Mercurial > hg > beaglert
diff projects/basic_libpd/m_pd.h @ 230:af211ee57867 mergingClockSync
Working basic_libpd
| author | Giulio Moro <giuliomoro@yahoo.it> |
|---|---|
| date | Sat, 09 Apr 2016 08:19:09 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/projects/basic_libpd/m_pd.h Sat Apr 09 08:19:09 2016 +0100 @@ -0,0 +1,770 @@ +/* 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. */ + +#ifndef __m_pd_h_ + +#if defined(_LANGUAGE_C_PLUS_PLUS) || defined(__cplusplus) +extern "C" { +#endif + +#define PD_MAJOR_VERSION 0 +#define PD_MINOR_VERSION 46 +#define PD_BUGFIX_VERSION 6 +#define PD_TEST_VERSION "" +extern int pd_compatibilitylevel; /* e.g., 43 for pd 0.43 compatibility */ + +/* 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(NT) && !defined(MSW) +#define MSW +#endif + +/* These pragmas are only used for MSVC, not MinGW or Cygwin <hans@at.or.at> */ +#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 UNIX; in MSW it's ugly. */ +#ifdef _WIN32 +#ifdef PD_INTERNAL +#define EXTERN __declspec(dllexport) extern +#else +#define EXTERN __declspec(dllimport) extern +#endif /* PD_INTERNAL */ +#else +#define EXTERN extern +#endif /* _WIN32 */ + + /* and depending on the compiler, hidden data structures are + declared differently: */ +#if defined( __GNUC__) || defined( __BORLANDC__ ) || defined( __MWERKS__ ) +#define EXTERN_STRUCT struct +#else +#define EXTERN_STRUCT extern struct +#endif + +/* Define some attributes, specific to the compiler */ +#if defined(__GNUC__) +#define ATTRIBUTE_FORMAT_PRINTF(a, b) __attribute__ ((format (printf, a, b))) +#else +#define ATTRIBUTE_FORMAT_PRINTF(a, b) +#endif + +#if !defined(_SIZE_T) && !defined(_SIZE_T_) +#include <stddef.h> /* just for size_t -- how lame! */ +#endif + +/* Microsoft Visual Studio is not C99, it does not provide stdint.h */ +#ifdef _MSC_VER +typedef signed __int8 int8_t; +typedef signed __int16 int16_t; +typedef signed __int32 int32_t; +typedef signed __int64 int64_t; +typedef unsigned __int8 uint8_t; +typedef unsigned __int16 uint16_t; +typedef unsigned __int32 uint32_t; +typedef unsigned __int64 uint64_t; +#else +# include <stdint.h> +#endif + +/* for FILE, needed by sys_fopen() and sys_fclose() only */ +#include <stdio.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: */ +#if !defined(PD_LONGINTTYPE) +#define PD_LONGINTTYPE long +#endif + +#if !defined(PD_FLOATSIZE) + /* normally, our floats (t_float, t_sample,...) are 32bit */ +# define PD_FLOATSIZE 32 +#endif + +#if PD_FLOATSIZE == 32 +# define PD_FLOATTYPE float +/* an unsigned int of the same size as FLOATTYPE: */ +# define PD_FLOATUINTTYPE unsigned int + +#elif PD_FLOATSIZE == 64 +# define PD_FLOATTYPE double +# define PD_FLOATUINTTYPE unsigned long +#else +# error invalid FLOATSIZE: must be 32 or 64 +#endif + +typedef PD_LONGINTTYPE t_int; /* pointer-size integer */ +typedef PD_FLOATTYPE t_float; /* a float type at most the same size */ +typedef PD_FLOATTYPE t_floatarg; /* float type for function calls */ + +typedef struct _symbol +{ + char *s_name; + struct _class **s_thing; + struct _symbol *s_next; +} t_symbol; + +EXTERN_STRUCT _array; +#define t_array struct _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. */ + +#define GP_NONE 0 /* the stub points nowhere (has been cut off) */ +#define GP_GLIST 1 /* the stub points to a glist element */ +#define GP_ARRAY 2 /* ... or array */ + +typedef struct _gstub +{ + union + { + struct _glist *gs_glist; /* glist we're in */ + struct _array *gs_array; /* array we're in */ + } gs_un; + int gs_which; /* GP_GLIST/GP_ARRAY */ + int gs_refcount; /* number of gpointers pointing here */ +} t_gstub; + +typedef struct _gpointer /* pointer to a gobj in a glist */ +{ + union + { + struct _scalar *gp_scalar; /* scalar we're in (if glist) */ + union word *gp_w; /* raw data (if array) */ + } gp_un; + int gp_valid; /* number which must match gpointee */ + t_gstub *gp_stub; /* stub which points to glist/array */ +} t_gpointer; + +typedef union word +{ + t_float w_float; + t_symbol *w_symbol; + t_gpointer *w_gpointer; + t_array *w_array; + struct _binbuf *w_binbuf; + int w_index; +} t_word; + +typedef enum +{ + A_NULL, + A_FLOAT, + A_SYMBOL, + A_POINTER, + A_SEMI, + A_COMMA, + A_DEFFLOAT, + A_DEFSYM, + A_DOLLAR, + A_DOLLSYM, + A_GIMME, + A_CANT +} t_atomtype; + +#define A_DEFSYMBOL A_DEFSYM /* better name for this */ + +typedef struct _atom +{ + t_atomtype a_type; + union word a_w; +} t_atom; + +EXTERN_STRUCT _class; +#define t_class struct _class + +EXTERN_STRUCT _outlet; +#define t_outlet struct _outlet + +EXTERN_STRUCT _inlet; +#define t_inlet struct _inlet + +EXTERN_STRUCT _binbuf; +#define t_binbuf struct _binbuf + +EXTERN_STRUCT _clock; +#define t_clock struct _clock + +EXTERN_STRUCT _outconnect; +#define t_outconnect struct _outconnect + +EXTERN_STRUCT _glist; +#define t_glist struct _glist +#define t_canvas struct _glist /* LATER lose this */ + +typedef t_class *t_pd; /* pure datum: nothing but a class pointer */ + +typedef struct _gobj /* a graphical object */ +{ + t_pd g_pd; /* pure datum header (class) */ + struct _gobj *g_next; /* next in list */ +} t_gobj; + +typedef struct _scalar /* a graphical object holding data */ +{ + t_gobj sc_gobj; /* header for graphical object */ + t_symbol *sc_template; /* template name (LATER replace with pointer) */ + t_word sc_vec[1]; /* indeterminate-length array of words */ +} t_scalar; + +typedef struct _text /* patchable object - graphical, with text */ +{ + t_gobj te_g; /* header for graphical object */ + t_binbuf *te_binbuf; /* holder for the text */ + t_outlet *te_outlet; /* linked list of outlets */ + t_inlet *te_inlet; /* linked list of inlets */ + short te_xpix; /* x&y location (within the toplevel) */ + short te_ypix; + short te_width; /* requested width in chars, 0 if auto */ + unsigned int te_type:2; /* from defs below */ +} t_text; + +#define T_TEXT 0 /* just a textual comment */ +#define T_OBJECT 1 /* a MAX style patchable object */ +#define T_MESSAGE 2 /* a MAX stype message */ +#define T_ATOM 3 /* a cell to display a number or symbol */ + +#define te_pd te_g.g_pd + + /* t_object is synonym for t_text (LATER unify them) */ + +typedef struct _text t_object; + +#define ob_outlet te_outlet +#define ob_inlet te_inlet +#define ob_binbuf te_binbuf +#define ob_pd te_g.g_pd +#define ob_g te_g + +typedef void (*t_method)(void); +typedef void *(*t_newmethod)( void); + +/* in ARM 64 a varargs prototype generates a different function call sequence +from a fixed one, so in that special case we make a more restrictive +definition for t_gotfn. This will break some code in the "chaos" package +in Pd extended. (that code will run incorrectly anyhow so why not catch it +at compile time anyhow.) */ +#if defined(__APPLE__) && defined(__aarch64__) +typedef void (*t_gotfn)(void *x); +#else +typedef void (*t_gotfn)(void *x, ...); +#endif + +/* ---------------- 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; +EXTERN t_symbol s_float; +EXTERN t_symbol s_symbol; +EXTERN t_symbol s_bang; +EXTERN t_symbol s_list; +EXTERN t_symbol s_anything; +EXTERN t_symbol s_signal; +EXTERN t_symbol s__N; +EXTERN t_symbol s__X; +EXTERN t_symbol s_x; +EXTERN t_symbol s_y; +EXTERN t_symbol s_; + +/* --------- prototypes from the 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_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, ...); + +/* the following macrose are for sending non-type-checkable mesages, i.e., +using function lookup but circumventing type checking on arguments. Only +use for internal messaging protected by A_CANT so that the message can't +be generated at patch level. */ +#define mess0(x, s) ((*getfn((x), (s)))((x))) +typedef void (*t_gotfn1)(void *x, void *arg1); +#define mess1(x, s, a) ((*(t_gotfn1)getfn((x), (s)))((x), (a))) +typedef void (*t_gotfn2)(void *x, void *arg1, void *arg2); +#define mess2(x, s, a,b) ((*(t_gotfn2)getfn((x), (s)))((x), (a),(b))) +typedef void (*t_gotfn3)(void *x, void *arg1, void *arg2, void *arg3); +#define mess3(x, s, a,b,c) ((*(t_gotfn3)getfn((x), (s)))((x), (a),(b),(c))) +typedef void (*t_gotfn4)(void *x, + void *arg1, void *arg2, void *arg3, void *arg4); +#define mess4(x, s, a,b,c,d) \ + ((*(t_gotfn4)getfn((x), (s)))((x), (a),(b),(c),(d))) +typedef void (*t_gotfn5)(void *x, + void *arg1, void *arg2, void *arg3, void *arg4, void *arg5); +#define mess5(x, s, a,b,c,d,e) \ + ((*(t_gotfn5)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); + +/* --------------- memory management -------------------- */ +EXTERN void *getbytes(size_t nbytes); +EXTERN void *getzbytes(size_t nbytes); +EXTERN void *copybytes(void *src, size_t nbytes); +EXTERN void freebytes(void *x, size_t nbytes); +EXTERN void *resizebytes(void *x, size_t oldsize, size_t newsize); + +/* -------------------- atoms ----------------------------- */ + +#define SETSEMI(atom) ((atom)->a_type = A_SEMI, (atom)->a_w.w_index = 0) +#define SETCOMMA(atom) ((atom)->a_type = A_COMMA, (atom)->a_w.w_index = 0) +#define SETPOINTER(atom, gp) ((atom)->a_type = A_POINTER, \ + (atom)->a_w.w_gpointer = (gp)) +#define SETFLOAT(atom, f) ((atom)->a_type = A_FLOAT, (atom)->a_w.w_float = (f)) +#define SETSYMBOL(atom, s) ((atom)->a_type = A_SYMBOL, \ + (atom)->a_w.w_symbol = (s)) +#define SETDOLLAR(atom, n) ((atom)->a_type = A_DOLLAR, \ + (atom)->a_w.w_index = (n)) +#define SETDOLLSYM(atom, s) ((atom)->a_type = A_DOLLSYM, \ + (atom)->a_w.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); +EXTERN t_symbol *atom_gensym(t_atom *a); +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 void atom_string(t_atom *a, char *buf, unsigned int bufsize); + +/* ------------------ 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 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 int binbuf_resize(t_binbuf *x, int newsize); +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 crflag); +EXTERN int binbuf_read_via_canvas(t_binbuf *b, char *filename, t_canvas *canvas, + int crflag); +EXTERN int binbuf_read_via_path(t_binbuf *b, char *filename, char *dirname, + int crflag); +EXTERN int binbuf_write(t_binbuf *x, char *filename, char *dir, + int crflag); +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 void clock_setunit(t_clock *x, double timeunit, int sampflag); +EXTERN double clock_getlogicaltime(void); +EXTERN double clock_getsystime(void); /* OBSOLETE; use clock_getlogicaltime() */ +EXTERN double clock_gettimesince(double prevsystime); +EXTERN double clock_gettimesincewithunits(double prevsystime, + double units, int sampflag); +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_list(t_pd *x, t_symbol *s, int argc, t_atom *argv); +EXTERN void pd_anything(t_pd *x, t_symbol *s, int argc, t_atom *argv); +#define pd_class(x) (*(x)) + +/* ----------------- 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" -------------- */ +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 *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_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); +EXTERN void canvas_makefilename(t_glist *c, char *file, + char *result,int resultsize); +EXTERN t_symbol *canvas_getdir(t_glist *x); +EXTERN char sys_font[]; /* default typeface set in s_main.c */ +EXTERN char sys_fontweight[]; /* default font weight set in s_main.c */ +EXTERN int sys_fontwidth(int fontsize); +EXTERN int sys_fontheight(int fontsize); +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); + +/* ---------------- widget behaviors ---------------------- */ + +EXTERN_STRUCT _widgetbehavior; +#define t_widgetbehavior struct _widgetbehavior + +EXTERN_STRUCT _parentwidgetbehavior; +#define t_parentwidgetbehavior struct _parentwidgetbehavior +EXTERN t_parentwidgetbehavior *pd_getparentwidget(t_pd *x); + +/* -------------------- 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_TYPEMASK 3 + + +EXTERN t_class *class_new(t_symbol *name, t_newmethod newmethod, + t_method freemethod, size_t size, int flags, t_atomtype arg1, ...); +EXTERN void class_addcreator(t_newmethod newmethod, t_symbol *s, + t_atomtype type1, ...); +EXTERN void class_addmethod(t_class *c, t_method fn, t_symbol *sel, + t_atomtype arg1, ...); +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_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 void class_setwidget(t_class *c, t_widgetbehavior *w); +EXTERN void class_setparentwidget(t_class *c, t_parentwidgetbehavior *w); +EXTERN t_parentwidgetbehavior *class_parentwidget(t_class *c); +EXTERN char *class_getname(t_class *c); +EXTERN char *class_gethelpname(t_class *c); +EXTERN char *class_gethelpdir(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); +EXTERN void class_set_extern_dir(t_symbol *s); +#define CLASS_MAINSIGNALIN(c, type, field) \ + class_domainsignalin(c, (char *)(&((type *)0)->field) - (char *)0) + + /* 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); +EXTERN void obj_saveformat(t_object *x, t_binbuf *bb); /* add format to bb */ + + /* prototype for functions to open properties dialogs */ +typedef void (*t_propertiesfn)(t_gobj *x, struct _glist *glist); +EXTERN void class_setpropertiesfn(t_class *c, t_propertiesfn f); +EXTERN t_propertiesfn class_getpropertiesfn(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_addlist(x, y) class_addlist((x), (t_method)(y)) +#define class_addanything(x, y) class_addanything((x), (t_method)(y)) +#endif + +/* ------------ printing --------------------------------- */ +EXTERN void post(const char *fmt, ...); +EXTERN void startpost(const char *fmt, ...); +EXTERN void poststring(const char *s); +EXTERN void postfloat(t_floatarg f); +EXTERN void postatom(int argc, t_atom *argv); +EXTERN void endpost(void); +EXTERN void error(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2); +EXTERN void verbose(int level, const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(2, 3); +EXTERN void bug(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2); +EXTERN void pd_error(void *object, const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(2, 3); +EXTERN void logpost(const void *object, const int level, const char *fmt, ...) + ATTRIBUTE_FORMAT_PRINTF(3, 4); +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 int sys_isabsolutepath(const char *dir); +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 *dir, const char *name, const char *ext, + char *dirresult, char **nameresult, unsigned int size, int bin); +EXTERN int sched_geteventno(void); +EXTERN double sys_getrealtime(void); +EXTERN int (*sys_idlehook)(void); /* hook to add idle time computation */ + +/* Win32's open()/fopen() do not handle UTF-8 filenames so we need + * these internal versions that handle UTF-8 filenames the same across + * all platforms. They are recommended for use in external + * objectclasses as well so they work with Unicode filenames on Windows */ +EXTERN int sys_open(const char *path, int oflag, ...); +EXTERN int sys_close(int fd); +EXTERN FILE *sys_fopen(const char *filename, const char *mode); +EXTERN int sys_fclose(FILE *stream); + +/* ------------ threading ------------------- */ +EXTERN void sys_lock(void); +EXTERN void sys_unlock(void); +EXTERN int sys_trylock(void); + + +/* --------------- signals ----------------------------------- */ + +typedef PD_FLOATTYPE t_sample; +typedef union _sampleint_union { + t_sample f; + PD_FLOATUINTTYPE i; +} t_sampleint_union; +#define MAXLOGSIG 32 +#define MAXSIGSIZE (1 << MAXLOGSIG) + +typedef struct _signal +{ + int s_n; /* number of points in the array */ + t_sample *s_vec; /* the array */ + t_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; + +typedef t_int *(*t_perfroutine)(t_int *args); + +EXTERN t_int *plus_perform(t_int *args); +EXTERN t_int *zero_perform(t_int *args); +EXTERN t_int *copy_perform(t_int *args); + +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_float *in, t_sample *out, int n); +EXTERN void dsp_add_zero(t_sample *out, int n); + +EXTERN int sys_getblksize(void); +EXTERN t_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(t_float *buf, int npoints, int inverse); +EXTERN int ilog2(int n); + +EXTERN void mayer_fht(t_sample *fz, int n); +EXTERN void mayer_fft(int n, t_sample *real, t_sample *imag); +EXTERN void mayer_ifft(int n, t_sample *real, t_sample *imag); +EXTERN void mayer_realfft(int n, t_sample *real); +EXTERN void mayer_realifft(int n, t_sample *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; + +/* up/downsampling */ +typedef struct _resample +{ + int method; /* up/downsampling method ID */ + + int downsample; /* downsampling factor */ + int upsample; /* upsampling factor */ + + t_sample *s_vec; /* here we hold the resampled data */ + int s_n; + + t_sample *coeffs; /* coefficients for filtering... */ + int coefsize; + + t_sample *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); + +/* ----------------------- utility functions for signals -------------- */ +EXTERN t_float mtof(t_float); +EXTERN t_float ftom(t_float); +EXTERN t_float rmstodb(t_float); +EXTERN t_float powtodb(t_float); +EXTERN t_float dbtorms(t_float); +EXTERN t_float dbtopow(t_float); + +EXTERN t_float q8_sqrt(t_float); +EXTERN t_float q8_rsqrt(t_float); +#ifndef N32 +EXTERN t_float qsqrt(t_float); /* old names kept for extern compatibility */ +EXTERN t_float qrsqrt(t_float); +#endif +/* --------------------- data --------------------------------- */ + + /* graphical arrays */ +EXTERN_STRUCT _garray; +#define t_garray struct _garray + +EXTERN t_class *garray_class; +EXTERN int garray_getfloatarray(t_garray *x, int *size, t_float **vec); +EXTERN int garray_getfloatwords(t_garray *x, int *size, t_word **vec); +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); /* avoid; use this: */ +EXTERN void garray_resize_long(t_garray *x, long n); /* better version */ +EXTERN void garray_usedindsp(t_garray *x); +EXTERN void garray_setsaveit(t_garray *x, int saveit); +EXTERN t_glist *garray_getglist(t_garray *x); +EXTERN t_array *garray_getarray(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 --------- */ +typedef void (*t_guicallbackfn)(t_gobj *client, t_glist *glist); + +EXTERN void sys_vgui(char *fmt, ...); +EXTERN void sys_gui(char *s); +EXTERN void sys_pretendguibytes(int n); +EXTERN void sys_queuegui(void *client, t_glist *glist, t_guicallbackfn f); +EXTERN void sys_unqueuegui(void *client); + /* dialog window creation and destruction */ +EXTERN void gfxstub_new(t_pd *owner, void *key, const char *cmd); +EXTERN void gfxstub_deleteforkey(void *key); + +extern t_class *glob_pdobject; /* object to send "pd" messages */ + +/*------------- Max 0.26 compatibility --------------------*/ + +/* the following reflects the new way classes are laid out, with the class + pointing to the messlist and not vice versa. Externs shouldn't feel it. */ +typedef t_class *t_externclass; + +EXTERN void c_extern(t_externclass *cls, t_newmethod newroutine, + t_method freeroutine, t_symbol *name, size_t size, int tiny, \ + t_atomtype arg1, ...); +EXTERN void c_addmess(t_method fn, t_symbol *sel, t_atomtype arg1, ...); + +#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 + +#ifndef _MSC_VER /* Microoft compiler can't handle "inline" function/macros */ +#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) +/* a test for NANs and denormals. Should only be necessary on i386. */ +# if PD_FLOATSIZE == 32 +static inline int PD_BADFLOAT(t_sample f) { + t_sampleint_union u; + u.f=f; + return ((u.i & 0x7f800000)==0) || ((u.i&0x7f800000)==0x7f800000); +} +/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */ +static inline int PD_BIGORSMALL(t_sample f) { + t_sampleint_union u; + u.f=f; + return ((u.i & 0x60000000)==0) || ((u.i & 0x60000000)==0x60000000); +} +# else +# warning 64bit mode: BIGORSMALL not implemented yet +# define PD_BADFLOAT(f) 0 +# define PD_BIGORSMALL(f) 0 +# endif +#else +# define PD_BADFLOAT(f) 0 +# define PD_BIGORSMALL(f) 0 +#endif +#else /* _MSC_VER */ +#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)) +#endif /* _MSC_VER */ + /* get version number at run time */ +EXTERN void sys_getversion(int *major, int *minor, int *bugfix); + +EXTERN_STRUCT _pdinstance; +#define t_pdinstance struct _pdinstance /* m_imp.h */ + +/* m_pd.c */ + +EXTERN t_pdinstance *pdinstance_new( void); +EXTERN void pd_setinstance(t_pdinstance *x); +EXTERN void pdinstance_free(t_pdinstance *x); +EXTERN t_canvas *pd_getcanvaslist(void); +EXTERN int pd_getdspstate(void); + +#if defined(_LANGUAGE_C_PLUS_PLUS) || defined(__cplusplus) +} +#endif + +#define __m_pd_h_ +#endif /* __m_pd_h_ */