libdvbv5  1.6.0
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
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation version 2
8  * of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
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20  */
21 
40 #ifndef _HIERARCHY_H
41 #define _HIERARCHY_H
42 
43 #include <libdvbv5/descriptors.h>
44 
59  uint8_t type;
60  uint8_t length;
61  struct dvb_desc *next;
62 
63  uint8_t hierarchy_type:4;
64  uint8_t reserved:4;
65 
66  uint8_t layer:6;
67  uint8_t reserved2:2;
68 
69  uint8_t embedded_layer:6;
70  uint8_t reserved3:2;
71 
72  uint8_t channel:6;
73  uint8_t reserved4:2;
74 } __attribute__((packed));
75 
76 struct dvb_v5_fe_parms;
77 
78 #ifdef __cplusplus
79 extern "C" {
80 #endif
81 
98 int dvb_desc_hierarchy_init (struct dvb_v5_fe_parms *parms,
99  const uint8_t *buf, struct dvb_desc *desc);
100 
108 void dvb_desc_hierarchy_print(struct dvb_v5_fe_parms *parms,
109  const struct dvb_desc *desc);
110 
111 #ifdef __cplusplus
112 }
113 #endif
114 
115 #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:118
Linked list containing the several descriptors found on a MPEG-TS table.
Definition: descriptors.h:118
Provides a way to handle MPEG-TS descriptors found on Digital TV streams.