83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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/*---------------------------------------------------------------------------*\
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FILE........: c2enc.c
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AUTHOR......: David Rowe
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DATE CREATED: 23/8/2010
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Encodes a file of raw speech samples using codec2 and ouputs a file
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of bits (each bit is stored in the LSB or each output byte). Demo
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program for codec2.
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NOTE: the bit file is not packed, 51 bits/frame actually consumes 51
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bytes/frame on disk. If you are using this for a real world
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application you may want to pack the 51 bytes into 7 bytes.
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\*---------------------------------------------------------------------------*/
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/*
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Copyright (C) 2010 David Rowe
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All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 2.1, as
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published by the Free Software Foundation. This program is
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distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "codec2.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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int main(int argc, char *argv[])
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{
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static const int bitsSize = ((CODEC2_BITS_PER_FRAME + 7) / 8);
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void *codec2;
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FILE *fin;
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FILE *fout;
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short buf[CODEC2_SAMPLES_PER_FRAME];
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unsigned char bits[bitsSize];
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if (argc != 3) {
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printf("usage: %s InputRawspeechFile OutputBitFile\n", argv[0]);
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exit(1);
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}
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if ( (fin = fopen(argv[1],"rb")) == NULL ) {
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fprintf(stderr, "Error opening input bit file: %s: %s.\n",
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argv[1], strerror(errno));
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exit(1);
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}
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if ( (fout = fopen(argv[2],"wb")) == NULL ) {
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fprintf(stderr, "Error opening output speech file: %s: %s.\n",
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argv[2], strerror(errno));
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exit(1);
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}
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codec2 = codec2_create();
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while(fread(buf, sizeof(short), CODEC2_SAMPLES_PER_FRAME, fin) ==
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CODEC2_SAMPLES_PER_FRAME) {
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codec2_encode(codec2, bits, buf);
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fwrite(bits, sizeof(char), bitsSize, fout);
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}
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codec2_destroy(codec2);
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fclose(fin);
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fclose(fout);
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return 0;
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}
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