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/*---------------------------------------------------------------------------*\
FILE........: tnlp.c
AUTHOR......: David Rowe
DATE CREATED: 23/3/93
Test program for non linear pitch estimation functions.
\*---------------------------------------------------------------------------*/
/*
Copyright (C) 2009 David Rowe
All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 2.1, as
published by the Free Software Foundation. This program 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 General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "defines.h"
#include "dump.h"
#include "sine.h"
#include "nlp.h"
#include "kiss_fft.h"
int frames;
/*---------------------------------------------------------------------------*\
switch_present()
Searches the command line arguments for a "switch". If the switch is
found, returns the command line argument where it ws found, else returns
NULL.
\*---------------------------------------------------------------------------*/
int switch_present(sw,argc,argv)
char sw[]; /* switch in string form */
int argc; /* number of command line arguments */
char *argv[]; /* array of command line arguments in string form */
{
int i; /* loop variable */
for(i=1; i<argc; i++)
if (!strcmp(sw,argv[i]))
return(i);
return 0;
}
/*---------------------------------------------------------------------------*\
MAIN
\*---------------------------------------------------------------------------*/
int main(int argc, char *argv[])
{
if (argc < 3) {
printf("\nusage: tnlp InputRawSpeechFile Outputf0PitchTextFile "
"[--dump DumpFile] [--Fs SampleRateHz]\n");
exit(1);
}
int Fs = 8000;
if (switch_present("--Fs",argc,argv)) {
Fs = atoi(argv[argc+1]);
}
C2CONST c2const = c2const_create(Fs, N_S);
int n = c2const.n_samp;
int m = c2const.m_pitch;
FILE *fin,*fout;
short buf[n];
float Sn[m]; /* float input speech samples */
kiss_fft_cfg fft_fwd_cfg;
COMP Sw[FFT_ENC]; /* DFT of Sn[] */
float w[m]; /* time domain hamming window */
float W[FFT_ENC]; /* DFT of w[] */
float pitch_samples;
int i;
float f0, prev_f0;
void *nlp_states;
#ifdef DUMP
int dump;
#endif
/* Input file */
if ((fin = fopen(argv[1],"rb")) == NULL) {
printf("Error opening input speech file: %s\n",argv[1]);
exit(1);
}
/* Output file */
if ((fout = fopen(argv[2],"wt")) == NULL) {
printf("Error opening output text file: %s\n",argv[2]);
exit(1);
}
#ifdef DUMP
dump = switch_present("--dump",argc,argv);
if (dump)
dump_on(argv[dump+1]);
#else
/// TODO
/// #warning "Compile with -DDUMP if you expect to dump anything."
#endif
for(i=0; i<m; i++) {
Sn[i] = 0.0;
}
nlp_states = nlp_create(&c2const);
fft_fwd_cfg = kiss_fft_alloc(FFT_ENC, 0, NULL, NULL);
make_analysis_window(&c2const, fft_fwd_cfg, w, W);
frames = 0;
prev_f0 = 1/P_MAX_S;
while(fread(buf, sizeof(short), n, fin)) {
/* Update input speech buffers */
for(i=0; i<m-n; i++)
Sn[i] = Sn[i+n];
for(i=0; i<n; i++)
Sn[i+m-n] = buf[i];
dft_speech(&c2const, fft_fwd_cfg, Sw, Sn, w);
#ifdef DUMP
dump_Sn(m, Sn); dump_Sw(Sw);
#endif
f0 = nlp(nlp_states, Sn, n, &pitch_samples, Sw, W, &prev_f0);
fprintf(stderr,"%d %f %f\n", frames++, f0, pitch_samples);
fprintf(fout,"%f %f\n", f0, pitch_samples);
}
fclose(fin);
fclose(fout);
#ifdef DUMP
if (dump) dump_off();
#endif
nlp_destroy(nlp_states);
return 0;
}
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