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/*
pvsbus.c: example program for pvs bus interface
works with pvsbus.csd
(C) V Lazzarini, 2006
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
*/
/* Console Csound using the Csound API. */
#include "csound.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int main(int argc, char **argv)
{
CSOUND *csound;
char *fname = NULL;
int k, result;
PVSDATEXT dataout, datain;
/* initialise PVSATEXT data */
datain.N = 1024;
datain.format = 0;
datain.overlap = 256;
datain.winsize = 1024;
datain.frame = (float *) calloc(sizeof(float),(datain.N+2));
dataout.N = 1024;
dataout.format = 0;
dataout.overlap = 256;
dataout.winsize = 1024;
dataout.frame = (float *) calloc(sizeof(float),(dataout.N+2));
/* Create Csound. */
csound = csoundCreate(NULL);
/* One complete performance cycle. */
result = csoundCompile(csound, argc, argv);
while (!result){
/* copy data from pvs out to pvs in bus */
for(k=0; k < 1026; k++)
datain.frame[k] = dataout.frame[k];
datain.framecount = dataout.framecount;
/* send in the pvs in bus data */
csoundSetPvsChannel(csound, &datain, "0");
/* one ksmps pass */
result = csoundPerformKsmps(csound);
/* receive the pvs out bus data */
csoundGetPvsChannel(csound, &dataout, "0");
}
/* delete Csound instance */
csoundDestroy(csound);
free(datain.frame);
free(dataout.frame);
return (result >= 0 ? 0 : result);
}
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