| /* |
| * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische |
| * Universitaet Berlin. See the accompanying file "COPYRIGHT" for |
| * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. |
| */ |
| |
| #ifndef GSM_H |
| #define GSM_H |
| |
| #include <stdio.h> /* for FILE * */ |
| |
| /* |
| * Interface |
| */ |
| |
| typedef struct gsm_state * gsm; |
| typedef short gsm_signal; /* signed 16 bit */ |
| typedef unsigned char gsm_byte; |
| typedef gsm_byte gsm_frame[33]; /* 33 * 8 bits */ |
| |
| #define GSM_MAGIC 0xD /* 13 kbit/s RPE-LTP */ |
| |
| #define GSM_PATCHLEVEL 10 |
| #define GSM_MINOR 0 |
| #define GSM_MAJOR 1 |
| |
| #define GSM_OPT_VERBOSE 1 |
| #define GSM_OPT_FAST 2 |
| #define GSM_OPT_LTP_CUT 3 |
| #define GSM_OPT_WAV49 4 |
| #define GSM_OPT_FRAME_INDEX 5 |
| #define GSM_OPT_FRAME_CHAIN 6 |
| |
| gsm gsm_create (void); |
| |
| /* Added for libsndfile : May 6, 2002 */ |
| void gsm_init (gsm); |
| |
| void gsm_destroy (gsm); |
| |
| int gsm_print (FILE *, gsm, gsm_byte *); |
| int gsm_option (gsm, int, int *); |
| |
| void gsm_encode (gsm, gsm_signal *, gsm_byte *); |
| int gsm_decode (gsm, gsm_byte *, gsm_signal *); |
| |
| int gsm_explode (gsm, gsm_byte *, gsm_signal *); |
| void gsm_implode (gsm, gsm_signal *, gsm_byte *); |
| |
| #endif /* GSM_H */ |
| |
| |