GSM.H
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上传日期:2013-02-11
资源大小:2894k
文件大小:2k
源码类别:
IP电话/视频会议
开发平台:
Visual C++
- /*
- * 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: n:\development/speak_freely/GSM/INC/GSM.H,v 1.1.1.1 1998/10/15 00:47:40 Administrator Exp $*/
- #ifndef GSM_H
- #define GSM_H
- #define NeedFunctionPrototypes 1
- #ifdef __cplusplus
- # define NeedFunctionPrototypes 1
- #endif
- #if __STDC__
- # define NeedFunctionPrototypes 1
- #endif
- #ifdef _NO_PROTO
- # undef NeedFunctionPrototypes
- #endif
- #undef GSM_P /* gnu stdio.h actually defines this... */
- #if NeedFunctionPrototypes
- # define GSM_P( protos ) protos
- #else
- # define GSM_P( protos ) ( /* protos */ )
- #endif
- #ifdef NeedFunctionPrototypes
- # include <stdio.h> /* for FILE * */
- #endif
- /* AUTO_SPARC_HACK added by John Walker. If defined, USE_FLOAT_MUL
- automatically set when compiling on a Sparc. This lets most
- people avoid editing the Makefile. */
- #ifdef AUTO_SPARC_HACK
- #ifdef sparc
- #define USE_FLOAT_MUL
- #define FAST
- #endif
- #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 2
- #define GSM_MINOR 0
- #define GSM_MAJOR 1
- #define GSM_OPT_VERBOSE 1
- #define GSM_OPT_FAST 2
- #ifdef __cplusplus
- extern "C" {
- #endif
- gsm gsm_create GSM_P((void));
- void gsm_destroy GSM_P((gsm));
- int gsm_print GSM_P((FILE *, gsm, gsm_byte *));
- int gsm_option GSM_P((gsm, long, long *));
- void gsm_encode GSM_P((gsm, gsm_signal *, gsm_byte *));
- int gsm_decode GSM_P((gsm, gsm_byte *, gsm_signal *));
- int gsm_explode GSM_P((gsm, gsm_byte *, gsm_signal *));
- void gsm_implode GSM_P((gsm, gsm_signal *, gsm_byte *));
- #ifdef __cplusplus
- }
- #endif
- #undef GSM_P
- #endif /* GSM_H */