/usr/include/dvbpsi/sis.h is in libdvbpsi-dev 0.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* sis.h
* Copyright (c) 2010-2011 VideoLAN
* $Id$
*
* Authors: 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 <sis.h>
* \author Jean-Paul Saman <jpsaman@videolan.org>
* \brief Application interface for the SIS decoder and the SIS generator.
*
* Application interface for the SIS decoder and the SIS generator.
* New decoded SIS tables are sent by callback to the application.
*/
#ifndef _DVBPSI_SIS_H_
#define _DVBPSI_SIS_H_
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_sis_t
*****************************************************************************/
/*!
* \struct dvbpsi_sis_s
* \brief SIS structure.
*
* This structure is used to store a decoded SIS service description.
* (SCTE 35 2004 section 7.2).
*/
/*!
* \typedef struct dvbpsi_sis_s dvbpsi_sis_t
* \brief dvbpsi_sis_t type definition.
*/
typedef struct dvbpsi_sis_s
{
/* section */
uint8_t i_protocol_version; /*!< Protocol version
shall be 0 */
/* encryption */
int b_encrypted_packet; /*!< 1 when packet is
encrypted */
uint8_t i_encryption_algorithm; /*!< Encryption algorithm
used */
uint64_t i_pts_adjustment; /*!< PTS offset */
uint8_t cw_index; /*!< CA control word */
/* splice command */
uint16_t i_splice_command_length;/*!< Length of splice command */
uint8_t i_splice_command_type; /*!< Splice command type */
/* FIXME: splice_info_section comes here
* splice_command_type splice_info_section
* 0x00 splice_null()
* 0x01 reserved
* 0x02 reserved
* 0x03 reserved
* 0x04 splice_schedule()
* 0x05 splice_insert()
* 0x06 time_signal()
* 0x07 bandwidth_reservation()
* 0x08 - 0xff reserved
*/
/* descriptors */
uint16_t i_descriptors_length; /*!< Descriptors loop
length */
dvbpsi_descriptor_t * p_first_descriptor; /*!< First of the following
DVB descriptors */
/* FIXME: alignment stuffing */
uint32_t i_ecrc; /*!< CRC 32 of decrypted splice_info_section */
} dvbpsi_sis_t;
/*****************************************************************************
* dvbpsi_sis_callback
*****************************************************************************/
/*!
* \typedef void (* dvbpsi_sis_callback)(void* p_cb_data,
dvbpsi_sis_t* p_new_sis)
* \brief Callback type definition.
*/
typedef void (* dvbpsi_sis_callback)(void* p_cb_data, dvbpsi_sis_t* p_new_sis);
/*****************************************************************************
* dvbpsi_AttachSIS
*****************************************************************************/
/*!
* \fn void dvbpsi_AttachSIS(dvbpsi_demux_t * p_demux, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_sis_callback pf_callback,
void* p_cb_data)
* \brief Creation and initialization of a SIS decoder.
* \param p_demux Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, 0xFC.
* \param i_extension Table ID extension, here TS ID.
* \param pf_callback function to call back on new SIS.
* \param p_cb_data private data given in argument to the callback.
* \return 0 if everything went ok.
*/
__attribute__((deprecated))
int dvbpsi_AttachSIS(dvbpsi_decoder_t * p_psi_decoder, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_sis_callback pf_callback,
void* p_cb_data);
/*****************************************************************************
* dvbpsi_DetachSIS
*****************************************************************************/
/*!
* \fn void dvbpsi_DetachSIS(dvbpsi_demux_t * p_demux, uint8_t i_table_id,
uint16_t i_extension)
* \brief Destroy a SIS decoder.
* \param p_demux Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, 0xFC.
* \param i_extension Table ID extension, here TS ID.
* \return nothing.
*/
__attribute__((deprecated))
void dvbpsi_DetachSIS(dvbpsi_demux_t * p_demux, uint8_t i_table_id,
uint16_t i_extension);
/*****************************************************************************
* dvbpsi_InitSIS/dvbpsi_NewSIS
*****************************************************************************/
/*!
* \fn void dvbpsi_InitSIS(dvbpsi_sis_t* p_sis, uint16_t i_ts_id,
uint8_t i_version, int b_current_next, uint16_t i_network_id)
* \brief Initialize a user-allocated dvbpsi_sis_t structure.
* \param p_sis pointer to the SIS structure
* \param i_protocol_version SIS protocol version (currently 0)
* \return nothing.
*/
__attribute__((deprecated))
void dvbpsi_InitSIS(dvbpsi_sis_t *p_sis, uint8_t i_protocol_version);
/*!
* \def dvbpsi_NewSIS(p_sis, i_protocol_version)
* \brief Allocate and initialize a new dvbpsi_sis_t structure.
* \param p_sis pointer to the SIS structure
* \param i_protocol_version SIS protocol version (currently 0)
* \return nothing.
*/
#define dvbpsi_NewSIS(p_sis, i_protocol_version) \
do { \
p_sis = (dvbpsi_sis_t*)malloc(sizeof(dvbpsi_sis_t)); \
if(p_sis != NULL) \
dvbpsi_InitSIS(p_sis, i_protocol_version); \
} while(0);
/*****************************************************************************
* dvbpsi_EmptySIS/dvbpsi_DeleteSIS
*****************************************************************************/
/*!
* \fn void dvbpsi_EmptySIS(dvbpsi_sis_t* p_sis)
* \brief Clean a dvbpsi_sis_t structure.
* \param p_sis pointer to the SIS structure
* \return nothing.
*/
__attribute__((deprecated))
void dvbpsi_EmptySIS(dvbpsi_sis_t *p_sis);
/*!
* \def dvbpsi_DeleteSIS(p_sis)
* \brief Clean and free a dvbpsi_sis_t structure.
* \param p_sIt pointer to the SIS structure
* \return nothing.
*/
#define dvbpsi_DeleteSIS(p_sis) \
do { \
dvbpsi_EmptySIS(p_sis); \
free(p_sis); \
} while(0);
/*****************************************************************************
* dvbpsi_SISAddDescriptor
*****************************************************************************/
/*!
* \fn dvbpsi_descriptor_t *dvbpsi_SISAddDescriptor(dvbpsi_sis_t *p_sis,
uint8_t i_tag, uint8_t i_length,
uint8_t *p_data)
* \brief Add a descriptor in the SIS service.
* \param p_sis pointer to the SIS 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.
*/
__attribute__((deprecated))
dvbpsi_descriptor_t *dvbpsi_SISAddDescriptor( dvbpsi_sis_t *p_sis,
uint8_t i_tag, uint8_t i_length,
uint8_t *p_data);
/*****************************************************************************
* dvbpsi_GenSISSections
*****************************************************************************
* Generate SIS sections based on the dvbpsi_sis_t structure.
*****************************************************************************/
__attribute__((deprecated))
dvbpsi_psi_section_t *dvbpsi_GenSISSections(dvbpsi_sis_t * p_sis);
#ifdef __cplusplus
};
#endif
#else
#error "Multiple inclusions of sis.h"
#endif
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