/project/jni/sndfile/src/GSM610/gsm.h

 1/*
 2 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
 3 * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
 4 * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
 5 */
 6
 7#ifndef	GSM_H
 8#define	GSM_H
 9
10#include	<stdio.h>		/* for FILE * 	*/
11
12/*
13 *	Interface
14 */
15
16typedef struct gsm_state * 	gsm;
17typedef short		   		gsm_signal;		/* signed 16 bit */
18typedef unsigned char		gsm_byte;
19typedef gsm_byte 			gsm_frame[33];		/* 33 * 8 bits	 */
20
21#define	GSM_MAGIC		0xD		  	/* 13 kbit/s RPE-LTP */
22
23#define	GSM_PATCHLEVEL		10
24#define	GSM_MINOR			0
25#define	GSM_MAJOR			1
26
27#define	GSM_OPT_VERBOSE		1
28#define	GSM_OPT_FAST		2
29#define	GSM_OPT_LTP_CUT		3
30#define	GSM_OPT_WAV49		4
31#define	GSM_OPT_FRAME_INDEX	5
32#define	GSM_OPT_FRAME_CHAIN	6
33
34gsm  gsm_create 	(void);
35
36/* Added for libsndfile : May 6, 2002 */
37void gsm_init (gsm);	
38
39void gsm_destroy (gsm);	
40
41int  gsm_print   (FILE *, gsm, gsm_byte  *);
42int  gsm_option  (gsm, int, int *);
43
44void gsm_encode  (gsm, gsm_signal *, gsm_byte  *);
45int  gsm_decode  (gsm, gsm_byte   *, gsm_signal *);
46
47int  gsm_explode (gsm, gsm_byte   *, gsm_signal *);
48void gsm_implode (gsm, gsm_signal *, gsm_byte   *);
49
50#endif	/* GSM_H */
51
52