/usr/include/dvbpsi/atsc_vct.h is in libdvbpsi-dev 1.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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
vct.h
Decode PSIP Virtual Channel Table.
*/
/*!
* \file atsc_vct.h
* \author Adam Charrett
* \brief Decode PSIP Virtual Channel Table. (ATSC VCT).
*/
#ifndef _ATSC_VCT_H
#define _ATSC_VCT_H
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_atsc_vct_channel_t
*****************************************************************************/
/*!
* \struct dvbpsi_atsc_vct_channel_s
* \brief VCT channel structure.
*
* This structure is used to store a decoded VCT channel information.
*/
/*!
* \typedef struct dvbpsi_atsc_vct_channel_s dvbpsi_atsc_vct_channel_t
* \brief dvbpsi_atsc_vct_channel_t type definition.
*/
typedef struct dvbpsi_atsc_vct_channel_s
{
uint8_t i_short_name[14];/*!< Channel name (7*UTF16-BE)*/
uint16_t i_major_number; /*!< Channel major number */
uint16_t i_minor_number; /*!< Channel minor number */
uint8_t i_modulation; /*!< Modulation mode. */
uint32_t i_carrier_freq; /*!< Carrier center frequency. */
uint16_t i_channel_tsid; /*!< Channel Transport stream id. */
uint16_t i_program_number;/*!< Channel MPEG program number. */
uint8_t i_etm_location; /*!< Extended Text Message location. */
bool b_access_controlled; /*!< Whether the channel is scrambled. */
bool b_path_select; /*!< Path selection, only used by CVCT. */
bool b_out_of_band; /*!< Whether the channel is carried on the out-of-band
physical transmission channel, only used by CVCT. */
bool b_hidden; /*!< Not accessible directly by the user. */
bool b_hide_guide; /*!< Whether the channel should not be displayed in the guide. */
uint8_t i_service_type; /*!< Channel type. */
uint16_t i_source_id; /*!< Programming source associated with the channel.*/
dvbpsi_descriptor_t *p_first_descriptor; /*!< First descriptor. */
struct dvbpsi_atsc_vct_channel_s *p_next; /*!< next element of the list */
} dvbpsi_atsc_vct_channel_t;
/*****************************************************************************
* dvbpsi_atsc_vct_t
*****************************************************************************/
/*!
* \struct dvbpsi_atsc_vct_s
* \brief VCT structure.
*
* This structure is used to store a decoded VCT.
*/
/*!
* \typedef struct dvbpsi_atsc_vct_s dvbpsi_atsc_vct_t
* \brief dvbpsi_atsc_vct_t type definition.
*/
typedef struct dvbpsi_atsc_vct_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 */
uint8_t i_protocol; /*!< PSIP Protocol version */
bool b_cable_vct; /*!< 1 if this is a cable VCT, 0 if it is a Terrestrial VCT. */
dvbpsi_descriptor_t *p_first_descriptor; /*!< First descriptor. */
dvbpsi_atsc_vct_channel_t *p_first_channel; /*!< First channel information structure. */
} dvbpsi_atsc_vct_t;
/*****************************************************************************
* dvbpsi_vct_callback
*****************************************************************************/
/*!
* \typedef void (* dvbpsi_atsc_vct_callback)(void* p_cb_data,
* dvbpsi_atsc_vct_t* p_new_vct)
* \brief Callback type definition.
*/
typedef void (* dvbpsi_atsc_vct_callback)(void* p_cb_data, dvbpsi_atsc_vct_t* p_new_vct);
/*****************************************************************************
* dvbpsi_atsc_AttachVCT
*****************************************************************************/
/*!
* \fn bool dvbpsi_atsc_AttachVCT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_atsc_vct_callback pf_vct_callback,
void* p_cb_data)
* \brief Creation and initialization of a VCT decoder.
* \param p_dvbpsi dvbpsi handle to Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, 0xC8 or 0xC9.
* \param i_extension Table ID extension, here TS ID.
* \param pf_vct_callback function to call back on new VCT.
* \param p_cb_data private data given in argument to the callback.
* \return true if everything went ok, else false.
*/
bool dvbpsi_atsc_AttachVCT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_atsc_vct_callback pf_vct_callback,
void* p_cb_data);
/*****************************************************************************
* dvbpsi_DetachVCT
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_DetachVCT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
* uint16_t i_extension)
*
* \brief Destroy a VCT decoder.
* \param p_dvbpsi dvbpsi handle to Subtable demultiplexor to which the decoder is attached.
* \param i_table_id Table ID, 0xC8 or 0xC9.
* \param i_extension Table ID extension, here TS ID.
* \return nothing.
*/
void dvbpsi_atsc_DetachVCT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension);
/*****************************************************************************
* dvbpsi_atsc_InitVCT
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_InitVCT(dvbpsi_atsc_vct_t* p_vct, uint8_t i_table_id,
uint16_t i_extension, uint8_t i_protocol, bool b_cable_vct,
uint8_t i_version, bool b_current_next)
* \brief Initialize a user-allocated dvbpsi_atsc_vct_t structure.
* \param p_vct pointer to the VCT structure
* \param i_table_id Table ID, 0xC8 or 0xC9.
* \param i_extension Table ID extension, here TS ID.
* \param i_protocol PSIP Protocol version.
* \param b_cable_vct Whether this is CVCT or a TVCT.
* \param i_version VCT version
* \param b_current_next current next indicator
* \return nothing.
*/
void dvbpsi_atsc_InitVCT(dvbpsi_atsc_vct_t* p_vct, uint8_t i_table_id,
uint16_t i_extension, uint8_t i_protocol, bool b_cable_vct,
uint8_t i_version, bool b_current_next);
/*****************************************************************************
* dvbpsi_atsc_NewVCT
*****************************************************************************/
/*!
* \fn dvbpsi_atsc_vct_t *dvbpsi_atsc_NewVCT(uint8_t i_table_id, uint16_t i_extension,
* uint8_t i_protocol, bool b_cable_vct, uint8_t i_version, bool b_current_next);
*
* \brief Allocate and initialize a new dvbpsi_vct_t structure.
* \param i_table_id Table ID, 0xC8 or 0xC9.
* \param i_extension Table ID extension, here TS ID.
* \param i_protocol PSIP Protocol version.
* \param b_cable_vct Whether this is CVCT or a TVCT.
* \param i_version VCT version
* \param b_current_next current next indicator
* \return p_vct pointer to the VCT structure
*/
dvbpsi_atsc_vct_t *dvbpsi_atsc_NewVCT(uint8_t i_table_id, uint16_t i_extension,
uint8_t i_protocol, bool b_cable_vct, uint8_t i_version,
bool b_current_next);
/*****************************************************************************
* dvbpsi_atsc_EmptyVCT
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_EmptyVCT(dvbpsi_atsc_vct_t* p_vct)
* \brief Clean a dvbpsi_vct_t structure.
* \param p_vct pointer to the VCT structure
* \return nothing.
*/
void dvbpsi_atsc_EmptyVCT(dvbpsi_atsc_vct_t *p_vct);
/*****************************************************************************
* dvbpsi_atsc_DeleteVCT
*****************************************************************************/
/*!
* \fn void dvbpsi_atsc_DeleteVCT(dvbpsi_atsc_vct_t *p_vct)
* \brief Clean and free a dvbpsi_vct_t structure.
* \param p_vct pointer to the VCT structure
* \return nothing.
*/
void dvbpsi_atsc_DeleteVCT(dvbpsi_atsc_vct_t *p_vct);
#ifdef __cplusplus
};
#endif
#endif
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