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author | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 1999-11-15 06:08:50 +0000 |
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committer | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 1999-11-15 06:08:50 +0000 |
commit | 95986cb001dda2bc2fdd92463ea48bd8acf96d6b (patch) | |
tree | b3769d333429e596524dc78e3841008f7af2ae74 /codecs/gsm/inc/gsm.h | |
parent | a4717bc16b9a517a9685ee579aeb35af8933ce1c (diff) |
Version 0.1.0 from FTP
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@23 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'codecs/gsm/inc/gsm.h')
-rwxr-xr-x | codecs/gsm/inc/gsm.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/codecs/gsm/inc/gsm.h b/codecs/gsm/inc/gsm.h new file mode 100755 index 000000000..81065e512 --- /dev/null +++ b/codecs/gsm/inc/gsm.h @@ -0,0 +1,71 @@ +/* + * 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. + */ + +/*$Header$*/ + +#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_print GSM_P((FILE *, gsm, gsm_byte *)); +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 *)); + +extern int gsm_explode GSM_P((gsm, gsm_byte *, gsm_signal *)); +extern void gsm_implode GSM_P((gsm, gsm_signal *, gsm_byte *)); + +#undef GSM_P + +#endif /* GSM_H */ |