bluray.c 42.7 KB
Newer Older
1 2 3
/*****************************************************************************
 * bluray.c: Blu-ray disc support plugin
 *****************************************************************************
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
4
 * Copyright © 2010-2012 VideoLAN, VLC authors and libbluray AUTHORS
5 6
 *
 * Authors: Jean-Baptiste Kempf <jb@videolan.org>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
7
 *          Hugo Beauzée-Luyssen <hugo@videolan.org>
8
 *
9 10 11
 * This program 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
12 13 14 15
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Jean-Baptiste Kempf's avatar
LGPL  
Jean-Baptiste Kempf committed
16
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
 * GNU Lesser General Public License for more details.
18
 *
19 20 21
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 23 24 25 26 27 28
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <assert.h>
29
#include <limits.h>                         /* PATH_MAX */
30 31 32 33
#if defined (HAVE_MNTENT_H) && defined(HAVE_SYS_STAT_H)
#include <mntent.h>
#include <sys/stat.h>
#endif
34

35 36 37 38 39 40 41
#ifdef __APPLE__
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#endif

42 43
#include <vlc_common.h>
#include <vlc_plugin.h>
44 45
#include <vlc_demux.h>                      /* demux_t */
#include <vlc_input.h>                      /* Seekpoints, chapters */
46
#include <vlc_atomic.h>
47
#include <vlc_dialog.h>                     /* BD+/AACS warnings */
48
#include <vlc_vout.h>                       /* vout_PutSubpicture / subpicture_t */
49
#include <vlc_url.h>                        /* vlc_path2uri */
50 51

#include <libbluray/bluray.h>
52
#include <libbluray/keys.h>
53
#include <libbluray/meta_data.h>
54
#include <libbluray/overlay.h>
55 56 57 58 59

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/

Christoph Miebach's avatar
Christoph Miebach committed
60 61
#define BD_MENU_TEXT        N_( "Blu-ray menus" )
#define BD_MENU_LONGTEXT    N_( "Use Blu-ray menus. If disabled, "\
62 63
                                "the movie will start directly" )

64 65 66 67 68
/* Callbacks */
static int  blurayOpen ( vlc_object_t * );
static void blurayClose( vlc_object_t * );

vlc_module_begin ()
Christoph Miebach's avatar
Christoph Miebach committed
69 70
    set_shortname( N_("Blu-ray") )
    set_description( N_("Blu-ray Disc support (libbluray)") )
71 72 73

    set_category( CAT_INPUT )
    set_subcategory( SUBCAT_INPUT_ACCESS )
74
    set_capability( "access_demux", 200)
75
    add_bool( "bluray-menu", false, BD_MENU_TEXT, BD_MENU_LONGTEXT, false )
76

77
    add_shortcut( "bluray", "file" )
78 79 80 81

    set_callbacks( blurayOpen, blurayClose )
vlc_module_end ()

82 83
/* libbluray's overlay.h defines 2 types of overlay (bd_overlay_plane_e). */
#define MAX_OVERLAY 2
84

85 86 87 88 89 90 91 92
typedef enum OverlayStatus {
    Closed = 0,
    ToDisplay,  //Used to mark the overlay to be displayed the first time.
    Displayed,
    Outdated    //used to update the overlay after it has been sent to the vout
} OverlayStatus;

typedef struct bluray_overlay_t
93
{
94
    atomic_flag         released_once;
95 96 97 98 99 100 101 102 103
    vlc_mutex_t         lock;
    subpicture_t        *p_pic;
    OverlayStatus       status;
    subpicture_region_t *p_regions;
} bluray_overlay_t;

struct  demux_sys_t
{
    BLURAY              *bluray;
104 105

    /* Titles */
106 107
    unsigned int        i_title;
    unsigned int        i_longest_title;
108
    unsigned int        i_current_clip;
109
    input_title_t       **pp_title;
110

111 112 113
    /* Meta informations */
    const META_DL       *p_meta;

114
    /* Menus */
115 116 117 118 119 120 121
    bluray_overlay_t    *p_overlays[MAX_OVERLAY];
    int                 current_overlay; // -1 if no current overlay;
    bool                b_menu;

    /* */
    input_thread_t      *p_input;
    vout_thread_t       *p_vout;
122

123
    /* TS stream */
124
    es_out_t            *p_out;
125
    vlc_array_t         es;
126
    int                 i_audio_stream; /* Selected audio stream. -1 if default */
127
    int                 i_video_stream;
128
    stream_t            *p_parser;
129 130 131

    /* Used to store bluray disc path */
    char                *psz_bd_path;
132 133 134 135 136
};

struct subpicture_updater_sys_t
{
    bluray_overlay_t    *p_overlay;
137 138
};

139 140 141
/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
142 143
static es_out_t *esOutNew( demux_t *p_demux );

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
144 145
static int   blurayControl(demux_t *, int, va_list);
static int   blurayDemux(demux_t *);
146

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
147 148
static int   blurayInitTitles(demux_t *p_demux );
static int   bluraySetTitle(demux_t *p_demux, int i_title);
149

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
150
static void  blurayOverlayProc(void *ptr, const BD_OVERLAY * const overlay);
151

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
152 153
static int   onMouseEvent(vlc_object_t *p_vout, const char *psz_var,
                          vlc_value_t old, vlc_value_t val, void *p_data);
154

155 156
static void  blurayResetParser(demux_t *p_demux);

157 158 159
#define FROM_TICKS(a) (a*CLOCK_FREQ / INT64_C(90000))
#define TO_TICKS(a)   (a*INT64_C(90000)/CLOCK_FREQ)
#define CUR_LENGTH    p_sys->pp_title[p_demux->info.i_title]->i_length
160 161 162 163 164 165

/*****************************************************************************
 * blurayOpen: module init function
 *****************************************************************************/
static int blurayOpen( vlc_object_t *object )
{
166 167
    demux_t *p_demux = (demux_t*)object;
    demux_sys_t *p_sys;
168

169
    const char *error_msg = NULL;
170

171
    if (strcmp(p_demux->psz_access, "bluray")) {
172
        // TODO BDMV support, once we figure out what to do in libbluray
173 174 175
        return VLC_EGENERIC;
    }

176
    /* */
177
    p_demux->p_sys = p_sys = calloc(1, sizeof(*p_sys));
178 179 180
    if (unlikely(!p_sys)) {
        return VLC_ENOMEM;
    }
181
    p_sys->current_overlay = -1;
182
    p_sys->i_audio_stream = -1;
183
    p_sys->i_video_stream = -1;
184 185 186 187 188

    /* init demux info fields */
    p_demux->info.i_update    = 0;
    p_demux->info.i_title     = 0;
    p_demux->info.i_seekpoint = 0;
189

190 191
    TAB_INIT( p_sys->i_title, p_sys->pp_title );

192
    /* store current bd path */
193
    if (p_demux->psz_file) {
194
        p_sys->psz_bd_path = strndup(p_demux->psz_file, strlen(p_demux->psz_file));
195
    }
196

197 198 199
#if defined (HAVE_MNTENT_H) && defined (HAVE_SYS_STAT_H)
    /* If we're passed a block device, try to convert it to the mount point. */
    struct stat st;
200
    if ( !stat (p_sys->psz_bd_path, &st)) {
201 202 203 204 205
        if (S_ISBLK (st.st_mode)) {
            FILE* mtab = setmntent ("/proc/self/mounts", "r");
            struct mntent* m;
            struct mntent mbuf;
            char buf [8192];
206
            /* bd path may be a symlink (e.g. /dev/dvd -> /dev/sr0), so make
207
             * sure we look up the real device */
208
            char* bd_device = realpath(p_sys->psz_bd_path, NULL);
209
            while ((m = getmntent_r (mtab, &mbuf, buf, sizeof(buf))) != NULL) {
210 211
                if (!strcmp (m->mnt_fsname, (bd_device == NULL ? p_sys->psz_bd_path : bd_device))) {
                    p_sys->psz_bd_path = strndup(m->mnt_dir, strlen(m->mnt_dir));
212 213 214
                    break;
                }
            }
Edward Wang's avatar
Edward Wang committed
215
            free(bd_device);
216 217 218 219
            endmntent (mtab);
        }
    }
#endif /* HAVE_MNTENT_H && HAVE_SYS_STAT_H */
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238
#ifdef __APPLE__
    /* If we're passed a block device, try to convert it to the mount point. */
    struct stat st;
    if ( !stat (p_sys->psz_bd_path, &st)) {
        if (S_ISBLK (st.st_mode)) {
            struct statfs mbuf[128];
            int fs_count;

            if ( (fs_count = getfsstat (NULL, 0, MNT_NOWAIT)) > 0 ) {
                getfsstat (mbuf, fs_count * sizeof(mbuf[0]), MNT_NOWAIT);
                for ( int i = 0; i < fs_count; ++i) {
                    if (!strcmp (mbuf[i].f_mntfromname, p_sys->psz_bd_path)) {
                        p_sys->psz_bd_path = strndup(mbuf[i].f_mntonname, strlen(mbuf[i].f_mntonname));
                    }
                }
            }
        }
    }
#endif
239
    p_sys->bluray = bd_open(p_sys->psz_bd_path, NULL);
240
    if (!p_sys->bluray) {
241 242 243 244
        free(p_sys);
        return VLC_EGENERIC;
    }

245 246
    /* Warning the user about AACS/BD+ */
    const BLURAY_DISC_INFO *disc_info = bd_get_disc_info(p_sys->bluray);
247 248 249

    /* Is it a bluray? */
    if (!disc_info->bluray_detected) {
Christoph Miebach's avatar
Christoph Miebach committed
250
        error_msg = "Path doesn't appear to be a Blu-ray";
251 252 253
        goto error;
    }

254 255
    msg_Info(p_demux, "First play: %i, Top menu: %i\n"
                      "HDMV Titles: %i, BD-J Titles: %i, Other: %i",
256 257 258 259 260 261 262
             disc_info->first_play_supported, disc_info->top_menu_supported,
             disc_info->num_hdmv_titles, disc_info->num_bdj_titles,
             disc_info->num_unsupported_titles);

    /* AACS */
    if (disc_info->aacs_detected) {
        if (!disc_info->libaacs_detected) {
Christoph Miebach's avatar
Christoph Miebach committed
263
            error_msg = _("This Blu-ray Disc needs a library for AACS decoding, "
264 265
                      "and your system does not have it.");
            goto error;
266 267
        }
        if (!disc_info->aacs_handled) {
268 269 270 271
#ifdef BD_AACS_CORRUPTED_DISC
            if (disc_info->aacs_error_code) {
                switch (disc_info->aacs_error_code) {
                    case BD_AACS_CORRUPTED_DISC:
Christoph Miebach's avatar
Christoph Miebach committed
272
                        error_msg = _("Blu-ray Disc is corrupted.");
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292
                        break;
                    case BD_AACS_NO_CONFIG:
                        error_msg = _("Missing AACS configuration file!");
                        break;
                    case BD_AACS_NO_PK:
                        error_msg = _("No valid processing key found in AACS config file.");
                        break;
                    case BD_AACS_NO_CERT:
                        error_msg = _("No valid host certificate found in AACS config file.");
                        break;
                    case BD_AACS_CERT_REVOKED:
                        error_msg = _("AACS Host certificate revoked.");
                        break;
                    case BD_AACS_MMC_FAILED:
                        error_msg = _("AACS MMC failed.");
                        break;
                }
                goto error;
            }
#else
293 294 295
            error_msg = _("Your system AACS decoding library does not work. "
                      "Missing keys?");
            goto error;
296
#endif /* BD_AACS_CORRUPTED_DISC */
297 298 299 300 301 302
        }
    }

    /* BD+ */
    if (disc_info->bdplus_detected) {
        if (!disc_info->libbdplus_detected) {
Christoph Miebach's avatar
Christoph Miebach committed
303
            error_msg = _("This Blu-ray Disc needs a library for BD+ decoding, "
304 305
                      "and your system does not have it.");
            goto error;
306 307
        }
        if (!disc_info->bdplus_handled) {
308 309 310
            error_msg = _("Your system BD+ decoding library does not work. "
                      "Missing configuration?");
            goto error;
311 312 313 314
        }
    }

    /* Get titles and chapters */
315 316
    p_sys->p_meta = bd_get_meta(p_sys->bluray);
    if (!p_sys->p_meta)
317
        msg_Warn(p_demux, "Failed to get meta info." );
318

319
    if (blurayInitTitles(p_demux) != VLC_SUCCESS) {
320
        goto error;
321 322
    }

323 324 325 326 327
    /*
     * Initialize the event queue, so we can receive events in blurayDemux(Menu).
     */
    bd_get_event(p_sys->bluray, NULL);

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
328 329
    p_sys->b_menu = var_InheritBool(p_demux, "bluray-menu");
    if (p_sys->b_menu) {
330
        p_sys->p_input = demux_GetParentInput(p_demux);
Rafaël Carré's avatar
Rafaël Carré committed
331 332
        if (unlikely(!p_sys->p_input)) {
            error_msg = "Could not get parent input";
333
            goto error;
Rafaël Carré's avatar
Rafaël Carré committed
334
        }
335 336

        /* libbluray will start playback from "First-Title" title */
337 338 339 340
        if (bd_play(p_sys->bluray) == 0) {
            error_msg = "Failed to start bluray playback. Please try without menu support.";
            goto error;
        }
341 342
        /* Registering overlay event handler */
        bd_register_overlay_proc(p_sys->bluray, p_demux, blurayOverlayProc);
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
343
    } else {
344
        /* set start title number */
345 346
        if (bluraySetTitle(p_demux, p_sys->i_longest_title) != VLC_SUCCESS) {
            msg_Err( p_demux, "Could not set the title %d", p_sys->i_longest_title );
347 348
            goto error;
        }
349 350
    }

351
    vlc_array_init(&p_sys->es);
352 353 354 355 356
    p_sys->p_out = esOutNew( p_demux );
    if (unlikely(p_sys->p_out == NULL)) {
        goto error;
    }

357
    blurayResetParser( p_demux );
358 359
    if (!p_sys->p_parser) {
        msg_Err(p_demux, "Failed to create TS demuxer");
360
        goto error;
361 362 363 364
    }

    p_demux->pf_control = blurayControl;
    p_demux->pf_demux   = blurayDemux;
365 366

    return VLC_SUCCESS;
367 368 369

error:
    if (error_msg)
Christoph Miebach's avatar
Christoph Miebach committed
370
        dialog_Fatal(p_demux, _("Blu-ray error"), "%s", error_msg);
371 372
    blurayClose(object);
    return VLC_EGENERIC;
373 374 375 376 377 378 379 380
}


/*****************************************************************************
 * blurayClose: module destroy function
 *****************************************************************************/
static void blurayClose( vlc_object_t *object )
{
381 382 383
    demux_t *p_demux = (demux_t*)object;
    demux_sys_t *p_sys = p_demux->p_sys;

384 385 386 387 388 389 390 391
    /*
     * Close libbluray first.
     * This will close all the overlays before we release p_vout
     * bd_close( NULL ) can crash
     */
    assert(p_sys->bluray);
    bd_close(p_sys->bluray);

392 393 394
    if (p_sys->p_vout != NULL) {
        var_DelCallback(p_sys->p_vout, "mouse-moved", &onMouseEvent, p_demux);
        var_DelCallback(p_sys->p_vout, "mouse-clicked", &onMouseEvent, p_demux);
395
        vlc_object_release(p_sys->p_vout);
396
    }
397 398
    if (p_sys->p_input != NULL)
        vlc_object_release(p_sys->p_input);
399 400
    if (p_sys->p_parser)
        stream_Delete(p_sys->p_parser);
401 402
    if (p_sys->p_out != NULL)
        es_out_Delete(p_sys->p_out);
403 404 405
    assert( vlc_array_count(&p_sys->es) == 0 );
    vlc_array_clear( &p_sys->es );

406 407 408 409 410
    /* Titles */
    for (unsigned int i = 0; i < p_sys->i_title; i++)
        vlc_input_title_Delete(p_sys->pp_title[i]);
    TAB_CLEAN( p_sys->i_title, p_sys->pp_title );

411
    free(p_sys->psz_bd_path);
412 413 414
    free(p_sys);
}

415 416 417 418 419 420 421 422
/*****************************************************************************
 * Elementary streams handling
 *****************************************************************************/

struct es_out_sys_t {
    demux_t *p_demux;
};

423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445
typedef struct  fmt_es_pair {
    int         i_id;
    es_out_id_t *p_es;
}               fmt_es_pair_t;

static int  findEsPairIndex( demux_sys_t *p_sys, int i_id )
{
    for ( int i = 0; i < vlc_array_count(&p_sys->es); ++i ) {
        if ( ((fmt_es_pair_t*)vlc_array_item_at_index(&p_sys->es, i))->i_id == i_id )
            return i;
    }
    return -1;
}

static int  findEsPairIndexByEs( demux_sys_t *p_sys, es_out_id_t *p_es )
{
    for ( int i = 0; i < vlc_array_count(&p_sys->es); ++i ) {
        if ( ((fmt_es_pair_t*)vlc_array_item_at_index(&p_sys->es, i))->p_es == p_es )
            return i;
    }
    return -1;
}

446 447
static es_out_id_t *esOutAdd( es_out_t *p_out, const es_format_t *p_fmt )
{
448 449 450 451 452 453 454
    demux_sys_t *p_sys = p_out->p_sys->p_demux->p_sys;
    es_format_t fmt;

    es_format_Copy(&fmt, p_fmt);
    switch (fmt.i_cat)
    {
    case VIDEO_ES:
455 456
        if ( p_sys->i_video_stream != -1 && p_sys->i_video_stream != p_fmt->i_id )
            fmt.i_priority = -2;
457 458 459 460 461 462 463 464 465 466
        break ;
    case AUDIO_ES:
        if ( p_sys->i_audio_stream != -1 && p_sys->i_audio_stream != p_fmt->i_id )
            fmt.i_priority = -2;
        break ;
    case SPU_ES:
        break ;
    }

    es_out_id_t *p_es = es_out_Add( p_out->p_sys->p_demux->out, &fmt );
467 468
    if ( p_fmt->i_id >= 0 ) {
        /* Ensure we are not overriding anything */
469
        int idx = findEsPairIndex(p_sys, p_fmt->i_id);
470 471 472 473 474
        if ( idx == -1 ) {
            fmt_es_pair_t *p_pair = malloc( sizeof(*p_pair) );
            if ( likely(p_pair != NULL) ) {
                p_pair->i_id = p_fmt->i_id;
                p_pair->p_es = p_es;
475
                msg_Info( p_out->p_sys->p_demux, "Adding ES %d", p_fmt->i_id );
476
                vlc_array_append(&p_sys->es, p_pair);
477 478 479
            }
        }
    }
480
    es_format_Clean(&fmt);
481
    return p_es;
482 483 484 485 486 487 488 489 490
}

static int esOutSend( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
{
    return es_out_Send( p_out->p_sys->p_demux->out, p_es, p_block );
}

static void esOutDel( es_out_t *p_out, es_out_id_t *p_es )
{
491 492 493 494 495 496
    int idx = findEsPairIndexByEs( p_out->p_sys->p_demux->p_sys, p_es );
    if (idx >= 0)
    {
        free( vlc_array_item_at_index( &p_out->p_sys->p_demux->p_sys->es, idx) );
        vlc_array_remove(&p_out->p_sys->p_demux->p_sys->es, idx);
    }
497 498 499 500 501 502 503 504 505 506
    es_out_Del( p_out->p_sys->p_demux->out, p_es );
}

static int esOutControl( es_out_t *p_out, int i_query, va_list args )
{
    return es_out_vaControl( p_out->p_sys->p_demux->out, i_query, args );
}

static void esOutDestroy( es_out_t *p_out )
{
507 508 509
    for ( int i = 0; i < vlc_array_count(&p_out->p_sys->p_demux->p_sys->es); ++i )
        free( vlc_array_item_at_index(&p_out->p_sys->p_demux->p_sys->es, i) );
    vlc_array_clear(&p_out->p_sys->p_demux->p_sys->es);
510 511 512 513 514 515
    free( p_out->p_sys );
    free( p_out );
}

static es_out_t *esOutNew( demux_t *p_demux )
{
516
    assert( vlc_array_count(&p_demux->p_sys->es) == 0 );
517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535
    es_out_t    *p_out = malloc( sizeof(*p_out) );
    if ( unlikely(p_out == NULL) )
        return NULL;

    p_out->pf_add       = &esOutAdd;
    p_out->pf_control   = &esOutControl;
    p_out->pf_del       = &esOutDel;
    p_out->pf_destroy   = &esOutDestroy;
    p_out->pf_send      = &esOutSend;

    p_out->p_sys = malloc( sizeof(*p_out->p_sys) );
    if ( unlikely( p_out->p_sys == NULL ) ) {
        free( p_out );
        return NULL;
    }
    p_out->p_sys->p_demux = p_demux;
    return p_out;
}

536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613
/*****************************************************************************
 * subpicture_updater_t functions:
 *****************************************************************************/
static int subpictureUpdaterValidate( subpicture_t *p_subpic,
                                      bool b_fmt_src, const video_format_t *p_fmt_src,
                                      bool b_fmt_dst, const video_format_t *p_fmt_dst,
                                      mtime_t i_ts )
{
    VLC_UNUSED( b_fmt_src );
    VLC_UNUSED( b_fmt_dst );
    VLC_UNUSED( p_fmt_src );
    VLC_UNUSED( p_fmt_dst );
    VLC_UNUSED( i_ts );

    subpicture_updater_sys_t *p_upd_sys = p_subpic->updater.p_sys;
    bluray_overlay_t         *p_overlay = p_upd_sys->p_overlay;

    vlc_mutex_lock(&p_overlay->lock);
    int res = p_overlay->status == Outdated;
    vlc_mutex_unlock(&p_overlay->lock);
    return res;
}

/* This should probably be moved to subpictures.c afterward */
static subpicture_region_t* subpicture_region_Clone(subpicture_region_t *p_region_src)
{
    if (!p_region_src)
        return NULL;
    subpicture_region_t *p_region_dst = subpicture_region_New(&p_region_src->fmt);
    if (unlikely(!p_region_dst))
        return NULL;

    p_region_dst->i_x      = p_region_src->i_x;
    p_region_dst->i_y      = p_region_src->i_y;
    p_region_dst->i_align  = p_region_src->i_align;
    p_region_dst->i_alpha  = p_region_src->i_alpha;

    p_region_dst->psz_text = p_region_src->psz_text ? strdup(p_region_src->psz_text) : NULL;
    p_region_dst->psz_html = p_region_src->psz_html ? strdup(p_region_src->psz_html) : NULL;
    if (p_region_src->p_style != NULL) {
        p_region_dst->p_style = malloc(sizeof(*p_region_dst->p_style));
        p_region_dst->p_style = text_style_Copy(p_region_dst->p_style,
                                                p_region_src->p_style);
    }

    //Palette is already copied by subpicture_region_New, we just have to duplicate p_pixels
    for (int i = 0; i < p_region_src->p_picture->i_planes; i++)
        memcpy(p_region_dst->p_picture->p[i].p_pixels,
               p_region_src->p_picture->p[i].p_pixels,
               p_region_src->p_picture->p[i].i_lines * p_region_src->p_picture->p[i].i_pitch);
    return p_region_dst;
}

static void subpictureUpdaterUpdate(subpicture_t *p_subpic,
                                    const video_format_t *p_fmt_src,
                                    const video_format_t *p_fmt_dst,
                                    mtime_t i_ts)
{
    VLC_UNUSED(p_fmt_src);
    VLC_UNUSED(p_fmt_dst);
    VLC_UNUSED(i_ts);
    subpicture_updater_sys_t *p_upd_sys = p_subpic->updater.p_sys;
    bluray_overlay_t         *p_overlay = p_upd_sys->p_overlay;

    /*
     * When this function is called, all p_subpic regions are gone.
     * We need to duplicate our regions (stored internaly) to this subpic.
     */
    vlc_mutex_lock(&p_overlay->lock);

    subpicture_region_t *p_src = p_overlay->p_regions;
    if (!p_src)
        return;

    subpicture_region_t **p_dst = &(p_subpic->p_region);
    while (p_src != NULL) {
        *p_dst = subpicture_region_Clone(p_src);
        if (*p_dst == NULL)
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
614
            break;
615 616 617 618 619 620 621 622 623
        p_dst = &((*p_dst)->p_next);
        p_src = p_src->p_next;
    }
    if (*p_dst != NULL)
        (*p_dst)->p_next = NULL;
    p_overlay->status = Displayed;
    vlc_mutex_unlock(&p_overlay->lock);
}

624 625
static void blurayCleanOverlayStruct(bluray_overlay_t *);

626 627
static void subpictureUpdaterDestroy(subpicture_t *p_subpic)
{
628
    blurayCleanOverlayStruct(p_subpic->updater.p_sys->p_overlay);
629 630
}

631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653
/*****************************************************************************
 * User input events:
 *****************************************************************************/
static int onMouseEvent(vlc_object_t *p_vout, const char *psz_var, vlc_value_t old,
                        vlc_value_t val, void *p_data)
{
    demux_t     *p_demux = (demux_t*)p_data;
    demux_sys_t *p_sys   = p_demux->p_sys;
    mtime_t     now      = mdate();
    VLC_UNUSED(old);
    VLC_UNUSED(p_vout);

    if (psz_var[6] == 'm')   //Mouse moved
        bd_mouse_select(p_sys->bluray, now, val.coords.x, val.coords.y);
    else if (psz_var[6] == 'c') {
        bd_mouse_select(p_sys->bluray, now, val.coords.x, val.coords.y);
        bd_user_input(p_sys->bluray, now, BD_VK_MOUSE_ACTIVATE);
    } else {
        assert(0);
    }
    return VLC_SUCCESS;
}

654 655 656
/*****************************************************************************
 * libbluray overlay handling:
 *****************************************************************************/
657
static void blurayCleanOverlayStruct(bluray_overlay_t *p_overlay)
658
{
659 660
    if (!atomic_flag_test_and_set(&p_overlay->released_once))
        return;
661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679
    /*
     * This will be called when destroying the picture.
     * Don't delete it again from here!
     */
    vlc_mutex_destroy(&p_overlay->lock);
    subpicture_region_Delete(p_overlay->p_regions);
    free(p_overlay);
}

static void blurayCloseAllOverlays(demux_t *p_demux)
{
    demux_sys_t *p_sys = p_demux->p_sys;

    p_demux->p_sys->current_overlay = -1;
    if (p_sys->p_vout != NULL) {
        for (int i = 0; i < 0; i++) {
            if (p_sys->p_overlays[i] != NULL) {
                vout_FlushSubpictureChannel(p_sys->p_vout,
                                            p_sys->p_overlays[i]->p_pic->i_channel);
680
                blurayCleanOverlayStruct(p_sys->p_overlays[i]);
681 682 683
                p_sys->p_overlays[i] = NULL;
            }
        }
684 685
        var_DelCallback(p_sys->p_vout, "mouse-moved", &onMouseEvent, p_demux);
        var_DelCallback(p_sys->p_vout, "mouse-clicked", &onMouseEvent, p_demux);
686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711
        vlc_object_release(p_sys->p_vout);
        p_sys->p_vout = NULL;
    }
}

/*
 * Mark the overlay as "ToDisplay" status.
 * This will not send the overlay to the vout instantly, as the vout
 * may not be acquired (not acquirable) yet.
 * If is has already been acquired, the overlay has already been sent to it,
 * therefore, we only flag the overlay as "Outdated"
 */
static void blurayActivateOverlay(demux_t *p_demux, const BD_OVERLAY* const ov)
{
    demux_sys_t *p_sys = p_demux->p_sys;

    /*
     * If the overlay is already displayed, mark the picture as outdated.
     * We must NOT use vout_PutSubpicture if a picture is already displayed.
     */
    vlc_mutex_lock(&p_sys->p_overlays[ov->plane]->lock);
    if ((p_sys->p_overlays[ov->plane]->status == Displayed ||
            p_sys->p_overlays[ov->plane]->status == Outdated)
            && p_sys->p_vout) {
        p_sys->p_overlays[ov->plane]->status = Outdated;
        vlc_mutex_unlock(&p_sys->p_overlays[ov->plane]->lock);
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
712
        return;
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
    }
    /*
     * Mark the overlay as available, but don't display it right now.
     * the blurayDemuxMenu will send it to vout, as it may be unavailable when
     * the overlay is computed
     */
    p_sys->current_overlay = ov->plane;
    p_sys->p_overlays[ov->plane]->status = ToDisplay;
    vlc_mutex_unlock(&p_sys->p_overlays[ov->plane]->lock);
}

static void blurayInitOverlay(demux_t *p_demux, const BD_OVERLAY* const ov)
{
    demux_sys_t *p_sys = p_demux->p_sys;

    assert(p_sys->p_overlays[ov->plane] == NULL);

    p_sys->p_overlays[ov->plane] = calloc(1, sizeof(**p_sys->p_overlays));
    if (unlikely(!p_sys->p_overlays[ov->plane]))
        return;

    subpicture_updater_sys_t *p_upd_sys = malloc(sizeof(*p_upd_sys));
    if (unlikely(!p_upd_sys)) {
        free(p_sys->p_overlays[ov->plane]);
        p_sys->p_overlays[ov->plane] = NULL;
        return;
    }
740 741
    /* two references: vout + demux */
    p_sys->p_overlays[ov->plane]->released_once = ATOMIC_FLAG_INIT;
742 743 744 745 746 747 748 749

    p_upd_sys->p_overlay = p_sys->p_overlays[ov->plane];
    subpicture_updater_t updater = {
        .pf_validate = subpictureUpdaterValidate,
        .pf_update   = subpictureUpdaterUpdate,
        .pf_destroy  = subpictureUpdaterDestroy,
        .p_sys       = p_upd_sys,
    };
750
    vlc_mutex_init(&p_sys->p_overlays[ov->plane]->lock);
751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
    p_sys->p_overlays[ov->plane]->p_pic = subpicture_New(&updater);
    p_sys->p_overlays[ov->plane]->p_pic->i_original_picture_width = ov->w;
    p_sys->p_overlays[ov->plane]->p_pic->i_original_picture_height = ov->h;
    p_sys->p_overlays[ov->plane]->p_pic->b_ephemer = true;
    p_sys->p_overlays[ov->plane]->p_pic->b_absolute = true;
}

/**
 * Destroy every regions in the subpicture.
 * This is done in two steps:
 * - Wiping our private regions list
 * - Flagging the overlay as outdated, so the changes are replicated from
 *   the subpicture_updater_t::pf_update
 * This doesn't destroy the subpicture, as the overlay may be used again by libbluray.
 */
static void blurayClearOverlay(demux_t *p_demux, const BD_OVERLAY* const ov)
{
    demux_sys_t *p_sys = p_demux->p_sys;

    vlc_mutex_lock(&p_sys->p_overlays[ov->plane]->lock);

    subpicture_region_ChainDelete(p_sys->p_overlays[ov->plane]->p_regions);
    p_sys->p_overlays[ov->plane]->p_regions = NULL;
    p_sys->p_overlays[ov->plane]->status = Outdated;
    vlc_mutex_unlock(&p_sys->p_overlays[ov->plane]->lock);
}

/*
 * This will draw to the overlay by adding a region to our region list
 * This will have to be copied to the subpicture used to render the overlay.
 */
static void blurayDrawOverlay(demux_t *p_demux, const BD_OVERLAY* const ov)
{
    demux_sys_t *p_sys = p_demux->p_sys;

    /*
     * Compute a subpicture_region_t.
     * It will be copied and sent to the vout later.
     */
    if (!ov->img)
        return;

    vlc_mutex_lock(&p_sys->p_overlays[ov->plane]->lock);

    /* Find a region to update */
    subpicture_region_t *p_reg = p_sys->p_overlays[ov->plane]->p_regions;
    subpicture_region_t *p_last = NULL;
    while (p_reg != NULL) {
        p_last = p_reg;
        if (p_reg->i_x == ov->x && p_reg->i_y == ov->y &&
                p_reg->fmt.i_width == ov->w && p_reg->fmt.i_height == ov->h)
            break;
        p_reg = p_reg->p_next;
    }

    /* If there is no region to update, create a new one. */
    if (!p_reg) {
        video_format_t fmt;
        video_format_Init(&fmt, 0);
        video_format_Setup(&fmt, VLC_CODEC_YUVP, ov->w, ov->h, 1, 1);

        p_reg = subpicture_region_New(&fmt);
        p_reg->i_x = ov->x;
        p_reg->i_y = ov->y;
        /* Append it to our list. */
        if (p_last != NULL)
            p_last->p_next = p_reg;
        else /* If we don't have a last region, then our list empty */
            p_sys->p_overlays[ov->plane]->p_regions = p_reg;
    }

    /* Now we can update the region, regardless it's an update or an insert */
    const BD_PG_RLE_ELEM *img = ov->img;
    for (int y = 0; y < ov->h; y++) {
        for (int x = 0; x < ov->w;) {
            memset(p_reg->p_picture->p[0].p_pixels +
                   y * p_reg->p_picture->p[0].i_pitch + x,
                   img->color, img->len);
            x += img->len;
            img++;
        }
    }
    if (ov->palette) {
        p_reg->fmt.p_palette->i_entries = 256;
        for (int i = 0; i < 256; ++i) {
            p_reg->fmt.p_palette->palette[i][0] = ov->palette[i].Y;
            p_reg->fmt.p_palette->palette[i][1] = ov->palette[i].Cb;
            p_reg->fmt.p_palette->palette[i][2] = ov->palette[i].Cr;
            p_reg->fmt.p_palette->palette[i][3] = ov->palette[i].T;
        }
    }
    vlc_mutex_unlock(&p_sys->p_overlays[ov->plane]->lock);
    /*
     * /!\ The region is now stored in our internal list, but not in the subpicture /!\
     */
}

static void blurayOverlayProc(void *ptr, const BD_OVERLAY *const overlay)
{
    demux_t *p_demux = (demux_t*)ptr;

    if (!overlay) {
        msg_Info(p_demux, "Closing overlay.");
        blurayCloseAllOverlays(p_demux);
        return;
    }
    switch (overlay->cmd) {
        case BD_OVERLAY_INIT:
            msg_Info(p_demux, "Initializing overlay");
            blurayInitOverlay(p_demux, overlay);
            break;
        case BD_OVERLAY_CLEAR:
            blurayClearOverlay(p_demux, overlay);
            break;
        case BD_OVERLAY_FLUSH:
            blurayActivateOverlay(p_demux, overlay);
            break;
        case BD_OVERLAY_DRAW:
            blurayDrawOverlay(p_demux, overlay);
            break;
        default:
            msg_Warn(p_demux, "Unknown BD overlay command: %u", overlay->cmd);
            break;
    }
}

static void bluraySendOverlayToVout(demux_t *p_demux)
{
    demux_sys_t *p_sys = p_demux->p_sys;

    assert(p_sys->current_overlay >= 0 &&
           p_sys->p_overlays[p_sys->current_overlay] != NULL &&
           p_sys->p_overlays[p_sys->current_overlay]->p_pic != NULL);

    p_sys->p_overlays[p_sys->current_overlay]->p_pic->i_start =
        p_sys->p_overlays[p_sys->current_overlay]->p_pic->i_stop = mdate();
    p_sys->p_overlays[p_sys->current_overlay]->p_pic->i_channel =
        vout_RegisterSubpictureChannel(p_sys->p_vout);
    /*
     * After this point, the picture should not be accessed from the demux thread,
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
891
     * as it is held by the vout thread.
892 893 894 895 896 897 898 899 900 901
     * This must be done only once per subpicture, ie. only once between each
     * blurayInitOverlay & blurayCloseOverlay call.
     */
    vout_PutSubpicture(p_sys->p_vout, p_sys->p_overlays[p_sys->current_overlay]->p_pic);
    /*
     * Mark the picture as Outdated, as it contains no region for now.
     * This will make the subpicture_updater_t call pf_update
     */
    p_sys->p_overlays[p_sys->current_overlay]->status = Outdated;
}
902 903

static int blurayInitTitles(demux_t *p_demux )
904
{
905
    demux_sys_t *p_sys = p_demux->p_sys;
906 907

    /* get and set the titles */
908
    unsigned i_title = bd_get_titles(p_sys->bluray, TITLES_RELEVANT, 60);
909 910 911 912 913 914 915
    int64_t duration = 0;

    for (unsigned int i = 0; i < i_title; i++) {
        input_title_t *t = vlc_input_title_New();
        if (!t)
            break;

916
        BLURAY_TITLE_INFO *title_info = bd_get_title_info(p_sys->bluray, i, 0);
917 918
        if (!title_info)
            break;
919
        t->i_length = FROM_TICKS(title_info->duration);
920 921 922 923 924 925 926 927

        if (t->i_length > duration) {
            duration = t->i_length;
            p_sys->i_longest_title = i;
        }

        for ( unsigned int j = 0; j < title_info->chapter_count; j++) {
            seekpoint_t *s = vlc_seekpoint_New();
928
            if (!s)
929 930 931 932 933 934 935 936 937 938
                break;
            s->i_time_offset = title_info->chapters[j].offset;

            TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
        }
        TAB_APPEND( p_sys->i_title, p_sys->pp_title, t );
        bd_free_title_info(title_info);
    }
    return VLC_SUCCESS;
}
939

940 941 942 943 944 945 946 947
static void blurayResetParser( demux_t *p_demux )
{
    /*
     * This is a hack and will have to be removed.
     * The parser should be flushed, and not destroy/created each time
     * we are changing title.
     */
    demux_sys_t *p_sys = p_demux->p_sys;
948 949
    if (p_sys->p_parser)
        stream_Delete(p_sys->p_parser);
950
    p_sys->p_parser = stream_DemuxNew(p_demux, "ts", p_sys->p_out);
951 952 953 954 955
    if (!p_sys->p_parser) {
        msg_Err(p_demux, "Failed to create TS demuxer");
    }
}

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
956
static void blurayUpdateTitle(demux_t *p_demux, unsigned i_title)
957
{
958
    blurayResetParser(p_demux);
959 960
    if (i_title >= p_demux->p_sys->i_title)
        return;
961

962 963 964 965 966
    /* read title info and init some values */
    p_demux->info.i_title = i_title;
    p_demux->info.i_seekpoint = 0;
    p_demux->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
}
967

968 969 970
/*****************************************************************************
 * bluraySetTitle: select new BD title
 *****************************************************************************/
971
static int bluraySetTitle(demux_t *p_demux, int i_title)
972
{
973
    demux_sys_t *p_sys = p_demux->p_sys;
974

975
    /* Looking for the main title, ie the longest duration */
976
    if (i_title < 0)
977
        i_title = p_sys->i_longest_title;
978 979
    else if ((unsigned)i_title > p_sys->i_title)
        return VLC_EGENERIC;
980

981
    msg_Dbg( p_demux, "Selecting Title %i", i_title);
982

983
    /* Select Blu-Ray title */
984 985
    if (bd_select_title(p_demux->p_sys->bluray, i_title) == 0 ) {
        msg_Err(p_demux, "cannot select bd title '%d'", p_demux->info.i_title);
986 987
        return VLC_EGENERIC;
    }
988
    blurayUpdateTitle( p_demux, i_title );
989 990 991 992 993 994 995 996

    return VLC_SUCCESS;
}


/*****************************************************************************
 * blurayControl: handle the controls
 *****************************************************************************/
997
static int blurayControl(demux_t *p_demux, int query, va_list args)
998
{
999
    demux_sys_t *p_sys = p_demux->p_sys;
1000 1001 1002 1003
    bool     *pb_bool;
    int64_t  *pi_64;

    switch (query) {
1004 1005 1006
        case DEMUX_CAN_SEEK:
        case DEMUX_CAN_PAUSE:
        case DEMUX_CAN_CONTROL_PACE:
1007 1008 1009 1010
             pb_bool = (bool*)va_arg( args, bool * );
             *pb_bool = true;
             break;

1011
        case DEMUX_GET_PTS_DELAY:
1012
            pi_64 = (int64_t*)va_arg( args, int64_t * );
1013 1014
            *pi_64 =
                INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
1015 1016
            break;

1017
        case DEMUX_SET_PAUSE_STATE:
1018 1019 1020
            /* Nothing to do */
            break;

1021
        case DEMUX_SET_TITLE:
1022 1023
        {
            int i_title = (int)va_arg( args, int );
1024
            if (bluraySetTitle(p_demux, i_title) != VLC_SUCCESS)
1025 1026 1027
                return VLC_EGENERIC;
            break;
        }
1028
        case DEMUX_SET_SEEKPOINT:
1029 1030 1031
        {
            int i_chapter = (int)va_arg( args, int );
            bd_seek_chapter( p_sys->bluray, i_chapter );
1032
            p_demux->info.i_update = INPUT_UPDATE_SEEKPOINT;
1033 1034
            break;
        }
1035

1036
        case DEMUX_GET_TITLE_INFO:
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054
        {
            input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
            int *pi_int             = (int*)va_arg( args, int* );
            int *pi_title_offset    = (int*)va_arg( args, int* );
            int *pi_chapter_offset  = (int*)va_arg( args, int* );

            /* */
            *pi_title_offset   = 0;
            *pi_chapter_offset = 0;

            /* Duplicate local title infos */
            *pi_int = p_sys->i_title;
            *ppp_title = calloc( p_sys->i_title, sizeof(input_title_t **) );
            for( unsigned int i = 0; i < p_sys->i_title; i++ )
                (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->pp_title[i]);

            return VLC_SUCCESS;
        }
1055

1056 1057 1058
        case DEMUX_GET_LENGTH:
        {
            int64_t *pi_length = (int64_t*)va_arg(args, int64_t *);
1059
            *pi_length = p_demux->info.i_title < (int)p_sys->i_title ? CUR_LENGTH : 0;
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073
            return VLC_SUCCESS;
        }
        case DEMUX_SET_TIME:
        {
            int64_t i_time = (int64_t)va_arg(args, int64_t);
            bd_seek_time(p_sys->bluray, TO_TICKS(i_time));
            return VLC_SUCCESS;
        }
        case DEMUX_GET_TIME:
        {
            int64_t *pi_time = (int64_t*)va_arg(args, int64_t *);
            *pi_time = (int64_t)FROM_TICKS(bd_tell_time(p_sys->bluray));
            return VLC_SUCCESS;
        }
1074

1075 1076 1077
        case DEMUX_GET_POSITION:
        {
            double *pf_position = (double*)va_arg( args, double * );
1078
            *pf_position = p_demux->info.i_title < (int)p_sys->i_title ?
1079
                        (double)FROM_TICKS(bd_tell_time(p_sys->bluray))/CUR_LENGTH : 0.0;
1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091
            return VLC_SUCCESS;
        }
        case DEMUX_SET_POSITION:
        {
            double f_position = (double)va_arg(args, double);
            bd_seek_time(p_sys->bluray, TO_TICKS(f_position*CUR_LENGTH));
            return VLC_SUCCESS;
        }

        case DEMUX_GET_META:
        {
            vlc_meta_t *p_meta = (vlc_meta_t *) va_arg (args, vlc_meta_t*);
1092
            const META_DL *meta = p_sys->p_meta;
1093 1094
            if (meta == NULL)
                return VLC_EGENERIC;
1095

1096
            if (!EMPTY_STR(meta->di_name)) vlc_meta_SetTitle(p_meta, meta->di_name);
1097

1098 1099 1100
            if (!EMPTY_STR(meta->language_code)) vlc_meta_AddExtra(p_meta, "Language", meta->language_code);
            if (!EMPTY_STR(meta->filename)) vlc_meta_AddExtra(p_meta, "Filename", meta->filename);
            if (!EMPTY_STR(meta->di_alternative)) vlc_meta_AddExtra(p_meta, "Alternative", meta->di_alternative);
1101

1102 1103
            // if (meta->di_set_number > 0) vlc_meta_SetTrackNum(p_meta, meta->di_set_number);
            // if (meta->di_num_sets > 0) vlc_meta_AddExtra(p_meta, "Discs numbers in Set", meta->di_num_sets);
1104

1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118
            if (meta->thumb_count > 0 && meta->thumbnails)
            {
                char *psz_thumbpath;
                if( asprintf( &psz_thumbpath, "%s" DIR_SEP "BDMV" DIR_SEP "META" DIR_SEP "DL" DIR_SEP "%s",
                              p_sys->psz_bd_path, meta->thumbnails[0].path ) > 0 )
                {
                    char *psz_thumburl = vlc_path2uri( psz_thumbpath, "file" );
                    if( unlikely(psz_thumburl == NULL) )
                        return VLC_ENOMEM;

                    vlc_meta_SetArtURL( p_meta, psz_thumburl );
                    free( psz_thumburl );
                }
                free( psz_thumbpath );
1119 1120 1121 1122 1123 1124