/usr/include/libucsi/dvb/eit_section.h is in dvb-apps 1.1.1+rev1500-1.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | /*
* section and descriptor parser
*
* Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
*
* 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
*/
#ifndef _UCSI_DVB_EIT_SECTION_H
#define _UCSI_DVB_EIT_SECTION_H 1
#ifdef __cplusplus
extern "C"
{
#endif
#include <libucsi/section.h>
#include <libucsi/dvb/types.h>
/**
* dvb_eit_section structure.
*/
struct dvb_eit_section {
struct section_ext head;
uint16_t transport_stream_id;
uint16_t original_network_id;
uint8_t segment_last_section_number;
uint8_t last_table_id;
/* struct eit_event events[] */
} __ucsi_packed;
/**
* An entry in the events field of a dvb_eit_section.
*/
struct dvb_eit_event {
uint16_t event_id;
dvbdate_t start_time;
dvbduration_t duration;
EBIT3(uint16_t running_status : 3; ,
uint16_t free_ca_mode : 1; ,
uint16_t descriptors_loop_length:12; );
/* struct descriptor descriptors[] */
} __ucsi_packed;
/**
* Process a dvb_eit_section.
*
* @param section Pointer to a generic section_ext structure.
* @return Pointer to a dvb_eit_section, or NULL on error.
*/
struct dvb_eit_section *dvb_eit_section_codec(struct section_ext *section);
/**
* Accessor for the service_id field of an EIT.
*
* @param eit EIT pointer.
* @return The service_id.
*/
static inline uint16_t dvb_eit_section_service_id(struct dvb_eit_section *eit)
{
return eit->head.table_id_ext;
}
/**
* Iterator for the events field of a dvb_eit_section.
*
* @param eit dvb_eit_section pointer.
* @param pos Variable containing a pointer to the current dvb_eit_event.
*/
#define dvb_eit_section_events_for_each(eit, pos) \
for ((pos) = dvb_eit_section_events_first(eit); \
(pos); \
(pos) = dvb_eit_section_events_next(eit, pos))
/**
* Iterator for the descriptors field of a dvb_eit_event.
*
* @param eit dvb_eit_event pointer.
* @param pos Variable containing a pointer to the current descriptor.
*/
#define dvb_eit_event_descriptors_for_each(event, pos) \
for ((pos) = dvb_eit_event_descriptors_first(event); \
(pos); \
(pos) = dvb_eit_event_descriptors_next(event, pos))
/******************************** PRIVATE CODE ********************************/
static inline struct dvb_eit_event *
dvb_eit_section_events_first(struct dvb_eit_section *eit)
{
size_t pos = sizeof(struct dvb_eit_section);
if (pos >= section_ext_length(&eit->head))
return NULL;
return (struct dvb_eit_event*) ((uint8_t *) eit + pos);
}
static inline struct dvb_eit_event *
dvb_eit_section_events_next(struct dvb_eit_section *eit,
struct dvb_eit_event *pos)
{
uint8_t *end = (uint8_t*) eit + section_ext_length(&eit->head);
uint8_t *next = (uint8_t *) pos +
sizeof(struct dvb_eit_event) +
pos->descriptors_loop_length;
if (next >= end)
return NULL;
return (struct dvb_eit_event *) next;
}
static inline struct descriptor *
dvb_eit_event_descriptors_first(struct dvb_eit_event * t)
{
if (t->descriptors_loop_length == 0)
return NULL;
return (struct descriptor *)
((uint8_t *) t + sizeof(struct dvb_eit_event));
}
static inline struct descriptor *
dvb_eit_event_descriptors_next(struct dvb_eit_event * t,
struct descriptor* pos)
{
return next_descriptor((uint8_t*) t + sizeof(struct dvb_eit_event),
t->descriptors_loop_length,
pos);
}
#ifdef __cplusplus
}
#endif
#endif
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