/usr/include/dvbpsi/sdt.h is in libdvbpsi-dev 1.3.0-4.
This file is owned by root:root, with mode 0o644.
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* sdt.h
* Copyright (C) 2001-2011 VideoLAN
* $Id$
*
* Authors: Johan Bilien <jobi@via.ecp.fr>
* Jean-Paul Saman <jpsaman@videolan.org>
*
* 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
*
*****************************************************************************/
/*!
* \file <sdt.h>
* \author Johan Bilien <jobi@via.ecp.fr>
* \brief Application interface for the SDT decoder and the SDT generator.
*
* Application interface for the SDT decoder and the SDT generator.
* New decoded SDT tables are sent by callback to the application.
*/
#ifndef _DVBPSI_SDT_H_
#define _DVBPSI_SDT_H_
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_sdt_service_t
*****************************************************************************/
/*!
* \struct dvbpsi_sdt_service_s
* \brief SDT service description structure.
*
* This structure is used to store a decoded SDT service description.
* (ETSI EN 300 468 V1.4.1 section 5.2.3).
*/
/*!
* \typedef struct dvbpsi_sdt_service_s dvbpsi_sdt_service_t
* \brief dvbpsi_sdt_service_t type definition.
*/
typedef struct dvbpsi_sdt_service_s
{
uint16_t i_service_id; /*!< service_id */
bool b_eit_schedule; /*!< EIT schedule flag */
bool b_eit_present; /*!< EIT present/following
flag */
uint8_t i_running_status; /*!< Running status */
bool b_free_ca; /*!< Free CA mode flag */
uint16_t i_descriptors_length; /*!< Descriptors loop
length */
dvbpsi_descriptor_t * p_first_descriptor; /*!< First of the following
DVB descriptors */
struct dvbpsi_sdt_service_s * p_next; /*!< next element of
the list */
} dvbpsi_sdt_service_t;
/*****************************************************************************
* dvbpsi_sdt_t
*****************************************************************************/
/*!
* \struct dvbpsi_sdt_s
* \brief SDT structure.
*
* This structure is used to store a decoded SDT.
* (ETSI EN 300 468 V1.4.1 section 5.2.3).
*/
/*!
* \typedef struct dvbpsi_sdt_s dvbpsi_sdt_t
* \brief dvbpsi_sdt_t type definition.
*/
typedef struct dvbpsi_sdt_s
{
/* PSI table members */
uint8_t i_table_id; /*!< table id */
uint16_t i_extension; /*!< subtable id, here transport_stream_id */
/* Table specific */
uint8_t i_version; /*!< version_number */
bool b_current_next; /*!< current_next_indicator */
uint16_t i_network_id; /*!< original network id */
dvbpsi_sdt_service_t * p_first_service; /*!< service description
list */
} dvbpsi_sdt_t;
/*****************************************************************************
* dvbpsi_sdt_callback
*****************************************************************************/
/*!
* \typedef void (* dvbpsi_sdt_callback)(void* p_cb_data,
dvbpsi_sdt_t* p_new_sdt)
* \brief Callback type definition.
*/
typedef void (* dvbpsi_sdt_callback)(void* p_cb_data, dvbpsi_sdt_t* p_new_sdt);
/*****************************************************************************
* dvbpsi_sdt_attach
*****************************************************************************/
/*!
* \fn bool dvbpsi_sdt_attach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_sdt_callback pf_callback,
void* p_cb_data)
* \brief Creation and initialization of a SDT decoder. It is attached to p_dvbpsi.
* \param p_dvbpsi pointer to dvbpsi to hold decoder/demuxer structure
* \param i_table_id Table ID, 0x42 or 0x46.
* \param i_extension Table ID extension, here TS ID.
* \param pf_callback function to call back on new SDT.
* \param p_cb_data private data given in argument to the callback.
* \return true on success, false on failure
*/
bool dvbpsi_sdt_attach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_sdt_callback pf_callback, void* p_cb_data);
/*****************************************************************************
* dvbpsi_sdt_detach
*****************************************************************************/
/*!
* \fn void dvbpsi_sdt_detach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension)
* \brief Destroy a SDT decoder.
* \param p_dvbpsi pointer holding decoder/demuxer structure
* \param i_table_id Table ID, 0x42 or 0x46.
* \param i_extension Table ID extension, here TS ID.
* \return nothing.
*/
void dvbpsi_sdt_detach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension);
/*****************************************************************************
* dvbpsi_sdt_init/dvbpsi_NewSDT
*****************************************************************************/
/*!
* \fn void dvbpsi_sdt_init(dvbpsi_sdt_t* p_sdt, uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, bool b_current_next, uint16_t i_network_id)
* \brief Initialize a user-allocated dvbpsi_sdt_t structure.
* \param p_sdt pointer to the SDT structure
* \param i_table_id Table ID, 0x42 or 0x46.
* \param i_extension Table ID extension, here TS ID.
* \param i_version SDT version
* \param b_current_next current next indicator
* \param i_network_id original network id
* \return nothing.
*/
void dvbpsi_sdt_init(dvbpsi_sdt_t *p_sdt, uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, bool b_current_next, uint16_t i_network_id);
/*!
* \fn dvbpsi_sdt_t *dvbpsi_sdt_new(uint8_t i_table_id, uint16_t i_extension, uint8_t i_version,
bool b_current_next, uint16_t i_network_id)
* \brief Allocate and initialize a new dvbpsi_sdt_t structure.
* \param i_table_id Table ID, 0x42 or 0x46.
* \param i_extension Table ID extension, here TS ID.
* \param i_version SDT version
* \param b_current_next current next indicator
* \param i_network_id original network id
* \return p_sdt pointer to the SDT structure
*/
dvbpsi_sdt_t *dvbpsi_sdt_new(uint8_t i_table_id, uint16_t i_extension, uint8_t i_version,
bool b_current_next, uint16_t i_network_id);
/*****************************************************************************
* dvbpsi_sdt_empty/dvbpsi_sdt_delete
*****************************************************************************/
/*!
* \fn void dvbpsi_sdt_empty(dvbpsi_sdt_t* p_sdt)
* \brief Clean a dvbpsi_sdt_t structure.
* \param p_sdt pointer to the SDT structure
* \return nothing.
*/
void dvbpsi_sdt_empty(dvbpsi_sdt_t *p_sdt);
/*!
* \fn dvbpsi_sdt_delete(dvbpsi_sdt_t *p_sdt)
* \brief Clean and free a dvbpsi_sdt_t structure.
* \param p_sdt pointer to the SDT structure
* \return nothing.
*/
void dvbpsi_sdt_delete(dvbpsi_sdt_t *p_sdt);
/*****************************************************************************
* dvbpsi_sdt_service_add
*****************************************************************************/
/*!
* \fn dvbpsi_sdt_service_t* dvbpsi_sdt_service_add(dvbpsi_sdt_t* p_sdt,
uint16_t i_service_id,
bool b_eit_schedule,
bool b_eit_present,
uint8_t i_running_status,
bool b_free_ca)
* \brief Add a service at the end of the SDT.
* \param p_sdt pointer to the SDT structure
* \param i_service_id Service ID
* \param b_eit_schedule EIT Schedule flag
* \param b_eit_present EIT Present/Following flag
* \param i_running_status Running status
* \param b_free_ca Free CA flag
* \return a pointer to the added service description.
*/
dvbpsi_sdt_service_t *dvbpsi_sdt_service_add(dvbpsi_sdt_t* p_sdt,
uint16_t i_service_id, bool b_eit_schedule, bool b_eit_present,
uint8_t i_running_status, bool b_free_ca);
/*****************************************************************************
* dvbpsi_sdt_service_descriptor_add
*****************************************************************************/
/*!
* \fn dvbpsi_descriptor_t *dvbpsi_sdt_service_descriptor_add(
dvbpsi_sdt_service_t *p_service,
uint8_t i_tag, uint8_t i_length,
uint8_t *p_data)
* \brief Add a descriptor in the SDT service.
* \param p_service pointer to the service structure
* \param i_tag descriptor's tag
* \param i_length descriptor's length
* \param p_data descriptor's data
* \return a pointer to the added descriptor.
*/
dvbpsi_descriptor_t *dvbpsi_sdt_service_descriptor_add(
dvbpsi_sdt_service_t *p_service,
uint8_t i_tag, uint8_t i_length,
uint8_t *p_data);
/*****************************************************************************
* dvbpsi_sdt_sections_generate
*****************************************************************************
* Generate SDT sections based on the dvbpsi_sdt_t structure.
*****************************************************************************/
/*!
* \fn dvbpsi_psi_section_t* dvbpsi_sdt_sections_generate(dvbpsi_t *p_dvbpsi,
dvbpsi_sdt_t * p_sdt)
* \brief SDT generator
* \param p_dvbpsi handle to dvbpsi with attached decoder
* \param p_sdt SDT structure
* \return a pointer to the list of generated PSI sections.
*
* Generate SDT sections based on the dvbpsi_sdt_t structure.
*/
dvbpsi_psi_section_t *dvbpsi_sdt_sections_generate(dvbpsi_t *p_dvbpsi, dvbpsi_sdt_t * p_sdt);
#ifdef __cplusplus
};
#endif
#else
#error "Multiple inclusions of sdt.h"
#endif
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