| Benny Prijono | 7f1c90f | 2007-04-07 12:29:46 +0000 | [diff] [blame] | 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 | /*$Header: /home/kbs/jutta/src/gsm/gsm-1.0/inc/RCS/gsm.h,v 1.11 1996/07/05 18:02:56 jutta Exp $*/ |
| 8 | |
| 9 | #ifndef GSM_H |
| 10 | #define GSM_H |
| 11 | |
| 12 | #ifdef __cplusplus |
| 13 | # define NeedFunctionPrototypes 1 |
| 14 | #endif |
| 15 | |
| 16 | #if __STDC__ |
| 17 | # define NeedFunctionPrototypes 1 |
| 18 | #endif |
| 19 | |
| 20 | #ifdef _NO_PROTO |
| 21 | # undef NeedFunctionPrototypes |
| 22 | #endif |
| 23 | |
| 24 | #ifdef NeedFunctionPrototypes |
| 25 | # include <stdio.h> /* for FILE * */ |
| 26 | #endif |
| 27 | |
| 28 | #undef GSM_P |
| 29 | #if NeedFunctionPrototypes |
| 30 | # define GSM_P( protos ) protos |
| 31 | #else |
| 32 | # define GSM_P( protos ) ( /* protos */ ) |
| 33 | #endif |
| 34 | |
| 35 | /* |
| 36 | * Interface |
| 37 | */ |
| 38 | |
| 39 | typedef struct gsm_state * gsm; |
| 40 | typedef short gsm_signal; /* signed 16 bit */ |
| 41 | typedef unsigned char gsm_byte; |
| 42 | typedef gsm_byte gsm_frame[33]; /* 33 * 8 bits */ |
| 43 | |
| 44 | #define GSM_MAGIC 0xD /* 13 kbit/s RPE-LTP */ |
| 45 | |
| 46 | #define GSM_PATCHLEVEL 10 |
| 47 | #define GSM_MINOR 0 |
| 48 | #define GSM_MAJOR 1 |
| 49 | |
| 50 | #define GSM_OPT_VERBOSE 1 |
| 51 | #define GSM_OPT_FAST 2 |
| 52 | #define GSM_OPT_LTP_CUT 3 |
| 53 | #define GSM_OPT_WAV49 4 |
| 54 | #define GSM_OPT_FRAME_INDEX 5 |
| 55 | #define GSM_OPT_FRAME_CHAIN 6 |
| 56 | |
| 57 | extern gsm gsm_create GSM_P((void)); |
| 58 | extern void gsm_destroy GSM_P((gsm)); |
| 59 | |
| 60 | extern int gsm_print GSM_P((FILE *, gsm, gsm_byte *)); |
| 61 | extern int gsm_option GSM_P((gsm, int, int *)); |
| 62 | |
| 63 | extern void gsm_encode GSM_P((gsm, gsm_signal *, gsm_byte *)); |
| 64 | extern int gsm_decode GSM_P((gsm, gsm_byte *, gsm_signal *)); |
| 65 | |
| 66 | extern int gsm_explode GSM_P((gsm, gsm_byte *, gsm_signal *)); |
| 67 | extern void gsm_implode GSM_P((gsm, gsm_signal *, gsm_byte *)); |
| 68 | |
| 69 | #undef GSM_P |
| 70 | |
| 71 | #endif /* GSM_H */ |