bluray.c 17.1 KB
Newer Older
Accident's avatar
 
Accident committed
1 2 3 4 5 6 7 8 9 10 11
#if HAVE_CONFIG_H
#include "config.h"
#endif

#if HAVE_MALLOC_H
#include <malloc.h>
#endif

#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
cRTrn13's avatar
cRTrn13 committed
12

Accident's avatar
 
Accident committed
13 14 15 16
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif

cRTrn13's avatar
cRTrn13 committed
17
#include <stdio.h>
cRTrn13's avatar
cRTrn13 committed
18

cRTrn13's avatar
cRTrn13 committed
19
#include "bluray.h"
cRTrn13's avatar
cRTrn13 committed
20
#include "util/macro.h"
cRTrn13's avatar
cRTrn13 committed
21
#include "util/logging.h"
22 23
#include "util/strutl.h"
#include "file/dl.h"
j45's avatar
j45 committed
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
#include "libbdnav/navigation.h"

static int _open_m2ts(BLURAY *bd)
{
    char *f_name;

    f_name = str_printf("%s" DIR_SEP "BDMV" DIR_SEP "STREAM" DIR_SEP "%s",
                        bd->device_path, bd->clip->name);

    bd->clip_pos = (uint64_t)bd->clip->start_pkt * 192;
    bd->clip_block_pos = (bd->clip_pos / 6144) * 6144;

    if (bd->fp != NULL) {
        file_close(bd->fp);
    }
    if ((bd->fp = file_open(f_name, "rb"))) {
        file_seek(bd->fp, 0, SEEK_END);
        if ((bd->clip_size = file_tell(bd->fp))) {
            file_seek(bd->fp, bd->clip_block_pos, SEEK_SET);
            bd->int_buf_off = 6144;
            X_FREE(f_name);

            if (bd->h_libbdplus && bd->bdplus) {
                fptr_p_void bdplus_set_title;
                bdplus_set_title = dl_dlsym(bd->h_libbdplus, "bdplus_set_title");
                if (bdplus_set_title)
                    bdplus_set_title(bd->bdplus, bd->clip->clip_id);
            }
            return 1;
        }

j45's avatar
j45 committed
55
        DEBUG(DBG_BLURAY, "Clip %s empty! (%p)\n", f_name, bd);
j45's avatar
j45 committed
56 57
    }

j45's avatar
j45 committed
58
    DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open clip %s! (%p)\n", 
j45's avatar
j45 committed
59 60 61 62 63
          f_name, bd);

    X_FREE(f_name);
    return 0;
}
cRTrn13's avatar
cRTrn13 committed
64

65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
static int _libaacs_open(BLURAY *bd, const char *keyfile_path)
{
    if ((bd->h_libaacs = dl_dlopen("aacs"))) {
        fptr_p_void fptr;

        DEBUG(DBG_BLURAY, "Downloaded libaacs (%p)\n", bd->h_libaacs);

        fptr = dl_dlsym(bd->h_libaacs, "aacs_open");
        bd->libaacs_decrypt_unit = dl_dlsym(bd->h_libaacs, "aacs_decrypt_unit");

        if (fptr && bd->libaacs_decrypt_unit) {

            if ((bd->aacs = fptr(bd->device_path, keyfile_path))) {
                DEBUG(DBG_BLURAY, "Opened libaacs (%p)\n", bd->aacs);
                return 1;
            }

            DEBUG(DBG_BLURAY, "aacs_open() failed!\n");

        } else {
            DEBUG(DBG_BLURAY, "libaacs dlsym failed!\n");
        }

        dl_dlclose(bd->h_libaacs);

    } else {
        DEBUG(DBG_BLURAY, "libaacs not found!\n");
    }

    bd->h_libaacs = NULL;
    bd->libaacs_decrypt_unit = NULL;

    return 0;
}

cRTrn13's avatar
cRTrn13 committed
100 101
BLURAY *bd_open(const char* device_path, const char* keyfile_path)
{
102
    BLURAY *bd = calloc(1, sizeof(BLURAY));
cRTrn13's avatar
cRTrn13 committed
103

cRTrn13's avatar
cRTrn13 committed
104
    if (device_path) {
Accident's avatar
 
Accident committed
105 106

        bd->device_path = strdup(device_path);
cRTrn13's avatar
cRTrn13 committed
107

cRTrn13's avatar
cRTrn13 committed
108 109 110 111
        bd->aacs = NULL;
        bd->h_libaacs = NULL;
        bd->fp = NULL;

cRTrn13's avatar
Fix  
cRTrn13 committed
112
        if (keyfile_path) {
113
            _libaacs_open(bd, keyfile_path);
cRTrn13's avatar
cRTrn13 committed
114
        } else {
j45's avatar
j45 committed
115
            DEBUG(DBG_BLURAY | DBG_CRIT, "No keyfile provided. You will not be able to make use of crypto functionality (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
116 117
        }

118 119 120 121

        // Take a quick stab to see if we want/need bdplus
        // we should fix this, and add various string functions.
        {
Accident's avatar
 
Accident committed
122 123 124
            uint8_t vid[16] = {
                0xC5,0x43,0xEF,0x2A,0x15,0x0E,0x50,0xC4,0xE2,0xCA,
                0x71,0x65,0xB1,0x7C,0xA7,0xCB}; // FIXME
125 126 127 128 129 130 131 132
            FILE_H *fd;
            char *tmp = NULL;
            tmp = str_printf("%s/BDSVM/00000.svm", bd->device_path);
            if ((fd = file_open(tmp, "rb"))) {
                file_close(fd);

                DEBUG(DBG_BDPLUS, "attempting to load libbdplus\n");
                if ((bd->h_libbdplus = dl_dlopen("bdplus"))) {
j45's avatar
j45 committed
133
                    DEBUG(DBG_BLURAY, "Downloaded libbdplus (%p)\n",
134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
                          bd->h_libbdplus);

                    fptr_p_void bdplus_init = dl_dlsym(bd->h_libbdplus, "bdplus_init");
                    //bdplus_t *bdplus_init(path,configfile_path,*vid );
                    if (bdplus_init)
                        bd->bdplus = bdplus_init(device_path, keyfile_path, vid);

                    // Since we will call these functions a lot, we assign them
                    // now.
                    bd->bdplus_seek  = dl_dlsym(bd->h_libbdplus, "bdplus_seek");
                    bd->bdplus_fixup = dl_dlsym(bd->h_libbdplus, "bdplus_fixup");

                } // dlopen
            } // file_open
            X_FREE(tmp);
        }


152

j45's avatar
j45 committed
153
        DEBUG(DBG_BLURAY, "BLURAY initialized! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
154
    } else {
cRTrn13's avatar
cRTrn13 committed
155 156
        X_FREE(bd);

cRTrn13's avatar
cRTrn13 committed
157
        DEBUG(DBG_BLURAY | DBG_CRIT, "No device path provided!\n");
cRTrn13's avatar
cRTrn13 committed
158 159 160 161 162 163 164
    }

    return bd;
}

void bd_close(BLURAY *bd)
{
165 166
    if (bd->h_libaacs && bd->aacs) {
        fptr_p_void fptr = dl_dlsym(bd->h_libaacs, "aacs_close");
Accident's avatar
 
Accident committed
167
        fptr(bd->aacs);  // FIXME: NULL
cRTrn13's avatar
cRTrn13 committed
168

169
        dl_dlclose(bd->h_libaacs);
cRTrn13's avatar
cRTrn13 committed
170 171
    }

172 173 174 175 176 177 178
    if (bd->h_libbdplus && bd->bdplus) {
        fptr_p_void bdplus_free = dl_dlsym(bd->h_libbdplus, "bdplus_free");
        if (bdplus_free) bdplus_free(bd->bdplus);
        bd->bdplus = NULL;

        dl_dlclose(bd->h_libbdplus);
        bd->h_libbdplus = NULL;
cRTrn13's avatar
cRTrn13 committed
179

180 181
        bd->bdplus_seek  = NULL;
        bd->bdplus_fixup = NULL;
182
    }
cRTrn13's avatar
cRTrn13 committed
183

cRTrn13's avatar
cRTrn13 committed
184 185 186
    if (bd->fp) {
        file_close(bd->fp);
    }
cRTrn13's avatar
cRTrn13 committed
187

j45's avatar
j45 committed
188 189 190 191 192 193 194
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
    }
    if (bd->title != NULL) {
        nav_title_close(bd->title);
    }

195 196
    X_FREE(bd->device_path);

j45's avatar
j45 committed
197
    DEBUG(DBG_BLURAY, "BLURAY destroyed! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
198 199

    X_FREE(bd);
cRTrn13's avatar
cRTrn13 committed
200
}
cRTrn13's avatar
cRTrn13 committed
201

j45's avatar
j45 committed
202 203 204 205 206 207 208 209 210 211 212 213 214
int _read_block(BLURAY *bd)
{
    const int len = 6144;

    if (bd->fp) {
        DEBUG(DBG_BLURAY, "Reading unit [%d bytes] at %"PRIu64"... (%p)\n",
              len, bd->clip_block_pos, bd);

        if (len + bd->clip_block_pos <= bd->clip_size) {
            int read_len;

            if ((read_len = file_read(bd->fp, bd->int_buf, len))) {
                if (read_len != len)
j45's avatar
j45 committed
215
                    DEBUG(DBG_BLURAY | DBG_CRIT, "Read %d bytes at %"PRIu64" ; requested %d ! (%p)\n", read_len, bd->clip_block_pos, len, bd);
j45's avatar
j45 committed
216 217 218 219 220

                if (bd->h_libaacs && bd->aacs) {
                    // FIXME: calling dlsym for every read() call.
                    if ((bd->libaacs_decrypt_unit = dl_dlsym(bd->h_libaacs, "aacs_decrypt_unit"))) {
                        if (!bd->libaacs_decrypt_unit(bd->aacs, bd->int_buf, len, bd->clip_block_pos)) {
j45's avatar
j45 committed
221
                            DEBUG(DBG_BLURAY, "Unable decrypt unit! (%p)\n", bd);
j45's avatar
j45 committed
222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262

                            return 0;
                        } // decrypt
                    } // dlsym
                } // aacs

                bd->clip_block_pos += len;

                // bdplus fixup, if required.
                if (bd->bdplus_fixup && bd->bdplus) {
                    int32_t numFixes;
                    numFixes = bd->bdplus_fixup(bd->bdplus, len, bd->int_buf);
#if 0
                    if (numFixes) {
                        DEBUG(DBG_BLURAY,
                              "BDPLUS did %u fixups\n", numFixes);
                    }
#endif

                }

                DEBUG(DBG_BLURAY, "Read unit OK! (%p)\n", bd);

                return 1;
            }

            DEBUG(DBG_BLURAY | DBG_CRIT, "Read %d bytes at %"PRIu64" failed ! (%p)\n", len, bd->clip_block_pos, bd);

            return 0;
        }

        DEBUG(DBG_BLURAY | DBG_CRIT, "Read past EOF ! (%p)\n", bd);

        return 0;
    }

    DEBUG(DBG_BLURAY, "No valid title selected! (%p)\n", bd);

    return 0;
}

263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
int64_t bd_seek_time(BLURAY *bd, uint64_t tick)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

    if (bd->seamless_angle_change) {
        bd->clip = nav_set_angle(bd->title, bd->clip, bd->request_angle);
        bd->angle = bd->request_angle;
        bd->seamless_angle_change = 0;
    }
    if (tick < bd->title->duration) {
        tick /= 2;

        // Find the closest access unit to the requested position
        clip = nav_time_search(bd->title, tick, &clip_pkt, &out_pkt);
        if (clip->ref != bd->clip->ref) {
            // The position is in a new clip
            bd->clip = clip;
            if (!_open_m2ts(bd)) {
                return -1;
            }
        }
        bd->s_pos = (uint64_t)out_pkt * 192;
        bd->clip_pos = (uint64_t)clip_pkt * 192;
        bd->clip_block_pos = (bd->clip_pos / 6144) * 6144;

        file_seek(bd->fp, bd->clip_block_pos, SEEK_SET);

        bd->int_buf_off = 6144;

        DEBUG(DBG_BLURAY, "Seek to %"PRIu64" (%p)\n",
              bd->s_pos, bd);
        if (bd->bdplus_seek && bd->bdplus)
            bd->bdplus_seek(bd->bdplus, bd->clip_block_pos);

        return bd->s_pos;
    }

    return bd->s_pos;
}

j45's avatar
j45 committed
304
int64_t bd_seek(BLURAY *bd, uint64_t pos)
cRTrn13's avatar
cRTrn13 committed
305
{
j45's avatar
j45 committed
306 307 308
    uint32_t pkt, clip_pkt, out_pkt, out_time;
    NAV_CLIP *clip;

309 310 311 312 313
    if (bd->seamless_angle_change) {
        bd->clip = nav_set_angle(bd->title, bd->clip, bd->request_angle);
        bd->angle = bd->request_angle;
        bd->seamless_angle_change = 0;
    }
cRTrn13's avatar
cRTrn13 committed
314
    if (pos < bd->s_size) {
j45's avatar
j45 committed
315 316 317 318 319 320 321 322 323 324 325 326 327 328
        pkt = pos / 192;

        // Find the closest access unit to the requested position
        clip = nav_packet_search(bd->title, pkt, &clip_pkt, &out_pkt, &out_time);
        if (clip->ref != bd->clip->ref) {
            // The position is in a new clip
            bd->clip = clip;
            if (!_open_m2ts(bd)) {
                return -1;
            }
        }
        bd->s_pos = (uint64_t)out_pkt * 192;
        bd->clip_pos = (uint64_t)clip_pkt * 192;
        bd->clip_block_pos = (bd->clip_pos / 6144) * 6144;
cRTrn13's avatar
cRTrn13 committed
329

j45's avatar
j45 committed
330
        file_seek(bd->fp, bd->clip_block_pos, SEEK_SET);
331

332 333
        bd->int_buf_off = 6144;

j45's avatar
j45 committed
334
        DEBUG(DBG_BLURAY, "Seek to %"PRIu64" (%p)\n",
Accident's avatar
 
Accident committed
335
              bd->s_pos, bd);
336
        if (bd->bdplus_seek && bd->bdplus)
337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364
            bd->bdplus_seek(bd->bdplus, bd->clip_block_pos);

        return bd->s_pos;
    }

    return bd->s_pos;
}

static int64_t _clip_seek_time(BLURAY *bd, uint64_t tick)
{
    uint32_t clip_pkt, out_pkt;

    if (tick < bd->clip->out_time) {

        // Find the closest access unit to the requested position
        nav_clip_time_search(bd->clip, tick, &clip_pkt, &out_pkt);
        bd->s_pos = (uint64_t)out_pkt * 192;
        bd->clip_pos = (uint64_t)clip_pkt * 192;
        bd->clip_block_pos = (bd->clip_pos / 6144) * 6144;

        file_seek(bd->fp, bd->clip_block_pos, SEEK_SET);

        bd->int_buf_off = 6144;

        DEBUG(DBG_BLURAY, "Clip seek to %"PRIu64" (%p)\n",
              bd->s_pos, bd);
        if (bd->bdplus_seek && bd->bdplus)
            bd->bdplus_seek(bd->bdplus, bd->clip_block_pos);
365

j45's avatar
j45 committed
366
        return bd->s_pos;
cRTrn13's avatar
cRTrn13 committed
367 368 369 370 371 372 373
    }

    return bd->s_pos;
}

int bd_read(BLURAY *bd, unsigned char *buf, int len)
{
j45's avatar
j45 committed
374 375
    int size;
    int out_len;
cRTrn13's avatar
cRTrn13 committed
376

j45's avatar
j45 committed
377 378 379 380 381 382 383
    if (bd->fp) {
        out_len = 0;
        DEBUG(DBG_BLURAY, "Reading [%d bytes] at %"PRIu64"... (%p)\n", len, bd->s_pos, bd);

        while (len > 0) {
            uint32_t clip_pkt;

384
            size = len;
j45's avatar
j45 committed
385 386
            // Do we need to read more data?
            clip_pkt = bd->clip_pos / 192;
387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410
            if (bd->seamless_angle_change) {
                if (clip_pkt >= bd->angle_change_pkt) {
                    if (clip_pkt >= bd->clip->end_pkt) {
                        bd->clip = nav_next_clip(bd->title, bd->clip);
                        if (!_open_m2ts(bd)) {
                            return -1;
                        }
                        bd->s_pos = bd->clip->pos;
                    } else {
                        bd->clip = nav_set_angle(bd->title, bd->clip, bd->request_angle);
                        _clip_seek_time(bd, bd->angle_change_time);
                    }
                    bd->angle = bd->request_angle;
                    bd->seamless_angle_change = 0;
                } else {
                    int64_t angle_pos;

                    angle_pos = (int64_t)bd->angle_change_pkt * 192;
                    if (angle_pos - bd->clip_pos < size)
                    {
                        size = angle_pos - bd->clip_pos;
                    }
                }
            }
j45's avatar
j45 committed
411 412 413 414 415 416
            if (bd->int_buf_off == 6144 || clip_pkt >= bd->clip->end_pkt) {

                // Do we need to get the next clip?
                if (clip_pkt >= bd->clip->end_pkt) {
                    bd->clip = nav_next_clip(bd->title, bd->clip);
                    if (bd->clip == NULL) {
j45's avatar
j45 committed
417
                        DEBUG(DBG_BLURAY, "End of title (%p)\n", bd);
j45's avatar
j45 committed
418 419 420 421 422 423 424 425 426 427 428 429 430 431
                        return out_len;
                    }
                    if (!_open_m2ts(bd)) {
                        return -1;
                    }
                }
                if (_read_block(bd)) {

                    bd->int_buf_off = bd->clip_pos % 6144;

                } else {
                    return out_len;
                }
            }
432
            if (size > 6144 - bd->int_buf_off) {
j45's avatar
j45 committed
433 434 435 436 437 438 439 440 441 442
                size = 6144 - bd->int_buf_off;
            }
            memcpy(buf, bd->int_buf + bd->int_buf_off, size);
            buf += size;
            len -= size;
            out_len += size;
            bd->clip_pos += size;
            bd->int_buf_off += size;
            bd->s_pos += size;
        }
443

j45's avatar
j45 committed
444
        DEBUG(DBG_BLURAY, "%d bytes read OK! (%p)\n", out_len, bd);
cRTrn13's avatar
cRTrn13 committed
445

j45's avatar
j45 committed
446 447
        return out_len;
    }
Accident's avatar
 
Accident committed
448

j45's avatar
j45 committed
449
    DEBUG(DBG_BLURAY, "No valid title selected! (%p)\n", bd);
450

j45's avatar
j45 committed
451
    return -1;
cRTrn13's avatar
cRTrn13 committed
452
}
cRTrn13's avatar
cRTrn13 committed
453

j45's avatar
j45 committed
454 455 456 457
// Select a title for playback
// The title index is an index into the list 
// established by bd_get_titles()
int bd_select_title(BLURAY *bd, uint32_t title_idx)
cRTrn13's avatar
cRTrn13 committed
458
{
j45's avatar
j45 committed
459
    char *f_name;
cRTrn13's avatar
cRTrn13 committed
460

j45's avatar
j45 committed
461 462
    // Open the playlist
    if (bd->title_list == NULL) {
j45's avatar
j45 committed
463
        DEBUG(DBG_BLURAY, "Title list not yet read! (%p)\n", bd);
j45's avatar
j45 committed
464 465 466
        return 0;
    }
    if (bd->title_list->count <= title_idx) {
j45's avatar
j45 committed
467
        DEBUG(DBG_BLURAY, "Invalid title index %d! (%p)\n", title_idx, bd);
j45's avatar
j45 committed
468 469 470 471 472
        return 0;
    }
    f_name = bd->title_list->title_info[title_idx].name;
    bd->title = nav_title_open(bd->device_path, f_name);
    if (bd->title == NULL) {
j45's avatar
j45 committed
473
        DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open title %s! (%p)\n", 
j45's avatar
j45 committed
474 475 476
              f_name, bd);
        return 0;
    }
cRTrn13's avatar
cRTrn13 committed
477

478 479
    bd->angle = 0;
    bd->seamless_angle_change = 0;
cRTrn13's avatar
cRTrn13 committed
480
    bd->s_pos = 0;
j45's avatar
j45 committed
481
    bd->s_size = (uint64_t)bd->title->packets * 192;
cRTrn13's avatar
cRTrn13 committed
482

j45's avatar
j45 committed
483 484 485
    // Get the initial clip of the playlist
    bd->clip = nav_next_clip(bd->title, NULL);
    if (_open_m2ts(bd)) {
j45's avatar
j45 committed
486
        DEBUG(DBG_BLURAY, "Title %s selected! (%p)\n", f_name, bd);
j45's avatar
j45 committed
487 488 489 490
        return 1;
    }
    return 0;
}
491

492 493 494 495 496 497 498 499 500 501
int bd_select_angle(BLURAY *bd, int angle)
{
    if (bd->title == NULL) {
        DEBUG(DBG_BLURAY, "Title not yet selected! (%p)\n", bd);
        return 0;
    }
    bd->clip = nav_set_angle(bd->title, bd->clip, angle);
    return 1;
}

502 503 504 505 506 507 508 509 510 511 512
void bd_seamless_angle_change(BLURAY *bd, int angle)
{
    uint32_t clip_pkt;

    clip_pkt = (bd->clip_pos + 191) / 192;
    bd->angle_change_pkt = nav_angle_change_search(bd->clip, clip_pkt, 
                                                   &bd->angle_change_time);
    bd->request_angle = angle;
    bd->seamless_angle_change = 1;
}

j45's avatar
j45 committed
513 514 515 516
uint64_t bd_get_title_size(BLURAY *bd)
{
    return bd ? bd->s_size : UINT64_C(0);
}
cRTrn13's avatar
cRTrn13 committed
517

j45's avatar
j45 committed
518 519 520 521
uint64_t bd_tell(BLURAY *bd)
{
    return bd ? bd->s_pos : INT64_C(0);
}
522

j45's avatar
j45 committed
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537
// This must be called after bd_open() and before bd_select_title().
// Populates the title list in BLURAY.
// Filtering of the returned list is controled throught flags
//  TITLES_ALL              - all titles
//  TITLES_FILTER_DUP_TITLE - remove duplicate titles
//  TITLES_FILTER_DUP_CLIP  - remove titles that have duplicated clips
//  TITLES_RELEVANT         - remove dup titles and clips
//
//  Returns the number of titles found
uint32_t bd_get_titles(BLURAY *bd, uint8_t flags)
{
    if (!bd) {
        DEBUG(DBG_BLURAY | DBG_CRIT, "bd_get_titles(NULL) failed (%p)\n", bd);
        return 0;
    }
538

j45's avatar
j45 committed
539 540
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
cRTrn13's avatar
cRTrn13 committed
541
    }
j45's avatar
j45 committed
542
    bd->title_list = nav_get_title_list(bd->device_path, flags);
cRTrn13's avatar
cRTrn13 committed
543

j45's avatar
j45 committed
544 545 546 547
    if (!bd->title_list) {
        DEBUG(DBG_BLURAY | DBG_CRIT, "nav_get_title_list(%s) failed (%p)\n", bd->device_path, bd);
        return 0;
    }
548

j45's avatar
j45 committed
549
    return bd->title_list->count;
cRTrn13's avatar
cRTrn13 committed
550
}
551

j45's avatar
j45 committed
552
BD_TITLE_INFO* bd_get_title_info(BLURAY *bd, uint32_t title_idx)
553
{
j45's avatar
j45 committed
554 555 556 557 558
    NAV_TITLE *title;
    BD_TITLE_INFO *title_info;
    int ii;

    if (bd->title_list == NULL) {
j45's avatar
j45 committed
559
        DEBUG(DBG_BLURAY, "Title list not yet read! (%p)\n", bd);
j45's avatar
j45 committed
560 561 562
        return NULL;
    }
    if (bd->title_list->count <= title_idx) {
j45's avatar
j45 committed
563
        DEBUG(DBG_BLURAY, "Invalid title index %d! (%p)\n", title_idx, bd);
j45's avatar
j45 committed
564 565 566 567
        return NULL;
    }
    title = nav_title_open(bd->device_path, bd->title_list->title_info[title_idx].name);
    if (title == NULL) {
j45's avatar
j45 committed
568
        DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open title %s! (%p)\n", 
j45's avatar
j45 committed
569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585
              bd->title_list->title_info[title_idx].name, bd);
        return NULL;
    }
    title_info = calloc(1, sizeof(BD_TITLE_INFO));
    title_info->idx = title_idx;
    title_info->duration = (uint64_t)title->duration * 2;
    title_info->angle_count = title->angle_count;
    title_info->chapter_count = title->chap_list.count;
    title_info->chapters = calloc(title_info->chapter_count, sizeof(BD_TITLE_CHAPTER));
    for (ii = 0; ii < title_info->chapter_count; ii++) {
        title_info->chapters[ii].idx = ii;
        title_info->chapters[ii].start = (uint64_t)title->chap_list.chapter[ii].title_time * 2;
        title_info->chapters[ii].duration = (uint64_t)title->chap_list.chapter[ii].duration * 2;
        title_info->chapters[ii].offset = (uint64_t)title->chap_list.chapter[ii].title_pkt * 192;
    }
    nav_title_close(title);
    return title_info;
586
}
cRTrn13's avatar
cRTrn13 committed
587

j45's avatar
j45 committed
588
void bd_free_title_info(BD_TITLE_INFO *title_info)
cRTrn13's avatar
cRTrn13 committed
589
{
j45's avatar
j45 committed
590 591
    X_FREE(title_info->chapters);
    X_FREE(title_info);
cRTrn13's avatar
cRTrn13 committed
592
}
j45's avatar
j45 committed
593