libdvbv5  1.20.0
Library to work with Digital TV devices on Linux
pmt.h
Go to the documentation of this file.
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 _PMT_H
40 #define _PMT_H
41 
42 #include <stdint.h>
43 #include <unistd.h> /* ssize_t */
44 
45 #include <libdvbv5/header.h>
46 
52 #define DVB_TABLE_PMT 0x02
53 
107  stream_video = 0x01,
109  stream_audio = 0x03,
113  stream_mheg = 0x07,
114  stream_h222 = 0x08,
141 };
142 
147 extern const char *pmt_stream_name[];
148 
173  uint8_t type;
174  union {
175  uint16_t bitfield;
176  struct {
177  uint16_t elementary_pid:13;
178  uint16_t reserved:3;
179  } __attribute__((packed));
180  } __attribute__((packed));
181  union {
182  uint16_t bitfield2;
183  struct {
184  uint16_t desc_length:10;
185  uint16_t zero:2;
186  uint16_t reserved2:4;
187  } __attribute__((packed));
188  } __attribute__((packed));
191 } __attribute__((packed));
192 
215  struct dvb_table_header header;
216  union {
217  uint16_t bitfield;
218  struct {
219  uint16_t pcr_pid:13;
220  uint16_t reserved2:3;
221  } __attribute__((packed));
222  } __attribute__((packed));
223 
224  union {
225  uint16_t bitfield2;
226  struct {
227  uint16_t desc_length:10;
228  uint16_t zero3:2;
229  uint16_t reserved3:4;
230  } __attribute__((packed));
231  } __attribute__((packed));
234 } __attribute__((packed));
235 
237 #define dvb_pmt_field_first header
238 
240 #define dvb_pmt_field_last descriptor
241 
249 #define dvb_pmt_stream_foreach(_stream, _pmt) \
250  if (_pmt && _pmt->stream) \
251  for (struct dvb_table_pmt_stream *_stream = _pmt->stream; _stream; _stream = _stream->next) \
252 
253 struct dvb_v5_fe_parms;
254 
255 #ifdef __cplusplus
256 extern "C" {
257 #endif
258 
275 ssize_t dvb_table_pmt_init (struct dvb_v5_fe_parms *parms, const uint8_t *buf,
276  ssize_t buflen, struct dvb_table_pmt **table);
277 
284 void dvb_table_pmt_free(struct dvb_table_pmt *table);
285 
293 void dvb_table_pmt_print(struct dvb_v5_fe_parms *parms,
294  const struct dvb_table_pmt *table);
295 
296 #ifdef __cplusplus
297 }
298 #endif
299 
300 #endif
ITU-T Rec.
Definition: pmt.h:114
struct dvb_desc * descriptor
Definition: pmt.h:189
ITU-T Rec.
Definition: pmt.h:120
Header of a MPEG-TS table.
Definition: header.h:103
uint16_t reserved3
Definition: pmt.h:229
uint16_t reserved2
Definition: pmt.h:220
Provides the MPEG TS table headers.
uint16_t desc_length
Definition: pmt.h:227
uint16_t elementary_pid
Definition: pmt.h:177
uint16_t reserved2
Definition: pmt.h:186
void dvb_table_pmt_print(struct dvb_v5_fe_parms *parms, const struct dvb_table_pmt *table)
Prints the content of the PAT table.
ITU-T Rec.
Definition: pmt.h:112
ISO/IEC 11172 Video.
Definition: pmt.h:107
ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in PES packets.
Definition: pmt.h:124
uint16_t bitfield
Definition: pmt.h:175
ISO/IEC 13818-6 type B.
Definition: pmt.h:117
uint16_t bitfield2
Definition: pmt.h:182
MPEG-TS PMT stream table.
Definition: pmt.h:172
ISO/IEC 11172 Audio.
Definition: pmt.h:109
ITU-T Rec.
Definition: pmt.h:108
uint16_t bitfield2
Definition: pmt.h:225
ISO/IEC 14496-2 Visual.
Definition: pmt.h:122
ISO/IEC 13818-6 type D.
Definition: pmt.h:119
ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in ISO/IEC14496_sections.
Definition: pmt.h:125
const char * pmt_stream_name[]
Converts from enum dvb_streams into a string.
Keeps data needed to handle the DVB frontend.
Definition: dvb-fe.h:117
ISO/IEC 13818-3 Audio.
Definition: pmt.h:110
MPEG-TS PMT table.
Definition: pmt.h:214
ISO/IEC 13522 MHEG.
Definition: pmt.h:113
ISO/IEC 13818-6 type A.
Definition: pmt.h:116
uint8_t type
Definition: pmt.h:173
ISO/IEC 13818-7 Audio with ADTS transport syntax.
Definition: pmt.h:121
uint16_t reserved
Definition: pmt.h:178
Linked list containing the several descriptors found on a MPEG-TS table.
Definition: descriptors.h:117
ITU-T Rec.
Definition: pmt.h:111
ISO/IEC 13818-6 Synchronized Download Protocol.
Definition: pmt.h:126
void dvb_table_pmt_free(struct dvb_table_pmt *table)
Frees all data allocated by the PMT table parser.
uint16_t desc_length
Definition: pmt.h:184
ISO/IEC 13818-6 type C.
Definition: pmt.h:118
struct dvb_desc * descriptor
Definition: pmt.h:232
ISO/IEC 14496-3 Audio with the LATM transport syntax as defined in ISO/IEC 14496-3 / AMD 1...
Definition: pmt.h:123
uint16_t zero3
Definition: pmt.h:228
struct dvb_table_pmt_stream * next
Definition: pmt.h:190
struct dvb_table_pmt_stream * stream
Definition: pmt.h:233
dvb_streams
Add support for MPEG-TS Stream types.
Definition: pmt.h:106
uint16_t pcr_pid
Definition: pmt.h:219
uint16_t bitfield
Definition: pmt.h:217
uint16_t zero
Definition: pmt.h:185
ssize_t dvb_table_pmt_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, ssize_t buflen, struct dvb_table_pmt **table)
Initializes and parses PMT table.
ITU-T Rec.
Definition: pmt.h:115