/usr/include/libdvbv5/header.h is in libdvbv5-dev 1.10.0-1.
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) 2011-2012 - Mauro Carvalho Chehab
* Copyright (c) 2012 - Andre Roth <neolynx@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation version 2
* of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* Described at ISO/IEC 13818-1
*/
#ifndef _HEADER_H
#define _HEADER_H
#include <stdint.h>
#include <unistd.h> /* ssize_t */
/**
* @file header.h
* @ingroup dvb_table
* @brief Provides the MPEG TS table headers
* @copyright GNU General Public License version 2 (GPLv2)
* @author Mauro Carvalho Chehab
* @author Andre Roth
*
* @par Bug Report
* Please submit bug reports and patches to linux-media@vger.kernel.org
*/
/**
* @struct dvb_ts_packet_header
* @brief Header of a MPEG-TS transport packet
* @ingroup dvb_table
*
* @param sync_byte sync byte
* @param pid Program ID
* @param transport_priority transport priority
* @param payload_unit_start_indicator payload unit start indicator
* @param transport_error_indicator transport error indicator
* @param continuity_counter continuity counter
* @param adaptation_field_control adaptation field control
* @param transport_scrambling_control transport scrambling control
* @param adaptation_field_length adaptation field length
*
* @see http://www.etherguidesystems.com/Help/SDOs/MPEG/Semantics/MPEG-2/transport_packet.aspx
*/
struct dvb_ts_packet_header {
uint8_t sync_byte;
union {
uint16_t bitfield;
struct {
uint16_t pid:13;
uint16_t transport_priority:1;
uint16_t payload_unit_start_indicator:1;
uint16_t transport_error_indicator:1;
} __attribute__((packed));
} __attribute__((packed));
uint8_t continuity_counter:4;
uint8_t adaptation_field_control:2;
uint8_t transport_scrambling_control:2;
/* Only if adaptation_field_control > 1 */
uint8_t adaptation_field_length;
} __attribute__((packed));
/**
* @struct dvb_table_header
* @brief Header of a MPEG-TS table
* @ingroup dvb_table
*
* @param table_id table id
* @param section_length section length
* @param syntax syntax
* @param id TS ID
* @param current_next current next
* @param version version
* @param section_id section number
* @param last_section last section number
*
* All MPEG-TS tables start with this header.
*/
struct dvb_table_header {
uint8_t table_id;
union {
uint16_t bitfield;
struct {
uint16_t section_length:12;
uint8_t one:2;
uint8_t zero:1;
uint8_t syntax:1;
} __attribute__((packed));
} __attribute__((packed));
uint16_t id; /* TS ID */
uint8_t current_next:1;
uint8_t version:5;
uint8_t one2:2;
uint8_t section_id; /* section_number */
uint8_t last_section; /* last_section_number */
} __attribute__((packed));
struct dvb_v5_fe_parms;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initializes and parses MPEG-TS table header
* @ingroup dvb_table
*
* @param header pointer to struct dvb_table_header to be parsed
*/
void dvb_table_header_init (struct dvb_table_header *header);
/**
* @brief Prints the content of the MPEG-TS table header
* @ingroup dvb_table
*
* @param parms struct dvb_v5_fe_parms pointer to the opened device
* @param header pointer to struct dvb_table_header to be printed
*/
void dvb_table_header_print(struct dvb_v5_fe_parms *parms,
const struct dvb_table_header *header);
#ifdef __cplusplus
}
#endif
#endif
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