blob: e49a7b68c5ae5314e0f44baa9811ea462068264c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#ifndef COMMON_H
#define COMMON_H
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
#define DATABLOCK1 20 /* size of 14.4 input block in bytes */
#define DATABLOCK2 38 /* size of 28.8 input block in bytes */
#define DATACHUNK1 1440 /* size of 14.4 input chunk in bytes */
#define DATACHUNK2 2736 /* size of 28.8 input chunk in bytes */
#define AUDIOBLOCK 160 /* size of output block in 16-bit words (320 bytes) */
//#define AUDIOBUFFER 11520 /* size of output buffer in 16-bit words (23040 bytes) */
#define AUDIOBUFFER 12288 /* size of output buffer in 16-bit words (24576 bytes) */
typedef void Real_144;
typedef void Real_288;
typedef void Real_dnet;
/* common prototypes */
Real_144 *init_144 (void);
Real_288 *init_288 (void);
Real_dnet *init_dnet (void);
void free_144 (Real_144 *global);
void free_288 (Real_288 *global);
void free_dnet (Real_dnet *global);
void deinterleave (unsigned char *in, unsigned char *out, unsigned int size);
void swapbytes (unsigned char *in, unsigned char *out, unsigned int len);
void decode_144 (Real_144 *global, unsigned char *source, signed short *target);
void decode_288 (Real_288 *global, unsigned char *in, signed short *out);
int decode_dnet (Real_dnet *global, unsigned char *in, signed short *out, int *freq, int chans);
#endif /* !COMMON_H */
|
