1 | /* |
2 | * Copyright (C) 2000, 2001 Björn Englund <d4bjorn@dtek.chalmers.se>, |
3 | * Håkan Hjort <d95hjort@dtek.chalmers.se> |
4 | * |
5 | * This file is part of libdvdread. |
6 | * |
7 | * libdvdread is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | * |
12 | * libdvdread is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with libdvdread; if not, write to the Free Software Foundation, Inc., |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
20 | */ |
21 | |
22 | #ifndef LIBDVDREAD_IFO_TYPES_H |
23 | #define LIBDVDREAD_IFO_TYPES_H |
24 | |
25 | #include <inttypes.h> |
26 | #include "dvdread/dvd_reader.h" |
27 | |
28 | |
29 | #undef ATTRIBUTE_PACKED |
30 | #undef PRAGMA_PACK_BEGIN |
31 | #undef PRAGMA_PACK_END |
32 | |
33 | #if defined(__GNUC__) |
34 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) |
35 | #define ATTRIBUTE_PACKED __attribute__ ((packed)) |
36 | #define PRAGMA_PACK 0 |
37 | #endif |
38 | #endif |
39 | |
40 | #if !defined(ATTRIBUTE_PACKED) |
41 | #define ATTRIBUTE_PACKED |
42 | #define PRAGMA_PACK 1 |
43 | #endif |
44 | |
45 | #if PRAGMA_PACK |
46 | #pragma pack(1) |
47 | #endif |
48 | |
49 | |
50 | /** |
51 | * Common |
52 | * |
53 | * The following structures are used in both the VMGI and VTSI. |
54 | */ |
55 | |
56 | |
57 | /** |
58 | * DVD Time Information. |
59 | */ |
60 | typedef struct { |
61 | uint8_t hour; |
62 | uint8_t minute; |
63 | uint8_t second; |
64 | uint8_t frame_u; /* The two high bits are the frame rate. */ |
65 | } ATTRIBUTE_PACKED dvd_time_t; |
66 | |
67 | /** |
68 | * Type to store per-command data. |
69 | */ |
70 | typedef struct { |
71 | uint8_t bytes[8]; |
72 | } ATTRIBUTE_PACKED vm_cmd_t; |
73 | #define COMMAND_DATA_SIZE 8U |
74 | |
75 | |
76 | /** |
77 | * Video Attributes. |
78 | */ |
79 | typedef struct { |
80 | unsigned char mpeg_version : 2; |
81 | unsigned char video_format : 2; |
82 | unsigned char display_aspect_ratio : 2; |
83 | unsigned char permitted_df : 2; |
84 | |
85 | unsigned char line21_cc_1 : 1; |
86 | unsigned char line21_cc_2 : 1; |
87 | unsigned char unknown1 : 1; |
88 | unsigned char bit_rate : 1; |
89 | |
90 | unsigned char picture_size : 2; |
91 | unsigned char letterboxed : 1; |
92 | unsigned char film_mode : 1; |
93 | } ATTRIBUTE_PACKED video_attr_t; |
94 | |
95 | /** |
96 | * Audio Attributes. |
97 | */ |
98 | typedef struct { |
99 | unsigned char audio_format : 3; |
100 | unsigned char multichannel_extension : 1; |
101 | unsigned char lang_type : 2; |
102 | unsigned char application_mode : 2; |
103 | |
104 | unsigned char quantization : 2; |
105 | unsigned char sample_frequency : 2; |
106 | unsigned char unknown1 : 1; |
107 | unsigned char channels : 3; |
108 | uint16_t lang_code; |
109 | uint8_t lang_extension; |
110 | uint8_t code_extension; |
111 | uint8_t unknown3; |
112 | union { |
113 | struct ATTRIBUTE_PACKED { |
114 | unsigned char unknown4 : 1; |
115 | unsigned char channel_assignment : 3; |
116 | unsigned char version : 2; |
117 | unsigned char mc_intro : 1; /* probably 0: true, 1:false */ |
118 | unsigned char mode : 1; /* Karaoke mode 0: solo 1: duet */ |
119 | } karaoke; |
120 | struct ATTRIBUTE_PACKED { |
121 | unsigned char unknown5 : 4; |
122 | unsigned char dolby_encoded : 1; /* suitable for surround decoding */ |
123 | unsigned char unknown6 : 3; |
124 | } surround; |
125 | } ATTRIBUTE_PACKED app_info; |
126 | } ATTRIBUTE_PACKED audio_attr_t; |
127 | |
128 | |
129 | /** |
130 | * MultiChannel Extension |
131 | */ |
132 | typedef struct { |
133 | unsigned int zero1 : 7; |
134 | unsigned int ach0_gme : 1; |
135 | |
136 | unsigned int zero2 : 7; |
137 | unsigned int ach1_gme : 1; |
138 | |
139 | unsigned int zero3 : 4; |
140 | unsigned int ach2_gv1e : 1; |
141 | unsigned int ach2_gv2e : 1; |
142 | unsigned int ach2_gm1e : 1; |
143 | unsigned int ach2_gm2e : 1; |
144 | |
145 | unsigned int zero4 : 4; |
146 | unsigned int ach3_gv1e : 1; |
147 | unsigned int ach3_gv2e : 1; |
148 | unsigned int ach3_gmAe : 1; |
149 | unsigned int ach3_se2e : 1; |
150 | |
151 | unsigned int zero5 : 4; |
152 | unsigned int ach4_gv1e : 1; |
153 | unsigned int ach4_gv2e : 1; |
154 | unsigned int ach4_gmBe : 1; |
155 | unsigned int ach4_seBe : 1; |
156 | uint8_t zero6[19]; |
157 | } ATTRIBUTE_PACKED multichannel_ext_t; |
158 | |
159 | |
160 | /** |
161 | * Subpicture Attributes. |
162 | */ |
163 | typedef struct { |
164 | /* |
165 | * type: 0 not specified |
166 | * 1 language |
167 | * 2 other |
168 | * coding mode: 0 run length |
169 | * 1 extended |
170 | * 2 other |
171 | * language: indicates language if type == 1 |
172 | * lang extension: if type == 1 contains the lang extension |
173 | */ |
174 | unsigned char code_mode : 3; |
175 | unsigned char zero1 : 3; |
176 | unsigned char type : 2; |
177 | uint8_t zero2; |
178 | uint16_t lang_code; |
179 | uint8_t lang_extension; |
180 | uint8_t code_extension; |
181 | } ATTRIBUTE_PACKED subp_attr_t; |
182 | |
183 | |
184 | |
185 | /** |
186 | * PGC Command Table. |
187 | */ |
188 | typedef struct { |
189 | uint16_t nr_of_pre; |
190 | uint16_t nr_of_post; |
191 | uint16_t nr_of_cell; |
192 | uint16_t zero_1; |
193 | vm_cmd_t *pre_cmds; |
194 | vm_cmd_t *post_cmds; |
195 | vm_cmd_t *cell_cmds; |
196 | } ATTRIBUTE_PACKED pgc_command_tbl_t; |
197 | #define PGC_COMMAND_TBL_SIZE 8U |
198 | |
199 | /** |
200 | * PGC Program Map |
201 | */ |
202 | typedef uint8_t pgc_program_map_t; |
203 | |
204 | /** |
205 | * Cell Playback Information. |
206 | */ |
207 | typedef struct { |
208 | unsigned int block_mode : 2; |
209 | unsigned int block_type : 2; |
210 | unsigned int seamless_play : 1; |
211 | unsigned int interleaved : 1; |
212 | unsigned int stc_discontinuity: 1; |
213 | unsigned int seamless_angle : 1; |
214 | |
215 | unsigned int playback_mode : 1; /**< When set, enter StillMode after each VOBU */ |
216 | unsigned int restricted : 1; /**< ?? drop out of fastforward? */ |
217 | unsigned int unknown2 : 6; |
218 | uint8_t still_time; |
219 | uint8_t cell_cmd_nr; |
220 | dvd_time_t playback_time; |
221 | uint32_t first_sector; |
222 | uint32_t first_ilvu_end_sector; |
223 | uint32_t last_vobu_start_sector; |
224 | uint32_t last_sector; |
225 | } ATTRIBUTE_PACKED cell_playback_t; |
226 | |
227 | #define BLOCK_TYPE_NONE 0x0 |
228 | #define BLOCK_TYPE_ANGLE_BLOCK 0x1 |
229 | |
230 | #define BLOCK_MODE_NOT_IN_BLOCK 0x0 |
231 | #define BLOCK_MODE_FIRST_CELL 0x1 |
232 | #define BLOCK_MODE_IN_BLOCK 0x2 |
233 | #define BLOCK_MODE_LAST_CELL 0x3 |
234 | |
235 | /** |
236 | * Cell Position Information. |
237 | */ |
238 | typedef struct { |
239 | uint16_t vob_id_nr; |
240 | uint8_t zero_1; |
241 | uint8_t cell_nr; |
242 | } ATTRIBUTE_PACKED cell_position_t; |
243 | |
244 | /** |
245 | * User Operations. |
246 | */ |
247 | typedef struct { |
248 | unsigned int zero : 7; /* 25-31 */ |
249 | unsigned int video_pres_mode_change : 1; /* 24 */ |
250 | |
251 | unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */ |
252 | unsigned int angle_change : 1; |
253 | unsigned int subpic_stream_change : 1; |
254 | unsigned int audio_stream_change : 1; |
255 | unsigned int pause_on : 1; |
256 | unsigned int still_off : 1; |
257 | unsigned int button_select_or_activate : 1; |
258 | unsigned int resume : 1; /* 16 */ |
259 | |
260 | unsigned int : 1; /* 15 */ |
261 | unsigned int : 1; |
262 | unsigned int : 1; |
263 | unsigned int : 1; |
264 | unsigned int : 1; |
265 | unsigned int : 1; |
266 | unsigned int backward_scan : 1; |
267 | unsigned int forward_scan : 1; /* 8 */ |
268 | |
269 | unsigned int next_pg_search : 1; /* 7 */ |
270 | unsigned int prev_or_top_pg_search : 1; |
271 | unsigned int time_or_chapter_search : 1; |
272 | unsigned int go_up : 1; |
273 | unsigned int stop : 1; |
274 | unsigned int title_play : 1; |
275 | unsigned int chapter_search_or_play : 1; |
276 | unsigned int title_or_time_play : 1; /* 0 */ |
277 | } ATTRIBUTE_PACKED user_ops_t; |
278 | |
279 | /** |
280 | * Program Chain Information. |
281 | */ |
282 | typedef struct { |
283 | uint16_t zero_1; |
284 | uint8_t nr_of_programs; |
285 | uint8_t nr_of_cells; |
286 | dvd_time_t playback_time; |
287 | user_ops_t prohibited_ops; |
288 | uint16_t audio_control[8]; /* New type? */ |
289 | uint32_t subp_control[32]; /* New type? */ |
290 | uint16_t next_pgc_nr; |
291 | uint16_t prev_pgc_nr; |
292 | uint16_t goup_pgc_nr; |
293 | uint8_t still_time; |
294 | uint8_t pg_playback_mode; |
295 | uint32_t palette[16]; /* New type struct {zero_1, Y, Cr, Cb} ? */ |
296 | uint16_t command_tbl_offset; |
297 | uint16_t program_map_offset; |
298 | uint16_t cell_playback_offset; |
299 | uint16_t cell_position_offset; |
300 | pgc_command_tbl_t *command_tbl; |
301 | pgc_program_map_t *program_map; |
302 | cell_playback_t *cell_playback; |
303 | cell_position_t *cell_position; |
304 | int ref_count; |
305 | } ATTRIBUTE_PACKED pgc_t; |
306 | #define PGC_SIZE 236U |
307 | |
308 | /** |
309 | * Program Chain Information Search Pointer. |
310 | */ |
311 | typedef struct { |
312 | uint8_t entry_id; |
313 | unsigned int block_mode : 2; |
314 | unsigned int block_type : 2; |
315 | unsigned int unknown1 : 4; |
316 | uint16_t ptl_id_mask; |
317 | uint32_t pgc_start_byte; |
318 | pgc_t *pgc; |
319 | } ATTRIBUTE_PACKED pgci_srp_t; |
320 | #define PGCI_SRP_SIZE 8U |
321 | |
322 | /** |
323 | * Program Chain Information Table. |
324 | */ |
325 | typedef struct { |
326 | uint16_t nr_of_pgci_srp; |
327 | uint16_t zero_1; |
328 | uint32_t last_byte; |
329 | pgci_srp_t *pgci_srp; |
330 | int ref_count; |
331 | } ATTRIBUTE_PACKED pgcit_t; |
332 | #define PGCIT_SIZE 8U |
333 | |
334 | /** |
335 | * Menu PGCI Language Unit. |
336 | */ |
337 | typedef struct { |
338 | uint16_t lang_code; |
339 | uint8_t lang_extension; |
340 | uint8_t exists; |
341 | uint32_t lang_start_byte; |
342 | pgcit_t *pgcit; |
343 | } ATTRIBUTE_PACKED pgci_lu_t; |
344 | #define PGCI_LU_SIZE 8U |
345 | |
346 | /** |
347 | * Menu PGCI Unit Table. |
348 | */ |
349 | typedef struct { |
350 | uint16_t nr_of_lus; |
351 | uint16_t zero_1; |
352 | uint32_t last_byte; |
353 | pgci_lu_t *lu; |
354 | } ATTRIBUTE_PACKED pgci_ut_t; |
355 | #define PGCI_UT_SIZE 8U |
356 | |
357 | /** |
358 | * Cell Address Information. |
359 | */ |
360 | typedef struct { |
361 | uint16_t vob_id; |
362 | uint8_t cell_id; |
363 | uint8_t zero_1; |
364 | uint32_t start_sector; |
365 | uint32_t last_sector; |
366 | } ATTRIBUTE_PACKED cell_adr_t; |
367 | |
368 | /** |
369 | * Cell Address Table. |
370 | */ |
371 | typedef struct { |
372 | uint16_t nr_of_vobs; /* VOBs */ |
373 | uint16_t zero_1; |
374 | uint32_t last_byte; |
375 | cell_adr_t *cell_adr_table; /* No explicit size given. */ |
376 | } ATTRIBUTE_PACKED c_adt_t; |
377 | #define C_ADT_SIZE 8U |
378 | |
379 | /** |
380 | * VOBU Address Map. |
381 | */ |
382 | typedef struct { |
383 | uint32_t last_byte; |
384 | uint32_t *vobu_start_sectors; |
385 | } ATTRIBUTE_PACKED vobu_admap_t; |
386 | #define VOBU_ADMAP_SIZE 4U |
387 | |
388 | |
389 | |
390 | |
391 | /** |
392 | * VMGI |
393 | * |
394 | * The following structures relate to the Video Manager. |
395 | */ |
396 | |
397 | /** |
398 | * Video Manager Information Management Table. |
399 | */ |
400 | typedef struct { |
401 | char vmg_identifier[12]; |
402 | uint32_t vmg_last_sector; |
403 | uint8_t zero_1[12]; |
404 | uint32_t vmgi_last_sector; |
405 | uint8_t zero_2; |
406 | uint8_t specification_version; |
407 | uint32_t vmg_category; |
408 | uint16_t vmg_nr_of_volumes; |
409 | uint16_t vmg_this_volume_nr; |
410 | uint8_t disc_side; |
411 | uint8_t zero_3[19]; |
412 | uint16_t vmg_nr_of_title_sets; /* Number of VTSs. */ |
413 | char provider_identifier[32]; |
414 | uint64_t vmg_pos_code; |
415 | uint8_t zero_4[24]; |
416 | uint32_t vmgi_last_byte; |
417 | uint32_t first_play_pgc; |
418 | uint8_t zero_5[56]; |
419 | uint32_t vmgm_vobs; /* sector */ |
420 | uint32_t tt_srpt; /* sector */ |
421 | uint32_t vmgm_pgci_ut; /* sector */ |
422 | uint32_t ptl_mait; /* sector */ |
423 | uint32_t vts_atrt; /* sector */ |
424 | uint32_t txtdt_mgi; /* sector */ |
425 | uint32_t vmgm_c_adt; /* sector */ |
426 | uint32_t vmgm_vobu_admap; /* sector */ |
427 | uint8_t zero_6[32]; |
428 | |
429 | video_attr_t vmgm_video_attr; |
430 | uint8_t zero_7; |
431 | uint8_t nr_of_vmgm_audio_streams; /* should be 0 or 1 */ |
432 | audio_attr_t vmgm_audio_attr; |
433 | audio_attr_t zero_8[7]; |
434 | uint8_t zero_9[17]; |
435 | uint8_t nr_of_vmgm_subp_streams; /* should be 0 or 1 */ |
436 | subp_attr_t vmgm_subp_attr; |
437 | subp_attr_t zero_10[27]; /* XXX: how much 'padding' here? */ |
438 | } ATTRIBUTE_PACKED vmgi_mat_t; |
439 | |
440 | typedef struct { |
441 | unsigned int zero_1 : 1; |
442 | unsigned int multi_or_random_pgc_title : 1; /* 0: one sequential pgc title */ |
443 | unsigned int jlc_exists_in_cell_cmd : 1; |
444 | unsigned int jlc_exists_in_prepost_cmd : 1; |
445 | unsigned int jlc_exists_in_button_cmd : 1; |
446 | unsigned int jlc_exists_in_tt_dom : 1; |
447 | unsigned int chapter_search_or_play : 1; /* UOP 1 */ |
448 | unsigned int title_or_time_play : 1; /* UOP 0 */ |
449 | } ATTRIBUTE_PACKED playback_type_t; |
450 | |
451 | /** |
452 | * Title Information. |
453 | */ |
454 | typedef struct { |
455 | playback_type_t pb_ty; |
456 | uint8_t nr_of_angles; |
457 | uint16_t nr_of_ptts; |
458 | uint16_t parental_id; |
459 | uint8_t title_set_nr; |
460 | uint8_t vts_ttn; |
461 | uint32_t title_set_sector; |
462 | } ATTRIBUTE_PACKED title_info_t; |
463 | |
464 | /** |
465 | * PartOfTitle Search Pointer Table. |
466 | */ |
467 | typedef struct { |
468 | uint16_t nr_of_srpts; |
469 | uint16_t zero_1; |
470 | uint32_t last_byte; |
471 | title_info_t *title; |
472 | } ATTRIBUTE_PACKED tt_srpt_t; |
473 | #define TT_SRPT_SIZE 8U |
474 | |
475 | |
476 | /** |
477 | * Parental Management Information Unit Table. |
478 | * Level 1 (US: G), ..., 7 (US: NC-17), 8 |
479 | */ |
480 | #define PTL_MAIT_NUM_LEVEL 8 |
481 | typedef uint16_t pf_level_t[PTL_MAIT_NUM_LEVEL]; |
482 | |
483 | /** |
484 | * Parental Management Information Unit Table. |
485 | */ |
486 | typedef struct { |
487 | uint16_t country_code; |
488 | uint16_t zero_1; |
489 | uint16_t pf_ptl_mai_start_byte; |
490 | uint16_t zero_2; |
491 | pf_level_t *pf_ptl_mai; /* table of (nr_of_vtss + 1), video_ts is first */ |
492 | } ATTRIBUTE_PACKED ptl_mait_country_t; |
493 | #define PTL_MAIT_COUNTRY_SIZE 8U |
494 | |
495 | /** |
496 | * Parental Management Information Table. |
497 | */ |
498 | typedef struct { |
499 | uint16_t nr_of_countries; |
500 | uint16_t nr_of_vtss; |
501 | uint32_t last_byte; |
502 | ptl_mait_country_t *countries; |
503 | } ATTRIBUTE_PACKED ptl_mait_t; |
504 | #define PTL_MAIT_SIZE 8U |
505 | |
506 | /** |
507 | * Video Title Set Attributes. |
508 | */ |
509 | typedef struct { |
510 | uint32_t last_byte; |
511 | uint32_t vts_cat; |
512 | |
513 | video_attr_t vtsm_vobs_attr; |
514 | uint8_t zero_1; |
515 | uint8_t nr_of_vtsm_audio_streams; /* should be 0 or 1 */ |
516 | audio_attr_t vtsm_audio_attr; |
517 | audio_attr_t zero_2[7]; |
518 | uint8_t zero_3[16]; |
519 | uint8_t zero_4; |
520 | uint8_t nr_of_vtsm_subp_streams; /* should be 0 or 1 */ |
521 | subp_attr_t vtsm_subp_attr; |
522 | subp_attr_t zero_5[27]; |
523 | |
524 | uint8_t zero_6[2]; |
525 | |
526 | video_attr_t vtstt_vobs_video_attr; |
527 | uint8_t zero_7; |
528 | uint8_t nr_of_vtstt_audio_streams; |
529 | audio_attr_t vtstt_audio_attr[8]; |
530 | uint8_t zero_8[16]; |
531 | uint8_t zero_9; |
532 | uint8_t nr_of_vtstt_subp_streams; |
533 | subp_attr_t vtstt_subp_attr[32]; |
534 | } ATTRIBUTE_PACKED vts_attributes_t; |
535 | #define VTS_ATTRIBUTES_SIZE 542U |
536 | #define VTS_ATTRIBUTES_MIN_SIZE 356U |
537 | |
538 | /** |
539 | * Video Title Set Attribute Table. |
540 | */ |
541 | typedef struct { |
542 | uint16_t nr_of_vtss; |
543 | uint16_t zero_1; |
544 | uint32_t last_byte; |
545 | vts_attributes_t *vts; |
546 | uint32_t *vts_atrt_offsets; /* offsets table for each vts_attributes */ |
547 | } ATTRIBUTE_PACKED vts_atrt_t; |
548 | #define VTS_ATRT_SIZE 8U |
549 | |
550 | /** |
551 | * Text Data. (Incomplete) |
552 | */ |
553 | typedef struct { |
554 | uint32_t last_byte; /* offsets are relative here */ |
555 | uint16_t offsets[100]; /* == nr_of_srpts + 1 (first is disc title) */ |
556 | #if 0 |
557 | uint16_t unknown; /* 0x48 ?? 0x48 words (16bit) info following */ |
558 | uint16_t zero_1; |
559 | |
560 | uint8_t type_of_info; /* ?? 01 == disc, 02 == Title, 04 == Title part */ |
561 | uint8_t unknown1; |
562 | uint8_t unknown2; |
563 | uint8_t unknown3; |
564 | uint8_t unknown4; /* ?? allways 0x30 language?, text format? */ |
565 | uint8_t unknown5; |
566 | uint16_t offset; /* from first */ |
567 | |
568 | char text[12]; /* ended by 0x09 */ |
569 | #endif |
570 | } ATTRIBUTE_PACKED txtdt_t; |
571 | |
572 | /** |
573 | * Text Data Language Unit. (Incomplete) |
574 | */ |
575 | typedef struct { |
576 | uint16_t lang_code; |
577 | uint16_t unknown; /* 0x0001, title 1? disc 1? side 1? */ |
578 | uint32_t txtdt_start_byte; /* prt, rel start of vmg_txtdt_mgi */ |
579 | txtdt_t *txtdt; |
580 | } ATTRIBUTE_PACKED txtdt_lu_t; |
581 | #define TXTDT_LU_SIZE 8U |
582 | |
583 | /** |
584 | * Text Data Manager Information. (Incomplete) |
585 | */ |
586 | typedef struct { |
587 | char disc_name[14]; /* how many bytes?? */ |
588 | uint16_t nr_of_language_units; /* 32bit?? */ |
589 | uint32_t last_byte; |
590 | txtdt_lu_t *lu; |
591 | } ATTRIBUTE_PACKED txtdt_mgi_t; |
592 | #define TXTDT_MGI_SIZE 20U |
593 | |
594 | |
595 | /** |
596 | * VTS |
597 | * |
598 | * Structures relating to the Video Title Set (VTS). |
599 | */ |
600 | |
601 | /** |
602 | * Video Title Set Information Management Table. |
603 | */ |
604 | typedef struct { |
605 | char vts_identifier[12]; |
606 | uint32_t vts_last_sector; |
607 | uint8_t zero_1[12]; |
608 | uint32_t vtsi_last_sector; |
609 | uint8_t zero_2; |
610 | uint8_t specification_version; |
611 | uint32_t vts_category; |
612 | uint16_t zero_3; |
613 | uint16_t zero_4; |
614 | uint8_t zero_5; |
615 | uint8_t zero_6[19]; |
616 | uint16_t zero_7; |
617 | uint8_t zero_8[32]; |
618 | uint64_t zero_9; |
619 | uint8_t zero_10[24]; |
620 | uint32_t vtsi_last_byte; |
621 | uint32_t zero_11; |
622 | uint8_t zero_12[56]; |
623 | uint32_t vtsm_vobs; /* sector */ |
624 | uint32_t vtstt_vobs; /* sector */ |
625 | uint32_t vts_ptt_srpt; /* sector */ |
626 | uint32_t vts_pgcit; /* sector */ |
627 | uint32_t vtsm_pgci_ut; /* sector */ |
628 | uint32_t vts_tmapt; /* sector */ |
629 | uint32_t vtsm_c_adt; /* sector */ |
630 | uint32_t vtsm_vobu_admap; /* sector */ |
631 | uint32_t vts_c_adt; /* sector */ |
632 | uint32_t vts_vobu_admap; /* sector */ |
633 | uint8_t zero_13[24]; |
634 | |
635 | video_attr_t vtsm_video_attr; |
636 | uint8_t zero_14; |
637 | uint8_t nr_of_vtsm_audio_streams; /* should be 0 or 1 */ |
638 | audio_attr_t vtsm_audio_attr; |
639 | audio_attr_t zero_15[7]; |
640 | uint8_t zero_16[17]; |
641 | uint8_t nr_of_vtsm_subp_streams; /* should be 0 or 1 */ |
642 | subp_attr_t vtsm_subp_attr; |
643 | subp_attr_t zero_17[27]; |
644 | uint8_t zero_18[2]; |
645 | |
646 | video_attr_t vts_video_attr; |
647 | uint8_t zero_19; |
648 | uint8_t nr_of_vts_audio_streams; |
649 | audio_attr_t vts_audio_attr[8]; |
650 | uint8_t zero_20[17]; |
651 | uint8_t nr_of_vts_subp_streams; |
652 | subp_attr_t vts_subp_attr[32]; |
653 | uint16_t zero_21; |
654 | multichannel_ext_t vts_mu_audio_attr[8]; |
655 | /* XXX: how much 'padding' here, if any? */ |
656 | } ATTRIBUTE_PACKED vtsi_mat_t; |
657 | |
658 | /** |
659 | * PartOfTitle Unit Information. |
660 | */ |
661 | typedef struct { |
662 | uint16_t pgcn; |
663 | uint16_t pgn; |
664 | } ATTRIBUTE_PACKED ptt_info_t; |
665 | |
666 | /** |
667 | * PartOfTitle Information. |
668 | */ |
669 | typedef struct { |
670 | uint16_t nr_of_ptts; |
671 | ptt_info_t *ptt; |
672 | } ATTRIBUTE_PACKED ttu_t; |
673 | |
674 | /** |
675 | * PartOfTitle Search Pointer Table. |
676 | */ |
677 | typedef struct { |
678 | uint16_t nr_of_srpts; |
679 | uint16_t zero_1; |
680 | uint32_t last_byte; |
681 | ttu_t *title; |
682 | uint32_t *ttu_offset; /* offset table for each ttu */ |
683 | } ATTRIBUTE_PACKED vts_ptt_srpt_t; |
684 | #define VTS_PTT_SRPT_SIZE 8U |
685 | |
686 | |
687 | /** |
688 | * Time Map Entry. |
689 | */ |
690 | /* Should this be bit field at all or just the uint32_t? */ |
691 | typedef uint32_t map_ent_t; |
692 | |
693 | /** |
694 | * Time Map. |
695 | */ |
696 | typedef struct { |
697 | uint8_t tmu; /* Time unit, in seconds */ |
698 | uint8_t zero_1; |
699 | uint16_t nr_of_entries; |
700 | map_ent_t *map_ent; |
701 | } ATTRIBUTE_PACKED vts_tmap_t; |
702 | #define VTS_TMAP_SIZE 4U |
703 | |
704 | /** |
705 | * Time Map Table. |
706 | */ |
707 | typedef struct { |
708 | uint16_t nr_of_tmaps; |
709 | uint16_t zero_1; |
710 | uint32_t last_byte; |
711 | vts_tmap_t *tmap; |
712 | uint32_t *tmap_offset; /* offset table for each tmap */ |
713 | } ATTRIBUTE_PACKED vts_tmapt_t; |
714 | #define VTS_TMAPT_SIZE 8U |
715 | |
716 | |
717 | #if PRAGMA_PACK |
718 | #pragma pack() |
719 | #endif |
720 | |
721 | |
722 | /** |
723 | * The following structure defines an IFO file. The structure is divided into |
724 | * two parts, the VMGI, or Video Manager Information, which is read from the |
725 | * VIDEO_TS.[IFO,BUP] file, and the VTSI, or Video Title Set Information, which |
726 | * is read in from the VTS_XX_0.[IFO,BUP] files. |
727 | */ |
728 | typedef struct { |
729 | dvd_file_t *file; |
730 | |
731 | /* VMGI */ |
732 | vmgi_mat_t *vmgi_mat; |
733 | tt_srpt_t *tt_srpt; |
734 | pgc_t *first_play_pgc; |
735 | ptl_mait_t *ptl_mait; |
736 | vts_atrt_t *vts_atrt; |
737 | txtdt_mgi_t *txtdt_mgi; |
738 | |
739 | /* Common */ |
740 | pgci_ut_t *pgci_ut; |
741 | c_adt_t *; |
742 | vobu_admap_t *; |
743 | |
744 | /* VTSI */ |
745 | vtsi_mat_t *vtsi_mat; |
746 | vts_ptt_srpt_t *vts_ptt_srpt; |
747 | pgcit_t *vts_pgcit; |
748 | vts_tmapt_t *vts_tmapt; |
749 | c_adt_t *vts_c_adt; |
750 | vobu_admap_t *vts_vobu_admap; |
751 | } ifo_handle_t; |
752 | |
753 | #endif /* LIBDVDREAD_IFO_TYPES_H */ |
754 | |