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_item_t *p_parent_playlist_item = user_data;
  44     playlist_t * p_playlist = p_parent_playlist_item->p_playlist;
  45     input_item_t * p_parent, * p_child;
  46     playlist_item_t * p_child_in_category;
  47     playlist_item_t * p_item_in_category;
  48     vlc_bool_t b_play;
  49
  50     p_parent = p_event->p_obj;
  51     p_child = p_event->u.input_item_subitem_added.p_new_child;
  52
  53     PL_LOCK;
  54     b_play = var_CreateGetBool( p_playlist, "playlist-autostart" );
  55
  56     /* This part is really hakish, but this playlist system isn't simple */
  57     /* First check if we haven't already added the item as we are
  58      * listening using the onelevel and the category representent
  59      * (Because of the playlist design) */
  60     p_child_in_category = playlist_ItemFindFromInputAndRoot(
  61                             p_playlist, p_child->i_id,
  62                             p_playlist->p_root_category,
  63                             VLC_FALSE /* Only non-node */ );
  64
  65     if( !p_child_in_category )
  66     {
  67         b_play = b_play && p_item_in_category == p_playlist->status.p_item;
  68
  69         /* Then, transform to a node if needed */
  70         p_item_in_category = playlist_ItemFindFromInputAndRoot(
  71                                 p_playlist, p_parent->i_id,
  72                                 p_playlist->p_root_category,
  73                                 VLC_FALSE /* Only non-node */ );
  74         if( !p_item_in_category )
  75         {
  76             /* Item may have been removed */
  77             PL_UNLOCK;
  78             return
  79         }
  80
  81         /* If this item is already a node don't transform it */
  82         if( p_item_in_category->i_children == -1 )
  83         {
  84             p_item_in_category = playlist_ItemToNode( p_playlist,
  85                     p_item_in_category, VLC_TRUE );
  86         }
  87
  88         playlist_BothAddInput( p_playlist, p_child, p_item_in_category,
  89                 PLAYLIST_APPEND | PLAYLIST_SPREPARSE , PLAYLIST_END,
  90                 NULL, NULL,  VLC_TRUE );
  91
  92         if( b_play )
  93         {
  94             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
  95                           VLC_TRUE, p_item_in_category, NULL );
  96         }
  97     }
  98
  99     PL_UNLOCK;
 100
 101 }
 102
 103 /*****************************************************************************
 104  * Listen to vlc_InputItemAddSubItem event
 105  *****************************************************************************/
 106 static void install_input_item_observer( playlist_item_t * p_item,
 107                                          input_item_t * p_input )
 108 {
 109     vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemAdded,
 110                       input_item_subitem_added,
 111                       p_item );
 112 }
 113
 114 static void uninstall_input_item_observer( playlist_item_t * p_item,
 115                                            input_item_t * p_input )
 116 {
 117     vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemAdded,
 118                       input_item_subitem_added,
 119                       p_item );
 120
 121 }
 122
 123 /*****************************************************************************
 124  * Playlist item creation
 125  *****************************************************************************/
 126 playlist_item_t * playlist_ItemNewWithType( vlc_object_t *p_obj,
 127                                             const char *psz_uri,
 128                                             const char *psz_name,
 129                                             int i_options,
 130                                             const char *const *ppsz_options,
 131                                             int i_duration, int i_type )
 132 {
 133     input_item_t *p_input;
 134     if( psz_uri == NULL ) return NULL;
 135     p_input = input_ItemNewWithType( p_obj, psz_uri,
 136                                      psz_name, i_options, ppsz_options,
 137                                      i_duration, i_type );
 138     return playlist_ItemNewFromInput( p_obj, p_input );
 139 }
 140
 141 playlist_item_t *__playlist_ItemNewFromInput( vlc_object_t *p_obj,
 142                                               input_item_t *p_input )
 143 {
 144     DECMALLOC_NULL( p_item, playlist_item_t );
 145     playlist_t *p_playlist = pl_Yield( p_obj );
 146
 147     p_item->p_input = p_input;
 148     vlc_gc_incref( p_item->p_input );
 149
 150     p_item->i_id = ++p_playlist->i_last_playlist_id;
 151
 152     p_item->p_parent = NULL;
 153     p_item->i_children = -1;
 154     p_item->pp_children = NULL;
 155     p_item->i_flags = 0;
 156     p_item->p_playlist = p_playlist;
 157
 158     install_input_item_observer( p_item, p_input );
 159
 160     pl_Release( p_item->p_playlist );
 161
 162     return p_item;
 163 }
 164
 165 /***************************************************************************
 166  * Playlist item destruction
 167  ***************************************************************************/
 168
 169 /** Delete a playlist item and detach its input item */
 170 int playlist_ItemDelete( playlist_item_t *p_item )
 171 {
 172     uninstall_input_item_observer( p_item->p_playlist, p_item->p_input );
 173
 174     vlc_gc_decref( p_item->p_input );
 175     free( p_item );
 176     return VLC_SUCCESS;
 177 }
 178
 179 /** Remove an input item when it appears from a root playlist item */
 180 static int DeleteFromInput( playlist_t *p_playlist, int i_input_id,
 181                             playlist_item_t *p_root, vlc_bool_t b_do_stop )
 182 {
 183     int i;
 184     for( i = 0 ; i< p_root->i_children ; i++ )
 185     {
 186         if( p_root->pp_children[i]->i_children == -1 &&
 187             p_root->pp_children[i]->p_input->i_id == i_input_id )
 188         {
 189             DeleteInner( p_playlist, p_root->pp_children[i], b_do_stop );
 190             return VLC_SUCCESS;
 191         }
 192         else if( p_root->pp_children[i]->i_children >= 0 )
 193         {
 194             int i_ret = DeleteFromInput( p_playlist, i_input_id,
 195                                          p_root->pp_children[i], b_do_stop );
 196             if( i_ret == VLC_SUCCESS ) return VLC_SUCCESS;
 197         }
 198     }
 199     return VLC_EGENERIC;
 200 }
 201
 202 /** Remove an input item when it appears from a root playlist item */
 203 int playlist_DeleteInputInParent( playlist_t *p_playlist, int i_input_id,
 204                                   playlist_item_t *p_root, vlc_bool_t b_locked )
 205 {
 206     int i_ret;
 207     if( !b_locked ) PL_LOCK;
 208     i_ret = DeleteFromInput( p_playlist, i_input_id,
 209                              p_root, VLC_TRUE );
 210     if( !b_locked ) PL_UNLOCK;
 211     return i_ret;
 212 }
 213
 214 /** Remove an input item from ONELEVEL and CATEGORY */
 215 int playlist_DeleteFromInput( playlist_t *p_playlist, int i_input_id,
 216                               vlc_bool_t b_locked )
 217 {
 218     int i_ret1, i_ret2;
 219     if( !b_locked ) PL_LOCK;
 220     i_ret1 = DeleteFromInput( p_playlist, i_input_id,
 221                              p_playlist->p_root_category, VLC_TRUE );
 222     i_ret2 = DeleteFromInput( p_playlist, i_input_id,
 223                      p_playlist->p_root_onelevel, VLC_TRUE );
 224     if( !b_locked ) PL_UNLOCK;
 225     return ( i_ret1 == VLC_SUCCESS || i_ret2 == VLC_SUCCESS ) ?
 226                             VLC_SUCCESS : VLC_ENOITEM;
 227 }
 228
 229 void playlist_Clear( playlist_t * p_playlist, vlc_bool_t b_locked )
 230 {
 231     if( !b_locked ) PL_LOCK;
 232     playlist_NodeEmpty( p_playlist, p_playlist->p_root_category, VLC_TRUE );
 233     playlist_NodeEmpty( p_playlist, p_playlist->p_root_onelevel, VLC_TRUE );
 234     if( !b_locked ) PL_UNLOCK;
 235 }
 236
 237 /** Remove a playlist item from the playlist, given its id
 238  * This function is to be used only by the playlist */
 239 int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
 240 {
 241     playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id,
 242                                                     VLC_TRUE );
 243     if( !p_item ) return VLC_EGENERIC;
 244     return DeleteInner( p_playlist, p_item, VLC_TRUE );
 245 }
 246
 247 /***************************************************************************
 248  * Playlist item addition
 249  ***************************************************************************/
 250 /** Add an item to the playlist or the media library
 251  * \param p_playlist the playlist to add into
 252  * \param psz_uri the mrl to add to the playlist
 253  * \param psz_name a text giving a name or description of this item
 254  * \param i_mode the mode used when adding
 255  * \param i_pos the position in the playlist where to add. If this is
 256  *        PLAYLIST_END the item will be added at the end of the playlist
 257  *        regardless of its size
 258  * \param b_playlist TRUE for playlist, FALSE for media library
 259  * \return The id of the playlist item
 260  */
 261 int playlist_Add( playlist_t *p_playlist, const char *psz_uri,
 262                   const char *psz_name, int i_mode, int i_pos,
 263                   vlc_bool_t b_playlist, vlc_bool_t b_locked )
 264 {
 265     return playlist_AddExt( p_playlist, psz_uri, psz_name,
 266                             i_mode, i_pos, -1, NULL, 0, b_playlist, b_locked );
 267 }
 268
 269 /**
 270  * Add a MRL into the playlist or the media library, duration and options given
 271  *
 272  * \param p_playlist the playlist to add into
 273  * \param psz_uri the mrl to add to the playlist
 274  * \param psz_name a text giving a name or description of this item
 275  * \param i_mode the mode used when adding
 276  * \param i_pos the position in the playlist where to add. If this is
 277  *        PLAYLIST_END the item will be added at the end of the playlist
 278  *        regardless of its size
 279  * \param i_duration length of the item in milliseconds.
 280  * \param ppsz_options an array of options
 281  * \param i_options the number of options
 282  * \param b_playlist TRUE for playlist, FALSE for media library
 283  * \return The id of the playlist item
 284 */
 285 int playlist_AddExt( playlist_t *p_playlist, const char * psz_uri,
 286                      const char *psz_name, int i_mode, int i_pos,
 287                      mtime_t i_duration, const char *const *ppsz_options,
 288                      int i_options, vlc_bool_t b_playlist, vlc_bool_t b_locked )
 289 {
 290     int i_ret;
 291     input_item_t *p_input = input_ItemNewExt( p_playlist, psz_uri, psz_name,
 292                                               i_options, ppsz_options,
 293                                               i_duration );
 294
 295     i_ret = playlist_AddInput( p_playlist, p_input, i_mode, i_pos, b_playlist,
 296                                b_locked );
 297     if( i_ret == VLC_SUCCESS )
 298         return p_input->i_id;
 299     return -1;
 300 }
 301
 302 /** Add an input item to the playlist node */
 303 int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
 304                        int i_mode, int i_pos, vlc_bool_t b_playlist,
 305                        vlc_bool_t b_locked )
 306 {
 307     playlist_item_t *p_item_cat, *p_item_one;
 308
 309     if( !p_playlist->b_doing_ml )
 310         PL_DEBUG( "adding item `%s' ( %s )", p_input->psz_name,
 311                                              p_input->psz_uri );
 312
 313     if( !b_locked ) PL_LOCK;
 314
 315     /* Add to ONELEVEL */
 316     p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
 317     if( p_item_one == NULL ) return VLC_ENOMEM;
 318     AddItem( p_playlist, p_item_one,
 319              b_playlist ? p_playlist->p_local_onelevel :
 320                           p_playlist->p_ml_onelevel , i_mode, i_pos );
 321
 322     /* Add to CATEGORY */
 323     p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
 324     if( p_item_cat == NULL ) return VLC_ENOMEM;
 325     AddItem( p_playlist, p_item_cat,
 326              b_playlist ? p_playlist->p_local_category :
 327                           p_playlist->p_ml_category , i_mode, i_pos );
 328
 329     GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
 330
 331     if( !b_locked ) PL_UNLOCK;
 332     return VLC_SUCCESS;
 333 }
 334
 335 /** Add an input item to p_direct_parent in the category tree, and to the
 336  *  matching top category in onelevel **/
 337 int playlist_BothAddInput( playlist_t *p_playlist,
 338                            input_item_t *p_input,
 339                            playlist_item_t *p_direct_parent,
 340                            int i_mode, int i_pos,
 341                            int *i_cat, int *i_one, vlc_bool_t b_locked )
 342 {
 343     playlist_item_t *p_item_cat, *p_item_one, *p_up;
 344     int i_top;
 345     assert( p_input );
 346     if( !b_locked ) PL_LOCK;
 347
 348     /* Add to category */
 349     p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
 350     if( p_item_cat == NULL ) return VLC_ENOMEM;
 351     AddItem( p_playlist, p_item_cat, p_direct_parent, i_mode, i_pos );
 352
 353     /* Add to onelevel */
 354     /** \todo make a faster case for ml import */
 355     p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
 356     if( p_item_one == NULL ) return VLC_ENOMEM;
 357
 358     p_up = p_direct_parent;
 359     while( p_up->p_parent != p_playlist->p_root_category )
 360     {
 361         p_up = p_up->p_parent;
 362     }
 363     for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
 364     {
 365         if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input->i_id ==
 366                              p_up->p_input->i_id )
 367         {
 368             AddItem( p_playlist, p_item_one,
 369                      p_playlist->p_root_onelevel->pp_children[i_top],
 370                      i_mode, i_pos );
 371             break;
 372         }
 373     }
 374     GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
 375
 376     if( i_cat ) *i_cat = p_item_cat->i_id;
 377     if( i_one ) *i_one = p_item_one->i_id;
 378
 379     if( !b_locked ) PL_UNLOCK;
 380     return VLC_SUCCESS;
 381 }
 382
 383 /** Add an input item to a given node */
 384 playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
 385                                          input_item_t *p_input,
 386                                          playlist_item_t *p_parent,
 387                                          int i_mode, int i_pos,
 388                                          vlc_bool_t b_locked )
 389 {
 390     playlist_item_t *p_item;
 391     assert( p_input );
 392     assert( p_parent && p_parent->i_children != -1 );
 393
 394     if( !b_locked ) PL_LOCK;
 395
 396     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 397     if( p_item == NULL ) return NULL;
 398     AddItem( p_playlist, p_item, p_parent, i_mode, i_pos );
 399
 400     if( !b_locked ) PL_UNLOCK;
 401
 402     return p_item;
 403 }
 404
 405 /*****************************************************************************
 406  * Playlist item misc operations
 407  *****************************************************************************/
 408
 409 /**
 410  * Transform an item to a node. Return the node in the category tree, or NULL
 411  * if not found there
 412  * This function must be entered without the playlist lock
 413  */
 414 playlist_item_t *playlist_ItemToNode( playlist_t *p_playlist,
 415                                       playlist_item_t *p_item,
 416                                       vlc_bool_t b_locked )
 417 {
 418
 419     playlist_item_t *p_item_in_category;
 420     /* What we do
 421      * Find the input in CATEGORY.
 422      *  - If we find it
 423      *    - change it to node
 424      *    - we'll return it at the end
 425      *    - If we are a direct child of onelevel root, change to node, else
 426      *      delete the input from ONELEVEL
 427      *  - If we don't find it, just change to node (we are probably in VLM)
 428      *    and return NULL
 429      *
 430      * If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
 431      * useful for later BothAddInput )
 432      */
 433
 434     if( !b_locked ) PL_LOCK;
 435
 436     /* Fast track the media library, no time to loose */
 437     if( p_item == p_playlist->p_ml_category ) {
 438         if( !b_locked ) PL_UNLOCK;
 439         return p_item;
 440     }
 441
 442     /** \todo First look if we don't already have it */
 443     p_item_in_category = playlist_ItemFindFromInputAndRoot(
 444                                             p_playlist, p_item->p_input->i_id,
 445                                             p_playlist->p_root_category,
 446                                             VLC_TRUE );
 447
 448     if( p_item_in_category )
 449     {
 450         playlist_item_t *p_item_in_one = playlist_ItemFindFromInputAndRoot(
 451                                             p_playlist, p_item->p_input->i_id,
 452                                             p_playlist->p_root_onelevel,
 453                                             VLC_TRUE );
 454         assert( p_item_in_one );
 455
 456         /* We already have it, and there is nothing more to do */
 457         ChangeToNode( p_playlist, p_item_in_category );
 458
 459         /* Item in one is a root, change it to node */
 460         if( p_item_in_one->p_parent == p_playlist->p_root_onelevel )
 461             ChangeToNode( p_playlist, p_item_in_one );
 462         else
 463         {
 464             DeleteFromInput( p_playlist, p_item_in_one->p_input->i_id,
 465                              p_playlist->p_root_onelevel, VLC_FALSE );
 466         }
 467         p_playlist->b_reset_currently_playing = VLC_TRUE;
 468         vlc_cond_signal( &p_playlist->object_wait );
 469         var_SetInteger( p_playlist, "item-change", p_item_in_category->
 470                                                         p_input->i_id );
 471         if( !b_locked ) PL_UNLOCK;
 472         return p_item_in_category;
 473     }
 474     else
 475     {
 476         ChangeToNode( p_playlist, p_item );
 477         if( !b_locked ) PL_UNLOCK;
 478         return NULL;
 479     }
 480 }
 481
 482 /** Find an item within a root, given its input id.
 483  * \return the first found item, or NULL if not found
 484  */
 485 playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
 486                                                     int i_input_id,
 487                                                     playlist_item_t *p_root,
 488                                                     vlc_bool_t b_items_only )
 489 {
 490     int i;
 491     for( i = 0 ; i< p_root->i_children ; i++ )
 492     {
 493         if( ( b_items_only ? p_root->pp_children[i]->i_children == -1 : 1 ) &&
 494             p_root->pp_children[i]->p_input->i_id == i_input_id )
 495         {
 496             return p_root->pp_children[i];
 497         }
 498         else if( p_root->pp_children[i]->i_children >= 0 )
 499         {
 500             playlist_item_t *p_search =
 501                  playlist_ItemFindFromInputAndRoot( p_playlist, i_input_id,
 502                                                     p_root->pp_children[i],
 503                                                     b_items_only );
 504             if( p_search ) return p_search;
 505         }
 506     }
 507     return NULL;
 508 }
 509
 510
 511 static int TreeMove( playlist_t *p_playlist, playlist_item_t *p_item,
 512                      playlist_item_t *p_node, int i_newpos )
 513 {
 514     int j;
 515     playlist_item_t *p_detach = p_item->p_parent;
 516     (void)p_playlist;
 517
 518     if( p_node->i_children == -1 ) return VLC_EGENERIC;
 519
 520     for( j = 0; j < p_detach->i_children; j++ )
 521     {
 522          if( p_detach->pp_children[j] == p_item ) break;
 523     }
 524     REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, j );
 525
 526     /* Attach to new parent */
 527     INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
 528     p_item->p_parent = p_node;
 529
 530     return VLC_SUCCESS;
 531 }
 532
 533 /**
 534  * Moves an item
 535  *
 536  * This function must be entered with the playlist lock
 537  *
 538  * \param p_playlist the playlist
 539  * \param p_item the item to move
 540  * \param p_node the new parent of the item
 541  * \param i_newpos the new position under this new parent
 542  * \return VLC_SUCCESS or an error
 543  */
 544 int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
 545                        playlist_item_t *p_node, int i_newpos )
 546 {
 547     int i_ret;
 548     /* Drop on a top level node. Move in the two trees */
 549     if( p_node->p_parent == p_playlist->p_root_category ||
 550         p_node->p_parent == p_playlist->p_root_onelevel )
 551     {
 552         /* Fixme: avoid useless lookups but we need some clean helpers */
 553         {
 554             /* Fixme: if we try to move a node on a top-level node, it will
 555              * fail because the node doesn't exist in onelevel and we will
 556              * do some shit in onelevel. We should recursively move all items
 557              * within the node */
 558             playlist_item_t *p_node_onelevel;
 559             playlist_item_t *p_item_onelevel;
 560             p_node_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
 561                                                 p_node->p_input->i_id,
 562                                                 p_playlist->p_root_onelevel,
 563                                                 VLC_FALSE );
 564             p_item_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
 565                                                 p_item->p_input->i_id,
 566                                                 p_playlist->p_root_onelevel,
 567                                                 VLC_FALSE );
 568             if( p_node_onelevel && p_item_onelevel )
 569                 TreeMove( p_playlist, p_item_onelevel, p_node_onelevel, 0 );
 570         }
 571         {
 572             playlist_item_t *p_node_category;
 573             playlist_item_t *p_item_category;
 574             p_node_category = playlist_ItemFindFromInputAndRoot( p_playlist,
 575                                                 p_node->p_input->i_id,
 576                                                 p_playlist->p_root_category,
 577                                                 VLC_FALSE );
 578             p_item_category = playlist_ItemFindFromInputAndRoot( p_playlist,
 579                                                 p_item->p_input->i_id,
 580                                                 p_playlist->p_root_category,
 581                                                 VLC_FALSE );
 582             if( p_node_category && p_item_category )
 583                 TreeMove( p_playlist, p_item_category, p_node_category, 0 );
 584         }
 585         i_ret = VLC_SUCCESS;
 586     }
 587     else
 588         i_ret = TreeMove( p_playlist, p_item, p_node, i_newpos );
 589     p_playlist->b_reset_currently_playing = VLC_TRUE;
 590     vlc_cond_signal( &p_playlist->object_wait );
 591     return i_ret;
 592 }
 593
 594 /** Send a notification that an item has been added to a node */
 595 void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
 596                              int i_node_id, vlc_bool_t b_signal )
 597 {
 598     vlc_value_t val;
 599     playlist_add_t *p_add = (playlist_add_t *)malloc(sizeof( playlist_add_t));
 600     p_add->i_item = i_item_id;
 601     p_add->i_node = i_node_id;
 602     val.p_address = p_add;
 603     p_playlist->b_reset_currently_playing = VLC_TRUE;
 604     if( b_signal )
 605         vlc_cond_signal( &p_playlist->object_wait );
 606     var_Set( p_playlist, "item-append", val );
 607     free( p_add );
 608 }
 609
 610 /*****************************************************************************
 611  * Playlist item accessors
 612  *****************************************************************************/
 613
 614 /** Set the name of a playlist item */
 615 int playlist_ItemSetName( playlist_item_t *p_item, const char *psz_name )
 616 {
 617     if( psz_name && p_item )
 618     {
 619         input_ItemSetName( p_item->p_input, psz_name );
 620         return VLC_SUCCESS;
 621     }
 622     return VLC_EGENERIC;
 623 }
 624
 625 /***************************************************************************
 626  * The following functions are local
 627  ***************************************************************************/
 628
 629 /* Enqueue an item for preparsing, and play it, if needed */
 630 static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
 631                            playlist_item_t *p_item_cat,
 632                            playlist_item_t *p_item_one )
 633 {
 634     if( (i_mode & PLAYLIST_GO ) )
 635     {
 636         playlist_item_t *p_parent = p_item_one;
 637         playlist_item_t *p_toplay = NULL;
 638         while( p_parent )
 639         {
 640             if( p_parent == p_playlist->p_root_category )
 641             {
 642                 p_toplay = p_item_cat; break;
 643             }
 644             else if( p_parent == p_playlist->p_root_onelevel )
 645             {
 646                 p_toplay = p_item_one; break;
 647             }
 648             p_parent = p_parent->p_parent;
 649         }
 650         assert( p_toplay );
 651         p_playlist->request.b_request = VLC_TRUE;
 652         p_playlist->request.i_skip = 0;
 653         p_playlist->request.p_item = p_toplay;
 654         if( p_playlist->p_input )
 655             input_StopThread( p_playlist->p_input );
 656         p_playlist->request.i_status = PLAYLIST_RUNNING;
 657         vlc_cond_signal( &p_playlist->object_wait );
 658     }
 659     /* Preparse if PREPARSE or SPREPARSE & not enough meta */
 660     if( p_playlist->b_auto_preparse &&
 661           (i_mode & PLAYLIST_PREPARSE ||
 662           ( i_mode & PLAYLIST_SPREPARSE &&
 663             ( EMPTY_STR( input_item_GetArtist( p_item_cat->p_input ) ) ||
 664             ( EMPTY_STR( input_item_GetAlbum( p_item_cat->p_input ) ) ) )
 665           ) ) )
 666         playlist_PreparseEnqueue( p_playlist, p_item_cat->p_input );
 667     /* If we already have it, signal it */
 668     else if( !EMPTY_STR( input_item_GetArtist( p_item_cat->p_input ) ) &&
 669              !EMPTY_STR( input_item_GetAlbum( p_item_cat->p_input ) ) )
 670         input_item_SetPreparsed( p_item_cat->p_input, VLC_TRUE );
 671 }
 672
 673 /* Add the playlist item to the requested node and fire a notification */
 674 static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
 675                      playlist_item_t *p_node, int i_mode, int i_pos )
 676 {
 677     ARRAY_APPEND(p_playlist->items, p_item);
 678     ARRAY_APPEND(p_playlist->all_items, p_item);
 679     p_playlist->i_enabled ++;
 680
 681     if( i_pos == PLAYLIST_END )
 682         playlist_NodeAppend( p_playlist, p_item, p_node );
 683     else
 684         playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
 685
 686     if( !p_playlist->b_doing_ml )
 687         playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id,
 688                                  !( i_mode & PLAYLIST_NO_REBUILD ) );
 689 }
 690
 691 /* Actually convert an item to a node */
 692 static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
 693 {
 694     int i;
 695     if( p_item->i_children == -1 )
 696         p_item->i_children = 0;
 697
 698     /* Remove it from the array of available items */
 699     ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_item->i_id, i );
 700     if( i != -1 )
 701         ARRAY_REMOVE( p_playlist->items, i );
 702 }
 703
 704 /* Do the actual removal */
 705 static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
 706                         vlc_bool_t b_stop )
 707 {
 708     int i;
 709     int i_id = p_item->i_id;
 710     vlc_bool_t b_delay_deletion = VLC_FALSE;
 711
 712     if( p_item->i_children > -1 )
 713     {
 714         return playlist_NodeDelete( p_playlist, p_item, VLC_TRUE, VLC_FALSE );
 715     }
 716     p_playlist->b_reset_currently_playing = VLC_TRUE;
 717     var_SetInteger( p_playlist, "item-deleted", i_id );
 718
 719     /* Remove the item from the bank */
 720     ARRAY_BSEARCH( p_playlist->all_items,->i_id, int, i_id, i );
 721     if( i != -1 )
 722         ARRAY_REMOVE( p_playlist->all_items, i );
 723
 724     /* Check if it is the current item */
 725     if( p_playlist->status.p_item == p_item )
 726     {
 727         /* Hack we don't call playlist_Control for lock reasons */
 728         if( b_stop )
 729         {
 730             p_playlist->request.i_status = PLAYLIST_STOPPED;
 731             p_playlist->request.b_request = VLC_TRUE;
 732             p_playlist->request.p_item = NULL;
 733             msg_Info( p_playlist, "stopping playback" );
 734             vlc_cond_signal( &p_playlist->object_wait );
 735         }
 736         b_delay_deletion = VLC_TRUE;
 737     }
 738
 739     PL_DEBUG( "deleting item `%s'", p_item->p_input->psz_name );
 740
 741     /* Remove the item from its parent */
 742     playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
 743
 744     if( !b_delay_deletion )
 745         playlist_ItemDelete( p_item );
 746     else
 747     {
 748         PL_DEBUG( "marking %s for further deletion", PLI_NAME( p_item ) );
 749         p_item->i_flags |= PLAYLIST_REMOVE_FLAG;
 750     }
 751
 752     return VLC_SUCCESS;
 753 }