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/*---------------------------------------------------------------------------*\
FILE........: c2enc.c
AUTHOR......: David Rowe
DATE CREATED: 23/8/2010
Encodes a file of raw speech samples using codec2 and outputs a file
of bits.
\*---------------------------------------------------------------------------*/
/*
Copyright (C) 2010 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 "codec2.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
int main(int argc, char *argv[])
{
int mode;
void *codec2;
FILE *fin;
FILE *fout;
short *buf;
unsigned char *bits;
int nsam, nbit, nbyte, gray;
if (argc < 4) {
printf("usage: c2enc 3200|2400|1600|1400|1300|1200 InputRawspeechFile OutputBitFile [--natural]\n");
printf("e.g c2enc 1400 ../raw/hts1a.raw hts1a.c2\n");
printf("e.g c2enc 1300 ../raw/hts1a.raw hts1a.c2 --natural\n");
exit(1);
}
if (strcmp(argv[1],"3200") == 0)
mode = CODEC2_MODE_3200;
else if (strcmp(argv[1],"2400") == 0)
mode = CODEC2_MODE_2400;
else if (strcmp(argv[1],"1600") == 0)
mode = CODEC2_MODE_1600;
else if (strcmp(argv[1],"1400") == 0)
mode = CODEC2_MODE_1400;
else if (strcmp(argv[1],"1300") == 0)
mode = CODEC2_MODE_1300;
else if (strcmp(argv[1],"1200") == 0)
mode = CODEC2_MODE_1200;
else {
fprintf(stderr, "Error in mode: %s. Must be 3200, 2400, 1600, 1400, 1300 or 1200\n", argv[1]);
exit(1);
}
if (strcmp(argv[2], "-") == 0) fin = stdin;
else if ( (fin = fopen(argv[2],"rb")) == NULL ) {
fprintf(stderr, "Error opening input speech file: %s: %s.\n",
argv[2], strerror(errno));
exit(1);
}
if (strcmp(argv[3], "-") == 0) fout = stdout;
else if ( (fout = fopen(argv[3],"wb")) == NULL ) {
fprintf(stderr, "Error opening output compressed bit file: %s: %s.\n",
argv[3], strerror(errno));
exit(1);
}
codec2 = codec2_create(mode);
nsam = codec2_samples_per_frame(codec2);
nbit = codec2_bits_per_frame(codec2);
buf = (short*)malloc(nsam*sizeof(short));
nbyte = (nbit + 7) / 8;
bits = (unsigned char*)malloc(nbyte*sizeof(char));
if (argc == 5) {
if (strcmp(argv[4], "--natural") == 0)
gray = 0;
else
gray = 1;
codec2_set_natural_or_gray(codec2, gray);
}
while(fread(buf, sizeof(short), nsam, fin) == (size_t)nsam) {
codec2_encode(codec2, bits, buf);
fwrite(bits, sizeof(char), nbyte, fout);
// if this is in a pipeline, we probably don't want the usual
// buffering to occur
if (fout == stdout) fflush(stdout);
if (fin == stdin) fflush(stdin);
}
codec2_destroy(codec2);
free(buf);
free(bits);
fclose(fin);
fclose(fout);
return 0;
}
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