Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [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 | #ifndef GSM_H |
| 8 | #define GSM_H |
| 9 | |
| 10 | #include <stdio.h> /* for FILE * */ |
| 11 | |
| 12 | /* |
| 13 | * Interface |
| 14 | */ |
| 15 | |
| 16 | typedef struct gsm_state * gsm; |
| 17 | typedef short gsm_signal; /* signed 16 bit */ |
| 18 | typedef unsigned char gsm_byte; |
| 19 | typedef 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 | |
| 34 | gsm gsm_create (void); |
| 35 | |
| 36 | /* Added for libsndfile : May 6, 2002 */ |
| 37 | void gsm_init (gsm); |
| 38 | |
| 39 | void gsm_destroy (gsm); |
| 40 | |
| 41 | int gsm_print (FILE *, gsm, gsm_byte *); |
| 42 | int gsm_option (gsm, int, int *); |
| 43 | |
| 44 | void gsm_encode (gsm, gsm_signal *, gsm_byte *); |
| 45 | int gsm_decode (gsm, gsm_byte *, gsm_signal *); |
| 46 | |
| 47 | int gsm_explode (gsm, gsm_byte *, gsm_signal *); |
| 48 | void gsm_implode (gsm, gsm_signal *, gsm_byte *); |
| 49 | |
| 50 | #endif /* GSM_H */ |
| 51 | |
| 52 | |