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 
294  const struct dvb_table_pmt *table);
295 
296 #ifdef __cplusplus
297 }
298 #endif
299 
300 #endif
dvb_table_pmt::reserved2
uint16_t reserved2
Definition: pmt.h:220
stream_private_data
@ stream_private_data
ITU-T Rec. H.222.0 | ISO/IEC 13818-1 PES packets containing private data.
Definition: pmt.h:112
pmt_stream_name
const char * pmt_stream_name[]
Converts from enum dvb_streams into a string.
dvb_table_pmt::stream
struct dvb_table_pmt_stream * stream
Definition: pmt.h:233
dvb_table_pmt_stream::bitfield2
uint16_t bitfield2
Definition: pmt.h:182
stream_audio_sdds
@ stream_audio_sdds
Definition: pmt.h:134
dvb_table_pmt_print
void dvb_table_pmt_print(struct dvb_v5_fe_parms *parms, const struct dvb_table_pmt *table)
Prints the content of the PAT table.
stream_video_h262
@ stream_video_h262
ITU-T Rec. H.262 | ISO/IEC 13818-2 Video or ISO/IEC 11172-2 constrained parameter video stream.
Definition: pmt.h:108
stream_video_cavs
@ stream_video_cavs
Definition: pmt.h:130
stream_private_sections
@ stream_private_sections
ITU-T Rec. H.222.0 | ISO/IEC 13818-1 private_sections.
Definition: pmt.h:111
stream_13818_6_A
@ stream_13818_6_A
ISO/IEC 13818-6 type A.
Definition: pmt.h:116
stream_audio_dts
@ stream_audio_dts
Definition: pmt.h:137
dvb_table_pmt::desc_length
uint16_t desc_length
Definition: pmt.h:227
stream_h222_aux
@ stream_h222_aux
ITU-T Rec. H.222.0 | ISO/IEC 13818-1 auxiliary.
Definition: pmt.h:120
stream_audio_a52_vls
@ stream_audio_a52_vls
Definition: pmt.h:138
dvb_table_pmt::reserved3
uint16_t reserved3
Definition: pmt.h:229
stream_audio_e_ac3
@ stream_audio_e_ac3
Definition: pmt.h:136
stream_audio
@ stream_audio
ISO/IEC 11172 Audio.
Definition: pmt.h:109
stream_audio_adts
@ stream_audio_adts
ISO/IEC 13818-7 Audio with ADTS transport syntax.
Definition: pmt.h:121
dvb_table_pmt_stream::reserved2
uint16_t reserved2
Definition: pmt.h:186
stream_h222_1
@ stream_h222_1
ITU-T Rec. H.222.1.
Definition: pmt.h:115
stream_audio_a52
@ stream_audio_a52
Definition: pmt.h:132
dvb_table_pmt_init
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.
stream_14496_1_iso
@ stream_14496_1_iso
ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in ISO/IEC14496_sections.
Definition: pmt.h:125
dvb_table_pmt_stream::bitfield
uint16_t bitfield
Definition: pmt.h:175
dvb_table_pmt_stream::next
struct dvb_table_pmt_stream * next
Definition: pmt.h:190
dvb_v5_fe_parms
Keeps data needed to handle the DVB frontend.
Definition: dvb-fe.h:117
stream_13818_6_C
@ stream_13818_6_C
ISO/IEC 13818-6 type C.
Definition: pmt.h:118
stream_14496_1_pes
@ stream_14496_1_pes
ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in PES packets.
Definition: pmt.h:124
stream_mheg
@ stream_mheg
ISO/IEC 13522 MHEG.
Definition: pmt.h:113
stream_audio_14496_3
@ stream_audio_14496_3
Definition: pmt.h:128
stream_audio_latm
@ stream_audio_latm
ISO/IEC 14496-3 Audio with the LATM transport syntax as defined in ISO/IEC 14496-3 / AMD 1.
Definition: pmt.h:123
stream_video_hevc
@ stream_video_hevc
Definition: pmt.h:129
dvb_table_pmt_stream::descriptor
struct dvb_desc * descriptor
Definition: pmt.h:189
stream_13818_6_B
@ stream_13818_6_B
ISO/IEC 13818-6 type B.
Definition: pmt.h:117
dvb_table_pmt_stream::reserved
uint16_t reserved
Definition: pmt.h:178
dvb_table_pmt_stream::type
uint8_t type
Definition: pmt.h:173
dvb_table_pmt::bitfield2
uint16_t bitfield2
Definition: pmt.h:225
dvb_streams
dvb_streams
Add support for MPEG-TS Stream types.
Definition: pmt.h:106
stream_download
@ stream_download
ISO/IEC 13818-6 Synchronized Download Protocol.
Definition: pmt.h:126
dvb_table_pmt_stream
MPEG-TS PMT stream table.
Definition: pmt.h:172
stream_audio_dts_hdmv
@ stream_audio_dts_hdmv
Definition: pmt.h:135
stream_video_moto
@ stream_video_moto
Definition: pmt.h:131
dvb_table_pmt_free
void dvb_table_pmt_free(struct dvb_table_pmt *table)
Frees all data allocated by the PMT table parser.
dvb_table_pmt::descriptor
struct dvb_desc * descriptor
Definition: pmt.h:232
dvb_table_pmt::header
struct dvb_table_header header
Definition: pmt.h:215
dvb_table_pmt_stream::desc_length
uint16_t desc_length
Definition: pmt.h:184
stream_h222
@ stream_h222
ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Annex A DSM-CC.
Definition: pmt.h:114
stream_video
@ stream_video
ISO/IEC 11172 Video.
Definition: pmt.h:107
stream_audio_13818_3
@ stream_audio_13818_3
ISO/IEC 13818-3 Audio.
Definition: pmt.h:110
stream_13818_6_D
@ stream_13818_6_D
ISO/IEC 13818-6 type D.
Definition: pmt.h:119
stream_spu_vls
@ stream_spu_vls
Definition: pmt.h:139
dvb_table_pmt_stream::zero
uint16_t zero
Definition: pmt.h:185
stream_video_14496_2
@ stream_video_14496_2
ISO/IEC 14496-2 Visual.
Definition: pmt.h:122
dvb_table_pmt::bitfield
uint16_t bitfield
Definition: pmt.h:217
dvb_table_header
Header of a MPEG-TS table.
Definition: header.h:103
dvb_table_pmt_stream::elementary_pid
uint16_t elementary_pid
Definition: pmt.h:177
dvb_desc
Linked list containing the several descriptors found on a MPEG-TS table.
Definition: descriptors.h:117
stream_audio_sdds2
@ stream_audio_sdds2
Definition: pmt.h:140
stream_scte_27
@ stream_scte_27
Definition: pmt.h:133
dvb_table_pmt::zero3
uint16_t zero3
Definition: pmt.h:228
dvb_table_pmt
MPEG-TS PMT table.
Definition: pmt.h:214
header.h
Provides the MPEG TS table headers.
dvb_table_pmt::pcr_pid
uint16_t pcr_pid
Definition: pmt.h:219
stream_video_h264
@ stream_video_h264
Definition: pmt.h:127