bluray.c 40.4 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"
hpi1's avatar
hpi1 committed
33
#include "hdmv/hdmv_vm.h"
34
#include "file/file.h"
35
#ifdef DLOPEN_CRYPTO_LIBS
36 37
#include "file/dl.h"
#endif
38 39 40
#ifdef USING_BDJAVA
#include "bdj/bdj.h"
#endif
41

42
#ifndef DLOPEN_CRYPTO_LIBS
43
#include <libaacs/aacs.h>
44
#include <libbdplus/bdplus.h>
45
#endif
46
#include <stdlib.h>
47 48
#include <inttypes.h>
#include <string.h>
49

hpi1's avatar
hpi1 committed
50 51 52
typedef int     (*fptr_int)();
typedef int32_t (*fptr_int32)();
typedef void*   (*fptr_p_void)();
hpi1's avatar
hpi1 committed
53 54

#define MAX_EVENTS 31  /* 2^n - 1 */
hpi1's avatar
hpi1 committed
55
typedef struct bd_event_queue_s {
hpi1's avatar
hpi1 committed
56 57
    unsigned in;  /* next free slot */
    unsigned out; /* next event */
john's avatar
john committed
58
    BD_EVENT ev[MAX_EVENTS+1];
hpi1's avatar
hpi1 committed
59 60 61 62 63 64 65 66
} BD_EVENT_QUEUE;

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

67 68 69 70 71 72 73 74 75 76 77 78 79
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
80 81 82 83 84 85 86 87 88
struct bluray {

    /* current disc */
    char           *device_path;
    INDX_ROOT      *index;
    NAV_TITLE_LIST *title_list;

    /* current playlist */
    NAV_TITLE      *title;
89
    uint32_t       title_idx;
hpi1's avatar
hpi1 committed
90 91
    uint64_t       s_pos;

92 93
    /* streams */
    BD_STREAM      st0; /* main path */
hpi1's avatar
hpi1 committed
94

95
    /* buffer for bd_read(): current aligned unit of main stream (st0) */
hpi1's avatar
hpi1 committed
96 97 98 99 100 101 102 103
    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;

104
    /* chapter tracking */
john's avatar
john committed
105
    uint64_t       next_chapter_start;
106

hpi1's avatar
hpi1 committed
107
    /* aacs */
108
#ifdef DLOPEN_CRYPTO_LIBS
hpi1's avatar
hpi1 committed
109
    void           *h_libaacs;   // library handle
110
#endif
hpi1's avatar
hpi1 committed
111 112 113 114
    void           *aacs;
    fptr_int       libaacs_decrypt_unit;

    /* BD+ */
115
#ifdef DLOPEN_CRYPTO_LIBS
hpi1's avatar
hpi1 committed
116
    void           *h_libbdplus; // library handle
117
#endif
hpi1's avatar
hpi1 committed
118 119 120 121 122 123 124 125 126
    void           *bdplus;
    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
127 128 129
    HDMV_VM        *hdmv_vm;
    uint8_t        hdmv_suspended;

hpi1's avatar
hpi1 committed
130
    void           *bdjava;
hpi1's avatar
hpi1 committed
131 132
};

133 134 135 136 137 138 139 140 141 142 143 144 145
#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
146 147 148 149
/*
 * Navigation mode event queue
 */

hpi1's avatar
hpi1 committed
150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
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
186
            return 1;
hpi1's avatar
hpi1 committed
187 188 189 190 191
        }

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

hpi1's avatar
hpi1 committed
192
    return 0;
hpi1's avatar
hpi1 committed
193 194
}

195
/*
196
 * clip access (BD_STREAM)
197 198
 */

hpi1's avatar
hpi1 committed
199 200 201 202 203 204 205 206
static void _close_m2ts(BD_STREAM *st)
{
    if (st->fp != NULL) {
        file_close(st->fp);
        st->fp = NULL;
    }
}

207 208 209 210
static int _open_m2ts(BLURAY *bd, BD_STREAM *st)
{
    char *f_name;

hpi1's avatar
hpi1 committed
211 212
    _close_m2ts(st);

213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310
    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);
            }

            if (st == &bd->st0)
                bd_psr_write(bd->regs, PSR_PLAYITEM, st->clip->ref);

            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) {
        DEBUG(DBG_BLURAY, "Reading unit [%d bytes] at %"PRIu64"... (%p)\n",
              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)
                    DEBUG(DBG_BLURAY | DBG_CRIT, "Read %d bytes at %"PRIu64" ; requested %d ! (%p)\n", read_len, st->clip_block_pos, len, bd);

                if (bd->libaacs_decrypt_unit) {
                    if (!bd->libaacs_decrypt_unit(bd->aacs, buf)) {
                        DEBUG(DBG_BLURAY, "Unable decrypt unit! (%p)\n", bd);

                        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

                }

                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, st->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;
}

311 312 313 314 315 316
static int64_t _seek_stream(BLURAY *bd, BD_STREAM *st,
                            NAV_CLIP *clip, uint32_t clip_pkt)
{
    if (!clip)
        return -1;

317
    if (!st->fp || !st->clip || clip->ref != st->clip->ref) {
318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334
        // 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
335
/*
hpi1's avatar
hpi1 committed
336
 * open / close
hpi1's avatar
hpi1 committed
337 338
 */

hpi1's avatar
hpi1 committed
339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355
static void _libaacs_close(BLURAY *bd)
{
    if (bd->aacs) {
        DL_CALL(bd->h_libaacs, aacs_close, bd->aacs);
        bd->aacs = NULL;
    }

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

    bd->libaacs_decrypt_unit = NULL;
}

356 357
static int _libaacs_open(BLURAY *bd, const char *keyfile_path)
{
hpi1's avatar
hpi1 committed
358 359
    _libaacs_close(bd);

360
#ifdef DLOPEN_CRYPTO_LIBS
361
    if ((bd->h_libaacs = dl_dlopen("libaacs", "0"))) {
362 363
        DEBUG(DBG_BLURAY, "Downloaded libaacs (%p)\n", bd->h_libaacs);

364
        fptr_p_void fptr = dl_dlsym(bd->h_libaacs, "aacs_open");
365 366 367 368 369 370 371 372 373 374 375 376
        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);
377 378
        bd->h_libaacs = NULL;

379 380 381
    } else {
        DEBUG(DBG_BLURAY, "libaacs not found!\n");
    }
382
#else
383
    DEBUG(DBG_BLURAY, "Using libaacs via normal linking\n");
384

385
    bd->libaacs_decrypt_unit = &aacs_decrypt_unit;
386

387 388 389 390
    if ((bd->aacs = aacs_open(bd->device_path, keyfile_path))) {

        DEBUG(DBG_BLURAY, "Opened libaacs (%p)\n", bd->aacs);
        return 1;
391
    }
392
    DEBUG(DBG_BLURAY, "aacs_open() failed!\n");
393
#endif
394 395 396 397 398 399

    bd->libaacs_decrypt_unit = NULL;

    return 0;
}

hpi1's avatar
hpi1 committed
400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
static void _libbdplus_close(BLURAY *bd)
{
    if (bd->bdplus) {
        DL_CALL(bd->h_libbdplus, bdplus_free, bd->bdplus);
        bd->bdplus = NULL;
    }

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

    bd->bdplus_seek  = NULL;
    bd->bdplus_fixup = NULL;
}

418 419
static void _libbdplus_open(BLURAY *bd, const char *keyfile_path)
{
hpi1's avatar
hpi1 committed
420 421
    _libbdplus_close(bd);

422 423 424 425 426
    // 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
427
    BD_FILE_H *fd;
428 429 430 431 432 433
    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");
434
#ifdef DLOPEN_CRYPTO_LIBS
435
        if ((bd->h_libbdplus = dl_dlopen("libbdplus", "0"))) {
436
            DEBUG(DBG_BLURAY, "Downloaded libbdplus (%p)\n", bd->h_libbdplus);
437 438 439 440 441 442

            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(bd->device_path, keyfile_path, vid);

443 444 445 446 447 448 449 450 451
            if (bd->bdplus) {
                // 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");
            } else {
                dl_dlclose(bd->h_libbdplus);
                bd->h_libbdplus = NULL;
            }
452 453 454 455 456 457 458 459 460 461 462 463 464 465 466
        }
#else
        DEBUG(DBG_BLURAY,"Using libbdplus via normal linking\n");

        bd->bdplus = bdplus_init(bd->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
    } // file_open
    X_FREE(tmp);
}

hpi1's avatar
hpi1 committed
467
static int _index_open(BLURAY *bd)
468 469 470 471 472 473 474
{
    char *file;

    file = str_printf("%s/BDMV/index.bdmv", bd->device_path);
    bd->index = indx_parse(file);
    X_FREE(file);

hpi1's avatar
hpi1 committed
475
    return !!bd->index;
476 477
}

cRTrn13's avatar
cRTrn13 committed
478 479
BLURAY *bd_open(const char* device_path, const char* keyfile_path)
{
480
    BLURAY *bd = calloc(1, sizeof(BLURAY));
cRTrn13's avatar
cRTrn13 committed
481

cRTrn13's avatar
cRTrn13 committed
482
    if (device_path) {
Accident's avatar
 
Accident committed
483

484 485
        bd->device_path = (char*)malloc(strlen(device_path) + 1);
        strcpy(bd->device_path, device_path);
cRTrn13's avatar
cRTrn13 committed
486

487
        _libaacs_open(bd, keyfile_path);
488

489
        _libbdplus_open(bd, keyfile_path);
490

491
        _index_open(bd);
492

hpi1's avatar
hpi1 committed
493 494
        bd->regs = bd_registers_init();

j45's avatar
j45 committed
495
        DEBUG(DBG_BLURAY, "BLURAY initialized! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
496
    } else {
cRTrn13's avatar
cRTrn13 committed
497 498
        X_FREE(bd);

cRTrn13's avatar
cRTrn13 committed
499
        DEBUG(DBG_BLURAY | DBG_CRIT, "No device path provided!\n");
cRTrn13's avatar
cRTrn13 committed
500 501 502 503 504 505 506
    }

    return bd;
}

void bd_close(BLURAY *bd)
{
hpi1's avatar
hpi1 committed
507 508
    bd_stop_bdj(bd);

hpi1's avatar
hpi1 committed
509
    _libaacs_close(bd);
510

hpi1's avatar
hpi1 committed
511
    _libbdplus_close(bd);
cRTrn13's avatar
cRTrn13 committed
512

hpi1's avatar
hpi1 committed
513
    _close_m2ts(&bd->st0);
cRTrn13's avatar
cRTrn13 committed
514

j45's avatar
j45 committed
515 516 517 518 519 520 521
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
    }
    if (bd->title != NULL) {
        nav_title_close(bd->title);
    }

522
    hdmv_vm_free(&bd->hdmv_vm);
523

524
    indx_free(&bd->index);
hpi1's avatar
hpi1 committed
525 526
    bd_registers_free(bd->regs);

hpi1's avatar
hpi1 committed
527
    X_FREE(bd->event_queue);
528 529
    X_FREE(bd->device_path);

j45's avatar
j45 committed
530
    DEBUG(DBG_BLURAY, "BLURAY destroyed! (%p)\n", bd);
cRTrn13's avatar
cRTrn13 committed
531 532

    X_FREE(bd);
cRTrn13's avatar
cRTrn13 committed
533
}
cRTrn13's avatar
cRTrn13 committed
534

hpi1's avatar
hpi1 committed
535 536 537 538
/*
 * seeking and current position
 */

539
static int64_t _seek_internal(BLURAY *bd,
540
                              NAV_CLIP *clip, uint32_t title_pkt, uint32_t clip_pkt)
541
{
542
    if (_seek_stream(bd, &bd->st0, clip, clip_pkt) >= 0) {
543

544 545
        /* update title position */
        bd->s_pos = (uint64_t)title_pkt * 192;
546

547 548 549 550
        /* 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);
551

552 553
        DEBUG(DBG_BLURAY, "Seek to %"PRIu64" (%p)\n",
              bd->s_pos, bd);
554

555 556 557 558
        if (bd->bdplus_seek && bd->bdplus) {
            bd->bdplus_seek(bd->bdplus, bd->st0.clip_block_pos);
        }
    }
559 560 561 562

    return bd->s_pos;
}

563
/* _change_angle() should be used only before call to _seek_internal() ! */
564
static void _change_angle(BLURAY *bd)
565 566
{
    if (bd->seamless_angle_change) {
567
        bd->st0.clip = nav_set_angle(bd->title, bd->st0.clip, bd->request_angle);
568
        bd->seamless_angle_change = 0;
569
        bd_psr_write(bd->regs, PSR_ANGLE_NUMBER, bd->title->angle + 1);
570 571 572

        /* force re-opening .m2ts file in _seek_internal() */
        _close_m2ts(&bd->st0);
573
    }
574 575 576 577 578 579
}

int64_t bd_seek_time(BLURAY *bd, uint64_t tick)
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;
hpi1's avatar
hpi1 committed
580 581 582 583

    tick /= 2;

    if (tick < bd->title->duration) {
584

585 586
        _change_angle(bd);

587 588 589
        // Find the closest access unit to the requested position
        clip = nav_time_search(bd->title, tick, &clip_pkt, &out_pkt);

590
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
591 592 593 594 595
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
596 597 598 599 600 601 602 603 604 605 606
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
607
int64_t bd_seek_chapter(BLURAY *bd, unsigned chapter)
j45's avatar
j45 committed
608 609 610 611
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

612 613
    if (chapter < bd->title->chap_list.count) {

614 615
        _change_angle(bd);

616 617
        // 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
618

619
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
620 621 622
    }

    return bd->s_pos;
j45's avatar
j45 committed
623 624
}

hpi1's avatar
hpi1 committed
625
int64_t bd_chapter_pos(BLURAY *bd, unsigned chapter)
626 627 628
{
    uint32_t clip_pkt, out_pkt;

hpi1's avatar
hpi1 committed
629 630 631 632 633 634 635
    if (chapter < bd->title->chap_list.count) {
        // 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;
636 637
}

638 639
uint32_t bd_get_current_chapter(BLURAY *bd)
{
640
    return nav_chapter_get_current(bd->st0.clip, bd->st0.clip_pos / 192);
641 642
}

hpi1's avatar
hpi1 committed
643
int64_t bd_seek_mark(BLURAY *bd, unsigned mark)
j45's avatar
j45 committed
644 645 646 647
{
    uint32_t clip_pkt, out_pkt;
    NAV_CLIP *clip;

648 649
    if (mark < bd->title->mark_list.count) {

650 651
        _change_angle(bd);

652 653
        // 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
654

655
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
656 657 658
    }

    return bd->s_pos;
j45's avatar
j45 committed
659 660
}

j45's avatar
j45 committed
661
int64_t bd_seek(BLURAY *bd, uint64_t pos)
cRTrn13's avatar
cRTrn13 committed
662
{
j45's avatar
j45 committed
663 664 665
    uint32_t pkt, clip_pkt, out_pkt, out_time;
    NAV_CLIP *clip;

hpi1's avatar
hpi1 committed
666
    if (pos < (uint64_t)bd->title->packets * 192) {
j45's avatar
j45 committed
667 668
        pkt = pos / 192;

669 670
        _change_angle(bd);

j45's avatar
j45 committed
671 672
        // Find the closest access unit to the requested position
        clip = nav_packet_search(bd->title, pkt, &clip_pkt, &out_pkt, &out_time);
673

674
        return _seek_internal(bd, clip, out_pkt, clip_pkt);
675 676 677 678 679
    }

    return bd->s_pos;
}

hpi1's avatar
hpi1 committed
680 681
uint64_t bd_get_title_size(BLURAY *bd)
{
hpi1's avatar
hpi1 committed
682 683 684 685
    if (bd && bd->title) {
        return (uint64_t)bd->title->packets * 192;
    }
    return UINT64_C(0);
hpi1's avatar
hpi1 committed
686 687 688 689 690 691 692 693 694 695 696
}

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

/*
 * read
 */

697
static int64_t _clip_seek_time(BLURAY *bd, uint64_t tick)
698 699 700
{
    uint32_t clip_pkt, out_pkt;

701
    if (tick < bd->st0.clip->out_time) {
702 703

        // Find the closest access unit to the requested position
704
        nav_clip_time_search(bd->st0.clip, tick, &clip_pkt, &out_pkt);
705

706
        return _seek_internal(bd, bd->st0.clip, out_pkt, clip_pkt);
cRTrn13's avatar
cRTrn13 committed
707 708 709 710 711 712 713
    }

    return bd->s_pos;
}

int bd_read(BLURAY *bd, unsigned char *buf, int len)
{
714
    BD_STREAM *st = &bd->st0;
j45's avatar
j45 committed
715
    int out_len;
cRTrn13's avatar
cRTrn13 committed
716

717
    if (st->fp) {
j45's avatar
j45 committed
718 719 720 721 722 723
        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;

724
            unsigned int size = len;
j45's avatar
j45 committed
725
            // Do we need to read more data?
726
            clip_pkt = st->clip_pos / 192;
727 728
            if (bd->seamless_angle_change) {
                if (clip_pkt >= bd->angle_change_pkt) {
729 730 731
                    if (clip_pkt >= st->clip->end_pkt) {
                        st->clip = nav_next_clip(bd->title, st->clip);
                        if (!_open_m2ts(bd, st)) {
732 733
                            return -1;
                        }
734
                        bd->s_pos = st->clip->pos;
735
                    } else {
736
                        _change_angle(bd);
737
                        _clip_seek_time(bd, bd->angle_change_time);
738 739 740
                    }
                    bd->seamless_angle_change = 0;
                } else {
741
                    uint64_t angle_pos;
742

743
                    angle_pos = bd->angle_change_pkt * 192;
744
                    if (angle_pos - st->clip_pos < size)
745
                    {
746
                        size = angle_pos - st->clip_pos;
747 748 749
                    }
                }
            }
750
            if (st->int_buf_off == 6144 || clip_pkt >= st->clip->end_pkt) {
j45's avatar
j45 committed
751 752

                // Do we need to get the next clip?
753
                if (st->clip == NULL) {
754 755
                    // We previously reached the last clip.  Nothing
                    // else to read.
hpi1's avatar
hpi1 committed
756
                    return 0;
757
                }
758 759 760
                if (clip_pkt >= st->clip->end_pkt) {
                    st->clip = nav_next_clip(bd->title, st->clip);
                    if (st->clip == NULL) {
j45's avatar
j45 committed
761
                        DEBUG(DBG_BLURAY, "End of title (%p)\n", bd);
j45's avatar
j45 committed
762 763
                        return out_len;
                    }
764
                    if (!_open_m2ts(bd, st)) {
j45's avatar
j45 committed
765 766 767
                        return -1;
                    }
                }
768
                if (_read_block(bd, st, bd->int_buf)) {
j45's avatar
j45 committed
769

770
                    st->int_buf_off = st->clip_pos % 6144;
j45's avatar
j45 committed
771 772 773 774 775

                } else {
                    return out_len;
                }
            }
776 777
            if (size > (unsigned int)6144 - st->int_buf_off) {
                size = 6144 - st->int_buf_off;
j45's avatar
j45 committed
778
            }
779
            memcpy(buf, bd->int_buf + st->int_buf_off, size);
j45's avatar
j45 committed
780 781 782
            buf += size;
            len -= size;
            out_len += size;
783 784
            st->clip_pos += size;
            st->int_buf_off += size;
j45's avatar
j45 committed
785 786
            bd->s_pos += size;
        }
787

788 789 790 791 792 793 794
        /* chapter tracking */
        if (bd->s_pos > bd->next_chapter_start) {
            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);
        }

j45's avatar
j45 committed
795
        DEBUG(DBG_BLURAY, "%d bytes read OK! (%p)\n", out_len, bd);
cRTrn13's avatar
cRTrn13 committed
796

j45's avatar
j45 committed
797 798
        return out_len;
    }
Accident's avatar
 
Accident committed
799

j45's avatar
j45 committed
800
    DEBUG(DBG_BLURAY, "No valid title selected! (%p)\n", bd);
801

j45's avatar
j45 committed
802
    return -1;
cRTrn13's avatar
cRTrn13 committed
803
}
cRTrn13's avatar
cRTrn13 committed
804

hpi1's avatar
hpi1 committed
805 806 807 808
/*
 * select title / angle
 */

hpi1's avatar
hpi1 committed
809
static void _close_playlist(BLURAY *bd)
cRTrn13's avatar
cRTrn13 committed
810
{
hpi1's avatar
hpi1 committed
811 812
    _close_m2ts(&bd->st0);

813 814
    if (bd->title) {
        nav_title_close(bd->title);
hpi1's avatar
hpi1 committed
815
        bd->title = NULL;
816
    }
hpi1's avatar
hpi1 committed
817 818 819 820 821
}

static int _open_playlist(BLURAY *bd, const char *f_name)
{
    _close_playlist(bd);
822

j45's avatar
j45 committed
823 824
    bd->title = nav_title_open(bd->device_path, f_name);
    if (bd->title == NULL) {
825
        DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open title %s! (%p)\n",
j45's avatar
j45 committed
826 827 828
              f_name, bd);
        return 0;
    }
cRTrn13's avatar
cRTrn13 committed
829

830
    bd->seamless_angle_change = 0;
cRTrn13's avatar
cRTrn13 committed
831 832
    bd->s_pos = 0;

833 834 835 836 837 838
    bd->next_chapter_start = bd_chapter_pos(bd, 1);

    bd_psr_write(bd->regs, PSR_PLAYLIST, atoi(bd->title->name));
    bd_psr_write(bd->regs, PSR_ANGLE_NUMBER, bd->title->angle + 1);
    bd_psr_write(bd->regs, PSR_CHAPTER, 1);

j45's avatar
j45 committed
839
    // Get the initial clip of the playlist
840 841
    bd->st0.clip = nav_next_clip(bd->title, NULL);
    if (_open_m2ts(bd, &bd->st0)) {
j45's avatar
j45 committed
842
        DEBUG(DBG_BLURAY, "Title %s selected! (%p)\n", f_name, bd);
j45's avatar
j45 committed
843 844 845 846
        return 1;
    }
    return 0;
}
847

hpi1's avatar
hpi1 committed
848 849 850 851 852
int bd_select_playlist(BLURAY *bd, uint32_t playlist)
{
    char *f_name = str_printf("%05d.mpls", playlist);
    int result;

853 854 855 856 857 858 859 860 861 862 863
    if (bd->title_list) {
        /* update current title */
        unsigned i;
        for (i = 0; i < bd->title_list->count; i++) {
            if (playlist == bd->title_list->title_info[i].mpls_id) {
                bd->title_idx = i;
                break;
            }
        }
    }

hpi1's avatar
hpi1 committed
864 865 866 867 868 869
    result = _open_playlist(bd, f_name);

    X_FREE(f_name);
    return result;
}

hpi1's avatar
hpi1 committed
870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886
// Select a title for playback
// The title index is an index into the list
// established by bd_get_titles()
int bd_select_title(BLURAY *bd, uint32_t title_idx)
{
    const char *f_name;

    // Open the playlist
    if (bd->title_list == NULL) {
        DEBUG(DBG_BLURAY, "Title list not yet read! (%p)\n", bd);
        return 0;
    }
    if (bd->title_list->count <= title_idx) {
        DEBUG(DBG_BLURAY, "Invalid title index %d! (%p)\n", title_idx, bd);
        return 0;
    }

887
    bd->title_idx = title_idx;
hpi1's avatar
hpi1 committed
888 889 890 891 892
    f_name = bd->title_list->title_info[title_idx].name;

    return _open_playlist(bd, f_name);
}

893 894 895 896 897
uint32_t bd_get_current_title(BLURAY *bd)
{
    return bd->title_idx;
}

hpi1's avatar
hpi1 committed
898
int bd_select_angle(BLURAY *bd, unsigned angle)
899
{
900 901
    unsigned orig_angle;

902 903 904 905
    if (bd->title == NULL) {
        DEBUG(DBG_BLURAY, "Title not yet selected! (%p)\n", bd);
        return 0;
    }
906 907 908

    orig_angle = bd->title->angle;

909
    bd->st0.clip = nav_set_angle(bd->title, bd->st0.clip, angle);
910 911 912 913 914

    if (orig_angle == bd->title->angle) {
        return 1;
    }

915 916
    bd_psr_write(bd->regs, PSR_ANGLE_NUMBER, bd->title->angle + 1);

917 918 919 920 921
    if (!_open_m2ts(bd, &bd->st0)) {
        DEBUG(DBG_BLURAY|DBG_CRIT, "Error selecting angle %d ! (%p)\n", angle, bd);
        return 0;
    }

922 923 924
    return 1;
}

925 926 927 928 929 930
unsigned bd_get_current_angle(BLURAY *bd)
{
    return bd->title->angle;
}


hpi1's avatar
hpi1 committed
931
void bd_seamless_angle_change(BLURAY *bd, unsigned angle)
932 933 934
{
    uint32_t clip_pkt;

935 936
    clip_pkt = (bd->st0.clip_pos + 191) / 192;
    bd->angle_change_pkt = nav_angle_change_search(bd->st0.clip, clip_pkt,
937 938 939 940 941
                                                   &bd->angle_change_time);
    bd->request_angle = angle;
    bd->seamless_angle_change = 1;
}

hpi1's avatar
hpi1 committed
942 943 944
/*
 * title lists
 */
hpi1's avatar
hpi1 committed
945

j45's avatar
j45 committed
946 947 948 949 950 951
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;
    }
952

j45's avatar
j45 committed
953 954
    if (bd->title_list != NULL) {
        nav_free_title_list(bd->title_list);
cRTrn13's avatar
cRTrn13 committed
955
    }
j45's avatar
j45 committed
956
    bd->title_list = nav_get_title_list(bd->device_path, flags);
cRTrn13's avatar
cRTrn13 committed
957

j45's avatar
j45 committed
958 959 960 961
    if (!bd->title_list) {
        DEBUG(DBG_BLURAY | DBG_CRIT, "nav_get_title_list(%s) failed (%p)\n", bd->device_path, bd);
        return 0;
    }
962

j45's avatar
j45 committed
963
    return bd->title_list->count;
cRTrn13's avatar
cRTrn13 committed
964
}
965

john's avatar
john committed
966
static void _copy_streams(NAV_CLIP *clip, BLURAY_STREAM_INFO *streams, MPLS_STREAM *si, int count)
967 968 969 970 971 972 973 974 975
{
    int ii;

    for (ii = 0; ii < count; ii++) {
        streams[ii].coding_type = si[ii].coding_type;
        streams[ii].format = si[ii].format;
        streams[ii].rate = si[ii].rate;
        streams[ii].char_code = si[ii].char_code;
        memcpy(streams[ii].lang, si[ii].lang, 4);
hpi1's avatar
hpi1 committed
976
        streams[ii].pid = si[ii].pid;
john's avatar
john committed
977
        streams[ii].aspect = nav_lookup_aspect(clip, si[ii].pid);
978 979 980
    }
}

hpi1's avatar
hpi1 committed
981
static BLURAY_TITLE_INFO* _fill_title_info(NAV_TITLE* title, uint32_t title_idx, uint32_t playlist)
982
{
john's avatar
john committed
983
    BLURAY_TITLE_INFO *title_info;
984
    unsigned int ii;
j45's avatar
j45 committed
985

john's avatar
john committed
986
    title_info = calloc(1, sizeof(BLURAY_TITLE_INFO));
j45's avatar
j45 committed
987
    title_info->idx = title_idx;
988
    title_info->playlist = playlist;
j45's avatar
j45 committed
989 990 991
    title_info->duration = (uint64_t)title->duration * 2;
    title_info->angle_count = title->angle_count;
    title_info->chapter_count = title->chap_list.count;
john's avatar
john committed
992
    title_info->chapters = calloc(title_info->chapter_count, sizeof(BLURAY_TITLE_CHAPTER));
j45's avatar
j45 committed
993 994
    for (ii = 0; ii < title_info->chapter_count; ii++) {
        title_info->chapters[ii].idx = ii;
j45's avatar
j45 committed
995 996
        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;
john's avatar
john committed
997
        title_info->chapters[ii].offset = (uint64_t)title->chap_list.mark[ii].title_pkt * 192L;
j45's avatar
j45 committed
998
    }
999
    title_info->clip_count = title->clip_list.count;
john's avatar
john committed
1000
    title_info->clips = calloc(title_info->clip_count, sizeof(BLURAY_CLIP_INFO));
1001 1002
    for (ii = 0; ii < title_info->clip_count; ii++) {
        MPLS_PI *pi = &title->pl->play_item[ii];
john's avatar
john committed
1003
        BLURAY_CLIP_INFO *ci = &title_info->clips[ii];
john's avatar
john committed
1004 1005 1006
        NAV_CLIP *nc = &title->clip_list.clip[ii];

        ci->pkt_count = nc->end_pkt - nc->start_pkt;
1007 1008 1009 1010 1011 1012
        ci->video_stream_count = pi->stn.num_video;
        ci->audio_stream_count = pi->stn.num_audio;
        ci->pg_stream_count = pi->stn.num_pg + pi->stn.num_pip_pg;
        ci->ig_stream_count = pi->stn.num_ig;
        ci->sec_video_stream_count = pi->stn.num_secondary_video;
        ci->sec_audio_stream_count = pi->stn.num_secondary_audio;
john's avatar
john committed
1013 1014 1015 1016 1017 1018
        ci->video_streams = calloc(ci->video_stream_count, sizeof(BLURAY_STREAM_INFO));
        ci->audio_streams = calloc(ci->audio_stream_count, sizeof(BLURAY_STREAM_INFO));
        ci->pg_streams = calloc(ci->pg_stream_count, sizeof(BLURAY_STREAM_INFO));
        ci->ig_streams = calloc(ci->ig_stream_count, sizeof(BLURAY_STREAM_INFO));
        ci->sec_video_streams = calloc(ci->sec_video_stream_count, sizeof(BLURAY_STREAM_INFO));
        ci->sec_audio_streams = calloc(ci->sec_audio_stream_count, sizeof(BLURAY_STREAM_INFO));
john's avatar
john committed
1019 1020 1021 1022 1023 1024
        _copy_streams(nc, ci->video_streams, pi->stn.video, ci->video_stream_count);
        _copy_streams(nc, ci->audio_streams, pi->stn.audio, ci->audio_stream_count);
        _copy_streams(nc, ci->pg_streams, pi->stn.pg, ci->pg_stream_count);
        _copy_streams(nc, ci->ig_streams, pi->stn.ig, ci->ig_stream_count);
        _copy_streams(nc, ci->sec_video_streams, pi->stn.secondary_video, ci->sec_video_stream_count);
        _copy_streams(nc, ci->sec_audio_streams, pi->stn.secondary_audio, ci->sec_audio_stream_count);
1025
    }
1026 1027 1028 1029

    return title_info;
}

1030
static BLURAY_TITLE_INFO *_get_title_info(BLURAY *bd, uint32_t title_idx, uint32_t playlist, const char *mpls_name)
1031 1032 1033 1034
{
    NAV_TITLE *title;
    BLURAY_TITLE_INFO *title_info;

1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049
    title = nav_title_open(bd->device_path, mpls_name);
    if (title == NULL) {
        DEBUG(DBG_BLURAY | DBG_CRIT, "Unable to open title %s! (%p)\n",
              mpls_name, bd);
        return NULL;
    }

    title_info = _fill_title_info(title, title_idx, playlist);

    nav_title_close(title);
    return title_info;
}

BLURAY_TITLE_INFO* bd_get_title_info(BLURAY *bd, uint32_t title_idx)
{
1050 1051 1052 1053 1054 1055 1056 1057 1058
    if (bd->title_list == NULL) {
        DEBUG(DBG_BLURAY, "Title list not yet read! (%p)\n", bd);
        return NULL;
    }
    if (bd->title_list->count <= title_idx) {
        DEBUG(DBG_BLURAY, "Invalid title index %d! (%p)\n", title_idx, bd);
        return NULL;
    }

1059 1060 1061
    return _get_title_info(bd,
                           title_idx, bd->title_list->title_info[title_idx].mpls_id,
                           bd->title_list->title_info[title_idx].name);
1062 1063 1064 1065 1066 1067 1068
}

BLURAY_TITLE_INFO* bd_get_playlist_info(BLURAY *bd, uint32_t playlist)
{
    char *f_name = str_printf("%05d.mpls", playlist);
    BLURAY_TITLE_INFO *title_info;

1069
    title_info = _get_title_info(bd, 0, playlist, f_name);
1070

hpi1's avatar
hpi1 committed
1071 1072
    X_FREE(f_name);

j45's avatar
j45 committed
1073
    return title_info;
1074
}
cRTrn13's avatar
cRTrn13 committed
1075