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