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) 1999-2004 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 <vlc/input.h>
  26
  27 #include "vlc_playlist.h"
  28
  29 void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
  30               playlist_item_t *p_node, int i_pos );
  31 void GoAndPreparse( playlist_t *p_playlist, int i_mode,
  32                     playlist_item_t *p_item );
  33 void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item );
  34 int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
  35                           vlc_bool_t b_stop );
  36
  37 /*****************************************************************************
  38  * Playlist item creation
  39  *****************************************************************************/
  40 /**
  41  * Create a new item, without adding it to the playlist
  42  *
  43  * \param p_obj a vlc object (anyone will do)
  44  * \param psz_uri the mrl of the item
  45  * \param psz_name a text giving a name or description of the item
  46  * \return the new item or NULL on failure
  47  */
  48 playlist_item_t * __playlist_ItemNew( vlc_object_t *p_obj,
  49                                       const char *psz_uri,
  50                                       const char *psz_name )
  51 {
  52     return playlist_ItemNewWithType( p_obj, psz_uri,
  53                                      psz_name, 0, NULL, -1,
  54                                      ITEM_TYPE_UNKNOWN );
  55 }
  56
  57 playlist_item_t * playlist_ItemNewWithType( vlc_object_t *p_obj,
  58                                             const char *psz_uri,
  59                                             const char *psz_name,
  60                                             int i_options,
  61                                             const char **ppsz_options,
  62                                             int i_duration,
  63                                             int i_type )
  64 {
  65     if( psz_uri == NULL ) return NULL;
  66     input_item_t *p_input = input_ItemNewWithType( p_obj, psz_uri,
  67                                         psz_name, i_options, ppsz_options,
  68                                         i_duration, i_type );
  69     return playlist_ItemNewFromInput( p_obj, p_input );
  70 }
  71
  72 playlist_item_t *__playlist_ItemNewFromInput( vlc_object_t *p_obj,
  73                                             input_item_t *p_input )
  74 {
  75     /** FIXME !!!!! don't find playlist each time */
  76     playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_obj, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
  77     playlist_item_t * p_item;
  78     p_item = malloc( sizeof( playlist_item_t ) );
  79     if( p_item == NULL ) return NULL;
  80
  81     p_item->p_input = p_input;
  82     vlc_gc_incref( p_item->p_input );
  83
  84     p_item->i_id = ++p_playlist->i_last_playlist_id;
  85
  86     p_item->p_parent = NULL;
  87     p_item->i_children = -1;
  88     p_item->pp_children = NULL;
  89     p_item->i_flags = 0;
  90
  91     vlc_object_release( p_playlist );
  92
  93     return p_item;
  94 }
  95
  96 /**
  97  * Copy a playlist item - FIXME: Rewrite FIXME
  98  *
  99  * Creates a new item with name, mrl and meta infor like the
 100  * source. Does not copy children for node type items.
 101  * \param p_obj any vlc object, needed for mutex init
 102  * \param p_item the item to copy
 103  * \return pointer to the new item, or NULL on error
 104  * \note function takes the lock on p_item
 105  */
 106 playlist_item_t *__playlist_ItemCopy( vlc_object_t *p_obj,
 107                                       playlist_item_t *p_item )
 108 {
 109     playlist_item_t *p_res;
 110     int i;
 111     vlc_mutex_lock( &p_item->p_input->lock );
 112
 113     p_res = malloc( sizeof( playlist_item_t ) );
 114     if( p_res == NULL )
 115     {
 116         vlc_mutex_unlock( &p_item->p_input->lock );
 117         return NULL;
 118     }
 119
 120     *p_res = *p_item;
 121     vlc_mutex_init( p_obj, &p_res->p_input->lock );
 122
 123     if( p_item->p_input->i_options )
 124         p_res->p_input->ppsz_options =
 125             malloc( p_item->p_input->i_options * sizeof(char*) );
 126     for( i = 0; i < p_item->p_input->i_options; i++ )
 127     {
 128         p_res->p_input->ppsz_options[i] = strdup( p_item->p_input->ppsz_options[i] );
 129     }
 130
 131     if( p_item->i_children != -1 )
 132     {
 133         msg_Warn( p_obj, "not copying playlist-item's children" );
 134         p_res->i_children = -1;
 135         p_res->pp_children = NULL;
 136     }
 137     p_res->p_parent = NULL;
 138
 139     if( p_item->p_input->psz_name )
 140         p_res->p_input->psz_name = strdup( p_item->p_input->psz_name );
 141     if( p_item->p_input->psz_uri )
 142         p_res->p_input->psz_uri = strdup( p_item->p_input->psz_uri );
 143
 144     if( p_item->p_input->i_es )
 145     {
 146         p_res->p_input->es =
 147             (es_format_t**)malloc( p_item->p_input->i_es * sizeof(es_format_t*));
 148         for( i = 0; i < p_item->p_input->i_es; i++ )
 149         {
 150             p_res->p_input->es[ i ] = (es_format_t*)malloc(sizeof(es_format_t*));
 151             es_format_Copy( p_res->p_input->es[ i ],
 152                          p_item->p_input->es[ i ] );
 153         }
 154     }
 155     if( p_item->p_input->i_categories )
 156     {
 157         p_res->p_input->pp_categories = NULL;
 158         p_res->p_input->i_categories = 0;
 159         for( i = 0; i < p_item->p_input->i_categories; i++ )
 160         {
 161             info_category_t *p_incat;
 162             p_incat = p_item->p_input->pp_categories[i];
 163             if( p_incat->i_infos )
 164             {
 165                 int j;
 166                 for( j = 0; j < p_incat->i_infos; j++ )
 167                 {
 168                     vlc_input_item_AddInfo( p_res->p_input, p_incat->psz_name,
 169                                             p_incat->pp_infos[j]->psz_name,
 170                                             "%s",
 171                                             p_incat->pp_infos[j]->psz_value );
 172                 }
 173             }
 174         }
 175     }
 176
 177     vlc_mutex_unlock( &p_item->p_input->lock );
 178     return p_res;
 179 }
 180
 181 /***************************************************************************
 182  * Playlist item destruction
 183  ***************************************************************************/
 184
 185 /** Delete a playlist item and detach its input item */
 186 int playlist_ItemDelete( playlist_item_t *p_item )
 187 {
 188     vlc_gc_decref( p_item->p_input );
 189     free( p_item );
 190     return VLC_SUCCESS;
 191 }
 192
 193 /** Remove an input item from ONELEVEL and CATEGORY */
 194 int playlist_DeleteAllFromInput( playlist_t *p_playlist, int i_input_id )
 195 {
 196     playlist_DeleteFromInput( p_playlist, i_input_id,
 197                               p_playlist->p_root_category, VLC_TRUE );
 198     playlist_DeleteFromInput( p_playlist, i_input_id,
 199                               p_playlist->p_root_onelevel, VLC_TRUE );
 200     return VLC_SUCCESS;
 201 }
 202
 203 /** Remove an input item from ONELEVEL and CATEGORY.
 204  * This function must be entered without the playlist lock */
 205 int playlist_LockDeleteAllFromInput( playlist_t * p_playlist, int i_id )
 206 {
 207     int i_ret;
 208     vlc_mutex_lock( &p_playlist->object_lock );
 209     i_ret = playlist_DeleteAllFromInput( p_playlist, i_id );
 210     vlc_mutex_unlock( &p_playlist->object_lock );
 211     return i_ret;
 212 }
 213
 214 /** Remove an input item when it appears from a root playlist item */
 215 int playlist_DeleteFromInput( playlist_t *p_playlist, int i_input_id,
 216                               playlist_item_t *p_root, vlc_bool_t b_do_stop )
 217 {
 218     int i;
 219     for( i = 0 ; i< p_root->i_children ; i++ )
 220     {
 221         if( p_root->pp_children[i]->i_children == -1 &&
 222             p_root->pp_children[i]->p_input->i_id == i_input_id )
 223         {
 224             DeleteInner( p_playlist, p_root->pp_children[i], b_do_stop );
 225         }
 226         else if( p_root->pp_children[i]->i_children >= 0 )
 227         {
 228             return playlist_DeleteFromInput( p_playlist, i_input_id,
 229                                         p_root->pp_children[i], b_do_stop );
 230         }
 231     }
 232     return -1;
 233 }
 234
 235 /** Remove a playlist item from the playlist, given its id */
 236 int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
 237 {
 238     playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id );
 239     if( !p_item ) return VLC_EGENERIC;
 240     return DeleteInner( p_playlist, p_item, VLC_TRUE );
 241 }
 242
 243 /** Remove a playlist item from the playlist, given its id
 244  * This function should be entered without the playlist lock */
 245 int playlist_LockDelete( playlist_t * p_playlist, int i_id )
 246 {
 247     int i_ret;
 248     vlc_mutex_lock( &p_playlist->object_lock );
 249     i_ret = playlist_DeleteFromItemId( p_playlist, i_id );
 250     vlc_mutex_unlock( &p_playlist->object_lock );
 251     return i_ret;
 252 }
 253
 254 /** Clear the playlist */
 255 void playlist_Clear( playlist_t * p_playlist )
 256 {
 257     playlist_NodeEmpty( p_playlist, p_playlist->p_root_category, VLC_TRUE );
 258     playlist_NodeEmpty( p_playlist, p_playlist->p_root_onelevel, VLC_TRUE );
 259 }
 260 /** Clear the playlist. This function must be entered without the lock */
 261 void playlist_LockClear( playlist_t *p_playlist )
 262 {
 263     vlc_mutex_lock( &p_playlist->object_lock );
 264     playlist_Clear( p_playlist );
 265     vlc_mutex_unlock( &p_playlist->object_lock );
 266 }
 267
 268 /***************************************************************************
 269  * Playlist item addition
 270  ***************************************************************************/
 271
 272 /**
 273  * Add a MRL into the playlist.
 274  *
 275  * \param p_playlist the playlist to add into
 276  * \param psz_uri the mrl to add to the playlist
 277  * \param psz_name a text giving a name or description of this item
 278  * \param i_mode the mode used when adding
 279  * \param i_pos the position in the playlist where to add. If this is
 280  *        PLAYLIST_END the item will be added at the end of the playlist
 281  *        regardless of it's size
 282  * \return The id of the playlist item
 283  */
 284 int playlist_PlaylistAdd( playlist_t *p_playlist, const char *psz_uri,
 285                           const char *psz_name, int i_mode, int i_pos )
 286 {
 287     return playlist_PlaylistAddExt( p_playlist, psz_uri, psz_name,
 288                                     i_mode, i_pos, -1, NULL, 0 );
 289 }
 290
 291 /**
 292  * Add a MRL into the playlist, duration and options given
 293  *
 294  * \param p_playlist the playlist to add into
 295  * \param psz_uri the mrl to add to the playlist
 296  * \param psz_name a text giving a name or description of this item
 297  * \param i_mode the mode used when adding
 298  * \param i_pos the position in the playlist where to add. If this is
 299  *        PLAYLIST_END the item will be added at the end of the playlist
 300  *        regardless of it's size
 301  * \param i_duration length of the item in milliseconds.
 302  * \param ppsz_options an array of options
 303  * \param i_options the number of options
 304  * \return The id of the playlist item
 305 */
 306 int playlist_PlaylistAddExt( playlist_t *p_playlist, const char * psz_uri,
 307                              const char *psz_name, int i_mode, int i_pos,
 308                              mtime_t i_duration, const char **ppsz_options,
 309                              int i_options )
 310 {
 311     input_item_t *p_input = input_ItemNewExt( p_playlist, psz_uri, psz_name,
 312                                               i_options, ppsz_options,
 313                                               i_duration );
 314
 315     return playlist_PlaylistAddInput( p_playlist, p_input, i_mode, i_pos );
 316 }
 317
 318 /** Add an input item to the playlist node */
 319 int playlist_PlaylistAddInput( playlist_t* p_playlist, input_item_t *p_input,
 320                                int i_mode, int i_pos )
 321 {
 322     playlist_item_t *p_item;
 323     p_input->i_id = ++p_playlist->i_last_input_id;
 324
 325     msg_Dbg( p_playlist, "adding playlist item `%s' ( %s )",
 326              p_input->psz_name, p_input->psz_uri );
 327
 328     vlc_mutex_lock( &p_playlist->object_lock );
 329
 330     /* Add to ONELEVEL */
 331     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 332     if( p_item == NULL ) return VLC_EGENERIC;
 333     AddItem( p_playlist, p_item,p_playlist->p_local_onelevel, i_pos );
 334
 335     /* Add to CATEGORY */
 336     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 337     if( p_item == NULL ) return VLC_EGENERIC;
 338     AddItem( p_playlist, p_item, p_playlist->p_local_category, i_pos );
 339
 340     GoAndPreparse( p_playlist, i_mode, p_item );
 341
 342     vlc_mutex_unlock( &p_playlist->object_lock );
 343     return VLC_SUCCESS;
 344 }
 345
 346 /** Add an input item to p_direct_parent in the category tree, and to the
 347  *  matching top category in onelevel **/
 348 int playlist_BothAddInput( playlist_t *p_playlist,
 349                            input_item_t *p_input,
 350                            playlist_item_t *p_direct_parent,
 351                            int i_mode, int i_pos )
 352 {
 353     playlist_item_t *p_item, *p_up;
 354     int i_top;
 355     vlc_mutex_lock( & p_playlist->object_lock );
 356
 357     /* Add to category */
 358     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 359     if( p_item == NULL ) return VLC_EGENERIC;
 360     AddItem( p_playlist, p_item, p_direct_parent, i_pos );
 361
 362     /* Add to onelevel */
 363     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 364     if( p_item == NULL ) return VLC_EGENERIC;
 365
 366     p_up = p_direct_parent;
 367     while( p_up->p_parent != p_playlist->p_root_category )
 368     {
 369         p_up = p_up->p_parent;
 370     }
 371     for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
 372     {
 373         if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input->i_id == p_up->p_input->i_id )
 374         {
 375             AddItem( p_playlist, p_item,
 376                      p_playlist->p_root_onelevel->pp_children[i_top], i_pos );
 377             break;
 378         }
 379     }
 380     GoAndPreparse( p_playlist, i_mode, p_item );
 381
 382     vlc_mutex_unlock( &p_playlist->object_lock );
 383     return VLC_SUCCESS;
 384 }
 385
 386 /**
 387  * Add an item where it should be added, when adding from a node
 388  * (ex: directory access, playlist demuxers, services discovery, ... )
 389  * \param p_playlist the playlist
 390  * \param p_input the input to add
 391  * \param p_parent the direct node
 392  * \param p_item_in_category the item within category root (as returned by playlist_ItemToNode)
 393  * \param b_forced_parent Are we forced to add only to p_parent ?
 394  */
 395 void playlist_AddWhereverNeeded( playlist_t *p_playlist, input_item_t *p_input,
 396                                  playlist_item_t *p_parent,
 397                                  playlist_item_t *p_item_in_category,
 398                                  vlc_bool_t b_forced_parent, int i_mode )
 399 {
 400     /* If we have forced a parent :
 401      *   - Just add the input to the forced parent (which should be p_parent)
 402      * Else
 403      *    - If we have item in category, add to it, and to onelevel (bothadd)
 404      *    - If we don't, just add to p_parent
 405      */
 406     if( b_forced_parent == VLC_TRUE || !p_item_in_category  )
 407     {
 408         playlist_NodeAddInput( p_playlist, p_input, p_parent, i_mode,
 409                                PLAYLIST_END );
 410     }
 411     else
 412     {
 413         playlist_BothAddInput( p_playlist, p_input, p_item_in_category,
 414                                i_mode, PLAYLIST_END );
 415     }
 416 }
 417
 418
 419 /** Add an input item to a given node */
 420 playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
 421                                          input_item_t *p_input,
 422                                          playlist_item_t *p_parent,
 423                                          int i_mode, int i_pos )
 424 {
 425     playlist_item_t *p_item;
 426
 427     /* Sanity checks */
 428     if( !p_parent || p_parent->i_children == -1 )
 429     {
 430         msg_Err( p_playlist, "invalid node" );
 431     }
 432
 433     vlc_mutex_lock( &p_playlist->object_lock );
 434
 435     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 436     if( p_item == NULL ) return NULL;
 437     AddItem( p_playlist, p_item, p_parent, i_pos );
 438
 439     vlc_mutex_unlock( &p_playlist->object_lock );
 440
 441     return p_item;
 442 }
 443
 444 /** Add a playlist item to a given node */
 445 void playlist_NodeAddItem( playlist_t *p_playlist, playlist_item_t *p_item,
 446                            playlist_item_t *p_parent, int i_mode, int i_pos )
 447 {
 448     vlc_mutex_lock( &p_playlist->object_lock );
 449     AddItem( p_playlist, p_item, p_parent, i_pos );
 450     vlc_mutex_unlock( &p_playlist->object_lock );
 451 }
 452
 453 /*****************************************************************************
 454  * Playlist item misc operations
 455  *****************************************************************************/
 456
 457 /**
 458  * Transform an item to a node. Return the node in the category tree, or NULL
 459  * if not found there
 460  * This function must be entered without the playlist lock
 461  */
 462 playlist_item_t *playlist_ItemToNode( playlist_t *p_playlist,
 463                                       playlist_item_t *p_item )
 464 {
 465     /* What we do
 466      * Find the input in CATEGORY.
 467      *  - If we find it
 468      *    - change it to node
 469      *    - we'll return it at the end
 470      *    - Delete the input from ONELEVEL
 471      *  - If we don't find it, just change to node (we are probably in VLM)
 472      *    and return NULL
 473      *
 474      * If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
 475      * useful for later BothAddInput )
 476      */
 477
 478     /** \todo First look if we don't already have it */
 479     playlist_item_t *p_item_in_category = playlist_ItemFindFromInputAndRoot(
 480                                             p_playlist, p_item->p_input->i_id,
 481                                             p_playlist->p_root_category );
 482
 483     if( p_item_in_category )
 484     {
 485         ChangeToNode( p_playlist, p_item_in_category );
 486         playlist_DeleteFromInput( p_playlist, p_item->p_input->i_id,
 487                                   p_playlist->p_root_onelevel, VLC_FALSE );
 488         var_SetInteger( p_playlist, "item-change", p_item->p_input->i_id );
 489         return p_item_in_category;
 490     }
 491     else
 492     {
 493         ChangeToNode( p_playlist, p_item );
 494         return NULL;
 495     }
 496 }
 497
 498 /** Transform an item to a node
 499  *  This function must be entered without the playlist lock
 500  *  \see playlist_ItemToNode
 501  */
 502 playlist_item_t * playlist_LockItemToNode( playlist_t *p_playlist,
 503                                            playlist_item_t *p_item )
 504 {
 505     playlist_item_t *p_ret;
 506     vlc_mutex_lock( &p_playlist->object_lock );
 507     p_ret = playlist_ItemToNode( p_playlist, p_item );
 508     vlc_mutex_unlock( &p_playlist->object_lock );
 509     return p_ret;
 510 }
 511
 512 /** Find an item within a root, given its input id.
 513  * \return the first found item, or NULL if not found
 514  */
 515 playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
 516                                                     int i_input_id,
 517                                                     playlist_item_t *p_root )
 518 {
 519     int i;
 520     for( i = 0 ; i< p_root->i_children ; i++ )
 521     {
 522         if( p_root->pp_children[i]->i_children == -1 &&
 523             p_root->pp_children[i]->p_input->i_id == i_input_id )
 524         {
 525             return p_root->pp_children[i];
 526         }
 527         else if( p_root->pp_children[i]->i_children >= 0 )
 528         {
 529             playlist_item_t *p_search =
 530                  playlist_ItemFindFromInputAndRoot( p_playlist, i_input_id,
 531                                                     p_root->pp_children[i] );
 532             if( p_search ) return p_search;
 533         }
 534     }
 535     return NULL;
 536 }
 537
 538
 539 /**
 540  * Moves an item
 541  *
 542  * This function must be entered with the playlist lock
 543  *
 544  * \param p_playlist the playlist
 545  * \param p_item the item to move
 546  * \param p_node the new parent of the item
 547  * \param i_newpos the new position under this new parent
 548  * \return VLC_SUCCESS or an error
 549  */
 550 int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
 551                        playlist_item_t *p_node, int i_newpos )
 552 {
 553     int j;
 554     playlist_item_t *p_detach = NULL;
 555
 556     if( p_node->i_children == -1 ) return VLC_EGENERIC;
 557
 558     p_detach = p_item->p_parent;
 559     for( j = 0; j < p_detach->i_children; j++ )
 560     {
 561          if( p_detach->pp_children[j] == p_item ) break;
 562     }
 563     REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, j );
 564
 565     /* Attach to new parent */
 566     INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
 567
 568     return VLC_SUCCESS;
 569 }
 570
 571 /** Send a notification that an item has been added to a node */
 572 void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
 573                              int i_node_id )
 574 {
 575     vlc_value_t val;
 576     playlist_add_t *p_add = (playlist_add_t *)malloc(sizeof( playlist_add_t));
 577     p_add->i_item = i_item_id;
 578     p_add->i_node = i_node_id;
 579     val.p_address = p_add;
 580     var_Set( p_playlist, "item-append", val );
 581     free( p_add );
 582 }
 583
 584 /*****************************************************************************
 585  * Playlist item accessors
 586  *****************************************************************************/
 587
 588 /** Set the name of a playlist item */
 589 int playlist_ItemSetName( playlist_item_t *p_item, char *psz_name )
 590 {
 591     if( psz_name && p_item )
 592     {
 593         if( p_item->p_input->psz_name ) free( p_item->p_input->psz_name );
 594         p_item->p_input->psz_name = strdup( psz_name );
 595         return VLC_SUCCESS;
 596     }
 597     return VLC_EGENERIC;
 598 }
 599
 600 /** Set the duration of a playlist item
 601  * \param i_duration the new duration in microseconds
 602  */
 603 int playlist_ItemSetDuration( playlist_item_t *p_item, mtime_t i_duration )
 604 {
 605     char psz_buffer[MSTRTIME_MAX_SIZE];
 606     if( p_item )
 607     {
 608         p_item->p_input->i_duration = i_duration;
 609         if( i_duration != -1 )
 610         {
 611             secstotimestr( psz_buffer, (int)(i_duration/1000000) );
 612         }
 613         else
 614         {
 615             memcpy( psz_buffer, "--:--:--", sizeof("--:--:--") );
 616         }
 617         vlc_input_item_AddInfo( p_item->p_input, _("General") , _("Duration"),
 618                                 "%s", psz_buffer );
 619
 620         return VLC_SUCCESS;
 621     }
 622     return VLC_EGENERIC;
 623 }
 624
 625 /** Add an option to a playlist item */
 626 void playlist_ItemAddOption( playlist_item_t *p_item,
 627                              const char *psz_option)
 628 {
 629     vlc_input_item_AddOption( p_item->p_input, psz_option );
 630 }
 631
 632 /***************************************************************************
 633  * The following functions are local
 634  ***************************************************************************/
 635
 636 /* Enqueue an item for preparsing, and play it, if needed */
 637 void GoAndPreparse( playlist_t *p_playlist, int i_mode,
 638                     playlist_item_t *p_item )
 639 {
 640 #if 0
 641     if( (i_mode & PLAYLIST_GO ) && p_view )
 642     {
 643         p_playlist->request.b_request = VLC_TRUE;
 644         /* FIXME ... */
 645         p_playlist->request.i_view = VIEW_CATEGORY;
 646         p_playlist->request.p_node = p_view->p_root;
 647         p_playlist->request.p_item = p_item;
 648
 649         if( p_playlist->p_input )
 650         {
 651             input_StopThread( p_playlist->p_input );
 652         }
 653         p_playlist->status.i_status = PLAYLIST_RUNNING;
 654     }
 655 #endif
 656     if( i_mode & PLAYLIST_PREPARSE &&
 657         var_CreateGetBool( p_playlist, "auto-preparse" ) )
 658     {
 659         playlist_PreparseEnqueue( p_playlist, p_item->p_input );
 660     }
 661 }
 662
 663 /* Add the playlist item to the requested node and fire a notification */
 664 void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
 665               playlist_item_t *p_node, int i_pos )
 666 {
 667     INSERT_ELEM( p_playlist->pp_items, p_playlist->i_size,
 668                  p_playlist->i_size, p_item );
 669 #if 0
 670     fprintf( stderr, "Adding input %s (id %i) - playlist item id %i "
 671                      "to node %s (id %i)\n",
 672                      p_item->p_input->psz_name, p_item->p_input->i_id,
 673                      p_item->i_id, p_node->p_input->psz_name,
 674                      p_node->i_id );
 675 #endif
 676     INSERT_ELEM( p_playlist->pp_all_items, p_playlist->i_all_size,
 677                  p_playlist->i_all_size, p_item );
 678     p_playlist->i_enabled ++;
 679
 680     if( i_pos == PLAYLIST_END )
 681     {
 682         playlist_NodeAppend( p_playlist, p_item, p_node );
 683     }
 684     else
 685     {
 686         playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
 687     }
 688
 689     playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id );
 690 }
 691
 692 /* Actually convert an item to a node */
 693 void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
 694 {
 695     int i;
 696     if( p_item->i_children == -1 )
 697         p_item->i_children = 0;
 698
 699     /* Remove it from the array of available items */
 700     for( i = 0 ; i < p_playlist->i_size ; i++ )
 701     {
 702         if( p_item == p_playlist->pp_items[i] )
 703         {
 704             REMOVE_ELEM( p_playlist->pp_items, p_playlist->i_size, i );
 705         }
 706     }
 707 }
 708
 709 /* Do the actual removal */
 710 int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
 711                 vlc_bool_t b_stop )
 712 {
 713     int i, i_top, i_bottom;
 714     int i_id = p_item->i_id;
 715     vlc_bool_t b_flag = VLC_FALSE;
 716
 717     //fprintf( stderr, "Deleting item %i - %s\n", i_id,
 718     //                                            p_item->p_input->psz_name );
 719
 720     if( p_item->i_children > -1 )
 721     {
 722         return playlist_NodeDelete( p_playlist, p_item, VLC_TRUE, VLC_FALSE );
 723     }
 724     var_SetInteger( p_playlist, "item-deleted", i_id );
 725
 726     /* Remove the item from the bank */
 727     i_bottom = 0; i_top = p_playlist->i_all_size - 1;
 728     i = i_top / 2;
 729     while( p_playlist->pp_all_items[i]->i_id != i_id &&
 730            i_top > i_bottom )
 731     {
 732         if( p_playlist->pp_all_items[i]->i_id < i_id )
 733         {
 734             i_bottom = i + 1;
 735         }
 736         else
 737         {
 738             i_top = i - 1;
 739         }
 740         i = i_bottom + ( i_top - i_bottom ) / 2;
 741     }
 742     if( p_playlist->pp_all_items[i]->i_id == i_id )
 743     {
 744         REMOVE_ELEM( p_playlist->pp_all_items, p_playlist->i_all_size, i );
 745     }
 746
 747     /* Check if it is the current item */
 748     if( p_playlist->status.p_item == p_item )
 749     {
 750         /* Hack we don't call playlist_Control for lock reasons */
 751         if( b_stop )
 752         {
 753             p_playlist->status.i_status = PLAYLIST_STOPPED;
 754             p_playlist->request.b_request = VLC_TRUE;
 755             p_playlist->request.p_item = NULL;
 756             msg_Info( p_playlist, "stopping playback" );
 757         }
 758         b_flag = VLC_TRUE;
 759     }
 760
 761     msg_Dbg( p_playlist, "deleting playlist item `%s'",
 762                           p_item->p_input->psz_name );
 763
 764     /* Remove the item from its parent */
 765     playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
 766
 767     if( b_flag == VLC_FALSE )
 768         playlist_ItemDelete( p_item );
 769     else
 770         p_item->i_flags |= PLAYLIST_REMOVE_FLAG;
 771
 772     return VLC_SUCCESS;
 773 }