From b703eab295330e6f81564fbb39a10a1a2fdd2f54 Mon Sep 17 00:00:00 2001 From: Robert Jonsson Date: Sun, 27 Dec 2009 11:30:35 +0000 Subject: moved old qt4 branch --- .../synti/zynaddsubfx/Synth/ADnote.C | 984 ++++++++++++++++ .../synti/zynaddsubfx/Synth/ADnote.h | 258 +++++ .../synti/zynaddsubfx/Synth/Envelope.C | 165 +++ .../synti/zynaddsubfx/Synth/Envelope.h | 58 + muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.C | 145 +++ muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.h | 52 + .../synti/zynaddsubfx/Synth/OscilGen.C | 1182 ++++++++++++++++++++ .../synti/zynaddsubfx/Synth/OscilGen.h | 176 +++ .../synti/zynaddsubfx/Synth/PADnote.C | 342 ++++++ .../synti/zynaddsubfx/Synth/PADnote.h | 106 ++ .../synti/zynaddsubfx/Synth/Resonance.C | 231 ++++ .../synti/zynaddsubfx/Synth/Resonance.h | 68 ++ .../synti/zynaddsubfx/Synth/SUBnote.C | 419 +++++++ .../synti/zynaddsubfx/Synth/SUBnote.h | 98 ++ 14 files changed, 4284 insertions(+) create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.h create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.h create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.h create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/PADnote.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/PADnote.h create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.h create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.C create mode 100644 muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.h (limited to 'muse_qt4_evolution/synti/zynaddsubfx/Synth') diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.C b/muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.C new file mode 100644 index 00000000..574e2bea --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.C @@ -0,0 +1,984 @@ +/* + ZynAddSubFX - a software synthesizer + + ADnote.C - The "additive" synthesizer + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include +#include + + +#include "../globals.h" +#include "../Misc/Util.h" +#include "ADnote.h" + + +ADnote::ADnote(ADnoteParameters *pars,Controller *ctl_,REALTYPE freq,REALTYPE velocity,int portamento_,int midinote_){ + ready=0; + + tmpwave=new REALTYPE [SOUND_BUFFER_SIZE]; + bypassl=new REALTYPE [SOUND_BUFFER_SIZE]; + bypassr=new REALTYPE [SOUND_BUFFER_SIZE]; + + partparams=pars; + ctl=ctl_; + portamento=portamento_; + midinote=midinote_; + NoteEnabled=ON; + basefreq=freq; + if (velocity>1.0) velocity=1.0; + this->velocity=velocity; + time=0.0; + stereo=pars->GlobalPar.PStereo; + + NoteGlobalPar.Detune=getdetune(pars->GlobalPar.PDetuneType + ,pars->GlobalPar.PCoarseDetune,pars->GlobalPar.PDetune); + bandwidthDetuneMultiplier=pars->getBandwidthDetuneMultiplier(); + + if (pars->GlobalPar.PPanning==0) NoteGlobalPar.Panning=RND; + else NoteGlobalPar.Panning=pars->GlobalPar.PPanning/128.0; + + + NoteGlobalPar.FilterCenterPitch=pars->GlobalPar.GlobalFilter->getfreq()+//center freq + pars->GlobalPar.PFilterVelocityScale/127.0*6.0* //velocity sensing + (VelF(velocity,pars->GlobalPar.PFilterVelocityScaleFunction)-1); + + if (pars->GlobalPar.PPunchStrength!=0) { + NoteGlobalPar.Punch.Enabled=1; + NoteGlobalPar.Punch.t=1.0;//start from 1.0 and to 0.0 + NoteGlobalPar.Punch.initialvalue=( (pow(10,1.5*pars->GlobalPar.PPunchStrength/127.0)-1.0) + *VelF(velocity,pars->GlobalPar.PPunchVelocitySensing) ); + REALTYPE time=pow(10,3.0*pars->GlobalPar.PPunchTime/127.0)/10000.0;//0.1 .. 100 ms + REALTYPE stretch=pow(440.0/freq,pars->GlobalPar.PPunchStretch/64.0); + NoteGlobalPar.Punch.dt=1.0/(time*SAMPLE_RATE*stretch); + } else NoteGlobalPar.Punch.Enabled=0; + + for (int nvoice=0;nvoiceVoicePar[nvoice].OscilSmp->newrandseed(rand()); + NoteVoicePar[nvoice].OscilSmp=NULL; + NoteVoicePar[nvoice].FMSmp=NULL; + NoteVoicePar[nvoice].VoiceOut=NULL; + + NoteVoicePar[nvoice].FMVoice=-1; + + if (pars->VoicePar[nvoice].Enabled==0) { + NoteVoicePar[nvoice].Enabled=OFF; + continue; //the voice is disabled + }; + + NoteVoicePar[nvoice].Enabled=ON; + NoteVoicePar[nvoice].fixedfreq=pars->VoicePar[nvoice].Pfixedfreq; + NoteVoicePar[nvoice].fixedfreqET=pars->VoicePar[nvoice].PfixedfreqET; + + //use the Globalpars.detunetype if the detunetype is 0 + if (pars->VoicePar[nvoice].PDetuneType!=0){ + NoteVoicePar[nvoice].Detune=getdetune(pars->VoicePar[nvoice].PDetuneType + ,pars->VoicePar[nvoice].PCoarseDetune,8192);//coarse detune + NoteVoicePar[nvoice].FineDetune=getdetune(pars->VoicePar[nvoice].PDetuneType + ,0,pars->VoicePar[nvoice].PDetune);//fine detune + } else { + NoteVoicePar[nvoice].Detune=getdetune(pars->GlobalPar.PDetuneType + ,pars->VoicePar[nvoice].PCoarseDetune,8192);//coarse detune + NoteVoicePar[nvoice].FineDetune=getdetune(pars->GlobalPar.PDetuneType + ,0,pars->VoicePar[nvoice].PDetune);//fine detune + }; + if (pars->VoicePar[nvoice].PFMDetuneType!=0){ + NoteVoicePar[nvoice].FMDetune=getdetune(pars->VoicePar[nvoice].PFMDetuneType + ,pars->VoicePar[nvoice].PFMCoarseDetune,pars->VoicePar[nvoice].PFMDetune); + } else { + NoteVoicePar[nvoice].FMDetune=getdetune(pars->GlobalPar.PDetuneType + ,pars->VoicePar[nvoice].PFMCoarseDetune,pars->VoicePar[nvoice].PFMDetune); + }; + + oscposhi[nvoice]=0;oscposlo[nvoice]=0.0; + oscposhiFM[nvoice]=0;oscposloFM[nvoice]=0.0; + + NoteVoicePar[nvoice].OscilSmp=new REALTYPE[OSCIL_SIZE+OSCIL_SMP_EXTRA_SAMPLES];//the extra points contains the first point + + //Get the voice's oscil or external's voice oscil + int vc=nvoice; + if (pars->VoicePar[nvoice].Pextoscil!=-1) vc=pars->VoicePar[nvoice].Pextoscil; + if (!pars->GlobalPar.Hrandgrouping) pars->VoicePar[vc].OscilSmp->newrandseed(rand()); + oscposhi[nvoice]=pars->VoicePar[vc].OscilSmp->get(NoteVoicePar[nvoice].OscilSmp,getvoicebasefreq(nvoice), + pars->VoicePar[nvoice].Presonance); + + //I store the first elments to the last position for speedups + for (int i=0;iVoicePar[nvoice].Poscilphase-64.0)/128.0*OSCIL_SIZE+OSCIL_SIZE*4); + oscposhi[nvoice]%=OSCIL_SIZE; + + + NoteVoicePar[nvoice].FreqLfo=NULL; + NoteVoicePar[nvoice].FreqEnvelope=NULL; + + NoteVoicePar[nvoice].AmpLfo=NULL; + NoteVoicePar[nvoice].AmpEnvelope=NULL; + + NoteVoicePar[nvoice].VoiceFilter=NULL; + NoteVoicePar[nvoice].FilterEnvelope=NULL; + NoteVoicePar[nvoice].FilterLfo=NULL; + + NoteVoicePar[nvoice].FilterCenterPitch=pars->VoicePar[nvoice].VoiceFilter->getfreq(); + NoteVoicePar[nvoice].filterbypass=pars->VoicePar[nvoice].Pfilterbypass; + + switch(pars->VoicePar[nvoice].PFMEnabled){ + case 1:NoteVoicePar[nvoice].FMEnabled=MORPH;break; + case 2:NoteVoicePar[nvoice].FMEnabled=RING_MOD;break; + case 3:NoteVoicePar[nvoice].FMEnabled=PHASE_MOD;break; + case 4:NoteVoicePar[nvoice].FMEnabled=FREQ_MOD;break; + case 5:NoteVoicePar[nvoice].FMEnabled=PITCH_MOD;break; + default:NoteVoicePar[nvoice].FMEnabled=NONE; + }; + + NoteVoicePar[nvoice].FMVoice=pars->VoicePar[nvoice].PFMVoice; + NoteVoicePar[nvoice].FMFreqEnvelope=NULL; + NoteVoicePar[nvoice].FMAmpEnvelope=NULL; + + //Compute the Voice's modulator volume (incl. damping) + REALTYPE fmvoldamp=pow(440.0/getvoicebasefreq(nvoice),pars->VoicePar[nvoice].PFMVolumeDamp/64.0-1.0); + switch (NoteVoicePar[nvoice].FMEnabled){ + case PHASE_MOD:fmvoldamp=pow(440.0/getvoicebasefreq(nvoice),pars->VoicePar[nvoice].PFMVolumeDamp/64.0); + NoteVoicePar[nvoice].FMVolume=(exp(pars->VoicePar[nvoice].PFMVolume/127.0*FM_AMP_MULTIPLIER)-1.0)*fmvoldamp*4.0; + break; + case FREQ_MOD:NoteVoicePar[nvoice].FMVolume=(exp(pars->VoicePar[nvoice].PFMVolume/127.0*FM_AMP_MULTIPLIER)-1.0)*fmvoldamp*4.0; + break; + // case PITCH_MOD:NoteVoicePar[nvoice].FMVolume=(pars->VoicePar[nvoice].PFMVolume/127.0*8.0)*fmvoldamp;//??????????? + // break; + default:if (fmvoldamp>1.0) fmvoldamp=1.0; + NoteVoicePar[nvoice].FMVolume=pars->VoicePar[nvoice].PFMVolume/127.0*fmvoldamp; + }; + + //Voice's modulator velocity sensing + NoteVoicePar[nvoice].FMVolume*=VelF(velocity,partparams->VoicePar[nvoice].PFMVelocityScaleFunction); + + FMoldsmp[nvoice]=0.0;//this is for FM (integration) + + firsttick[nvoice]=1; + NoteVoicePar[nvoice].DelayTicks=(int)((exp(pars->VoicePar[nvoice].PDelay/127.0*log(50.0))-1.0)/SOUND_BUFFER_SIZE/10.0*SAMPLE_RATE); + }; + + initparameters(); + ready=1; +}; + + +/* + * Kill a voice of ADnote + */ +void ADnote::KillVoice(int nvoice){ + + delete (NoteVoicePar[nvoice].OscilSmp); + + if (NoteVoicePar[nvoice].FreqEnvelope!=NULL) delete(NoteVoicePar[nvoice].FreqEnvelope); + NoteVoicePar[nvoice].FreqEnvelope=NULL; + + if (NoteVoicePar[nvoice].FreqLfo!=NULL) delete(NoteVoicePar[nvoice].FreqLfo); + NoteVoicePar[nvoice].FreqLfo=NULL; + + if (NoteVoicePar[nvoice].AmpEnvelope!=NULL) delete (NoteVoicePar[nvoice].AmpEnvelope); + NoteVoicePar[nvoice].AmpEnvelope=NULL; + + if (NoteVoicePar[nvoice].AmpLfo!=NULL) delete (NoteVoicePar[nvoice].AmpLfo); + NoteVoicePar[nvoice].AmpLfo=NULL; + + if (NoteVoicePar[nvoice].VoiceFilter!=NULL) delete (NoteVoicePar[nvoice].VoiceFilter); + NoteVoicePar[nvoice].VoiceFilter=NULL; + + if (NoteVoicePar[nvoice].FilterEnvelope!=NULL) delete (NoteVoicePar[nvoice].FilterEnvelope); + NoteVoicePar[nvoice].FilterEnvelope=NULL; + + if (NoteVoicePar[nvoice].FilterLfo!=NULL) delete (NoteVoicePar[nvoice].FilterLfo); + NoteVoicePar[nvoice].FilterLfo=NULL; + + if (NoteVoicePar[nvoice].FMFreqEnvelope!=NULL) delete (NoteVoicePar[nvoice].FMFreqEnvelope); + NoteVoicePar[nvoice].FMFreqEnvelope=NULL; + + if (NoteVoicePar[nvoice].FMAmpEnvelope!=NULL) delete (NoteVoicePar[nvoice].FMAmpEnvelope); + NoteVoicePar[nvoice].FMAmpEnvelope=NULL; + + if ((NoteVoicePar[nvoice].FMEnabled!=NONE)&&(NoteVoicePar[nvoice].FMVoice<0)) delete NoteVoicePar[nvoice].FMSmp; + + if (NoteVoicePar[nvoice].VoiceOut!=NULL) + for (int i=0;iGlobalPar.FreqEnvelope,basefreq); + NoteGlobalPar.FreqLfo=new LFO(partparams->GlobalPar.FreqLfo,basefreq); + + NoteGlobalPar.AmpEnvelope=new Envelope(partparams->GlobalPar.AmpEnvelope,basefreq); + NoteGlobalPar.AmpLfo=new LFO(partparams->GlobalPar.AmpLfo,basefreq); + + NoteGlobalPar.Volume=4.0*pow(0.1,3.0*(1.0-partparams->GlobalPar.PVolume/96.0))//-60 dB .. 0 dB + *VelF(velocity,partparams->GlobalPar.PAmpVelocityScaleFunction);//velocity sensing + + NoteGlobalPar.AmpEnvelope->envout_dB();//discard the first envelope output + globalnewamplitude=NoteGlobalPar.Volume*NoteGlobalPar.AmpEnvelope->envout_dB()*NoteGlobalPar.AmpLfo->amplfoout(); + + NoteGlobalPar.GlobalFilterL=new Filter(partparams->GlobalPar.GlobalFilter); + if (stereo!=0) NoteGlobalPar.GlobalFilterR=new Filter(partparams->GlobalPar.GlobalFilter); + + NoteGlobalPar.FilterEnvelope=new Envelope(partparams->GlobalPar.FilterEnvelope,basefreq); + NoteGlobalPar.FilterLfo=new LFO(partparams->GlobalPar.FilterLfo,basefreq); + NoteGlobalPar.FilterQ=partparams->GlobalPar.GlobalFilter->getq(); + NoteGlobalPar.FilterFreqTracking=partparams->GlobalPar.GlobalFilter->getfreqtracking(basefreq); + + // Forbids the Modulation Voice to be greater or equal than voice + for (i=0;i=i) NoteVoicePar[i].FMVoice=-1; + + // Voice Parameter init + for (nvoice=0;nvoiceVoicePar[nvoice].Type; + /* Voice Amplitude Parameters Init */ + NoteVoicePar[nvoice].Volume=pow(0.1,3.0*(1.0-partparams->VoicePar[nvoice].PVolume/127.0)) // -60 dB .. 0 dB + *VelF(velocity,partparams->VoicePar[nvoice].PAmpVelocityScaleFunction);//velocity + + if (partparams->VoicePar[nvoice].PVolumeminus!=0) NoteVoicePar[nvoice].Volume=-NoteVoicePar[nvoice].Volume; + + if (partparams->VoicePar[nvoice].PPanning==0) + NoteVoicePar[nvoice].Panning=RND;// random panning + else NoteVoicePar[nvoice].Panning=partparams->VoicePar[nvoice].PPanning/128.0; + + newamplitude[nvoice]=1.0; + if (partparams->VoicePar[nvoice].PAmpEnvelopeEnabled!=0) { + NoteVoicePar[nvoice].AmpEnvelope=new Envelope(partparams->VoicePar[nvoice].AmpEnvelope,basefreq); + NoteVoicePar[nvoice].AmpEnvelope->envout_dB();//discard the first envelope sample + newamplitude[nvoice]*=NoteVoicePar[nvoice].AmpEnvelope->envout_dB(); + }; + + if (partparams->VoicePar[nvoice].PAmpLfoEnabled!=0){ + NoteVoicePar[nvoice].AmpLfo=new LFO(partparams->VoicePar[nvoice].AmpLfo,basefreq); + newamplitude[nvoice]*=NoteVoicePar[nvoice].AmpLfo->amplfoout(); + }; + + /* Voice Frequency Parameters Init */ + if (partparams->VoicePar[nvoice].PFreqEnvelopeEnabled!=0) + NoteVoicePar[nvoice].FreqEnvelope=new Envelope(partparams->VoicePar[nvoice].FreqEnvelope,basefreq); + + if (partparams->VoicePar[nvoice].PFreqLfoEnabled!=0) NoteVoicePar[nvoice].FreqLfo=new LFO(partparams->VoicePar[nvoice].FreqLfo,basefreq); + + /* Voice Filter Parameters Init */ + if (partparams->VoicePar[nvoice].PFilterEnabled!=0){ + NoteVoicePar[nvoice].VoiceFilter=new Filter(partparams->VoicePar[nvoice].VoiceFilter); + }; + + if (partparams->VoicePar[nvoice].PFilterEnvelopeEnabled!=0) + NoteVoicePar[nvoice].FilterEnvelope=new Envelope(partparams->VoicePar[nvoice].FilterEnvelope,basefreq); + + if (partparams->VoicePar[nvoice].PFilterLfoEnabled!=0) + NoteVoicePar[nvoice].FilterLfo=new LFO(partparams->VoicePar[nvoice].FilterLfo,basefreq); + + NoteVoicePar[nvoice].FilterFreqTracking=partparams->VoicePar[nvoice].VoiceFilter->getfreqtracking(basefreq); + + /* Voice Modulation Parameters Init */ + if ((NoteVoicePar[nvoice].FMEnabled!=NONE)&&(NoteVoicePar[nvoice].FMVoice<0)){ + partparams->VoicePar[nvoice].FMSmp->newrandseed(rand()); + NoteVoicePar[nvoice].FMSmp=new REALTYPE[OSCIL_SIZE+OSCIL_SMP_EXTRA_SAMPLES]; + + //Perform Anti-aliasing only on MORPH or RING MODULATION + + int vc=nvoice; + if (partparams->VoicePar[nvoice].PextFMoscil!=-1) vc=partparams->VoicePar[nvoice].PextFMoscil; + + REALTYPE tmp=1.0; + if ((partparams->VoicePar[vc].FMSmp->Padaptiveharmonics!=0)|| + (NoteVoicePar[nvoice].FMEnabled==MORPH)|| + (NoteVoicePar[nvoice].FMEnabled==RING_MOD)){ + tmp=getFMvoicebasefreq(nvoice); + }; + if (!partparams->GlobalPar.Hrandgrouping) partparams->VoicePar[vc].FMSmp->newrandseed(rand()); + + oscposhiFM[nvoice]=(oscposhi[nvoice]+partparams->VoicePar[vc].FMSmp->get(NoteVoicePar[nvoice].FMSmp,tmp)) % OSCIL_SIZE; + for (int i=0;iVoicePar[nvoice].PFMoscilphase-64.0)/128.0*OSCIL_SIZE+OSCIL_SIZE*4); + oscposhiFM[nvoice]%=OSCIL_SIZE; + }; + + if (partparams->VoicePar[nvoice].PFMFreqEnvelopeEnabled!=0) + NoteVoicePar[nvoice].FMFreqEnvelope=new Envelope(partparams->VoicePar[nvoice].FMFreqEnvelope,basefreq); + + FMnewamplitude[nvoice]=NoteVoicePar[nvoice].FMVolume*ctl->fmamp.relamp; + + if (partparams->VoicePar[nvoice].PFMAmpEnvelopeEnabled!=0){ + NoteVoicePar[nvoice].FMAmpEnvelope=new Envelope(partparams->VoicePar[nvoice].FMAmpEnvelope,basefreq); + FMnewamplitude[nvoice]*=NoteVoicePar[nvoice].FMAmpEnvelope->envout_dB(); + }; + }; + + for (nvoice=0;nvoiceOSCIL_SIZE) speed=OSCIL_SIZE; + + F2I(speed,oscfreqhi[nvoice]); + oscfreqlo[nvoice]=speed-floor(speed); +}; + +/* + * Computes the frequency of an modullator oscillator + */ +void ADnote::setfreqFM(int nvoice,REALTYPE freq){ + REALTYPE speed; + freq=fabs(freq); + speed=freq*REALTYPE(OSCIL_SIZE)/(REALTYPE) SAMPLE_RATE; + if (speed>OSCIL_SIZE) speed=OSCIL_SIZE; + + F2I(speed,oscfreqhiFM[nvoice]); + oscfreqloFM[nvoice]=speed-floor(speed); +}; + +/* + * Get Voice base frequency + */ +REALTYPE ADnote::getvoicebasefreq(int nvoice){ + REALTYPE detune=NoteVoicePar[nvoice].Detune/100.0+ + NoteVoicePar[nvoice].FineDetune/100.0*ctl->bandwidth.relbw*bandwidthDetuneMultiplier+ + NoteGlobalPar.Detune/100.0; + + if (NoteVoicePar[nvoice].fixedfreq==0) return(this->basefreq*pow(2,detune/12.0)); + else {//the fixed freq is enabled + REALTYPE fixedfreq=440.0; + int fixedfreqET=NoteVoicePar[nvoice].fixedfreqET; + if (fixedfreqET!=0) {//if the frequency varies according the keyboard note + REALTYPE tmp=(midinote-69.0)/12.0*(pow(2.0,(fixedfreqET-1)/63.0)-1.0); + if (fixedfreqET<=64) fixedfreq*=pow(2.0,tmp); + else fixedfreq*=pow(3.0,tmp); + }; + return(fixedfreq*pow(2.0,detune/12.0)); + }; +}; + +/* + * Get Voice's Modullator base frequency + */ +REALTYPE ADnote::getFMvoicebasefreq(int nvoice){ + REALTYPE detune=NoteVoicePar[nvoice].FMDetune/100.0; + return(getvoicebasefreq(nvoice)*pow(2,detune/12.0)); +}; + +/* + * Computes all the parameters for each tick + */ +void ADnote::computecurrentparameters(){ + int nvoice; + REALTYPE voicefreq,voicepitch,filterpitch,filterfreq,FMfreq,FMrelativepitch,globalpitch,globalfilterpitch; + globalpitch=0.01*(NoteGlobalPar.FreqEnvelope->envout()+ + NoteGlobalPar.FreqLfo->lfoout()*ctl->modwheel.relmod); + globaloldamplitude=globalnewamplitude; + globalnewamplitude=NoteGlobalPar.Volume*NoteGlobalPar.AmpEnvelope->envout_dB()*NoteGlobalPar.AmpLfo->amplfoout(); + + globalfilterpitch=NoteGlobalPar.FilterEnvelope->envout()+NoteGlobalPar.FilterLfo->lfoout() + +NoteGlobalPar.FilterCenterPitch; + + REALTYPE tmpfilterfreq=globalfilterpitch+ctl->filtercutoff.relfreq + +NoteGlobalPar.FilterFreqTracking; + + tmpfilterfreq=NoteGlobalPar.GlobalFilterL->getrealfreq(tmpfilterfreq); + + REALTYPE globalfilterq=NoteGlobalPar.FilterQ*ctl->filterq.relq; + NoteGlobalPar.GlobalFilterL->setfreq_and_q(tmpfilterfreq,globalfilterq); + if (stereo!=0) NoteGlobalPar.GlobalFilterR->setfreq_and_q(tmpfilterfreq,globalfilterq); + + //compute the portamento, if it is used by this note + REALTYPE portamentofreqrap=1.0; + if (portamento!=0){//this voice use portamento + portamentofreqrap=ctl->portamento.freqrap; + if (ctl->portamento.used==0){//the portamento has finished + portamento=0;//this note is no longer "portamented" + }; + }; + + //compute parameters for all voices + for (nvoice=0;nvoice0) continue; + + /*******************/ + /* Voice Amplitude */ + /*******************/ + oldamplitude[nvoice]=newamplitude[nvoice]; + newamplitude[nvoice]=1.0; + + if (NoteVoicePar[nvoice].AmpEnvelope!=NULL) + newamplitude[nvoice]*=NoteVoicePar[nvoice].AmpEnvelope->envout_dB(); + + if (NoteVoicePar[nvoice].AmpLfo!=NULL) + newamplitude[nvoice]*=NoteVoicePar[nvoice].AmpLfo->amplfoout(); + + /****************/ + /* Voice Filter */ + /****************/ + if (NoteVoicePar[nvoice].VoiceFilter!=NULL){ + filterpitch=NoteVoicePar[nvoice].FilterCenterPitch; + + if (NoteVoicePar[nvoice].FilterEnvelope!=NULL) + filterpitch+=NoteVoicePar[nvoice].FilterEnvelope->envout(); + + if (NoteVoicePar[nvoice].FilterLfo!=NULL) + filterpitch+=NoteVoicePar[nvoice].FilterLfo->lfoout(); + + filterfreq=filterpitch+NoteVoicePar[nvoice].FilterFreqTracking; + filterfreq=NoteVoicePar[nvoice].VoiceFilter->getrealfreq(filterfreq); + + NoteVoicePar[nvoice].VoiceFilter->setfreq(filterfreq); + }; + + if (NoteVoicePar[nvoice].noisetype==0){//compute only if the voice isn't noise + + /*******************/ + /* Voice Frequency */ + /*******************/ + voicepitch=0.0; + if (NoteVoicePar[nvoice].FreqLfo!=NULL) + voicepitch+=NoteVoicePar[nvoice].FreqLfo->lfoout()/100.0 + *ctl->bandwidth.relbw; + + if (NoteVoicePar[nvoice].FreqEnvelope!=NULL) voicepitch+=NoteVoicePar[nvoice].FreqEnvelope->envout()/100.0; + voicefreq=getvoicebasefreq(nvoice)*pow(2,(voicepitch+globalpitch)/12.0);//Hz frequency + voicefreq*=ctl->pitchwheel.relfreq;//change the frequency by the controller + setfreq(nvoice,voicefreq*portamentofreqrap); + + /***************/ + /* Modulator */ + /***************/ + if (NoteVoicePar[nvoice].FMEnabled!=NONE){ + FMrelativepitch=NoteVoicePar[nvoice].FMDetune/100.0; + if (NoteVoicePar[nvoice].FMFreqEnvelope!=NULL) FMrelativepitch+=NoteVoicePar[nvoice].FMFreqEnvelope->envout()/100; + FMfreq=pow(2.0,FMrelativepitch/12.0)*voicefreq*portamentofreqrap; + setfreqFM(nvoice,FMfreq); + + FMoldamplitude[nvoice]=FMnewamplitude[nvoice]; + FMnewamplitude[nvoice]=NoteVoicePar[nvoice].FMVolume*ctl->fmamp.relamp; + if (NoteVoicePar[nvoice].FMAmpEnvelope!=NULL) + FMnewamplitude[nvoice]*=NoteVoicePar[nvoice].FMAmpEnvelope->envout_dB(); + }; + }; + + }; + time+=(REALTYPE)SOUND_BUFFER_SIZE/(REALTYPE)SAMPLE_RATE; +}; + + +/* + * Fadein in a way that removes clicks but keep sound "punchy" + */ +inline void ADnote::fadein(REALTYPE *smps){ + int zerocrossings=0; + for (int i=1;i0.0)) zerocrossings++;//this is only the possitive crossings + + REALTYPE tmp=(SOUND_BUFFER_SIZE-1.0)/(zerocrossings+1)/3.0; + if (tmp<8.0) tmp=8.0; + + int n; + F2I(tmp,n);//how many samples is the fade-in + if (n>SOUND_BUFFER_SIZE) n=SOUND_BUFFER_SIZE; + for (int i=0;i=1.0) { + poslo-=1.0; + poshi++; + }; + poshi+=oscfreqhi[nvoice]; + poshi&=OSCIL_SIZE-1; + }; + oscposhi[nvoice]=poshi; + oscposlo[nvoice]=poslo; +}; + + + +/* + * Computes the Oscillator (Without Modulation) - CubicInterpolation + * + The differences from the Linear are to little to deserve to be used. This is because I am using a large OSCIL_SIZE (>512) +inline void ADnote::ComputeVoiceOscillator_CubicInterpolation(int nvoice){ + int i,poshi; + REALTYPE poslo; + + poshi=oscposhi[nvoice]; + poslo=oscposlo[nvoice]; + REALTYPE *smps=NoteVoicePar[nvoice].OscilSmp; + REALTYPE xm1,x0,x1,x2,a,b,c; + for (i=0;i=1.0) { + poslo-=1.0; + poshi++; + }; + poshi+=oscfreqhi[nvoice]; + poshi&=OSCIL_SIZE-1; + }; + oscposhi[nvoice]=poshi; + oscposlo[nvoice]=poslo; +}; +*/ +/* + * Computes the Oscillator (Morphing) + */ +inline void ADnote::ComputeVoiceOscillatorMorph(int nvoice){ + int i; + REALTYPE amp; + ComputeVoiceOscillator_LinearInterpolation(nvoice); + if (FMnewamplitude[nvoice]>1.0) FMnewamplitude[nvoice]=1.0; + if (FMoldamplitude[nvoice]>1.0) FMoldamplitude[nvoice]=1.0; + + if (NoteVoicePar[nvoice].FMVoice>=0){ + //if I use VoiceOut[] as modullator + int FMVoice=NoteVoicePar[nvoice].FMVoice; + for (i=0;i=1.0) { + posloFM-=1.0; + poshiFM++; + }; + poshiFM+=oscfreqhiFM[nvoice]; + poshiFM&=OSCIL_SIZE-1; + }; + oscposhiFM[nvoice]=poshiFM; + oscposloFM[nvoice]=posloFM; + }; +}; + +/* + * Computes the Oscillator (Ring Modulation) + */ +inline void ADnote::ComputeVoiceOscillatorRingModulation(int nvoice){ + int i; + REALTYPE amp; + ComputeVoiceOscillator_LinearInterpolation(nvoice); + if (FMnewamplitude[nvoice]>1.0) FMnewamplitude[nvoice]=1.0; + if (FMoldamplitude[nvoice]>1.0) FMoldamplitude[nvoice]=1.0; + if (NoteVoicePar[nvoice].FMVoice>=0){ + // if I use VoiceOut[] as modullator + for (i=0;i=1.0) { + posloFM-=1.0; + poshiFM++; + }; + poshiFM+=oscfreqhiFM[nvoice]; + poshiFM&=OSCIL_SIZE-1; + }; + oscposhiFM[nvoice]=poshiFM; + oscposloFM[nvoice]=posloFM; + }; +}; + + + +/* + * Computes the Oscillator (Phase Modulation or Frequency Modulation) + */ +inline void ADnote::ComputeVoiceOscillatorFrequencyModulation(int nvoice,int FMmode){ + int carposhi; + int i,FMmodfreqhi; + REALTYPE FMmodfreqlo,carposlo; + + if (NoteVoicePar[nvoice].FMVoice>=0){ + //if I use VoiceOut[] as modulator + for (i=0;i=1.0) { + posloFM=fmod(posloFM,1.0); + poshiFM++; + }; + poshiFM+=oscfreqhiFM[nvoice]; + poshiFM&=OSCIL_SIZE-1; + }; + oscposhiFM[nvoice]=poshiFM; + oscposloFM[nvoice]=posloFM; + }; + // Amplitude interpolation + if (ABOVE_AMPLITUDE_THRESHOLD(FMoldamplitude[nvoice],FMnewamplitude[nvoice])){ + for (i=0;i=1.0) { + carposhi++; + carposlo=fmod(carposlo,1.0); + }; + carposhi&=(OSCIL_SIZE-1); + + tmpwave[i]=NoteVoicePar[nvoice].OscilSmp[carposhi]*(1.0-carposlo) + +NoteVoicePar[nvoice].OscilSmp[carposhi+1]*carposlo; + + oscposlo[nvoice]+=oscfreqlo[nvoice]; + if (oscposlo[nvoice]>=1.0) { + oscposlo[nvoice]=fmod(oscposlo[nvoice],1.0); + oscposhi[nvoice]++; + }; + + oscposhi[nvoice]+=oscfreqhi[nvoice]; + oscposhi[nvoice]&=OSCIL_SIZE-1; + }; +}; + + +/*Calculeaza Oscilatorul cu PITCH MODULATION*/ +inline void ADnote::ComputeVoiceOscillatorPitchModulation(int nvoice){ +//TODO +}; + +/* + * Computes the Noise + */ +inline void ADnote::ComputeVoiceNoise(int nvoice){ + for (int i=0;i0)) continue; + if (NoteVoicePar[nvoice].noisetype==0){//voice mode=sound + switch (NoteVoicePar[nvoice].FMEnabled){ + case MORPH:ComputeVoiceOscillatorMorph(nvoice);break; + case RING_MOD:ComputeVoiceOscillatorRingModulation(nvoice);break; + case PHASE_MOD:ComputeVoiceOscillatorFrequencyModulation(nvoice,0);break; + case FREQ_MOD:ComputeVoiceOscillatorFrequencyModulation(nvoice,1);break; + //case PITCH_MOD:ComputeVoiceOscillatorPitchModulation(nvoice);break; + default:ComputeVoiceOscillator_LinearInterpolation(nvoice); + //if (config.cfg.Interpolation) ComputeVoiceOscillator_CubicInterpolation(nvoice); + + }; + } else ComputeVoiceNoise(nvoice); + // Voice Processing + + // Amplitude + if (ABOVE_AMPLITUDE_THRESHOLD(oldamplitude[nvoice],newamplitude[nvoice])){ + int rest=SOUND_BUFFER_SIZE; + //test if the amplitude if raising and the difference is high + if ((newamplitude[nvoice]>oldamplitude[nvoice])&&((newamplitude[nvoice]-oldamplitude[nvoice])>0.25)){ + rest=10; + if (rest>SOUND_BUFFER_SIZE) rest=SOUND_BUFFER_SIZE; + for (int i=0;ifilterout(&tmpwave[0]); + + //check if the amplitude envelope is finished, if yes, the voice will be fadeout + if (NoteVoicePar[nvoice].AmpEnvelope!=NULL) { + if (NoteVoicePar[nvoice].AmpEnvelope->finished()!=0) + for (i=0;ifinished()!=0) KillVoice(nvoice); + }; + }; + + + //Processing Global parameters + NoteGlobalPar.GlobalFilterL->filterout(&outl[0]); + + if (stereo==0) { + for (i=0;ifilterout(&outr[0]); + + for (i=0;ifinished()!=0) { + for (i=0;irelasekey(); + if (NoteVoicePar[nvoice].FreqEnvelope!=NULL) NoteVoicePar[nvoice].FreqEnvelope->relasekey(); + if (NoteVoicePar[nvoice].FilterEnvelope!=NULL) NoteVoicePar[nvoice].FilterEnvelope->relasekey(); + if (NoteVoicePar[nvoice].FMFreqEnvelope!=NULL) NoteVoicePar[nvoice].FMFreqEnvelope->relasekey(); + if (NoteVoicePar[nvoice].FMAmpEnvelope!=NULL) NoteVoicePar[nvoice].FMAmpEnvelope->relasekey(); + }; + NoteGlobalPar.FreqEnvelope->relasekey(); + NoteGlobalPar.FilterEnvelope->relasekey(); + NoteGlobalPar.AmpEnvelope->relasekey(); + +}; + +/* + * Check if the note is finished + */ +int ADnote::finished(){ + if (NoteEnabled==ON) return(0); + else return(1); +}; + + + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.h new file mode 100644 index 00000000..28c18975 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/ADnote.h @@ -0,0 +1,258 @@ +/* + ZynAddSubFX - a software synthesizer + + ADnote.h - The "additive" synthesizer + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef AD_NOTE_H +#define AD_NOTE_H + +#include "../globals.h" +#include "Envelope.h" +#include "LFO.h" +#include "../DSP/Filter.h" +#include "../Params/ADnoteParameters.h" +#include "../Params/Controller.h" + +//Globals + +//FM amplitude tune +#define FM_AMP_MULTIPLIER 14.71280603 + +#define OSCIL_SMP_EXTRA_SAMPLES 5 + +class ADnote{ //ADDitive note + public: + ADnote(ADnoteParameters *pars,Controller *ctl_,REALTYPE freq,REALTYPE velocity,int portamento_,int midinote_); + ~ADnote(); + int noteout(REALTYPE *outl,REALTYPE *outr); + void relasekey(); + int finished(); + + + /*ready - this is 0 if it is not ready (the parameters has to be computed) + or other value if the parameters has been computed and if it is ready to output*/ + char ready; + + private: + + void setfreq(int nvoice,REALTYPE freq); + void setfreqFM(int nvoice,REALTYPE freq); + void computecurrentparameters(); + void initparameters(); + void KillVoice(int nvoice); + void KillNote(); + inline REALTYPE getvoicebasefreq(int nvoice); + inline REALTYPE getFMvoicebasefreq(int nvoice); + inline void ComputeVoiceOscillator_LinearInterpolation(int nvoice); + inline void ComputeVoiceOscillator_CubicInterpolation(int nvoice); + inline void ComputeVoiceOscillatorMorph(int nvoice); + inline void ComputeVoiceOscillatorRingModulation(int nvoice); + inline void ComputeVoiceOscillatorFrequencyModulation(int nvoice,int FMmode);//FMmode=0 for phase modulation, 1 for Frequency modulation +// inline void ComputeVoiceOscillatorFrequencyModulation(int nvoice); + inline void ComputeVoiceOscillatorPitchModulation(int nvoice); + + inline void ComputeVoiceNoise(int nvoice); + + inline void fadein(REALTYPE *smps); + + + //GLOBALS + ADnoteParameters *partparams; + unsigned char stereo;//if the note is stereo (allows note Panning) + int midinote; + REALTYPE velocity,basefreq; + + ONOFFTYPE NoteEnabled; + Controller *ctl; + + /*****************************************************************/ + /* GLOBAL PARAMETERS */ + /*****************************************************************/ + + struct ADnoteGlobal{ + /****************************************** + * FREQUENCY GLOBAL PARAMETERS * + ******************************************/ + REALTYPE Detune;//cents + + Envelope *FreqEnvelope; + LFO *FreqLfo; + + /******************************************** + * AMPLITUDE GLOBAL PARAMETERS * + ********************************************/ + REALTYPE Volume;// [ 0 .. 1 ] + + REALTYPE Panning;// [ 0 .. 1 ] + + Envelope *AmpEnvelope; + LFO *AmpLfo; + + struct { + int Enabled; + REALTYPE initialvalue,dt,t; + } Punch; + + /****************************************** + * FILTER GLOBAL PARAMETERS * + ******************************************/ + Filter *GlobalFilterL,*GlobalFilterR; + + REALTYPE FilterCenterPitch;//octaves + REALTYPE FilterQ; + REALTYPE FilterFreqTracking; + + Envelope *FilterEnvelope; + + LFO *FilterLfo; + } NoteGlobalPar; + + + + /***********************************************************/ + /* VOICE PARAMETERS */ + /***********************************************************/ + struct ADnoteVoice{ + /* If the voice is enabled */ + ONOFFTYPE Enabled; + + /* Voice Type (sound/noise)*/ + int noisetype; + + /* Filter Bypass */ + int filterbypass; + + /* Delay (ticks) */ + int DelayTicks; + + /* Waveform of the Voice */ + REALTYPE *OscilSmp; + + /************************************ + * FREQUENCY PARAMETERS * + ************************************/ + int fixedfreq;//if the frequency is fixed to 440 Hz + int fixedfreqET;//if the "fixed" frequency varies according to the note (ET) + + // cents = basefreq*VoiceDetune + REALTYPE Detune,FineDetune; + + Envelope *FreqEnvelope; + LFO *FreqLfo; + + + /*************************** + * AMPLITUDE PARAMETERS * + ***************************/ + + /* Panning 0.0=left, 0.5 - center, 1.0 = right */ + REALTYPE Panning; + REALTYPE Volume;// [-1.0 .. 1.0] + + Envelope *AmpEnvelope; + LFO *AmpLfo; + + /************************* + * FILTER PARAMETERS * + *************************/ + + Filter *VoiceFilter; + + REALTYPE FilterCenterPitch;/* Filter center Pitch*/ + REALTYPE FilterFreqTracking; + + Envelope *FilterEnvelope; + LFO *FilterLfo; + + + /**************************** + * MODULLATOR PARAMETERS * + ****************************/ + + FMTYPE FMEnabled; + + int FMVoice; + + // Voice Output used by other voices if use this as modullator + REALTYPE *VoiceOut; + + /* Wave of the Voice */ + REALTYPE *FMSmp; + + REALTYPE FMVolume; + REALTYPE FMDetune; //in cents + + Envelope *FMFreqEnvelope; + Envelope *FMAmpEnvelope; + } NoteVoicePar[NUM_VOICES]; + + + /********************************************************/ + /* INTERNAL VALUES OF THE NOTE AND OF THE VOICES */ + /********************************************************/ + + //time from the start of the note + REALTYPE time; + + //fractional part (skip) + REALTYPE oscposlo[NUM_VOICES],oscfreqlo[NUM_VOICES]; + + //integer part (skip) + int oscposhi[NUM_VOICES],oscfreqhi[NUM_VOICES]; + + //fractional part (skip) of the Modullator + REALTYPE oscposloFM[NUM_VOICES],oscfreqloFM[NUM_VOICES]; + + //integer part (skip) of the Modullator + unsigned short int oscposhiFM[NUM_VOICES],oscfreqhiFM[NUM_VOICES]; + + //used to compute and interpolate the amplitudes of voices and modullators + REALTYPE oldamplitude[NUM_VOICES], + newamplitude[NUM_VOICES], + FMoldamplitude[NUM_VOICES], + FMnewamplitude[NUM_VOICES]; + + //used by Frequency Modulation (for integration) + REALTYPE FMoldsmp[NUM_VOICES]; + + //temporary buffer + REALTYPE *tmpwave; + + //Filter bypass samples + REALTYPE *bypassl,*bypassr; + + //interpolate the amplitudes + REALTYPE globaloldamplitude,globalnewamplitude; + + //1 - if it is the fitst tick (used to fade in the sound) + char firsttick[NUM_VOICES]; + + //1 if the note has portamento + int portamento; + + //how the fine detunes are made bigger or smaller + REALTYPE bandwidthDetuneMultiplier; +}; + +#endif + + + + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.C b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.C new file mode 100644 index 00000000..a0194022 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.C @@ -0,0 +1,165 @@ +/* + ZynAddSubFX - a software synthesizer + + Envelope.C - Envelope implementation + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#include +#include "Envelope.h" + +Envelope::Envelope(EnvelopeParams *envpars,REALTYPE basefreq){ + int i; + envpoints=envpars->Penvpoints; + if (envpoints>MAX_ENVELOPE_POINTS) envpoints=MAX_ENVELOPE_POINTS; + envsustain=(envpars->Penvsustain==0)?-1:envpars->Penvsustain; + forcedrelase=envpars->Pforcedrelease; + envstretch=pow(440.0/basefreq,envpars->Penvstretch/64.0); + linearenvelope=envpars->Plinearenvelope; + + if (envpars->Pfreemode==0) envpars->converttofree(); + + REALTYPE bufferdt=SOUND_BUFFER_SIZE/(REALTYPE)SAMPLE_RATE; + + int mode=envpars->Envmode; + + //for amplitude envelopes + if ((mode==1)&&(linearenvelope==0)) mode=2;//change to log envelope + if ((mode==2)&&(linearenvelope!=0)) mode=1;//change to linear + + for (i=0;igetdt(i)/1000.0*envstretch; + if (tmp>bufferdt) envdt[i]=bufferdt/tmp; + else envdt[i]=2.0;//any value larger than 1 + + switch (mode){ + case 2:envval[i]=(1.0-envpars->Penvval[i]/127.0)*MIN_ENVELOPE_DB; + break; + case 3:envval[i]=(pow(2,6.0*fabs(envpars->Penvval[i]-64.0)/64.0)-1.0)*100.0; + if (envpars->Penvval[i]<64) envval[i]=-envval[i]; + break; + case 4:envval[i]=(envpars->Penvval[i]-64.0)/64.0*6.0;//6 octaves (filtru) + break; + case 5:envval[i]=(envpars->Penvval[i]-64.0)/64.0*10; + break; + default:envval[i]=envpars->Penvval[i]/127.0; + }; + + }; + + envdt[0]=1.0; + + currentpoint=1;//the envelope starts from 1 + keyreleased=0; + t=0.0; + envfinish=0; + inct=envdt[1]; + envoutval=0.0; +}; + +Envelope::~Envelope(){ +}; + + +/* + * Relase the key (note envelope) + */ +void Envelope::relasekey(){ + if (keyreleased==1) return; + keyreleased=1; + if (forcedrelase!=0) t=0.0; +}; + +/* + * Envelope Output + */ +REALTYPE Envelope::envout(){ + REALTYPE out; + + if (envfinish!=0) {//if the envelope is finished + envoutval=envval[envpoints-1]; + return(envoutval); + }; + if ((currentpoint==envsustain+1)&&(keyreleased==0)) {//if it is sustaining now + envoutval=envval[envsustain]; + return(envoutval); + }; + + if ((keyreleased!=0) && (forcedrelase!=0)){//do the forced release + + int tmp=(envsustain<0) ? (envpoints-1):(envsustain+1);//if there is no sustain point, use the last point for release + + if (envdt[tmp]<0.00000001) out=envval[tmp]; + else out=envoutval+(envval[tmp]-envoutval)*t; + t+=envdt[tmp]*envstretch; + + if (t>=1.0) { + currentpoint=envsustain+2; + forcedrelase=0; + t=0.0; + inct=envdt[currentpoint]; + if ((currentpoint>=envpoints)||(envsustain<0)) envfinish=1; + }; + return(out); + }; + if (inct>=1.0) out=envval[currentpoint]; + else out=envval[currentpoint-1]+(envval[currentpoint]-envval[currentpoint-1])*t; + + t+=inct; + if (t>=1.0){ + if (currentpoint>=envpoints-1) envfinish=1; + else currentpoint++; + t=0.0; + inct=envdt[currentpoint]; + }; + + envoutval=out; + return (out); +}; + +/* + * Envelope Output (dB) + */ +REALTYPE Envelope::envout_dB(){ + REALTYPE out; + if (linearenvelope!=0) return (envout()); + + if ((currentpoint==1)&&((keyreleased==0)||(forcedrelase==0))) {//first point is always lineary interpolated + REALTYPE v1=dB2rap(envval[0]); + REALTYPE v2=dB2rap(envval[1]); + out=v1+(v2-v1)*t; + + t+=inct; + if (t>=1.0) { + t=0.0; + inct=envdt[2]; + currentpoint++; + out=v2; + }; + + if (out>0.001) envoutval=rap2dB(out); + else envoutval=-40.0; + } else out=dB2rap(envout()); + + return(out); +}; + +int Envelope::finished(){ + return(envfinish); +}; + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h new file mode 100644 index 00000000..d78eb16d --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Envelope.h @@ -0,0 +1,58 @@ +/* + ZynAddSubFX - a software synthesizer + + Envelope.h - Envelope implementation + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef ENVELOPE_H +#define ENVELOPE_H + +#include +#include "../globals.h" +#include "../Params/EnvelopeParams.h" + +class Envelope{ +public: + Envelope(EnvelopeParams *envpars,REALTYPE basefreq); + ~Envelope(); + void relasekey(); + REALTYPE envout(); + REALTYPE envout_dB(); + int finished();//returns 1 if the envelope is finished +private: + int envpoints; + int envsustain;//"-1" means disabled + REALTYPE envdt[MAX_ENVELOPE_POINTS];//millisecons + REALTYPE envval[MAX_ENVELOPE_POINTS];// [0.0 .. 1.0] + REALTYPE envstretch; + int linearenvelope; + + int currentpoint; //current envelope point (starts from 1) + int forcedrelase; + char keyreleased; //if the key was released + char envfinish; + REALTYPE t; // the time from the last point + REALTYPE inct;// the time increment + REALTYPE envoutval;//used to do the forced release +}; + + +#endif + + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.C b/muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.C new file mode 100644 index 00000000..4ae548c1 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.C @@ -0,0 +1,145 @@ +/* + ZynAddSubFX - a software synthesizer + + LFO.C - LFO implementation + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#include +#include +#include + +#include "LFO.h" + + +LFO::LFO(LFOParams *lfopars,REALTYPE basefreq){ + if (lfopars->Pstretch==0) lfopars->Pstretch=1; + REALTYPE lfostretch=pow(basefreq/440.0,(lfopars->Pstretch-64.0)/63.0);//max 2x/octave + + REALTYPE lfofreq=(pow(2,lfopars->Pfreq*10.0)-1.0)/12.0*lfostretch; + incx=fabs(lfofreq)*(REALTYPE)SOUND_BUFFER_SIZE/(REALTYPE)SAMPLE_RATE; + + if (lfopars->Pcontinous==0){ + if (lfopars->Pstartphase==0) x=RND; + else x=fmod((lfopars->Pstartphase-64.0)/127.0+1.0,1.0); + } else { + REALTYPE tmp=fmod(lfopars->time*incx,1.0); + x=fmod((lfopars->Pstartphase-64.0)/127.0+1.0+tmp,1.0); + }; + + //Limit the Frequency(or else...) + if (incx>0.49999999) incx=0.499999999; + + + lfornd=lfopars->Prandomness/127.0; + if (lfornd<0.0) lfornd=0.0; else if (lfornd>1.0) lfornd=1.0; + +// lfofreqrnd=pow(lfopars->Pfreqrand/127.0,2.0)*2.0*4.0; + lfofreqrnd=pow(lfopars->Pfreqrand/127.0,2.0)*4.0; + + switch (lfopars->fel){ + case 1:lfointensity=lfopars->Pintensity/127.0;break; + case 2:lfointensity=lfopars->Pintensity/127.0*4.0;break;//in octave + default:lfointensity=pow(2,lfopars->Pintensity/127.0*11.0)-1.0;//in centi + x-=0.25;//chance the starting phase + break; + }; + + amp1=(1-lfornd)+lfornd*RND; + amp2=(1-lfornd)+lfornd*RND; + lfotype=lfopars->PLFOtype; + lfodelay=lfopars->Pdelay/127.0*4.0;//0..4 sec + incrnd=nextincrnd=1.0; + freqrndenabled=(lfopars->Pfreqrand!=0); + computenextincrnd(); + computenextincrnd();//twice because I want incrnd & nextincrnd to be random +}; + +LFO::~LFO(){ +}; + +/* + * LFO out + */ +REALTYPE LFO::lfoout(){ + REALTYPE out; + switch (lfotype){ + case 1: //LFO_TRIANGLE + if ((x>=0.0)&&(x<0.25)) out=4.0*x; + else if ((x>0.25)&&(x<0.75)) out=2-4*x; + else out=4.0*x-4.0; + break; + case 2: //LFO_SQUARE + if (x<0.5) out=-1; + else out=1; + break; + case 3: //LFO_RAMPUP + out=(x-0.5)*2.0; + break; + case 4: //LFO_RAMPDOWN + out=(0.5-x)*2.0; + break; + case 5: //LFO_EXP_DOWN 1 + out=pow(0.05,x)*2.0-1.0; + break; + case 6: //LFO_EXP_DOWN 2 + out=pow(0.001,x)*2.0-1.0; + break; + default:out=cos(x*2.0*PI);//LFO_SINE + }; + + + if ((lfotype==0)||(lfotype==1)) out*=lfointensity*(amp1+x*(amp2-amp1)); + else out*=lfointensity*amp2; + if (lfodelay<0.00001) { + if (freqrndenabled==0) x+=incx; + else { + float tmp=(incrnd*(1.0-x)+nextincrnd*x); + if (tmp>1.0) tmp=1.0; + else if (tmp<0.0) tmp=0.0; + x+=incx*tmp; + }; + if (x>=1) { + x=fmod(x,1.0); + amp1=amp2; + amp2=(1-lfornd)+lfornd*RND; + + computenextincrnd(); + }; + } else lfodelay-=(REALTYPE)SOUND_BUFFER_SIZE/(REALTYPE)SAMPLE_RATE; + return(out); +}; + +/* + * LFO out (for amplitude) + */ +REALTYPE LFO::amplfoout(){ + REALTYPE out; + out=1.0-lfointensity+lfoout(); + if (out<-1.0) out=-1.0; + else if (out>1.0) out=1.0; + return(out); +}; + + +void LFO::computenextincrnd(){ + if (freqrndenabled==0) return; + incrnd=nextincrnd; + nextincrnd=pow(0.5,lfofreqrnd)+RND*(pow(2.0,lfofreqrnd)-1.0); +}; + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.h new file mode 100644 index 00000000..30d04f10 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/LFO.h @@ -0,0 +1,52 @@ +/* + ZynAddSubFX - a software synthesizer + + LFO.h - LFO implementation + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef LFO_H +#define LFO_H + +#include "../globals.h" +#include "../Params/LFOParams.h" + + +class LFO{ + public: + LFO(LFOParams *lfopars, REALTYPE basefreq); + ~LFO(); + REALTYPE lfoout(); + REALTYPE amplfoout(); + private: + REALTYPE x; + REALTYPE incx,incrnd,nextincrnd; + REALTYPE amp1,amp2;// used for randomness + REALTYPE lfointensity; + REALTYPE lfornd,lfofreqrnd; + REALTYPE lfodelay; + char lfotype; + int freqrndenabled; + + + void computenextincrnd(); + +}; + + +#endif diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.C b/muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.C new file mode 100644 index 00000000..4e6a4dd3 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.C @@ -0,0 +1,1182 @@ +/* + ZynAddSubFX - a software synthesizer + + OscilGen.C - Waveform generator for ADnote + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#include +#include +#include + +#include "OscilGen.h" +#include "../Effects/Distorsion.h" + +REALTYPE *OscilGen::tmpsmps;//this array stores some termporary data and it has SOUND_BUFFER_SIZE elements +FFTFREQS OscilGen::outoscilFFTfreqs; + + +OscilGen::OscilGen(FFTwrapper *fft_,Resonance *res_):Presets(){ + setpresettype("Poscilgen"); + fft=fft_; + res=res_; + newFFTFREQS(&oscilFFTfreqs,OSCIL_SIZE/2); + newFFTFREQS(&basefuncFFTfreqs,OSCIL_SIZE/2); + + randseed=1; + ADvsPAD=false; + + defaults(); +}; + +OscilGen::~OscilGen(){ + deleteFFTFREQS(&basefuncFFTfreqs); + deleteFFTFREQS(&oscilFFTfreqs); +}; + + +void OscilGen::defaults(){ + + oldbasefunc=0;oldbasepar=64;oldhmagtype=0;oldwaveshapingfunction=0;oldwaveshaping=64; + oldbasefuncmodulation=0;oldharmonicshift=0;oldbasefuncmodulationpar1=0;oldbasefuncmodulationpar2=0;oldbasefuncmodulationpar3=0; + oldmodulation=0;oldmodulationpar1=0;oldmodulationpar2=0;oldmodulationpar3=0; + + for (int i=0;ismps2freqs(oscil,freqs); + delete(fft); + + REALTYPE max=0.0; + + mag[0]=0; + phase[0]=0; + for (int i=0;i127) Phphase[i]=127; + + if (Phmag[i]==64) Phphase[i]=64; + }; + deleteFFTFREQS(&freqs); + prepare(); +}; + +/* + * Base Functions - START + */ +REALTYPE OscilGen::basefunc_pulse(REALTYPE x,REALTYPE a){ + return((fmod(x,1.0)0.99999) a=0.99999; + x=fmod(x,1); + if (x1.0) x=1.0; + return(x); +}; + +REALTYPE OscilGen::basefunc_power(REALTYPE x,REALTYPE a){ + x=fmod(x,1); + if (a<0.00001) a=0.00001; + else if (a>0.99999) a=0.99999; + return(pow(x,exp((a-0.5)*10.0))*2.0-1.0); +}; + +REALTYPE OscilGen::basefunc_gauss(REALTYPE x,REALTYPE a){ + x=fmod(x,1)*2.0-1.0; + if (a<0.00001) a=0.00001; + return(exp(-x*x*(exp(a*8)+5.0))*2.0-1.0); +}; + +REALTYPE OscilGen::basefunc_diode(REALTYPE x,REALTYPE a){ + if (a<0.00001) a=0.00001; + else if (a>0.99999) a=0.99999; + a=a*2.0-1.0; + x=cos((x+0.5)*2.0*PI)-a; + if (x<0.0) x=0.0; + return(x/(1.0-a)*2-1.0); +}; + +REALTYPE OscilGen::basefunc_abssine(REALTYPE x,REALTYPE a){ + x=fmod(x,1); + if (a<0.00001) a=0.00001; + else if (a>0.99999) a=0.99999; + return(sin(pow(x,exp((a-0.5)*5.0))*PI)*2.0-1.0); +}; + +REALTYPE OscilGen::basefunc_pulsesine(REALTYPE x,REALTYPE a){ + if (a<0.00001) a=0.00001; + x=(fmod(x,1)-0.5)*exp((a-0.5)*log(128)); + if (x<-0.5) x=-0.5; + else if (x>0.5) x=0.5; + x=sin(x*PI*2.0); + return(x); +}; + +REALTYPE OscilGen::basefunc_stretchsine(REALTYPE x,REALTYPE a){ + x=fmod(x+0.5,1)*2.0-1.0; + a=(a-0.5)*4;if (a>0.0) a*=2; + a=pow(3.0,a); + REALTYPE b=pow(fabs(x),a); + if (x<0) b=-b; + return(-sin(b*PI)); +}; + +REALTYPE OscilGen::basefunc_chirp(REALTYPE x,REALTYPE a){ + x=fmod(x,1.0)*2.0*PI; + a=(a-0.5)*4;if (a<0.0) a*=2.0; + a=pow(3.0,a); + return(sin(x/2.0)*sin(a*x*x)); +}; + +REALTYPE OscilGen::basefunc_absstretchsine(REALTYPE x,REALTYPE a){ + x=fmod(x+0.5,1)*2.0-1.0; + a=(a-0.5)*9; + a=pow(3.0,a); + REALTYPE b=pow(fabs(x),a); + if (x<0) b=-b; + return(-pow(sin(b*PI),2)); +}; + +REALTYPE OscilGen::basefunc_chebyshev(REALTYPE x,REALTYPE a){ + a=a*a*a*30.0+1.0; + return(cos(acos(x*2.0-1.0)*a)); +}; + +REALTYPE OscilGen::basefunc_sqr(REALTYPE x,REALTYPE a){ + a=a*a*a*a*160.0+0.001; + return(-atan(sin(x*2.0*PI)*a)); +}; +/* + * Base Functions - END + */ + + +/* + * Get the base function + */ +void OscilGen::getbasefunction(REALTYPE *smps){ + int i; + REALTYPE par=(Pbasefuncpar+0.5)/128.0; + if (Pbasefuncpar==64) par=0.5; + + REALTYPE basefuncmodulationpar1=Pbasefuncmodulationpar1/127.0, + basefuncmodulationpar2=Pbasefuncmodulationpar2/127.0, + basefuncmodulationpar3=Pbasefuncmodulationpar3/127.0; + + switch(Pbasefuncmodulation){ + case 1:basefuncmodulationpar1=(pow(2,basefuncmodulationpar1*5.0)-1.0)/10.0; + basefuncmodulationpar3=floor((pow(2,basefuncmodulationpar3*5.0)-1.0)); + if (basefuncmodulationpar3<0.9999) basefuncmodulationpar3=-1.0; + break; + case 2:basefuncmodulationpar1=(pow(2,basefuncmodulationpar1*5.0)-1.0)/10.0; + basefuncmodulationpar3=1.0+floor((pow(2,basefuncmodulationpar3*5.0)-1.0)); + break; + case 3:basefuncmodulationpar1=(pow(2,basefuncmodulationpar1*7.0)-1.0)/10.0; + basefuncmodulationpar3=0.01+(pow(2,basefuncmodulationpar3*16.0)-1.0)/10.0; + break; + }; + +// printf("%.5f %.5f\n",basefuncmodulationpar1,basefuncmodulationpar3); + + for (i=0;ipow(2,(1.0-par)*10)?0.0:1.0)*par2+(1.0-par2);//lp2 + break; + case 7: tmp=pow(par2,0.33); + //tmp=1.0-(1.0-par2)*(1.0-par2); + gain=(i+1>pow(2,(1.0-par)*7)?1.0:0.0)*par2+(1.0-par2);//hp2 + if (Pfilterpar1==0) gain=1.0; + break; + case 8: tmp=pow(par2,0.33); + //tmp=1.0-(1.0-par2)*(1.0-par2); + gain=(fabs(pow(2,(1.0-par)*7)-i)>i/2+1?0.0:1.0)*par2+(1.0-par2);//bp2 + break; + case 9: tmp=pow(par2,0.33); + gain=(fabs(pow(2,(1.0-par)*7)-i)1.0) x=1.0; + tmp=pow(1.0-par2,2.0); + gain=cos(x*PI)*(1.0-tmp)+1.01+tmp;//low shelf + break; + case 13:tmp=(int) (pow(2.0,(1.0-par)*7.2)); + gain=1.0; + if (i==(int) (tmp)) gain=pow(2.0,par2*par2*8.0); + break; + }; + + + oscilFFTfreqs.s[i]*=gain; + oscilFFTfreqs.c[i]*=gain; + REALTYPE tmp=oscilFFTfreqs.s[i]*oscilFFTfreqs.s[i]+ + oscilFFTfreqs.c[i]*oscilFFTfreqs.c[i]; + if (maxsmps2freqs(tmpsmps,basefuncFFTfreqs); + basefuncFFTfreqs.c[0]=0.0; + } else { + for (int i=0;ifreqs2smps(oscilFFTfreqs,tmpsmps); + + //Normalize + REALTYPE max=0.0; + for (i=0;ismps2freqs(tmpsmps,oscilFFTfreqs);//perform FFT +}; + + +/* + * Do the Frequency Modulation of the Oscil + */ +void OscilGen::modulation(){ + int i; + + oldmodulation=Pmodulation; + oldmodulationpar1=Pmodulationpar1; + oldmodulationpar2=Pmodulationpar2; + oldmodulationpar3=Pmodulationpar3; + if (Pmodulation==0) return; + + + REALTYPE modulationpar1=Pmodulationpar1/127.0, + modulationpar2=0.5-Pmodulationpar2/127.0, + modulationpar3=Pmodulationpar3/127.0; + + switch(Pmodulation){ + case 1:modulationpar1=(pow(2,modulationpar1*7.0)-1.0)/100.0; + modulationpar3=floor((pow(2,modulationpar3*5.0)-1.0)); + if (modulationpar3<0.9999) modulationpar3=-1.0; + break; + case 2:modulationpar1=(pow(2,modulationpar1*7.0)-1.0)/100.0; + modulationpar3=1.0+floor((pow(2,modulationpar3*5.0)-1.0)); + break; + case 3:modulationpar1=(pow(2,modulationpar1*9.0)-1.0)/100.0; + modulationpar3=0.01+(pow(2,modulationpar3*16.0)-1.0)/10.0; + break; + }; + + oscilFFTfreqs.c[0]=0.0;//remove the DC + //reduce the amplitude of the freqs near the nyquist + for (i=1;ifreqs2smps(oscilFFTfreqs,tmpsmps); + int extra_points=2; + REALTYPE *in=new REALTYPE[OSCIL_SIZE+extra_points]; + + //Normalize + REALTYPE max=0.0; + for (i=0;ismps2freqs(tmpsmps,oscilFFTfreqs);//perform FFT +}; + + + +/* + * Adjust the spectrum + */ +void OscilGen::spectrumadjust(){ + if (Psatype==0) return; + REALTYPE par=Psapar/127.0; + switch(Psatype){ + case 1: par=1.0-par*2.0; + if (par>=0.0) par=pow(5.0,par); + else par=pow(8.0,par); + break; + case 2: par=pow(10.0,(1.0-par)*3.0)*0.25; + break; + case 3: par=pow(10.0,(1.0-par)*3.0)*0.25; + break; + }; + + + REALTYPE max=0.0; + for (int i=0;i1.0) mag=1.0; + break; + }; + oscilFFTfreqs.c[i]=mag*cos(phase); + oscilFFTfreqs.s[i]=mag*sin(phase); + }; + +}; + +void OscilGen::shiftharmonics(){ + if (Pharmonicshift==0) return; + + REALTYPE hc,hs; + int harmonicshift=-Pharmonicshift; + + if (harmonicshift>0){ + for (int i=OSCIL_SIZE/2-2;i>=0;i--){ + int oldh=i-harmonicshift; + if (oldh<0){ + hc=0.0; + hs=0.0; + } else { + hc=oscilFFTfreqs.c[oldh+1]; + hs=oscilFFTfreqs.s[oldh+1]; + }; + oscilFFTfreqs.c[i+1]=hc; + oscilFFTfreqs.s[i+1]=hs; + }; + } else { + for (int i=0;i=(OSCIL_SIZE/2-1)){ + hc=0.0; + hs=0.0; + } else { + hc=oscilFFTfreqs.c[oldh+1]; + hs=oscilFFTfreqs.s[oldh+1]; + if (fabs(hc)<0.000001) hc=0.0; + if (fabs(hs)<0.000001) hs=0.0; + }; + + oscilFFTfreqs.c[i+1]=hc; + oscilFFTfreqs.s[i+1]=hs; + }; + }; + + oscilFFTfreqs.c[0]=0.0; +}; + +/* + * Prepare the Oscillator + */ +void OscilGen::prepare(){ + int i,j,k; + REALTYPE a,b,c,d,hmagnew; + + if ((oldbasepar!=Pbasefuncpar)||(oldbasefunc!=Pcurrentbasefunc)|| + (oldbasefuncmodulation!=Pbasefuncmodulation)|| + (oldbasefuncmodulationpar1!=Pbasefuncmodulationpar1)|| + (oldbasefuncmodulationpar2!=Pbasefuncmodulationpar2)|| + (oldbasefuncmodulationpar3!=Pbasefuncmodulationpar3)) + changebasefunction(); + + for (i=0;i=OSCIL_SIZE/2) break; + a=basefuncFFTfreqs.c[i]; + b=basefuncFFTfreqs.s[i]; + c=hmag[j]*cos(hphase[j]*k); + d=hmag[j]*sin(hphase[j]*k); + oscilFFTfreqs.c[k]+=a*c-b*d; + oscilFFTfreqs.s[k]+=a*d+b*c; + }; + }; + + }; + + if (Pharmonicshiftfirst!=0) shiftharmonics(); + + + + if (Pfilterbeforews==0){ + waveshape(); + oscilfilter(); + } else { + oscilfilter(); + waveshape(); + }; + + modulation(); + spectrumadjust(); + if (Pharmonicshiftfirst==0) shiftharmonics(); + + oscilFFTfreqs.c[0]=0.0; + + oldhmagtype=Phmagtype; + oldharmonicshift=Pharmonicshift+Pharmonicshiftfirst*256; + + oscilprepared=1; +}; + +void OscilGen::adaptiveharmonic(FFTFREQS f,REALTYPE freq){ + if ((Padaptiveharmonics==0)/*||(freq<1.0)*/) return; + if (freq<1.0) freq=440.0; + + FFTFREQS inf; + newFFTFREQS(&inf,OSCIL_SIZE/2); + for (int i=0;i1.0) { + rap=1.0/rap; + down=true; + }; + + for (int i=0;i=(OSCIL_SIZE/2-2)){ + break; + } else { + if (down){ + f.c[high]+=inf.c[i]*(1.0-low); + f.s[high]+=inf.s[i]*(1.0-low); + f.c[high+1]+=inf.c[i]*low; + f.s[high+1]+=inf.s[i]*low; + } else { + hc=inf.c[high]*(1.0-low)+inf.c[high+1]*low; + hs=inf.s[high]*(1.0-low)+inf.s[high+1]*low; + }; + if (fabs(hc)<0.000001) hc=0.0; + if (fabs(hs)<0.000001) hs=0.0; + }; + + if (!down){ + if (i==0) {//corect the aplitude of the first harmonic + hc*=rap; + hs*=rap; + }; + f.c[i]=hc; + f.s[i]=hs; + }; + }; + + f.c[1]+=f.c[0];f.s[1]+=f.s[0]; + f.c[0]=0.0;f.s[0]=0.0; + deleteFFTFREQS(&inf); +}; + +void OscilGen::adaptiveharmonicpostprocess(REALTYPE *f,int size){ + if (Padaptiveharmonics<=1) return; + REALTYPE *inf=new REALTYPE[size]; + REALTYPE par=Padaptiveharmonicspar*0.01; + par=1.0-pow((1.0-par),1.5); + + for (int i=0;iget(smps,freqHz,0)); +}; + +void OscilGen::newrandseed(unsigned int randseed){ + this->randseed=randseed; +}; + +/* + * Get the oscillator function + */ +short int OscilGen::get(REALTYPE *smps,REALTYPE freqHz,int resonance){ + int i; + int nyquist,outpos; + + if ((oldbasepar!=Pbasefuncpar)||(oldbasefunc!=Pcurrentbasefunc)||(oldhmagtype!=Phmagtype) + ||(oldwaveshaping!=Pwaveshaping)||(oldwaveshapingfunction!=Pwaveshapingfunction)) oscilprepared=0; + if (oldfilterpars!=Pfiltertype*256+Pfilterpar1+Pfilterpar2*65536+Pfilterbeforews*16777216){ + oscilprepared=0; + oldfilterpars=Pfiltertype*256+Pfilterpar1+Pfilterpar2*65536+Pfilterbeforews*16777216; + }; + if (oldsapars!=Psatype*256+Psapar){ + oscilprepared=0; + oldsapars=Psatype*256+Psapar; + }; + + if ((oldbasefuncmodulation!=Pbasefuncmodulation)|| + (oldbasefuncmodulationpar1!=Pbasefuncmodulationpar1)|| + (oldbasefuncmodulationpar2!=Pbasefuncmodulationpar2)|| + (oldbasefuncmodulationpar3!=Pbasefuncmodulationpar3)) + oscilprepared=0; + + if ((oldmodulation!=Pmodulation)|| + (oldmodulationpar1!=Pmodulationpar1)|| + (oldmodulationpar2!=Pmodulationpar2)|| + (oldmodulationpar3!=Pmodulationpar3)) + oscilprepared=0; + + if (oldharmonicshift!=Pharmonicshift+Pharmonicshiftfirst*256) oscilprepared=0; + + if (oscilprepared!=1) prepare(); + + outpos=(int)((RND*2.0-1.0)*(REALTYPE) OSCIL_SIZE*(Prand-64.0)/64.0); + outpos=(outpos+2*OSCIL_SIZE) % OSCIL_SIZE; + + + for (i=0;iOSCIL_SIZE/2) nyquist=OSCIL_SIZE/2; + + + int realnyquist=nyquist; + + if (Padaptiveharmonics!=0) nyquist=OSCIL_SIZE/2; + for (i=1;i64)&&(freqHz>=0.0)&&(!ADvsPAD)){ + REALTYPE rnd,angle,a,b,c,d; + rnd=PI*pow((Prand-64.0)/64.0,2.0); + for (i=1;i0.1)&&(!ADvsPAD)) { + unsigned int realrnd=rand(); + srand(randseed); + REALTYPE power=Pamprandpower/127.0; + REALTYPE normalize=1.0/(1.2-power); + switch (Pamprandtype){ + case 1: power=power*2.0-0.5; + power=pow(15.0,power); + for (i=1;i0.1)&&(resonance!=0)) res->applyres(nyquist-1,outoscilFFTfreqs,freqHz); + + //Full RMS normalize + REALTYPE sum=0; + for (int j=1;j0.1)){//in this case the smps will contain the freqs + for (i=1;ifreqs2smps(outoscilFFTfreqs,smps); + for (i=0;iOSCIL_SIZE/2) n=OSCIL_SIZE/2; + + for (int i=1;ifreqs2smps(basefuncFFTfreqs,smps); + } else getbasefunction(smps);//the sine case +}; + + +void OscilGen::add2XML(XMLwrapper *xml){ + xml->addpar("harmonic_mag_type",Phmagtype); + + xml->addpar("base_function",Pcurrentbasefunc); + xml->addpar("base_function_par",Pbasefuncpar); + xml->addpar("base_function_modulation",Pbasefuncmodulation); + xml->addpar("base_function_modulation_par1",Pbasefuncmodulationpar1); + xml->addpar("base_function_modulation_par2",Pbasefuncmodulationpar2); + xml->addpar("base_function_modulation_par3",Pbasefuncmodulationpar3); + + xml->addpar("modulation",Pmodulation); + xml->addpar("modulation_par1",Pmodulationpar1); + xml->addpar("modulation_par2",Pmodulationpar2); + xml->addpar("modulation_par3",Pmodulationpar3); + + xml->addpar("wave_shaping",Pwaveshaping); + xml->addpar("wave_shaping_function",Pwaveshapingfunction); + + xml->addpar("filter_type",Pfiltertype); + xml->addpar("filter_par1",Pfilterpar1); + xml->addpar("filter_par2",Pfilterpar2); + xml->addpar("filter_before_wave_shaping",Pfilterbeforews); + + xml->addpar("spectrum_adjust_type",Psatype); + xml->addpar("spectrum_adjust_par",Psapar); + + xml->addpar("rand",Prand); + xml->addpar("amp_rand_type",Pamprandtype); + xml->addpar("amp_rand_power",Pamprandpower); + + xml->addpar("harmonic_shift",Pharmonicshift); + xml->addparbool("harmonic_shift_first",Pharmonicshiftfirst); + + xml->addpar("adaptive_harmonics",Padaptiveharmonics); + xml->addpar("adaptive_harmonics_base_frequency",Padaptiveharmonicsbasefreq); + xml->addpar("adaptive_harmonics_power",Padaptiveharmonicspower); + + xml->beginbranch("HARMONICS"); + for (int n=0;nbeginbranch("HARMONIC",n+1); + xml->addpar("mag",Phmag[n]); + xml->addpar("phase",Phphase[n]); + xml->endbranch(); + }; + xml->endbranch(); + + if (Pcurrentbasefunc==127){ + REALTYPE max=0.0; + + for (int i=0;ibeginbranch("BASE_FUNCTION"); + for (int i=1;i0.00001)&&(fabs(xs)>0.00001)){ + xml->beginbranch("BF_HARMONIC",i); + xml->addparreal("cos",xc); + xml->addparreal("sin",xs); + xml->endbranch(); + }; + }; + xml->endbranch(); + }; +}; + + +void OscilGen::getfromXML(XMLwrapper *xml){ + + Phmagtype=xml->getpar127("harmonic_mag_type",Phmagtype); + + Pcurrentbasefunc=xml->getpar127("base_function",Pcurrentbasefunc); + Pbasefuncpar=xml->getpar127("base_function_par",Pbasefuncpar); + + Pbasefuncmodulation=xml->getpar127("base_function_modulation",Pbasefuncmodulation); + Pbasefuncmodulationpar1=xml->getpar127("base_function_modulation_par1",Pbasefuncmodulationpar1); + Pbasefuncmodulationpar2=xml->getpar127("base_function_modulation_par2",Pbasefuncmodulationpar2); + Pbasefuncmodulationpar3=xml->getpar127("base_function_modulation_par3",Pbasefuncmodulationpar3); + + Pmodulation=xml->getpar127("modulation",Pmodulation); + Pmodulationpar1=xml->getpar127("modulation_par1",Pmodulationpar1); + Pmodulationpar2=xml->getpar127("modulation_par2",Pmodulationpar2); + Pmodulationpar3=xml->getpar127("modulation_par3",Pmodulationpar3); + + Pwaveshaping=xml->getpar127("wave_shaping",Pwaveshaping); + Pwaveshapingfunction=xml->getpar127("wave_shaping_function",Pwaveshapingfunction); + + Pfiltertype=xml->getpar127("filter_type",Pfiltertype); + Pfilterpar1=xml->getpar127("filter_par1",Pfilterpar1); + Pfilterpar2=xml->getpar127("filter_par2",Pfilterpar2); + Pfilterbeforews=xml->getpar127("filter_before_wave_shaping",Pfilterbeforews); + + Psatype=xml->getpar127("spectrum_adjust_type",Psatype); + Psapar=xml->getpar127("spectrum_adjust_par",Psapar); + + Prand=xml->getpar127("rand",Prand); + Pamprandtype=xml->getpar127("amp_rand_type",Pamprandtype); + Pamprandpower=xml->getpar127("amp_rand_power",Pamprandpower); + + Pharmonicshift=xml->getpar("harmonic_shift",Pharmonicshift,-64,64); + Pharmonicshiftfirst=xml->getparbool("harmonic_shift_first",Pharmonicshiftfirst); + + Padaptiveharmonics=xml->getpar("adaptive_harmonics",Padaptiveharmonics,0,127); + Padaptiveharmonicsbasefreq=xml->getpar("adaptive_harmonics_base_frequency",Padaptiveharmonicsbasefreq,0,255); + Padaptiveharmonicspower=xml->getpar("adaptive_harmonics_power",Padaptiveharmonicspower,0,200); + + + if (xml->enterbranch("HARMONICS")){ + Phmag[0]=64;Phphase[0]=64; + for (int n=0;nenterbranch("HARMONIC",n+1)==0) continue; + Phmag[n]=xml->getpar127("mag",64); + Phphase[n]=xml->getpar127("phase",64); + xml->exitbranch(); + }; + xml->exitbranch(); + }; + + if (Pcurrentbasefunc!=0) changebasefunction(); + + + if (xml->enterbranch("BASE_FUNCTION")){ + for (int i=1;ienterbranch("BF_HARMONIC",i)){ + basefuncFFTfreqs.c[i]=xml->getparreal("cos",0.0); + basefuncFFTfreqs.s[i]=xml->getparreal("sin",0.0); + xml->exitbranch(); + }; + + + }; + xml->exitbranch(); + + REALTYPE max=0.0; + + basefuncFFTfreqs.c[0]=0.0; + for (int i=0;i +#include "PADnote.h" +#include "../Misc/Config.h" + +PADnote::PADnote(PADnoteParameters *parameters, Controller *ctl_,REALTYPE freq, REALTYPE velocity, int portamento_, int midinote){ + ready=0; + pars=parameters; + portamento=portamento_; + ctl=ctl_; + this->velocity=velocity; + finished_=false; + + + if (pars->Pfixedfreq==0) basefreq=freq; + else { + basefreq=440.0; + int fixedfreqET=pars->PfixedfreqET; + if (fixedfreqET!=0) {//if the frequency varies according the keyboard note + REALTYPE tmp=(midinote-69.0)/12.0*(pow(2.0,(fixedfreqET-1)/63.0)-1.0); + if (fixedfreqET<=64) basefreq*=pow(2.0,tmp); + else basefreq*=pow(3.0,tmp); + }; + + }; + + firsttime=true; + released=false; + realfreq=basefreq; + NoteGlobalPar.Detune=getdetune(pars->PDetuneType + ,pars->PCoarseDetune,pars->PDetune); + + + //find out the closest note + REALTYPE logfreq=log(basefreq*pow(2.0,NoteGlobalPar.Detune/1200.0)); + REALTYPE mindist=fabs(logfreq-log(pars->sample[0].basefreq+0.0001)); + nsample=0; + for (int i=1;isample[i].smp==NULL) break; + REALTYPE dist=fabs(logfreq-log(pars->sample[i].basefreq+0.0001)); +// printf("(mindist=%g) %i %g %g\n",mindist,i,dist,pars->sample[i].basefreq); + + if (distsample[nsample].size; + if (size==0) size=1; + + + poshi_l=(int)(RND*(size-1)); + if (pars->PStereo!=0) poshi_r=(poshi_l+size/2)%size; + else poshi_r=poshi_l; + poslo=0.0; + + tmpwave=new REALTYPE [SOUND_BUFFER_SIZE]; + + + + if (pars->PPanning==0) NoteGlobalPar.Panning=RND; + else NoteGlobalPar.Panning=pars->PPanning/128.0; + + NoteGlobalPar.FilterCenterPitch=pars->GlobalFilter->getfreq()+//center freq + pars->PFilterVelocityScale/127.0*6.0* //velocity sensing + (VelF(velocity,pars->PFilterVelocityScaleFunction)-1); + + if (pars->PPunchStrength!=0) { + NoteGlobalPar.Punch.Enabled=1; + NoteGlobalPar.Punch.t=1.0;//start from 1.0 and to 0.0 + NoteGlobalPar.Punch.initialvalue=( (pow(10,1.5*pars->PPunchStrength/127.0)-1.0) + *VelF(velocity,pars->PPunchVelocitySensing) ); + REALTYPE time=pow(10,3.0*pars->PPunchTime/127.0)/10000.0;//0.1 .. 100 ms + REALTYPE stretch=pow(440.0/freq,pars->PPunchStretch/64.0); + NoteGlobalPar.Punch.dt=1.0/(time*SAMPLE_RATE*stretch); + } else NoteGlobalPar.Punch.Enabled=0; + + + + NoteGlobalPar.FreqEnvelope=new Envelope(pars->FreqEnvelope,basefreq); + NoteGlobalPar.FreqLfo=new LFO(pars->FreqLfo,basefreq); + + NoteGlobalPar.AmpEnvelope=new Envelope(pars->AmpEnvelope,basefreq); + NoteGlobalPar.AmpLfo=new LFO(pars->AmpLfo,basefreq); + + NoteGlobalPar.Volume=4.0*pow(0.1,3.0*(1.0-pars->PVolume/96.0))//-60 dB .. 0 dB + *VelF(velocity,pars->PAmpVelocityScaleFunction);//velocity sensing + + NoteGlobalPar.AmpEnvelope->envout_dB();//discard the first envelope output + globaloldamplitude=globalnewamplitude=NoteGlobalPar.Volume*NoteGlobalPar.AmpEnvelope->envout_dB()*NoteGlobalPar.AmpLfo->amplfoout(); + + NoteGlobalPar.GlobalFilterL=new Filter(pars->GlobalFilter); + NoteGlobalPar.GlobalFilterR=new Filter(pars->GlobalFilter); + + NoteGlobalPar.FilterEnvelope=new Envelope(pars->FilterEnvelope,basefreq); + NoteGlobalPar.FilterLfo=new LFO(pars->FilterLfo,basefreq); + NoteGlobalPar.FilterQ=pars->GlobalFilter->getq(); + NoteGlobalPar.FilterFreqTracking=pars->GlobalFilter->getfreqtracking(basefreq); + + ready=1;///sa il pun pe asta doar cand e chiar gata + + if (parameters->sample[nsample].smp==NULL){ + finished_=true; + return; + }; +}; + +PADnote::~PADnote(){ + delete (NoteGlobalPar.FreqEnvelope); + delete (NoteGlobalPar.FreqLfo); + delete (NoteGlobalPar.AmpEnvelope); + delete (NoteGlobalPar.AmpLfo); + delete (NoteGlobalPar.GlobalFilterL); + delete (NoteGlobalPar.GlobalFilterR); + delete (NoteGlobalPar.FilterEnvelope); + delete (NoteGlobalPar.FilterLfo); + delete (tmpwave); +}; + + +inline void PADnote::fadein(REALTYPE *smps){ + int zerocrossings=0; + for (int i=1;i0.0)) zerocrossings++;//this is only the possitive crossings + + REALTYPE tmp=(SOUND_BUFFER_SIZE-1.0)/(zerocrossings+1)/3.0; + if (tmp<8.0) tmp=8.0; + + int n; + F2I(tmp,n);//how many samples is the fade-in + if (n>SOUND_BUFFER_SIZE) n=SOUND_BUFFER_SIZE; + for (int i=0;ienvout()+ + NoteGlobalPar.FreqLfo->lfoout()*ctl->modwheel.relmod+NoteGlobalPar.Detune); + globaloldamplitude=globalnewamplitude; + globalnewamplitude=NoteGlobalPar.Volume*NoteGlobalPar.AmpEnvelope->envout_dB()*NoteGlobalPar.AmpLfo->amplfoout(); + + globalfilterpitch=NoteGlobalPar.FilterEnvelope->envout()+NoteGlobalPar.FilterLfo->lfoout() + +NoteGlobalPar.FilterCenterPitch; + + REALTYPE tmpfilterfreq=globalfilterpitch+ctl->filtercutoff.relfreq + +NoteGlobalPar.FilterFreqTracking; + + tmpfilterfreq=NoteGlobalPar.GlobalFilterL->getrealfreq(tmpfilterfreq); + + REALTYPE globalfilterq=NoteGlobalPar.FilterQ*ctl->filterq.relq; + NoteGlobalPar.GlobalFilterL->setfreq_and_q(tmpfilterfreq,globalfilterq); + NoteGlobalPar.GlobalFilterR->setfreq_and_q(tmpfilterfreq,globalfilterq); + + //compute the portamento, if it is used by this note + REALTYPE portamentofreqrap=1.0; + if (portamento!=0){//this voice use portamento + portamentofreqrap=ctl->portamento.freqrap; + if (ctl->portamento.used==0){//the portamento has finished + portamento=0;//this note is no longer "portamented" + }; + }; + + realfreq=basefreq*portamentofreqrap*pow(2.0,globalpitch/12.0)*ctl->pitchwheel.relfreq; +}; + + +int PADnote::Compute_Linear(REALTYPE *outl,REALTYPE *outr,int freqhi,REALTYPE freqlo){ + REALTYPE *smps=pars->sample[nsample].smp; + if (smps==NULL){ + finished_=true; + return(1); + }; + int size=pars->sample[nsample].size; + for (int i=0;i=1.0){ + poshi_l+=1; + poshi_r+=1; + poslo-=1.0; + }; + if (poshi_l>=size) poshi_l%=size; + if (poshi_r>=size) poshi_r%=size; + + outl[i]=smps[poshi_l]*(1.0-poslo)+smps[poshi_l+1]*poslo; + outr[i]=smps[poshi_r]*(1.0-poslo)+smps[poshi_r+1]*poslo; + }; + return(1); +}; +int PADnote::Compute_Cubic(REALTYPE *outl,REALTYPE *outr,int freqhi,REALTYPE freqlo){ + REALTYPE *smps=pars->sample[nsample].smp; + if (smps==NULL){ + finished_=true; + return(1); + }; + int size=pars->sample[nsample].size; + REALTYPE xm1,x0,x1,x2,a,b,c; + for (int i=0;i=1.0){ + poshi_l+=1; + poshi_r+=1; + poslo-=1.0; + }; + if (poshi_l>=size) poshi_l%=size; + if (poshi_r>=size) poshi_r%=size; + + + //left + xm1=smps[poshi_l]; + x0=smps[poshi_l + 1]; + x1=smps[poshi_l + 2]; + x2=smps[poshi_l + 3]; + a = (3.0 * (x0-x1) - xm1 + x2)*0.5; + b = 2.0*x1 + xm1 - (5.0*x0 + x2)*0.5; + c = (x1 - xm1)*0.5; + outl[i] = (((a * poslo) + b) * poslo + c) * poslo + x0; + //right + xm1=smps[poshi_r]; + x0=smps[poshi_r + 1]; + x1=smps[poshi_r + 2]; + x2=smps[poshi_r + 3]; + a = (3.0 * (x0-x1) - xm1 + x2)*0.5; + b = 2.0*x1 + xm1 - (5.0*x0 + x2)*0.5; + c = (x1 - xm1)*0.5; + outr[i] = (((a * poslo) + b) * poslo + c) * poslo + x0; + }; + return(1); +}; + + +int PADnote::noteout(REALTYPE *outl,REALTYPE *outr){ + computecurrentparameters(); + REALTYPE *smps=pars->sample[nsample].smp; + if (smps==NULL){ + for (int i=0;isample[nsample].basefreq; + + + REALTYPE freqrap=realfreq/smpfreq; + int freqhi=(int) (floor(freqrap)); + REALTYPE freqlo=freqrap-floor(freqrap); + + + if (config.cfg.Interpolation) Compute_Cubic(outl,outr,freqhi,freqlo); + else Compute_Linear(outl,outr,freqhi,freqlo); + + + if (firsttime){ + fadein(outl); + fadein(outr); + firsttime=false; + }; + + NoteGlobalPar.GlobalFilterL->filterout(outl); + NoteGlobalPar.GlobalFilterR->filterout(outr); + + //Apply the punch + if (NoteGlobalPar.Punch.Enabled!=0){ + for (int i=0;ifinished()!=0) { + for (int i=0;irelasekey(); + NoteGlobalPar.FilterEnvelope->relasekey(); + NoteGlobalPar.AmpEnvelope->relasekey(); +}; + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/PADnote.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/PADnote.h new file mode 100644 index 00000000..2a99577f --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/PADnote.h @@ -0,0 +1,106 @@ +/* + ZynAddSubFX - a software synthesizer + + PADnote.h - The "pad" synthesizer + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ +#ifndef PAD_NOTE_H +#define PAD_NOTE_H + +#include "../globals.h" +#include "../Params/PADnoteParameters.h" +#include "../Params/Controller.h" +#include "Envelope.h" +#include "LFO.h" +#include "../DSP/Filter.h" +#include "../Params/Controller.h" + +class PADnote{ + public: + PADnote(PADnoteParameters *parameters, Controller *ctl_,REALTYPE freq, REALTYPE velocity, int portamento_, int midinote); + ~PADnote(); + + int noteout(REALTYPE *outl,REALTYPE *outr); + int finished(); + void relasekey(); + + int ready; + + private: + void fadein(REALTYPE *smps); + void computecurrentparameters(); + bool finished_; + PADnoteParameters *pars; + + int poshi_l,poshi_r; + REALTYPE poslo; + + REALTYPE basefreq; + bool firsttime,released; + + int nsample,portamento; + + int Compute_Linear(REALTYPE *outl,REALTYPE *outr,int freqhi,REALTYPE freqlo); + int Compute_Cubic(REALTYPE *outl,REALTYPE *outr,int freqhi,REALTYPE freqlo); + + + struct{ + /****************************************** + * FREQUENCY GLOBAL PARAMETERS * + ******************************************/ + REALTYPE Detune;//cents + + Envelope *FreqEnvelope; + LFO *FreqLfo; + + /******************************************** + * AMPLITUDE GLOBAL PARAMETERS * + ********************************************/ + REALTYPE Volume;// [ 0 .. 1 ] + + REALTYPE Panning;// [ 0 .. 1 ] + + Envelope *AmpEnvelope; + LFO *AmpLfo; + + struct { + int Enabled; + REALTYPE initialvalue,dt,t; + } Punch; + + /****************************************** + * FILTER GLOBAL PARAMETERS * + ******************************************/ + Filter *GlobalFilterL,*GlobalFilterR; + + REALTYPE FilterCenterPitch;//octaves + REALTYPE FilterQ; + REALTYPE FilterFreqTracking; + + Envelope *FilterEnvelope; + + LFO *FilterLfo; + } NoteGlobalPar; + + + REALTYPE globaloldamplitude,globalnewamplitude,velocity,realfreq; + REALTYPE *tmpwave; + Controller *ctl; +}; + + +#endif diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.C b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.C new file mode 100644 index 00000000..fb741055 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.C @@ -0,0 +1,231 @@ +/* + ZynAddSubFX - a software synthesizer + + Resonance.C - Resonance + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include +#include "Resonance.h" + + +#include + +Resonance::Resonance():Presets(){ + setpresettype("Presonance"); + defaults(); +}; + +Resonance::~Resonance(){ +}; + + +void Resonance::defaults(){ + Penabled=0; + PmaxdB=20; + Pcenterfreq=64;//1 kHz + Poctavesfreq=64; + Pprotectthefundamental=0; + ctlcenter=1.0; + ctlbw=1.0; + for (int i=0;i=N_RES_POINTS)) return; + Prespoints[n]=p; +}; + +/* + * Apply the resonance to FFT data + */ +void Resonance::applyres(int n,FFTFREQS fftdata,REALTYPE freq){ + if (Penabled==0) return;//if the resonance is disabled + REALTYPE sum=0.0, + l1=log(getfreqx(0.0)*ctlcenter), + l2=log(2.0)*getoctavesfreq()*ctlbw; + + for (int i=0;i=N_RES_POINTS) kx1=N_RES_POINTS-1; + int kx2=kx1+1;if (kx2>=N_RES_POINTS) kx2=N_RES_POINTS-1; + REALTYPE y=(Prespoints[kx1]*(1.0-dx)+Prespoints[kx2]*dx)/127.0-sum/127.0; + + y=pow(10.0,y*PmaxdB/20.0); + + if ((Pprotectthefundamental!=0)&&(i==1)) y=1.0; + + fftdata.c[i]*=y; + fftdata.s[i]*=y; + }; +}; + +/* + * Gets the response at the frequency "freq" + */ + +REALTYPE Resonance::getfreqresponse(REALTYPE freq){ + REALTYPE l1=log(getfreqx(0.0)*ctlcenter), + l2=log(2.0)*getoctavesfreq()*ctlbw,sum=0.0; + + for (int i=0;i=N_RES_POINTS) kx1=N_RES_POINTS-1; + int kx2=kx1+1;if (kx2>=N_RES_POINTS) kx2=N_RES_POINTS-1; + REALTYPE result=(Prespoints[kx1]*(1.0-dx)+Prespoints[kx2]*dx)/127.0-sum/127.0; + result=pow(10.0,result*PmaxdB/20.0); + return(result); +}; + + +/* + * Smooth the resonance function + */ +void Resonance::smooth(){ + REALTYPE old=Prespoints[0]; + for (int i=0;i0;i--){ + old=old*0.4+Prespoints[i]*0.6; + Prespoints[i]=(int) old+1; + if (Prespoints[i]>127) Prespoints[i]=127; + }; +}; + +/* + * Randomize the resonance function + */ +void Resonance::randomize(int type){ + int r=(int)(RND*127.0); + for (int i=0;i1.0) x=1.0; + REALTYPE octf=pow(2.0,getoctavesfreq()); + return(getcenterfreq()/sqrt(octf)*pow(octf,x)); +}; + +/* + * Get the x coordinate from frequency (used by the UI) + */ +REALTYPE Resonance::getfreqpos(REALTYPE freq){ + return((log(freq)-log(getfreqx(0.0)))/log(2.0)/getoctavesfreq()); +}; + +/* + * Get the center frequency of the resonance graph + */ +REALTYPE Resonance::getcenterfreq(){ + return(10000.0*pow(10,-(1.0-Pcenterfreq/127.0)*2.0)); +}; + +/* + * Get the number of octave that the resonance functions applies to + */ +REALTYPE Resonance::getoctavesfreq(){ + return(0.25+10.0*Poctavesfreq/127.0); +}; + +void Resonance::sendcontroller(MidiControllers ctl,REALTYPE par){ + if (ctl==C_resonance_center) ctlcenter=par; + else ctlbw=par; +}; + + + + +void Resonance::add2XML(XMLwrapper *xml){ + xml->addparbool("enabled",Penabled); + + if ((Penabled==0)&&(xml->minimal)) return; + + xml->addpar("max_db",PmaxdB); + xml->addpar("center_freq",Pcenterfreq); + xml->addpar("octaves_freq",Poctavesfreq); + xml->addparbool("protect_fundamental_frequency",Pprotectthefundamental); + xml->addpar("resonance_points",N_RES_POINTS); + for (int i=0;ibeginbranch("RESPOINT",i); + xml->addpar("val",Prespoints[i]); + xml->endbranch(); + }; +}; + + +void Resonance::getfromXML(XMLwrapper *xml){ + Penabled=xml->getparbool("enabled",Penabled); + + PmaxdB=xml->getpar127("max_db",PmaxdB); + Pcenterfreq=xml->getpar127("center_freq",Pcenterfreq); + Poctavesfreq=xml->getpar127("octaves_freq",Poctavesfreq); + Pprotectthefundamental=xml->getparbool("protect_fundamental_frequency",Pprotectthefundamental); + for (int i=0;ienterbranch("RESPOINT",i)==0) continue; + Prespoints[i]=xml->getpar127("val",Prespoints[i]); + xml->exitbranch(); + }; +}; + + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.h new file mode 100644 index 00000000..7b09e295 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/Resonance.h @@ -0,0 +1,68 @@ +/* + ZynAddSubFX - a software synthesizer + + Resonance.h - Resonance + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ +#ifndef RESONANCE_H +#define RESONANCE_H + +#include "../globals.h" +#include "../Misc/Util.h" +#include "../Misc/XMLwrapper.h" +#include "../Params/Presets.h" + +#define N_RES_POINTS 256 + +class Resonance:public Presets{ + public: + Resonance(); + ~Resonance(); + void setpoint(int n,unsigned char p); + void applyres(int n,FFTFREQS fftdata,REALTYPE freq); + void smooth(); + void interpolatepeaks(int type); + void randomize(int type); + + void add2XML(XMLwrapper *xml); + void defaults(); + void getfromXML(XMLwrapper *xml); + + + REALTYPE getfreqpos(REALTYPE freq); + REALTYPE getfreqx(REALTYPE x); + REALTYPE getfreqresponse(REALTYPE freq); + REALTYPE getcenterfreq(); + REALTYPE getoctavesfreq(); + void sendcontroller(MidiControllers ctl,REALTYPE par); + + //parameters + unsigned char Penabled; //if the ressonance is enabled + unsigned char Prespoints[N_RES_POINTS]; //how many points define the resonance function + unsigned char PmaxdB; //how many dB the signal may be amplified + unsigned char Pcenterfreq,Poctavesfreq; //the center frequency of the res. func., and the number of octaves + unsigned char Pprotectthefundamental; //the fundamental (1-st harmonic) is not damped, even it resonance function is low + + //controllers + REALTYPE ctlcenter;//center frequency(relative) + REALTYPE ctlbw;//bandwidth(relative) + + private: +}; + +#endif diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.C b/muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.C new file mode 100644 index 00000000..f198ba04 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.C @@ -0,0 +1,419 @@ +/* + ZynAddSubFX - a software synthesizer + + SUBnote.C - The "subtractive" synthesizer + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#include +#include +#include +#include "../globals.h" +#include "SUBnote.h" +#include "../Misc/Util.h" + +SUBnote::SUBnote(SUBnoteParameters *parameters,Controller *ctl_,REALTYPE freq,REALTYPE velocity,int portamento_,int midinote){ + ready=0; + + tmpsmp=new REALTYPE[SOUND_BUFFER_SIZE]; + tmprnd=new REALTYPE[SOUND_BUFFER_SIZE]; + + pars=parameters; + ctl=ctl_; + portamento=portamento_; + NoteEnabled=ON; + volume=pow(0.1,3.0*(1.0-pars->PVolume/96.0));//-60 dB .. 0 dB + volume*=VelF(velocity,pars->PAmpVelocityScaleFunction); + if (pars->PPanning!=0) panning=pars->PPanning/127.0; + else panning=RND; + numstages=pars->Pnumstages; + stereo=pars->Pstereo; + start=pars->Pstart; + firsttick=1; + int pos[MAX_SUB_HARMONICS]; + + if (pars->Pfixedfreq==0) basefreq=freq; + else { + basefreq=440.0; + int fixedfreqET=pars->PfixedfreqET; + if (fixedfreqET!=0) {//if the frequency varies according the keyboard note + REALTYPE tmp=(midinote-69.0)/12.0*(pow(2.0,(fixedfreqET-1)/63.0)-1.0); + if (fixedfreqET<=64) basefreq*=pow(2.0,tmp); + else basefreq*=pow(3.0,tmp); + }; + + }; + REALTYPE detune=getdetune(pars->PDetuneType,pars->PCoarseDetune,pars->PDetune); + basefreq*=pow(2.0,detune/1200.0);//detune +// basefreq*=ctl->pitchwheel.relfreq;//pitch wheel + + //global filter + GlobalFilterCenterPitch=pars->GlobalFilter->getfreq()+//center freq + (pars->PGlobalFilterVelocityScale/127.0*6.0)* //velocity sensing + (VelF(velocity,pars->PGlobalFilterVelocityScaleFunction)-1); + + GlobalFilterL=NULL;GlobalFilterR=NULL; + GlobalFilterEnvelope=NULL; + + //select only harmonics that desire to compute + numharmonics=0; + for (int n=0;nPhmag[n]==0)continue; + if (n*basefreq>SAMPLE_RATE/2.0) break;//remove the freqs above the Nyquist freq + pos[numharmonics++]=n; + }; + + if (numharmonics==0) { + NoteEnabled=OFF; + return; + }; + + + lfilter=new bpfilter[numstages*numharmonics]; + if (stereo!=0) rfilter=new bpfilter[numstages*numharmonics]; + + //how much the amplitude is normalised (because the harmonics) + REALTYPE reduceamp=0.0; + + for (int n=0;nPbandwidth-127.0)/127.0*4)*numstages; + + //Bandwidth Scale + bw*=pow(1000/freq,(pars->Pbwscale-64.0)/64.0*3.0); + + //Relative BandWidth + bw*=pow(100,(pars->Phrelbw[pos[n]]-64.0)/64.0); + + if (bw>25.0) bw=25.0; + + //try to keep same amplitude on all freqs and bw. (empirically) + REALTYPE gain=sqrt(1500.0/(bw*freq)); + + REALTYPE hmagnew=1.0-pars->Phmag[pos[n]]/127.0; + REALTYPE hgain; + + switch(pars->Phmagtype){ + case 1:hgain=exp(hmagnew*log(0.01)); break; + case 2:hgain=exp(hmagnew*log(0.001));break; + case 3:hgain=exp(hmagnew*log(0.0001));break; + case 4:hgain=exp(hmagnew*log(0.00001));break; + default:hgain=1.0-hmagnew; + }; + gain*=hgain; + reduceamp+=hgain; + + for (int nph=0;nphPfixedfreq==0) initparameters(basefreq); + else initparameters(basefreq/440.0*freq); + + oldamplitude=newamplitude; + ready=1; +}; + +SUBnote::~SUBnote(){ + if (NoteEnabled!=OFF) KillNote(); + delete [] tmpsmp; + delete [] tmprnd; +}; + +/* + * Kill the note + */ +void SUBnote::KillNote(){ + if (NoteEnabled!=OFF){ + delete [] lfilter; + lfilter=NULL; + if (stereo!=0) delete [] rfilter; + rfilter=NULL; + delete(AmpEnvelope); + if (FreqEnvelope!=NULL) delete(FreqEnvelope); + if (BandWidthEnvelope!=NULL) delete(BandWidthEnvelope); + NoteEnabled=OFF; + }; + +}; + + +/* + * Compute the filters coefficients + */ +void SUBnote::computefiltercoefs(bpfilter &filter,REALTYPE freq,REALTYPE bw,REALTYPE gain){ + if (freq>SAMPLE_RATE/2.0-200.0) { + freq=SAMPLE_RATE/2.0-200.0; + }; + + REALTYPE omega=2.0*PI*freq/SAMPLE_RATE; + REALTYPE sn=sin(omega);REALTYPE cs=cos(omega); + REALTYPE alpha=sn*sinh(LOG_2/2.0*bw*omega/sn); + + if (alpha>1) alpha=1; + if (alpha>bw) alpha=bw; + + filter.b0=alpha/(1.0+alpha)*filter.amp*gain; + filter.b2=-alpha/(1.0+alpha)*filter.amp*gain; + filter.a1=-2.0*cs/(1.0+alpha); + filter.a2=(1.0-alpha)/(1.0+alpha); + +}; + + +/* + * Initialise the filters + */ +void SUBnote::initfilter(bpfilter &filter,REALTYPE freq,REALTYPE bw,REALTYPE amp,REALTYPE mag){ + filter.xn1=0.0;filter.xn2=0.0; + + if (start==0) { + filter.yn1=0.0; + filter.yn2=0.0; + } else { + REALTYPE a=0.1*mag;//empirically + REALTYPE p=RND*2.0*PI; + if (start==1) a*=RND; + filter.yn1=a*cos(p); + filter.yn2=a*cos(p+freq*2.0*PI/SAMPLE_RATE); + + //correct the error of computation the start amplitude + //at very high frequencies + if (freq>SAMPLE_RATE*0.96) { + filter.yn1=0.0; + filter.yn2=0.0; + + }; + }; + + filter.amp=amp; + filter.freq=freq; + filter.bw=bw; + computefiltercoefs(filter,freq,bw,1.0); +}; + +/* + * Do the filtering + */ +void SUBnote::filter(bpfilter &filter,REALTYPE *smps){ + int i; + REALTYPE out; + for (i=0;iAmpEnvelope,freq); + if (pars->PFreqEnvelopeEnabled!=0) FreqEnvelope=new Envelope(pars->FreqEnvelope,freq); + else FreqEnvelope=NULL; + if (pars->PBandWidthEnvelopeEnabled!=0) BandWidthEnvelope=new Envelope(pars->BandWidthEnvelope,freq); + else BandWidthEnvelope=NULL; + if (pars->PGlobalFilterEnabled!=0){ + globalfiltercenterq=pars->GlobalFilter->getq(); + GlobalFilterL=new Filter(pars->GlobalFilter); + if (stereo!=0) GlobalFilterR=new Filter(pars->GlobalFilter); + GlobalFilterEnvelope=new Envelope(pars->GlobalFilterEnvelope,freq); + GlobalFilterFreqTracking=pars->GlobalFilter->getfreqtracking(basefreq); + }; + computecurrentparameters(); +}; + + +/* + * Compute Parameters of SUBnote for each tick + */ +void SUBnote::computecurrentparameters(){ + if ((FreqEnvelope!=NULL)||(BandWidthEnvelope!=NULL)|| + (oldpitchwheel!=ctl->pitchwheel.data)|| + (oldbandwidth!=ctl->bandwidth.data)|| + (portamento!=0)){ + REALTYPE envfreq=1.0; + REALTYPE envbw=1.0; + REALTYPE gain=1.0; + + if (FreqEnvelope!=NULL) { + envfreq=FreqEnvelope->envout()/1200; + envfreq=pow(2.0,envfreq); + }; + envfreq*=ctl->pitchwheel.relfreq;//pitch wheel + if (portamento!=0) {//portamento is used + envfreq*=ctl->portamento.freqrap; + if (ctl->portamento.used==0){//the portamento has finished + portamento=0;//this note is no longer "portamented" + }; + }; + + if (BandWidthEnvelope!=NULL) { + envbw=BandWidthEnvelope->envout(); + envbw=pow(2,envbw); + }; + envbw*=ctl->bandwidth.relbw;//bandwidth controller + + REALTYPE tmpgain=1.0/sqrt(envbw*envfreq); + + for (int n=0;nbandwidth.data; + oldpitchwheel=ctl->pitchwheel.data; + }; + newamplitude=volume*AmpEnvelope->envout_dB()*2.0; + + //Filter + if (GlobalFilterL!=NULL){ + REALTYPE globalfilterpitch=GlobalFilterCenterPitch+GlobalFilterEnvelope->envout(); + REALTYPE filterfreq=globalfilterpitch+ctl->filtercutoff.relfreq+GlobalFilterFreqTracking; + filterfreq=GlobalFilterL->getrealfreq(filterfreq); + + GlobalFilterL->setfreq_and_q(filterfreq,globalfiltercenterq*ctl->filterq.relq); + if (GlobalFilterR!=NULL) GlobalFilterR->setfreq_and_q(filterfreq,globalfiltercenterq*ctl->filterq.relq); + }; + +}; + +/* + * Note Output + */ +int SUBnote::noteout(REALTYPE *outl,REALTYPE *outr){ + int i; + + for (i=0;ifilterout(&outl[0]); + + //right channel + if (stereo!=0){ + for (i=0;ifilterout(&outr[0]); + } else for (i=0;iSOUND_BUFFER_SIZE) n=SOUND_BUFFER_SIZE; + for (i=0;ifinished()!=0){ + for (i=0;irelasekey(); + if (FreqEnvelope!=NULL) FreqEnvelope->relasekey(); + if (BandWidthEnvelope!=NULL) BandWidthEnvelope->relasekey(); + if (GlobalFilterEnvelope!=NULL) GlobalFilterEnvelope->relasekey(); +}; + +/* + * Check if the note is finished + */ +int SUBnote::finished(){ + if (NoteEnabled==OFF) return(1); + else return(0); +}; + diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.h new file mode 100644 index 00000000..6e4e2991 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/SUBnote.h @@ -0,0 +1,98 @@ +/* + ZynAddSubFX - a software synthesizer + + SUBnote.h - The subtractive synthesizer + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef SUB_NOTE_H +#define SUB_NOTE_H + +#include "../globals.h" +#include "../Params/SUBnoteParameters.h" +#include "../Params/Controller.h" +#include "Envelope.h" +#include "../DSP/Filter.h" + +class SUBnote{ + public: + SUBnote(SUBnoteParameters *parameters,Controller *ctl_,REALTYPE freq,REALTYPE velocity,int portamento_,int midinote); + ~SUBnote(); + int noteout(REALTYPE *outl,REALTYPE *outr);//note output,return 0 if the note is finished + void relasekey(); + int finished(); + + int ready; //if I can get the sampledata + + private: + + void computecurrentparameters(); + void initparameters(REALTYPE freq); + void KillNote(); + + SUBnoteParameters *pars; + + //parameters + int stereo; + int numstages;//number of stages of filters + int numharmonics;//number of harmonics (after the too higher hamonics are removed) + int start;//how the harmonics start + REALTYPE basefreq; + REALTYPE panning; + Envelope *AmpEnvelope; + Envelope *FreqEnvelope; + Envelope *BandWidthEnvelope; + + Filter *GlobalFilterL,*GlobalFilterR; + + Envelope *GlobalFilterEnvelope; + + //internal values + ONOFFTYPE NoteEnabled; + int firsttick,portamento; + REALTYPE volume,oldamplitude,newamplitude; + + REALTYPE GlobalFilterCenterPitch;//octaves + REALTYPE GlobalFilterFreqTracking; + + struct bpfilter{ + REALTYPE freq,bw,amp; //filter parameters + REALTYPE a1,a2,b0,b2;//filter coefs. b1=0 + REALTYPE xn1,xn2,yn1,yn2; //filter internal values + }; + + void initfilter(bpfilter &filter,REALTYPE freq,REALTYPE bw,REALTYPE amp,REALTYPE mag); + void computefiltercoefs(bpfilter &filter,REALTYPE freq,REALTYPE bw,REALTYPE gain); + void filter(bpfilter &filter,REALTYPE *smps); + + bpfilter *lfilter,*rfilter; + + REALTYPE *tmpsmp; + REALTYPE *tmprnd;//this is filled with random numbers + + Controller *ctl; + int oldpitchwheel,oldbandwidth; + REALTYPE globalfiltercenterq; + +}; + + + + +#endif + -- cgit v1.2.3