forked from osmocom/wireshark
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/* packet-mpeg-sect.h
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* Declarations of exported routines from mpeg-sect dissector
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* Copyright 2012, Weston Schmidt <weston_schmidt@alumni.purdue.edu>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __PACKET_MPEG_SECT_H__
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#define __PACKET_MPEG_SECT_H__
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#define PACKET_MPEG_SECT_PI__TABLE_ID 0
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#define PACKET_MPEG_SECT_PI__SSI 1
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#define PACKET_MPEG_SECT_PI__RESERVED 2
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#define PACKET_MPEG_SECT_PI__LENGTH 3
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#define PACKET_MPEG_SECT_PI__SIZE 4
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/* convert a byte that contains two 4bit BCD digits into a decimal value */
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#define MPEG_SECT_BCD44_TO_DEC(x) (((x&0xf0) >> 4) * 10 + (x&0x0f))
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/*
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* Used to read a date provided in MJD format into a utc_time structure
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*/
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extern gint
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packet_mpeg_sect_mjd_to_utc_time(tvbuff_t *tvb, gint offset, nstime_t *utc_time);
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/*
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* Used to process the 'standard' mpeg section header that is described below
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* and populate the data into the tree
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*/
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extern guint
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packet_mpeg_sect_header(tvbuff_t *tvb, guint offset,
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proto_tree *tree, guint *sect_len, gboolean *ssi);
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/*
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* Used to return all the values & items for 'strict' processing of the
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* sub-dissectors that make use of this dissector
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*/
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extern guint
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packet_mpeg_sect_header_extra(tvbuff_t *tvb, guint offset, proto_tree *tree,
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guint *sect_len, guint *reserved, gboolean *ssi,
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proto_item **items);
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/*
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* Used to process the mpeg CRC information & report erorrs found with it.
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*/
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extern guint
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packet_mpeg_sect_crc(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, guint start, guint end);
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#endif
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