/usr/include/dvbpsi/dr_56.h is in libdvbpsi-dev 1.2.0-1.
This file is owned by root:root, with mode 0o644.
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* dr_56.h
* Copyright (C) 2004-2010 VideoLAN
* $Id: dr_56.h 93 2004-10-19 19:17:49Z massiot $
*
* Authors: Derk-Jan Hartman <hartman at videolan dot 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 <dr_56.h>
* \author Derk-Jan Hartman <hartman@videolan.org>
* \brief EBU Teletext descriptor parsing.
*
* DVB EBU Teletext descriptor parsing, according to ETSI EN 300 468
* version 1.7.1 section 6.2.42 and 6.2.47.
*
* NOTE: this descriptor is known by tag value 0x56 AND 0x46
*/
#ifndef _DVBPSI_DR_56_H_
#define _DVBPSI_DR_56_H_
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_teletext_t
*****************************************************************************/
/*!
* \struct dvbpsi_teletextpage_s
* \brief one teletext page structure.
*
* This structure is used since teletext_descriptor will contain several
* pages
*/
/*!
* \typedef struct dvbpsi_teletextpage_s dvbpsi_teletextpage_t
* \brief dvbpsi_teletextpage_t type definition.
*/
typedef struct dvbpsi_teletextpage_s
{
uint8_t i_iso6392_language_code[3]; /*!< ISO 6392 Language codes (24 bits) */
uint8_t i_teletext_type; /*!< teletext type (5 bits) */
uint8_t i_teletext_magazine_number; /*!< teletext magazine number (3 bits) */
uint8_t i_teletext_page_number; /*!< teletext page number (8 bits) */
} dvbpsi_teletextpage_t;
/*!
* \def DVBPSI_TELETEXT_DR_MAX
* \brief Maximum number of dvbpsi_teletextpage_t entries present in
* @see dvbpsi_teletext_dr_t
*/
#define DVBPSI_TELETEXT_DR_MAX 64
/*****************************************************************************
* dvbpsi_teletext_dr_t
*****************************************************************************/
/*!
* \struct dvbpsi_teletext_dr_s
* \brief "teletext" descriptor structure.
*
* This structure is used to store a decoded "teletext"
* descriptor. (ETSI EN 300 468 version 1.7.1 section 6.2.42 and 6.2.47).
*/
/*!
* \typedef struct dvbpsi_teletext_dr_s dvbpsi_teletext_dr_t
* \brief dvbpsi_teletext_dr_t type definition.
*/
typedef struct dvbpsi_teletext_dr_s
{
uint8_t i_pages_number; /*!< number of pages */
dvbpsi_teletextpage_t p_pages[DVBPSI_TELETEXT_DR_MAX]; /*!< teletext pages */
} dvbpsi_teletext_dr_t;
/*****************************************************************************
* dvbpsi_DecodeTeletextDataDr
*****************************************************************************/
/*!
* \fn dvbpsi_teletext_dr_t * dvbpsi_DecodeTeletextDr(
dvbpsi_descriptor_t * p_descriptor)
* \brief "teletext" descriptor decoder.
* \param p_descriptor pointer to the descriptor structure
* \return a pointer to a new "teletext" descriptor structure
* which contains the decoded data.
*/
dvbpsi_teletext_dr_t* dvbpsi_DecodeTeletextDr(
dvbpsi_descriptor_t * p_descriptor);
/*****************************************************************************
* dvbpsi_GenTeletextDr
*****************************************************************************/
/*!
* \fn dvbpsi_descriptor_t * dvbpsi_GenTeletextDr(
dvbpsi_teletext_dr_t * p_decoded, bool b_duplicate)
* \brief "teletext" descriptor generator.
* \param p_decoded pointer to a decoded "teletext" descriptor
* structure
* \param b_duplicate if true then duplicate the p_decoded structure into
* the descriptor
* \return a pointer to a new descriptor structure which contains encoded data.
*/
dvbpsi_descriptor_t * dvbpsi_GenTeletextDr(
dvbpsi_teletext_dr_t * p_decoded,
bool b_duplicate);
#ifdef __cplusplus
};
#endif
#else
#error "Multiple inclusions of dr_56.h"
#endif
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