]> git.sesse.net Git - vlc/blobdiff - src/playlist/item.c
Use var_Inherit* instead of var_CreateGet*.
[vlc] / src / playlist / item.c
index 0c3ad26b868a14c6c11bd71b04fcaef90bb077c0..ffb5464d3703445511943df62779bcb9905da444 100644 (file)
@@ -1,10 +1,11 @@
 /*****************************************************************************
- * item.c : Playlist item functions
+ * item.c : Playlist item creation/deletion/add/removal functions
  *****************************************************************************
- * Copyright (C) 1999-2004 VideoLAN
+ * Copyright (C) 1999-2007 the VideoLAN team
  * $Id$
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
+ *          ClĂ©ment Stenac <zorglub@videolan.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
-#include <stdlib.h>                                      /* free(), strtol() */
-#include <stdio.h>                                              /* sprintf() */
-#include <string.h>                                            /* strerror() */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <assert.h>
+#include <vlc_playlist.h>
+#include <vlc_rand.h>
+#include "playlist_internal.h"
+
+static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
+                     playlist_item_t *p_node, int i_mode, int i_pos );
+static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
+                           playlist_item_t * );
+static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item );
+
+static int RecursiveAddIntoParent (
+                playlist_t *p_playlist, playlist_item_t *p_parent,
+                input_item_node_t *p_node, int i_pos, bool b_flat,
+                playlist_item_t **pp_first_leaf );
+static int RecursiveInsertCopy (
+                playlist_t *p_playlist, playlist_item_t *p_item,
+                playlist_item_t *p_parent, int i_pos, bool b_flat );
 
-#include <vlc/vlc.h>
-#include <vlc/input.h>
+/*****************************************************************************
+ * An input item has gained subitems (Event Callback)
+ *****************************************************************************/
 
-#include "vlc_input.h"
-#include "vlc_playlist.h"
+static void input_item_add_subitem_tree ( const vlc_event_t * p_event,
+                                          void * user_data )
+{
+    input_item_t *p_input = p_event->p_obj;
+    playlist_t *p_playlist = (( playlist_item_t* ) user_data)->p_playlist;
+    input_item_node_t *p_new_root = p_event->u.input_item_subitem_tree_added.p_root;
 
-static void GuessType( input_item_t *p_item);
+    PL_LOCK;
 
-/**
- * Create a new item, without adding it to the playlist
- *
- * \param p_obj a vlc object (anyone will do)
- * \param psz_uri the mrl of the item
- * \param psz_name a text giving a name or description of the item
- * \return the new item or NULL on failure
- */
+    playlist_item_t *p_item =
+        playlist_ItemGetByInput( p_playlist, p_input );
+
+    assert( p_item != NULL );
+
+    bool b_current = get_current_status_item( p_playlist ) == p_item;
+    bool b_autostart = var_CreateGetBool( p_playlist, "playlist-autostart" );
+    bool b_stop = p_item->i_flags & PLAYLIST_SUBITEM_STOP_FLAG;
+    bool b_flat = false;
 
-playlist_item_t * __playlist_ItemNew( vlc_object_t *p_obj,
-                                      const char *psz_uri,
-                                      const char *psz_name )
+    p_item->i_flags &= ~PLAYLIST_SUBITEM_STOP_FLAG;
+
+    /* We will have to flatten the tree out if we are in "the playlist" node and
+    the user setting demands flat playlist */
+
+    if( !pl_priv(p_playlist)->b_tree ) {
+        playlist_item_t *p_up = p_item;
+        while( p_up->p_parent )
+        {
+            if( p_up->p_parent == p_playlist->p_playing )
+            {
+                b_flat = true;
+                break;
+            }
+            p_up = p_up->p_parent;
+        }
+    }
+
+    int pos = 0;
+
+    /* If we have to flatten out, then take the item's position in the parent as
+    insertion point and delete the item */
+
+    if( b_flat )
+    {
+        playlist_item_t *p_parent = p_item->p_parent;
+        assert( p_parent != NULL );
+
+        int i;
+        for( i = 0; i < p_parent->i_children; i++ )
+        {
+            if( p_parent->pp_children[i] == p_item )
+            {
+                pos = i;
+                break;
+            }
+        }
+        assert( i < p_parent->i_children );
+
+        playlist_DeleteItem( p_playlist, p_item, true );
+
+        p_item = p_parent;
+    }
+    else
+    {
+        pos = p_item->i_children >= 0 ? p_item->i_children : 0;
+    }
+
+    /* At this point:
+    "p_item" is the node where sub-items should be inserted,
+    "pos" is the insertion position in that node */
+
+    int last_pos = playlist_InsertInputItemTree( p_playlist,
+                                                 p_item,
+                                                 p_new_root,
+                                                 pos,
+                                                 b_flat );
+
+    if( !b_flat ) var_SetAddress( p_playlist, "leaf-to-parent", p_input );
+
+    //control playback only if it was the current playing item that got subitems
+    if( b_current )
+    {
+        if( last_pos == pos || ( b_stop && !b_flat ) || !b_autostart )
+        {
+            /* We stop, either because no sub-item was actually created, or some
+            flags/settings want us to do so at this point */
+            PL_UNLOCK;
+            playlist_Stop( p_playlist );
+            return;
+        }
+        else
+        {
+            /* Continue to play, either random or the first new item */
+            playlist_item_t *p_play_item;
+
+            if( var_GetBool( p_playlist, "random" ) )
+            {
+                unsigned rand_pos =
+                    ((unsigned)vlc_mrand48()) % (last_pos - pos);
+                rand_pos += pos;
+                p_play_item = p_item->pp_children[rand_pos];
+            }
+            else
+            {
+                p_play_item = p_item->pp_children[pos];
+                /* NOTE: this is a work around the general bug:
+                if node-to-be-played contains sub-nodes, then second instead
+                of first leaf starts playing (only in case the leafs have just
+                been instered and playlist has not yet been rebuilt.)
+                */
+                while( p_play_item->i_children > 0 )
+                    p_play_item = p_play_item->pp_children[0];
+            }
+
+            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
+                                  pl_Locked,
+                                  get_current_status_node( p_playlist ),
+                                  p_play_item );
+        }
+    }
+
+    PL_UNLOCK;
+}
+/*****************************************************************************
+ * An input item's meta or duration has changed (Event Callback)
+ *****************************************************************************/
+static void input_item_changed( const vlc_event_t * p_event,
+                                void * user_data )
 {
-    return playlist_ItemNewWithType( p_obj, psz_uri,
-                                     psz_name, ITEM_TYPE_UNKNOWN );
+    playlist_item_t *p_item = user_data;
+    VLC_UNUSED( p_event );
+    var_SetAddress( p_item->p_playlist, "item-change", p_item->p_input );
 }
 
-playlist_item_t * playlist_ItemNewWithType( vlc_object_t *p_obj,
-                                            const char *psz_uri,
-                                            const char *psz_name,
-                                            int i_type )
+/*****************************************************************************
+ * Listen to vlc_InputItemAddSubItem event
+ *****************************************************************************/
+static void install_input_item_observer( playlist_item_t * p_item )
 {
-    playlist_item_t * p_item;
-
-    if( psz_uri == NULL) return NULL;
-
-    p_item = malloc( sizeof( playlist_item_t ) );
-    if( p_item == NULL ) return NULL;
+    vlc_event_manager_t * p_em = &p_item->p_input->event_manager;
+    vlc_event_attach( p_em, vlc_InputItemSubItemTreeAdded,
+                      input_item_add_subitem_tree, p_item );
+    vlc_event_attach( p_em, vlc_InputItemDurationChanged,
+                      input_item_changed, p_item );
+    vlc_event_attach( p_em, vlc_InputItemMetaChanged,
+                      input_item_changed, p_item );
+    vlc_event_attach( p_em, vlc_InputItemNameChanged,
+                      input_item_changed, p_item );
+    vlc_event_attach( p_em, vlc_InputItemInfoChanged,
+                      input_item_changed, p_item );
+    vlc_event_attach( p_em, vlc_InputItemErrorWhenReadingChanged,
+                      input_item_changed, p_item );
+}
 
-    memset( p_item, 0, sizeof( playlist_item_t ) );
+static void uninstall_input_item_observer( playlist_item_t * p_item )
+{
+    vlc_event_manager_t * p_em = &p_item->p_input->event_manager;
+    vlc_event_detach( p_em, vlc_InputItemSubItemTreeAdded,
+                      input_item_add_subitem_tree, p_item );
+    vlc_event_detach( p_em, vlc_InputItemMetaChanged,
+                      input_item_changed, p_item );
+    vlc_event_detach( p_em, vlc_InputItemDurationChanged,
+                      input_item_changed, p_item );
+    vlc_event_detach( p_em, vlc_InputItemNameChanged,
+                      input_item_changed, p_item );
+    vlc_event_detach( p_em, vlc_InputItemInfoChanged,
+                      input_item_changed, p_item );
+    vlc_event_detach( p_em, vlc_InputItemErrorWhenReadingChanged,
+                      input_item_changed, p_item );
+}
 
-    p_item->input.psz_uri = strdup( psz_uri );
+/*****************************************************************************
+ * Playlist item creation
+ *****************************************************************************/
+playlist_item_t *playlist_ItemNewFromInput( playlist_t *p_playlist,
+                                              input_item_t *p_input )
+{
+    playlist_item_t* p_item = malloc( sizeof( playlist_item_t ) );
+    if( !p_item )
+        return NULL;
 
-    if( psz_name != NULL ) p_item->input.psz_name = strdup( psz_name );
-    else p_item->input.psz_name = strdup ( psz_uri );
+    assert( p_input );
 
-    p_item->input.i_type = i_type;
+    p_item->p_input = p_input;
+    vlc_gc_incref( p_item->p_input );
 
-    p_item->b_enabled = VLC_TRUE;
-    p_item->i_nb_played = 0;
+    p_item->i_id = ++pl_priv(p_playlist)->i_last_playlist_id;
 
+    p_item->p_parent = NULL;
     p_item->i_children = -1;
     p_item->pp_children = NULL;
-
     p_item->i_flags = 0;
-    p_item->i_flags |= PLAYLIST_SKIP_FLAG;
+    p_item->p_playlist = p_playlist;
 
-    p_item->input.i_duration = -1;
-    p_item->input.ppsz_options = NULL;
-    p_item->input.i_options = 0;
+    install_input_item_observer( p_item );
 
-    vlc_mutex_init( p_obj, &p_item->input.lock );
+    return p_item;
+}
 
-    if( p_item->input.i_type == ITEM_TYPE_UNKNOWN )
-        GuessType( &p_item->input );
+/***************************************************************************
+ * Playlist item destruction
+ ***************************************************************************/
 
-    return p_item;
+/**
+ * Release an item
+ *
+ * \param p_item item to delete
+ * \return VLC_SUCCESS
+*/
+int playlist_ItemRelease( playlist_item_t *p_item )
+{
+    /* For the assert */
+    playlist_t *p_playlist = p_item->p_playlist;
+    PL_ASSERT_LOCKED;
+
+    /* Surprise, we can't actually do more because we
+     * don't do refcounting, or eauivalent.
+     * Because item are not only accessed by their id
+     * using playlist_item outside the PL_LOCK isn't safe.
+     * Most of the modules does that.
+     *
+     * Who wants to add proper memory management? */
+    uninstall_input_item_observer( p_item );
+    ARRAY_APPEND( pl_priv(p_playlist)->items_to_delete, p_item);
+    return VLC_SUCCESS;
+}
+
+/**
+ * Delete input item
+ *
+ * Remove an input item when it appears from a root playlist item
+ * \param p_playlist playlist object
+ * \param p_input the input to delete
+ * \param p_root root playlist item
+ * \param b_do_stop must stop or not the playlist
+ * \return VLC_SUCCESS or VLC_EGENERIC
+*/
+static int DeleteFromInput( playlist_t *p_playlist, input_item_t *p_input,
+                            playlist_item_t *p_root, bool b_do_stop )
+{
+    PL_ASSERT_LOCKED;
+    playlist_item_t *p_item = playlist_ItemFindFromInputAndRoot(
+        p_playlist, p_input, p_root, false );
+    if( !p_item ) return VLC_EGENERIC;
+    return playlist_DeleteItem( p_playlist, p_item, b_do_stop );
+}
+
+/**
+ * Delete input item
+ *
+ * Remove an input item when it appears from a root playlist item
+ * \param p_playlist playlist object
+ * \param p_input the input to delete
+ * \param p_root root playlist item
+ * \param b_locked TRUE if the playlist is locked
+ * \return VLC_SUCCESS or VLC_EGENERIC
+ */
+int playlist_DeleteFromInputInParent( playlist_t *p_playlist,
+                                      input_item_t *p_item,
+                                      playlist_item_t *p_root, bool b_locked )
+{
+    int i_ret;
+    PL_LOCK_IF( !b_locked );
+    i_ret = DeleteFromInput( p_playlist, p_item, p_root, true );
+    PL_UNLOCK_IF( !b_locked );
+    return i_ret;
+}
+
+/**
+ * Delete from input
+ *
+ * Search anywhere in playlist for an an input item and delete it
+ * \param p_playlist playlist object
+ * \param p_input the input to delete
+ * \param b_locked TRUE if the playlist is locked
+ * \return VLC_SUCCESS or VLC_ENOITEM
+ */
+int playlist_DeleteFromInput( playlist_t *p_playlist, input_item_t *p_input,
+                              bool b_locked )
+{
+    int i_ret;
+    PL_LOCK_IF( !b_locked );
+    i_ret = DeleteFromInput( p_playlist, p_input,
+                             p_playlist->p_root, true );
+    PL_UNLOCK_IF( !b_locked );
+    return ( i_ret == VLC_SUCCESS ? VLC_SUCCESS : VLC_ENOITEM );
 }
 
 /**
- * Deletes a playlist item
+ * Clear the playlist
  *
- * \param p_item the item to delete
+ * \param p_playlist playlist object
+ * \param b_locked TRUE if the playlist is locked
  * \return nothing
  */
-int playlist_ItemDelete( playlist_item_t *p_item )
+void playlist_Clear( playlist_t * p_playlist, bool b_locked )
 {
-    vlc_mutex_lock( &p_item->input.lock );
+    PL_LOCK_IF( !b_locked );
+    playlist_NodeEmpty( p_playlist, p_playlist->p_playing, true );
+    PL_UNLOCK_IF( !b_locked );
+}
 
-    if( p_item->input.psz_name ) free( p_item->input.psz_name );
-    if( p_item->input.psz_uri ) free( p_item->input.psz_uri );
+/**
+ * Delete playlist item
+ *
+ * Remove a playlist item from the playlist, given its id
+ * This function is to be used only by the playlist
+ * \param p_playlist playlist object
+ * \param i_id id of the item do delete
+ * \return VLC_SUCCESS or an error
+ */
+int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
+{
+    PL_ASSERT_LOCKED;
+    playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id );
+    if( !p_item ) return VLC_EGENERIC;
+    return playlist_DeleteItem( p_playlist, p_item, true );
+}
 
-    /* Free the info categories */
-    if( p_item->input.i_categories > 0 )
-    {
-        int i, j;
+/***************************************************************************
+ * Playlist item addition
+ ***************************************************************************/
+/**
+ * Playlist add
+ *
+ * Add an item to the playlist or the media library
+ * \param p_playlist the playlist to add into
+ * \param psz_uri the mrl to add to the playlist
+ * \param psz_name a text giving a name or description of this item
+ * \param i_mode the mode used when adding
+ * \param i_pos the position in the playlist where to add. If this is
+ *        PLAYLIST_END the item will be added at the end of the playlist
+ *        regardless of its size
+ * \param b_playlist TRUE for playlist, FALSE for media library
+ * \param b_locked TRUE if the playlist is locked
+ * \return VLC_SUCCESS or a VLC error code
+ */
+int playlist_Add( playlist_t *p_playlist, const char *psz_uri,
+                  const char *psz_name, int i_mode, int i_pos,
+                  bool b_playlist, bool b_locked )
+{
+    return playlist_AddExt( p_playlist, psz_uri, psz_name,
+                            i_mode, i_pos, -1, 0, NULL, 0, b_playlist, b_locked );
+}
 
-        for( i = 0; i < p_item->input.i_categories; i++ )
-        {
-            info_category_t *p_category = p_item->input.pp_categories[i];
+/**
+ * Add a MRL into the playlist or the media library, duration and options given
+ *
+ * \param p_playlist the playlist to add into
+ * \param psz_uri the mrl to add to the playlist
+ * \param psz_name a text giving a name or description of this item
+ * \param i_mode the mode used when adding
+ * \param i_pos the position in the playlist where to add. If this is
+ *        PLAYLIST_END the item will be added at the end of the playlist
+ *        regardless of its size
+ * \param i_duration length of the item in milliseconds.
+ * \param i_options the number of options
+ * \param ppsz_options an array of options
+ * \param i_option_flags options flags
+ * \param b_playlist TRUE for playlist, FALSE for media library
+ * \param b_locked TRUE if the playlist is locked
+ * \return VLC_SUCCESS or a VLC error code
+*/
+int playlist_AddExt( playlist_t *p_playlist, const char * psz_uri,
+                     const char *psz_name, int i_mode, int i_pos,
+                     mtime_t i_duration,
+                     int i_options, const char *const *ppsz_options,
+                     unsigned i_option_flags,
+                     bool b_playlist, bool b_locked )
+{
+    int i_ret;
+    input_item_t *p_input;
+
+    p_input = input_item_NewExt( p_playlist, psz_uri, psz_name,
+                                 i_options, ppsz_options, i_option_flags,
+                                 i_duration );
+    if( p_input == NULL )
+        return VLC_ENOMEM;
+    i_ret = playlist_AddInput( p_playlist, p_input, i_mode, i_pos, b_playlist,
+                               b_locked );
+    vlc_gc_decref( p_input );
+    return i_ret;
+}
 
-            for( j = 0; j < p_category->i_infos; j++)
-            {
-                if( p_category->pp_infos[j]->psz_name )
-                {
-                    free( p_category->pp_infos[j]->psz_name);
-                }
-                if( p_category->pp_infos[j]->psz_value )
-                {
-                    free( p_category->pp_infos[j]->psz_value );
-                }
-                free( p_category->pp_infos[j] );
-            }
+/**
+ * Add an input item to the playlist node
+ *
+ * \param p_playlist the playlist to add into
+ * \param p_input the input item to add
+ * \param i_mode the mode used when adding
+ * \param i_pos the position in the playlist where to add. If this is
+ *        PLAYLIST_END the item will be added at the end of the playlist
+ *        regardless of its size
+ * \param b_playlist TRUE for playlist, FALSE for media library
+ * \param b_locked TRUE if the playlist is locked
+ * \return VLC_SUCCESS or VLC_ENOMEM or VLC_EGENERIC
+*/
+int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
+                       int i_mode, int i_pos, bool b_playlist,
+                       bool b_locked )
+{
+    playlist_item_t *p_item;
+    if( p_playlist->b_die ) return VLC_EGENERIC;
+    if( !pl_priv(p_playlist)->b_doing_ml )
+        PL_DEBUG( "adding item `%s' ( %s )", p_input->psz_name,
+                                             p_input->psz_uri );
 
-            if( p_category->i_infos ) free( p_category->pp_infos );
-            if( p_category->psz_name ) free( p_category->psz_name );
-            free( p_category );
-        }
+    PL_LOCK_IF( !b_locked );
 
-        free( p_item->input.pp_categories );
-    }
+    p_item = playlist_ItemNewFromInput( p_playlist, p_input );
+    if( p_item == NULL ) return VLC_ENOMEM;
+    AddItem( p_playlist, p_item,
+             b_playlist ? p_playlist->p_playing :
+                          p_playlist->p_media_library , i_mode, i_pos );
 
-    for( ; p_item->input.i_options > 0; p_item->input.i_options-- )
-    {
-        free( p_item->input.ppsz_options[p_item->input.i_options - 1] );
-        if( p_item->input.i_options == 1 ) free( p_item->input.ppsz_options );
-    }
+    GoAndPreparse( p_playlist, i_mode, p_item );
 
-    for( ; p_item->i_parents > 0 ; )
-    {
-        struct item_parent_t *p_parent =  p_item->pp_parents[0];
-        REMOVE_ELEM( p_item->pp_parents, p_item->i_parents, 0 );
-        free( p_parent );
-    }
+    PL_UNLOCK_IF( !b_locked );
+    return VLC_SUCCESS;
+}
+
+/**
+ * Add an input item to a given node
+ *
+ * \param p_playlist the playlist to add into
+ * \param p_input the input item to add
+ * \param p_parent the parent item to add into
+ * \param i_mode the mode used when addin
+ * \param i_pos the position in the playlist where to add. If this is
+ *        PLAYLIST_END the item will be added at the end of the playlist
+ *        regardless of its size
+ * \param b_locked TRUE if the playlist is locked
+ * \return the new playlist item
+ */
+playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
+                                         input_item_t *p_input,
+                                         playlist_item_t *p_parent,
+                                         int i_mode, int i_pos,
+                                         bool b_locked )
+{
+    playlist_item_t *p_item;
+    assert( p_input );
+    assert( p_parent && p_parent->i_children != -1 );
 
-    vlc_mutex_unlock( &p_item->input.lock );
-    vlc_mutex_destroy( &p_item->input.lock );
+    if( p_playlist->b_die )
+        return NULL;
+    PL_LOCK_IF( !b_locked );
 
-    free( p_item );
+    p_item = playlist_ItemNewFromInput( p_playlist, p_input );
+    if( p_item == NULL ) return NULL;
+    AddItem( p_playlist, p_item, p_parent, i_mode, i_pos );
 
-    return VLC_SUCCESS;
+    GoAndPreparse( p_playlist, i_mode, p_item );
+
+    PL_UNLOCK_IF( !b_locked );
+
+    return p_item;
 }
 
 /**
- *  Add a option to one item ( no need for p_playlist )
+ * Copy an item (and all its children, if any) into another node
  *
- * \param p_item the item on which we want the info
- * \param psz_option the option
- * \return 0 on success
+ * \param p_playlist the playlist to operate on
+ * \param p_item the playlist item to copy
+ * \param p_parent the parent item to copy into
+ * \param i_pos the position in the parent item for the new copy;
+ *              if this is PLAYLIST_END, the copy is appended after all
+ *              parent's children
+ * \return the position in parent item just behind the last new item inserted
  */
-int playlist_ItemAddOption( playlist_item_t *p_item, const char *psz_option )
+int playlist_NodeAddCopy (
+    playlist_t *p_playlist, playlist_item_t *p_item,
+    playlist_item_t *p_parent, int i_pos )
 {
-    if( !psz_option ) return VLC_EGENERIC;
+    PL_ASSERT_LOCKED;
+    assert( p_parent != NULL && p_item != NULL );
+    assert( p_parent->i_children > -1 );
 
-    vlc_mutex_lock( &p_item->input.lock );
-    INSERT_ELEM( p_item->input.ppsz_options, p_item->input.i_options,
-                 p_item->input.i_options, strdup( psz_option ) );
-    vlc_mutex_unlock( &p_item->input.lock );
+    if( i_pos == PLAYLIST_END ) i_pos = p_parent->i_children;
 
-    return VLC_SUCCESS;
+    bool b_flat = false;
+
+    playlist_item_t *p_up = p_parent;
+    while( p_up )
+    {
+        if( p_up == p_playlist->p_playing )
+            if( !pl_priv(p_playlist)->b_tree ) b_flat = true;
+        if( p_up == p_item )
+            /* TODO: We don't support copying a node into itself (yet),
+            because we insert items as we copy. Instead, we should copy
+            all items first and then insert. */
+            return i_pos;
+        p_up = p_up->p_parent;
+    }
+
+    return RecursiveInsertCopy( p_playlist, p_item, p_parent, i_pos, b_flat );
 }
 
 /**
- * Add a parent to an item
+ * Insert a tree of input items into a given playlist node
  *
- * \param p_item the item
- * \param i_view the view in which the parent is
- * \param p_parent the parent to add
- * \return nothing
+ * \param p_playlist the playlist to insert into
+ * \param p_parent the receiving playlist node (can be an item)
+ * \param p_node the root of input item tree,
+          only it's contents will be inserted
+ * \param i_pos the position in the playlist where to insert. If this is
+ *        PLAYLIST_END the items will be added at the end of the playlist
+ *        regardless of its size
+ * \param b_flat TRUE if the new tree contents should be flattened into a list
+ * \return the first new leaf inserted (in playing order)
  */
-int playlist_ItemAddParent( playlist_item_t *p_item, int i_view,
-                            playlist_item_t *p_parent )
+int playlist_InsertInputItemTree (
+    playlist_t *p_playlist, playlist_item_t *p_parent,
+    input_item_node_t *p_node, int i_pos, bool b_flat )
 {
-   vlc_bool_t b_found = VLC_FALSE;
-   int i;
-
-   for( i= 0; i< p_item->i_parents ; i++ )
-   {
-       if( p_item->pp_parents[i]->i_view == i_view )
-
-       {
-           b_found = VLC_TRUE;
-           break;
-       }
-   }
-   if( b_found == VLC_FALSE )
-   {
-
-       struct item_parent_t *p_ip = (struct item_parent_t *)
-               malloc(sizeof(struct item_parent_t) );
-       p_ip->i_view = i_view;
-       p_ip->p_parent = p_parent;
-
-       INSERT_ELEM( p_item->pp_parents,
-                    p_item->i_parents, p_item->i_parents,
-                    p_ip );
-   }
-   return VLC_SUCCESS;
+  playlist_item_t *p_first_leaf = NULL;
+  int i = RecursiveAddIntoParent ( p_playlist, p_parent, p_node, i_pos, b_flat, &p_first_leaf );
+  return i;
 }
 
+
+/*****************************************************************************
+ * Playlist item misc operations
+ *****************************************************************************/
+
 /**
- * Copy all parents from parent to child
+ * Find an item within a root, given its input id.
+ *
+ * \param p_playlist the playlist object
+ * \param p_item the input item
+ * \param p_root root playlist item
+ * \param b_items_only TRUE if we want the item himself
+ * \return the first found item, or NULL if not found
  */
-int playlist_CopyParents( playlist_item_t *p_parent,
-                           playlist_item_t *p_child )
+playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
+                                                    input_item_t *p_item,
+                                                    playlist_item_t *p_root,
+                                                    bool b_items_only )
 {
-    int i=0;
-    for( i= 0 ; i< p_parent->i_parents; i ++ )
+    int i;
+    for( i = 0 ; i< p_root->i_children ; i++ )
     {
-        playlist_ItemAddParent( p_child,
-                                p_parent->pp_parents[i]->i_view,
-                                p_parent );
+        if( ( b_items_only ? p_root->pp_children[i]->i_children == -1 : 1 ) &&
+            p_root->pp_children[i]->p_input == p_item )
+        {
+            return p_root->pp_children[i];
+        }
+        else if( p_root->pp_children[i]->i_children >= 0 )
+        {
+            playlist_item_t *p_search =
+                 playlist_ItemFindFromInputAndRoot( p_playlist, p_item,
+                                                    p_root->pp_children[i],
+                                                    b_items_only );
+            if( p_search ) return p_search;
+        }
     }
-    return VLC_SUCCESS;
+    return NULL;
+}
+
+
+static int ItemIndex ( playlist_item_t *p_item )
+{
+    for( int i = 0; i < p_item->p_parent->i_children; i++ )
+        if( p_item->p_parent->pp_children[i] == p_item ) return i;
+    return -1;
 }
 
+/**
+ * Moves an item
+ *
+ * This function must be entered with the playlist lock
+ *
+ * \param p_playlist the playlist
+ * \param p_item the item to move
+ * \param p_node the new parent of the item
+ * \param i_newpos the new position under this new parent
+ * \return VLC_SUCCESS or an error
+ */
+int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
+                       playlist_item_t *p_node, int i_newpos )
+{
+    PL_ASSERT_LOCKED;
+
+    if( p_node->i_children == -1 ) return VLC_EGENERIC;
+
+    playlist_item_t *p_detach = p_item->p_parent;
+    int i_index = ItemIndex( p_item );
 
-/**********************************************************************
- * playlist_item_t structure accessors
- * These functions give access to the fields of the playlist_item_t
- * structure
- **********************************************************************/
+    REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, i_index );
 
+    if( p_detach == p_node && i_index < i_newpos )
+        i_newpos--;
+
+    INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
+    p_item->p_parent = p_node;
+
+    pl_priv( p_playlist )->b_reset_currently_playing = true;
+    vlc_cond_signal( &pl_priv( p_playlist )->signal );
+    return VLC_SUCCESS;
+}
 
 /**
- * Set the name of a playlist item
+ * Moves an array of items
  *
- * \param p_item the item
- * \param psz_name the new name
- * \return VLC_SUCCESS on success, VLC_EGENERIC on failure
+ * This function must be entered with the playlist lock
+ *
+ * \param p_playlist the playlist
+ * \param i_items the number of indexes to move
+ * \param pp_items the array of indexes to move
+ * \param p_node the target node
+ * \param i_newpos the target position under this node
+ * \return VLC_SUCCESS or an error
  */
-int playlist_ItemSetName( playlist_item_t *p_item, char *psz_name )
+int playlist_TreeMoveMany( playlist_t *p_playlist,
+                            int i_items, playlist_item_t **pp_items,
+                            playlist_item_t *p_node, int i_newpos )
 {
-    if( psz_name && p_item )
+    PL_ASSERT_LOCKED;
+
+    if ( p_node->i_children == -1 ) return VLC_EGENERIC;
+
+    int i;
+    for( i = 0; i < i_items; i++ )
+    {
+        playlist_item_t *p_item = pp_items[i];
+        int i_index = ItemIndex( p_item );
+        playlist_item_t *p_parent = p_item->p_parent;
+        REMOVE_ELEM( p_parent->pp_children, p_parent->i_children, i_index );
+        if ( p_parent == p_node && i_index < i_newpos ) i_newpos--;
+    }
+    for( i = i_items - 1; i >= 0; i-- )
     {
-        p_item->input.psz_name = strdup( psz_name );
-        return VLC_SUCCESS;
+        playlist_item_t *p_item = pp_items[i];
+        INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
+        p_item->p_parent = p_node;
     }
-    return VLC_EGENERIC;
+
+    pl_priv( p_playlist )->b_reset_currently_playing = true;
+    vlc_cond_signal( &pl_priv( p_playlist )->signal );
+    return VLC_SUCCESS;
 }
 
 /**
- * Set the duration of a playlist item
- * This function must be entered with the item lock
+ * Send a notification that an item has been added to a node
  *
- * \param p_item the item
- * \param i_duration the new duration
- * \return VLC_SUCCESS on success, VLC_EGENERIC on failure
+ * \param p_playlist the playlist object
+ * \param i_item_id id of the item added
+ * \param i_node_id id of the node in wich the item was added
+ * \param b_signal TRUE if the function must send a signal
+ * \return nothing
  */
-int playlist_ItemSetDuration( playlist_item_t *p_item, mtime_t i_duration )
+void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
+                             int i_node_id, bool b_signal )
 {
-    char psz_buffer[MSTRTIME_MAX_SIZE];
-    if( p_item )
-    {
-        p_item->input.i_duration = i_duration;
-        if( i_duration != -1 )
-        {
-            secstotimestr( psz_buffer, (int)(i_duration/1000000) );
-        }
-        else
-        {
-            memcpy( psz_buffer, "--:--:--", sizeof("--:--:--") );
-        }
-        vlc_input_item_AddInfo( &p_item->input, _("General") , _("Duration"),
-                                "%s", psz_buffer );
+    playlist_private_t *p_sys = pl_priv(p_playlist);
+    PL_ASSERT_LOCKED;
+
+    p_sys->b_reset_currently_playing = true;
+    if( b_signal )
+        vlc_cond_signal( &p_sys->signal );
+
+    playlist_add_t add;
+    add.i_item = i_item_id;
+    add.i_node = i_node_id;
 
-        return VLC_SUCCESS;
+    vlc_value_t val;
+    val.p_address = &add;
+
+    var_Set( p_playlist, "playlist-item-append", val );
+}
+
+/***************************************************************************
+ * The following functions are local
+ ***************************************************************************/
+
+/* Enqueue an item for preparsing, and play it, if needed */
+static void GoAndPreparse( playlist_t *p_playlist, int i_mode,
+                           playlist_item_t *p_item )
+{
+    PL_ASSERT_LOCKED;
+    if( (i_mode & PLAYLIST_GO ) )
+    {
+        pl_priv(p_playlist)->request.b_request = true;
+        pl_priv(p_playlist)->request.i_skip = 0;
+        pl_priv(p_playlist)->request.p_item = p_item;
+        if( pl_priv(p_playlist)->p_input )
+            input_Stop( pl_priv(p_playlist)->p_input, true );
+        pl_priv(p_playlist)->request.i_status = PLAYLIST_RUNNING;
+        vlc_cond_signal( &pl_priv(p_playlist)->signal );
     }
-    return VLC_EGENERIC;
+    /* Preparse if no artist/album info, and hasn't been preparsed allready
+       and if user has some preparsing option (auto-preparse variable)
+       enabled*/
+    char *psz_artist = input_item_GetArtist( p_item->p_input );
+    char *psz_album = input_item_GetAlbum( p_item->p_input );
+    if( pl_priv(p_playlist)->b_auto_preparse &&
+        input_item_IsPreparsed( p_item->p_input ) == false &&
+            ( EMPTY_STR( psz_artist ) || ( EMPTY_STR( psz_album ) ) )
+          )
+        playlist_PreparseEnqueue( p_playlist, p_item->p_input );
+    free( psz_artist );
+    free( psz_album );
+}
+
+/* Add the playlist item to the requested node and fire a notification */
+static void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
+                     playlist_item_t *p_node, int i_mode, int i_pos )
+{
+    PL_ASSERT_LOCKED;
+    ARRAY_APPEND(p_playlist->items, p_item);
+    ARRAY_APPEND(p_playlist->all_items, p_item);
+
+    if( i_pos == PLAYLIST_END )
+        playlist_NodeAppend( p_playlist, p_item, p_node );
+    else
+        playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
+
+    if( !pl_priv(p_playlist)->b_doing_ml )
+        playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id,
+                                 !( i_mode & PLAYLIST_NO_REBUILD ) );
 }
 
-/*
- * Guess the type of the item using the beginning of the mrl */
-static void GuessType( input_item_t *p_item)
+/* Actually convert an item to a node */
+static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
 {
     int i;
-    static struct { char *psz_search; int i_type; }  types_array[] =
-    {
-        { "http", ITEM_TYPE_NET },
-        { "dvd", ITEM_TYPE_DISC },
-        { "cdda", ITEM_TYPE_CDDA },
-        { "mms", ITEM_TYPE_NET },
-        { "rtsp", ITEM_TYPE_NET },
-        { "udp", ITEM_TYPE_NET },
-        { "rtp", ITEM_TYPE_NET },
-        { "vcd", ITEM_TYPE_DISC },
-        { "v4l", ITEM_TYPE_CARD },
-        { "dshow", ITEM_TYPE_CARD },
-        { "pvr", ITEM_TYPE_CARD },
-        { "dvb", ITEM_TYPE_CARD },
-        { "qpsk", ITEM_TYPE_CARD },
-        { "sdp", ITEM_TYPE_NET },
-        { NULL, 0 }
-    };
-
-    static struct { char *psz_search; int i_type; } exts_array[] =
+    if( p_item->i_children != -1 ) return;
+
+    p_item->i_children = 0;
+
+    input_item_t *p_input = p_item->p_input;
+    vlc_mutex_lock( &p_input->lock );
+    p_input->i_type = ITEM_TYPE_NODE;
+    vlc_mutex_unlock( &p_input->lock );
+
+    var_SetAddress( p_playlist, "item-change", p_item->p_input );
+
+    /* Remove it from the array of available items */
+    ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_item->i_id, i );
+    if( i != -1 )
+        ARRAY_REMOVE( p_playlist->items, i );
+}
+
+/* Do the actual removal */
+int playlist_DeleteItem( playlist_t * p_playlist, playlist_item_t *p_item,
+                        bool b_stop )
+{
+    assert( b_stop );
+    return playlist_NodeDelete( p_playlist, p_item, true, false );
+#if 0
+    int i;
+    int i_id = p_item->i_id;
+    PL_ASSERT_LOCKED;
+
+    if( p_item->i_children > -1 )
     {
-        { "mp3", ITEM_TYPE_AFILE },
-        { NULL, 0 }
-    };
+        return playlist_NodeDelete( p_playlist, p_item, true, false );
+    }
+
+    pl_priv(p_playlist)->b_reset_currently_playing = true;
+    var_SetInteger( p_playlist, "playlist-item-deleted", i_id );
 
-    for( i = 0; types_array[i].psz_search != NULL; i++ )
+    /* Remove the item from the bank */
+    ARRAY_BSEARCH( p_playlist->all_items,->i_id, int, i_id, i );
+    if( i != -1 )
+        ARRAY_REMOVE( p_playlist->all_items, i );
+
+    ARRAY_BSEARCH( p_playlist->items,->i_id, int, i_id, i );
+    if( i != -1 )
+        ARRAY_REMOVE( p_playlist->items, i );
+
+    /* Check if it is the current item */
+    if( get_current_status_item( p_playlist ) == p_item )
     {
-        if( !strncmp( p_item->psz_uri, types_array[i].psz_search,
-                      strlen( types_array[i].psz_search ) ) )
+        /* Stop it if we have to */
+        if( b_stop )
         {
-            p_item->i_type = types_array[i].i_type;
-            return;
+            playlist_Control( p_playlist, PLAYLIST_STOP, pl_Locked );
+            msg_Info( p_playlist, "stopping playback" );
         }
+        /* In any case, this item can't be the next one to be played ! */
+        set_current_status_item( p_playlist, NULL );
+    }
+
+    ARRAY_BSEARCH( p_playlist->current,->i_id, int, i_id, i );
+    if( i != -1 )
+        ARRAY_REMOVE( p_playlist->current, i );
+
+    PL_DEBUG( "deleting item `%s'", p_item->p_input->psz_name );
+
+    /* Remove the item from its parent */
+    playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
+
+    playlist_ItemRelease( p_item );
+
+    return VLC_SUCCESS;
+#endif
+}
+
+static int RecursiveAddIntoParent (
+    playlist_t *p_playlist, playlist_item_t *p_parent,
+    input_item_node_t *p_node, int i_pos, bool b_flat,
+    playlist_item_t **pp_first_leaf )
+{
+  *pp_first_leaf = NULL;
+
+  if( p_parent->i_children == -1 ) ChangeToNode( p_playlist, p_parent );
+
+  if( i_pos == PLAYLIST_END ) i_pos = p_parent->i_children;
+
+  for( int i = 0; i < p_node->i_children; i++ )
+  {
+      input_item_node_t *p_child_node = p_node->pp_children[i];
+
+      playlist_item_t *p_new_item = NULL;
+      bool b_children = p_child_node->i_children > 0;
+
+      //Create the playlist item represented by input node, if allowed.
+      if( !(b_flat && b_children) )
+      {
+          p_new_item = playlist_NodeAddInput( p_playlist,
+                                              p_child_node->p_item,
+                                              p_parent,
+                                              PLAYLIST_INSERT, i_pos,
+                                              pl_Locked );
+          if( !p_new_item ) return i_pos;
+
+          i_pos++;
+      }
+      //Recurse if any children
+      if( b_children )
+      {
+          //Substitute p_new_item for first child leaf
+          //(If flat, continue counting from current position)
+          int i_last_pos = RecursiveAddIntoParent(
+                                      p_playlist,
+                                      p_new_item ? p_new_item : p_parent,
+                                      p_child_node,
+                                      ( b_flat ? i_pos : 0 ),
+                                      b_flat,
+                                      &p_new_item );
+          //If flat, take position after recursion as current position
+          if( b_flat ) i_pos = i_last_pos;
+      }
+
+      assert( p_new_item != NULL );
+      if( i == 0 ) *pp_first_leaf = p_new_item;
+  }
+  return i_pos;
+}
+
+static int RecursiveInsertCopy (
+    playlist_t *p_playlist, playlist_item_t *p_item,
+    playlist_item_t *p_parent, int i_pos, bool b_flat )
+{
+    PL_ASSERT_LOCKED;
+    assert( p_parent != NULL && p_item != NULL );
+
+    if( p_item == p_parent ) return i_pos;
+
+    input_item_t *p_input = p_item->p_input;
+
+    if( !(p_item->i_children != -1 && b_flat) )
+    {
+        input_item_t *p_new_input = input_item_Copy( VLC_OBJECT(p_playlist),
+                                                     p_input );
+        if( !p_new_input ) return i_pos;
+
+        playlist_item_t *p_new_item = NULL;
+        if( p_item->i_children == -1 )
+            p_new_item = playlist_NodeAddInput( p_playlist, p_new_input,
+                                   p_parent, PLAYLIST_INSERT, i_pos,
+                                   pl_Locked );
+        else
+            p_new_item = playlist_NodeCreate( p_playlist, NULL,
+                                 p_parent, i_pos, 0, p_new_input );
+        vlc_gc_decref( p_new_input );
+        if( !p_new_item ) return i_pos;
+
+        i_pos++;
+
+        if( p_new_item->i_children != -1 )
+            p_parent = p_new_item;
     }
-    p_item->i_type = ITEM_TYPE_VFILE;
+
+    for( int i = 0; i < p_item->i_children; i++ )
+    {
+        if( b_flat )
+            i_pos = RecursiveInsertCopy( p_playlist, p_item->pp_children[i],
+                                         p_parent, i_pos, true );
+        else
+            RecursiveInsertCopy( p_playlist, p_item->pp_children[i],
+                                 p_parent, p_parent->i_children, false );
+    }
+
+    return i_pos;
 }