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#ifndef PITCH_H
#define PITCH_H
/*
pitch.h:
Copyright (C) 1999 John ffitch, Istvan Varga, Peter Neubcker,
rasmus ekman, Phil Burk
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/* PITCH.H */
#include "spectra.h"
#include "uggab.h"
typedef struct {
OPDS h;
MYFLT *koct, *kamp;
MYFLT *asig;
MYFLT *iprd, *ilo, *ihi, *idbthresh;
/* Optional */
MYFLT *ifrqs, *iconf, *istrt, *iocts, *iq, *inptls, *irolloff, *istor;
double c1, c2, prvq;
#define MAXFRQS 120
SPECDAT wsig;
int32_t nfreqs, ncoefs, dbout, scountdown, timcount;
MYFLT curq, *sinp, *cosp, *linbufp;
int32_t winlen[MAXFRQS], offset[MAXFRQS];
DOWNDAT downsig;
WINDAT sinwindow, octwindow;
AUXCH auxch1, auxch2;
int32_t pdist[MAXPTL], nptls, rolloff;
MYFLT pmult[MAXPTL], confact, kvalsav, kval, kavl, kinc, kanc;
MYFLT *flop, *fhip, *fundp, *oct0p, threshon, threshoff;
int32_t winpts, jmpcount, playing;
SPECDAT wfund;
} PITCH;
typedef struct {
OPDS h;
MYFLT *cnt;
void *clk;
int32_t c;
} CLOCK;
typedef struct {
OPDS h;
MYFLT *r;
MYFLT *a;
void *clk;
} CLKRD;
typedef struct {
OPDS h;
MYFLT *val;
MYFLT *index;
} SCRATCHPAD;
typedef struct {
OPDS h;
MYFLT *ins;
MYFLT *onoff;
} MUTE;
typedef struct {
OPDS h;
MYFLT *cnt;
MYFLT *ins;
MYFLT *opt;
MYFLT *norel;
} INSTCNT;
typedef struct {
OPDS h;
MYFLT *instrnum, *ipercent, *iopc; /* IV - Oct 31 2002 */
} CPU_PERC;
typedef struct {
OPDS h;
MYFLT *sr, *kamp, *kcps, *ifn, *ifreqtbl, *iamptbl, *icnt, *iphs;
FUNC *ftp;
FUNC *freqtp;
FUNC *amptp;
uint32_t count;
int32_t inerr;
AUXCH lphs;
} ADSYNT;
typedef struct {
OPDS h;
MYFLT *sr, *kamp, *ktona, *kbrite, *ibasef, *ifn;
MYFLT *imixtbl, *ioctcnt, *iphs;
int32 lphs[10];
int32_t octcnt;
MYFLT prevamp;
FUNC *ftp;
FUNC *mixtp;
} HSBOSC;
typedef struct {
OPDS h;
MYFLT *kcps, *krms, *asig, *imincps, *imaxcps, *icps,
*imedi, *idowns, *iexcps, *irmsmedi;
MYFLT srate;
MYFLT lastval;
int32 downsamp;
int32 upsamp;
int32 minperi;
int32 maxperi;
int32 index;
int32 readp;
int32 size;
int32 peri;
int32 medisize;
int32 mediptr;
int32 rmsmedisize;
int32 rmsmediptr;
int32_t inerr;
AUXCH median;
AUXCH rmsmedian;
AUXCH buffer;
} PITCHAMDF;
typedef struct {
OPDS h;
MYFLT *sr, *xcps, *kindx, *icnt, *iphs;
AUXCH curphs;
} PHSORBNK;
/* pinkish opcode... Two methods for generating pink noise */
/* Gardner method space req */
#define GRD_MAX_RANDOM_ROWS (32)
typedef struct {
OPDS h;
MYFLT *aout;
MYFLT *xin, *imethod, *iparam1, *iseed, *iskip;
int32 ampinc; /* Scale output to range */
uint32 randSeed; /* Used by local random generator */
/* for Paul Kellet's filter bank */
double b0, b1, b2, b3, b4, b5, b6;
/* for Gardner method */
int32 grd_Rows[GRD_MAX_RANDOM_ROWS];
int32 grd_NumRows; /* Number of rows (octave bands of noise) */
int32 grd_RunningSum; /* Used to optimize summing of generators. */
int32_t grd_Index; /* Incremented each sample. */
int32_t grd_IndexMask; /* Index wrapped by ANDing with this mask. */
MYFLT grd_Scalar; /* Used to scale to normalize generated noise. */
} PINKISH;
typedef struct {
OPDS h;
MYFLT *aout;
MYFLT *ain, *imethod, *limit, *iarg;
MYFLT arg, lim, k1, k2;
int32_t meth;
} CLIP;
typedef struct {
OPDS h;
MYFLT *ar;
MYFLT *amp, *freq, *offset;
uint32_t next;
} IMPULSE;
typedef struct {
int32 cnt,acnt;
MYFLT alpha;
MYFLT val, nxtpt;
MYFLT c1;
} NSEG;
typedef struct {
OPDS h;
MYFLT *rslt, *argums[VARGMAX];
NSEG *cursegp;
int32 nsegs;
int32 segsrem, curcnt;
MYFLT curval, curinc, alpha;
MYFLT curx;
AUXCH auxch;
int32 xtra;
MYFLT finalval, lastalpha;
} TRANSEG;
typedef struct {
OPDS h;
MYFLT *rslt, *kamp, *beta;
MYFLT last, lastbeta, sq1mb2, ampmod;
int32_t ampinc;
} VARI;
typedef struct {
OPDS h;
MYFLT *ar, *ain, *fco, *res, *dist, *istor;
MYFLT ay1, ay2, aout, lastin;
} LPF18;
typedef struct {
OPDS h;
MYFLT *ar, *ain, *rep, *len;
AUXCH auxch;
int32_t length; /* Length of buffer */
int32_t cnt; /* Repetions of current cycle */
int32_t start; /* Start of current cycle */
int32_t current; /* takeout point */
int32_t direction; /* Need to check direction of crossing */
int32_t end; /* Insert point */
MYFLT lastsamp; /* So we can test changes */
int32_t noinsert; /* Flag to say we are losing input */
} BARRI;
typedef struct {
OPDS h;
MYFLT *sr, *xamp, *xcps, *ifn, *iphs;
MYFLT lphs;
FUNC *ftp;
} XOSC;
typedef struct {
OPDS h;
MYFLT *ans;
MYFLT *pnum;
} PFUN;
typedef struct {
OPDS h;
MYFLT *ans;
MYFLT *pnum;
AUXCH pfield;
} PFUNK;
typedef struct {
OPDS h;
MYFLT *ans;
MYFLT *asig;
MYFLT *kwind;
MYFLT *imaxsize;
MYFLT *iskip;
AUXCH b;
MYFLT *buff;
MYFLT *med;
int32_t ind;
int32_t maxwind;
} MEDFILT;
int32_t Foscaa(CSOUND *, XOSC *p);
int32_t Foscak(CSOUND *, XOSC *p);
int32_t Foscka(CSOUND *, XOSC *p);
int32_t Fosckk(CSOUND *, XOSC *p);
int32_t Foscset(CSOUND *, XOSC *p);
int32_t GardnerPink_init(CSOUND *, PINKISH *p);
int32_t GardnerPink_perf(CSOUND *, PINKISH *p);
int32_t adsynt(CSOUND *, ADSYNT *p);
int32_t adsyntset(CSOUND *, ADSYNT *p);
int32_t clip(CSOUND *, CLIP *p);
int32_t clip_set(CSOUND *, CLIP *p);
int32_t clockoff(CSOUND *, CLOCK *p);
int32_t clockon(CSOUND *, CLOCK *p);
int32_t clockread(CSOUND *, CLKRD *p);
int32_t clockset(CSOUND *, CLOCK *p);
int32_t scratchread(CSOUND *, SCRATCHPAD *p);
int32_t scratchwrite(CSOUND *, SCRATCHPAD *p);
int32_t cpuperc(CSOUND *, CPU_PERC *p);
int32_t cpuperc_S(CSOUND *, CPU_PERC *p);
int32_t hsboscil(CSOUND *, HSBOSC *p);
int32_t hsboscset(CSOUND *, HSBOSC *p);
int32_t impulse(CSOUND *, IMPULSE *p);
int32_t impulse_set(CSOUND *, IMPULSE *p);
int32_t instcount(CSOUND *, INSTCNT *p);
int32_t instcount_S(CSOUND *, INSTCNT *p);
int32_t totalcount(CSOUND *, INSTCNT *p);
int32_t kphsorbnk(CSOUND *, PHSORBNK *p);
int32_t ktrnseg(CSOUND *, TRANSEG *p);
int32_t ktrnsegr(CSOUND *csound, TRANSEG *p);
int32_t lpf18db(CSOUND *, LPF18 *p);
int32_t lpf18set(CSOUND *, LPF18 *p);
int32_t mac(CSOUND *, SUM *p);
int32_t maca(CSOUND *, SUM *p);
int32_t macset(CSOUND *, SUM *p);
int32_t maxalloc(CSOUND *, CPU_PERC *p);
int32_t mute_inst(CSOUND *, MUTE *p);
int32_t maxalloc_S(CSOUND *, CPU_PERC *p);
int32_t mute_inst_S(CSOUND *, MUTE *p);
int32_t pfun(CSOUND *, PFUN *p);
int32_t pfunk_init(CSOUND *, PFUNK *p);
int32_t pfunk(CSOUND *, PFUNK *p);
int32_t phsbnkset(CSOUND *, PHSORBNK *p);
int32_t phsorbnk(CSOUND *, PHSORBNK *p);
int32_t pinkish(CSOUND *, PINKISH *p);
int32_t pinkset(CSOUND *, PINKISH *p);
int32_t pitch(CSOUND *, PITCH *p);
int32_t pitchamdf(CSOUND *, PITCHAMDF *p);
int32_t pitchamdfset(CSOUND *, PITCHAMDF *p);
int32_t pitchset(CSOUND *, PITCH *p);
int32_t trnseg(CSOUND *, TRANSEG *p);
int32_t trnsegr(CSOUND *csound, TRANSEG *p);
int32_t trnset(CSOUND *, TRANSEG *p);
int32_t trnset_bkpt(CSOUND *, TRANSEG *p);
int32_t trnsetr(CSOUND *csound, TRANSEG *p);
int32_t varicol(CSOUND *, VARI *p);
int32_t varicolset(CSOUND *, VARI *p);
int32_t waveset(CSOUND *, BARRI *p);
int32_t wavesetset(CSOUND *, BARRI *p);
int32_t medfiltset(CSOUND *, MEDFILT *p);
int32_t medfilt(CSOUND *, MEDFILT *p);
int32_t kmedfilt(CSOUND *, MEDFILT *p);
#endif /* PITCH_H */
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