libdvbv5  1.6.3
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
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation version 2
7  * of the License.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18  *
19  * Described at ETSI EN 300 468 V1.11.1 (2010-04)
20  */
21 
39 #ifndef _CA_H
40 #define _CA_H
41 
42 #include <libdvbv5/descriptors.h>
43 
57 struct dvb_desc_ca {
58  uint8_t type;
59  uint8_t length;
60  struct dvb_desc *next;
61 
62  uint16_t ca_id;
63  union {
64  uint16_t bitfield1;
65  struct {
66  uint16_t ca_pid:13;
67  uint16_t reserved:3;
68  } __attribute__((packed));
69  } __attribute__((packed));
70 
71  uint8_t *privdata;
72  uint8_t privdata_len;
73 } __attribute__((packed));
74 
75 struct dvb_v5_fe_parms;
76 
78 #define dvb_desc_ca_field_first ca_id
79 
80 #define dvb_desc_ca_field_last privdata
81 
82 #ifdef __cplusplus
83 extern "C" {
84 #endif
85 
101 int dvb_desc_ca_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf,
102  struct dvb_desc *desc);
103 
111 void dvb_desc_ca_print(struct dvb_v5_fe_parms *parms,
112  const struct dvb_desc *desc);
113 
120 void dvb_desc_ca_free(struct dvb_desc *desc);
121 
122 #ifdef __cplusplus
123 }
124 #endif
125 
126 #endif
uint8_t length
Definition: desc_ca.h:59
uint16_t reserved
Definition: desc_ca.h:67
Contains the private data for Conditional Access.
Definition: desc_ca.h:57
uint16_t ca_id
Definition: desc_ca.h:62
uint8_t type
Definition: desc_ca.h:58
uint8_t * privdata
Definition: desc_ca.h:71
struct dvb_desc * next
Definition: desc_ca.h:60
Keeps data needed to handle the DVB frontend.
Definition: dvb-fe.h:118
uint16_t ca_pid
Definition: desc_ca.h:66
void dvb_desc_ca_free(struct dvb_desc *desc)
Frees all data allocated by the CA descriptor.
Linked list containing the several descriptors found on a MPEG-TS table.
Definition: descriptors.h:118
uint8_t privdata_len
Definition: desc_ca.h:72
uint16_t bitfield1
Definition: desc_ca.h:64
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.
Provides a way to handle MPEG-TS descriptors found on Digital TV streams.
void dvb_desc_ca_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
Prints the content of the CA descriptor.