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/*
* section and descriptor parser
*
* Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <libucsi/section.h>
#include <libucsi/atsc/mgt_section.h>
#include <libucsi/atsc/tvct_section.h>
#include <libucsi/atsc/cvct_section.h>
#include <libucsi/atsc/rrt_section.h>
#include <libucsi/atsc/eit_section.h>
#include <libucsi/atsc/ett_section.h>
#include <libucsi/atsc/stt_section.h>
#include <libucsi/atsc/dcct_section.h>
#include <libucsi/atsc/dccsct_section.h>
#ifndef _UCSI_ATSC_SECTION_H
#define _UCSI_ATSC_SECTION_H 1
#ifdef __cplusplus
extern "C"
{
#endif
#define ATSC_BASE_PID 0x1ffb
/**
* Enumeration of ATSC section tags.
*/
enum atsc_section_tag {
stag_atsc_master_guide = 0xc7,
stag_atsc_terrestrial_virtual_channel = 0xc8,
stag_atsc_cable_virtual_channel = 0xc9,
stag_atsc_rating_region = 0xca,
stag_atsc_event_information = 0xcb,
stag_atsc_extended_text = 0xcc,
stag_atsc_system_time = 0xcd,
};
/**
* ATSC specific PSIP section structure.
*/
struct atsc_section_psip {
struct section_ext ext_head;
uint8_t protocol_version;
} __ucsi_packed;
/**
* Decode a PSIP section structure.
*
* @param section_ext Pointer to the processed section_ext structure.
* @return Pointer to the parsed section_psip structure, or NULL if invalid.
*/
static inline struct atsc_section_psip *atsc_section_psip_decode(struct section_ext *section_ext)
{
size_t len = section_ext_length(section_ext);
if (len < sizeof(struct atsc_section_psip)) {
return NULL;
}
return (struct atsc_section_psip *) section_ext;
}
#ifdef __cplusplus
}
#endif
#endif
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