42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#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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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#define D_M_PI 6.28318530717958623199592693708837032318115234375
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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 fourier (int u, u8* buf, int N);
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double ABS (double x);
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char *strdup (__const char *__s);
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int snprintf (char *__restrict __s, size_t __maxlen,
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__const char *__restrict __format, ...)
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__THROW __attribute__ ((__format__ (__printf__, 3, 4)));
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