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