libdvbv5  1.20.0
Library to work with Digital TV devices on Linux
desc_t2_delivery.h
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1 /*
2  * Copyright (c) 2013-2014 - Mauro Carvalho Chehab <mchehab@kernel.org>
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  * Based on ETSI EN 300 468 V1.11.1 (2010-04)
19  */
20 
36 #ifndef _T2_DELIVERY_H
37 #define _T2_DELIVERY_H
38 
39 #include <libdvbv5/descriptors.h>
40 
57  uint16_t transposer_frequency; // Should be 32 bits, instead
58 } __attribute__((packed));
59 
60 
72 } __attribute__((packed));
73 
74 
87  uint16_t cell_id;
88  int num_freqs;
89  uint32_t *centre_frequency;
90  uint8_t subcel_length;
92 } __attribute__((packed));
93 
120  /* extended descriptor */
121 
122  uint8_t plp_id;
123  uint16_t system_id;
124  union {
125  uint16_t bitfield;
126  struct {
127  uint16_t tfs_flag:1;
129  uint16_t transmission_mode:3;
130  uint16_t guard_interval:3;
131  uint16_t reserved:2;
132  uint16_t bandwidth:4;
133  uint16_t SISO_MISO:2;
134  } __attribute__((packed));
135  } __attribute__((packed));
136 
137  uint32_t *centre_frequency;
139 
140  /* Unused, as the definitions here are incomplete. */
143 
144  /* Since version 1.13 */
145  unsigned int num_cell;
147 
148 } __attribute__((packed));
149 
150 struct dvb_v5_fe_parms;
151 
152 #ifdef __cplusplus
153 extern "C" {
154 #endif
155 
173  const uint8_t *buf,
174  struct dvb_extension_descriptor *ext,
175  void *desc);
176 
186  const struct dvb_extension_descriptor *ext,
187  const void *desc);
188 
195 void dvb_desc_t2_delivery_free(const void *desc);
196 
200 extern const unsigned dvbt2_bw[];
201 
206 extern const uint32_t dvbt2_interval[];
207 
212 extern const unsigned dvbt2_transmission_mode[];
213 
218 extern const char *siso_miso[4];
219 
220 #ifdef __cplusplus
221 }
222 #endif
223 
224 #endif
Structure to describe transponder subcell extension and frequencies.
const char * siso_miso[4]
converts from internal representation to string the SISO_MISO field of dvb_desc_t2_delivery:SISO_MISO...
Structure to describe transponder cells.
Structure containing the T2 delivery system descriptor.
Structure containing the extended descriptors.
Structure to describe transponder subcell extension and frequencies.
const uint32_t dvbt2_interval[]
converts from internal representation into enum fe_guard_interval, as defined at DVBv5 API...
const unsigned dvbt2_transmission_mode[]
converts from the descriptor&#39;s transmission mode into enum fe_transmit_mode, as defined by DVBv5 API...
struct dvb_desc_t2_delivery_subcell_old * subcell
const unsigned dvbt2_bw[]
converts from internal representation into bandwidth in Hz
Keeps data needed to handle the DVB frontend.
Definition: dvb-fe.h:117
void dvb_desc_t2_delivery_free(const void *desc)
Frees all data allocated by the T2 delivery system descriptor.
int dvb_desc_t2_delivery_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_extension_descriptor *ext, void *desc)
Initializes and parses the T2 delivery system descriptor.
struct dvb_desc_t2_delivery_subcell * subcel
void dvb_desc_t2_delivery_print(struct dvb_v5_fe_parms *parms, const struct dvb_extension_descriptor *ext, const void *desc)
Prints the content of the T2 delivery system descriptor.
struct dvb_desc_t2_delivery_cell * cell
Provides a way to handle MPEG-TS descriptors found on Digital TV streams.