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79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
/*
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* Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
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* Universitaet Berlin. See the accompanying file "COPYRIGHT" for
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* details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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*/
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/*$Header: /home/kbs/jutta/src/gsm/gsm-1.0/inc/RCS/gsm.h,v 1.11 1996/07/05 18:02:56 jutta Exp $*/
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#ifndef GSM_H
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#define GSM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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# define NeedFunctionPrototypes 1
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#endif
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#if __STDC__
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# define NeedFunctionPrototypes 1
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#endif
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#ifdef _NO_PROTO
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# undef NeedFunctionPrototypes
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#endif
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#ifdef NeedFunctionPrototypes
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# include <stdio.h> /* for FILE * */
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#endif
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#undef GSM_P
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#if NeedFunctionPrototypes
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# define GSM_P( protos ) protos
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#else
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# define GSM_P( protos ) ( /* protos */ )
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#endif
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/*
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* Interface
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*/
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typedef struct gsm_state * gsm;
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typedef short gsm_signal; /* signed 16 bit */
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typedef unsigned char gsm_byte;
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typedef gsm_byte gsm_frame[33]; /* 33 * 8 bits */
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#define GSM_MAGIC 0xD /* 13 kbit/s RPE-LTP */
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#define GSM_PATCHLEVEL 19
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#define GSM_MINOR 0
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#define GSM_MAJOR 1
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#define GSM_OPT_VERBOSE 1
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#define GSM_OPT_FAST 2
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#define GSM_OPT_LTP_CUT 3
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#define GSM_OPT_WAV49 4
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#define GSM_OPT_FRAME_INDEX 5
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#define GSM_OPT_FRAME_CHAIN 6
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extern gsm gsm_create GSM_P((void));
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extern void gsm_destroy GSM_P((gsm));
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extern int gsm_print GSM_P((FILE *, gsm, gsm_byte *));
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extern int gsm_option GSM_P((gsm, int, int *));
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extern void gsm_encode GSM_P((gsm, gsm_signal *, gsm_byte *));
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extern int gsm_decode GSM_P((gsm, gsm_byte *, gsm_signal *));
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extern int gsm_explode GSM_P((gsm, gsm_byte *, gsm_signal *));
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extern void gsm_implode GSM_P((gsm, gsm_signal *, gsm_byte *));
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#undef GSM_P
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif /* GSM_H */
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