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 }
 233
 234 /** Remove a playlist item from the playlist, given its id */
 235 int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
 236 {
 237     playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id );
 238     if( !p_item ) return VLC_EGENERIC;
 239     return DeleteInner( p_playlist, p_item, VLC_TRUE );
 240 }
 241
 242 /** Remove a playlist item from the playlist, given its id
 243  * This function should be entered without the playlist lock */
 244 int playlist_LockDelete( playlist_t * p_playlist, int i_id )
 245 {
 246     int i_ret;
 247     vlc_mutex_lock( &p_playlist->object_lock );
 248     i_ret = playlist_DeleteFromItemId( p_playlist, i_id );
 249     vlc_mutex_unlock( &p_playlist->object_lock );
 250     return i_ret;
 251 }
 252
 253 /** Clear the playlist */
 254 void playlist_Clear( playlist_t * p_playlist )
 255 {
 256     playlist_NodeEmpty( p_playlist, p_playlist->p_root_category, VLC_TRUE );
 257     playlist_NodeEmpty( p_playlist, p_playlist->p_root_onelevel, VLC_TRUE );
 258 }
 259 /** Clear the playlist. This function must be entered without the lock */
 260 void playlist_LockClear( playlist_t *p_playlist )
 261 {
 262     vlc_mutex_lock( &p_playlist->object_lock );
 263     playlist_Clear( p_playlist );
 264     vlc_mutex_unlock( &p_playlist->object_lock );
 265 }
 266
 267 /***************************************************************************
 268  * Playlist item addition
 269  ***************************************************************************/
 270
 271 /**
 272  * Add a MRL into the playlist.
 273  *
 274  * \param p_playlist the playlist to add into
 275  * \param psz_uri the mrl to add to the playlist
 276  * \param psz_name a text giving a name or description of this item
 277  * \param i_mode the mode used when adding
 278  * \param i_pos the position in the playlist where to add. If this is
 279  *        PLAYLIST_END the item will be added at the end of the playlist
 280  *        regardless of it's size
 281  * \return The id of the playlist item
 282  */
 283 int playlist_PlaylistAdd( playlist_t *p_playlist, const char *psz_uri,
 284                           const char *psz_name, int i_mode, int i_pos )
 285 {
 286     return playlist_PlaylistAddExt( p_playlist, psz_uri, psz_name,
 287                                     i_mode, i_pos, -1, NULL, 0 );
 288 }
 289
 290 /**
 291  * Add a MRL into the playlist, duration and options given
 292  *
 293  * \param p_playlist the playlist to add into
 294  * \param psz_uri the mrl to add to the playlist
 295  * \param psz_name a text giving a name or description of this item
 296  * \param i_mode the mode used when adding
 297  * \param i_pos the position in the playlist where to add. If this is
 298  *        PLAYLIST_END the item will be added at the end of the playlist
 299  *        regardless of it's size
 300  * \param i_duration length of the item in milliseconds.
 301  * \param ppsz_options an array of options
 302  * \param i_options the number of options
 303  * \return The id of the playlist item
 304 */
 305 int playlist_PlaylistAddExt( playlist_t *p_playlist, const char * psz_uri,
 306                              const char *psz_name, int i_mode, int i_pos,
 307                              mtime_t i_duration, const char **ppsz_options,
 308                              int i_options )
 309 {
 310     input_item_t *p_input = input_ItemNewExt( p_playlist, psz_uri, psz_name,
 311                                               i_options, ppsz_options,
 312                                               i_duration );
 313
 314     return playlist_PlaylistAddInput( p_playlist, p_input, i_mode, i_pos );
 315 }
 316
 317 /** Add an input item to the playlist node */
 318 int playlist_PlaylistAddInput( playlist_t* p_playlist, input_item_t *p_input,
 319                                int i_mode, int i_pos )
 320 {
 321     playlist_item_t *p_item;
 322     p_input->i_id = ++p_playlist->i_last_input_id;
 323
 324     msg_Dbg( p_playlist, "adding playlist item `%s' ( %s )",
 325              p_input->psz_name, p_input->psz_uri );
 326
 327     vlc_mutex_lock( &p_playlist->object_lock );
 328
 329     /* Add to ONELEVEL */
 330     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 331     if( p_item == NULL ) return VLC_EGENERIC;
 332     AddItem( p_playlist, p_item,p_playlist->p_local_onelevel, i_pos );
 333
 334     /* Add to CATEGORY */
 335     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 336     if( p_item == NULL ) return VLC_EGENERIC;
 337     AddItem( p_playlist, p_item, p_playlist->p_local_category, i_pos );
 338
 339     GoAndPreparse( p_playlist, i_mode, p_item );
 340
 341     vlc_mutex_unlock( &p_playlist->object_lock );
 342     return VLC_SUCCESS;
 343 }
 344
 345 /** Add an input item to p_direct_parent in the category tree, and to the
 346  *  matching top category in onelevel **/
 347 int playlist_BothAddInput( playlist_t *p_playlist,
 348                            input_item_t *p_input,
 349                            playlist_item_t *p_direct_parent,
 350                            int i_mode, int i_pos )
 351 {
 352     playlist_item_t *p_item, *p_up;
 353     int i_top;
 354     vlc_mutex_lock( & p_playlist->object_lock );
 355
 356     /* Add to category */
 357     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 358     if( p_item == NULL ) return VLC_EGENERIC;
 359     fprintf( stderr, "Adding to CATEGORY\n");
 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     fprintf( stderr, "Adding to ONE\n");
 366
 367     p_up = p_direct_parent;
 368     while( p_up->p_parent != p_playlist->p_root_category )
 369     {
 370         p_up = p_up->p_parent;
 371     }
 372     for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
 373     {
 374         if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input->i_id == p_up->p_input->i_id )
 375         {
 376             AddItem( p_playlist, p_item,
 377                      p_playlist->p_root_onelevel->pp_children[i_top], i_pos );
 378             break;
 379         }
 380     }
 381     GoAndPreparse( p_playlist, i_mode, p_item );
 382
 383     vlc_mutex_unlock( &p_playlist->object_lock );
 384     return VLC_SUCCESS;
 385 }
 386
 387 /**
 388  * Add an item where it should be added, when adding from a node
 389  * (ex: directory access, playlist demuxers, services discovery, ... )
 390  * \param p_playlist the playlist
 391  * \param p_input the input to add
 392  * \param p_parent the direct node
 393  * \param p_item_in_category the item within category root (as returned by playlist_ItemToNode)
 394  * \param b_forced_parent Are we forced to add only to p_parent ?
 395  */
 396 void playlist_AddWhereverNeeded( playlist_t *p_playlist, input_item_t *p_input,
 397                                  playlist_item_t *p_parent,
 398                                  playlist_item_t *p_item_in_category,
 399                                  vlc_bool_t b_forced_parent, int i_mode )
 400 {
 401     /* If we have forced a parent :
 402      *   - Just add the input to the forced parent (which should be p_parent)
 403      * Else
 404      *    - If we have item in category, add to it, and to onelevel (bothadd)
 405      *    - If we don't, just add to p_parent
 406      */
 407     if( b_forced_parent == VLC_TRUE || !p_item_in_category  )
 408     {
 409         playlist_NodeAddInput( p_playlist, p_input, p_parent, i_mode,
 410                                PLAYLIST_END );
 411     }
 412     else
 413     {
 414         playlist_BothAddInput( p_playlist, p_input, p_item_in_category,
 415                                i_mode, PLAYLIST_END );
 416     }
 417 }
 418
 419
 420 /** Add an input item to a given node */
 421 playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
 422                                          input_item_t *p_input,
 423                                          playlist_item_t *p_parent,
 424                                          int i_mode, int i_pos )
 425 {
 426     playlist_item_t *p_item;
 427
 428     /* Sanity checks */
 429     if( !p_parent || p_parent->i_children == -1 )
 430     {
 431         msg_Err( p_playlist, "invalid node" );
 432     }
 433
 434     vlc_mutex_lock( &p_playlist->object_lock );
 435
 436     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
 437     if( p_item == NULL ) return NULL;
 438     AddItem( p_playlist, p_item, p_parent, i_pos );
 439
 440     vlc_mutex_unlock( &p_playlist->object_lock );
 441
 442     return p_item;
 443 }
 444
 445 /** Add a playlist item to a given node */
 446 void playlist_NodeAddItem( playlist_t *p_playlist, playlist_item_t *p_item,
 447                            playlist_item_t *p_parent, int i_mode, int i_pos )
 448 {
 449     vlc_mutex_lock( &p_playlist->object_lock );
 450     AddItem( p_playlist, p_item, p_parent, i_pos );
 451     vlc_mutex_unlock( &p_playlist->object_lock );
 452 }
 453
 454 /*****************************************************************************
 455  * Playlist item misc operations
 456  *****************************************************************************/
 457
 458 /**
 459  * Transform an item to a node. Return the node in the category tree, or NULL
 460  * if not found there
 461  * This function must be entered without the playlist lock
 462  */
 463 playlist_item_t *playlist_ItemToNode( playlist_t *p_playlist,
 464                                       playlist_item_t *p_item )
 465 {
 466     /* What we do
 467      * Find the input in CATEGORY.
 468      *  - If we find it
 469      *    - change it to node
 470      *    - we'll return it at the end
 471      *    - Delete the input from ONELEVEL
 472      *  - If we don't find it, just change to node (we are probably in VLM)
 473      *    and return NULL
 474      *
 475      * If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
 476      * useful for later BothAddInput )
 477      */
 478
 479     /** \todo First look if we don't already have it */
 480     playlist_item_t *p_item_in_category = playlist_ItemFindFromInputAndRoot(
 481                                             p_playlist, p_item->p_input->i_id,
 482                                             p_playlist->p_root_category );
 483
 484     if( p_item_in_category )
 485     {
 486         ChangeToNode( p_playlist, p_item_in_category );
 487         playlist_DeleteFromInput( p_playlist, p_item->p_input->i_id,
 488                                   p_playlist->p_root_onelevel, VLC_FALSE );
 489         var_SetInteger( p_playlist, "item-change", p_item->p_input->i_id );
 490         return p_item_in_category;
 491     }
 492     else
 493     {
 494         ChangeToNode( p_playlist, p_item );
 495         return NULL;
 496     }
 497 }
 498
 499 /** Transform an item to a node
 500  *  This function must be entered without the playlist lock
 501  *  \see playlist_ItemToNode
 502  */
 503 playlist_item_t * playlist_LockItemToNode( playlist_t *p_playlist,
 504                                            playlist_item_t *p_item )
 505 {
 506     playlist_item_t *p_ret;
 507     vlc_mutex_lock( &p_playlist->object_lock );
 508     p_ret = playlist_ItemToNode( p_playlist, p_item );
 509     vlc_mutex_unlock( &p_playlist->object_lock );
 510     return p_ret;
 511 }
 512
 513 /** Find an item within a root, given its input id.
 514  * \return the first found item, or NULL if not found
 515  */
 516 playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
 517                                                     int i_input_id,
 518                                                     playlist_item_t *p_root )
 519 {
 520     int i;
 521     for( i = 0 ; i< p_root->i_children ; i++ )
 522     {
 523         if( p_root->pp_children[i]->i_children == -1 &&
 524             p_root->pp_children[i]->p_input->i_id == i_input_id )
 525         {
 526             return p_root->pp_children[i];
 527         }
 528         else if( p_root->pp_children[i]->i_children >= 0 )
 529         {
 530             playlist_item_t *p_search =
 531                  playlist_ItemFindFromInputAndRoot( p_playlist, i_input_id,
 532                                                     p_root->pp_children[i] );
 533             if( p_search ) return p_search;
 534         }
 535     }
 536     return NULL;
 537 }
 538
 539
 540 /**
 541  * Moves an item
 542  *
 543  * This function must be entered with the playlist lock
 544  *
 545  * \param p_playlist the playlist
 546  * \param p_item the item to move
 547  * \param p_node the new parent of the item
 548  * \param i_newpos the new position under this new parent
 549  * \return VLC_SUCCESS or an error
 550  */
 551 int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
 552                        playlist_item_t *p_node, int i_newpos )
 553 {
 554     int j;
 555     playlist_item_t *p_detach = NULL;
 556
 557     if( p_node->i_children == -1 ) return VLC_EGENERIC;
 558
 559     p_detach = p_item->p_parent;
 560     for( j = 0; j < p_detach->i_children; j++ )
 561     {
 562          if( p_detach->pp_children[j] == p_item ) break;
 563     }
 564     REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, j );
 565
 566     /* Attach to new parent */
 567     INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
 568
 569     return VLC_SUCCESS;
 570 }
 571
 572 /** Send a notification that an item has been added to a node */
 573 void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
 574                              int i_node_id )
 575 {
 576     vlc_value_t val;
 577     playlist_add_t *p_add = (playlist_add_t *)malloc(sizeof( playlist_add_t));
 578     p_add->i_item = i_item_id;
 579     p_add->i_node = i_node_id;
 580     val.p_address = p_add;
 581     var_Set( p_playlist, "item-append", val );
 582     free( p_add );
 583 }
 584
 585 /*****************************************************************************
 586  * Playlist item accessors
 587  *****************************************************************************/
 588
 589 /** Set the name of a playlist item */
 590 int playlist_ItemSetName( playlist_item_t *p_item, char *psz_name )
 591 {
 592     if( psz_name && p_item )
 593     {
 594         if( p_item->p_input->psz_name ) free( p_item->p_input->psz_name );
 595         p_item->p_input->psz_name = strdup( psz_name );
 596         return VLC_SUCCESS;
 597     }
 598     return VLC_EGENERIC;
 599 }
 600
 601 /** Set the duration of a playlist item
 602  * \param i_duration the new duration in microseconds
 603  */
 604 int playlist_ItemSetDuration( playlist_item_t *p_item, mtime_t i_duration )
 605 {
 606     char psz_buffer[MSTRTIME_MAX_SIZE];
 607     if( p_item )
 608     {
 609         p_item->p_input->i_duration = i_duration;
 610         if( i_duration != -1 )
 611         {
 612             secstotimestr( psz_buffer, (int)(i_duration/1000000) );
 613         }
 614         else
 615         {
 616             memcpy( psz_buffer, "--:--:--", sizeof("--:--:--") );
 617         }
 618         vlc_input_item_AddInfo( p_item->p_input, _("General") , _("Duration"),
 619                                 "%s", psz_buffer );
 620
 621         return VLC_SUCCESS;
 622     }
 623     return VLC_EGENERIC;
 624 }
 625
 626 /** Add an option to a playlist item */
 627 void playlist_ItemAddOption( playlist_item_t *p_item,
 628                              const char *psz_option)
 629 {
 630     vlc_input_item_AddOption( p_item->p_input, psz_option );
 631 }
 632
 633 /***************************************************************************
 634  * The following functions are local
 635  ***************************************************************************/
 636
 637 /* Enqueue an item for preparsing, and play it, if needed */
 638 void GoAndPreparse( playlist_t *p_playlist, int i_mode,
 639                     playlist_item_t *p_item )
 640 {
 641 #if 0
 642     if( (i_mode & PLAYLIST_GO ) && p_view )
 643     {
 644         p_playlist->request.b_request = VLC_TRUE;
 645         /* FIXME ... */
 646         p_playlist->request.i_view = VIEW_CATEGORY;
 647         p_playlist->request.p_node = p_view->p_root;
 648         p_playlist->request.p_item = p_item;
 649
 650         if( p_playlist->p_input )
 651         {
 652             input_StopThread( p_playlist->p_input );
 653         }
 654         p_playlist->status.i_status = PLAYLIST_RUNNING;
 655     }
 656 #endif
 657     if( i_mode & PLAYLIST_PREPARSE &&
 658         var_CreateGetBool( p_playlist, "auto-preparse" ) )
 659     {
 660         playlist_PreparseEnqueue( p_playlist, p_item->p_input );
 661     }
 662 }
 663
 664 /* Add the playlist item to the requested node and fire a notification */
 665 void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
 666               playlist_item_t *p_node, int i_pos )
 667 {
 668     INSERT_ELEM( p_playlist->pp_items, p_playlist->i_size,
 669                  p_playlist->i_size, p_item );
 670 #if 0
 671     fprintf( stderr, "Adding input %s (id %i) - playlist item id %i "
 672                      "to node %s (id %i)\n",
 673                      p_item->p_input->psz_name, p_item->p_input->i_id,
 674                      p_item->i_id, p_node->p_input->psz_name,
 675                      p_node->i_id );
 676 #endif
 677     INSERT_ELEM( p_playlist->pp_all_items, p_playlist->i_all_size,
 678                  p_playlist->i_all_size, p_item );
 679     p_playlist->i_enabled ++;
 680
 681     if( i_pos == PLAYLIST_END )
 682     {
 683         playlist_NodeAppend( p_playlist, p_item, p_node );
 684     }
 685     else
 686     {
 687         playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
 688     }
 689
 690     playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id );
 691 }
 692
 693 /* Actually convert an item to a node */
 694 void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
 695 {
 696     int i;
 697     if( p_item->i_children == -1 )
 698         p_item->i_children = 0;
 699
 700     /* Remove it from the array of available items */
 701     for( i = 0 ; i < p_playlist->i_size ; i++ )
 702     {
 703         if( p_item == p_playlist->pp_items[i] )
 704         {
 705             REMOVE_ELEM( p_playlist->pp_items, p_playlist->i_size, i );
 706         }
 707     }
 708 }
 709
 710 /* Do the actual removal */
 711 int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
 712                 vlc_bool_t b_stop )
 713 {
 714     int i, i_top, i_bottom;
 715     int i_id = p_item->i_id;
 716     vlc_bool_t b_flag = VLC_FALSE;
 717
 718     //fprintf( stderr, "Deleting item %i - %s\n", i_id,
 719     //                                            p_item->p_input->psz_name );
 720
 721     if( p_item->i_children > -1 )
 722     {
 723         return playlist_NodeDelete( p_playlist, p_item, VLC_TRUE, VLC_FALSE );
 724     }
 725     var_SetInteger( p_playlist, "item-deleted", i_id );
 726
 727     /* Remove the item from the bank */
 728     i_bottom = 0; i_top = p_playlist->i_all_size - 1;
 729     i = i_top / 2;
 730     while( p_playlist->pp_all_items[i]->i_id != i_id &&
 731            i_top > i_bottom )
 732     {
 733         if( p_playlist->pp_all_items[i]->i_id < i_id )
 734         {
 735             i_bottom = i + 1;
 736         }
 737         else
 738         {
 739             i_top = i - 1;
 740         }
 741         i = i_bottom + ( i_top - i_bottom ) / 2;
 742     }
 743     if( p_playlist->pp_all_items[i]->i_id == i_id )
 744     {
 745         REMOVE_ELEM( p_playlist->pp_all_items, p_playlist->i_all_size, i );
 746     }
 747
 748     /* Check if it is the current item */
 749     if( p_playlist->status.p_item == p_item )
 750     {
 751         /* Hack we don't call playlist_Control for lock reasons */
 752         if( b_stop )
 753         {
 754             p_playlist->status.i_status = PLAYLIST_STOPPED;
 755             p_playlist->request.b_request = VLC_TRUE;
 756             p_playlist->request.p_item = NULL;
 757             msg_Info( p_playlist, "stopping playback" );
 758         }
 759         b_flag = VLC_TRUE;
 760     }
 761
 762     msg_Dbg( p_playlist, "deleting playlist item `%s'",
 763                           p_item->p_input->psz_name );
 764
 765     /* Remove the item from its parent */
 766     playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
 767
 768     if( b_flag == VLC_FALSE )
 769         playlist_ItemDelete( p_item );
 770     else
 771         p_item->i_flags |= PLAYLIST_REMOVE_FLAG;
 772
 773     return VLC_SUCCESS;
 774 }