// the main header file for all DSP objects

// DSP services:

#pragma once

#ifndef SAMPLE_TYPEDEF
typedef int t_int;
typedef float t_sample, t_float;
#define SAMPLE_TYPEDEF
#endif

//#define BIGCHANS

#include "z_sys.h"
#include "z_proxy.h"
#include "z_sigutil.proto.h"	// plus_perform etc.
#include "z_atom.h"
#include "z_util.proto.h"
#include "d_signal.h"
#include "z_altivec.h"

// useful define

#ifndef PI
#define PI 3.14159265358979323846
#endif

// prototypes

int sys_getmaxblksize(void);	// returns current max blk size
int sys_getblksize(void);		// returns current blk size
float sys_getsr(void);			// returns current sampling rate
int sys_getch(void);			// returns current number of channels

int sys_optimize(void);			// returns whether to optimize or not
int sys_altivec(void);			// returns whether machine has vector processing

int sys_getdspstate(void);		// returns whether audio is on or off

void canvas_start_dsp(void);
void canvas_stop_dsp(void);
void dsp_tick(void);

// setup routines used by DSP objects

void dsp_add(t_perfroutine f, int n, ...);			// called in dsp method
void dsp_addv(t_perfroutine f, int n, void **vector);	 // called in dsp method
void z_dsp_setup(t_pxobject *x, long nsignals);		// called in new method
void z_dsp_free(t_pxobject *x);						// default object free
void z_add_signalmethod(void);						// called in initialization routine

void z_box_dsp_setup(t_pxbox *x, long nsignals);		// called in new method
void z_box_dsp_free(t_pxbox *x);						// default object free
void z_box_add_signalmethod(void);						// called in initialization routine
void z_patcher_for_dsp(t_object *x);

short z_isconnected(t_object *x, t_object *dst, short *index);

short z_dsp_setloadupdate(short way);
void *dsp_setpostprocess(method pm);

#define dsp_setup z_dsp_setup
#define dsp_free z_dsp_free
#define dsp_initclass z_add_signalmethod

#define dsp_setupbox z_box_dsp_setup
#define dsp_freebox z_box_dsp_free
#define dsp_initboxclass z_box_add_signalmethod
#define dsp_patcher z_patcher_for_dsp
#define dsp_isconnected z_isconnected

#define dsp_setloadupdate z_dsp_setloadupdate

#define dsp_fts_mode (gensym("__Mode_FTS")->s_thing)

short aiff_parse(char *header, long *offset, long *size, long *nchans, long *ssize,
	long *srate, void *chunk, void *markers);