CC.Value); |
|
pLFO2->SendEvent(pCCEvent); |
|
714 |
} |
} |
715 |
#endif // ENABLE_FILTER |
if (itEvent->Param.CC.Controller == pLFO3->ExtController) { |
716 |
if (pCCEvent->Controller == pLFO3->ExtController) { |
pLFO3->update(itEvent->Param.CC.Value); |
|
pLFO3->SendEvent(pCCEvent); |
|
717 |
} |
} |
718 |
} |
if (pDimRgn->AttenuationController.type == ::gig::attenuation_ctrl_t::type_controlchange && |
719 |
|
itEvent->Param.CC.Controller == pDimRgn->AttenuationController.controller_number) { |
720 |
pCCEvent = pEngine->pCCEvents->next(); |
CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
|
} |
|
|
|
|
|
|
|
|
// process pitch events |
|
|
{ |
|
|
RTEList<Event>* pVCOEventList = pEngine->pSynthesisEvents[Event::destination_vco]; |
|
|
Event* pVCOEvent = pVCOEventList->first(); |
|
|
if (Delay) { // skip events that happened before this voice was triggered |
|
|
while (pVCOEvent && pVCOEvent->FragmentPos() <= Delay) pVCOEvent = pVCOEventList->next(); |
|
|
} |
|
|
// apply old pitchbend value until first pitch event occurs |
|
|
if (this->PitchBend != 1.0) { |
|
|
uint end = (pVCOEvent) ? pVCOEvent->FragmentPos() : Samples; |
|
|
for (uint i = Delay; i < end; i++) { |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i] *= this->PitchBend; |
|
721 |
} |
} |
722 |
} |
if (itEvent->Param.CC.Controller == 7) { // volume |
723 |
float pitch; |
VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value]); |
724 |
while (pVCOEvent) { |
} else if (itEvent->Param.CC.Controller == 10) { // panpot |
725 |
Event* pNextVCOEvent = pVCOEventList->next(); |
PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]); |
726 |
|
PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]); |
|
// 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; |
|
727 |
} |
} |
728 |
|
} else if (itEvent->Type == Event::type_pitchbend) { // if pitch bend event |
729 |
pVCOEvent = pNextVCOEvent; |
processPitchEvent(itEvent); |
730 |
} |
} |
|
if (pVCOEventList->last()) this->PitchBend = pitch; |
|
731 |
} |
} |
732 |
|
} |
733 |
|
|
734 |
|
void Voice::processPitchEvent(RTList<Event>::Iterator& itEvent) { |
735 |
|
const float pitch = RTMath::CentsToFreqRatio(((double) itEvent->Param.Pitch.Pitch / 8192.0) * 200.0); // +-two semitones = +-200 cents |
736 |
|
finalSynthesisParameters.fFinalPitch *= pitch; |
737 |
|
PitchBend = pitch; |
738 |
|
} |
739 |
|
|
740 |
#if ENABLE_FILTER |
void Voice::processCutoffEvent(RTList<Event>::Iterator& itEvent) { |
741 |
// process filter cutoff events |
int ccvalue = itEvent->Param.CC.Value; |
742 |
{ |
if (VCFCutoffCtrl.value == ccvalue) return; |
743 |
RTEList<Event>* pCutoffEventList = pEngine->pSynthesisEvents[Event::destination_vcfc]; |
VCFCutoffCtrl.value == ccvalue; |
744 |
Event* pCutoffEvent = pCutoffEventList->first(); |
if (pDimRgn->VCFCutoffControllerInvert) ccvalue = 127 - ccvalue; |
745 |
if (Delay) { // skip events that happened before this voice was triggered |
if (ccvalue < pDimRgn->VCFVelocityScale) ccvalue = pDimRgn->VCFVelocityScale; |
746 |
while (pCutoffEvent && pCutoffEvent->FragmentPos() <= Delay) pCutoffEvent = pCutoffEventList->next(); |
float cutoff = CutoffBase * float(ccvalue); |
747 |
} |
if (cutoff > 127.0f) cutoff = 127.0f; |
|
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; |
|
|
} |
|
|
|
|
|
pCutoffEvent = pNextCutoffEvent; |
|
|
} |
|
|
if (pCutoffEventList->last()) VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of parameter matrix next time |
|
|
} |
|
748 |
|
|
749 |
// process filter resonance events |
VCFCutoffCtrl.fvalue = cutoff; // needed for initialization of fFinalCutoff next time |
750 |
{ |
fFinalCutoff = cutoff; |
751 |
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; |
|
|
} |
|
752 |
|
|
753 |
pResonanceEvent = pNextResonanceEvent; |
void Voice::processResonanceEvent(RTList<Event>::Iterator& itEvent) { |
754 |
} |
// convert absolute controller value to differential |
755 |
if (pResonanceEventList->last()) VCFResonanceCtrl.fvalue = pResonanceEventList->last()->Value * 0.00787f; // needed for initialization of parameter matrix next time |
const int ctrldelta = itEvent->Param.CC.Value - VCFResonanceCtrl.value; |
756 |
} |
VCFResonanceCtrl.value = itEvent->Param.CC.Value; |
757 |
#endif // ENABLE_FILTER |
const float resonancedelta = (float) ctrldelta; |
758 |
|
fFinalResonance += resonancedelta; |
759 |
|
// needed for initialization of parameter |
760 |
|
VCFResonanceCtrl.fvalue = itEvent->Param.CC.Value; |
761 |
} |
} |
762 |
|
|
763 |
/** |
/** |
764 |
* Interpolates the input audio data (no loop). |
* Synthesizes the current audio fragment for this voice. |
765 |
* |
* |
766 |
* @param Samples - number of sample points to be rendered in this audio |
* @param Samples - number of sample points to be rendered in this audio |
767 |
* fragment cycle |
* fragment cycle |
768 |
* @param pSrc - pointer to input sample data |
* @param pSrc - pointer to input sample data |
769 |
* @param Skip - number of sample points to skip in output buffer |
* @param Skip - number of sample points to skip in output buffer |
770 |
*/ |
*/ |
771 |
void Voice::Interpolate(uint Samples, sample_t* pSrc, uint Skip) { |
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
772 |
int i = Skip; |
finalSynthesisParameters.pOutLeft = &pEngineChannel->pChannelLeft->Buffer()[Skip]; |
773 |
|
finalSynthesisParameters.pOutRight = &pEngineChannel->pChannelRight->Buffer()[Skip]; |
774 |
|
finalSynthesisParameters.pSrc = pSrc; |
775 |
|
|
776 |
// FIXME: assuming either mono or stereo |
RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first(); |
777 |
if (this->pSample->Channels == 2) { // Stereo Sample |
RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first(); |
778 |
while (i < Samples) { |
|
779 |
InterpolateOneStep_Stereo(pSrc, i, |
if (Skip) { // skip events that happened before this voice was triggered |
780 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent; |
781 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent; |
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
|
} |
|
|
else { // Mono Sample |
|
|
while (i < Samples) { |
|
|
InterpolateOneStep_Mono(pSrc, i, |
|
|
pEngine->pSynthesisParameters[Event::destination_vca][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
782 |
} |
} |
|
} |
|
783 |
|
|
784 |
/** |
uint killPos; |
785 |
* Interpolates the input audio data, this method honors looping. |
if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos); |
|
* |
|
|
* @param Samples - number of sample points to be rendered in this audio |
|
|
* fragment cycle |
|
|
* @param pSrc - pointer to input sample data |
|
|
* @param Skip - number of sample points to skip in output buffer |
|
|
*/ |
|
|
void Voice::InterpolateAndLoop(uint Samples, sample_t* pSrc, uint Skip) { |
|
|
int i = Skip; |
|
786 |
|
|
787 |
// FIXME: assuming either mono or stereo |
uint i = Skip; |
788 |
if (pSample->Channels == 2) { // Stereo Sample |
while (i < Samples) { |
789 |
if (pSample->LoopPlayCount) { |
int iSubFragmentEnd = RTMath::Min(i + CONFIG_DEFAULT_SUBFRAGMENT_SIZE, Samples); |
790 |
// render loop (loop count limited) |
|
791 |
while (i < Samples && LoopCyclesLeft) { |
// initialize all final synthesis parameters |
792 |
InterpolateOneStep_Stereo(pSrc, i, |
finalSynthesisParameters.fFinalPitch = PitchBase * PitchBend; |
793 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
fFinalCutoff = VCFCutoffCtrl.fvalue; |
794 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
fFinalResonance = VCFResonanceCtrl.fvalue; |
795 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
|
796 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
// process MIDI control change and pitchbend events for this subfragment |
797 |
if (Pos > pSample->LoopEnd) { |
processCCEvents(itCCEvent, iSubFragmentEnd); |
798 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
|
799 |
LoopCyclesLeft--; |
float fFinalVolume = VolumeSmoother.render() * CrossfadeSmoother.render(); |
800 |
} |
#ifdef CONFIG_PROCESS_MUTED_CHANNELS |
801 |
} |
if (pEngineChannel->GetMute()) fFinalVolume = 0; |
802 |
// render on without loop |
#endif |
803 |
while (i < Samples) { |
|
804 |
InterpolateOneStep_Stereo(pSrc, i, |
// process transition events (note on, note off & sustain pedal) |
805 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
processTransitionEvents(itNoteEvent, iSubFragmentEnd); |
806 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
|
807 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
// if the voice was killed in this subfragment, or if the |
808 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
// filter EG is finished, switch EG1 to fade out stage |
809 |
} |
if ((itKillEvent && killPos <= iSubFragmentEnd) || |
810 |
|
(SYNTHESIS_MODE_GET_FILTER(SynthesisMode) && |
811 |
|
EG2.getSegmentType() == EGADSR::segment_end)) { |
812 |
|
EG1.enterFadeOutStage(); |
813 |
|
itKillEvent = Pool<Event>::Iterator(); |
814 |
} |
} |
815 |
else { // render loop (endless loop) |
|
816 |
while (i < Samples) { |
// process envelope generators |
817 |
InterpolateOneStep_Stereo(pSrc, i, |
switch (EG1.getSegmentType()) { |
818 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
case EGADSR::segment_lin: |
819 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
fFinalVolume *= EG1.processLin(); |
820 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
break; |
821 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
case EGADSR::segment_exp: |
822 |
if (Pos > pSample->LoopEnd) { |
fFinalVolume *= EG1.processExp(); |
823 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize); |
break; |
824 |
} |
case EGADSR::segment_end: |
825 |
} |
fFinalVolume *= EG1.getLevel(); |
826 |
|
break; // noop |
827 |
} |
} |
828 |
} |
switch (EG2.getSegmentType()) { |
829 |
else { // Mono Sample |
case EGADSR::segment_lin: |
830 |
if (pSample->LoopPlayCount) { |
fFinalCutoff *= EG2.processLin(); |
831 |
// render loop (loop count limited) |
break; |
832 |
while (i < Samples && LoopCyclesLeft) { |
case EGADSR::segment_exp: |
833 |
InterpolateOneStep_Mono(pSrc, i, |
fFinalCutoff *= EG2.processExp(); |
834 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
break; |
835 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
case EGADSR::segment_end: |
836 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
fFinalCutoff *= EG2.getLevel(); |
837 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
break; // noop |
|
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->pSynthesisParameters[Event::destination_vcfc][i], |
|
|
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
|
} |
|
838 |
} |
} |
839 |
else { // render loop (endless loop) |
if (EG3.active()) finalSynthesisParameters.fFinalPitch *= EG3.render(); |
840 |
while (i < Samples) { |
|
841 |
InterpolateOneStep_Mono(pSrc, i, |
// process low frequency oscillators |
842 |
pEngine->pSynthesisParameters[Event::destination_vca][i], |
if (bLFO1Enabled) fFinalVolume *= (1.0f - pLFO1->render()); |
843 |
pEngine->pSynthesisParameters[Event::destination_vco][i], |
if (bLFO2Enabled) fFinalCutoff *= pLFO2->render(); |
844 |
pEngine->pSynthesisParameters[Event::destination_vcfc][i], |
if (bLFO3Enabled) finalSynthesisParameters.fFinalPitch *= RTMath::CentsToFreqRatio(pLFO3->render()); |
845 |
pEngine->pSynthesisParameters[Event::destination_vcfr][i]); |
|
846 |
if (Pos > pSample->LoopEnd) { |
// if filter enabled then update filter coefficients |
847 |
Pos = pSample->LoopStart + fmod(Pos - pSample->LoopEnd, pSample->LoopSize);; |
if (SYNTHESIS_MODE_GET_FILTER(SynthesisMode)) { |
848 |
} |
finalSynthesisParameters.filterLeft.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate); |
849 |
|
finalSynthesisParameters.filterRight.SetParameters(fFinalCutoff, fFinalResonance, pEngine->SampleRate); |
850 |
|
} |
851 |
|
|
852 |
|
// do we need resampling? |
853 |
|
const float __PLUS_ONE_CENT = 1.000577789506554859250142541782224725466f; |
854 |
|
const float __MINUS_ONE_CENT = 0.9994225441413807496009516495583113737666f; |
855 |
|
const bool bResamplingRequired = !(finalSynthesisParameters.fFinalPitch <= __PLUS_ONE_CENT && |
856 |
|
finalSynthesisParameters.fFinalPitch >= __MINUS_ONE_CENT); |
857 |
|
SYNTHESIS_MODE_SET_INTERPOLATE(SynthesisMode, bResamplingRequired); |
858 |
|
|
859 |
|
// prepare final synthesis parameters structure |
860 |
|
finalSynthesisParameters.uiToGo = iSubFragmentEnd - i; |
861 |
|
#ifdef CONFIG_INTERPOLATE_VOLUME |
862 |
|
finalSynthesisParameters.fFinalVolumeDeltaLeft = |
863 |
|
(fFinalVolume * VolumeLeft * PanLeftSmoother.render() - |
864 |
|
finalSynthesisParameters.fFinalVolumeLeft) / finalSynthesisParameters.uiToGo; |
865 |
|
finalSynthesisParameters.fFinalVolumeDeltaRight = |
866 |
|
(fFinalVolume * VolumeRight * PanRightSmoother.render() - |
867 |
|
finalSynthesisParameters.fFinalVolumeRight) / finalSynthesisParameters.uiToGo; |
868 |
|
#else |
869 |
|
finalSynthesisParameters.fFinalVolumeLeft = |
870 |
|
fFinalVolume * VolumeLeft * PanLeftSmoother.render(); |
871 |
|
finalSynthesisParameters.fFinalVolumeRight = |
872 |
|
fFinalVolume * VolumeRight * PanRightSmoother.render(); |
873 |
|
#endif |
874 |
|
// render audio for one subfragment |
875 |
|
RunSynthesisFunction(SynthesisMode, &finalSynthesisParameters, &loop); |
876 |
|
|
877 |
|
// stop the rendering if volume EG is finished |
878 |
|
if (EG1.getSegmentType() == EGADSR::segment_end) break; |
879 |
|
|
880 |
|
const double newPos = Pos + (iSubFragmentEnd - i) * finalSynthesisParameters.fFinalPitch; |
881 |
|
|
882 |
|
// increment envelopes' positions |
883 |
|
if (EG1.active()) { |
884 |
|
|
885 |
|
// 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 |
886 |
|
if (pDimRgn->SampleLoops && Pos <= pDimRgn->pSampleLoops[0].LoopStart && pDimRgn->pSampleLoops[0].LoopStart < newPos) { |
887 |
|
EG1.update(EGADSR::event_hold_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
888 |
} |
} |
889 |
|
|
890 |
|
EG1.increment(1); |
891 |
|
if (!EG1.toStageEndLeft()) EG1.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
892 |
|
} |
893 |
|
if (EG2.active()) { |
894 |
|
EG2.increment(1); |
895 |
|
if (!EG2.toStageEndLeft()) EG2.update(EGADSR::event_stage_end, pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
896 |
} |
} |
897 |
|
EG3.increment(1); |
898 |
|
if (!EG3.toEndLeft()) EG3.update(); // neutralize envelope coefficient if end reached |
899 |
|
|
900 |
|
Pos = newPos; |
901 |
|
i = iSubFragmentEnd; |
902 |
} |
} |
903 |
} |
} |
904 |
|
|
905 |
|
/** @brief Update current portamento position. |
906 |
|
* |
907 |
|
* Will be called when portamento mode is enabled to get the final |
908 |
|
* portamento position of this active voice from where the next voice(s) |
909 |
|
* might continue to slide on. |
910 |
|
* |
911 |
|
* @param itNoteOffEvent - event which causes this voice to die soon |
912 |
|
*/ |
913 |
|
void Voice::UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent) { |
914 |
|
const float fFinalEG3Level = EG3.level(itNoteOffEvent->FragmentPos()); |
915 |
|
pEngineChannel->PortamentoPos = (float) MIDIKey + RTMath::FreqRatioToCents(fFinalEG3Level) * 0.01f; |
916 |
|
} |
917 |
|
|
918 |
/** |
/** |
919 |
* Immediately kill the voice. |
* Immediately kill the voice. This method should not be used to kill |
920 |
|
* a normal, active voice, because it doesn't take care of things like |
921 |
|
* fading down the volume level to avoid clicks and regular processing |
922 |
|
* until the kill event actually occured! |
923 |
|
* |
924 |
|
* If it's necessary to know when the voice's disk stream was actually |
925 |
|
* deleted, then one can set the optional @a bRequestNotification |
926 |
|
* parameter and this method will then return the handle of the disk |
927 |
|
* stream (unique identifier) and one can use this handle to poll the |
928 |
|
* disk thread if this stream has been deleted. In any case this method |
929 |
|
* will return immediately and will not block until the stream actually |
930 |
|
* was deleted. |
931 |
|
* |
932 |
|
* @param bRequestNotification - (optional) whether the disk thread shall |
933 |
|
* provide a notification once it deleted |
934 |
|
* the respective disk stream |
935 |
|
* (default=false) |
936 |
|
* @returns handle to the voice's disk stream or @c Stream::INVALID_HANDLE |
937 |
|
* if the voice did not use a disk stream at all |
938 |
|
* @see Kill() |
939 |
*/ |
*/ |
940 |
void Voice::Kill() { |
Stream::Handle Voice::KillImmediately(bool bRequestNotification) { |
941 |
|
Stream::Handle hStream = Stream::INVALID_HANDLE; |
942 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
943 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef, bRequestNotification); |
944 |
|
hStream = DiskStreamRef.hStream; |
945 |
} |
} |
946 |
Reset(); |
Reset(); |
947 |
|
return hStream; |
948 |
|
} |
949 |
|
|
950 |
|
/** |
951 |
|
* Kill the voice in regular sense. Let the voice render audio until |
952 |
|
* the kill event actually occured and then fade down the volume level |
953 |
|
* very quickly and let the voice die finally. Unlike a normal release |
954 |
|
* of a voice, a kill process cannot be cancalled and is therefore |
955 |
|
* usually used for voice stealing and key group conflicts. |
956 |
|
* |
957 |
|
* @param itKillEvent - event which caused the voice to be killed |
958 |
|
*/ |
959 |
|
void Voice::Kill(Pool<Event>::Iterator& itKillEvent) { |
960 |
|
#if CONFIG_DEVMODE |
961 |
|
if (!itKillEvent) dmsg(1,("gig::Voice::Kill(): ERROR, !itKillEvent !!!\n")); |
962 |
|
if (itKillEvent && !itKillEvent.isValid()) dmsg(1,("gig::Voice::Kill(): ERROR, itKillEvent invalid !!!\n")); |
963 |
|
#endif // CONFIG_DEVMODE |
964 |
|
|
965 |
|
if (itTriggerEvent && itKillEvent->FragmentPos() <= itTriggerEvent->FragmentPos()) return; |
966 |
|
this->itKillEvent = itKillEvent; |
967 |
} |
} |
968 |
|
|
969 |
}} // namespace LinuxSampler::gig |
}} // namespace LinuxSampler::gig |