63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/***************************************************************************
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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 General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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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 <unistd.h>
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#include <math.h>
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#include <time.h>
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#include <fcntl.h>
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#include <memory.h>
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#include <regex.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <linux/soundcard.h>
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#define LENGTH 1 /* how many seconds of speech to store */
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#define RATE 8000 /* the sampling rate */
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#define SIZE 8 /* sample size: 8 or 16 bits */
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#define CHANNELS 1 /* 1 = mono 2 = stereo */
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#define BUF_SIZE 2
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#define SAMPLE_SIZE (int) (LENGTH*RATE*SIZE*CHANNELS/8)
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#define TOTSIZE 16000 /* BUF_SIZE * SAMPLE_SIZE */
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#define M_FACTOR 0.000392699 /* D_M_PI / TOTSIZE */
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#define M_COEFF 0.0000625 /* 1.0 / TOTSIZE */
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#ifndef M_PI
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# define M_PI 3.14159265358979323846
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#endif
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/* M_PI * 2 */
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#define D_M_PI 6.28318530717958623199592693708837032318115234375
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/* M_PI / 2 */
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#define H_M_PI 1.570796327
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/* 2 / M_PI */
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#define TWO_O_M_PI 0.636619772
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typedef unsigned char u8;
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typedef unsigned int u32;
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int init_dsp();
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char* getline (FILE *fp);
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char** preg_match (char *regex, char* s, int *size);
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double ABS (double x);
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