source: svn/newcon3bcm2_21bu/BSEAV/lib/scte65/aett/si_aett.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_aett.h
** Description: defines for the AETT table parse function.
**
** Created: 03/08/2001 
**
** REVISION:
**
** $Log: $
**
**
****************************************************************/
#ifndef SI_AETT_H
#define SI_AETT_H

/* this file requires that si_list.h be included before it. */

/* For the following, refer to table 5.35 of ANSI/SCTE65 2002 (DVS234) */
typedef struct _SI_AETT_TEXT
{
        SI_LST_D_ENTRY(_SI_AETT_TEXT) text_link;
        unsigned short event_ID;
        unsigned short extended_text_length;
        char * extended_text_message;
} SI_AETT_TEXT;

typedef struct _SI_AETT_SOURCE
{
        SI_LST_D_ENTRY(_SI_AETT_SOURCE) source_link;
        unsigned short source_ID;
        SI_LST_D_HEAD(aett_text_list, _SI_AETT_TEXT) aett_text;
} SI_AETT_SOURCE;

typedef struct _SI_AETT_SLOT{
        SI_LST_D_ENTRY(_SI_AETT_SLOT) slot_link;
        unsigned char MGT_tag;
        unsigned char MGT_version_number;
        unsigned short pid;
        unsigned char version_number;
        unsigned long section_mask[8];
        SI_LST_D_HEAD(aett_source_list, _SI_AETT_SOURCE) aett_source;
} SI_AETT_SLOT;


/* For the following, refer to table 5.35 of ANSI/SCTE65 2002 (DVS234) */

#define AETT_TABLE_ID_BYTE_INDX         0
#define AETT_TABLE_ID_BYTE_NUM                  1
#define AETT_TABLE_ID_SHIFT                     0
#define AETT_TABLE_ID_MASK                              0xff

#define AETT_SECTION_LENGTH_BYTE_INDX    1
#define AETT_SECTION_LENGTH_BYTE_NUM    2
#define AETT_SECTION_LENGTH_SHIFT    0
#define AETT_SECTION_LENGTH_MASK    0x0fff

#define AETT_AETT_SUBTYPE_BYTE_INDX    3
#define AETT_AETT_SUBTYPE_BYTE_NUM    1
#define AETT_AETT_SUBTYPE_SHIFT    0
#define AETT_AETT_SUBTYPE_MASK    0xff

#define AETT_MGT_TAG_BYTE_INDX    4
#define AETT_MGT_TAG_BYTE_NUM    1
#define AETT_MGT_TAG_SHIFT    0
#define AETT_MGT_TAG_MASK    0xff

#define AETT_VERSION_NUMBER_BYTE_INDX    5
#define AETT_VERSION_NUMBER_BYTE_NUM    1
#define AETT_VERSION_NUMBER_SHIFT    1
#define AETT_VERSION_NUMBER_MASK    0x1f

#define AETT_CURRENT_NEXT_INDICATOR_BYTE_INDX    5
#define AETT_CURRENT_NEXT_INDICATOR_BYTE_NUM    1
#define AETT_CURRENT_NEXT_INDICATOR_SHIFT    0
#define AETT_CURRENT_NEXT_INDICATOR_MASK    0x01

#define AETT_SECTION_NUMBER_BYTE_INDX    6
#define AETT_SECTION_NUMBER_BYTE_NUM    1
#define AETT_SECTION_NUMBER_SHIFT    0
#define AETT_SECTION_NUMBER_MASK    0xff

#define AETT_LAST_SECTION_NUMBER_BYTE_INDX    7
#define AETT_LAST_SECTION_NUMBER_BYTE_NUM    1
#define AETT_LAST_SECTION_NUMBER_SHIFT    0
#define AETT_LAST_SECTION_NUMBER_MASK    0xff

#define AETT_NUM_BLOCKS_IN_SECTION_BYTE_INDX    8
#define AETT_NUM_BLOCKS_IN_SECTION_BYTE_NUM    1
#define AETT_NUM_BLOCKS_IN_SECTION_SHIFT    0
#define AETT_NUM_BLOCKS_IN_SECTION_MASK    0xff

/* defines for items in the block loop relative offset only. */
#define AETT_ETM_ID_BYTE_INDX           0
#define AETT_ETM_ID_BYTE_NUM                    4
#define AETT_ETM_ID_SHIFT                       0
#define AETT_ETM_ID_MASK                                0xffffffff

#define AETT_ETT_LENGTH_BYTE_INDX               4
#define AETT_ETT_LENGTH_BYTE_NUM                        2
#define AETT_ETT_LENGTH_SHIFT                   0
#define AETT_ETT_LENGTH_MASK                            0xfff



#ifdef __cplusplus
extern "C" {
#endif

SI_AETT_SLOT *SI_AETT_Create_Slot (void);
SI_RET_CODE SI_AETT_Clear_Slot (SI_AETT_SLOT * slot);
SI_RET_CODE SI_AETT_Parse (unsigned char *aett_table);

#ifdef __cplusplus
}
#endif



#endif