libdvbv5: lib/include/libdvbv5/desc_ca.h Source File

libdvbv5 1.32.0 Library to work with Digital TV devices on Linux

desc_ca.h
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1/*
2 * Copyright (c) 2013 - Andre Roth <neolynx@gmail.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation version 2.1 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16 * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
17 *
18 * Described at ETSI EN 300 468 V1.11.1 (2010-04)
19 */
20
37
38#ifndef _CA_H
39#define _CA_H
40
41#include <libdvbv5/descriptors.h>
42
56 struct dvb_desc_ca {
57 uint8_t type;
58 uint8_t length;
59 struct dvb_desc *next;
60
61 uint16_t ca_id;
62 union {
63 uint16_t bitfield1;
64 struct {
65 uint16_t ca_pid:13;
66 uint16_t reserved:3;
67 } __attribute__((packed));
68 } __attribute__((packed));
69
70 uint8_t *privdata;
71 uint8_t privdata_len;
72} __attribute__((packed));
73
74struct dvb_v5_fe_parms;
75
77#define dvb_desc_ca_field_first ca_id
79#define dvb_desc_ca_field_last privdata
80
81#ifdef __cplusplus
82extern "C" {
83#endif
84
100 int dvb_desc_ca_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf,
101 struct dvb_desc *desc);
102
110 void dvb_desc_ca_print(struct dvb_v5_fe_parms *parms,
111 const struct dvb_desc *desc);
112
119 void dvb_desc_ca_free(struct dvb_desc *desc);
120
121#ifdef __cplusplus
122}
123#endif
124
125#endif
descriptors.h
Provides a way to handle MPEG-TS descriptors found on Digital TV streams.
dvb_desc_ca_print
void dvb_desc_ca_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
Prints the content of the CA descriptor.
dvb_desc_ca_init
int dvb_desc_ca_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
Initializes and parses the CA descriptor.
dvb_desc_ca_free
void dvb_desc_ca_free(struct dvb_desc *desc)
Frees all data allocated by the CA descriptor.
dvb_desc_ca
Contains the private data for Conditional Access.
Definition desc_ca.h:56
dvb_desc_ca::length
uint8_t length
Definition desc_ca.h:58
dvb_desc_ca::type
uint8_t type
Definition desc_ca.h:57
dvb_desc_ca::privdata
uint8_t * privdata
Definition desc_ca.h:70
dvb_desc_ca::ca_id
uint16_t ca_id
Definition desc_ca.h:61
dvb_desc_ca::next
struct dvb_desc * next
Definition desc_ca.h:59
dvb_desc_ca::reserved
uint16_t reserved
Definition desc_ca.h:66
dvb_desc_ca::ca_pid
uint16_t ca_pid
Definition desc_ca.h:65
dvb_desc_ca::bitfield1
uint16_t bitfield1
Definition desc_ca.h:63
dvb_desc_ca::privdata_len
uint8_t privdata_len
Definition desc_ca.h:71
dvb_desc
Linked list containing the several descriptors found on a MPEG-TS table.
Definition descriptors.h:117
dvb_v5_fe_parms
Keeps data needed to handle the DVB frontend.
Definition dvb-fe.h:117