ref: bf805c3539f1d3a39d14d786e90a8b355276a23e
dir: /libgsm/gsm.h/
/* * 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. */ /*$Header: /cvsroot/sox/sox/libgsm/gsm.h,v 1.1 2007/09/06 16:50:55 cbagwell Exp $*/ #ifndef GSM_H #define GSM_H #ifdef __cplusplus # define NeedFunctionPrototypes 1 #endif #if __STDC__ # define NeedFunctionPrototypes 1 #endif #ifdef _NO_PROTO # undef NeedFunctionPrototypes #endif #ifdef NeedFunctionPrototypes # include <stdio.h> /* for FILE * */ #endif #undef GSM_P #if NeedFunctionPrototypes # define GSM_P( protos ) protos #else # define GSM_P( protos ) ( /* protos */ ) #endif /* * 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 extern gsm gsm_create GSM_P((void)); extern void gsm_destroy GSM_P((gsm)); extern int gsm_option GSM_P((gsm, int, int *)); extern void gsm_encode GSM_P((gsm, gsm_signal *, gsm_byte *)); extern int gsm_decode GSM_P((gsm, gsm_byte *, gsm_signal *)); #undef GSM_P #endif /* GSM_H */