source: svn/trunk/newcon3bcm2_21bu/BSEAV/lib/scte65/ntt/si_ntt_sns.h

/***************************************************************
**
** Broadcom Corp. Confidential
** Copyright 2003-2008 Broadcom Corp. All Rights Reserved.
**
** THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED 
** SOFTWARE LICENSE AGREEMENT BETWEEN THE USER AND BROADCOM. 
** YOU HAVE NO RIGHT TO USE OR EXPLOIT THIS MATERIAL EXCEPT 
** SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
**
** File:                si_ntt_sns.h
** Description: defines and headers for function that parses the 
**                              NTT table SNS subtable sections.
**
** Created: 03/08/2001 
**
** REVISION:
**
** $Log: $
**
**
****************************************************************/

#ifndef SI_NTT_SNS_H
#define SI_NTT_SNS_H

#include "si_list.h"

typedef struct _SI_NTT_SNS_LINK
{
        unsigned char appflag;                  /* 1 for app, 0 for source. */
        unsigned short source_ID;               /* source_ID corresponding to the channel. */
        unsigned char name_len;
        unsigned char *source_name;
        SI_LST_D_ENTRY(_SI_NTT_SNS_LINK) sns_link;
} SI_NTT_SNS_LINK;

SI_LST_D_HEAD(NTT_SNS_List_Struct, _SI_NTT_SNS_LINK);


/* For the following, refer to table 5.12 of ANSI/SCTE65 2002 (DVS234) */
/* for SNS subtable. relative offset to SNS subtable start. */
#define NTT_SNS_NUM_REC_BYTE_INDX       0
#define NTT_SNS_NUM_REC_BYTE_NUM        1
#define NTT_SNS_NUM_REC_SHIFT           0
#define NTT_SNS_NUM_REC_MASK            0xff

/* for each SNS record, relative offset to the start of SNS record loop. */
#define NTT_SNS_APP_TYPE_BYTE_INDX              0
#define NTT_SNS_APP_TYPE_BYTE_NUM               1
#define NTT_SNS_APP_TYPE_SHIFT                  7
#define NTT_SNS_APP_TYPE_MASK                   0x1

#define NTT_SNS_SOURCE_ID_BYTE_INDX             1
#define NTT_SNS_SOURCE_ID_BYTE_NUM              2
#define NTT_SNS_SOURCE_ID_SHIFT                 0
#define NTT_SNS_SOURCE_ID_MASK                  0xffff

#define NTT_SNS_NAME_LEN_BYTE_INDX              3
#define NTT_SNS_NAME_LEN_BYTE_NUM               1
#define NTT_SNS_NAME_LEN_SHIFT                  0
#define NTT_SNS_NAME_LEN_MASK                   0xff

/* for descriptor count after the source name, relative to the point after the source name text. */
#define NTT_SNS_DESC_CNT_BYTE_INDX              0
#define NTT_SNS_DESC_CNT_BYTE_NUM               1
#define NTT_SNS_DESC_CNT_SHIFT                  0
#define NTT_SNS_DESC_CNT_MASK                   0xff

#define SNS_MTT_MAX_LEN 256
typedef struct SI_NTT_SNS_t
{
        unsigned int iso639;
        unsigned char application_type;
        unsigned short source_id;
        unsigned char name_length;
        unsigned char mtt[SNS_MTT_MAX_LEN];
}SI_NTT_SNS_t;
typedef struct SI_NTT_SNS_Callback_t
{
        void (*cb)(SI_NTT_SNS_t *sns, void *data);
        void * data;
}SI_NTT_SNS_Callback_t;


#ifdef __cplusplus
extern "C" {
#endif

void SI_NTT_SNS_Init(SI_NTT_SNS_Callback_t *cb);
SI_RET_CODE SI_NTT_SNS_Free_List(void);
unsigned char * SI_NTT_SNS_Pointer (unsigned char *table);
SI_RET_CODE SI_NTT_SNS_Parse (unsigned char *table,unsigned int iso639);

#ifdef __cplusplus
}
#endif



#endif