ref: 397265f5791291defa76487c2388e1898e2e433c
dir: /testsuite/rfc_main.c/
/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 2010 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: April 2010 */
/*************************************************************************/
/* */
/* Convert between lpc and rfc */
/*************************************************************************/
#include <stdio.h>
#include "cst_track.h"
#include "cst_tokenstream.h"
#include "cst_args.h"
#include "cst_math.h"
void lpc2ref(const float *lpc, float *rfc, int order);
void ref2lpc(const float *rfc, float *lpc, int order);
int main(int argc, char **argv)
{
cst_track *t1, *t2;
cst_val *files;
cst_features *args;
int i;
int tolpc = 0;
const char *f1, *f2;
args = new_features();
files =
cst_args(argv,argc,
"usage: rfc OPTIONS INTRACK1 OUTTRACK2\n"
"Convert between LPC and RFC\n"
"-tolpc from RFC to LPC\n"
"-torfc from LPC to RFC\n",
args);
f1 = val_string(val_car(files));
f2 = val_string(val_car(val_cdr(files)));
t1 = new_track();
if (cst_track_load_est(t1,f1) != CST_OK_FORMAT)
{
fprintf(stderr,
"rfc: can't read file or wrong format \"%s\"\n",
f1);
return -1;
}
if (feat_present(args,"-tolpc"))
tolpc = 1;
if (feat_present(args,"-torfc"))
tolpc = 0;
t2 = cst_track_copy(t1);
for (i=0; i<t2->num_frames; i++)
{
if (tolpc)
ref2lpc(&(t1->frames[i][1]),&(t2->frames[i][1]),t2->num_channels-1);
else
lpc2ref(&(t1->frames[i][1]),&(t2->frames[i][1]),t2->num_channels-1);
}
cst_track_save_est(t2,f2);
return 0;
}