libdvbv5  1.11.0
Library to work with Digital TV devices on Linux
desc_hierarchy.h
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1 /*
2  * Copyright (c) 2011-2012 - Mauro Carvalho Chehab
3  * Copyright (c) 2012 - Andre Roth <neolynx@gmail.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU Lesser General Public License as published by
7  * the Free Software Foundation version 2.1 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 Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser 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  */
20 
39 #ifndef _HIERARCHY_H
40 #define _HIERARCHY_H
41 
42 #include <libdvbv5/descriptors.h>
43 
58  uint8_t type;
59  uint8_t length;
60  struct dvb_desc *next;
61 
62  uint8_t hierarchy_type:4;
63  uint8_t reserved:4;
64 
65  uint8_t layer:6;
66  uint8_t reserved2:2;
67 
68  uint8_t embedded_layer:6;
69  uint8_t reserved3:2;
70 
71  uint8_t channel:6;
72  uint8_t reserved4:2;
73 } __attribute__((packed));
74 
75 struct dvb_v5_fe_parms;
76 
77 #ifdef __cplusplus
78 extern "C" {
79 #endif
80 
97 int dvb_desc_hierarchy_init (struct dvb_v5_fe_parms *parms,
98  const uint8_t *buf, struct dvb_desc *desc);
99 
107 void dvb_desc_hierarchy_print(struct dvb_v5_fe_parms *parms,
108  const struct dvb_desc *desc);
109 
110 #ifdef __cplusplus
111 }
112 #endif
113 
114 #endif
int dvb_desc_hierarchy_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
Initializes and parses the hierarchy descriptor.
struct dvb_desc * next
void dvb_desc_hierarchy_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
Prints the content of the hierarchy descriptor.
Structure containing the hierarchy descriptor.
Keeps data needed to handle the DVB frontend.
Definition: dvb-fe.h:117
Linked list containing the several descriptors found on a MPEG-TS table.
Definition: descriptors.h:117
Provides a way to handle MPEG-TS descriptors found on Digital TV streams.