bluray.c 20.1 KB
Newer Older
Accident's avatar
 
Accident committed
1 2 3 4
#if HAVE_CONFIG_H
#include "config.h"
#endif

5 6 7 8 9 10 11 12
#include "bluray.h"
#include "util/macro.h"
#include "util/logging.h"
#include "util/strutl.h"
#include "file/dl.h"
#include "bdnav/navigation.h"
#include "bdnav/index_parse.h"

13
#ifndef USING_DLOPEN
14
#include <libaacs/aacs.h>
15
#include <libbdplus/bdplus.h>
16
#endif
17
#include <stdlib.h>
18 19
#include <inttypes.h>
#include <string.h>
20

j45's avatar
j45 committed
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
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
50
        DEBUG(DBG_BLURAY, "Clip %s empty! (%p)\n", f_name, bd);
j45's avatar
j45 committed
51 52
    }

Accident's avatar
Accident committed
53
    DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open clip %s! (%p)\n",
j45's avatar
j45 committed
54 55 56 57 58
          f_name, bd);

    X_FREE(f_name);
    return 0;
}
cRTrn13's avatar
cRTrn13 committed
59

60 61
static int _libaacs_open(BLURAY *bd, const char *keyfile_path)
{
62
#ifdef USING_DLOPEN
63 64 65
    if ((bd->h_libaacs = dl_dlopen("aacs"))) {
        DEBUG(DBG_BLURAY, "Downloaded libaacs (%p)\n", bd->h_libaacs);

66
        fptr_p_void fptr = dl_dlsym(bd->h_libaacs, "aacs_open");
67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
        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");
    }
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
#else
    if ((bd->h_libaacs = NULL)) {
        DEBUG(DBG_BLURAY, "Using libaacs via normal linking\n");

        fptr_p_void fptr = (fptr_p_void)&aacs_open;
        bd->libaacs_decrypt_unit = &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");
        }
    }
#endif
98 99 100 101 102 103 104

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

    return 0;
}

105 106 107 108 109 110 111 112 113 114 115 116 117 118
int _index_open(BLURAY *bd)
{
    char *file;

    file = str_printf("%s/BDMV/index.bdmv", bd->device_path);
    bd->index = indx_parse(file);
    X_FREE(file);
    if (!bd->index) {
        return 0;
    }

    return 1;
}

cRTrn13's avatar
cRTrn13 committed
119 120
BLURAY *bd_open(const char* device_path, const char* keyfile_path)
{
121
    BLURAY *bd = calloc(1, sizeof(BLURAY));
cRTrn13's avatar
cRTrn13 committed
122

cRTrn13's avatar
cRTrn13 committed
123
    if (device_path) {
Accident's avatar
 
Accident committed
124 125

        bd->device_path = strdup(device_path);
cRTrn13's avatar
cRTrn13 committed
126

cRTrn13's avatar
cRTrn13 committed
127 128 129 130
        bd->aacs = NULL;
        bd->h_libaacs = NULL;
        bd->fp = NULL;

cRTrn13's avatar
Fix  
cRTrn13 committed
131
        if (keyfile_path) {
132
            _libaacs_open(bd, keyfile_path);
cRTrn13's avatar
cRTrn13 committed
133
        } else {
j45's avatar
j45 committed
134
            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
135 136
        }

137 138 139 140

        // 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
141 142 143
            uint8_t vid[16] = {
                0xC5,0x43,0xEF,0x2A,0x15,0x0E,0x50,0xC4,0xE2,0xCA,
                0x71,0x65,0xB1,0x7C,0xA7,0xCB}; // FIXME
144 145 146 147 148 149 150
            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");
151
#ifdef USING_DLOPEN
152
                if ((bd->h_libbdplus = dl_dlopen("bdplus"))) {
j45's avatar
j45 committed
153
                    DEBUG(DBG_BLURAY, "Downloaded libbdplus (%p)\n",
154 155 156 157 158 159 160 161 162 163 164 165
                          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");

166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182
                }
#else
                if ((bd->h_libbdplus = NULL)) {
                    DEBUG(DBG_BLURAY,"Using libbdplus via normal linking\n");

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

                    // Since we will call these functions a lot, we assign them
                    // now.
                    bd->bdplus_seek  = &bdplus_seek;
                    bd->bdplus_fixup = &bdplus_fixup;

                }
#endif
183 184 185 186
            } // file_open
            X_FREE(tmp);
        }

187
        _index_open(bd);
188

j45's avatar
j45 committed
189
        DEBUG(DBG_BLURAY, "BLURAY initialized! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
190
    } else {
cRTrn13's avatar
cRTrn13 committed
191 192
        X_FREE(bd);

cRTrn13's avatar
cRTrn13 committed
193
        DEBUG(DBG_BLURAY | DBG_CRIT, "No device path provided!\n");
cRTrn13's avatar
cRTrn13 committed
194 195 196 197 198 199 200
    }

    return bd;
}

void bd_close(BLURAY *bd)
{
201 202
    if (bd->h_libaacs && bd->aacs) {
        fptr_p_void fptr = dl_dlsym(bd->h_libaacs, "aacs_close");
Accident's avatar
 
Accident committed
203
        fptr(bd->aacs);  // FIXME: NULL
cRTrn13's avatar
cRTrn13 committed
204

205
        dl_dlclose(bd->h_libaacs);
cRTrn13's avatar
cRTrn13 committed
206 207
    }

208 209 210 211 212 213 214
    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
215

216 217
        bd->bdplus_seek  = NULL;
        bd->bdplus_fixup = NULL;
218
    }
cRTrn13's avatar
cRTrn13 committed
219

cRTrn13's avatar
cRTrn13 committed
220 221 222
    if (bd->fp) {
        file_close(bd->fp);
    }
cRTrn13's avatar
cRTrn13 committed
223

j45's avatar
j45 committed
224 225 226 227 228 229
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
    }
    if (bd->title != NULL) {
        nav_title_close(bd->title);
    }
230 231 232
    if (bd->index != NULL) {
        indx_free(bd->index);
    }
j45's avatar
j45 committed
233

234 235
    X_FREE(bd->device_path);

j45's avatar
j45 committed
236
    DEBUG(DBG_BLURAY, "BLURAY destroyed! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
237 238

    X_FREE(bd);
cRTrn13's avatar
cRTrn13 committed
239
}
cRTrn13's avatar
cRTrn13 committed
240

j45's avatar
j45 committed
241 242 243 244 245 246 247 248 249 250 251 252 253
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
254
                    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
255

256 257 258 259 260 261
                if (bd->libaacs_decrypt_unit) {
                    if (!bd->libaacs_decrypt_unit(bd->aacs, bd->int_buf, len, bd->clip_block_pos)) {
                        DEBUG(DBG_BLURAY, "Unable decrypt unit! (%p)\n", bd);

                        return 0;
                    } // decrypt
j45's avatar
j45 committed
262 263 264 265 266 267 268 269
                } // 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);
Accident's avatar
Accident committed
270
#if 1
j45's avatar
j45 committed
271
                    if (numFixes) {
Accident's avatar
Accident committed
272
                        DEBUG(DBG_BDPLUS,
j45's avatar
j45 committed
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
                              "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;
}

299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339
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
340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399
int64_t bd_seek_chapter(BLURAY *bd, int chapter)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

    // Find the closest access unit to the requested position
    clip = nav_chapter_search(bd->title, chapter, &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;
}

int64_t bd_seek_mark(BLURAY *bd, int mark)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

    // Find the closest access unit to the requested position
    clip = nav_mark_search(bd->title, mark, &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;
}

j45's avatar
j45 committed
400
int64_t bd_seek(BLURAY *bd, uint64_t pos)
cRTrn13's avatar
cRTrn13 committed
401
{
j45's avatar
j45 committed
402 403 404
    uint32_t pkt, clip_pkt, out_pkt, out_time;
    NAV_CLIP *clip;

405 406 407 408 409
    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
410
    if (pos < bd->s_size) {
j45's avatar
j45 committed
411 412 413 414 415 416 417 418 419 420 421 422 423 424
        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
425

j45's avatar
j45 committed
426
        file_seek(bd->fp, bd->clip_block_pos, SEEK_SET);
427

428 429
        bd->int_buf_off = 6144;

j45's avatar
j45 committed
430
        DEBUG(DBG_BLURAY, "Seek to %"PRIu64" (%p)\n",
Accident's avatar
 
Accident committed
431
              bd->s_pos, bd);
432
        if (bd->bdplus_seek && bd->bdplus)
433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460
            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);
461

j45's avatar
j45 committed
462
        return bd->s_pos;
cRTrn13's avatar
cRTrn13 committed
463 464 465 466 467 468 469
    }

    return bd->s_pos;
}

int bd_read(BLURAY *bd, unsigned char *buf, int len)
{
j45's avatar
j45 committed
470 471
    int size;
    int out_len;
cRTrn13's avatar
cRTrn13 committed
472

j45's avatar
j45 committed
473 474 475 476 477 478 479
    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;

480
            size = len;
j45's avatar
j45 committed
481 482
            // Do we need to read more data?
            clip_pkt = bd->clip_pos / 192;
483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
            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
507 508 509 510 511 512
            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
513
                        DEBUG(DBG_BLURAY, "End of title (%p)\n", bd);
j45's avatar
j45 committed
514 515 516 517 518 519 520 521 522 523 524 525 526 527
                        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;
                }
            }
528
            if (size > 6144 - bd->int_buf_off) {
j45's avatar
j45 committed
529 530 531 532 533 534 535 536 537 538
                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;
        }
539

j45's avatar
j45 committed
540
        DEBUG(DBG_BLURAY, "%d bytes read OK! (%p)\n", out_len, bd);
cRTrn13's avatar
cRTrn13 committed
541

j45's avatar
j45 committed
542 543
        return out_len;
    }
Accident's avatar
 
Accident committed
544

j45's avatar
j45 committed
545
    DEBUG(DBG_BLURAY, "No valid title selected! (%p)\n", bd);
546

j45's avatar
j45 committed
547
    return -1;
cRTrn13's avatar
cRTrn13 committed
548
}
cRTrn13's avatar
cRTrn13 committed
549

j45's avatar
j45 committed
550
// Select a title for playback
Accident's avatar
Accident committed
551
// The title index is an index into the list
j45's avatar
j45 committed
552 553
// established by bd_get_titles()
int bd_select_title(BLURAY *bd, uint32_t title_idx)
cRTrn13's avatar
cRTrn13 committed
554
{
j45's avatar
j45 committed
555
    char *f_name;
cRTrn13's avatar
cRTrn13 committed
556

j45's avatar
j45 committed
557 558
    // Open the playlist
    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 0;
    }
    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
        return 0;
    }
566 567 568 569 570

    if (bd->title) {
        nav_title_close(bd->title);
    }

j45's avatar
j45 committed
571 572 573
    f_name = bd->title_list->title_info[title_idx].name;
    bd->title = nav_title_open(bd->device_path, f_name);
    if (bd->title == NULL) {
574
        DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open title %s! (%p)\n",
j45's avatar
j45 committed
575 576 577
              f_name, bd);
        return 0;
    }
cRTrn13's avatar
cRTrn13 committed
578

579 580
    bd->angle = 0;
    bd->seamless_angle_change = 0;
cRTrn13's avatar
cRTrn13 committed
581
    bd->s_pos = 0;
j45's avatar
j45 committed
582
    bd->s_size = (uint64_t)bd->title->packets * 192;
cRTrn13's avatar
cRTrn13 committed
583

j45's avatar
j45 committed
584 585 586
    // Get the initial clip of the playlist
    bd->clip = nav_next_clip(bd->title, NULL);
    if (_open_m2ts(bd)) {
j45's avatar
j45 committed
587
        DEBUG(DBG_BLURAY, "Title %s selected! (%p)\n", f_name, bd);
j45's avatar
j45 committed
588 589 590 591
        return 1;
    }
    return 0;
}
592

593 594 595 596 597 598 599 600 601 602
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;
}

603 604 605 606 607
void bd_seamless_angle_change(BLURAY *bd, int angle)
{
    uint32_t clip_pkt;

    clip_pkt = (bd->clip_pos + 191) / 192;
Accident's avatar
Accident committed
608
    bd->angle_change_pkt = nav_angle_change_search(bd->clip, clip_pkt,
609 610 611 612 613
                                                   &bd->angle_change_time);
    bd->request_angle = angle;
    bd->seamless_angle_change = 1;
}

j45's avatar
j45 committed
614 615 616 617
uint64_t bd_get_title_size(BLURAY *bd)
{
    return bd ? bd->s_size : UINT64_C(0);
}
cRTrn13's avatar
cRTrn13 committed
618

j45's avatar
j45 committed
619 620 621 622
uint64_t bd_tell(BLURAY *bd)
{
    return bd ? bd->s_pos : INT64_C(0);
}
623

j45's avatar
j45 committed
624 625 626 627 628 629 630 631 632 633 634 635 636 637 638
// 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;
    }
639

j45's avatar
j45 committed
640 641
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
cRTrn13's avatar
cRTrn13 committed
642
    }
j45's avatar
j45 committed
643
    bd->title_list = nav_get_title_list(bd->device_path, flags);
cRTrn13's avatar
cRTrn13 committed
644

j45's avatar
j45 committed
645 646 647 648
    if (!bd->title_list) {
        DEBUG(DBG_BLURAY | DBG_CRIT, "nav_get_title_list(%s) failed (%p)\n", bd->device_path, bd);
        return 0;
    }
649

j45's avatar
j45 committed
650
    return bd->title_list->count;
cRTrn13's avatar
cRTrn13 committed
651
}
652

j45's avatar
j45 committed
653
BD_TITLE_INFO* bd_get_title_info(BLURAY *bd, uint32_t title_idx)
654
{
j45's avatar
j45 committed
655 656 657 658 659
    NAV_TITLE *title;
    BD_TITLE_INFO *title_info;
    int ii;

    if (bd->title_list == NULL) {
j45's avatar
j45 committed
660
        DEBUG(DBG_BLURAY, "Title list not yet read! (%p)\n", bd);
j45's avatar
j45 committed
661 662 663
        return NULL;
    }
    if (bd->title_list->count <= title_idx) {
j45's avatar
j45 committed
664
        DEBUG(DBG_BLURAY, "Invalid title index %d! (%p)\n", title_idx, bd);
j45's avatar
j45 committed
665 666 667 668
        return NULL;
    }
    title = nav_title_open(bd->device_path, bd->title_list->title_info[title_idx].name);
    if (title == NULL) {
Accident's avatar
Accident committed
669
        DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open title %s! (%p)\n",
j45's avatar
j45 committed
670 671 672 673 674 675 676 677 678 679 680
              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;
j45's avatar
j45 committed
681 682 683
        title_info->chapters[ii].start = (uint64_t)title->chap_list.mark[ii].title_time * 2;
        title_info->chapters[ii].duration = (uint64_t)title->chap_list.mark[ii].duration * 2;
        title_info->chapters[ii].offset = (uint64_t)title->chap_list.mark[ii].title_pkt * 192;
j45's avatar
j45 committed
684 685 686
    }
    nav_title_close(title);
    return title_info;
687
}
cRTrn13's avatar
cRTrn13 committed
688

j45's avatar
j45 committed
689
void bd_free_title_info(BD_TITLE_INFO *title_info)
cRTrn13's avatar
cRTrn13 committed
690
{
j45's avatar
j45 committed
691 692
    X_FREE(title_info->chapters);
    X_FREE(title_info);
cRTrn13's avatar
cRTrn13 committed
693
}
j45's avatar
j45 committed
694