1 /*****************************************************************************
2 * item.c : Playlist item creation/deletion/add/removal functions
3 *****************************************************************************
4 * Copyright (C) 1999-2007 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
8 * Clément Stenac <zorglub@videolan.org>
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.
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.
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 *****************************************************************************/
28 #include <vlc_common.h>
30 #include <vlc_playlist.h>
31 #include "playlist_internal.h"
33 static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
34 playlist_item_t *p_node, int i_mode, int i_pos );
35 static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
36 playlist_item_t *, playlist_item_t * );
37 static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item );
38 static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
41 static playlist_item_t *ItemToNode( playlist_t *, playlist_item_t *, bool );
43 /*****************************************************************************
44 * An input item has gained a subitem (Event Callback)
45 *****************************************************************************/
46 static void input_item_subitem_added( const vlc_event_t * p_event,
49 playlist_item_t *p_parent_playlist_item = user_data;
50 playlist_t * p_playlist = p_parent_playlist_item->p_playlist;
51 input_item_t * p_parent, * p_child;
52 playlist_item_t * p_child_in_category;
53 playlist_item_t * p_item_in_category;
56 p_parent = p_event->p_obj;
57 p_child = p_event->u.input_item_subitem_added.p_new_child;
60 b_play = var_CreateGetBool( p_playlist, "playlist-autostart" );
62 /* This part is really hakish, but this playlist system isn't simple */
63 /* First check if we haven't already added the item as we are
64 * listening using the onelevel and the category representent
65 * (Because of the playlist design) */
66 p_child_in_category = playlist_ItemFindFromInputAndRoot(
68 p_playlist->p_root_category,
69 false /* Only non-node */ );
71 if( !p_child_in_category )
73 /* Then, transform to a node if needed */
74 p_item_in_category = playlist_ItemFindFromInputAndRoot(
76 p_playlist->p_root_category,
77 false /* Only non-node */ );
78 if( !p_item_in_category )
80 /* Item may have been removed */
85 bool b_stop = p_item_in_category->i_flags & PLAYLIST_SUBITEM_STOP_FLAG;
88 p_item_in_category == get_current_status_item( p_playlist ) &&
89 p_item_in_category->i_children == -1;
91 /* If this item is already a node don't transform it */
92 if( p_item_in_category->i_children == -1 )
94 p_item_in_category = ItemToNode( p_playlist,
95 p_item_in_category, pl_Locked );
96 p_item_in_category->p_input->i_type = ITEM_TYPE_PLAYLIST;
99 int i_ret = playlist_BothAddInput( p_playlist, p_child,
101 PLAYLIST_APPEND | PLAYLIST_SPREPARSE , PLAYLIST_END,
102 NULL, NULL, pl_Locked );
104 if( i_ret == VLC_SUCCESS && b_play )
108 p_item_in_category->i_flags &= ~PLAYLIST_SUBITEM_STOP_FLAG;
110 playlist_Stop( p_playlist );
113 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
114 pl_Locked, p_item_in_category, NULL );
122 /*****************************************************************************
123 * An input item's meta or duration has changed (Event Callback)
124 *****************************************************************************/
125 static void input_item_changed( const vlc_event_t * p_event,
128 playlist_item_t *p_item = user_data;
129 VLC_UNUSED( p_event );
130 var_SetAddress( p_item->p_playlist, "item-change", p_item->p_input );
133 /*****************************************************************************
134 * Listen to vlc_InputItemAddSubItem event
135 *****************************************************************************/
136 static void install_input_item_observer( playlist_item_t * p_item )
138 vlc_event_manager_t * p_em = &p_item->p_input->event_manager;
139 vlc_event_attach( p_em, vlc_InputItemSubItemAdded,
140 input_item_subitem_added, p_item );
141 vlc_event_attach( p_em, vlc_InputItemDurationChanged,
142 input_item_changed, p_item );
143 vlc_event_attach( p_em, vlc_InputItemMetaChanged,
144 input_item_changed, p_item );
145 vlc_event_attach( p_em, vlc_InputItemNameChanged,
146 input_item_changed, p_item );
147 vlc_event_attach( p_em, vlc_InputItemInfoChanged,
148 input_item_changed, p_item );
149 vlc_event_attach( p_em, vlc_InputItemErrorWhenReadingChanged,
150 input_item_changed, p_item );
153 static void uninstall_input_item_observer( playlist_item_t * p_item )
155 vlc_event_manager_t * p_em = &p_item->p_input->event_manager;
156 vlc_event_detach( p_em, vlc_InputItemSubItemAdded,
157 input_item_subitem_added, p_item );
158 vlc_event_detach( p_em, vlc_InputItemMetaChanged,
159 input_item_changed, p_item );
160 vlc_event_detach( p_em, vlc_InputItemDurationChanged,
161 input_item_changed, p_item );
162 vlc_event_detach( p_em, vlc_InputItemNameChanged,
163 input_item_changed, p_item );
164 vlc_event_detach( p_em, vlc_InputItemInfoChanged,
165 input_item_changed, p_item );
166 vlc_event_detach( p_em, vlc_InputItemErrorWhenReadingChanged,
167 input_item_changed, p_item );
170 /*****************************************************************************
171 * Playlist item creation
172 *****************************************************************************/
173 playlist_item_t *playlist_ItemNewFromInput( playlist_t *p_playlist,
174 input_item_t *p_input )
176 playlist_item_t* p_item = malloc( sizeof( playlist_item_t ) );
182 p_item->p_input = p_input;
183 vlc_gc_incref( p_item->p_input );
185 p_item->i_id = ++pl_priv(p_playlist)->i_last_playlist_id;
187 p_item->p_parent = NULL;
188 p_item->i_children = -1;
189 p_item->pp_children = NULL;
191 p_item->p_playlist = p_playlist;
193 install_input_item_observer( p_item );
198 /***************************************************************************
199 * Playlist item destruction
200 ***************************************************************************/
205 * \param p_item item to delete
206 * \return VLC_SUCCESS
208 int playlist_ItemRelease( playlist_item_t *p_item )
211 playlist_t *p_playlist = p_item->p_playlist;
214 /* Surprise, we can't actually do more because we
215 * don't do refcounting, or eauivalent.
216 * Because item are not only accessed by their id
217 * using playlist_item outside the PL_LOCK isn't safe.
218 * Most of the modules does that.
220 * Who wants to add proper memory management? */
221 uninstall_input_item_observer( p_item );
222 ARRAY_APPEND( pl_priv(p_playlist)->items_to_delete, p_item);
229 * Remove an input item when it appears from a root playlist item
230 * \param p_playlist playlist object
231 * \param p_input the input to delete
232 * \param p_root root playlist item
233 * \param b_do_stop must stop or not the playlist
234 * \return VLC_SUCCESS or VLC_EGENERIC
236 static int DeleteFromInput( playlist_t *p_playlist, input_item_t *p_input,
237 playlist_item_t *p_root, bool b_do_stop )
241 for( i = 0 ; i< p_root->i_children ; i++ )
243 if( p_root->pp_children[i]->i_children == -1 &&
244 p_root->pp_children[i]->p_input == p_input )
246 DeleteInner( p_playlist, p_root->pp_children[i], b_do_stop );
249 else if( p_root->pp_children[i]->i_children >= 0 )
251 int i_ret = DeleteFromInput( p_playlist, p_input,
252 p_root->pp_children[i], b_do_stop );
253 if( i_ret == VLC_SUCCESS ) return VLC_SUCCESS;
262 * Remove an input item when it appears from a root playlist item
263 * \param p_playlist playlist object
264 * \param p_input the input to delete
265 * \param p_root root playlist item
266 * \param b_locked TRUE if the playlist is locked
267 * \return VLC_SUCCESS or VLC_EGENERIC
269 int playlist_DeleteFromInputInParent( playlist_t *p_playlist,
270 input_item_t *p_item,
271 playlist_item_t *p_root, bool b_locked )
274 PL_LOCK_IF( !b_locked );
275 i_ret = DeleteFromInput( p_playlist, p_item, p_root, true );
276 PL_UNLOCK_IF( !b_locked );
283 * Remove an input item from ONELEVEL and CATEGORY
284 * \param p_playlist playlist object
285 * \param p_input the input to delete
286 * \param b_locked TRUE if the playlist is locked
287 * \return VLC_SUCCESS or VLC_ENOITEM
289 int playlist_DeleteFromInput( playlist_t *p_playlist, input_item_t *p_input,
293 PL_LOCK_IF( !b_locked );
294 i_ret1 = DeleteFromInput( p_playlist, p_input,
295 p_playlist->p_root_category, true );
296 i_ret2 = DeleteFromInput( p_playlist, p_input,
297 p_playlist->p_root_onelevel, true );
298 PL_UNLOCK_IF( !b_locked );
299 return ( i_ret1 == VLC_SUCCESS || i_ret2 == VLC_SUCCESS ) ?
300 VLC_SUCCESS : VLC_ENOITEM;
306 * \param p_playlist playlist object
307 * \param b_locked TRUE if the playlist is locked
310 void playlist_Clear( playlist_t * p_playlist, bool b_locked )
312 PL_LOCK_IF( !b_locked );
313 playlist_NodeEmpty( p_playlist, p_playlist->p_local_category, true );
314 playlist_NodeEmpty( p_playlist, p_playlist->p_local_onelevel, true );
315 PL_UNLOCK_IF( !b_locked );
319 * Delete playlist item
321 * Remove a playlist item from the playlist, given its id
322 * This function is to be used only by the playlist
323 * \param p_playlist playlist object
324 * \param i_id id of the item do delete
325 * \return VLC_SUCCESS or an error
327 int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
330 playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id );
331 if( !p_item ) return VLC_EGENERIC;
332 return DeleteInner( p_playlist, p_item, true );
335 /***************************************************************************
336 * Playlist item addition
337 ***************************************************************************/
341 * Add an item to the playlist or the media library
342 * \param p_playlist the playlist to add into
343 * \param psz_uri the mrl to add to the playlist
344 * \param psz_name a text giving a name or description of this item
345 * \param i_mode the mode used when adding
346 * \param i_pos the position in the playlist where to add. If this is
347 * PLAYLIST_END the item will be added at the end of the playlist
348 * regardless of its size
349 * \param b_playlist TRUE for playlist, FALSE for media library
350 * \param b_locked TRUE if the playlist is locked
351 * \return VLC_SUCCESS or a VLC error code
353 int playlist_Add( playlist_t *p_playlist, const char *psz_uri,
354 const char *psz_name, int i_mode, int i_pos,
355 bool b_playlist, bool b_locked )
357 return playlist_AddExt( p_playlist, psz_uri, psz_name,
358 i_mode, i_pos, -1, 0, NULL, 0, b_playlist, b_locked );
362 * Add a MRL into the playlist or the media library, duration and options given
364 * \param p_playlist the playlist to add into
365 * \param psz_uri the mrl to add to the playlist
366 * \param psz_name a text giving a name or description of this item
367 * \param i_mode the mode used when adding
368 * \param i_pos the position in the playlist where to add. If this is
369 * PLAYLIST_END the item will be added at the end of the playlist
370 * regardless of its size
371 * \param i_duration length of the item in milliseconds.
372 * \param i_options the number of options
373 * \param ppsz_options an array of options
374 * \param i_option_flags options flags
375 * \param b_playlist TRUE for playlist, FALSE for media library
376 * \param b_locked TRUE if the playlist is locked
377 * \return VLC_SUCCESS or a VLC error code
379 int playlist_AddExt( playlist_t *p_playlist, const char * psz_uri,
380 const char *psz_name, int i_mode, int i_pos,
382 int i_options, const char *const *ppsz_options,
383 unsigned i_option_flags,
384 bool b_playlist, bool b_locked )
387 input_item_t *p_input;
389 p_input = input_item_NewExt( p_playlist, psz_uri, psz_name,
390 i_options, ppsz_options, i_option_flags,
392 if( p_input == NULL )
394 i_ret = playlist_AddInput( p_playlist, p_input, i_mode, i_pos, b_playlist,
396 vlc_gc_decref( p_input );
401 * Add an input item to the playlist node
403 * \param p_playlist the playlist to add into
404 * \param p_input the input item to add
405 * \param i_mode the mode used when adding
406 * \param i_pos the position in the playlist where to add. If this is
407 * PLAYLIST_END the item will be added at the end of the playlist
408 * regardless of its size
409 * \param b_playlist TRUE for playlist, FALSE for media library
410 * \param b_locked TRUE if the playlist is locked
411 * \return VLC_SUCCESS or VLC_ENOMEM or VLC_EGENERIC
413 int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
414 int i_mode, int i_pos, bool b_playlist,
417 playlist_item_t *p_item_cat, *p_item_one;
418 if( p_playlist->b_die ) return VLC_EGENERIC;
419 if( !pl_priv(p_playlist)->b_doing_ml )
420 PL_DEBUG( "adding item `%s' ( %s )", p_input->psz_name,
423 PL_LOCK_IF( !b_locked );
425 /* Add to ONELEVEL */
426 p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
427 if( p_item_one == NULL ) return VLC_ENOMEM;
428 AddItem( p_playlist, p_item_one,
429 b_playlist ? p_playlist->p_local_onelevel :
430 p_playlist->p_ml_onelevel , i_mode, i_pos );
432 /* Add to CATEGORY */
433 p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
434 if( p_item_cat == NULL ) return VLC_ENOMEM;
435 AddItem( p_playlist, p_item_cat,
436 b_playlist ? p_playlist->p_local_category :
437 p_playlist->p_ml_category , i_mode, i_pos );
439 GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
441 PL_UNLOCK_IF( !b_locked );
448 * Add an input item to p_direct_parent in the category tree, and to the
449 * matching top category in onelevel
450 * \param p_playlist the playlist to add into
451 * \param p_input the input item to add
452 * \param p_direct_parent the parent item to add into
453 * \param i_mode the mode used when adding
454 * \param i_pos the position in the playlist where to add. If this is
455 * PLAYLIST_END the item will be added at the end of the playlist
456 * regardless of its size
457 * \param i_cat id of the items category
458 * \param i_one id of the item onelevel category
459 * \param b_locked TRUE if the playlist is locked
460 * \return VLC_SUCCESS if success, VLC_EGENERIC if fail, VLC_ENOMEM if OOM
462 int playlist_BothAddInput( playlist_t *p_playlist,
463 input_item_t *p_input,
464 playlist_item_t *p_direct_parent,
465 int i_mode, int i_pos,
466 int *i_cat, int *i_one, bool b_locked )
468 playlist_item_t *p_item_cat, *p_item_one, *p_up;
472 if( !vlc_object_alive( p_playlist ) )
475 PL_LOCK_IF( !b_locked );
477 /* Add to category */
478 p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
479 if( p_item_cat == NULL ) return VLC_ENOMEM;
480 AddItem( p_playlist, p_item_cat, p_direct_parent, i_mode, i_pos );
482 /* Add to onelevel */
483 /**Â \todo make a faster case for ml import */
484 p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
485 if( p_item_one == NULL ) return VLC_ENOMEM;
487 p_up = p_direct_parent;
488 while( p_up->p_parent != p_playlist->p_root_category )
490 p_up = p_up->p_parent;
492 for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
494 if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input ==
497 AddItem( p_playlist, p_item_one,
498 p_playlist->p_root_onelevel->pp_children[i_top],
503 GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
505 if( i_cat ) *i_cat = p_item_cat->i_id;
506 if( i_one ) *i_one = p_item_one->i_id;
508 PL_UNLOCK_IF( !b_locked );
513 * Add an input item to a given node
515 * \param p_playlist the playlist to add into
516 * \param p_input the input item to add
517 * \param p_parent the parent item to add into
518 * \param i_mode the mode used when addin
519 * \param i_pos the position in the playlist where to add. If this is
520 * PLAYLIST_END the item will be added at the end of the playlist
521 * regardless of its size
522 * \param b_locked TRUE if the playlist is locked
523 * \return the new playlist item
525 playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
526 input_item_t *p_input,
527 playlist_item_t *p_parent,
528 int i_mode, int i_pos,
531 playlist_item_t *p_item;
533 assert( p_parent && p_parent->i_children != -1 );
535 if( p_playlist->b_die )
537 PL_LOCK_IF( !b_locked );
539 p_item = playlist_ItemNewFromInput( p_playlist, p_input );
540 if( p_item == NULL ) return NULL;
541 AddItem( p_playlist, p_item, p_parent, i_mode, i_pos );
543 PL_UNLOCK_IF( !b_locked );
548 /*****************************************************************************
549 * Playlist item misc operations
550 *****************************************************************************/
555 * Transform an item to a node. Return the node in the category tree, or NULL
557 * This function must be entered without the playlist lock
558 * \param p_playlist the playlist object
559 * \param p_item the item to transform
560 * \param b_locked TRUE if the playlist is locked
561 * \return the item transform in a node
563 static playlist_item_t *ItemToNode( playlist_t *p_playlist,
564 playlist_item_t *p_item,
568 playlist_item_t *p_item_in_category;
570 * Find the input in CATEGORY.
572 * - change it to node
573 * - we'll return it at the end
574 * - If we are a direct child of onelevel root, change to node, else
575 * delete the input from ONELEVEL
576 * - If we don't find it, just change to node (we are probably in VLM)
579 * If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
580 * useful for later BothAddInput )
583 PL_LOCK_IF( !b_locked );
585 /* Fast track the media library, no time to loose */
586 if( p_item == p_playlist->p_ml_category ) {
587 PL_UNLOCK_IF( !b_locked );
591 /** \todo First look if we don't already have it */
592 p_item_in_category = playlist_ItemFindFromInputAndRoot(
593 p_playlist, p_item->p_input,
594 p_playlist->p_root_category,
597 if( p_item_in_category )
599 playlist_item_t *p_item_in_one = playlist_ItemFindFromInputAndRoot(
600 p_playlist, p_item->p_input,
601 p_playlist->p_root_onelevel,
603 assert( p_item_in_one );
605 /* We already have it, and there is nothing more to do */
606 ChangeToNode( p_playlist, p_item_in_category );
608 /* Item in one is a root, change it to node */
609 if( p_item_in_one->p_parent == p_playlist->p_root_onelevel )
610 ChangeToNode( p_playlist, p_item_in_one );
613 playlist_item_t *p_status_item = get_current_status_item( p_playlist );
614 playlist_item_t *p_status_node = get_current_status_node( p_playlist );
615 if( p_item_in_one == p_status_item )
617 /* We're deleting the current playlist item. Update
618 * the playlist object to point at the previous item
619 * so the playlist won't be restarted */
620 playlist_item_t *p_prev_status_item = NULL;
622 while( i < p_status_node->i_children &&
623 p_status_node->pp_children[i] != p_status_item )
625 p_prev_status_item = p_status_node->pp_children[i];
628 if( i == p_status_node->i_children )
629 p_prev_status_item = NULL;
630 if( p_prev_status_item )
631 set_current_status_item( p_playlist, p_prev_status_item );
633 DeleteFromInput( p_playlist, p_item_in_one->p_input,
634 p_playlist->p_root_onelevel, false );
636 pl_priv(p_playlist)->b_reset_currently_playing = true;
637 vlc_cond_signal( &pl_priv(p_playlist)->signal );
638 var_SetAddress( p_playlist, "item-change", p_item_in_category->p_input );
639 var_SetAddress( p_playlist, "leaf-to-parent", p_item_in_category->p_input );
640 PL_UNLOCK_IF( !b_locked );
641 return p_item_in_category;
645 ChangeToNode( p_playlist, p_item );
646 PL_UNLOCK_IF( !b_locked );
652 * Find an item within a root, given its input id.
654 * \param p_playlist the playlist object
655 * \param p_item the input item
656 * \param p_root root playlist item
657 * \param b_items_only TRUE if we want the item himself
658 * \return the first found item, or NULL if not found
660 playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
661 input_item_t *p_item,
662 playlist_item_t *p_root,
666 for( i = 0 ; i< p_root->i_children ; i++ )
668 if( ( b_items_only ? p_root->pp_children[i]->i_children == -1 : 1 ) &&
669 p_root->pp_children[i]->p_input == p_item )
671 return p_root->pp_children[i];
673 else if( p_root->pp_children[i]->i_children >= 0 )
675 playlist_item_t *p_search =
676 playlist_ItemFindFromInputAndRoot( p_playlist, p_item,
677 p_root->pp_children[i],
679 if( p_search ) return p_search;
686 static int ItemIndex ( playlist_item_t *p_item )
688 for( int i = 0; i < p_item->p_parent->i_children; i++ )
689 if( p_item->p_parent->pp_children[i] == p_item ) return i;
696 * This function must be entered with the playlist lock
698 * \param p_playlist the playlist
699 * \param p_item the item to move
700 * \param p_node the new parent of the item
701 * \param i_newpos the new position under this new parent
702 * \return VLC_SUCCESS or an error
704 int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
705 playlist_item_t *p_node, int i_newpos )
709 if( p_node->i_children == -1 ) return VLC_EGENERIC;
711 playlist_item_t *p_detach = p_item->p_parent;
712 int i_index = ItemIndex( p_item );
714 REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, i_index );
716 if( p_detach == p_node && i_index < i_newpos )
719 INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
720 p_item->p_parent = p_node;
722 pl_priv( p_playlist )->b_reset_currently_playing = true;
723 vlc_cond_signal( &pl_priv( p_playlist )->signal );
728 * Moves an array of items
730 * This function must be entered with the playlist lock
732 * \param p_playlist the playlist
733 * \param i_items the number of indexes to move
734 * \param pp_items the array of indexes to move
735 * \param p_node the target node
736 * \param i_newpos the target position under this node
737 * \return VLC_SUCCESS or an error
739 int playlist_TreeMoveMany( playlist_t *p_playlist,
740 int i_items, playlist_item_t **pp_items,
741 playlist_item_t *p_node, int i_newpos )
745 if ( p_node->i_children == -1 ) return VLC_EGENERIC;
748 for( i = 0; i < i_items; i++ )
750 playlist_item_t *p_item = pp_items[i];
751 int i_index = ItemIndex( p_item );
752 playlist_item_t *p_parent = p_item->p_parent;
753 REMOVE_ELEM( p_parent->pp_children, p_parent->i_children, i_index );
754 if ( p_parent == p_node && i_index < i_newpos ) i_newpos--;
756 for( i = i_items - 1; i >= 0; i-- )
758 playlist_item_t *p_item = pp_items[i];
759 INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
760 p_item->p_parent = p_node;
763 pl_priv( p_playlist )->b_reset_currently_playing = true;
764 vlc_cond_signal( &pl_priv( p_playlist )->signal );
769 * Send a notification that an item has been added to a node
771 * \param p_playlist the playlist object
772 * \param i_item_id id of the item added
773 * \param i_node_id id of the node in wich the item was added
774 * \param b_signal TRUE if the function must send a signal
777 void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
778 int i_node_id, bool b_signal )
780 playlist_private_t *p_sys = pl_priv(p_playlist);
783 p_sys->b_reset_currently_playing = true;
785 vlc_cond_signal( &p_sys->signal );
788 add.i_item = i_item_id;
789 add.i_node = i_node_id;
792 val.p_address = &add;
794 var_Set( p_playlist, "playlist-item-append", val );
797 /***************************************************************************
798 * The following functions are local
799 ***************************************************************************/
801 /* Enqueue an item for preparsing, and play it, if needed */
802 static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
803 playlist_item_t *p_item_cat,
804 playlist_item_t *p_item_one )
807 if( (i_mode & PLAYLIST_GO ) )
809 playlist_item_t *p_parent = p_item_one;
810 playlist_item_t *p_toplay = NULL;
813 if( p_parent == p_playlist->p_root_category )
815 p_toplay = p_item_cat; break;
817 else if( p_parent == p_playlist->p_root_onelevel )
819 p_toplay = p_item_one; break;
821 p_parent = p_parent->p_parent;
824 pl_priv(p_playlist)->request.b_request = true;
825 pl_priv(p_playlist)->request.i_skip = 0;
826 pl_priv(p_playlist)->request.p_item = p_toplay;
827 if( pl_priv(p_playlist)->p_input )
828 input_Stop( pl_priv(p_playlist)->p_input, true );
829 pl_priv(p_playlist)->request.i_status = PLAYLIST_RUNNING;
830 vlc_cond_signal( &pl_priv(p_playlist)->signal );
832 /* Preparse if PREPARSE or SPREPARSE & not enough meta */
833 char *psz_artist = input_item_GetArtist( p_item_cat->p_input );
834 char *psz_album = input_item_GetAlbum( p_item_cat->p_input );
835 if( pl_priv(p_playlist)->b_auto_preparse &&
836 (i_mode & PLAYLIST_PREPARSE ||
837 ( i_mode & PLAYLIST_SPREPARSE &&
838 ( EMPTY_STR( psz_artist ) || ( EMPTY_STR( psz_album ) ) )
840 playlist_PreparseEnqueue( p_playlist, p_item_cat->p_input, pl_Locked );
841 /* If we already have it, signal it */
842 else if( !EMPTY_STR( psz_artist ) && !EMPTY_STR( psz_album ) )
843 input_item_SetPreparsed( p_item_cat->p_input, true );
848 /* Add the playlist item to the requested node and fire a notification */
849 static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
850 playlist_item_t *p_node, int i_mode, int i_pos )
853 ARRAY_APPEND(p_playlist->items, p_item);
854 ARRAY_APPEND(p_playlist->all_items, p_item);
856 if( i_pos == PLAYLIST_END )
857 playlist_NodeAppend( p_playlist, p_item, p_node );
859 playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
861 if( !pl_priv(p_playlist)->b_doing_ml )
862 playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id,
863 !( i_mode & PLAYLIST_NO_REBUILD ) );
866 /* Actually convert an item to a node */
867 static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
870 if( p_item->i_children == -1 )
871 p_item->i_children = 0;
873 /* Remove it from the array of available items */
874 ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_item->i_id, i );
876 ARRAY_REMOVE( p_playlist->items, i );
879 /* Do the actual removal */
880 static int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
884 int i_id = p_item->i_id;
887 if( p_item->i_children > -1 )
889 return playlist_NodeDelete( p_playlist, p_item, true, false );
891 pl_priv(p_playlist)->b_reset_currently_playing = true;
892 var_SetInteger( p_playlist, "playlist-item-deleted", i_id );
894 /* Remove the item from the bank */
895 ARRAY_BSEARCH( p_playlist->all_items,->i_id, int, i_id, i );
897 ARRAY_REMOVE( p_playlist->all_items, i );
899 ARRAY_BSEARCH( p_playlist->items,->i_id, int, i_id, i );
901 ARRAY_REMOVE( p_playlist->items, i );
903 /* Check if it is the current item */
904 if( get_current_status_item( p_playlist ) == p_item )
906 /* Stop it if we have to */
909 playlist_Control( p_playlist, PLAYLIST_STOP, pl_Locked );
910 msg_Info( p_playlist, "stopping playback" );
912 /* In any case, this item can't be the next one to be played ! */
913 set_current_status_item( p_playlist, NULL );
916 ARRAY_BSEARCH( p_playlist->current,->i_id, int, i_id, i );
918 ARRAY_REMOVE( p_playlist->current, i );
920 PL_DEBUG( "deleting item `%s'", p_item->p_input->psz_name );
922 /* Remove the item from its parent */
923 playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
925 playlist_ItemRelease( p_item );