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+/* 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. */
+/* This file contains function prototypes and data types used to implement
+Pd, but not shared with Pd objects. */
+#include "m_pd.h"
+/* LATER consider whether to use 'char' for method arg types to save space */
+/* the structure for a method handler ala Max */
+typedef struct _methodentry
+ t_symbol *me_name;
+ t_gotfn me_fun;
+ t_atomtype me_arg[MAXPDARG+1];
+} t_methodentry;
+EXTERN_STRUCT _widgetbehavior;
+typedef void (*t_bangmethod)(t_pd *x);
+typedef void (*t_pointermethod)(t_pd *x, t_gpointer *gp);
+typedef void (*t_floatmethod)(t_pd *x, t_float f);
+typedef void (*t_symbolmethod)(t_pd *x, t_symbol *s);
+typedef void (*t_listmethod)(t_pd *x, t_symbol *s, int argc, t_atom *argv);
+typedef void (*t_anymethod)(t_pd *x, t_symbol *s, int argc, t_atom *argv);
+struct _class
+ t_symbol *c_name; /* name (mostly for error reporting) */
+ t_symbol *c_helpname; /* name of help file */
+ size_t c_size; /* size of an instance */
+ t_methodentry *c_methods; /* methods other than bang, etc below */
+ int c_nmethod; /* number of methods */
+ t_method c_freemethod; /* function to call before freeing */
+ t_bangmethod c_bangmethod; /* common methods */
+ t_pointermethod c_pointermethod;
+ t_floatmethod c_floatmethod;
+ t_symbolmethod c_symbolmethod;
+ t_listmethod c_listmethod;
+ t_anymethod c_anymethod;
+ struct _widgetbehavior *c_wb; /* "gobjs" only */
+ struct _parentwidgetbehavior *c_pwb;/* widget behavior in parent */
+ int c_floatsignalin; /* onset to float for signal input */
+ char c_gobj; /* true if is a gobj */
+ char c_patchable; /* true if we have a t_object header */
+ char c_firstin; /* if patchable, true if draw first inlet */
+ char c_drawcommand; /* a drawing command for a template */
+/* s_file.c */
+typedef struct _namelist
+ struct _namelist *nl_next;
+ char *nl_string;
+} t_namelist;
+t_namelist *namelist_append(t_namelist *listwas, const char *s);
+void namelist_free(t_namelist *listwas);
+extern int sys_debuglevel;
+extern int sys_verbose;
+#define DEBUG_MESSUP 1 /* messages up from pd to pd-gui */
+#define DEBUG_MESSDOWN 2 /* messages down from pd-gui to pd */
+extern int sys_noloadbang;
+extern int sys_nogui;
+extern char *sys_guicmd;
+/* in s_main.c */
+EXTERN int sys_nearestfontsize(int fontsize);
+EXTERN int sys_hostfontsize(int fontsize);
+extern int sys_defaultfont;
+extern t_symbol *sys_libdir; /* library directory for auxilliary files */
+/* s_loader.c */
+int sys_load_lib(char *dirname, char *filename);
+/* s_unix.c */
+EXTERN void sys_microsleep(int microsec);
+EXTERN double sys_getrealtime(void);
+/* s_sgi.c, s_nt.c, s_linux.c each implement the same API for audio
+and MIDI I/O as follows: */
+#define DACBLKSIZE 64
+#define SENDDACS_NO 0 /* return values for sys_send_dacs() */
+#define SENDDACS_YES 1
+#define API_OSS 0 /* API choices */
+#define API_ALSA 1
+#define API_RME 2
+#define API_MMIO 3
+#define API_PORTAUDIO 4
+ /* MIDI input and output */
+#define MAXMIDIINDEV 16 /* max. number of input ports */
+#define MAXMIDIOUTDEV 16 /* max. number of output ports */
+extern int sys_nmidiin;
+extern int sys_nmidiout;
+extern int sys_midiindevlist[];
+extern int sys_midioutdevlist[];
+EXTERN void sys_putmidimess(int portno, int a, int b, int c);
+EXTERN void sys_putmidibyte(int portno, int a);
+EXTERN void sys_poll_midi(void);
+EXTERN void sys_setmiditimediff(double inbuftime, double outbuftime);
+EXTERN void sys_midibytein(int portno, int byte);
+extern int sys_hipriority; /* real-time flag, true if priority boosted */
+extern t_sample *sys_soundout;
+extern t_sample *sys_soundin;
+extern float sys_dacsr;
+extern int sys_schedadvance;
+extern int sys_sleepgrain;
+EXTERN void sys_open_audio(int naudioindev, int *audioindev, int nchindev, int *chindev,
+ int naudiooutdev, int *audiooutdev, int nchoutdev, int *choutdev,
+ int srate); /* IOhannes */
+EXTERN void sys_close_audio(void);
+EXTERN void sys_open_midi(int nmidiin, int *midiinvec,
+ int nmidiout, int *midioutvec);
+EXTERN void sys_close_midi(void);
+EXTERN int sys_send_dacs(void);
+EXTERN void sys_reportidle(void);
+EXTERN void sys_set_priority(int higher);
+EXTERN void sys_audiobuf(int nbufs);
+EXTERN void sys_getmeters(float *inmax, float *outmax);
+ /* for NT and Linux, there are additional bits of fluff as follows. */
+#ifdef NT
+EXTERN void nt_listdevs(void);
+EXTERN void nt_soundindev(int which);
+EXTERN void nt_soundoutdev(int which);
+EXTERN void nt_midiindev(int which);
+EXTERN void nt_midioutdev(int which);
+EXTERN void nt_noresync( void);
+EXTERN void nt_set_sound_api(int which);
+#ifdef __linux__
+ /* the following definitions allow you to switch at run time
+ between audio APIs in Linux and later in NT. */
+void linux_set_sound_api(int which);
+void linux_setfrags(int n);
+void linux_setfragsize(int n);
+void linux_streammode( void);
+void rme_soundindev(int which);
+void rme_soundoutdev(int which);
+void linux_alsa_queue_size(int size);
+#ifdef ALSA99 /* old fashioned ALSA */
+void linux_alsa_devno(int devno);
+void linux_alsa_devname(char *devname);
+#endif /* __linux__ */
+/* portaudio, used in Windows and Mac versions... */
+int pa_open_audio(int inchans, int outchans, int rate, t_sample *soundin,
+ t_sample *soundout, int framesperbuf, int nbuffers, int deviceno);
+void pa_close_audio(void);
+int pa_send_dacs(void);
+void pa_reportidle(void);
+/* m_sched.c */
+EXTERN void sys_log_error(int type);
+#define ERR_NOTHING 0
+#define ERR_ADCSLEPT 1
+#define ERR_DACSLEPT 2
+#define ERR_RESYNC 3
+#define ERR_DATALATE 4
+/* s_inter.c */
+EXTERN void sys_bail(int exitcode);
+EXTERN int sys_pollgui(void);
+EXTERN_STRUCT _socketreceiver;
+#define t_socketreceiver struct _socketreceiver
+typedef void (*t_socketnotifier)(void *x);
+typedef void (*t_socketreceivefn)(void *x, t_binbuf *b);
+EXTERN t_socketreceiver *socketreceiver_new(void *owner,
+ t_socketnotifier notifier, t_socketreceivefn socketreceivefn, int udp);
+EXTERN void socketreceiver_read(t_socketreceiver *x, int fd);
+EXTERN void sys_sockerror(char *s);
+EXTERN void sys_closesocket(int fd);
+typedef void (*t_fdpollfn)(void *ptr, int fd);
+EXTERN void sys_addpollfn(int fd, t_fdpollfn fn, void *ptr);
+EXTERN void sys_rmpollfn(int fd);
+#ifdef UNIX
+void sys_setalarm(int microsec);
+void sys_setvirtualalarm( void);
+/* m_obj.c */
+EXTERN int obj_noutlets(t_object *x);
+EXTERN int obj_ninlets(t_object *x);
+EXTERN t_outconnect *obj_starttraverseoutlet(t_object *x, t_outlet **op,
+ int nout);
+EXTERN t_outconnect *obj_nexttraverseoutlet(t_outconnect *lastconnect,
+ t_object **destp, t_inlet **inletp, int *whichp);
+EXTERN t_outconnect *obj_connect(t_object *source, int outno,
+ t_object *sink, int inno);
+EXTERN void obj_disconnect(t_object *source, int outno, t_object *sink,
+ int inno);
+EXTERN void outlet_setstacklim(void);
+/* misc */
+EXTERN void glob_evalfile(t_pd *ignore, t_symbol *name, t_symbol *dir);
+EXTERN void glob_initfromgui(void *dummy, t_symbol *s, int argc, t_atom *argv);