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Diffstat (limited to 'desiredata/src/m_pd.h')
| -rw-r--r-- | desiredata/src/m_pd.h | 936 |
1 files changed, 936 insertions, 0 deletions
diff --git a/desiredata/src/m_pd.h b/desiredata/src/m_pd.h new file mode 100644 index 00000000..cb1a7c72 --- /dev/null +++ b/desiredata/src/m_pd.h @@ -0,0 +1,936 @@ +/* Copyright (c) 2006-2007 Mathieu Bouchard. + Copyright (c) 1997-1999 Miller Puckette. + For information on usage and redistribution, and for a DISCLAIMER OF ALL + WARRANTIES, see the file, "LICENSE.txt", in this distribution. */ + +/* PD_PLUSPLUS_FACE is not considered as part of the main interface for externals, + even though it has become the main interface for internals. please don't rely on + it outside of the desiredata source code */ + +#ifndef __m_pd_h_ + +#if defined(_LANGUAGE_C_PLUS_PLUS) || defined(__cplusplus) +#include <iostream> + +#ifdef __cplusplus +template <class K, class V> class t_hash /* : t_pd */ { + struct entry { + K k; + V v; + struct entry *next; + }; + long capa; + long n; + entry **tab; +/* when iterating: */ + long i; + entry *m_next; +public: + t_hash(long capa_) : capa(capa_), n(0), i(0) { + tab = new entry *[capa]; + for (long j=0; j<capa; j++) tab[j]=0; + } + ~t_hash() { + for (long j=0; j<capa; j++) while (tab[j]) del(tab[j]->k); + delete[] tab; + } + size_t size() {return n;} + V get(K k) { + long h = hash(k); + for (entry *e=tab[h]; e; e=e->next) {if (e->k==k) return e->v;} + return 0; + } + void set(K k, V v) { + long h = hash(k); + for (entry *e=tab[h]; e; e=e->next) {if (e->k==k) {e->v=v; return;}} + entry *nu = new entry; nu->k=k; nu->v=v; nu->next=tab[h]; + n++; + tab[h] = nu; + } + V del(K k) { + long h = hash(k); + for (entry **ep=&tab[h]; *ep; ep=&(*ep)->next) { + if ((*ep)->k==k) { + V v=(*ep)->v; + entry *next=(*ep)->next; + delete *ep; n--; + *ep = next; + return v; + } + } + return 0; + } + int exists(K k) { + long h = hash(k); + for (entry *e=tab[h]; e; e=e->next) {if (e->k==k) return 1;} + return 0; + } + void start() {i=0; m_next=0;} + int next(K *kp, V *vp) { + while (!m_next && i<capa) m_next = tab[i++]; + if (m_next) { + *kp = m_next->k; + *vp = m_next->v; + m_next = m_next->next; + return 1; + } + return 0; + } + #define hash_foreach(k,v,h) for (h->start(); h->next(&k,&v); ) + long hash(K k) {return (((long)k*0x54321) & 0x7FFFFFFF)%capa;} +}; +#endif + +extern "C" { +#endif + +#define PD_MAJOR_VERSION 1 +#define PD_MINOR_VERSION 0 +#define PD_DEVEL_VERSION 0 +#define PD_TEST_VERSION "" + +/* old name for "MSW" flag -- we have to take it for the sake of many old +"nmakefiles" for externs, which will define NT and not MSW */ +#if (defined(_WIN32) || defined(NT)) && !defined(MSW) +#define MSW +#endif + +#ifdef __CYGWIN__ +#define UNISTD +#endif + +#ifdef _MSC_VER +/* #pragma warning( disable : 4091 ) */ +#pragma warning( disable : 4305 ) /* uncast const double to float */ +#pragma warning( disable : 4244 ) /* uncast float/int conversion etc. */ +#pragma warning( disable : 4101 ) /* unused automatic variables */ +#endif /* _MSC_VER */ + + /* the external storage class is "extern" in GCC; in MS-C it's ugly. */ +#if defined(MSW) && !defined (__GNUC__) +#ifdef PD_INTERNAL +#define EXTERN __declspec(dllexport) extern +#else +#define EXTERN __declspec(dllimport) extern +#endif /* PD_INTERNAL */ +#else +#define EXTERN extern +#endif /* MSW */ + +#if !defined(_SIZE_T) && !defined(_SIZE_T_) +#include <stddef.h> +#endif + +#include <stdarg.h> + +#define MAXPDSTRING 1000 /* use this for anything you want */ +#define MAXPDARG 5 /* max number of args we can typecheck today */ + +/* signed and unsigned integer types the size of a pointer: */ +/* GG: long is the size of a pointer */ +typedef long t_int; + +typedef float t_float; /* a floating-point number at most the same size */ +typedef float t_floatarg; /* floating-point type for function calls */ + +typedef struct _class t_class; +typedef struct _outlet t_outlet; +typedef struct _inlet t_inlet; +typedef struct _clock t_clock; +typedef struct _glist t_glist, t_canvas; + +#ifdef PD_PLUSPLUS_FACE +struct t_pd { + t_class *_class; +}; +#else +typedef t_class *t_pd; /* pure datum: nothing but a class pointer */ +#endif + +typedef struct _symbol { + char *name; /* the const string that represents this symbol */ + t_pd *thing; /* pointer to the target of a receive-symbol or to the bindlist of several targets */ + struct _symbol *next; /* brochette of all symbols (only for permanent symbols) */ + size_t refcount; /* refcount<0 means that the symbol is permanent */ + size_t n; /* size of name (support for NUL characters) */ +} t_symbol; +#define s_name name +#define s_thing thing +#define s_next next + +#ifdef PD_PLUSPLUS_FACE +typedef struct t_list : t_pd { +#else +typedef struct t_list { + t_pd *pd; +#endif + struct _atom *v; + size_t capa; + size_t refcount; + size_t n; +} t_list, t_binbuf; + +typedef struct _array t_array; /* g_canvas.h */ + +/* pointers to glist and array elements go through a "stub" which sticks +around after the glist or array is freed. The stub itself is deleted when +both the glist/array is gone and the refcount is zero, ensuring that no +gpointers are pointing here. */ + +#ifdef PD_PLUSPLUS_FACE +typedef struct _gpointer { + union { + struct _scalar *scalar; /* scalar we're in (if glist) */ + union word *w; /* raw data (if array) */ + }; + union { + struct _glist *canvas; + struct _array *array; + struct t_text *o; + }; + size_t dummy; + size_t refcount; +//#define gs_refcount refcount +#define gs_refcount canvas->refcount +} t_gpointer; +#else +typedef struct _gpointer { + union { + struct _scalar *gp_scalar; /* scalar we're in (if glist) */ + union word *gp_w; /* raw data (if array) */ + } gp_un; + union { + struct _glist *canvas; + struct _array *array; + struct _text *o; + } un; + size_t dummy; + size_t refcount; +//#define gs_refcount un.canvas->gl_obj.refcount +#define gs_refcount refcount +} t_gpointer; +#endif + +#define w_list w_canvas +typedef union word { + t_float w_float; /* A_FLOAT */ + t_symbol *w_symbol; /* A_SYMBOL or A_DOLLSYM */ + t_gpointer *w_gpointer; /* A_POINTER */ + t_array *w_array; /* DT_ARRAY */ + struct _glist *w_canvas; /* DT_LIST */ + t_int w_index; /* A_SEMI or A_COMMA or A_DOLLAR */ +} t_word; + +typedef enum { + A_NULL, /* non-type: represents end of typelist */ + A_FLOAT, A_SYMBOL, A_POINTER, /* stable elements */ + A_SEMI, A_COMMA, /* radioactive elements of the first kind */ + A_DEFFLOAT, A_DEFSYM, /* pseudo-types for optional (DEFault) arguments */ + A_DOLLAR, A_DOLLSYM, /* radioactive elements of the second kind */ + A_GIMME, /* non-type: represents varargs */ + A_CANT, /* bottom type: type constraint is impossible */ + A_ATOM /* top type: type constraint doesn't constrain */ +} t_atomtype; + +#define A_DEFSYMBOL A_DEFSYM /* better name for this */ + +typedef struct _atom { + t_atomtype a_type; + union word a_w; +#ifdef __cplusplus + operator float () {return a_w.w_float;} + operator t_symbol *() {return a_w.w_symbol;} + //bool operator == (_atom &o) {return a_type==o.a_type && a_w.w_index==o.a_w.w_index;} + //bool operator != (_atom &o) {return a_type!=o.a_type || a_w.w_index!=o.a_w.w_index;} +#endif +} t_atom; + +struct t_arglist {long c; t_atom v[0];}; + +typedef unsigned long long uint64; + +/* t_appendix is made of the things that logically ought to be in t_gobj but have been put in a + separate memory space because this allows most externals to work unmodified on both DesireData + and non-DesireData systems. The equivalent in the Tcl side is really part of every view object. */ +typedef struct t_appendix { + t_canvas *canvas; /* the holder of this object */ +/* actual observable */ + size_t nobs; /* number of spies */ + struct _gobj **obs; /* I spy with my little I */ +/* miscellaneous */ +#ifdef __cplusplus + t_hash<t_symbol *, t_arglist *> *visual; +#else + void *visual; +#endif + long index; /* index of an object within its canvas scope. */ + uint64 elapsed; +} t_appendix; +t_appendix *appendix_new (struct _gobj *master); +void appendix_free(struct _gobj *self); +void appendix_save(struct _gobj *master, t_binbuf *b); + +#ifdef PD_PLUSPLUS_FACE +#define g_pd _class +typedef struct _gobj : t_pd { +#else +typedef struct _gobj /* a graphical object */ +{ + t_pd g_pd; /* pure datum header (class) */ +#endif + t_appendix *dix; +#define g_adix dix +#ifdef PD_PLUSPLUS_FACE + _gobj *next(); +#endif +} t_gobj; + +#ifdef PD_PLUSPLUS_FACE +typedef struct _outconnect : _gobj { + struct _outconnect *next; + t_pd *oc_to; + struct t_text *from; + struct t_text *to; + short outlet, inlet; +} t_outconnect, t_wire; +#define oc_next next +#else +typedef struct _outconnect t_outconnect; +#endif + +#ifdef PD_PLUSPLUS_FACE +typedef struct _scalar : t_gobj { +#else +typedef struct _scalar /* a graphical object holding data */ +{ + t_gobj sc_gobj; /* header for graphical object */ +#endif + t_symbol *t; /* template name (LATER replace with pointer) */ + t_word v[1]; /* indeterminate-length array of words */ +} t_scalar; + +#define sc_template t +#define sc_vec v + +#ifdef PD_PLUSPLUS_FACE +typedef struct t_text : t_gobj { +#else +typedef struct _text /* patchable object - graphical, with text */ +{ + t_gobj te_g; /* header for graphical object */ +#endif + t_binbuf *binbuf; /* holder for the text */ + t_outlet *outlet; /* linked list of outlets */ + t_inlet *inlet; /* linked list of inlets */ + short x,y; /* x&y location (within the toplevel) */ + int refcount; /* there used to be a bitfield here, which may be a problem with ms-bitfields (?) */ +#ifdef PD_PLUSPLUS_FACE + t_inlet * in(int n); + t_outlet *out(int n); +#endif +} t_text, t_object; + +#define te_binbuf binbuf +#define te_outlet outlet +#define te_inlet inlet +#define te_xpix x +#define te_ypix y +#define te_width width +#define te_type type + +#define ob_outlet te_outlet +#define ob_inlet te_inlet +#define ob_binbuf te_binbuf +#ifdef PD_PLUSPLUS_FACE +#define te_pd g_pd +#define ob_pd g_pd +#else +#define te_pd te_g.g_pd +#define ob_pd te_g.g_pd +#endif +#define ob_g te_g + +/* don't take those three types for cash (on average). they're lying because the type system can't express what there is to be expressed. */ +typedef void (*t_method)(void); +typedef void *(*t_newmethod)(void); +typedef void (*t_gotfn)(void *x, ...); + +/* ---------------- pre-defined objects and symbols --------------*/ +EXTERN t_pd pd_objectmaker; /* factory for creating "object" boxes */ +EXTERN t_pd pd_canvasmaker; /* factory for creating canvases */ +EXTERN t_symbol s_pointer, s_float, s_symbol; +EXTERN t_symbol s_bang, s_list, s_anything, s_signal; +EXTERN t_symbol s__N, s__X, s_x, s_y, s_; + +/* --------- central message system ----------- */ +EXTERN void pd_typedmess(t_pd *x, t_symbol *s, int argc, t_atom *argv); +EXTERN void pd_forwardmess(t_pd *x, int argc, t_atom *argv); +EXTERN t_symbol *gensym(const char *s); +EXTERN t_symbol *gensym2(const char *s, size_t n); +EXTERN t_symbol *symprintf(const char *s, ...); +EXTERN t_gotfn getfn(t_pd *x, t_symbol *s); +EXTERN t_gotfn zgetfn(t_pd *x, t_symbol *s); +EXTERN void nullfn(void); +EXTERN void pd_vmess(t_pd *x, t_symbol *s, char *fmt, ...); +#define mess0(x,s) (getfn((x),(s))((x))) +#define mess1(x,s,a) (getfn((x),(s))((x),(a))) +#define mess2(x,s,a,b) (getfn((x),(s))((x),(a),(b))) +#define mess3(x,s,a,b,c) (getfn((x),(s))((x),(a),(b),(c))) +#define mess4(x,s,a,b,c,d) (getfn((x),(s))((x),(a),(b),(c),(d))) +#define mess5(x,s,a,b,c,d,e) (getfn((x),(s))((x),(a),(b),(c),(d),(e))) +EXTERN void obj_list(t_object *x, t_symbol *s, int argc, t_atom *argv); +EXTERN t_pd *pd_newest(void); /* multiclient race conditions? */ + +/* --------------- memory management -------------------- */ +EXTERN void *getbytes(size_t nbytes); /* deprecated, use malloc() */ +EXTERN void *copybytes(void *src, size_t nbytes); +EXTERN void freebytes(void *x, size_t nbytes); /* deprecated, use free() */ +EXTERN void *resizebytes(void *x, size_t oldsize, size_t newsize); /* deprecated, use realloc() */ + +/* T.Grill - functions for aligned memory (according to CPU SIMD architecture) */ +EXTERN void *getalignedbytes(size_t nbytes); +EXTERN void *copyalignedbytes(void *src, size_t nbytes); +EXTERN void freealignedbytes(void *x,size_t nbytes); +EXTERN void *resizealignedbytes(void *x,size_t oldsize, size_t newsize); +/* -------------------- atoms ----------------------------- */ + +#define atom_decref(atom) (void)42 +#define atom_incref(atom) (void)42 +#define SETATOM(atom,type,field,value) (atom_decref(atom), (atom)->a_type=type, (atom)->a_w.field=value, atom_incref(atom)) +#define SETSEMI(atom) SETATOM(atom,A_SEMI, w_index,0) +#define SETCOMMA(atom) SETATOM(atom,A_COMMA, w_index,0) +#define SETPOINTER(atom, gp) SETATOM(atom,A_POINTER,w_gpointer,(gp)) /* looks unsafe... */ +#define SETFLOAT(atom, f) SETATOM(atom,A_FLOAT, w_float,(f)) +#define SETSYMBOL(atom, s) SETATOM(atom,A_SYMBOL, w_symbol,(s)) +#define SETSTRING(atom, s) SETATOM(atom,A_SYMBOL, w_symbol,gensym(s)) +#define SETDOLLAR(atom, n) SETATOM(atom,A_DOLLAR, w_index,(n)) +#define SETDOLLSYM(atom, s) SETATOM(atom,A_DOLLSYM,w_symbol,(s)) + +EXTERN t_float atom_getfloat( t_atom *a); +EXTERN t_int atom_getint( t_atom *a); +EXTERN t_symbol *atom_getsymbol(t_atom *a); /* this call causes a t_symbol to become æternal */ +EXTERN const char *atom_getstring(t_atom *a); /* the return value should be used only immediately */ +EXTERN t_float atom_getfloatarg( int which, int argc, t_atom *argv); +EXTERN t_int atom_getintarg( int which, int argc, t_atom *argv); +EXTERN t_symbol *atom_getsymbolarg(int which, int argc, t_atom *argv); +EXTERN const char *atom_getstringarg(int which, int argc, t_atom *argv); /* see above */ + +EXTERN t_symbol *atom_gensym( t_atom *a); + +/* this function should produce a literal, whereas getstring gives the exact string */ +EXTERN void atom_string(t_atom *a, char *buf, unsigned int bufsize); +#ifdef __cplusplus +EXTERN void atom_ostream(t_atom *a, std::ostream &buf); +inline std::ostream &operator <<(std::ostream &buf, t_atom *a) {atom_ostream(a,buf); return buf;} +#endif + +/* goes with desiredata's CLASS_NEWATOM */ +EXTERN void atom_init(t_atom *a, size_t n); +EXTERN void atom_copy(t_atom *a, t_atom *b, size_t n); +EXTERN void atom_delete(t_atom *a, size_t n); + +/* ------------------ binbufs --------------- */ + +EXTERN t_binbuf *binbuf_new(void); +EXTERN void binbuf_free(t_binbuf *x); +EXTERN t_binbuf *binbuf_duplicate(t_binbuf *y); + +EXTERN void binbuf_text(t_binbuf *x, char *text, size_t size); +EXTERN void binbuf_gettext(t_binbuf *x, char **bufp, int *lengthp); +EXTERN char *binbuf_gettext2(t_binbuf *x); +EXTERN void binbuf_clear(t_binbuf *x); +EXTERN void binbuf_add(t_binbuf *x, int argc, t_atom *argv); +EXTERN void binbuf_addv(t_binbuf *x, char *fmt, ...); +EXTERN void binbuf_addbinbuf(t_binbuf *x, t_binbuf *y); +EXTERN void binbuf_addsemi(t_binbuf *x); +EXTERN void binbuf_restore(t_binbuf *x, int argc, t_atom *argv); +EXTERN void binbuf_print(t_binbuf *x); +EXTERN int binbuf_getnatom(t_binbuf *x); +EXTERN t_atom *binbuf_getvec(t_binbuf *x); +EXTERN void binbuf_eval(t_binbuf *x, t_pd *target, int argc, t_atom *argv); +EXTERN int binbuf_read( t_binbuf *b, char *filename, char *dirname, int flags); +EXTERN int binbuf_read_via_canvas(t_binbuf *b, char *filename, t_canvas *canvas, int flags); +EXTERN int binbuf_read_via_path( t_binbuf *b, char *filename, char *dirname, int flags); +EXTERN int binbuf_write( t_binbuf *x, char *filename, char *dir, int flags); +EXTERN void binbuf_evalfile(t_symbol *name, t_symbol *dir); +EXTERN t_symbol *binbuf_realizedollsym(t_symbol *s, int ac, t_atom *av, int tonew); + +/* ------------------ clocks --------------- */ + +EXTERN t_clock *clock_new(void *owner, t_method fn); +EXTERN void clock_set(t_clock *x, double systime); +EXTERN void clock_delay(t_clock *x, double delaytime); +EXTERN void clock_unset(t_clock *x); +EXTERN double clock_getlogicaltime(void); +EXTERN double clock_getsystime(void); /* OBSOLETE; use clock_getlogicaltime() */ +EXTERN double clock_gettimesince(double prevsystime); +EXTERN double clock_getsystimeafter(double delaytime); +EXTERN void clock_free(t_clock *x); + +/* ----------------- pure data ---------------- */ +EXTERN t_pd *pd_new(t_class *cls); +EXTERN void pd_free(t_pd *x); +EXTERN void pd_bind( t_pd *x, t_symbol *s); +EXTERN void pd_unbind(t_pd *x, t_symbol *s); +EXTERN t_pd *pd_findbyclass(t_symbol *s, t_class *c); +EXTERN void pd_pushsym(t_pd *x); +EXTERN void pd_popsym( t_pd *x); +EXTERN t_symbol *pd_getfilename(void); +EXTERN t_symbol *pd_getdirname(void); +EXTERN void pd_bang( t_pd *x); +EXTERN void pd_pointer( t_pd *x, t_gpointer *gp); +EXTERN void pd_float( t_pd *x, t_float f); +EXTERN void pd_symbol( t_pd *x, t_symbol *s); +EXTERN void pd_string( t_pd *x, const char *s); /* makes a refcounted symbol (copying s) */ +EXTERN void pd_list( t_pd *x, t_symbol *s, int argc, t_atom *argv); + +#ifdef PD_PLUSPLUS_FACE +#define pd_class(x) ((x)->_class) +#else +#define pd_class(x) (*(x)) +#endif + +EXTERN void gobj_subscribe (t_gobj *self, t_gobj *observer); +EXTERN void gobj_unsubscribe (t_gobj *self, t_gobj *observer); +EXTERN void gobj_changed (t_gobj *self, const char *k); +EXTERN void gobj_changed2 (t_gobj *self, int argc, t_atom *argv); +EXTERN void gobj_changed3 (t_gobj *self, t_gobj *origin, int argc, t_atom *argv); + +/* ----------------- pointers ---------------- */ +EXTERN void gpointer_init(t_gpointer *gp); +EXTERN void gpointer_copy(const t_gpointer *gpfrom, t_gpointer *gpto); +EXTERN void gpointer_unset(t_gpointer *gp); +EXTERN int gpointer_check(const t_gpointer *gp, int headok); + +/* ----------------- patchable "objects" -------------- */ +/* already defined +EXTERN_STRUCT _inlet; +#define t_inlet struct _inlet +EXTERN_STRUCT _outlet; +#define t_outlet struct _outlet +*/ +EXTERN t_inlet *inlet_new(t_object *owner, t_pd *dest, t_symbol *s1, t_symbol *s2); +EXTERN t_inlet *pointerinlet_new(t_object *owner, t_gpointer *gp); +EXTERN t_inlet *floatinlet_new(t_object *owner, t_float *fp); +EXTERN t_inlet *symbolinlet_new(t_object *owner, t_symbol **sp); +EXTERN t_inlet *stringinlet_new(t_object *owner, t_symbol **sp); /* for future use */ +EXTERN t_inlet *signalinlet_new(t_object *owner, t_float f); +EXTERN void inlet_free(t_inlet *x); + +EXTERN t_outlet *outlet_new(t_object *owner, t_symbol *s); +EXTERN void outlet_bang( t_outlet *x); +EXTERN void outlet_pointer( t_outlet *x, t_gpointer *gp); +EXTERN void outlet_float( t_outlet *x, t_float f); +EXTERN void outlet_symbol( t_outlet *x, t_symbol *s); +EXTERN void outlet_string( t_outlet *x, const char *s); /* makes a refcounted symbol (copying s) */ +EXTERN void outlet_atom( t_outlet *x, t_atom *a); +EXTERN void outlet_list( t_outlet *x, t_symbol *s, int argc, t_atom *argv); +EXTERN void outlet_anything(t_outlet *x, t_symbol *s, int argc, t_atom *argv); +EXTERN t_symbol *outlet_getsymbol(t_outlet *x); +EXTERN void outlet_free(t_outlet *x); +EXTERN t_object *pd_checkobject(t_pd *x); + +/* -------------------- canvases -------------- */ + +EXTERN void glob_setfilename(void *dummy, t_symbol *name, t_symbol *dir); +EXTERN void canvas_setargs(int argc, t_atom * argv ); +EXTERN void canvas_getargs(int *argcp, t_atom **argvp); +EXTERN t_symbol *canvas_getcurrentdir(void); +EXTERN t_glist *canvas_getcurrent(void); +/* if result==0 then it will allocate a result and return it */ +EXTERN char *canvas_makefilename(t_glist *c, char *file, char *result, int resultsize); +EXTERN t_symbol *canvas_getdir(t_glist *x); +EXTERN void canvas_dataproperties(t_glist *x, t_scalar *sc, t_binbuf *b); +EXTERN int canvas_open( t_canvas *x, const char *name, const char *ext, char * dirresult, char **nameresult, unsigned int size, int bin); +EXTERN int canvas_open2(t_canvas *x, const char *name, const char *ext, char **dirresult, char **nameresult, int bin); + +/* -------------------- classes -------------- */ + +#define CLASS_DEFAULT 0 /* flags for new classes below */ +#define CLASS_PD 1 +#define CLASS_GOBJ 2 +#define CLASS_PATCHABLE 3 +#define CLASS_NOINLET 8 +#define CLASS_NEWATOMS 16 +#define CLASS_TYPEMASK 3 + +#ifdef __cplusplus +typedef int t_atomtypearg; +#else +typedef t_atomtype t_atomtypearg; +#endif + +EXTERN t_class *class_find (t_symbol *s); +EXTERN t_class *class_new( t_symbol *name,t_newmethod nu,t_method freem,size_t size,int flags,t_atomtypearg arg1, ...); +EXTERN t_class *class_new2(const char *name,t_newmethod nu,t_method freem,size_t size,int flags,const char *sig); +EXTERN void class_addcreator( t_newmethod nu, t_symbol *sel, t_atomtypearg arg1, ...); +EXTERN void class_addcreator2(const char *name, t_newmethod nu, const char *sig); +EXTERN void class_addmethod( t_class *c, t_method fn, t_symbol *sel, t_atomtypearg arg1, ...); +EXTERN void class_addmethod2( t_class *c, t_method fn, const char *sel, const char *sig); +#define class_new2(NAME,NU,FREE,SIZE,FLAGS,SIG) class_new2(NAME,(t_newmethod)NU,(t_method)FREE,SIZE,FLAGS,SIG) +#define class_addcreator2(NAME,NU,SIG) class_addcreator2(NAME,(t_newmethod)NU,SIG) +#define class_addmethod2(NAME,METH,SEL,SIG) class_addmethod2(NAME,(t_method)METH,SEL,SIG) + +EXTERN void class_addbang( t_class *c, t_method fn); +EXTERN void class_addpointer( t_class *c, t_method fn); +EXTERN void class_doaddfloat( t_class *c, t_method fn); +EXTERN void class_addsymbol( t_class *c, t_method fn); +EXTERN void class_addstring( t_class *c, t_method fn); /* for future use */ +EXTERN void class_addlist( t_class *c, t_method fn); +EXTERN void class_addanything(t_class *c, t_method fn); +EXTERN void class_sethelpsymbol(t_class *c, t_symbol *s); +EXTERN char *class_getname(t_class *c); +EXTERN char *class_gethelpname(t_class *c); +EXTERN void class_setdrawcommand(t_class *c); +EXTERN int class_isdrawcommand(t_class *c); +EXTERN void class_domainsignalin(t_class *c, int onset); +#define CLASS_MAINSIGNALIN(c, type, field) \ + class_domainsignalin(c, (char *)(&((type *)0)->field) - (char *)0) + +/* in "class" observer: observable calls this to notify of a change */ +typedef void (*t_notice)( t_gobj *x, t_gobj *origin, int argc, t_atom *argv); +EXTERN void class_setnotice(t_class *c, t_notice notice); + +/* in "class" observable: observable sends initial data to observer */ +/* this is called by gobj_subscribe to find out all the indirect subscriptions of aggregators. */ +/* every class that redefines this is an aggregator; every aggregator should redefine this. */ +/* "calling super" is done by calling gobj_onsubscribe with same args */ +typedef void (*t_onsubscribe)(t_gobj *x, t_gobj *observer); +EXTERN void class_setonsubscribe(t_class *c, t_onsubscribe onsubscribe); +EXTERN void gobj_onsubscribe(t_gobj *x, t_gobj *observer); /* default handler, that you may inherit from */ + +/* prototype for functions to save Pd's to a binbuf */ +typedef void (*t_savefn)(t_gobj *x, t_binbuf *b); +EXTERN void class_setsavefn(t_class *c, t_savefn f); +EXTERN t_savefn class_getsavefn(t_class *c); + +#ifndef PD_CLASS_DEF +#define class_addbang(x, y) class_addbang( (x), (t_method)(y)) +#define class_addpointer(x, y) class_addpointer( (x), (t_method)(y)) +#define class_addfloat(x, y) class_doaddfloat( (x), (t_method)(y)) +#define class_addsymbol(x, y) class_addsymbol( (x), (t_method)(y)) +#define class_addstring(x, y) class_addstring( (x), (t_method)(y)) /* for future use */ +#define class_addlist(x, y) class_addlist( (x), (t_method)(y)) +#define class_addanything(x, y) class_addanything((x), (t_method)(y)) +#endif + +EXTERN void class_settip(t_class *x,t_symbol* s); +EXTERN void inlet_settip(t_inlet* i,t_symbol* s); +EXTERN void class_setfieldnames(t_class *x, const char *s); /* where s is split on spaces and tokenized */ +EXTERN int class_getfieldindex(t_class *x, const char *s); +typedef int (*t_loader)(t_canvas *canvas, char *classname); +EXTERN void sys_register_loader(t_loader loader); + +/* ------------ printing --------------------------------- */ +EXTERN void post(const char *fmt, ...); +EXTERN void startpost(const char *fmt, ...); +EXTERN void poststring(const char *s); +EXTERN void postfloat(float f); +EXTERN void postatom(int argc, t_atom *argv); +EXTERN void endpost(void); +EXTERN void error(const char *fmt, ...); +EXTERN void verror(const char *fmt, va_list args); +EXTERN void verbose(int level, const char *fmt, ...); +EXTERN void bug(const char *fmt, ...); +EXTERN void pd_error(void *object, const char *fmt, ...) /*__attribute__ ((deprecated))*/; +EXTERN void sys_logerror(const char *object, const char *s); +EXTERN void sys_unixerror(const char *object); +EXTERN void sys_ouch(void); + +/* ------------ system interface routines ------------------- */ +EXTERN int sys_isreadablefile(const char *name); +EXTERN void sys_bashfilename(const char *from, char *to); +EXTERN void sys_unbashfilename(const char *from, char *to); +EXTERN int open_via_path(const char *name, const char *ext, const char *dir, + char *dirresult, char **nameresult, unsigned int size, int bin); +EXTERN int open_via_path2(const char *dir, const char *name, const char *ext, char **dirresult, char **nameresult, int bin); + +EXTERN int sched_geteventno(void); +EXTERN double sys_getrealtime(void); + + +/* ------------ threading ------------------- */ +/* T.Grill - see m_sched.c */ +EXTERN void sys_lock(void); +EXTERN void sys_unlock(void); +EXTERN int sys_trylock(void); +EXTERN int sys_timedlock(int microsec); +/* tb: to be called at idle time */ +EXTERN void sys_callback(t_int (*callback) (t_int* argv), t_int* argv, t_int argc); + +/* --------------- signals ----------------------------------- */ + +typedef float t_sample; +#define MAXLOGSIG 32 +#define MAXSIGSIZE (1 << MAXLOGSIG) + +/* this doesn't really have to do with C++, just with getting rid of prefixes */ +#ifdef PD_PLUSPLUS_FACE +struct t_signal { + int n; + t_sample *v; + float sr; + int refcount; + int isborrowed; + t_signal *borrowedfrom; + t_signal *nextfree; + t_signal *nextused; + int vecsize; +}; +#else +typedef struct _signal { + int s_n; /* number of points in the array */ + t_sample *s_vec; /* the array */ + float s_sr; /* sample rate */ + int s_refcount; /* number of times used */ + int s_isborrowed; /* whether we're going to borrow our array */ + struct _signal *s_borrowedfrom; /* signal to borrow it from */ + struct _signal *s_nextfree; /* next in freelist */ + struct _signal *s_nextused; /* next in used list */ + int s_vecsize; /* allocated size of array in points */ +} t_signal; +#endif + +typedef t_int *(*t_perfroutine)(t_int *args); + +/* tb: exporting basic arithmetic dsp functions { + * for (n % 8) != 0 */ +EXTERN t_int *zero_perform(t_int *args); +EXTERN t_int *copy_perform(t_int *args); +EXTERN t_int *plus_perform( t_int *args); EXTERN t_int *scalarplus_perform( t_int *args); +EXTERN t_int *minus_perform(t_int *args); EXTERN t_int *scalarminus_perform(t_int *args); +EXTERN t_int *times_perform(t_int *args); EXTERN t_int *scalartimes_perform(t_int *args); +EXTERN t_int *over_perform( t_int *args); EXTERN t_int *scalarover_perform( t_int *args); +EXTERN t_int *max_perform( t_int *args); EXTERN t_int *scalarmax_perform( t_int *args); +EXTERN t_int *min_perform( t_int *args); EXTERN t_int *scalarmin_perform( t_int *args); +EXTERN t_int *sig_tilde_perform(t_int *args); +EXTERN t_int *clip_perform(t_int *args); + +/* for (n % 8) == 0 */ +EXTERN t_int *zero_perf8(t_int *args); +EXTERN t_int *copy_perf8(t_int *args); +EXTERN t_int *plus_perf8( t_int *args); EXTERN t_int *scalarplus_perf8( t_int *args); +EXTERN t_int *minus_perf8(t_int *args); EXTERN t_int *scalarminus_perf8(t_int *args); +EXTERN t_int *times_perf8(t_int *args); EXTERN t_int *scalartimes_perf8(t_int *args); +EXTERN t_int *over_perf8( t_int *args); EXTERN t_int *scalarover_perf8( t_int *args); +EXTERN t_int *max_perf8( t_int *args); EXTERN t_int *scalarmax_perf8( t_int *args); +EXTERN t_int *min_perf8( t_int *args); EXTERN t_int *scalarmin_perf8( t_int *args); +EXTERN t_int *sqr_perf8(t_int *args); +EXTERN t_int *sig_tilde_perf8(t_int *args); + +/* for (n % 8) == 0 && aligned signal vectors + * check with simd_checkX functions !!! */ +EXTERN t_int *zero_perf_simd(t_int *args); +EXTERN t_int *copy_perf_simd(t_int *args); +EXTERN t_int *plus_perf_simd( t_int *args); EXTERN t_int *scalarplus_perf_simd( t_int *args); +EXTERN t_int *minus_perf_simd(t_int *args); EXTERN t_int *scalarminus_perf_simd(t_int *args); +EXTERN t_int *times_perf_simd(t_int *args); EXTERN t_int *scalartimes_perf_simd(t_int *args); +EXTERN t_int *over_perf_simd( t_int *args); EXTERN t_int *scalarover_perf_simd( t_int *args); +EXTERN t_int *max_perf_simd( t_int *args); EXTERN t_int *scalarmax_perf_simd( t_int *args); +EXTERN t_int *min_perf_simd( t_int *args); EXTERN t_int *scalarmin_perf_simd( t_int *args); +EXTERN t_int *sqr_perf_simd(t_int *args); +EXTERN t_int *sig_tilde_perf_simd(t_int *args); +EXTERN t_int *clip_perf_simd(t_int *args); +/* } tb */ + +EXTERN void dsp_add_plus(t_sample *in1, t_sample *in2, t_sample *out, int n); +EXTERN void dsp_add_copy(t_sample *in, t_sample *out, int n); +EXTERN void dsp_add_scalarcopy(t_sample *in, t_sample *out, int n); +EXTERN void dsp_add_zero(t_sample *out, int n); + +EXTERN int sys_getblksize(void); +EXTERN float sys_getsr(void); +EXTERN int sys_get_inchannels(void); +EXTERN int sys_get_outchannels(void); + +EXTERN void dsp_add(t_perfroutine f, int n, ...); +EXTERN void dsp_addv(t_perfroutine f, int n, t_int *vec); +EXTERN void pd_fft(float *buf, int npoints, int inverse); +EXTERN int ilog2(int n); + +EXTERN void mayer_fht(float *fz, int n); +EXTERN void mayer_fft(int n, float *real, float *imag); +EXTERN void mayer_ifft(int n, float *real, float *imag); +EXTERN void mayer_realfft(int n, float *real); +EXTERN void mayer_realifft(int n, float *real); + +EXTERN float *cos_table; +#define LOGCOSTABSIZE 9 +#define COSTABSIZE (1<<LOGCOSTABSIZE) + +EXTERN int canvas_suspend_dsp(void); +EXTERN void canvas_resume_dsp(int oldstate); +EXTERN void canvas_update_dsp(void); +EXTERN int canvas_dspstate; + +/* IOhannes { (up/downsampling) */ +/* use zero-padding to generate samples inbetween */ +#define RESAMPLE_ZERO 0 +/* use sample-and-hold to generate samples inbetween */ +#define RESAMPLE_HOLD 1 +/* use linear interpolation to generate samples inbetween */ +#define RESAMPLE_LINEAR 2 +/* not a real up/downsampling: + * upsampling: copy the original vector to the first part of the upsampled vector; the rest is zero + * downsampling: take the first part of the original vector as the downsampled vector + * WHAT FOR: we often want to process only the first half of an FFT-signal (the rest is redundant) + */ +#define RESAMPLE_BLOCK 3 + +#define RESAMPLE_DEFAULT RESAMPLE_ZERO + +typedef struct _resample { + int method; /* up/downsampling method ID */ + t_int downsample; /* downsampling factor */ + t_int upsample; /* upsampling factor */ +#ifdef PD_PLUSPLUS_FACE + t_float *v; /* here we hold the resampled data */ + int n; +#else + t_float *vec; + int s_n; +#endif + t_float *coeffs; /* coefficients for filtering... */ + int coefsize; + t_float *buffer; /* buffer for filtering */ + int bufsize; +} t_resample; + +EXTERN void resample_init(t_resample *x); +EXTERN void resample_free(t_resample *x); +EXTERN void resample_dsp(t_resample *x, t_sample *in, int insize, t_sample *out, int outsize, int method); +EXTERN void resamplefrom_dsp(t_resample *x, t_sample *in, int insize, int outsize, int method); +EXTERN void resampleto_dsp(t_resample *x, t_sample *out, int insize, int outsize, int method); +/* } IOhannes */ + +/* tb: exporting basic simd coded dsp functions { */ + +/* vectorized, not simd functions*/ +EXTERN void zerovec_8(t_float *dst,int n); +EXTERN void setvec_8(t_float *dst,t_float v,int n); +EXTERN void copyvec_8(t_float *dst,const t_float *src,int n); +EXTERN void addvec_8(t_float *dst,const t_float *src,int n); +EXTERN void testcopyvec_8(t_float *dst,const t_float *src,int n); +EXTERN void testaddvec_8(t_float *dst,const t_float *src,int n); +/* EXTERN float sumvec_8(t_float* in, t_int n); */ + +/* vectorized, simd functions * + * dst and src are assumed to be aligned */ +EXTERN void zerovec_simd(t_float *dst,int n); +EXTERN void setvec_simd(t_float *dst,t_float v,int n); +EXTERN void copyvec_simd(t_float *dst,const t_float *src,int n); +EXTERN void addvec_simd(t_float *dst,const t_float *src,int n); +EXTERN void testcopyvec_simd(t_float *dst,const t_float *src,int n); +EXTERN void testaddvec_simd(t_float *dst,const t_float *src,int n); +/* EXTERN float sumvec_simd(t_float* in, t_int n); */ +EXTERN void copyvec_simd_unalignedsrc(t_float *dst,const t_float *src,int n); + +/* not vectorized, not simd functions */ +EXTERN void copyvec(t_float *dst,const t_float *src,int n); +EXTERN void addvec(t_float *dst,const t_float *src,int n); +EXTERN void zerovec(t_float *dst, int n); + +EXTERN int simd_runtime_check(void); +EXTERN int simd_check1(t_int n, t_float* ptr1); +EXTERN int simd_check2(t_int n, t_float* ptr1, t_float* ptr2); +EXTERN int simd_check3(t_int n, t_float* ptr1, t_float* ptr2, t_float* ptr3); + +/* } tb */ + + +/* ----------------------- utility functions for signals -------------- */ +EXTERN float mtof(float); +EXTERN float ftom(float); +EXTERN float rmstodb(float); +EXTERN float powtodb(float); +EXTERN float dbtorms(float); +EXTERN float dbtopow(float); + +EXTERN float q8_sqrt(float); +EXTERN float q8_rsqrt(float); +#ifndef N32 +EXTERN float qsqrt(float); /* old names kept for extern compatibility */ +EXTERN float qrsqrt(float); +#endif +/* --------------------- data --------------------------------- */ + +/* graphical arrays */ +typedef struct _garray t_garray; + +EXTERN t_class *garray_class; +EXTERN int garray_getfloatarray(t_garray *x, int *size, t_float **vec); +EXTERN float garray_get(t_garray *x, t_symbol *s, t_int indx); +EXTERN void garray_redraw(t_garray *x); +EXTERN int garray_npoints(t_garray *x); +EXTERN char *garray_vec(t_garray *x); +EXTERN void garray_resize(t_garray *x, t_floatarg f); +EXTERN void garray_usedindsp(t_garray *x); +EXTERN void garray_setsaveit(t_garray *x, int saveit); +EXTERN double garray_updatetime(t_garray *x); + +EXTERN t_class *scalar_class; + +EXTERN t_float *value_get(t_symbol *s); +EXTERN void value_release(t_symbol *s); +EXTERN int value_getfloat(t_symbol *s, t_float *f); +EXTERN int value_setfloat(t_symbol *s, t_float f); + +/* ------- GUI interface - functions to send strings to TK --------- */ +EXTERN void sys_vgui(char *fmt, ...); +EXTERN void sys_gui(char *s); + +extern t_class *glob_pdobject; /* object to send "pd" messages */ + +/*------------- Max 0.26 compatibility --------------------*/ + +#define t_getbytes getbytes +#define t_freebytes freebytes +#define t_resizebytes resizebytes +#define typedmess pd_typedmess +#define vmess pd_vmess + +/* A definition to help gui objects straddle 0.34-0.35 changes. If this is +defined, there is a "te_xpix" field in objects, not a "te_xpos" as before: */ + +#define PD_USE_TE_XPIX + +#ifdef __i386__ +/* a test for NANs and denormals. Should only be necessary on i386. */ +#define PD_BADFLOAT(f) ((((*(unsigned int*)&(f))&0x7f800000)==0) || \ + (((*(unsigned int*)&(f))&0x7f800000)==0x7f800000)) +/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */ +#define PD_BIGORSMALL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \ + (((*(unsigned int*)&(f))&0x60000000)==0x60000000)) +#else +#define PD_BADFLOAT(f) 0 +#define PD_BIGORSMALL(f) 0 +#endif + +/* tb: wrapper for PD_BIGORSMALL macro */ +EXTERN void testcopyvec(t_float *dst,const t_float *src,int n); +EXTERN void testaddvec(t_float *dst,const t_float *src,int n); + +/* tb's fifos */ +typedef struct _fifo t_fifo; +/* function prototypes */ +EXTERN t_fifo * fifo_init(void); +EXTERN void fifo_destroy(t_fifo*); +/* fifo_put() and fifo_get are the only threadsafe functions!!! */ +EXTERN void fifo_put(t_fifo*, void*); +EXTERN void* fifo_get(t_fifo*); + +#if defined(_LANGUAGE_C_PLUS_PLUS) || defined(__cplusplus) +} +#endif + +#define __m_pd_h_ +#endif /* __m_pd_h_ */ + +/* removed functions: + sys_fontwidth, sys_fontheight, t_widgetbehavior, class_setproperties, + class_setwidget, class_setparentwidget, class_parentwidget, pd_getparentwidget, + sys_pretendguibytes, sys_queuegui, sys_unqueuegui, getzbytes, + gfxstub_new, gfxstub_deleteforkey + removed fields: te_width, te_type. + */ +/* externs that use g_next directly can't work with desiredata: gui/state, clone, dyn, dynext, toxy, cyclone */ |