Update of /cvsroot/pure-data/pd/extra/pique In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv21746/pique
Added Files: Tag: devel_0_39 makefile pique.c pique.c.old Log Message: missing extra files
--- NEW FILE: pique.c --- /* Copyright (c) 1999 Miller Puckette. The contents of this file are free for any use, but BOTH THE AUTHOR AND UCSD DISCLAIM ALL WARRANTIES related to it. Although not written in Java, this still should not be used to control any machinery containing a sharp blade or combustible materiel, or as part of any life support system or weapon. */
#include "m_pd.h" #include <math.h> #include <stdio.h> #ifdef NT #pragma warning( disable : 4244 ) #pragma warning( disable : 4305 ) #endif
static t_class *pique_class;
typedef struct _pique { t_object x_obj; int x_n; float x_errthresh; float *x_freq; float *x_amp; float *x_ampre; float *x_ampim; } t_pique;
static void *pique_new(t_floatarg f) { int n = f; t_pique *x = (t_pique *)pd_new(pique_class); if (n < 1) n = 100; x->x_n = n; x->x_errthresh = 0; x->x_freq = t_getbytes(n * sizeof(*x->x_freq)); x->x_amp = t_getbytes(n * sizeof(*x->x_amp)); x->x_ampre = t_getbytes(n * sizeof(*x->x_ampre)); x->x_ampim = t_getbytes(n * sizeof(*x->x_ampim)); outlet_new(&x->x_obj, &s_list); return (x); }
static float hanning(float pidetune, float sinpidetune) { float pi = 3.14159; if (pidetune < 0.01 && pidetune > -0.01) return (1); else if (pidetune > 3.14 && pidetune < 3.143) return (0.5); else if (pidetune < -3.14 && pidetune > -3.143) return (0.5); else return (sinpidetune/pidetune - 0.5 * (sinpidetune/(pidetune+pi) + sinpidetune/(pidetune-pi))); }
static float peakerror(float *fpreal, float *fpimag, float pidetune, float norm, float peakreal, float peakimag) { float sinpidetune = sin(pidetune); float cospidetune = cos(pidetune); float windowshould = hanning(pidetune, sinpidetune); float realshould = windowshould * ( peakreal * cospidetune + peakimag * sinpidetune); float imagshould = windowshould * ( peakimag * cospidetune - peakreal * sinpidetune); float realgot = norm * (fpreal[0] - 0.5 * (fpreal[1] + fpreal[-1])); float imaggot = norm * (fpimag[0] - 0.5 * (fpimag[1] + fpimag[-1])); float realdev = realshould - realgot, imagdev = imagshould - imaggot;
/* post("real %f->%f; imag %f->%f", realshould, realgot, imagshould, imaggot); */ return (realdev * realdev + imagdev * imagdev); }
static void pique_doit(int npts, t_float *fpreal, t_float *fpimag, int npeak, int *nfound, t_float *fpfreq, t_float *fpamp, t_float *fpampre, t_float *fpampim, float errthresh) { float srate = sys_getsr(); /* not sure how to get this correctly */ float oneovern = 1.0/ (float)npts; float fperbin = srate * oneovern; float pow1, pow2 = 0, pow3 = 0, pow4 = 0, pow5 = 0; float re1, re2 = 0, re3 = *fpreal; float im1, im2 = 0, im3 = 0, powthresh, relativeerror; int count, peakcount = 0, n2 = (npts >> 1); float *fp1, *fp2; for (count = n2, fp1 = fpreal, fp2 = fpimag, powthresh = 0; count--; fp1++, fp2++) powthresh += (*fp1) * (*fp1) + (*fp2) * (*fp2) ; powthresh *= 0.00001; for (count = 1; count < n2; count++) { float windreal, windimag, pi = 3.14159; float detune, pidetune, sinpidetune, cospidetune, ampcorrect, freqout, ampout, ampoutreal, ampoutimag; float rpeak, rpeaknext, rpeakprev; float ipeak, ipeaknext, ipeakprev; float errleft, errright; fpreal++; fpimag++; re1 = re2; re2 = re3; re3 = *fpreal; im1 = im2; im2 = im3; im3 = *fpimag; if (count < 2) continue; pow1 = pow2; pow2 = pow3; pow3 = pow4; pow4 = pow5; /* get Hanning-windowed spectrum by convolution */ windreal = re2 - 0.5 * (re1 + re3); windimag = im2 - 0.5 * (im1 + im3); pow5 = windreal * windreal + windimag * windimag; /* if (count < 30) post("power %f", pow5); */ if (count < 5) continue; /* check for a peak. The actual bin is count-3. */ if (pow3 <= pow2 || pow3 <= pow4 || pow3 <= pow1 || pow3 <= pow5 || pow3 < powthresh) continue; /* go back for the raw FFT values around the peak. */ rpeak = fpreal[-3]; rpeaknext = fpreal[-2]; rpeakprev = fpreal[-4]; ipeak = fpimag[-3]; ipeaknext = fpimag[-2]; ipeakprev = fpimag[-4]; /* recalculate Hanning-windowed spectrum by convolution */ windreal = rpeak - 0.5 * (rpeaknext + rpeakprev); windimag = ipeak - 0.5 * (ipeaknext + ipeakprev);
detune = ((rpeakprev - rpeaknext) * (2.0 * rpeak - rpeakprev - rpeaknext) + (ipeakprev - ipeaknext) * (2.0 * ipeak - ipeakprev - ipeaknext)) / (4.0 * pow3); /* if (count < 30) post("detune %f", detune); */ if (detune > 0.7 || detune < -0.7) continue; /* the frequency is the sum of the bin frequency and detuning */ freqout = fperbin * ((float)(count-3) + detune); pidetune = pi * detune; sinpidetune = sin(pidetune); cospidetune = cos(pidetune); ampcorrect = 1.0 / hanning(pidetune, sinpidetune); /* Multiply by 2 to get real-sinusoid peak amplitude and divide by N to normalize FFT */ ampcorrect *= 2. * oneovern; /* amplitude is peak height, corrected for Hanning window shape */
ampout = ampcorrect * sqrt(pow3); ampoutreal = ampcorrect * (windreal * cospidetune - windimag * sinpidetune); ampoutimag = ampcorrect * (windreal * sinpidetune + windimag * cospidetune); if (errthresh > 0) { /* post("peak %f %f", freqout, ampout); */ errleft = peakerror(fpreal-4, fpimag-4, pidetune+pi, 2. * oneovern, ampoutreal, ampoutimag); errright = peakerror(fpreal-2, fpimag-2, pidetune-pi, 2. * oneovern, ampoutreal, ampoutimag); relativeerror = (errleft + errright)/(ampout * ampout); if (relativeerror > errthresh) continue; } /* post("power %f, error %f, relative %f", pow3, errleft + errright, relativeerror); */ *fpfreq++ = freqout; *fpamp++ = ampout; *fpampre++ = ampoutreal; *fpampim++ = ampoutimag; if (++peakcount == npeak) break; } *nfound = peakcount; }
static void pique_list(t_pique *x, t_symbol *s, int argc, t_atom *argv) { int npts = atom_getintarg(0, argc, argv); t_symbol *symreal = atom_getsymbolarg(1, argc, argv); t_symbol *symimag = atom_getsymbolarg(2, argc, argv); int npeak = atom_getintarg(3, argc, argv); int n; t_garray *a; t_float *fpreal, *fpimag; if (npts < 8 || npeak < 1) error("pique: bad npoints or npeak"); if (npeak > x->x_n) npeak = x->x_n; if (!(a = (t_garray *)pd_findbyclass(symreal, garray_class)) || !garray_getfloatarray(a, &n, &fpreal) || n < npts) error("%s: missing or bad array", symreal->s_name); else if (!(a = (t_garray *)pd_findbyclass(symimag, garray_class)) || !garray_getfloatarray(a, &n, &fpimag) || n < npts) error("%s: missing or bad array", symimag->s_name); else { int nfound, i; float *fpfreq = x->x_freq; float *fpamp = x->x_amp; float *fpampre = x->x_ampre; float *fpampim = x->x_ampim; pique_doit(npts, fpreal, fpimag, npeak, &nfound, fpfreq, fpamp, fpampre, fpampim, x->x_errthresh); for (i = 0; i < nfound; i++, fpamp++, fpfreq++, fpampre++, fpampim++) { t_atom at[5]; SETFLOAT(at, (float)i); SETFLOAT(at+1, *fpfreq); SETFLOAT(at+2, *fpamp); SETFLOAT(at+3, *fpampre); SETFLOAT(at+4, *fpampim); outlet_list(x->x_obj.ob_outlet, &s_list, 5, at); } } }
static void pique_errthresh(t_pique *x, t_floatarg f) { x->x_errthresh = f; }
static void pique_free(t_pique *x) { int n = x->x_n; t_freebytes(x->x_freq, n * sizeof(*x->x_freq)); t_freebytes(x->x_amp, n * sizeof(*x->x_amp)); t_freebytes(x->x_ampre, n * sizeof(*x->x_ampre)); t_freebytes(x->x_ampim, n * sizeof(*x->x_ampim)); }
void pique_setup(void) { pique_class = class_new(gensym("pique"), (t_newmethod)pique_new, (t_method)pique_free, sizeof(t_pique),0, A_DEFFLOAT, 0); class_addlist(pique_class, pique_list); class_addmethod(pique_class, (t_method)pique_errthresh, gensym("errthresh"), A_FLOAT, 0); post("pique 0.1 for PD version 23"); }
--- NEW FILE: makefile --- NAME=pique CSYM=pique
current: pd_linux
# ----------------------- NT -----------------------
pd_nt: $(NAME).dll
.SUFFIXES: .dll
PDNTCFLAGS = /W3 /WX /DNT /DPD /nologo VC="C:\Program Files\Microsoft Visual Studio\Vc98"
PDNTINCLUDE = /I. /I....\src /I$(VC)\include
PDNTLDIR = $(VC)\lib PDNTLIB = $(PDNTLDIR)\libc.lib \ $(PDNTLDIR)\oldnames.lib \ $(PDNTLDIR)\kernel32.lib \ ....\bin\pd.lib
.c.dll: cl $(PDNTCFLAGS) $(PDNTINCLUDE) /c $*.c link /dll /export:$(CSYM)_setup $*.obj $(PDNTLIB)
# ----------------------- IRIX 5.x -----------------------
pd_irix5: $(NAME).pd_irix5
.SUFFIXES: .pd_irix5
SGICFLAGS5 = -o32 -DPD -DUNIX -DIRIX -O2
SGIINCLUDE = -I../../src
.c.pd_irix5: $(CC) $(SGICFLAGS5) $(SGIINCLUDE) -o $*.o -c $*.c ld -elf -shared -rdata_shared -o $*.pd_irix5 $*.o rm $*.o
# ----------------------- IRIX 6.x -----------------------
pd_irix6: $(NAME).pd_irix6
.SUFFIXES: .pd_irix6
SGICFLAGS6 = -n32 -DPD -DUNIX -DIRIX -DN32 -woff 1080,1064,1185 \ -OPT:roundoff=3 -OPT:IEEE_arithmetic=3 -OPT:cray_ivdep=true \ -Ofast=ip32
.c.pd_irix6: $(CC) $(SGICFLAGS6) $(SGIINCLUDE) -o $*.o -c $*.c ld -n32 -IPA -shared -rdata_shared -o $*.pd_irix6 $*.o rm $*.o
# ----------------------- LINUX i386 -----------------------
pd_linux: $(NAME).pd_linux
.SUFFIXES: .pd_linux
LINUXCFLAGS = -DPD -O2 -funroll-loops -fomit-frame-pointer -fPIC \ -Wall -W -Wshadow -Wstrict-prototypes \ -Wno-unused -Wno-parentheses -Wno-switch $(CFLAGS)
LINUXINCLUDE = -I../../src
.c.pd_linux: $(CC) $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c ld -export_dynamic -shared -o $*.pd_linux $*.o -lc -lm strip --strip-unneeded $*.pd_linux rm -f $*.o
# ----------------------- Mac OSX -----------------------
pd_darwin: $(NAME).pd_darwin
.SUFFIXES: .pd_darwin
DARWINCFLAGS = -DPD -O2 -Wall -W -Wshadow -Wstrict-prototypes \ -Wno-unused -Wno-parentheses -Wno-switch
.c.pd_darwin: $(CC) $(DARWINCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c $(CC) -bundle -undefined suppress -flat_namespace -o $*.pd_darwin $*.o rm -f $*.o
# ----------------------------------------------------------
clean: rm -f *.o *.pd_* so_locations
--- NEW FILE: pique.c.old --- /* Copyright (c) 1998 The Regents of the University of California. The contents of this file are free for any use, but BOTH THE AUTHOR AND UCSD DISCLAIM ALL WARRANTIES related to it. Although not written in Java, this still should not be used to control any machinery containing a sharp blade or combustible materiel, or as part of any life support system or weapon. */
#include "m_pd.h" #include <math.h>
static t_class *pique_class;
typedef struct _pique { t_object x_obj; } t_pique;
static void *pique_new(void) { t_pique *x = (t_pique *)pd_new(pique_class); return (x); }
/* we aren't measuring phase yet */ static void pique_doit(int npts, t_float *fpreal, t_float *fpimag, int npeak, t_float *fpfreq, t_float *fpamp) { float srate = sys_getsr(); /* not sure how to get this correctly */ float oneovern = 1.0/ (float)npts; float fperbin = srate * oneovern; float pow1, pow2 = 0, pow3 = 0, pow4 = 0, pow5 = 0; float re1, re2 = 0, re3 = *fpreal; float im1, im2 = 0, im3 = 0, powthresh; int count, peakcount = 0, n2 = (npts >> 1); float *fp1, *fp2; for (count = n2, fp1 = fpreal, fp2 = fpimag, powthresh = 0; count--; fp1++, fp2++) powthresh += (*fp1) * (*fp1) + (*fp2) * (*fp2) ; powthresh *= 0.00001; for (count = 1; count < n2; count++) { float windreal, windimag, pi = 3.14159; float detune, pidetune, ampcorrect, freqout, ampout; float rpeak, rpeaknext, rpeakprev; float ipeak, ipeaknext, ipeakprev; fpreal++; fpimag++; re1 = re2; re2 = re3; re3 = *fpreal; im1 = im2; im2 = im3; im3 = *fpimag; if (count < 2) continue; pow1 = pow2; pow2 = pow3; pow3 = pow4; pow4 = pow5; /* get Hanning-windowed spectrum by convolution */ windreal = re2 - 0.5 * (re1 + re3); windimag = im2 - 0.5 * (im1 + im3); pow5 = windreal * windreal + windimag * windimag; /* if (count < 30) post("power %f", pow5); */ if (count < 5) continue; /* check for a peak. The actual bin is count-3. */ if (pow3 <= pow2 || pow3 <= pow4 || pow3 <= pow1 || pow3 <= pow5 || pow3 < powthresh) continue; /* go back for the raw FFT values around the peak. */ rpeak = fpreal[-3]; rpeaknext = fpreal[-2]; rpeakprev = fpreal[-4]; ipeak = fpimag[-3]; ipeaknext = fpimag[-2]; ipeakprev = fpimag[-4]; detune = ((rpeakprev - rpeaknext) * (2.0 * rpeak - rpeakprev - rpeaknext) + (ipeakprev - ipeaknext) * (2.0 * ipeak - ipeakprev - ipeaknext)) / (4.0 * pow3); /* if (count < 30) post("detune %f", detune); */ if (detune > 0.7 || detune < -0.7) continue; /* the frequency is the sum of the bin frequency and detuning */ freqout = fperbin * ((float)(count-3) + detune); *fpfreq++ = freqout; pidetune = pi * detune; if (pidetune < 0.01 && pidetune > -0.01) ampcorrect = 1; else ampcorrect = 1.0 / (sin(pidetune)/pidetune + 0.5 * (sin(pidetune + pi)/(pidetune+pi) + sin(pidetune-pi)/(pidetune-pi))); /* amplitude is peak height, corrected for Hanning window shape. Multiply by 2 to get real-sinusoid peak amplitude */ ampout = 2. * oneovern * sqrt(pow3) * ampcorrect; *fpamp++ = ampout; /* post("peak %f %f", freqout, ampout); */ if (++peakcount == npeak) break; } while (peakcount < npeak) { *fpfreq++ = 0; *fpamp++ = 0; peakcount++; } }
static void pique_list(t_pique *x, t_symbol *s, int argc, t_atom *argv) { int npts = atom_getintarg(0, argc, argv); t_symbol *symreal = atom_getsymbolarg(1, argc, argv); t_symbol *symimag = atom_getsymbolarg(2, argc, argv); int npeak = atom_getintarg(3, argc, argv); t_symbol *symfreq = atom_getsymbolarg(4, argc, argv); t_symbol *symamp = atom_getsymbolarg(5, argc, argv); t_garray *a, *afreq, *aamp; int n; t_float *fpreal, *fpimag, *fpfreq, *fpamp, *fpphase; if (npts < 8 || npeak < 1) error("pique: bad npoints or npeak"); else if (!(a = (t_garray *)pd_findbyclass(symreal, garray_class)) || !garray_getfloatarray(a, &n, &fpreal) || n < npts) error("%s: missing or bad array", symreal->s_name); else if (!(a = (t_garray *)pd_findbyclass(symimag, garray_class)) || !garray_getfloatarray(a, &n, &fpimag) || n < npts) error("%s: missing or bad array", symimag->s_name); else if (!(afreq = (t_garray *)pd_findbyclass(symfreq, garray_class)) || !garray_getfloatarray(afreq, &n, &fpfreq) || n < npeak) error("%s: missing or bad array", symfreq->s_name); else if (!(aamp = (t_garray *)pd_findbyclass(symamp, garray_class)) || !garray_getfloatarray(aamp, &n, &fpamp) || n < npeak) error("%s: missing or bad array", symamp->s_name); else { pique_doit(npts, fpreal, fpimag, npeak, fpfreq, fpamp); garray_redraw(afreq); garray_redraw(aamp); } }
void pique_setup(void) { pique_class = class_new(gensym("pique"), pique_new, 0, sizeof(t_pique), 0, 0); class_addlist(pique_class, pique_list); }