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Diffstat (limited to 'muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.h')
| -rw-r--r-- | muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.h b/muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.h new file mode 100644 index 00000000..1d9980a9 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Synth/OscilGen.h @@ -0,0 +1,176 @@ +/* + ZynAddSubFX - a software synthesizer + + OscilGen.h - 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 + +*/ + +#ifndef OSCIL_GEN_H +#define OSCIL_GEN_H + +#include "../globals.h" +#include "../Misc/XMLwrapper.h" +#include "Resonance.h" +#include "../DSP/FFTwrapper.h" +#include "../Params/Presets.h" + +class OscilGen:public Presets{ + public: + OscilGen(FFTwrapper *fft_,Resonance *res_); + ~OscilGen(); + + //computes the full spectrum of oscil from harmonics,phases and basefunc + void prepare(); + + //do the antialiasing(cut off higher freqs.),apply randomness and do a IFFT + short get(REALTYPE *smps,REALTYPE freqHz);//returns where should I start getting samples, used in block type randomness + short get(REALTYPE *smps,REALTYPE freqHz,int resonance); + //if freqHz is smaller than 0, return the "un-randomized" sample for UI + + void getbasefunction(REALTYPE *smps); + + //called by UI + void getspectrum(int n,REALTYPE *spc,int what);//what=0 pt. oscil,1 pt. basefunc + void getcurrentbasefunction(REALTYPE *smps); + void useasbase();//convert oscil to base function + + void add2XML(XMLwrapper *xml); + void defaults(); + void getfromXML(XMLwrapper *xml); + + void convert2sine(int magtype); + + //Parameters + + /* + The hmag and hphase starts counting from 0, so the first harmonic(1) has the index 0, + 2-nd harmonic has index 1, ..the 128 harminic has index 127 + */ + unsigned char Phmag[MAX_AD_HARMONICS],Phphase[MAX_AD_HARMONICS];//the MIDI parameters for mag. and phases + + + /*The Type of magnitude: + 0 - Linear + 1 - dB scale (-40) + 2 - dB scale (-60) + 3 - dB scale (-80) + 4 - dB scale (-100)*/ + unsigned char Phmagtype; + + unsigned char Pcurrentbasefunc;//The base function used - 0=sin, 1=... + unsigned char Pbasefuncpar;//the parameter of the base function + + unsigned char Pbasefuncmodulation;//what modulation is applied to the basefunc + unsigned char Pbasefuncmodulationpar1,Pbasefuncmodulationpar2,Pbasefuncmodulationpar3;//the parameter of the base function modulation + + /*the Randomness: + 64=no randomness + 63..0 - block type randomness - 0 is maximum + 65..127 - each harmonic randomness - 127 is maximum*/ + unsigned char Prand; + unsigned char Pwaveshaping,Pwaveshapingfunction; + unsigned char Pfiltertype,Pfilterpar1,Pfilterpar2; + unsigned char Pfilterbeforews; + unsigned char Psatype,Psapar;//spectrum adjust + + unsigned char Pamprandpower, Pamprandtype;//amplitude randomness + int Pharmonicshift;//how the harmonics are shifted + int Pharmonicshiftfirst;//if the harmonic shift is done before waveshaping and filter + + unsigned char Padaptiveharmonics;//the adaptive harmonics status (off=0,on=1,etc..) + unsigned char Padaptiveharmonicsbasefreq;//the base frequency of the adaptive harmonic (30..3000Hz) + unsigned char Padaptiveharmonicspower;//the strength of the effect (0=off,100=full) + unsigned char Padaptiveharmonicspar;//the parameters in 2,3,4.. modes of adaptive harmonics + + unsigned char Pmodulation;//what modulation is applied to the oscil + unsigned char Pmodulationpar1,Pmodulationpar2,Pmodulationpar3;//the parameter of the parameters + + + //makes a new random seed for Amplitude Randomness + //this should be called every note on event + void newrandseed(unsigned int randseed); + + bool ADvsPAD;//if it is used by ADsynth or by PADsynth + + static REALTYPE *tmpsmps;//this array stores some termporary data and it has SOUND_BUFFER_SIZE elements + static FFTFREQS outoscilFFTfreqs; + + private: + + REALTYPE hmag[MAX_AD_HARMONICS],hphase[MAX_AD_HARMONICS];//the magnituides and the phases of the sine/nonsine harmonics +// private: + FFTwrapper *fft; + //computes the basefunction and make the FFT; newbasefunc<0 = same basefunc + void changebasefunction(); + //Waveshaping + void waveshape(); + + //Filter the oscillator accotding to Pfiltertype and Pfilterpar + void oscilfilter(); + + //Adjust the spectrum + void spectrumadjust(); + + //Shift the harmonics + void shiftharmonics(); + + //Do the oscil modulation stuff + void modulation(); + + //Do the adaptive harmonic stuff + void adaptiveharmonic(FFTFREQS f,REALTYPE freq); + + //Do the adaptive harmonic postprocessing (2n+1,2xS,2xA,etc..) + //this function is called even for the user interface + //this can be called for the sine and components, and for the spectrum + //(that's why the sine and cosine components should be processed with a separate call) + void adaptiveharmonicpostprocess(REALTYPE *f, int size); + + //Basic/base functions (Functiile De Baza) + REALTYPE basefunc_pulse(REALTYPE x,REALTYPE a); + REALTYPE basefunc_saw(REALTYPE x,REALTYPE a); + REALTYPE basefunc_triangle(REALTYPE x,REALTYPE a); + REALTYPE basefunc_power(REALTYPE x,REALTYPE a); + REALTYPE basefunc_gauss(REALTYPE x,REALTYPE a); + REALTYPE basefunc_diode(REALTYPE x,REALTYPE a); + REALTYPE basefunc_abssine(REALTYPE x,REALTYPE a); + REALTYPE basefunc_pulsesine(REALTYPE x,REALTYPE a); + REALTYPE basefunc_stretchsine(REALTYPE x,REALTYPE a); + REALTYPE basefunc_chirp(REALTYPE x,REALTYPE a); + REALTYPE basefunc_absstretchsine(REALTYPE x,REALTYPE a); + REALTYPE basefunc_chebyshev(REALTYPE x,REALTYPE a); + REALTYPE basefunc_sqr(REALTYPE x,REALTYPE a); + + //Internal Data + unsigned char oldbasefunc,oldbasepar,oldhmagtype,oldwaveshapingfunction,oldwaveshaping; + int oldfilterpars,oldsapars,oldbasefuncmodulation,oldbasefuncmodulationpar1,oldbasefuncmodulationpar2,oldbasefuncmodulationpar3,oldharmonicshift; + int oldmodulation,oldmodulationpar1,oldmodulationpar2,oldmodulationpar3; + + + FFTFREQS basefuncFFTfreqs;//Base Function Frequencies + FFTFREQS oscilFFTfreqs;//Oscillator Frequencies - this is different than the hamonics set-up by the user, it may contains time-domain data if the antialiasing is turned off + int oscilprepared;//1 if the oscil is prepared, 0 if it is not prepared and is need to call ::prepare() before ::get() + + Resonance *res; + + unsigned int randseed; + +}; + + +#endif |