/usr/include/dvbpsi/atsc_eit.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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Copyright (C) 2006 Adam Charrett
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
eit.h
*/
/*!
* \file atsc_eit.h
* \author Adam Charrett
* \brief Decode PSIP Event Information Table (ATSC EIT).
*/
#ifndef _ATSC_EIT_H
#define _ATSC_EIT_H
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_atsc_eit_event_t
*****************************************************************************/
/*!
* \struct dvbpsi_atsc_eit_event_s
* \brief ATSC EIT Event structure.
*
* This structure is used to store decoded event information.
*/
/*!
* \typedef struct dvbpsi_atsc_eit_event_s dvbpsi_atsc_eit_event_t
* \brief dvbpsi_atsc_eit_event_t type definition.
*/
typedef struct dvbpsi_atsc_eit_event_s
{
uint16_t i_event_id; /*!< Event ID */
uint32_t i_start_time; /*!< Start time in GPS seconds */
uint8_t i_etm_location; /*!< Extended Text Message location. */
uint32_t i_length_seconds;/*!< Length of program in seconds. */
uint8_t i_title_length; /*!< Length of the title in bytes */
uint8_t i_title[256]; /*!< Title in multiple string structure format. */
dvbpsi_descriptor_t *p_first_descriptor; /*!< First descriptor structure. */
struct dvbpsi_atsc_eit_event_s *p_next;/*!< Next event information structure. */
} dvbpsi_atsc_eit_event_t;
/*****************************************************************************
* dvbpsi_atsc_eit_t
*****************************************************************************/
/*!
* \struct dvbpsi_atsc_eit_s
* \brief ATSC EIT structure.
*
* This structure is used to store a decoded EIT.
*/
/*!
* \typedef struct dvbpsi_atsc_eit_s dvbpsi_atsc_eit_t
* \brief dvbpsi_atsc_eit_t type definition.
*/
typedef struct dvbpsi_atsc_eit_s
{
uint8_t i_table_id; /*!< table id */
uint16_t i_extension; /*!< subtable id */
uint8_t i_version; /*!< version_number */
bool b_current_next; /*!< current_next_indicator */
uint16_t i_source_id; /*!< Source id used to match against channels */
uint8_t i_protocol; /*!< PSIP Protocol version */
dvbpsi_atsc_eit_event_t *p_first_event; /*!< First event information structure. */
dvbpsi_descriptor_t *p_first_descriptor;/*!< First descriptor structure. */
} dvbpsi_atsc_eit_t;
/*****************************************************************************
* dvbpsi_eit_callback
*****************************************************************************/
/*!
* \typedef void (* dvbpsi_atsc_eit_callback)(void* p_cb_data,
dvbpsi_atsc_eit_t* p_new_eit)
* \brief Callback type definition.
*/
typedef void (* dvbpsi_atsc_eit_callback)(void* p_cb_data, dvbpsi_atsc_eit_t* p_new_eit);
/*****************************************************************************
* dvbpsi_atsc_AttachEIT
*****************************************************************************/
/*!
* \fn bool dvbpsi_atsc_AttachEIT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_atsc_eit_callback pf_callback, void* p_cb_data)
*
* \brief Creation and initialization of a EIT decoder.
* \param p_dvbpsi dvbpsi handle to Subtable demultiplexor to which the decoder is attached
* \param i_table_id Table ID, 0xCB.
* \param i_extension Table ID extension, here TS ID.
* \param pf_callback function to call back on new EIT.
* \param p_cb_data private data given in argument to the callback.
* \return true if everything went ok, false otherwise
*/
bool dvbpsi_atsc_AttachEIT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_atsc_eit_callback pf_callback, void* p_cb_data);
/*****************************************************************************
* dvbpsi_eit_detach
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_DetachEIT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension)
* \brief Destroy a EIT decoder.
* \param p_dvbpsi dvbpsi handle to Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, 0xCB.
* \param i_extension Table ID extension, here TS ID.
* \return nothing.
*/
void dvbpsi_atsc_DetachEIT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension);
/*****************************************************************************
* dvbpsi_atsc_InitEIT/dvbpsi_atsc_NewEIT
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_InitEIT(dvbpsi_atsc_eit_t* p_eit, uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, uint8_t i_protocol,
uint16_t i_source_id, bool b_current_next);
* \brief Initialize a user-allocated dvbpsi_atsc_eit_t structure.
* \param p_eit pointer to the EIT structure
* \param i_table_id Table ID, 0xCB.
* \param i_extension Table ID extension, here TS ID.
* \param i_version EIT version
* \param i_protocol PSIP Protocol version.
* \param i_source_id Source id.
* \param b_current_next current next indicator
* \return nothing.
*/
void dvbpsi_atsc_InitEIT(dvbpsi_atsc_eit_t* p_eit, uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, uint8_t i_protocol, uint16_t i_source_id, bool b_current_next);
/*!
* \fn dvbpsi_atsc_eit_t *dvbpsi_atsc_NewEIT(uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, uint8_t i_protocol,
uint16_t i_source_id, bool b_current_next)
* \brief Allocate and initialize a new dvbpsi_eit_t structure. Use ObjectRefDec to delete it.
* \param i_table_id Table ID, 0xCB.
* \param i_extension Table ID extension, here TS ID.
* \param i_version EIT version
* \param i_protocol PSIP Protocol version.
* \param i_source_id Source id.
* \param b_current_next current next indicator
* \return p_eit pointer to the EIT structure or NULL on error
*/
dvbpsi_atsc_eit_t *dvbpsi_atsc_NewEIT(uint8_t i_table_id, uint16_t i_extension,
uint8_t i_version, uint8_t i_protocol,
uint16_t i_source_id, bool b_current_next);
/*****************************************************************************
* dvbpsi_atsc_EmptyEIT
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_EmptyEIT(dvbpsi_atsc_eit_t* p_eit)
* \brief Clean a dvbpsi_eit_t structure.
* \param p_eit pointer to the EIT structure
* \return nothing.
*/
void dvbpsi_atsc_EmptyEIT(dvbpsi_atsc_eit_t *p_eit);
/*!
* \fn void dvbpsi_atsc_DeleteEIT(dvbpsi_atsc_eit_t *p_eit)
* \brief Clean and free a dvbpsi_eit_t structure.
* \param p_eit pointer to the EIT structure
* \return nothing.
*/
void dvbpsi_atsc_DeleteEIT(dvbpsi_atsc_eit_t *p_eit);
#ifdef __cplusplus
};
#endif
#endif
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