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/*
xsample - extended sample objects for Max/MSP and pd (pure data)
Copyright (c) 2001-2005 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#include "main.h"
#include <stdio.h>
#ifdef _MSC_VER
#pragma warning (disable:4244)
#endif
class xplay:
public xinter
{
FLEXT_HEADER_S(xplay,xinter,setup)
public:
xplay(int argc,const t_atom *argv);
void m_loop(xs_loop lp)
{
loopmode = lp;
Update(xsc_loop,true);
}
protected:
virtual void CbSignal();
virtual void m_help();
virtual void m_print();
private:
static void setup(t_classid c);
FLEXT_CALLSET_E(m_loop,xs_loop)
};
FLEXT_LIB_DSP_V("xplay~",xplay)
void xplay::setup(t_classid c)
{
DefineHelp(c,"xplay~");
FLEXT_CADDATTR_VAR_E(c,"loop",loopmode,m_loop);
}
xplay::xplay(int argc,const t_atom *argv)
{
// set the loopmode to non-wrapping (for sample interpolation)
loopmode = xsl_once;
int argi = 0;
#if FLEXT_SYS == FLEXT_SYS_MAX
if(argc > argi && CanbeInt(argv[argi])) {
outchns = GetAInt(argv[argi]);
argi++;
}
#endif
if(argc > argi && IsSymbol(argv[argi])) {
buf.Set(GetSymbol(argv[argi]),true);
argi++;
#if FLEXT_SYS == FLEXT_SYS_MAX
// oldstyle command line?
if(argi == 1 && argc == 2 && CanbeInt(argv[argi])) {
outchns = GetAInt(argv[argi]);
argi++;
post("%s: old style command line detected - please change to '%s [channels] [buffer]'",thisName(),thisName());
}
#endif
}
AddInSignal("Messages and Signal of playing position"); // pos signal
for(int ci = 0; ci < outchns; ++ci) {
char tmp[30];
STD::sprintf(tmp,"Audio signal channel %i",ci+1);
AddOutSignal(tmp);
}
}
void xplay::CbSignal()
{
int ret = ChkBuffer(true);
int n = Blocksize();
const t_sample *const *in = InSig();
t_sample *const *out = OutSig();
// check whether buffer is invalid or changed
if(ret) {
const lock_t l = Lock();
// convert position units to frames
arrmul(n,in[0],out[0]);
// call resample routine
playfun(n,out,out);
Unlock(l);
Refresh();
}
else
zerofun(n,out,out);
}
void xplay::m_help()
{
post("%s - part of xsample objects, version " XSAMPLE_VERSION,thisName());
#ifdef FLEXT_DEBUG
post("compiled on " __DATE__ " " __TIME__);
#endif
post("(C) Thomas Grill, 2001-2005");
#if FLEXT_SYS == FLEXT_SYS_MAX
post("Arguments: %s [channels=1] [buffer]",thisName());
#else
post("Arguments: %s [buffer]",thisName());
#endif
post("Inlets: 1:Messages/Position signal");
post("Outlets: 1:Audio signal");
post("Methods:");
post("\thelp: shows this help");
post("\tset name: set buffer");
post("\tenable 0/1: turn dsp calculation off/on");
post("\tprint: print current settings");
post("\tbang/start: begin playing");
post("\tstop: stop playing");
post("\treset: checks buffer");
post("\trefresh: checks buffer and refreshes outlets");
post("\t@units 0/1/2/3: set units to samples/buffer size/ms/s");
post("\t@interp 0/1/2: set interpolation to off/4-point/linear");
post("\t@loop 0/1/2: sets looping (interpolation) to off/forward/bidirectional");
post("");
}
void xplay::m_print()
{
const char *interp_txt[] = {"off","4-point","linear"};
// print all current settings
post("%s - current settings:",thisName());
post("bufname = '%s', length = %.3f, channels = %i",buf.Name(),(float)(buf.Frames()*s2u),buf.Channels());
post("out channels = %i, samples/unit = %.3f, interpolation = %s",outchns,(float)(1./s2u),interp_txt[interp >= xsi_none && interp <= xsi_lin?interp:xsi_none]);
post("");
}
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