diff options
author | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-01-16 15:51:43 +0000 |
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committer | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-01-16 15:51:43 +0000 |
commit | 52acc4c45786fc04da9536c2801eb2b483cc2009 (patch) | |
tree | 3e0b68760b7b6d49c72de4fd5b747ed4d5726ad3 /codecs/gsm/inc/gsm.h | |
parent | 5d9d64e584ec5220835eb10a124b555d449fa3d3 (diff) | |
parent | caebf8461f9849f484eb5bbd649880e457c20e31 (diff) |
Creating tag for the release of asterisk-1.4.23-rc4
git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.4.23-rc4@168755 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'codecs/gsm/inc/gsm.h')
-rw-r--r-- | 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 100644 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 */ |