engine.c 22.1 KB
Newer Older
1 2 3
/*****************************************************************************
 * engine.c : Run the playlist and handle its control
 *****************************************************************************
4
 * Copyright (C) 1999-2007 the VideoLAN team
Antoine Cellerier's avatar
Antoine Cellerier committed
5
 * $Id$
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
 *
 * Authors: Samuel Hocevar <sam@zoy.org>
 *          Clément Stenac <zorglub@videolan.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (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
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU 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.
 *****************************************************************************/
24

25 26 27 28
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

29
#include <assert.h>
30
#include <vlc_common.h>
Clément Stenac's avatar
Clément Stenac committed
31 32 33
#include <vlc_sout.h>
#include <vlc_playlist.h>
#include <vlc_interface.h>
34
#include "playlist_internal.h"
Clément Stenac's avatar
Clément Stenac committed
35
#include "stream_output/stream_output.h" /* sout_DeleteInstance */
36 37 38 39 40

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
static void VariablesInit( playlist_t *p_playlist );
41
static void playlist_Destructor( vlc_object_t * p_this );
42
static void playlist_Destructor( vlc_object_t * p_this );
43

Clément Stenac's avatar
Clément Stenac committed
44 45 46
static int RandomCallback( vlc_object_t *p_this, char const *psz_cmd,
                           vlc_value_t oldval, vlc_value_t newval, void *a )
{
47 48
    (void)psz_cmd; (void)oldval; (void)newval; (void)a;

49
    ((playlist_t*)p_this)->b_reset_currently_playing = true;
50
    playlist_Signal( ((playlist_t*)p_this) );
Clément Stenac's avatar
Clément Stenac committed
51 52 53
    return VLC_SUCCESS;
}

54 55 56 57 58 59 60 61 62
/**
 * Create playlist
 *
 * Create a playlist structure.
 * \param p_parent the vlc object that is to be the parent of this playlist
 * \return a pointer to the created playlist, or NULL on error
 */
playlist_t * playlist_Create( vlc_object_t *p_parent )
{
63
    static const char playlist_name[] = "playlist";
64
    playlist_t *p_playlist;
65
    bool b_save;
66 67

    /* Allocate structure */
68
    p_playlist = vlc_custom_create( p_parent, sizeof( *p_playlist ),
69
                                    VLC_OBJECT_GENERIC, playlist_name );
70 71
    if( !p_playlist )
        return NULL;
72

73
    TAB_INIT( p_playlist->i_sds, p_playlist->pp_sds );
74

75
    libvlc_priv(p_parent->p_libvlc)->p_playlist = p_playlist;
76 77 78 79

    VariablesInit( p_playlist );

    /* Initialise data structures */
80
    vlc_mutex_init( &p_playlist->gc_lock );
81 82 83
    p_playlist->i_last_playlist_id = 0;
    p_playlist->p_input = NULL;

84
    p_playlist->gc_date = 0;
85
    p_playlist->b_cant_sleep = false;
86

Clément Stenac's avatar
Clément Stenac committed
87 88 89
    ARRAY_INIT( p_playlist->items );
    ARRAY_INIT( p_playlist->all_items );
    ARRAY_INIT( p_playlist->current );
90

Clément Stenac's avatar
Clément Stenac committed
91
    p_playlist->i_current_index = 0;
92
    p_playlist->b_reset_currently_playing = true;
93
    p_playlist->last_rebuild_date = 0;
Clément Stenac's avatar
Clément Stenac committed
94

95
    p_playlist->b_tree = var_CreateGetBool( p_playlist, "playlist-tree" );
96

97
    p_playlist->b_doing_ml = false;
98

99
    p_playlist->b_auto_preparse =
100
                        var_CreateGetBool( p_playlist, "auto-preparse" ) ;
101

102
    p_playlist->p_root_category = playlist_NodeCreate( p_playlist, NULL, NULL,
103
                                    0, NULL );
104
    p_playlist->p_root_onelevel = playlist_NodeCreate( p_playlist, NULL, NULL,
105
                                    0, p_playlist->p_root_category->p_input );
106

107 108 109
    if( !p_playlist->p_root_category || !p_playlist->p_root_onelevel )
        return NULL;

110
    /* Create playlist and media library */
111 112
    playlist_NodesPairCreate( p_playlist, _( "Playlist" ),
                            &p_playlist->p_local_category,
113
                            &p_playlist->p_local_onelevel, false );
114

115 116 117
    p_playlist->p_local_category->i_flags |= PLAYLIST_RO_FLAG;
    p_playlist->p_local_onelevel->i_flags |= PLAYLIST_RO_FLAG;

118 119 120 121 122
    if( !p_playlist->p_local_category || !p_playlist->p_local_onelevel ||
        !p_playlist->p_local_category->p_input ||
        !p_playlist->p_local_onelevel->p_input )
        return NULL;

123 124
    if( config_GetInt( p_playlist, "media-library") )
    {
125 126
        playlist_NodesPairCreate( p_playlist, _( "Media Library" ),
                            &p_playlist->p_ml_category,
127
                            &p_playlist->p_ml_onelevel, false );
128 129 130 131

        if(!p_playlist->p_ml_category || !p_playlist->p_ml_onelevel)
            return NULL;

132 133 134 135 136 137 138
        p_playlist->p_ml_category->i_flags |= PLAYLIST_RO_FLAG;
        p_playlist->p_ml_onelevel->i_flags |= PLAYLIST_RO_FLAG;
    }
    else
    {
        p_playlist->p_ml_category = p_playlist->p_ml_onelevel = NULL;
    }
139 140 141

    /* Initial status */
    p_playlist->status.p_item = NULL;
142
    p_playlist->status.p_node = p_playlist->p_local_onelevel;
143
    p_playlist->request.b_request = false;
144 145 146 147 148
    p_playlist->status.i_status = PLAYLIST_STOPPED;

    p_playlist->i_sort = SORT_ID;
    p_playlist->i_order = ORDER_NORMAL;

149

150
    b_save = p_playlist->b_auto_preparse;
151
    p_playlist->b_auto_preparse = false;
152
    playlist_MLLoad( p_playlist );
153
    p_playlist->b_auto_preparse = true;
154

155 156
    vlc_object_set_destructor( p_playlist, playlist_Destructor );

157 158 159
    return p_playlist;
}

160 161 162 163 164 165 166
/**
 * Destroy playlist
 *
 * Destroy a playlist structure.
 * \param p_playlist the playlist object
 * \return nothing
 */
167 168 169 170 171

static void playlist_Destructor( vlc_object_t * p_this )
{
    playlist_t * p_playlist = (playlist_t *)p_this;

172 173
    if( p_playlist->p_preparse )
        vlc_object_release( p_playlist->p_preparse );
174

175 176
    if( p_playlist->p_fetcher )
        vlc_object_release( p_playlist->p_fetcher );
177
#ifndef NDEBUG
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
178
    libvlc_priv (p_this->p_libvlc)->p_playlist = NULL; /* pl_Yield() will fail */
179
#endif
180 181
}

182
/* Destroy remaining objects */
183
static void ObjectGarbageCollector( playlist_t *p_playlist, bool b_force )
184 185 186
{
    vlc_object_t *p_obj;

187
    if( !b_force )
188
    {
189 190
        if( mdate() - p_playlist->gc_date < 1000000 )
        {
191
            p_playlist->b_cant_sleep = true;
192 193 194 195
            return;
        }
        else if( p_playlist->gc_date == 0 )
            return;
196
    }
197

198
    vlc_mutex_lock( &p_playlist->gc_lock );
199
    p_playlist->b_cant_sleep = false;
200
    vlc_mutex_unlock( &p_playlist->gc_lock );
201 202
}

203 204 205 206 207 208 209 210
/* Input Callback */
static void input_state_changed( const vlc_event_t * event, void * data )
{
    (void)event;
    playlist_t * p_playlist = data;
    playlist_Signal( p_playlist );
}

211 212 213 214 215 216 217 218 219 220 221
/* Input Callback */
static void input_selected_stream_changed( const vlc_event_t * event, void * data )
{
    (void)event;
    playlist_t * p_playlist = data;
    PL_LOCK;
    p_playlist->gc_date = mdate();
    vlc_object_signal_unlocked( p_playlist );
    PL_UNLOCK;
}

222 223 224
/* Internals */
void playlist_release_current_input( playlist_t * p_playlist )
{
225
    vlc_assert_locked( &(vlc_internals(p_playlist)->lock) );
226 227 228 229

    if( !p_playlist->p_input ) return;

    input_thread_t * p_input = p_playlist->p_input;
230 231 232 233
    vlc_event_manager_t * p_em = input_get_event_manager( p_input );

    vlc_event_detach( p_em, vlc_InputStateChanged,
                      input_state_changed, p_playlist );
234 235
    vlc_event_detach( p_em, vlc_InputSelectedStreamChanged,
                      input_selected_stream_changed, p_playlist );
236 237 238 239 240 241 242 243 244 245 246 247
    p_playlist->p_input = NULL;

    /* Release the playlist lock, because we may get stuck
     * in vlc_object_release() for some time. */
    PL_UNLOCK;
    vlc_object_release( p_input );
    PL_LOCK;
}

void playlist_set_current_input(
    playlist_t * p_playlist, input_thread_t * p_input )
{
248
    vlc_assert_locked( &(vlc_internals(p_playlist)->lock) );
249 250 251 252 253 254 255

    playlist_release_current_input( p_playlist );

    if( p_input )
    {
        vlc_object_yield( p_input );
        p_playlist->p_input = p_input;
256 257 258
        vlc_event_manager_t * p_em = input_get_event_manager( p_input );
        vlc_event_attach( p_em, vlc_InputStateChanged,
                          input_state_changed, p_playlist );
259 260
        vlc_event_attach( p_em, vlc_InputSelectedStreamChanged,
                          input_selected_stream_changed, p_playlist );
261 262 263
    }
}

264

265 266 267 268
/**
 * @}
 */

269 270 271 272 273 274 275
/**
 * Main loop
 *
 * Main loop for the playlist
 * \param p_playlist the playlist object
 * \return nothing
 */
276 277 278
void playlist_MainLoop( playlist_t *p_playlist )
{
    playlist_item_t *p_item = NULL;
279
    bool b_playexit = var_GetBool( p_playlist, "play-and-exit" );
280
    PL_LOCK;
281

282 283
    if( p_playlist->b_reset_currently_playing &&
        mdate() - p_playlist->last_rebuild_date > 30000 ) // 30 ms
284
    {
285
        ResetCurrentlyPlaying( p_playlist, var_GetBool( p_playlist, "random" ),
286 287
                             p_playlist->status.p_item );
        p_playlist->last_rebuild_date = mdate();
288
    }
289

290
check_input:
291 292 293
    /* If there is an input, check that it doesn't need to die. */
    if( p_playlist->p_input )
    {
294 295 296 297 298 299
        if( p_playlist->request.b_request && !p_playlist->p_input->b_die )
        {
            PL_DEBUG( "incoming request - stopping current input" );
            input_StopThread( p_playlist->p_input );
        }

300 301 302 303 304
        /* This input is dead. Remove it ! */
        if( p_playlist->p_input->b_dead )
        {
            int i_activity;
            input_thread_t *p_input;
305 306 307
            sout_instance_t **pp_sout =
                &libvlc_priv(p_playlist->p_libvlc)->p_sout;

308
            PL_DEBUG( "dead input" );
309 310

            p_input = p_playlist->p_input;
311

312 313 314
            assert( *pp_sout == NULL );
            if( var_CreateGetBool( p_input, "sout-keep" ) )
                *pp_sout = input_DetachSout( p_input );
315 316

            /* Destroy input */
317
            playlist_release_current_input( p_playlist );
318 319

            p_playlist->gc_date = mdate();
320
            p_playlist->b_cant_sleep = true;
321 322 323 324

            if( p_playlist->status.p_item->i_flags
                & PLAYLIST_REMOVE_FLAG )
            {
325 326
                 PL_DEBUG( "%s was marked for deletion, deleting",
                                 PLI_NAME( p_playlist->status.p_item  ) );
327
                 playlist_ItemDelete( p_playlist->status.p_item );
328 329
                 if( p_playlist->request.p_item == p_playlist->status.p_item )
                     p_playlist->request.p_item = NULL;
330 331 332
                 p_playlist->status.p_item = NULL;
            }

333
            i_activity= var_GetInteger( p_playlist, "activity" );
334 335
            var_SetInteger( p_playlist, "activity", i_activity -
                            DEFAULT_INPUT_ACTIVITY );
336

337
            goto check_input;
338 339 340 341
        }
        /* This input is dying, let it do */
        else if( p_playlist->p_input->b_die )
        {
342
            PL_DEBUG( "dying input" );
343
            PL_UNLOCK;
344
            msleep( INTF_IDLE_SLEEP );
345
            PL_LOCK;
346
            goto check_input;
347 348 349 350 351
        }
        /* This input has finished, ask it to die ! */
        else if( p_playlist->p_input->b_error
                  || p_playlist->p_input->b_eof )
        {
352
            PL_DEBUG( "finished input" );
353
            input_StopThread( p_playlist->p_input );
354 355
            /* No need to wait here, we'll wait in the p_input->b_die case */
            goto check_input;
356 357 358
        }
        else if( p_playlist->p_input->i_state != INIT_S )
        {
359
            PL_UNLOCK;
360
            ObjectGarbageCollector( p_playlist, false );
361
            PL_LOCK;
362 363 364 365 366 367 368 369 370
        }
    }
    else
    {
        /* No input. Several cases
         *  - No request, running status -> start new item
         *  - No request, stopped status -> collect garbage
         *  - Request, running requested -> start new item
         *  - Request, stopped requested -> collect garbage
371
        */
Rafaël Carré's avatar
Rafaël Carré committed
372 373 374
        int i_status = p_playlist->request.b_request ?
            p_playlist->request.i_status : p_playlist->status.i_status;
        if( i_status != PLAYLIST_STOPPED )
375 376 377
        {
            msg_Dbg( p_playlist, "starting new item" );
            p_item = playlist_NextItem( p_playlist );
378

379 380
            if( p_item == NULL )
            {
381
                msg_Dbg( p_playlist, "nothing to play" );
382
                p_playlist->status.i_status = PLAYLIST_STOPPED;
383
                PL_UNLOCK;
384

385
                if( b_playexit == true )
386 387
                {
                    msg_Info( p_playlist, "end of playlist, exiting" );
388
                    vlc_object_kill( p_playlist->p_libvlc );
389
                }
390
                ObjectGarbageCollector( p_playlist, true );
391 392 393 394 395 396
                return;
             }
             playlist_PlayItem( p_playlist, p_item );
         }
         else
         {
397
            const bool b_gc_forced = p_playlist->status.i_status != PLAYLIST_STOPPED;
398

399 400 401 402 403 404 405 406
            p_playlist->status.i_status = PLAYLIST_STOPPED;
            if( p_playlist->status.p_item &&
                p_playlist->status.p_item->i_flags & PLAYLIST_REMOVE_FLAG )
            {
                PL_DEBUG( "deleting item marked for deletion" );
                playlist_ItemDelete( p_playlist->status.p_item );
                p_playlist->status.p_item = NULL;
            }
407

408 409
            /* Collect garbage */
            PL_UNLOCK;
410
            ObjectGarbageCollector( p_playlist, b_gc_forced );
411 412
            PL_LOCK;
        }
413
    }
414
    PL_UNLOCK;
415 416
}

417 418 419 420 421 422 423
/**
 * Last loop
 *
 * The playlist is dying so do the last loop
 * \param p_playlist the playlist object
 * \return nothing
*/
424 425 426 427 428 429 430
void playlist_LastLoop( playlist_t *p_playlist )
{
    vlc_object_t *p_obj;

    /* If there is an input, kill it */
    while( 1 )
    {
431
        PL_LOCK;
432 433
        if( p_playlist->p_input == NULL )
        {
434
            PL_UNLOCK;
435 436 437 438 439
            break;
        }

        if( p_playlist->p_input->b_dead )
        {
440 441
            /* remove input */
            playlist_release_current_input( p_playlist );
442

443 444 445
            /* sout-keep: no need to anything here.
             * The last input will destroy its sout, if any, by itself */

446
            PL_UNLOCK;
447 448 449 450 451 452 453 454 455 456
            continue;
        }
        else if( p_playlist->p_input->b_die )
        {
            /* This input is dying, leave it alone */
            ;
        }
        else if( p_playlist->p_input->b_error || p_playlist->p_input->b_eof )
        {
            input_StopThread( p_playlist->p_input );
457
            PL_UNLOCK;
458 459 460 461 462 463
            continue;
        }
        else
        {
            p_playlist->p_input->b_eof = 1;
        }
464
        PL_UNLOCK;
465 466 467 468

        msleep( INTF_IDLE_SLEEP );
    }

469
#ifdef ENABLE_SOUT
470 471 472 473
    /* close the remaining sout-keep (if there was no input atm) */
    sout_instance_t *p_sout = libvlc_priv (p_playlist->p_libvlc)->p_sout;
    if (p_sout)
        sout_DeleteInstance( p_sout );
474
#endif
475

476
    /* Core should have terminated all SDs before the playlist */
477 478
    /* TODO: It fails to do so when not playing anything -- Courmisch */
    playlist_ServicesDiscoveryKillAll( p_playlist );
479
    playlist_MLDump( p_playlist );
480 481 482 483

    PL_LOCK;
    FOREACH_ARRAY( playlist_item_t *p_del, p_playlist->all_items )
        free( p_del->pp_children );
Rafaël Carré's avatar
Rafaël Carré committed
484
        vlc_gc_decref( p_del->p_input );
485 486 487 488 489 490 491 492
        free( p_del );
    FOREACH_END();
    ARRAY_RESET( p_playlist->all_items );

    ARRAY_RESET( p_playlist->items );
    ARRAY_RESET( p_playlist->current );

    PL_UNLOCK;
493 494
}

495 496 497 498 499 500 501
/**
 * Preparse loop
 *
 * Main loop for preparser queue
 * \param p_obj items to preparse
 * \return nothing
 */
502 503
void playlist_PreparseLoop( playlist_preparse_t *p_obj )
{
504
    playlist_t *p_playlist = (playlist_t *)p_obj->p_parent;
505
    input_item_t *p_current;
506 507
    int i_activity;

508 509 510
    vlc_object_lock( p_obj );

    while( vlc_object_alive( p_obj ) )
511
    {
512
        if( p_obj->i_waiting == 0 )
513
        {
514 515
            vlc_object_wait( p_obj );
            continue;
516
        }
517

518
        p_current = p_obj->pp_waiting[0];
519
        REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 );
520
        vlc_object_unlock( p_obj );
521

Clément Stenac's avatar
Clément Stenac committed
522
        PL_LOCK;
523 524
        if( p_current )
        {
525
            if( p_current->i_type == ITEM_TYPE_FILE )
526 527 528
            {
                stats_TimerStart( p_playlist, "Preparse run",
                                  STATS_TIMER_PREPARSE );
529
                /* Do not preparse if it is already done (like by playing it) */
530
                if( !input_item_IsPreparsed( p_current ) )
531 532 533 534 535
                {
                    PL_UNLOCK;
                    input_Preparse( p_playlist, p_current );
                    PL_LOCK;
                }
536
                stats_TimerStop( p_playlist, STATS_TIMER_PREPARSE );
537
                PL_UNLOCK;
538
                input_item_SetPreparsed( p_current, true );
539
                var_SetInteger( p_playlist, "item-change", p_current->i_id );
540
                PL_LOCK;
541
            }
Clément Stenac's avatar
Clément Stenac committed
542
            /* If we haven't retrieved enough meta, add to secondary queue
543 544 545
             * which will run the "meta fetchers".
             * This only checks for meta, not for art
             * \todo don't do this for things we won't get meta for, like vids
546
             */
547 548
            char *psz_arturl = input_item_GetArtURL( p_current );
            char *psz_name = input_item_GetName( p_current );
Rafaël Carré's avatar
Rafaël Carré committed
549
            if( p_playlist->p_fetcher->i_art_policy == ALBUM_ART_ALL &&
550
                        ( !psz_arturl || strncmp( psz_arturl, "file://", 7 ) ) )
551
            {
552
                PL_DEBUG("meta ok for %s, need to fetch art", psz_name );
553
                vlc_object_lock( p_playlist->p_fetcher );
Rafaël Carré's avatar
Rafaël Carré committed
554
                INSERT_ELEM( p_playlist->p_fetcher->pp_waiting,
555
                             p_playlist->p_fetcher->i_waiting,
Rafaël Carré's avatar
Rafaël Carré committed
556
                             p_playlist->p_fetcher->i_waiting, p_current);
557 558
                vlc_object_signal_unlocked( p_playlist->p_fetcher );
                vlc_object_unlock( p_playlist->p_fetcher );
Clément Stenac's avatar
Clément Stenac committed
559
            }
560
            else
561 562
            {
                PL_DEBUG( "no fetch required for %s (art currently %s)",
563
                          psz_name, psz_arturl );
Clément Stenac's avatar
Clément Stenac committed
564
                vlc_gc_decref( p_current );
565
            }
566 567
            free( psz_name );
            free( psz_arturl );
568
            PL_UNLOCK;
569 570
        }
        else
571 572
            PL_UNLOCK;

573
        vlc_object_lock( p_obj );
574
        i_activity = var_GetInteger( p_playlist, "activity" );
575
        if( i_activity < 0 ) i_activity = 0;
576
        vlc_object_unlock( p_obj );
577
        /* Sleep at least 1ms */
578
        msleep( (i_activity+1) * 1000 );
579
        vlc_object_lock( p_obj );
580
    }
581
    vlc_object_unlock( p_obj );
582 583
}

584 585 586 587 588 589 590
/**
 * Fetcher loop
 *
 * Main loop for secondary preparser queue
 * \param p_obj items to preparse
 * \return nothing
 */
591
void playlist_FetcherLoop( playlist_fetcher_t *p_obj )
592 593
{
    playlist_t *p_playlist = (playlist_t *)p_obj->p_parent;
594 595
    input_item_t *p_item;
    int i_activity;
596

597
    vlc_object_lock( p_obj );
598 599

    while( vlc_object_alive( p_obj ) )
600
    {
601
        if( p_obj->i_waiting == 0 )
602
        {
603 604
            vlc_object_wait( p_obj );
            continue;
605 606
        }

Rafaël Carré's avatar
Rafaël Carré committed
607 608
        p_item = p_obj->pp_waiting[0];
        REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 );
609
        vlc_object_unlock( p_obj );
610
        if( p_item )
611
        {
Rafaël Carré's avatar
Rafaël Carré committed
612 613 614 615 616 617
            int i_ret;

            /* Check if it is not yet preparsed and if so wait for it (at most 0.5s)
             * (This can happen if we fetch art on play)
             * FIXME this doesn't work if we need to fetch meta before art ... */
            for( i_ret = 0; i_ret < 10 && !input_item_IsPreparsed( p_item ); i_ret++ )
Clément Stenac's avatar
Clément Stenac committed
618
            {
Rafaël Carré's avatar
Rafaël Carré committed
619 620 621 622 623 624 625 626 627
                bool b_break;
                PL_LOCK;
                b_break = ( !p_playlist->p_input || input_GetItem(p_playlist->p_input) != p_item  ||
                            p_playlist->p_input->b_die || p_playlist->p_input->b_eof || p_playlist->p_input->b_error );
                PL_UNLOCK;
                if( b_break )
                    break;
                msleep( 50000 );
            }
628

Rafaël Carré's avatar
Rafaël Carré committed
629 630 631 632 633 634 635 636 637 638
            i_ret = input_ArtFind( p_playlist, p_item );
            if( i_ret == 1 )
            {
                PL_DEBUG( "downloading art for %s", p_item->psz_name );
                if( input_DownloadAndCacheArt( p_playlist, p_item ) )
                    input_item_SetArtNotFound( p_item, true );
                else {
                    input_item_SetArtFetched( p_item, true );
                    var_SetInteger( p_playlist, "item-change",
                                    p_item->i_id );
639
                }
Rafaël Carré's avatar
Rafaël Carré committed
640 641 642 643 644 645
            }
            else if( i_ret == 0 ) /* Was in cache */
            {
                PL_DEBUG( "found art for %s in cache", p_item->psz_name );
                input_item_SetArtFetched( p_item, true );
                var_SetInteger( p_playlist, "item-change", p_item->i_id );
Clément Stenac's avatar
Clément Stenac committed
646 647
            }
            else
648
            {
Rafaël Carré's avatar
Rafaël Carré committed
649 650 651 652
                PL_DEBUG( "art not found for %s", p_item->psz_name );
                input_item_SetArtNotFound( p_item, true );
            }
            vlc_gc_decref( p_item );
653
        }
654
        vlc_object_lock( p_obj );
655 656
        i_activity = var_GetInteger( p_playlist, "activity" );
        if( i_activity < 0 ) i_activity = 0;
657
        vlc_object_unlock( p_obj );
658 659
        /* Sleep at least 1ms */
        msleep( (i_activity+1) * 1000 );
660
        vlc_object_lock( p_obj );
661
    }
662
    vlc_object_unlock( p_obj );
663 664
}

665 666 667 668 669
static void VariablesInit( playlist_t *p_playlist )
{
    vlc_value_t val;
    /* These variables control updates */
    var_Create( p_playlist, "intf-change", VLC_VAR_BOOL );
670
    val.b_bool = true;
671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693
    var_Set( p_playlist, "intf-change", val );

    var_Create( p_playlist, "item-change", VLC_VAR_INTEGER );
    val.i_int = -1;
    var_Set( p_playlist, "item-change", val );

    var_Create( p_playlist, "item-deleted", VLC_VAR_INTEGER );
    val.i_int = -1;
    var_Set( p_playlist, "item-deleted", val );

    var_Create( p_playlist, "item-append", VLC_VAR_ADDRESS );

    var_Create( p_playlist, "playlist-current", VLC_VAR_INTEGER );
    val.i_int = -1;
    var_Set( p_playlist, "playlist-current", val );

    var_Create( p_playlist, "intf-popupmenu", VLC_VAR_BOOL );

    var_Create( p_playlist, "activity", VLC_VAR_INTEGER );
    var_SetInteger( p_playlist, "activity", 0 );

    /* Variables to control playback */
    var_CreateGetBool( p_playlist, "play-and-stop" );
694
    var_CreateGetBool( p_playlist, "play-and-exit" );
695 696 697
    var_CreateGetBool( p_playlist, "random" );
    var_CreateGetBool( p_playlist, "repeat" );
    var_CreateGetBool( p_playlist, "loop" );
Clément Stenac's avatar
Clément Stenac committed
698 699

    var_AddCallback( p_playlist, "random", RandomCallback, NULL );
700
}