bluray.c 52.3 KB
Newer Older
1 2
/*
 * This file is part of libbluray
3
 * Copyright (C) 2009-2010  Obliter0n
4
 * Copyright (C) 2009-2010  John Stebbins
hpi1's avatar
hpi1 committed
5
 * Copyright (C) 2010       hpi1
6
 *
gates's avatar
gates committed
7 8 9 10
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
11
 *
gates's avatar
gates committed
12
 * This library is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
gates's avatar
gates committed
14 15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
16
 *
gates's avatar
gates committed
17 18 19
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see
 * <http://www.gnu.org/licenses/>.
20 21
 */

Accident's avatar
 
Accident committed
22 23 24 25
#if HAVE_CONFIG_H
#include "config.h"
#endif

26
#include "bluray.h"
hpi1's avatar
hpi1 committed
27
#include "register.h"
28 29 30 31 32
#include "util/macro.h"
#include "util/logging.h"
#include "util/strutl.h"
#include "bdnav/navigation.h"
#include "bdnav/index_parse.h"
33
#include "bdnav/meta_parse.h"
hpi1's avatar
hpi1 committed
34
#include "hdmv/hdmv_vm.h"
35
#include "decoders/graphics_controller.h"
36
#include "file/file.h"
37
#ifdef DLOPEN_CRYPTO_LIBS
38 39
#include "file/dl.h"
#endif
40 41 42
#ifdef USING_BDJAVA
#include "bdj/bdj.h"
#endif
43

44
#ifndef DLOPEN_CRYPTO_LIBS
45
#include <libaacs/aacs.h>
46
#include <libbdplus/bdplus.h>
47
#endif
48
#include <stdlib.h>
49 50
#include <inttypes.h>
#include <string.h>
51

hpi1's avatar
hpi1 committed
52 53 54
typedef int     (*fptr_int)();
typedef int32_t (*fptr_int32)();
typedef void*   (*fptr_p_void)();
hpi1's avatar
hpi1 committed
55 56

#define MAX_EVENTS 31  /* 2^n - 1 */
hpi1's avatar
hpi1 committed
57
typedef struct bd_event_queue_s {
hpi1's avatar
hpi1 committed
58 59
    unsigned in;  /* next free slot */
    unsigned out; /* next event */
john's avatar
john committed
60
    BD_EVENT ev[MAX_EVENTS+1];
hpi1's avatar
hpi1 committed
61 62 63 64 65 66 67 68
} BD_EVENT_QUEUE;

typedef enum {
    title_undef = 0,
    title_hdmv,
    title_bdj,
} BD_TITLE_TYPE;

69 70 71 72 73 74 75 76 77 78 79 80 81
typedef struct {
    /* current clip */
    NAV_CLIP       *clip;
    BD_FILE_H      *fp;
    uint64_t       clip_size;
    uint64_t       clip_block_pos;
    uint64_t       clip_pos;

    /* current aligned unit */
    uint16_t       int_buf_off;

} BD_STREAM;

hpi1's avatar
hpi1 committed
82 83 84 85 86 87
typedef struct {
    NAV_CLIP *clip;
    uint64_t  clip_size;
    uint8_t  *buf;
} BD_PRELOAD;

hpi1's avatar
hpi1 committed
88 89 90
struct bluray {

    /* current disc */
hpi1's avatar
hpi1 committed
91 92 93
    char             *device_path;
    BLURAY_DISC_INFO  disc_info;
    INDX_ROOT        *index;
94
    META_ROOT        *meta;
hpi1's avatar
hpi1 committed
95
    NAV_TITLE_LIST   *title_list;
hpi1's avatar
hpi1 committed
96 97 98

    /* current playlist */
    NAV_TITLE      *title;
99
    uint32_t       title_idx;
hpi1's avatar
hpi1 committed
100 101
    uint64_t       s_pos;

102 103
    /* streams */
    BD_STREAM      st0; /* main path */
hpi1's avatar
hpi1 committed
104
    BD_PRELOAD     st_ig; /* preloaded IG stream sub path */
hpi1's avatar
hpi1 committed
105

106
    /* buffer for bd_read(): current aligned unit of main stream (st0) */
hpi1's avatar
hpi1 committed
107 108 109 110 111 112 113 114
    uint8_t        int_buf[6144];

    /* seamless angle change request */
    int            seamless_angle_change;
    uint32_t       angle_change_pkt;
    uint32_t       angle_change_time;
    unsigned       request_angle;

115
    /* chapter tracking */
john's avatar
john committed
116
    uint64_t       next_chapter_start;
117

hpi1's avatar
hpi1 committed
118
    /* aacs */
119
#ifdef DLOPEN_CRYPTO_LIBS
hpi1's avatar
hpi1 committed
120
    void           *h_libaacs;   // library handle
121
#endif
hpi1's avatar
hpi1 committed
122
    void           *aacs;
123
    fptr_p_void    libaacs_open;
hpi1's avatar
hpi1 committed
124 125 126
    fptr_int       libaacs_decrypt_unit;

    /* BD+ */
127
#ifdef DLOPEN_CRYPTO_LIBS
hpi1's avatar
hpi1 committed
128
    void           *h_libbdplus; // library handle
129
#endif
hpi1's avatar
hpi1 committed
130
    void           *bdplus;
131
    fptr_p_void    bdplus_init;
hpi1's avatar
hpi1 committed
132 133 134 135 136 137 138 139
    fptr_int32     bdplus_seek;
    fptr_int32     bdplus_fixup;

    /* player state */
    BD_REGISTERS   *regs;       // player registers
    BD_EVENT_QUEUE *event_queue; // navigation mode event queue
    BD_TITLE_TYPE  title_type;  // type of current title (in navigation mode)

hpi1's avatar
hpi1 committed
140 141 142
    HDMV_VM        *hdmv_vm;
    uint8_t        hdmv_suspended;

hpi1's avatar
hpi1 committed
143
    void           *bdjava;
144 145 146

    /* graphics */
    GRAPHICS_CONTROLLER *graphics_controller;
hpi1's avatar
hpi1 committed
147 148
};

149 150 151 152 153 154 155 156 157 158 159 160 161
#ifdef DLOPEN_CRYPTO_LIBS
#    define DL_CALL(lib,func,param,...)             \
     do {                                           \
          fptr_p_void fptr = dl_dlsym(lib, #func);  \
          if (fptr) {                               \
              fptr(param, ##__VA_ARGS__);           \
          }                                         \
      } while (0)
#else
#    define DL_CALL(lib,func,param,...)         \
     func (param, ##__VA_ARGS__)
#endif

hpi1's avatar
hpi1 committed
162 163 164 165
/*
 * Navigation mode event queue
 */

hpi1's avatar
hpi1 committed
166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201
static void _init_event_queue(BLURAY *bd)
{
    if (!bd->event_queue) {
        bd->event_queue = calloc(1, sizeof(struct bd_event_queue_s));
    } else {
        memset(bd->event_queue, 0, sizeof(struct bd_event_queue_s));
    }
}

static int _get_event(BLURAY *bd, BD_EVENT *ev)
{
    struct bd_event_queue_s *eq = bd->event_queue;

    if (eq) {
        if (eq->in != eq->out) {
            *ev = eq->ev[eq->out];
            eq->out = (eq->out + 1) & MAX_EVENTS;
            return 1;
        }
    }

    ev->event = BD_EVENT_NONE;

    return 0;
}

static int _queue_event(BLURAY *bd, BD_EVENT ev)
{
    struct bd_event_queue_s *eq = bd->event_queue;

    if (eq) {
        unsigned new_in = (eq->in + 1) & MAX_EVENTS;

        if (new_in != eq->out) {
            eq->ev[eq->in] = ev;
            eq->in = new_in;
hpi1's avatar
hpi1 committed
202
            return 1;
hpi1's avatar
hpi1 committed
203 204 205 206 207
        }

        DEBUG(DBG_BLURAY|DBG_CRIT, "_queue_event(%d, %d): queue overflow !\n", ev.event, ev.param);
    }

hpi1's avatar
hpi1 committed
208
    return 0;
hpi1's avatar
hpi1 committed
209 210
}

211
/*
212
 * clip access (BD_STREAM)
213 214
 */

hpi1's avatar
hpi1 committed
215 216 217 218 219 220 221 222
static void _close_m2ts(BD_STREAM *st)
{
    if (st->fp != NULL) {
        file_close(st->fp);
        st->fp = NULL;
    }
}

223 224 225 226
static int _open_m2ts(BLURAY *bd, BD_STREAM *st)
{
    char *f_name;

hpi1's avatar
hpi1 committed
227 228
    _close_m2ts(st);

229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252
    f_name = str_printf("%s" DIR_SEP "BDMV" DIR_SEP "STREAM" DIR_SEP "%s",
                        bd->device_path, st->clip->name);

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

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

            if (bd->bdplus) {
                DL_CALL(bd->h_libbdplus, bdplus_set_title,
                        bd->bdplus, st->clip->clip_id);
            }

            if (bd->aacs) {
                uint32_t title = bd_psr_read(bd->regs, PSR_TITLE_NUMBER);
                DL_CALL(bd->h_libaacs, aacs_select_title,
                        bd->aacs, title);
            }

hpi1's avatar
hpi1 committed
253
            if (st == &bd->st0) {
254
                bd_psr_write(bd->regs, PSR_PLAYITEM, st->clip->ref);
hpi1's avatar
hpi1 committed
255 256
                bd_psr_write(bd->regs, PSR_TIME,     st->clip->in_time);
            }
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275

            return 1;
        }

        DEBUG(DBG_BLURAY, "Clip %s empty! (%p)\n", f_name, bd);
    }

    DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open clip %s! (%p)\n",
          f_name, bd);

    X_FREE(f_name);
    return 0;
}

static int _read_block(BLURAY *bd, BD_STREAM *st, uint8_t *buf)
{
    const int len = 6144;

    if (st->fp) {
276
        DEBUG(DBG_STREAM, "Reading unit [%d bytes] at %"PRIu64"... (%p)\n",
277 278 279 280 281 282 283
              len, st->clip_block_pos, bd);

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

            if ((read_len = file_read(st->fp, buf, len))) {
                if (read_len != len)
284
                    DEBUG(DBG_STREAM | DBG_CRIT, "Read %d bytes at %"PRIu64" ; requested %d ! (%p)\n", read_len, st->clip_block_pos, len, bd);
285

286
                if (bd->aacs && bd->libaacs_decrypt_unit) {
287
                    if (!bd->libaacs_decrypt_unit(bd->aacs, buf)) {
288
                        DEBUG(DBG_AACS | DBG_CRIT, "Unable decrypt unit (AACS)! (%p)\n", bd);
289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308

                        return 0;
                    } // decrypt
                } // aacs

                st->clip_block_pos += len;

                // bdplus fixup, if required.
                if (bd->bdplus_fixup && bd->bdplus) {
                    int32_t numFixes;
                    numFixes = bd->bdplus_fixup(bd->bdplus, len, buf);
#if 1
                    if (numFixes) {
                        DEBUG(DBG_BDPLUS,
                              "BDPLUS did %u fixups\n", numFixes);
                    }
#endif

                }

hpi1's avatar
hpi1 committed
309 310 311 312 313 314 315 316
                /* Check TP_extra_header Copy_permission_indicator. If != 0, unit is still encrypted. */
                if (buf[0] & 0xc0) {
                    DEBUG(DBG_BLURAY | DBG_CRIT,
                          "TP header copy permission indicator != 0, unit is still encrypted? (%p)\n", bd);
                    _queue_event(bd, (BD_EVENT){BD_EVENT_ENCRYPTED, 0});
                    return 0;
                }

317
                DEBUG(DBG_STREAM, "Read unit OK! (%p)\n", bd);
318 319 320 321

                return 1;
            }

322
            DEBUG(DBG_STREAM | DBG_CRIT, "Read %d bytes at %"PRIu64" failed ! (%p)\n", len, st->clip_block_pos, bd);
323 324 325 326

            return 0;
        }

327
        DEBUG(DBG_STREAM | DBG_CRIT, "Read past EOF ! (%p)\n", bd);
328 329 330 331 332 333 334 335 336

        return 0;
    }

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

    return 0;
}

hpi1's avatar
hpi1 committed
337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388
/*
 * clip preload (BD_PRELOAD)
 */

static void _close_preload(BD_PRELOAD *p)
{
    X_FREE(p->buf);
    memset(p, 0, sizeof(*p));
}

static int _preload_m2ts(BLURAY *bd, BD_PRELOAD *p)
{
    /* setup and open BD_STREAM */

    BD_STREAM st;

    memset(&st, 0, sizeof(st));
    st.clip = p->clip;

    if (!_open_m2ts(bd, &st)) {
        return 0;
    }

    /* allocate buffer */
    p->clip_size = st.clip_size;
    p->buf       = realloc(p->buf, p->clip_size);

    /* read clip to buffer */

    uint8_t *buf = p->buf;
    uint8_t *end = p->buf + p->clip_size;

    for (; buf < end; buf += 6144) {
        if (!_read_block(bd, &st, buf)) {
            DEBUG(DBG_BLURAY|DBG_CRIT, "_preload_m2ts(): error loading %s at %"PRIu64"\n",
                  st.clip->name, (uint64_t)(buf - p->buf));
            _close_m2ts(&st);
            _close_preload(p);
            return 0;
        }
    }

    /* */

    DEBUG(DBG_BLURAY, "_preload_m2ts(): loaded %"PRIu64" bytes from %s\n",
          st.clip_size, st.clip->name);

    _close_m2ts(&st);

    return 1;
}

389 390 391 392 393 394
static int64_t _seek_stream(BLURAY *bd, BD_STREAM *st,
                            NAV_CLIP *clip, uint32_t clip_pkt)
{
    if (!clip)
        return -1;

395
    if (!st->fp || !st->clip || clip->ref != st->clip->ref) {
396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412
        // The position is in a new clip
        st->clip = clip;
        if (!_open_m2ts(bd, st)) {
            return -1;
        }
    }

    st->clip_pos = (uint64_t)clip_pkt * 192;
    st->clip_block_pos = (st->clip_pos / 6144) * 6144;

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

    st->int_buf_off = 6144;

    return st->clip_pos;
}

hpi1's avatar
hpi1 committed
413
/*
414
 * libaacs and libbdplus open / close
hpi1's avatar
hpi1 committed
415 416
 */

hpi1's avatar
hpi1 committed
417 418 419 420 421 422
static void _libaacs_close(BLURAY *bd)
{
    if (bd->aacs) {
        DL_CALL(bd->h_libaacs, aacs_close, bd->aacs);
        bd->aacs = NULL;
    }
423 424 425 426 427
}

static void _libaacs_unload(BLURAY *bd)
{
    _libaacs_close(bd);
hpi1's avatar
hpi1 committed
428 429 430 431 432 433 434 435

#ifdef DLOPEN_CRYPTO_LIBS
    if (bd->h_libaacs) {
        dl_dlclose(bd->h_libaacs);
        bd->h_libaacs = NULL;
    }
#endif

436
    bd->libaacs_open         = NULL;
hpi1's avatar
hpi1 committed
437 438 439
    bd->libaacs_decrypt_unit = NULL;
}

440 441 442 443 444 445 446 447 448 449 450 451 452
static int _libaacs_required(BLURAY *bd)
{
    BD_FILE_H *fd;
    char      *tmp;

    tmp = str_printf("%s/AACS/Unit_Key_RO.inf", bd->device_path);
    fd = file_open(tmp, "rb");
    X_FREE(tmp);

    if (fd) {
        file_close(fd);

        DEBUG(DBG_BLURAY, "AACS/Unit_Key_RO.inf found. Disc seems to be AACS protected (%p)\n", bd);
hpi1's avatar
hpi1 committed
453
        bd->disc_info.aacs_detected = 1;
454 455 456 457
        return 1;
    }

    DEBUG(DBG_BLURAY, "AACS/Unit_Key_RO.inf not found. No AACS protection (%p)\n", bd);
hpi1's avatar
hpi1 committed
458
    bd->disc_info.aacs_detected = 0;
459 460 461
    return 0;
}

462
static int _libaacs_load(BLURAY *bd)
463
{
464 465 466
#ifdef DLOPEN_CRYPTO_LIBS
    if (bd->h_libaacs) {
        return 1;
467 468
    }

hpi1's avatar
hpi1 committed
469
    bd->disc_info.libaacs_detected = 0;
470
    if ((bd->h_libaacs = dl_dlopen("libaacs", "0"))) {
471

472 473 474
        DEBUG(DBG_BLURAY, "Loading libaacs (%p)\n", bd->h_libaacs);

        bd->libaacs_open         = dl_dlsym(bd->h_libaacs, "aacs_open");
475 476
        bd->libaacs_decrypt_unit = dl_dlsym(bd->h_libaacs, "aacs_decrypt_unit");

477 478
        if (bd->libaacs_open && bd->libaacs_decrypt_unit) {
            DEBUG(DBG_BLURAY, "Loaded libaacs (%p)\n", bd->h_libaacs);
hpi1's avatar
hpi1 committed
479
            bd->disc_info.libaacs_detected = 1;
480 481
            return 1;

482
        } else {
483
            DEBUG(DBG_BLURAY, "libaacs dlsym failed! (%p)\n", bd->h_libaacs);
484
        }
485

486
    } else {
487
        DEBUG(DBG_BLURAY, "libaacs not found! (%p)\n", bd);
488
    }
489 490 491 492 493

    _libaacs_unload(bd);

    return 0;

494
#else
495
    DEBUG(DBG_BLURAY, "Using libaacs via normal linking\n");
496

497
    bd->libaacs_open         = &aacs_open;
498
    bd->libaacs_decrypt_unit = &aacs_decrypt_unit;
hpi1's avatar
hpi1 committed
499
    bd->disc_info.libaacs_detected = 1;
500

501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519
    return 1;
#endif
}

static int _libaacs_open(BLURAY *bd, const char *keyfile_path)
{
    _libaacs_close(bd);

    if (!_libaacs_required(bd)) {
        /* no AACS */
        return 1; /* no error if libaacs is not needed */
    }

    if (!_libaacs_load(bd)) {
        /* no libaacs */
        return 0;
    }

    bd->aacs = bd->libaacs_open(bd->device_path, keyfile_path);
520

521
    if (bd->aacs) {
522
        DEBUG(DBG_BLURAY, "Opened libaacs (%p)\n", bd->aacs);
hpi1's avatar
hpi1 committed
523
        bd->disc_info.aacs_handled = 1;
524
        return 1;
525
    }
526

527
    DEBUG(DBG_BLURAY, "aacs_open() failed!\n");
hpi1's avatar
hpi1 committed
528
    bd->disc_info.aacs_handled = 0;
529

530
    _libaacs_unload(bd);
531 532 533
    return 0;
}

hpi1's avatar
hpi1 committed
534 535 536 537 538 539
static void _libbdplus_close(BLURAY *bd)
{
    if (bd->bdplus) {
        DL_CALL(bd->h_libbdplus, bdplus_free, bd->bdplus);
        bd->bdplus = NULL;
    }
540 541 542 543 544
}

static void _libbdplus_unload(BLURAY *bd)
{
    _libbdplus_close(bd);
hpi1's avatar
hpi1 committed
545 546 547 548 549 550 551 552

#ifdef DLOPEN_CRYPTO_LIBS
    if (bd->h_libbdplus) {
        dl_dlclose(bd->h_libbdplus);
        bd->h_libbdplus = NULL;
    }
#endif

553
    bd->bdplus_init  = NULL;
hpi1's avatar
hpi1 committed
554 555 556 557
    bd->bdplus_seek  = NULL;
    bd->bdplus_fixup = NULL;
}

558 559 560 561 562 563 564 565 566 567 568 569 570
static int _libbdplus_required(BLURAY *bd)
{
    BD_FILE_H *fd;
    char      *tmp;

    tmp = str_printf("%s/BDSVM/00000.svm", bd->device_path);
    fd = file_open(tmp, "rb");
    X_FREE(tmp);

    if (fd) {
        file_close(fd);

        DEBUG(DBG_BLURAY, "BDSVM/00000.svm found. Disc seems to be BD+ protected (%p)\n", bd);
hpi1's avatar
hpi1 committed
571
        bd->disc_info.bdplus_detected = 1;
572 573 574 575
        return 1;
    }

    DEBUG(DBG_BLURAY, "BDSVM/00000.svm not found. No BD+ protection (%p)\n", bd);
hpi1's avatar
hpi1 committed
576
    bd->disc_info.bdplus_detected = 0;
577 578 579
    return 0;
}

580
static int _libbdplus_load(BLURAY *bd)
581
{
582
    DEBUG(DBG_BDPLUS, "attempting to load libbdplus\n");
hpi1's avatar
hpi1 committed
583

584 585 586
#ifdef DLOPEN_CRYPTO_LIBS
    if (bd->h_libbdplus) {
        return 1;
587 588
    }

hpi1's avatar
hpi1 committed
589
    bd->disc_info.libbdplus_detected = 0;
hpi1's avatar
hpi1 committed
590
    if ((bd->h_libbdplus = dl_dlopen("libbdplus", "0"))) {
591

592 593 594 595 596 597 598 599
        DEBUG(DBG_BLURAY, "Loading libbdplus (%p)\n", bd->h_libbdplus);

        bd->bdplus_init  = dl_dlsym(bd->h_libbdplus, "bdplus_init");
        bd->bdplus_seek  = dl_dlsym(bd->h_libbdplus, "bdplus_seek");
        bd->bdplus_fixup = dl_dlsym(bd->h_libbdplus, "bdplus_fixup");

        if (bd->bdplus_init && bd->bdplus_seek && bd->bdplus_fixup) {
            DEBUG(DBG_BLURAY, "Loaded libbdplus (%p)\n", bd->h_libbdplus);
hpi1's avatar
hpi1 committed
600
            bd->disc_info.libbdplus_detected = 1;
601
            return 1;
hpi1's avatar
hpi1 committed
602
        }
603 604 605 606 607

        DEBUG(DBG_BLURAY, "libbdplus dlsym failed! (%p)\n", bd->h_libbdplus);

    } else {
        DEBUG(DBG_BLURAY, "libbdplus not found! (%p)\n", bd);
hpi1's avatar
hpi1 committed
608
    }
609 610 611 612 613

    _libbdplus_unload(bd);

    return 0;

614
#else
hpi1's avatar
hpi1 committed
615
    DEBUG(DBG_BLURAY,"Using libbdplus via normal linking\n");
616

617
    bd->bdplus_init  = &bdplus_init;
hpi1's avatar
hpi1 committed
618 619
    bd->bdplus_seek  = &bdplus_seek;
    bd->bdplus_fixup = &bdplus_fixup;
hpi1's avatar
hpi1 committed
620
    bd->disc_info.libbdplus_detected = 1;
621 622

    return 1;
623
#endif
624
}
hpi1's avatar
hpi1 committed
625

626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649
static int _libbdplus_open(BLURAY *bd, const char *keyfile_path)
{
    // Take a quick stab to see if we want/need bdplus
    // we should fix this, and add various string functions.
    uint8_t vid[16] = {
        0xC5,0x43,0xEF,0x2A,0x15,0x0E,0x50,0xC4,0xE2,0xCA,
        0x71,0x65,0xB1,0x7C,0xA7,0xCB}; // FIXME

    _libbdplus_close(bd);

    if (!_libbdplus_required(bd)) {
        /* no BD+ */
        return 1; /* no error if libbdplus is not needed */
    }

    if (!_libbdplus_load(bd)) {
        /* no libbdplus */
        return 0;
    }

    bd->bdplus = bd->bdplus_init(bd->device_path, keyfile_path, vid);

    if (bd->bdplus) {
        DEBUG(DBG_BLURAY,"libbdplus initialized\n");
hpi1's avatar
hpi1 committed
650
        bd->disc_info.bdplus_handled = 1;
651 652 653 654
        return 1;
    }

    DEBUG(DBG_BLURAY,"bdplus_init() failed\n");
hpi1's avatar
hpi1 committed
655
    bd->disc_info.bdplus_handled = 0;
656 657 658

    _libbdplus_unload(bd);
    return 0;
659 660
}

661 662 663 664
/*
 * index open
 */

hpi1's avatar
hpi1 committed
665
static int _index_open(BLURAY *bd)
666
{
hpi1's avatar
hpi1 committed
667 668
    if (!bd->index) {
        char *file;
669

hpi1's avatar
hpi1 committed
670 671 672 673
        file = str_printf("%s/BDMV/index.bdmv", bd->device_path);
        bd->index = indx_parse(file);
        X_FREE(file);
    }
674

hpi1's avatar
hpi1 committed
675
    return !!bd->index;
676 677
}

678 679 680 681 682 683 684 685 686 687 688 689
/*
 * meta open
 */

static int _meta_open(BLURAY *bd)
{
    if (!bd->meta){
      bd->meta = meta_parse(bd->device_path);
    }

    return !!bd->meta;
}
hpi1's avatar
hpi1 committed
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739
/*
 * disc info
 */

const BLURAY_DISC_INFO *bd_get_disc_info(BLURAY *bd)
{
    return &bd->disc_info;
}

static void _fill_disc_info(BLURAY *bd)
{
    bd->disc_info.bluray_detected        = 0;
    bd->disc_info.top_menu_supported     = 0;
    bd->disc_info.first_play_supported   = 0;
    bd->disc_info.num_hdmv_titles        = 0;
    bd->disc_info.num_bdj_titles         = 0;
    bd->disc_info.num_unsupported_titles = 0;

    if (bd->index) {
        INDX_PLAY_ITEM *pi;
        unsigned        ii;

        bd->disc_info.bluray_detected = 1;

        pi = &bd->index->first_play;
        if (pi->object_type == indx_object_type_hdmv && pi->hdmv.id_ref != 0xffff) {
            bd->disc_info.first_play_supported = 1;
        }

        pi = &bd->index->top_menu;
        if (pi->object_type == indx_object_type_hdmv && pi->hdmv.id_ref != 0xffff) {
            bd->disc_info.top_menu_supported = 1;
        }

        for (ii = 0; ii < bd->index->num_titles; ii++) {
            if (bd->index->titles[ii].object_type == indx_object_type_hdmv) {
                bd->disc_info.num_hdmv_titles++;
            }
            if (bd->index->titles[ii].object_type == indx_object_type_bdj) {
                bd->disc_info.num_bdj_titles++;
                bd->disc_info.num_unsupported_titles++;
            }
        }
    }
}

/*
 * open / close
 */

cRTrn13's avatar
cRTrn13 committed
740 741
BLURAY *bd_open(const char* device_path, const char* keyfile_path)
{
742
    BLURAY *bd = calloc(1, sizeof(BLURAY));
cRTrn13's avatar
cRTrn13 committed
743

cRTrn13's avatar
cRTrn13 committed
744
    if (device_path) {
Accident's avatar
 
Accident committed
745

746 747
        bd->device_path = (char*)malloc(strlen(device_path) + 1);
        strcpy(bd->device_path, device_path);
cRTrn13's avatar
cRTrn13 committed
748

749
        _libaacs_open(bd, keyfile_path);
750

751
        _libbdplus_open(bd, keyfile_path);
752

753
        _index_open(bd);
754

755 756
        bd->meta = NULL;

hpi1's avatar
hpi1 committed
757 758
        bd->regs = bd_registers_init();

hpi1's avatar
hpi1 committed
759 760
        _fill_disc_info(bd);

j45's avatar
j45 committed
761
        DEBUG(DBG_BLURAY, "BLURAY initialized! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
762
    } else {
cRTrn13's avatar
cRTrn13 committed
763 764
        X_FREE(bd);

cRTrn13's avatar
cRTrn13 committed
765
        DEBUG(DBG_BLURAY | DBG_CRIT, "No device path provided!\n");
cRTrn13's avatar
cRTrn13 committed
766 767 768 769 770 771 772
    }

    return bd;
}

void bd_close(BLURAY *bd)
{
hpi1's avatar
hpi1 committed
773 774
    bd_stop_bdj(bd);

775
    _libaacs_unload(bd);
776

777
    _libbdplus_unload(bd);
cRTrn13's avatar
cRTrn13 committed
778

hpi1's avatar
hpi1 committed
779
    _close_m2ts(&bd->st0);
hpi1's avatar
hpi1 committed
780
    _close_preload(&bd->st_ig);
cRTrn13's avatar
cRTrn13 committed
781

j45's avatar
j45 committed
782 783 784 785 786 787 788
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
    }
    if (bd->title != NULL) {
        nav_title_close(bd->title);
    }

789
    hdmv_vm_free(&bd->hdmv_vm);
790

791
    gc_free(&bd->graphics_controller);
792
    indx_free(&bd->index);
hpi1's avatar
hpi1 committed
793 794
    bd_registers_free(bd->regs);

hpi1's avatar
hpi1 committed
795
    X_FREE(bd->event_queue);
796 797
    X_FREE(bd->device_path);

j45's avatar
j45 committed
798
    DEBUG(DBG_BLURAY, "BLURAY destroyed! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
799 800

    X_FREE(bd);
cRTrn13's avatar
cRTrn13 committed
801
}
cRTrn13's avatar
cRTrn13 committed
802

hpi1's avatar
hpi1 committed
803 804 805 806
/*
 * seeking and current position
 */

807
static int64_t _seek_internal(BLURAY *bd,
808
                              NAV_CLIP *clip, uint32_t title_pkt, uint32_t clip_pkt)
809
{
810
    if (_seek_stream(bd, &bd->st0, clip, clip_pkt) >= 0) {
811

812 813
        /* update title position */
        bd->s_pos = (uint64_t)title_pkt * 192;
814

815 816 817 818
        /* chapter tracking */
        uint32_t current_chapter = bd_get_current_chapter(bd);
        bd->next_chapter_start = bd_chapter_pos(bd, current_chapter + 1);
        bd_psr_write(bd->regs, PSR_CHAPTER,  current_chapter + 1);
819

820 821
        DEBUG(DBG_BLURAY, "Seek to %"PRIu64" (%p)\n",
              bd->s_pos, bd);
822

823 824 825 826
        if (bd->bdplus_seek && bd->bdplus) {
            bd->bdplus_seek(bd->bdplus, bd->st0.clip_block_pos);
        }
    }
827 828 829 830

    return bd->s_pos;
}

831
/* _change_angle() should be used only before call to _seek_internal() ! */
832
static void _change_angle(BLURAY *bd)
833 834
{
    if (bd->seamless_angle_change) {
835
        bd->st0.clip = nav_set_angle(bd->title, bd->st0.clip, bd->request_angle);
836
        bd->seamless_angle_change = 0;
837
        bd_psr_write(bd->regs, PSR_ANGLE_NUMBER, bd->title->angle + 1);
838 839 840

        /* force re-opening .m2ts file in _seek_internal() */
        _close_m2ts(&bd->st0);
841
    }
842 843 844 845 846 847
}

int64_t bd_seek_time(BLURAY *bd, uint64_t tick)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;
hpi1's avatar
hpi1 committed
848 849 850

    tick /= 2;

851 852
    if (bd->title &&
        tick < bd->title->duration) {
853

854 855
        _change_angle(bd);

856 857 858
        // Find the closest access unit to the requested position
        clip = nav_time_search(bd->title, tick, &clip_pkt, &out_pkt);

859
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
860 861 862 863 864
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
865 866 867 868 869 870 871 872 873 874 875
uint64_t bd_tell_time(BLURAY *bd)
{
    uint32_t clip_pkt = 0, out_pkt = 0, out_time = 0;

    if (bd && bd->title) {
        nav_packet_search(bd->title, bd->s_pos / 192, &clip_pkt, &out_pkt, &out_time);
    }

    return ((uint64_t)out_time) * 2;
}

hpi1's avatar
hpi1 committed
876
int64_t bd_seek_chapter(BLURAY *bd, unsigned chapter)
j45's avatar
j45 committed
877 878 879 880
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

881 882
    if (bd->title &&
        chapter < bd->title->chap_list.count) {
883

884 885
        _change_angle(bd);

886 887
        // Find the closest access unit to the requested position
        clip = nav_chapter_search(bd->title, chapter, &clip_pkt, &out_pkt);
j45's avatar
j45 committed
888

889
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
890 891 892
    }

    return bd->s_pos;
j45's avatar
j45 committed
893 894
}

hpi1's avatar
hpi1 committed
895
int64_t bd_chapter_pos(BLURAY *bd, unsigned chapter)
896 897 898
{
    uint32_t clip_pkt, out_pkt;

899 900 901
    if (bd->title &&
        chapter < bd->title->chap_list.count) {

hpi1's avatar
hpi1 committed
902 903 904 905 906 907
        // Find the closest access unit to the requested position
        nav_chapter_search(bd->title, chapter, &clip_pkt, &out_pkt);
        return (int64_t)out_pkt * 192;
    }

    return -1;
908 909
}

910 911
uint32_t bd_get_current_chapter(BLURAY *bd)
{
912 913 914 915 916
    if (bd->title) {
        return nav_chapter_get_current(bd->st0.clip, bd->st0.clip_pos / 192);
    }

    return 0;
917 918
}

919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
int64_t bd_seek_playitem(BLURAY *bd, unsigned clip_ref)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

    if (bd->title &&
        clip_ref < bd->title->clip_list.count) {

      _change_angle(bd);

      clip     = &bd->title->clip_list.clip[clip_ref];
      clip_pkt = clip->start_pkt;
      out_pkt  = clip->pos;

      return _seek_internal(bd, clip, out_pkt, clip_pkt);
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
939
int64_t bd_seek_mark(BLURAY *bd, unsigned mark)
j45's avatar
j45 committed
940 941 942 943
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

944 945
    if (bd->title &&
        mark < bd->title->mark_list.count) {
946

947 948
        _change_angle(bd);

949 950
        // Find the closest access unit to the requested position
        clip = nav_mark_search(bd->title, mark, &clip_pkt, &out_pkt);
j45's avatar
j45 committed
951

952
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
953 954 955
    }

    return bd->s_pos;
j45's avatar
j45 committed
956 957
}

j45's avatar
j45 committed
958
int64_t bd_seek(BLURAY *bd, uint64_t pos)
cRTrn13's avatar
cRTrn13 committed
959
{
j45's avatar
j45 committed
960 961 962
    uint32_t pkt, clip_pkt, out_pkt, out_time;
    NAV_CLIP *clip;

963 964 965
    if (bd->title &&
        pos < (uint64_t)bd->title->packets * 192) {

j45's avatar
j45 committed
966 967
        pkt = pos / 192;

968 969
        _change_angle(bd);

j45's avatar
j45 committed
970 971
        // Find the closest access unit to the requested position
        clip = nav_packet_search(bd->title, pkt, &clip_pkt, &out_pkt, &out_time);
972

973
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
974 975 976 977 978
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
979 980
uint64_t bd_get_title_size(BLURAY *bd)
{
hpi1's avatar
hpi1 committed
981 982 983 984
    if (bd && bd->title) {
        return (uint64_t)bd->title->packets * 192;
    }
    return UINT64_C(0);
hpi1's avatar
hpi1 committed
985 986 987 988 989 990 991 992 993 994 995
}

uint64_t bd_tell(BLURAY *bd)
{
    return bd ? bd->s_pos : INT64_C(0);
}

/*
 * read
 */

996
static int64_t _clip_seek_time(BLURAY *bd, uint64_t tick)
997 998 999
{
    uint32_t clip_pkt, out_pkt;

1000
    if (tick < bd->st0.clip->out_time) {
1001 1002

        // Find the closest access unit to the requested position
1003
        nav_clip_time_search(bd->st0.clip, tick, &clip_pkt, &out_pkt);
1004

1005
        return _seek_internal(bd, bd->st0.clip, out_pkt, clip_pkt);
cRTrn13's avatar
cRTrn13 committed
1006 1007 1008 1009 1010 1011 1012
    }

    return bd->s_pos;
}

int bd_read(BLURAY *bd, unsigned char *buf, int len)
{
1013
    BD_STREAM *st = &bd->st0;
j45's avatar
j45 committed
1014
    int out_len;
cRTrn13's avatar
cRTrn13 committed
1015

1016
    if (st->fp) {
j45's avatar
j45 committed
1017
        out_len = 0;
1018
        DEBUG(DBG_STREAM, "Reading [%d bytes] at %"PRIu64"... (%p)\n", len, bd->s_pos, bd);
j45's avatar
j45 committed
1019 1020 1021 1022

        while (len > 0) {
            uint32_t clip_pkt;

1023
            unsigned int size = len;
j45's avatar
j45 committed
1024
            // Do we need to read more data?
1025
            clip_pkt = st->clip_pos / 192;
1026 1027
            if (bd->seamless_angle_change) {
                if (clip_pkt >= bd->angle_change_pkt) {
1028 1029 1030
                    if (clip_pkt >= st->clip->end_pkt) {
                        st->clip = nav_next_clip(bd->title, st->clip);
                        if (!_open_m2ts(bd, st)) {
1031 1032
                            return -1;
                        }
1033
                        bd->s_pos = st->clip->pos;
1034
                    } else {
1035
                        _change_angle(bd);
1036
                        _clip_seek_time(bd, bd->angle_change_time);
1037 1038 1039
                    }
                    bd->seamless_angle_change = 0;
                } else {
1040
                    uint64_t angle_pos;
1041

1042
                    angle_pos = bd->angle_change_pkt * 192;
1043
                    if (angle_pos - st->clip_pos < size)
1044
                    {
1045
                        size = angle_pos - st->clip_pos;
1046 1047 1048
                    }
                }
            }
1049
            if (st->int_buf_off == 6144 || clip_pkt >= st->clip->end_pkt) {
j45's avatar
j45 committed
1050 1051

                // Do we need to get the next clip?
1052
                if (st->clip == NULL) {
1053 1054
                    // We previously reached the last clip.  Nothing
                    // else to read.
hpi1's avatar
hpi1 committed
1055
                    _queue_event(bd, (BD_EVENT){BD_EVENT_END_OF_TITLE, 0});
hpi1's avatar
hpi1 committed
1056
                    return 0;
1057
                }
1058
                if (clip_pkt >= st->clip->end_pkt) {
hpi1's avatar
hpi1 committed
1059 1060 1061 1062 1063 1064

                    // split read()'s at clip boundary
                    if (out_len) {
                        return out_len;
                    }

hpi1's avatar
hpi1 committed
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076
                    MPLS_PI *pi = &st->clip->title->pl->play_item[st->clip->ref];

                    // handle still mode clips
                    if (pi->still_mode == BLURAY_STILL_INFINITE) {
                        _queue_event(bd, (BD_EVENT){BD_EVENT_STILL_TIME, 0});
                        return 0;
                    }
                    if (pi->still_mode == BLURAY_STILL_TIME) {
                        _queue_event(bd, (BD_EVENT){BD_EVENT_STILL_TIME, pi->still_time});
                    }

                    // find next clip
1077 1078
                    st->clip = nav_next_clip(bd->title, st->clip);
                    if (st->clip == NULL) {
1079
                        DEBUG(DBG_BLURAY|DBG_STREAM, "End of title (%p)\n", bd);
hpi1's avatar
hpi1 committed
1080 1081
                        _queue_event(bd, (BD_EVENT){BD_EVENT_END_OF_TITLE, 0});
                        return 0;
j45's avatar
j45 committed
1082
                    }
1083
                    if (!_open_m2ts(bd, st)) {
j45's avatar
j45 committed
1084 1085
                        return -1;
                    }
hpi1's avatar
hpi1 committed
1086 1087 1088 1089 1090 1091 1092 1093

                    // timed still mode: allow application to process BD_EVENT_STILL_TIME.
                    // next bd_read() will return new data.
                    if (bd->event_queue) {
                        if (pi->still_mode == BLURAY_STILL_TIME) {
                            return 0;
                        }
                    }
j45's avatar
j45 committed
1094
                }
hpi1's avatar
hpi1 committed
1095

1096
                if (_read_block(bd, st, bd->int_buf)) {
j45's avatar
j45 committed
1097

1098
                    st->int_buf_off = st