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/*
xsample - extended sample objects for Max/MSP and pd (pure data)
Copyright (c) 2001,2002 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#ifndef __XSAMPLE_H
#define __XSAMPLE_H
#define XSAMPLE_VERSION "0.2.5pre1"
#include <flext.h>
#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 400)
#error You need at least flext version 0.4.0
#endif
// most compilers are somehow broken.....
// in other words: can't handle all C++ features
#if defined(_MSC_VER)
// MS VC 6.0 can't handle <int,int> templates?! -> no optimization
// #define TMPLOPT
#elif defined(__BORLANDC__)
// handles all optimizations
#define TMPLOPT
#elif defined(__GNUC__)
// GNUC 2.95.2 dies at compile with <int,int> templates
#if __GNUC__ >= 3
#define TMPLOPT // only workable with gcc >= 3.0
#endif
#elif defined(__MWERKS__)
// CodeWarrior can't take address of a template member function
#define TMPLOPT
#define SIGSTATIC
#elif defined(__MRC__)
// Apple MPW - MrCpp
// #define TMPLOPT // template optimation for more speed
#else
// another compiler
// #define TMPLOPT // template optimation for more speed (about 10%)
//#define SIGSTATIC // another redirection to avoid addresses of class member functions
#endif
// lazy me
#define F float
#define D double
#define I int
#define L long
#define C char
#define V void
#define BL bool
#define S t_sample
class xsample:
public flext_dsp
{
FLEXT_HEADER(xsample,flext_dsp)
public:
xsample();
~xsample();
enum xs_unit {
xsu__ = -1, // don't change
xsu_sample = 0,xsu_buffer,xsu_ms,xsu_s
};
enum xs_intp {
xsi__ = -1, // don't change
xsi_none = 0,xsi_4p,xsi_lin
};
enum xs_sclmd {
xss__ = -1, // don't change
xss_unitsinbuf = 0,xss_unitsinloop,xss_buffer,xss_loop
};
protected:
buffer *buf;
virtual V m_start() = 0;
virtual V m_stop() = 0;
virtual BL m_reset();
virtual I m_set(I argc,const t_atom *argv);
virtual V m_print() = 0;
virtual BL m_refresh();
virtual V m_loadbang();
virtual V m_units(xs_unit u = xsu__);
virtual V m_sclmode(xs_sclmd u = xss__);
virtual V m_all();
virtual V m_min(F mn);
virtual V m_max(F mx);
virtual V m_dsp(I n,F *const *insigs,F *const *outsigs);
virtual V s_dsp() = 0;
xs_unit unitmode; //iunitmode,ounitmode;
xs_sclmd sclmode; //isclmode,osclmode;
I curmin,curmax; //,curlen; // in samples
I sclmin; // in samples
F sclmul;
F s2u; // sample to unit conversion factor
inline F scale(F smp) const { return (smp-sclmin)*sclmul; }
BL bufchk() { if(buf->Update()) { m_refresh(); return true; } return false; }
private:
FLEXT_CALLBACK(m_start)
FLEXT_CALLBACK(m_stop)
FLEXT_CALLBACK_V(m_set)
FLEXT_CALLBACK(m_print)
FLEXT_CALLBACK(m_refresh)
FLEXT_CALLBACK(m_reset)
FLEXT_CALLBACK_1(m_units,xs_unit)
FLEXT_CALLBACK_1(m_sclmode,xs_sclmd)
};
// defines which are used in the derived classes
#ifdef SIGSTATIC
#ifdef TMPLOPT
#define TMPLFUN(FUN,BCHNS,IOCHNS) &thisType::st_##FUN<BCHNS,IOCHNS>
#define TMPLSTF(FUN,BCHNS,IOCHNS) &thisType::FUN<BCHNS,IOCHNS>
#define SIGFUN(FUN) &thisType::st_##FUN
#define TMPLDEF template <int _BCHNS_,int _IOCHNS_>
#define TMPLCALL <_BCHNS_,_IOCHNS_>
#else
#define TMPLFUN(FUN,BCHNS,IOCHNS) &thisType::st_##FUN
#define TMPLSTF(FUN,BCHNS,IOCHNS) &thisType::FUN
#define SIGFUN(FUN) &thisType::st_##FUN
#define TMPLDEF
#define TMPLCALL
#endif
#define DEFSIGFUN(NAME) \
static V st_##NAME(thisType *obj,I n,S *const *in,S *const *out) { obj->NAME (n,in,out); } \
V NAME(I n,S *const *in,S *const *out)
#define TMPLSIGFUN(NAME) \
TMPLDEF static V st_##NAME(thisType *obj,I n,S *const *in,S *const *out) { obj->NAME TMPLCALL (n,in,out); } \
TMPLDEF V NAME(I n,S *const *in,S *const *out)
#define TMPLSTFUN(NAME) TMPLDEF static V NAME(const S *bdt,const I smin,const I smax,const F s2u,const I n,const I inchns,const I outchns,S *const *invecs,S *const *outvecs)
#define SETSIGFUN(VAR,FUN) v_##VAR = FUN
#define SETSTFUN(VAR,FUN) VAR = FUN
#define DEFSIGCALL(NAME) \
inline V NAME(I n,S *const *in,S *const *out) { (*v_##NAME)(this,n,in,out); } \
V (*v_##NAME)(thisType *obj,I n,S *const *in,S *const *out)
#define DEFSTCALL(NAME) \
V (*NAME)(const S *bdt,const I smin,const I smax,const F s2u,const I n,const I inchns,const I outchns,S *const *invecs,S *const *outvecs)
#else
#ifdef TMPLOPT
#define TMPLFUN(FUN,BCHNS,IOCHNS) &thisType::FUN<BCHNS,IOCHNS>
#define SIGFUN(FUN) &thisType::FUN
#define TMPLDEF template <int _BCHNS_,int _IOCHNS_>
#define TMPLCALL <_BCHNS_,_IOCHNS_>
#else
#define TMPLFUN(FUN,BCHNS,IOCHNS) &thisType::FUN
#define SIGFUN(FUN) &thisType::FUN
#define TMPLDEF
#define TMPLCALL
#endif
#define TMPLSTF(FUN,BCHNS,IOCHNS) TMPLFUN(FUN,BCHNS,IOCHNS)
#define DEFSIGFUN(NAME) V NAME(I n,S *const *in,S *const *out)
#define TMPLSIGFUN(NAME) TMPLDEF V NAME(I n,S *const *in,S *const *out)
#define TMPLSTFUN(NAME) TMPLDEF static V NAME(const S *bdt,const I smin,const I smax,const F s2u,const I n,const I inchns,const I outchns,S *const *invecs,S *const *outvecs)
#define SETSIGFUN(VAR,FUN) v_##VAR = FUN
#define DEFSIGCALL(NAME) \
inline V NAME(I n,S *const *in,S *const *out) { (this->*v_##NAME)(n,in,out); } \
V (thisType::*v_##NAME)(I n,S *const *invecs,S *const *outvecs)
#define SETSTFUN(VAR,FUN) VAR = FUN
#define DEFSTCALL(NAME) \
V (*NAME)(const S *bdt,const I smin,const I smax,const F s2u,const I n,const I inchns,const I outchns,S *const *invecs,S *const *outvecs)
#endif
#ifndef MIN
#define MIN(x,y) ((x) < (y)?(x):(y))
#endif
// in the signal functions
#ifdef TMPLOPT
// optimization by using constants for channel numbers
#define SIGCHNS(BCHNS,bchns,IOCHNS,iochns) \
const I BCHNS = _BCHNS_ < 0?(bchns):_BCHNS_; \
const I IOCHNS = _IOCHNS_ < 0?MIN(iochns,BCHNS):MIN(_IOCHNS_,BCHNS)
#else
// no template optimization
#ifdef PD // only mono buffers
#define SIGCHNS(BCHNS,bchns,IOCHNS,iochns) \
const I BCHNS = 1; \
const I IOCHNS = MIN(iochns,BCHNS)
#else // MAXMSP
#define SIGCHNS(BCHNS,bchns,IOCHNS,iochns) \
const I BCHNS = bchns; \
const I IOCHNS = MIN(iochns,BCHNS)
#endif
#endif
class xinter:
public xsample
{
FLEXT_HEADER(xinter,xsample)
public:
xinter();
protected:
virtual I m_set(I argc,const t_atom *argv);
virtual V m_start();
virtual V m_stop();
V m_interp(xs_intp mode = xsi__) { interp = mode; s_dsp(); }
I outchns;
BL doplay;
xs_intp interp;
TMPLSIGFUN(s_play0);
TMPLSIGFUN(s_play1);
TMPLSIGFUN(s_play2);
TMPLSIGFUN(s_play4);
TMPLSTFUN(st_play0);
TMPLSTFUN(st_play1);
TMPLSTFUN(st_play2);
TMPLSTFUN(st_play4);
DEFSIGCALL(playfun);
virtual V s_dsp();
private:
FLEXT_CALLBACK_1(m_interp,xs_intp)
};
#ifdef TMPLOPT
#include "inter.ci"
#endif
#endif
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