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- Committer: Package Import Robot
- Author(s): Vibhav Pant
- Date: 2012-12-15 17:06:42 UTC
- mfrom: (1.3.2) (3.2.15 sid)
- Revision ID: package-import@ubuntu.com-20121215170642-q0h4cc4r2mchkgcl
Tags: 4.2.0+20121016-1ubuntu1
* Merge from Debian unstable (LP: #1090692). Remaining changes:
- Re-add missing install-css.sh.
- debian/control: add Suggests for install-css.sh on debhelper,
fakeroot, and build-essential.
- debian/rules: install install-css.sh, leave perms executable.
- Re-add missing install-css.sh.
- debian/control: add Suggests for install-css.sh on debhelper,
fakeroot, and build-essential.
- debian/rules: install install-css.sh, leave perms executable.
- files added:
- .pc/07-segfault.patch
- .pc/07-segfault.patch/src
- autom4te.cache
- files removed:
- .pc/07-vts-tmapt.patch
- .pc/07-vts-tmapt.patch/src
- .pc/08-array.patch
- .pc/08-array.patch/src
- .pc/09-segfault.patch
- .pc/09-segfault.patch/src
- files modified:
- .pc/01-libdvdcss.patch/src/dvd_input.c
added
removed
.pc/07-vts-tmapt.patch/src/ifo_read.c
1
/*
2
* Copyright (C) 2000, 2001, 2002, 2003
3
* Björn Englund <d4bjorn@dtek.chalmers.se>,
4
* Håkan Hjort <d95hjort@dtek.chalmers.se>
5
*
6
* This file is part of libdvdread.
7
*
8
* libdvdread is free software; you can redistribute it and/or modify
9
* it under the terms of the GNU General Public License as published by
10
* the Free Software Foundation; either version 2 of the License, or
11
* (at your option) any later version.
12
*
13
* libdvdread is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16
* GNU General Public License for more details.
17
*
18
* You should have received a copy of the GNU General Public License along
19
* with libdvdread; if not, write to the Free Software Foundation, Inc.,
20
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21
*/
22
23
#include "config.h"
24
25
#include <stdio.h>
26
#include <stdlib.h>
27
#include <inttypes.h>
28
#include <string.h>
29
30
#include "bswap.h"
31
#include "dvdread/ifo_types.h"
32
#include "dvdread/ifo_read.h"
33
#include "dvdread/dvd_reader.h"
34
#include "dvdread_internal.h"
35
#include "dvdread/bitreader.h"
36
37
#ifndef DVD_BLOCK_LEN
38
#define DVD_BLOCK_LEN 2048
39
#endif
40
41
#ifndef NDEBUG
42
#define CHECK_ZERO0(arg) \
43
if(arg != 0) { \
44
fprintf(stderr, "*** Zero check failed in %s:%i\n for %s = 0x%x\n", \
45
__FILE__, __LINE__, # arg, arg); \
46
}
47
#define CHECK_ZERO(arg) \
48
if(memcmp(my_friendly_zeros, &arg, sizeof(arg))) { \
49
unsigned int i_CZ; \
50
fprintf(stderr, "*** Zero check failed in %s:%i\n for %s = 0x", \
51
__FILE__, __LINE__, # arg ); \
52
for(i_CZ = 0; i_CZ < sizeof(arg); i_CZ++) \
53
fprintf(stderr, "%02x", *((uint8_t *)&arg + i_CZ)); \
54
fprintf(stderr, "\n"); \
55
}
56
static const uint8_t my_friendly_zeros[2048];
57
#else
58
#define CHECK_ZERO0(arg) (void)(arg)
59
#define CHECK_ZERO(arg) (void)(arg)
60
#endif
61
62
63
/* Prototypes for internal functions */
64
static int ifoRead_VMG(ifo_handle_t *ifofile);
65
static int ifoRead_VTS(ifo_handle_t *ifofile);
66
static int ifoRead_PGC(ifo_handle_t *ifofile, pgc_t *pgc, unsigned int offset);
67
static int ifoRead_PGC_COMMAND_TBL(ifo_handle_t *ifofile,
68
pgc_command_tbl_t *cmd_tbl,
69
unsigned int offset);
70
static int ifoRead_PGC_PROGRAM_MAP(ifo_handle_t *ifofile,
71
pgc_program_map_t *program_map,
72
unsigned int nr, unsigned int offset);
73
static int ifoRead_CELL_PLAYBACK_TBL(ifo_handle_t *ifofile,
74
cell_playback_t *cell_playback,
75
unsigned int nr, unsigned int offset);
76
static int ifoRead_CELL_POSITION_TBL(ifo_handle_t *ifofile,
77
cell_position_t *cell_position,
78
unsigned int nr, unsigned int offset);
79
static int ifoRead_VTS_ATTRIBUTES(ifo_handle_t *ifofile,
80
vts_attributes_t *vts_attributes,
81
unsigned int offset);
82
static int ifoRead_C_ADT_internal(ifo_handle_t *ifofile, c_adt_t *c_adt,
83
unsigned int sector);
84
static int ifoRead_VOBU_ADMAP_internal(ifo_handle_t *ifofile,
85
vobu_admap_t *vobu_admap,
86
unsigned int sector);
87
static int ifoRead_PGCIT_internal(ifo_handle_t *ifofile, pgcit_t *pgcit,
88
unsigned int offset);
89
90
static void ifoFree_PGC(pgc_t *pgc);
91
static void ifoFree_PGC_COMMAND_TBL(pgc_command_tbl_t *cmd_tbl);
92
static void ifoFree_PGCIT_internal(pgcit_t *pgcit);
93
94
static inline int DVDFileSeekForce_( dvd_file_t *dvd_file, uint32_t offset, int force_size ) {
95
return (DVDFileSeekForce(dvd_file, (int)offset, force_size) == (int)offset);
96
}
97
98
static inline int DVDFileSeek_( dvd_file_t *dvd_file, uint32_t offset ) {
99
return (DVDFileSeek(dvd_file, (int)offset) == (int)offset);
100
}
101
102
static void read_video_attr(video_attr_t *va) {
103
getbits_state_t state;
104
uint8_t buf[sizeof(video_attr_t)];
105
106
memcpy(buf, va, sizeof(video_attr_t));
107
if (!dvdread_getbits_init(&state, buf)) abort();
108
va->mpeg_version = dvdread_getbits(&state, 2);
109
va->video_format = dvdread_getbits(&state, 2);
110
va->display_aspect_ratio = dvdread_getbits(&state, 2);
111
va->permitted_df = dvdread_getbits(&state, 2);
112
va->line21_cc_1 = dvdread_getbits(&state, 1);
113
va->line21_cc_2 = dvdread_getbits(&state, 1);
114
va->unknown1 = dvdread_getbits(&state, 1);
115
va->bit_rate = dvdread_getbits(&state, 1);
116
va->picture_size = dvdread_getbits(&state, 2);
117
va->letterboxed = dvdread_getbits(&state, 1);
118
va->film_mode = dvdread_getbits(&state, 1);
119
}
120
121
static void read_audio_attr(audio_attr_t *aa) {
122
getbits_state_t state;
123
uint8_t buf[sizeof(audio_attr_t)];
124
125
memcpy(buf, aa, sizeof(audio_attr_t));
126
if (!dvdread_getbits_init(&state, buf)) abort();
127
aa->audio_format = dvdread_getbits(&state, 3);
128
aa->multichannel_extension = dvdread_getbits(&state, 1);
129
aa->lang_type = dvdread_getbits(&state, 2);
130
aa->application_mode = dvdread_getbits(&state, 2);
131
aa->quantization = dvdread_getbits(&state, 2);
132
aa->sample_frequency = dvdread_getbits(&state, 2);
133
aa->unknown1 = dvdread_getbits(&state, 1);
134
aa->channels = dvdread_getbits(&state, 3);
135
aa->lang_code = dvdread_getbits(&state, 16);
136
aa->lang_extension = dvdread_getbits(&state, 8);
137
aa->code_extension = dvdread_getbits(&state, 8);
138
aa->unknown3 = dvdread_getbits(&state, 8);
139
aa->app_info.karaoke.unknown4 = dvdread_getbits(&state, 1);
140
aa->app_info.karaoke.channel_assignment = dvdread_getbits(&state, 3);
141
aa->app_info.karaoke.version = dvdread_getbits(&state, 2);
142
aa->app_info.karaoke.mc_intro = dvdread_getbits(&state, 1);
143
aa->app_info.karaoke.mode = dvdread_getbits(&state, 1);
144
}
145
146
static void read_multichannel_ext(multichannel_ext_t *me) {
147
getbits_state_t state;
148
uint8_t buf[sizeof(multichannel_ext_t)];
149
150
memcpy(buf, me, sizeof(multichannel_ext_t));
151
if (!dvdread_getbits_init(&state, buf)) abort();
152
me->zero1 = dvdread_getbits(&state, 7);
153
me->ach0_gme = dvdread_getbits(&state, 1);
154
me->zero2 = dvdread_getbits(&state, 7);
155
me->ach1_gme = dvdread_getbits(&state, 1);
156
me->zero3 = dvdread_getbits(&state, 4);
157
me->ach2_gv1e = dvdread_getbits(&state, 1);
158
me->ach2_gv2e = dvdread_getbits(&state, 1);
159
me->ach2_gm1e = dvdread_getbits(&state, 1);
160
me->ach2_gm2e = dvdread_getbits(&state, 1);
161
me->zero4 = dvdread_getbits(&state, 4);
162
me->ach3_gv1e = dvdread_getbits(&state, 1);
163
me->ach3_gv2e = dvdread_getbits(&state, 1);
164
me->ach3_gmAe = dvdread_getbits(&state, 1);
165
me->ach3_se2e = dvdread_getbits(&state, 1);
166
me->zero5 = dvdread_getbits(&state, 4);
167
me->ach4_gv1e = dvdread_getbits(&state, 1);
168
me->ach4_gv2e = dvdread_getbits(&state, 1);
169
me->ach4_gmBe = dvdread_getbits(&state, 1);
170
me->ach4_seBe = dvdread_getbits(&state, 1);
171
}
172
173
static void read_subp_attr(subp_attr_t *sa) {
174
getbits_state_t state;
175
uint8_t buf[sizeof(subp_attr_t)];
176
177
memcpy(buf, sa, sizeof(subp_attr_t));
178
if (!dvdread_getbits_init(&state, buf)) abort();
179
sa->code_mode = dvdread_getbits(&state, 3);
180
sa->zero1 = dvdread_getbits(&state, 3);
181
sa->type = dvdread_getbits(&state, 2);
182
sa->zero2 = dvdread_getbits(&state, 8);
183
sa->lang_code = dvdread_getbits(&state, 16);
184
sa->lang_extension = dvdread_getbits(&state, 8);
185
sa->code_extension = dvdread_getbits(&state, 8);
186
}
187
188
static void read_user_ops(user_ops_t *uo) {
189
getbits_state_t state;
190
uint8_t buf[sizeof(user_ops_t)];
191
192
memcpy(buf, uo, sizeof(user_ops_t));
193
if (!dvdread_getbits_init(&state, buf)) abort();
194
uo->zero = dvdread_getbits(&state, 7);
195
uo->video_pres_mode_change = dvdread_getbits(&state, 1);
196
uo->karaoke_audio_pres_mode_change = dvdread_getbits(&state, 1);
197
uo->angle_change = dvdread_getbits(&state, 1);
198
uo->subpic_stream_change = dvdread_getbits(&state, 1);
199
uo->audio_stream_change = dvdread_getbits(&state, 1);
200
uo->pause_on = dvdread_getbits(&state, 1);
201
uo->still_off = dvdread_getbits(&state, 1);
202
uo->button_select_or_activate = dvdread_getbits(&state, 1);
203
uo->resume = dvdread_getbits(&state, 1);
204
uo->chapter_menu_call = dvdread_getbits(&state, 1);
205
uo->angle_menu_call = dvdread_getbits(&state, 1);
206
uo->audio_menu_call = dvdread_getbits(&state, 1);
207
uo->subpic_menu_call = dvdread_getbits(&state, 1);
208
uo->root_menu_call = dvdread_getbits(&state, 1);
209
uo->title_menu_call = dvdread_getbits(&state, 1);
210
uo->backward_scan = dvdread_getbits(&state, 1);
211
uo->forward_scan = dvdread_getbits(&state, 1);
212
uo->next_pg_search = dvdread_getbits(&state, 1);
213
uo->prev_or_top_pg_search = dvdread_getbits(&state, 1);
214
uo->time_or_chapter_search = dvdread_getbits(&state, 1);
215
uo->go_up = dvdread_getbits(&state, 1);
216
uo->stop = dvdread_getbits(&state, 1);
217
uo->title_play = dvdread_getbits(&state, 1);
218
uo->chapter_search_or_play = dvdread_getbits(&state, 1);
219
uo->title_or_time_play = dvdread_getbits(&state, 1);
220
}
221
222
static void read_pgci_srp(pgci_srp_t *ps) {
223
getbits_state_t state;
224
uint8_t buf[sizeof(pgci_srp_t)];
225
226
memcpy(buf, ps, sizeof(pgci_srp_t));
227
if (!dvdread_getbits_init(&state, buf)) abort();
228
ps->entry_id = dvdread_getbits(&state, 8);
229
ps->block_mode = dvdread_getbits(&state, 2);
230
ps->block_type = dvdread_getbits(&state, 2);
231
ps->unknown1 = dvdread_getbits(&state, 4);
232
ps->ptl_id_mask = dvdread_getbits(&state, 16);
233
ps->pgc_start_byte = dvdread_getbits(&state, 32);
234
}
235
236
static void read_cell_playback(cell_playback_t *cp) {
237
getbits_state_t state;
238
uint8_t buf[sizeof(cell_playback_t)];
239
240
memcpy(buf, cp, sizeof(cell_playback_t));
241
if (!dvdread_getbits_init(&state, buf)) abort();
242
cp->block_mode = dvdread_getbits(&state, 2);
243
cp->block_type = dvdread_getbits(&state, 2);
244
cp->seamless_play = dvdread_getbits(&state, 1);
245
cp->interleaved = dvdread_getbits(&state, 1);
246
cp->stc_discontinuity = dvdread_getbits(&state, 1);
247
cp->seamless_angle = dvdread_getbits(&state, 1);
248
cp->playback_mode = dvdread_getbits(&state, 1);
249
cp->restricted = dvdread_getbits(&state, 1);
250
cp->unknown2 = dvdread_getbits(&state, 6);
251
cp->still_time = dvdread_getbits(&state, 8);
252
cp->cell_cmd_nr = dvdread_getbits(&state, 8);
253
254
cp->playback_time.hour = dvdread_getbits(&state, 8);
255
cp->playback_time.minute = dvdread_getbits(&state, 8);
256
cp->playback_time.second = dvdread_getbits(&state, 8);
257
cp->playback_time.frame_u = dvdread_getbits(&state, 8);
258
259
cp->first_sector = dvdread_getbits(&state, 32);
260
cp->first_ilvu_end_sector = dvdread_getbits(&state, 32);
261
cp->last_vobu_start_sector = dvdread_getbits(&state, 32);
262
cp->last_sector = dvdread_getbits(&state, 32);
263
}
264
265
static void read_playback_type(playback_type_t *pt) {
266
getbits_state_t state;
267
uint8_t buf[sizeof(playback_type_t)];
268
269
memcpy(buf, pt, sizeof(playback_type_t));
270
if (!dvdread_getbits_init(&state, buf)) abort();
271
pt->zero_1 = dvdread_getbits(&state, 1);
272
pt->multi_or_random_pgc_title = dvdread_getbits(&state, 1);
273
pt->jlc_exists_in_cell_cmd = dvdread_getbits(&state, 1);
274
pt->jlc_exists_in_prepost_cmd = dvdread_getbits(&state, 1);
275
pt->jlc_exists_in_button_cmd = dvdread_getbits(&state, 1);
276
pt->jlc_exists_in_tt_dom = dvdread_getbits(&state, 1);
277
pt->chapter_search_or_play = dvdread_getbits(&state, 1);
278
pt->title_or_time_play = dvdread_getbits(&state, 1);
279
}
280
281
static void free_ptl_mait(ptl_mait_t* ptl_mait, int num_entries) {
282
int i;
283
for (i = 0; i < num_entries; i++)
284
free(ptl_mait->countries[i].pf_ptl_mai);
285
286
free(ptl_mait->countries);
287
free(ptl_mait);
288
}
289
290
ifo_handle_t *ifoOpen(dvd_reader_t *dvd, int title) {
291
ifo_handle_t *ifofile;
292
int bup_file_opened = 0;
293
char ifo_filename[13];
294
295
ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
296
if(!ifofile)
297
return NULL;
298
299
memset(ifofile, 0, sizeof(ifo_handle_t));
300
301
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_FILE);
302
if(!ifofile->file) { /* Failed to open IFO, try to open BUP */
303
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
304
bup_file_opened = 1;
305
}
306
307
if (title)
308
snprintf(ifo_filename, 12, "VTS_%02d_0.%s", title, bup_file_opened ? "BUP" : "IFO");
309
else
310
snprintf(ifo_filename, 12, "VIDEO_TS.%s", bup_file_opened ? "BUP" : "IFO");
311
312
ifo_filename[12] = '\0';
313
314
if(!ifofile->file) {
315
fprintf(stderr, "libdvdread: Can't open file %s.\n", ifo_filename);
316
free(ifofile);
317
return NULL;
318
}
319
320
/* First check if this is a VMGI file. */
321
if(ifoRead_VMG(ifofile)) {
322
323
/* These are both mandatory. */
324
if(!ifoRead_FP_PGC(ifofile) || !ifoRead_TT_SRPT(ifofile))
325
goto ifoOpen_try_bup;
326
327
ifoRead_PGCI_UT(ifofile);
328
ifoRead_PTL_MAIT(ifofile);
329
330
/* This is also mandatory. */
331
if(!ifoRead_VTS_ATRT(ifofile))
332
goto ifoOpen_try_bup;
333
334
ifoRead_TXTDT_MGI(ifofile);
335
ifoRead_C_ADT(ifofile);
336
ifoRead_VOBU_ADMAP(ifofile);
337
338
return ifofile;
339
}
340
341
if(ifoRead_VTS(ifofile)) {
342
343
if(!ifoRead_VTS_PTT_SRPT(ifofile) || !ifoRead_PGCIT(ifofile))
344
goto ifoOpen_try_bup;
345
346
ifoRead_PGCI_UT(ifofile);
347
ifoRead_VTS_TMAPT(ifofile);
348
ifoRead_C_ADT(ifofile);
349
ifoRead_VOBU_ADMAP(ifofile);
350
351
if(!ifoRead_TITLE_C_ADT(ifofile) || !ifoRead_TITLE_VOBU_ADMAP(ifofile))
352
goto ifoOpen_try_bup;
353
354
return ifofile;
355
}
356
357
ifoOpen_try_bup:
358
if (bup_file_opened)
359
goto ifoOpen_fail;
360
361
/* Try BUP instead */
362
ifoClose(ifofile);
363
364
ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
365
if(!ifofile)
366
return NULL;
367
368
memset(ifofile, 0, sizeof(ifo_handle_t));
369
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
370
371
if (title)
372
snprintf(ifo_filename, 12, "VTS_%02d_0.BUP", title);
373
else
374
strncpy(ifo_filename, "VIDEO_TS.BUP", 12);
375
376
if (!ifofile->file) {
377
fprintf(stderr, "libdvdread: Can't open file %s.\n", ifo_filename);
378
free(ifofile);
379
return NULL;
380
}
381
bup_file_opened = 1;
382
383
/* First check if this is a VMGI file. */
384
if(ifoRead_VMG(ifofile)) {
385
386
/* These are both mandatory. */
387
if(!ifoRead_FP_PGC(ifofile) || !ifoRead_TT_SRPT(ifofile))
388
goto ifoOpen_fail;
389
390
ifoRead_PGCI_UT(ifofile);
391
ifoRead_PTL_MAIT(ifofile);
392
393
/* This is also mandatory. */
394
if(!ifoRead_VTS_ATRT(ifofile))
395
goto ifoOpen_fail;
396
397
ifoRead_TXTDT_MGI(ifofile);
398
ifoRead_C_ADT(ifofile);
399
ifoRead_VOBU_ADMAP(ifofile);
400
401
return ifofile;
402
}
403
404
if(ifoRead_VTS(ifofile)) {
405
406
if(!ifoRead_VTS_PTT_SRPT(ifofile) || !ifoRead_PGCIT(ifofile))
407
goto ifoOpen_fail;
408
409
ifoRead_PGCI_UT(ifofile);
410
ifoRead_VTS_TMAPT(ifofile);
411
ifoRead_C_ADT(ifofile);
412
ifoRead_VOBU_ADMAP(ifofile);
413
414
if(!ifoRead_TITLE_C_ADT(ifofile) || !ifoRead_TITLE_VOBU_ADMAP(ifofile))
415
goto ifoOpen_fail;
416
417
return ifofile;
418
}
419
420
ifoOpen_fail:
421
fprintf(stderr, "libdvdread: Invalid IFO for title %d (%s).\n", title, ifo_filename);
422
ifoClose(ifofile);
423
return NULL;
424
}
425
426
427
ifo_handle_t *ifoOpenVMGI(dvd_reader_t *dvd) {
428
ifo_handle_t *ifofile;
429
430
ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
431
if(!ifofile)
432
return NULL;
433
434
memset(ifofile, 0, sizeof(ifo_handle_t));
435
436
ifofile->file = DVDOpenFile(dvd, 0, DVD_READ_INFO_FILE);
437
if(!ifofile->file) /* Should really catch any error and try to fallback */
438
ifofile->file = DVDOpenFile(dvd, 0, DVD_READ_INFO_BACKUP_FILE);
439
if(!ifofile->file) {
440
fprintf(stderr, "libdvdread: Can't open file VIDEO_TS.IFO.\n");
441
free(ifofile);
442
return NULL;
443
}
444
445
if(ifoRead_VMG(ifofile))
446
return ifofile;
447
448
fprintf(stderr, "libdvdread,ifoOpenVMGI(): Invalid main menu IFO (VIDEO_TS.IFO).\n");
449
ifoClose(ifofile);
450
return NULL;
451
}
452
453
454
ifo_handle_t *ifoOpenVTSI(dvd_reader_t *dvd, int title) {
455
ifo_handle_t *ifofile;
456
457
ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
458
if(!ifofile)
459
return NULL;
460
461
memset(ifofile, 0, sizeof(ifo_handle_t));
462
463
if(title <= 0 || title > 99) {
464
fprintf(stderr, "libdvdread: ifoOpenVTSI invalid title (%d).\n", title);
465
free(ifofile);
466
return NULL;
467
}
468
469
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_FILE);
470
if(!ifofile->file) /* Should really catch any error and try to fallback */
471
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
472
if(!ifofile->file) {
473
fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.IFO.\n", title);
474
free(ifofile);
475
return NULL;
476
}
477
478
if(ifoRead_VTS(ifofile) && ifofile->vtsi_mat)
479
return ifofile;
480
481
fprintf(stderr, "libdvdread: Invalid IFO for title %d (VTS_%02d_0.IFO).\n",
482
title, title);
483
ifoClose(ifofile);
484
return NULL;
485
}
486
487
488
void ifoClose(ifo_handle_t *ifofile) {
489
if(!ifofile)
490
return;
491
492
ifoFree_VOBU_ADMAP(ifofile);
493
ifoFree_TITLE_VOBU_ADMAP(ifofile);
494
ifoFree_C_ADT(ifofile);
495
ifoFree_TITLE_C_ADT(ifofile);
496
ifoFree_TXTDT_MGI(ifofile);
497
ifoFree_VTS_ATRT(ifofile);
498
ifoFree_PTL_MAIT(ifofile);
499
ifoFree_PGCI_UT(ifofile);
500
ifoFree_TT_SRPT(ifofile);
501
ifoFree_FP_PGC(ifofile);
502
ifoFree_PGCIT(ifofile);
503
ifoFree_VTS_PTT_SRPT(ifofile);
504
ifoFree_VTS_TMAPT(ifofile);
505
506
if(ifofile->vmgi_mat)
507
free(ifofile->vmgi_mat);
508
509
if(ifofile->vtsi_mat)
510
free(ifofile->vtsi_mat);
511
512
DVDCloseFile(ifofile->file);
513
ifofile->file = 0;
514
free(ifofile);
515
ifofile = 0;
516
}
517
518
519
static int ifoRead_VMG(ifo_handle_t *ifofile) {
520
vmgi_mat_t *vmgi_mat;
521
522
vmgi_mat = (vmgi_mat_t *)malloc(sizeof(vmgi_mat_t));
523
if(!vmgi_mat)
524
return 0;
525
526
ifofile->vmgi_mat = vmgi_mat;
527
528
if(!DVDFileSeek_(ifofile->file, 0)) {
529
free(ifofile->vmgi_mat);
530
ifofile->vmgi_mat = 0;
531
return 0;
532
}
533
534
if(!DVDReadBytes(ifofile->file, vmgi_mat, sizeof(vmgi_mat_t))) {
535
free(ifofile->vmgi_mat);
536
ifofile->vmgi_mat = 0;
537
return 0;
538
}
539
540
if(strncmp("DVDVIDEO-VMG", vmgi_mat->vmg_identifier, 12) != 0) {
541
free(ifofile->vmgi_mat);
542
ifofile->vmgi_mat = 0;
543
return 0;
544
}
545
546
B2N_32(vmgi_mat->vmg_last_sector);
547
B2N_32(vmgi_mat->vmgi_last_sector);
548
B2N_32(vmgi_mat->vmg_category);
549
B2N_16(vmgi_mat->vmg_nr_of_volumes);
550
B2N_16(vmgi_mat->vmg_this_volume_nr);
551
B2N_16(vmgi_mat->vmg_nr_of_title_sets);
552
B2N_64(vmgi_mat->vmg_pos_code);
553
B2N_32(vmgi_mat->vmgi_last_byte);
554
B2N_32(vmgi_mat->first_play_pgc);
555
B2N_32(vmgi_mat->vmgm_vobs);
556
B2N_32(vmgi_mat->tt_srpt);
557
B2N_32(vmgi_mat->vmgm_pgci_ut);
558
B2N_32(vmgi_mat->ptl_mait);
559
B2N_32(vmgi_mat->vts_atrt);
560
B2N_32(vmgi_mat->txtdt_mgi);
561
B2N_32(vmgi_mat->vmgm_c_adt);
562
B2N_32(vmgi_mat->vmgm_vobu_admap);
563
read_video_attr(&vmgi_mat->vmgm_video_attr);
564
read_audio_attr(&vmgi_mat->vmgm_audio_attr);
565
read_subp_attr(&vmgi_mat->vmgm_subp_attr);
566
567
568
CHECK_ZERO(vmgi_mat->zero_1);
569
CHECK_ZERO(vmgi_mat->zero_2);
570
CHECK_ZERO(vmgi_mat->zero_3);
571
CHECK_ZERO(vmgi_mat->zero_4);
572
CHECK_ZERO(vmgi_mat->zero_5);
573
CHECK_ZERO(vmgi_mat->zero_6);
574
CHECK_ZERO(vmgi_mat->zero_7);
575
CHECK_ZERO(vmgi_mat->zero_8);
576
CHECK_ZERO(vmgi_mat->zero_9);
577
CHECK_ZERO(vmgi_mat->zero_10);
578
CHECK_VALUE(vmgi_mat->vmg_last_sector != 0);
579
CHECK_VALUE(vmgi_mat->vmgi_last_sector != 0);
580
CHECK_VALUE(vmgi_mat->vmgi_last_sector * 2 <= vmgi_mat->vmg_last_sector);
581
CHECK_VALUE(vmgi_mat->vmgi_last_sector * 2 <= vmgi_mat->vmg_last_sector);
582
CHECK_VALUE(vmgi_mat->vmg_nr_of_volumes != 0);
583
CHECK_VALUE(vmgi_mat->vmg_this_volume_nr != 0);
584
CHECK_VALUE(vmgi_mat->vmg_this_volume_nr <= vmgi_mat->vmg_nr_of_volumes);
585
CHECK_VALUE(vmgi_mat->disc_side == 1 || vmgi_mat->disc_side == 2);
586
CHECK_VALUE(vmgi_mat->vmg_nr_of_title_sets != 0);
587
CHECK_VALUE(vmgi_mat->vmgi_last_byte >= 341);
588
CHECK_VALUE(vmgi_mat->vmgi_last_byte / DVD_BLOCK_LEN <=
589
vmgi_mat->vmgi_last_sector);
590
/* It seems that first_play_pgc is optional. */
591
CHECK_VALUE(vmgi_mat->first_play_pgc < vmgi_mat->vmgi_last_byte);
592
CHECK_VALUE(vmgi_mat->vmgm_vobs == 0 ||
593
(vmgi_mat->vmgm_vobs > vmgi_mat->vmgi_last_sector &&
594
vmgi_mat->vmgm_vobs < vmgi_mat->vmg_last_sector));
595
CHECK_VALUE(vmgi_mat->tt_srpt <= vmgi_mat->vmgi_last_sector);
596
CHECK_VALUE(vmgi_mat->vmgm_pgci_ut <= vmgi_mat->vmgi_last_sector);
597
CHECK_VALUE(vmgi_mat->ptl_mait <= vmgi_mat->vmgi_last_sector);
598
CHECK_VALUE(vmgi_mat->vts_atrt <= vmgi_mat->vmgi_last_sector);
599
CHECK_VALUE(vmgi_mat->txtdt_mgi <= vmgi_mat->vmgi_last_sector);
600
CHECK_VALUE(vmgi_mat->vmgm_c_adt <= vmgi_mat->vmgi_last_sector);
601
CHECK_VALUE(vmgi_mat->vmgm_vobu_admap <= vmgi_mat->vmgi_last_sector);
602
603
CHECK_VALUE(vmgi_mat->nr_of_vmgm_audio_streams <= 1);
604
CHECK_VALUE(vmgi_mat->nr_of_vmgm_subp_streams <= 1);
605
606
return 1;
607
}
608
609
610
static int ifoRead_VTS(ifo_handle_t *ifofile) {
611
vtsi_mat_t *vtsi_mat;
612
int i;
613
614
vtsi_mat = (vtsi_mat_t *)malloc(sizeof(vtsi_mat_t));
615
if(!vtsi_mat)
616
return 0;
617
618
ifofile->vtsi_mat = vtsi_mat;
619
620
if(!DVDFileSeek_(ifofile->file, 0)) {
621
free(ifofile->vtsi_mat);
622
ifofile->vtsi_mat = NULL;
623
return 0;
624
}
625
626
if(!(DVDReadBytes(ifofile->file, vtsi_mat, sizeof(vtsi_mat_t)))) {
627
free(ifofile->vtsi_mat);
628
ifofile->vtsi_mat = NULL;
629
return 0;
630
}
631
632
if(strncmp("DVDVIDEO-VTS", vtsi_mat->vts_identifier, 12) != 0) {
633
free(ifofile->vtsi_mat);
634
ifofile->vtsi_mat = NULL;
635
return 0;
636
}
637
638
read_video_attr(&vtsi_mat->vtsm_video_attr);
639
read_video_attr(&vtsi_mat->vts_video_attr);
640
read_audio_attr(&vtsi_mat->vtsm_audio_attr);
641
for(i=0; i<8; i++)
642
read_audio_attr(&vtsi_mat->vts_audio_attr[i]);
643
read_subp_attr(&vtsi_mat->vtsm_subp_attr);
644
for(i=0; i<32; i++)
645
read_subp_attr(&vtsi_mat->vts_subp_attr[i]);
646
B2N_32(vtsi_mat->vts_last_sector);
647
B2N_32(vtsi_mat->vtsi_last_sector);
648
B2N_32(vtsi_mat->vts_category);
649
B2N_32(vtsi_mat->vtsi_last_byte);
650
B2N_32(vtsi_mat->vtsm_vobs);
651
B2N_32(vtsi_mat->vtstt_vobs);
652
B2N_32(vtsi_mat->vts_ptt_srpt);
653
B2N_32(vtsi_mat->vts_pgcit);
654
B2N_32(vtsi_mat->vtsm_pgci_ut);
655
B2N_32(vtsi_mat->vts_tmapt);
656
B2N_32(vtsi_mat->vtsm_c_adt);
657
B2N_32(vtsi_mat->vtsm_vobu_admap);
658
B2N_32(vtsi_mat->vts_c_adt);
659
B2N_32(vtsi_mat->vts_vobu_admap);
660
661
662
CHECK_ZERO(vtsi_mat->zero_1);
663
CHECK_ZERO(vtsi_mat->zero_2);
664
CHECK_ZERO(vtsi_mat->zero_3);
665
CHECK_ZERO(vtsi_mat->zero_4);
666
CHECK_ZERO(vtsi_mat->zero_5);
667
CHECK_ZERO(vtsi_mat->zero_6);
668
CHECK_ZERO(vtsi_mat->zero_7);
669
CHECK_ZERO(vtsi_mat->zero_8);
670
CHECK_ZERO(vtsi_mat->zero_9);
671
CHECK_ZERO(vtsi_mat->zero_10);
672
CHECK_ZERO(vtsi_mat->zero_11);
673
CHECK_ZERO(vtsi_mat->zero_12);
674
CHECK_ZERO(vtsi_mat->zero_13);
675
CHECK_ZERO(vtsi_mat->zero_14);
676
CHECK_ZERO(vtsi_mat->zero_15);
677
CHECK_ZERO(vtsi_mat->zero_16);
678
CHECK_ZERO(vtsi_mat->zero_17);
679
CHECK_ZERO(vtsi_mat->zero_18);
680
CHECK_ZERO(vtsi_mat->zero_19);
681
CHECK_ZERO(vtsi_mat->zero_20);
682
CHECK_ZERO(vtsi_mat->zero_21);
683
CHECK_VALUE(vtsi_mat->vtsi_last_sector*2 <= vtsi_mat->vts_last_sector);
684
CHECK_VALUE(vtsi_mat->vtsi_last_byte/DVD_BLOCK_LEN <= vtsi_mat->vtsi_last_sector);
685
CHECK_VALUE(vtsi_mat->vtsm_vobs == 0 ||
686
(vtsi_mat->vtsm_vobs > vtsi_mat->vtsi_last_sector &&
687
vtsi_mat->vtsm_vobs < vtsi_mat->vts_last_sector));
688
CHECK_VALUE(vtsi_mat->vtstt_vobs == 0 ||
689
(vtsi_mat->vtstt_vobs > vtsi_mat->vtsi_last_sector &&
690
vtsi_mat->vtstt_vobs < vtsi_mat->vts_last_sector));
691
CHECK_VALUE(vtsi_mat->vts_ptt_srpt <= vtsi_mat->vtsi_last_sector);
692
CHECK_VALUE(vtsi_mat->vts_pgcit <= vtsi_mat->vtsi_last_sector);
693
CHECK_VALUE(vtsi_mat->vtsm_pgci_ut <= vtsi_mat->vtsi_last_sector);
694
CHECK_VALUE(vtsi_mat->vts_tmapt <= vtsi_mat->vtsi_last_sector);
695
CHECK_VALUE(vtsi_mat->vtsm_c_adt <= vtsi_mat->vtsi_last_sector);
696
CHECK_VALUE(vtsi_mat->vtsm_vobu_admap <= vtsi_mat->vtsi_last_sector);
697
CHECK_VALUE(vtsi_mat->vts_c_adt <= vtsi_mat->vtsi_last_sector);
698
CHECK_VALUE(vtsi_mat->vts_vobu_admap <= vtsi_mat->vtsi_last_sector);
699
700
CHECK_VALUE(vtsi_mat->nr_of_vtsm_audio_streams <= 1);
701
CHECK_VALUE(vtsi_mat->nr_of_vtsm_subp_streams <= 1);
702
703
CHECK_VALUE(vtsi_mat->nr_of_vts_audio_streams <= 8);
704
for(i = vtsi_mat->nr_of_vts_audio_streams; i < 8; i++)
705
CHECK_ZERO(vtsi_mat->vts_audio_attr[i]);
706
707
CHECK_VALUE(vtsi_mat->nr_of_vts_subp_streams <= 32);
708
for(i = vtsi_mat->nr_of_vts_subp_streams; i < 32; i++)
709
CHECK_ZERO(vtsi_mat->vts_subp_attr[i]);
710
711
for(i = 0; i < 8; i++) {
712
read_multichannel_ext(&vtsi_mat->vts_mu_audio_attr[i]);
713
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero1);
714
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero2);
715
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero3);
716
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero4);
717
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero5);
718
CHECK_ZERO(vtsi_mat->vts_mu_audio_attr[i].zero6);
719
}
720
721
return 1;
722
}
723
724
725
static int ifoRead_PGC_COMMAND_TBL(ifo_handle_t *ifofile,
726
pgc_command_tbl_t *cmd_tbl,
727
unsigned int offset) {
728
729
memset(cmd_tbl, 0, sizeof(pgc_command_tbl_t));
730
731
if(!DVDFileSeek_(ifofile->file, offset))
732
return 0;
733
734
if(!(DVDReadBytes(ifofile->file, cmd_tbl, PGC_COMMAND_TBL_SIZE)))
735
return 0;
736
737
B2N_16(cmd_tbl->nr_of_pre);
738
B2N_16(cmd_tbl->nr_of_post);
739
B2N_16(cmd_tbl->nr_of_cell);
740
741
CHECK_VALUE(cmd_tbl->nr_of_pre + cmd_tbl->nr_of_post + cmd_tbl->nr_of_cell<= 255);
742
743
if(cmd_tbl->nr_of_pre != 0) {
744
unsigned int pre_cmds_size = cmd_tbl->nr_of_pre * COMMAND_DATA_SIZE;
745
cmd_tbl->pre_cmds = (vm_cmd_t *)malloc(pre_cmds_size);
746
if(!cmd_tbl->pre_cmds)
747
return 0;
748
749
if(!(DVDReadBytes(ifofile->file, cmd_tbl->pre_cmds, pre_cmds_size))) {
750
free(cmd_tbl->pre_cmds);
751
return 0;
752
}
753
}
754
755
if(cmd_tbl->nr_of_post != 0) {
756
unsigned int post_cmds_size = cmd_tbl->nr_of_post * COMMAND_DATA_SIZE;
757
cmd_tbl->post_cmds = (vm_cmd_t *)malloc(post_cmds_size);
758
if(!cmd_tbl->post_cmds) {
759
if(cmd_tbl->pre_cmds)
760
free(cmd_tbl->pre_cmds);
761
return 0;
762
}
763
if(!(DVDReadBytes(ifofile->file, cmd_tbl->post_cmds, post_cmds_size))) {
764
if(cmd_tbl->pre_cmds)
765
free(cmd_tbl->pre_cmds);
766
free(cmd_tbl->post_cmds);
767
return 0;
768
}
769
}
770
771
if(cmd_tbl->nr_of_cell != 0) {
772
unsigned int cell_cmds_size = cmd_tbl->nr_of_cell * COMMAND_DATA_SIZE;
773
cmd_tbl->cell_cmds = (vm_cmd_t *)malloc(cell_cmds_size);
774
if(!cmd_tbl->cell_cmds) {
775
if(cmd_tbl->pre_cmds)
776
free(cmd_tbl->pre_cmds);
777
if(cmd_tbl->post_cmds)
778
free(cmd_tbl->post_cmds);
779
return 0;
780
}
781
if(!(DVDReadBytes(ifofile->file, cmd_tbl->cell_cmds, cell_cmds_size))) {
782
if(cmd_tbl->pre_cmds)
783
free(cmd_tbl->pre_cmds);
784
if(cmd_tbl->post_cmds)
785
free(cmd_tbl->post_cmds);
786
free(cmd_tbl->cell_cmds);
787
return 0;
788
}
789
}
790
791
/*
792
* Make a run over all the commands and see that we can interpret them all?
793
*/
794
return 1;
795
}
796
797
798
static void ifoFree_PGC_COMMAND_TBL(pgc_command_tbl_t *cmd_tbl) {
799
if(cmd_tbl) {
800
if(cmd_tbl->nr_of_pre && cmd_tbl->pre_cmds)
801
free(cmd_tbl->pre_cmds);
802
if(cmd_tbl->nr_of_post && cmd_tbl->post_cmds)
803
free(cmd_tbl->post_cmds);
804
if(cmd_tbl->nr_of_cell && cmd_tbl->cell_cmds)
805
free(cmd_tbl->cell_cmds);
806
free(cmd_tbl);
807
}
808
}
809
810
static int ifoRead_PGC_PROGRAM_MAP(ifo_handle_t *ifofile,
811
pgc_program_map_t *program_map,
812
unsigned int nr, unsigned int offset) {
813
unsigned int size = nr * sizeof(pgc_program_map_t);
814
815
if(!DVDFileSeek_(ifofile->file, offset))
816
return 0;
817
818
if(!(DVDReadBytes(ifofile->file, program_map, size)))
819
return 0;
820
821
return 1;
822
}
823
824
static int ifoRead_CELL_PLAYBACK_TBL(ifo_handle_t *ifofile,
825
cell_playback_t *cell_playback,
826
unsigned int nr, unsigned int offset) {
827
unsigned int i;
828
unsigned int size = nr * sizeof(cell_playback_t);
829
830
if(!DVDFileSeek_(ifofile->file, offset))
831
return 0;
832
833
if(!(DVDReadBytes(ifofile->file, cell_playback, size)))
834
return 0;
835
836
for(i = 0; i < nr; i++) {
837
read_cell_playback(&cell_playback[i]);
838
/* Changed < to <= because this was false in the movie 'Pi'. */
839
CHECK_VALUE(cell_playback[i].last_vobu_start_sector <=
840
cell_playback[i].last_sector);
841
CHECK_VALUE(cell_playback[i].first_sector <=
842
cell_playback[i].last_vobu_start_sector);
843
}
844
845
return 1;
846
}
847
848
849
static int ifoRead_CELL_POSITION_TBL(ifo_handle_t *ifofile,
850
cell_position_t *cell_position,
851
unsigned int nr, unsigned int offset) {
852
unsigned int i;
853
unsigned int size = nr * sizeof(cell_position_t);
854
855
if(!DVDFileSeek_(ifofile->file, offset))
856
return 0;
857
858
if(!(DVDReadBytes(ifofile->file, cell_position, size)))
859
return 0;
860
861
for(i = 0; i < nr; i++) {
862
B2N_16(cell_position[i].vob_id_nr);
863
CHECK_ZERO(cell_position[i].zero_1);
864
}
865
866
return 1;
867
}
868
869
static int ifoRead_PGC(ifo_handle_t *ifofile, pgc_t *pgc, unsigned int offset) {
870
unsigned int i;
871
872
if(!DVDFileSeek_(ifofile->file, offset))
873
return 0;
874
875
if(!(DVDReadBytes(ifofile->file, pgc, PGC_SIZE)))
876
return 0;
877
878
read_user_ops(&pgc->prohibited_ops);
879
B2N_16(pgc->next_pgc_nr);
880
B2N_16(pgc->prev_pgc_nr);
881
B2N_16(pgc->goup_pgc_nr);
882
B2N_16(pgc->command_tbl_offset);
883
B2N_16(pgc->program_map_offset);
884
B2N_16(pgc->cell_playback_offset);
885
B2N_16(pgc->cell_position_offset);
886
887
for(i = 0; i < 8; i++)
888
B2N_16(pgc->audio_control[i]);
889
for(i = 0; i < 32; i++)
890
B2N_32(pgc->subp_control[i]);
891
for(i = 0; i < 16; i++)
892
B2N_32(pgc->palette[i]);
893
894
CHECK_ZERO(pgc->zero_1);
895
CHECK_VALUE(pgc->nr_of_programs <= pgc->nr_of_cells);
896
897
/* verify time (look at print_time) */
898
for(i = 0; i < 8; i++)
899
if(!(pgc->audio_control[i] & 0x8000)) /* The 'is present' bit */
900
CHECK_ZERO(pgc->audio_control[i]);
901
for(i = 0; i < 32; i++)
902
if(!(pgc->subp_control[i] & 0x80000000)) /* The 'is present' bit */
903
CHECK_ZERO(pgc->subp_control[i]);
904
905
/* Check that time is 0:0:0:0 also if nr_of_programs == 0 */
906
if(pgc->nr_of_programs == 0) {
907
CHECK_ZERO(pgc->still_time);
908
CHECK_ZERO(pgc->pg_playback_mode); /* ?? */
909
CHECK_VALUE(pgc->program_map_offset == 0);
910
CHECK_VALUE(pgc->cell_playback_offset == 0);
911
CHECK_VALUE(pgc->cell_position_offset == 0);
912
} else {
913
CHECK_VALUE(pgc->program_map_offset != 0);
914
CHECK_VALUE(pgc->cell_playback_offset != 0);
915
CHECK_VALUE(pgc->cell_position_offset != 0);
916
}
917
918
if(pgc->command_tbl_offset != 0) {
919
pgc->command_tbl = malloc(sizeof(pgc_command_tbl_t));
920
if(!pgc->command_tbl)
921
return 0;
922
923
if(!ifoRead_PGC_COMMAND_TBL(ifofile, pgc->command_tbl,
924
offset + pgc->command_tbl_offset)) {
925
free(pgc->command_tbl);
926
return 0;
927
}
928
} else {
929
pgc->command_tbl = NULL;
930
}
931
932
if(pgc->program_map_offset != 0 && pgc->nr_of_programs>0) {
933
pgc->program_map = malloc(pgc->nr_of_programs * sizeof(pgc_program_map_t));
934
if(!pgc->program_map) {
935
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
936
return 0;
937
}
938
if(!ifoRead_PGC_PROGRAM_MAP(ifofile, pgc->program_map,pgc->nr_of_programs,
939
offset + pgc->program_map_offset)) {
940
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
941
free(pgc->program_map);
942
return 0;
943
}
944
} else {
945
pgc->program_map = NULL;
946
}
947
948
if(pgc->cell_playback_offset != 0 && pgc->nr_of_cells>0) {
949
pgc->cell_playback = malloc(pgc->nr_of_cells * sizeof(cell_playback_t));
950
if(!pgc->cell_playback) {
951
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
952
if(pgc->program_map)
953
free(pgc->program_map);
954
return 0;
955
}
956
if(!ifoRead_CELL_PLAYBACK_TBL(ifofile, pgc->cell_playback,
957
pgc->nr_of_cells,
958
offset + pgc->cell_playback_offset)) {
959
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
960
if(pgc->program_map)
961
free(pgc->program_map);
962
free(pgc->cell_playback);
963
return 0;
964
}
965
} else {
966
pgc->cell_playback = NULL;
967
}
968
969
if(pgc->cell_position_offset != 0 && pgc->nr_of_cells>0) {
970
pgc->cell_position = malloc(pgc->nr_of_cells * sizeof(cell_position_t));
971
if(!pgc->cell_position) {
972
ifoFree_PGC(pgc);
973
return 0;
974
}
975
if(!ifoRead_CELL_POSITION_TBL(ifofile, pgc->cell_position,
976
pgc->nr_of_cells,
977
offset + pgc->cell_position_offset)) {
978
ifoFree_PGC(pgc);
979
return 0;
980
}
981
} else {
982
pgc->cell_position = NULL;
983
}
984
985
return 1;
986
}
987
988
int ifoRead_FP_PGC(ifo_handle_t *ifofile) {
989
990
if(!ifofile)
991
return 0;
992
993
if(!ifofile->vmgi_mat)
994
return 0;
995
996
/* It seems that first_play_pgc is optional after all. */
997
ifofile->first_play_pgc = 0;
998
if(ifofile->vmgi_mat->first_play_pgc == 0)
999
return 1;
1000
1001
ifofile->first_play_pgc = (pgc_t *)malloc(sizeof(pgc_t));
1002
if(!ifofile->first_play_pgc)
1003
return 0;
1004
1005
if(!ifoRead_PGC(ifofile, ifofile->first_play_pgc,
1006
ifofile->vmgi_mat->first_play_pgc)) {
1007
free(ifofile->first_play_pgc);
1008
ifofile->first_play_pgc = 0;
1009
return 0;
1010
}
1011
1012
return 1;
1013
}
1014
1015
static void ifoFree_PGC(pgc_t *pgc) {
1016
if(pgc) {
1017
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
1018
if(pgc->program_map)
1019
free(pgc->program_map);
1020
if(pgc->cell_playback)
1021
free(pgc->cell_playback);
1022
if(pgc->cell_position)
1023
free(pgc->cell_position);
1024
}
1025
}
1026
1027
void ifoFree_FP_PGC(ifo_handle_t *ifofile) {
1028
if(!ifofile)
1029
return;
1030
1031
if(ifofile->first_play_pgc) {
1032
ifoFree_PGC(ifofile->first_play_pgc);
1033
free(ifofile->first_play_pgc);
1034
ifofile->first_play_pgc = 0;
1035
}
1036
}
1037
1038
1039
int ifoRead_TT_SRPT(ifo_handle_t *ifofile) {
1040
tt_srpt_t *tt_srpt;
1041
int i, info_length;
1042
1043
if(!ifofile)
1044
return 0;
1045
1046
if(!ifofile->vmgi_mat)
1047
return 0;
1048
1049
if(ifofile->vmgi_mat->tt_srpt == 0) /* mandatory */
1050
return 0;
1051
1052
if(!DVDFileSeek_(ifofile->file, ifofile->vmgi_mat->tt_srpt * DVD_BLOCK_LEN))
1053
return 0;
1054
1055
tt_srpt = (tt_srpt_t *)malloc(sizeof(tt_srpt_t));
1056
if(!tt_srpt)
1057
return 0;
1058
1059
ifofile->tt_srpt = tt_srpt;
1060
1061
if(!(DVDReadBytes(ifofile->file, tt_srpt, TT_SRPT_SIZE))) {
1062
fprintf(stderr, "libdvdread: Unable to read read TT_SRPT.\n");
1063
free(tt_srpt);
1064
return 0;
1065
}
1066
1067
B2N_16(tt_srpt->nr_of_srpts);
1068
B2N_32(tt_srpt->last_byte);
1069
1070
info_length = tt_srpt->last_byte + 1 - TT_SRPT_SIZE;
1071
1072
tt_srpt->title = (title_info_t *)malloc(info_length);
1073
if(!tt_srpt->title) {
1074
free(tt_srpt);
1075
ifofile->tt_srpt = 0;
1076
return 0;
1077
}
1078
if(!(DVDReadBytes(ifofile->file, tt_srpt->title, info_length))) {
1079
fprintf(stderr, "libdvdread: Unable to read read TT_SRPT.\n");
1080
ifoFree_TT_SRPT(ifofile);
1081
return 0;
1082
}
1083
1084
for(i = 0; i < tt_srpt->nr_of_srpts; i++) {
1085
B2N_16(tt_srpt->title[i].nr_of_ptts);
1086
B2N_16(tt_srpt->title[i].parental_id);
1087
B2N_32(tt_srpt->title[i].title_set_sector);
1088
}
1089
1090
1091
CHECK_ZERO(tt_srpt->zero_1);
1092
CHECK_VALUE(tt_srpt->nr_of_srpts != 0);
1093
CHECK_VALUE(tt_srpt->nr_of_srpts < 100); /* ?? */
1094
CHECK_VALUE((int)tt_srpt->nr_of_srpts * sizeof(title_info_t) <= info_length);
1095
1096
for(i = 0; i < tt_srpt->nr_of_srpts; i++) {
1097
read_playback_type(&tt_srpt->title[i].pb_ty);
1098
CHECK_VALUE(tt_srpt->title[i].pb_ty.zero_1 == 0);
1099
CHECK_VALUE(tt_srpt->title[i].nr_of_angles != 0);
1100
CHECK_VALUE(tt_srpt->title[i].nr_of_angles < 10);
1101
/* CHECK_VALUE(tt_srpt->title[i].nr_of_ptts != 0); */
1102
/* XXX: this assertion breaks Ghostbusters: */
1103
CHECK_VALUE(tt_srpt->title[i].nr_of_ptts < 1000); /* ?? */
1104
CHECK_VALUE(tt_srpt->title[i].title_set_nr != 0);
1105
CHECK_VALUE(tt_srpt->title[i].title_set_nr < 100); /* ?? */
1106
CHECK_VALUE(tt_srpt->title[i].vts_ttn != 0);
1107
CHECK_VALUE(tt_srpt->title[i].vts_ttn < 100); /* ?? */
1108
/* CHECK_VALUE(tt_srpt->title[i].title_set_sector != 0); */
1109
}
1110
1111
/* Make this a function */
1112
#if 0
1113
if(memcmp((uint8_t *)tt_srpt->title +
1114
tt_srpt->nr_of_srpts * sizeof(title_info_t),
1115
my_friendly_zeros,
1116
info_length - tt_srpt->nr_of_srpts * sizeof(title_info_t))) {
1117
fprintf(stderr, "VMG_PTT_SRPT slack is != 0, ");
1118
hexdump((uint8_t *)tt_srpt->title +
1119
tt_srpt->nr_of_srpts * sizeof(title_info_t),
1120
info_length - tt_srpt->nr_of_srpts * sizeof(title_info_t));
1121
}
1122
#endif
1123
1124
return 1;
1125
}
1126
1127
1128
void ifoFree_TT_SRPT(ifo_handle_t *ifofile) {
1129
if(!ifofile)
1130
return;
1131
1132
if(ifofile->tt_srpt) {
1133
free(ifofile->tt_srpt->title);
1134
free(ifofile->tt_srpt);
1135
ifofile->tt_srpt = 0;
1136
}
1137
}
1138
1139
1140
int ifoRead_VTS_PTT_SRPT(ifo_handle_t *ifofile) {
1141
vts_ptt_srpt_t *vts_ptt_srpt = NULL;
1142
int info_length, i, j;
1143
uint32_t *data = NULL;
1144
1145
if(!ifofile)
1146
return 0;
1147
1148
if(!ifofile->vtsi_mat)
1149
return 0;
1150
1151
if(ifofile->vtsi_mat->vts_ptt_srpt == 0) /* mandatory */
1152
return 0;
1153
1154
if(!DVDFileSeek_(ifofile->file,
1155
ifofile->vtsi_mat->vts_ptt_srpt * DVD_BLOCK_LEN))
1156
return 0;
1157
1158
vts_ptt_srpt = malloc(sizeof(vts_ptt_srpt_t));
1159
if(!vts_ptt_srpt)
1160
return 0;
1161
1162
vts_ptt_srpt->title = NULL;
1163
ifofile->vts_ptt_srpt = vts_ptt_srpt;
1164
1165
if(!(DVDReadBytes(ifofile->file, vts_ptt_srpt, VTS_PTT_SRPT_SIZE))) {
1166
fprintf(stderr, "libdvdread: Unable to read PTT search table.\n");
1167
goto fail;
1168
}
1169
1170
B2N_16(vts_ptt_srpt->nr_of_srpts);
1171
B2N_32(vts_ptt_srpt->last_byte);
1172
1173
CHECK_ZERO(vts_ptt_srpt->zero_1);
1174
CHECK_VALUE(vts_ptt_srpt->nr_of_srpts != 0);
1175
CHECK_VALUE(vts_ptt_srpt->nr_of_srpts < 100); /* ?? */
1176
1177
info_length = vts_ptt_srpt->last_byte + 1 - VTS_PTT_SRPT_SIZE;
1178
data = malloc(info_length);
1179
if(!data)
1180
goto fail;
1181
1182
if(!(DVDReadBytes(ifofile->file, data, info_length))) {
1183
fprintf(stderr, "libdvdread: Unable to read PTT search table.\n");
1184
goto fail;
1185
}
1186
1187
if(vts_ptt_srpt->nr_of_srpts > info_length / sizeof(*data)) {
1188
fprintf(stderr, "libdvdread: PTT search table too small.\n");
1189
goto fail;
1190
}
1191
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
1192
/* Transformers 3 has PTT start bytes that point outside the SRPT PTT */
1193
uint32_t start = data[i];
1194
B2N_32(start);
1195
if(start + sizeof(ptt_info_t) > vts_ptt_srpt->last_byte + 1) {
1196
/* don't mess with any bytes beyond the end of the allocation */
1197
vts_ptt_srpt->nr_of_srpts = i;
1198
break;
1199
}
1200
data[i] = start;
1201
/* assert(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1);
1202
Magic Knight Rayearth Daybreak is mastered very strange and has
1203
Titles with 0 PTTs. They all have a data[i] offsets beyond the end of
1204
of the vts_ptt_srpt structure. */
1205
CHECK_VALUE(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1 + 4);
1206
}
1207
1208
vts_ptt_srpt->ttu_offset = data;
1209
1210
vts_ptt_srpt->title = malloc(vts_ptt_srpt->nr_of_srpts * sizeof(ttu_t));
1211
if(!vts_ptt_srpt->title)
1212
goto fail;
1213
1214
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
1215
int n;
1216
if(i < vts_ptt_srpt->nr_of_srpts - 1)
1217
n = (data[i+1] - data[i]);
1218
else
1219
n = (vts_ptt_srpt->last_byte + 1 - data[i]);
1220
1221
/* assert(n > 0 && (n % 4) == 0);
1222
Magic Knight Rayearth Daybreak is mastered very strange and has
1223
Titles with 0 PTTs. */
1224
if(n < 0) n = 0;
1225
1226
CHECK_VALUE(n % 4 == 0);
1227
1228
vts_ptt_srpt->title[i].nr_of_ptts = n / 4;
1229
vts_ptt_srpt->title[i].ptt = malloc(n * sizeof(ptt_info_t));
1230
if(!vts_ptt_srpt->title[i].ptt) {
1231
for(n = 0; n < i; n++)
1232
free(vts_ptt_srpt->title[n].ptt);
1233
1234
goto fail;
1235
}
1236
for(j = 0; j < vts_ptt_srpt->title[i].nr_of_ptts; j++) {
1237
/* The assert placed here because of Magic Knight Rayearth Daybreak */
1238
CHECK_VALUE(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1);
1239
vts_ptt_srpt->title[i].ptt[j].pgcn
1240
= *(uint16_t*)(((char *)data) + data[i] + 4*j - VTS_PTT_SRPT_SIZE);
1241
vts_ptt_srpt->title[i].ptt[j].pgn
1242
= *(uint16_t*)(((char *)data) + data[i] + 4*j + 2 - VTS_PTT_SRPT_SIZE);
1243
}
1244
}
1245
1246
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
1247
for(j = 0; j < vts_ptt_srpt->title[i].nr_of_ptts; j++) {
1248
B2N_16(vts_ptt_srpt->title[i].ptt[j].pgcn);
1249
B2N_16(vts_ptt_srpt->title[i].ptt[j].pgn);
1250
}
1251
}
1252
1253
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
1254
CHECK_VALUE(vts_ptt_srpt->title[i].nr_of_ptts < 1000); /* ?? */
1255
for(j = 0; j < vts_ptt_srpt->title[i].nr_of_ptts; j++) {
1256
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgcn != 0 );
1257
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgcn < 1000); /* ?? */
1258
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgn != 0);
1259
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgn < 100); /* ?? */
1260
}
1261
}
1262
1263
return 1;
1264
1265
fail:
1266
free(data);
1267
ifofile->vts_ptt_srpt = 0;
1268
free(vts_ptt_srpt->title);
1269
free(vts_ptt_srpt);
1270
return 0;
1271
}
1272
1273
1274
void ifoFree_VTS_PTT_SRPT(ifo_handle_t *ifofile) {
1275
if(!ifofile)
1276
return;
1277
1278
if(ifofile->vts_ptt_srpt) {
1279
int i;
1280
for(i = 0; i < ifofile->vts_ptt_srpt->nr_of_srpts; i++)
1281
free(ifofile->vts_ptt_srpt->title[i].ptt);
1282
free(ifofile->vts_ptt_srpt->ttu_offset);
1283
free(ifofile->vts_ptt_srpt->title);
1284
free(ifofile->vts_ptt_srpt);
1285
ifofile->vts_ptt_srpt = 0;
1286
}
1287
}
1288
1289
1290
int ifoRead_PTL_MAIT(ifo_handle_t *ifofile) {
1291
ptl_mait_t *ptl_mait;
1292
int info_length;
1293
unsigned int i, j;
1294
1295
if(!ifofile)
1296
return 0;
1297
1298
if(!ifofile->vmgi_mat)
1299
return 0;
1300
1301
if(ifofile->vmgi_mat->ptl_mait == NULL)
1302
return 1;
1303
1304
if(!DVDFileSeek_(ifofile->file, ifofile->vmgi_mat->ptl_mait * DVD_BLOCK_LEN))
1305
return 0;
1306
1307
ptl_mait = (ptl_mait_t *)malloc(sizeof(ptl_mait_t));
1308
if(!ptl_mait)
1309
return 0;
1310
1311
ifofile->ptl_mait = ptl_mait;
1312
1313
if(!(DVDReadBytes(ifofile->file, ptl_mait, PTL_MAIT_SIZE))) {
1314
free(ptl_mait);
1315
ifofile->ptl_mait = NULL;
1316
return 0;
1317
}
1318
1319
B2N_16(ptl_mait->nr_of_countries);
1320
B2N_16(ptl_mait->nr_of_vtss);
1321
B2N_32(ptl_mait->last_byte);
1322
1323
CHECK_VALUE(ptl_mait->nr_of_countries != 0);
1324
CHECK_VALUE(ptl_mait->nr_of_countries < 100); /* ?? */
1325
CHECK_VALUE(ptl_mait->nr_of_vtss != 0);
1326
CHECK_VALUE(ptl_mait->nr_of_vtss < 100); /* ?? */
1327
CHECK_VALUE(ptl_mait->nr_of_countries * PTL_MAIT_COUNTRY_SIZE
1328
<= ptl_mait->last_byte + 1 - PTL_MAIT_SIZE);
1329
1330
info_length = ptl_mait->nr_of_countries * sizeof(ptl_mait_country_t);
1331
ptl_mait->countries = (ptl_mait_country_t *)malloc(info_length);
1332
if(!ptl_mait->countries) {
1333
free(ptl_mait);
1334
ifofile->ptl_mait = NULL;
1335
return 0;
1336
}
1337
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
1338
ptl_mait->countries[i].pf_ptl_mai = NULL;
1339
}
1340
1341
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
1342
if(!(DVDReadBytes(ifofile->file, &ptl_mait->countries[i], PTL_MAIT_COUNTRY_SIZE))) {
1343
fprintf(stderr, "libdvdread: Unable to read PTL_MAIT.\n");
1344
free(ptl_mait->countries);
1345
free(ptl_mait);
1346
ifofile->ptl_mait = NULL;
1347
return 0;
1348
}
1349
}
1350
1351
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
1352
B2N_16(ptl_mait->countries[i].country_code);
1353
B2N_16(ptl_mait->countries[i].pf_ptl_mai_start_byte);
1354
}
1355
1356
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
1357
CHECK_ZERO(ptl_mait->countries[i].zero_1);
1358
CHECK_ZERO(ptl_mait->countries[i].zero_2);
1359
CHECK_VALUE(ptl_mait->countries[i].pf_ptl_mai_start_byte
1360
+ sizeof(pf_level_t) * (ptl_mait->nr_of_vtss + 1) <= ptl_mait->last_byte + 1);
1361
}
1362
1363
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
1364
uint16_t *pf_temp;
1365
1366
if(!DVDFileSeek_(ifofile->file,
1367
ifofile->vmgi_mat->ptl_mait * DVD_BLOCK_LEN
1368
+ ptl_mait->countries[i].pf_ptl_mai_start_byte)) {
1369
fprintf(stderr, "libdvdread: Unable to seek PTL_MAIT table at index %d.\n",i);
1370
free(ptl_mait->countries);
1371
free(ptl_mait);
1372
ifofile->ptl_mait = NULL;
1373
return 0;
1374
}
1375
info_length = (ptl_mait->nr_of_vtss + 1) * sizeof(pf_level_t);
1376
pf_temp = (uint16_t *)malloc(info_length);
1377
if(!pf_temp) {
1378
free_ptl_mait(ptl_mait, i);
1379
ifofile->ptl_mait = NULL;
1380
return 0;
1381
}
1382
memset(pf_temp, 0, info_length);
1383
if(!(DVDReadBytes(ifofile->file, pf_temp, info_length))) {
1384
fprintf(stderr, "libdvdread: Unable to read PTL_MAIT table at index %d.\n",i);
1385
free(pf_temp);
1386
free_ptl_mait(ptl_mait, i);
1387
ifofile->ptl_mait = NULL;
1388
return 0;
1389
}
1390
for (j = 0; j < ((ptl_mait->nr_of_vtss + 1) * 8); j++) {
1391
B2N_16(pf_temp[j]);
1392
}
1393
ptl_mait->countries[i].pf_ptl_mai = (pf_level_t *)malloc(info_length);
1394
if(!ptl_mait->countries[i].pf_ptl_mai) {
1395
free(pf_temp);
1396
free_ptl_mait(ptl_mait, i);
1397
ifofile->ptl_mait = NULL;
1398
return 0;
1399
}
1400
{ /* Transpose the array so we can use C indexing. */
1401
int level, vts;
1402
for(level = 0; level < PTL_MAIT_NUM_LEVEL; level++) {
1403
for(vts = 0; vts <= ptl_mait->nr_of_vtss; vts++) {
1404
ptl_mait->countries[i].pf_ptl_mai[vts][level] =
1405
pf_temp[(7-level)*(ptl_mait->nr_of_vtss+1) + vts];
1406
}
1407
}
1408
free(pf_temp);
1409
}
1410
}
1411
return 1;
1412
}
1413
1414
void ifoFree_PTL_MAIT(ifo_handle_t *ifofile) {
1415
unsigned int i;
1416
1417
if(!ifofile)
1418
return;
1419
1420
if(ifofile->ptl_mait) {
1421
for(i = 0; i < ifofile->ptl_mait->nr_of_countries; i++) {
1422
free(ifofile->ptl_mait->countries[i].pf_ptl_mai);
1423
}
1424
free(ifofile->ptl_mait->countries);
1425
free(ifofile->ptl_mait);
1426
ifofile->ptl_mait = NULL;
1427
}
1428
}
1429
1430
int ifoRead_VTS_TMAPT(ifo_handle_t *ifofile) {
1431
vts_tmapt_t *vts_tmapt;
1432
uint32_t *vts_tmap_srp;
1433
unsigned int offset;
1434
int info_length;
1435
unsigned int i, j;
1436
1437
if(!ifofile)
1438
return 0;
1439
1440
if(!ifofile->vtsi_mat)
1441
return 0;
1442
1443
if(ifofile->vtsi_mat->vts_tmapt == 0) { /* optional(?) */
1444
ifofile->vts_tmapt = NULL;
1445
fprintf(stderr,"Please send bug report - no VTS_TMAPT ?? \n");
1446
return 1;
1447
}
1448
1449
offset = ifofile->vtsi_mat->vts_tmapt * DVD_BLOCK_LEN;
1450
1451
if(!DVDFileSeek_(ifofile->file, offset))
1452
return 0;
1453
1454
vts_tmapt = (vts_tmapt_t *)malloc(sizeof(vts_tmapt_t));
1455
if(!vts_tmapt)
1456
return 0;
1457
1458
ifofile->vts_tmapt = vts_tmapt;
1459
1460
if(!(DVDReadBytes(ifofile->file, vts_tmapt, VTS_TMAPT_SIZE))) {
1461
fprintf(stderr, "libdvdread: Unable to read VTS_TMAPT.\n");
1462
free(vts_tmapt);
1463
ifofile->vts_tmapt = NULL;
1464
return 0;
1465
}
1466
1467
B2N_16(vts_tmapt->nr_of_tmaps);
1468
B2N_32(vts_tmapt->last_byte);
1469
1470
CHECK_ZERO(vts_tmapt->zero_1);
1471
1472
info_length = vts_tmapt->nr_of_tmaps * 4;
1473
1474
vts_tmap_srp = (uint32_t *)malloc(info_length);
1475
if(!vts_tmap_srp) {
1476
free(vts_tmapt);
1477
ifofile->vts_tmapt = NULL;
1478
return 0;
1479
}
1480
1481
vts_tmapt->tmap_offset = vts_tmap_srp;
1482
1483
if(!(DVDReadBytes(ifofile->file, vts_tmap_srp, info_length))) {
1484
fprintf(stderr, "libdvdread: Unable to read VTS_TMAPT.\n");
1485
free(vts_tmap_srp);
1486
free(vts_tmapt);
1487
ifofile->vts_tmapt = NULL;
1488
return 0;
1489
}
1490
1491
for (i = 0; i < vts_tmapt->nr_of_tmaps; i++) {
1492
B2N_32(vts_tmap_srp[i]);
1493
}
1494
1495
1496
info_length = vts_tmapt->nr_of_tmaps * sizeof(vts_tmap_t);
1497
1498
vts_tmapt->tmap = (vts_tmap_t *)malloc(info_length);
1499
if(!vts_tmapt->tmap) {
1500
free(vts_tmap_srp);
1501
free(vts_tmapt);
1502
ifofile->vts_tmapt = NULL;
1503
return 0;
1504
}
1505
1506
memset(vts_tmapt->tmap, 0, info_length); /* So ifoFree_VTS_TMAPT works. */
1507
1508
for(i = 0; i < vts_tmapt->nr_of_tmaps; i++) {
1509
if(!DVDFileSeek_(ifofile->file, offset + vts_tmap_srp[i])) {
1510
ifoFree_VTS_TMAPT(ifofile);
1511
return 0;
1512
}
1513
1514
if(!(DVDReadBytes(ifofile->file, &vts_tmapt->tmap[i], VTS_TMAP_SIZE))) {
1515
fprintf(stderr, "libdvdread: Unable to read VTS_TMAP.\n");
1516
ifoFree_VTS_TMAPT(ifofile);
1517
return 0;
1518
}
1519
1520
B2N_16(vts_tmapt->tmap[i].nr_of_entries);
1521
CHECK_ZERO(vts_tmapt->tmap[i].zero_1);
1522
1523
if(vts_tmapt->tmap[i].nr_of_entries == 0) { /* Early out if zero entries */
1524
vts_tmapt->tmap[i].map_ent = NULL;
1525
continue;
1526
}
1527
1528
info_length = vts_tmapt->tmap[i].nr_of_entries * sizeof(map_ent_t);
1529
1530
vts_tmapt->tmap[i].map_ent = (map_ent_t *)malloc(info_length);
1531
if(!vts_tmapt->tmap[i].map_ent) {
1532
ifoFree_VTS_TMAPT(ifofile);
1533
return 0;
1534
}
1535
1536
if(!(DVDReadBytes(ifofile->file, vts_tmapt->tmap[i].map_ent, info_length))) {
1537
fprintf(stderr, "libdvdread: Unable to read VTS_TMAP_ENT.\n");
1538
ifoFree_VTS_TMAPT(ifofile);
1539
return 0;
1540
}
1541
1542
for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++)
1543
B2N_32(vts_tmapt->tmap[i].map_ent[j]);
1544
}
1545
1546
return 1;
1547
}
1548
1549
void ifoFree_VTS_TMAPT(ifo_handle_t *ifofile) {
1550
unsigned int i;
1551
1552
if(!ifofile)
1553
return;
1554
1555
if(ifofile->vts_tmapt) {
1556
for(i = 0; i < ifofile->vts_tmapt->nr_of_tmaps; i++)
1557
if(ifofile->vts_tmapt->tmap[i].map_ent)
1558
free(ifofile->vts_tmapt->tmap[i].map_ent);
1559
free(ifofile->vts_tmapt->tmap);
1560
free(ifofile->vts_tmapt->tmap_offset);
1561
free(ifofile->vts_tmapt);
1562
ifofile->vts_tmapt = NULL;
1563
}
1564
}
1565
1566
1567
int ifoRead_TITLE_C_ADT(ifo_handle_t *ifofile) {
1568
1569
if(!ifofile)
1570
return 0;
1571
1572
if(!ifofile->vtsi_mat)
1573
return 0;
1574
1575
if(ifofile->vtsi_mat->vts_c_adt == 0) /* mandatory */
1576
return 0;
1577
1578
ifofile->vts_c_adt = (c_adt_t *)malloc(sizeof(c_adt_t));
1579
if(!ifofile->vts_c_adt)
1580
return 0;
1581
1582
if(!ifoRead_C_ADT_internal(ifofile, ifofile->vts_c_adt,
1583
ifofile->vtsi_mat->vts_c_adt)) {
1584
free(ifofile->vts_c_adt);
1585
ifofile->vts_c_adt = 0;
1586
return 0;
1587
}
1588
1589
return 1;
1590
}
1591
1592
int ifoRead_C_ADT(ifo_handle_t *ifofile) {
1593
unsigned int sector;
1594
1595
if(!ifofile)
1596
return 0;
1597
1598
if(ifofile->vmgi_mat) {
1599
if(ifofile->vmgi_mat->vmgm_c_adt == 0)
1600
return 1;
1601
sector = ifofile->vmgi_mat->vmgm_c_adt;
1602
} else if(ifofile->vtsi_mat) {
1603
if(ifofile->vtsi_mat->vtsm_c_adt == 0)
1604
return 1;
1605
sector = ifofile->vtsi_mat->vtsm_c_adt;
1606
} else {
1607
return 0;
1608
}
1609
1610
ifofile->menu_c_adt = (c_adt_t *)malloc(sizeof(c_adt_t));
1611
if(!ifofile->menu_c_adt)
1612
return 0;
1613
1614
if(!ifoRead_C_ADT_internal(ifofile, ifofile->menu_c_adt, sector)) {
1615
free(ifofile->menu_c_adt);
1616
ifofile->menu_c_adt = 0;
1617
return 0;
1618
}
1619
1620
return 1;
1621
}
1622
1623
static int ifoRead_C_ADT_internal(ifo_handle_t *ifofile,
1624
c_adt_t *c_adt, unsigned int sector) {
1625
int i, info_length;
1626
1627
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN))
1628
return 0;
1629
1630
if(!(DVDReadBytes(ifofile->file, c_adt, C_ADT_SIZE)))
1631
return 0;
1632
1633
B2N_16(c_adt->nr_of_vobs);
1634
B2N_32(c_adt->last_byte);
1635
1636
info_length = c_adt->last_byte + 1 - C_ADT_SIZE;
1637
1638
CHECK_ZERO(c_adt->zero_1);
1639
/* assert(c_adt->nr_of_vobs > 0);
1640
Magic Knight Rayearth Daybreak is mastered very strange and has
1641
Titles with a VOBS that has no cells. */
1642
CHECK_VALUE(info_length % sizeof(cell_adr_t) == 0);
1643
1644
/* assert(info_length / sizeof(cell_adr_t) >= c_adt->nr_of_vobs);
1645
Enemy of the State region 2 (de) has Titles where nr_of_vobs field
1646
is to high, they high ones are never referenced though. */
1647
if(info_length / sizeof(cell_adr_t) < c_adt->nr_of_vobs) {
1648
fprintf(stderr, "libdvdread: *C_ADT nr_of_vobs > available info entries\n");
1649
c_adt->nr_of_vobs = info_length / sizeof(cell_adr_t);
1650
}
1651
1652
c_adt->cell_adr_table = (cell_adr_t *)malloc(info_length);
1653
if(!c_adt->cell_adr_table)
1654
return 0;
1655
1656
if(info_length &&
1657
!(DVDReadBytes(ifofile->file, c_adt->cell_adr_table, info_length))) {
1658
free(c_adt->cell_adr_table);
1659
return 0;
1660
}
1661
1662
for(i = 0; i < info_length/sizeof(cell_adr_t); i++) {
1663
B2N_16(c_adt->cell_adr_table[i].vob_id);
1664
B2N_32(c_adt->cell_adr_table[i].start_sector);
1665
B2N_32(c_adt->cell_adr_table[i].last_sector);
1666
1667
CHECK_ZERO(c_adt->cell_adr_table[i].zero_1);
1668
CHECK_VALUE(c_adt->cell_adr_table[i].vob_id > 0);
1669
CHECK_VALUE(c_adt->cell_adr_table[i].vob_id <= c_adt->nr_of_vobs);
1670
CHECK_VALUE(c_adt->cell_adr_table[i].cell_id > 0);
1671
CHECK_VALUE(c_adt->cell_adr_table[i].start_sector <
1672
c_adt->cell_adr_table[i].last_sector);
1673
}
1674
1675
return 1;
1676
}
1677
1678
1679
static void ifoFree_C_ADT_internal(c_adt_t *c_adt) {
1680
if(c_adt) {
1681
free(c_adt->cell_adr_table);
1682
free(c_adt);
1683
}
1684
}
1685
1686
void ifoFree_C_ADT(ifo_handle_t *ifofile) {
1687
if(!ifofile)
1688
return;
1689
1690
ifoFree_C_ADT_internal(ifofile->menu_c_adt);
1691
ifofile->menu_c_adt = 0;
1692
}
1693
1694
void ifoFree_TITLE_C_ADT(ifo_handle_t *ifofile) {
1695
if(!ifofile)
1696
return;
1697
1698
ifoFree_C_ADT_internal(ifofile->vts_c_adt);
1699
ifofile->vts_c_adt = 0;
1700
}
1701
1702
int ifoRead_TITLE_VOBU_ADMAP(ifo_handle_t *ifofile) {
1703
if(!ifofile)
1704
return 0;
1705
1706
if(!ifofile->vtsi_mat)
1707
return 0;
1708
1709
if(ifofile->vtsi_mat->vts_vobu_admap == 0) /* mandatory */
1710
return 0;
1711
1712
ifofile->vts_vobu_admap = (vobu_admap_t *)malloc(sizeof(vobu_admap_t));
1713
if(!ifofile->vts_vobu_admap)
1714
return 0;
1715
1716
if(!ifoRead_VOBU_ADMAP_internal(ifofile, ifofile->vts_vobu_admap,
1717
ifofile->vtsi_mat->vts_vobu_admap)) {
1718
free(ifofile->vts_vobu_admap);
1719
ifofile->vts_vobu_admap = 0;
1720
return 0;
1721
}
1722
1723
return 1;
1724
}
1725
1726
int ifoRead_VOBU_ADMAP(ifo_handle_t *ifofile) {
1727
unsigned int sector;
1728
1729
if(!ifofile)
1730
return 0;
1731
1732
if(ifofile->vmgi_mat) {
1733
if(ifofile->vmgi_mat->vmgm_vobu_admap == 0)
1734
return 1;
1735
sector = ifofile->vmgi_mat->vmgm_vobu_admap;
1736
} else if(ifofile->vtsi_mat) {
1737
if(ifofile->vtsi_mat->vtsm_vobu_admap == 0)
1738
return 1;
1739
sector = ifofile->vtsi_mat->vtsm_vobu_admap;
1740
} else {
1741
return 0;
1742
}
1743
1744
ifofile->menu_vobu_admap = (vobu_admap_t *)malloc(sizeof(vobu_admap_t));
1745
if(!ifofile->menu_vobu_admap)
1746
return 0;
1747
1748
if(!ifoRead_VOBU_ADMAP_internal(ifofile, ifofile->menu_vobu_admap, sector)) {
1749
free(ifofile->menu_vobu_admap);
1750
ifofile->menu_vobu_admap = 0;
1751
return 0;
1752
}
1753
1754
return 1;
1755
}
1756
1757
static int ifoRead_VOBU_ADMAP_internal(ifo_handle_t *ifofile,
1758
vobu_admap_t *vobu_admap,
1759
unsigned int sector) {
1760
unsigned int i;
1761
int info_length;
1762
1763
if(!DVDFileSeekForce_(ifofile->file, sector * DVD_BLOCK_LEN, sector))
1764
return 0;
1765
1766
if(!(DVDReadBytes(ifofile->file, vobu_admap, VOBU_ADMAP_SIZE)))
1767
return 0;
1768
1769
B2N_32(vobu_admap->last_byte);
1770
1771
info_length = vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE;
1772
/* assert(info_length > 0);
1773
Magic Knight Rayearth Daybreak is mastered very strange and has
1774
Titles with a VOBS that has no VOBUs. */
1775
CHECK_VALUE(info_length % sizeof(uint32_t) == 0);
1776
1777
vobu_admap->vobu_start_sectors = (uint32_t *)malloc(info_length);
1778
if(!vobu_admap->vobu_start_sectors) {
1779
return 0;
1780
}
1781
if(info_length &&
1782
!(DVDReadBytes(ifofile->file,
1783
vobu_admap->vobu_start_sectors, info_length))) {
1784
free(vobu_admap->vobu_start_sectors);
1785
return 0;
1786
}
1787
1788
for(i = 0; i < info_length/sizeof(uint32_t); i++)
1789
B2N_32(vobu_admap->vobu_start_sectors[i]);
1790
1791
return 1;
1792
}
1793
1794
1795
static void ifoFree_VOBU_ADMAP_internal(vobu_admap_t *vobu_admap) {
1796
if(vobu_admap) {
1797
free(vobu_admap->vobu_start_sectors);
1798
free(vobu_admap);
1799
}
1800
}
1801
1802
void ifoFree_VOBU_ADMAP(ifo_handle_t *ifofile) {
1803
if(!ifofile)
1804
return;
1805
1806
ifoFree_VOBU_ADMAP_internal(ifofile->menu_vobu_admap);
1807
ifofile->menu_vobu_admap = 0;
1808
}
1809
1810
void ifoFree_TITLE_VOBU_ADMAP(ifo_handle_t *ifofile) {
1811
if(!ifofile)
1812
return;
1813
1814
ifoFree_VOBU_ADMAP_internal(ifofile->vts_vobu_admap);
1815
ifofile->vts_vobu_admap = 0;
1816
}
1817
1818
int ifoRead_PGCIT(ifo_handle_t *ifofile) {
1819
1820
if(!ifofile)
1821
return 0;
1822
1823
if(!ifofile->vtsi_mat)
1824
return 0;
1825
1826
if(ifofile->vtsi_mat->vts_pgcit == 0) /* mandatory */
1827
return 0;
1828
1829
ifofile->vts_pgcit = (pgcit_t *)malloc(sizeof(pgcit_t));
1830
if(!ifofile->vts_pgcit)
1831
return 0;
1832
1833
if(!ifoRead_PGCIT_internal(ifofile, ifofile->vts_pgcit,
1834
ifofile->vtsi_mat->vts_pgcit * DVD_BLOCK_LEN)) {
1835
free(ifofile->vts_pgcit);
1836
ifofile->vts_pgcit = 0;
1837
return 0;
1838
}
1839
1840
return 1;
1841
}
1842
1843
static int ifoRead_PGCIT_internal(ifo_handle_t *ifofile, pgcit_t *pgcit,
1844
unsigned int offset) {
1845
int i, info_length;
1846
uint8_t *data, *ptr;
1847
1848
if(!DVDFileSeek_(ifofile->file, offset))
1849
return 0;
1850
1851
if(!(DVDReadBytes(ifofile->file, pgcit, PGCIT_SIZE)))
1852
return 0;
1853
1854
B2N_16(pgcit->nr_of_pgci_srp);
1855
B2N_32(pgcit->last_byte);
1856
1857
CHECK_ZERO(pgcit->zero_1);
1858
/* assert(pgcit->nr_of_pgci_srp != 0);
1859
Magic Knight Rayearth Daybreak is mastered very strange and has
1860
Titles with 0 PTTs. */
1861
CHECK_VALUE(pgcit->nr_of_pgci_srp < 10000); /* ?? seen max of 1338 */
1862
1863
info_length = pgcit->nr_of_pgci_srp * PGCI_SRP_SIZE;
1864
data = malloc(info_length);
1865
if(!data)
1866
return 0;
1867
1868
if(info_length && !(DVDReadBytes(ifofile->file, data, info_length))) {
1869
free(data);
1870
return 0;
1871
}
1872
1873
pgcit->pgci_srp = malloc(pgcit->nr_of_pgci_srp * sizeof(pgci_srp_t));
1874
if(!pgcit->pgci_srp) {
1875
free(data);
1876
return 0;
1877
}
1878
ptr = data;
1879
for(i = 0; i < pgcit->nr_of_pgci_srp; i++) {
1880
memcpy(&pgcit->pgci_srp[i], ptr, PGCI_SRP_SIZE);
1881
ptr += PGCI_SRP_SIZE;
1882
read_pgci_srp(&pgcit->pgci_srp[i]);
1883
CHECK_VALUE(pgcit->pgci_srp[i].unknown1 == 0);
1884
}
1885
free(data);
1886
1887
for(i = 0; i < pgcit->nr_of_pgci_srp; i++)
1888
CHECK_VALUE(pgcit->pgci_srp[i].pgc_start_byte + PGC_SIZE <= pgcit->last_byte+1);
1889
1890
for(i = 0; i < pgcit->nr_of_pgci_srp; i++) {
1891
pgcit->pgci_srp[i].pgc = malloc(sizeof(pgc_t));
1892
if(!pgcit->pgci_srp[i].pgc) {
1893
int j;
1894
for(j = 0; j < i; j++) {
1895
ifoFree_PGC(pgcit->pgci_srp[j].pgc);
1896
free(pgcit->pgci_srp[j].pgc);
1897
}
1898
goto fail;
1899
}
1900
if(!ifoRead_PGC(ifofile, pgcit->pgci_srp[i].pgc,
1901
offset + pgcit->pgci_srp[i].pgc_start_byte)) {
1902
int j;
1903
for(j = 0; j < i; j++) {
1904
ifoFree_PGC(pgcit->pgci_srp[j].pgc);
1905
free(pgcit->pgci_srp[j].pgc);
1906
}
1907
free(pgcit->pgci_srp[i].pgc);
1908
goto fail;
1909
}
1910
}
1911
1912
return 1;
1913
fail:
1914
free(pgcit->pgci_srp);
1915
pgcit->pgci_srp = NULL;
1916
return 0;
1917
}
1918
1919
static void ifoFree_PGCIT_internal(pgcit_t *pgcit) {
1920
if(pgcit) {
1921
int i;
1922
for(i = 0; i < pgcit->nr_of_pgci_srp; i++)
1923
{
1924
ifoFree_PGC(pgcit->pgci_srp[i].pgc);
1925
free(pgcit->pgci_srp[i].pgc);
1926
}
1927
free(pgcit->pgci_srp);
1928
}
1929
}
1930
1931
void ifoFree_PGCIT(ifo_handle_t *ifofile) {
1932
if(!ifofile)
1933
return;
1934
1935
if(ifofile->vts_pgcit) {
1936
ifoFree_PGCIT_internal(ifofile->vts_pgcit);
1937
free(ifofile->vts_pgcit);
1938
ifofile->vts_pgcit = 0;
1939
}
1940
}
1941
1942
1943
int ifoRead_PGCI_UT(ifo_handle_t *ifofile) {
1944
pgci_ut_t *pgci_ut;
1945
unsigned int sector;
1946
unsigned int i;
1947
int info_length;
1948
uint8_t *data, *ptr;
1949
1950
if(!ifofile)
1951
return 0;
1952
1953
if(ifofile->vmgi_mat) {
1954
if(ifofile->vmgi_mat->vmgm_pgci_ut == 0)
1955
return 1;
1956
sector = ifofile->vmgi_mat->vmgm_pgci_ut;
1957
} else if(ifofile->vtsi_mat) {
1958
if(ifofile->vtsi_mat->vtsm_pgci_ut == 0)
1959
return 1;
1960
sector = ifofile->vtsi_mat->vtsm_pgci_ut;
1961
} else {
1962
return 0;
1963
}
1964
1965
ifofile->pgci_ut = (pgci_ut_t *)malloc(sizeof(pgci_ut_t));
1966
if(!ifofile->pgci_ut)
1967
return 0;
1968
1969
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN)) {
1970
free(ifofile->pgci_ut);
1971
ifofile->pgci_ut = 0;
1972
return 0;
1973
}
1974
1975
if(!(DVDReadBytes(ifofile->file, ifofile->pgci_ut, PGCI_UT_SIZE))) {
1976
free(ifofile->pgci_ut);
1977
ifofile->pgci_ut = 0;
1978
return 0;
1979
}
1980
1981
pgci_ut = ifofile->pgci_ut;
1982
1983
B2N_16(pgci_ut->nr_of_lus);
1984
B2N_32(pgci_ut->last_byte);
1985
1986
CHECK_ZERO(pgci_ut->zero_1);
1987
CHECK_VALUE(pgci_ut->nr_of_lus != 0);
1988
CHECK_VALUE(pgci_ut->nr_of_lus < 100); /* ?? 3-4 ? */
1989
CHECK_VALUE((uint32_t)pgci_ut->nr_of_lus * PGCI_LU_SIZE < pgci_ut->last_byte);
1990
1991
info_length = pgci_ut->nr_of_lus * PGCI_LU_SIZE;
1992
data = malloc(info_length);
1993
if(!data) {
1994
free(pgci_ut);
1995
ifofile->pgci_ut = 0;
1996
return 0;
1997
}
1998
if(!(DVDReadBytes(ifofile->file, data, info_length))) {
1999
free(data);
2000
free(pgci_ut);
2001
ifofile->pgci_ut = 0;
2002
return 0;
2003
}
2004
2005
pgci_ut->lu = malloc(pgci_ut->nr_of_lus * sizeof(pgci_lu_t));
2006
if(!pgci_ut->lu) {
2007
free(data);
2008
free(pgci_ut);
2009
ifofile->pgci_ut = 0;
2010
return 0;
2011
}
2012
ptr = data;
2013
for(i = 0; i < pgci_ut->nr_of_lus; i++) {
2014
memcpy(&pgci_ut->lu[i], ptr, PGCI_LU_SIZE);
2015
ptr += PGCI_LU_SIZE;
2016
B2N_16(pgci_ut->lu[i].lang_code);
2017
B2N_32(pgci_ut->lu[i].lang_start_byte);
2018
}
2019
free(data);
2020
2021
for(i = 0; i < pgci_ut->nr_of_lus; i++) {
2022
/* Maybe this is only defined for v1.1 and later titles? */
2023
/* If the bits in 'lu[i].exists' are enumerated abcd efgh then:
2024
VTS_x_yy.IFO VIDEO_TS.IFO
2025
a == 0x83 "Root" 0x82 "Title"
2026
b == 0x84 "Subpicture"
2027
c == 0x85 "Audio"
2028
d == 0x86 "Angle"
2029
e == 0x87 "PTT"
2030
*/
2031
CHECK_VALUE((pgci_ut->lu[i].exists & 0x07) == 0);
2032
}
2033
2034
for(i = 0; i < pgci_ut->nr_of_lus; i++) {
2035
pgci_ut->lu[i].pgcit = malloc(sizeof(pgcit_t));
2036
if(!pgci_ut->lu[i].pgcit) {
2037
unsigned int j;
2038
for(j = 0; j < i; j++) {
2039
ifoFree_PGCIT_internal(pgci_ut->lu[j].pgcit);
2040
free(pgci_ut->lu[j].pgcit);
2041
}
2042
free(pgci_ut->lu);
2043
free(pgci_ut);
2044
ifofile->pgci_ut = 0;
2045
return 0;
2046
}
2047
if(!ifoRead_PGCIT_internal(ifofile, pgci_ut->lu[i].pgcit,
2048
sector * DVD_BLOCK_LEN
2049
+ pgci_ut->lu[i].lang_start_byte)) {
2050
unsigned int j;
2051
for(j = 0; j < i; j++) {
2052
ifoFree_PGCIT_internal(pgci_ut->lu[j].pgcit);
2053
free(pgci_ut->lu[j].pgcit);
2054
}
2055
free(pgci_ut->lu[i].pgcit);
2056
free(pgci_ut->lu);
2057
free(pgci_ut);
2058
ifofile->pgci_ut = 0;
2059
return 0;
2060
}
2061
/* FIXME: Iterate and verify that all menus that should exists accordingly
2062
* to pgci_ut->lu[i].exists really do? */
2063
}
2064
2065
return 1;
2066
}
2067
2068
2069
void ifoFree_PGCI_UT(ifo_handle_t *ifofile) {
2070
unsigned int i;
2071
2072
if(!ifofile)
2073
return;
2074
2075
if(ifofile->pgci_ut) {
2076
for(i = 0; i < ifofile->pgci_ut->nr_of_lus; i++) {
2077
ifoFree_PGCIT_internal(ifofile->pgci_ut->lu[i].pgcit);
2078
free(ifofile->pgci_ut->lu[i].pgcit);
2079
}
2080
free(ifofile->pgci_ut->lu);
2081
free(ifofile->pgci_ut);
2082
ifofile->pgci_ut = 0;
2083
}
2084
}
2085
2086
static int ifoRead_VTS_ATTRIBUTES(ifo_handle_t *ifofile,
2087
vts_attributes_t *vts_attributes,
2088
unsigned int offset) {
2089
unsigned int i;
2090
2091
if(!DVDFileSeek_(ifofile->file, offset))
2092
return 0;
2093
2094
if(!(DVDReadBytes(ifofile->file, vts_attributes, sizeof(vts_attributes_t))))
2095
return 0;
2096
2097
read_video_attr(&vts_attributes->vtsm_vobs_attr);
2098
read_video_attr(&vts_attributes->vtstt_vobs_video_attr);
2099
read_audio_attr(&vts_attributes->vtsm_audio_attr);
2100
for(i=0; i<8; i++)
2101
read_audio_attr(&vts_attributes->vtstt_audio_attr[i]);
2102
read_subp_attr(&vts_attributes->vtsm_subp_attr);
2103
for(i=0; i<32; i++)
2104
read_subp_attr(&vts_attributes->vtstt_subp_attr[i]);
2105
B2N_32(vts_attributes->last_byte);
2106
B2N_32(vts_attributes->vts_cat);
2107
2108
CHECK_ZERO(vts_attributes->zero_1);
2109
CHECK_ZERO(vts_attributes->zero_2);
2110
CHECK_ZERO(vts_attributes->zero_3);
2111
CHECK_ZERO(vts_attributes->zero_4);
2112
CHECK_ZERO(vts_attributes->zero_5);
2113
CHECK_ZERO(vts_attributes->zero_6);
2114
CHECK_ZERO(vts_attributes->zero_7);
2115
CHECK_VALUE(vts_attributes->nr_of_vtsm_audio_streams <= 1);
2116
CHECK_VALUE(vts_attributes->nr_of_vtsm_subp_streams <= 1);
2117
CHECK_VALUE(vts_attributes->nr_of_vtstt_audio_streams <= 8);
2118
for(i = vts_attributes->nr_of_vtstt_audio_streams; i < 8; i++)
2119
CHECK_ZERO(vts_attributes->vtstt_audio_attr[i]);
2120
CHECK_VALUE(vts_attributes->nr_of_vtstt_subp_streams <= 32);
2121
{
2122
unsigned int nr_coded;
2123
CHECK_VALUE(vts_attributes->last_byte + 1 >= VTS_ATTRIBUTES_MIN_SIZE);
2124
nr_coded = (vts_attributes->last_byte + 1 - VTS_ATTRIBUTES_MIN_SIZE)/6;
2125
/* This is often nr_coded = 70, how do you know how many there really are? */
2126
if(nr_coded > 32) { /* We haven't read more from disk/file anyway */
2127
nr_coded = 32;
2128
}
2129
CHECK_VALUE(vts_attributes->nr_of_vtstt_subp_streams <= nr_coded);
2130
for(i = vts_attributes->nr_of_vtstt_subp_streams; i < nr_coded; i++)
2131
CHECK_ZERO(vts_attributes->vtstt_subp_attr[i]);
2132
}
2133
2134
return 1;
2135
}
2136
2137
2138
2139
int ifoRead_VTS_ATRT(ifo_handle_t *ifofile) {
2140
vts_atrt_t *vts_atrt;
2141
unsigned int i, info_length, sector;
2142
uint32_t *data;
2143
2144
if(!ifofile)
2145
return 0;
2146
2147
if(!ifofile->vmgi_mat)
2148
return 0;
2149
2150
if(ifofile->vmgi_mat->vts_atrt == 0) /* mandatory */
2151
return 0;
2152
2153
sector = ifofile->vmgi_mat->vts_atrt;
2154
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN))
2155
return 0;
2156
2157
vts_atrt = (vts_atrt_t *)malloc(sizeof(vts_atrt_t));
2158
if(!vts_atrt)
2159
return 0;
2160
2161
ifofile->vts_atrt = vts_atrt;
2162
2163
if(!(DVDReadBytes(ifofile->file, vts_atrt, VTS_ATRT_SIZE))) {
2164
free(vts_atrt);
2165
ifofile->vts_atrt = 0;
2166
return 0;
2167
}
2168
2169
B2N_16(vts_atrt->nr_of_vtss);
2170
B2N_32(vts_atrt->last_byte);
2171
2172
CHECK_ZERO(vts_atrt->zero_1);
2173
CHECK_VALUE(vts_atrt->nr_of_vtss != 0);
2174
CHECK_VALUE(vts_atrt->nr_of_vtss < 100); /* ?? */
2175
CHECK_VALUE((uint32_t)vts_atrt->nr_of_vtss * (4 + VTS_ATTRIBUTES_MIN_SIZE) +
2176
VTS_ATRT_SIZE < vts_atrt->last_byte + 1);
2177
2178
info_length = vts_atrt->nr_of_vtss * sizeof(uint32_t);
2179
data = (uint32_t *)malloc(info_length);
2180
if(!data) {
2181
free(vts_atrt);
2182
ifofile->vts_atrt = 0;
2183
return 0;
2184
}
2185
2186
vts_atrt->vts_atrt_offsets = data;
2187
2188
if(!(DVDReadBytes(ifofile->file, data, info_length))) {
2189
free(data);
2190
free(vts_atrt);
2191
ifofile->vts_atrt = 0;
2192
return 0;
2193
}
2194
2195
for(i = 0; i < vts_atrt->nr_of_vtss; i++) {
2196
B2N_32(data[i]);
2197
CHECK_VALUE(data[i] + VTS_ATTRIBUTES_MIN_SIZE < vts_atrt->last_byte + 1);
2198
}
2199
2200
info_length = vts_atrt->nr_of_vtss * sizeof(vts_attributes_t);
2201
vts_atrt->vts = (vts_attributes_t *)malloc(info_length);
2202
if(!vts_atrt->vts) {
2203
free(data);
2204
free(vts_atrt);
2205
ifofile->vts_atrt = 0;
2206
return 0;
2207
}
2208
for(i = 0; i < vts_atrt->nr_of_vtss; i++) {
2209
unsigned int offset = data[i];
2210
if(!ifoRead_VTS_ATTRIBUTES(ifofile, &(vts_atrt->vts[i]),
2211
(sector * DVD_BLOCK_LEN) + offset)) {
2212
free(data);
2213
free(vts_atrt);
2214
ifofile->vts_atrt = 0;
2215
return 0;
2216
}
2217
2218
/* This assert cant be in ifoRead_VTS_ATTRIBUTES */
2219
CHECK_VALUE(offset + vts_atrt->vts[i].last_byte <= vts_atrt->last_byte + 1);
2220
/* Is this check correct? */
2221
}
2222
2223
return 1;
2224
}
2225
2226
2227
void ifoFree_VTS_ATRT(ifo_handle_t *ifofile) {
2228
if(!ifofile)
2229
return;
2230
2231
if(ifofile->vts_atrt) {
2232
free(ifofile->vts_atrt->vts);
2233
free(ifofile->vts_atrt->vts_atrt_offsets);
2234
free(ifofile->vts_atrt);
2235
ifofile->vts_atrt = 0;
2236
}
2237
}
2238
2239
2240
int ifoRead_TXTDT_MGI(ifo_handle_t *ifofile) {
2241
txtdt_mgi_t *txtdt_mgi;
2242
2243
if(!ifofile)
2244
return 0;
2245
2246
if(!ifofile->vmgi_mat)
2247
return 0;
2248
2249
/* Return successfully if there is nothing to read. */
2250
if(ifofile->vmgi_mat->txtdt_mgi == 0)
2251
return 1;
2252
2253
if(!DVDFileSeek_(ifofile->file,
2254
ifofile->vmgi_mat->txtdt_mgi * DVD_BLOCK_LEN))
2255
return 0;
2256
2257
txtdt_mgi = (txtdt_mgi_t *)malloc(sizeof(txtdt_mgi_t));
2258
if(!txtdt_mgi) {
2259
return 0;
2260
}
2261
ifofile->txtdt_mgi = txtdt_mgi;
2262
2263
if(!(DVDReadBytes(ifofile->file, txtdt_mgi, TXTDT_MGI_SIZE))) {
2264
fprintf(stderr, "libdvdread: Unable to read TXTDT_MGI.\n");
2265
free(txtdt_mgi);
2266
ifofile->txtdt_mgi = 0;
2267
return 0;
2268
}
2269
2270
/* fprintf(stderr, "-- Not done yet --\n"); */
2271
return 1;
2272
}
2273
2274
void ifoFree_TXTDT_MGI(ifo_handle_t *ifofile) {
2275
if(!ifofile)
2276
return;
2277
2278
if(ifofile->txtdt_mgi) {
2279
free(ifofile->txtdt_mgi);
2280
ifofile->txtdt_mgi = 0;
2281
}
2282
}
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Version: 2.0.1