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/*
lpc_import.c
Copyright (C) 1995 John ffitch
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., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/* ***************************************************************** */
/* ******** Program to import lpanal files in tabular format. ****** */
/* ***************************************************************** */
/* ***************************************************************** */
/* John ffitch 1998 Nov 15 */
/* Version that does not need to load rest of csound5 */
/* ***************************************************************** */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#ifndef MYFLT
#include "sysdep.h"
#endif
#include "lpc.h"
#define Str(x) x
void lpc_import_usage(void)
{
printf("Usage: lpc_import cstext_file lpc_file\n");
}
int main(int argc, char **argv)
{
FILE *inf;
FILE *outf;
LPHEADER hdr;
unsigned int i, j;
char *str;
MYFLT *coef;
if (argc != 3) {
lpc_import_usage();
return 1;
}
inf = fopen(argv[1], "rb");
if (inf == NULL) {
fprintf(stderr, "Cannot open input file %s\n", argv[1]);
return 1;
}
outf = fopen(argv[2], "w");
if (outf == NULL) {
fprintf(stderr, "Cannot open output file %s\n", argv[2]);
fclose(inf);
return 1;
}
if (fread(&hdr, sizeof(LPHEADER)-4, 1, inf) != 1 ||
(hdr.lpmagic != LP_MAGIC && hdr.lpmagic != LP_MAGIC2)) {
fprintf(stderr, "Failed to read LPC header\n");
fclose(inf);
fclose(outf);
return 1;
}
fprintf(outf, "%d,%d,%d,%d,%f,%f,%f",
hdr.headersize, hdr.lpmagic, hdr.npoles, hdr.nvals,
hdr.framrate, hdr.srate, hdr.duration);
if (UNLIKELY(hdr.headersize < sizeof(LPHEADER)-4) || hdr.headersize>1024)
return 1;
str = (char *)malloc(hdr.headersize-sizeof(LPHEADER)+4);
if (str==NULL) {
printf(Str("memory allocation failure\n"));
exit(1);
}
if (hdr.headersize-sizeof(LPHEADER)+4 !=
fread(&str, sizeof(char), hdr.headersize-sizeof(LPHEADER)+4, inf)) {
printf(Str("Ill formed data\n"));
exit(1);
}
for (i=0; i<hdr.headersize-sizeof(LPHEADER)+4; i++)
putc(str[i],outf);
putc('\n', outf);
coef = (MYFLT *)malloc(hdr.npoles*sizeof(MYFLT));
if (coef==NULL) {
printf("memory allocation failure\n");
exit(1);
}
for (i = 0; i<hdr.nvals; i++) {
if (hdr.npoles != fread(coef, sizeof(MYFLT), hdr.npoles, inf)) {
printf("Ill formed data\n");
exit(1);
}
for (j=0; j<hdr.npoles; j++)
fprintf(outf, "%f%c", coef[j], (j==hdr.npoles-1 ? '\n' : ','));
}
fclose(outf);
fclose(inf);
free(coef); free(str);
return 0;
}
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