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/* packet-mpeg-sect.h
* Declarations of exported routines from mpeg-sect dissector
* Copyright 2012, Weston Schmidt <weston_schmidt@alumni.purdue.edu>
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __PACKET_MPEG_SECT_H_
#define __PACKET_MPEG_SECT_H__
#define PACKET_MPEG_SECT_PI__TABLE_ID 0
#define PACKET_MPEG_SECT_PI__SSI 1
#define PACKET_MPEG_SECT_PI__RESERVED 2
#define PACKET_MPEG_SECT_PI__LENGTH 3
#define PACKET_MPEG_SECT_PI__SIZE 4
/* convert a byte that contains two 4bit BCD digits into a decimal value */
#define MPEG_SECT_BCD44_TO_DEC(x) (((x&0xf0) >> 4) * 10 + (x&0x0f))
/*
* Used to read a date provided in MJD format into a utc_time structure
*/
extern gint
packet_mpeg_sect_mjd_to_utc_time(tvbuff_t *tvb, gint offset, nstime_t *utc_time);
/*
* Used to process the 'standard' mpeg section header that is described below
* and populate the data into the tree
*/
extern guint
packet_mpeg_sect_header(tvbuff_t *tvb, guint offset,
proto_tree *tree, guint *sect_len, gboolean *ssi);
/*
* Used to return all the values & items for 'strict' processing of the
* sub-dissectors that make use of this dissector
*/
extern guint
packet_mpeg_sect_header_extra(tvbuff_t *tvb, guint offset, proto_tree *tree,
guint *sect_len, guint *reserved, gboolean *ssi,
proto_item **items);
/*
* Used to process the mpeg CRC information & report erorrs found with it.
*/
extern guint
packet_mpeg_sect_crc(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree, guint start, guint end);
#endif
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