/usr/include/dvbpsi/tot.h is in libdvbpsi-dev 1.0.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* tot.h
* Copyright (C) 2001-2011 VideoLAN
* $Id$
*
* Authors: Johann Hanne
* heavily based on pmt.c which was written by
* Arnaud de Bossoreille de Ribou <bozo@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 <tot.h>
* \author Johann Hanne
* \brief Application interface for the TDT/TOT decoder and the TDT/TOT generator.
*
* Application interface for the TDT (Time and Date Table)/TOT (Time Offset Table)
* decoder and the TDT/TOT generator. New decoded TDT/TOT tables are sent by
* callback to the application.
*/
#ifndef _DVBPSI_TOT_H_
#define _DVBPSI_TOT_H_
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_tot_t
*****************************************************************************/
/*!
* \struct dvbpsi_tot_s
* \brief TDT/TOT structure.
*
* This structure is used to store a decoded TDT/TOT.
* (ETSI EN 300 468 section 5.2.5/5.2.6).
*/
/*!
* \typedef struct dvbpsi_tot_s dvbpsi_tot_t
* \brief dvbpsi_tot_t type definition.
*/
typedef struct dvbpsi_tot_s
{
uint8_t i_table_id; /*!< table id */
uint16_t i_extension; /*!< subtable id */
/* Subtable specific */
uint8_t i_version; /*!< version_number */
bool b_current_next; /*!< current_next_indicator */
uint64_t i_utc_time; /*!< UTC_time */
dvbpsi_descriptor_t * p_first_descriptor; /*!< descriptor list */
uint32_t i_crc; /*!< CRC_32 (TOT only) */
} __attribute__((packed)) dvbpsi_tot_t;
/*****************************************************************************
* dvbpsi_tot_callback
*****************************************************************************/
/*!
* \typedef void (* dvbpsi_tot_callback)(void* p_cb_data,
dvbpsi_tot_t* p_new_tot)
* \brief Callback type definition.
*/
typedef void (* dvbpsi_tot_callback)(void* p_cb_data, dvbpsi_tot_t* p_new_tot);
/*****************************************************************************
* dvbpsi_tot_attach
*****************************************************************************/
/*!
* \fn bool dvbpsi_tot_attach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_tot_callback pf_callback, void* p_cb_data)
* \brief Creation and initialization of a TDT/TOT decoder.
* \param p_dvbpsi dvbpsi handle pointing to Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, usually 0x70
* \param i_extension Table ID extension, unused in the TDT/TOT
* \param pf_callback function to call back on new TDT/TOT.
* \param p_cb_data private data given in argument to the callback.
* \return true on success, false on failure
*/
bool dvbpsi_tot_attach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_tot_callback pf_callback, void* p_cb_data);
/*****************************************************************************
* dvbpsi_tot_detach
*****************************************************************************/
/*!
* \fn int dvbpsi_tot_detach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
* \brief Destroy a TDT/TOT decoder.
* \param p_dvbpsi Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, usually 0x70
* \param i_extension Table ID extension, unused in the TDT/TOT
* \return nothing.
*/
void dvbpsi_tot_detach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension);
/*****************************************************************************
* dvbpsi_tot_init/dvbpsi_tot_new
*****************************************************************************/
/*!
* \fn void dvbpsi_tot_init(dvbpsi_tot_t* p_tot, uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, bool b_current_next, uint64_t i_utc_time);
* \brief Initialize a user-allocated dvbpsi_tot_t structure.
* \param p_tot pointer to the TDT/TOT structure
* \param i_table_id Table ID, usually 0x70
* \param i_extension Table ID extension, unused in the TDT/TOT
* \param i_version SDT version
* \param b_current_next current next indicator
* \param i_utc_time the time in UTC
* \return nothing.
*/
void dvbpsi_tot_init(dvbpsi_tot_t* p_tot, uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, bool b_current_next, uint64_t i_utc_time);
/*!
* \fn dvbpsi_tot_t *dvbpsi_tot_new(uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, bool b_current_next, uint64_t i_utc_time);
* \brief Allocate and initialize a new dvbpsi_tot_t structure.
* \param i_table_id Table ID, usually 0x70
* \param i_extension Table ID extension, unused in the TDT/TOT
* \param i_version SDT version
* \param b_current_next current next indicator
* \param i_utc_time the time in UTC
* \return p_tot pointer to the TDT/TOT structure
*/
dvbpsi_tot_t *dvbpsi_tot_new(uint8_t i_table_id, uint16_t i_extension, uint8_t i_version,
bool b_current_next, uint64_t i_utc_time);
/*****************************************************************************
* dvbpsi_tot_empty/dvbpsi_tot_delete
*****************************************************************************/
/*!
* \fn void dvbpsi_tot_empty(dvbpsi_tot_t* p_tot)
* \brief Clean a dvbpsi_tot_t structure.
* \param p_tot pointer to the TDT/TOT structure
* \return nothing.
*/
void dvbpsi_tot_empty(dvbpsi_tot_t* p_tot);
/*!
* \fn dvbpsi_tot_delete(dvbpsi_tot_t* p_tot)
* \brief Clean and free a dvbpsi_tot_t structure.
* \param p_tot pointer to the TDT/TOT structure
* \return nothing.
*/
void dvbpsi_tot_delete(dvbpsi_tot_t* p_tot);
/*****************************************************************************
* dvbpsi_tot_descriptor_add
*****************************************************************************/
/*!
* \fn dvbpsi_descriptor_t* dvbpsi_tot_descriptor_add(dvbpsi_tot_t* p_tot,
uint8_t i_tag,
uint8_t i_length,
uint8_t* p_data)
* \brief Add a descriptor in the TOT.
* \param p_tot pointer to the TOT 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_tot_descriptor_add(dvbpsi_tot_t* p_tot,
uint8_t i_tag, uint8_t i_length,
uint8_t* p_data);
/*****************************************************************************
* dvbpsi_tot_sections_generate
*****************************************************************************/
/*!
* \fn dvbpsi_psi_section_t* dvbpsi_tot_sections_generate(dvbpsi_t *p_dvbpsi, dvbpsi_tot_t* p_tot)
* \brief TDT/TOT generator
* \param p_dvbpsi handle to dvbpsi with attached decoder
* \param p_tot TDT/TOT structure
* \return a pointer to the list of generated PSI sections.
*
* Generate TDT/TOT sections based on the dvbpsi_tot_t structure.
*/
dvbpsi_psi_section_t* dvbpsi_tot_sections_generate(dvbpsi_t* p_dvbpsi, dvbpsi_tot_t* p_tot);
/*****************************************************************************
* deprecated API's
*****************************************************************************/
__attribute__((deprecated))
int dvbpsi_AttachTOT(dvbpsi_decoder_t * p_psi_decoder, uint8_t i_table_id,
uint16_t i_extension,
dvbpsi_tot_callback pf_callback, void* p_cb_data);
__attribute__((deprecated))
void dvbpsi_DetachTOT(dvbpsi_demux_t * p_demux, uint8_t i_table_id,
uint16_t i_extension);
__attribute__((deprecated))
void dvbpsi_NewTOT(dvbpsi_tot_t* p_tot, uint64_t i_utc_time);
__attribute__((deprecated)) void dvbpsi_DeleteTOT(dvbpsi_tot_t* p_tot);
__attribute__((deprecated))
dvbpsi_descriptor_t* dvbpsi_TOTAddDescriptor(dvbpsi_tot_t* p_tot,
uint8_t i_tag, uint8_t i_length,
uint8_t* p_data);
__attribute__((deprecated))
dvbpsi_psi_section_t* dvbpsi_GenTOTSections(dvbpsi_tot_t* p_tot);
#ifdef __cplusplus
};
#endif
#else
#error "Multiple inclusions of tot.h"
#endif
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