forked from hiroshiyui/epgrab
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathsi_tables.h
1625 lines (1529 loc) · 67.7 KB
/
si_tables.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//////////////////////////////////////////////////////////////
/// ///
/// si_tables.h: definitions for data structures of the ///
/// incoming SI data stream ///
/// ///
//////////////////////////////////////////////////////////////
// $Revision: 84 $
// $Date: 2010-03-06 01:46:16 +0800 (六, 06 3月 2010) $
// $Author: cpaton $
//
// (C) 2001-03 Rolf Hakenes <[email protected]>, under the
// GNU GPL with contribution of Oleg Assovski,
// www.satmania.com
//
// libsi is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// libsi is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You may have received a copy of the GNU General Public License
// along with libsi; see the file COPYING. If not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#define HILO(x) (x##_hi << 8 | x##_lo)
#define HILO2(x) (x##1 << 8 | x##2)
#define HILO3(x) (x##1 << 16 | x##2 << 8 | x##3)
#define HILO4(x) (x##4 << 24 | x##2 << 16 | x##3 << 8 | x##4)
#define MjdToEpochTime(x) ((HILO(x)-40587)*86400)
#define BcdTimeToSeconds(x) ((3600 * ((10*((x##_h & 0xF0)>>4)) + (x##_h & 0xF))) + \
(60 * ((10*((x##_m & 0xF0)>>4)) + (x##_m & 0xF))) + \
((10*((x##_s & 0xF0)>>4)) + (x##_s & 0xF)))
#define BcdTimeToMinutes(x) ((60 * ((10*((x##_h & 0xF0)>>4)) + (x##_h & 0xF))) + \
(((10*((x##_m & 0xF0)>>4)) + (x##_m & 0xF))))
#define BcdCharToInt(x) (10*((x & 0xF0)>>4) + (x & 0xF))
#define CheckBcdChar(x) ((((x & 0xF0)>>4) <= 9) && \
((x & 0x0F) <= 9))
#define CheckBcdSignedChar(x) ((((x & 0xF0)>>4) >= 0) && (((x & 0xF0)>>4) <= 9) && \
((x & 0x0F) >= 0) && ((x & 0x0F) <= 9))
#define GetTableId(x) (((si_tab_t *)(x))->table_id)
#define GetSectionLength(x) HILO(((si_tab_t *)(x))->section_length)
typedef struct si_tab {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
} si_tab_t;
/*
*
* ETSI ISO/IEC 13818-1 specifies SI which is referred to as PSI. The PSI
* data provides information to enable automatic configuration of the
* receiver to demultiplex and decode the various streams of programs
* within the multiplex. The PSI data is structured as four types of table.
* The tables are transmitted in sections.
*
* 1) Program Association Table (PAT):
*
* - for each service in the multiplex, the PAT indicates the location
* (the Packet Identifier (PID) values of the Transport Stream (TS)
* packets) of the corresponding Program Map Table (PMT).
* It also gives the location of the Network Information Table (NIT).
*
*/
#define TableHasMoreSections(x) (((pat_t *)(x))->last_section_number > ((pat_t *)(x))->section_number)
#define GetSectionNumber(x) ((pat_t *)(x))->section_number
#define GetLastSectionNumber(x) ((pat_t *)(x))->last_section_number
#define GetServiceId(x) HILO(((eit_t *)(x))->service_id)
#define GetLastTableId(x) ((eit_t *)(x))->segment_last_table_id
#define GetSegmentLastSectionNumber(x) ((eit_t *)(x))->segment_last_section_number
typedef struct pat {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number /*:8*/;
u_char last_section_number /*:8*/;
} pat_t;
#define PAT_LEN sizeof (pat_t)
typedef struct pat_prog {
u_char program_number_hi /*:8*/;
u_char program_number_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char network_pid_hi :5;
#else
u_char network_pid_hi :5;
u_char :3;
#endif
u_char network_pid_lo /*:8*/;
/* or program_map_pid (if prog_num=0)*/
} pat_prog_t;
#define PAT_PROG_LEN sizeof (pat_prog_t)
/*
*
* 2) Conditional Access Table (CAT):
*
* - the CAT provides information on the CA systems used in the
* multiplex; the information is private and dependent on the CA
* system, but includes the location of the EMM stream, when
* applicable.
*
*/
typedef struct cat {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char :8;
u_char :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number /*:8*/;
u_char last_section_number /*:8*/;
} cat_t;
#define CAT_LEN sizeof (cat_t)
/*
*
* 3) Program Map Table (PMT):
*
* - the PMT identifies and indicates the locations of the streams that
* make up each service, and the location of the Program Clock
* Reference fields for a service.
*
*/
typedef struct pmt {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char program_number_hi /*:8*/;
u_char program_number_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number /*:8*/;
u_char last_section_number /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char PCR_PID_hi :5;
#else
u_char PCR_PID_hi :5;
u_char :3;
#endif
u_char PCR_PID_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char program_info_length_hi :4;
#else
u_char program_info_length_hi :4;
u_char :4;
#endif
u_char program_info_length_lo /*:8*/;
//descriptors
} pmt_t;
#define PMT_LEN sizeof (pmt_t)
typedef struct pmt_info {
u_char stream_type /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char elementary_PID_hi :5;
#else
u_char elementary_PID_hi :5;
u_char :3;
#endif
u_char elementary_PID_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char ES_info_length_hi :4;
#else
u_char ES_info_length_hi :4;
u_char :4;
#endif
u_char ES_info_length_lo /*:8*/;
// descriptors
} pmt_info_t;
#define PMT_INFO_LEN sizeof (pmt_info_t)
/*
*
* 4) Network Information Table (NIT):
*
* - the NIT is intended to provide information about the physical
* network. The syntax and semantics of the NIT are defined in
* ETSI EN 300 468.
*
*/
typedef struct nit {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char network_id_hi /*:8*/;
u_char network_id_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number /*:8*/;
u_char last_section_number /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char network_descriptor_length_hi :4;
#else
u_char network_descriptor_length_hi :4;
u_char :4;
#endif
u_char network_descriptor_length_lo /*:8*/;
/* descriptors */
} nit_t;
#define NIT_LEN sizeof (nit_t)
typedef struct nit_mid { // after descriptors
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char transport_stream_loop_length_hi :4;
#else
u_char transport_stream_loop_length_hi :4;
u_char :4;
#endif
u_char transport_stream_loop_length_lo /*:8*/;
} nit_mid_t;
#define SIZE_NIT_MID sizeof (nit_mid_t)
typedef struct nit_end {
long CRC;
} nit_end_t;
#define SIZE_NIT_END sizeof (nit_end_t)
typedef struct nit_ts {
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char transport_descriptors_length_hi :4;
#else
u_char transport_descriptors_length_hi :4;
u_char :4;
#endif
u_char transport_descriptors_length_lo /*:8*/;
/* descriptors */
} nit_ts_t;
#define NIT_TS_LEN sizeof (nit_ts_t)
/*
*
* In addition to the PSI, data is needed to provide identification of
* services and events for the user. In contrast with the PAT, CAT, and
* PMT of the PSI, which give information only for the multiplex in which
* they are contained (the actual multiplex), the additional information
* defined within the present document can also provide information on
* services and events carried by different multiplexes, and even on other
* networks. This data is structured as nine tables:
*
* 1) Bouquet Association Table (BAT):
*
* - the BAT provides information regarding bouquets. As well as giving
* the name of the bouquet, it provides a list of services for each
* bouquet.
*
*/
/* SEE NIT (It has the same structure but has different allowed descriptors) */
/*
*
* 2) Service Description Table (SDT):
*
* - the SDT contains data describing the services in the system e.g.
* names of services, the service provider, etc.
*
*/
typedef struct sdt {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number /*:8*/;
u_char last_section_number /*:8*/;
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char :8;
} sdt_t;
#define SDT_LEN sizeof (sdt_t)
#define GetSDTTransportStreamId(x) HILO(((sdt_t *)x)->transport_stream_id)
#define GetSDTOriginalNetworkId(x) HILO(((sdt_t *)x)->original_network_id)
typedef struct sdt_descr {
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :6;
u_char eit_schedule_flag :1;
u_char eit_present_following_flag :1;
u_char running_status :3;
u_char free_ca_mode :1;
u_char descriptors_loop_length_hi :4;
#else
u_char eit_present_following_flag :1;
u_char eit_schedule_flag :1;
u_char :6;
u_char descriptors_loop_length_hi :4;
u_char free_ca_mode :1;
u_char running_status :3;
#endif
u_char descriptors_loop_length_lo /*:8*/;
u_char data[];
} sdt_descr_t;
#define SDT_DESCR_LEN sizeof (sdt_descr_t)
#define GetSDTDescriptorsLoopLength(x) HILO(((sdt_descr_t *)x)->descriptors_loop_length)
/*
*
* 3) Event Information Table (EIT):
*
* - the EIT contains data concerning events or programmes such as event
* name, start time, duration, etc.; - the use of different descriptors
* allows the transmission of different kinds of event information e.g.
* for different service types.
*
*/
typedef struct eit {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number /*:8*/;
u_char last_section_number /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char segment_last_section_number /*:8*/;
u_char segment_last_table_id /*:8*/;
u_char data[]; /* struct eit_event */
} eit_t;
#define EIT_LEN sizeof (eit_t)
typedef struct eit_event {
u_char event_id_hi /*:8*/;
u_char event_id_lo /*:8*/;
u_char mjd_hi /*:8*/;
u_char mjd_lo /*:8*/;
u_char start_time_h /*:8*/;
u_char start_time_m /*:8*/;
u_char start_time_s /*:8*/;
u_char duration_h /*:8*/;
u_char duration_m /*:8*/;
u_char duration_s /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char running_status :3;
u_char free_ca_mode :1;
u_char descriptors_loop_length_hi :4;
#else
u_char descriptors_loop_length_hi :4;
u_char free_ca_mode :1;
u_char running_status :3;
#endif
u_char descriptors_loop_length_lo /*:8*/;
u_char data[]; /* struct descr_gen */
} eit_event_t;
#define EIT_EVENT_LEN sizeof (eit_event_t)
#define GetEITDescriptorsLoopLength(x) HILO(((eit_event_t *)x)->descriptors_loop_length)
/*
*
* 4) Running Status Table (RST):
*
* - the RST gives the status of an event (running/not running). The RST
* updates this information and allows timely automatic switching to
* events.
*
*/
/* TO BE DONE */
/*
*
* 5) Time and Date Table (TDT):
*
* - the TDT gives information relating to the present time and date.
* This information is given in a separate table due to the frequent
* updating of this information.
*
*/
typedef struct tdt {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char utc_mjd_hi /*:8*/;
u_char utc_mjd_lo /*:8*/;
u_char utc_time_h /*:8*/;
u_char utc_time_m /*:8*/;
u_char utc_time_s /*:8*/;
} tdt_t;
#define TDT_LEN sizeof (tdt_t)
/*
*
* 6) Time Offset Table (TOT):
*
* - the TOT gives information relating to the present time and date and
* local time offset. This information is given in a separate table due
* to the frequent updating of the time information.
*
*/
typedef struct tot {
u_char table_id /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo /*:8*/;
u_char utc_mjd_hi /*:8*/;
u_char utc_mjd_lo /*:8*/;
u_char utc_time_h /*:8*/;
u_char utc_time_m /*:8*/;
u_char utc_time_s /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char descriptors_loop_length_hi :4;
#else
u_char descriptors_loop_length_hi :4;
u_char :4;
#endif
u_char descriptors_loop_length_lo /*:8*/;
} tot_t;
#define TOT_LEN sizeof (tot_t)
/*
*
* 7) Stuffing Table (ST):
*
* - the ST is used to invalidate existing sections, for example at
* delivery system boundaries.
*
*/
/* TO BE DONE */
/*
*
* 8) Selection Information Table (SIT):
*
* - the SIT is used only in "partial" (i.e. recorded) bitstreams. It
* carries a summary of the SI information required to describe the
* streams in the partial bitstream.
*
*/
/* TO BE DONE */
/*
*
* 9) Discontinuity Information Table (DIT):
*
* - the DIT is used only in "partial" (i.e. recorded) bitstreams.
* It is inserted where the SI information in the partial bitstream may
* be discontinuous. Where applicable the use of descriptors allows a
* flexible approach to the organization of the tables and allows for
* future compatible extensions.
*
*/
/* TO BE DONE */
/*
*
* The following describes the different descriptors that can be used within
* the SI.
*
* The following semantics apply to all the descriptors defined in this
* subclause:
*
* descriptor_tag: The descriptor tag is an 8-bit field which identifies
* each descriptor. Those values with MPEG-2 normative
* meaning are described in ISO/IEC 13818-1. The values of
* descriptor_tag are defined in 'libsi.h'
* descriptor_length: The descriptor length is an 8-bit field specifying the
* total number of bytes of the data portion of the
* descriptor following the byte defining the value of
* this field.
*
*/
typedef struct descr_gen {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
} descr_gen_t;
#define DESCR_GEN_LEN sizeof (descr_gen_t)
#define CastGenericDescriptor(x) ((descr_gen_t *)(x))
#define GetDescriptorTag(x) (((descr_gen_t *)x)->descriptor_tag)
#define GetDescriptorLength(x) (((descr_gen_t *)x)->descriptor_length)
/* 0x09 ca_descriptor */
typedef struct descr_ca {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char CA_type_hi /*:8*/;
u_char CA_type_lo /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char CA_PID_hi :5;
#else
u_char CA_PID_hi :5;
u_char :3;
#endif
u_char CA_PID_lo /*:8*/;
} descr_ca_t;
#define DESCR_CA_LEN sizeof (descr_ca_t)
#define CastCaDescriptor(x) ((descr_ca_t *)(x))
/* 0x0A iso_639_language_descriptor */
typedef struct descr_iso_639_language {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char lang_code1 /*:8*/;
u_char lang_code2 /*:8*/;
u_char lang_code3 /*:8*/;
} descr_iso_639_language_t;
#define DESCR_ISO_639_LANGUAGE_LEN sizeof (descr_iso_639_language_t)
#define CastIso639LanguageDescriptor(x) ((descr_iso_639_language_t *)(x))
/* 0x40 network_name_descriptor */
typedef struct descr_network_name {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
} descr_network_name_t;
#define DESCR_NETWORK_NAME_LEN sizeof (descr_network_name_t)
#define CastNetworkNameDescriptor(x) ((descr_network_name_t *)(x))
/* 0x41 service_list_descriptor */
typedef struct descr_service_list {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
} descr_service_list_t;
#define DESCR_SERVICE_LIST_LEN sizeof (descr_service_list_t)
#define CastServiceListDescriptor(x) ((descr_service_list_t *)(x))
typedef struct descr_service_list_loop {
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
u_char service_type /*:8*/;
} descr_service_list_loop_t;
#define DESCR_SERVICE_LIST_LOOP_LEN sizeof (descr_service_list_loop_t)
#define CastServiceListDescriptorLoop(x) ((descr_service_list_loop_t *)(x))
/* 0x42 stuffing_descriptor */
typedef struct descr_stuffing {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char data[];
} descr_stuffing_t;
#define DESCR_STUFFING_LEN sizeof (descr_stuffing_t)
#define CastStuffingDescriptor(x) ((descr_stuffing_t *)(x))
/* 0x43 satellite_delivery_system_descriptor */
typedef struct descr_satellite_delivery_system {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char frequency1 /*:8*/;
u_char frequency2 /*:8*/;
u_char frequency3 /*:8*/;
u_char frequency4 /*:8*/;
u_char orbital_position1 /*:8*/;
u_char orbital_position2 /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char west_east_flag :1;
u_char polarization :2;
u_char modulation :5;
#else
u_char modulation :5;
u_char polarization :2;
u_char west_east_flag :1;
#endif
u_char symbol_rate1 /*:8*/;
u_char symbol_rate2 /*:8*/;
u_char symbol_rate3 /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char symbol_rate4 :4;
u_char fec_inner :4;
#else
u_char fec_inner :4;
u_char symbol_rate4 :4;
#endif
} descr_satellite_delivery_system_t;
#define DESCR_SATELLITE_DELIVERY_SYSTEM_LEN sizeof (descr_satellite_delivery_system_t)
#define CastSatelliteDeliverySystemDescriptor(x) ((descr_satellite_delivery_system_t *)(x))
#define GetSatelliteDeliverySystemFrequency(x) HILO4(((descr_satellite_delivert_system_t *)x)->frequency)
#define GetSatelliteDeliverySystemSymbolRate(x) HILO4(((descr_satellite_delivert_system_t *)x)->symbol_rate)
/* 0x44 cable_delivery_system_descriptor */
typedef struct descr_cable_delivery_system {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char frequency1 /*:8*/;
u_char frequency2 /*:8*/;
u_char frequency3 /*:8*/;
u_char frequency4 /*:8*/;
u_char :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char fec_outer :4;
#else
u_char fec_outer :4;
u_char :4;
#endif
u_char modulation /*:8*/;
u_char symbol_rate1 /*:8*/;
u_char symbol_rate2 /*:8*/;
u_char symbol_rate3 /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char symbol_rate4 :4;
u_char fec_inner :4;
#else
u_char fec_inner :4;
u_char symbol_rate4 :4;
#endif
} descr_cable_delivery_system_t;
#define DESCR_CABLE_DELIVERY_SYSTEM_LEN sizeof (descr_cable_delivery_system_t)
#define CastCableDeliverySystemDescriptor(x) ((descr_cable_delivery_system_t *)(x))
#define GetCableDeliverySystemFrequency(x) HILO4(((descr_cable_delivert_system_t *)x)->frequency)
#define GetCableDeliverySystemSymbolRate(x) HILO4(((descr_cable_delivert_system_t *)x)->symbol_rate)
/* 0x45 vbi_data_descriptor */
typedef struct descr_vbi_data {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
/* TBD */
} descr_vbi_data_t;
#define DESCR_VBI_DATA_LEN sizeof (descr_vbi_data_t)
#define CastVbiDataDescriptor(x) ((descr_vbi_data_t *)(x))
/* 0x46 vbi_teletext_descriptor */
typedef struct descr_vbi_teletext {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
/* TBD */
} descr_vbi_teletext_t;
#define DESCR_VBI_TELETEXT_LEN sizeof (descr_vbi_teletext_t)
#define CastVbiDescriptor(x) ((descr_vbi_teletext_t *)(x))
/* 0x47 bouquet_name_descriptor */
typedef struct descr_bouquet_name {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
} descr_bouquet_name_t;
#define DESCR_BOUQUET_NAME_LEN sizeof (descr_bouquet_name_t)
#define CastBouquetNameDescriptor(x) ((descr_bouquet_name_t *)(x))
/* 0x48 service_descriptor */
typedef struct descr_service {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char service_type /*:8*/;
u_char provider_name_length /*:8*/;
} descr_service_t;
#define DESCR_SERVICE_LEN sizeof (descr_service_t)
#define CastServiceDescriptor(x) ((descr_service_t *)(x))
/* 0x49 country_availability_descriptor */
typedef struct descr_country_availability {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char country_availability_flag :1;
u_char :7;
#else
u_char :7;
u_char country_availability_flag :1;
#endif
} descr_country_availability_t;
#define DESCR_COUNTRY_AVAILABILITY_LEN sizeof (descr_country_availability_t)
#define CastCountryAvailabilityDescriptor(x) ((descr_country_availability_t *)(x))
/* 0x4A linkage_descriptor */
typedef struct descr_linkage {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
u_char linkage_type /*:8*/;
} descr_linkage_t;
#define DESCR_LINKAGE_LEN sizeof (descr_linkage_t)
#define CastLinkageDescriptor(x) ((descr_linkage_t *)(x))
/* 0x4B nvod_reference_descriptor */
typedef struct descr_nvod_reference {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char data[]; /* struct item_nvod_reference */
} descr_nvod_reference_t;
#define DESCR_NVOD_REFERENCE_LEN sizeof (descr_nvod_reference_t)
#define CastNvodReferenceDescriptor(x) ((descr_nvod_reference_t *)(x))
typedef struct item_nvod_reference {
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
} item_nvod_reference_t;
#define ITEM_NVOD_REFERENCE_LEN sizeof (item_nvod_reference_t)
#define CastNvodReferenceItem(x) ((item_nvod_reference_t *)(x))
/* 0x4C time_shifted_service_descriptor */
typedef struct descr_time_shifted_service {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char reference_service_id_hi /*:8*/;
u_char reference_service_id_lo /*:8*/;
} descr_time_shifted_service_t;
#define DESCR_TIME_SHIFTED_SERVICE_LEN sizeof (descr_time_shifted_service_t)
#define CastTimeShiftedServiceDescriptor(x) ((descr_time_shifted_service_t *)(x))
/* 0x4D short_event_descriptor */
typedef struct descr_short_event {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char lang_code1 /*:8*/;
u_char lang_code2 /*:8*/;
u_char lang_code3 /*:8*/;
u_char event_name_length /*:8*/;
u_char data[];
} descr_short_event_t;
#define DESCR_SHORT_EVENT_LEN sizeof (descr_short_event_t)
#define CastShortEventDescriptor(x) ((descr_short_event_t *)(x))
/* 0x4E extended_event_descriptor */
typedef struct descr_extended_event {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char descriptor_number :4;
u_char last_descriptor_number :4;
#else
u_char last_descriptor_number :4;
u_char descriptor_number :4;
#endif
u_char lang_code1 /*:8*/;
u_char lang_code2 /*:8*/;
u_char lang_code3 /*:8*/;
u_char length_of_items /*:8*/;
u_char data[]; /* struct item_extended_event */
} descr_extended_event_t;
#define DESCR_EXTENDED_EVENT_LEN sizeof (descr_extended_event_t)
#define CastExtendedEventDescriptor(x) ((descr_extended_event_t *)(x))
typedef struct item_extended_event {
u_char item_description_length /*:8*/;
u_char data[];
} item_extended_event_t;
#define ITEM_EXTENDED_EVENT_LEN sizeof (item_extended_event_t)
#define CastExtendedEventItem(x) ((item_extended_event_t *)(x))
/* 0x4F time_shifted_event_descriptor */
typedef struct descr_time_shifted_event {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
u_char reference_service_id_hi /*:8*/;
u_char reference_service_id_lo /*:8*/;
u_char reference_event_id_hi /*:8*/;
u_char reference_event_id_lo /*:8*/;
} descr_time_shifted_event_t;
#define DESCR_TIME_SHIFTED_EVENT_LEN sizeof (descr_time_shifted_event_t)
#define CastTimeShiftedEventDescriptor(x) ((descr_time_shifted_event_t *)(x))
/* 0x50 component_descriptor */
typedef struct descr_component {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char stream_content :4;
#else
u_char stream_content :4;
u_char :4;
#endif
u_char component_type /*:8*/;
u_char component_tag /*:8*/;
u_char lang_code1 /*:8*/;
u_char lang_code2 /*:8*/;
u_char lang_code3 /*:8*/;
u_char data[];
} descr_component_t;
#define DESCR_COMPONENT_LEN sizeof (descr_component_t)
#define CastComponentDescriptor(x) ((descr_component_t *)(x))
/* 0x51 mosaic_descriptor */
typedef struct descr_mosaic {
u_char descriptor_tag /*:8*/;
u_char descriptor_length /*:8*/;
#if BYTE_ORDER == BIG_ENDIAN
u_char mosaic_entry_point :1;
u_char number_of_horizontal_elementary_cells :3;
u_char :1;
u_char number_of_vertical_elementary_cells :3;
#else
u_char number_of_vertical_elementary_cells :3;
u_char :1;
u_char number_of_horizontal_elementary_cells :3;
u_char mosaic_entry_point :1;
#endif
u_char data[]; /* struct item_mosaic */
} descr_mosaic_t;
#define DESCR_MOSAIC_LEN sizeof (descr_mosaic_t)
#define CastMosaicDescriptor(x) ((descr_mosaic_t *)(x))
typedef struct item_mosaic {
#if BYTE_ORDER == BIG_ENDIAN
u_char logical_cell_id :6;
u_char :7;
u_char logical_cell_presentation_info :3;
#else
u_char :2;
u_char logical_cell_id :6;
u_char logical_cell_presentation_info :3; /*0=undefined, 1=video, 2=still picture, 3=graphical text, 4--7=reserved*/
u_char :5;
#endif
u_char elementary_cell_field_length /*:8*/;
u_char data[]; /* struct item_mosaic_cell; struct item_mosaic_end */
} item_mosaic_t;
typedef struct item_mosaic_end {
u_char cell_linkage_info /*:8*/; /*0=undefined, 1=bouquet, 2=service, 3=other mosaic, 4=event, 5--255=reserved*/
u_char data[]; /* union item_cell_linkage */
} item_mosaic_end_t;
typedef struct item_mosaic_cell {
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char elementary_cell_id :6;
#else
u_char elementary_cell_id :6;
u_char :2;
#endif
} item_mosaic_cell_t;
typedef union item_mosaic_cell_linkage {
struct item_mosaic_cell_bouquet {
u_char bouquet_id_hi /*:8*/;
u_char bouquet_id_lo /*:8*/;
} bouquet;
struct item_mosaic_cell_service {
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
} service;
struct item_mosaic_cell_other {
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
} other;
struct item_mosaic_cell_event {
u_char original_network_id_hi /*:8*/;
u_char original_network_id_lo /*:8*/;
u_char transport_stream_id_hi /*:8*/;
u_char transport_stream_id_lo /*:8*/;
u_char service_id_hi /*:8*/;
u_char service_id_lo /*:8*/;
u_char event_id_hi /*:8*/;
u_char event_id_lo /*:8*/;