git.sesse.net Git - vlc/blob - src/playlist/item.c

   1 /*****************************************************************************
   2  * item.c : Playlist item creation/deletion/add/removal functions
   3  *****************************************************************************
   4  * Copyright (C) 1999-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *          Clément Stenac <zorglub@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24 #include <vlc/vlc.h>
  25 #include <assert.h>
  26 #include <vlc_playlist.h>
  27 #include "playlist_internal.h"
  28
  29 static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
  30                      playlist_item_t *p_node, int i_mode, int i_pos );
  31 static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
  32                            playlist_item_t *, playlist_item_t * );
  33 static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item );
  34 static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
  35                         vlc_bool_t b_stop );
  36
  37 /*****************************************************************************
  38  * An input item has gained a subitem (Event Callback)
  39  *****************************************************************************/
  40 static void input_item_subitem_added( const vlc_event_t * p_event,
  41                                       void * user_data )
  42 {
  43     playlist_t * p_playlist = user_data;
  44     input_item_t * p_parent, * p_child;
  45     vlc_bool_t b_play = var_CreateGetBool( p_playlist, "playlist-autostart" );
  46     playlist_item_t *p_item_in_category;
  47     playlist_item_t *p_current;
  48
  49     p_parent = p_event->p_obj;
  50     p_child = p_event->u.input_item_subitem_added.p_new_child;
  51
  52     p_current = playlist_ItemGetByInput( p_playlist, p_parent, VLC_FALSE );
  53     p_item_in_category = playlist_ItemToNode( p_playlist, p_current,
  54                                               VLC_FALSE );
  55     if(!p_item_in_category)
  56         p_item_in_category = p_current;
  57
  58     b_play = b_play && p_current == p_playlist->status.p_item;
  59
  60     playlist_NodeAddInput( p_playlist, p_child, p_item_in_category,
  61         PLAYLIST_APPEND | PLAYLIST_SPREPARSE , PLAYLIST_END,
  62         VLC_FALSE );
  63
  64     if( b_play )
  65     {
  66         playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
  67                           VLC_TRUE, p_item_in_category, NULL );
  68         vlc_object_release( p_playlist );
  69     }
  70 }
  71
  72 /*****************************************************************************
  73  * Listen to vlc_InputItemAddSubItem event
  74  *****************************************************************************/
  75 static void install_input_item_observer( playlist_t * p_playlist,
  76                                          input_item_t * p_input )
  77 {
  78     msg_Dbg( p_playlist, "Listening to %s with %p", p_input->psz_name, p_playlist);
  79
  80     vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemAdded,
  81                       input_item_subitem_added,
  82                       p_playlist );
  83 }
  84
  85 static void uninstall_input_item_observer( playlist_t * p_playlist,
  86                                            input_item_t * p_input )
  87 {
  88     msg_Dbg( p_playlist, "Not Listening to %s with %p", p_input->psz_name, p_playlist);
  89
  90     vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemAdded,
  91                       input_item_subitem_added,
  92                       p_playlist );
  93
  94 }
  95
  96 /*****************************************************************************
  97  * Playlist item creation
  98  *****************************************************************************/
  99 playlist_item_t * playlist_ItemNewWithType( vlc_object_t *p_obj,
 100                                             const char *psz_uri,
 101                                             const char *psz_name,
 102                                             int i_options,
 103                                             const char *const *ppsz_options,
 104                                             int i_duration, int i_type )
 105 {
 106     input_item_t *p_input;
 107     if( psz_uri == NULL ) return NULL;
 108     p_input = input_ItemNewWithType( p_obj, psz_uri,
 109                                      psz_name, i_options, ppsz_options,
 110                                      i_duration, i_type );
 111     return playlist_ItemNewFromInput( p_obj, p_input );
 112 }
 113
 114 playlist_item_t *__playlist_ItemNewFromInput( vlc_object_t *p_obj,
 115                                               input_item_t *p_input )
 116 {
 117     DECMALLOC_NULL( p_item, playlist_item_t );
 118     playlist_t *p_playlist = pl_Yield( p_obj );
 119
 120     p_item->p_input = p_input;
 121     vlc_gc_incref( p_item->p_input );
 122
 123     p_item->i_id = ++p_playlist->i_last_playlist_id;
 124
 125     p_item->p_parent = NULL;
 126     p_item->i_children = -1;
 127     p_item->pp_children = NULL;
 128     p_item->i_flags = 0;
 129     p_item->p_playlist = p_playlist;
 130
 131     install_input_item_observer( p_playlist, p_input );
 132
 133     pl_Release( p_item->p_playlist );
 134
 135     return p_item;
 136 }
 137
 138 /***************************************************************************
 139  * Playlist item destruction
 140  ***************************************************************************/
 141
 142 /** Delete a playlist item and detach its input item */
 143 int playlist_ItemDelete( playlist_item_t *p_item )
 144 {
 145     uninstall_input_item_observer( p_item->p_playlist, p_item->p_input );
 146
 147     vlc_gc_decref( p_item->p_input );
 148     free( p_item );
 149     return VLC_SUCCESS;
 150 }
 151
 152 /** Remove an input item when it appears from a root playlist item */
 153 static int DeleteFromInput( playlist_t *p_playlist, int i_input_id,
 154                             playlist_item_t *p_root, vlc_bool_t b_do_stop )
 155 {
 156     int i;
 157     for( i = 0 ; i< p_root->i_children ; i++ )
 158     {
 159         if( p_root->pp_children[i]->i_children == -1 &&
 160             p_root->pp_children[i]->p_input->i_id == i_input_id )
 161         {
 162             DeleteInner( p_playlist, p_root->pp_children[i], b_do_stop );
 163             return VLC_SUCCESS;
 164         }
 165         else if( p_root->pp_children[i]->i_children >= 0 )
 166         {
 167             int i_ret = DeleteFromInput( p_playlist, i_input_id,
 168                                          p_root->pp_children[i], b_do_stop );
 169             if( i_ret == VLC_SUCCESS ) return VLC_SUCCESS;
 170         }
 171     }
 172     return VLC_EGENERIC;
 173 }
 174
 175 /** Remove an input item when it appears from a root playlist item */
 176 int playlist_DeleteInputInParent( playlist_t *p_playlist, int i_input_id,
 177                                   playlist_item_t *p_root, vlc_bool_t b_locked )
 178 {
 179     int i_ret;
 180     if( !b_locked ) PL_LOCK;
 181     i_ret = DeleteFromInput( p_playlist, i_input_id,
 182                              p_root, VLC_TRUE );
 183     if( !b_locked ) PL_UNLOCK;
 184     return i_ret;
 185 }
 186
 187 /** Remove an input item from ONELEVEL and CATEGORY */
 188 int playlist_DeleteFromInput( playlist_t *p_playlist, int i_input_id,
 189                               vlc_bool_t b_locked )
 190 {
 191     int i_ret1, i_ret2;
 192     if( !b_locked ) PL_LOCK;
 193     i_ret1 = DeleteFromInput( p_playlist, i_input_id,
 194                              p_playlist->p_root_category, VLC_TRUE );
 195     i_ret2 = DeleteFromInput( p_playlist, i_input_id,
 196                      p_playlist->p_root_onelevel, VLC_TRUE );
 197     if( !b_locked ) PL_UNLOCK;
 198     return ( i_ret1 == VLC_SUCCESS || i_ret2 == VLC_SUCCESS ) ?
 199                             VLC_SUCCESS : VLC_ENOITEM;
 200 }
 201
 202 void playlist_Clear( playlist_t * p_playlist, vlc_bool_t b_locked )
 203 {
 204     if( !b_locked ) PL_LOCK;
 205     playlist_NodeEmpty( p_playlist, p_playlist->p_root_category, VLC_TRUE );
 206     playlist_NodeEmpty( p_playlist, p_playlist->p_root_onelevel, VLC_TRUE );
 207     if( !b_locked ) PL_UNLOCK;
 208 }
 209
 210 /** Remove a playlist item from the playlist, given its id
 211  * This function is to be used only by the playlist */
 212 int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
 213 {
 214     playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id,
 215                                                     VLC_TRUE );
 216     if( !p_item ) return VLC_EGENERIC;
 217     return DeleteInner( p_playlist, p_item, VLC_TRUE );
 218 }
 219
 220 /***************************************************************************
 221  * Playlist item addition
 222  ***************************************************************************/
 223 /** Add an item to the playlist or the media library
 224  * \param p_playlist the playlist to add into
 225  * \param psz_uri the mrl to add to the playlist
 226  * \param psz_name a text giving a name or description of this item
 227  * \param i_mode the mode used when adding
 228  * \param i_pos the position in the playlist where to add. If this is
 229  *        PLAYLIST_END the item will be added at the end of the playlist
 230  *        regardless of its size
 231  * \param b_playlist TRUE for playlist, FALSE for media library
 232  * \return The id of the playlist item
 233  */
 234 int playlist_Add( playlist_t *p_playlist, const char *psz_uri,
 235                   const char *psz_name, int i_mode, int i_pos,
 236                   vlc_bool_t b_playlist, vlc_bool_t b_locked )
 237 {
 238     return playlist_AddExt( p_playlist, psz_uri, psz_name,
 239                             i_mode, i_pos, -1, NULL, 0, b_playlist, b_locked );
 240 }
 241
 242 /**
 243  * Add a MRL into the playlist or the media library, duration and options given
 244  *
 245  * \param p_playlist the playlist to add into
 246  * \param psz_uri the mrl to add to the playlist
 247  * \param psz_name a text giving a name or description of this item
 248  * \param i_mode the mode used when adding
 249  * \param i_pos the position in the playlist where to add. If this is
 250  *        PLAYLIST_END the item will be added at the end of the playlist
 251  *        regardless of its size
 252  * \param i_duration length of the item in milliseconds.
 253  * \param ppsz_options an array of options
 254  * \param i_options the number of options
 255  * \param b_playlist TRUE for playlist, FALSE for media library
 256  * \return The id of the playlist item
 257 */
 258 int playlist_AddExt( playlist_t *p_playlist, const char * psz_uri,
 259                      const char *psz_name, int i_mode, int i_pos,
 260                      mtime_t i_duration, const char *const *ppsz_options,
 261                      int i_options, vlc_bool_t b_playlist, vlc_bool_t b_locked )
 262 {
 263     int i_ret;
 264     input_item_t *p_input = input_ItemNewExt( p_playlist, psz_uri, psz_name,
 265                                               i_options, ppsz_options,
 266                                               i_duration );
 267
 268     i_ret = playlist_AddInput( p_playlist, p_input, i_mode, i_pos, b_playlist,
 269                                b_locked );
 270     if( i_ret == VLC_SUCCESS )
 271         return p_input->i_id;
 272     return -1;
 273 }
 274
 275 /** Add an input item to the playlist node */
 276 int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
 277                        int i_mode, int i_pos, vlc_bool_t b_playlist,
 278                        vlc_bool_t b_locked )
 279 {
 280     playlist_item_t *p_item_cat, *p_item_one;
 281
 282     if( !p_playlist->b_doing_ml )
 283         PL_DEBUG( "adding item `%s' ( %s )", p_input->psz_name,
 284                                              p_input->psz_uri );
 285
 286     if( !b_locked ) PL_LOCK;
 287
 288     /* Add to ONELEVEL */
 289     p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
 290     if( p_item_one == NULL ) return VLC_ENOMEM;
 291     AddItem( p_playlist, p_item_one,
 292              b_playlist ? p_playlist->p_local_onelevel :
 293                           p_playlist->p_ml_onelevel , i_mode, i_pos );
 294
 295     /* Add to CATEGORY */
 296     p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
 297     if( p_item_cat == NULL ) return VLC_ENOMEM;
 298     AddItem( p_playlist, p_item_cat,
 299              b_playlist ? p_playlist->p_local_category :
 300                           p_playlist->p_ml_category , i_mode, i_pos );
 301
 302     GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
 303
 304     if( !b_locked ) PL_UNLOCK;
 305     return VLC_SUCCESS;
 306 }
 307
 308 /** Add an input item to p_direct_parent in the category tree, and to the
 309  *  matching top category in onelevel **/
 310 int playlist_BothAddInput( playlist_t *p_playlist,
 311                            input_item_t *p_input,
 312                            playlist_item_t *p_direct_parent,
 313                            int i_mode, int i_pos,
 314                            int *i_cat, int *i_one, vlc_bool_t b_locked )
 315 {
 316     playlist_item_t *p_item_cat, *p_item_one, *p_up;
 317     int i_top;
 318     assert( p_input );
 319     if( !b_locked ) PL_LOCK;
 320
 321     /* Add to category */
 322     p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
 323     if( p_item_cat == NULL ) return VLC_ENOMEM;
 324     AddItem( p_playlist, p_item_cat, p_direct_parent, i_mode, i_pos );
 325
 326     /* Add to onelevel */
 327     /** \todo make a faster case for ml import */
 328     p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
 329     if( p_item_one == NULL ) return VLC_ENOMEM;
 330
 331     p_up = p_direct_parent;
 332     while( p_up->p_parent != p_playlist->p_root_category )
 333     {
 334         p_up = p_up->p_parent;
 335     }
 336     for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
 337     {
 338         if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input->i_id ==
 339                              p_up->p_input->i_id )
 340         {
 341             AddItem( p_playlist, p_item_one,
 342                      p_playlist->p_root_onelevel->pp_children[i_top],
 343                      i_mode, i_pos );
 344             break;
 345         }
 346     }
 347     GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
 348
 349     if( i_cat ) *i_cat = p_item_cat->i_id;
 350     if( i_one ) *i_one = p_item_one->i_id;
 351
 352     if( !b_locked ) PL_UNLOCK;
 353     return VLC_SUCCESS;
 354 }
 355
 356 /** Add an input item to a given node */
 357 playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
 358                                          input_item_t *p_input,
 359                                          playlist_item_t *p_parent,
 360                                          int i_mode, int i_pos,
 361                                          vlc_bool_t b_locked )
 362 {
 363     playlist_item_t *p_item;
 364     assert( p_input );
 365     assert( p_parent && p_parent->i_children != -1 );
 366
 367     if( !b_locked ) PL_LOCK;
 368
 369     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 370     if( p_item == NULL ) return NULL;
 371     AddItem( p_playlist, p_item, p_parent, i_mode, i_pos );
 372
 373     if( !b_locked ) PL_UNLOCK;
 374
 375     return p_item;
 376 }
 377
 378 /*****************************************************************************
 379  * Playlist item misc operations
 380  *****************************************************************************/
 381
 382 /**
 383  * Transform an item to a node. Return the node in the category tree, or NULL
 384  * if not found there
 385  * This function must be entered without the playlist lock
 386  */
 387 playlist_item_t *playlist_ItemToNode( playlist_t *p_playlist,
 388                                       playlist_item_t *p_item,
 389                                       vlc_bool_t b_locked )
 390 {
 391
 392     playlist_item_t *p_item_in_category;
 393     /* What we do
 394      * Find the input in CATEGORY.
 395      *  - If we find it
 396      *    - change it to node
 397      *    - we'll return it at the end
 398      *    - If we are a direct child of onelevel root, change to node, else
 399      *      delete the input from ONELEVEL
 400      *  - If we don't find it, just change to node (we are probably in VLM)
 401      *    and return NULL
 402      *
 403      * If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
 404      * useful for later BothAddInput )
 405      */
 406
 407     if( !b_locked ) PL_LOCK;
 408
 409     /* Fast track the media library, no time to loose */
 410     if( p_item == p_playlist->p_ml_category ) {
 411         if( !b_locked ) PL_UNLOCK;
 412         return p_item;
 413     }
 414
 415     /** \todo First look if we don't already have it */
 416     p_item_in_category = playlist_ItemFindFromInputAndRoot(
 417                                             p_playlist, p_item->p_input->i_id,
 418                                             p_playlist->p_root_category,
 419                                             VLC_TRUE );
 420
 421     if( p_item_in_category )
 422     {
 423         playlist_item_t *p_item_in_one = playlist_ItemFindFromInputAndRoot(
 424                                             p_playlist, p_item->p_input->i_id,
 425                                             p_playlist->p_root_onelevel,
 426                                             VLC_TRUE );
 427         /* We already have it, and there is nothing more to do */
 428         ChangeToNode( p_playlist, p_item_in_category );
 429
 430         if( !p_item_in_one )
 431         {
 432             if( !b_locked ) PL_UNLOCK;
 433             return p_item_in_category;
 434         }
 435
 436         /* Item in one is a root, change it to node */
 437         if( p_item_in_one->p_parent == p_playlist->p_root_onelevel )
 438             ChangeToNode( p_playlist, p_item_in_one );
 439         else
 440         {
 441             DeleteFromInput( p_playlist, p_item_in_one->p_input->i_id,
 442                              p_playlist->p_root_onelevel, VLC_FALSE );
 443         }
 444         p_playlist->b_reset_currently_playing = VLC_TRUE;
 445         vlc_cond_signal( &p_playlist->object_wait );
 446         var_SetInteger( p_playlist, "item-change", p_item_in_category->
 447                                                         p_input->i_id );
 448         if( !b_locked ) PL_UNLOCK;
 449         return p_item_in_category;
 450     }
 451     else
 452     {
 453         ChangeToNode( p_playlist, p_item );
 454         if( !b_locked ) PL_UNLOCK;
 455         return NULL;
 456     }
 457 }
 458
 459 /** Find an item within a root, given its input id.
 460  * \return the first found item, or NULL if not found
 461  */
 462 playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
 463                                                     int i_input_id,
 464                                                     playlist_item_t *p_root,
 465                                                     vlc_bool_t b_items_only )
 466 {
 467     int i;
 468     for( i = 0 ; i< p_root->i_children ; i++ )
 469     {
 470         if( ( b_items_only ? p_root->pp_children[i]->i_children == -1 : 1 ) &&
 471             p_root->pp_children[i]->p_input->i_id == i_input_id )
 472         {
 473             return p_root->pp_children[i];
 474         }
 475         else if( p_root->pp_children[i]->i_children >= 0 )
 476         {
 477             playlist_item_t *p_search =
 478                  playlist_ItemFindFromInputAndRoot( p_playlist, i_input_id,
 479                                                     p_root->pp_children[i],
 480                                                     b_items_only );
 481             if( p_search ) return p_search;
 482         }
 483     }
 484     return NULL;
 485 }
 486
 487
 488 static int TreeMove( playlist_t *p_playlist, playlist_item_t *p_item,
 489                      playlist_item_t *p_node, int i_newpos )
 490 {
 491     int j;
 492     playlist_item_t *p_detach = p_item->p_parent;
 493     (void)p_playlist;
 494
 495     if( p_node->i_children == -1 ) return VLC_EGENERIC;
 496
 497     for( j = 0; j < p_detach->i_children; j++ )
 498     {
 499          if( p_detach->pp_children[j] == p_item ) break;
 500     }
 501     REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, j );
 502
 503     /* Attach to new parent */
 504     INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
 505     p_item->p_parent = p_node;
 506
 507     return VLC_SUCCESS;
 508 }
 509
 510 /**
 511  * Moves an item
 512  *
 513  * This function must be entered with the playlist lock
 514  *
 515  * \param p_playlist the playlist
 516  * \param p_item the item to move
 517  * \param p_node the new parent of the item
 518  * \param i_newpos the new position under this new parent
 519  * \return VLC_SUCCESS or an error
 520  */
 521 int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
 522                        playlist_item_t *p_node, int i_newpos )
 523 {
 524     int i_ret;
 525     /* Drop on a top level node. Move in the two trees */
 526     if( p_node->p_parent == p_playlist->p_root_category ||
 527         p_node->p_parent == p_playlist->p_root_onelevel )
 528     {
 529         /* Fixme: avoid useless lookups but we need some clean helpers */
 530         {
 531             /* Fixme: if we try to move a node on a top-level node, it will
 532              * fail because the node doesn't exist in onelevel and we will
 533              * do some shit in onelevel. We should recursively move all items
 534              * within the node */
 535             playlist_item_t *p_node_onelevel;
 536             playlist_item_t *p_item_onelevel;
 537             p_node_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
 538                                                 p_node->p_input->i_id,
 539                                                 p_playlist->p_root_onelevel,
 540                                                 VLC_FALSE );
 541             p_item_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
 542                                                 p_item->p_input->i_id,
 543                                                 p_playlist->p_root_onelevel,
 544                                                 VLC_FALSE );
 545             if( p_node_onelevel && p_item_onelevel )
 546                 TreeMove( p_playlist, p_item_onelevel, p_node_onelevel, 0 );
 547         }
 548         {
 549             playlist_item_t *p_node_category;
 550             playlist_item_t *p_item_category;
 551             p_node_category = playlist_ItemFindFromInputAndRoot( p_playlist,
 552                                                 p_node->p_input->i_id,
 553                                                 p_playlist->p_root_category,
 554                                                 VLC_FALSE );
 555             p_item_category = playlist_ItemFindFromInputAndRoot( p_playlist,
 556                                                 p_item->p_input->i_id,
 557                                                 p_playlist->p_root_category,
 558                                                 VLC_FALSE );
 559             if( p_node_category && p_item_category )
 560                 TreeMove( p_playlist, p_item_category, p_node_category, 0 );
 561         }
 562         i_ret = VLC_SUCCESS;
 563     }
 564     else
 565         i_ret = TreeMove( p_playlist, p_item, p_node, i_newpos );
 566     p_playlist->b_reset_currently_playing = VLC_TRUE;
 567     vlc_cond_signal( &p_playlist->object_wait );
 568     return i_ret;
 569 }
 570
 571 /** Send a notification that an item has been added to a node */
 572 void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
 573                              int i_node_id, vlc_bool_t b_signal )
 574 {
 575     vlc_value_t val;
 576     playlist_add_t *p_add = (playlist_add_t *)malloc(sizeof( playlist_add_t));
 577     p_add->i_item = i_item_id;
 578     p_add->i_node = i_node_id;
 579     val.p_address = p_add;
 580     p_playlist->b_reset_currently_playing = VLC_TRUE;
 581     if( b_signal )
 582         vlc_cond_signal( &p_playlist->object_wait );
 583     var_Set( p_playlist, "item-append", val );
 584     free( p_add );
 585 }
 586
 587 /*****************************************************************************
 588  * Playlist item accessors
 589  *****************************************************************************/
 590
 591 /** Set the name of a playlist item */
 592 int playlist_ItemSetName( playlist_item_t *p_item, const char *psz_name )
 593 {
 594     if( psz_name && p_item )
 595     {
 596         input_ItemSetName( p_item->p_input, psz_name );
 597         return VLC_SUCCESS;
 598     }
 599     return VLC_EGENERIC;
 600 }
 601
 602 /***************************************************************************
 603  * The following functions are local
 604  ***************************************************************************/
 605
 606 /* Enqueue an item for preparsing, and play it, if needed */
 607 static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
 608                            playlist_item_t *p_item_cat,
 609                            playlist_item_t *p_item_one )
 610 {
 611     if( (i_mode & PLAYLIST_GO ) )
 612     {
 613         playlist_item_t *p_parent = p_item_one;
 614         playlist_item_t *p_toplay = NULL;
 615         while( p_parent )
 616         {
 617             if( p_parent == p_playlist->p_root_category )
 618             {
 619                 p_toplay = p_item_cat; break;
 620             }
 621             else if( p_parent == p_playlist->p_root_onelevel )
 622             {
 623                 p_toplay = p_item_one; break;
 624             }
 625             p_parent = p_parent->p_parent;
 626         }
 627         assert( p_toplay );
 628         p_playlist->request.b_request = VLC_TRUE;
 629         p_playlist->request.i_skip = 0;
 630         p_playlist->request.p_item = p_toplay;
 631         if( p_playlist->p_input )
 632             input_StopThread( p_playlist->p_input );
 633         p_playlist->request.i_status = PLAYLIST_RUNNING;
 634         vlc_cond_signal( &p_playlist->object_wait );
 635     }
 636     /* Preparse if PREPARSE or SPREPARSE & not enough meta */
 637     if( p_playlist->b_auto_preparse &&
 638           (i_mode & PLAYLIST_PREPARSE ||
 639           ( i_mode & PLAYLIST_SPREPARSE &&
 640             ( EMPTY_STR( input_item_GetArtist( p_item_cat->p_input ) ) ||
 641             ( EMPTY_STR( input_item_GetAlbum( p_item_cat->p_input ) ) ) )
 642           ) ) )
 643         playlist_PreparseEnqueue( p_playlist, p_item_cat->p_input );
 644     /* If we already have it, signal it */
 645     else if( !EMPTY_STR( input_item_GetArtist( p_item_cat->p_input ) ) &&
 646              !EMPTY_STR( input_item_GetAlbum( p_item_cat->p_input ) ) )
 647         input_item_SetPreparsed( p_item_cat->p_input, VLC_TRUE );
 648 }
 649
 650 /* Add the playlist item to the requested node and fire a notification */
 651 static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
 652                      playlist_item_t *p_node, int i_mode, int i_pos )
 653 {
 654     ARRAY_APPEND(p_playlist->items, p_item);
 655     ARRAY_APPEND(p_playlist->all_items, p_item);
 656     p_playlist->i_enabled ++;
 657
 658     if( i_pos == PLAYLIST_END )
 659         playlist_NodeAppend( p_playlist, p_item, p_node );
 660     else
 661         playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
 662
 663     if( !p_playlist->b_doing_ml )
 664         playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id,
 665                                  !( i_mode & PLAYLIST_NO_REBUILD ) );
 666 }
 667
 668 /* Actually convert an item to a node */
 669 static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
 670 {
 671     int i;
 672     if( p_item->i_children == -1 )
 673         p_item->i_children = 0;
 674
 675     /* Remove it from the array of available items */
 676     ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_item->i_id, i );
 677     if( i != -1 )
 678         ARRAY_REMOVE( p_playlist->items, i );
 679 }
 680
 681 /* Do the actual removal */
 682 static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
 683                         vlc_bool_t b_stop )
 684 {
 685     int i;
 686     int i_id = p_item->i_id;
 687     vlc_bool_t b_delay_deletion = VLC_FALSE;
 688
 689     if( p_item->i_children > -1 )
 690     {
 691         return playlist_NodeDelete( p_playlist, p_item, VLC_TRUE, VLC_FALSE );
 692     }
 693     p_playlist->b_reset_currently_playing = VLC_TRUE;
 694     var_SetInteger( p_playlist, "item-deleted", i_id );
 695
 696     /* Remove the item from the bank */
 697     ARRAY_BSEARCH( p_playlist->all_items,->i_id, int, i_id, i );
 698     if( i != -1 )
 699         ARRAY_REMOVE( p_playlist->all_items, i );
 700
 701     /* Check if it is the current item */
 702     if( p_playlist->status.p_item == p_item )
 703     {
 704         /* Hack we don't call playlist_Control for lock reasons */
 705         if( b_stop )
 706         {
 707             p_playlist->request.i_status = PLAYLIST_STOPPED;
 708             p_playlist->request.b_request = VLC_TRUE;
 709             p_playlist->request.p_item = NULL;
 710             msg_Info( p_playlist, "stopping playback" );
 711             vlc_cond_signal( &p_playlist->object_wait );
 712         }
 713         b_delay_deletion = VLC_TRUE;
 714     }
 715
 716     PL_DEBUG( "deleting item `%s'", p_item->p_input->psz_name );
 717
 718     /* Remove the item from its parent */
 719     playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
 720
 721     if( !b_delay_deletion )
 722         playlist_ItemDelete( p_item );
 723     else
 724     {
 725         PL_DEBUG( "marking %s for further deletion", PLI_NAME( p_item ) );
 726         p_item->i_flags |= PLAYLIST_REMOVE_FLAG;
 727     }
 728
 729     return VLC_SUCCESS;
 730 }