bluray.c 57.1 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"
34
#include "bdnav/clpi_parse.h"
hpi1's avatar
hpi1 committed
35
#include "hdmv/hdmv_vm.h"
36
#include "decoders/graphics_controller.h"
37
#include "file/file.h"
38
#ifdef DLOPEN_CRYPTO_LIBS
39 40
#include "file/dl.h"
#endif
41 42 43
#ifdef USING_BDJAVA
#include "bdj/bdj.h"
#endif
44

45
#ifndef DLOPEN_CRYPTO_LIBS
46
#include <libaacs/aacs.h>
47
#include <libbdplus/bdplus.h>
48
#endif
49
#include <stdlib.h>
50 51
#include <inttypes.h>
#include <string.h>
52

hpi1's avatar
hpi1 committed
53 54 55
typedef int     (*fptr_int)();
typedef int32_t (*fptr_int32)();
typedef void*   (*fptr_p_void)();
hpi1's avatar
hpi1 committed
56 57

#define MAX_EVENTS 31  /* 2^n - 1 */
hpi1's avatar
hpi1 committed
58
typedef struct bd_event_queue_s {
hpi1's avatar
hpi1 committed
59 60
    unsigned in;  /* next free slot */
    unsigned out; /* next event */
john's avatar
john committed
61
    BD_EVENT ev[MAX_EVENTS+1];
hpi1's avatar
hpi1 committed
62 63 64 65 66 67 68 69
} BD_EVENT_QUEUE;

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

70 71 72 73 74 75 76 77 78 79 80 81 82
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
83 84 85 86 87 88
typedef struct {
    NAV_CLIP *clip;
    uint64_t  clip_size;
    uint8_t  *buf;
} BD_PRELOAD;

hpi1's avatar
hpi1 committed
89 90 91
struct bluray {

    /* current disc */
hpi1's avatar
hpi1 committed
92 93 94
    char             *device_path;
    BLURAY_DISC_INFO  disc_info;
    INDX_ROOT        *index;
95
    META_ROOT        *meta;
hpi1's avatar
hpi1 committed
96
    NAV_TITLE_LIST   *title_list;
hpi1's avatar
hpi1 committed
97 98 99

    /* current playlist */
    NAV_TITLE      *title;
100
    uint32_t       title_idx;
hpi1's avatar
hpi1 committed
101 102
    uint64_t       s_pos;

103 104
    /* streams */
    BD_STREAM      st0; /* main path */
hpi1's avatar
hpi1 committed
105
    BD_PRELOAD     st_ig; /* preloaded IG stream sub path */
hpi1's avatar
hpi1 committed
106

107
    /* buffer for bd_read(): current aligned unit of main stream (st0) */
hpi1's avatar
hpi1 committed
108 109 110 111 112 113 114 115
    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;

116
    /* chapter tracking */
john's avatar
john committed
117
    uint64_t       next_chapter_start;
118

hpi1's avatar
hpi1 committed
119
    /* aacs */
120
#ifdef DLOPEN_CRYPTO_LIBS
hpi1's avatar
hpi1 committed
121
    void           *h_libaacs;   // library handle
122
#endif
hpi1's avatar
hpi1 committed
123
    void           *aacs;
124
    fptr_p_void    libaacs_open;
hpi1's avatar
hpi1 committed
125 126 127
    fptr_int       libaacs_decrypt_unit;

    /* BD+ */
128
#ifdef DLOPEN_CRYPTO_LIBS
hpi1's avatar
hpi1 committed
129
    void           *h_libbdplus; // library handle
130
#endif
hpi1's avatar
hpi1 committed
131
    void           *bdplus;
132
    fptr_p_void    bdplus_init;
hpi1's avatar
hpi1 committed
133 134 135 136 137 138 139 140
    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
141 142 143
    HDMV_VM        *hdmv_vm;
    uint8_t        hdmv_suspended;

hpi1's avatar
hpi1 committed
144
    void           *bdjava;
145 146 147

    /* graphics */
    GRAPHICS_CONTROLLER *graphics_controller;
hpi1's avatar
hpi1 committed
148 149
};

150 151 152
#ifdef DLOPEN_CRYPTO_LIBS
#    define DL_CALL(lib,func,param,...)             \
     do {                                           \
153
          fptr_p_void fptr = (fptr_p_void)dl_dlsym(lib, #func);  \
154 155 156 157 158 159 160 161 162
          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
163 164 165 166
/*
 * Navigation mode event queue
 */

hpi1's avatar
hpi1 committed
167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202
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
203
            return 1;
hpi1's avatar
hpi1 committed
204 205
        }

206
        BD_DEBUG(DBG_BLURAY|DBG_CRIT, "_queue_event(%d, %d): queue overflow !\n", ev.event, ev.param);
hpi1's avatar
hpi1 committed
207 208
    }

hpi1's avatar
hpi1 committed
209
    return 0;
hpi1's avatar
hpi1 committed
210 211
}

212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279
/*
 * PSR utils
 */

static void _update_stream_psr_by_lang(BD_REGISTERS *regs,
                                       uint32_t psr_lang, uint32_t psr_stream,
                                       uint32_t enable_flag, uint32_t undefined_val,
                                       MPLS_STREAM *streams, unsigned num_streams)
{
    uint32_t psr_val;
    int      stream_idx = -1;
    unsigned ii;

    /* get preferred language */
    psr_val = bd_psr_read(regs, psr_lang);
    if (psr_val == 0xffffff) {
        /* language setting not initialized */
        return;
    }

    /* find stream */

    for (ii = 0; ii < num_streams; ii++) {
        if (psr_val == str_to_uint32((const char *)streams[ii].lang, 3)) {
            stream_idx = ii;
            break;
        }
    }

    if (stream_idx < 0) {
        /* requested language not found */
        stream_idx = undefined_val - 1;
        enable_flag = 0;
    }

    /* update PSR */

    BD_DEBUG(DBG_BLURAY, "Selected stream %d (language %s)\n", ii, streams[ii].lang);

    bd_psr_lock(regs);

    psr_val = bd_psr_read(regs, psr_stream) & 0xffff0000;
    psr_val |= (stream_idx + 1) | enable_flag;
    bd_psr_write(regs, psr_stream, psr_val);

    bd_psr_unlock(regs);
}

static void _update_clip_psrs(BLURAY *bd, NAV_CLIP *clip)
{
    bd_psr_write(bd->regs, PSR_PLAYITEM, clip->ref);
    bd_psr_write(bd->regs, PSR_TIME,     clip->in_time);

    /* Update selected audio and subtitle stream PSRs when not using menus.
     * Selection is based on language setting PSRs and clip STN.
     */
    if (bd->title_type == title_undef) {
        MPLS_STN *stn = &clip->title->pl->play_item[clip->ref].stn;

        _update_stream_psr_by_lang(bd->regs,
                                   PSR_AUDIO_LANG, PSR_PRIMARY_AUDIO_ID, 0, 0xff,
                                   stn->audio, stn->num_audio);
        _update_stream_psr_by_lang(bd->regs,
                                   PSR_PG_AND_SUB_LANG, PSR_PG_STREAM, 0x80000000, 0xfff,
                                   stn->pg, stn->num_pg);
    }
}

280 281 282 283 284 285 286 287

static void _update_chapter_psr(BLURAY *bd)
{
  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);
}

288
/*
289
 * clip access (BD_STREAM)
290 291
 */

hpi1's avatar
hpi1 committed
292 293 294 295 296 297 298 299
static void _close_m2ts(BD_STREAM *st)
{
    if (st->fp != NULL) {
        file_close(st->fp);
        st->fp = NULL;
    }
}

300 301 302 303
static int _open_m2ts(BLURAY *bd, BD_STREAM *st)
{
    char *f_name;

hpi1's avatar
hpi1 committed
304 305
    _close_m2ts(st);

306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
    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
330
            if (st == &bd->st0) {
331
                _update_clip_psrs(bd, st->clip);
hpi1's avatar
hpi1 committed
332
            }
333 334 335 336

            return 1;
        }

337
        BD_DEBUG(DBG_BLURAY, "Clip %s empty! (%p)\n", f_name, bd);
338 339
    }

340
    BD_DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open clip %s! (%p)\n",
341 342 343 344 345 346 347 348 349 350 351
          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) {
352
        BD_DEBUG(DBG_STREAM, "Reading unit [%d bytes] at %"PRIu64"... (%p)\n",
353 354 355 356 357 358 359
              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)
360
                    BD_DEBUG(DBG_STREAM | DBG_CRIT, "Read %d bytes at %"PRIu64" ; requested %d ! (%p)\n", read_len, st->clip_block_pos, len, bd);
361

362
                if (bd->aacs && bd->libaacs_decrypt_unit) {
363
                    if (!bd->libaacs_decrypt_unit(bd->aacs, buf)) {
364
                        BD_DEBUG(DBG_AACS | DBG_CRIT, "Unable decrypt unit (AACS)! (%p)\n", bd);
365 366 367 368 369 370 371 372 373 374 375 376 377

                        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) {
378
                        BD_DEBUG(DBG_BDPLUS,
379 380 381 382 383 384
                              "BDPLUS did %u fixups\n", numFixes);
                    }
#endif

                }

hpi1's avatar
hpi1 committed
385 386
                /* Check TP_extra_header Copy_permission_indicator. If != 0, unit is still encrypted. */
                if (buf[0] & 0xc0) {
387
                    BD_DEBUG(DBG_BLURAY | DBG_CRIT,
hpi1's avatar
hpi1 committed
388 389 390 391 392
                          "TP header copy permission indicator != 0, unit is still encrypted? (%p)\n", bd);
                    _queue_event(bd, (BD_EVENT){BD_EVENT_ENCRYPTED, 0});
                    return 0;
                }

393
                BD_DEBUG(DBG_STREAM, "Read unit OK! (%p)\n", bd);
394 395 396 397

                return 1;
            }

398
            BD_DEBUG(DBG_STREAM | DBG_CRIT, "Read %d bytes at %"PRIu64" failed ! (%p)\n", len, st->clip_block_pos, bd);
399 400 401 402

            return 0;
        }

403
        BD_DEBUG(DBG_STREAM | DBG_CRIT, "Read past EOF ! (%p)\n", bd);
404 405 406 407

        return 0;
    }

408
    BD_DEBUG(DBG_BLURAY, "No valid title selected! (%p)\n", bd);
409 410 411 412

    return 0;
}

hpi1's avatar
hpi1 committed
413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446
/*
 * 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)) {
447
            BD_DEBUG(DBG_BLURAY|DBG_CRIT, "_preload_m2ts(): error loading %s at %"PRIu64"\n",
hpi1's avatar
hpi1 committed
448 449 450 451 452 453 454 455 456
                  st.clip->name, (uint64_t)(buf - p->buf));
            _close_m2ts(&st);
            _close_preload(p);
            return 0;
        }
    }

    /* */

457
    BD_DEBUG(DBG_BLURAY, "_preload_m2ts(): loaded %"PRIu64" bytes from %s\n",
hpi1's avatar
hpi1 committed
458 459 460 461 462 463 464
          st.clip_size, st.clip->name);

    _close_m2ts(&st);

    return 1;
}

465 466 467 468 469 470
static int64_t _seek_stream(BLURAY *bd, BD_STREAM *st,
                            NAV_CLIP *clip, uint32_t clip_pkt)
{
    if (!clip)
        return -1;

471
    if (!st->fp || !st->clip || clip->ref != st->clip->ref) {
472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488
        // 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
489
/*
490
 * libaacs and libbdplus open / close
hpi1's avatar
hpi1 committed
491 492
 */

hpi1's avatar
hpi1 committed
493 494 495 496 497 498
static void _libaacs_close(BLURAY *bd)
{
    if (bd->aacs) {
        DL_CALL(bd->h_libaacs, aacs_close, bd->aacs);
        bd->aacs = NULL;
    }
499 500 501 502 503
}

static void _libaacs_unload(BLURAY *bd)
{
    _libaacs_close(bd);
hpi1's avatar
hpi1 committed
504 505 506 507 508 509 510 511

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

512
    bd->libaacs_open         = NULL;
hpi1's avatar
hpi1 committed
513 514 515
    bd->libaacs_decrypt_unit = NULL;
}

516 517 518 519 520 521 522 523 524 525 526 527
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);

528
        BD_DEBUG(DBG_BLURAY, "AACS/Unit_Key_RO.inf found. Disc seems to be AACS protected (%p)\n", bd);
hpi1's avatar
hpi1 committed
529
        bd->disc_info.aacs_detected = 1;
530 531 532
        return 1;
    }

533
    BD_DEBUG(DBG_BLURAY, "AACS/Unit_Key_RO.inf not found. No AACS protection (%p)\n", bd);
hpi1's avatar
hpi1 committed
534
    bd->disc_info.aacs_detected = 0;
535 536 537
    return 0;
}

538
static int _libaacs_load(BLURAY *bd)
539
{
540 541 542
#ifdef DLOPEN_CRYPTO_LIBS
    if (bd->h_libaacs) {
        return 1;
543 544
    }

hpi1's avatar
hpi1 committed
545
    bd->disc_info.libaacs_detected = 0;
546
    if ((bd->h_libaacs = dl_dlopen("libaacs", "0"))) {
547

548
        BD_DEBUG(DBG_BLURAY, "Loading libaacs (%p)\n", bd->h_libaacs);
549

550 551
        bd->libaacs_open         = (fptr_p_void)dl_dlsym(bd->h_libaacs, "aacs_open");
        bd->libaacs_decrypt_unit = (fptr_int)dl_dlsym(bd->h_libaacs, "aacs_decrypt_unit");
552

553
        if (bd->libaacs_open && bd->libaacs_decrypt_unit) {
554
            BD_DEBUG(DBG_BLURAY, "Loaded libaacs (%p)\n", bd->h_libaacs);
hpi1's avatar
hpi1 committed
555
            bd->disc_info.libaacs_detected = 1;
556 557
            return 1;

558
        } else {
559
            BD_DEBUG(DBG_BLURAY, "libaacs dlsym failed! (%p)\n", bd->h_libaacs);
560
        }
561

562
    } else {
563
        BD_DEBUG(DBG_BLURAY, "libaacs not found! (%p)\n", bd);
564
    }
565 566 567 568 569

    _libaacs_unload(bd);

    return 0;

570
#else
571
    BD_DEBUG(DBG_BLURAY, "Using libaacs via normal linking\n");
572

573
    bd->libaacs_open         = &aacs_open;
574
    bd->libaacs_decrypt_unit = &aacs_decrypt_unit;
hpi1's avatar
hpi1 committed
575
    bd->disc_info.libaacs_detected = 1;
576

577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595
    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);
596

597
    if (bd->aacs) {
598
        BD_DEBUG(DBG_BLURAY, "Opened libaacs (%p)\n", bd->aacs);
hpi1's avatar
hpi1 committed
599
        bd->disc_info.aacs_handled = 1;
600
        return 1;
601
    }
602

603
    BD_DEBUG(DBG_BLURAY, "aacs_open() failed!\n");
hpi1's avatar
hpi1 committed
604
    bd->disc_info.aacs_handled = 0;
605

606
    _libaacs_unload(bd);
607 608 609
    return 0;
}

hpi1's avatar
hpi1 committed
610 611 612 613
static uint8_t *_libaacs_get_vid(BLURAY *bd)
{
    if (bd->aacs) {
#ifdef DLOPEN_CRYPTO_LIBS
614
        fptr_p_void fptr = (fptr_p_void)dl_dlsym(bd->h_libaacs, "aacs_get_vid");
hpi1's avatar
hpi1 committed
615 616 617
        if (fptr) {
            return (uint8_t*)fptr(bd->aacs);
        }
618
        BD_DEBUG(DBG_BLURAY, "aacs_get_vid() dlsym failed! (%p)", bd);
hpi1's avatar
hpi1 committed
619 620 621 622 623 624
        return NULL;
#else
        return aacs_get_vid(bd->aacs);
#endif
    }

625
    BD_DEBUG(DBG_BLURAY, "_libaacs_get_vid(): libaacs not initialized! (%p)", bd);
hpi1's avatar
hpi1 committed
626 627 628
    return NULL;
}

hpi1's avatar
hpi1 committed
629 630 631 632 633 634
static void _libbdplus_close(BLURAY *bd)
{
    if (bd->bdplus) {
        DL_CALL(bd->h_libbdplus, bdplus_free, bd->bdplus);
        bd->bdplus = NULL;
    }
635 636 637 638 639
}

static void _libbdplus_unload(BLURAY *bd)
{
    _libbdplus_close(bd);
hpi1's avatar
hpi1 committed
640 641 642 643 644 645 646 647

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

648
    bd->bdplus_init  = NULL;
hpi1's avatar
hpi1 committed
649 650 651 652
    bd->bdplus_seek  = NULL;
    bd->bdplus_fixup = NULL;
}

653 654 655 656 657 658 659 660 661 662 663 664
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);

665
        BD_DEBUG(DBG_BLURAY, "BDSVM/00000.svm found. Disc seems to be BD+ protected (%p)\n", bd);
hpi1's avatar
hpi1 committed
666
        bd->disc_info.bdplus_detected = 1;
667 668 669
        return 1;
    }

670
    BD_DEBUG(DBG_BLURAY, "BDSVM/00000.svm not found. No BD+ protection (%p)\n", bd);
hpi1's avatar
hpi1 committed
671
    bd->disc_info.bdplus_detected = 0;
672 673 674
    return 0;
}

675
static int _libbdplus_load(BLURAY *bd)
676
{
677
    BD_DEBUG(DBG_BDPLUS, "attempting to load libbdplus\n");
hpi1's avatar
hpi1 committed
678

679 680 681
#ifdef DLOPEN_CRYPTO_LIBS
    if (bd->h_libbdplus) {
        return 1;
682 683
    }

hpi1's avatar
hpi1 committed
684
    bd->disc_info.libbdplus_detected = 0;
hpi1's avatar
hpi1 committed
685
    if ((bd->h_libbdplus = dl_dlopen("libbdplus", "0"))) {
686

687
        BD_DEBUG(DBG_BLURAY, "Loading libbdplus (%p)\n", bd->h_libbdplus);
688

689 690 691
        bd->bdplus_init  = (fptr_p_void)dl_dlsym(bd->h_libbdplus, "bdplus_init");
        bd->bdplus_seek  = (fptr_int32)dl_dlsym(bd->h_libbdplus, "bdplus_seek");
        bd->bdplus_fixup = (fptr_int32)dl_dlsym(bd->h_libbdplus, "bdplus_fixup");
692 693

        if (bd->bdplus_init && bd->bdplus_seek && bd->bdplus_fixup) {
694
            BD_DEBUG(DBG_BLURAY, "Loaded libbdplus (%p)\n", bd->h_libbdplus);
hpi1's avatar
hpi1 committed
695
            bd->disc_info.libbdplus_detected = 1;
696
            return 1;
hpi1's avatar
hpi1 committed
697
        }
698

699
        BD_DEBUG(DBG_BLURAY, "libbdplus dlsym failed! (%p)\n", bd->h_libbdplus);
700 701

    } else {
702
        BD_DEBUG(DBG_BLURAY, "libbdplus not found! (%p)\n", bd);
hpi1's avatar
hpi1 committed
703
    }
704 705 706 707 708

    _libbdplus_unload(bd);

    return 0;

709
#else
710
    BD_DEBUG(DBG_BLURAY,"Using libbdplus via normal linking\n");
711

712
    bd->bdplus_init  = &bdplus_init;
hpi1's avatar
hpi1 committed
713 714
    bd->bdplus_seek  = &bdplus_seek;
    bd->bdplus_fixup = &bdplus_fixup;
hpi1's avatar
hpi1 committed
715
    bd->disc_info.libbdplus_detected = 1;
716 717

    return 1;
718
#endif
719
}
hpi1's avatar
hpi1 committed
720

721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740
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;
    }

hpi1's avatar
hpi1 committed
741
    bd->bdplus = bd->bdplus_init(bd->device_path, keyfile_path, _libaacs_get_vid(bd) ?: vid);
742 743

    if (bd->bdplus) {
744
        BD_DEBUG(DBG_BLURAY,"libbdplus initialized\n");
hpi1's avatar
hpi1 committed
745
        bd->disc_info.bdplus_handled = 1;
746 747 748
        return 1;
    }

749
    BD_DEBUG(DBG_BLURAY,"bdplus_init() failed\n");
hpi1's avatar
hpi1 committed
750
    bd->disc_info.bdplus_handled = 0;
751 752 753

    _libbdplus_unload(bd);
    return 0;
754 755
}

756 757 758 759
/*
 * index open
 */

hpi1's avatar
hpi1 committed
760
static int _index_open(BLURAY *bd)
761
{
hpi1's avatar
hpi1 committed
762 763
    if (!bd->index) {
        char *file;
764

hpi1's avatar
hpi1 committed
765 766 767 768
        file = str_printf("%s/BDMV/index.bdmv", bd->device_path);
        bd->index = indx_parse(file);
        X_FREE(file);
    }
769

hpi1's avatar
hpi1 committed
770
    return !!bd->index;
771 772
}

773 774 775 776 777 778 779 780 781 782 783 784
/*
 * 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
785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834
/*
 * 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
835 836
BLURAY *bd_open(const char* device_path, const char* keyfile_path)
{
837
    BLURAY *bd = calloc(1, sizeof(BLURAY));
cRTrn13's avatar
cRTrn13 committed
838

cRTrn13's avatar
cRTrn13 committed
839
    if (device_path) {
Accident's avatar
 
Accident committed
840

841 842
        bd->device_path = (char*)malloc(strlen(device_path) + 1);
        strcpy(bd->device_path, device_path);
cRTrn13's avatar
cRTrn13 committed
843

844
        _libaacs_open(bd, keyfile_path);
845

846
        _libbdplus_open(bd, keyfile_path);
847

848
        _index_open(bd);
849

850 851
        bd->meta = NULL;

hpi1's avatar
hpi1 committed
852 853
        bd->regs = bd_registers_init();

hpi1's avatar
hpi1 committed
854 855
        _fill_disc_info(bd);

856
        BD_DEBUG(DBG_BLURAY, "BLURAY initialized! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
857
    } else {
cRTrn13's avatar
cRTrn13 committed
858 859
        X_FREE(bd);

860
        BD_DEBUG(DBG_BLURAY | DBG_CRIT, "No device path provided!\n");
cRTrn13's avatar
cRTrn13 committed
861 862 863 864 865 866 867
    }

    return bd;
}

void bd_close(BLURAY *bd)
{
hpi1's avatar
hpi1 committed
868 869
    bd_stop_bdj(bd);

870
    _libaacs_unload(bd);
871

872
    _libbdplus_unload(bd);
cRTrn13's avatar
cRTrn13 committed
873

hpi1's avatar
hpi1 committed
874
    _close_m2ts(&bd->st0);
hpi1's avatar
hpi1 committed
875
    _close_preload(&bd->st_ig);
cRTrn13's avatar
cRTrn13 committed
876

j45's avatar
j45 committed
877 878 879 880 881 882 883
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
    }
    if (bd->title != NULL) {
        nav_title_close(bd->title);
    }

884
    hdmv_vm_free(&bd->hdmv_vm);
885

886
    gc_free(&bd->graphics_controller);
887
    indx_free(&bd->index);
hpi1's avatar
hpi1 committed
888 889
    bd_registers_free(bd->regs);

hpi1's avatar
hpi1 committed
890
    X_FREE(bd->event_queue);
891 892
    X_FREE(bd->device_path);

893
    BD_DEBUG(DBG_BLURAY, "BLURAY destroyed! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
894 895

    X_FREE(bd);
cRTrn13's avatar
cRTrn13 committed
896
}
cRTrn13's avatar
cRTrn13 committed
897

hpi1's avatar
hpi1 committed
898 899 900 901
/*
 * seeking and current position
 */

902
static int64_t _seek_internal(BLURAY *bd,
903
                              NAV_CLIP *clip, uint32_t title_pkt, uint32_t clip_pkt)
904
{
905
    if (_seek_stream(bd, &bd->st0, clip, clip_pkt) >= 0) {
906

907 908
        /* update title position */
        bd->s_pos = (uint64_t)title_pkt * 192;
909

910
        /* chapter tracking */
911
        _update_chapter_psr(bd);
912

913
        BD_DEBUG(DBG_BLURAY, "Seek to %"PRIu64" (%p)\n",
914
              bd->s_pos, bd);
915

916 917 918 919
        if (bd->bdplus_seek && bd->bdplus) {
            bd->bdplus_seek(bd->bdplus, bd->st0.clip_block_pos);
        }
    }
920 921 922 923

    return bd->s_pos;
}

924
/* _change_angle() should be used only before call to _seek_internal() ! */
925
static void _change_angle(BLURAY *bd)
926 927
{
    if (bd->seamless_angle_change) {
928
        bd->st0.clip = nav_set_angle(bd->title, bd->st0.clip, bd->request_angle);
929
        bd->seamless_angle_change = 0;
930
        bd_psr_write(bd->regs, PSR_ANGLE_NUMBER, bd->title->angle + 1);
931 932 933

        /* force re-opening .m2ts file in _seek_internal() */
        _close_m2ts(&bd->st0);
934
    }
935 936 937 938 939 940
}

int64_t bd_seek_time(BLURAY *bd, uint64_t tick)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;
hpi1's avatar
hpi1 committed
941 942 943

    tick /= 2;

944 945
    if (bd->title &&
        tick < bd->title->duration) {
946

947 948
        _change_angle(bd);

949 950 951
        // Find the closest access unit to the requested position
        clip = nav_time_search(bd->title, tick, &clip_pkt, &out_pkt);

952
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
953 954 955 956 957
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
958 959 960 961 962 963 964 965 966 967 968
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
969
int64_t bd_seek_chapter(BLURAY *bd, unsigned chapter)
j45's avatar
j45 committed
970 971 972 973
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

974 975
    if (bd->title &&
        chapter < bd->title->chap_list.count) {
976

977 978
        _change_angle(bd);

979 980
        // 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
981

982
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
983 984 985
    }

    return bd->s_pos;
j45's avatar
j45 committed
986 987
}

hpi1's avatar
hpi1 committed
988
int64_t bd_chapter_pos(BLURAY *bd, unsigned chapter)
989 990 991
{
    uint32_t clip_pkt, out_pkt;

992 993 994
    if (bd->title &&
        chapter < bd->title->chap_list.count) {

hpi1's avatar
hpi1 committed
995 996 997 998 999 1000
        // 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;
1001 1002
}

1003 1004
uint32_t bd_get_current_chapter(BLURAY *bd)
{
1005 1006 1007 1008 1009
    if (bd->title) {
        return nav_chapter_get_current(bd->st0.clip, bd->st0.clip_pos / 192);
    }

    return 0;
1010 1011
}

1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031
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
1032
int64_t bd_seek_mark(BLURAY *bd, unsigned mark)
j45's avatar
j45 committed
1033 1034 1035 1036
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

1037 1038
    if (bd->title &&
        mark < bd->title->mark_list.count) {
1039

1040 1041
        _change_angle(bd);

1042 1043
        // 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
1044

1045
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
1046 1047 1048
    }

    return bd->s_pos;
j45's avatar
j45 committed
1049 1050
}

j45's avatar
j45 committed
1051
int64_t bd_seek(BLURAY *bd, uint64_t pos)
cRTrn13's avatar
cRTrn13 committed
1052
{
j45's avatar
j45 committed
1053 1054 1055
    uint32_t pkt, clip_pkt, out_pkt, out_time;
    NAV_CLIP *clip;

1056 1057 1058
    if (bd->title &&
        pos < (uint64_t)bd->title->packets * 192) {

j45's avatar
j45 committed
1059 1060
        pkt = pos / 192;

1061 1062
        _change_angle(bd);

j45's avatar
j45 committed
1063 1064
        // Find the closest access unit to the requested position
        clip = nav_packet_search(bd->title, pkt, &clip_pkt, &out_pkt, &out_time);
1065

1066
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
1067 1068 1069 1070 1071
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
1072 1073
uint64_t bd_get_title_size(BLURAY *bd)
{
hpi1's avatar
hpi1 committed
1074 1075 1076 1077
    if (bd && bd->title) {
        return (uint64_t)bd->title->packets * 192;
    }
    return UINT64_C(0);
hpi1's avatar
hpi1 committed
1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088
}

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

/*
 * read
 */

1089
static int64_t _clip_seek_time(BLURAY *bd, uint64_t tick)
1090 1091 1092
{
    uint32_t clip_pkt, out_pkt;

1093
    if (tick < bd->st0.clip->out_time) {
1094 1095

        // Find the closest access unit to the requested position
1096
        nav_clip_time_search(bd->st0.clip, tick, &clip_pkt, &out_pkt);
1097