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gsm.h

gsm.h 1.6 KB
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  1. /*
    2. 

  2.  * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
    3. 

  3.  * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
    4. 

  4.  * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
    5. 

  5.  */
    6. 

  6. 

  7. /*$Header: /home/kbs/jutta/src/gsm/gsm-1.0/inc/RCS/gsm.h,v 1.11 1996/07/05 18:02:56 jutta Exp $*/
    8. 

  8. 

  9. #ifndef	GSM_H
    10. 

  10. #define	GSM_H
    11. 

  11. 

  12. #ifdef __cplusplus
    13. 

  13. #	define	NeedFunctionPrototypes	1
    14. 

  14. #endif
    15. 

  15. 

  16. #if __STDC__
    17. 

  17. #	define	NeedFunctionPrototypes	1
    18. 

  18. #endif
    19. 

  19. 

  20. #ifdef _NO_PROTO
    21. 

  21. #	undef	NeedFunctionPrototypes
    22. 

  22. #endif
    23. 

  23. 

  24. #ifdef NeedFunctionPrototypes
    25. 

  25. #   include	<stdio.h>		/* for FILE * 	*/
    26. 

  26. #endif
    27. 

  27. 

  28. #undef GSM_P
    29. 

  29. #if NeedFunctionPrototypes
    30. 

  30. #	define	GSM_P( protos )	protos
    31. 

  31. #else
    32. 

  32. #	define  GSM_P( protos )	( /* protos */ )
    33. 

  33. #endif
    34. 

  34. 

  35. /*
    36. 

  36.  *	Interface
    37. 

  37.  */
    38. 

  38. 

  39. typedef struct gsm_state * 	gsm;
    40. 

  40. typedef short		   	gsm_signal;		/* signed 16 bit */
    41. 

  41. typedef unsigned char		gsm_byte;
    42. 

  42. typedef gsm_byte 		gsm_frame[33];		/* 33 * 8 bits	 */
    43. 

  43. 

  44. #define	GSM_MAGIC		0xD		  	/* 13 kbit/s RPE-LTP */
    45. 

  45. 

  46. #define	GSM_PATCHLEVEL		10
    47. 

  47. #define	GSM_MINOR		0
    48. 

  48. #define	GSM_MAJOR		1
    49. 

  49. 

  50. #define	GSM_OPT_VERBOSE		1
    51. 

  51. #define	GSM_OPT_FAST		2
    52. 

  52. #define	GSM_OPT_LTP_CUT		3
    53. 

  53. #define	GSM_OPT_WAV49		4
    54. 

  54. #define	GSM_OPT_FRAME_INDEX	5
    55. 

  55. #define	GSM_OPT_FRAME_CHAIN	6
    56. 

  56. 

  57. extern gsm  gsm_create 	GSM_P((void));
    58. 

  58. extern void gsm_destroy GSM_P((gsm));	
    59. 

  59. 

  60. extern int  gsm_print   GSM_P((FILE *, gsm, gsm_byte  *));
    61. 

  61. extern int  gsm_option  GSM_P((gsm, int, int *));
    62. 

  62. 

  63. extern void gsm_encode  GSM_P((gsm, gsm_signal *, gsm_byte  *));
    64. 

  64. extern int  gsm_decode  GSM_P((gsm, gsm_byte   *, gsm_signal *));
    65. 

  65. 

  66. extern int  gsm_explode GSM_P((gsm, gsm_byte   *, gsm_signal *));
    67. 

  67. extern void gsm_implode GSM_P((gsm, gsm_signal *, gsm_byte   *));
    68. 

  68. 

  69. #undef	GSM_P
    70. 

  70. 

  71. #endif	/* GSM_H */
    72.