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

libdvbv5 1.32.0 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
38
39#ifndef _HIERARCHY_H
40#define _HIERARCHY_H
41
42#include <libdvbv5/descriptors.h>
43
57 struct dvb_desc_hierarchy {
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
75struct dvb_v5_fe_parms;
76
77#ifdef __cplusplus
78extern "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
descriptors.h
Provides a way to handle MPEG-TS descriptors found on Digital TV streams.
dvb_desc_hierarchy_print
void dvb_desc_hierarchy_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
Prints the content of the hierarchy descriptor.
dvb_desc_hierarchy_init
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.
dvb_desc_hierarchy
Structure containing the hierarchy descriptor.
Definition desc_hierarchy.h:57
dvb_desc_hierarchy::reserved3
uint8_t reserved3
Definition desc_hierarchy.h:69
dvb_desc_hierarchy::layer
uint8_t layer
Definition desc_hierarchy.h:65
dvb_desc_hierarchy::reserved2
uint8_t reserved2
Definition desc_hierarchy.h:66
dvb_desc_hierarchy::embedded_layer
uint8_t embedded_layer
Definition desc_hierarchy.h:68
dvb_desc_hierarchy::next
struct dvb_desc * next
Definition desc_hierarchy.h:60
dvb_desc_hierarchy::reserved4
uint8_t reserved4
Definition desc_hierarchy.h:72
dvb_desc_hierarchy::channel
uint8_t channel
Definition desc_hierarchy.h:71
dvb_desc_hierarchy::type
uint8_t type
Definition desc_hierarchy.h:58
dvb_desc_hierarchy::length
uint8_t length
Definition desc_hierarchy.h:59
dvb_desc_hierarchy::hierarchy_type
uint8_t hierarchy_type
Definition desc_hierarchy.h:62
dvb_desc_hierarchy::reserved
uint8_t reserved
Definition desc_hierarchy.h:63
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